Dust fall spraying device for coal mining

Abstract

The utility model relates to the technical field of spraying devices, and discloses a dust fall spraying device for coal mining, which comprises a moving bin, a spraying muzzle is arranged in the moving bin, a PLC (programmable logic controller) is fixedly mounted on one side of the moving bin, and the dust fall spraying device further comprises a moving component for moving the spraying muzzle. The moving assembly is arranged in the moving bin, and the moving bin, a spraying muzzle, a first supporting plate, a threaded hole, a threaded column, a supporting hole and a first driving motor which are arranged are used in cooperation, so that the effect of spraying and dust falling in the coal mine can be achieved; the spraying gun muzzle is arranged in the moving bin, so that the moving bin and the spraying gun muzzle are low in height and gravity center and can pass through or enter some narrow places, meanwhile, the spraying nozzle is low, sprayed water mist can be filled in air, the height of the spraying gun muzzle can be adjusted, and the spraying gun muzzle can rotate to guarantee the dust falling effect; the use is convenient, and the practicability is high.

Description

Technical Field

[0001] This utility model relates to the field of spray device technology, and in particular to a dust suppression spray device for coal mining. Background Technology

[0002] In the coal mining process, dust suppression spraying devices can be used to reduce dust pollution. These devices use water mist or chemical agents to humidify and suppress dust in the coal mining area, thereby reducing the amount of dust emitted. The main principle of dust suppression spraying devices is to use water mist or chemical agents to react with dust particles in the air, causing the dust to be humidified and settle, reducing the time it remains suspended in the air and the range of its diffusion. Dust suppression spraying devices can effectively reduce the amount of dust emitted during the coal mining process, improve the working environment, and protect the health of workers.

[0003] An existing dust suppression spray device for coal mining (Announcement No.: CN221400633U) has at least the following drawbacks:

[0004] In the aforementioned patent, the user can move the spray nozzle by pushing the chassis assembly and using the casters. However, when carrying out dust suppression operations inside a coal mine, the ground inside the mine is uneven, and the spray nozzle and chassis body are relatively high, resulting in a high center of gravity and easy swaying. At the same time, the high spray nozzle and chassis body are not easy to pass through some places with limited overhead space, which affects the dust suppression work and has certain limitations. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a dust suppression spray device for coal mining.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A dust suppression spraying device for coal mining includes a mobile chamber with spray nozzles inside. A PLC controller is fixedly installed on one side of the mobile chamber. It also includes a moving component for moving the spray nozzles, the moving component being disposed inside the mobile chamber. The moving component includes a first support plate disposed inside the mobile chamber, with a plurality of threaded holes on its top surface. Threaded posts are threaded to the inner circular walls of the threaded holes. A plurality of support holes are formed on the bottom surface of the mobile chamber, the support holes being connected to the threaded posts. The movable compartment has a movable sleeve. Several first drive motors are fixedly installed on the bottom surface of the movable compartment. The first drive motors are electrically connected to the PLC controller. The top surface of the drive shaft of the first drive motor is fixedly installed to the threaded column. A fixing plate is fixedly installed on one side of the movable compartment. A fixing tube is fixedly installed on the bottom surface of the fixing plate. A bearing is fixedly sleeved on the inner circular wall of the fixing tube. A connecting column is fixedly sleeved on the inner circular wall of the bearing. A wheel frame is fixedly installed on the bottom surface of the connecting column. A push handle is fixedly installed on one side of the wheel frame. Rotating wheels are fixedly installed on both sides of the movable compartment.

[0008] As a further embodiment of this utility model, the top surface of the first support plate is provided with a first circular through hole, and a rotating disk is movably sleeved on the inner circular wall of the first circular through hole. The rotating disk is fixedly installed with the spray nozzle. A second drive motor is fixedly installed on the bottom surface of the first support plate. The second drive motor is electrically connected to the PLC controller. The bottom surface of the movable compartment is provided with a fixing hole, and the fixing hole is movably sleeved with the second drive motor.

[0009] As a further embodiment of this utility model, a protective bottom compartment is fixedly installed on the bottom surface of the mobile compartment.

[0010] As a further embodiment of this utility model,

[0011] The mobile compartment has a water storage tank and a booster pump fixedly installed on its internal bottom surface. The booster pump is electrically connected to the PLC controller.

[0012] As a further embodiment of this utility model, a second support plate is fixedly installed on both sides of the interior of the mobile compartment, and the second support plate is movably sleeved with the threaded column.

[0013] As a further embodiment of this invention, grease is applied between the first support plate and the rotating disk.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] By using the coordinated operation of the movable chamber, spray nozzle, first support plate, threaded hole, threaded column, support hole, and first drive motor, the dust suppression effect of spraying inside the coal mine can be achieved. The spray nozzle is located inside the movable chamber, which keeps the height of the movable chamber and the spray nozzle low, as well as the center of gravity, allowing it to pass through or enter some narrow spaces. At the same time, the low spray nozzle allows the sprayed water mist to fill the air, and the height of the spray nozzle can be adjusted to rotate and ensure the dust suppression effect. It is convenient to use and quite practical. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a dust suppression spray device for coal mining proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the mobile chamber structure of a dust suppression spray device for coal mining proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the spray nozzle structure of a dust suppression spray device for coal mining proposed in this utility model;

[0019] Figure 4 for Figure 3 A partial structural diagram of A in the middle;

[0020] Figure 5 This is a schematic diagram of the booster pump structure of a dust suppression spray device for coal mining proposed in this utility model.

[0021] In the diagram: 1. Mobile compartment; 2. Spray nozzle; 3. First support plate; 4. Threaded hole; 5. Threaded post; 6. Support hole; 7. First drive motor; 8. Rotating disk; 9. Second drive motor; 10. Fixing hole; 11. Fixing pipe; 12. Bearing; 13. Wheel frame; 14. Push handle; 15. Rotating wheel; 16. Protective base compartment; 17. Water storage compartment; 18. Second support plate; 19. Connecting post; 20. Booster pump; 21. Fixing plate. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Reference Figures 1-5 A dust suppression spraying device for coal mining includes a mobile chamber 1, with spray nozzles 2 inside the mobile chamber 1. A PLC controller is fixedly installed on one side of the mobile chamber 1. It also includes a moving assembly for moving the spray nozzles 2, located inside the mobile chamber 1. The moving assembly includes a first support plate 3, which is located inside the mobile chamber 1. The top surface of the first support plate 3 has several threaded holes 4, and the inner circular wall of the threaded holes 4 is threaded with threaded posts 5. The bottom surface of the mobile chamber 1 has several support holes 6, which are movably connected to the threaded posts 5. Several first drive motors 7 are fixedly installed on the bottom surface of the mobile compartment 1. The first drive motors 7 are electrically connected to the PLC controller. The top surface of the drive shaft of the first drive motor 7 is fixedly installed with the threaded post 5. A fixed plate 21 is fixedly installed on one side of the mobile compartment 1. A fixed pipe 11 is fixedly installed on the bottom surface of the fixed plate 21. A bearing 12 is fixedly sleeved on the inner circular wall of the fixed pipe 11. A connecting post 19 is fixedly sleeved on the inner circular wall of the bearing 12. A wheel frame 13 is fixedly installed on the bottom surface of the connecting post 19. A push handle 14 is fixedly installed on one side of the wheel frame 13. Rotating wheels 15 are fixedly installed on both sides of the mobile compartment 1.

[0026] In this embodiment, a first circular through hole is provided on the top surface of the first support plate 3, and a rotating disk 8 is movably sleeved on the inner circular wall of the first circular through hole. The rotating disk 8 is fixedly installed with the spray nozzle 2. A second drive motor 9 is fixedly installed on the bottom surface of the first support plate 3. The second drive motor 9 is electrically connected to the PLC controller. A fixing hole 10 is provided on the bottom surface of the mobile chamber 1. The fixing hole 10 is movably sleeved with the second drive motor 9. A protective bottom chamber 16 is fixedly installed on the bottom surface of the mobile chamber 1. A water storage chamber 17 and a booster water pump 20 are fixedly installed on the bottom surface inside the mobile chamber 1. The booster water pump 20 is electrically connected to the PLC controller. A second support plate 18 is fixedly installed on both sides inside the mobile chamber 1. The second support plate 18 is movably sleeved with the threaded column 5. Lubricating grease is applied between the first support plate 3 and the rotating disk 8.

[0027] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: During production, the water storage tank 17 is connected to the booster pump 20 via a pipe, and the booster pump 20 is connected to the spray nozzle 2 via a connecting pipe. When dust suppression is required during mining operations, the user manually pushes the handle 14 to move the mobile chamber 1 by pushing the wheels on both sides of the wheel frame 13 and the rotating wheels 15. Furthermore, the wheel frame 13 can be rotated via the bearing 12, the fixed pipe 11, and the fixed plate 21. Pushing the handle 14 rotates the wheel frame 13, allowing the mobile chamber 1 to turn. When the mobile chamber 1 moves inside the coal mine, the spray nozzle 2, the second drive motor 9, and the first drive motor 7 are all located on the bottom surface of the mobile chamber 1, resulting in a low center of gravity and more stable movement, preventing significant swaying. After the mobile chamber 1 is pushed into the mine, the PLC controller is powered separately via an electrical wire, activating the spray nozzle 2 and the booster water pump 20 to draw water from the spray nozzle 2. Water is supplied for dust suppression. Furthermore, if the coal mine has a high internal height, the spray nozzle 2 can be rotated to widen the spray range. At this time, the first drive motor 7 is activated to drive the threaded column 5 to rotate, converting the rotational motion of the threaded column 5 and the threaded hole 4 into linear motion. This causes the first support plate 3 to move upwards, moving the spray nozzle 2 to the top surface of the moving chamber 1. Then, the second drive motor 9 is activated to drive the rotating disk 8 to rotate the spray nozzle 2. Lubricant is applied between the first support plate 3 and the rotating disk 8 to ensure smoother rotation of the rotating disk 8. This allows the spray nozzle 2 to rotate while spraying and reducing dust. The principle of dust suppression is the same as in the reference document and is existing technology, so it will not be elaborated further. This achieves the effect of spraying and reducing dust inside the coal mine. The spray nozzle 2 is located inside the mobile chamber 1, which keeps the height of the mobile chamber 1 and the spray nozzle 2 low and the center of gravity low, allowing it to pass through or enter some narrow spaces. At the same time, the low spray nozzle allows the sprayed water mist to fill the air, and the height of the spray nozzle 2 can be adjusted to rotate and ensure the dust suppression effect. This makes it convenient to use and quite practical.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A coal mine dust fall spraying device for mining, comprising a mobile bin (1), a spraying nozzle (2) is arranged in the inside of the mobile bin (1), and a PLC controller is fixedly installed on one side of the mobile bin (1), characterized in that, Also include a moving assembly for moving the spray cannon mouth (2), the moving assembly is arranged in the inside of the moving warehouse (1), the moving assembly includes: a first support plate (3), the first support plate (3) is arranged in the inside of the moving warehouse (1), the top surface of the first support plate (3) is provided with a plurality of threaded holes (4), the inner circular wall surface of the threaded hole (4) is connected with a threaded column (5), the bottom surface of the moving warehouse (1) is provided with a plurality of support holes (6), the support hole (6) is movably connected with the threaded column (5), a plurality of first drive motors (7) are fixedly installed on the bottom surface of the moving warehouse (1), the first drive motor (7) is electrically connected with the PLC controller, the driving shaft of the first drive motor (7) is fixedly installed with the threaded column (5), a fixed plate (21) is fixedly installed on one side of the moving warehouse (1), a fixed tube (11) is fixedly installed on the bottom surface of the fixed plate (21), a bearing (12) is fixedly sleeved on the inner circular wall surface of the fixed tube (11), a connecting column (19) is fixedly sleeved on the inner circular wall surface of the bearing (12), a wheel frame (13) is fixedly installed on the bottom surface of the connecting column (19), a push handle (14) is fixedly installed on one side of the wheel frame (13), rotating wheels (15) are fixedly installed on both sides of the moving warehouse (1).

2. The coal mine dust fall spraying device according to claim 1, characterized in that, The top surface of the first support plate (3) is provided with a first circular through hole, the inner circular wall surface of the first circular through hole is movably sleeved with a rotating disc (8), the rotating disc (8) is fixedly installed with the spray cannon mouth (2), a second drive motor (9) is fixedly installed on the bottom surface of the first support plate (3), the second drive motor (9) is electrically connected with the PLC controller, a fixed hole (10) is formed in the bottom surface of the moving warehouse (1), and the fixed hole (10) is movably sleeved with the second drive motor (9).

3. The coal mine dust fall spraying device according to claim 1, characterized in that, The bottom surface of the moving warehouse (1) is fixedly installed with a protective bottom warehouse (16).

4. The coal mine dust suppression spraying device according to claim 1, characterized in that, The inside bottom surface of the moving warehouse (1) is fixedly installed with a water storage warehouse (17) and a booster water pump (20), and the booster water pump (20) is electrically connected with the PLC controller.

5. The coal mine dust suppression spraying device according to claim 1, characterized in that, Second support plates (18) are fixedly installed on both sides of the inside of the moving warehouse (1), and the second support plates (18) are movably sleeved with the threaded columns (5).

6. The coal mine dust suppression spraying device according to claim 2, characterized in that, Lubricating grease is coated between the first support plate (3) and the rotating disc (8).

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