CN103899251A - Drill bit of non-excavation drilling machine and positioning method of drill bit - Google Patents
Drill bit of non-excavation drilling machine and positioning method of drill bit Download PDFInfo
- Publication number
- CN103899251A CN103899251A CN201410153723.5A CN201410153723A CN103899251A CN 103899251 A CN103899251 A CN 103899251A CN 201410153723 A CN201410153723 A CN 201410153723A CN 103899251 A CN103899251 A CN 103899251A
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- drill bit
- probe
- antennas
- antenna
- point
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009412 basement excavation Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 title abstract description 9
- 239000000523 sample Substances 0.000 claims abstract description 53
- 230000004807 localization Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000013519 translation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- E21B10/00—Drill bits
-
- 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
- E21B45/00—Measuring the drilling time or rate of penetration
Abstract
The invention discloses a drill bit of a non-excavation drilling machine. A probe is arranged in the drill bit, and antennas are arranged in the probe. The drill bit of the non-excavation drilling machine is characterized in that the antennas are coaxially arranged, are divided into at least two sets and have different transmitting frequencies. The invention further discloses a positioning method of the drill bit. The two sets of antennas are arranged in the drill bit, according to the translation relationship, the distances between two front points or two rear points of the two sets of antennas and the antennas are the same, and therefore in the whole drilling construction process of the drill bit, an operator can determine the axis direction of the underground probe when moving the drill bit by a small distance (the distance between the two sets of antennas). The moving distance is small, and operation is more convenient, more rapid and safer.
Description
Technical field
The present invention relates to a kind of drilling tool, especially a kind of drill bit of non-digging drill, and the localization method of this drill bit.
Background technology
Along with the extensive development of urban construction, need in city, lay and cut dirty pipe or the energy (liquefied gas, natural gas an etc.) supply pipe, more conventional method is that box cut carrys out pipe laying and sunkens cord, and this can cause environment pollution, cause traffic jam, and have construction safety hidden danger.
Therefore, at present also application no-dig laying pipelines technique, one is utilized rock and soil drilling means, in not ditching of road surface, do not destroy in large area top layer in the situation that, lays, repairs and change the construction technology of underground utilities.Use trenchless technology to there is the advantages such as the cycle is short, cost is low, pollute less, security performance is good, and can not affect normal traffic order.
What no-dig laying pipelines technique application was wider is horizontally-guided progressive method, and it is to utilize the drilling rod that drill bit is equipped with in non-excavation guide instrument guiding to carry out coming in to realize before orientation.Operating mode-the degree of depth, inclination angle and the hour direction that provide drill bit real-time are provided non-excavation guide instrument, allow the operating personnel on ground grasp drilling track in real time to follow-up operation is revised timely, to guarantee, by set route track accurate pointing, completing trenchless pipelaying.As can be seen here, no-dig laying pipelines technique has very high requirement for the accurate measurement of non-excavation guide instrument.
Non-excavation guide instrument is generally by underground probe, ground receiving instrument, three part compositions of remote display.Traditional non-excavation guide instrument is to utilize the antenna transmission electromagnetic wave that detects underground probe to position.
Figure 1 shows that the distribution map of antenna radiated electromagnetic field on vertical plane, the underground probe of guide instrument, has shape as shown in Figure 1 in the plane of an electromagnetic wave shape mistake antenna 1 ' axis in office of its signal transmitting antenna 1 ' transmitting.On its each root electromagnetic induction line, all there are three special points, as shown in Figure 1 the m point directly over A1, A2 and probe.The magnetic direction P1 that wherein A1 is ordered with A2 and P2 vertical with antenna 1 ' axes O 1O2 direction (suppose the magnetic direction at A1 place vertically downward, the magnetic direction at A2 place vertically upward), the line of 2 is parallel with axes O 1O2.In engineering, generally the special points (magnetic direction vertically downward, is assumed to be A1) that is positioned at drill bit front is called to front point, the special points (magnetic direction vertically upward, is assumed to be A2) that is positioned at drill bit rear is called to rear point.K line is that a series of front point on the line of magnetic induction is connected to the line obtaining, and m point is positioned at directly over probe, and its magnetic direction is parallel with antenna 1 ' axes O 1O2 direction.
The localization method of the non-excavation guide instrument of tradition be first utilize the receiving instrument 2 ' on ground find probe axial location directly over, then find respectively front some A1 and rear some A2 by the reception antenna of receiving instrument 2 ', obtain again the sensing of probe axis according to the line direction of front point, rear some A1A2, thereby know the direction of advance of drill bit.Utilize receiving instrument 2 ' along the line direction finding of front point, rear some A1A2 to the electromagnetic field direction m point parallel with probe axis direction, m order under be the position of probe, thereby the distance acquisition drill bit that reception antenna can calculate probe and receiving instrument 2 ' according to the signal strength signal intensity that receives is in the underground degree of depth.The spatial positional information of the probe that remote display 3 ' simultaneous display receiving instrument 2 ' calculates, carries out correct guiding operation for rig operating personnel.A kind of disclosed horizontal directional drilling guide-localization method of Chinese patent application and position indicator that concrete localization method can be 200410046887.4 referring to application number.
As can be seen from Figure 1, along with the increase of probe axis vertical distance, the distance between front some A1 and the rear some A2 that needs to find is increase fast also.In the process of creeping at drill bit, operating personnel need constantly to find front the A1 of putting and rear some A2 and locate in real time the direction of advance of drill bit, therefore when probe is underground while putting compared with deep-seated, before and after back and forth finding back and forth, the method for point location will expend the plenty of time, especially in the time that drill bit is positioned at the below of road central authorities, need operating personnel repeatedly to travel to and fro between road both sides, in application process, have very big potential safety hazard.
Summary of the invention
First technical problem to be solved by this invention is the problem existing for above-mentioned prior art, and a kind of drill bit of the non-digging drill of being convenient to location is provided.
Second localization method that technical problem is above-mentioned this drill bit to be solved by this invention.
The present invention solves the technical scheme that above-mentioned first technical problem adopts: a kind of drill bit of non-digging drill, in described drill bit, be provided with probe, in described probe, be provided with antenna, it is characterized in that, it is different that described antenna has at least two groups and the tranmitting frequency of coaxial setting.
According to one embodiment of present invention, the set-up mode of antenna is, two groups of antennas are located in same probe, and two groups of antennas are positioned at homonymy or the both sides of probe, and convenient for installation and maintenance thus, apparatus structure is few, and the probability breaking down is little.
According to another embodiment of the invention, the set-up mode of antenna is, described probe has two of coaxial setting, one group of antenna is set in each root probe, flexible for installation thus, can determine according to engineering actual conditions and the distance of two antennas make certainty of measurement reach optimum efficiency (when antenna is in the time that underground position is darker, if two antenna distances are still nearer, larger according to straight line definite between 2 points (actual measurement be all two zonules) and actual position possible deviation.Therefore when antenna is in underground more shallow position, can allow two antenna distances suitably reduce, when putting and can increase by two antenna distances compared with deep-seated underground).
The present invention solves the technical scheme that above-mentioned second technical problem adopt: a kind of localization method of drill bit as above, described localization method adopts non-excavation guide instrument, it is characterized in that, comprises the steps:
1) utilize the receiving instrument on guide instrument ground first to search out in two groups of antennas wherein the first vertical point of magnetic direction on the line of magnetic induction of one group of antenna transmission;
2) utilize described receiving instrument consistent second point of magnetic direction near finding another group antenna transmission above-mentioned first line of magnetic induction, the distance between first and second point with the central point of two groups of antennas apart from identical;
3) by the direction of probe axis described in the line orientation determination between above-mentioned first and second point;
4) utilize described receiving instrument above-mentioned first with second point near to find magnetic direction parallel with described axis thirdly, described thirdly under be the position of described probe, thereby obtain drill bit in the underground degree of depth.
If receiving instrument is in a certain position, drill bit front, first is front point with second point, and the magnetic direction of described first vertically upward.
If receiving instrument is in a certain position, drill bit rear, first is rear point with second point, and the magnetic direction of described first vertically downward.
Compared with prior art, the invention has the advantages that: by two groups of antennas are set in drill bit, according to translation relation, before two of two groups of antennas, point or two distances are afterwards identical with the distance of antenna, therefore in the whole work progress creeping at drill bit, operating personnel only need to move one section of less distance (distances between two groups of antennas) and just can descend definitely the axis direction of probe, and displacement is few, and more convenient, quick and safety operate.
Accompanying drawing explanation
Fig. 1 is the guide instrument positioning principle figure of prior art;
Fig. 2-1 is the schematic diagram of first embodiment of drill bit of the present invention;
Fig. 2-2 are the schematic diagram of second embodiment of drill bit of the present invention;
Fig. 2-3 are the schematic diagram of the 3rd embodiment of drill bit of the present invention;
Fig. 3 is drill bit positioning principle figure of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Referring to Fig. 2-1～Fig. 2-3, a kind of drill bit of non-digging drill, is provided with two groups of antennas that tranmitting frequency is different in it, the first antenna 1 and the second antenna 2.As shown in Fig. 2-1, in drill bit, be provided with the coaxial arranged side by side side in the probe 3 in drill bit that is arranged on of 3, two groups of antennas of probe of non-excavation guide instrument, 4 of battery compartments are positioned at another end of probe 3; As shown in Fig. 2-2, be with Fig. 2-1 difference, battery compartment 4 is between two groups of antennas; As Figure 2-3, in drill bit, be provided with two probes, the first probe 31 and the second probe 32, wherein the first antenna 1 is positioned at the first probe 31, the second antenna 2 is positioned at the second probe 32, the first probes 31 and the second probe 32 coaxially arranges, and two groups of antennas also keep coaxial.
Owing to being provided with the antenna that two class frequencys are different, two groups of antennas are on same axis and close together, and the centre distance of two groups of antennas is s, and the distribution of the signal of two groups of antenna transmissions in space is also along axis translation distance s.According to translation relation, front some C vertically downward of the magnetic direction of rear some B vertically upward of front some A vertically downward of the magnetic direction of the first antenna 1 and magnetic direction, the second antenna 2 and magnetic direction rear some D are vertically upward also on same straight line b, and the axes O 1O2 of this straight line b and probe is (while having two probes, axis also only has one) be parallel to each other, referring to Fig. 3, in the present invention, indication vertically refers to the axial vertical of magnetic direction and probe.
According to above-mentioned position relationship, only need to search out separately two points in above four special points (before two after point or two point) and just can determine according to the line of point-to-point transmission the axis direction of probe, after this can know according to existing technology the direction of advance of drill bit, determine that drill bit is in the underground degree of depth.
Arrange after two groups of antennas, adopt non-excavation guide instrument to the localization method of drill bit to be:
If not the ground receiving instrument of excavation guide instrument is in a certain position, drill bit front,
1) utilize receiving instrument first to search out the front some A (or front some C of the second antenna 2) of the first antenna 1, carry out mark on ground;
2) then search out the front some C (or front some A of the first antenna 1) of the second antenna 2 nearby, carry out mark on ground;
3) the straight line direction pointed that connects point before two is the direction of probe axis;
4) find the magnetic direction point parallel with this rectilinear direction, under this point, be that the position of probe is (when two probes, whether because distance is very near between the two, can be considered same position), thus the distance that reception antenna can calculate probe and receiving instrument according to the signal strength signal intensity receiving obtains drill bit in the underground degree of depth.
Correspondingly, if receiving instrument, ground is in a certain position, drill bit rear,
1) utilize receiving instrument first to search out the rear some B (or rear some D of the second antenna 2) of the first antenna 1, carry out mark on ground;
2) then utilize receiving instrument to search out the rear some D (or rear some B of the first antenna 1) of the second antenna 2 nearby, carry out mark on ground;
3) two line directions between are afterwards exactly the axis direction of drill bit;
4) finding the magnetic direction point parallel with this rectilinear direction, is the position of probe under this point, thereby the distance that reception antenna can calculate probe and receiving instrument according to the signal strength signal intensity receiving obtains drill bit in the underground degree of depth.
Claims (6)
1. a drill bit for non-digging drill, is provided with probe in described drill bit, in described probe, is provided with antenna, it is characterized in that, it is different that described antenna has at least two groups and the tranmitting frequency of coaxial setting.
2. the drill bit of non-digging drill as claimed in claim 1, is characterized in that, two groups of antennas are located in same probe, and two groups of antennas are positioned at homonymy or the both sides of probe.
3. the drill bit of non-digging drill as claimed in claim 2, is characterized in that, described probe has two of coaxial setting, and one group of antenna is set in each root probe.
4. a localization method for the drill bit as described in any one in claim 1～3, described localization method adopts non-excavation guide instrument, it is characterized in that, comprises the steps:
1) utilize the receiving instrument on guide instrument ground first to search out in two groups of antennas wherein the first vertical point of magnetic direction on the line of magnetic induction of one group of antenna transmission;
2) utilize described receiving instrument consistent second point of magnetic direction near finding another group antenna transmission above-mentioned first line of magnetic induction, the distance between first and second point with the central point of two groups of antennas apart from identical;
3) by the direction of probe axis described in the line orientation determination between above-mentioned first and second point;
4) utilize described receiving instrument above-mentioned first with second point near to find magnetic direction parallel with described axis thirdly, described thirdly under be the position of described probe, thereby obtain drill bit in the underground degree of depth.
5. non-excavation guide instrument localization method as claimed in claim 4, is characterized in that, the magnetic direction of described first vertically upward.
6. non-excavation guide instrument localization method as claimed in claim 4, is characterized in that, the magnetic direction of described first vertically downward.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153723.5A CN103899251B (en) | 2014-04-16 | 2014-04-16 | A kind of localization method of drill bit of no-dig technique rig |
| PCT/CN2015/000242 WO2015158158A1 (en) | 2014-04-16 | 2015-04-08 | Drill bit of non-excavation drilling machine and positioning method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153723.5A CN103899251B (en) | 2014-04-16 | 2014-04-16 | A kind of localization method of drill bit of no-dig technique rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103899251A true CN103899251A (en) | 2014-07-02 |
| CN103899251B CN103899251B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410153723.5A Active CN103899251B (en) | 2014-04-16 | 2014-04-16 | A kind of localization method of drill bit of no-dig technique rig |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103899251B (en) |
| WO (1) | WO2015158158A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535060A (en) * | 2014-12-17 | 2015-04-22 | 中国神华能源股份有限公司 | Quarrymaster operation positioning method and device |
| WO2015158158A1 (en) * | 2014-04-16 | 2015-10-22 | 黄山金地电子有限公司 | Drill bit of non-excavation drilling machine and positioning method for same |
| CN106014385A (en) * | 2016-07-22 | 2016-10-12 | 黄山金地电子有限公司 | Guide method of non-excavation guide instrument |
| CN106197237A (en) * | 2016-07-22 | 2016-12-07 | 黄山金地电子有限公司 | A kind of measure point the determination methods of no-dig technique guide instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112814650B (en) * | 2021-01-05 | 2022-07-26 | 四川石油天然气建设工程有限责任公司 | Hole measuring process for directional drilling of wireless probe and pipe back-dragging risk assessment method |
| CN115012915B (en) * | 2022-06-02 | 2023-01-24 | 中国石油天然气集团有限公司 | Magnetic field positioning method, system, device, equipment and medium based on straight wire |
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2014
- 2014-04-16 CN CN201410153723.5A patent/CN103899251B/en active Active
-
2015
- 2015-04-08 WO PCT/CN2015/000242 patent/WO2015158158A1/en active Application Filing
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| US5764062A (en) * | 1996-03-14 | 1998-06-09 | Digital Control Incorporated | Technique for establishing and recording a boring tool path using a survey reference level |
| US6833795B1 (en) * | 1999-11-30 | 2004-12-21 | Vermeer Manufacturing Company | Underground utility detection system and method employing ground penetrating radar |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015158158A1 (en) * | 2014-04-16 | 2015-10-22 | 黄山金地电子有限公司 | Drill bit of non-excavation drilling machine and positioning method for same |
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| CN106197237B (en) * | 2016-07-22 | 2019-11-05 | 黄山金地电子有限公司 | A kind of judgment method of the measurement point of no-dig technique guide instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015158158A1 (en) | 2015-10-22 |
| CN103899251B (en) | 2016-04-20 |
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Effective date of registration: 20170126 Address after: 245900 Anhui Province, Huangshan City Huizhou district north of the city of Yongxing Industrial Park Road No. 32 Patentee after: HUANGSHAN GOLDEN LAND ELECTRONICS INC. Patentee after: Xuzhou Xugong Foundation Construction Machinery Co., Ltd. Address before: 245900 Anhui Province, Huangshan City Huizhou district north of the city of Yongxing Industrial Park Road No. 32 Patentee before: HUANGSHAN GOLDEN LAND ELECTRONICS INC. |
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Effective date of registration: 20180510 Address after: 245900 No. 32 Yongxing Road Industrial Park, Huizhou District, Huangshan City, Anhui Patentee after: HUANGSHAN GOLDEN LAND ELECTRONICS INC. Address before: 245900 No. 32 Yongxing Road Industrial Park, Huizhou District, Huangshan City, Anhui Co-patentee before: Xuzhou Xugong Foundation Construction Machinery Co., Ltd. Patentee before: HUANGSHAN GOLDEN LAND ELECTRONICS INC. |