CN114412571B - Coal mine hydrological dynamic monitoring system - Google Patents
Coal mine hydrological dynamic monitoring system Download PDFInfo
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- CN114412571B CN114412571B CN202210051961.XA CN202210051961A CN114412571B CN 114412571 B CN114412571 B CN 114412571B CN 202210051961 A CN202210051961 A CN 202210051961A CN 114412571 B CN114412571 B CN 114412571B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
Abstract
The invention discloses a coal mine hydrological dynamic monitoring system which comprises graphite powder for enhancing conductivity of fault water, an injection anchor rod for injecting the graphite powder into a water-rich large fault and a fixing plate arranged on the back side of tunneling equipment, wherein a damping slide rail is arranged on one side of the fixing plate, which is far away from the tunneling equipment, the surface of the damping slide rail is connected with a monitoring mechanism in a sliding mode, and an arc-shaped sliding groove is formed in the surface of the fixing plate. The utility model provides a colliery hydrology dynamic monitoring system, rotatory nozzle and rotating nozzle evenly spray the graphite powder in to rich water fault to the electric conductivity of increase fault normal water, and then can increase the detection signal of the little fault that adopts the production, so that master the little fault hydrology condition that adopts the in-process to produce fast, with carry out quick early warning and protection, wholly provide two-layer protection to the sliding stand simultaneously, damage by the sudden thorough water accident that comes as preventing detection equipment, better practicality and security have.
Description
Technical Field
The invention relates to the field of coal mine hydrological monitoring, in particular to a coal mine hydrological dynamic monitoring system.
Background
In the process of coal mine construction and production, because the flow trajectory of fault water is constantly changed due to the continuous forward mining of a coal seam, the flow trajectory of the fault water in a coal mine needs to be dynamically monitored, when the coal seam is mined in the coal mine, the coal seam is often buried deeply in the ground and needs to be mechanically excavated to a coal seam area, when the excavating equipment passes through a water-rich fault, because the continuous forward mining of the mining surface causes the fault of the mining surface to change due to vibration, the hydrological rapid monitoring of the mining surface of the coal mine needs to be carried out, therefore, the monitoring equipment needs to be installed on the excavating equipment (as shown in figure 1) for real-time dynamic monitoring, and when the existing equipment carries out monitoring, because the vibration generated in the process of equipment mining can cause the fault water to shake, simultaneously cause the cracks to generate in the rock mass, the flow direction of the fault water changes, and the transmission quantity of the water in the cracks is small, therefore, a coal mine hydrological dynamic monitoring system is provided to dynamically monitor the hydrological condition of a large roadway fault in the excavation process and protect the monitoring equipment when a dangerous accident occurs.
Disclosure of Invention
The invention mainly aims to provide a coal mine hydrological dynamic monitoring system, wherein before the section of a roadway is excavated, roadway hydrological electromagnetic transient detection equipment is used for detecting the fault water-rich condition of the roadway with the section to quickly find out the water-rich large fault of the section of the roadway, the tail part of a device 1 is driven into the water-rich large fault, the electromagnet is controlled to supply power intermittently, the electromagnet is magnetically connected with a turning plate, a pull ring at the back side of the turning plate is connected with a screw rod through a pull rope, the screw rod is further pulled to move in a sleeve, and the screw rod is in threaded transmission with a gear, so that a rotary spray head and the gear are driven to rotate integrally, a through hole is intermittently superposed with a transmission pipe, the rotary spray head and the rotary spray nozzle uniformly spray graphite powder into the water-rich fault, so as to increase the conductivity of water in the fault, and further increase the detection signal of the small fault generated by mining, so as to be convenient for quickly mastering the hydrological condition of the small fault generated in the mining process, the early warning and protection are carried out quickly, and the practicability and the safety are better; the fixed plate is arranged on the back surface of the excavating equipment, the damping slide rail is arranged on one side of the fixed plate, the monitoring mechanism slides on the damping slide rail, the roadway hydroelectromagnetic transient detection equipment detects the hydrographic condition of a small fault with an increased signal, the controller can quickly identify the extending track of the small fault, when the situation that water inside the small fault reaches a rock surface is detected, the controller controls the sliding wheels inside the sliding table to slide on the outer surface of the damping slide rail, so that the whole sliding table moves back to the direction of a collapsed surface to provide a first layer of protection for the whole monitoring mechanism, meanwhile, due to the whole movement of the sliding table, the upper surface of the sliding table is rotatably connected with the protective shell through the connecting plate, the telescopic shaft, the connecting sleeve, the connecting plate and the rotating rod, the connecting plate slides in the arc-shaped sliding chute to drive the protective shell and the flexible pad to move in the direction opposite to the sliding table, so as to provide a second layer of protection for the whole sliding table, so as to prevent the detection equipment from being damaged by sudden water penetration accidents and effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: the invention aims to provide a coal mine hydrological dynamic monitoring system.
The utility model provides a coal mine hydrology dynamic monitoring system, is including the graphite powder that is used for strengthening the fault water electric conductivity, be used for to the big fault of rich water in inject the injection stock of graphite powder and install the fixed plate at the tunnelling equipment dorsal part, the shock attenuation slide rail is installed to one side of keeping away from tunnelling equipment of fixed plate, the surperficial sliding connection of shock attenuation slide rail has monitoring mechanism, the arc spout has been seted up on the surface of fixed plate.
The invention is further improved in that the tail end of the injection anchor rod is rotatably connected with a turning plate, a powder storage cavity is formed in the injection anchor rod, the graphite powder is stored in the powder storage cavity, an inner cavity is formed in the side surface of the injection anchor rod and is positioned at the bottom of the turning plate, an electromagnet is fixedly installed at the bottom of the inner cavity and is magnetically connected with the turning plate, a sealing plate is fixedly installed at the inner bottom of the inner cavity, a transmission pipe is fixedly installed on the surface of the sealing plate, the input end of the transmission pipe is communicated with the powder storage cavity, a rotary spray head is rotatably connected to one side of the sealing plate, a rotary nozzle is installed at one side of the rotary spray head far away from the sealing plate, a through hole is formed in the input end of the rotary spray head, and the through hole is intermittently communicated with the transmission pipe.
Through the structure, the following effects can be achieved: before the excavation of the roadway section, roadway hydrological electromagnetic transient detection equipment arranged on the back of the excavation equipment detects the fault water-rich condition of the roadway with the section to quickly find out the water-rich large fault of the roadway section, the tail part of an injection anchor rod is driven into the water-rich large fault, the electromagnet is controlled to supply power intermittently, the electromagnet is magnetically connected with a turning plate, a pull ring on the back side of the turning plate is connected with a screw rod through a pull rope, the screw rod is further pulled to move in a sleeve, the screw rod and a gear are in threaded transmission, so that a rotary spray head and the gear are driven to rotate integrally, a through hole and a transmission pipe are overlapped intermittently, the rotary spray head and the rotary spray nozzle uniformly spray graphite powder into the water-rich fault to increase the conductivity of water in the fault, and further, the detection signal of the small fault generated by the mining can be increased, so that the hydrological condition of the small fault generated in the mining process can be mastered quickly, so as to carry out quick early warning and protection.
The powder storage device is further improved in that a sleeve is fixedly arranged on the side edge of the powder storage cavity, a screw rod is connected inside the sleeve in a sliding mode, a pull ring is fixedly arranged on the back side of the turnover plate, a pull rope is wound on the surface of the pull ring, the pull ring is connected with the screw rod through the pull rope, a reset mechanism is arranged inside the sleeve to reset the screw rod, a gear is arranged on the side face of the rotary spray head, and the gear is connected with the screw rod in a meshed mode.
The structure can realize that: thus, when the turning plate is opened, the rotary spray head rotates to spray graphite powder to stir water in the fault, so that fault water and the graphite powder are fully mixed.
The invention is further improved in that the monitoring mechanism comprises a sliding table sliding on the damping sliding rail, a controller and roadway hydrology electromagnetic transient detection equipment are fixedly installed in the sliding table, and a sliding wheel is rotatably connected in the sliding table.
Through the structure, the following effects can be achieved: there is the fixed plate at the mining equipment back-mounted, the shock attenuation slide rail is installed to one side of fixed plate, monitoring mechanism slides on the shock attenuation slide rail, tunnel hydrology electromagnetic transient check out test set surveys the little fault hydrology condition that the signal enlarges, the extension orbit of little fault can be discerned fast to the controller, when detecting the inside water of little fault and arrive at the rock face, the inside movable pulley of controller control sliding stand slides at the surface of shock attenuation slide rail, the whole back of sliding stand removes to the direction of the face that collapses like this, wholly provide the first layer protection to monitoring mechanism.
The invention is further improved in that a connecting piece is fixedly arranged on the upper surface of the sliding table, a telescopic shaft is rotatably connected above the connecting piece, a connecting sleeve is fixedly arranged at the upper end of the telescopic shaft, a rotating rod is fixedly arranged on the upper surface of the connecting sleeve, a protective shell is fixedly arranged at the upper end of the rotating rod, and a flexible pad is fixedly arranged on the upper surface of the protective shell.
The structure can realize that: because the holistic removal of sliding stand, and sliding stand upper surface passes through connecting piece, telescopic shaft, adapter sleeve, connecting plate and bull stick and protective housing and rotates to be connected, and the connecting plate slides in the arc spout, and then drives protective housing and flexible pad and remove to the direction opposite with the sliding stand, wholly provides the second floor protection to the sliding stand to prevent that detection equipment from being damaged by the accident of permeating water as one's things suddenly.
The invention has the further improvement that the inside of the connecting sleeve is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a fixed plate, the back side of the upper end of the rotating rod is fixedly provided with a connecting plate, and the connecting plate slides in the arc-shaped sliding groove.
Through the structure, the following effects can be achieved: therefore, the protective shell is always positioned on one side of the sliding table facing the water permeable point, and water permeable is quickly blocked.
The damping slide rail is characterized in that limiting plates are fixedly mounted at two ends of the damping slide rail, a damping plate is fixedly mounted on the front surface of the fixing plate, an inner groove is formed in the damping slide rail, buffer springs are fixedly mounted on the upper side and the lower side of the damping plate, and the damping plate is fixedly connected with the inner edge of the inner groove through the buffer springs.
Through the structure, the following effects can be achieved: thus reducing the influence of vibration on the monitoring equipment when the mining equipment works.
The invention has the further improvement that the controller controls the sliding wheels to roll on the outer surface of the damping sliding rail, and the output end of the roadway hydrology electromagnetic transient detection equipment is electrically connected with the controller.
The invention further improves the coal mine hydrological dynamic monitoring system, and the using steps are as follows:
a: before the section of a roadway is excavated, roadway hydrological electromagnetic transient detection equipment arranged on the back of excavation equipment detects the fault water-rich condition of the roadway with the section to quickly find out a water-rich large fault with the section of the roadway, the tail part of an injection anchor rod is driven into the water-rich large fault, the electromagnet is controlled to supply power intermittently, the electromagnet is magnetically connected with a turning plate, a pull ring on the back side of the turning plate is connected with a screw rod through a pull rope, the screw rod is further pulled to move in a sleeve, and the rotary spray head and a gear are driven to rotate integrally due to the screw thread transmission of the screw rod and the gear, so that a through hole and a transmission pipe are overlapped intermittently, and the rotary spray head and the rotary spray nozzle uniformly spray graphite powder into the water-rich fault to increase the conductivity of water in the fault;
b: after the step A is finished, due to the mining action in the mining process, a plurality of small faults appear on the edge of the large fault, the roadway hydrological electromagnetic transient detection equipment detects the hydrological condition of the small fault with the increased signal, and the controller can quickly identify the extension track of the small fault;
c: when the step B is completed, when the fact that the water body in the small fault reaches the rock surface is detected, the controller controls the sliding wheels in the sliding table to slide on the outer surface of the shock absorption sliding rail, so that the sliding table integrally moves back to the direction of the collapsed surface, a first layer of protection is provided for the monitoring mechanism integrally, meanwhile, due to the fact that the sliding table integrally moves, the upper surface of the sliding table is rotatably connected with the protective shell through the connecting piece, the telescopic shaft, the connecting sleeve, the connecting plate and the rotating rod, the connecting plate slides in the arc-shaped sliding groove, the protective shell and the flexible pad are driven to move in the direction opposite to the direction of the sliding table, a second layer of protection is provided for the sliding table integrally, and therefore the detection equipment is prevented from being damaged by sudden water penetration accidents;
d: and C, the controller transmits detection and alarm signals to the alarm center in real time while finishing the step C, and the extension position of the minor fault and the water quantity information are generated to the alarm center together, so that the alarm center is assisted to provide a proper treatment scheme.
Compared with the prior art, the invention has the following beneficial effects:
1. before the excavation of the roadway section, roadway hydrological electromagnetic transient detection equipment arranged on the back of the excavation equipment detects the fault water-rich condition of the roadway with the section to quickly find out the water-rich large fault of the roadway section, the tail part of an injection anchor rod is driven into the water-rich large fault, the electromagnet is controlled to supply power intermittently, the electromagnet is magnetically connected with a turning plate, a pull ring on the back side of the turning plate is connected with a screw rod through a pull rope, the screw rod is further pulled to move in a sleeve, the screw rod and a gear are in threaded transmission, so that a rotary spray head and the gear are driven to rotate integrally, a through hole and a transmission pipe are overlapped intermittently, the rotary spray head and the rotary spray nozzle uniformly spray graphite powder into the water-rich fault to increase the conductivity of water in the fault, and further, the detection signal of the small fault generated by the excavation can be increased, so that the hydrological condition of the small fault generated in the excavation process can be mastered quickly, the system can perform quick early warning and protection, and has better practicability and safety.
2. The fixed plate is arranged on the back surface of the excavating equipment, the damping slide rail is arranged on one side of the fixed plate, the monitoring mechanism slides on the damping slide rail, the roadway hydroelectromagnetic transient detection equipment detects the hydrographic condition of a small fault with an increased signal, the controller can quickly identify the extending track of the small fault, when the situation that water inside the small fault reaches a rock surface is detected, the controller controls the sliding wheels inside the sliding table to slide on the outer surface of the damping slide rail, so that the whole sliding table moves back to the direction of a collapsed surface to provide a first layer of protection for the whole monitoring mechanism, meanwhile, due to the whole movement of the sliding table, the upper surface of the sliding table is rotatably connected with the protective shell through the connecting piece, the telescopic shaft, the connecting sleeve, the connecting plate and the rotating rod, the connecting plate slides in the arc-shaped sliding chute to drive the protective shell and the flexible pad to move in the direction opposite to the sliding table, so as to provide a second layer of protection for the whole sliding table, the detection device is prevented from being damaged by sudden water penetration accidents, and has better practicability and safety.
Drawings
Fig. 1 is a schematic diagram of the interior of a roadway to which a dynamic hydrological monitoring system for a coal mine is applied.
Fig. 2 is a schematic diagram of an injection anchor rod structure of a coal mine hydrological dynamic monitoring system.
Fig. 3 is a schematic diagram of the interior of an injection anchor rod of the dynamic monitoring system for coal mine hydrology.
Fig. 4 is a schematic diagram of the connection between a rotary nozzle and a sealing plate of the dynamic monitoring system for coal mine hydrology.
Fig. 5 is an overall schematic diagram of a fixing plate, a damping slide rail and a monitoring mechanism of the dynamic coal mine hydrology monitoring system.
Fig. 6 is a schematic overall sectional view of a damping slide rail and a monitoring mechanism of the dynamic coal mine hydrology monitoring system according to the present invention.
Fig. 7 is a schematic upper structure diagram of a monitoring mechanism of a dynamic coal mine hydrological monitoring system according to the invention.
In the figure: 1. injecting an anchor rod; 2. a fixing plate; 3. a shock-absorbing slide rail; 4. a monitoring mechanism; 5. graphite powder; 6. turning over a plate; 7. an inner cavity; 8. rotating the nozzle; 9. an electromagnet; 10. a powder storage chamber; 11. a sleeve; 12. rotating the spray head; 13. a screw; 14. a pull ring; 15. pulling a rope; 16. a through hole; 17. a gear; 18. a sealing plate; 19. a conveying pipe; 201. an arc-shaped chute; 301. a limiting plate; 302. a damper plate; 303. an inner tank; 304. a buffer spring; 401. a sliding table; 402. a connecting member; 403. a controller; 404. roadway hydrological electromagnetic transient detection equipment; 405. a telescopic shaft; 406. a sliding wheel; 407. connecting sleeves; 408. a rotating rod; 409. a connecting plate; 410. a protective shell; 411. a rotating shaft; 412. a slider; 413. a flexible mat.
Detailed Description
In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus not be construed as limiting the present invention.
Example 1
As shown in fig. 1-7, a coal mine hydrology dynamic monitoring system, including graphite powder (5) that are used for strengthening fault water electric conductivity, be used for injecting into injection stock (1) of graphite powder (5) and installing fixed plate (2) at the tunnelling equipment dorsal side into rich water big fault, shock attenuation slide rail (3) are installed to the one side of keeping away from tunnelling equipment of fixed plate (2), the sliding surface of shock attenuation slide rail (3) is connected with monitoring mechanism (4), arc spout (201) have been seted up on the surface of fixed plate (2).
In the embodiment, the tail end of the injection anchor rod (1) is rotatably connected with a turning plate (6), a powder storage cavity is formed in the injection anchor rod (1), graphite powder (5) is stored in the powder storage cavity, an inner cavity (7) is formed in the side surface of the injection anchor rod (1) and located at the bottom of the turning plate (6), an electromagnet (9) is fixedly installed at the bottom of the inner cavity (7), the electromagnet (9) is magnetically connected with the turning plate (6), a sealing plate (18) is fixedly installed at the inner bottom of the inner cavity (7), a transmission pipe (19) is fixedly installed on the surface of the sealing plate (18), the input end of the transmission pipe (19) is communicated with the powder storage cavity, a rotary spray head (12) is rotatably connected to one side of the sealing plate (18), a rotary nozzle (8) is installed on one side, away from the sealing plate (18), and a through hole (16) is formed in the input end of the rotary spray head (12), the through hole (16) is intermittently communicated with the transmission pipe (19).
In this embodiment, a sleeve (11) is fixedly mounted on the side edge of the powder storage cavity (10), a screw rod (13) is connected to the inside of the sleeve (11) in a sliding manner, a pull ring (14) is fixedly mounted on the back side of the turning plate (6), a pull rope (15) is wound on the surface of the pull ring (14), the pull ring (14) is connected with the screw rod (13) through the pull rope (15), a reset mechanism is mounted inside the sleeve (11) to reset the screw rod (13), a gear (17) is mounted on the side surface of the rotary spray head (12), and the gear (17) is meshed with the screw rod (13) and connected with the screw rod.
In this embodiment, the monitoring mechanism (4) comprises a sliding table (401) sliding on the damping sliding rail (3), a controller (403) and a roadway hydrology electromagnetic transient detection device (404) are fixedly mounted inside the sliding table (401), and a sliding wheel (406) is rotatably connected inside the sliding table (401).
In this embodiment, the upper surface of the sliding table (401) is fixedly provided with a connecting piece (402), the upper part of the connecting piece (402) is rotatably connected with a telescopic shaft (405), the upper end of the telescopic shaft (405) is fixedly provided with a connecting sleeve (407), the upper surface of the connecting sleeve (407) is fixedly provided with a rotating rod (408), the upper end of the rotating rod (408) is fixedly provided with a protective shell (410), and the upper surface of the protective shell (410) is fixedly provided with a flexible pad (413).
In this embodiment, the inside of adapter sleeve (407) is rotated and is connected with pivot (411), pivot (411) and fixed plate (2) fixed connection, and the upper end dorsal part fixed mounting of bull stick (408) has connecting plate (409), and connecting plate (409) slides in the inside of arc spout (201).
In this embodiment, limiting plates (301) are fixedly mounted at two ends of the damping slide rail (3), a damping plate (302) is fixedly mounted on the front surface of the fixing plate (2), an inner groove (303) is formed in the damping slide rail (3), buffer springs are fixedly mounted on the upper side and the lower side of the damping plate (302), and the damping plate (302) is fixedly connected with the inner edge of the inner groove (303) through the buffer springs.
In the embodiment, the controller (403) controls the sliding wheel (406) to roll on the outer surface of the damping sliding rail (3), and the output end of the roadway hydrology electromagnetic transient detection device (404) is electrically connected with the controller (403).
The embodiment can realize that: before the section of a roadway is excavated, roadway hydrological electromagnetic transient detection equipment (404) arranged on the back of the excavation equipment detects the fault water-rich condition of the roadway with the section to quickly find out a water-rich large fault of the section of the roadway, the tail of an injection anchor rod (1) is driven into the water-rich large fault, the electromagnet (9) is controlled to supply power intermittently, the electromagnet (9) is magnetically connected with a turning plate (6), a pull ring (14) on the back side of the turning plate (6) is connected with a screw rod (13) through a pull rope (15), the screw rod (13) is further pulled to move in a sleeve (11), and the screw rod (13) and a gear (17) are in threaded transmission, so that a rotary spray head (12) and the gear (17) are driven to rotate integrally, a through hole (16) and a transmission pipe (19) are overlapped intermittently, and the rotary spray head (12) and a rotary nozzle (8) uniformly spray graphite powder (5) into the water-rich fault, the conductivity of water in the fault is increased, and then the detection signal of the small fault generated by mining can be increased, so that the hydrological condition of the small fault generated in the mining process can be rapidly mastered, rapid early warning and protection are performed, and the method has better practicability and safety.
Example 2
As shown in fig. 1-7, a coal mine hydrology dynamic monitoring system, including graphite powder (5) that are used for strengthening fault water electric conductivity, be used for injecting into injection stock (1) of graphite powder (5) and installing fixed plate (2) at the tunnelling equipment dorsal side into rich water big fault, shock attenuation slide rail (3) are installed to the one side of keeping away from tunnelling equipment of fixed plate (2), the sliding surface of shock attenuation slide rail (3) is connected with monitoring mechanism (4), arc spout (201) have been seted up on the surface of fixed plate (2).
In the embodiment, the tail end of the injection anchor rod (1) is rotatably connected with a turning plate (6), a powder storage cavity is formed in the injection anchor rod (1), graphite powder (5) is stored in the powder storage cavity, an inner cavity (7) is formed in the side face of the injection anchor rod (1) and located at the bottom of the turning plate (6), an electromagnet (9) is fixedly installed at the bottom of the inner cavity (7), the electromagnet (9) is magnetically connected with the turning plate (6), a sealing plate (18) is fixedly installed at the inner bottom of the inner cavity (7), a transmission pipe (19) is fixedly installed on the surface of the sealing plate (18), the input end of the transmission pipe (19) is communicated with the powder storage cavity, a rotary spray nozzle (12) is rotatably connected to one side of the sealing plate (18), a rotary spray nozzle (8) is installed on one side, far away from the sealing plate (18), and a through hole (16) is formed in the input end of the rotary spray nozzle (12), the through hole (16) is intermittently communicated with the transmission pipe (19).
In this embodiment, a sleeve (11) is fixedly mounted on the side edge of the powder storage cavity (10), a screw rod (13) is connected to the inside of the sleeve (11) in a sliding manner, a pull ring (14) is fixedly mounted on the back side of the turning plate (6), a pull rope (15) is wound on the surface of the pull ring (14), the pull ring (14) is connected with the screw rod (13) through the pull rope (15), a reset mechanism is mounted inside the sleeve (11) to reset the screw rod (13), a gear (17) is mounted on the side surface of the rotary spray head (12), and the gear (17) is meshed with the screw rod (13) and connected with the screw rod.
In this embodiment, the monitoring mechanism (4) comprises a sliding table (401) sliding on the damping sliding rail (3), a controller (403) and a roadway hydrographic electromagnetic transient detection device (404) are fixedly mounted inside the sliding table (401), and a sliding wheel (406) is rotatably connected inside the sliding table (401).
In this embodiment, the upper surface of the sliding table (401) is fixedly provided with a connecting piece (402), the upper part of the connecting piece (402) is rotatably connected with a telescopic shaft (405), the upper end of the telescopic shaft (405) is fixedly provided with a connecting sleeve (407), the upper surface of the connecting sleeve (407) is fixedly provided with a rotating rod (408), the upper end of the rotating rod (408) is fixedly provided with a protective shell (410), and the upper surface of the protective shell (410) is fixedly provided with a flexible pad (413).
In this embodiment, the inside of adapter sleeve (407) is rotated and is connected with pivot (411), pivot (411) and fixed plate (2) fixed connection, and the upper end dorsal part fixed mounting of bull stick (408) has connecting plate (409), and connecting plate (409) slides in the inside of arc spout (201).
In this embodiment, limiting plates (301) are fixedly mounted at two ends of the damping slide rail (3), a damping plate (302) is fixedly mounted on the front surface of the fixing plate (2), an inner groove (303) is formed in the damping slide rail (3), buffer springs are fixedly mounted on the upper side and the lower side of the damping plate (302), and the damping plate (302) is fixedly connected with the inner edge of the inner groove (303) through the buffer springs.
In the embodiment, the controller (403) controls the sliding wheel (406) to roll on the outer surface of the damping sliding rail (3), and the output end of the roadway hydrology electromagnetic transient detection device (404) is electrically connected with the controller (403).
The embodiment can realize that: the fixed plate (2) is installed on the back surface of the excavating equipment, the damping slide rail (3) is installed on one side of the fixed plate (2), the monitoring mechanism (4) slides on the damping slide rail (3), the roadway hydrological electromagnetic transient detection equipment (404) detects the hydrological condition of a small fault with an increased signal, the controller (403) can quickly identify the extending track of the small fault, when the situation that the water body in the small fault reaches the rock surface is detected, the controller (403) controls the sliding wheel (406) in the sliding table (401) to slide on the outer surface of the damping slide rail (3), so that the sliding table (401) integrally moves back to the direction of a collapsed surface to provide a first layer of protection for the monitoring mechanism (4), and meanwhile, due to the integral movement of the sliding table (401), the upper surface of the sliding table (401) is rotatably connected with the protective shell (410) through the connecting piece (402), the telescopic shaft (405), the connecting sleeve (407), the connecting plate (409) and the rotating rod (408), connecting plate (409) slide in arc spout (201), and then drive protecting crust (410) and flexible pad (413) and remove to the direction opposite with slide table (401), wholly provide the second floor protection to slide table (401) to prevent that detection equipment from being damaged by the accident of permeating water as if suddenly, have better practicality and security.
When the dynamic monitoring system is used, firstly, before the section of a roadway is excavated, roadway hydrological electromagnetic transient detection equipment (404) arranged on the back of excavation equipment detects the fault water-rich condition of the roadway with the section to quickly find the large water-rich fault of the section of the roadway, the tail of an injection anchor rod (1) is driven into the large water-rich fault, the electromagnet (9) is controlled to supply power intermittently, the electromagnet (9) is magnetically connected with a turning plate (6), a pull ring (14) on the back side of the turning plate (6) is connected with a screw rod (13) through a pull rope (15), the screw rod (13) is further pulled to move in a sleeve (11), and the screw rod (13) and a gear (17) are in threaded transmission, so that a rotary spray head (12) and the gear (17) are driven to integrally rotate, and a through hole (16) and a transmission pipe (19) are intermittently coincided, the rotary spray head (12) and the rotary spray nozzle (8) uniformly spray graphite powder (5) to a water-rich fault to increase the conductivity of water in the fault, secondly, due to the mining action in the mining process, a large number of small faults appear at the edge of a large fault, the roadway hydrological electromagnetic transient detection equipment (404) detects the hydrological condition of the small fault with increased signals, the controller (403) can quickly identify the extension track of the small fault, then, when the fact that a water body in the small fault reaches the rock surface is detected, the controller (403) controls the sliding wheel (406) in the sliding table (401) to slide on the outer surface of the damping sliding rail (3), so that the sliding table (401) integrally moves towards the direction back to the collapse surface, the monitoring mechanism (4) integrally provides first layer protection, and meanwhile, due to the integral movement of the sliding table (401), the upper surface of the sliding table (401) is connected with the connecting piece (402), Telescopic shaft (405), adapter sleeve (407), connecting plate (409) and bull stick (408) are connected with protecting crust (410) rotation, connecting plate (409) slide in arc spout (201), and then drive protecting crust (410) and flexible pad (413) and remove to the direction opposite with slide bench (401), wholly provide the second floor protection to slide bench (401), in order to prevent that detection equipment from being damaged by the accident of permeating water that suddenly comes, last controller (403) are real-time to the central transmission of alarm and are surveyed and alarm signal, and take place the extended position of little fault and water yield information to the alarm center in the lump, supplementary alarm center provides suitable improvement scheme.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A coal mine hydrology dynamic monitoring system is characterized in that: the device comprises graphite powder for enhancing the conductivity of fault water, an injection anchor rod for injecting the graphite powder into a water-rich large fault and a fixing plate arranged on the back side of the tunneling equipment, wherein a damping slide rail is arranged on one side of the fixing plate, which is far away from the tunneling equipment, the surface of the damping slide rail is connected with a monitoring mechanism in a sliding manner, and an arc-shaped sliding groove is formed in the surface of the fixing plate; the tail end of the injection anchor rod is rotatably connected with a turning plate, a powder storage cavity is formed in the injection anchor rod, the graphite powder is stored in the powder storage cavity, an inner cavity is formed in the side face of the injection anchor rod and is located at the bottom of the turning plate, an electromagnet is fixedly installed at the bottom of the inner cavity and is magnetically connected with the turning plate, a sealing plate is fixedly installed at the inner bottom of the inner cavity, a transmission pipe is fixedly installed on the surface of the sealing plate, the input end of the transmission pipe is communicated with the powder storage cavity, one side of the sealing plate is rotatably connected with a rotary nozzle, one side of the rotary nozzle, which is far away from the sealing plate, is provided with a rotary nozzle, the input end of the rotary nozzle is provided with a through hole, and the through hole is intermittently communicated with the transmission pipe; the monitoring mechanism comprises a sliding table sliding on a damping sliding rail, a controller and roadway hydroelectromagnetic transient detection equipment are fixedly installed in the sliding table, and a sliding wheel is rotatably connected in the sliding table; the upper surface of the sliding table is fixedly provided with a connecting piece, a telescopic shaft is rotatably connected above the connecting piece, the upper end of the telescopic shaft is fixedly provided with a connecting sleeve, the upper surface of the connecting sleeve is fixedly provided with a rotating rod, the upper end of the rotating rod is fixedly provided with a protective shell, and the upper surface of the protective shell is fixedly provided with a flexible pad; the inner part of the connecting sleeve is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a fixed plate, a connecting plate is fixedly arranged on the back side of the upper end of the rotating rod, and the connecting plate slides in the arc-shaped sliding chute; the coal mine hydrological dynamic monitoring system comprises the following steps:
a: before the section of a roadway is excavated, roadway hydrological electromagnetic transient detection equipment arranged on the back of excavation equipment detects the fault water-rich condition of the roadway with the section to quickly find out a water-rich large fault with the section of the roadway, the tail part of an injection anchor rod is driven into the water-rich large fault, the electromagnet is controlled to supply power intermittently, the electromagnet is magnetically connected with a turning plate, a pull ring on the back side of the turning plate is connected with a screw rod through a pull rope, the screw rod is further pulled to move in a sleeve, and the rotary spray head and a gear are driven to rotate integrally due to the screw thread transmission of the screw rod and the gear, so that a through hole and a transmission pipe are overlapped intermittently, and the rotary spray head and the rotary spray nozzle uniformly spray graphite powder into the water-rich fault to increase the conductivity of water in the fault;
b: after the step A is finished, due to the mining action in the mining process, the edges of the large faults are enabled to have more small faults, the roadway hydrological electromagnetic transient detection equipment detects the hydrological condition of the small faults with increased signals, and the controller rapidly identifies the extension tracks of the small faults;
c: when the step B is completed, when the fact that the water body in the small fault reaches the rock surface is detected, the controller controls the sliding wheels in the sliding table to slide on the outer surface of the shock absorption sliding rail, so that the sliding table integrally moves back to the direction of the collapsed surface, a first layer of protection is provided for the monitoring mechanism integrally, meanwhile, due to the fact that the sliding table integrally moves, the upper surface of the sliding table is rotatably connected with the protective shell through the connecting piece, the telescopic shaft, the connecting sleeve, the connecting plate and the rotating rod, the connecting plate slides in the arc-shaped sliding groove, the protective shell and the flexible pad are driven to move in the direction opposite to the direction of the sliding table, a second layer of protection is provided for the sliding table integrally, and therefore the detection equipment is prevented from being damaged by sudden water penetration accidents;
d: and C, simultaneously, the controller transmits detection and alarm signals to an alarm center in real time, and the extension position of the minor fault and the water quantity information are generated to the alarm center.
2. The coal mine hydrological dynamic monitoring system according to claim 1, characterized in that: the powder storage device comprises a powder storage cavity, and is characterized in that a sleeve is fixedly mounted on the side edge of the powder storage cavity, a screw rod is slidably connected inside the sleeve, a pull ring is fixedly mounted on the back side of the turning plate, a pull rope is wound on the surface of the pull ring, the pull ring is connected with the screw rod through the pull rope, a reset mechanism is mounted inside the sleeve to reset the screw rod, a gear is mounted on the side surface of the rotary spray head, and the gear is meshed with the screw rod and is connected with the screw rod.
3. The coal mine hydrological dynamic monitoring system according to claim 1, characterized in that: the damping slide rail is characterized in that limiting plates are fixedly mounted at two ends of the damping slide rail, a damping plate is fixedly mounted on the front surface of the fixing plate, an inner groove is formed in the damping slide rail, buffer springs are fixedly mounted on the upper side and the lower side of the damping plate, and the damping plate is fixedly connected with the inner edge of the inner groove through the buffer springs.
4. The coal mine hydrological dynamic monitoring system according to claim 1, characterized in that: the controller controls the sliding wheel to roll on the outer surface of the damping sliding rail, and the output end of the roadway hydrology electromagnetic transient detection device is electrically connected with the controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210051961.XA CN114412571B (en) | 2022-01-18 | 2022-01-18 | Coal mine hydrological dynamic monitoring system |
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| CN202210051961.XA CN114412571B (en) | 2022-01-18 | 2022-01-18 | Coal mine hydrological dynamic monitoring system |
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| WO2015103720A1 (en) * | 2014-01-07 | 2015-07-16 | 山东大学 | Tunnel construction large-scale comprehensive geophysics advance detection model test apparatus |
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