Coal mine pressure monitoring device

Abstract

The utility model belongs to the technical field of mine pressure monitoring, and particularly relates to a coal mine pressure monitoring device which comprises a fixing frame, one side of the fixing frame is fixedly connected with a motor, the output end of the motor extends into the fixing frame and is fixedly connected with a first reciprocating lead screw, and the outer wall of the first reciprocating lead screw is connected with a first sliding block through a lead screw nut pair. The first sliding block is connected with the fixing frame in a sliding mode, the top of the first sliding block is fixedly connected with a mounting base, the top of the mounting base is provided with a body, one side of the body is provided with a display screen, and the interior of the mounting base is provided with a clamping assembly used in cooperation with the body. The motor controls the body to move left and right in a reciprocating mode to monitor different positions of the coal mine roof, and the cleaning brush moves up and down in a reciprocating mode through cooperation of the gear and the rack while the body moves, so that the display screen is cleaned, and coal ash is prevented from covering the display screen to affect observation of monitoring data of operators.

Description

Technical Field

[0001] The utility model belongs to the field of mine pressure monitoring, in particular to a coal mine pressure monitoring device. Background Art

[0002] The roof of a coal seam is composed of a pseudo roof, a direct roof and an old roof. The pseudo roof refers to a thin rock layer that is close to the coal seam and is very easy to collapse; the direct roof is located above the pseudo roof or coal seam, and is generally composed of one or several layers of mudstone, shale, siltstone and other rock layers with uncertain thickness that are relatively easy to collapse. The direct roof can be divided into unstable roof, medium stable roof, stable roof and hard roof according to its stability; the old roof is also called the basic roof, which generally refers to the thick and hard rock layer located above the direct roof. In coal mining, it is often necessary to use a pressure gauge to test the pressure of the coal mine roof.

[0003] In the existing technology, when monitoring the pressure of a coal mine, the pressure gauge is mostly installed at the bottom of the coal mine roof, and the pressure gauge is pulled to move at the bottom of the coal mine roof by a driving mechanism to monitor different positions on the top of the coal mine. However, the pressure gauge is placed in the coal mine for a long time, so that thick coal ash accumulates on the surface. The coal ash is not easy to clean, which makes it inconvenient for operators to conveniently view the monitoring data.

[0004] To this end, the utility model provides a coal mine pressure monitoring device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problem that the pressure gauge is placed in the coal mine for a long time, resulting in thick coal dust accumulating on the surface, which is difficult to clean and inconvenient for operators to view monitoring data, the utility model proposes a coal mine pressure monitoring device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a coal mine pressure monitoring device described in the utility model comprises a fixed frame, one side of the fixed frame is fixedly connected with a motor, the output end of the motor extends to the inside of the fixed frame and is fixedly connected with a first reciprocating screw, the outer wall of the first reciprocating screw is connected with a first slider through a screw nut pair, the first slider is slidably connected to the fixed frame, the top of the first slider is fixedly connected with a mounting seat, the top of the mounting seat is provided with a body, one side of the body is installed with a display screen, the inside of the mounting seat is provided with a clamping assembly used in conjunction with the body, the outer wall of the body is symmetrically fixedly connected with two fixed plates, a limit shaft is fixedly connected between the two fixed plates, the outer wall of the limit shaft is slidably connected with a slide plate, one side of the slide plate is provided with a cleaning unit, the inner wall of the fixed plate is rotatably connected with a second reciprocating screw, the second reciprocating screw is connected to the slide plate through a screw nut pair, the bottom of the second reciprocating screw is fixedly connected with a gear, the outer wall of the fixed frame is fixedly connected with a rack, and the gear is meshed with the rack.

[0007] Preferably, the clamping assembly includes two clamping seats, both of which are slidably connected to the mounting seat, two cylinders are symmetrically fixedly connected inside the mounting seat, and the output ends of the two cylinders are fixedly connected to a second slider, and the two second sliders are respectively fixedly connected to the two clamping seats.

[0008] Preferably, the cleaning unit includes two sliding shafts, both of which are slidably connected to the slide plate, one end of each of the sliding shafts is fixedly connected to a limiting block, the other end of each of the sliding shafts is fixedly connected to a cleaning brush, and the outer walls of each of the sliding shafts are provided with springs.

[0009] Preferably, the two clamping seats are both configured to be L-shaped, and outer walls of the two clamping seats are fixedly connected with reinforcing ribs.

[0010] Preferably, two brackets are symmetrically fixedly connected to the top of the fixing frame, and mounting screws are arranged inside the two brackets.

[0011] Preferably, the body and the bracket are of equal height.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model discloses a coal mine pressure monitoring device, in which a main body is mounted on a fixed frame by a clamping assembly, and a motor is used to control the main body to move back and forth left and right, so as to monitor different positions of the coal mine roof; while the main body moves, a cleaning brush is moved back and forth up and down by the cooperation of a gear and a rack, so as to clean the display screen and prevent coal dust from covering the display screen and affecting the operators' viewing of monitoring data. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is one of the three-dimensional display diagrams of the utility model;

[0016] Figure 2 This is the second three-dimensional display diagram of the utility model;

[0017] Figure 3 This is the third three-dimensional display diagram of the utility model;

[0018] Figure 4 It is an enlarged view of point A of the utility model;

[0019] Figure 5 It is an enlarged view of point B of the utility model;

[0020] In the figure: 1. fixed frame; 2. motor; 3. first reciprocating screw; 4. first slider; 5. mounting seat; 6. cylinder; 7. second slider; 8. clamping seat; 9. main body; 10. display screen; 11. fixed plate; 12. limit shaft; 13. slide plate; 14. second reciprocating screw; 15. slide shaft; 16. spring; 17. cleaning brush; 18. limit block; 19. rack; 20. gear; 21. bracket; 22. mounting screw. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 5 As shown, the utility model provides a technical solution, a coal mine pressure monitoring device, including a fixed frame 1, a motor 2 is fixedly connected to one side of the fixed frame 1, the output end of the motor 2 extends to the inside of the fixed frame 1 and is fixedly connected to a first reciprocating screw 3, the outer wall of the first reciprocating screw 3 is connected to a first slider 4 through a screw nut pair, the first slider 4 is slidably connected to the fixed frame 1, the top of the first slider 4 is fixedly connected to a mounting seat 5, a body 9 is arranged on the top of the mounting seat 5, a display screen 10 is installed on one side of the body 9, and a matching The clamping assembly used in the main body 9 has two fixed plates 11 symmetrically fixedly connected to the outer wall of the main body 9, a limit shaft 12 is fixedly connected between the two fixed plates 11, a slide plate 13 is slidably connected to the outer wall of the limit shaft 12, a cleaning unit is provided on one side of the slide plate 13, the inner wall of the fixed plate 11 is rotatably connected to a second reciprocating screw 14, the second reciprocating screw 14 is connected to the slide plate 13 through a screw nut pair, the bottom of the second reciprocating screw 14 is fixedly connected to a gear 20, the outer wall of the fixed frame 1 is fixedly connected to a rack 19, and the gear 20 is meshingly connected to the rack 19.

[0023] Through the above technical scheme, the main body 9 is placed on the mounting seat 5, and the main body 9 is clamped and fixed by the clamping assembly so that the main body 9 and the mounting seat 5 are firmly installed, and the motor 2 is started to rotate the first reciprocating screw 3, drive the first slider 4 to move back and forth left and right, and make the mounting seat 5 move back and forth left and right, drive the main body 9 to move back and forth left and right, so that the main body 9 can monitor different positions of the coal mine roof. When the main body 9 moves, it drives the gear 20 to move. Through the set rack 19, the gear 20 rotates while moving, driving the second reciprocating screw 14 to rotate, so that the slide plate 13 moves back and forth up and down, and drives the cleaning unit to move back and forth up and down. The cleaning unit can clean the display screen 10 to prevent coal ash from covering the display screen 10 and affecting the operators' viewing of monitoring data.

[0024] Specifically, the clamping assembly includes two clamping seats 8, both of which are slidably connected to the mounting seat 5, and two cylinders 6 are symmetrically fixedly connected inside the mounting seat 5. The output ends of the two cylinders 6 are fixedly connected to the second sliders 7, and the two second sliders 7 are fixedly connected to the two clamping seats 8 respectively.

[0025] Through the above technical solution, the main body 9 is placed on the mounting seat 5, and the two second sliders 7 are driven by the two cylinders 6 to approach each other, so that the two clamping seats 8 are approached to each other, and the main body 9 is clamped and fixed by the two clamping seats 8, so that the main body 9 and the mounting seat 5 are firmly installed.

[0026] Specifically, the cleaning unit includes two sliding shafts 15, both of which are slidably connected to the slide plate 13, one end of the two sliding shafts 15 is fixedly connected to the limiting block 18, the other end of the two sliding shafts 15 is fixedly connected to the cleaning brush 17, and the outer walls of the two sliding shafts 15 are provided with springs 16.

[0027] Through the above technical solution, the slide plate 13 moves back and forth up and down, driving the cleaning brush 17 to move back and forth up and down. The cleaning brush 17 can brush off the coal dust on the display screen 10. Through the two springs 16, the cleaning brush 17 can be pressed against the display screen 10, which has a better effect on cleaning the display screen 10.

[0028] Specifically, the two clamping seats 8 are both configured to be L-shaped, and the outer walls of the two clamping seats 8 are fixedly connected with reinforcing ribs.

[0029] Through the above technical solution, the L-shaped clamping seat 8 is combined with the reinforcing ribs to make the strength of the clamping seat 8 higher, thereby improving the firmness of clamping the main body 9.

[0030] Specifically, two brackets 21 are symmetrically fixedly connected to the top of the fixing frame 1 , and mounting screws 22 are disposed inside the two brackets 21 ; the height of the body 9 is equal to that of the brackets 21 .

[0031] Through the above technical solution, the fixing frame 1 can be fixed under the coal mine roof by installing screws 22 and cooperating with the bracket 21, so that the main body 9 can monitor the pressure of the coal mine roof conveniently. After the coal mine roof sinks, the main body 9 can monitor it in time, and the pressure data of the coal mine roof can be displayed through the display screen 10.

[0032] When in use, the body 9 is placed on the mounting seat 5, and the two second sliders 7 are driven by the two cylinders 6 to approach each other, so that the two clamping seats 8 are approached each other, and the body 9 is clamped and fixed by the two clamping seats 8, so that the body 9 and the mounting seat 5 are firmly installed, and the motor 2 is started to rotate the first reciprocating screw rod 3, drive the first slider 4 to move back and forth left and right, and make the mounting seat 5 move back and forth left and right, and drive the body 9 to move back and forth left and right, so that the body 9 can monitor different positions of the coal mine roof. While the body 9 moves, it drives the gear 20 to move, and through the set rack 19, the gear 20 rotates while moving, driving the second reciprocating screw rod 14 to rotate, so that the slide plate 13 moves back and forth up and down, and drives the cleaning brush 17 to move back and forth up and down. The cleaning brush 17 can brush off the coal dust on the display screen 10, and through the two set springs 16, the cleaning brush 17 can be pressed against the display screen 10, and the effect of cleaning the display screen 10 is better, thereby facilitating the operator to view the monitoring data of the coal mine roof.

[0033] The above-mentioned front, back, left, right, top and bottom are all based on the figures in the specification. Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0035] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A coal mine pressure monitoring device, characterized in that: The invention comprises a fixing frame (1), one side of the fixing frame (1) is fixedly connected to a motor (2), an output end of the motor (2) extends into the interior of the fixing frame (1) and is fixedly connected to a first reciprocating screw rod (3), an outer wall of the first reciprocating screw rod (3) is connected to a first slider (4) via a screw nut pair, the first slider (4) is slidably connected to the fixing frame (1), a mounting seat (5) is fixedly connected to the top of the first slider (4), a body (9) is arranged on the top of the mounting seat (5), a display screen (10) is installed on one side of the body (9), a clamping assembly used in conjunction with the body (9) is arranged inside the mounting seat (5), and the present invention is characterized in that the fixing frame (1) is fixedly connected to the top of the first slider (4), and a display screen (10) is installed on one side of the body (9), and a clamping assembly used in conjunction with the body (9) is arranged inside the mounting seat (5). The outer wall of the body (9) is symmetrically fixedly connected to two fixed plates (11), a limit shaft (12) is fixedly connected between the two fixed plates (11), the outer wall of the limit shaft (12) is slidably connected to a slide plate (13), one side of the slide plate (13) is provided with a cleaning unit, the inner wall of the fixed plate (11) is rotatably connected to a second reciprocating screw (14), the second reciprocating screw (14) is connected to the slide plate (13) via a screw nut pair, the bottom of the second reciprocating screw (14) is fixedly connected to a gear (20), the outer wall of the fixed frame (1) is fixedly connected to a rack (19), and the gear (20) is meshingly connected to the rack (19).

2. A coal mine pressure monitoring device according to claim 1, characterized in that: The clamping assembly comprises two clamping seats (8), the two clamping seats (8) are slidably connected to the mounting seat (5), two cylinders (6) are symmetrically fixedly connected inside the mounting seat (5), the output ends of the two cylinders (6) are fixedly connected to a second slider (7), and the two second sliders (7) are respectively fixedly connected to the two clamping seats (8).

3. A coal mine pressure monitoring device according to claim 1, characterized in that: The cleaning unit comprises two sliding shafts (15), the two sliding shafts (15) are slidably connected to the slide plate (13), one end of the two sliding shafts (15) is fixedly connected to a limit block (18), the other end of the two sliding shafts (15) is fixedly connected to a cleaning brush (17), and the outer walls of the two sliding shafts (15) are provided with springs (16).

4. A coal mine pressure monitoring device according to claim 2, characterized in that: The two clamping seats (8) are both arranged in an L shape, and the outer walls of the two clamping seats (8) are both fixedly connected with reinforcing ribs.

5. A coal mine pressure monitoring device according to claim 1, characterized in that: Two brackets (21) are symmetrically fixedly connected to the top of the fixing frame (1), and mounting screws (22) are arranged inside the two brackets (21).

6. A coal mine pressure monitoring device according to claim 5, characterized in that: The body (9) and the bracket (21) are of equal height.

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