Spraying device for coal mining

CN223984493UActive Publication Date: 2026-03-10DATONG COAL MINE GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

The existing coal mine spraying devices have fixed spray range and angle, which limits the water mist spraying range and makes them less practical.

Method used

A coal mine spraying device was designed, comprising a trolley, a spraying mechanism, and an adjustment mechanism. The spraying range and angle are adjustable through a combination of a water pump, a telescopic rod, an elastic cloth, a variable frequency fan, and a motor. The telescopic rod and the elastic cloth form a cylindrical shell, and the spraying distance, range, and direction are adjusted by combining the variable frequency fan and the motor.

Benefits of technology

The practicality of the spraying device has been improved, enabling flexible adjustment of the spraying range and angle, and enhancing the uniformity and coverage of the spraying effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mining equipment, in particular to a spraying device for coal mining, which comprises a cart, a spraying mechanism and an adjusting mechanism. According to the utility model, the spraying mechanism is arranged at the top of the water tank, a water pump is started, so that a plurality of atomizing nozzles spray water conveniently, a plurality of telescopic rods and a plurality of pieces of elastic cloth are utilized to form a cylindrical shell, then a variable-frequency fan is started, and air blown by the variable-frequency fan is utilized to roll up sprayed water mist and blow the water mist to a specific area; according to the device, a plurality of elastic cloths are arranged in the barrel-shaped shell, so that spraying dust falling treatment is facilitated, a spraying assembly is rotated by starting a first motor, water mist at the spraying position is more uniform, the spraying effect is improved, a plurality of telescopic rods are deflected by starting a second motor, and the size of the end of the barrel-shaped shell formed by the telescopic rods and the elastic cloths is adjusted, so that the spraying effect is improved. And by controlling the rotating speed of the variable-frequency fan, the spraying distance and the spraying range of the spraying mechanism can be adjusted conveniently.
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Description

Technical Field

[0001] This utility model relates to the technical field of coal mining equipment, specifically a spraying device for coal mining. Background Technology

[0002] Coal mine operations generate varying levels of dust and coal dust. Coal dust can explode under certain conditions, causing significant damage to personnel and property. Excessive dust levels create a harsh working environment and negatively impact the health of workers. Therefore, to reduce airborne dust at construction sites, sprinkler systems are commonly used for dust suppression. The main principle of dust suppression sprinkler systems is to use water mist or chemical agents to react with airborne dust particles, wetting and settling them, reducing their suspension time and dispersion range. Specific device designs and operating methods may vary, but they typically include the following components: a nozzle system, a water supply system, a control system, and auxiliary equipment. Using dust suppression sprinkler systems can effectively reduce the amount of dust generated during coal mining. However, the spray range and angle of these systems are generally fixed, limiting the effective spraying and dust suppression area, thus reducing their practicality. Utility Model Content

[0003] The purpose of this utility model is to provide a spraying device for coal mine operation to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A coal mine spraying device includes:

[0006] A trolley, on which a water tank is fixedly connected;

[0007] A spraying mechanism is located on top of the water tank;

[0008] An adjustment mechanism is installed on the spraying mechanism.

[0009] Furthermore, the spraying mechanism includes:

[0010] Connecting plate;

[0011] A water pump is fixedly connected to the top of the water tank. The pump's pumping end is connected to a connecting pipe 1, and one end of the connecting pipe 1 passes through the side wall of the water tank and extends to the bottom of the inside of the water tank. The pump's outlet end is connected to a connecting pipe 2, and one end of the pump is equipped with a spraying component.

[0012] A circular tube is fixedly connected to the top of one side of the connecting plate. Multiple telescopic rods are evenly rotatably connected to one side of the circular tube, and elastic cloth is glued and fixed between the multiple telescopic rods. A connecting hole is opened at one end of the telescopic rod. A connecting frame is fixedly connected inside the circular tube, and a rotating component is provided on the circular tube.

[0013] The circular shell is fixedly connected to the interior of the connecting frame at one end, and a variable frequency fan is fixedly connected to the other end of the circular shell. Multiple sliding through holes are evenly opened at the other end of the circular shell, and an adjustment component is provided on the circular shell.

[0014] Preferably, the spraying assembly includes:

[0015] A fixed shell is rotatably connected to one end of the connecting pipe 2, and a conveying shell is fixedly connected to the other side of the fixed shell, and a conveying pipe is fixedly connected to one end of the conveying shell.

[0016] A connecting shell is fixedly connected to one side of the conveying pipe. Multiple water storage shells (first type) are uniformly connected and fixed to the outside of the connecting shell. Multiple elastic tubes are uniformly connected and fixed to the outside of the connecting shell, and one end of each elastic tube is connected and fixedly connected to a water storage pipe (second type). Multiple atomizing nozzles are fixedly connected to one side of each of the multiple water storage shells (first type) and the multiple water storage pipes (second type). A rotating block is rotatably connected to one end of each of the multiple water storage pipes (second type), and one end of the rotating block is fixedly connected to a corresponding telescopic rod. A limiting shell is fixedly connected to one side of each of the multiple water storage shells (first type), and a limiting block is slidably connected inside the limiting shell. One side of the limiting block is fixedly connected to a corresponding water storage pipe (second type).

[0017] Preferably, the adjustment assembly includes a second motor, one end of which is fixedly connected to an inner sidewall of the circular shell. A screw is fixedly connected to the output end of the second motor, and a movable plate is screwed onto the outside of the screw. The movable plate is slidably connected to multiple sliding through holes, and a movable ring is fixedly connected to the outside of the movable plate. Multiple fixed seats are uniformly fixed to the outer sidewall of the movable ring, and a connecting rod is rotatably connected inside the fixed seat. One end of the connecting rod is rotatably connected to the inside of a corresponding through hole.

[0018] Preferably, the width inside the fixing seat is the same as the thickness of the connecting rod, and the thickness of the connecting rod is the same as the width inside the communicating hole.

[0019] Preferably, the rotating assembly includes a motor, one end of which is fixedly connected to one side of the connecting plate, and a gear is fixedly connected to the output end of the motor. A gear ring meshes with the outer side of the gear, and the gear ring is embedded and fixed to the outer wall of the circular tube.

[0020] Furthermore, the adjustment mechanism includes:

[0021] The support frame is fixedly connected at its bottom to the top of the water tank;

[0022] The support block is rotatably connected to the top of the support frame;

[0023] The support frame is fixedly connected at one end to the top of the support block;

[0024] An electric cylinder is located at the bottom of the other end of the support frame. A connecting block is fixedly connected to one end and the output end of the electric cylinder. A connecting seat is rotatably connected to the outside of the connecting block, and the two connecting seats are fixedly connected to the bottom of the support frame and the top of the water tank, respectively.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] 1. By installing a spraying mechanism on the top of the water tank and starting the water pump, multiple atomizing nozzles can easily spray water. A cylindrical shell is formed by multiple telescopic rods and multiple elastic cloths. By starting a variable frequency fan, the air blown by the variable frequency fan can pick up the sprayed water mist and blow it to a specific area, thus facilitating dust suppression spraying. By starting motor one, the spraying components are rotated, making the water mist more uniform and improving the spraying effect. By starting motor two, multiple telescopic rods are deflected. By adjusting the size of the end of the cylindrical shell formed by multiple telescopic rods and multiple elastic cloths, and by controlling the speed of the variable frequency fan, the spraying distance and spraying range of the spraying mechanism can be adjusted. Furthermore, the spraying direction of the spraying mechanism can be adjusted using an adjustment mechanism, thus improving the practicality of the spraying device used in coal mines. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the spraying mechanism in this utility model;

[0029] Figure 3 This is a schematic diagram showing the positional relationship between the circular tube and the telescopic rod in this utility model;

[0030] Figure 4 yes Figure 3 Enlarged view of a portion of point A in the middle;

[0031] Figure 5 This is a schematic diagram showing the positional relationship between the connecting shell and the water-storing shell in this utility model;

[0032] Figure 6 This is a schematic diagram of the adjustment mechanism in this utility model.

[0033] In the diagram: 100, trolley; 110, water tank; 200, spraying mechanism; 210, connecting plate; 220, water pump; 221, connecting pipe one; 222, connecting pipe two; 230, round pipe; 231, connecting frame; 232, telescopic rod; 233, elastic cloth; 234, connecting hole; 240, round shell; 241, variable frequency fan; 242, sliding through hole; 250, fixed shell; 251, conveying shell; 252, conveying pipe; 260, connecting shell; 261, water storage shell one; 262, elastic cloth. 263. Water storage pipe II; 264. Atomizing nozzle; 265. Rotating block; 266. Limiting shell; 267. Limiting block; 270. Motor I; 271. Gear; 272. Gear ring; 280. Motor II; 281. Screw; 282. Moving plate; 283. Moving ring; 284. Fixed seat; 285. Connecting rod; 300. Adjusting mechanism; 310. Support frame; 320. Support block; 330. Bearing frame; 340. Electric cylinder; 341. Connecting block; 342. Connecting seat. Detailed Implementation

[0034] 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.

[0035] Please see Figure 1-6 In this embodiment of the utility model, a coal mine spraying device includes: a trolley 100, a spraying mechanism 200 and an adjusting mechanism 300. A water tank 110 is fixedly connected to the trolley 100, the spraying mechanism 200 is disposed on the top of the water tank 110, and the adjusting mechanism 300 is disposed on the spraying mechanism 200.

[0036] Specifically, the water tank 110 and the spraying mechanism 200 are used together to facilitate spraying treatment, and the adjustment mechanism 300 makes it easy to adjust the spraying direction of the spraying mechanism 200, making it more convenient to use.

[0037] Example 1

[0038] like Figure 2-5As shown, in this embodiment, the spraying mechanism 200 includes: a connecting plate 210, a water pump 220, a circular pipe 230, and a circular shell 240. The water pump 220 is fixedly connected to the top of the water tank 110. The pumping end of the water pump 220 is connected to a connecting pipe 221, and one end of the connecting pipe 221 passes through the side wall of the water tank 110 and extends to the bottom of the inner side of the water tank 110. The outlet end of the water pump 220 is connected to a connecting pipe 222, and a spraying assembly is provided at one end of the water pump 220. The circular pipe 230 is fixedly connected to the top of one side of the connecting plate 210. Multiple telescopic rods 232 are evenly rotatably connected to one side of the circular pipe 230, and elastic cloth 233 is bonded and fixed between the multiple telescopic rods 232. One end of the tube 230 has a connecting hole 234. A connecting frame 231 is fixedly connected inside the tube 230. A rotating component is provided on the tube 230. One end of the shell 240 is fixedly connected to the inside of the connecting frame 231. A variable frequency fan 241 is fixedly connected to the other end of the shell 240. Multiple sliding through holes 242 are evenly provided on the other end of the shell 240. An adjustment component is provided on the shell 240. The spraying component includes a fixed shell 250 and a connecting shell 260. The fixed shell 250 is rotatably connected to one end of the connecting tube 222. A conveying shell 251 is fixedly connected to the other side of the fixed shell 250. A conveying pipe 252 is fixedly connected to one end of the conveying shell 251. The connecting shell 260 is connected to one side of the conveying pipe 252. The connecting shell 260 is uniformly connected and fixed with multiple water storage shells 261 on its outer side. Multiple elastic tubes 262 are also uniformly connected and fixed to the outer side of the connecting shell 260, with one end of each elastic tube 262 connected and fixed to a water storage tube 263. Multiple atomizing nozzles 264 are connected and fixed to one side of each of the multiple water storage shells 261 and the multiple water storage tubes 263. A rotating block 265 is rotatably connected to one end of each of the multiple water storage tubes 263, and one end of the rotating block 265 is fixedly connected to a corresponding telescopic rod 232. A limiting shell 266 is fixedly connected to one side of each of the multiple water storage shells 261, and a limiting block 267 is slidably connected inside the limiting shell 266. One side of the limiting block 267 is fixedly connected to a corresponding water storage tube 263. (Adjustment assembly) The component includes a second motor 280, one end of which is fixedly connected to an inner sidewall of a circular shell 240. A screw 281 is fixedly connected to the output end of the second motor 280, and a movable plate 282 is screwed onto the outer side of the screw 281. The movable plate 282 is slidably connected to multiple sliding through holes 242, and a movable ring 283 is fixedly connected to the outer side of the movable plate 282. Multiple fixed seats 284 are uniformly fixed to the outer side wall of the movable ring 283, and a connecting rod 285 is rotatably connected inside the fixed seat 284. One end of the connecting rod 285 is rotatably connected to the interior of a corresponding connecting hole 234. The width inside the fixed seat 284 is the same as the thickness of the connecting rod 285, and the thickness of the connecting rod 285 is the same as the width inside the connecting hole 234.

[0039] In this embodiment, by starting the water pump 220, the water inside the water tank 110 is easily transported to the fixed shell 250 via the water pump 220, connecting pipe 1 221, and connecting pipe 222. The water is then easily transported to the connecting shell 260 via the conveying shell 251 and conveying pipe 252, thereby facilitating the transport of water to the water storage shell 1 261, elastic pipe 262, and water storage pipe 263. Multiple atomizing nozzles 264 then spray the water out. Multiple telescopic rods 232 and multiple elastic cloths 233 form a cylindrical shell. By starting the variable frequency fan 241, the air blown by the variable frequency fan 241 agitates and blows the sprayed water mist towards a specific area, facilitating dust suppression spraying. Finally, by starting the motor 280, the water is further agitated... Motor 280 drives screw 281 to rotate, thereby moving moving plate 282, moving ring 283 and multiple fixed seats 284. The moving fixed seats 284 facilitate the movement and deflection of connecting rod 285, thereby pushing multiple telescopic rods 232 to deflect, and causing the multiple telescopic rods 232 to extend or retract. The deflection of the multiple telescopic rods 232 pulls multiple rotating blocks 265 and multiple water storage pipes 263 to move. By adjusting the size of the cylindrical shell end formed by multiple telescopic rods 232 and multiple elastic cloths 233, and by controlling the speed of variable frequency fan 241, it is convenient to adjust the spraying distance and spraying range of spraying mechanism 200, thereby improving the practicality of spraying device used in coal mine mining.

[0040] like Figure 2 As shown, in this embodiment, the rotating assembly includes a motor 270. One end of the motor 270 is fixedly connected to one side of the connecting plate 210. A gear 271 is fixedly connected to the output end of the motor 270. A gear ring 272 meshes with the outer side of the gear 271, and the gear ring 272 is embedded and fixed to the outer wall of the round tube 230.

[0041] In practice, by starting motor 270, the gear 271 is rotated, which in turn causes the round pipe 230, multiple telescopic rods 232 and multiple elastic cloths 233 to rotate, thereby making the water mist at the spraying point more uniform and improving the spraying effect.

[0042] Example 2

[0043] Based on Embodiment 1, in order to adjust the spray angle of the spray mechanism 200.

[0044] like Figure 6As shown, in this embodiment, the adjustment mechanism 300 includes: a support frame 310, a support block 320, a carrier frame 330, and an electric cylinder 340. The bottom of the support frame 310 is fixedly connected to the top of the water tank 110. The support block 320 is rotatably connected to the top of the support frame 310. One end of the carrier frame 330 is fixedly connected to the top of the support block 320. The electric cylinder 340 is located at the bottom of the other end of the carrier frame 330. A connecting block 341 is fixedly connected to one end and the output end of the electric cylinder 340. A connecting seat 342 is rotatably connected to the outside of the connecting block 341, and the two connecting seats 342 are fixedly connected to the bottom of the carrier frame 330 and the top of the water tank 110, respectively.

[0045] In practice, by activating the electric cylinder 340, the output end of the electric cylinder 340 pushes the corresponding connecting block 341 and connecting seat 342 to move, thereby causing the support frame 330 to deflect and the connecting plate 210 to deflect, which facilitates the adjustment of the spray angle of the spraying mechanism 200 and improves the practicality of the spraying device used in the coal mine.

[0046] 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.

[0047] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A coal mine development spraying device, characterized in that, The utility model relates to a kind of water spraying trolley, including: Trolley (100), water tank (110) is fixed on the trolley (100); Spraying mechanism (200) is arranged at the top of the water tank (110); Adjusting mechanism (300) is arranged in the spraying mechanism (200); Spraying mechanism (200) includes: Connecting plate (210); Water pump (220) is fixed to the top of the water tank (110), the water pumping end of the water pump (220) is communicated and fixed with connecting pipe one (221), and the one end of connecting pipe one (221) extends to the bottom of the inside of water tank (110) through the side wall of water tank (110), the water outlet of the water pump (220) is communicated and fixed with connecting pipe two (222), and one end of the water pump (220) is provided with spraying assembly; Round pipe (230) is fixed to the top of one side of the connecting plate (210), a plurality of telescopic rods (232) are uniformly connected to one side of the round pipe (230), and elastic cloth (233) is fixed between the plurality of telescopic rods (232), the one end of the telescopic rod (232) is provided with communication hole (234), the inside of the round pipe (230) is fixed with connecting frame (231), and rotating assembly is arranged in the round pipe (230); Round shell (240) is fixed to the inside of the connecting frame (231), variable frequency fan (241) is fixed to the other end of the round shell (240), a plurality of sliding through holes (242) are uniformly arranged in the other end of the round shell (240), and position adjusting assembly is arranged in the round shell (240); Spraying assembly includes: Fixed shell (250) is rotatably connected to one end of the connecting pipe two (222), the other side of the fixed shell (250) is communicated and fixed with conveying shell (251), and one end of the conveying shell (251) is communicated and fixed with conveying pipe (252); Connecting shell (260) is communicated and fixed with one side of the conveying pipe (252), a plurality of water storage shell one (261) are uniformly communicated and fixed on the outside of the connecting shell (260), a plurality of elastic pipes (262) are uniformly communicated and fixed on the outside of the connecting shell (260), and water storage pipe two (263) is communicated and fixed at one end of the elastic pipe (262), a plurality of atomizing nozzles (264) are communicated and fixed on one side of a plurality of water storage shell one (261) and a plurality of water storage pipe two (263), one end of a plurality of water storage pipe two (263) is rotatably connected with rotating block (265), and one end of the rotating block (265) is fixed with corresponding telescopic rod (232), one side of a plurality of water storage shell one (261) is fixed with limiting shell (266), and limiting block (267) is slidably connected in the inside of the limiting shell (266), one side of the limiting block (267) is fixed with corresponding water storage pipe two (263). The adjusting assembly comprises a second motor (280), one end of the second motor (280) is fixedly connected with an inner side wall of the circular shell (240), an output end of the second motor (280) is fixedly connected with a screw rod (281), the outer side of the screw rod (281) is screw-connected with a moving plate (282), the moving plate (282) is slidingly connected with a plurality of sliding through holes (242), the outer side of the moving plate (282) is fixedly connected with a moving ring (283), the outer side walls of the moving ring (283) are uniformly fixedly connected with a plurality of fixing seats (284), the inner sides of the fixing seats (284) are rotatably connected with connecting rods (285), and one end of each connecting rod (285) is rotatably connected with the corresponding communicating hole (234).

2. The coal mining spraying device according to claim 1, characterized in that, The inner width of the fixing seat (284) is same as the thickness of the connecting rod (285), and the thickness of the connecting rod (285) is same as the inner width of the communicating hole (234).

3. The coal mining spray device of claim 1, wherein, The rotating assembly comprises a first motor (270), one end of the first motor (270) is fixedly connected with one side of the connecting plate (210), an output end of the first motor (270) is fixedly connected with a gear (271), the outer side of the gear (271) is engaged with a tooth ring (272), and the tooth ring (272) is embeddedly fixed with the outer side wall of the circular pipe (230).

4. The coal mining spray device of claim 1, wherein, The adjusting mechanism (300) comprises: a support frame (310) which is fixedly connected with the top of the water tank (110); a support block (320) which is rotatably connected with the top of the support frame (310); a bearing frame (330) which is fixedly connected with the top of the support block (320); an electric cylinder (340) which is arranged at the bottom of the other end of the bearing frame (330), one end and an output end of the electric cylinder (340) are fixedly connected with a connecting block (341), the outer side of the connecting block (341) is rotatably connected with a connecting seat (342), and the two connecting seats (342) are fixedly connected with the bottom of the bearing frame (330) and the top of the water tank (110) respectively.