CN114089438B - Intelligent monitoring system for coal mine land survey prevention and control water - Google Patents
Intelligent monitoring system for coal mine land survey prevention and control water Download PDFInfo
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- CN114089438B CN114089438B CN202111257333.9A CN202111257333A CN114089438B CN 114089438 B CN114089438 B CN 114089438B CN 202111257333 A CN202111257333 A CN 202111257333A CN 114089438 B CN114089438 B CN 114089438B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 230000002265 prevention Effects 0.000 title claims abstract description 12
- 239000011435 rock Substances 0.000 claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000008859 change Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 51
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000001052 transient effect Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/288—Event detection in seismic signals, e.g. microseismics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
- G01V1/306—Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
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Abstract
The invention discloses an intelligent monitoring system for ground measurement, prevention and control of water for a coal mine, which comprises a roadway body, an active monitoring module and a passive monitoring module, wherein the active monitoring module and the passive monitoring module are arranged in the roadway body, the active monitoring module comprises a probing mechanism, a sliding plate and a fixing frame, a track is arranged at the bottom of the roadway body, the sliding plate is slidably arranged at the top of the track, the fixing frame is arranged on the upper surface of the sliding plate, a placing plate is arranged at the top of the fixing frame, the probing mechanism is arranged at the top of the placing plate, and the passive monitoring module comprises a transmitting coil, a receiving coil, a control box, a sliding rheostat and a seismic detector. According to the invention, through the arranged active monitoring module and passive monitoring module, the passive monitoring module can monitor the fracture condition of the rock mass and the change of the water-rich area in real time.
Description
Technical Field
The invention relates to the technical field of coal mine prevention and control water, in particular to an intelligent monitoring system for coal mine land survey prevention and control water.
Background
The intelligent monitoring system for preventing and controlling water in coal mine mainly aims at the parameters of water-rich property of water-bearing layer and thickness of water-resisting layer, by installing detectors in the excavated roadway, when the rock layer is broken, the micro-seismic wave information emitted when the underground rock body is broken can be received to determine the time, position and released energy of the rock body breaking, and simultaneously, the transient electromagnetic method is used for detecting the change condition of the water-rich region of the rock body by utilizing the characteristic of sensitivity to low-resistance reaction, thus realizing the intelligent monitoring of the mine, because the coal mine prevention requires professional technicians to check roadway water at least once per month, the process of the underground water-protruding roadway is generally from several hours to two days, sometimes from half month to several months after development, if the roadway is suddenly affected by water, although the intelligent monitoring system can timely find abnormality, the roadway is not prevented from being suddenly affected, a mineworker can only be informed of urgent water avoidance, the problem of water avoidance cannot be solved in advance, moreover, the acquisition quality of shallow effective information is poor by a transient electromagnetic method, a certain dead zone exists in a detection result, the transient process of the receiving coil is included because the receiving coil receives a simple secondary field, and is shorter in general case, the transient process of the receiving coil is not obvious in a late signal, but cannot be ignored in an early signal, the detection capability of the shallow rock mass is influenced by the transient electromagnetic method, and the change of a water-rich area can be not timely known.
Therefore, we propose a colliery is with survey prevention and cure water intelligent monitoring system, firstly, intelligent monitoring system divide into initiative monitoring module and passive monitoring module, passive monitoring module can real-time monitoring rock mass fracture condition and the change in rich water district, initiative monitoring module is when the rock mass does not appear breaking, confirm the rock mass fracture condition through vibration wave information, vibration plays the cracked effect of induced rock mass simultaneously, secondly, through the cooperation between wane and slide rheostat, reduce the transient electromagnetism at the blind area of shallow rock mass, can in time know the change condition in shallow rich water district.
Disclosure of Invention
The invention mainly aims to provide an intelligent monitoring system for ground measurement, prevention and control water for a coal mine, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a colliery is with ground survey prevention and cure water intelligent monitoring system, includes tunnel body, initiative monitoring module and passive monitoring module all set up the inside at the tunnel body, initiative monitoring module is including exploring mechanism, slide and mount, the track is installed to the bottom of tunnel body, slide slidable mounting is at orbital top, the upper surface at the slide is installed to the mount, the board is placed in the top of mount, it sets up at the top of placing the board to explore the mechanism, passive monitoring module includes transmitting coil, receiving coil, control box, slide rheostat and geophone, the detection hole has been seted up to the inner wall of tunnel body.
The invention is further improved in that the sliding rheostat is arranged at the outlet of the detection hole, a fixed plate and a pressing block are respectively arranged at two sides of the inside of the detection hole, a telescopic rod and a supporting rod are arranged at one side of the fixed plate, which is close to the pressing block, and the supporting rod is arranged between the sliding rheostat and the telescopic rod, a rocker is arranged at one side of the pressing block, which is close to the fixed plate, one end of the rocker, which is far away from the pressing block, is connected with a sliding sheet on the sliding rheostat, one end of the telescopic rod, which is far away from the fixed plate, is connected with the rocker, a spring is arranged at the outer side of the telescopic rod, two ends of the spring are respectively connected with the rocker and the fixed plate, the telescopic rod and the spring play a role of supporting the rocker, a ball is arranged at the top end of the supporting rod, one side of the ball, which is far away from the supporting rod, is contacted with the rocker, and the rocker and the supporting rod are used for adjusting the resistance value of the sliding rheostat in a working process by utilizing a lever principle.
The invention is further improved in that the earthquake detection head is arranged in the detection hole, the earthquake detection head is positioned at one end far away from the slide rheostat in the detection hole, two sides of the earthquake detection head are respectively connected with a plug and a data transmission line, and the plug is inserted into a rock mass to receive micro earthquake wave information sent by rock mass breaking during working.
The invention is further improved in that the outer sides of the transmitting coil and the receiving coil are respectively provided with a line clip, the transmitting coil and the receiving coil are fixed on the inner wall of the roadway body through the line clips, and the plurality of groups of the transmitting coil and the receiving coil which are arranged in the roadway body are used for comparing the water-rich area information indirectly, so that the blind area range of a transient electromagnetic method can be reduced.
The invention is further improved in that the control box is arranged on the inner wall of the roadway body and is positioned between the transmitting coil and the detecting hole, a partition board is transversely arranged in the control box, a signal amplifier and a receiver are arranged on the upper surface of the partition board, a transmitter and a data processor are arranged at the bottom of the inner wall of the control box, and one end, far away from the geophone head, of the data transmission line is connected with the data processor.
The invention is further improved in that a display control screen is arranged on the front surface of the control box, the excitation end of the transmitting coil is electrically connected with the transmitter and the sliding rheostat, the sliding rheostat adjusts the transmitting current of the transmitter by changing the resistance value when in operation, the receiving end of the receiving coil is electrically connected with the signal amplifier and the receiver, and the data processor processes data information transmitted by the transmitter, the receiver and the geophone when in operation.
The invention is further improved in that the probing mechanism comprises a shell, a power supply and a vibrating motor are arranged in the shell, an adjusting plate is arranged on one side of the shell, which is close to the roadway body, an output end of the vibrating motor is connected with the adjusting plate, a vibrating head is arranged on one side of the adjusting plate, which is far away from the vibrating motor, and the vibrating head is adjusted in position and angle on the adjusting plate according to the requirement during working so as to be beneficial to improving the vibrating efficiency of the vibrating head on an inclined plane.
The invention further improves that the intelligent monitoring system for the ground measurement, prevention and control water for the coal mine comprises the following using steps:
a: a plurality of detection holes are formed in the inner wall of a roadway body to be monitored, a fixed plate and a pressing block are arranged on the inner wall of the detection holes, a geophone is placed in the depth of the detection holes, a plug is inserted into a rock body to receive micro-seismic wave information sent by broken rock bodies, a plurality of groups of transmitting coils and receiving coils are fixed on the inner wall of the roadway body and are fixed by line cards, a control box is fixed in the roadway body and is electrified, a slide rheostat and a transmitter are arranged on the same line, the transmitter is started periodically, a pulse current is transmitted through the transmitting coils, a secondary field received by the receiving coils is received by a receiver after being amplified by a signal amplifier, and the change condition of a water-rich area of the rock body is detected in real time;
B: after the step A is completed, when the rock mass breaks, stress in the rock mass is extruded towards a pressing block, the pressing block moves to enable a rocker to move along with the rocker, a spring is compressed at the same time, the rocker takes a supporting rod as a fulcrum, a sliding sheet on a sliding rheostat is moved by utilizing a lever principle, as the length of a power arm of the rocker is far smaller than that of a resistance arm, the distance of the power arm of the rocker moving is small due to the rock mass breaking, the resistance arm of the rocker can push the sliding sheet on the sliding rheostat to move enough distance, meanwhile, a sphere at the top end of the supporting rod can improve the sensitivity of the lever, the closer the breaking position of the rock mass is to a roadway body, the larger the stress in the rock mass is to the pressure of the pressing block, the distance of the power arm of the rocker is increased, the resistance arm of the rocker pushes the sliding sheet to enable the resistance of the sliding rheostat to be smaller, the current flowing through a transmitter is increased, the breaking occurs at a shallow rock mass, and the maximum excitation magnetic field is obtained by emitting large current, the signal-to increase the noise ratio, the pressing interference is reduced, and the blind area of transient electromagnetism is reduced, and meanwhile, the information received by a plurality of groups of receiving coils is further reduced, and the condition of the blind area is further is reduced, and is beneficial to the situation of timely change of a water zone;
C: when professional technicians examine tunnel flood by using the mechanism of exploring, the mechanism of exploring is installed on the mount, promote the slide along the track removal, examine tunnel body both sides, start vibrating motor, vibrating motor's output drives the regulating plate vibration, the regulating plate vibration drives the vibrating head and strikes the rock wall, change the position and the angle of vibrating head on the regulating plate according to the degree of inclination of rock wall, help improving vibration efficiency, the vibration wave that the mechanism of exploring sent is detected by the geophone head, and pass data into the control box through the data transmission line, observe and show the control panel, compare this time data with last time data, confirm whether the rock mass breaks, if find that unusual has enough time to prevent water burst, the mechanism of exploring initiatively sends out the vibration, confirm the rock mass condition of breaking through the seismic wave information, the vibration plays the effect of inducing the rock mass fracture simultaneously, the stress in the rock mass is effused in advance, professional technicians is convenient for in this place in time handle.
Compared with the prior art, the invention has the following beneficial effects:
1. The active monitoring module and the passive monitoring module are arranged, the passive monitoring module can monitor the rock mass fracture condition and the change of a water-rich area in real time, when the rock mass is not fractured, the active monitoring module sends out vibration wave information to determine the rock mass fracture condition, meanwhile, vibration plays a role in inducing rock mass fracture, a vibration motor is started, the output end of the vibration motor drives an adjusting plate to vibrate, the adjusting plate vibrates to drive a vibration head to impact a rock wall, the position and the angle of the vibration head on the adjusting plate are changed according to the inclination degree of the rock wall, the vibration efficiency is improved, vibration waves sent out by the detection mechanism are detected by a seismic detector, data are transmitted into a control box through a data transmission line, a display control screen is observed, whether the rock mass is fractured or not is confirmed, if the rock mass is found to have enough time to prevent water burst, the detection mechanism actively sends out vibration, the rock mass fracture condition is determined through the vibration wave information, meanwhile, the vibration plays a role in inducing the rock mass fracture, stress in the rock mass is discharged in advance, and a professional staff is convenient to process at the place;
2. Through the cooperation between wane and slide rheostat that sets up, reduce the transient electromagnetism and can know the change condition of shallow rich water district in time at the blind area of shallow rock mass, when the rock mass breaks, stress in the rock mass extrudees towards the briquetting, the briquetting displacement makes the wane remove thereupon, the telescopic link shrink is compressed simultaneously, the wane uses the bracing piece as the fulcrum, utilize lever principle to remove the gleitbretter on the slide rheostat, because the power arm length of wane is far less than resistance arm length, the rock mass breaks the distance that the power arm that makes the wane removed is very little, the resistance arm of wane also can promote the gleitbretter on the slide rheostat and remove sufficient distance, the ball on bracing piece top can improve the sensitivity of lever simultaneously, and the rock mass breaks the department and is nearer to the tunnel body, the pressure of stress in the rock mass to the briquetting is big, the distance that the power arm that the wane removed is big, the resistance arm of wane promotes the gleitbretter and makes the resistance of slide rheostat diminish, the electric current that makes the transmitter flow takes place to break in shallow rock mass department, through the transmission big electric current, in order to obtain maximum excitation magnetic field, increase signal to interfere with, reduce the noise ratio, the receiving ratio, the transient can be further set up the blind area in time, the response to the change condition is realized.
Drawings
FIG. 1 is a block diagram of an overall system of an intelligent monitoring system for controlling water in a coal mine.
Fig. 2 is a schematic diagram of the overall structure of an intelligent monitoring system for controlling water in coal mine field measurement.
Fig. 3 is a schematic diagram of the internal structure of a roadway body of the intelligent monitoring system for controlling water for coal mine land survey.
Fig. 4 is a schematic diagram of the internal structure of a detection hole of the intelligent monitoring system for controlling water for coal mine land survey.
Fig. 5 is a schematic diagram of the internal structure of a control box of the intelligent monitoring system for controlling water for coal mine land survey.
Fig. 6 is an enlarged schematic view of a system for intelligent monitoring of water for coal mine use, according to the present invention, as shown in fig. 2.
Fig. 7 is a schematic cross-sectional view of a probing mechanism of the intelligent monitoring system for controlling water for coal mine field measurement.
In the figure: 1. a roadway body; 2. a detection hole; 3. a transmitting coil; 4. a receiving coil; 5. a control box; 6. a track; 7. a line clip; 8. displaying a control screen; 9. a slide rheostat; 10. a partition plate; 11. a transmitter; 12. a signal amplifier; 13. a receiver; 14. a data processor; 15. a geophone; 16. a plug; 17. a data transmission line; 18. a fixing plate; 19. briquetting; 20. a telescopic rod; 21. a spring; 22. a support rod; 23. a ball; 24. a seesaw; 25. a slide plate; 26. a fixing frame; 27. placing a plate; 28. a probing mechanism; 29. a housing; 30. a power supply; 31. a vibration motor; 32. an adjustment plate; 33. a vibrating head.
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic drawings, rather than physical drawings, and are not to be construed as limiting the present invention, and in order to better explain the detailed description of the invention, certain components of the drawings may be omitted, enlarged or reduced in size, and not represent the actual product, and it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the invention based on the detailed description of the present invention.
Example 1
As shown in fig. 1-7, an intelligent monitoring system for preventing and controlling water for coal mine land survey comprises a roadway body (1), an active monitoring module and a passive monitoring module, wherein the active monitoring module and the passive monitoring module are arranged in the roadway body (1), the active monitoring module comprises a detection mechanism (28), a sliding plate (25) and a fixing frame (26), a track (6) is arranged at the bottom of the roadway body (1), the sliding plate (25) is slidably arranged at the top of the track (6), the fixing frame (26) is arranged on the upper surface of the sliding plate (25), a placement plate (27) is arranged at the top of the fixing frame (26), the detection mechanism (28) is arranged at the top of the placement plate (27), the passive monitoring module comprises a transmitting coil (3), a receiving coil (4), a control box (5), a sliding rheostat (9) and a seismic detector (15), and detection holes (2) are formed in the inner wall of the roadway body (1).
The slide rheostat (9) is arranged at the outlet of the detection hole (2), the two sides of the inside of the detection hole (2) are respectively provided with a fixed plate (18) and a pressing block (19), one side of the fixed plate (18) close to the pressing block (19) is provided with a telescopic rod (20) and a supporting rod (22), the supporting rod (22) is positioned between the slide rheostat (9) and the telescopic rod (20), one side of the pressing block (19) close to the fixed plate (18) is provided with a rocker (24), one end of the rocker (24) far away from the pressing block (19) is connected with a sliding sheet on the slide rheostat (9), one end of the telescopic rod (20) far away from the fixed plate (18) is connected with the rocker (24), the outer side of the telescopic rod (20) is provided with a spring (21), two ends of the spring (21) are respectively connected with the rocker (24) and the fixed plate (18), the top end of the supporting rod (22) is provided with a ball (23), one side of the ball (23) far away from the supporting rod (22) is connected with the rocker (24) by the supporting rod (24), and the sliding resistor (9) is in the principle, the sphere (23) improves the sensitivity of the rocker (24) when it is moved.
The earthquake detection head (15) is arranged in the detection hole (2), the earthquake detection head (15) is positioned at one end, far away from the slide rheostat (9), in the detection hole (2), two sides of the earthquake detection head (15) are respectively connected with the plug (16) and the data transmission line (17), and the plug (16) is inserted into a rock mass during working and is used for receiving micro earthquake wave information sent by rock mass breaking.
The control box (5) is installed at the inner wall of roadway body (1) and is located between transmitting coil (3) and detection hole (2), baffle (10) are transversely installed to the inside of control box (5), signal amplifier (12) and receiver (13) are installed to the upper surface of baffle (10), sender (11) and data processor (14) are installed to the bottom of the inner wall of control box (5), and the one end that keeps away from geophone head (15) of data transmission line (17) is connected with data processor (14).
The front of control box (5) is installed and is shown control screen (8), the excitation end and sender (11) and slide rheostat (9) electric connection of transmitting coil (3), slide rheostat (9) are through changing the resistance value and are adjusted the transmission electric current size of sender (11) at the during operation, the receiving end and signal amplifier (12) and receiver (13) electric connection of receiving coil (4), data processor (14) are handled the data information of sender (11), receiver (13) and geophone head (15) transmission at the during operation, the data information after handling can be looked over through display control screen (8).
The detection mechanism (28) comprises a shell (29), a power supply (30) and a vibrating motor (31) are arranged in the shell (29), an adjusting plate (32) is arranged on one side, close to the roadway body (1), of the shell (29), the output end of the vibrating motor (31) is connected with the adjusting plate (32), a vibrating head (33) is arranged on one side, far away from the vibrating motor (31), of the adjusting plate (32), and the vibrating head (33) adjusts the position and the angle of the vibrating head (33) on the adjusting plate (32) according to requirements during working, so that the vibrating efficiency of the vibrating head (33) on an inclined plane is improved.
By adopting the technical scheme: through the initiative monitoring module and the passive monitoring module that set up, the change in real-time monitoring rock mass fracture condition and rich water district, initiative monitoring module is when the rock mass does not appear breaking, send vibration wave information through exploring mechanism (28) and confirm rock mass fracture condition, vibration plays the effect of inducing rock mass fracture simultaneously, start vibrating motor (31), the output of vibrating motor (31) drives adjusting plate (32) vibration, adjusting plate (32) vibration drives vibrating head (33) striking rock wall, change the position and the angle of vibrating head (33) on adjusting plate (32) according to rock wall's inclination, help improving vibration efficiency, the vibration wave that exploring mechanism (28) sent is detected by geophone (15), and pass data in control box (5) through data transmission line (17), observe and show control screen (8), this time data and last time data compare, confirm whether rock mass appears breaking if abnormal have enough time to stop the sudden water, mechanism (28) initiative vibration, through the rock mass fracture information confirms that the rock mass fracture condition is broken simultaneously, the effect of inducing the body stress in advance is in the place of should be convenient for the professional personnel of the processing in time, the special personnel of breaking.
Example 2
As shown in fig. 1-7, an intelligent monitoring system for preventing and controlling water for coal mine land survey comprises a roadway body (1), an active monitoring module and a passive monitoring module, wherein the active monitoring module and the passive monitoring module are arranged in the roadway body (1), the active monitoring module comprises a detection mechanism (28), a sliding plate (25) and a fixing frame (26), a track (6) is arranged at the bottom of the roadway body (1), the sliding plate (25) is slidably arranged at the top of the track (6), the fixing frame (26) is arranged on the upper surface of the sliding plate (25), a placement plate (27) is arranged at the top of the fixing frame (26), the detection mechanism (28) is arranged at the top of the placement plate (27), the passive monitoring module comprises a transmitting coil (3), a receiving coil (4), a control box (5), a sliding rheostat (9) and a seismic detector (15), and detection holes (2) are formed in the inner wall of the roadway body (1).
The slide rheostat (9) is arranged at the outlet of the detection hole (2), the two sides of the inside of the detection hole (2) are respectively provided with a fixed plate (18) and a pressing block (19), one side of the fixed plate (18) close to the pressing block (19) is provided with a telescopic rod (20) and a supporting rod (22), the supporting rod (22) is positioned between the slide rheostat (9) and the telescopic rod (20), one side of the pressing block (19) close to the fixed plate (18) is provided with a rocker (24), one end of the rocker (24) far away from the pressing block (19) is connected with a sliding sheet on the slide rheostat (9), one end of the telescopic rod (20) far away from the fixed plate (18) is connected with the rocker (24), the outer side of the telescopic rod (20) is provided with a spring (21), two ends of the spring (21) are respectively connected with the rocker (24) and the fixed plate (18), the top end of the supporting rod (22) is provided with a ball (23), one side of the ball (23) far away from the supporting rod (22) is connected with the rocker (24) by the supporting rod (24), and the sliding resistor (9) is in the principle, the function of the telescopic rod (20) and the spring (21) is to keep the rocker (24) stable when the rock mass is not broken.
The outside of transmitting coil (3) and receiving coil (4) all installs ply-yarn drill (7), and transmitting coil (3) and receiving coil (4) are fixed on the inner wall of tunnel body (1) through ply-yarn drill (7), and the multiunit transmitting coil (3) that tunnel body (1) inside set up and the rich water district information that receiving coil (4) received are compared and can be reduced transient electromagnetic method's blind area scope, and the material that ply-yarn drill (7) used is plastics or rubber and avoid the metal to produce the influence to surveying.
The control box (5) is installed at the inner wall of roadway body (1) and is located between transmitting coil (3) and detection hole (2), baffle (10) are transversely installed to the inside of control box (5), signal amplifier (12) and receiver (13) are installed to the upper surface of baffle (10), sender (11) and data processor (14) are installed to the bottom of the inner wall of control box (5), and the one end that keeps away from geophone head (15) of data transmission line (17) is connected with data processor (14).
By adopting the technical scheme: through the cooperation between the rocker (24) and the slide rheostat (9), the transient electromagnetic is reduced, the dead zone of the shallow rock mass is reduced, the change condition of the shallow water-rich zone can be known in time, when the rock mass breaks, the stress in the rock mass is extruded towards the press block (19), the press block (19) is displaced to enable the rocker (24) to move along with the rocker, the telescopic rod (20) is contracted, the spring (21) is compressed, the rocker (24) takes the supporting rod (22) as a fulcrum, the sliding vane on the slide rheostat (9) is moved by utilizing the lever principle, the length of a power arm of the rocker (24) is far smaller than the length of a resistance arm, the resistance arm of the rocker (24) is also pushed by the resistance arm of the rocker (24) to move a sufficient distance, the ball (23) at the top end of the supporting rod (22) can improve the sensitivity of the lever, the closer to the roadway body (1) is, the stress in the rock mass is larger than the pressure of the press block (19), the rocker (24) moves the arm to greatly push the current through the resistance arm of the rocker (24) to obtain the current, the current is greatly reduced, the current is greatly disturbed by the transient electromagnetic field, the current is greatly transmitted by the current, the current is greatly reduced, the current is greatly disturbed by the current is greatly and the current is greatly transmitted by the current-receiving the current-variable layer, and the current-level is greatly and the current-changed by the current-carrying layer, and the current-variable-state of the current transducer is greatly and has the resistance is greatly the resistance to the resistance, and the resistance is the resistance to the resistance, the blind area can be further reduced, and the change condition of the water-rich area can be known in time.
When the intelligent monitoring system for the ground measurement, prevention and control water for the coal mine is used, firstly, a plurality of detection holes (2) are formed in the inner wall of a roadway body (1) to be monitored, a fixed plate (18) and a pressing block (19) are arranged on the inner wall of the detection holes (2), a geophone head (15) is placed in the deep part of the detection holes (2) and a plug (16) is inserted into a rock mass to receive micro-seismic wave information emitted by rock mass breaking, a plurality of groups of transmitting coils (3) and receiving coils (4) are fixed on the inner wall of the roadway body (1) and are fixed by line cards (7), a control box (5) is fixed in the roadway body (1), the control box (5) is electrified, the slide rheostat (9) and the transmitter (11) are arranged on the same line, the transmitter (11) is started periodically, a pulse current is transmitted through the transmitting coil (3), a secondary field received by the receiving coil (4) is amplified by the signal amplifier (12) and then is received by the receiver (13), the change condition of a water-rich area of the rock mass is detected in real time, then when the rock mass breaks, the stress in the rock mass is extruded towards the press block (19), the press block (19) is displaced to enable the rocker (24) to move along with the press block, the telescopic rod (20) is contracted while the spring (21) is compressed, the rocker (24) takes the support rod (22) as a fulcrum, the sliding vane on the slide rheostat (9) is moved by utilizing the lever principle, as the length of the power arm of the rocker (24) is far smaller than the length of the resistance arm, the distance of the movement of the power arm of the rocker (24) is small due to the breakage of the rock body, the resistance arm of the rocker (24) can push the sliding vane on the slide rheostat (9) to move enough distance, meanwhile, the sensitivity of the lever can be improved by the ball (23) at the top end of the supporting rod (22), the closer the breaking position of the rock body is to the roadway body (1), the pressure of the stress in the rock body to the pressing block (19) is larger, the distance of the movement of the power arm of the rocker (24) is larger, the resistance arm of the rocker (24) pushes the sliding vane to reduce the resistance of the slide rheostat (9), the current flowing through the transmitter (11) is increased, the shallow rock mass is broken, the maximum excitation magnetic field is obtained by emitting the large current, the signal to noise ratio is increased, the interference is suppressed, the transient electromagnetic dead zone is reduced, meanwhile, the information received by a plurality of groups of receiving coils (4) is compared, the dead zone can be further reduced, the change condition of a water-rich area can be timely known, finally, when a professional technician checks roadway water patients by using the probing mechanism (28), the probing mechanism (28) is arranged on the fixing frame (26), the sliding plate (25) is pushed to move along the track (6) to check the two sides of the roadway body (1), starting a vibration motor (31), driving an adjusting plate (32) to vibrate by the output end of the vibration motor (31), driving a vibration head (33) to strike a rock wall by vibration of the adjusting plate (32), changing the position and angle of the vibration head (33) on the adjusting plate (32) according to the inclination degree of the rock wall, helping to improve the vibration efficiency, detecting vibration waves sent by a detection mechanism (28) by a geophone (15), transmitting data into a control box (5) through a data transmission line (17), observing a display control screen (8), comparing the data with the last data, confirming whether the rock body is broken or not, if abnormal enough time is found to prevent water burst, the exploration mechanism (28) actively emits vibration, the rock mass fracture condition is determined through seismic wave information, meanwhile, the vibration plays a role in inducing the rock mass fracture, the stress in the rock mass is discharged in advance, and the professional technician can conveniently process the rock mass in time.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a colliery is with land survey prevention and cure water intelligent monitoring system, includes tunnel body, initiative monitoring module and passive monitoring module, its characterized in that: the active monitoring module and the passive monitoring module are both arranged in the roadway body, the active monitoring module comprises a probing mechanism, a sliding plate and a fixing frame, a track is arranged at the bottom of the roadway body, the sliding plate is slidably arranged at the top of the track, the fixing frame is arranged on the upper surface of the sliding plate, a placing plate is arranged at the top of the fixing frame, the probing mechanism is arranged at the top of the placing plate, the passive monitoring module comprises a transmitting coil, a receiving coil, a control box, a sliding rheostat and a seismic detector, and a detection hole is formed in the inner wall of the roadway body; the sliding rheostat is arranged at the outlet of the detection hole, a fixed plate and a pressing block are respectively arranged at two sides of the inside of the detection hole, a telescopic rod and a supporting rod are arranged at one side, close to the pressing block, of the fixed plate, the supporting rod is arranged between the sliding rheostat and the telescopic rod, a rocker is arranged at one side, close to the fixed plate, of the pressing block, one end, far away from the pressing block, of the rocker is connected with a sliding sheet on the sliding rheostat, one end, far away from the fixed plate, of the telescopic rod is connected with the rocker, a spring is arranged at the outer side of the telescopic rod, two ends of the spring are respectively connected with the rocker and the fixed plate, the telescopic rod and the spring play a role of supporting the rocker, a ball is arranged at the top end of the supporting rod, one side, far away from the supporting rod, of the ball is in contact with the rocker, and the supporting rod is used for adjusting the resistance value of the sliding rheostat in a lever principle during operation; the earthquake detection head is arranged in the detection hole, is positioned at one end far away from the slide rheostat in the detection hole, two sides of the earthquake detection head are respectively connected with a plug and a data transmission line, and the plugs are inserted into a rock body during working and are used for receiving micro earthquake wave information sent by rock body breaking; the outside of transmitting coil and receiving coil all installs the ply-yarn drill, transmitting coil and receiving coil pass through the ply-yarn drill to be fixed on the inner wall of tunnel body, the water rich area information that the multiunit transmitting coil and the receiving coil that the inside setting of tunnel body received compares and can reduce the blind area scope of transient electromagnetic method.
2. The intelligent monitoring system for coal mine land survey control water according to claim 1, wherein: the control box is installed at the inner wall of tunnel body and is located between transmitting coil and the detection hole, the inside of control box transversely installs the baffle, signal amplifier and receiver are installed to the last surface mounting of baffle, transmitter and data processor are installed to the bottom of the inner wall of control box, the one end that keeps away from the geophone head of data transmission line is connected with data processor.
3. The intelligent monitoring system for coal mine land survey control water according to claim 2, wherein: the front of the control box is provided with a display control screen, the excitation end of the transmitting coil is electrically connected with the transmitter and the slide rheostat, the slide rheostat adjusts the transmitting current of the transmitter by changing the resistance value when in operation, the receiving end of the receiving coil is electrically connected with the signal amplifier and the receiver, and the data processor processes data information transmitted by the transmitter, the receiver and the geophone when in operation.
4. The intelligent monitoring system for coal mine land survey control water according to claim 1, wherein: the detection mechanism comprises a shell, a power supply and a vibrating motor are arranged in the shell, an adjusting plate is arranged on one side, close to the roadway body, of the shell, the output end of the vibrating motor is connected with the adjusting plate, a vibrating head is arranged on one side, far away from the vibrating motor, of the adjusting plate, and the vibrating head is used for adjusting the position and the angle of the vibrating head on the adjusting plate as required during working, so that the vibrating efficiency of the vibrating head to an inclined plane is improved.
5. An intelligent monitoring system for controlling water in a coal mine field survey according to any one of claims 1-4, wherein: the using steps are as follows:
a: a plurality of detection holes are formed in the inner wall of a roadway body to be monitored, a fixed plate and a pressing block are arranged on the inner wall of the detection holes, a geophone is placed in the depth of the detection holes, a plug is inserted into a rock body to receive micro-seismic wave information sent by broken rock bodies, a plurality of groups of transmitting coils and receiving coils are fixed on the inner wall of the roadway body and are fixed by line cards, a control box is fixed in the roadway body and is electrified, a slide rheostat and a transmitter are arranged on the same line, the transmitter is started periodically, a pulse current is transmitted through the transmitting coils, a secondary field received by the receiving coils is received by a receiver after being amplified by a signal amplifier, and the change condition of a water-rich area of the rock body is detected in real time;
b: after the step A is completed, when the rock mass breaks, stress in the rock mass is extruded towards a pressing block, the pressing block moves to enable a rocker to move along with the rocker, a spring is compressed at the same time, the rocker takes a supporting rod as a fulcrum, a sliding sheet on a sliding rheostat is moved by utilizing a lever principle, as the length of a power arm of the rocker is far smaller than that of a resistance arm, the distance of the power arm of the rocker moving is small due to the rock mass breaking, the resistance arm of the rocker can push the sliding sheet on the sliding rheostat to move enough distance, meanwhile, a ball at the top end of the supporting rod improves the sensitivity of the lever, the closer the breaking position of the rock mass is to a roadway body, the greater the pressure of the pressing block by the stress in the rock mass is, the distance of the power arm of the rocker is increased, the resistance arm of the rocker pushes the sliding sheet to reduce the resistance of the sliding rheostat, the current flowing through a transmitter is increased, the breaking occurs at a shallow rock mass, and the maximum exciting magnetic field is obtained by transmitting the current, the signal to increase the signal to noise ratio, the pressing interference is reduced, and meanwhile, the blind areas is received by a plurality of the receiving by the transient electromagnetic are further reduced, and the when the water are acquired and are better in response to the water are in a water are timely;
C: professional technicians examine the tunnel flood through using exploring the mechanism, it installs on the mount to explore the mechanism, promote the slide and follow the track and remove, examine the tunnel body both sides, start vibrating motor, vibrating motor's output drives the regulating plate vibration, regulating plate vibration drives the vibrating head and strikes the rock wall, change the position and the angle of vibrating head on the regulating plate according to the degree of inclination of rock wall, help improving vibration efficiency, the vibration wave that explore the mechanism sent is detected by the geophone, and pass data into the control box through the data transmission line, observe and show the control panel, compare this time data with last time data, confirm whether the rock mass breaks, if find that unusual has enough time to prevent water burst, it initiatively sends the vibration to survey the mechanism, confirm the rock mass condition of breaking through the seismic wave information, the vibration plays the effect of inducing the rock mass fracture simultaneously, the stress in the rock mass is effused in advance, be convenient for in time handle.
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