Device for exploring water flowing fractured zone of coal seam roof

Abstract

The utility model discloses a coal seam roof water diversion fissure zone probing device, which relates to the technical field of coal seam roof water disaster prevention and control and comprises a vehicle-mounted seat, a square brake roller arranged below the vehicle-mounted seat, a support plate fixedly mounted in the middle of the vehicle-mounted seat, a display screen mounted in front of the support plate and a probing component arranged on the rear side of the support plate. The probing assembly is fixedly installed on the vehicle-mounted seat, the probing assembly comprises an installation seat, a driving motor and a winding wheel, and a measuring scanner is fixedly installed on the side, corresponding to the supporting plate, of the installation seat. Water is injected into the plugging section through the water pump and the water filling pipe, the water flows into the drill hole through the through hole, the change condition of the vertical leakage water amount of the stratum is obtained through calculation, and the development height of the water flowing fractured zone of the coal seam roof is researched by analyzing the leakage water amount and the water level change condition of the vertical different-depth stratums of the Luhe group in the drill hole so as to guarantee that the water flowing fractured zone can meet the exploration requirement. And the safety during recovery is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal seam roof water hazard prevention and control, in particular to a coal seam roof water-conducting fracture zone detection device. Background Art

[0002] After coal mining, the roof will be destroyed. When the coal seam is below the aquifer, the cracks caused by the roof destruction will penetrate to form a roof water-conducting fracture zone, connecting the roof aquifer and the goaf, and conducting roof water into the goaf, thereby worsening the working environment of the working face and even causing water disasters.

[0003] In the prior art, when the coal seam begins to be mined, the water pressure condition in the sandstone aquifer on the roof is destroyed, and it will gush out through the working face and the roof of the goaf formed, causing the aquifer water to enter the underground, causing water in the mine. As the mining face continues, the amount of water inflow from the coal seam roof usually increases gradually. However, due to the heterogeneity of the sandstone strata, water inrush occurs from time to time in the mining face. In severe cases, it will cause the mining face to stop production, posing a serious threat to the normal safe production of the mine. In response to this, we propose a coal seam roof water-conducting fracture zone detection device. Utility Model Content

[0004] The purpose of the utility model is to provide a device for detecting water-conducting fracture zones in the roof of a coal seam, so as to solve the problem in the prior art proposed in the above-mentioned background technology that, after the coal seam begins to be mined, as the mining face continues, the amount of water gushing from the roof of the coal seam usually increases gradually, but due to the heterogeneity of the sandstone strata, water inrush occurs from time to time in the mining face, which may cause the mining face to stop production in severe cases, posing a serious threat to the normal safe production of the mine.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal seam roof water-conducting fracture zone detection device, comprising a vehicle-mounted seat, a brake roller wheel is arranged in a square shape below the vehicle-mounted seat, handrails are arranged on the left and right sides of the vehicle-mounted seat, a support plate is fixedly installed on the middle part of the vehicle-mounted seat, a display screen is installed in front of the support plate, a detection component is arranged on the rear side of the support plate, and the detection component is fixedly installed on the vehicle-mounted seat;

[0006] The detection assembly includes a mounting seat, a driving motor and a winding wheel. A measuring scanner is fixedly installed on one side of the mounting seat corresponding to the supporting plate, and the measuring scanner is arranged on the rear side of the pull rope. A hose and a pipe sleeve are arranged on the inner side of the mounting seat, and the pipe sleeve is installed under the hose. The lower end of the hose is connected with a pull rope, and the pull rope passes through the inside of the hose and is wound on the winding wheel. The winding wheel is fixedly installed on the driving motor. A water filling pipe and an air filling pipe are arranged on both sides of the pull rope, and the water filling pipe and the air filling pipe are fixedly plugged on the hose. An upper plug and a lower plug are respectively provided on the upper and lower sides of the pipe sleeve, and the upper plug and the lower plug are installed through the side wall of the pipe sleeve, and the upper plug and the lower plug are connected through a connecting pipe. A through hole is opened in a ring shape on the outer side of the pipe sleeve, and the through hole is connected to the inside of the pipe sleeve.

[0007] Preferably, the water filling pipe is connected to the inside of the pipe sleeve, and the outside of the water filling pipe is fixedly installed on the water pump.

[0008] Preferably, the outer end of the inflation tube is fixedly mounted on the air pump, and the inflation tube is connected to the interior of the upper plug.

[0009] Preferably, the display screen and the measurement scanner are both connected to the controller via wires.

[0010] Preferably, the pipe sleeve and the hose are internally communicated, and a hole groove for plugging the pipe sleeve and the hose is provided on the vehicle mount.

[0011] Preferably, the upper plug and the lower plug are both glued to the pipe sleeve, and the upper plug and the lower plug are provided with folding lines distributed along the radial direction.

[0012] Preferably, the pull rope passes through the mounting seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. This coal seam roof water-conducting fracture zone exploration device, by turning on the driving motor, allows the winding wheel to disengage from the winding of the pull rope, and then, through the measuring scanner, it can be detected in real time. By calculating the movement of the pull rope per unit time, the length of the measuring scanner can be known, and thus the exploration depth can be known; after the sleeve is moved to the specified depth, gas is filled into the inflation tube through an air pump, and the gas will cause the upper plug and the lower plug to move radially, thereby blocking the upper and lower ends of the sleeve to form a plugging section; water is injected into the plugging section through the water filling pipe through a water pump, and water flows out from the through hole into the borehole, and the vertical water loss change of the formation is calculated. By analyzing the vertical water loss and water level changes of the Luohe Formation at different depths in the borehole, the development height of the coal seam roof water-conducting fracture zone is studied to ensure that it can meet the exploration needs and improve the safety during mining. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of a half-section structure of the utility model;

[0017] Figure 3 For the utility model Figure 2 The enlarged view of M;

[0018] Figure 4 It is a top view schematic diagram of the utility model;

[0019] Figure 5 It is a left side schematic diagram of the utility model.

[0020] In the figure: 1. vehicle seat; 11. handrail; 12. brake roller; 2. exploration component; 20. mounting seat; 21. water filling pipe; 22. air filling pipe; 23. measuring scanner; 24. driving motor; 241. winding wheel; 25. hose; 26. pipe sleeve; 27. through hole; 281. upper plug; 282. lower plug; 283. connecting pipe; 3. support plate; 4. display screen. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: See Figure 1-5 The utility model provides a technical solution: a coal seam roof water-conducting fracture zone detection device, which is mainly aimed at improving the problem in the prior art that when the coal seam begins to be mined, as the mining face continues to proceed, the amount of water gushing from the coal seam roof usually increases gradually, but due to the heterogeneity of the sandstone strata, water inrush occurs from time to time in the mining face, which may cause the mining face to stop production in severe cases, posing a serious threat to the normal safe production of the mine. The specific scheme is as follows: It includes a vehicle-mounted seat 1, a brake roller 12 is arranged in a square shape below the vehicle-mounted seat 1, and handrails 11 are arranged on both sides of the vehicle-mounted seat 1. By arranging the brake roller 12 below the vehicle-mounted seat 1, the movement of the detection device can be facilitated.

[0023] Furthermore, a support plate 3 is fixedly installed in the middle of the vehicle seat 1, and the support plate 3 is fixedly installed on the vehicle seat 1 by screws. A display screen 4 is installed in front of the support plate 3, and a detection component 2 is arranged on the rear side of the support plate 3, and the detection component 2 is fixedly installed on the vehicle seat 1;

[0024] See also Figure 1 and Figure 2 , wherein the detection assembly 2 includes a mounting seat 20, a driving motor 24 and a reel 241, and the driving motor 24 is connected to the control switch through a wire. A measuring scanner 23 is fixedly installed on one side of the mounting seat 20 corresponding to the support plate 3, and the measuring scanner 23 can measure the moving length of the pull rope. The display screen 4 and the measuring scanner 23 are both connected to the controller through a wire. A hose 25 and a sleeve 26 are arranged on the inner side of the mounting seat 20, and the sleeve 26 is installed under the hose 25. The lower end of the hose 25 is connected to a pull rope, and the measuring scanner 23 is arranged on the rear side of the pull rope, and the pull rope passes through the mounting seat 20. The pull rope passes through the inside of the hose 25 and is wound on the reel 241, and the reel 241 is fixedly installed on the driving motor 24. By calculating the movement of the pull rope per unit time, the length of the measuring scanner 23 can be known.

[0025] like Figure 2 As shown, a water filling pipe 21 and an air filling pipe 22 are arranged on both sides of the pull rope, the water filling pipe 21 is connected to the inside of the pipe sleeve 26, and the outside of the water filling pipe 21 is fixedly installed on the water pump. The outer end of the air filling pipe 22 is fixedly installed on the air pump. Through the arrangement of the air pump and the water pump, gas and water can be respectively filled into the air filling pipe 22 and the water filling pipe 21. It is worth noting that, among them, one-way valves are arranged on both the water filling pipe 21 and the air filling pipe 22.

[0026] Furthermore, the water filling pipe 21 and the air filling pipe 22 are both fixedly plugged on the hose 25, the pipe sleeve 26 and the hose 25 are internally connected, and a hole groove for plugging the pipe sleeve 26 and the hose 25 is opened on the vehicle seat 1. The upper and lower sides of the pipe sleeve 26 are respectively provided with an upper plug 281 and a lower plug 282, the upper plug 281 and the lower plug 282 penetrate the side wall of the pipe sleeve 26, and are connected through a connecting pipe 283. The upper plug 281 and the lower plug 282 are both glued to the pipe sleeve 26, and the upper plug 281 and the lower plug 282 are provided with folding lines distributed along the radial direction. After the gas is filled into the air filling pipe 22, the gas will cause the upper plug 281 and the lower plug 282 to move radially, thereby blocking the upper and lower ends of the pipe sleeve 26 to form a blocking section; and after the water is filled into the water filling pipe 21, the water can enter the pipe sleeve 26.

[0027] Furthermore, a through hole 27 is provided in an annular shape on the outer side of the pipe sleeve 26, and the through hole 27 is connected to the inside of the pipe sleeve 26. The air filling pipe 22 is connected to the inside of the upper plug 281. Water is pumped into the plugging section from the water filling pipe 21, and the water flows out from the through hole 27 into the borehole. The vertical water loss change of the formation is calculated and obtained. By analyzing the vertical water loss and water level change of the formation at different depths in the borehole, the height of the water-conducting fracture zone in the roof of the coal seam is studied to ensure that it can meet the exploration needs and improve the safety during mining.

[0028] Working principle: When conducting the exploration operation, the device for detecting the water-conducting fracture zone of the coal seam roof is used to open a sagging hole in a special tunnel excavated above the observed coal seam for detection; and the vehicle-mounted seat 1 is pushed above the sagging hole; the driving motor 24 is turned on to make the winding wheel 241 disengage from the winding of the pull rope. At this time, the measuring scanner 23 can detect in real time, and the length of the measuring scanner 23 can be known by calculating the movement of the pull rope per unit time; when the pull rope moves downward, the hose 25 can be stretched by the deadweight of the pipe sleeve 26; after the pipe sleeve 26 moves to the specified depth, the air pump is used to pump the air into the inflatable pipe 2 2 is filled with gas, which will make the upper plug 281 and the lower plug 282 move radially, thereby blocking the upper and lower ends of the pipe sleeve 26, and the gas filling of the upper plug 281 and the lower plug 282 can block the side wall of the borehole to form a plugging section; water is pumped into the plugging section through the water filling pipe 21, and the water flows out from the through hole 27 into the borehole, and the vertical water loss change of the formation is calculated. By analyzing the vertical water loss and water level changes of the Luohe Formation at different depths in the borehole, the development height of the water-conducting fracture zone in the coal seam roof is studied to ensure that it can meet the exploration needs and improve the safety during mining.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal seam roof water-conducting fracture zone detection device, comprising a vehicle-mounted seat (1), a brake roller (12) is arranged in a square shape below the vehicle-mounted seat (1), and handrails (11) are arranged on both sides of the vehicle-mounted seat (1), characterized in that: A support plate (3) is fixedly mounted on the middle part of the vehicle seat (1), a display screen (4) is mounted in front of the support plate (3), a detection component (2) is arranged on the rear side of the support plate (3), and the detection component (2) is fixedly mounted on the vehicle seat (1); The detection assembly (2) comprises a mounting seat (20), a driving motor (24) and a winding wheel (241); a measuring scanner (23) is fixedly mounted on one side of the mounting seat (20) corresponding to the supporting plate (3); the measuring scanner (23) is arranged at the rear side of the pull rope; a hose (25) and a pipe sleeve (26) are arranged on the inner side of the mounting seat (20); the pipe sleeve (26) is installed below the hose (25); a pull rope is connected to the lower end of the hose (25); the pull rope passes through the inside of the hose (25) and is wound around the winding wheel (241); the winding wheel (241) is fixedly mounted on the driving motor (2 4), a water filling pipe (21) and an air filling pipe (22) are arranged on both sides of the pull rope, and the water filling pipe (21) and the air filling pipe (22) are fixedly plugged on the hose (25), and an upper plug (281) and a lower plug (282) are respectively arranged on the upper and lower sides of the pipe sleeve (26), and the upper plug (281) and the lower plug (282) penetrate the side wall of the pipe sleeve (26) for installation, and the upper plug (281) and the lower plug (282) are connected through a connecting pipe (283), and a through hole (27) is opened in an annular shape on the outer side surface of the pipe sleeve (26), and the through hole (27) is connected to the inside of the pipe sleeve (26).

2. The coal seam roof water-conducting fracture zone detection device according to claim 1, characterized in that: The water filling pipe (21) is internally connected to the pipe sleeve (26), and the outside of the water filling pipe (21) is fixedly mounted on the water pump.

3. The coal seam roof water-conducting fracture zone detection device according to claim 1, characterized in that: The outer end of the inflation tube (22) is fixedly mounted on the air pump, and the inflation tube (22) is internally communicated with the upper plug (281).

4. The coal seam roof water-conducting fracture zone detection device according to claim 1, characterized in that: The display screen (4) and the measuring scanner (23) are both connected to the controller via wires.

5. The coal seam roof water-conducting fracture zone detection device according to claim 1, characterized in that: The pipe sleeve (26) and the hose (25) are internally connected, and a hole groove for plugging the pipe sleeve (26) and the hose (25) is provided on the vehicle-mounted seat (1).

6. The coal seam roof water-conducting fracture zone detection device according to claim 1, characterized in that: The upper plug (281) and the lower plug (282) are both glued to the pipe sleeve (26), and the upper plug (281) and the lower plug (282) are provided with folding lines distributed along the radial direction.

7. The coal seam roof water-conducting fracture zone detection device according to claim 1, characterized in that: The pull rope passes through the mounting seat (20).

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