Mist spraying dust removal equipment for electromechanical fully-mechanized coal mining support of coal mine

By designing a spray dust suppression device for fully mechanized coal mining supports, the problem of insufficient protection for key parts of the supports was solved, achieving all-round dust prevention and stable adaptability of the equipment in complex underground environments, thereby improving the service life of the equipment and production efficiency.

CN224149626UActive Publication Date: 2026-04-21杨先东
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
杨先东
Filing Date
2025-06-17
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing spray dust suppression equipment is difficult to provide precise protection for key parts of fully mechanized mining supports. Coal dust is easily adsorbed, leading to equipment wear. Furthermore, in complex underground environments, it is difficult for the spray device to maintain a horizontal alignment, affecting the stability of the dust suppression effect and the adaptability of the equipment.

Method used

A dust suppression spray device for a fully mechanized coal mining support system was designed, comprising an arc-shaped plate, uprights, a rotating frame, and a connecting pipe. By adjusting the height of the uprights and the position of the rotating frame, the lower connecting pipe is ensured to be horizontally aligned, forming a vertical water mist wall to protect the ground support section of the support system. The upper connecting pipe sprays water to protect the top hydraulic section, achieving all-round dust prevention.

Benefits of technology

It effectively reduces coal dust adsorption, improves the adaptability of equipment in complex underground environments and the stability of dust removal effect, reduces equipment wear, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses coal mine electromechanical fully-mechanized mining support spraying dust removal equipment which comprises an arc-shaped plate, two supporting rods are installed on the outer wall of the arc-shaped plate, a pipe frame is installed on one side of a rotating frame, a lower communicating pipe is erected on the pipe frame, a fixing frame is installed on the arc-shaped plate, and a transverse plate is installed at the top of the fixing frame. An upper communicating pipe is mounted at one end of the transverse plate, and a plurality of spray heads distributed at equal intervals are mounted on the upper communicating pipe and the lower communicating pipe; the nozzles on the bottom lower communicating pipe spray water mist upwards to form a vertical water mist wall, the nozzles on the top upper communicating pipe spray water mist forwards, the vertical rods can slide up and down between the supporting rods, and when a height difference exists on the ground of a mine tunnel, the height of the vertical rods can be flexibly adjusted, so that the lower communicating pipes on all the fully-mechanized coal mining supports are kept in horizontal correspondence. Communication and water supply between the lower communicating pipes are facilitated, the stability and consistency of the spraying dust removal effect are ensured, and the adaptability of equipment in a complex underground environment is improved.
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Description

Technical Field

[0001] This utility model relates to the field of coal mining technology, specifically a spray dust removal device for a fully mechanized coal mining support. Background Technology

[0002] In coal mining operations, fully mechanized mining supports are crucial equipment for ensuring the safety and efficiency of coal mining operations. Their stable operation is of paramount importance. However, the complex underground working environment presents numerous challenges to the maintenance of fully mechanized mining supports. On the one hand, the large amount of coal dust generated during coal mining and tunneling spreads wildly, seriously threatening the normal operation of the equipment. Existing spray dust suppression equipment is unable to provide precise and comprehensive protection for key parts of the fully mechanized mining supports, such as the hydraulic rods of the ground support section and the top hydraulic section. A large amount of coal dust easily adheres to the hydraulic rods. Over time, coal dust particles gradually intrude into the hydraulic expansion gaps, accelerating equipment wear. This not only increases equipment maintenance costs but also frequently leads to downtime for maintenance, greatly affecting the production efficiency of coal mining. At the same time, the underground mine conditions are complex and changeable, with varying ground elevations. Traditional spray dust suppression equipment lacks a flexible adjustment mechanism. When encountering elevation differences in the mine surface, it is difficult to ensure that the spray devices on each fully mechanized mining support remain horizontally aligned. This leads to problems with the connection and water supply between the spray devices, thus failing to guarantee the stability and consistency of the spray dust suppression effect, severely restricting the adaptability of the equipment in complex underground environments.

[0003] Therefore, this utility model provides a spray dust removal device for coal mine electromechanical fully mechanized mining supports. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a spray dust removal device for coal mine electromechanical fully mechanized mining supports, thereby solving the aforementioned problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a spray dust suppression device for a fully mechanized coal mining support, comprising an arc-shaped plate, two support rods mounted on the outer wall of the arc-shaped plate, a vertical rod slidably connected between the two support rods, a rotating frame rotatably connected to one side of the vertical rod, a pipe frame mounted on one side of the rotating frame, a lower connecting pipe mounted on the pipe frame, a fixing frame mounted on the arc-shaped plate, a horizontal plate mounted on the top of the fixing frame, an upper connecting pipe mounted at one end of the horizontal plate, and several equally spaced nozzles mounted on both the upper and lower connecting pipes.

[0006] Preferably, an inner support ring is installed at the outer end of the rotating frame, and an outer support ring corresponding to the inner support ring is installed on one side of the upright. A threaded post is slidably connected between the inner support ring and the outer support ring, and the threaded post is threadedly connected to one side of the upright.

[0007] Preferably, a connecting plate is provided on one side of the arc-shaped plate, and a connecting rod is rotatably connected to the connecting plate, with one end of the connecting rod threadedly connected to the arc-shaped plate.

[0008] Preferably, the lower connecting pipes are connected by connecting sleeves, and the lower connecting pipes and the upper connecting pipes are connected by flexible hoses.

[0009] Preferably, each of the uprights is threaded with a push rod, one end of which corresponds to the upright.

[0010] Beneficial effects

[0011] Compared with the prior art, the present invention has the following advantages:

[0012] This utility model features nozzles on the bottom connecting pipe that spray water mist upwards, forming a vertical water mist wall. During coal mining and tunneling operations, this effectively reduces coal dust adhering to the hydraulic rods of the ground support section of the support. The nozzles on the top connecting pipe spray forward, protecting the hydraulic section at the top of the support and providing comprehensive protection for critical parts of the equipment.

[0013] The uprights of this utility model can slide up and down between the support rods. When there is a height difference on the mine road surface, the height of the uprights can be flexibly adjusted so that the lower connecting pipes on each fully mechanized mining support remain horizontally aligned. This facilitates the connection and water supply between the lower connecting pipes, ensures the stability and consistency of the spray dust suppression effect, and improves the adaptability of the equipment in complex underground environments. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0015] Figure 2 This is a three-dimensional structural diagram of the arc-shaped plate in this utility model;

[0016] Figure 3 This is a schematic diagram of the movement of the lower connecting tube in this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the support rod in this utility model.

[0018] In the diagram: 1. Arc plate; 11. Connecting plate; 12. Connecting rod; 2. Support rod; 21. Vertical pole; 211. Push rod; 22. Rotating frame; 23. Inner support ring; 24. Outer support ring; 241. Threaded column; 25. Pipe rack; 26. Lower connecting pipe; 261. Connecting sleeve; 3. Fixing frame; 31. Horizontal plate; 32. Upper connecting pipe; 33. Flexible hose; 4. Nozzle. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-4 A dust suppression spray device for a fully mechanized coal mining support includes an arc-shaped plate 1. Two support rods 2 are installed on the outer wall of the arc-shaped plate 1. A vertical rod 21 is slidably connected between the two support rods 2. A rotating frame 22 is rotatably connected to one side of the vertical rod 21. A pipe frame 25 is installed on one side of the rotating frame 22. A lower connecting pipe 26 is mounted on the pipe frame 25.

[0021] A fixing frame 3 is installed on the arc plate 1, and a horizontal plate 31 is installed on the top of the fixing frame 3. An upper connecting pipe 32 is installed at one end of the horizontal plate 31.

[0022] It should be noted that the horizontal plate 31 described in this embodiment corresponds to the top of the hydraulic support for integrated mechanized coal mining, and the upper connecting pipe 32 is located below the top hydraulic rod.

[0023] Several equally spaced nozzles 4 are installed on both the upper connecting pipe 32 and the lower connecting pipe 26.

[0024] It should be noted that, in this embodiment, the nozzle 4 on the lower connecting pipe 26 faces upward, and the nozzle 4 on the upper connecting pipe 32 faces forward.

[0025] Specifically, the arc-shaped plate 1 serves as the carrier of the supporting device. During use, the arc-shaped plate 1 is fixed to the bottom of the integrated mechanized coal mining hydraulic support, positioning it below the vertical hydraulic support. At this time, the support rod 2 installed on the outer side of the arc-shaped plate 1 allows the vertical rod 21 to be installed. The vertical rod 21 slides between two symmetrical support rods 2, allowing the rotating frame 22, rotatably connected to one side of the vertical rod 21, to support the pipe rack 25. The pipe rack 25 then supports the lower connecting pipe 26. During use, the device can be rotated to adjust the lower connecting pipe 26 to a horizontal position, facilitating communication between the various lower connecting pipes 26. The connection is made so that, since the height of the arc plate 1 and the support rod 2 is fixed, the vertical rod 21 can slide up and down between the support rod 2, allowing the height of the vertical rod 21 to be adjusted. This allows the rotating frame 22, pipe frame 25, and lower connecting pipe 26 installed on one side of the vertical rod 21 to be adjusted synchronously. When the hydraulic support for mechanized coal mining is supported in the mine tunnel, and there are height differences on the ground, the lower connecting pipes 26 supported by the arc plates 1 installed on each hydraulic support can be horizontally aligned by adjusting the vertical rod 21, facilitating communication between the lower connecting pipes 26. After the lower connecting pipe 26 is connected to the water supply equipment, it can be positioned at the front of the ground support section of the integrated mechanized coal mining hydraulic support. This allows the nozzles 4 installed on the lower connecting pipe 26 to spray water mist. During coal mining operations below the integrated mechanized coal mining hydraulic support, the vertical water mist helps reduce coal dust adhering to the hydraulic rods of the support, preventing large amounts of dust particles from entering the hydraulic expansion gaps. This reduces wear and tear on the equipment, improving its service life and performance. Simultaneously, after the fixing frame 3 is supported on the arc plate 1, it can connect to the upper connecting pipe 3 via the horizontal plate 31. 2. Support is provided so that the upper connecting pipe 32 is positioned below the top of the fully mechanized coal mining hydraulic support. After the nozzle 4 on the upper connecting pipe 32 sprays water, the sprayed water mist is positioned below the hydraulic rod at the top of the fully mechanized coal mining support, protecting the top hydraulic section of the fully mechanized coal mining support. This ensures the dustproof effect of the fully mechanized coal mining support. At the same time, it allows the lower connecting pipe 26 to be mounted on the arc plate 1, facilitating connection. During the transfer of the fully mechanized coal mining support, the rotating frame 22 can be rotated, allowing the lower connecting pipe 26 to be vertically stored on one side of the fully mechanized coal mining support, facilitating its synchronous transfer with the fully mechanized coal mining support, which is beneficial to coal mining operations.

[0026] In one embodiment of this utility model, such as Figures 1-4 As shown, an inner support ring 23 is installed at the outer end of the rotating frame 22, and an outer support ring 24 corresponding to the inner support ring 23 is installed on one side of the upright 21. A threaded column 241 is slidably connected between the inner support ring 23 and the outer support ring 24, and the threaded column 241 is threadedly connected to one side of the upright 21.

[0027] It should be noted that the upright 21 described in this embodiment has a threaded groove that matches the outer support ring 24. One end of the outer support ring 24 protrudes and fits against the inner support ring 23 and the outer support ring 24.

[0028] Specifically, the inner support ring 23 can rotate synchronously with the upright 21 to facilitate the adjustment of the lower connecting pipe 26. After the lower connecting pipe 26 is horizontally erected, it can slide between the inner support ring 23 and the outer support ring 24 through the threaded column 241. The threaded column 241 is rotated and threadedly connected to the upright 21, so that one end of the outer support ring 24 protrudes and presses on the inner support ring 23 and the outer support ring 24, thereby allowing the inner support ring 23 to be subjected to greater friction, thus positioning the rotating frame 22.

[0029] In one embodiment of this utility model, such as Figures 1-4 As shown, a connecting plate 11 is provided on one side of the arc plate 1, and a connecting rod 12 is rotatably connected to the connecting plate 11. One end of the connecting rod 12 is threadedly connected to the arc plate 1.

[0030] It should be noted that the connecting plate 11 described in this embodiment is supported on the outer wall of the fully mechanized mining support, and the connecting rod 12 corresponds to both ends of the arc plate 1.

[0031] Specifically, the connecting rod 12, which is rotatably connected to the connecting plate 11, can be threaded to both ends of the arc plate 1, so that the arc plate 1, the connecting plate 11 and the connecting rod 12 can be supported and bound to the outer wall of the fully mechanized mining support, thereby fixing the arc plate 1 at a high height and ensuring its stability on the fully mechanized mining support.

[0032] In one embodiment of this utility model, such as Figures 1-4 As shown, several lower connecting pipes 26 are connected by connecting sleeves 261, and the lower connecting pipes 26 and the upper connecting pipes 32 are connected by flexible hoses 33.

[0033] It should be noted that the connecting sleeve 261 described in this embodiment is used to connect adjacent lower connecting pipes 26, so that the lower connecting pipes 26 can communicate with each other.

[0034] Specifically, the connecting sleeve 261 is used to connect adjacent lower connecting pipes 26, so that the lower connecting pipes 26 can communicate with each other, and water can flow between the lower connecting pipes 26, so that the nozzles 4 form a water mist wall to block and remove coal dust. The upper connecting pipe 32 is connected to the lower connecting pipe 26 through the hose 33, so that the nozzles 4 installed on the upper connecting pipe 32 can spray water mist.

[0035] In one embodiment of this utility model, such as Figures 1-4 As shown, each upright 21 is threaded with a push rod 211, one end of which corresponds to the upright 21.

[0036] It should be noted that the upright 21 described in this embodiment has a threaded hole that matches the push rod 211, and the threaded hole corresponds to the upright 21.

[0037] Specifically, by rotating the push rod 211, one end of the push rod 211 can be pressed and supported on both sides of the upright 21, and can cooperate with the rubber pads installed on the upright 21 to increase friction, so that the upright 21 can be supported and fixed by the push rod 211 after the height is adjusted.

[0038] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0039] Working principle: The arc-shaped plate 1 is fixed to the bottom of the integrated mechanized coal mining hydraulic support by the connecting plate 11 and the connecting rod 12, ensuring that the arc-shaped plate 1 is in a suitable position under the support. The connecting rod 12 is tightened to ensure stable installation. According to actual needs, the height of the upright 21 is adjusted by sliding between the two support rods 2 to initially determine the horizontal position of the lower connecting pipe 26. Then, the rotating frame 22 is rotated to make the lower connecting pipe 26 horizontal. Next, the threaded column 241 is slid between the inner support ring 23 and the outer support ring 24, and the threaded connection is rotated to the upright 21 to fix the position of the rotating frame 22. Several lower connecting pipes 26 are connected by connecting sleeves 261, and then the lower connecting pipes 26 are connected to the upper connecting pipe 32 by the hose 33. Finally, the connection is made... Connect the water supply equipment to complete the installation of the entire spray dust suppression equipment. During the commissioning phase: turn on the water supply equipment, check the spraying effect of each nozzle 4, and check for blockages, uneven spraying, or other problems to ensure all components of the equipment are operating well. During the operation phase: during coal mining and tunneling operations, the equipment operates automatically, with the nozzles 4 on the lower connecting pipe 26 and upper connecting pipe 32 continuously spraying to form a water mist wall, providing dust protection for key parts of the fully mechanized mining support and reducing the generation and spread of coal dust. During the maintenance and storage phase: regularly inspect all components of the equipment, clean impurities and dirt from the nozzles 4, and check for leaks in the water pipes and loose connections. When it is necessary to move the fully mechanized mining support, rotate the rotating frame 22 to vertically store the lower connecting pipe 26 on one side of the support, facilitating the overall transport of the equipment.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal mine electromechanical fully mechanized support spraying dust removal equipment, comprising an arc-shaped plate (1), characterized in that, Two support rods (2) are installed on the outer wall of the arc-shaped plate (1). A vertical rod (21) is slidably connected between the two support rods (2). A rotating frame (22) is rotatably connected to one side of the vertical rod (21). A pipe rack (25) is installed on one side of the rotating frame (22). A lower connecting pipe (26) is mounted on the pipe rack (25). A fixing frame (3) is installed on the arc plate (1), and a horizontal plate (31) is installed on the top of the fixing frame (3). An upper connecting pipe (32) is installed at one end of the horizontal plate (31). Both the upper connecting pipe (32) and the lower connecting pipe (26) are equipped with a number of equally spaced nozzles (4).

2. The coal mine electromechanical fully mechanized support spraying dust removal equipment according to claim 1, characterized in that, An inner support ring (23) is installed at the outer end of the rotating frame (22), and an outer support ring (24) corresponding to the inner support ring (23) is installed on one side of the upright (21). A threaded column (241) is slidably connected between the inner support ring (23) and the outer support ring (24), and the threaded column (241) is threadedly connected to one side of the upright (21).

3. The coal mine electromechanical fully mechanized support spraying dust removal equipment according to claim 1, characterized in that, A connecting plate (11) is provided on one side of the arc plate (1), and a connecting rod (12) is rotatably connected to the connecting plate (11). One end of the connecting rod (12) is threadedly connected to the arc plate (1).

4. The coal mine electromechanical fully mechanized support spraying dust removal equipment according to claim 1, characterized in that, The lower connecting pipes (26) are connected by connecting sleeves (261), and the lower connecting pipes (26) and the upper connecting pipes (32) are connected by hoses (33).

5. A spray dust suppression device for a fully mechanized coal mining support according to claim 1, characterized in that, Each upright (21) is threaded with a push rod (211), one end of which corresponds to the upright (21).