A ventilation and exhaust device for a coal mine refuge chamber

Abstract

The utility model discloses a ventilation and exhaust device for a coal mine refuge chamber, which belongs to the technical field of coal mine refuge, and comprises a chamber body and a main pipe, wherein a ventilation and exhaust fan is installed in the main pipe, and a ventilation structure is arranged on the chamber body; the ventilation structure comprises a ventilation pipe connected with the main pipe, the ventilation pipe is connected with a connecting pipe, one end of the connecting pipe passes through the top of the chamber body and is connected with a horizontal pipe, a plurality of mounting grooves are provided on the horizontal pipe, and leather is installed in the plurality of mounting grooves, a blow pipe is installed on the leather, and one end of the blow pipe is located inside the horizontal pipe. By setting the ventilation structure, the ventilation and exhaust fan is started, and wind is blown in by a plurality of blow pipes. At this time, the user can adjust the blow pipe according to his / her own height and position, so that the wind blows on the face, so as to relieve the pressure in the closed environment, and avoid a large number of miners from crowding in one place to blow the wind, thereby achieving the effect of relieving the pressure of the trapped miners and avoiding conflicts due to scrambling.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine refuge, and in particular relates to a ventilation and exhaust device for a coal mine refuge chamber. Background Art

[0002] Coal mine refuge chambers are important facilities for coal mine safety production. They are mainly used to provide safe refuges for on-site workers when safety accidents occur underground.

[0003] Coal mine refuge chambers need to have a good ventilation system. When a mine disaster occurs, a group of workers will rush into the coal mine refuge chamber. At this time, the wind in the ventilation system blows into the coal mine refuge chamber, which is narrow, closed and quiet. At this time, the workers will be in a state of tension. In order to relieve stress, they will generally move closer to the air outlet and use the wind to relax. However, the air outlets of the ventilation system are limited, which can easily cause crowding.

[0004] In order to solve the above problems, the present application proposes a ventilation and exhaust device for a coal mine refuge chamber. Summary of the invention

[0005] In view of the problems in the related technology, the utility model proposes a ventilation and exhaust device for a coal mine refuge chamber to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A ventilation and exhaust device for a coal mine refuge chamber, comprising a chamber body and a main pipe, wherein a ventilation and exhaust fan is installed in the main pipe, and a ventilation structure is arranged on the chamber body;

[0008] The ventilation structure includes a ventilation pipe connected to the main pipe, the ventilation pipe is connected to a connecting pipe, one end of the connecting pipe passes through the top of the chamber body and is connected to a horizontal pipe, a plurality of mounting grooves are provided on the horizontal pipe, and leather is installed in each of the plurality of mounting grooves, a blowing pipe is installed on the leather, and one end of the blowing pipe is located inside the horizontal pipe;

[0009] An iron block is installed on the transverse tube, and a magnetic ring is installed on the transverse tube. One side of the iron block is in contact with one side of the magnetic ring, and the iron block and the magnetic ring are magnetically adsorbed.

[0010] A detection structure is arranged inside the main pipe for detecting the wind speed of the ventilation exhaust fan.

[0011] The detection structure includes an anemometer installed in the main pipe, an arc tube located in the main pipe, and a flashing light installed inside the chamber, and the anemometer is located below the ventilation exhaust fan;

[0012] The main pipe is provided with a maintenance component for maintaining the ventilation exhaust fan, and a detection structure is provided for detecting the wind force of the ventilation exhaust fan.

[0013] The arc tube is located below the ventilation exhaust fan, a ball is placed in the arc tube, a switch is installed at one end of the arc tube, and the switch is connected to the flashing light wire. The ball and the switch are provided to perform secondary detection of the wind force of the ventilation exhaust fan.

[0014] One end of the arc tube away from the switch is connected to an air inlet scoop, and the air inlet volume of the arc tube is increased by arranging the air inlet scoop.

[0015] The arc-shaped tube is installed with a mounting rod, one end of which is mounted on the inner wall of the main tube. The mounting rod is provided to install the arc-shaped tube.

[0016] The maintenance component includes an operation port opened on the main pipe, and the main pipe is detachably mounted with a cover plate through the operation port. The operation port and the cover plate are provided to facilitate maintenance.

[0017] Bolts are installed on the cover plate, and the cover plate is connected to the main pipe through the bolts. The bolts are provided to facilitate the disassembly and assembly of the cover plate.

[0018] To sum up, the technical effects and advantages of the utility model are as follows: the ventilation and exhaust device of the coal mine refuge chamber, by setting up a ventilation structure, starts the ventilation and exhaust fans, and the wind is blown in by multiple blow pipes. At this time, the user can adjust the blow pipes according to his or her own height and position so that the wind blows on the face, so as to relieve the pressure in the closed environment, and avoid a large number of miners crowding in one place for blowing air, thereby achieving the effect of relieving the pressure of the trapped miners and avoiding conflicts caused by scrambling.

[0019] By setting up a detection structure, using an anemometer to detect the wind force of the ventilation exhaust fan and blowing part of the wind force into the arc tube, blowing the ball to touch the switch, causing the flashing light to flash, the effect of secondary detection of the ventilation exhaust fan's operating ability is achieved, which helps to improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This utility model is a schematic diagram showing the overall structure of the device;

[0021] Figure 2 This utility model is a cross-sectional schematic diagram showing the internal structure of the main pipe;

[0022] Figure 3 For this utility model Figure 1 Enlarged view of point A in the middle;

[0023] Figure 4 The utility model is a cross-sectional schematic diagram showing the internal structure of an arc tube.

[0024] In the figure:

[0025] 1. Chamber body;

[0026] 2. Ventilation structure; 201. Ventilation pipe; 202. Connecting pipe; 203. Horizontal pipe; 204. Leather; 205. Blowing pipe; 206. Magnetic ring; 207. Iron block;

[0027] 3. Detection structure; 301. Anemometer; 302. Flashing light; 303. Arc tube; 304. Ball bearing; 305. Air inlet scoop; 306. Switch; 307. Mounting rod;

[0028] 4. Supervisor;

[0029] 5. Maintenance components; 501. Cover plate; 502. Bolts; 503. Operation port;

[0030] 6. Ventilation exhaust fan. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] Reference Figure 1-3 A ventilation and exhaust device for a coal mine refuge chamber comprises a chamber body 1 and a main pipe 4, one end of the main pipe 4 is connected to the ventilation system in the mine, a ventilation and exhaust fan 6 is installed in the main pipe 4, a ventilation structure 2 is arranged on the chamber body 1, the ventilation structure 2 comprises a ventilation pipe 201 connected to the main pipe 4, a connecting pipe 202 is connected to the ventilation pipe 201, one end of the connecting pipe 202 passes through the top of the chamber body 1 and is connected to a horizontal pipe 203, a plurality of mounting grooves are provided on the horizontal pipe 203, and leathers 204 are installed in the plurality of mounting grooves, a blowing pipe 205 is installed on the leather 204, and one end of the blowing pipe 205 is located inside the horizontal pipe 203, and a An iron block 207 and a magnetic ring 206 are installed on the transverse tube 203. One side of the iron block 207 fits with one side of the magnetic ring 206, and the iron block 207 and the magnetic ring 206 are magnetically adsorbed. By starting the ventilation exhaust fan 6, the wind is blown into the ventilation pipe 201, and then enters the connecting pipe 202 from the ventilation pipe 201, and enters the transverse tube 203 from the connecting pipe 202, and finally blown in by multiple blowing pipes 205. At this time, the user can adjust the blowing pipe 205 according to his own height and position so that the wind blows on the face, so as to relieve the pressure in the closed environment, and avoid a large number of miners from crowding in one place for blowing, thereby achieving the effect of relieving the pressure of the trapped miners.

[0033] Reference Figure 1 , Figure 2and Figure 4 A detection structure 3 is provided in the main pipe 4 for detecting the wind speed of the ventilation exhaust fan 6. The detection structure 3 includes an anemometer 301 installed in the main pipe 4, an arc tube 303 located in the main pipe 4, and a flashing light 302 installed inside the chamber body 1. The specific model of the anemometer 301 is: AS-8336. The operation panel of the anemometer 301 is located in the chamber body 1. The anemometer 301 is located below the ventilation exhaust fan 6. The maintenance personnel regularly starts the ventilation exhaust fan 6, and the generated wind blows toward the anemometer 301, so as to obtain the wind speed and ensure the normal operation of the ventilation exhaust fan 6.

[0034] The arc tube 303 is located below the ventilation exhaust fan 6, and a ball 304 is placed in the arc tube 303. A switch 306 is installed at one end of the arc tube 303. The switch 306 is connected to the flashing light 302 with an electric wire. Part of the wind blows into the arc tube 303, blowing the ball 304 to move and touch the switch 306, causing the flashing light 302 to flash, thereby achieving the effect of secondary detection of the operation ability of the ventilation exhaust fan 6 and improving safety.

[0035] Among them, the specific model of the switch 306 is: TS-1109K, the specific model of the flashing light 302 is: ND2-51ZFR, the connection method of the switch 306 and the flashing light 302 can be reasonably set according to actual conditions, and the signal transmission method is the existing technology.

[0036] One end of the arc tube 303 away from the switch 306 is connected to an air inlet scoop 305 , and the air inlet scoop 305 is used to blow more wind into the arc tube 303 .

[0037] A mounting rod 307 is mounted on the arc-shaped tube 303 , one end of which is mounted on the inner wall of the main tube 4 . The mounting rod 307 is used to support and mount the arc-shaped tube 303 .

[0038] Reference Figure 1 A maintenance assembly 5 is provided on the main pipe 4 for repairing the ventilation exhaust fan 6. The maintenance assembly 5 includes an operation port 503 opened on the main pipe 4. The main pipe 4 is detachably mounted with a cover plate 501 through the operation port 503. Bolts 502 are installed on the cover plate 501. The cover plate 501 is connected to the main pipe 4 through the bolts 502. The cover plate 501 can be removed to facilitate the inspection of the parts inside the main pipe 4.

[0039] Among them, an inlet and outlet are opened through the top of the chamber body 1 for connecting with the underground passage. One end of the underground passage is connected with the inlet and outlet on the chamber body 1, and the other end is located at the operation port 503, which is convenient for workers to perform maintenance operations.

[0040] Working principle:

[0041] The ventilation and exhaust device of the coal mine refuge chamber starts the ventilation and exhaust fan 6 to blow wind into the ventilation pipe 201, then into the connecting pipe 202 from the ventilation pipe 201, into the horizontal pipe 203 from the connecting pipe 202, and finally into the plurality of blowing pipes 205. At this time, the user can adjust the blowing pipe 205 according to his own height and position so that the wind blows on the face to relieve the pressure in the closed environment and avoid a large number of miners from crowding in one place for blowing air, thereby achieving the effect of relieving the pressure of the trapped miners.

[0042] The ventilation and exhaust device of the coal mine refuge chamber is started by maintenance personnel on a regular basis. The generated wind blows toward the anemometer 301 to obtain the wind speed, thereby ensuring the normal operation of the ventilation and exhaust fan 6. Part of the wind blows into the arc tube 303, blowing the ball 304 to move and touch the switch 306, causing the flashing light 302 to flash, thereby achieving the effect of secondary detection of the operation ability of the ventilation and exhaust fan 6 and improving safety.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. 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 ventilation and exhaust device for a coal mine refuge chamber, comprising a chamber body (1) and a main pipe (4), characterized in that: A ventilation fan (6) is installed in the main pipe (4), and a ventilation structure (2) is provided on the chamber body (1); The ventilation structure (2) comprises a ventilation pipe (201) connected to the main pipe (4); the ventilation pipe (201) is connected to a connecting pipe (202); one end of the connecting pipe (202) passes through the top of the chamber body (1) and is connected to a horizontal pipe (203); a plurality of mounting grooves are provided on the horizontal pipe (203); leather (204) is installed in each of the plurality of mounting grooves; a blow pipe (205) is installed on the leather (204); and one end of the blow pipe (205) is located inside the horizontal pipe (203); An iron block (207) is mounted on the transverse tube (203), and a magnetic ring (206) is mounted on the transverse tube (203); one side of the iron block (207) is in contact with one side of the magnetic ring (206), and the iron block (207) and the magnetic ring (206) are magnetically attracted; A detection structure (3) is provided in the main pipe (4) for detecting the wind speed of the ventilation exhaust fan (6).

2. A ventilation and exhaust device for a coal mine refuge chamber according to claim 1, characterized in that: The detection structure (3) comprises an anemometer (301) installed in the main pipe (4), an arc tube (303) located in the main pipe (4), and a flashing light (302) installed inside the chamber (1); the anemometer (301) is located below the ventilation fan (6); The main pipe (4) is provided with a maintenance component (5) for repairing the ventilation exhaust fan (6).

3. A ventilation and exhaust device for a coal mine refuge chamber according to claim 2, characterized in that: The arc-shaped tube (303) is located below the ventilation exhaust fan (6), a ball (304) is placed in the arc-shaped tube (303), a switch (306) is installed at one end of the arc-shaped tube (303), and the switch (306) is connected to the flashing light (302) by an electric wire.

4. A ventilation and exhaust device for a coal mine refuge chamber according to claim 3, characterized in that: One end of the arc-shaped tube (303) away from the switch (306) is connected to an air inlet scoop (305).

5. The ventilation and exhaust device for a coal mine refuge chamber according to claim 3, characterized in that: A mounting rod (307) is mounted on the arc-shaped tube (303), and one end of the mounting rod (307) is mounted on the inner wall of the main tube (4).

6. A ventilation and exhaust device for a coal mine refuge chamber according to claim 2, characterized in that: The maintenance assembly (5) comprises an operating port (503) opened on the main pipe (4), and the main pipe (4) is detachably mounted with a cover plate (501) through the operating port (503).

7. A ventilation and exhaust device for a coal mine refuge chamber according to claim 6, characterized in that: Bolts (502) are installed on the cover plate (501), and the cover plate (501) is connected to the main pipe (4) via the bolts (502).

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