CN113513307A - Underground anchor hole positioning device and method based on magnetic nail - Google Patents
Underground anchor hole positioning device and method based on magnetic nail Download PDFInfo
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- CN113513307A CN113513307A CN202110778950.7A CN202110778950A CN113513307A CN 113513307 A CN113513307 A CN 113513307A CN 202110778950 A CN202110778950 A CN 202110778950A CN 113513307 A CN113513307 A CN 113513307A
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- 238000000034 method Methods 0.000 title claims description 22
- 230000006698 induction Effects 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims description 9
- 239000006247 magnetic powder Substances 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 description 8
- 239000003245 coal Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
- E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
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- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A magnetic nail-based underground anchor hole positioning device comprises a portal bracket, wherein rows of anchor holes are formed in the portal bracket, a positioning strip is arranged on the portal bracket, and a plurality of magnetic grooves which are arranged in an array are carved on the positioning strip and are used as magnetic nails; the positioning device comprises an anchor rod drilling machine and a position detection device, the position detection device comprises a magnetic induction sensor and a positioning support, the positioning support comprises a connecting rod and a clamping groove arranged at one end of the connecting rod, the magnetic induction sensor is arranged in the clamping groove, and the magnetic induction sensor and the anchor rod drilling machine are respectively in communication connection with an industrial personal computer; the clamping grooves are clamped on two sides of the positioning strips and are in sliding connection with the positioning strips, and the other ends of the connecting rods are fixedly connected with the anchor rod drilling machine. According to the invention, the position information of the anchor hole can be quickly and accurately captured by combining the magnetic induction sensor and the magnetic nail, so that the working efficiency of the equipment is improved, the maintenance cost can be reduced, and the service life is prolonged.
Description
Technical Field
The invention relates to the technical field of positioning, in particular to a magnetic nail-based underground anchor hole positioning device and method.
Background
The mining in the field of mines mainly takes underground mining as a main part, a large number of roadways need to be excavated underground, in order to reduce the movement of surrounding rocks, the section of the roadway is not excessively reduced, meanwhile, the scattered and damaged surrounding rocks are prevented from falling down to ensure the safety of the roadway structure in the mining process, a support needs to be installed in a mine roadway to protect workers, and when the support is installed, fixing holes in the support need to be positioned to install anchor rods, so that the supporting performance of a supporting and fixing structure can be effectively improved. In the construction installation of stock, need insert the anchor eye with the stock accurately, the interval between each stock is also controlled properly in order to guarantee that tunnel overall structure atress is even. However, the conventional anchor hole positioning and anchor rod inserting methods basically depend on manual measurement, and are time-consuming, labor-consuming and low in efficiency. Therefore, the design of the positioning device and the method for the anchor hole of the underground coal mine support has important significance for improving the construction efficiency and the underground working safety.
Disclosure of Invention
In order to solve the problems, the underground anchor hole positioning device and method based on the magnetic nail are provided.
The object of the invention is achieved in the following way:
a magnetic nail-based underground anchor hole positioning device comprises a portal bracket, wherein rows of anchor holes are formed in the portal bracket, a positioning strip is arranged on the portal bracket, and a plurality of magnetic grooves which are arranged in an array are carved on the positioning strip and are used as magnetic nails; the positioning device comprises an anchor rod drilling machine and a position detection device, the position detection device comprises a magnetic induction sensor and a positioning support, the positioning support comprises a connecting rod and a clamping groove arranged at one end of the connecting rod, the magnetic induction sensor is arranged in the clamping groove, and the magnetic induction sensor and the anchor rod drilling machine are respectively in communication connection with an industrial personal computer; the clamping grooves are clamped on two sides of the positioning strips and are in sliding connection with the positioning strips, and the other ends of the connecting rods are fixedly connected with the anchor rod drilling machine.
The magnetic groove is a groove filled with magnetic materials, and the magnetic materials are solid magnetic powder.
The depth and the width of the magnetic grooves on the positioning strips are the same.
The positioning strips are arranged in parallel with each row of anchor holes, and the distance between the positioning strips and each row of anchor holes is the same as the distance between the position detection device and the anchor rod drilling machine.
The magnetic grooves are divided into two types, namely N-pole magnetic grooves and S-pole magnetic grooves.
A method for positioning a downhole anchor hole based on a magnetic nail, the method comprising the steps of:
s1: a coding mode based on two-dimensional array positioning is as follows: the locating strip on the door-shaped support is carved with the recess, and the recess is filled with magnetic material, forms the magnetism recess, and the magnetism recess divide into two kinds, and N utmost point magnetism recess and S utmost point magnetism recess, the recess of each kind of polarity corresponds a sign, and the magnetism nail is constituteed with the mode that a plurality of arrays were arranged to the magnetism recess, and every magnetism nail all has respective serial number, and the position one-to-one of magnetism nail and anchor eye is used for confirming the position in position hole.
S2: in the testing process, when magnetic induction sensor detected the magnetic pole, it detects the magnetic nail to explain position detection device, magnetic induction sensor sends signal transmission for the industrial computer, the industrial computer sends signal and punches for the roofbolter, position detection device can stop with the roofbolter simultaneously, the stock is the position in anchor eye directly over this moment, can show the serial number of current magnetic nail on the display, the anchor drilling machine chance inserts the anchor eye with the stock simultaneously, accomplish this operation, then position detection device and roofbolter continue to advance, look for next position.
Each magnetic nail has respective serial numbers as follows: the N-pole magnetic grooves are represented by '0', the S-pole magnetic grooves are represented by '1', the four magnetic grooves are combined into a two-dimensional array in a 2X2 array mode to serve as magnetic nails, a certain interval is reserved between every two magnetic nails, the two magnetic grooves are compiled according to binary digital codes, and the magnetic nails correspond to the positions of the anchor holes one by one and are used for determining the positions of the bit holes.
The invention has the beneficial effects that: the underground anchor hole positioning device and method based on the magnetic nail effectively solve the problem of positioning precision of the underground anchor hole of the coal mine, and the high-precision positioning device and method are provided in a mode of combining the magnetic induction sensor and the magnetic nail, so that the position information of the anchor hole can be quickly and accurately captured, the working efficiency of equipment is improved, the maintenance cost can be reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic view of the positioning device of the present invention.
Fig. 2 is a schematic plan-view development of the positioning device of the present invention.
Fig. 3 is a schematic diagram of a magnetic induction sensor and an industrial personal computer of the present invention.
Fig. 4 is a schematic structural view of a positioning bracket according to the present invention.
Wherein 1-a portal frame; 2-positioning strips; 3-a magnetic induction sensor; 4-positioning the bracket; 5-anchor rod drilling machine; 6-anchor hole; 7-magnetic nail; 8-industrial personal computer. .
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same technical meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example (b):
as shown in fig. 1, 2, 3 and 4, this example proposes a magnetic nail-based downhole anchor hole positioning device and method for quickly and accurately positioning an anchor hole in a portal frame in a mine, the device comprising: the magnetic-inductive positioning device comprises a door-shaped support 1, an anchor rod drilling machine 5, a position detection device and an industrial personal computer 8, wherein the position detection device comprises a magnetic induction sensor 3 and a positioning support 4, the positioning support 4 comprises a connecting rod and a clamping groove arranged at one end of the connecting rod, the magnetic induction sensor 3 is arranged in the clamping groove, a positioning strip 2 is arranged on the door-shaped support 1, and a plurality of 2X2 magnetic grooves are carved on the positioning strip 2 to serve as magnetic nails 7; the magnetic sensor 3 is arranged on the positioning bracket 4; the magnetic induction sensor and the jumbolter are respectively in communication connection with an industrial personal computer, and a display of the industrial personal computer 8 displays the position number information of the anchor hole; the clamping grooves are clamped on two sides of the positioning strips and are in sliding connection with the positioning strips, and the other ends of the connecting rods are fixedly connected with the anchor rod drilling machine.
Preferably, a positioning bracket clamping groove is formed in the anchor rod drilling machine, the lower end of the positioning bracket is inserted into the positioning bracket clamping groove to be fixed, and after the positioning bracket is fixed, a connecting rod of the positioning bracket is parallel to the anchor rod; the jumbolter in the invention is the prior art, and can adopt a bolt driller of MYT-125/330 model.
Preferably, the magnetic induction sensors 3 are uniformly arranged in the middle of the positioning bracket 4, and the two are fixedly connected.
Preferably, the depth and the width of the magnetic grooves on the positioning strip 2 are the same, each 2X2 magnetic groove is used as a magnetic nail 7, and the distance between two adjacent magnetic nails 7 can be properly adjusted according to the measurement accuracy of the magnetic induction sensor 3.
Preferably, the magnetic material is solid magnetic powder, and the magnetic powder is deposited in the groove by laser deposition.
Preferably, the positioning strips 2 are arranged in parallel with each row of anchor holes 6, and the distance between the positioning strips and each row of anchor holes is the same as the distance between the position detection device and the anchor drilling machine 5, so that accurate positioning is ensured.
Preferably, the positioning bracket 4 is locked at both sides of the positioning bar 2, and during detection, the positioning bracket 4 is pushed by the jumbolter to move along with the jumbolter, and at this time, the upper end of the positioning bracket 4 slides along both sides of the positioning bar 2.
A magnetic nail-based underground anchor hole positioning method comprises the following steps:
(1) the coding mode based on two-dimensional array positioning comprises the following steps: the positioning strip on the door-shaped support 1 is carved with a groove, the groove is filled with magnetic materials to form a magnetic groove, the magnetic groove is divided into two types, an N-pole magnetic groove and an S-pole magnetic groove, the groove of each polarity corresponds to a character, the four magnetic grooves form magnetic nails in an array mode of 2X2, each magnetic nail 7 has a respective serial number, and the magnetic nails 7 correspond to the anchor holes 6 one by one and are used for determining the positions of the positioning holes.
(2) In the testing process, when four magnetic induction sensors 3 detected the magnetic pole simultaneously, it detects magnetic nail 7 to explain position detection device, magnetic induction sensor gives the industrial computer with signal transmission, the industrial computer sends a signal and punches for the roofbolter, position detection device can stop with roofbolter 5 simultaneously, the stock is the position in anchor hole 6 directly over this moment, can show current magnetic nail 7's serial number on industrial computer 8's the display, roofbolter 5 can insert the stock into anchor hole 6 simultaneously, accomplish this operation, then position detection device and roofbolter 5 continue to advance, look for next position.
Further, the magnetic nails are numbered in the following way: the positioning strip on the door-shaped support is carved with a groove, the maximum stroke of the positioning strip is 3000mm, the groove is filled with magnetic materials to form magnetic grooves, the magnetic grooves are divided into two types, N-pole magnetic grooves and S-pole magnetic grooves, the grooves of each polarity correspond to a symbol, the N-pole magnetic grooves are represented by '0', the S-pole magnetic grooves are represented by '1', the four magnetic grooves are combined into a two-dimensional array in a 2X2 array mode to serve as magnetic nails, the distance between every two magnetic nails is 600mm, the two magnetic grooves are compiled according to binary digital coding, the positions of the magnetic nails and anchor holes correspond one to one, and the positions of the position holes are determined. If the first magnetic pin position is composed of 4N-pole magnetic grooves, the corresponding number is 0000, when the magnetic sensor 3 detects the mark No. 1, the upper left "N", the upper right "N", the lower left "N", the lower right "N", the corresponding symbols are the upper left "0", the upper right "0", the lower left "0", the lower right "0", and the corresponding number is 0000
Then the magnetic signal is displayed on the display of the industrial personal computer, when the detection device moves to a second magnetic nail, the magnetic sensor 3 can detect 3N-pole magnetic grooves and 1S-pole magnetic groove, namely, the upper left N and the right are detectedThe upper "N", the lower left "N", the lower right "S", the corresponding symbols are the upper left "0", the upper right "0", the lower left "0", the lower right "1", the display will show
. When the magnetic induction sensors 3 detect one magnetic nail 7, 4 magnetic induction sensors are all of the same magnetic pole, the 4 magnetic induction sensors can change the detected induced current according to different received attractive forces or repulsive forces, the digital numbers corresponding to the four grooves in each magnetic nail 7 can be obtained according to different currents, the digital numbers are sorted according to the detected digital numbers, and the industrial personal computer display can display the number information of the anchor hole 6; and each anchor hole 6 is ensured to have a unique serial number corresponding to the anchor hole, so that quick and accurate positioning is realized.
The underground anchor hole positioning device and method based on the magnetic nail effectively solve the problem of positioning precision of the underground anchor hole of the coal mine, and the high-precision positioning device and method are provided in a mode of combining the magnetic induction sensor and the magnetic nail, so that the position information of the anchor hole can be quickly and accurately captured, the working efficiency of equipment is improved, the maintenance cost can be reduced, and the service life is prolonged.
The above description is only one embodiment of the two-dimensional magnetic array based hole measurement positioning apparatus and method, and is not intended to limit the technical scope of the present invention, so long as the present invention is slightly modified, and equivalent to the above embodiments.
Claims (7)
1. The utility model provides an anchor eye positioner in pit based on magnetic nail, includes door type support, be equipped with in bank's anchor eye on the door type support, its characterized in that: the door-shaped bracket is provided with a positioning strip, and a plurality of magnetic grooves which are arranged in an array are carved on the positioning strip to be used as magnetic nails; the positioning device comprises an anchor rod drilling machine and a position detection device, the position detection device comprises a magnetic induction sensor and a positioning support, the positioning support comprises a connecting rod and a clamping groove arranged at one end of the connecting rod, the magnetic induction sensor is arranged in the clamping groove, and the magnetic induction sensor and the anchor rod drilling machine are respectively in communication connection with an industrial personal computer; the clamping grooves are clamped on two sides of the positioning strips and are in sliding connection with the positioning strips, and the other ends of the connecting rods are fixedly connected with the anchor rod drilling machine.
2. A magnetic nail-based downhole anchor eye positioning apparatus according to claim 1, wherein: the magnetic groove is a groove filled with magnetic materials, and the magnetic materials are solid magnetic powder.
3. A magnetic nail-based downhole anchor eye positioning apparatus according to claim 1, wherein: the depth and the width of the magnetic grooves on the positioning strips are the same.
4. A magnetic nail-based downhole anchor eye positioning apparatus according to claim 1, wherein: the positioning strips are arranged in parallel with each row of anchor holes, and the distance between the positioning strips and each row of anchor holes is the same as the distance between the position detection device and the anchor rod drilling machine.
5. The magnetic nail-based downhole pore location device of claim 1, wherein: the magnetic grooves are divided into two types, namely N-pole magnetic grooves and S-pole magnetic grooves.
6. A method of positioning using a magnetic nail based downhole anchor hole positioning device according to any of claims 1-5, characterized by: the method comprises the following steps:
s1: a coding mode based on two-dimensional array positioning is as follows: the magnetic nail comprises a door-shaped bracket, a positioning strip, magnetic nails, a plurality of anchor holes and a plurality of magnetic nails, wherein the positioning strip on the door-shaped bracket is carved with a groove, the groove is filled with magnetic materials to form magnetic grooves, the magnetic grooves are divided into two types, namely an N-pole magnetic groove and an S-pole magnetic groove, the groove of each polarity corresponds to a symbol, the magnetic grooves form magnetic nails in a plurality of array arrangement modes, each magnetic nail is provided with a respective number, and the positions of the magnetic nails and the anchor holes correspond one to determine the position of the position hole;
s2: in the testing process, when magnetic induction sensor detected the magnetic pole, it detects the magnetic nail to explain position detection device, magnetic induction sensor sends signal transmission for the industrial computer, the industrial computer sends signal and punches for the roofbolter, position detection device can stop with the roofbolter simultaneously, the stock is the position in anchor eye directly over this moment, can show the serial number of current magnetic nail on the display, the anchor drilling machine chance inserts the anchor eye with the stock simultaneously, accomplish this operation, then position detection device and roofbolter continue to advance, look for next position.
7. The positioning method according to claim 6, characterized in that: each magnetic nail has respective serial numbers as follows: the N-pole magnetic grooves are represented by '0', the S-pole magnetic grooves are represented by '1', the four magnetic grooves are combined into a two-dimensional array in a 2X2 array mode to serve as magnetic nails, a certain interval is reserved between every two magnetic nails, the two magnetic grooves are compiled according to binary digital codes, and the magnetic nails correspond to the positions of the anchor holes one by one and are used for determining the positions of the bit holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110778950.7A CN113513307A (en) | 2021-07-09 | 2021-07-09 | Underground anchor hole positioning device and method based on magnetic nail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110778950.7A CN113513307A (en) | 2021-07-09 | 2021-07-09 | Underground anchor hole positioning device and method based on magnetic nail |
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| CN113513307A true CN113513307A (en) | 2021-10-19 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202772928U (en) * | 2012-09-24 | 2013-03-06 | 中国矿业大学(北京) | Underground target positioning system based on distance constraint |
| AT512072A1 (en) * | 2011-11-11 | 2013-05-15 | Leopold Horst Ing | DEVICE FOR DRILLING ANCHOR HOLES IN UNDERGROUND CONSTRUCTION |
| CN105064982A (en) * | 2015-08-03 | 2015-11-18 | 中煤科工集团西安研究院有限公司 | Precise guide butt joint equipment for coal field ground hole and target points in underground roadway and precise guide butt joint method for coal field ground hole and target points in underground roadway |
| CN209961158U (en) * | 2019-05-31 | 2020-01-17 | 保山市地下综合管廊投资管理有限责任公司 | Device for detecting length of anchor rod by magnetic induction intensity |
| CN110761816A (en) * | 2019-11-12 | 2020-02-07 | 石家庄煤矿机械有限责任公司 | Automatic jumbolter mechanism |
| CN210422488U (en) * | 2019-08-03 | 2020-04-28 | 合肥航天液压机械有限公司 | Roofbolter with adjustable high slope anchor is used |
| CN216198053U (en) * | 2021-07-09 | 2022-04-05 | 郑州旷临智能科技有限公司 | Underground anchor hole positioning device based on magnetic nail |
-
2021
- 2021-07-09 CN CN202110778950.7A patent/CN113513307A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT512072A1 (en) * | 2011-11-11 | 2013-05-15 | Leopold Horst Ing | DEVICE FOR DRILLING ANCHOR HOLES IN UNDERGROUND CONSTRUCTION |
| CN202772928U (en) * | 2012-09-24 | 2013-03-06 | 中国矿业大学(北京) | Underground target positioning system based on distance constraint |
| CN105064982A (en) * | 2015-08-03 | 2015-11-18 | 中煤科工集团西安研究院有限公司 | Precise guide butt joint equipment for coal field ground hole and target points in underground roadway and precise guide butt joint method for coal field ground hole and target points in underground roadway |
| CN209961158U (en) * | 2019-05-31 | 2020-01-17 | 保山市地下综合管廊投资管理有限责任公司 | Device for detecting length of anchor rod by magnetic induction intensity |
| CN210422488U (en) * | 2019-08-03 | 2020-04-28 | 合肥航天液压机械有限公司 | Roofbolter with adjustable high slope anchor is used |
| CN110761816A (en) * | 2019-11-12 | 2020-02-07 | 石家庄煤矿机械有限责任公司 | Automatic jumbolter mechanism |
| CN216198053U (en) * | 2021-07-09 | 2022-04-05 | 郑州旷临智能科技有限公司 | Underground anchor hole positioning device based on magnetic nail |
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