CN100523758C - Pressure measuring device for wiper - Google Patents
Pressure measuring device for wiper Download PDFInfo
- Publication number
- CN100523758C CN100523758C CNB2007100240448A CN200710024044A CN100523758C CN 100523758 C CN100523758 C CN 100523758C CN B2007100240448 A CNB2007100240448 A CN B2007100240448A CN 200710024044 A CN200710024044 A CN 200710024044A CN 100523758 C CN100523758 C CN 100523758C
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- China
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- frame
- wiper
- bearing
- pressure
- measuring device
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Abstract
A pressure test device of wiper is prepared as erecting an automobile window glass at front surface of glass support, setting a pressure transducer at middle of rear surface, forming pressure regulator by pressure regulation plate and stepping motor, setting a screw at shaft end of stepping motor, erecting base of stepping motor on two fixed guide rails of body-frame, rotating said motor to rotate said screw being used to drive pressure regulation plate to move along guide rails for varying pressure of wiper on automobile window glass.
Description
Technical field
The present invention relates to a kind of pressure measuring device for wiper of automotive glazing wiper assembly performance test center.
Background technology
Its every performance index of automotive glazing electric wiper assembly must meet the automobile industry standard QC/T44-1997 of the People's Republic of China (PRC) " automotive glazing electric wiper technical conditions " requirement, could produce and use.Wherein the wiper assembly all needs to test in the wiper process of the test to the snap-in force test of automotive glazing and the endurancing of wiper assembly, and the wiper assembly is to the snap-in force of automotive glazing; Also need the size of snap-in force be regulated according to the test standard requirement.
According to related data inquiry both at home and abroad, also do not find the applicable industry control computer so far, the test detecting instrument that the wiper assembly is automatically monitored.Present domestic wiper assembly is to the snap-in force test of automotive glazing and the endurancing of wiper assembly, the method that adopts is: when wiper assembly stationary state, measure the snap-in force of wiper assembly with spring balance to automotive glazing, this method can not be tested dynamic snap-in force, can not monitor the fluctuation situation of this snap-in force in process of the test.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, can accurately test the proving installation of wiper assembly to the dynamic snap-in force of automotive glazing.
The technical scheme that realizes the object of the invention is:
The present invention has pressure test platform and pressure governor; Described pressure test platform top is that glass pane frame, bottom are to be automatically connected on the frame to drive the swing span that eyebrow window glass frame work moves forward and backward, glass pane is arranged on the front portion of glass pane frame, the rear of glass pane frame is provided with the sensor that is fixed on the frame, described pressure governor be fixed on central rack and be equipped with the top glass pane before the corresponding mounting template of tested wiper assembly.
Described pressure governor comprises pressure regulator panel and the stepper motor that is installed on the motor cabinet, and stepper motor axle head connecting filament bar, motor cabinet are installed on two location guides of frame; Screw mandrel and location guide match with silk hole and guide hole on the pressure regulator panel respectively, on the location guide of frame, respectively are equipped with in the front and back of a guide hole of pressure regulator panel left front and regulate one of limit switch.Described mounting template is fixed on the front portion of pressure regulator panel.
The swing span of above-mentioned pressure test platform comprises four spikes, glass pane frame bottom is fixed with four kickstands, each is automatically connected in the upper end of spike on the kickstand of glass pane frame correspondence by bearing pin, and the lower end of four spikes is automatically connected in frame lower by forward and backward transverse axis respectively.
Described kickstand is for falling " U " shape, and the upper end of above-mentioned spike is fixed with bearing seat, is provided with bearing in the bearing seat, and the two ends of the bearing pin by bearing are connected on the two side pin shaft hole of kickstand.
Above-mentioned bearing is a double-row radial ball bearing.
Described frame lower is provided with four bearing seats, and the lower end of above-mentioned each spike is fixed with horizontal axle sleeve, and described forward and backward transverse axis is connected to by bearing in the corresponding axis bearing of frame, and the two ends of forward and backward transverse axis are separately fixed in the horizontal axle sleeve of corresponding spike.
The bearing of the forward and backward transverse axis of described support is a double-row radial ball bearing.
Described upper rack and be provided with spacing adjustment part near each spike place.
Described spike all adopts hollow square tube.
The present invention has positive effect: (1) adopts pressure sensor of the present invention replaces spring balance to test the snap-in force of wiper assembly to automotive glazing, improve measuring accuracy, and realized the purpose that the dynamic snap-in force of desired monitoring changes on the testing standard.(2) the present invention has adopted the glass pane frame by 4 vertical hollow square tubes and four pairs of structures that double-row ball bearing supports, can be under the minimum situation of damping the wiper assembly be passed to pressure transducer to the snap-in force of automotive glazing, so simple in structure, good reliability.(3) the present invention adopts stepper motor to regulate pressure regulator panel by screw mandrel, thereby test and regulate wiper assembly inner spring elastic force and wiper and scrape relation between cleanliness, the permanance, can optimize the design of wiper assembly, create condition for high-quality wiper product is provided.
Description of drawings
Fig. 1 is the rack-mounted structural representation of present embodiment.
Fig. 2 is the structural representation of this device pressure test platform.
Fig. 3 is this device pressure governor structural representation.
Fig. 4 is the schematic top plan view of Fig. 3.
Fig. 5 is the A-A diagrammatic cross-section of Fig. 2.
Embodiment
See Fig. 1 and Fig. 2, present embodiment is installed on the frame 6 of automotive glazing wiper assembly performance test center, and present embodiment comprises pressure test platform 1 and pressure governor 2.Described pressure test platform 1 top is that glass pane frame 1-1, bottom are the swing span 1-2 that is automatically connected on the frame 6.Glass pane 1-4 is arranged on the front portion of glass pane frame 1-1, and glass pane frame 1-1 mainly is welded by four Filled Rectangle steel pipes.Glass pane frame 1-1 bottom is fixed with four " U " shape kickstand 1-11.
Swing span 1-2 comprises four spike 1-21 by hollow square tube system face.The upper end of each spike 1-21 is fixed with bearing seat 1-14, be provided with double-row radial ball bearing 1-13 in the bearing seat 1-14, one bearing pin 1-12 is by bearing 1-13, and its two ends are connected on the pin shaft hole of two side of corresponding " U " shape kickstand 1-11 in glass pane frame 1-1 bottom, and formation is dynamically connected.
Described frame 6 bottoms are provided with four bearing seats 5, the lower end of above-mentioned each spike 1-21 is fixed with horizontal axle sleeve 1-23, and forward and backward transverse axis 1-22 is connected between the horizontal axle sleeve 1-23 of corresponding two spike 1-21 by the preceding diaxon bearing 5 of frame 6 and the double-row radial ball bearing 5-1 in the back diaxon bearing 5 respectively.
The rear of glass pane frame 1-1 is provided with and is fixed on the frame 6 and the sensor 3 that can contact with glass pane frame 1-1.The signal conveys that sensor 3 receives is in industrial control computer.
Upper rack and be provided with spacing adjustment part 8 near each spike 1-21 upper end, its effect are overexertions when preventing because of the snap-in force of regulating 7 couples of glass pane 1-4 of wiper assembly, and spike 1-21 tilts excessive and damages pressure transducer 3.
See Fig. 3 and Fig. 4, described pressure governor 2 is fixed on central rack, pressure governor 2 comprises pressure regulator panel 2-1 and the stepper motor 2-2 that is installed on the motor cabinet 2-5, stepper motor 2-2 axle head is equipped with screw mandrel 2-3, motor cabinet 2-5 is installed on two location guides 9 of frame, screw mandrel 2-3 is connected with pressure regulator panel 2-1 with guide hole by the silk hole on the pressure regulator panel 2-1 respectively with location guide 9, on the location guide 9 of frame, before and after the guide hole of pressure regulator panel 2-1 left front, respectively be equipped with and regulate limit switch 10, prevent that wiper from damaging glass pane accidentally when pressure is regulated.The front portion of the upward corresponding top of pressure regulator panel 2-1 glass pane is dynamically connected the mounting template 4 of tested wiper assembly, the different mounting template of wiper assembly 7 adapteds of different model is installed.
When stepper motor 2-2 rotation, screw mandrel 2-3 also rotates thereupon, and drive pressure regulator panel 2-1 and move along location guide 9, thus the snap-in force of regulating 7 couples of glass pane 1-4 of wiper assembly.
Glass pane frame 1-1 must find level accurately when Installation and Debugging, four spike 1-21 should be perpendicular to glass pane frame 1-1.Wiper assembly 7 is pushed down glass pane 1-4 after being installed on the mounting template 4 gently, and the pressure displayed value on the pressure transducer 3 is zero at this moment.The snap-in force of clicking then on the industrial control computer display is adjusted button, start stepper motor 2-2, screw mandrel 2-3 drives pressure regulator panel 2-1 and moves, being installed in wiper assembly 7 on the mounting template 4 moves thereupon glass pane 1-4 is exerted pressure, cause glass pane frame 1-1 to be subjected to thrust, pressure transducer 3 pressurizeds.Pressure transducer 3 receives pressure can show that the average snap-in force that is adjusted to 7 couples of glass pane 1-4 of wiper assembly reaches setting numerical value at the industrial control computer display, start test then.In process of the test, can observe dynamic snap-in force changing value; Also can click the snap-in force curve button on the display, on the screen of computer monitoring display, show the snap-in force curvilinear figure in the process of the test.
Claims (10)
1, a kind of pressure measuring device for wiper is characterized in that: have pressure test platform (1) and pressure governor (2); Described pressure test platform (1) top is that glass pane frame (1-1), bottom are for being automatically connected on the frame (6) to drive the swing span (1-2) that eyebrow window glass frame (1-1) work moves forward and backward, glass pane (1-4) is arranged on the front portion of glass pane frame (1-1), the rear of glass pane frame (1-1) is provided with the sensor (3) that is fixed on the frame (6), described pressure governor (2) be fixed on central rack and be equipped with the top glass pane before the corresponding mounting template of tested wiper assembly (4).
2, pressure measuring device for wiper according to claim 1, it is characterized in that: described pressure governor (2) comprises pressure regulator panel (2-1) and is installed in stepper motor (2-2) on the motor cabinet (2-5), stepper motor (2-2) axle head connects screw mandrel (2-3), and motor cabinet (2-5) is installed on two location guides (9) of frame; Screw mandrel (2-3) and location guide (9) match with silk hole and guide hole on the pressure regulator panel (2-1) respectively, and described mounting template (4) is fixed on the front portion of pressure regulator panel (2-1).
3, pressure measuring device for wiper according to claim 1, it is characterized in that: the swing span (1-2) of above-mentioned pressure test platform (1) comprises four spikes (1-21), glass pane frame (1-1) bottom is fixed with four kickstands (1-11), each is automatically connected in the upper end of spike (1-21) on the corresponding kickstand (1-11) of glass pane frame (1-1) by bearing pin (1-12), and the lower end of four spikes (1-21) is automatically connected in frame (6) bottom by forward and backward transverse axis (1-22) respectively.
4, pressure measuring device for wiper according to claim 3, it is characterized in that: described kickstand (1-11) is for falling " U " shape, the upper end of above-mentioned spike (1-21) is fixed with bearing seat (1-14), be provided with bearing (1-13) in the bearing seat (1-14), the two ends of the bearing pin (1-12) by bearing (1-13) are connected on the two side pin shaft hole of kickstand (1-11).
5, according to the described pressure measuring device for wiper of claim 4, it is characterized in that: above-mentioned bearing (1-13) is a double-row radial ball bearing.
6, pressure measuring device for wiper according to claim 3, it is characterized in that: described frame (6) bottom is provided with four bearing seats (5), the lower end of above-mentioned each spike (1-21) is fixed with horizontal axle sleeve (1-23), described forward and backward transverse axis (1-22) is connected to by bearing (5-1) in the corresponding axis bearing (5) of frame (6), and the two ends of forward and backward transverse axis (1-22) are separately fixed in the horizontal axle sleeve (1-23) of corresponding spike (1-21).
7, according to the described pressure measuring device for wiper of claim 6, it is characterized in that: the bearing (5-1) in the bearing seat (5) of the forward and backward transverse axis of described support (1-22) is a double-row radial ball bearing.
8, according to the described pressure measuring device for wiper of claim 3, it is characterized in that: described frame (6) top and locating to be provided with spacing adjustment part (8) near each spike (1-21).
9, according to the described pressure measuring device for wiper of one of claim 3～8, it is characterized in that: described spike (1-21) all adopts hollow square tube.
10, pressure measuring device for wiper according to claim 2 is characterized in that: on the location guide (9) of described frame, respectively be equipped with before and after pressure regulator panel (2-1) guide hole and regulate limit switch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100240448A CN100523758C (en) | 2007-07-14 | 2007-07-14 | Pressure measuring device for wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100240448A CN100523758C (en) | 2007-07-14 | 2007-07-14 | Pressure measuring device for wiper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101089568A CN101089568A (en) | 2007-12-19 |
| CN100523758C true CN100523758C (en) | 2009-08-05 |
Family
ID=38943001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100240448A Expired - Fee Related CN100523758C (en) | 2007-07-14 | 2007-07-14 | Pressure measuring device for wiper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100523758C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197843A (en) * | 2016-08-31 | 2016-12-07 | 北京航天动力研究所 | A kind of on-site torsion calibration device |
| CN107727288A (en) * | 2017-08-30 | 2018-02-23 | 江苏云睿汽车电器系统有限公司 | Novel windscreen wiper pressure distribution test equipment |
| CN112798297A (en) * | 2021-01-06 | 2021-05-14 | 矩阵数据科技(上海)有限公司 | Method for testing performance of pure electric vehicle windscreen wiper |
-
2007
- 2007-07-14 CN CNB2007100240448A patent/CN100523758C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101089568A (en) | 2007-12-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20110714 |