EP2378054A1 - Safety device for a construction machine - Google Patents

Safety device for a construction machine Download PDF

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Publication number
EP2378054A1
EP2378054A1 EP10004085A EP10004085A EP2378054A1 EP 2378054 A1 EP2378054 A1 EP 2378054A1 EP 10004085 A EP10004085 A EP 10004085A EP 10004085 A EP10004085 A EP 10004085A EP 2378054 A1 EP2378054 A1 EP 2378054A1
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EP
European Patent Office
Prior art keywords
unit
actuating unit
safety device
construction machine
adjustment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10004085A
Other languages
German (de)
French (fr)
Other versions
EP2378054B1 (en
Inventor
Martin Lanzl
Josef Haas
Markus Mayr
Manfred Angermeier
Thomas Elsner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bauer Maschinen GmbH
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Bauer Maschinen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42710507&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2378054(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to EP10004085.6A priority Critical patent/EP2378054B1/en
Priority to US13/072,460 priority patent/US8624752B2/en
Priority to RU2011111328/03A priority patent/RU2466241C1/en
Priority to JP2011085433A priority patent/JP5564462B2/en
Priority to BRPI1101739-2A priority patent/BRPI1101739A2/en
Priority to CN201110095046.2A priority patent/CN102220862B/en
Publication of EP2378054A1 publication Critical patent/EP2378054A1/en
Priority to HK12102941.2A priority patent/HK1162632A1/en
Publication of EP2378054B1 publication Critical patent/EP2378054B1/en
Application granted granted Critical
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/024—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation

Definitions

  • the invention relates to a safety device for a construction machine, which has a carrier unit and an actuating unit, which is adjustable relative to the carrier unit, according to claim 1.
  • tilting moments can occur on the construction machines.
  • Such tilting moments can be caused statically, for example by spreading loads, but also dynamically, for example by centrifugal forces.
  • the object of the invention is to provide a safety device for a construction machine, which ensures a particularly large working radius, a particularly large variety of applications and a particularly high performance of the construction machine with a particularly high operating reliability of the construction machine, in particular with regard to the tipping safety.
  • a safety device for a construction machine which has a carrier unit and an actuating unit which is adjustable relative to the carrier unit, with at least one pickup for detecting the current position of the actuating unit relative to the carrier unit Display device, with which the instantaneous position of the actuating unit relative to the carrier unit can be displayed, and an evaluation unit, by which at least one adjustment of the actuating unit is determined depending on at least one input value, in which the actuating unit is adjustable at a predetermined tilting safety of the construction machine, wherein the adjustment can be displayed together with the current position of the actuator unit by means of the display device.
  • the invention is based on the recognition that when adjusting a heavy operating unit relative to the carrier unit, which carries this operating unit, center of gravity shifts occur, which are accompanied by corresponding variable tilting moments.
  • an evaluation unit is provided according to the invention. This evaluation unit determines an adjustment range in which the actuating unit can be moved safely relative to its carrier unit.
  • the safe setting range can be distinguished, for example, by the fact that a predetermined tilting safety factor is maintained in its interior.
  • corresponding characteristic fields or tables can be stored in the evaluation unit, for example.
  • the determination of the adjustment range is carried out depending on at least one input value, that is, the evaluation unit can take into account in the overall consideration that the tendency to tilt is not only determined by the projection of the actuator, but is also influenced by other factors, such as the load on the Actuator or the dynamic state of the construction machine. Therefore, the at least one input value can be, for example, the diameter of a drill pipe held by the actuation unit, which again influences the tilting moment via the associated mass of the drill pipe.
  • a display device is provided with which the operator both the determined safe adjustment range and the actual momentary adjustment of the actuator unit are displayed together.
  • the operator can thus at a glance detect whether the operating unit is currently in the center of the safe adjustment range, which is an indication of high safety margins, or is working in the edge regions of the safe Verstell Schemes, in which an increase in the projection of the actuator may no longer be possible.
  • the operator can therefore also recognize early on whether additional measures to increase the anti-tipping are required, such as the limitation of dynamic forces. This allows a particularly efficient and safe operation.
  • the invention thus provides a visual processing of the current tilting security situation, which is particularly easy and intuitive to detect by an operator, and thus enables a particularly high operational reliability.
  • the construction machine may in particular be an earth boring device.
  • the operating unit may be, for example, the drill drive for the Erdbohrtechnikmaschine, and the carrier unit of the undercarriage of the drill.
  • the actuating unit can be pivoted about a vertical axis relative to the carrier unit, that at least one sensor is provided for detecting the instantaneous pivot position of the actuating unit relative to the carrier unit about the vertical axis, and that by means of the display device the adjustment range together with the instantaneous pivot position Actuator is displayed.
  • the actuating unit for example the drill drive, is adjustable about a vertical axis, which allows a particularly large working range of the construction machine.
  • the adjustment range in this case refers to the swivel angle about the vertical axis and the abovementioned instantaneous position of the actuating unit comprises at least the swivel position about the vertical axis.
  • the actuating unit is adjustable radially to the vertical axis, that at least one sensor for detecting the current radial position of the actuating unit is provided relative to the vertical axis, and that by means of the display device of the adjustment can be displayed together with the current radial position of the actuator unit.
  • the actuating unit is adjustable radially to a vertical axis and the safe adjustment range refers to this radial travel. Accordingly, the aforementioned instantaneous position includes at least the radial position of the actuator unit.
  • the safety device can be used in particular in a mobile construction machine, since the tilting safety often paid particular attention here must become. Accordingly, it is expedient that the carrier unit is a chassis.
  • the actuating unit has at least one civil engineering tool, in particular a drilling tool.
  • the actuation unit can be designed, for example, as a rotary drilling drive and / or vibratory drilling drive for such a civil engineering tool.
  • the display device is set up to display the adjustment range and the current position in a common position sketch.
  • Such a representation enables a particularly simple visual detection of the tilting security situation by the operator, since the instantaneous position is directly related to the limits of the safe adjustment range.
  • the position sketch is expediently displayed on a display.
  • the adjustment range may be displayed in a fixed manner by the display device when the position of the actuating unit changes.
  • the representation of the operating unit moves across the display while the adjusting range remains in the display. This creates a particularly calm picture.
  • the display device reproduces a stylized plan view of at least part of the construction machine and the adjustment range.
  • an intuitively particularly easy-to-understand situation representation is provided.
  • the display device is adapted to represent the adjustment range by a colored highlighting.
  • the adjustment can be displayed in particular by a color highlighting its surface in a display.
  • the permissible Display adjustment area in the display by a green area.
  • the current position of the actuating unit can be represented for example by a point and / or a crosshair in the display, which or which moves when changing the current position on the display above the adjustment shown. It is also possible to represent the current position of the actuator by a stylized representation of the actuator in the display, which reduces the amount of abstraction.
  • a further preferred embodiment of the invention resides in that a first adjustment range for unrestricted operation and a second adjustment range for limited operation of the construction machine can be determined by means of the evaluation unit.
  • the adjustment range for limited operation can be understood to mean a range in which additional operating parameters, such as the load of the actuating unit, must be limited in order to achieve the necessary overturning safety, whereas such restrictions of additional operating parameters are not required in the adjustment range for unrestricted operation.
  • the display device is adapted to represent the two adjustment ranges and the current position in a common position sketch, wherein the adjustment ranges are preferably displayed in different colors.
  • the adjustment range for the unrestricted operation can be displayed in green and the adjustment range for the restricted operation in yellow, which corresponds to the usual colors for different danger levels, and thus enables a particularly rapid situation detection by the operator.
  • the at least one adjustment range is determined by the evaluation unit as a function of at least one input value.
  • At least one input value can be sensed and, for example, be a value relating to the position of the construction machine or a value relating to forces acting on the construction machine. Alternatively or additionally, it can be provided that at least one input value can be input manually. Accordingly, it is advantageous that for influencing the adjustment by an operator operating parameters for operation of the construction machine at the evaluation unit can be predetermined. For example, it may be provided that the operator inputs operating parameters relating to the execution of the drilling tool. Or it can be provided that the operator specifies whether a drilling operation is performed, which is accompanied by the corresponding operating forces, or whether a pure handling operation is carried out for implementing the drilling tool.
  • the input values for the evaluation unit can be detected via transducers on the construction machine, entered manually and / or selected from a database.
  • the invention also relates to a construction machine with a safety device according to the invention.
  • FIG. 1 A construction machine with a safety device according to the invention is in Fig. 1 shown.
  • the construction machine 1 is designed as a mobile earth boring device. It has a crawler track running gear, which forms a carrier unit 10.
  • an upper carriage 11 of the construction machine is arranged on this support unit 10.
  • the uppercarriage 11 is provided pivotally about the vertical axis 3 on the carrier unit 10.
  • mast supports 12 are arranged, which carry a mast 14 and connect to the superstructure 11.
  • the mast supports 12 are horizontal extending axes pivotally provided. By pivoting the mast supports 12, the mast 14 can be radially adjusted with respect to the superstructure 11 and thus the carrier unit 10.
  • a carriage 15 is arranged vertically displaceable.
  • an actuating unit 18 is provided which forms a drill drive for a drill pipe 19.
  • the actuating unit 18 By pivoting the superstructure 11 relative to the carrier unit 10, the actuating unit 18 can also be pivoted relative to the carrier unit 10 about the vertical axis 3. By pivoting the mast supports 12, the actuating unit 18 can be pivoted relative to the vertical axis 3 radially to the carrier unit 10.
  • a sensor 29 for detecting the instantaneous pivot position of the upper carriage 11 and thus the actuating unit 18 relative to the carrier unit 10 is provided on the superstructure 11. Furthermore, a further sensor 28 for detecting the instantaneous radial position of the actuating unit 18 relative to the uppercarriage 11 and thus to the carrier unit 10 is arranged on the uppercarriage 11.
  • This second receiver 28 is designed as a rotational angle sensor for determining the pivot angle of the mast supports 12 about the horizontal pivot axis.
  • the safety device has an evaluation unit 22, which is in signal communication with the receivers 28 and 29 for detecting the instantaneous position of the actuation unit 18. Furthermore, the safety device has a display device 20 which is arranged in the operator's cab of the construction machine 1.
  • the evaluation unit 22 may also be in signal communication with further sensors on the construction machine 1, wherein as an example of such a further sensor in Fig. 1 a pick-up 31 for determining a tensile and / or compressive force in the vertical feed of the carriage 15 with respect to the mast 14 is shown.
  • position sketches are created and displayed, which visualize the tipping stability of the construction machine 1.
  • An example of such a location sketch 60 is in FIG Fig. 2 shown.
  • Such a position sketch 60 can be displayed, for example, on a display of the display device 20.
  • FIG. 2 It shows a stylized representation 61 of the construction machine 1 including a stylized representation 68 of the actuation unit 18.
  • the representation is shown with a delimited area 71, which represents a safe pivoting area.
  • This area 71 can be displayed in green, for example, in the display.
  • the operator recognizes that the stylized representation 68 of the actuator 18 is within the area 71, indicating to the operator that a tip-over operation is provided. If the stylized representation 68 were outside the area 71, this indicated a risk of tipping over.
  • FIG Fig. 3 Another example of a location sketch 60 is in FIG Fig. 3 shown.
  • two adjustment ranges are determined, namely a first adjustment range for unrestricted operation and a second adjustment range for limited operation.
  • additional constraints may be required, such as a limitation on the winch forces of a main winch, an auxiliary winch, and / or a feed winch.
  • the first adjustment range is represented in the position sketch 60 by the surface 71, the second adjustment range by the surface 72.
  • the surface 71 may be green, for example, and the surface 72 may be orange, for example.
  • the stylized representation 68 of the actuating unit 18 is located in the area of the area 71 or in the area of the area 72, the operator knows whether unlimited or restricted operation is possible.
  • the display device 20 In order to alert the operator to the achievement of the second, limited adjustment range, it may also be provided to output a corresponding indication window when the second range is reached by means of the display device 20, wherein an information window with the permissible tensile forces can also be superimposed.
  • the insertion can in particular be done on the same display, which also shows the position sketch 60.

Abstract

The safety device has a detector for detecting instantaneous position of an actuator unit (18) of a construction machine (1) relative to the carrier unit (10) of the construction machine. A display device (20) is provided, with which the instantaneous position of the actuator unit relative to the carrier unit is displayed. An evaluation unit (22) is provided through which an adjustable range of the actuator unit is ascertained depending on an input value. The adjustable range together with the instantaneous position of the actuator unit is displayed by the display device.

Description

Die Erfindung betrifft eine Sicherheitseinrichtung für eine Baumaschine, welche eine Trägereinheit und eine Betätigungseinheit aufweist, welche gegenüber der Trägereinheit verstellbar ist, gemäß Anspruch 1.The invention relates to a safety device for a construction machine, which has a carrier unit and an actuating unit, which is adjustable relative to the carrier unit, according to claim 1.

Beim Betrieb von Großbaumaschinen, wie beispielsweise Erdbohrgeräten, können an den Baumaschinen Kippmomente auftreten. Solche Kippmomente können statisch zum Beispiel durch ausladende Lasten, aber auch dynamisch zum Beispiel durch Fliehkräfte verursacht werden.When operating large construction machines, such as earth boring machines, tilting moments can occur on the construction machines. Such tilting moments can be caused statically, for example by spreading loads, but also dynamically, for example by centrifugal forces.

Um das Auftreten übermäßiger Kippmomente zu verhindern, ist es unter anderem bekannt, die Verstellwege ausladender Lasten zu begrenzen. Dies führt jedoch häufig auch zu einer Einschränkung des Betriebsbereiches der Baumaschine und somit zu einer Begrenzung der Einsatzmöglichkeiten der Baumaschine.In order to prevent the occurrence of excessive overturning moments, it is known, inter alia, to limit the displacement paths of cantilevered loads. However, this often leads to a restriction of the operating range of the construction machine and thus to a limitation of the application possibilities of the construction machine.

Aufgabe der Erfindung ist es, eine Sicherheitseinrichtung für eine Baumaschine anzugeben, die bei besonders hoher Betriebszuverlässigkeit der Baumaschine, insbesondere im Hinblick auf die Kippsicherheit, einen besonders großen Arbeitsradius, eine besonders große Einsatzvielfalt und eine besonders hohe Leistungsfähigkeit der Baumaschine gewährleistet. The object of the invention is to provide a safety device for a construction machine, which ensures a particularly large working radius, a particularly large variety of applications and a particularly high performance of the construction machine with a particularly high operating reliability of the construction machine, in particular with regard to the tipping safety.

Die Aufgabe wird durch eine Sicherheitseinrichtung mit den Merkmalen des Anspruchs 1 gelöst. Bevorzugte Ausführungsbeispiele sind in den abhängigen Ansprüchen angegeben.The object is achieved by a safety device having the features of claim 1. Preferred embodiments are given in the dependent claims.

Nach der Erfindung ist eine Sicherheitseinrichtung für eine Baumaschine vorgesehen, welche eine Trägereinheit und eine Betätigungseinheit aufweist, welche gegenüber der Trägereinheit verstellbar ist, mit mindestens einem Aufnehmer zum Erfassen der momentanen Lage der Betätigungseinheit relativ zur Trägereinheit, einer Anzeigeeinrichtung, mit welcher die momentane Lage der Betätigungseinheit relativ zur Trägereinheit anzeigbar ist, und einer Auswerteeinheit, durch welche abhängig von zumindest einem Eingabewert mindestens ein Verstellbereich der Betätigungseinheit ermittelbar ist, in welchem die Betätigungseinheit bei einer vorgegebenen Kippsicherheit der Baumaschine verstellbar ist, wobei der Verstellbereich gemeinsam mit der momentanen Lage der Betätigungseinheit mittels der Anzeigeeinrichtung anzeigbar ist.According to the invention, a safety device for a construction machine is provided, which has a carrier unit and an actuating unit which is adjustable relative to the carrier unit, with at least one pickup for detecting the current position of the actuating unit relative to the carrier unit Display device, with which the instantaneous position of the actuating unit relative to the carrier unit can be displayed, and an evaluation unit, by which at least one adjustment of the actuating unit is determined depending on at least one input value, in which the actuating unit is adjustable at a predetermined tilting safety of the construction machine, wherein the adjustment can be displayed together with the current position of the actuator unit by means of the display device.

Die Erfindung setzt an der Erkenntnis an, dass beim Verstellen einer schweren Betätigungseinheit relativ zu der Trägereinheit, welche diese Betätigungseinheit trägt, Schwerpunktsverschiebungen auftreten, die mit entsprechenden variablen Kippmomenten einhergehen. Um trotz dieser variablen Kippmomente einen kippsicheren Betrieb zu ermöglichen, ist erfindungsgemäß eine Auswerteeinheit vorgesehen. Diese Auswerteeinheit ermittelt einen Verstellbereich, in welchem die Betätigungseinheit gegenüber ihrer Trägereinheit sicher bewegt werden kann. Der sichere Stellbereich kann sich beispielsweise dadurch auszeichnen, dass in seinem Inneren ein vorgegebener Kippsicherheitsfaktor eingehalten wird. Zur Ermittlung des Verstellbereichs können in der Auswerteeinheit zum Beispiel entsprechende Kennlinienfelder oder Tabellen hinterlegt sein. Die Bestimmung des Verstellbereiches erfolgt dabei abhängig von zumindest einem Eingabewert, das heißt die Auswerteeinheit kann im Sinne einer Gesamtbetrachtung berücksichtigen, dass die Kippneigung nicht nur durch die Ausladung der Betätigungseinheit bestimmt ist, sondern auch durch weitere Faktoren beeinflusst wird, wie beispielsweise die Last an der Betätigungseinheit oder den dynamischen Zustand der Baumaschine. Daher kann es sich bei dem zumindest einen Eingabewert beispielsweise um den Durchmesser eines von der Betätigungseinheit gehaltenen Bohrrohres handeln, der über die damit einhergehende Masse des Bohrrohres wiederum das Kippmoment beeinflusst.The invention is based on the recognition that when adjusting a heavy operating unit relative to the carrier unit, which carries this operating unit, center of gravity shifts occur, which are accompanied by corresponding variable tilting moments. In order to enable a non-tilting operation despite these variable tilting moments, an evaluation unit is provided according to the invention. This evaluation unit determines an adjustment range in which the actuating unit can be moved safely relative to its carrier unit. The safe setting range can be distinguished, for example, by the fact that a predetermined tilting safety factor is maintained in its interior. For determining the adjustment range, corresponding characteristic fields or tables can be stored in the evaluation unit, for example. The determination of the adjustment range is carried out depending on at least one input value, that is, the evaluation unit can take into account in the overall consideration that the tendency to tilt is not only determined by the projection of the actuator, but is also influenced by other factors, such as the load on the Actuator or the dynamic state of the construction machine. Therefore, the at least one input value can be, for example, the diameter of a drill pipe held by the actuation unit, which again influences the tilting moment via the associated mass of the drill pipe.

Weiterhin ist erfindungsgemäß eine Anzeigeeinrichtung vorgesehen, mit welcher dem Bediener sowohl der ermittelte sichere Verstellbereich als auch die tatsächliche momentane Verstellposition der Betätigungseinheit zusammen dargestellt werden. Der Bediener kann somit auf einen Blick erfassen, ob sich die Betätigungseinheit aktuell im Zentrum des sicheren Verstellbereichs befindet, was einen Hinweis auf hohe Sicherheitsreserven darstellt, oder ob in den Randbereichen des sicheren Verstellbereichs gearbeitet wird, in denen eine Erhöhung der Ausladung der Betätigungseinheit unter Umständen nicht mehr möglich ist. Der Bediener kann somit auch frühzeitig erkennen, ob zusätzliche Maßnahmen zur Erhöhung der Kippsicherheit erforderlich werden, wie beispielsweise die Begrenzung dynamischer Kräfte. Hierdurch wird ein besonders effizienter und zugleich sicherer Betrieb ermöglicht. Die Erfindung stellt somit eine visuelle Aufbereitung der aktuellen Kippsicherheitssituation zur Verfügung, die von einem Bediener besonders einfach und intuitiv erfassbar ist, und somit eine besonders hohe Betriebszuverlässigkeit ermöglicht.Furthermore, according to the invention a display device is provided with which the operator both the determined safe adjustment range and the actual momentary adjustment of the actuator unit are displayed together. The operator can thus at a glance detect whether the operating unit is currently in the center of the safe adjustment range, which is an indication of high safety margins, or is working in the edge regions of the safe Verstellbereichs, in which an increase in the projection of the actuator may no longer be possible. The operator can therefore also recognize early on whether additional measures to increase the anti-tipping are required, such as the limitation of dynamic forces. This allows a particularly efficient and safe operation. The invention thus provides a visual processing of the current tilting security situation, which is particularly easy and intuitive to detect by an operator, and thus enables a particularly high operational reliability.

Bei der Baumaschine kann es sich insbesondere um ein Erdbohrgerät handeln. In diesem Falle kann die Betätigungseinheit beispielsweise der Bohrantrieb für das Erdbohrwerkzeug sein, und die Trägereinheit der Unterwagen des Bohrgeräts.The construction machine may in particular be an earth boring device. In this case, the operating unit may be, for example, the drill drive for the Erdbohrwerkzeug, and the carrier unit of the undercarriage of the drill.

Beispielsweise kann vorgesehen sein, dass die Betätigungseinheit relativ zur Trägereinheit um eine Hochachse verschwenkbar ist, dass mindestens ein Aufnehmer zum Erfassen der momentanen Schwenkposition der Betätigungseinheit relativ zur Trägereinheit um die Hochachse vorgesehen ist, und dass mittels der Anzeigeeinrichtung der Verstellbereich gemeinsam mit der momentanen Schwenkposition der Betätigungseinheit anzeigbar ist. Gemäß dieser Ausführungsform ist die Betätigungseinheit, beispielsweise der Bohrantrieb, um eine vertikal verlaufende Achse verstellbar, was einen besonders großen Arbeitsbereich der Baumaschine ermöglicht. Der Verstellbereich bezieht sich in diesem Fall auf den Schwenkwinkel um die Hochachse und die zuvor genannte momentane Lage der Betätigungseinheit umfasst zumindest die Schwenkposition um die Hochachse.For example, it can be provided that the actuating unit can be pivoted about a vertical axis relative to the carrier unit, that at least one sensor is provided for detecting the instantaneous pivot position of the actuating unit relative to the carrier unit about the vertical axis, and that by means of the display device the adjustment range together with the instantaneous pivot position Actuator is displayed. According to this embodiment, the actuating unit, for example the drill drive, is adjustable about a vertical axis, which allows a particularly large working range of the construction machine. The adjustment range in this case refers to the swivel angle about the vertical axis and the abovementioned instantaneous position of the actuating unit comprises at least the swivel position about the vertical axis.

Weiterhin ist es zweckmäßig, dass die Betätigungseinheit radial zur Hochachse verstellbar ist, dass mindestens ein Aufnehmer zum Erfassen der momentanen Radialposition der Betätigungseinheit relativ zur Hochachse vorgesehen ist, und dass mittels der Anzeigeeinrichtung der Verstellbereich gemeinsam mit der momentanen Radialposition der Betätigungseinheit anzeigbar ist. Gemäß dieser Ausführungsform ist die Betätigungseinheit radial zu einer Hochachse verstellbar und der sichere Verstellbereich bezieht sich auf diesen radialen Verfahrweg. Demgemäß beinhaltet die zuvor genannte momentane Lage zumindest die Radialposition der Betätigungseinheit.Furthermore, it is expedient that the actuating unit is adjustable radially to the vertical axis, that at least one sensor for detecting the current radial position of the actuating unit is provided relative to the vertical axis, and that by means of the display device of the adjustment can be displayed together with the current radial position of the actuator unit. According to this embodiment, the actuating unit is adjustable radially to a vertical axis and the safe adjustment range refers to this radial travel. Accordingly, the aforementioned instantaneous position includes at least the radial position of the actuator unit.

Die Sicherheitseinrichtung kann insbesondere bei einer mobilen Baumaschine zum Einsatz kommen, da hier oftmals der Kippsicherheit besondere Beachtung geschenkt werden muss. Demgemäß ist es zweckmäßig, dass die Trägereinheit ein Fahrgestell ist.The safety device can be used in particular in a mobile construction machine, since the tilting safety often paid particular attention here must become. Accordingly, it is expedient that the carrier unit is a chassis.

Insbesondere kann vorgesehen sein, dass die Betätigungseinheit zumindest ein Tiefbauwerkzeug, insbesondere ein Bohrwerkzeug, aufweist. Die Betätigungseinheit kann beispielsweise als Drehbohrantrieb und/oder Rüttelbohrantrieb für ein solches Tiefbauwerkzeug ausgebildet sein.In particular, it can be provided that the actuating unit has at least one civil engineering tool, in particular a drilling tool. The actuation unit can be designed, for example, as a rotary drilling drive and / or vibratory drilling drive for such a civil engineering tool.

Grundsätzlich wäre es möglich, den Verstellbereich und die momentane Lage der Betätigungseinheit auf demselben Display, aber beispielsweise nebeneinander darzustellen. Besonders vorteilhaft ist es jedoch, dass die Anzeigeeinrichtung dafür eingerichtet ist, den Verstellbereich sowie die momentane Lage in einer gemeinsamen Lageskizze darzustellen. Eine derartige Darstellung ermöglicht ein besonders einfaches visuelles Erfassen der Kippsicherheitssituation durch den Bediener, da die momentane Lage unmittelbar mit den Grenzen des sicheren Verstellbereichs in Bezug gesetzt wird. Die Lageskizze wird zweckmäßigerweise auf einem Display angezeigt.In principle, it would be possible to display the adjustment range and the current position of the actuation unit on the same display but, for example, side by side. It is particularly advantageous, however, that the display device is set up to display the adjustment range and the current position in a common position sketch. Such a representation enables a particularly simple visual detection of the tilting security situation by the operator, since the instantaneous position is directly related to the limits of the safe adjustment range. The position sketch is expediently displayed on a display.

Im Hinblick auf die Darstellung der Daten kann es weiterhin vorteilhaft sein, dass der Verstellbereich von der Anzeigeeinrichtung bei Änderung der Lage der Betätigungseinheit ortsfest dargestellt wird. Gemäß dieser Ausführungsform wandert bei einer Verstellung der Betätigungseinheit die Darstellung der Betätigungseinheit über das Display, während der Verstellbereich im Display stehen bleibt. Hierdurch wird ein besonders ruhiges Bild erzeugt. Es ist jedoch grundsätzlich auch möglich, bei Änderung der Lage der Betätigungseinheit die Darstellung der Betätigungseinheit ortsfest zu belassen und die Darstellung des Verstellbereiches zu verschieben. Hierdurch kann ein besonders einfach zu erfassendes Bild erhalten werden.With regard to the representation of the data, it may furthermore be advantageous for the adjustment range to be displayed in a fixed manner by the display device when the position of the actuating unit changes. According to this embodiment, when the operating unit is adjusted, the representation of the operating unit moves across the display while the adjusting range remains in the display. This creates a particularly calm picture. However, it is also possible in principle to leave the representation of the actuating unit stationary when the position of the actuating unit changes and to shift the representation of the adjustment range. As a result, a particularly easy-to-capture image can be obtained.

Besonders zweckmäßig ist es, dass die Anzeigeeinrichtung eine stilisierte Draufsicht zumindest eines Teils der Baumaschine sowie des Verstellbereichs wiedergibt. Hierdurch wird eine intuitiv besonders einfach zu erfassende Situationsdarstellung zur Verfügung gestellt.It is particularly expedient that the display device reproduces a stylized plan view of at least part of the construction machine and the adjustment range. As a result, an intuitively particularly easy-to-understand situation representation is provided.

Nach der Erfindung kann es bevorzugt sein, dass die Anzeigeeinrichtung dafür eingerichtet ist, den Verstellbereich durch eine farbliche Hervorhebung darzustellen. Der Verstellbereich kann insbesondere durch eine farbliche Hervorhebung seiner Fläche in einem Display angezeigt werden. Beispielsweise kann vorgesehen sein, den zulässigen Verstellbereich im Display durch eine grüne Fläche anzuzeigen. Alternativ oder zusätzlich ist es möglich, die Grenzen des Verstellbereichs im Display als Linien darzustellen. Die momentane Lage der Betätigungseinheit kann beispielsweise durch einen Punkt und/oder ein Fadenkreuz im Display dargestellt werden, welcher bzw. welches sich bei Veränderung der momentanen Lage auf dem Display über dem dargestellten Verstellbereich bewegt. Es ist auch möglich, die momentane Lage der Betätigungseinheit durch eine stilisierte Wiedergabe der Betätigungseinheit im Display darzustellen, was den Abstraktionsaufwand verringert.According to the invention, it may be preferred that the display device is adapted to represent the adjustment range by a colored highlighting. The adjustment can be displayed in particular by a color highlighting its surface in a display. For example, it may be provided that the permissible Display adjustment area in the display by a green area. Alternatively or additionally, it is possible to represent the limits of the adjustment range in the display as lines. The current position of the actuating unit can be represented for example by a point and / or a crosshair in the display, which or which moves when changing the current position on the display above the adjustment shown. It is also possible to represent the current position of the actuator by a stylized representation of the actuator in the display, which reduces the amount of abstraction.

Eine weitere bevorzugte Ausgestaltung der Erfindung liegt darin, dass mittels der Auswerteeinheit ein erster Verstellbereich für unbeschränkten Betrieb und ein zweiter Verstellbereich für beschränkten Betrieb der Baumaschine ermittelbar sind. Unter dem Verstellbereich für beschränkten Betrieb kann dabei ein Bereich verstanden werden, bei dem zum Erzielen der notwendigen Kippsicherheit zusätzliche Betriebsparameter, wie beispielsweise die Belastung der Betätigungseinheit, beschränkt werden müssen, wohingegen im Verstellbereich für unbeschränkten Betrieb solche Einschränkungen zusätzlicher Betriebsparameter nicht erforderlich sind. Durch das Bereitstellen mehrerer Verstellbereiche kann der Arbeitsradius der Baumaschine erhöht werden.A further preferred embodiment of the invention resides in that a first adjustment range for unrestricted operation and a second adjustment range for limited operation of the construction machine can be determined by means of the evaluation unit. The adjustment range for limited operation can be understood to mean a range in which additional operating parameters, such as the load of the actuating unit, must be limited in order to achieve the necessary overturning safety, whereas such restrictions of additional operating parameters are not required in the adjustment range for unrestricted operation. By providing a plurality of adjustment ranges, the working radius of the construction machine can be increased.

In diesem Zusammenhang ist es vorteilhaft, dass die Anzeigeeinrichtung dafür eingerichtet ist, die beiden Verstellbereiche sowie die momentane Lage in einer gemeinsamen Lageskizze darzustellen, wobei die Verstellbereiche vorzugsweise in unterschiedlichen Farben dargestellt werden. Insbesondere kann der Verstellbereich für den unbeschränkten Betrieb grün und der Verstellbereich für den beschränkten Betrieb gelb dargestellt werden, was den üblichen Farben für unterschiedliche Gefahrenstufen entspricht, und somit eine besonders rasche Situationserfassung durch den Bediener ermöglicht.In this context, it is advantageous that the display device is adapted to represent the two adjustment ranges and the current position in a common position sketch, wherein the adjustment ranges are preferably displayed in different colors. In particular, the adjustment range for the unrestricted operation can be displayed in green and the adjustment range for the restricted operation in yellow, which corresponds to the usual colors for different danger levels, and thus enables a particularly rapid situation detection by the operator.

Erfindungsgemäß ist vorgesehen, dass der mindestens eine Verstellbereich von der Auswerteeinheit abhängig von zumindest einem Eingabewert ermittelt wird. Zumindest ein Eingabewert kann dabei sensorisch erfasst werden und beispielsweise ein Wert betreffend die Position der Baumaschine oder ein Wert betreffend Kräfte, die an der Baumaschine wirken, sein. Alternativ oder zusätzlich kann vorgesehen sein, dass zumindest ein Eingabewert manuell eingebbar ist. Demgemäß ist es vorteilhaft, dass zur Beeinflussung des Verstellbereichs durch einen Bediener Betriebsparameter zum Betrieb der Baumaschine an der Auswerteeinheit vorgebbar sind. Beispielsweise kann vorgesehen sein, dass der Bediener Betriebsparameter betreffend die Ausführung des Bohrwerkzeuges eingibt. Oder es kann vorgesehen sein, dass der Bediener vorgibt, ob ein Bohrbetrieb durchgeführt wird, was mit den entsprechenden Betriebskräften einhergeht, oder ob ein reiner Handling-Betrieb zum Umsetzen des Bohrwerkzeuges durchgeführt wird.According to the invention, it is provided that the at least one adjustment range is determined by the evaluation unit as a function of at least one input value. At least one input value can be sensed and, for example, be a value relating to the position of the construction machine or a value relating to forces acting on the construction machine. Alternatively or additionally, it can be provided that at least one input value can be input manually. Accordingly, it is advantageous that for influencing the adjustment by an operator operating parameters for operation of the construction machine at the evaluation unit can be predetermined. For example, it may be provided that the operator inputs operating parameters relating to the execution of the drilling tool. Or it can be provided that the operator specifies whether a drilling operation is performed, which is accompanied by the corresponding operating forces, or whether a pure handling operation is carried out for implementing the drilling tool.

Insbesondere ist es erfindungsgemäß, dass die Eingabewerte für die Auswerteeinheit über Aufnehmer an der Baumaschine erfassbar, von Hand eingebbar und/oder aus einer Datenbank auswählbar sind.In particular, it is according to the invention that the input values for the evaluation unit can be detected via transducers on the construction machine, entered manually and / or selected from a database.

Die Erfindung betrifft auch eine Baumaschine mit einer erfindungsgemäßen Sicherheitseinrichtung.The invention also relates to a construction machine with a safety device according to the invention.

Die Erfindung wir nachfolgend anhand bevorzugter Ausführungsbeispiele näher erläutert, welche schematisch in den beiliegenden Figuren dargestellt sind. In den Figuren zeigen:

Fig. 1
eine Seitenansicht einer Baumaschine mit einer erfindungsgemäßen Sicherheitseinrichtung;
Fig. 2
eine mögliche Anzeigedarstellung einer erfindungsgemäßen Sicherheitseinrichtung gemäß einer ersten Ausführungsform; und
Fig. 3
eine Anzeigedarstellung gemäß einer zweiten Ausführungsform der Erfindung.
The invention will be explained in more detail below with reference to preferred embodiments, which are shown schematically in the accompanying figures. In the figures show:
Fig. 1
a side view of a construction machine with a safety device according to the invention;
Fig. 2
a possible display representation of a safety device according to the invention according to a first embodiment; and
Fig. 3
a display representation according to a second embodiment of the invention.

Eine Baumaschine mit einer erfindungsgemäßen Sicherheitseinrichtung ist in Fig. 1 dargestellt. Die Baumaschine 1 ist als mobiles Erdbohrgerät ausgebildet. Sie weist ein Raupenkettenfahrwerk auf, welches eine Trägereinheit 10 bildet. Auf dieser Trägereinheit 10 ist ein Oberwagen 11 der Baumaschine angeordnet. Der Oberwagen 11 ist um die Hochachse 3 schwenkbar an der Trägereinheit 10 vorgesehen. Am Oberwagen 11 wiederum sind Maststützen 12 angeordnet, welche einen Mast 14 tragen und mit dem Oberwagen 11 verbinden. Die Maststützen 12 sind dabei um horizontal verlaufende Achsen schwenkbar vorgesehen. Durch Verschwenken der Maststützen 12 kann der Mast 14 radial bezüglich dem Oberwagen 11 und somit der Trägereinheit 10 verstellt werden. Am Mast 14 wiederum ist ein Schlitten 15 vertikal verschiebbar angeordnet. An diesem Schlitten 15 ist eine Betätigungseinheit 18 vorgesehen, welche einen Bohrantrieb für ein Bohrgestänge 19 bildet.A construction machine with a safety device according to the invention is in Fig. 1 shown. The construction machine 1 is designed as a mobile earth boring device. It has a crawler track running gear, which forms a carrier unit 10. On this support unit 10, an upper carriage 11 of the construction machine is arranged. The uppercarriage 11 is provided pivotally about the vertical axis 3 on the carrier unit 10. On the superstructure 11 in turn mast supports 12 are arranged, which carry a mast 14 and connect to the superstructure 11. The mast supports 12 are horizontal extending axes pivotally provided. By pivoting the mast supports 12, the mast 14 can be radially adjusted with respect to the superstructure 11 and thus the carrier unit 10. On the mast 14, in turn, a carriage 15 is arranged vertically displaceable. On this carriage 15, an actuating unit 18 is provided which forms a drill drive for a drill pipe 19.

Durch Verschwenken des Oberwagens 11 relativ zur Trägereinheit 10 kann auch die Betätigungseinheit 18 gegenüber der Trägereinheit 10 um die Hochachse 3 verschwenkt werden. Durch Verschwenken der Maststützen 12 kann die Betätigungseinheit 18 bezogen auf die Hochachse 3 radial zur Trägereinheit 10 verschwenkt werden.By pivoting the superstructure 11 relative to the carrier unit 10, the actuating unit 18 can also be pivoted relative to the carrier unit 10 about the vertical axis 3. By pivoting the mast supports 12, the actuating unit 18 can be pivoted relative to the vertical axis 3 radially to the carrier unit 10.

Am Oberwagen 11 ist ein Aufnehmer 29 zum Erfassen der momentanen Schwenkposition des Oberwagens 11 und somit der Betätigungseinheit 18 relativ zur Trägereinheit 10 vorgesehen. Ferner ist am Oberwagen 11 ein weiterer Aufnehmer 28 zum Erfassen der momentanen Radialposition der Betätigungseinheit 18 relativ zum Oberwagen 11 und somit zur Trägereinheit 10 angeordnet. Dieser zweite Aufnehmer 28 ist als Drehwinkelaufnehmer zum Bestimmen des Schwenkwinkels der Maststützen 12 um die horizontale Schwenkachse ausgebildet.On the superstructure 11, a sensor 29 for detecting the instantaneous pivot position of the upper carriage 11 and thus the actuating unit 18 relative to the carrier unit 10 is provided. Furthermore, a further sensor 28 for detecting the instantaneous radial position of the actuating unit 18 relative to the uppercarriage 11 and thus to the carrier unit 10 is arranged on the uppercarriage 11. This second receiver 28 is designed as a rotational angle sensor for determining the pivot angle of the mast supports 12 about the horizontal pivot axis.

Die erfindungsgemäße Sicherheitseinrichtung weist eine Auswerteeinheit 22 auf, welche zur Erfassung der momentanen Position der Betätigungseinheit 18 mit den Aufnehmern 28 und 29 in Signalverbindung steht. Ferner weist die Sicherheitseinrichtung eine Anzeigeeinrichtung 20 auf, die in der Bedienerkabine der Baumaschine 1 angeordnet ist. Die Auswerteeinheit 22 kann auch mit weiteren Aufnehmern an der Baumaschine 1 in Signalverbindung stehen, wobei als Beispiel für einen solchen weiteren Aufnehmer in Fig. 1 ein Aufnehmer 31 zur Bestimmung einer Zug- und/oder Druckkraft beim vertikalen Vorschub des Schlittens 15 bezüglich des Masts 14 gezeigt ist.The safety device according to the invention has an evaluation unit 22, which is in signal communication with the receivers 28 and 29 for detecting the instantaneous position of the actuation unit 18. Furthermore, the safety device has a display device 20 which is arranged in the operator's cab of the construction machine 1. The evaluation unit 22 may also be in signal communication with further sensors on the construction machine 1, wherein as an example of such a further sensor in Fig. 1 a pick-up 31 for determining a tensile and / or compressive force in the vertical feed of the carriage 15 with respect to the mast 14 is shown.

Mittels der Auswerteeinheit 22 und der Anzeigeeinrichtung 20 werden Lageskizzen erstellt und angezeigt, welche die Kippstabilität der Baumaschine 1 visualisieren. Ein Beispiel einer solchen Lageskizze 60 ist in Fig. 2 dargestellt. Eine solche Lageskizze 60 kann beispielsweise auf einem Display der Anzeigeeinrichtung 20 dargestellt werden.By means of the evaluation unit 22 and the display device 20 position sketches are created and displayed, which visualize the tipping stability of the construction machine 1. An example of such a location sketch 60 is in FIG Fig. 2 shown. Such a position sketch 60 can be displayed, for example, on a display of the display device 20.

Wie Fig. 2 zeigt, besteht die Lageskizze 60 aus einer stilisierten Draufsicht auf die Baumaschine 1. Sie zeigt eine stilisierte Darstellung 61 der Baumaschine 1 einschließlich einer stilisierten Darstellung 68 der Betätigungseinheit 18. Unterlegt ist die Darstellung mit einer abgegrenzten Fläche 71, welche einen sicheren Schwenkbereich repräsentiert. Diese Fläche 71 kann beispielsweise in der Anzeige grün dargestellt werden. Durch Betrachtung der Lageskizze 60 erkennt der Bediener, dass sich die stilisierte Darstellung 68 der Betätigungseinheit 18 innerhalb der Fläche 71 befindet, was dem Bediener zeigt, dass ein kippsicherer Betrieb gegeben ist. Befände sich die stilisierte Darstellung 68 außerhalb der Fläche 71, so deutete dies auf eine Kippgefahr hin.As Fig. 2 It shows a stylized representation 61 of the construction machine 1 including a stylized representation 68 of the actuation unit 18. The representation is shown with a delimited area 71, which represents a safe pivoting area. This area 71 can be displayed in green, for example, in the display. By viewing the location sketch 60, the operator recognizes that the stylized representation 68 of the actuator 18 is within the area 71, indicating to the operator that a tip-over operation is provided. If the stylized representation 68 were outside the area 71, this indicated a risk of tipping over.

Ein weiteres Beispiel einer Lageskizze 60 ist in Fig. 3 dargestellt. Beim Ausführungsbeispiel der Fig. 3 werden zwei Verstellbereiche bestimmt, nämlich ein erster Verstellbereich für unbeschränkten Betrieb und ein zweiter Verstellbereich für beschränkten Betrieb. In diesem beschränkten Betriebsmodus können zusätzliche Beschränkungen erforderlich sein, beispielsweise eine Beschränkung der Windenzugkräfte einer Hauptwinde, einer Hilfswinde und/oder einer Vorschubwinde.Another example of a location sketch 60 is in FIG Fig. 3 shown. In the embodiment of Fig. 3 two adjustment ranges are determined, namely a first adjustment range for unrestricted operation and a second adjustment range for limited operation. In this limited mode of operation additional constraints may be required, such as a limitation on the winch forces of a main winch, an auxiliary winch, and / or a feed winch.

Der erste Verstellbereich wird in der Lageskizze 60 durch die Fläche 71 repräsentiert, der zweite Verstellbereich durch die Fläche 72. Dabei kann die Fläche 71 beispielsweise grün und die Fläche 72 beispielsweise orange dargestellt sein. Je nachdem, ob sich die stilisierte Darstellung 68 der Betätigungseinheit 18 im Bereich der Fläche 71 oder im Bereich der Fläche 72 befindet, weiß der Bediener, ob unbeschränkter oder eingeschränkter Betrieb möglich ist.The first adjustment range is represented in the position sketch 60 by the surface 71, the second adjustment range by the surface 72. In this case, the surface 71 may be green, for example, and the surface 72 may be orange, for example. Depending on whether the stylized representation 68 of the actuating unit 18 is located in the area of the area 71 or in the area of the area 72, the operator knows whether unlimited or restricted operation is possible.

Um den Bediener auf das Erreichen des zweiten, beschränkten Verstellbereichs hinzuweisen, kann auch vorgesehen sein, bei Erreichen des zweiten Bereichs mittels der Anzeigeeinrichtung 20 ein entsprechendes Hinweisfenster auszugeben, wobei auch ein Informationsfenster mit den zulässigen Zugkräften eingeblendet werden kann. Die Einblendung kann insbesondere auf demselben Display geschehen, das auch die Lageskizze 60 zeigt.In order to alert the operator to the achievement of the second, limited adjustment range, it may also be provided to output a corresponding indication window when the second range is reached by means of the display device 20, wherein an information window with the permissible tensile forces can also be superimposed. The insertion can in particular be done on the same display, which also shows the position sketch 60.

Claims (12)

Sicherheitseinrichtung für eine Baumaschine (1), welche eine Trägereinheit (10) und eine Betätigungseinheit (18) aufweist, welche gegenüber der Trägereinheit (10) verstellbar ist, mit - mindestens einem Aufnehmer (28, 29) zum Erfassen der momentanen Lage der Betätigungseinheit (18) relativ zur Trägereinheit (10), - einer Anzeigeeinrichtung (20), mit welcher die momentane Lage der Betätigungseinheit (18) relativ zur Trägereinheit (10) anzeigbar ist, und - einer Auswerteeinheit (22), durch welche abhängig von zumindest einem Eingabewert mindestens ein Verstellbereich der Betätigungseinheit (18) ermittelbar ist, in welchem die Betätigungseinheit (18) bei einer vorgegebenen Kippsicherheit der Baumaschine (1) verstellbar ist, - wobei der Verstellbereich gemeinsam mit der momentanen Lage der Betätigungseinheit (18) mittels der Anzeigeeinrichtung (20) anzeigbar ist. Safety device for a construction machine (1), which has a carrier unit (10) and an actuating unit (18) which is adjustable relative to the carrier unit (10) - At least one pickup (28, 29) for detecting the current position of the actuating unit (18) relative to the carrier unit (10), - A display device (20), with which the current position of the actuating unit (18) relative to the carrier unit (10) can be displayed, and an evaluation unit (22), by means of which at least one adjustment range of the actuating unit (18) can be determined as a function of at least one input value, in which the actuating unit (18) is adjustable for a given tilting safety of the construction machine (1), - Wherein the adjustment can be displayed together with the current position of the actuating unit (18) by means of the display device (20). Sicherheitseinrichtung nach Anspruch 1,
dadurch gekennzeichnet, - dass die Betätigungseinheit (18) relativ zur Trägereinheit (10) um eine Hochachse (3) verschwenkbar ist, - dass mindestens ein Aufnehmer (29) zum Erfassen der momentanen Schwenkposition der Betätigungseinheit (18) relativ zur Trägereinheit (10) um die Hochachse (3) vorgesehen ist, und - dass mittels der Anzeigeeinrichtung (20) der Verstellbereich gemeinsam mit der momentanen Schwenkposition der Betätigungseinheit (18) anzeigbar ist. Safety device according to claim 1,
characterized, - That the actuating unit (18) relative to the carrier unit (10) about a vertical axis (3) is pivotable, - That at least one sensor (29) for detecting the current pivotal position of the actuating unit (18) relative to the support unit (10) about the vertical axis (3) is provided, and - That by means of the display device (20) of the adjustment can be displayed together with the current pivot position of the actuating unit (18). Sicherheitseinrichtung nach Anspruch 2,
dadurch gekennzeichnet, - dass die Betätigungseinheit (18) radial zur Hochachse (3) verstellbar ist, - dass mindestens ein Aufnehmer (28) zum Erfassen der momentanen Radialposition der Betätigungseinheit (18) relativ zur Hochachse (3) vorgesehen ist, und - dass mittels der Anzeigeeinrichtung (20) der Verstellbereich gemeinsam mit der momentanen Radialposition der Betätigungseinheit (18) anzeigbar ist. Safety device according to claim 2,
characterized, - That the actuating unit (18) is radially adjustable to the vertical axis (3), - That at least one sensor (28) for detecting the instantaneous radial position of the actuating unit (18) is provided relative to the vertical axis (3), and - That by means of the display device (20) of the adjustment can be displayed together with the current radial position of the actuating unit (18). Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass Trägereinheit (10) ein Fahrgestell ist und
dass die Betätigungseinheit (18) zumindest ein Tiefbauwerkzeug, insbesondere ein Bohrwerkzeug, aufweist.Safety device according to one of the preceding claims,
characterized,
that carrier unit (10) is a chassis and
that the actuating unit (18) comprises at least a low-construction tool, in particular a drilling tool. Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Anzeigeeinrichtung (20) dafür eingerichtet ist, den Verstellbereich sowie die momentane Lage in einer gemeinsamen Lageskizze (60) darzustellen.Safety device according to one of the preceding claims,
characterized,
in that the display device (20) is set up to display the adjustment range as well as the current position in a common position sketch (60). Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass der Verstellbereich von der Anzeigeeinrichtung (20) bei Änderung der Lage der Betätigungseinheit (18) ortsfest dargestellt wird.Safety device according to one of the preceding claims,
characterized,
that the adjustment range of the display device (20) is displayed fixed when changing the position of the actuating unit (18). Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Anzeigeeinrichtung (20) eine stilisierte Draufsicht zumindest eines Teils der Baumaschine (1) sowie des Verstellbereichs wiedergibt.Safety device according to one of the preceding claims,
characterized,
that the display device (20) representing a stylized plan view at least a portion of the construction machine (1) as well as of the adjustment. Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Anzeigeeinrichtung (20) dafür eingerichtet ist, den Verstellbereich durch eine farbliche Hervorhebung darzustellen.Safety device according to one of the preceding claims,
characterized,
in that the display device (20) is set up to display the adjustment range by means of color highlighting. Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, - dass mittels der Auswerteeinheit (22) ein erster Verstellbereich für unbeschränkten Betrieb und ein zweiter Verstellbereich für beschränkten Betrieb der Baumaschine (1) ermittelbar sind, und - dass die Anzeigeeinrichtung (20) dafür eingerichtet ist, die beiden Verstellbereiche sowie die momentane Lage in einer gemeinsamen Lageskizze (60) darzustellen, wobei die beiden Verstellbereiche in unterschiedlichen Farben dargestellt werden. Safety device according to one of the preceding claims,
characterized, - That by means of the evaluation unit (22) a first adjustment range for unrestricted operation and a second adjustment range for limited operation of the construction machine (1) can be determined, and - That the display device (20) is adapted to represent the two adjustment ranges and the current position in a common position sketch (60), wherein the two adjustment ranges are displayed in different colors. Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass zur Beeinflussung des Verstellbereiches durch einen Bediener Betriebsparameter zum Betrieb der Baumaschine (1) an der Auswerteeinheit (22) vorgebbar sind.Safety device according to one of the preceding claims,
characterized,
in that for influencing the adjustment range by an operator operating parameters for operating the construction machine (1) can be predetermined at the evaluation unit (22). Sicherheitseinrichtung nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet,
dass die Eingabewerte für die Auswerteeinheit (22) über Aufnehmer (31) an der Baumaschine (1) erfassbar, von Hand eingebbar und/oder aus einer Datenbank auswählbar sind.Safety device according to one of the preceding claims,
characterized,
that the input values for the evaluation unit (22) through transducer (31) on the construction machine (1) detected, manually entered and / or from a database are selectable. Baumaschine (1) mit einer Sicherheitseinrichtung nach einem der vorstehenden Ansprüche.Construction machine (1) with a safety device according to one of the preceding claims.
EP10004085.6A 2010-04-16 2010-04-16 Construction machine with a safety device Revoked EP2378054B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP10004085.6A EP2378054B1 (en) 2010-04-16 2010-04-16 Construction machine with a safety device
US13/072,460 US8624752B2 (en) 2010-04-16 2011-03-25 Safety means for a construction machine
RU2011111328/03A RU2466241C1 (en) 2010-04-16 2011-03-28 Safety device for construction machine
JP2011085433A JP5564462B2 (en) 2010-04-16 2011-04-07 Safety equipment for construction machinery
BRPI1101739-2A BRPI1101739A2 (en) 2010-04-16 2011-04-15 safety device for a construction machine
CN201110095046.2A CN102220862B (en) 2010-04-16 2011-04-15 Safety device for a construction machine
HK12102941.2A HK1162632A1 (en) 2010-04-16 2012-03-23 Safety means for a construction machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10004085.6A EP2378054B1 (en) 2010-04-16 2010-04-16 Construction machine with a safety device

Publications (2)

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EP2378054A1 true EP2378054A1 (en) 2011-10-19
EP2378054B1 EP2378054B1 (en) 2019-08-28

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EP10004085.6A Revoked EP2378054B1 (en) 2010-04-16 2010-04-16 Construction machine with a safety device

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US (1) US8624752B2 (en)
EP (1) EP2378054B1 (en)
JP (1) JP5564462B2 (en)
CN (1) CN102220862B (en)
BR (1) BRPI1101739A2 (en)
HK (1) HK1162632A1 (en)
RU (1) RU2466241C1 (en)

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EP3268538B1 (en) 2015-03-12 2021-10-27 Liebherr-Werk Nenzing GmbH Method of limiting the soil pressure of a constructing machine and constructing machine

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EP3722512B1 (en) * 2019-04-08 2022-06-08 BAUER Maschinen GmbH Excavation device and method for operating same

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Also Published As

Publication number Publication date
US20110254694A1 (en) 2011-10-20
RU2011111328A (en) 2012-10-10
RU2466241C1 (en) 2012-11-10
BRPI1101739A2 (en) 2013-01-15
EP2378054B1 (en) 2019-08-28
CN102220862B (en) 2015-05-20
CN102220862A (en) 2011-10-19
JP5564462B2 (en) 2014-07-30
US8624752B2 (en) 2014-01-07
JP2011226257A (en) 2011-11-10
HK1162632A1 (en) 2012-08-31

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