CN104180853A - Mine surrounding rock multi-parameter coupling measuring device - Google Patents
Mine surrounding rock multi-parameter coupling measuring device Download PDFInfo
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- CN104180853A CN104180853A CN201410439842.7A CN201410439842A CN104180853A CN 104180853 A CN104180853 A CN 104180853A CN 201410439842 A CN201410439842 A CN 201410439842A CN 104180853 A CN104180853 A CN 104180853A
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Abstract
The invention provides a mine multi-parameter coupling measuring device, and relates to a mine surrounding rock multi-parameter coupling measuring device. The mine surrounding rock multi-parameter coupling measuring device can accurately measure stress, gas pressure and temperature index parameters of surrounding rock at the same time when dynamic disasters happen. An end cover is in threaded connection with a first center hole of a cylindrical carrier, a thrust sensor is fixed to the outer end face of the end cover, both a pressure sensor and a temperature sensor are arranged in the first center hole, the pressure sensor is fixed to the end cover, the temperature sensor is fixed to the inner wall of the first center hole, the side wall of the cylindrical carrier is provided with two installing holes in the same cross section, the two installing holes are communicated with a second center hole, a first force sensor and a second force sensor are fixed into the two installing holes respectively and arranged in a spaced mode by 90 degrees, a self-locking connecting rod is in threaded connection with a fourth center hole of the cylindrical carrier, one end of the self-locking connecting rod is arranged in the first center hole, and the other end of the self-locking connecting rod is connected with a standard bar connector. The mine surrounding rock multi-parameter coupling measuring device is used for mine surrounding rock multi-parameter coupling measurement.
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, the parameter of gas pressure and temperature, at present main adopt be respectively strain gauge, gas pressure sensor and temperature sensor, if measure some positions surrouding rock stress, gas pressure and temperature parameter just need to be arranged above three kinds of sensors simultaneously, arrange that these three kinds of sensors need 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, these three parameters of gas pressure and temperature have important effect for research deep wall rock failure mechanism, the precision of test directly affects the research of deep wall rock failure mechanism.In addition, existing mine strain gauge is mainly measured the stress state of some directions in country rock, and the stress state difference of the inner all directions of country rock is larger, adopts merely the stress state of the very difficult Measurement accuracy country rock of the strain gauge inside of single direction.If measure the stress state of country rock all directions simultaneously, just need to arrange a plurality of strain gauges, make like this workload increase, and be difficult to the stress state of the some fixed positions of true reflection all directions.
Summary of the invention
The object of this invention is to provide a kind of mine country rock Multi-parameter coupling determinator, stress, gas pressure and the temperature index parameter of country rock all directions during its Accurate Determining dynamic disaster generation simultaneously.
Realize above-mentioned purpose, the technical scheme that the present invention takes is:
Mine country rock Multi-parameter coupling determinator, it comprises self-locking extension bar, par connector, cylindrical structure part, five sensors, five described sensors comprise four power sensors and a temperature sensor, four described power sensors comprise a thrust pickup, a pressure transducer and two force cells, two described force cells are respectively force cell one and force cell two, and described cylindrical structure part comprises cylindrical vector and end cap, in described cylindrical vector, by one end of cylindrical vector, to the other end, be processed with successively the first center pit, the second center pit, the 3rd center pit and the 4th center pit vertically, the aperture of the second described center pit is less than the aperture of the 3rd center pit, the aperture of the 3rd described center pit is less than the aperture of the first center pit, and the aperture of the first described center pit is less than the aperture of the 4th center pit, the hole wall of the first center pit is positioned at port and is processed with one section of internal thread, the 4th center pit is internal thread hole, on the lateral wall of described end cap, be processed with one section of external thread, end cap is threaded with the first center pit, the outer face of end cap is fixed with thrust pickup, described pressure transducer and temperature sensor are all arranged in the first center pit, and pressure transducer is fixed on end cap, temperature sensor is fixed on the inwall of the first center pit, on the sidewall of cylindrical vector, be positioned at and on same xsect, offer two mounting holes that communicate with the second center pit, the interior fixedly force cell one of one of them mounting hole, the interior fixedly force cell two of another mounting hole, two described force cells, the 90 ° of settings of being separated by, one section of the outer wall of described self-locking extension bar is processed with external thread, self-locking extension bar is threaded with the 4th center pit of cylindrical vector, and self-locking extension bar one end is arranged in the first center pit, the middle part of self-locking extension bar is provided with axially extending bore, described par connector is arranged on cylindrical vector outside and is connected with the self-locking extension bar other end.
Beneficial effect of the present invention is:
1, mine country rock Multi-parameter coupling determinator of the present invention is by two force cells, a thrust pickup, a pressure transducer, can measure this device up and down, front and back and radially five direction stress and gas pressure.Wherein, thrust pickup can be measured this device to the thrust of right; Be positioned on the same xsect of cylindrical vector, and the two two force cell (for two-way force cell) that are 90 ° of settings can be measured the oppositely stressed of the top pressure of this device place environment position and the stressed and right side in rightabout reacting force and left side.Pressure transducer is an absolute pressure pressure transducer, for measuring the gas pressure of this environment; Temperature sensor can be measured near the environment temperature this device, for mine disaster early warning provides Monitoring Data support.
2, by par connector, be connected with self-locking extension bar, this device is pushed to precalculated position, there is use, feature easy for installation.
3, this determinator is reasonably integrated in the sensor of five direction stress, gas pressure, ambient temperature measurement on a cylindrical structure part, and simple installation, measurement are effectively, can effectively reduce a plurality of fixing links such as on-the-spot installation, wiring, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the main cut-open view of mine country rock Multi-parameter coupling determinator of the present invention;
Fig. 2 is principle of work 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 connector 7, cylindrical structure part 8, cylindrical vector 9, end cap 10, the first center pit 11, the second center pit 12, the 3rd center pit 13, the 4th center pit 14, first paragraph right cylinder 15, second segment right cylinder 16, the 3rd section of right cylinder 17, amplifier 18, substation 19, intrinsic safety electric source 20, Master Control Room 21, force cell 2 22, signal integral box 23.
Embodiment
As shown in Figure 1, mine country rock Multi-parameter coupling determinator, it comprises self-locking extension bar 5, par connector 7, cylindrical structure part 8, five sensors, five described sensors comprise four power sensors and a temperature sensor 3, four described power sensors comprise a thrust pickup 1, pressure transducer 2 and two force cells, two described force cells are respectively force cell 1 and force cell 2 22, and described cylindrical structure part 8 comprises cylindrical vector 9 and end cap 10, in described cylindrical vector 9, by one end of cylindrical vector 9, to the other end, be processed with successively the first center pit 11, the second center pit 12, the 3rd center pit 13 and the 4th center pit 14 vertically, the aperture of the second described center pit 12 is less than the aperture of the 3rd center pit 13, the aperture of the 3rd described center pit 13 is less than the aperture of the first center pit 11, and the aperture of the first described center pit 11 is less than the aperture of the 4th center pit 14, the hole wall of the first center pit 11 is positioned at port and is processed with one section of internal thread, the 4th center pit 14 is internal thread hole, on the lateral wall of described end cap 10, be processed with one section of external thread, end cap 10 is threaded with the first center pit 11, the outer face of end cap 10 is fixed with thrust pickup 1, can measure axial thrust, described pressure transducer 2 and temperature sensor 3 are all arranged in the first center pit 11, and pressure transducer 2 is fixed on end cap 10, this pressure transducer 2 changes for measuring near the methane gas pressure of this device, temperature sensor 3 is fixed on the inwall of the first center pit 11, this temperature sensor 3 is for measuring near the variation of ambient temperature of this device, on the sidewall of cylindrical vector 9, be positioned at and on same xsect, offer two mounting holes that communicate with the second center pit 12, the interior fixedly force cell 1 of one of them mounting hole, the interior fixedly force cell 2 22 of another mounting hole, two described force cells, the 90 ° of settings of being separated by, be used for measuring this device upper and lower, the power of left and right directions, one section of the outer wall of described self-locking extension bar 5 is processed with external thread, self-locking extension bar 5 is threaded with the 4th center pit 14 of cylindrical vector 9, and self-locking extension bar 5 one end are arranged in the first center pit 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 connector 7 is arranged on cylindrical vector 9 outsides and is connected with self-locking extension bar 5 other ends.
Preferably: the outer circumference surface diameter of described cylindrical structure part 8 is 50mm, the length of cylindrical structure part 8 is 500mm.
Preferably: described end cap 10 consists of three sections of right cylinders of all-in-one-piece processed, three sections of described right cylinders are respectively first paragraph right cylinders 15, second segment right cylinder 16 and the 3rd section of right cylinder 17, described first paragraph right cylinder 15, the external diameter of second segment right cylinder 16 and the 3rd section of right cylinder 17 increases progressively successively, on the lateral wall of second segment right cylinder 16, be processed with described external thread, second segment right cylinder 16 is threaded with the first center pit 11 of described cylindrical vector 9, the outer circumference surface diameter of the 3rd section of right cylinder 17 and the outer circumference surface equal diameters of cylindrical vector 9, the outer face of first paragraph right cylinder 15 is processed with a blind hole vertically, described pressure transducer 2 is arranged in the blind hole of described first paragraph right cylinder 15.
Further: as shown in Figure 2, the signal output part of five described sensors is connected with five amplifier 18 signal input parts separately respectively, and five amplifiers 18 are all arranged in signal integral box 23, the micro-signal of five sensors, 18 outputs zooms into after the analog signals of standard through amplifier 18 separately, through the signal output part of amplifier 18 separately, export to the signal input part of substation 19, substation 19 is exported to Master Control Room 21 by signal by signal output part again.
In described signal integral box 23, be provided with intrinsic safety electric source 20, as the power source of five sensors.
Thrust pickup of the present invention, pressure transducer, temperature sensor, force cell and amplifier are outsourcing piece.The product that pressure transducer, temperature sensor, force cell, thrust pickup and amplifier can adopt Beijing Science and Technology Ltd. of Wei Site Air China to produce, model is respectively pressure transducer: CYB-10S; Temperature sensor: WZ-PT100; Force cell: CYB-605ST; Thrust pickup: CYB-12SA; Amplifier: CYB-6-S.
Stress, gas pressure and the temperature index parameter of country rock all directions when the present invention can Accurate Determining dynamic disaster occurs.
Claims (5)
1. a mine country rock Multi-parameter coupling determinator, it is characterized in that: it comprises self-locking extension bar (5), par connector (7), cylindrical structure part (8), five sensors, five described sensors comprise four power sensors and a temperature sensor (3), four described power sensors comprise a thrust pickup (1), a pressure transducer (2) and two force cells, two described force cells are respectively force cell one (4) and force cell two (22), described cylindrical structure part (8) comprises cylindrical vector (9) and end cap (10), in described cylindrical vector (9), by one end of cylindrical vector (9), to the other end, be processed with successively the first center pit (11), the second center pit (12), the 3rd center pit (13) and the 4th center pit (14) vertically, the aperture of described the second center pit (12) is less than the aperture of the 3rd center pit (13), the aperture of the 3rd described center pit (13) is less than the aperture of the first center pit (11), and the aperture of described the first center pit (11) is less than the aperture of the 4th center pit (14), the hole wall of the first center pit (11) is positioned at port and is processed with one section of internal thread, the 4th center pit (14) is internal thread hole, on the lateral wall of described end cap (10), be processed with one section of external thread, end cap (10) is threaded with the first center pit (11), the outer face of end cap (10) is fixed with thrust pickup (1), described pressure transducer (2) and temperature sensor (3) are all arranged in the first center pit (11), and pressure transducer (2) is fixed on end cap (10), temperature sensor (3) is fixed on the inwall of the first center pit (11), on the sidewall of cylindrical vector (9), be positioned at and on same xsect, offer two mounting holes that communicate with the second center pit (12), the interior fixedly force cell one (4) of one of them mounting hole, the interior fixedly force cell two (22) of another mounting hole, two described force cells, the 90 ° of settings of being separated by, one section of the outer wall of described self-locking extension bar (5) is processed with external thread, self-locking extension bar (5) is threaded with the 4th center pit (14) of cylindrical vector (9), and self-locking extension bar (5) one end is arranged in the first center pit (11), the middle part of self-locking extension bar (5) is provided with axially extending bore, described par connector (7) is arranged on cylindrical vector (9) outside and is connected with self-locking extension bar (5) other end.
2. mine country rock Multi-parameter coupling determinator according to claim 1, is characterized in that: the outer circumference surface diameter of described cylindrical structure part (8) is 50mm, and the length of cylindrical structure part (8) is 500mm.
3. mine country rock Multi-parameter coupling determinator according to claim 1, it is characterized in that: described end cap (10) consists of three sections of right cylinders of all-in-one-piece processed, three sections of described right cylinders are respectively first paragraph right cylinder (15), second segment right cylinder (16) and the 3rd section of right cylinder (17), described first paragraph right cylinder (15), the external diameter of second segment right cylinder (16) and the 3rd section of right cylinder (17) increases progressively successively, on the lateral wall of second segment right cylinder (16), be processed with described external thread, second segment right cylinder (16) is threaded with first center pit (11) of described cylindrical vector (9), the outer circumference surface equal diameters of the outer circumference surface diameter of the 3rd section of right cylinder (17) and cylindrical vector (9), the outer face of first paragraph right cylinder (15) is processed with a blind hole vertically, described pressure transducer (2) is arranged in the blind hole of described first paragraph right cylinder (15).
4. according to the mine country rock Multi-parameter coupling determinator described in any one in claims 1 to 3, it is characterized in that: the signal output part of five described sensors is connected with five amplifiers (18) signal input part separately respectively, and five amplifiers (18) are all arranged in signal integral box (23), the micro-signal of five sensors (18) output zooms into after the analog signals of standard through amplifier (18) separately, through the signal output part of amplifier (18) separately, export to the signal input part of substation (19), substation (19) is exported to Master Control Room (21) by signal by signal output part again.
5. mine country rock Multi-parameter coupling determinator according to claim 4, is characterized in that: in described signal integral box (23), be provided with intrinsic safety electric source (20), as the power source of five sensors.
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 true CN104180853A (en) | 2014-12-03 |
| CN104180853B CN104180853B (en) | 2016-08-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106768510A (en) * | 2016-12-05 | 2017-05-31 | 武汉大学 | Rock mass stress develops long-term real-time monitoring and rock burst early warning visualization device and method |
| 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 |
| CN110726355A (en) * | 2019-11-19 | 2020-01-24 | 郑海飞 | Pile hole aperture detection device capable of centering and retaining data |
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- 2014-09-01 CN CN201410439842.7A patent/CN104180853B/en not_active Expired - Fee Related
Patent Citations (7)
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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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106768510A (en) * | 2016-12-05 | 2017-05-31 | 武汉大学 | Rock mass stress develops long-term real-time monitoring and rock burst early warning visualization 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 |
| CN110726355A (en) * | 2019-11-19 | 2020-01-24 | 郑海飞 | Pile hole aperture detection device capable of centering and retaining data |
| 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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| CN104180853B (en) | 2016-08-24 |
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