Self-moving type spraying dust-settling system for fully mechanized coal mining face of coal mine

Abstract

The utility model discloses a coal mine fully mechanized coal mining face self-moving type spraying dust suppression system which comprises a conveying belt driven by a speed reducer and an installation frame arranged on the conveying belt in a crossing mode and further comprises a dust cover hung on the installation frame through a sliding rail, and the dust cover is controlled by a linkage piece to move in a reciprocating mode above the conveying belt in the conveying direction of the conveying belt. A spray pipe is arranged in the middle of one side of the dust cover in a penetrating mode, and dust baffles are hinged to the two sides of the dust cover through torsional springs; the coal briquette spraying device has the beneficial effects that by arranging the dustproof cover capable of moving in a reciprocating mode and the spraying pipe, following type dust isolation and spraying work can be conducted on coal briquettes on the conveying belt, so that large-range drifting of dust emitted by the coal briquettes is avoided, and interference of the dust to the working environment is reduced; and meanwhile, the dust baffles on the two sides of the dust cover can be bent inwards when making contact with the push rod, the two sides of the dust cover are cleaned, the inner walls of the dust baffles are washed through the spraying pipes, and the cleaning effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of dust suppression technology in fully mechanized coal mining, and in particular to a self-moving spray dust suppression system for fully mechanized coal mining faces. Background Technology

[0002] The longwall mining face in a coal mine is the workplace for fully mechanized coal mining, a comprehensive working area integrating multiple processes such as coal mining, loading, transportation, support, and goaf treatment. Self-propelled spray dust suppression systems are mainly used to reduce dust concentration in the working area, decrease the dust content in the air, and improve the working environment.

[0003] However, existing spray dust suppression systems have shortcomings. In the coal transportation process, dust covers are used to isolate dust and prevent it from drifting and affecting the surrounding working environment. However, after long-term use, a large amount of impurities will remain on the surface of the dust covers. If they are not cleaned in time, the dust-blocking effect of the dust covers will be reduced, and even the service life of the dust baffles will be shortened. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems of the above-mentioned self-moving spray dust suppression system for fully mechanized coal mining faces, this utility model is proposed.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a self-moving spray dust suppression system for fully mechanized coal mining faces, including a conveyor belt and an installation frame straddling the conveyor belt;

[0007] It also includes a dust cover that is suspended on the mounting frame by a slide rail, and the dust cover is controlled by a linkage to move back and forth above the conveyor belt along the transport direction of the conveyor belt. A spray pipe is installed in the center of one side of the dust cover.

[0008] Both sides of the dust cover are hinged with dust baffles by torsion springs. The two dust baffles rotate in opposite directions under the control of the torsion springs, and the gap between the two sides of the dust baffles and the inner wall of the dust cover is 1-3mm.

[0009] It also includes two push rods symmetrically arranged on the mounting bracket. When the dust cover moves to the vicinity of the push rods, the push rods abut against the dust baffle and bend it inward, and the spray water from the spray pipe washes the inner wall of the dust baffle.

[0010] As a preferred embodiment of the self-moving spray dust suppression system for fully mechanized coal mining faces described in this utility model, the push rod is in the shape of a "J", and its bent part is aligned with the dust baffle plate.

[0011] As a preferred embodiment of the self-moving spray dust suppression system for fully mechanized coal mining faces described in this utility model, at least one limiting plate is provided on both sides of the dust cover, and the limiting plate abuts against the outer wall of the dust baffle.

[0012] As a preferred embodiment of the self-moving spray dust suppression system for fully mechanized coal mining faces described in this utility model, the linkage component includes a reciprocating screw and a slider. The reciprocating screw is rotatably mounted on the mounting frame, and the slider is threaded onto the reciprocating screw with one end connected to the dust cover.

[0013] As a preferred embodiment of the self-moving spray dust suppression system for fully mechanized coal mining faces described in this utility model, the linkage further includes a drive shaft, a gear set, and a synchronous pulley set. The drive shaft rotates through the mounting frame, and the drive shaft is driven by the gear set to drive the reciprocating screw. The drive shaft is also driven by the synchronous pulley set to drive the transmission belt.

[0014] As a preferred embodiment of the self-moving spray dust suppression system for fully mechanized coal mining faces described in this utility model, the bottom of the spray pipe is provided with at least three atomizing nozzles, and the atomizing nozzles are arranged at equal intervals.

[0015] The beneficial effects of this utility model are:

[0016] (1) This application can perform dust isolation and spraying work on coal blocks on the conveyor belt by setting a reciprocating dust cover and spray pipe, thereby avoiding the large-scale drift of dust emitted by coal blocks and reducing the interference of dust on the working environment; at the same time, the dust baffles on both sides of the dust cover can bend inward when they contact the push rod to clean both sides of the dust cover, and the spray pipe washes the inner wall of the dust baffle to improve the cleaning effect.

[0017] (2) The linkage component set in this application enables the conveyor belt to drive the dust cover and spray pipe to move back and forth during operation, thereby achieving the effect of self-movement, improving the overall dust suppression effect of spraying, and reducing energy consumption. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the external structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the exploded installation structure of the dust cover and spray pipe in this utility model.

[0021] Figure 3 This is a schematic diagram of the back structure of this utility model.

[0022] Figure 4 This is a schematic diagram of the relevant structure of the linkage component in this utility model;

[0023] Figure 5 This is a partial structural diagram of the linkage component in this utility model.

[0024] Attached Figure Descriptions: 1. Conveyor Belt; 2. Mounting Frame; 3. Dust Cover; 4. Spray Pipe; 5. Slide Rail; 6. Dust Baffle; 7. Push Rod; 8. Linkage Component; 81. Reciprocating Screw; 82. Slider; 83. Drive Shaft; 84. Gear Set; 85. Synchronous Gear Set; 9. Limit Plate. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0029] Reference Figures 1-3As an embodiment of the present invention, a self-moving spray dust suppression system for a fully mechanized coal mining face is provided, which includes a conveyor belt 1 driven by a speed reducer and a mounting frame 2 spanning the conveyor belt 1.

[0030] It also includes a dust cover 3 that is suspended on the mounting frame 2 via a slide rail 5. The dust cover 3 is controlled by a linkage 8 to move back and forth above the conveyor belt 1 along the transport direction of the conveyor belt 1. A spray pipe 4 is installed in the center of one side of the dust cover 3. The spray pipe 4 is connected to a water pump via a hose. At least three atomizing nozzles are provided at the bottom of the spray pipe 4. The atomizing nozzles are evenly distributed. The multiple atomizing nozzles evenly distributed can make the spraying more uniform.

[0031] Dust baffles 6 are hinged to both sides of the dust cover 3 by torsion springs. The two dust baffles 6 rotate in opposite directions under the control of the torsion springs, and the gap between the two sides of the dust baffles 6 and the inner wall of the dust cover 3 is 1-3mm. As the dust baffles 6 rotate inward, they will wipe the inner wall of the dust cover 3 to remove impurities from its surface. At least one limiting plate 9 is provided on both sides of the dust cover 3. The limiting plate 9 abuts against the outer wall of the dust baffles 6 to prevent the dust baffles 6 from moving away from the dust cover 3 under the force of the torsion springs.

[0032] It also includes two push rods 7 symmetrically arranged on the mounting bracket 2. The push rods 7 are in the shape of "J" and their bent parts are aligned with the dust baffle 6. When the dust cover 3 moves to the vicinity of the push rods 7, the push rods 7 press against the dust baffle 6 and bend it inward, and the spray water from the spray pipe 4 washes the inner wall of the dust baffle 6.

[0033] like Figures 4-5 As shown, the linkage 8 includes a reciprocating lead screw 81 and a slider 82. The reciprocating lead screw 81 is rotatably mounted on the mounting frame 2, and the slider 82 is threaded onto the reciprocating lead screw 81 with one end connected to the dust cover 3. The linkage 8 also includes a drive shaft 83, a gear set 84, and a synchronous pulley set 85. The drive shaft 83 rotatably passes through the mounting frame 2. The drive shaft 83 and the reciprocating lead screw 81 are driven by the gear set 84. The gear set 84 can be a meshing bevel gear or a bevel sprocket. The drive shaft 83 and the transmission belt 1 are driven by the synchronous pulley set 85. The synchronous pulley set 85 can be a synchronous pulley or a sprocket, used in conjunction with a toothed synchronous belt or chain. The synchronous pulley set 85 is coaxially connected to the reducer on the transmission belt 1. When the reducer drives the transmission belt 1, it also drives the linkage 8. In addition, when installing the linkage 8, attention should be paid to the transmission ratio of the gear set 84 and the synchronous pulley set 85 to ensure that the moving speed of the dust cover 3 and the transmission belt 1 are close.

[0034] Working principle: In the initial state, the dust cover 3 is located at the feeding position of the conveyor belt 1. During use, the operator moves and piles the coal blocks on the feeding side of the conveyor belt 1. At this time, the dust cover 3 and the spray pipe 4 spray dust to isolate the coal blocks. After the feeding is completed, the operator starts the reducer, and the conveyor belt 1 starts to work, driving the coal blocks to move. At this time, the dust cover 3 moves synchronously with the conveyor belt 1 to continuously reduce dust on the coal blocks. When the coal blocks move outside the conveyor belt 1, the dust baffle 6 on one side of the dust cover 3 bends inward after hitting the push rod 7. At the same time, its two sides wipe the inner wall of the dust cover 3. Then the spray pipe 4 washes the bent dust baffle 6 to remove the dust.

[0035] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A self-moving spray dust-settling system for a fully-mechanized coal mining face, characterized in that, The utility model relates to a dustproof device for conveying belt, comprising a conveying belt (1) and a mounting frame (2) arranged on the conveying belt (1). The dustproof device further comprises a dustproof cover (3) hung on the mounting frame (2) through a slide rail (5), and the dustproof cover (3) is controlled to reciprocate along the conveying direction of the conveying belt (1) above the conveying belt (1) through a linkage (8), and a spray pipe (4) is arranged in the middle of one side of the dustproof cover (3). Both sides of the dustproof cover (3) are hinged with dustproof plates (6) through torsion springs, the two dustproof plates (6) are controlled to rotate oppositely by the torsion springs, and the gap between the two sides of the dustproof plate (6) and the inner wall of the dustproof cover (3) is 1-3mm. The dustproof device further comprises two push rods (7) symmetrically arranged on the mounting frame (2), when the dustproof cover (3) moves to the vicinity of the push rod (7), the push rod (7) is abutted against the dustproof plate (6) to make it bend inward, and the inner wall of the dustproof plate (6) is washed by the spray water of the spray pipe (4).

2. The self-moving spray dust-settling system for fully-mechanized coal mining face according to claim 1, characterized in that: The push rod (7) is in the shape of "J", and the bent part of the push rod (7) is aligned with the dustproof plate (6).

3. The self-moving spray dust-settling system for fully-mechanized coal mining face according to claim 2, characterized in that: At least one limiting plate (9) is arranged on both sides of the dustproof cover (3), and the limiting plate (9) is abutted against the outer wall of the dustproof plate (6).

4. The self-moving spray dust-settling system for fully-mechanized coal mining face according to claim 3, characterized in that: The linkage (8) comprises a reciprocating screw rod (81) and a sliding block (82), the reciprocating screw rod (81) is rotatably arranged on the mounting frame (2), and the sliding block (82) is threadedly sleeved on the reciprocating screw rod (81) and connected to the dustproof cover (3) at one end.

5. The self-moving spray dust-settling system for fully-mechanized coal mining face according to claim 4, characterized in that: The linkage (8) further comprises a transmission shaft (83), a gear set (84) and a synchronous wheel set (85), the transmission shaft (83) is rotatably arranged on the mounting frame (2), the transmission shaft (83) is driven by the gear set (84) between the reciprocating screw rod (81), and the transmission shaft (83) is driven by the synchronous wheel set (85) between the conveying belt (1).

6. The self-moving spray dust-settling system for fully-mechanized coal mining face according to claim 1, characterized in that: The bottom of the spray pipe (4) is provided with at least three atomizing nozzles, and the atomizing nozzles are equidistantly arranged.

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