CN116006155A - Automatic adjustment device for monitoring charge depth of coal rock in drilling and use method - Google Patents
Automatic adjustment device for monitoring charge depth of coal rock in drilling and use method Download PDFInfo
- Publication number
- CN116006155A CN116006155A CN202211681542.0A CN202211681542A CN116006155A CN 116006155 A CN116006155 A CN 116006155A CN 202211681542 A CN202211681542 A CN 202211681542A CN 116006155 A CN116006155 A CN 116006155A
- Authority
- CN
- China
- Prior art keywords
- charge
- coal
- coal rock
- circular ring
- positioning
- 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.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 93
- 239000011435 rock Substances 0.000 title claims abstract description 84
- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 230000006698 induction Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000013508 migration Methods 0.000 abstract description 2
- 230000005012 migration Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 230000005684 electric field Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention discloses a drilling coal rock charge depth monitoring automatic adjusting device and a using method thereof. The invention can realize that the coal-rock charge sensor is automatically arranged in the pressure relief hole in a centered manner without contacting the coal-rock mass and blocking the migration channel of the charge sensor induced charges. The invention can effectively improve the charge monitoring quality of the coal and rock and the uniformity of monitoring the radial range of the drilling hole, improve the accuracy of the test value and provide safety guarantee for production.
Description
Technical Field
The invention belongs to the technical field of coal mine roadway monitoring and early warning equipment, and particularly relates to an automatic adjusting device for monitoring the charge depth of drilling coal and rock and a using method.
Background
The coal rock deformation and rupture process has charge generation, the charge signal generated in the coal rock deformation and rupture process is closely related to the coal rock dynamic process, a large amount of information of the coal rock deformation and rupture physical mechanical process is contained, and the change rule of the charge signal can comprehensively reflect the destruction characteristics of the coal rock at each stage in the rock burst inoculation and occurrence process, so that the occurrence of rock burst can be predicted based on the charge signal monitoring of the coal rock mass.
The material structure of the coal rock determines that the deformation and the fracture of the coal rock generate weak charge signals, and the weak charge signals are limited by the detection technology and are not easy to detect. Based on the weak current characteristics, only weak current observation instruments and methods can be used for finding and extracting useful information.
The coal rock breaking electric field is a weak electric field, and only according to the regular characteristics of the weak electric field, the weak electric observation instrument and the method are expected to find and extract dynamic disaster precursor information, while the charge monitoring method overcomes the defects that the coal rock breaking electric field is difficult to identify and extract and the interference is strong and difficult to remove due to the characteristics of non-contact, continuity, strong anti-interference performance, low cost and the like. The charge induction law of the deformation and rupture process of the coal rock is the basis for predicting the occurrence of rock burst by adopting a charge induction technology. Therefore, the research on the charge induction rule of the coal rock deformation and rupture process by using the charge induction method and the self-developed charge induction instrument has important scientific significance and practical value both at present and in long term.
At present, no device for monitoring coal rock charge induction depth law exists underground coal mines, basically, a pressure relief hole is drilled in the roadway side part, a charge sensor is directly placed at a drilling hole opening, a coal rock charge monitor is used for directly carrying out charge induction monitoring, and the coal rock charge induction law under different depths cannot be obtained. The underground working environment of the coal mine is complex, the underground working environment has the characteristics of moisture, high coal dust and the like, and the charge sensor is a sensitive element, and can cause the problems of charge monitoring distortion, charge quantity sudden increase, nonuniform monitoring in the radial range of the drilling hole and the like when being contacted with the coal dust and the water vapor.
Therefore, the development of the coal rock charge induction depth rule regulating device can enable the charge sensor to be coaxial with the drill hole automatically in the drill hole, not directly contact with the coal rock mass on the wall of the drill hole, and can be urgent by increasing the number of the same auxiliary devices and the coal rock charge induction depth rule regulating device controlled by automatic movement.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the automatic regulating device for monitoring the charge depth of the coal rock in the drilling and the using method thereof, which can lead the charge sensor to be automatically arranged in the drilling in a centering way without contacting the coal rock body, and simultaneously can automatically move and regulate the charge induction rule monitoring at different drilling depths along the axial direction of the drilling, thereby effectively improving the charge monitoring quality of the coal rock and the uniformity of monitoring the radial range of the drilling, and greatly promoting the realizability of the research on the charge induction rule of the depth of the coal rock.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a drilling coal petrography charge degree of depth monitoring automatic regulating apparatus, includes coal petrography charge monitor and a plurality of tube-shape mounting bracket that evenly arranges along fore-and-aft direction, and every tube-shape mounting bracket is inside all to be equipped with a coal petrography charge sensor, all establishes ties through a conductive rope between the adjacent coal petrography charge sensor and between foremost coal petrography charge sensor and the coal petrography charge monitor, and every tube-shape mounting bracket evenly sets up three radial flexible centering guide mechanism along the circumferencial direction.
The cylindrical mounting frame comprises a front circular ring, a rear circular ring and six axial connecting plates, the front circular ring and the rear circular ring are in front-back correspondence, each two axial connecting plates form a group of parallel chute structures, and the three groups of parallel chute structures are uniformly arranged along the circumferential directions of the front circular ring and the rear circular ring; the two axial connecting plates of each group of parallel chute structure are arranged in parallel, and guide grooves perpendicular to the central connecting lines of the front circular ring and the rear circular ring are formed in the inner walls of the two axial connecting plates of each group of parallel chute structure.
The three radial telescopic centering positioning guide mechanisms are identical in structure, one radial telescopic centering positioning guide mechanism is arranged in each group of parallel chute structures, each radial telescopic centering positioning guide mechanism comprises a support plate, a miniature cylinder and a positioning plate, the inner side surface of each positioning plate is flush with the inner side edge of each axial connecting plate, the support plates are fixedly arranged between the middle parts of the two parallel axial connecting plates, the miniature cylinders are parallel to the guide grooves, the inner ends of the cylinders of the miniature cylinders are fixed on the support plates, the positioning plates are in sliding connection between the two parallel axial connecting plates, and guide bars in sliding fit with the guide grooves are integrally arranged on the two side surfaces of each positioning plate; the micro cylinder is connected with the air pressure control system through a high-pressure air pipe; the outer side of the positioning plate is fixedly provided with a long slat, the outer surface of the long slat is rotationally provided with two groups of explosion-proof electric pulleys at intervals, and the front side of the front ring is provided with a conical remote control antenna which is respectively transmitted with the explosion-proof electric pulleys on the three positioning plates through wireless signals.
The support plate is provided with a unthreaded hole, the excircle of the inner end of the cylinder body of the micro cylinder is provided with a limiting ring, the inner end of the cylinder body of the micro cylinder penetrates through the unthreaded hole and is in threaded connection with a fastening nut, the fastening nut is in pressure connection with the inner side surface of the support plate, the limiting ring is in pressure connection with the outer side surface of the support plate, the inner side edge of the positioning plate is provided with a threaded hole, and a piston rod of the micro cylinder extends into and is in threaded connection with the threaded hole.
The shell shape of the coal rock charge sensor is a cylinder, the coal rock charge sensor is coaxially arranged in a hollow cylindrical space formed by surrounding six axial connecting plates between a front circular ring and a rear circular ring, the front circular ring is connected with the outer circle of the front end of the shell of the coal rock charge sensor through a front screw arranged in the radial direction, and the rear circular ring is connected with the outer circle of the rear end of the shell of the coal rock charge sensor through a rear screw arranged in the radial direction.
The application method of the automatic drilling coal rock charge depth monitoring and adjusting device comprises the following steps of:
(1) Drilling pressure relief holes in a coal mine underground roadway according to technical parameters;
(2) The radial telescopic centering positioning guide mechanism is arranged among three groups of parallel chute structures of the cylindrical mounting frame;
(3) Penetrating the coal rock charge sensor into a hollowed cylindrical space surrounded by six axial connecting plates from the front circular ring, screwing a front screw and a rear screw, and fixing the coal rock charge sensor and the cylindrical mounting frame into a monitor;
(4) According to the depth of the pressure relief hole, connecting conductive ropes between the coal rock charge sensor and the plurality of coal rock charge sensors in sequence;
(5) Firstly placing a rearmost monitor into the orifice of the pressure relief hole; starting an air pressure control system, synchronously extending piston rods of the three micro-cylinders to enable the three positioning plates to synchronously move outwards in the radial direction until the positioning plates are in contact with the top of the wall of the pressure relief hole, automatically centering the coal-rock charge sensor and the drill hole, and closing the air pressure control system after the explosion-proof electric pulley is adjusted in place, wherein the piston rods of the three micro-cylinders keep a constant position;
(6) Through operating the remote controller, transmitting signals to six explosion-proof electric pulleys through a conical remote control antenna, and synchronously rotating the explosion-proof electric pulleys to move backwards along the wall of the pressure relief hole;
(7) Then placing the last and last monitors into the orifice of the pressure relief hole, repeating the steps (5) and (6) until the front monitor is placed into the orifice of the pressure relief hole, remotely controlling all the explosion-proof electric pulleys to rotate, moving all the monitors backwards to a designated position along the wall of the pressure relief hole, enabling the conductive rope between two adjacent monitors to be in a tensioning state, and closing the remote controller;
(8) And starting the coal rock charge monitor, receiving signals monitored in the pressure relief holes by all the coal rock charge sensors, and monitoring the charge induction depth rule.
The specific process of the step (2) is as follows: the method comprises the steps of connecting a piston rod screw of a micro cylinder into a threaded hole on a positioning plate, extending the positioning plate between two axial connecting plates, correspondingly inserting a guide bar into a guide groove until the end part of a cylinder body of the micro cylinder passes through a unthreaded hole on a support plate, screwing a fastening nut to the end part of the cylinder body, clamping the fastening nut by using a spanner, positioning and fastening the cylinder body, and enabling a high-pressure air pipe connected with the cylinder body of the micro cylinder to pass forward along the position between the two axial connecting plates on the inner side of the positioning plate.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the invention has scientific principle, simple structure, easy manufacture and convenient installation, the positioning plate can retract and change diameter after use, the pressure relief hole can be conveniently withdrawn, and the engineering practical value is remarkable.
2. The invention can realize that the coal-rock charge sensor is automatically arranged in the pressure relief hole in a centered manner without contacting the coal-rock mass and blocking the migration channel of the charge sensor induced charges.
3. The invention can effectively improve the charge monitoring quality of the coal and rock and the uniformity of monitoring the radial range of the drilling hole, improve the accuracy of the test value and provide safety guarantee for production.
4. The invention can realize the charge sensing rule monitoring of the charge sensor in the drill hole by automatically moving along the axial direction of the drill hole.
5. The method greatly promotes the feasibility of the research on the depth charge induction rule of the coal rock.
Drawings
Fig. 1 is a schematic diagram of a coal rock charge monitoring field application.
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a perspective view of the cylindrical mounting bracket.
Fig. 4 is a perspective view of the positioning plate.
FIG. 5 is a schematic view of the installation between a microcylinder and a support plate;
fig. 6 is an enlarged view of the slat and the explosion-proof electric pulley.
Detailed Description
As shown in fig. 1-6, the automatic drilling coal rock charge depth monitoring and adjusting device comprises a coal rock charge monitor 2 and a plurality of cylindrical mounting frames uniformly arranged along the front-back direction, wherein each cylindrical mounting frame is internally provided with a coal rock charge sensor 1, and three radial telescopic centering positioning guide mechanisms are uniformly arranged along the circumferential direction of each cylindrical mounting frame, and are connected in series through a conductive rope 4 between the adjacent coal rock charge sensors 1 and between the foremost coal rock charge sensor 1 and the coal rock charge monitor 2.
The cylindrical mounting frame comprises a front circular ring 5, a rear circular ring 6 and six axial connecting plates 7, wherein the front circular ring 5 and the rear circular ring 6 correspond to each other front and back, each two axial connecting plates 7 form a group of parallel chute structures, and the three groups of parallel chute structures are uniformly arranged along the circumferential directions of the front circular ring 5 and the rear circular ring 6; the two axial connecting plates 7 of each group of parallel chute structure are arranged in parallel, and the inner walls of the two axial connecting plates 7 of each group of parallel chute structure are provided with guide grooves 8 perpendicular to the central connecting lines of the front circular ring 5 and the rear circular ring 6.
The three radial telescopic centering positioning guide mechanisms are identical in structure, one radial telescopic centering positioning guide mechanism is arranged in each group of parallel chute structures, each radial telescopic centering positioning guide mechanism comprises a support plate 9, a miniature air cylinder 10 and a positioning plate 11, the inner side surface of each positioning plate 11 is flush with the inner side edges of the corresponding axial connecting plates 7, the support plates 9 are fixedly arranged between the middle parts of the two parallel axial connecting plates 7, the miniature air cylinders 10 are parallel to the guide grooves 8, the inner ends of the cylinders of the miniature air cylinders 10 are fixed on the support plates 9, the positioning plates 11 are slidably connected between the two parallel axial connecting plates 7, and guide bars 12 which are slidably matched with the guide grooves 8 are integrally arranged on the two side surfaces of each positioning plate 11; the micro cylinder 10 is connected with an air pressure control system through a high-pressure air pipe; the outer side of the positioning plate 11 is fixedly provided with a long slat 21, the outer surface of the long slat 21 is rotationally provided with two explosion-proof electric pulleys 16 which are spaced front and back, and the front side of the front circular ring 5 is provided with a conical remote control antenna 17 which is respectively transmitted with the explosion-proof electric pulleys 16 on the three positioning plates 11 through wireless signals.
The support plate 9 is provided with a unthreaded hole, the excircle of the inner end of the cylinder body of the micro cylinder 10 is provided with a limiting ring 13, the inner end of the cylinder body of the micro cylinder 10 penetrates through the unthreaded hole and is in threaded connection with a fastening nut 14, the fastening nut 14 is in pressure connection with the inner side surface of the support plate 9, the limiting ring 13 is in pressure connection with the outer side surface of the support plate 9, the inner side edge of the positioning plate 11 is provided with a threaded hole 15, and a piston rod of the micro cylinder 10 extends into and is in threaded connection with the threaded hole 15.
The shell shape of the coal rock charge sensor 1 is a cylinder, the coal rock charge sensor 1 is coaxially arranged in a hollow cylindrical space surrounded by six axial connecting plates 7 between a front circular ring 5 and a rear circular ring 6, the front circular ring 5 is connected with the outer circle of the front end of the shell of the coal rock charge sensor 1 through a front screw 18 which is radially arranged, and the rear circular ring 6 is connected with the outer circle of the rear end of the shell of the coal rock charge sensor 1 through a rear screw 19 which is radially arranged.
The application method of the automatic drilling coal rock charge depth monitoring and adjusting device comprises the following steps of:
(1) Drilling pressure relief holes 20 into the coal body 3 according to technical parameters in a coal mine underground roadway;
(2) The radial telescopic centering positioning guide mechanism is arranged among three groups of parallel chute structures of the cylindrical mounting frame;
(3) Penetrating the coal rock charge sensor 1 into a hollowed cylindrical space surrounded by six axial connecting plates 7 from the front circular ring 5, screwing a front screw 18 and a rear screw 19, and fixing the coal rock charge sensor 1 and the cylindrical mounting frame into a monitor;
(4) According to the depth of the pressure relief hole 20, connecting the coal rock charge sensor 1 and a plurality of coal rock charge sensors 1 with a conductive rope 4 in sequence;
(5) The rearmost monitor is first placed into the orifice of the pressure relief vent 20; starting an air pressure control system, synchronously extending piston rods of the three micro cylinders 10, enabling the three positioning plates 11 to synchronously move outwards in the radial direction until the positioning plates 11 are in contact with the hole wall top of the pressure relief hole 20, automatically centering the coal-rock charge sensor 1 and the drill hole, and closing the air pressure control system after the explosion-proof electric pulley 16 is adjusted in place, wherein the piston rods of the three micro cylinders 10 keep a constant position;
(6) By operating the remote controller, a signal is transmitted to six explosion-proof electric pulleys 16 through a conical remote control antenna 17, the explosion-proof electric pulleys 16 synchronously rotate and move backwards along the wall of the pressure relief hole 20;
(7) Then placing the last and last monitors into the hole opening of the pressure relief hole 20, repeating the steps (5) and (6) until the front-most monitor is placed into the hole opening of the pressure relief hole 20, remotely controlling all the explosion-proof electric pulleys 16 to rotate, moving all the monitors backwards to a designated position along the hole wall of the pressure relief hole 20, enabling the conductive rope 4 between two adjacent monitors to be in a tensioning state, and closing the remote controller;
(8) The coal rock charge monitor 2 is started, signals monitored in the pressure relief holes 20 by all the coal rock charge sensors 1 are received, and charge induction depth rule monitoring is carried out.
The specific process of the step (2) is as follows: the piston rod screw of the micro cylinder 10 is connected into the threaded hole 15 on the positioning plate 11, then the positioning plate 11 is inserted between the two axial connecting plates 7, the guide bar 12 is correspondingly inserted into the guide groove 8 until the end of the cylinder body of the micro cylinder 10 passes through the unthreaded hole on the support plate 9, then the fastening nut 14 is screwed to the end of the cylinder body, the fastening nut 14 is clamped by a wrench, the cylinder body is positioned and fastened, and a high-pressure air pipe connected with the cylinder body of the micro cylinder 10 passes forward along the space between the two axial connecting plates 7 at the inner side of the positioning plate 11.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and the invention is not limited to the above, but is capable of modification and equivalents of some of the features described in the foregoing embodiments, and any modification, equivalents, improvements and etc. within the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The utility model provides a drilling coal petrography charge degree of depth monitoring automatic regulating apparatus which characterized in that: including coal petrography charge monitor and a plurality of tube-shape mounting bracket of evenly arranging along fore-and-aft direction, every tube-shape mounting bracket is inside to all be equipped with a coal petrography charge sensor, all establishes ties through a conductive rope between the adjacent coal petrography charge sensor and between foremost coal petrography charge sensor and the coal petrography charge monitor, every tube-shape mounting bracket evenly sets up three radial flexible centering guide mechanism along the circumferencial direction.
2. The automatic drilling coal rock charge depth monitoring and adjusting device according to claim 1, wherein: the cylindrical mounting frame comprises a front circular ring, a rear circular ring and six axial connecting plates, the front circular ring and the rear circular ring are in front-back correspondence, each two axial connecting plates form a group of parallel chute structures, and the three groups of parallel chute structures are uniformly arranged along the circumferential directions of the front circular ring and the rear circular ring; the two axial connecting plates of each group of parallel chute structure are arranged in parallel, and guide grooves perpendicular to the central connecting lines of the front circular ring and the rear circular ring are formed in the inner walls of the two axial connecting plates of each group of parallel chute structure.
3. The automatic drilling coal rock charge depth monitoring and adjusting device according to claim 2, wherein: the three radial telescopic centering positioning guide mechanisms are identical in structure, one radial telescopic centering positioning guide mechanism is arranged in each group of parallel chute structures, each radial telescopic centering positioning guide mechanism comprises a support plate, a miniature cylinder and a positioning plate, the inner side surface of each positioning plate is flush with the inner side edge of each axial connecting plate, the support plates are fixedly arranged between the middle parts of the two parallel axial connecting plates, the miniature cylinders are parallel to the guide grooves, the inner ends of the cylinders of the miniature cylinders are fixed on the support plates, the positioning plates are in sliding connection between the two parallel axial connecting plates, and guide bars in sliding fit with the guide grooves are integrally arranged on the two side surfaces of each positioning plate; the micro cylinder is connected with the air pressure control system through a high-pressure air pipe; the outer side of the positioning plate is fixedly provided with a long slat, the outer surface of the long slat is rotationally provided with two groups of explosion-proof electric pulleys at intervals, and the front side of the front ring is provided with a conical remote control antenna which is respectively transmitted with the explosion-proof electric pulleys on the three positioning plates through wireless signals.
4. A borehole coal rock charge depth monitoring automatic regulating apparatus according to claim 3, wherein: the support plate is provided with a unthreaded hole, the excircle of the inner end of the cylinder body of the micro cylinder is provided with a limiting ring, the inner end of the cylinder body of the micro cylinder penetrates through the unthreaded hole and is in threaded connection with a fastening nut, the fastening nut is in pressure connection with the inner side surface of the support plate, the limiting ring is in pressure connection with the outer side surface of the support plate, the inner side edge of the positioning plate is provided with a threaded hole, and a piston rod of the micro cylinder extends into and is in threaded connection with the threaded hole.
5. The automatic drilling coal rock charge depth monitoring and adjusting device according to claim 4, wherein: the shell shape of the coal rock charge sensor is a cylinder, the coal rock charge sensor is coaxially arranged in a hollow cylindrical space formed by surrounding six axial connecting plates between a front circular ring and a rear circular ring, the front circular ring is connected with the outer circle of the front end of the shell of the coal rock charge sensor through a front screw arranged in the radial direction, and the rear circular ring is connected with the outer circle of the rear end of the shell of the coal rock charge sensor through a rear screw arranged in the radial direction.
6. The use method of the automatic drilling coal rock charge depth monitoring and adjusting device is characterized in that: the method comprises the following steps:
(1) Drilling pressure relief holes in a coal mine underground roadway according to technical parameters;
(2) The radial telescopic centering positioning guide mechanism is arranged among three groups of parallel chute structures of the cylindrical mounting frame;
(3) Penetrating the coal rock charge sensor into a hollowed cylindrical space surrounded by six axial connecting plates from the front circular ring, screwing a front screw and a rear screw, and fixing the coal rock charge sensor and the cylindrical mounting frame into a monitor;
(4) According to the depth of the pressure relief hole, connecting conductive ropes between the coal rock charge sensor and the plurality of coal rock charge sensors in sequence;
(5) Firstly placing a rearmost monitor into the orifice of the pressure relief hole; starting an air pressure control system, synchronously extending piston rods of the three micro-cylinders to enable the three positioning plates to synchronously move outwards in the radial direction until the positioning plates are in contact with the top of the wall of the pressure relief hole, automatically centering the coal-rock charge sensor and the drill hole, and closing the air pressure control system after the explosion-proof electric pulley is adjusted in place, wherein the piston rods of the three micro-cylinders keep a constant position;
(6) Through operating the remote controller, transmitting signals to six explosion-proof electric pulleys through a conical remote control antenna, and synchronously rotating the explosion-proof electric pulleys to move backwards along the wall of the pressure relief hole;
(7) Then placing the last and last monitors into the orifice of the pressure relief hole, repeating the steps (5) and (6) until the front monitor is placed into the orifice of the pressure relief hole, remotely controlling all the explosion-proof electric pulleys to rotate, moving all the monitors backwards to a designated position along the wall of the pressure relief hole, enabling the conductive rope between two adjacent monitors to be in a tensioning state, and closing the remote controller;
(8) And starting the coal rock charge monitor, receiving signals monitored in the pressure relief holes by all the coal rock charge sensors, and monitoring the charge induction depth rule.
7. The method for using the automatic drilling coal rock charge depth monitoring and adjusting device according to claim 6, wherein the method comprises the following steps of: the specific process of the step (2) is as follows: the method comprises the steps of connecting a piston rod screw of a micro cylinder into a threaded hole on a positioning plate, extending the positioning plate between two axial connecting plates, correspondingly inserting a guide bar into a guide groove until the end part of a cylinder body of the micro cylinder passes through a unthreaded hole on a support plate, screwing a fastening nut to the end part of the cylinder body, clamping the fastening nut by using a spanner, positioning and fastening the cylinder body, and enabling a high-pressure air pipe connected with the cylinder body of the micro cylinder to pass forward along the position between the two axial connecting plates on the inner side of the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681542.0A CN116006155A (en) | 2022-12-27 | 2022-12-27 | Automatic adjustment device for monitoring charge depth of coal rock in drilling and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211681542.0A CN116006155A (en) | 2022-12-27 | 2022-12-27 | Automatic adjustment device for monitoring charge depth of coal rock in drilling and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116006155A true CN116006155A (en) | 2023-04-25 |
Family
ID=86034832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211681542.0A Pending CN116006155A (en) | 2022-12-27 | 2022-12-27 | Automatic adjustment device for monitoring charge depth of coal rock in drilling and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116006155A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204175286U (en) * | 2014-10-08 | 2015-02-25 | 葛洲坝试验检测有限公司 | For monitoring the drilling well inclination measurement device of sliding mass strata displacement |
| US20150369037A1 (en) * | 2011-03-14 | 2015-12-24 | Tool Joint Products Llc | Downhole sensor tool for measuring borehole conditions with fit-for-purpose sensor housings |
| CN106908843A (en) * | 2017-04-13 | 2017-06-30 | 中国矿业大学 | A kind of measuring method of coal petrography deep current potential |
| CN109581511A (en) * | 2018-11-23 | 2019-04-05 | 辽宁大学 | A kind of contactless coal petrography live monitoring sensor calibration system and method based on principle of induction |
| CN111396722A (en) * | 2020-03-26 | 2020-07-10 | 煤炭科学研究总院 | Diameter-variable drilling television probe auxiliary centering device |
| US20210277725A1 (en) * | 2020-03-09 | 2021-09-09 | Impact Selector International, Llc | Wheel Assembly |
| CN215984374U (en) * | 2021-10-28 | 2022-03-08 | 浙江岩创科技有限公司 | Rock mass drilling side surface structure measuring device |
| CN115387854A (en) * | 2022-09-20 | 2022-11-25 | 辽宁工程技术大学 | Charge induction monitoring probe returning device for non-contact coal rock drilling inner wall |
-
2022
- 2022-12-27 CN CN202211681542.0A patent/CN116006155A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150369037A1 (en) * | 2011-03-14 | 2015-12-24 | Tool Joint Products Llc | Downhole sensor tool for measuring borehole conditions with fit-for-purpose sensor housings |
| CN204175286U (en) * | 2014-10-08 | 2015-02-25 | 葛洲坝试验检测有限公司 | For monitoring the drilling well inclination measurement device of sliding mass strata displacement |
| CN106908843A (en) * | 2017-04-13 | 2017-06-30 | 中国矿业大学 | A kind of measuring method of coal petrography deep current potential |
| CN109581511A (en) * | 2018-11-23 | 2019-04-05 | 辽宁大学 | A kind of contactless coal petrography live monitoring sensor calibration system and method based on principle of induction |
| US20210277725A1 (en) * | 2020-03-09 | 2021-09-09 | Impact Selector International, Llc | Wheel Assembly |
| CN111396722A (en) * | 2020-03-26 | 2020-07-10 | 煤炭科学研究总院 | Diameter-variable drilling television probe auxiliary centering device |
| CN215984374U (en) * | 2021-10-28 | 2022-03-08 | 浙江岩创科技有限公司 | Rock mass drilling side surface structure measuring device |
| CN115387854A (en) * | 2022-09-20 | 2022-11-25 | 辽宁工程技术大学 | Charge induction monitoring probe returning device for non-contact coal rock drilling inner wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2995113A1 (en) | Detection while drilling (dwd) apparatus and method for lithological composition of roadway roof | |
| CN104330819A (en) | Recyclable installation device of microseism sensor and installation method | |
| US10301929B2 (en) | System and method for leak detection | |
| CN203848966U (en) | Impactor impact force detection device | |
| CN105422130B (en) | It is a kind of to adjust the method that supporting pressure carries out supporting roadway surrounding rock | |
| CN106321068B (en) | A kind of tube and casing in downhole ground detection sensor driving means | |
| CN116006155A (en) | Automatic adjustment device for monitoring charge depth of coal rock in drilling and use method | |
| CN210768587U (en) | Side pressure test device | |
| CN105445784A (en) | Recoverable type installation apparatus suitable for general slight shock sensor | |
| CN113236368B (en) | Ground pressure monitoring device and method | |
| AU2020102355A4 (en) | Embedded microseismic monitoring device with tbm | |
| CN116067251A (en) | Self-adaptive centering positioning device for coal rock drilling charge sensor and using method | |
| US20230128787A1 (en) | Automatic microseismic monitoring-intelligent rockburst early warning integrated system and method for tunnel boring machine (tbm)-based construction | |
| CN104133075A (en) | Device and method for explosion valve piston velocity measuring | |
| CN113640867B (en) | Installation device and installation method of micro-seismic sensor in water gushing area | |
| CN105806275B (en) | Device and method for monitoring continuous deformation of different areas of surrounding rock in real time | |
| CN209525468U (en) | A kind of microseismic monitoring sensor mounting device based on air bag | |
| CN107191225B (en) | A measurement system for be used for colliery tunnel country rock ultrasonic detection | |
| CN103412095B (en) | Multi-parameter device for monitoring coal and gas outburst under condition of multi-field coupling | |
| CN207538862U (en) | A kind of Tight filling monitors system | |
| CN203657778U (en) | Multipoint separation layer value monitoring and measuring device of roadway surrounding rock body | |
| CN209840928U (en) | Concrete carbonization depth detector | |
| CN117468918A (en) | Drilling stress monitoring method | |
| CN112857174B (en) | Drilling displacement monitoring device | |
| CN115541091A (en) | Mine pressure prediction analysis device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |