Underground coal mine mining roadway mine pressure detection device

Abstract

The utility model discloses a mine pressure detection device for an underground mining roadway of a coal mine, and relates to the technical field of mine pressure monitoring equipment. Comprising a monitor body, the top of the monitor body is provided with an air pump, the top of the monitor body is provided with a shielding cover located above the air pump, one side of the shielding cover is fixedly connected with an inclined plate arranged in an inclined mode, the two sides of the shielding cover are connected with the monitor body through an installation mechanism, and the bottom of the inclined plate is provided with an air conveying pipe; one side of the monitor body is provided with a connecting pipe connected with a gas conveying pipe; according to the mine pressure detection device for the mining roadway under the coal mine, the top of the monitor body can be shielded through cooperation of a shielding cover and an inclined plate, damage to the monitor body caused by small-size falling objects can be prevented, meanwhile, dust on the surface of a screen of the monitor body can be swept through air injection through cooperation of an air pump, an air conveying pipe, an air injection head and a connecting pipe, and the safety of the monitor body is improved. Therefore, the display effect of the monitor is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of mine pressure monitoring equipment, in particular to a mine pressure detection device for a mining tunnel in an underground coal mine. Background Art

[0002] The underground pressure monitoring system of coal mines is the infrastructure of coal mine information management. It is mainly used for coal mining face mine pressure observation and tunnel mine pressure observation to reduce coal mine production accidents and ensure the safe operation of mine production; the prevention and control of coal mine roof accidents is mainly mine pressure monitoring. The existing technology for collecting pressure is to install a comprehensive mining support pressure sensor on the hydraulic support of the comprehensive mining face, install a roof separation sensor on the tunnel roof, install a bearing stress sensor in the coal rock mass, and install an anchor stress sensor on the tunnel surrounding rock support anchor; the data collected by these pressure sensors is used to analyze the underground mining production environment. In related technologies, in order to improve the degree of automation, the sensor usually has a built-in wireless transmission module to communicate with the monitor.

[0003] Existing monitoring instruments are generally directly installed in coal mines. Since there is a lot of coal ash in coal mines, dust is easily attached to the surface of the monitoring instrument, which will affect the display effect of the monitoring instrument. Utility Model Content

[0004] The utility model provides a device for detecting mine pressure in a coal mine underground mining tunnel to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mine pressure detection device for underground coal mine recovery tunnels, comprising a monitor body, an air pump is provided on the top of the monitor body, a shielding cover located above the air pump is installed on the top of the monitor body, one side of the shielding cover is fixedly connected with an inclined plate arranged obliquely, both sides of the shielding cover are connected to the monitor body through a mounting mechanism, an air pipe is installed at the bottom of the inclined plate, a connecting pipe connected to the air pipe is installed on one side of the monitor body, and a nozzle for cleaning the plane of the monitor body is provided at the bottom of the air pipe.

[0006] Furthermore, the length of the shielding cover is longer than the length of the monitor body.

[0007] Furthermore, the mounting mechanism includes a mounting rod, a fixing cylinder and a clamping column, the two sides of the monitor body are fixedly connected with the fixing cylinder, the fixing cylinder is provided with a mounting hole on the side away from the monitor body, the top and bottom of the fixing cylinder are provided with strip grooves connected to the mounting hole, the two sides of the bottom end of the shielding cover are fixedly connected with the mounting rod that can pass through the mounting hole and the strip groove, and the mounting hole is detachably connected with a clamping column that clamps the mounting rod.

[0008] Furthermore, the outer wall of the clamping column is provided with an external thread, and the inner wall of the mounting hole is formed with an internal thread that matches the external thread of the clamping column for threaded connection.

[0009] Furthermore, a hexagonal hole is formed on one side of the clamping column.

[0010] Furthermore, a support rod is fixedly connected to the bottom of the monitoring instrument body, and a base with positioning holes on the surface is installed at the bottom of the support rod.

[0011] Compared with the prior art, the utility model provides a device for detecting mine pressure in underground coal mine recovery tunnels, which has the following beneficial effects: the device for detecting mine pressure in underground coal mine recovery tunnels can shield the top of the monitor body through the cooperation of the shielding cover and the inclined plate, thereby preventing small falling objects from damaging the monitor body; at the same time, the cooperation of the air pump, the air pipe, the nozzle and the connecting pipe can clean the dust on the surface of the screen of the monitor body by jetting air to ensure the display effect of the monitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the shielding cover and the monitoring instrument body of the utility model when they are separated;

[0014] Figure 3 This is a schematic diagram of the structure of the shielding cover of the utility model;

[0015] Figure 4 It is an enlarged schematic diagram of point A of the present utility model.

[0016] In the figure: 1. Monitor body; 2. Shielding cover; 3. Inclined plate; 4. Air pipe; 5. Injector head; 6. Air pump; 7. Connecting pipe; 8. Mounting rod; 9. Fixing tube; 10. Mounting hole; 11. Strip groove; 12. Clamping column; 13. Hexagonal hole; 14. Support rod; 15. Base; 16. Positioning hole. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4The utility model discloses a device for detecting mine pressure in underground coal mine recovery tunnels, comprising a monitor body 1, an air pump 6 is arranged on the top of the monitor body 1, a shielding cover 2 located above the air pump 6 is installed on the top of the monitor body 1, one side of the shielding cover 2 is fixedly connected with an inclined plate 3 arranged obliquely, both sides of the shielding cover 2 are connected to the monitor body 1 through a mounting mechanism, an air pipe 4 is installed at the bottom of the inclined plate 3, a connecting pipe 7 connected to the air pipe 4 is installed on one side of the monitor body 1, and a nozzle 5 for cleaning the plane of the monitor body 1 is provided at the bottom of the air pipe 4.

[0019] The connecting pipe 7 is a hose, and a joint is provided at the end thereof, and the joint is threadedly connected to the gas delivery pipe 4 .

[0020] The air pump 6 supplies air to the nozzle 5 through the connecting pipe 7 and the air supply pipe 4 , so that the dust on the screen of the monitor body 1 can be cleaned through the nozzle 5 .

[0021] The spray head 5 can be arranged at an angle, or can be arranged vertically and located above the screen.

[0022] Specifically, the length of the shielding cover 2 is longer than the length of the monitoring instrument body 1 .

[0023] In this embodiment, the shielding cover 2 and the inclined plate 3 can shield the top of the monitoring instrument body 1 .

[0024] Specifically, the mounting mechanism includes a mounting rod 8, a fixing cylinder 9 and a clamping column 12. The fixing cylinder 9 is fixedly connected to both sides of the monitor body 1. The fixing cylinder 9 is provided with a mounting hole 10 on the side away from the monitor body 1. The top and bottom of the fixing cylinder 9 are provided with a strip groove 11 connected to the mounting hole 10. The bottom end of the shielding cover 2 is fixedly connected to the mounting rod 8 that can pass through the mounting hole 10 and the strip groove 11 on both sides, and the mounting hole 10 is detachably connected to a clamping column 12 that clamps the mounting rod 8.

[0025] The outer wall of the clamping column 12 is provided with an external thread, and the inner wall of the mounting hole 10 is formed with an internal thread that matches the external thread of the clamping column 12 for threaded connection.

[0026] In this embodiment, when the mounting rod 8 passes through the mounting hole 10 and the strip groove 11, the mounting hole 10 is threadedly connected by the clamping column 12 to clamp the mounting rod 8 so that the mounting rod 8 remains stable, thereby fixing the shielding cover 2.

[0027] Specifically, a hexagonal hole 13 is formed on one side of the pressing column 12 .

[0028] In this embodiment, a hexagonal column may also be provided on the surface of the clamping column 12 to facilitate the installation of the clamping column 12 in the installation hole 10 .

[0029] Specifically, a support rod 14 is fixedly connected to the bottom of the monitoring instrument body 1 , and a base 15 with a positioning hole 16 formed on the surface is installed at the bottom of the support rod 14 .

[0030] In this embodiment, the positioning holes 16 on the surface of the base 15 can be installed with bolts to connect to the ground, and the support rods 14 can be fixed.

[0031] In summary, the mine pressure detection device for the underground coal mine recovery tunnel can shield the top of the monitor body 1 through the cooperation of the shielding cover 2 and the inclined plate 3, which can prevent small falling objects from causing damage to the monitor body 1. At the same time, the cooperation of the air pump 6, the air pipe 4, the nozzle 5 and the connecting pipe 7 can spray and clean the dust on the screen surface of the monitor body 1 to ensure the display effect of the monitor.

[0032] 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 device for detecting underground coal mine pressure in a mining tunnel, comprising a monitoring device body (1), characterized in that: An air pump (6) is provided on the top of the monitor body (1), and a shielding cover (2) located above the air pump (6) is installed on the top of the monitor body (1). An inclined plate (3) arranged obliquely is fixedly connected to one side of the shielding cover (2), and both sides of the shielding cover (2) are connected to the monitor body (1) through a mounting mechanism. An air supply pipe (4) is installed on the bottom of the inclined plate (3), and a connecting pipe (7) connected to the air supply pipe (4) is installed on one side of the monitor body (1). A nozzle (5) for cleaning the surface of the monitor body (1) is provided at the bottom of the air supply pipe (4).

2. The underground coal mine mining tunnel pressure detection device according to claim 1, characterized in that: The length of the shielding cover (2) is longer than the length of the monitoring instrument body (1).

3. The underground coal mine mining tunnel pressure detection device according to claim 2 is characterized in that: The mounting mechanism comprises a mounting rod (8), a fixing cylinder (9) and a clamping column (12); the fixing cylinder (9) is fixedly connected to both sides of the monitor body (1); a mounting hole (10) is provided on the side of the fixing cylinder (9) away from the monitor body (1); a strip groove (11) communicating with the mounting hole (10) is provided on the top and bottom of the fixing cylinder (9); the mounting rod (8) that can pass through the mounting hole (10) and the strip groove (11) is fixedly connected to both sides of the bottom end of the shielding cover (2); and a clamping column (12) that is detachably connected and clamps the mounting rod (8) is provided in the mounting hole (10).

4. The underground coal mine mining tunnel pressure detection device according to claim 3 is characterized in that: The outer wall of the clamping column (12) is provided with an external thread, and the inner wall of the mounting hole (10) is formed with an internal thread that matches the external thread of the clamping column (12) for threaded connection.

5. The underground coal mine mining tunnel pressure detection device according to claim 4, characterized in that: A hexagonal hole (13) is provided on one side of the pressing column (12).

6. The underground coal mine mining tunnel pressure detection device according to claim 1, characterized in that: A support rod (14) is fixedly connected to the bottom of the monitoring instrument body (1), and a base (15) having a positioning hole (16) on its surface is installed at the bottom of the support rod (14).

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