CN214373043U - Multifunctional visual mounting rod for stress sensor - Google Patents
Multifunctional visual mounting rod for stress sensor Download PDFInfo
- Publication number
- CN214373043U CN214373043U CN202120499050.4U CN202120499050U CN214373043U CN 214373043 U CN214373043 U CN 214373043U CN 202120499050 U CN202120499050 U CN 202120499050U CN 214373043 U CN214373043 U CN 214373043U
- Authority
- CN
- China
- Prior art keywords
- rod
- stress sensor
- section
- stress
- directional
- 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.)
- Active
Links
- 230000000007 visual effect Effects 0.000 title claims abstract description 17
- 238000005553 drilling Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000012937 correction Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000004382 visual function Effects 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A multifunctional visual installation rod for a stress sensor is suitable for installing a drilling stress sensor in a coal mine. The device comprises a first section of rod body, a middle rod body and a last section of rod body, wherein the front end of the first section of rod body is provided with a device barrel, and the tail end of the last section of rod body is provided with a directional mark; the front end of the device cylinder is in a V-shaped convex embedding shape and is used for coupling and lapping with a V-shaped groove at the tail part of the stress sensor; the top of the device barrel is provided with a high-definition camera with an LED illuminating lamp, and the bottom of the device barrel is provided with an inclinometer. The high-precision stress sensor has the advantages that the visual function and the error correction function in the directional installation process of the sensor are added, the success rate of the installation of the stress sensor and the accuracy of stress measurement can be improved through the high-definition camera, the inclinometer and the directional mark, the structure is simple, the operation is easy, and the visual installation, the precise positioning and the error correction of the underground coal mine drilling stress sensor are realized.
Description
Technical Field
The utility model relates to a multi-functional visual installation pole is particularly useful for installing of colliery downhole drilling stress sensor belongs to ground stress monitoring technology field.
Background
The magnitude and direction of the ground stress determine whether the surrounding rock of the mine roadway is stable, and further influence the occurrence of disaster accidents such as roof fall, rock burst and the like on the working face of the mining. Therefore, the stress magnitude, direction and distribution characteristics of the coal rock mass are key parameters for dynamic disaster prevention such as coal mine development and roadway support design, rock burst, coal and gas outburst and the like, the magnitude and direction of the ground stress in the mining range are accurately obtained, reasonable mining area development layout, roadway arrangement and support design and basic work for avoiding coal rock dynamic disasters are performed, and the method is of great importance for ensuring coal mine safety production.
At present, the ground stress measurement method adopted in the underground coal mine mainly comprises a stress relief method and a three-way stress monitoring method, both of the two methods need to construct a drill hole in the coal rock, and then a hollow inclusion or a stress sensor is respectively positioned and installed in the drill hole by utilizing an installation rod. Because the drilling length is longer, the drilling easily appears bending deformation, the pore wall falls the sediment, and inclusion and sensor easily take place unexpected condition such as deflection, slip to the inside condition of drilling can not in time be ascertained, therefore hollow inclusion and stress transducer often are difficult to the accurate location installation, and this also leads to parameters such as ground stress size and direction to be difficult to the accurate acquisition.
Aiming at the problems, the multifunctional mounting rod capable of realizing in-hole visualization, accurate positioning and convenient use is provided, and has important significance for improving the success rate of in-hole instrument mounting and the measurement accuracy.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the technology, the multifunctional visual mounting rod of the stress sensor is simple in structure and easy to operate, can realize visual mounting, accurate positioning and error correction of the stress sensor in the drilling hole, and improves the success rate and the measuring accuracy of mounting in the hole.
In order to realize the technical purpose, the utility model discloses a stress sensor's multi-functional visual installation pole, its characterized in that: it includes body of rod part, a device section of thick bamboo and stress sensor, a device section of thick bamboo sets up the front end at body of rod part, and the tail end of body of rod part is equipped with directional sign, and wherein the afterbody of a device section of thick bamboo is linked with body of rod part front end, and the head of a device section of thick bamboo passes through quick connector to be connected with stress sensor, and wherein is equipped with inclinometer and wireless transmitter in the device section of thick bamboo, and the detection data of inclinometer sends through wireless transmitter.
The body of rod part including the first section body of rod, middle body of rod and the end section body of rod, fixed through positioning bolt between the first section body of rod, middle body of rod and the end section body of rod, make each section body of rod be fixed in on same azimuth axis, directional sign sets up the afterbody at the end section body of rod, wherein middle body of rod is equipped with many end to end as required.
The quick connector comprises a V-shaped convex embedded and a V-shaped groove which are horizontally arranged, wherein the V-shaped convex embedded is arranged at the front end of the device cylinder, the V-shaped groove is arranged at the tail end of the stress sensor, and the sizes of the V-shaped convex embedded and the V-shaped groove are matched.
The tail end of the rod body part is provided with a directional mark for marking the angle of the V-shaped convex embedding, and when the directional mark is positioned at a 12 point, the V-shaped convex embedding is just horizontally arranged; the device barrel is conveyed into a drilling process through the rod body part, and the directional mark is utilized to ensure that the pushing process is always along a certain fixed direction, so that directional installation is realized.
The high-definition camera with the LED illuminating lamp is arranged on one side of the V-shaped convex embedding part at the top of the device barrel, a wireless transmitting chip is arranged in the high-definition camera with the LED illuminating lamp, and collected data in a drill hole can be transmitted to a host computer outside the drill hole through a wireless transmitter to be displayed.
The front end of the stress sensor is provided with an X-direction stress elastic sheet, the horizontal direction of the side wall is provided with a Y-direction stress elastic sheet, and the top end of the side wall is provided with a Z-direction stress elastic sheet.
Has the advantages that:
the angle of the stress sensor in the V-shaped convex embedded shape and the angle of the stress sensor in the V-shaped groove shape are unchanged in the process of being installed in a drill hole through the directional mark arranged at the tail end of the rod body, the first rod body, the middle rod body and the last rod body are sequentially connected through the positioning bolt, so that the first rod body, the middle rod body and the last rod body are fixed on the same azimuth axis and do not deflect, the stress sensor is pushed to the bottom of the drill hole according to the preset direction, and the installation direction is corrected according to the directional mark in the process. The rod body is easily separated from the stress sensor, the sensor is prevented from deflecting, and the stress sensor is always in a correct position. The whole installation process is simple and easy to operate, and the high-definition camera with the LED illuminating lamp is matched to solve the orientation problem of the stress sensor in the process of loading into the drill hole.
An inclinometer arranged below the device barrel can record the track conditions such as the angle and the deflection of a drilled hole along with the pushing of the mounting rod, and transmits observation data to the screen terminal through wireless WIFI. By analyzing the track data of the drilled hole, the error correction is carried out on the measuring result of the stress, the precision of stress measurement is ensured, and the method can also be used for correcting and optimizing the parameter design and construction of subsequent drilling so as to continuously improve the installation power of the stress sensor and the stress measurement accuracy.
Drawings
Fig. 1 is a schematic structural view of the multifunctional visual mounting rod of the stress sensor of the present invention.
Fig. 2 is a side view of a device cartridge in accordance with the present invention.
Fig. 3 is a schematic view of the stress sensor of the utility model with a V-shaped groove at the tail end.
Description of reference numerals: 1-a device cartridge; 2-first section of rod body; 3-a middle rod body; 4-last rod body; 5-positioning the bolt; 6-a high-definition camera with an LED illuminating lamp; 7-inclinometer; 8-orientation mark; 9- "V" shape convex inlay; 10- "V" shaped groove; 11-a stress sensor; a 12-X direction stress spring plate; a 13-Y direction stress spring plate; 14-Z direction stress spring plate; 15-a wireless transmitter; 16-explosion-proof computer.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and 3, the utility model discloses a stress sensor's multi-functional visual installation pole, including body of rod part, a device section of thick bamboo 1 and stress sensor 11, stress sensor 11 front end is equipped with X to stress shell fragment 12, and the lateral wall horizontal direction is equipped with Y to stress shell fragment 13, and the lateral wall top is equipped with Z to stress shell fragment 14.
The device barrel 1 is arranged at the front end of the rod body part, the tail end of the rod body part is provided with a directional mark 8, the tail part of the device barrel 1 is connected with the front end of the rod body part, the head part of the device barrel 1 is connected with a stress sensor 11 through a quick connector, the quick connector comprises a V-shaped convex embedded 9 and a V-shaped groove 10 which are horizontally arranged, the V-shaped convex embedded 9 is arranged at the front end of the device barrel 1, the V-shaped groove 10 is arranged at the tail end of the stress sensor 11, the structure of the stress sensor and the structure of the stress sensor are matched, the tail end of the rod body part is provided with a directional mark 8 for marking the angle of the V-shaped convex embedded 9, and when the directional mark 8 is positioned at a 12 point, the V-shaped convex embedded 9 is just horizontally arranged; the device barrel 1 is conveyed into a drilling process through the rod body part, and the directional mark 8 is used for ensuring that the pushing process is always along a certain fixed direction, so that directional installation is realized. Wherein, an inclinometer 7 and a wireless transmitter 15 are arranged in the device cylinder 1, and the detection data of the inclinometer 7 is sent out by the wireless transmitter 15.
As shown in fig. 2, a high-definition camera 6 with an LED lighting lamp is arranged on one side of a V-shaped convex inlay 9 at the top of the device barrel 1, a wireless transmitting chip is arranged in the high-definition camera 6 with the LED lighting lamp, and the collected data in the drill hole can be transmitted to an explosion-proof computer 16 outside the drill hole through a wireless transmitter 15 to display the position of the stress sensor 11 in real time.
Wherein the body of rod part is including the first section body of rod 2, the middle body of rod 3 and the end section body of rod 4, is equipped with positioning bolt 5 between the first section body of rod 2, the middle body of rod 3 and the end section body of rod 4 and fixes, makes each section body of rod be fixed in on the same azimuth axis, and directional sign 8 sets up the afterbody at the end section body of rod 4, and wherein middle body of rod 3 is equipped with many end to end as required.
During operation, before three-dimensional ground stress measurement, the device barrel 1 is welded at the front end of the first section of rod body 2 on the ground, the high-definition camera 6 with the LED illuminating lamp, the inclinometer 7 and the wireless transmitter 15 are arranged on the device barrel 1, and the orientation mark 8 is arranged at the tail end of the last section of rod body 4 according to the design direction.
And (3) drilling holes in the underground stress measurement place by using a drilling machine, wherein the drilling angle and the drilling depth are strictly designed according to design parameters, and the coal dust or rock slag in the holes are emptied.
Coupling and lapping a V-shaped convex insert 9 at the front end of the device cylinder 1 and a V-shaped groove 10 at the tail end of a stress sensor 11, and pushing the stress sensor 11 into a drill hole through a first section of rod body 2; then, the middle rod body 3 is connected with the first-section rod body 2 through a positioning bolt 5, and the stress sensor 11 is pushed to the deep part of the drilled hole through the middle rod body 3; using a plurality of sections of middle rod bodies 3 according to the length of the drilled hole, and connecting the middle rod bodies 3 in sequence by positioning bolts 5; and finally, connecting the tail rod body 4 with the middle rod body 3 by using a positioning bolt 5, and pushing the stress sensor 11 to the bottom of the drill hole through the tail rod body 4.
In the pushing process of the stress sensor 11, the direction and the position of the stress sensor 11 are adjusted by using the high-definition camera 6, the inclinometer 7 and the orientation mark 8. The LED light makes high definition digtal camera 6 in the drilling environment of coating with black, also can have better field of vision, high definition digtal camera 6 passes through wireless transmitter 15 real-time transmission to explosion-proof computer 16 with the drilling condition in the installation, inclinometer 7 passes through wireless transmitter 15 real-time transmission to explosion-proof computer 16 with data such as angle, roughness and orbit of drilling, according to high definition digtal camera 6 and inclinometer 7's real-time data and directional sign 8's position, in time adjust stress sensor 11's installation direction, until pushing stress sensor 11 to the drilling bottom, make the installation realize visual, improve stress sensor 11's installation power and degree of accuracy.
After the stress sensor 11 is successfully installed, the rod body is sequentially and slowly drawn out along the drill hole, the V-shaped convex embedded 9 and the V-shaped groove 10 are automatically separated, and the stress sensor 11 is ensured not to deflect and is in a static state. The positioning bolt 5 is dismantled section by section after the rod body withdraws from the drilling, and the tail rod body 4, the middle rod body 3, the first rod body 2 and the device barrel 1 are sequentially recovered so as to repeatedly use the installation rod.
And analyzing the transmission data of the high-definition camera 6 and the inclinometer 7 in the installation process of the stress sensor 11, correcting the error of the stress measurement result of the measuring point, and optimizing the drilling parameter design of the subsequent measuring point, the installation of the sensor and the like.
Claims (6)
1. A multi-functional visual installation pole for stress sensor which characterized in that: it includes body of rod part, a device section of thick bamboo (1) and stress sensor (11), a device section of thick bamboo (1) sets up the front end at body of rod part, and the tail end of body of rod part is equipped with directional sign (8), and wherein the afterbody and the body of rod part front end of a device section of thick bamboo (1) are linked, and the head of a device section of thick bamboo (1) is passed through quick connector and is connected with stress sensor (11), and wherein be equipped with inclinometer (7) and wireless transmitter (15) in a device section of thick bamboo (1), and the detection data of inclinometer (7) are sent out through wireless transmitter (15).
2. The multifunctional visual mounting bar for a stress sensor of claim 1, wherein: the body of rod part include the first section body of rod (2), the middle body of rod (3) and the end section body of rod (4), it is fixed to be equipped with positioning bolt (5) between the first section body of rod (2), the middle body of rod (3) and the end section body of rod (4), make each section body of rod be fixed in on same azimuth axis, directional sign (8) set up the afterbody at the end section body of rod (4), wherein middle body of rod (3) are equipped with many end to end as required.
3. The multifunctional visual mounting bar for a stress sensor of claim 1, wherein: the quick connector comprises a V-shaped convex embedding (9) and a V-shaped groove (10) which are horizontally arranged, wherein the V-shaped convex embedding (9) is arranged at the front end of the device barrel (1), the V-shaped groove (10) is arranged at the tail end of the stress sensor (11), and the sizes of the V-shaped convex embedding and the V-shaped groove are matched.
4. The multifunctional visual mounting bar for a stress sensor of claim 3, wherein: the tail end of the rod body part is provided with a directional mark (8) for marking the angle of the V-shaped convex inlay (9), and when the directional mark (8) is positioned at the 12-point position, the V-shaped convex inlay (9) is just horizontally arranged; the device barrel (1) is conveyed into a drilling process through the rod body part, and the directional mark (8) is utilized to ensure that the pushing process is always along a certain fixed direction, so that directional installation is realized.
5. The multifunctional visual mounting bar for a stress sensor of claim 1, wherein: the device is characterized in that a high-definition camera (6) with an LED illuminating lamp is arranged on one side of the V-shaped convex embedding part (9) at the top of the device barrel (1), a wireless transmitting chip is arranged in the high-definition camera (6) with the LED illuminating lamp, and collected data in a drill hole can be transmitted to an explosion-proof computer (16) outside the drill hole through a wireless transmitter (15) to be displayed.
6. The multifunctional visual mounting bar for a stress sensor of claim 1, wherein: the front end of the stress sensor (11) is provided with an X-direction stress elastic sheet (12), the horizontal direction of the side wall is provided with a Y-direction stress elastic sheet (13), and the top end of the side wall is provided with a Z-direction stress elastic sheet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120499050.4U CN214373043U (en) | 2021-03-09 | 2021-03-09 | Multifunctional visual mounting rod for stress sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120499050.4U CN214373043U (en) | 2021-03-09 | 2021-03-09 | Multifunctional visual mounting rod for stress sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214373043U true CN214373043U (en) | 2021-10-08 |
Family
ID=77970603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120499050.4U Active CN214373043U (en) | 2021-03-09 | 2021-03-09 | Multifunctional visual mounting rod for stress sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214373043U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035224A (en) * | 2021-10-27 | 2022-02-11 | 山东鲁泰控股集团有限公司鹿洼煤矿 | Device and method for realizing three-component mineral earthquake monitoring by utilizing single-component micro-earthquake probe |
| CN114088262A (en) * | 2021-11-25 | 2022-02-25 | 中国矿业大学 | Hollow inclusion stress meter with visual guiding and positioning functions and use method |
-
2021
- 2021-03-09 CN CN202120499050.4U patent/CN214373043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114035224A (en) * | 2021-10-27 | 2022-02-11 | 山东鲁泰控股集团有限公司鹿洼煤矿 | Device and method for realizing three-component mineral earthquake monitoring by utilizing single-component micro-earthquake probe |
| CN114088262A (en) * | 2021-11-25 | 2022-02-25 | 中国矿业大学 | Hollow inclusion stress meter with visual guiding and positioning functions and use method |
| CN114088262B (en) * | 2021-11-25 | 2023-11-17 | 中国矿业大学 | Hollow inclusion stress meter with visual guiding and positioning functions and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214373043U (en) | Multifunctional visual mounting rod for stress sensor | |
| CN101892830B (en) | Deep ground stress measurement while drilling (MWD) system | |
| CN109403954B (en) | Real-time drilling inclinometry deviation correcting device | |
| CN101482409B (en) | Rock fissure direction and obliquity measuring method | |
| CN104807563B (en) | Stress test device in a non-contact manner and method based on drilling microscopic digital shooting | |
| CN103513016B (en) | Adopt the soft rock multi-measuring point detecting earth stress method of sensing post | |
| CN201246102Y (en) | Drilling positioner | |
| CN102536196B (en) | System and method for underground attitude measurement based on laser ranging and acceleration measurement | |
| CN103528718B (en) | Adopt the soft rock multi-measuring point detecting earth stress method of connecting link | |
| CN201059959Y (en) | All-station instrument and photogrammetric survey deformation monitoring dual-purpose target | |
| CN111879314B (en) | Multi-sensor fusion roadway driving equipment real-time positioning system and method | |
| CN207007177U (en) | A kind of drill jumbo fast positioning automatic measurement system | |
| CN111411942A (en) | Ground stress testing device and method for trepanning stress relief method | |
| CN212716432U (en) | Pre-evaluation device for coal bed rock burst danger advanced drilling measurement | |
| CN101975065A (en) | Method for measuring mining stress of coal mine tunnel | |
| CN213067542U (en) | Device for measuring inclination angle of blast hole | |
| CN204007365U (en) | A kind of cloth hole instrument that can accurately arrange surface blasting big gun hole site | |
| CN107702638A (en) | Country rock excavation deformation overall process monitoring system and application method | |
| CN112814658B (en) | Flexible inclinometry system and method for ultra-short radius well | |
| CN115060183B (en) | Monitoring and early warning device for mine excavation induced water burst sand burst | |
| CN211174087U (en) | Pressure measurement probe tube for underground coal mine drilling track | |
| CN202485845U (en) | Device for monitoring lateral bearing pressure of stoping tunnel | |
| CN213932334U (en) | Sensing integrated device and deep well inclination measuring detection monitoring device | |
| CN213874043U (en) | Hydraulic ring geological crack measuring device | |
| CN211060903U (en) | Blasting hole angle measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |