CN104180853B - Mine country rock Multi-parameter coupling determinator - Google Patents
Mine country rock Multi-parameter coupling determinator Download PDFInfo
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- CN104180853B CN104180853B CN201410439842.7A CN201410439842A CN104180853B CN 104180853 B CN104180853 B CN 104180853B CN 201410439842 A CN201410439842 A CN 201410439842A CN 104180853 B CN104180853 B CN 104180853B
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Abstract
Mine country rock Multi-parameter coupling determinator, relates to a kind of mine Multi-parameter coupling determinator, and it can the stress of country rock all directions, gas pressure and temperature index parameter time Accurate Determining dynamic disaster occurs simultaneously.End cap is threadeded with the first centre bore of cylindrical vector, the outer face of end cap is fixed with thrust pickup, pressure transducer and temperature sensor are arranged in the first described centre bore, pressure transducer is fixed on end cap, temperature sensor is fixed on the inwall of the first centre bore, it is positioned on the sidewall of cylindrical vector on same cross section and offers two installing holes communicated with the second centre bore, force cell one and two is fixed respectively in two installing holes, two force cells are separated by 90 ° of settings, self-locking extension bar is threadeded with the 4th centre bore of cylindrical vector, self-locking extension bar one end is arranged in the first centre bore, the other end is connected with par adapter.The present invention measures for mine country rock Multi-parameter coupling.
Description
Technical field
The present invention relates to a kind of mine Multi-parameter coupling determinator, especially can measure mine surrouding rock stress, gas pressure, temperature are in the determinator of one.
Background technology
Measure mine surrouding rock stress, gas pressure and the parameter of temperature, currently mainly use is respectively strain gauge, gas pressure sensor and temperature sensor, if measuring some position surrouding rock stress, gas pressure and temperature parameter are accomplished by arranging three of the above sensor simultaneously, arrange that these three sensor needs to play three borings in country rock simultaneously, and can not be at three kinds of sensors of same country rock location arrangements, and for mining of deep mine, surrouding rock stress, gas pressure and temperature these three parameter have important effect for research deep wall rock failure mechanism, the precision of test directly affects deep wall rock failure mechanism research.It addition, existing mine strain gauge mainly measures the stress state in country rock some direction interior, and the stress state difference of the internal all directions of country rock is relatively big, and the strain gauge of simple employing single direction is very difficult accurately measures the stress state within country rock.If to measure the stress state of country rock all directions simultaneously, it is necessary to arrange multiple strain gauge, so make workload increase, and be difficult to the true stress state reflecting some fixed position all directions.
Summary of the invention
It is an object of the invention to provide a kind of mine country rock Multi-parameter coupling determinator, it can the stress of country rock all directions, gas pressure and temperature index parameter time Accurate Determining dynamic disaster occurs simultaneously.
Realizing above-mentioned purpose, the present invention adopts the technical scheme that:
Mine country rock Multi-parameter coupling determinator, it includes self-locking extension bar, par adapter, cylindrical structure part, five sensors, five described sensors include four force transducers and a temperature sensor, four described force transducers include a thrust pickup, a pressure transducer and two force cells, two described force cells are force cell one and force cell two respectively, and described cylindrical structure part includes cylindrical vector and end cap；The first centre bore, the second centre bore, the 3rd centre bore and the 4th centre bore it is machined with successively to the other end by one end of cylindrical vector vertically in described cylindrical vector, the aperture of the second described centre bore is less than the aperture of the 3rd centre bore, the aperture of the 3rd described centre bore is less than the aperture of the first centre bore, and the aperture of the first described centre bore is less than the aperture of the 4th centre bore；nullThe hole wall of the first centre bore is positioned at port and is machined with one section of female thread，4th centre bore is internal thread hole，One section of external screw thread it is machined with on the lateral wall of described end cap，End cap and the first centre bore are threaded，The outer face of end cap is fixed with thrust pickup，Described pressure transducer and temperature sensor are arranged in the first centre bore，And pressure transducer is fixed on end cap，Temperature sensor is fixed on the inwall of the first centre bore，It is positioned on the sidewall of cylindrical vector on same cross section and offers two installing holes communicated with the second centre bore，Force cell one is fixed in one of them installing hole，Force cell two is fixed in another installing hole，Two described force cells are separated by 90 ° of settings，One section of the outer wall of described self-locking extension bar is machined with external screw thread，Self-locking extension bar is threadeded with the 4th centre bore of cylindrical vector，And self-locking extension bar one end is arranged in the first centre bore，The middle part of self-locking extension bar is provided with axially extending bore，Described par adapter is arranged on cylindrical vector outside and is connected with the self-locking extension bar other end；Pressure transducer is an absolute pressure pressure transducer.
The beneficial effects of the present invention is:
1, the mine country rock Multi-parameter coupling determinator of the present invention passes through two force cells, thrust pickup, pressure transducers, can measure this device up and down, front and back and radially five direction stress and gas pressure.Wherein, thrust pickup can measure the thrust of this device right direction；It is positioned on the same cross section of cylindrical vector, and the two is, and 90 ° of two force cells (for two-way force cell) arranged can measure the top pressure of this device place environment position and rightabout counteracting force and the stress in left side and the reverse stress on right side.Pressure transducer is an absolute pressure pressure transducer, for measuring the gas pressure of this environment；Temperature sensor can measure the ambient temperature near this device, provides Monitoring Data support for mine disaster early warning.
2, connected by par adapter and self-locking extension bar, this device is pushed precalculated position, there is use, feature easy for installation.
3, this determinator reasonably by five direction stress, gas pressure, ambient temperature measurement sensor integration on a cylindrical structure part, and simple installation, measurement are effective, can effectively reduce multiple fixing links such as the installation at scene, wiring, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the mine country rock main sectional view of Multi-parameter coupling determinator of the present invention；
Fig. 2 is the operation principle block diagram of the present invention.
Thrust pickup 1, pressure transducer 2, temperature sensor 3, force cell 1, self-locking extension bar 5, signal conductor 6, par adapter 7, cylindrical structure part 8, cylindrical vector 9, end cap 10, first centre bore 11, second centre bore 12, 3rd centre bore 13, 4th centre bore 14, first paragraph cylinder 15, second segment cylinder 16, 3rd section of cylinder 17, amplifier 18, substation 19, intrinsic safety electric source 20, Master Control Room 21, force cell 2 22, signal integral box 23.
Detailed description of the invention
As shown in Figure 1, mine country rock Multi-parameter coupling determinator, it includes self-locking extension bar 5, par adapter 7,8, five sensors of cylindrical structure part, five described sensors include four force transducers and a temperature sensor 3, four described force transducers include 1, pressure transducer 2 of a thrust pickup and two force cells, two described force cells are force cell 1 and force cell 2 22 respectively, and described cylindrical structure part 8 includes cylindrical vector 9 and end cap 10；The first centre bore the 11, second centre bore the 12, the 3rd centre bore 13 and the 4th centre bore 14 it is machined with successively to the other end by one end of cylindrical vector 9 vertically in described cylindrical vector 9, the aperture of the second described centre bore 12 is less than the aperture of the 3rd centre bore 13, the aperture of the 3rd described centre bore 13 is less than the aperture of the first centre bore 11, and the aperture of the first described centre bore 11 is less than the aperture of the 4th centre bore 14；nullThe hole wall of the first centre bore 11 is positioned at port and is machined with one section of female thread，4th centre bore 14 is internal thread hole，One section of external screw thread it is machined with on the lateral wall of described end cap 10，End cap 10 is threadeded with the first centre bore 11，The outer face of end cap 10 is fixed with thrust pickup 1，Axial thrust can be measured，Described pressure transducer 2 and temperature sensor 3 are arranged in the first centre bore 11，And pressure transducer 2 is fixed on end cap 10，This pressure transducer 2 is for measuring the methane gas pressure change near this device，Temperature sensor 3 is fixed on the inwall of the first centre bore 11，This temperature sensor 3 is for measuring the variation of ambient temperature near this device，It is positioned on the sidewall of cylindrical vector 9 on same cross section and offers two installing holes communicated with the second centre bore 12，Force cell 1 is fixed in one of them installing hole，Force cell 2 22 is fixed in another installing hole，Two described force cells are separated by 90 ° of settings，Upper and lower for measuring this device、The power of left and right directions，One section of the outer wall of described self-locking extension bar 5 is machined with external screw thread，Self-locking extension bar 5 is threadeded with the 4th centre bore 14 of cylindrical vector 9，And self-locking extension bar 5 one end is arranged in the first centre bore 11，The middle part of self-locking extension bar 5 is provided with axially extending bore，For penetrating the signal conductor 6 being connected with sensor；Described par adapter 7 is arranged on cylindrical vector 9 outside and is connected with self-locking extension bar 5 other end.
Preferably: a diameter of 50mm of outer circumference surface of described cylindrical structure part 8, a length of 500mm of cylindrical structure part 8.
Preferably: described end cap 10 is made up of the three sections of cylinders being formed integrally, three sections of described cylinders are first paragraph cylinder 15 respectively, second segment cylinder 16 and the 3rd section of cylinder 17, described first paragraph cylinder 15, the external diameter of second segment cylinder 16 and the 3rd section of cylinder 17 is incremented by successively, described external screw thread it is machined with on the lateral wall of second segment cylinder 16, second segment cylinder 16 is threadeded with the first centre bore 11 of described cylindrical vector 9, the outer circumference surface diameter of the 3rd section of cylinder 17 and the outer circumference surface equal diameters of cylindrical vector 9, the outer face of first paragraph cylinder 15 is machined with a blind hole vertically, described pressure transducer 2 is arranged in the blind hole of described first paragraph cylinder 15.
Further: as shown in Figure 2, the signal output part of five described sensors is connected with respective five amplifier 18 signal input parts respectively, and five amplifiers 18 are arranged in signal integral box 23, the micro-signal of five sensor outputs is after the analog signals that respective amplifier 18 zooms into standard, exporting to the signal input part of substation 19 through the signal output part of respective amplifier 18, signal is exported to Master Control Room 21 by substation 19 again by signal output part.
It is provided with intrinsic safety electric source 20, as the power source of five sensors in described signal integral box 23.
Thrust pickup of the present invention, pressure transducer, temperature sensor, force cell and amplifier are outsourcing piece.Pressure transducer, temperature sensor, force cell, thrust pickup and amplifier can use the product that Beijing Science and Technology Ltd. of Wei Site Air China produces, and model is respectively pressure transducer: CYB-10S；Temperature sensor: WZ-PT100；Force cell: CYB-605ST；Thrust pickup: CYB-12SA；Amplifier: CYB-6-S.
The present invention can Accurate Determining the dynamic disaster stress of country rock all directions, gas pressure and temperature index parameter when occurring.
Claims (5)
1. a mine country rock Multi-parameter coupling determinator, it is characterized in that: it includes self-locking extension bar (5), par adapter (7), cylindrical structure part (8), five sensors, five described sensors include four force transducers and a temperature sensor (3), four described force transducers include a thrust pickup (1), one pressure transducer (2) and two force cells, two described force cells are force cell one (4) and force cell two (22) respectively, described cylindrical structure part (8) includes cylindrical vector (9) and end cap (10)；The first centre bore (11), the second centre bore (12), the 3rd centre bore (13) and the 4th centre bore (14) it is machined with successively to the other end by one end of cylindrical vector (9) vertically in described cylindrical vector (9), the aperture of described the second centre bore (12) is less than the aperture of the 3rd centre bore (13), the aperture of the 3rd described centre bore (13) is less than the aperture of the first centre bore (11), and the aperture of described the first centre bore (11) is less than the aperture of the 4th centre bore (14)；nullThe hole wall of the first centre bore (11) is positioned at port and is machined with one section of female thread，4th centre bore (14) is internal thread hole，It is machined with one section of external screw thread on the lateral wall of described end cap (10)，End cap (10) is threadeded with the first centre bore (11)，The outer face of end cap (10) is fixed with thrust pickup (1)，Described pressure transducer (2) and temperature sensor (3) are arranged in the first centre bore (11)，And pressure transducer (2) is fixed on end cap (10)，Temperature sensor (3) is fixed on the inwall of the first centre bore (11)，It is positioned on same cross section on the sidewall of cylindrical vector (9) and offers two installing holes communicated with the second centre bore (12)，Force cell one (4) is fixed in one of them installing hole，Force cell two (22) is fixed in another installing hole，Two described force cells are separated by 90 ° of settings，One section of the outer wall of described self-locking extension bar (5) is machined with external screw thread，Self-locking extension bar (5) is threadeded with the 4th centre bore (14) of cylindrical vector (9)，And self-locking extension bar (5) one end is arranged in the first centre bore (11)，The middle part of self-locking extension bar (5) is provided with axially extending bore，Described par adapter (7) is arranged on cylindrical vector (9) outside and is connected with self-locking extension bar (5) other end；Pressure transducer (2) is an absolute pressure pressure transducer.
Mine country rock Multi-parameter coupling determinator the most according to claim 1, is characterized in that: a diameter of 50mm of outer circumference surface of described cylindrical structure part (8), a length of 500mm of cylindrical structure part (8).
nullMine country rock Multi-parameter coupling determinator the most according to claim 1，It is characterized in that: described end cap (10) is made up of the three sections of cylinders being formed integrally，Three sections of described cylinders are first paragraph cylinder (15) respectively、Second segment cylinder (16) and the 3rd section of cylinder (17)，Described first paragraph cylinder (15)、The external diameter of second segment cylinder (16) and the 3rd section of cylinder (17) is incremented by successively，It is machined with described external screw thread on the lateral wall of second segment cylinder (16)，Second segment cylinder (16) is threadeded with first centre bore (11) of described cylindrical vector (9)，The outer circumference surface diameter of the 3rd section of cylinder (17) and the outer circumference surface equal diameters of cylindrical vector (9)，The outer face of first paragraph cylinder (15) is machined with a blind hole vertically，Described pressure transducer (2) is arranged in the blind hole of described first paragraph cylinder (15).
Mine country rock Multi-parameter coupling determinator the most as claimed in any of claims 1 to 3, it is characterized in that: the signal output part of five described sensors is connected with respective five amplifier (18) signal input parts respectively, and five amplifiers (18) are arranged in signal integral box (23), the micro-signal of five sensor outputs is after the analog signals that respective amplifier (18) zooms into standard, export to the signal input part of substation (19) through the signal output part of respective amplifier (18), signal is exported to Master Control Room (21) by substation (19) again by signal output part.
Mine country rock Multi-parameter coupling determinator the most according to claim 4, is characterized in that: be provided with intrinsic safety electric source (20), as the power source of five sensors in described signal integral box (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410439842.7A CN104180853B (en) | 2014-09-01 | 2014-09-01 | Mine country rock Multi-parameter coupling determinator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410439842.7A CN104180853B (en) | 2014-09-01 | 2014-09-01 | Mine country rock Multi-parameter coupling determinator |
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| CN104180853A CN104180853A (en) | 2014-12-03 |
| CN104180853B true CN104180853B (en) | 2016-08-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107304681A (en) * | 2016-04-22 | 2017-10-31 | 天地科技股份有限公司 | Coal petrography gas composite power disaster is with position monitoring and pre-alarming method |
| CN106546292A (en) * | 2016-11-07 | 2017-03-29 | 黑龙江科技大学 | Coal underground mining coal and rock multi- scenarios method test device and method |
| CN106768510B (en) * | 2016-12-05 | 2019-03-19 | 武汉大学 | Rock mass stress develops long-term real-time monitoring and rock burst early warning visualization device and method |
| CN110726355B (en) * | 2019-11-19 | 2021-09-24 | 临沂天方建设研究试验有限公司 | Pile hole aperture detection device capable of centering and retaining data |
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| US6028534A (en) * | 1997-06-02 | 2000-02-22 | Schlumberger Technology Corporation | Formation data sensing with deployed remote sensors during well drilling |
| GB2429477A (en) * | 2003-07-25 | 2007-02-28 | Schlumberger Holdings | While drilling system and method |
| CN101294489A (en) * | 2007-04-23 | 2008-10-29 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Apparatus for testing applied force and displacement of down-hole tubular pile |
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| CN203672416U (en) * | 2014-02-07 | 2014-06-25 | 哈尔滨商业大学 | Multiple data acquisition device used in mine |
| CN204007720U (en) * | 2014-09-01 | 2014-12-10 | 黑龙江科技大学 | Mine country rock Multi-parameter coupling determinator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7849934B2 (en) * | 2005-06-07 | 2010-12-14 | Baker Hughes Incorporated | Method and apparatus for collecting drill bit performance data |
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Patent Citations (6)
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|---|---|---|---|---|
| US6028534A (en) * | 1997-06-02 | 2000-02-22 | Schlumberger Technology Corporation | Formation data sensing with deployed remote sensors during well drilling |
| GB2429477A (en) * | 2003-07-25 | 2007-02-28 | Schlumberger Holdings | While drilling system and method |
| CN101294489A (en) * | 2007-04-23 | 2008-10-29 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Apparatus for testing applied force and displacement of down-hole tubular pile |
| CN101892830A (en) * | 2010-04-27 | 2010-11-24 | 北京科技大学 | Deep ground stress measurement while drilling (MWD) system |
| CN203672416U (en) * | 2014-02-07 | 2014-06-25 | 哈尔滨商业大学 | Multiple data acquisition device used in mine |
| CN204007720U (en) * | 2014-09-01 | 2014-12-10 | 黑龙江科技大学 | Mine country rock Multi-parameter coupling determinator |
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