A coal mine safety protection device

Abstract

The application discloses a coal mine safety protection device and belongs to the field of coal mine safety equipment. The technical scheme of the application is as follows: a coal mine safety protection device comprises a protection chamber, the protection chamber is a hollow spherical body, a plurality of groups of access passages are arranged at the lower end of the side wall of the protection chamber, an escape passage is arranged at the top of the protection chamber, a sliding groove is arranged on the outer wall of the escape passage, and a sleeve pipe is slidably connected in the escape passage. The spherical protection chamber has good compression resistance and resistance to deformation, can effectively protect workers, and can prevent the direct impact of the debris on the protection chamber when the mine collapses slightly, the second magnet ring and the first magnet ring and the protection cover can prevent the direct impact of the debris on the protection chamber when the mine collapses severely, the protection cover is attached to the upper surface of the protection chamber, the upper surface of the protection chamber is reinforced, the compression resistance of the protection chamber is improved, meanwhile, the first magnet ring can pull the sleeve pipe to slide downwards, workers can climb out along the escape passage through the ladder in the sleeve pipe, and self-rescue is realized.

Description

Technical Field

[0001] This invention relates to the field of coal mine safety equipment, and more particularly to a coal mine safety protection device. Background Technology

[0002] Coal mine accidents are unavoidable and frequent during mining operations, often causing serious casualties and property losses. Currently, rescue capsules and refuge chambers are known as the "ships of hope" for miners escaping from underground mines. When a mining accident occurs underground, they can provide a safe and reliable refuge for miners who cannot evacuate in time or are waiting for rescue. They have become one of the "six major systems" of mine safety risk prevention facilities, providing a sealed space to ensure the safety of miners' lives. As the first line of defense for life protection, the protective airtight door of the refuge chamber is directly related to the safety of miners after entering the refuge chamber and plays a vital role in achieving rescue.

[0003] In the prior art, invention patent application number CN201710335755.0 discloses a rescue ball for mine disaster refuge and escape, including a ball structure, a rescue device, and a monitoring device. The ball structure includes a ball, a ball moving mechanism, and a hatch mechanism. The ball is an explosion-proof and heat-insulating spherical shell. The ball moving mechanism includes a ball base and hydraulic lifting rubber wheels. The rescue device includes a lighting mechanism, a seat assembly, and a survival environment mechanism. The survival environment mechanism includes a food supply mechanism, an oxygen supply mechanism, and an air purification mechanism, providing a basic living environment for escaped miners and significantly improving their survival rate.

[0004] However, the existing technology still has the following shortcomings: First, no escape route is set up, so workers cannot save themselves and can only wait for external rescue; second, the structure is simple, and when a large-scale collapse occurs in the mine, the falling debris may damage the outer shell of the protective device, posing a threat to the personnel inside the protective device. Summary of the Invention

[0005] This invention addresses the problem that existing technologies have simple structures, and falling rocks can easily damage the outer shell of the protective device, preventing trapped personnel from rescuing themselves. It provides a coal mine safety protection device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] The utility model provides a coal mine safety protection device, including the protection room, the protection room is hollow sphere, protection room lateral wall lower end is equipped with multiple groups of access channel, protection room top is equipped with escape channel, the outer wall of escape channel is equipped with the sliding groove, escape channel inside is connected with the sleeve pipe of sliding, the outer wall of first magnet ring is connected with the protection cover of cooperation, the upper portion of protection room is equipped with second magnet ring, and second magnet ring is repulsive with first magnet ring, the inner wall of sleeve pipe is equipped with the ladder, the pressure resistance of spherical protection room, the resistance variable performance is good, when the mine hole collapses slightly, second magnet ring and first magnet ring and protection cover can prevent the direct impact of the rubble on protection room, when the mine hole collapses severely, the upper surface of protection room is pasted to the protection cover, and the upper surface of protection room is reinforced, improve the pressure resistance of protection room, simultaneously, first magnet ring will pull sleeve pipe and slide down, and the setting of sleeve pipe and ladder is convenient for the self-rescue of worker.

[0008] Preferably, the access channel is hinged with a safety door, the safety door edge is provided with a first air bag, the side of the protection cover close to the protection room is provided with a second air bag, the inside of the first magnet ring is provided with a sealing groove, a conduit is connected between the sealing groove and the second air bag, a sealing block is slidably connected in the sealing groove, a spring is connected between the sealing block and the inner wall of the sealing groove, a connecting pipe is provided on the second magnet ring and cooperates with the sealing groove, the side wall of the connecting pipe is provided with a gas guide port cooperating with the conduit, and a gas guide pipe is connected between the connecting pipe and the first air bag, which can increase the air tightness of the joint between the safety door and the access channel, prevent dust and toxic and harmful gases in the mine from entering the protection room and harming the health of workers.

[0009] Preferably, the escape channel is fixedly connected with a protective cover at the upper end, the side wall of the escape channel is provided with a plurality of ventilation openings, the ventilation openings are detachably connected with isolation nets, a plurality of ventilation skylights are formed in the upper part of the protection room, the ventilation openings can be closed when the sleeve pipe slides to the uppermost position, the ventilation openings are not closed when the sleeve pipe slides to the lowermost position, and the ventilation skylights can be closed when the protective cover falls on the protection room, the ventilation skylights are used for ventilation and air exchange of the protection room before the mine accident, the protective cover closes the ventilation skylights after the mine collapses, preventing the rubble from falling into the protection room through the ventilation skylights, and preventing dust and harmful gases generated by the mine collapse from entering the protection room, and the ventilation openings are opened, facilitating ventilation and air exchange of the protection room.

[0010] Preferably, the end of the access channel away from the protection room is inclined to the ground to prevent the rubble accumulated on the ground of the mine from entering the access channel and affecting the normal opening and closing of the safety door.

[0011] Preferably, a rotating shaft is rotatably connected to the protective cover, the rotating shaft penetrates the protective cover, a wind vane is fixedly connected to the upper end of the rotating shaft, and a fan blade is detachably connected to the lower end of the rotating shaft, which accelerates the ventilation efficiency of the protection room.

[0012] Preferably, the lower end of the sleeve is threadedly connected with a filter cover, the filter cover is internally provided with a filter core, and the bottom of the filter cover is provided with a rotating handle, so that the air entering the protection chamber can be filtered through the filter cover and the filter core.

[0013] Preferably, a plurality of partition plates are horizontally and fixedly arranged in the protection chamber, the partition plates are provided with reserved openings on both sides, and an emergency equipment box is arranged on each partition plate, so that the capacity of the protection chamber for workers can be increased, and the workers can climb to the uppermost partition plate through the reserved openings and enter the escape channel conveniently.

[0014] Preferably, the bottom of the protection chamber is provided with a storage battery and a storage bin, the storage bin is rotatably connected with a hatch, the storage battery is used for supplying power to the power-consuming equipment in the protection chamber, a plurality of illuminating lamps are arranged in the protection chamber, and the storage bin is used for storing commonly used materials.

[0015] Preferably, the protective cover is provided with a signal emitting device, and the trapped personnel can emit a distress signal to the outside world through the signal emitting device.

[0016] Compared with the prior art, the coal mine safety protection device has the following beneficial effects:

[0017] 1. The coal mine safety protection device has good compression resistance and resistance to deformation, can effectively protect the workers, and the protective cover can block the stones to avoid the stones directly impacting the outer wall of the protection chamber, the second magnet ring and the first magnet ring repel each other through magnetic force to play a buffering role, and the damage of the stones to the protective cover is reduced when the stones fall on the protective cover.

[0018] 2. When the mine collapses seriously, the stones on the protective cover accumulate, the load of the protective cover increases, and the first magnet ring is driven to slide downward along the sliding groove until the protective cover is attached to the upper surface of the protection chamber, so that the upper surface of the protection chamber is reinforced to avoid the protection chamber being penetrated by the falling stones,

[0019] 3. The coal mine safety protection device drives the sleeve to slide downward through the first magnet ring, the sleeve slides to the bottom of the escape channel, the sleeve can reinforce the escape channel, avoids the geological layer above the mine extruding and deforming the escape channel, and after the environment around the mine is stable, the workers can climb out along the escape channel through the ladder in the sleeve to realize self-rescue, the escape channel can also realize ventilation and air exchange of the protection chamber to avoid oxygen deficiency of the workers inside.

[0020] The spherical protection chamber has good compression resistance and resistance to deformation, can effectively protect the workers, when the mine collapses slightly, the second magnet ring, the first magnet ring and the protection cover can prevent the rubble from directly impacting the protection chamber, when the mine collapses severely, the protection cover is attached to the upper surface of the protection chamber, reinforcing the upper surface of the protection chamber and improving the compression resistance of the protection chamber, meanwhile, the first magnet ring pulls the sleeve pipe to slide downward, the workers can climb out along the escape channel through the ladder in the sleeve pipe, and self-rescue is realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is one of the structural schematic diagrams of the embodiment of the application.

[0022] Figure 2 It is the second structural schematic diagram of the embodiment of the application.

[0023] Figure 3 It is the third structural schematic diagram of the embodiment of the application. Figure 2 It is an enlarged view of part A in the embodiment of the application.

[0024] Figure 4 It is an enlarged view of part B in the embodiment of the application. Figure 2 It is an enlarged view of part B in the embodiment of the application.

[0025] Figure 5 It is an enlarged view of part C in the embodiment of the application. Figure 3 It is an enlarged view of part C in the embodiment of the application.

[0026] Figure 6 It is the third structural schematic diagram of the embodiment of the application.

[0027] In the figure: 1, protection chamber; 101, ventilation skylight; 2, access channel; 201, safety door; 202, first air bag; 3, escape channel; 301, sliding groove; 302, ventilation opening; 3021, isolation net; 4, first magnet ring; 401, protection cover; 402, second air bag; 4021, guide pipe; 5, second magnet ring; 6, sleeve pipe; 601, ladder; 7, sealing groove; 701, sealing block; 702, spring; 8, connecting pipe; 801, air guide opening; 802, air guide pipe; 9, battery; 901, storage compartment; 902, hatch; 10, partition; 11, filter cover; 111, filter element; 112, handle; 12, emergency equipment box; 13, protective cover; 14, rotating shaft; 141, wind swing; 142, fan blade; 15, signal emitting device; 16, illuminating lamp. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0029] In the description of the present application, it needs to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] Example 1:

[0031] With reference to Figures 1-6The utility model provides a coal mine safety protection device, including the protection room 1, the protection room 1 is hollow sphere, and the protection room 1 lower end is equipped with multiple groups of access channel 2, and the protection room 1 top is equipped with escape channel 3, and the outer wall of escape channel 3 is equipped with chute 301, and the escape channel 3 is slidably connected with sleeve 6, and the outer wall of first magnet ring 4 is slidably connected with the outer wall of escape channel 3, and first magnet ring 4 is fixedly connected with the bottom of sleeve 6 through chute 301, and the outer wall of first magnet ring 4 is equipped with the protection cover 401 that cooperates with the outer wall of protection room 1, and the upper portion of protection room 1 is equipped with second magnet ring 5, and second magnet ring 5 and first magnet ring 4 repel each other, and the inner wall of sleeve 6 is equipped with ladder 601;Protection room 1 is installed in the escape area of mine, and escape channel 3 penetrates the mine and extends to the above ground, and the staff can enter the inside of protection room 1 through access channel 2, and protection room 1 protects the miner entering the inside, when the mine collapses, the compression resistance and the resistance to deformation of spherical protection room 1 are good, and the worker can be effectively protected, and the worker enters the protection room 1 before the cave-in, and the falling debris falls on the protection cover 401 during the cave-in, and the protection cover 401 can block the debris and avoid the direct impact of the debris on the outer wall of protection room 1, and the second magnet ring 5 and the first magnet ring 4 repel each other through magnetic force and can play the role of buffering, and when the debris falls on the protection cover 401, the damage caused by the impact of the debris on the protection cover 401 is reduced, and when the cave-in is serious, the amount of falling debris is large, and the debris can bury the protection room 1, and when this situation occurs, the protection cover 401 still blocks the direct impact of the debris on the protection room 1, and the debris falls on the protection cover 401 first, and as the debris accumulates on the protection cover 401, the load of the protection cover 401 increases and drives the first magnet ring 4 to slide down along the chute 301, until the protection cover 401 is attached to the upper surface of the protection room 1, reinforcing the upper surface of the protection room 1, to avoid the protection room 1 being penetrated by the falling debris, and the first magnet ring 4 slides down and pulls the sleeve 6 to slide down, and the sleeve 6 slides to the bottom of the escape channel 3, and the sleeve 6 can reinforce the escape channel 3, to avoid the geological layer above the cave-in extruding and deforming the escape channel 3, and after the environment around the mine is stable, the staff can climb out along the escape channel 3 through the ladder 601 in the sleeve 6 and realize self-rescue, and the escape channel 3 can also ventilate the protection room 1 and avoid the lack of oxygen of the staff inside.

[0032] Example 2:

[0033] Refer to Figures 1-6Further to the embodiment 1, the safety door 201 is hinged in the access passage 2, the first air bag 202 is arranged at the edge of the safety door 201, the second air bag 402 is arranged at the side of the protective cover 401 close to the protective room 1, the sealing groove 7 is arranged in the first magnet ring 4, the conduit 4021 is connected between the sealing groove 7 and the second air bag 402, the sealing block 701 is slidably connected in the sealing groove 7, the spring 702 is connected between the sealing block 701 and the inner wall of the sealing groove 7, the connecting pipe 8 is arranged on the second magnet ring 5 and matched with the sealing groove 7, the air guide port 801 is arranged on the side wall of the connecting pipe 8 and matched with the conduit 4021, the air guide pipe 802 is connected between the connecting pipe 8 and the first air bag 202, the worker enters the protective room 1 through the access passage 2 and then closes the safety door 201, the falling of the stones presses the protective cover 401, the protective cover 401 is attached to the protective room 1 in the process of downward movement and squeezes the second air bag 402, at the same time, the connecting pipe 8 is inserted into the sealing groove 7 in the process of falling of the protective cover 401, the connecting pipe 8 pushes the sealing block 701 to slide upward to above the conduit 4021, so that the conduit 4021 is communicated with the air guide port 801, the air in the second air bag 402 is guided into the first air bag 202 through the conduit 4021, the connecting pipe 8 and the air guide pipe 802 after the second air bag 402 is pressed, the air tightness of the joint between the safety door 201 and the access passage 2 is increased after the first air bag 202 is inflated, so that the dust and the toxic and harmful gas in the mine are prevented from entering the protective room 1 and harming the health of the worker.

[0034] Embodiment 3

[0035] Referring to Figures 1-6 Further to the embodiment 1, the protective cover 13 is fixedly connected to the upper end of the escape passage 3, the groups of ventilation ports 302 are arranged on the side wall of the upper end of the escape passage 3, the isolation nets 3021 are detachably connected in the ventilation ports 302, the groups of ventilation skylights 101 are arranged on the upper part of the protective room 1, the sleeve pipe 6 can close the ventilation ports 302 when sliding to the uppermost position, the ventilation skylights 101 can be closed when the sleeve pipe 6 slides to the lowermost position and the protective cover 401 falls on the protective room 1, the protective cover 13 is convenient for protecting the upper opening of the escape passage 3, when the mine does not have an accident, the sleeve pipe 6 is located at the upper part of the escape passage 3 and the ventilation ports 302 are closed, at this time, the ventilation skylights 101 are used for ventilating the protective room 1, when the mine collapses, the protective cover 401 moves downward and closes the ventilation skylights 101, so that the stones falling from the ventilation skylights 101 into the protective room 1 is avoided and the dust and the harmful gas generated by the collapse of the mine are prevented from entering the protective room 1, after the protective cover 401 falls, the ventilation ports 302 are opened, so that the protective room 1 is ventilated, the isolation nets 3021 are convenient for blocking the movable objects outside from entering the protective room 1 through the ventilation ports 302, in order to avoid the stones accumulated on the ground of the mine from entering the access passage 2 and affecting the normal opening and closing of the safety door 201, the end of the access passage 2 far from the protective room 1 is arranged obliquely to the ground.

[0036] Embodiment 4:

[0037] With reference to Figures 1-6 Further to the embodiment 1, the protective cover 13 is rotatably connected with a rotating shaft 14, the rotating shaft 14 penetrates the protective cover 13, the upper end of the rotating shaft 14 is fixedly connected with a wind vane 141, the lower end of the rotating shaft 14 is detachably connected with a fan blade 142, the lower end of the sleeve 6 is threadedly connected with a filter cover 11, the filter cover 11 is internally provided with a filter core 111, the bottom of the filter cover 11 is provided with a rotating handle 112, external wind force drives the rotating shaft 14 and the fan blade 142 to rotate through the wind vane 141, the ventilation efficiency of the protection room 1 is accelerated, the filter cover 11 and the filter core 111 are arranged to facilitate filtering the air entering the protection room 1, when the worker is self-rescuing, the filter cover 11 can be removed through the rotating handle 112, and the escape channel 3 is escaped, and the escape channel 3 is ensured to be unobstructed by detaching the fan blade 142.

[0038] Embodiment 5:

[0039] With reference to Figures 1-2 Further to the embodiment 1, a plurality of groups of partition plates 10 are horizontally and fixedly arranged in the protection room 1, the partition plates 10 are provided with reserved openings on both sides, the partition plates 10 and the reserved openings are arranged to facilitate increasing the accommodation capacity of the workers in the protection room 1, the workers can climb to the uppermost partition plate 10 through the reserved openings, and conveniently enter the escape channel 3, the emergency equipment box 12 is arranged on each group of partition plates 10, the emergency equipment box 12 stores first-aid materials, such as life ropes, compressed dry food, first-aid medicines and the like, the bottom of the protection room 1 is provided with a storage battery 9 and a storage bin 901, the storage bin 901 is rotatably connected with a hatch 902, the storage bin 901 is arranged to facilitate storing commonly used materials, the storage battery 9 is used for supplying power to the power-consuming devices in the protection room 1, a plurality of groups of illuminating lamps 16 are arranged in the protection room 1, the protective cover 13 is provided with a signal emitting device 15, and the trapped personnel can emit a distress signal to the outside world through the signal emitting device 15.

[0040] The spherical protection room 1 in the application has good compression resistance and resistance to deformation, can effectively protect the workers, when the mine collapses slightly, the second magnet ring 5 and the first magnet ring 4 and the protective cover 401 can prevent the stones from directly impacting the protection room 1, when the mine collapses severely, the protective cover 401 is attached to the upper surface of the protection room 1 to reinforce the upper surface of the protection room 1 and improve the compression resistance of the protection room 1, meanwhile, the first magnet ring 4 pulls the sleeve 6 to slide downward, the workers can climb out along the escape channel 3 through the ladder 601 in the sleeve 6 to realize self-rescue.

[0041] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A safety protection device for coal mines, comprising a protection chamber (1), characterized in that, The protection chamber (1) is a hollow sphere, a plurality of groups of access passages (2) are arranged at the lower end of the side wall of the protection chamber (1), an escape passage (3) is arranged at the top of the protection chamber (1), a sliding groove (301) is arranged on the outer wall of the escape passage (3), a sleeve pipe (6) is slidably connected in the escape passage (3), a first magnet ring (4) is slidably connected on the outer wall of the escape passage (3), the first magnet ring (4) penetrates through the sliding groove (301) and is fixedly connected with the bottom of the sleeve pipe (6), a protective cover (401) is arranged on the outer wall of the first magnet ring (4) and matched with the outer wall of the protection chamber (1), a second magnet ring (5) is arranged on the upper portion of the protection chamber (1) and repels the first magnet ring (4), and a ladder (601) is arranged on the inner wall of the sleeve pipe (6).

2. A coal mine safety protection device according to claim 1, characterised in that, A safety door (201) is hingedly arranged in the access passage (2), a first air bag (202) is arranged at the edge of the safety door (201), a second air bag (402) is arranged on the side of the protective cover (401) close to the protection chamber (1), a sealing groove (7) is arranged in the first magnet ring (4), a conduit (4021) is connected between the sealing groove (7) and the second air bag (402), a sealing block (701) is slidably connected in the sealing groove (7), a spring (702) is connected between the sealing block (701) and the inner wall of the sealing groove (7), a connecting pipe (8) is arranged on the second magnet ring (5) and matched with the sealing groove (7), a gas guide opening (801) is arranged on the side wall of the connecting pipe (8) and matched with the conduit (4021), and a gas guide pipe (802) is connected between the connecting pipe (8) and the first air bag (202).

3. The coal mine safety protection device according to claim 1, characterized in that, A protective cover (13) is fixedly connected to the upper end of the escape passage (3), a plurality of groups of ventilation openings (302) are arranged on the side wall of the upper end of the escape passage (3), an isolation net (3021) is detachably connected in the ventilation opening (302), a plurality of groups of ventilation skylights (101) are arranged on the upper portion of the protection chamber (1), the sleeve pipe (6) can close the ventilation opening (302) when sliding to the uppermost position, the ventilation opening (302) is opened when the sleeve pipe (6) slides to the lowermost position, and the protective cover (401) can close the ventilation skylight (101) when falling on the protection chamber (1).

4. A coal mine safety protection device according to claim 3, characterised in that, The end of the access passage (2) away from the protection chamber (1) is arranged to be inclined to the ground.

5. The coal mine safety protection device of claim 1, wherein, A rotating shaft (14) is rotatably connected to the protective cover (13), the rotating shaft (14) penetrates through the protective cover (13), a wind vane (141) is fixedly connected to the upper end of the rotating shaft (14), and a fan blade (142) is detachably connected to the lower end of the rotating shaft (14).

6. A coal mine safety shield according to claim 5, characterised in that, A filter cover (11) is threadedly connected to the lower end of the sleeve pipe (6), a filter core (111) is arranged in the filter cover (11), and a rotating handle (112) is arranged at the bottom of the filter cover (11). A plurality of groups of partition plates (10) are horizontally fixedly arranged in the protection chamber (1), the partition plates (10) are provided with reserved openings on both sides, and an emergency equipment box (12) is arranged above each group of partition plates (10). A storage bin (901) and a storage battery (9) are arranged at the bottom of the protection chamber (1), a hatch (902) is rotatably connected to the storage bin (901), the storage battery (9) is used for supplying power to the power-consuming equipment in the protection chamber (1), and a plurality of groups of illuminating lamps (16) are arranged in the protection chamber (1).

7. A coal mine safety protection device according to claim 1, characterized in that, The protective cover (13) is provided with a signal transmitting device (15), and the trapped personnel can transmit a distress signal to the outside world through the signal transmitting device (15).

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