Coal mine underground gas control detection device

Abstract

The utility model discloses a coal mine underground gas control detection device which comprises a bottom plate, a box body and an opening and closing door, the box body is installed at the upper end of the bottom plate, the opening and closing door is arranged on the front side of the box body, and an installation plate is installed on one side of the box body through a lifting mechanism and can move up and down. A detector body is detachably mounted on one side of the upper end of the mounting plate through a clamping assembly, a supporting rod is fixedly connected to the other side of the mounting plate, and a gas dilution discharger is fixedly mounted at the upper end of the supporting rod; the beneficial effects of the utility model are that through the design of the lifting mechanism, the height of the mounting plate can be adjusted, and then the heights of the detector body and the gas dilution discharger can be adjusted, so that different heights of an underground coal mine can be detected and treated; according to the utility model, through the ingenious design of the clamping assembly, the detector body can be mounted and dismounted, so that a worker can replace and maintain the detector body regularly.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine equipment, in particular to a gas control and detection device for underground coal mines. Background Art

[0002] Mine gas refers to the general term for various gases mainly composed of methane in the mine. In addition to methane (CH), its components also include carbon dioxide (CO2), nitrogen (N2) and a small amount of hydrogen sulfide (HS), hydrogen (H2), rare gases, etc. Its main source is from the coal body and the surrounding rock of the mine tunnel, followed by various harmful gases generated during the mining process, including blasting smoke, exhaust gas from equipment, and gas generated by chemical and biochemical reactions of minerals and materials in the mine.

[0003] For example, the patent number is: CN202121706564.9, and the patent name is: A coal mine underground gas control detection device, which relates to the field of coal mine equipment technology. The technical points are: an air intake pipe, a first explosion-proof gearbox, a second explosion-proof gearbox, a first motor and a second motor are respectively arranged in the box body, the first motor is connected to a first connecting shaft, the first connecting shaft is connected to a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is connected to a first rotating shaft, the first rotating shaft is connected to a first exhaust fan, the second motor is connected to a second connecting shaft, the second connecting shaft is connected to a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is connected to a second rotating shaft, the second rotating shaft is connected to a second exhaust fan, and a water tank and a gas storage tank are arranged in the box body, and the gas storage tank is provided with a gas dilution discharger. The utility model has the advantage that the device can safely discharge gas to avoid fire hazards caused by excessive gas concentration, and effectively improve the efficiency of the gas control and detection device. However, the height of the methane detector in the device cannot be adjusted, and thus cannot detect different heights underground in the coal mine. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art that the height of the detector body cannot be adjusted, and thus different heights underground in the coal mine cannot be detected, and the detector body is inconvenient to install and disassemble, and to provide a gas control detection device for underground coal mines.

[0005] The purpose of the utility model is achieved through the following technical solutions: A coal mine underground gas control detection device, including a base plate, a box body and a switch door, the upper end of the base plate is installed with a box body, the front side of the box body is provided with a switch door, one side of the box body is installed with a mounting plate that can be moved up and down by a lifting mechanism, one side of the upper end of the mounting plate is detachably installed with a detector body by a clamping assembly, the other side of the mounting plate is fixedly connected with a support rod, the upper end of the support rod is fixedly installed with a gas dilution discharger, the lower end of the gas dilution discharger is connected with a T-tube through a telescopic hose, the lower end of the T-tube is installed with a plurality of mounting pipes, and the lower end of each of the mounting pipes is connected with a collection tank.

[0006] Preferably, the lifting mechanism includes a motor, a lead screw, a sliding block, a lifting rod and a limit rod, the motor is installed at the upper end of the box, the output shaft of the motor passes through the box and is fixedly connected to the lead screw, the lower end of the lead screw is rotatably connected to the lower end of the box, the lead screw is threadedly connected to the sliding block, one side of the sliding block is fixedly connected to the lifting rod, the upper end of the lifting rod passes through the box and is fixedly connected to the lower end of the mounting plate, the lifting rod is sleeved with a limit rod, and the limit rod is fixedly connected to the inside of the box.

[0007] Preferably, the clamping assembly includes an ear plate, a sliding shaft, a clamping plate and a spring. The ear plate is fixedly connected to the upper end of the mounting plate. The ear plate is slidably connected to the sliding shaft via a through hole. The sliding shaft is fixedly connected to a clamping plate that can clamp the detector body. The sliding shaft is sleeved with a spring, and the spring is located between the clamping plate and the ear plate.

[0008] Preferably, one end of the sliding shaft away from the clamping plate is fixedly connected with a handle.

[0009] Preferably, a sponge pad is installed on the clamping plate.

[0010] Preferably, a first valve is installed on each of the installation pipes, and a second valve is installed on the upper end of each of the collection tanks.

[0011] Preferably, universal wheels are installed at the four corners of the lower end of the base plate.

[0012] Compared with the prior art, the utility model provides a coal mine underground gas control detection device, which has the following beneficial effects:

[0013] 1: The utility model can adjust the height of the mounting plate through the design of the lifting mechanism, and then the height of the detector body and the gas dilution emitter can be adjusted, so that different heights in the coal mine can be detected and controlled.

[0014] 2: The utility model can install and disassemble the detector body through the ingenious design of the clamping assembly, thereby facilitating the staff to regularly replace and repair the detector body.

[0015] 3: The utility model can collect the gas discharged from the gas dilution discharger through the design of the T-tube, the mounting tube and the collecting tank, and thus can effectively control the gas in the coal mine. Moreover, through the design of the first valve and the second valve, the gas can be collected continuously and uninterruptedly, effectively avoiding the problem of intermittent collection due to the collection tank being full, thereby greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a partial cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 It is a partial enlarged view of point A of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the utility model.

[0019] In the figure: 1. bottom plate; 2. box body; 3. lifting mechanism; 301. motor; 302. lead screw; 303. sliding block; 304. lifting rod; 305. limit rod; 4. mounting plate; 5. clamping assembly; 501. ear plate; 502. sliding shaft; 503. clamping plate; 504. spring; 505. handle; 506. sponge pad; 6. detector body; 7. support rod; 8. gas dilution discharger; 9. telescopic hose; 10. T-tube; 11. mounting tube; 12. collecting tank; 13. first valve; 14. second valve; 15. universal wheel; 16. switch door. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0023] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figure 1-Figure 3As shown, a coal mine underground gas control detection device comprises a bottom plate 1, a box body 2 and a switch door 16. The box body 2 is installed on the upper end of the bottom plate 1, and the switch door 16 is provided on the front side of the box body 2. A mounting plate 4 is installed on one side of the box body 2 so as to be movable up and down through a lifting mechanism 3. A detector body 6 is detachably installed on one side of the upper end of the mounting plate 4 through a clamping assembly 5. A support rod 7 is fixedly connected to the other side of the mounting plate 4. A gas dilution discharger 8 is fixedly installed on the upper end of the support rod 7. (The basic principle of the gas dilution discharger 8 is the "Kundal effect". Compressed air is used as energy. The compressed air enters a radial annular space. The designed annular space can expand the compressed air and increase the flow rate at the same time. Therefore, low pressure and negative pressure can be generated under this action and enter the cavity of the equipment. In this way, the compressed air and the induced gas are mixed and diffused in the boost pipe, and then ejected at a high speed. The induced gas can reach more than 17 times the volume of the compressed air. ; The high-speed airflow trajectory generated by the negative pressure flows in a laminar state). Since the gas dilution discharger 8 is an existing device, it will not be described in detail. The lower end of the gas dilution discharger 8 is connected to a T-tube 10 through a telescopic hose 9. A plurality of mounting tubes 11 are installed at the lower end of the T-tube 10. The lower end of each mounting tube 11 is connected to a collecting tank 12. In this embodiment, through the design of the lifting mechanism 3, the height of the mounting plate 4 can be adjusted, and then the height of the detector body 6 and the gas dilution discharger 8 can be adjusted, so that different heights in the coal mine can be detected and managed. Through the ingenious design of the clamping assembly 5, the detector body 6 can be installed and disassembled, which is convenient for the staff to regularly replace and repair the detector body 6. Through the design of the T-tube 10, the mounting tube 11 and the collecting tank 12, the gas discharged from the gas dilution discharger 8 can be collected, and then the gas in the coal mine can be well managed.

[0027] In this embodiment, the lifting mechanism 3 includes a motor 301, a lead screw 302, a sliding block 303, a lifting rod 304 and a limit rod 305. The motor 301 is installed at the upper end of the box body 2. The output shaft of the motor 301 passes through the box body 2 and is fixedly connected to the lead screw 302. The lower end of the lead screw 302 is rotatably connected to the lower end of the inner part of the box body 2. The lead screw 302 is threadedly connected to the sliding block 303. One side of the sliding block 303 is fixedly connected to the lifting rod 304. The upper end of the lifting rod 304 passes through the box body 2 and is fixedly connected to the lower end of the mounting plate 4. The lifting rod 304 04 is sleeved with a limit rod 305, which is fixedly connected to the inside of the box body 2. When the height of the mounting plate 4 needs to be adjusted, the motor 301 is started, the motor 301 drives the lead screw 302 to rotate, the lead screw 302 drives the sliding block 303 to rotate, and the sliding block 303 drives the lifting rod 304 to rotate. However, under the action of the limit rod 305, the sliding block 303 and the lifting rod 304 move up and down, thereby adjusting the height of the mounting plate 4, so that the detector body 6 can detect different heights underground in the coal mine.

[0028] In this embodiment, the clamping assembly 5 includes an ear plate 501, a sliding shaft 502, a clamping plate 503 and a spring 504. The ear plate 501 is fixedly connected to the upper end of the mounting plate 4. The sliding shaft 502 is slidably connected to the ear plate 501 through a through hole. The sliding shaft 502 is fixedly connected to a clamping plate 503 that can clamp the detector body 6. The sliding shaft 502 is sleeved with a spring 504. The spring 504 is located between the clamping plate 503 and the ear plate 501. When the detector body 6 needs to be installed, the moving The sliding shaft 502 increases the distance between the two clamping plates 503, and then the detector body 6 is placed in an appropriate position on the mounting plate 4. The sliding shaft 502 is then released, and under the action of the elastic force of the spring 504, the clamping plates 503 will clamp the detector body 6, thereby installing the detector body 6. When the detector body 6 needs to be disassembled, the sliding shaft 502 is moved to move the two clamping plates 503 away from each other, and the detector body 6 can be removed from the mounting plate 4, which is convenient and quick.

[0029] In this embodiment, in order to facilitate the movement of the sliding shaft 502 , a handle 505 is fixedly connected to one end of the sliding shaft 502 away from the clamping plate 503 .

[0030] In this embodiment, in order to prevent the detector body 6 from being damaged when clamping, a sponge pad 506 is installed on the clamping plate 503.

[0031] In this embodiment, a first valve 13 is installed on each mounting tube 11, and a second valve 14 is installed on the upper end of each collecting tank 12. Through the design of the first valve 13 and the second valve 14, collection can be carried out continuously and uninterruptedly, effectively avoiding the problem of intermittent collection due to the collection tank 12 being full, thereby greatly improving work efficiency.

[0032] In this embodiment, in order to facilitate the movement of the device, universal wheels 15 are installed at the four corners of the lower end of the base plate 1.

[0033] The working process of the utility model is as follows: when detection is required, the device is moved to a suitable position underground in the coal mine, and then the gas is detected through the detector body 6. When the detected concentration is too high, the gas is diluted through the dilution discharger of the excavator, and then enters the T-tube 10 through the telescopic hose 9, and then the first valve 13 and the second valve 14 are opened to collect the diluted gas in the collection tank 12.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas control and detection device for underground coal mines, comprising a base plate (1), a box body (2) and a switch door (16), wherein the box body (2) is installed at the upper end of the base plate (1), and the switch door (16) is provided at the front side of the box body (2), characterized in that: A mounting plate (4) is mounted on one side of the box body (2) so as to be movable up and down via a lifting mechanism (3), and a detector body (6) is detachably mounted on one side of the upper end of the mounting plate (4) via a clamping assembly (5); A support rod (7) is fixedly connected to the other side of the mounting plate (4); a gas dilution discharger (8) is fixedly mounted on the upper end of the support rod (7); the lower end of the gas dilution discharger (8) is connected to a T-tube (10) via a telescopic hose (9); a plurality of mounting tubes (11) are mounted on the lower end of the T-tube (10); and the lower end of each mounting tube (11) is connected to a collection tank (12).

2. The underground coal mine gas control detection device according to claim 1 is characterized in that: The lifting mechanism (3) comprises a motor (301), a lead screw (302), a sliding block (303), a lifting rod (304) and a limiting rod (305); the motor (301) is mounted on the upper end of the box body (2); the output shaft of the motor (301) passes through the box body (2) and is fixedly connected to the lead screw (302); the lower end of the lead screw (302) is rotatably connected to the lower end of the box body (2); the sliding block (303) is threadedly connected to the lead screw (302); one side of the sliding block (303) is fixedly connected to the lifting rod (304); the upper end of the lifting rod (304) passes through the box body (2) and is fixedly connected to the lower end of the mounting plate (4); the limiting rod (305) is sleeved on the lifting rod (304); and the limiting rod (305) is fixedly connected to the inside of the box body (2).

3. The underground coal mine gas control detection device according to claim 1, characterized in that: The clamping assembly (5) comprises an ear plate (501), a sliding shaft (502), a clamping plate (503) and a spring (504); the ear plate (501) is fixedly connected to the upper end of the mounting plate (4); the sliding shaft (502) is slidably connected to the ear plate (501) via a through hole; the sliding shaft (502) is fixedly connected to a clamping plate (503) capable of clamping a detector body (6); the sliding shaft (502) is sleeved with a spring (504); and the spring (504) is located between the clamping plate (503) and the ear plate (501).

4. A coal mine gas control detection device according to claim 3, characterized in that: One end of the sliding shaft (502) away from the clamping plate (503) is fixedly connected to a handle (505).

5. The underground coal mine gas control detection device according to claim 3 is characterized by: A sponge pad (506) is installed on the clamping plate (503).

6. The underground coal mine gas control detection device according to claim 1, characterized in that: A first valve (13) is installed on each of the installation pipes (11), and a second valve (14) is installed on the upper end of each of the collection tanks (12).

7. The underground coal mine gas control detection device according to claim 1, characterized in that: Universal wheels (15) are installed at the four corners of the lower end of the base plate (1).

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