Automatic fire extinguishing and explosion suppression device for underground coal mine

By adjusting the angles of the extinguishing powder and carbon dioxide injection pipes, the problem of fixed injection angles in existing devices was solved, enabling the rapid formation of an explosion isolation zone and improving the fire extinguishing and explosion suppression effect.

CN223634744UActive Publication Date: 2025-12-05赵刚
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Patent Information

Application Number
CN202520170583.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-25
Publication Date
2025-12-05
Estimated Expiration
2035-01-25

AI Technical Summary

Technical Problem

The existing fire extinguishing and explosion suppression devices have fixed spray angles in their pipelines, making it difficult to quickly create an explosion isolation zone within the tunnel, thus affecting the effectiveness of fire extinguishing and explosion suppression.

Method used

The angles of the extinguishing powder and carbon dioxide injection pipes are adjusted by adjusting the mechanism and rotating components, the injection is controlled by a solenoid valve, and the injection range is automatically adjusted by a sensing component to monitor the explosion shock wave.

Benefits of technology

It increases the spray range of extinguishing powder and carbon dioxide, shortens the formation time of the explosion isolation zone, and enhances the fire extinguishing and explosion suppression effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine underground fire extinguishing and explosion suppression, and particularly discloses a coal mine underground automatic fire extinguishing and explosion suppression device which comprises a mounting plate, and the bottom of the mounting plate is connected with a fire extinguishing powder storage tank and a carbon dioxide storage tank through rotating assemblies. A first injection pipe and a second injection pipe are fixedly arranged on the fire extinguishing powder storage tank and the carbon dioxide storage tank respectively, and a first electromagnetic valve and a second electromagnetic valve are arranged on the first injection pipe and the second injection pipe respectively; the fixed frame is driven by the moving assembly to move up and down, and the first injection pipe and the second injection pipe are rotated under the cooperative use of the rotating assembly, so that the injection angles of the first injection pipe and the second injection pipe are adjusted, and fire extinguishing powder and carbon dioxide are conveniently and quickly sprayed to different positions in a roadway; and the fire extinguishing powder and carbon dioxide spraying range is widened, so that the forming time of an explosion isolation area is shortened, and the fire extinguishing and explosion suppression effects are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coal mine underground fire extinguishing and explosion suppression, and particularly relates to a coal mine underground automatic fire extinguishing and explosion suppression device. BACKGROUND

[0002] The gas explosion in a coal mine is very harmful, so it is necessary to isolate the explosion to prevent the explosion from spreading and causing secondary explosion. When a gas and coal dust explosion occurs in a coal mine, high-efficiency and high-concentration fire extinguishing powder is sprayed to form an explosion isolation area in a roadway for a long time, so as to suppress the explosion and prevent the explosion from spreading and causing secondary explosion, thereby effectively reducing the explosion loss and reducing personnel casualties.

[0003] The existing fire extinguishing and explosion suppression device forms an explosion isolation area in a roadway by spraying high-efficiency and high-concentration fire extinguishing powder to suppress the explosion, but the spraying angle of the pipeline is fixed and cannot be adjusted, thereby limiting the spraying range of the fire extinguishing powder, and the fire extinguishing powder cannot form an explosion isolation area in the roadway in a short time, which affects the fire extinguishing and explosion suppression effect. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a coal mine underground automatic fire extinguishing and explosion suppression device, which can adjust the spraying angle of the pipeline, improve the spraying range of the fire extinguishing powder, and reduce the formation time of the explosion isolation area.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The coal mine underground automatic fire extinguishing and explosion suppression device comprises an installation plate, a fire extinguishing powder storage tank and a carbon dioxide storage tank connected to the bottom of the installation plate through a rotating assembly, a first spraying pipe and a second spraying pipe fixedly arranged on the fire extinguishing powder storage tank and the carbon dioxide storage tank, respectively, a first electromagnetic valve and a second electromagnetic valve arranged on the first spraying pipe and the second spraying pipe, respectively, an induction assembly and a fixing assembly arranged on the bottom and the top of the installation plate, respectively, and an adjusting mechanism arranged on the bottom of the installation plate and used for adjusting the rotation of the first spraying pipe and the second spraying pipe.

[0007] The adjusting mechanism comprises adjusting rods fixedly arranged on the outer sidewalls of the fire extinguishing powder storage tank and the carbon dioxide storage tank, respectively, the installation plate is connected with a fixed frame through a moving assembly, the top and the bottom of the adjusting rod are respectively provided with a first limiting plate and a second limiting plate, the adjusting rod is inserted between the first limiting plate and the second limiting plate, and the first limiting plate and the second limiting plate are fixedly arranged on the inner sidewalls of the fixed frame.

[0008] Preferably, rubber pads are fixedly arranged on the outer sidewalls of the opposite ends of the first limiting plate and the second limiting plate, and the top and the bottom of the adjusting rod are in abutting contact with the outer sidewalls of the two rubber pads.

[0009] Preferably, the moving assembly comprises an electric push rod fixedly arranged at the bottom of the mounting plate, a connecting block is fixedly arranged at the bottom of the movable rod end of the electric push rod, the connecting block is fixedly connected with the top of the fixed frame, and the fixed frame is provided with a guide assembly between the mounting plate.

[0010] Preferably, the guide assembly comprises two fixed plates fixedly arranged at the two sides of the fixed frame, a plurality of guide rods are arranged through and slidably arranged on the fixed plates, and the top of the guide rods is fixedly connected with the bottom of the mounting plate.

[0011] Preferably, the rotating assembly comprises a mounting frame, the mounting frame is arranged in a U shape, two rotating rods are fixedly arranged on the outer side walls of the fire extinguishing powder storage tank and the carbon dioxide storage tank, the four rotating rods are arranged through and rotatably arranged on the mounting frame, a connecting piece is fixedly arranged at the top of the mounting frame, and the top of the connecting piece is fixedly connected with the bottom of the mounting plate.

[0012] Preferably, the sensing assembly comprises a fixed frame fixedly arranged at the bottom of the mounting plate, and a sensing device is fixedly arranged on the outer side wall of the fixed frame.

[0013] Preferably, the fixing assembly comprises a plurality of fixing rods fixedly arranged at the top of the mounting plate, the same top plate is fixedly arranged at the top of the fixing rods, and a plurality of bolt holes are arranged on the top plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] Through the up-down movement of the fixed frame driven by the moving assembly, the fixed frame drives the adjusting rod to rotate through the first limiting plate and the second limiting plate, under the cooperation of the rotating assembly, the first spray pipe and the second spray pipe are rotated, so that the spray angle of the first spray pipe and the second spray pipe is adjusted, the fire extinguishing powder and the carbon dioxide are conveniently and quickly sprayed to different positions in the roadway, the spray range of the fire extinguishing powder and the carbon dioxide is improved, the formation time of the explosion isolation area is reduced, and the fire extinguishing and explosion suppression effect is ensured, and the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is one of the perspective views of the utility model;

[0017] Figure 2 It is the second perspective view of the utility model;

[0018] Figure 3 It is the third perspective view of the utility model;

[0019] Figure 4 It is Figure 1 It is the structure enlarged view of A in the middle;

[0020] Fig. 1, mounting plate; 2, fire extinguishing powder storage tank; 3, carbon dioxide storage tank; 4, first injection pipe; 5, second injection pipe; 6, adjusting rod; 7, fixed frame; 8, first limiting plate; 9, second limiting plate; 10, rubber pad; 11, electric push rod; 12, connecting block; 13, fixed plate; 14, guide rod; 15, rotating rod; 16, mounting frame; 17, connecting piece; 18, fixing frame; 19, sensing device; 20, first electromagnetic valve; 21, second electromagnetic valve; 22, top plate; 23, fixed rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment one:

[0023] Please refer to Figures 1-4 As shown in the figure, the automatic fire extinguishing and explosion suppression device in the coal mine includes: a mounting plate 1, a fire extinguishing powder storage tank 2 and a carbon dioxide storage tank 3 are connected to the bottom of the mounting plate 1 through a rotating assembly, a first injection pipe 4 and a second injection pipe 5 are respectively fixedly arranged on the fire extinguishing powder storage tank 2 and the carbon dioxide storage tank 3, a first electromagnetic valve 20 and a second electromagnetic valve 21 are respectively arranged on the first injection pipe 4 and the second injection pipe 5, a sensing assembly and a fixing assembly are respectively arranged on the bottom and top of the mounting plate 1, and an adjusting mechanism for adjusting the rotation of the first injection pipe 4 and the second injection pipe 5 is arranged on the bottom of the mounting plate 1.

[0024] The adjusting mechanism includes adjusting rods 6 fixedly arranged on the outer sidewalls of the fire extinguishing powder storage tank 2 and the carbon dioxide storage tank 3, the mounting plate 1 is connected with a fixed frame 7 through a moving assembly, the top and bottom of the adjusting rod 6 are respectively provided with a first limiting plate 8 and a second limiting plate 9, the adjusting rod 6 is inserted between the first limiting plate 8 and the second limiting plate 9, and the first limiting plate 8 and the second limiting plate 9 are fixedly arranged on the inner sidewall of the fixed frame 7.

[0025] The outer sidewall of one end of each of the first limiting plate 8 and the second limiting plate 9 is fixedly provided with a rubber pad 10, the top and bottom of the adjusting rod 6 are in close contact with the outer sidewalls of the two rubber pads 10, and the adjusting rod 6 is in close contact with the outer sidewalls of the two rubber pads 10. By arranging the rubber pads 10, the first limiting plate 8 and the second limiting plate 9 can be in contact with the adjusting rod 6 after the adjusting rod 6 is tilted during rotation, and the adjusting rod 6 can be conveniently tilted during rotation.

[0026] From the above, the device is fixedly installed to the top position of the coal mine underground by the fixing assembly, the explosion shock wave is monitored by the induction assembly, when the induction assembly senses the explosion shock wave, the first electromagnetic valve 20 and the second electromagnetic valve 21 are opened, so that the first spray pipe 4 and the second spray pipe 5 spray the fire extinguishing powder and the carbon dioxide in the fire extinguishing powder storage tank 2 and the carbon dioxide storage tank 3 into the roadway respectively;

[0027] Meanwhile, the fixed frame 7 is driven by the moving assembly to move upwards or downwards, so that the fixed frame 7 drives the adjusting rod 6 to rotate through the first limiting plate 8 and the second limiting plate 9, under the cooperation of the rotating assembly, the first spray pipe 4 and the second spray pipe 5 rotate downwards or upwards, the spray angle of the first spray pipe 4 and the second spray pipe 5 is adjusted, so that the fire extinguishing powder and the carbon dioxide are quickly sprayed to different places in the roadway, the explosion isolation area is quickly formed in the roadway, the explosion is inhibited and isolated, and the fire is extinguished, the fire extinguishing and explosion inhibition effect of the device is ensured, and use is facilitated.

[0028] Specifically, regarding the above moving assembly, referring to Figure 1 and Figure 4 , the moving assembly comprises an electric push rod 11 fixedly arranged at the bottom of the mounting plate 1, a connecting block 12 is fixedly arranged at the bottom end of the movable rod of the electric push rod 11, the bottom of the connecting block 12 is fixedly connected with the top of the fixed frame 7, and a guide assembly is arranged between the fixed frame 7 and the mounting plate 1.

[0029] The guide assembly comprises two fixed plates 13 fixedly arranged on both sides of the fixed frame 7, a plurality of guide rods 14 are arranged in penetrating and sliding mode on the fixed plate 13, and the top of each guide rod 14 is fixedly connected with the bottom of the mounting plate 1.

[0030] As can be seen from the above, the electric push rod 11 is a prior art, which will not be described here, the electric push rod 11 drives the fixed frame 7 to move upwards or downwards through the connecting block 12, and the movement of the fixed frame 7 is limited and guided through the cooperation of the guide rod 14 and the fixed plate 13, so that the movement of the fixed frame 7 is more stable.

[0031] Specifically, regarding the above rotating assembly, referring to Figure 1 , Figure 2 and Figure 3 , the rotating assembly comprises a mounting frame 16, the mounting frame 16 is arranged in U shape, two rotating rods 15 are fixedly arranged on the outer side walls of the fire extinguishing powder storage tank 2 and the carbon dioxide storage tank 3, the four rotating rods 15 are arranged in penetrating and rotating mode on the mounting frame 16, a connecting piece 17 is fixedly arranged at the top of the mounting frame 16, and the top of the connecting piece 17 is fixedly connected with the bottom of the mounting plate 1.

[0032] From the above, through the setting of the rotating assembly, when the adjusting rod 6 is rotated, the fire extinguishing powder storage tank 2 and the carbon dioxide storage tank 3 are driven to rotate, so that the first spray pipe 4 and the second spray pipe 5 are adjusted to rotate, and the spray angle of the first spray pipe 4 and the second spray pipe 5 is adjusted.

[0033] Embodiment two:

[0034] Reference Figure 2 and Figure 3 As shown in the figure, the induction assembly comprises a fixed frame 18 fixedly arranged at the bottom of the mounting plate 1, and an induction device 19 fixedly arranged on the outer side wall of the fixed frame 18.

[0035] As can be seen from the above, the induction device 19 is prior art, which will not be described here. The explosion shock wave is inducted and monitored by the induction device 19, so that the device can automatically extinguish fire and suppress explosion.

[0036] Preferably, the fixing assembly comprises a plurality of fixing rods 23 fixedly arranged at the top of the mounting plate 1, and a same top plate 22 fixedly arranged at the top of the plurality of fixing rods 23, and a plurality of bolt holes are arranged on the top plate 22.

[0037] As can be seen from the above, through the setting of the top plate 22, the device can be conveniently installed and fixed to the top of the underground coal mine, and the device can be conveniently installed and disassembled, and the device is convenient to use.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automatic fire extinguishing and explosion suppression device in a coal mine, characterized in that, The utility model relates to a kind of fire extinguishing device, including: Mounting plate (1), the bottom of mounting plate (1) is connected with fire extinguishing powder storage tank (2) and carbon dioxide storage tank (3) by rotating component, first injection pipe (4) and second injection pipe (5) are respectively fixed on fire extinguishing powder storage tank (2) and carbon dioxide storage tank (3), first electromagnetic valve (20) and second electromagnetic valve (21) are respectively arranged on first injection pipe (4) and second injection pipe (5), the bottom and top of mounting plate (1) are equipped with induction component and fixed component respectively, the bottom of mounting plate (1) is equipped with adjusting mechanism for adjusting the rotation of first injection pipe (4) and second injection pipe (5); The adjusting mechanism includes adjusting rod (6) fixed on the outer side wall of fire extinguishing powder storage tank (2) and carbon dioxide storage tank (3) respectively, and the mounting plate (1) is connected with fixed frame (7) by moving component, the top and bottom of adjusting rod (6) are equipped with first limiting plate (8) and second limiting plate (9) respectively, and the adjusting rod (6) is inserted between first limiting plate (8) and second limiting plate (9), and first limiting plate (8) and second limiting plate (9) are fixed on the inner side wall of fixed frame (7).

2. The automatic fire extinguishing and explosion suppression device for underground coal mine according to claim 1, characterized in that: The outer side wall of the opposite end of first limiting plate (8) and second limiting plate (9) is fixed with rubber pad (10), and the top and bottom of adjusting rod (6) are in close contact with the outer side wall of two rubber pads (10).

3. The automatic fire extinguishing and explosion suppression device for underground coal mine according to claim 1, characterized in that: The moving component includes electric push rod (11) fixed on the bottom of mounting plate (1), the bottom of electric push rod (11) is fixed with connecting block (12), the bottom of connecting block (12) is fixed with fixed frame (7), and the fixed frame (7) and mounting plate (1) are equipped with guiding component.

4. The automatic fire extinguishing and explosion suppression device for underground coal mine according to claim 3, characterized in that: The guiding component includes two fixed plates (13) fixed on both sides of fixed frame (7), a plurality of guiding rods (14) are through and slidably arranged on the fixed plate (13), and the top of the plurality of guiding rods (14) is fixed with the bottom of mounting plate (1).

5. The automatic fire extinguishing and explosion suppression device for underground coal mine according to claim 1, characterized in that: The rotating component includes mounting frame (16), the mounting frame (16) is arranged in U shape, two rotating rods (15) are fixed on the outer side wall of fire extinguishing powder storage tank (2) and carbon dioxide storage tank (3), four rotating rods (15) are through and rotatably arranged on mounting frame (16), connecting piece (17) is fixed on the top of mounting frame (16), and the top of connecting piece (17) is fixed with the bottom of mounting plate (1).

6. The automatic fire extinguishing and explosion suppression device for underground coal mine according to claim 1, characterized in that: The induction component includes fixed frame (18) fixed on the bottom of mounting plate (1), and induction device (19) is fixed on the outer side wall of fixed frame (18).

7. The automatic fire extinguishing and explosion suppression device for underground coal mine according to claim 1, characterized in that: The fixed component includes a plurality of fixed rods (23) fixed on the top of mounting plate (1), the top of the plurality of fixed rods (23) is fixed with the same top plate (22), and the top plate (22) is provided with a plurality of bolt holes.