Fire preventing and extinguishing device for lower-layer stoping upper-layer goaf
By designing an adjustable-tilt mixing tank and hose clamping mechanism, the problem of existing fire prevention and extinguishing devices in goaf areas tipping over on slopes has been solved, enabling stable use and effective fire prevention and extinguishing in different terrains.
Patent Information
- Application Number
- CN202520451351.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing fire prevention and extinguishing devices in the goaf have a fixed structure, which cannot adapt to different terrains. They are prone to tipping over on slopes, affecting their effectiveness.
A fire extinguishing device was designed, comprising components such as a base, a moving rod, a fixed rod, a limiting ring, a scissor structure, and an electric push rod. Through the interconnection and driving of these components, the tilt of the mixing tank and the clamping of the hose can be achieved, adapting to different terrains and maintaining the balance of the device.
The tilt of the mixing tank can be adjusted on sloping terrain to maintain the balance of the device, ensure the effective spraying of fire extinguishing materials, prevent the hose from detaching from the discharge pipe, and improve the stability and efficiency of the device.
Smart Images

Figure CN223647860U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire prevention and extinguishing technology in goaf areas, specifically a fire prevention and extinguishing device for upper goaf areas in lower-layer mining. Background Technology
[0002] Goaf areas are "cavities" created below the surface by human excavation or natural geological movements. The existence of goaf areas poses a significant safety hazard to mine production, as personnel and machinery may fall into the goaf area and be injured.
[0003] Due to the characteristics of underground goaf areas, such as strong concealment, poor spatial distribution patterns, and unpredictable roof collapse, quantitatively assessing the distribution range, spatial morphology, and collapse status of goaf areas has always been a key technical challenge for engineering technicians in evaluating the potential hazards of goaf areas and rationally determining treatment strategies. When operating in goaf areas, personnel need to prevent and extinguish fires; otherwise, safety hazards may arise, affecting subsequent operations and protection. This necessitates the use of goaf fire prevention and extinguishing devices. However, existing goaf fire prevention and extinguishing devices have fixed structures, cannot adapt to different terrains, and are prone to tipping over on slopes, hindering their use. Utility Model Content
[0004] The purpose of this utility model is to provide a fire prevention and extinguishing device for the upper goaf area in the lower layer mining process, so as to solve the problem mentioned in the background art that the existing goaf fire prevention and extinguishing devices have a fixed structure, cannot adapt to different terrains, are prone to tipping over on slopes, and are not conducive to the use of the device.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a fire prevention and extinguishing device for the upper goaf area in a lower-layer mining operation, comprising a base, a first movable rod slidably connected to the surface of the base, a first fixed rod fixedly connected to the surface of the base, a first limiting ring fixedly connected to the surface of the first movable rod, a scissor structure movably connected to the surface of the first movable rod, a second movable rod movably connected to the surface of the scissor structure, a second fixed rod movably connected to the surface of the scissor structure, an electric push rod fixedly connected to the surface of the base, an installation platform fixedly connected to the surface of the second fixed rod, a mixing tank fixedly connected to the surface of the installation platform, a pump body provided on the upper surface of the mixing tank, a discharge pipe fixedly connected to the surface of the pump body, a control valve provided on the surface of the discharge pipe, a fixed block fixedly connected to the surface of the pump body, a second limiting ring movably connected inside the fixed block, a bidirectional screw fixedly connected to the surface of the second limiting ring, a rotating head fixedly connected to one end of the bidirectional screw, a limiting plate fixedly connected to the other end of the bidirectional screw, a movable plate movably connected to the surface of the bidirectional screw, and a clamping plate fixedly connected to the surface of the movable plate.
[0006] Preferably, both the first moving rod and the first fixed rod are round rods, the first limiting ring is circular, and four sets of first limiting rings are distributed on the surface of each set of the first moving rod and the first fixed rod.
[0007] Preferably, the scissor structure is movably connected to the first moving rod and the first limiting ring, and the scissor structure is movably connected to the first fixed rod.
[0008] Preferably, both the second moving rod and the second fixed rod are round rods, and both are movably connected to the scissor structure.
[0009] Preferably, the second moving rod is slidably connected to the mounting platform via a scissor structure, the electric push rod is fixedly connected to the first moving rod, and the mounting platform is symmetrically distributed in two groups on the lower surface of the mixing tank.
[0010] Preferably, the fixing block is block-shaped, and the fixing blocks are symmetrically distributed in two sets on both sides of the pump body. The second limiting ring is circular, and the bidirectional lead screw is movably connected to the fixing block through the second limiting ring.
[0011] Preferably, the limiting plate is circular, the moving plate is plate-shaped, and two sets of moving plates are distributed on the surface of a set of bidirectional lead screws. The moving plates are slidably connected to the pump body through the bidirectional lead screws.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. Through the sliding connection between the base and the first moving rod, the fixed connection between the base and the first fixed rod, the fixed connection between the first moving rod and the first limiting ring, the movable connection between the first moving rod and the scissor structure, the movable connection between the scissor structure and the second moving rod, the movable connection between the scissor structure and the second fixed rod, the fixed connection between the base and the electric push rod, and the fixed connection between the second fixed rod and the mounting platform, the electric push rod drives the first moving rod to move, which can drive the mounting platform to rise and fall, thereby adjusting the inclination of the mixing tank, so that the mixing tank can adapt to different terrains, and can maintain the balance of the fire extinguishing device on slopes, which is beneficial to the use of the device.
[0014] 2. Through the movable connection of the fixed block and the second limiting ring, the fixed connection of the second limiting ring and the bidirectional screw, the fixed connection of the bidirectional screw and the rotating head, the fixed connection of the bidirectional screw and the limiting plate, the movable connection of the bidirectional screw and the moving plate, and the fixed connection of the moving plate and the clamping plate, after the hose is connected to the discharge pipe, rotating the rotating head and the bidirectional screw can drive the moving plate to move, so that the two moving plates drive the clamping plate closer, thereby clamping and limiting the hose, preventing the hose from detaching from the discharge pipe during operation. Attached Figure Description
[0015] Figure 1 This is a three-dimensional front view of the structure of this utility model;
[0016] Figure 2 This is a side-view perspective view of the structure of this utility model;
[0017] Figure 3 This is a partial three-dimensional schematic diagram of the adjusting mechanism of this utility model;
[0018] Figure 4 This is a partial three-dimensional structural diagram of the scissor structure of this utility model;
[0019] Figure 5 This is a three-dimensional partial cross-sectional view of the limiting mechanism of this utility model.
[0020] In the diagram: 1. Base; 2. First moving rod; 3. First fixed rod; 4. First limiting ring; 5. Scissor structure; 6. Second moving rod; 7. Second fixed rod; 8. Electric push rod; 9. Mounting platform; 10. Mixing tank; 11. Pump body; 12. Discharge pipe; 13. Control valve; 14. Fixing block; 15. Second limiting ring; 16. Bidirectional lead screw; 17. Rotating head; 18. Limiting plate; 19. Moving plate; 20. Clamping plate. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figure 1-5 One embodiment provided by this utility model:
[0023] A fire prevention and extinguishing device for the upper goaf area in a lower-layer mining operation includes a base 1. A first movable rod 2 is slidably connected to the surface of the base 1, and a first fixed rod 3 is fixedly connected to the surface of the base 1. A first limiting ring 4 is fixedly connected to the surface of the first movable rod 2. The first limiting ring 4 is used to limit the movement of the shear structure 5, preventing it from moving and affecting its operation. The shear structure 5 is movably connected to the surface of the first movable rod 2. The shear structure 5 is used to adjust the inclination of the mixing tank 10, allowing the mixing tank 10 to adapt to different terrains and maintain the balance of the fire prevention and extinguishing device even on slopes, which is beneficial for the use of the device. A second movable rod 6 is movably connected to the surface of the shear structure 5. The first movable rod 2 and the second movable rod 6 are used to adjust the inclination of the shear structure 10. One side of the scissor structure 5 is movable, thereby enabling the lifting and lowering function of the scissor structure 5. A second fixed rod 7 is movably connected to the surface of the scissor structure 5. The first fixed rod 3 and the second fixed rod 7 are used to fix one side of the scissor structure 5, thereby enabling the lifting and lowering function of the scissor structure 5. An electric push rod 8 is fixedly connected to the surface of the base 1. The electric push rod 8 is used to drive the first moving rod 2 to move, thereby enabling the lifting and lowering function of the scissor structure 5. An installation platform 9 is fixedly connected to the surface of the second fixed rod 7. The installation platform 9 is used to install fire extinguishing devices. A mixing tank 10 is fixedly connected to the surface of the installation platform 9. The mixing tank 10 is used to stir to generate fire extinguishing materials. A pump body 11 is provided on the upper surface of the mixing tank 10. The pump body 11 is used to pump the fire extinguishing materials in the mixing tank 10. Material is sprayed from the discharge pipe 12 to achieve fire prevention and extinguishing. The discharge pipe 12 is fixedly connected to the surface of the pump body 11. The discharge pipe 12 is used to spray fire prevention and extinguishing material. A control valve 13 is provided on the surface of the discharge pipe 12 to control the opening and closing of the discharge pipe 12. A fixing block 14 is fixedly connected to the surface of the pump body 11 to fix the limiting mechanism to the pump body 11. A second limiting ring 15 is movably connected inside the fixing block 14 to limit the bidirectional screw 16, so that the bidirectional screw 16 can only rotate in place. The bidirectional screw 16 is fixedly connected to the surface of the second limiting ring 15 to drive the moving plate 19 and the clamping plate 20 to move, so that the two clamping plates 20 move closer to each other, thereby achieving fire prevention and extinguishing. The hose is clamped and limited to prevent it from detaching from the discharge pipe 12 during operation. One end of the bidirectional lead screw 16 is fixedly connected to a rotating head 17, which facilitates the rotation of the bidirectional lead screw 16. The other end of the bidirectional lead screw 16 is fixedly connected to a limiting plate 18, which limits the movement plate 19 to prevent it from detaching from the bidirectional lead screw 16. The surface of the bidirectional lead screw 16 is movably connected to the movement plate 19, which drives the clamping plate 20 to move. The surface of the movement plate 19 is fixedly connected to the clamping plate 20, which clamps and limits the hose to prevent it from detaching from the discharge pipe 12 during operation. The electric push rod 8 and the pump body 11 are existing products and are not considered as technical protection points of this application. Therefore, they will not be described in detail here.
[0024] Furthermore, both the first moving rod 2 and the first fixed rod 3 are round rods, and the first limiting ring 4 is annular. Four sets of first limiting rings 4 are distributed on the surface of each set of the first moving rod 2 and the first fixed rod 3. The first limiting rings 4 are used to limit the scissor structure 5 and prevent the scissor structure 5 from moving and affecting its operation.
[0025] Furthermore, the scissor structure 5 is movably connected to the first moving rod 2 and the first limiting ring 4, and the scissor structure 5 is movably connected to the first fixed rod 3. The scissor structure 5 is used to adjust the inclination of the mixing tank 10, so that the mixing tank 10 can adapt to different terrains and maintain the balance of the fire extinguishing device on slopes, which is beneficial to the use of the device.
[0026] Furthermore, both the second moving rod 6 and the second fixed rod 7 are round rods, and both are movably connected to the scissor structure 5. The first moving rod 2 and the second moving rod 6 are used to allow one side of the scissor structure 5 to move, thereby realizing the lifting and lowering function of the scissor structure 5. The first fixed rod 3 and the second fixed rod 7 are used to fix one side of the scissor structure 5, thereby realizing the lifting and lowering function of the scissor structure 5.
[0027] Furthermore, the second moving rod 6 is slidably connected to the scissor structure 5 and the mounting platform 9, and the electric push rod 8 is fixedly connected to the first moving rod 2. The electric push rod 8 is used to drive the first moving rod 2 to move, thereby realizing the lifting function of the scissor structure 5. The mounting platform 9 is symmetrically distributed in two sets on the lower surface of the mixing tank 10. The mounting platform 9 is used to install fire prevention and extinguishing devices. The mixing tank 10 is used to stir to generate fire prevention and extinguishing materials. The pump body 11 is used to spray the fire prevention and extinguishing materials in the mixing tank 10 from the discharge pipe 12, thereby realizing fire prevention and extinguishing. The discharge pipe 12 is used to spray the fire prevention and extinguishing materials. The control valve 13 is used to control the opening and closing of the discharge pipe 12.
[0028] Furthermore, the fixing block 14 is block-shaped, and two sets of fixing blocks 14 are symmetrically distributed on both sides of the pump body 11. The fixing block 14 is used to fix the limiting mechanism on the pump body 11. The second limiting ring 15 is circular and is used to limit the bidirectional screw 16, so that the bidirectional screw 16 can only rotate in place. The bidirectional screw 16 is movably connected to the fixing block 14 through the second limiting ring 15. The bidirectional screw 16 is used to drive the moving plate 19 and the clamping plate 20 to move, so that the two clamping plates 20 are close to each other, thereby clamping and limiting the hose, preventing the hose from detaching from the discharge pipe 12 during operation. The rotating head 17 is used to facilitate the rotation of the bidirectional screw 16.
[0029] Furthermore, the limiting plate 18 is in the shape of a circular plate. The limiting plate 18 is used to limit the moving plate 19 and prevent the moving plate 19 from disengaging from the bidirectional lead screw 16. The moving plate 19 is plate-shaped, and two sets of moving plates 19 are distributed on the surface of a set of bidirectional lead screws 16. The moving plate 19 is slidably connected to the pump body 11 through the bidirectional lead screw 16. The moving plate 19 is used to drive the clamping plate 20 to move. The clamping plate 20 is used to clamp and limit the hose to prevent the hose from disengaging from the discharge pipe 12 during operation.
[0030] Working principle: The electric push rod 8 drives the first moving rod 2 to move, which can drive the mounting platform 9 to rise and fall, thereby adjusting the tilt of the mixing tank 10 so that the mixing tank 10 can adapt to different terrains and maintain the balance of the fire extinguishing device on slopes, which is beneficial to the use of the device.
[0031] After connecting the hose to the discharge pipe 12, rotating the rotating head 17 and the bidirectional screw 16 can drive the moving plate 19 to move, so that the two moving plates 19 can bring the clamping plate 20 closer together, thereby clamping and limiting the hose to prevent the hose from detaching from the discharge pipe 12 during operation. Then, the pump body 11 can pump the fire extinguishing material in the mixing tank 10 from the discharge pipe 12 into the hose and spray it out from the hose, thereby achieving fire extinguishing.
[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A fire prevention and extinguishing device for the upper goaf area in a lower-layer mining operation, comprising a base (1), characterized in that: A first moving rod (2) is slidably connected to the surface of the base (1), a first fixed rod (3) is fixedly connected to the surface of the base (1), a first limiting ring (4) is fixedly connected to the surface of the first moving rod (2), a scissor structure (5) is movably connected to the surface of the first moving rod (2), a second moving rod (6) is movably connected to the surface of the scissor structure (5), a second fixed rod (7) is movably connected to the surface of the scissor structure (5), an electric push rod (8) is fixedly connected to the surface of the base (1), a mounting platform (9) is fixedly connected to the surface of the second fixed rod (7), a mixing tank (10) is fixedly connected to the surface of the mounting platform (9), and the upper surface of the mixing tank (10) is... A pump body (11) is provided, and a discharge pipe (12) is fixedly connected to the surface of the pump body (11). A control valve (13) is provided on the surface of the discharge pipe (12). A fixing block (14) is fixedly connected to the surface of the pump body (11). A second limiting ring (15) is movably connected inside the fixing block (14). A bidirectional lead screw (16) is fixedly connected to the surface of the second limiting ring (15). A rotating head (17) is fixedly connected to one end of the bidirectional lead screw (16). A limiting plate (18) is fixedly connected to the other end of the bidirectional lead screw (16). A moving plate (19) is movably connected to the surface of the bidirectional lead screw (16). A clamping plate (20) is fixedly connected to the surface of the moving plate (19).
2. A fire prevention and extinguishing device for the upper goaf area in lower-layer mining according to claim 1, characterized in that: The first moving rod (2) and the first fixed rod (3) are both round rods, and the first limiting ring (4) is annular. Four sets of first limiting rings (4) are distributed on the surface of each set of the first moving rod (2) and the first fixed rod (3).
3. A fire prevention and extinguishing device for the upper goaf area in lower-layer mining according to claim 1, characterized in that: The scissor structure (5) is movably connected to the first moving rod (2) and the first limiting ring (4), and the scissor structure (5) is movably connected to the first fixed rod (3).
4. A fire prevention and extinguishing device for the upper goaf area in lower-layer mining according to claim 1, characterized in that: The second moving rod (6) and the second fixed rod (7) are both round rods, and the second moving rod (6) and the second fixed rod (7) are movably connected to the scissor structure (5).
5. A fire prevention and extinguishing device for the upper goaf area in lower-layer mining according to claim 1, characterized in that: The second moving rod (6) is slidably connected to the mounting platform (9) via the scissor structure (5), the electric push rod (8) is fixedly connected to the first moving rod (2), and the mounting platform (9) is symmetrically distributed in two groups on the lower surface of the mixing tank (10).
6. A fire prevention and extinguishing device for the upper goaf area in lower-layer mining according to claim 1, characterized in that: The fixing block (14) is block-shaped, and the fixing blocks (14) are symmetrically distributed on both sides of the pump body (11) in two sets. The second limiting ring (15) is circular. The bidirectional screw (16) is movably connected to the fixing block (14) through the second limiting ring (15).
7. A fire prevention and extinguishing device for the upper goaf area in lower-layer mining according to claim 1, characterized in that: The limiting plate (18) is circular, the moving plate (19) is plate-shaped, and two sets of moving plates (19) are distributed on the surface of a set of bidirectional lead screws (16). The moving plates (19) are slidably connected to the pump body (11) through the bidirectional lead screws (16).