Water replenishing device and explosion-proof water shed

Abstract

The water supplementing device comprises a water bag, a water supplementing mechanism and a water level control mechanism, and the water bag is provided with a first preset water level line; the water supplementing mechanism comprises a water storage tank, a water conveying pipe and an air inlet pipe, the water storage tank is provided with a second preset water line higher than the first preset water line, the two ends of the water conveying pipe are connected to the water storage tank and the water bag correspondingly, and the end, connected to the water storage tank, of the water conveying pipe is lower than the second preset water line. The end, connected to the water storage tank, of the air inlet pipe is higher than the second preset water line. The air inlet pipe is connected to one end of the water bag and the first preset water line. The water level control mechanism comprises a first water supply pipe connected to the water storage tank and a sensor arranged in the water storage tank, the sensor is used for monitoring the water volume in the water storage tank, and the first water supply pipe is used for injecting water into the water storage tank when the water level in the water storage tank is lower than a second preset water level; the water replenishing device can automatically replenish water to the water bag when water in the water bag is insufficient, and the water replenishing difficulty of the water bag is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of explosion-proofing in underground coal mines, and in particular to a water replenishment device and an explosion-proof water shed. Background Art

[0002] Explosion-proof water sheds are usually used in underground tunnels of coal mines to prevent and control the explosion of combustible gases and coal dust. When a coal dust explodes, the water bags of the explosion-proof water sheds will be ruptured by the shock wave generated by the coal dust explosion. The water in the water bags can block the gas from drifting and prevent the flame of the coal dust explosion from spreading. However, the water in the water bags is easy to evaporate in the tunnels, resulting in water shortage in the water bags. Therefore, staff are usually required to patrol the tunnels to replenish the water bags that are short of water. The labor intensity is high, and when replenishing the water bags, it is impossible to visually observe the amount of water in the water bags, which causes great difficulties in the operation of replenishing the water bags. Summary of the invention

[0003] The purpose of the present disclosure is to provide a water replenishing device and a flameproof water shed, which can automatically replenish the water bag when the water level in the water bag is insufficient, and can replenish the water bag to a preset standard water level each time the water is replenished, thereby reducing the difficulty of replenishing the water bag, so as to at least partially solve the above-mentioned technical problems.

[0004] In order to achieve the above-mentioned purpose, the first aspect of the present disclosure provides a water replenishing device, comprising: a plurality of water bags, which are connected in sequence, and a first preset water level line is provided in the water bag; a water replenishing mechanism, comprising a water storage tank, a water pipe and an air inlet pipe, a second preset water level line is provided in the water storage tank, the second preset water level line is higher than the first preset water level line, the two ends of the water pipe are respectively connected to the water storage tank and the water bag, and the end of the water pipe connected to the water storage tank is lower than the second preset water level line; the end of the air inlet pipe connected to the water storage tank is higher than the second preset water level line, and the end connected to the water bag is flush with the first preset water level line; and a water level control mechanism, comprising a first water supply pipe connected to the water storage tank and a sensor provided in the water storage tank, the sensor is used to monitor the amount of water in the water storage tank, and the first water supply pipe is used to fill the water storage tank with water when the water level in the water storage tank is lower than the second preset water level line.

[0005] Optionally, the first preset water level lines of the plurality of water bags are at the same height.

[0006] A second aspect of the present disclosure provides an explosion-proof water canopy, comprising the water replenishing device of the above-mentioned optional scheme, as well as a spraying device and a fixing device, wherein the fixing device is connected to the water replenishing device and the spraying device to fix the water replenishing device and the spraying device in the tunnel.

[0007] Optionally, the spray device includes: a second water supply pipe, which is provided with a stop valve; a spray pipe connected to the second water supply pipe, on which a plurality of spray ports are provided; and a trigger mechanism connected to the stop valve, the trigger mechanism including a first state and a second state, in which the stop valve is closed in the first state, and in which the stop valve is opened in the second state, and the trigger mechanism can switch from the first state to the second state when impacted by airflow.

[0008] Optionally, the trigger mechanism includes: a rotating shaft, connected to the stop valve and capable of rotating around its own axis; a connecting rod, connected to the side wall of the rotating shaft; a trigger plate, connected to one end of the connecting rod away from the rotating shaft, one side of the trigger plate facing the extension direction of the alley; and a limit member, which can limit the connecting rod when the rotating shaft rotates.

[0009] Optionally, the fixing device includes: a mounting frame extending along the width direction of the alley; two brackets, respectively connected to the two ends of the mounting frame in the length direction, the bracket is used to fix the mounting frame in the alley; and a hook connected to the mounting frame and the water bag, the hooks are multiple and arranged at intervals along the length direction of the mounting frame, each water bag is connected to at least one hook, and the hook includes a first section, a second section and a third section connected in sequence, the first section and the third section are bent toward the same side relative to the second section.

[0010] Optionally, the first section and the second section are respectively attached to two opposite side walls of the mounting frame when the hook is connected to the mounting frame.

[0011] Optionally, a U-shaped piece is provided on the outer side of the water storage tank, and the inner side wall of the U-shaped piece is in contact with the opposite side walls of the mounting frame when the water storage tank is connected to the mounting frame.

[0012] Optionally, the mounting frames are arranged in a plurality of rows at intervals along the length direction of the lane, and both ends of each mounting frame in the length direction are connected to the bracket.

[0013] Optionally, in the vertical direction, the height of the bracket is lower than the height of the mounting bracket.

[0014] Through the above technical solution, that is, the water replenishing device provided by the present invention, when the amount of water in the water bag is insufficient, multiple water bags can be automatically replenished with water through the water replenishing mechanism of the water replenishing device, that is, it can be understood that the water bag includes water and air, and the water and air are stored together in the sealed water bag. When the amount of water in the water bag is sufficient, the water level in the water bag can be located at the first preset water level line, and can just cover the air inlet connected to one end of the water bag by the air inlet pipe. The water storage tank is connected to the water bag through a water supply pipe. At this time, the pressure in the water bag remains stable. When the water in the water bag evaporates and decreases due to ventilation in the coal mine tunnel, the amount of water in the water bag will gradually decrease and then gradually become lower than the first preset water level line in the water bag. When the water bag continues to lose water, the air inlet connected to the water bag by the air inlet pipe will gradually be exposed to the air in the water bag. When the amount of water in the water bag gradually decreases, the air in the water bag will gradually enter the water storage tank through the air inlet pipe. When the second preset water level line in the water storage tank is higher than the first water level line in the water bag, the air The water stored in the water tank will be squeezed, and the water in the water tank will flow from the water pipe to the water bag to replenish the water bag. When the water level in the water bag is replenished to the same level as the first preset water level line, the water in the water bag will block the air inlet connected to the air inlet pipe of the water bag and the water inlet connected to the water pipe again to stop air from entering the air inlet pipe, thereby stopping the water tank from replenishing the water bag through the water pipe. In addition, the water level in the water tank can be monitored by the sensor of the water level control mechanism, and The water storage tank is replenished with water through the first water supply pipe, so that the water in the water storage tank can be dynamically maintained at the second preset water level line, so that when the water bag loses water, the water bag can be dynamically replenished with water through the water storage tank. When the water bag is replenished with water in the above manner, the water bag can be automatically replenished when the water amount in the water bag is insufficient, and the water level can be replenished to the preset standard water amount, that is, the first preset water level line in the water bag, each time the water is replenished, thereby reducing the difficulty of replenishing the water bag.

[0015] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings: Figure 1 is a front view of the positions of the water bag, the spray device and the fixing device provided in the lane in the exemplary embodiment of the present disclosure; Figure 2 is a side view of the location of a spray device and a fixture in a laneway provided in an exemplary embodiment of the present disclosure; Figure 3 yes Figure 2A partial enlarged view of position A in the middle; Figure 4 is a front view of a water replenishment device provided in an exemplary embodiment of the present disclosure; Figure 5 is a side view of a water replenishment device provided in an exemplary embodiment of the present disclosure; Figure 6 is a front view of a spray device provided in an exemplary embodiment of the present disclosure; Figure 7 is a side view of a spray device provided in an exemplary embodiment of the present disclosure; Figure 8 is a front view of a water bag provided in an exemplary embodiment of the present disclosure; Fig. 9 is a side view of a water bag provided in an exemplary embodiment of the present disclosure; Fig.10 is a side view of a hook provided in an exemplary embodiment of the present disclosure; Fig.11 is a front view of a hook provided in an exemplary embodiment of the present disclosure; Fig.12 is a top view of a mounting bracket provided in an exemplary embodiment of the present disclosure; Fig.13 is a front view of a mounting bracket provided in an exemplary embodiment of the present disclosure; Fig.14 is a side view of a mounting bracket provided in an exemplary embodiment of the present disclosure; Fig.15 is a top view of a bracket provided in an exemplary embodiment of the present disclosure; Fig.16 is a front view of a bracket provided in an exemplary embodiment of the present disclosure; Fig.17 is a side view of a bracket provided in an exemplary embodiment of the present disclosure.

[0017] Description of Reference Numerals 1-water bag; 101-first preset water level line; 102-hanging hole; 2-water replenishment mechanism; 201-second preset water level line; 210-water storage tank; 211-U-shaped piece; 220-water pipe; 230-air inlet pipe; 3-water level control mechanism; 310-first water supply pipe; 320-sensor; 4-spraying device; 410-second water supply pipe; 411-stop valve; 420-spraying pipe; 421-top screw seat; 4 22-screw rod; 430-trigger mechanism; 431-rotating shaft; 432-connecting rod; 433-trigger plate; 434-limiting member; 435-counterweight; 5-fixing device; 510-mounting frame; 511-first mounting hole; 520-bracket; 521-insertion end; 522-second mounting hole; 530-hook; 531-first section; 532-second section; 533-third section; 6-external water supply pipe. DETAILED DESCRIPTION The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0018] In the present disclosure, unless otherwise specified, directional words such as "inside" and "outside" refer to the inside and outside relative to the outline of the structure or component itself; "first, second" and the like are intended to distinguish one element from another and have no order or importance. In addition, the same figure marks in different reference drawings represent the same elements.

[0019] In a first aspect of the present disclosure, a water replenishment device is provided, referring to Figures 1 to 17 As shown, the water replenishing device includes a water bag 1, a water replenishing mechanism 2 and a water level control mechanism 3. The specific structure and connection relationship of each component are described in detail below. The number of water bags 1 is multiple and they are connected in sequence. A first preset water level line 101 is set in the water bag 1; the water replenishing mechanism 2 includes a water storage tank 210, a water delivery pipe 220 and an air inlet pipe 230. A second preset water level line 201 is set in the water storage tank 210. The second preset water level line 201 is higher than the first preset water level line 101. Both ends of the water delivery pipe 220 are connected to the water storage tank 210 and the water bag 1 respectively. The water delivery pipe 220 is connected to the water storage tank 210 and the water bag 1 respectively. 0 is connected to the water tank 210 at one end which is lower than the second preset water level line 201; the air inlet pipe 230 is connected to the water tank 210 at one end which is higher than the second preset water level line 201, and the air inlet pipe 230 is connected to the water bag 1 at one end which is flush with the first preset water level line 101; the water level control mechanism 3 includes a first water supply pipe 310 connected to the water tank 210 and a sensor 320 arranged in the water tank 210, the sensor 320 is used to monitor the amount of water in the water tank 210, and the first water supply pipe 310 is used to fill the water tank 210 with water when the water level in the water tank 210 is lower than the second preset water level line.

[0020] Through the above technical solution, that is, the water replenishing device provided by the present invention, when the amount of water in the water bag 1 is insufficient, the water replenishing mechanism 2 of the water replenishing device can be used to automatically replenish water to multiple water bags 1, that is, it can be understood that the water bag 1 includes water and air, and the water and air are stored together in the sealed water bag 1. When the amount of water in the water bag 1 is sufficient, the water level in the water bag 1 can be located at the first preset water level line 101, and can just cover the air inlet port connected to one end of the water bag 1 by the air inlet pipe 230. The water storage tank 210 is connected to the water bag 1 through the water delivery pipe 220. At this time, the pressure in the water bag 1 is maintained The water in the water bag 1 is stable and unchanged, and when the water in the water bag 1 evaporates and decreases due to the ventilation of the coal mine tunnel, the water amount in the water bag 1 will gradually decrease and then gradually become lower than the first preset water level line 101 in the water bag 1. When the water bag continues to lose water, the air inlet pipe 230 connected to the air inlet of the water bag 1 will gradually be exposed to the air in the water bag 1. When the water amount in the water bag 1 gradually decreases, the air in the water bag 1 will gradually enter the water storage tank 210 through the air inlet pipe 230. When the second preset water level line 201 in the water storage tank 210 is higher than the first water level line 101 in the water bag 1, the air will flow into the water storage tank 210. 0 is squeezed, and the water in the water storage tank 210 will flow from the water delivery pipe 220 to the water bag 1 to replenish the water bag 1. When the water level in the water bag 1 is replenished to the same level as the first preset water level line 101, the water in the water bag 1 will block the air inlet port of the air inlet pipe 230 connected to the water bag 1 and the water inlet port connected to the water delivery pipe 220 again to stop air from entering the air inlet pipe 230, thereby stopping the water storage tank 210 from replenishing the water bag 1 through the water delivery pipe 220, and the water level in the water storage tank 210 can be controlled by the sensor 320 of the water level control mechanism 3. Monitor and replenish water in the water tank 210 through the first water supply pipe 310, so that the water in the water tank 210 can be dynamically maintained at the second preset water level line 201, so that when the water bag 1 loses water, the water tank 210 can be continuously and dynamically replenished for the water bag 1. When the water bag 1 is replenished with water in the above manner, the water bag 1 can be automatically replenished when the water amount in the water bag 1 is insufficient, and the water level can be replenished to the preset standard water amount, that is, the first preset water level line 101 in the water bag 1, each time the water is replenished, thereby reducing the difficulty of replenishing the water bag 1.

[0021] In order to better control the water in the water storage tank 210 so that it can be dynamically maintained at the second preset water level line 201, a water pressure reducing valve (not shown in the figure) can be set on the first water supply pipe 310. By adjusting the valve opening of the water pressure reducing valve, the first water supply pipe 310 can be connected to the external water supply pipeline 6. Under the action of the water pressure of the first water supply pipe 310, the water level in the water storage tank 210 can be dynamically maintained at the second preset water level line 201, thereby reducing the water level drop in the water storage tank 210 and the occurrence of water shortage, so that the water storage tank 210 can continuously and stably dynamically replenish water for the water bag 1. In order to ensure the sealing of the water storage tank 210 with the water bag 1 during the water supply process, a sealing sticker (not shown in the figure) can be provided at the position where the water delivery pipe 220 is connected to the water bag 1. The sealing sticker can ensure the sealing during the water delivery process, thereby preventing water from leaking to the outside during the process of being transported from the water storage tank 210 to the water bag 1.

[0022] It should be noted that the water bag 1 can be hung in the coal mine tunnel through a hook 530 and a mounting frame 510 (which will be elaborated in detail later), and a hanging hole 102 that cooperates with the hook 530 can be provided on the water bag 1, and a plurality of hanging holes 102 on the water bag 1 can be provided at intervals, and the water bag 1 can be hung simultaneously by a plurality of hooks 530, thereby improving the stability of the water bag 1 when hung in the coal mine tunnel.

[0023] In addition, it can be understood that the above-mentioned water replenishment operation for the water bag 1 can only be performed when the water bag 1 is normally hung in the coal mine tunnel. When a coal dust explosion occurs in the coal mine tunnel, the generated shock wave will break the water bag, thereby allowing the water in the water bag 1 to block the harmful gas generated by the coal dust explosion from dispersing, and can extinguish the flame generated by the coal dust explosion to prevent further spread. When the water bag 1 is ruptured by the impact, the water replenishment device cannot replenish the water bag 1 through the water storage tank 210, the water pipe 220 and the air intake pipe 230, and a new water bag 1 needs to be reinstalled before normal water replenishment operations can be performed.

[0024] In some embodiments, reference Figures 1 to 17As shown, the first preset water level lines 101 of the multiple water bags 1 are at the same height. In this arrangement, the multiple water bags 1 can work together to block the gas from drifting and extinguish the flame to prevent the fire from spreading when a coal dust explosion occurs in a coal mine tunnel. That is, it can be understood that when a coal dust explosion occurs in a coal mine tunnel, the shock wave will simultaneously break the multiple water bags 1, and the water stored in the multiple water bags 1 can simultaneously extinguish the flame; and, when the first preset water level lines 101 of the multiple water bags 1 are at the same height, the water replenishment mechanism 2 can simultaneously replenish the multiple water bags 1 that are connected in sequence. That is, it can be understood that when a water shortage occurs in the multiple water bags 1 whose first preset water level lines 101 are at the same horizontal height, the multiple water bags 1 is lower than the first preset water level line 101. At this time, the water in the water bag 1 will no longer block the air inlet of the air inlet pipe 230. The air inlet pipe 230 fills air into the water storage tank 210 to force the water in the water storage tank 210 to flow to the water bag 1 along the water delivery pipe 220. This means that multiple water bags 1 at the same height are replenished with water at the same time. When the water in multiple water bags 1 at the same height reaches the first preset water level line 101, the water supply can be stopped. Through the above-mentioned water supply method, the water supply efficiency and automation degree of the multiple water bags 1 are improved, and the operation is simpler, and there is no need for staff to frequently walk in the coal mine tunnel to replenish water in the water bags 1 at different positions.

[0025] In addition, it should be noted that when the heights of multiple water bags 1 are different, that is, the horizontal heights of the first preset water level lines 101 inside the multiple water bags 1 are also different. At this time, the multiple water bags 1 need to be grouped, and multiple water bags 1 at the same height can be connected in series in sequence, and multiple water bags 1 at different heights are not allowed to be connected in sequence, otherwise it will cause the situation of normal water replenishment. In addition, multiple water bags 1 at the same height can share a set of water replenishment mechanisms 2 so that multiple water bags 1 can be replenished with water at the same time.

[0026] In a second aspect of the present disclosure, there is provided an explosion-proof water shed, referring to Figures 1 to 17As shown, the explosion-proof water canopy includes the water replenishing device in the above-mentioned embodiment, as well as the spraying device 4 and the fixing device 5, and the water replenishing device has all the beneficial effects in the above-mentioned embodiment, and the fixing device 5 is connected to the water replenishing device and the spraying device 4 to fix the water replenishing device and the spraying device 4 in the tunnel. In this way, the fixing device 5 can stably install the water replenishing device and the spraying device 4 in the coal mine tunnel. When the explosion-proof water canopy is fixed in the tunnel of the coal mine, for example, when a coal dust explosion occurs in the tunnel, the shock wave will break the water bag 1, and the water in the water bag 1 will block the gas generated by the shock wave and extinguish the flame, while the spraying device 4 can play an auxiliary role in fire extinguishing, that is, when a flame occurs in the tunnel, the spraying device 4 can spray water through the spray pipe 410 (described in detail below) and other equipment to further prevent the flame in the tunnel from spreading further, and can extinguish the fire in the tunnel more quickly.

[0027] In some embodiments, reference Figures 1 to 17 As shown, the spray device 4 includes a second water supply pipe 410, a spray pipe 420 and a trigger mechanism 430. The second water supply pipe 410 is provided with a stop valve 411; the spray pipe 420 is connected to the second water supply pipe 410, and a plurality of spray ports (not shown in the figure) are provided on the spray pipe 420. The trigger mechanism 430 is connected to the stop valve 411 and includes a first state and a second state. In the first state, the stop valve 411 is closed, and in the second state, the stop valve 411 is opened. The trigger mechanism 430 can switch from the first state to the second state when impacted by airflow. In this way, when a strong airflow such as a shock wave is generated in the coal mine tunnel, the airflow will force the trigger mechanism 430 to switch from the first state to the second state, and then the stop valve 411 can be switched from the closed state to the open state. At this time, the second water supply pipe 410 can be switched from an open circuit to a passage, and the sprinkler pipe 420 can be sprayed by the water supply of the second water supply pipe 410, thereby playing an auxiliary fire extinguishing function, and further, one end of the second water supply pipe 410 can also be connected to the external water supply pipe 6 mentioned in the above embodiment, that is, the first water supply pipe 310 and the second water supply pipe 410 are jointly supplied with water through the external water supply pipe 6, thereby reducing the space occupied by the explosion-proof water shed as a whole in the coal mine tunnel. In addition, the sprinkler pipe 420 can also be fixed to the coal mine tunnel in any suitable manner, and the spraying method of the sprinkler pipe 420 can also be any suitable method, for example, you can refer to Figure 6As shown, the spray pipe 420 can adopt a water curtain nozzle, which can be made by welding and cutting a steel pipe. A linear water spray outlet can be arranged on its circular surface parallel to the axial direction of the nozzle, and top screw seats 421 can be welded on both sides of the other side surface symmetrical to the linear water spray outlet. Top screw seats 421 can be installed on top screw seats 421. Top screw rods 422 can be used for fast fixing and removing the water curtain nozzle. Top screw rods 422 can be installed inside the coal mine tunnel, and one end of the water curtain nozzle can be welded and sealed, and the other end can be provided with a hose interface connected to the second water supply pipe 410. Under this connection mode, it can not only achieve the effect of spraying fire extinguishing when a flame appears in the coal mine tunnel, but also achieve the function of fast disassembly and assembly of the water curtain nozzle for easy maintenance.

[0028] In addition, the trigger mechanism 430 mentioned in the above embodiment can also be constructed as any suitable structure. For example, the trigger mechanism 430 may include devices such as a smoke concentration sensor and a temperature sensor. When the smoke concentration or temperature in the coal mine tunnel exceeds the preset value of the smoke concentration sensor or the temperature sensor, the stop valve 411 can be automatically controlled to switch from a closed state to an open state, thereby starting the water supply of the second water supply pipe 410. It should be noted that the above-mentioned smoke concentration sensor and temperature sensor are only exemplary illustrations, and the trigger mechanism provided by the present disclosure is not limited to the above-mentioned embodiment. Specifically, the specific structure of the trigger mechanism 430 will be expanded below and will not be elaborated here.

[0029] In some embodiments, reference Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, the trigger mechanism 430 includes a rotating shaft 431, a connecting rod 432, a trigger plate 433 and a limiter 434. The rotating shaft 431 is connected to the stop valve 411 and can rotate around its own axis; the connecting rod 432 is connected to the side wall of the rotating shaft 431; the trigger plate 433 is connected to the end of the connecting rod 432 away from the rotating shaft 431, and one side of the trigger plate 433 faces the extension direction of the tunnel; the limiter 434 can limit the connecting rod 432 when the rotating shaft 431 rotates. In this way, when a strong airflow such as a shock wave is generated in the coal mine tunnel due to a dust explosion, the shock wave will impact the side of the trigger plate 433 facing the extension direction of the tunnel, and then the trigger plate 433 can be blown down, that is, it can be understood that the trigger plate 433 will move along the extension direction of the tunnel. Figure 7 In the direction of the drawing, the shaft 431 is rotated clockwise or counterclockwise, which can be understood as the shock wave of the dust explosion can be from Figure 7 The left side of the impact to the right side, or can also be from Figure 7The right side of the trigger plate 433 impacts toward the left side, and the impact directions of the two are opposite. Regardless of whether the trigger plate 433 rotates clockwise or counterclockwise, the connecting rod 432 will swing with the trigger plate 433, thereby driving the rotating shaft 431 to rotate. In addition, the rotating shaft 431 can be understood as a water gate shaft that is widely available in the prior art. The water gate shaft is provided with a flow channel that can communicate with the stop valve 411 or block the flow of water. That is, it can be understood that when the coal mine tunnel is in a normal state to produce dust explosion, the trigger plate 433 will be in Figure 7 The stop valve 411 is in a closed state, and the water flow cannot flow through the flow channel of the water gate shaft to the spray pipe 420. When a dust explosion occurs in the coal mine tunnel, the trigger plate 433 will be impacted by the airflow of the shock wave and move along the Figure 7 The direction of the drawing is clockwise or counterclockwise, at this time, the flow channel of the sluice shaft is connected to the second water supply pipe 410, and the stop valve 411 is in an open state. At this time, the water flow will flow through the second water supply pipe 410 to the spray pipe 420 to continuously supply water to the spray pipe 420. In addition, in order to ensure the stability of the water supply process, the connecting rod 432 can be limited by the limiting member 434, that is, it can be referred to Figure 6 and Figure 7 As shown, when the connecting rod 432 and the trigger plate 433 rotate around the rotating shaft 431, a limiter 434 may be provided on opposite sides of the stop valve 411, so as to limit the rotation angle of the connecting rod 432 and the trigger plate 433, for example, the rotation angle may be limited to the initial position (i.e. Figure 7 The trigger plate 433 is in a vertical position) and can be rotated clockwise and counterclockwise by a maximum of 90°, respectively. Under the limitation of such rotation angle, the trigger plate 433 and the connecting rod 432 can ensure that the sluice shaft can be normally connected to the second water supply pipe 410 at the maximum rotation angle, and then the second water supply pipe 410 can supply water to the spray pipe 420.

[0030] In addition, in order to further increase the swing speed of the trigger plate 433 and the connecting rod 432 when impacted by the airflow of the shock wave, so as to open the stop valve 411 more quickly, refer to Figure 6 and Figure 7 As shown, the trigger mechanism 430 may further include a counterweight 435 connected to the trigger plate 433. When the airflow impacts the trigger plate 433, the trigger plate 433 will swing faster under the gravity of the counterweight 435, that is, it can be referred to Figure 6 and Figure 7As shown, when the counterweight 435 is located above the trigger plate 433, when the trigger plate 433 swings clockwise or counterclockwise around the rotating shaft 431, the counterweight 435 will drive the trigger plate 433 to swing faster under the action of centrifugal phenomenon and its own gravity, so that the water gate shaft can be fully opened faster, so that the second water supply pipe 410 can supply water to the spray pipe 420 faster.

[0031] It should be noted that when the trigger plate 433 is swung by the airflow impact of the shock wave, and the stop valve 411 is in an open state to allow the second water supply pipe to supply water to the spray pipe 420, the trigger mechanism 430 can be in the second state all the time, that is, it can always spray water through the spray pipe 420. Under this limitation, when the dust in the coal mine tunnel explodes continuously and generates multiple airflows, the spray pipe 420 can continue to spray the coal mine tunnel, thereby preventing the continuous spread of the flame. After the flame in the tunnel is extinguished, the staff can go down into the tunnel and manually restore the trigger plate 433 to stop the spray pipe 420 from continuing to spray.

[0032] The spray devices 4 mentioned in the above embodiment can be arranged in multiples at intervals in the coal mine tunnel. For example, one group can be arranged every 3 meters in the extension direction of the tunnel. Under this arrangement, when a flame caused by a dust explosion occurs in the tunnel, multiple groups of spray devices 4 can be used to extinguish the coal mine tunnel at the same time.

[0033] In some embodiments, reference Figures 1 to 3 as well as Figures 10 to 17 As shown, the fixing device 5 includes a mounting frame 510, a bracket 520 and a hook 530, wherein the mounting frame 510 extends in the width direction of the tunnel; there are two brackets 520 and they are respectively connected to the two ends of the mounting frame 510 in the length direction, and the bracket 520 is used to fix the mounting frame 510 in the tunnel; the hook 530 is connected to the mounting frame 510 and the water bag 1, there are multiple hooks 530 and they are arranged at intervals along the length direction of the mounting frame 510, each water bag 1 is connected to at least one hook 530, and the hook 530 includes a first section 531, a second section 532 and a third section 533 connected in sequence, and the first section 531 and the third section 533 are bent toward the same side relative to the second section 532. In this way, the two brackets 520 can be respectively connected to the opposite side walls in the coal mine tunnel and connected to the mounting frame 510, and multiple water bags 1 can be connected to the mounting frame 510 through the hooks 530, refer to Figure 3 As shown, the mounting frame 510 can be welded by channel steel, and the channel steel mouth can face the top of the lane, the width of the mounting frame 510 can be the same as the width of the water bag, and the first section 531 and the third section 533 of the hook 530 are bent toward the same side relative to the second section 532, that is, Fig.10As shown in the effect, the upper end of the hook 530 is bent into a U shape, and the lower end is bent into a V shape. Under this bent structure, when the hook 530 is connected with the mounting frame 510, the first section 531 and the second section 532 of the hook 530 can be respectively attached to the mounting frame 510, that is, the opposite side walls of the channel steel, and the third section 533 at the other end can be used to connect the water bag 1, and finally a Figure 3 As shown in the effect, under this connection mode, when a shock wave of a dust explosion is generated in the tunnel, the hook 530 can be unaffected by the shock wave and can be stably connected to the mounting frame 510, and will not rotate relative to the mounting frame 510. In this way, when the shock wave hits the water bag 1 in the tunnel, the water bag 1 can quickly separate from the hook 530 and fall to the ground and break, so as to prevent the fire from spreading through the water in the water bag 1, or the shock wave can directly break the water bag 1 to extinguish the fire through the water in the water bag 1, thereby improving the effectiveness of the water bag 1 in extinguishing the fire.

[0034] In addition, the mounting frame 510 and the bracket 520 mentioned in the above specific embodiment can also be connected by any suitable connection method, for example, Figure 3 , Figures 12 to 17 As shown, the two brackets 520 at both ends of the mounting frame 510 can be welded and processed by channel steel and round steel. The round steel of the bracket 520 can form an insertion end 521 for inserting into the hole of the coal mine tunnel. Before installing the bracket 520, the installation position in the tunnel can be selected according to the technical requirements. After determining the position, it is determined that the installation position of the bracket 520 can be kept horizontal. According to the installation position of the bracket 520, the tunnel is punched. After the drilling is completed, the insertion end 521 of the bracket 520 can be inserted into the hole of the tunnel to complete the fixing of the bracket 520. After fixing the bracket 520, the mounting frame 510 and the bracket 520 can be fixed by bolt connection, that is, they can be combined. Fig.12 and Fig.15 As shown, a plurality of first mounting holes 511 are respectively provided at both ends of the mounting frame 510, and a plurality of second mounting holes 522 corresponding to the positions of the first mounting holes 511 are provided on the bracket 520. When the bracket 520 is connected to the mounting frame 510, the positions of the first mounting holes 511 and the second mounting holes 522 can be matched one by one, and bolts can be passed through the first mounting holes 511 and the second mounting holes 522 respectively and then fastened by nuts, thereby achieving a fastened connection between the bracket 520 and the mounting frame 510. In addition, in order to further improve the stability of the bracket 520 and the mounting frame 510 after being connected to the hook 530, reference can be made to Figure 3As shown, the channel mouth of the bracket 520 can face downward, while the channel mouth of the mounting frame 510 can face upward. In this positional relationship, the first section 531 of the hook 530 can fit on the inner side of the channel mouth of the mounting frame 510, and the second section 532 can fit on the outer side of the channel mouth of the mounting frame 510 and the outer side of the channel mouth of the bracket 520. In addition, the inner side of the channel mouth of the bracket 520 can also reserve a position space for hanging the water supply bag 1, so that the hook 530 can be connected to the water bag.

[0035] In some embodiments, reference Figure 5 As shown, a U-shaped piece 211 is provided on the outer side of the water tank 210, and the inner side wall of the U-shaped piece 211 is attached to the opposite side walls of the mounting frame 510 when the water tank 210 is connected to the mounting frame 510. In this way, the water tank 210 can be connected to the mounting frame 510 through the U-shaped piece 211 to achieve the position fixation of the water tank 210, and refer to Figure 5 As shown, the U-shaped piece 211 on the water tank 210 can be designed with a notch facing downward, and can be inserted into the side wall of the mounting frame 510 through the notch of the U-shaped piece 211. After the inner side wall of the notch of the U-shaped piece fits with the mounting frame 510, the movement of the water tank 210 relative to the mounting frame 510 can also be reduced, thereby improving the stability of the installation of the water tank 210.

[0036] In some embodiments, reference Figures 1 to 17 As shown, the mounting frames 510 are arranged in multiple rows at intervals along the length direction of the tunnel, and both ends of each mounting frame 510 in the length direction are connected to the bracket 520. In this way, multiple rows of mounting frames 510 can be connected to multiple water bags 1, and each mounting frame 510 can be fixed in the coal mine tunnel through two brackets 520 connected at both ends. In this way, when a coal dust explosion occurs in the tunnel, multiple water bags 1 can jointly extinguish the flame caused by the coal dust explosion to prevent the fire from spreading, thereby improving the fire extinguishing efficiency in the coal mine tunnel.

[0037] In some embodiments, reference Figure 3 As shown, in the vertical direction, the height of the bracket 520 is lower than the height of the mounting frame 510. In this way, when the insertion end 521 of the bracket 520 is inserted into the hole of the lane, the mounting frame 510 is located above the bracket 520, so that the mounting frame 510 can be effectively supported, that is, the mounting frame 510 will not fall directly into the lane due to loose connection with the bracket 520. The mounting frame 510 is supported by the bracket 520, which can effectively improve the stability of the mounting frame 510 installed in the lane.

[0038] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0039] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0040] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A water replenishing device, characterized in that: include: A plurality of water bags connected in sequence, wherein a first preset water level line is provided in each water bag; The water replenishment mechanism comprises a water tank, a water delivery pipe and an air inlet pipe, wherein a second preset water level is provided in the water tank, and the second preset water level is higher than the first preset water level, and the two ends of the water delivery pipe are respectively connected to the water tank and the water bag, and the end of the water delivery pipe connected to the water tank is lower than the second preset water level; the end of the air inlet pipe connected to the water tank is higher than the second preset water level, and the end connected to the water bag is flush with the first preset water level; as well as The water level control mechanism includes a first water supply pipe connected to the water storage tank and a sensor arranged in the water storage tank, wherein the sensor is used to monitor the water volume in the water storage tank, and the first water supply pipe is used to fill the water storage tank with water when the water level in the water storage tank is lower than the second preset water level line.

2. The water replenishing device according to claim 1, characterized in that: The first preset water level lines of the plurality of water bags are at the same height.

3. An explosion-proof water shed, characterized in that: It comprises a water replenishing device as described in any one of claims 1 to 2, as well as a spraying device and a fixing device, wherein the fixing device is connected to the water replenishing device and the spraying device to fix the water replenishing device and the spraying device in the lane.

4. The explosion-proof water canopy according to claim 3, characterized in that: The spraying device comprises: a second water supply pipe, wherein the second water supply pipe is provided with a stop valve; a spray pipe connected to the second water supply pipe, the spray pipe being provided with a plurality of spray ports; and A trigger mechanism is connected to the stop valve, and the trigger mechanism includes a first state and a second state. In the first state, the stop valve is closed, and in the second state, the stop valve is opened. The trigger mechanism can switch from the first state to the second state when impacted by airflow.

5. The explosion-proof water canopy according to claim 4, characterized in that: The trigger mechanism comprises: A rotating shaft, connected to the stop valve and capable of rotating around its own axis; A connecting rod connected to the side wall of the rotating shaft; a trigger plate connected to an end of the connecting rod away from the rotating shaft, with one side of the trigger plate facing the extending direction of the lane; and A limiting member, wherein the limiting member can limit the connection rod when the rotating shaft rotates.

6. The explosion-proof water canopy according to claim 3, characterized in that: The fixing device comprises: A mounting frame extending along the width direction of the lane; Two brackets are connected to both ends of the mounting frame in the length direction, respectively, and the brackets are used to fix the mounting frame in the lane; and A hook is connected to the mounting frame and the water bag. The hooks are multiple and arranged at intervals along the length direction of the mounting frame. Each water bag is connected to at least one hook. The hook includes a first section, a second section, and a third section connected in sequence. The first section and the third section are bent toward the same side relative to the second section.

7. The explosion-proof water canopy according to claim 6, characterized in that: The first section and the second section are respectively attached to two opposite side walls of the mounting frame when the hook is connected to the mounting frame.

8. The explosion-proof water canopy according to claim 6, characterized in that: A U-shaped piece is provided on the outer side of the water storage tank, and the inner side wall of the U-shaped piece is attached to the two opposite side walls of the mounting frame when the water storage tank is connected to the mounting frame.

9. The explosion-proof water canopy according to claim 6, characterized in that: The mounting frames are arranged in a plurality of rows at intervals along the length direction of the lane, and both ends of the length direction of each mounting frame are connected to the bracket.

10. The explosion-proof water canopy according to claim 9, characterized in that: In the vertical direction, the height of the bracket is lower than the height of the mounting bracket.

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