Belt conveyor slag removal assembly for coal mine and belt conveyor

Abstract

The utility model relates to the technical field of coal mine belt conveyors, in particular to a belt conveyor slag removal assembly used for a coal mine and a belt conveyor, the slag removal assembly comprises a base and a support, the support is installed on the base, and a through type first cavity is formed in the support; the top rollers are elastically mounted on the upper surface of the first cavity; the multiple cleaning brushes are elastically mounted on the lower surface of the first cavity; the first spraying assembly extends into the first cavity from the outside and can spray water to the cleaning brush; the sliding rail is installed on the base, and the support is installed on the sliding rail in a sliding mode; the reciprocating motion mechanism is installed on the base, connected with the support and used for driving the support to reciprocate on the sliding rail. The belt conveyor effectively solves the problem that coal cinder on the surface of the belt conveyor is not easy to clean in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine belt conveyors, and specifically provides a belt conveyor slag cleaning component and a belt conveyor used in coal mines. Background Art

[0002] Belt conveyors are essential equipment in coal mining. Existing belt conveyors are prone to coal slag sticking to their surfaces. If not cleaned promptly, the belt surface can be damaged under heavy pressure, which can affect the belt's service life over time. Utility Model Content

[0003] The utility model provides a belt conveyor slag cleaning component and a belt conveyor for a coal mine, which solves the problem in the prior art that the surface slag of the belt conveyor is difficult to clean.

[0004] In a first aspect, the utility model provides a slag cleaning assembly for a belt conveyor in a coal mine, comprising:

[0005] base;

[0006] A support, mounted on the base and forming a through-type first cavity;

[0007] a top roller, including a plurality of top rollers, elastically mounted on the upper surface of the first cavity;

[0008] A plurality of cleaning brushes are elastically mounted on the lower surface of the first cavity;

[0009] a first spray assembly extending from the outside into the first cavity and capable of spraying toward the cleaning brush;

[0010] A slide rail is mounted on the base, and the support is slidably mounted on the slide rail;

[0011] The reciprocating motion mechanism is installed on the base and connected to the support, and is used for driving the support to reciprocate on the slide rail.

[0012] According to the slag cleaning assembly provided by the utility model, the reciprocating motion mechanism includes:

[0013] a cam plate, rotatably mounted on the base;

[0014] a driving member connected to the cam disc and configured to drive the cam disc to rotate;

[0015] A driven sleeve, sleeved on the eccentric shaft of the cam disc;

[0016] a reciprocating rod, fixedly connected to the driven sleeve;

[0017] The guide frame is fixed to the base, and the reciprocating rod passes through the guide frame and is slidably connected to the guide frame.

[0018] According to the slag cleaning assembly provided by the present invention, there are multiple cleaning brushes, which are evenly distributed in an array on the lower surface of the first cavity;

[0019] The bottom end of the cleaning brush is provided with a first compression elastic mechanism for applying force to the cleaning brush to move toward the top roller.

[0020] According to the slag cleaning assembly provided by the present invention, there are multiple top rollers, which are evenly distributed in an array on the upper surface of the first cavity;

[0021] A second compression elastic mechanism is provided at the bottom end of the top roller, which is used to provide a force for the top roller to move toward the cleaning brush.

[0022] According to the slag cleaning assembly provided by the present invention, the first spray assembly includes a plurality of first nozzles, and the first nozzles are evenly distributed in an array on the lower surface of the first cavity and face the top of the cleaning brush.

[0023] In a second aspect, the present invention further provides a belt conveyor, comprising the slag cleaning assembly mentioned in the first aspect, and further comprising:

[0024] Bracket;

[0025] A roller assembly is arranged on the bracket;

[0026] A belt is sleeved on the roller assembly to form an upper conveying surface and a lower recovery surface;

[0027] A driving unit, drivingly connected to the roller assembly;

[0028] The lower recovery surface of the belt passes through the first cavity and is located between the cleaning brush and the top roller, and both the cleaning brush and the top roller are in contact with the belt.

[0029] The belt conveyor provided by the utility model also includes:

[0030] A dust cover is provided above the belt along the length direction of the belt and is mounted on the bracket;

[0031] The second spray assembly is arranged on the top of the inner wall of the dust cover along the length direction of the belt.

[0032] According to the belt conveyor provided by the utility model, the second spray assembly includes:

[0033] a water pipe, arranged on the top of the inner wall of the dust cover along the length direction of the belt;

[0034] The second nozzles are multiple and are evenly arranged on the water pipe along the length direction and are communicated with the water pipe.

[0035] According to the belt conveyor provided by the utility model, the water pipe is rotatably mounted on the inner wall of the dust cover; and a steering gear is provided at the end of the water pipe, and the steering gear can rotate the water pipe.

[0036] The utility model provides a belt conveyor slag cleaning component and a belt conveyor for coal mines. By arranging the slag cleaning component near the single-side belt of the traditional belt conveyor, the problem of difficult cleaning of coal slag on the surface of the belt conveyor in the prior art is effectively solved.

[0037] By setting the top roller, when the belt is in the slag cleaning component area, the belt can be tightened toward the cleaning brush to ensure that the cleaning brush can contact the belt surface; by setting the cleaning brush, the attachments on the belt surface can be cleaned, and at the same time, because the cleaning brush is an elastic part, it can be ensured that it can abut against the belt; by setting the first spray component, the attachments on the belt can be flushed, which is conducive to cleaning by the cleaning brush until the belt surface is flushed clean; by setting the slide rail, a track foundation can be provided for the reciprocating movement to the support; by setting the reciprocating motion mechanism, the support can be driven to different positions of the belt, and at the same time, the cleaning brush can be driven to reciprocate and clean the belt section to be cleaned until the section to be cleaned is flushed clean.

[0038] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0040] Figure 1 This is a schematic diagram of the three-dimensional structure of the cleaning component provided by the utility model from the first perspective;

[0041] Figure 2 This is a schematic diagram of the three-dimensional structure of the cleaning component provided by the utility model from a second viewing angle;

[0042] Figure 3 This is a schematic diagram of the three-dimensional structure of the cleaning component provided by the utility model from a third viewing angle;

[0043] Figure 4 This is a schematic diagram of the three-dimensional structure of the reciprocating motion mechanism of the cleaning component provided by the utility model;

[0044] Figure 5This is a longitudinal cross-sectional view of the cleaning component provided by the present utility model;

[0045] Figure 6 This is a schematic structural diagram of the first spray assembly of the cleaning assembly provided by the utility model;

[0046] Figure 7 This is a schematic diagram of the three-dimensional structure of the belt conveyor provided by the utility model;

[0047] Figure 8 This is a schematic diagram of the belt installation position structure of the belt conveyor provided by the utility model;

[0048] Figure 9 This is a structural diagram of the belt conveyor roller group provided by the utility model;

[0049] Figure 10 This is a structural diagram of the second spray assembly of the belt conveyor provided by the utility model;

[0050] Reference numerals:

[0051] 1. Base; 2. Support; 201. Cavity; 3. Top roller; 301. Second compression elastic mechanism 301; 4. Cleaning brush; 401. First compression elastic mechanism; 5. First spray assembly; 501. First nozzle; 6. Slide rail; 7. Reciprocating motion mechanism; 701. Cam plate; 702. Driving member; 703. Follower sleeve; 704. Reciprocating rod; 705. Guide frame; 8. Bracket; 9. Roller assembly; 10. Belt; 1001. Upper conveying surface; 1002. Lower recovery surface; 11. Driving unit; 12. Dust cover; 13. Second spray assembly; 1301. Water pipe; 1302. Second nozzle; 14. Servo. DETAILED DESCRIPTION

[0052] To make the purpose, technical solutions, and advantages of the present invention more clear, the following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0053] In the description of the embodiments of the present invention, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the embodiments of the present invention and to simplify the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0054] In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0055] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," or "below" a second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is lower in level than the second feature.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the utility model. In this specification, the schematic expressions of the above terms do not refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0057] The following combination Figures 1 to 10 The embodiment shown describes the technical solution of the utility model:

[0058] The present invention provides a belt conveyor slag cleaning assembly for coal mines, such as Figures 1 to 3 Shown, including:

[0059] Base 1;

[0060] The support 2 is mounted on the base 1 and forms a through-type first cavity 201;

[0061] The top roller 3 has a plurality of top rollers and is elastically mounted on the upper surface of the first cavity 201;

[0062] A plurality of cleaning brushes 4 are elastically mounted on the lower surface of the first cavity 201;

[0063] The first spray assembly 5 extends from the outside into the first cavity 201 and is capable of spraying onto the cleaning brush 4;

[0064] The slide rail 6 is mounted on the base 1, and the support 2 is slidably mounted on the slide rail 6;

[0065] The reciprocating motion mechanism 7 is installed on the base 1 and connected to the support 2 to drive the support 2 to reciprocate on the slide rail 6.

[0066] In some embodiments, one end of the top roller 3 and the cleaning brush 4 is equipped with a telescopic spring or a rubber material, which can make the top roller 3 and the cleaning brush 4 have a tendency to move toward each other, so that the belt surface to be cleaned can contact the cleaning brush 4; the reciprocating motion mechanism 7 can be a combination of mechanical parts such as a cylinder, a slider, and a chain, which can drive the support 2 to reciprocate on the slide rail 6;

[0067] In this embodiment, the top roller 3 is elastically mounted on the upper surface of the first cavity 201, which can make the top roller 3 have a tendency to move toward the lower surface of the first cavity 201, tightening and convexing the belt surface to be cleaned. At the same time, the cleaning brush 4 is elastically mounted on the lower surface of the first cavity 201, which can make the cleaning brush 4 have a tendency to move toward the upper surface of the first cavity 201. Under the action of the two, the scraping head on the top of the cleaning brush 4 abuts against the belt surface, thereby scraping off the coal slag and the like attached to the belt, achieving the effect of cleaning the belt; the first spray assembly 5 extends from the outside into the first cavity 201, and by spraying the belt surface to be cleaned, the attachments on the belt surface can be dissolved, which is beneficial for the cleaning brush 4 to scrape the attachments, and the surface to be cleaned is continuously sprayed until its surface is clean; the reciprocating motion mechanism 7 drives the support 2 to reciprocate on the slide rail 6, and the surface to be cleaned is continuously flushed until the belt surface is clean.

[0068] The utility model provides a belt conveyor slag cleaning component and a belt conveyor for coal mines. By arranging the slag cleaning component near the single-side belt of the traditional belt conveyor, the problem of difficult cleaning of coal slag on the surface of the belt conveyor in the prior art is effectively solved.

[0069] By setting the top roller 3, when the belt is in the slag cleaning component area, the belt section to be cleaned can be tightened toward the cleaning brush 4, ensuring that the cleaning brush 4 can contact the belt surface; by setting the cleaning brush 4, the attachments on the belt surface can be cleaned, and at the same time, because the cleaning brush 4 is an elastic part, it can be ensured that it can abut against the belt; by setting the first spray component 5, the attachments on the belt can be continuously sprayed, so that attachments such as coal slag are gradually separated from the belt surface to be cleaned, which is beneficial to the cleaning work of the cleaning brush 4; by setting the slide rail 6, a track foundation can be provided for the movement of the reciprocating motion mechanism 7; by setting the reciprocating motion mechanism 7, the support 2 can be driven to be at different positions of the belt.

[0070] According to the embodiment of the present invention, the slag cleaning component is provided. Figure 1 and 4 As shown, the reciprocating motion mechanism 7 includes:

[0071] Cam plate 701, rotatably mounted on base 1;

[0072] A driving member 702 is connected to the cam plate 701 and is used to drive the cam plate 701 to rotate;

[0073] The driven sleeve 703 is sleeved on the eccentric shaft of the cam disc 701;

[0074] The reciprocating rod 704 is fixedly connected to the driven sleeve 703;

[0075] The guide frame 705 is fixed to the base 1 , and the reciprocating rod 704 passes through the guide frame 705 and is slidably connected to the guide frame 705 .

[0076] In this embodiment, the reciprocating motion mechanism 7 is configured to utilize a driving member 702 to drive the cam disc 701 to rotate, and the driven sleeve 703 is sleeved on the eccentric shaft of the cam disc 701, thereby driving the driven sleeve 703 to move linearly. At the same time, the reciprocating rod 704 is fixedly connected to the driven sleeve 703, and a sliding connection is formed between the guide frame 705 connecting and fixing the reciprocating motion mechanism 7 and the reciprocating rod 704, so the reciprocating rod 704 can reciprocate axially with the driven sleeve 703. Because the support 2 is fixedly connected to the reciprocating rod 704, the reciprocating rod 704 drives the support 2 to reciprocate when the driven sleeve 703 moves axially, and uses the cleaning brush 4 on the support 2 to scrape the belt surface to be cleaned back and forth to clean the attachments on the cleaning surface.

[0077] According to the embodiment of the present invention, the slag cleaning component is provided. Figure 1 and Figure 5 As shown, there are multiple cleaning brushes 4, which are evenly distributed in an array on the lower surface of the first cavity 201;

[0078] A first compression elastic mechanism 401 is provided at the bottom end of the cleaning brush 4 for applying force to the cleaning brush 4 to move toward the top roller 3 .

[0079] In this embodiment, there are multiple cleaning brushes 4, and the brush heads are all hard scrapers, so that they can scrape the attachments on the belt and scrape off the attachments on the belt; at the same time, multiple cleaning brushes 4 are evenly distributed in an array on the lower surface of the first cavity 201, and a first compression elastic mechanism 401 is provided at the bottom of the mounting end of the cleaning brush 4, which always gives the cleaning brush 4 a force to move toward the top roller 3, ensuring that the cleaning brush 4 can abut against the surface of the belt to be cleaned, and under the movement of the reciprocating motion mechanism 7, repeatedly scrape the surface to be cleaned until the surface to be cleaned is cleaned.

[0080] According to the embodiment of the present invention, the slag cleaning component is provided. Figure 1 and Figure 5 As shown, there are multiple top rollers 3, which are evenly distributed in an array on the upper surface of the first cavity 201;

[0081] A second compression elastic mechanism 301 is provided at the bottom end of the top roller 3 for applying force to the top roller 3 to move toward the cleaning brush 4 .

[0082] In some embodiments, the top roller 3 can be arranged on the horizontal surface of the support 2 so that it can tighten the belt section that is sunken due to the attachment, ensuring that the attachment on the belt section to be cleaned can contact the cleaning brush 4;

[0083] In this embodiment, there are multiple top rollers 3, which are evenly distributed in an array on the upper surface of the first cavity 201; at the same time, a second compression elastic mechanism 301 is provided at the bottom end of the mounting surface of the top roller 3, which always gives the top roller 3 a force to move toward the cleaning brush 4, ensuring that the top roller 3 tightens the belt segment to be cleaned, so that the belt segment to be cleaned abuts against the cleaning brush 4, so that the cleaning brush 4 can be used to scrape the attachments on the surface to be cleaned, thereby achieving the effect of cleaning the belt.

[0084] According to the embodiment of the present invention, the slag cleaning component is provided. Figure 1 and Figure 6 As shown, the first spray assembly 5 includes a plurality of first nozzles 501 , which are evenly distributed in an array on the lower surface of the first cavity 201 and face the top of the cleaning brush 4 .

[0085] In this embodiment, the first spray assembly 5 includes a plurality of first nozzles 501, and the plurality of first nozzles 501 are evenly distributed in an array on the lower surface of the first cavity 201, and pass through the support 2 toward the cleaning brush 4, so that the water from the external water pipe can evenly cover the belt surface to be cleaned through the first nozzle 501, dissolving the attachments on the belt surface while also evenly flushing the belt surface.

[0086] According to an embodiment of the present invention, a belt conveyor is provided, such as Figures 7 to 9 As shown, including the above-mentioned cleaning component, further comprising:

[0087] Bracket 8;

[0088] The roller assembly 9 is arranged on the bracket 8;

[0089] The belt 10 is sleeved on the roller assembly 9 to form an upper conveying surface 1001 and a lower recovery surface 1002;

[0090] A driving unit 11 is connected to the roller assembly 9;

[0091] The lower recovery surface 1002 of the belt passes through the first cavity 201 and is located between the cleaning brush 4 and the top roller 3 . Both the cleaning brush 4 and the top roller 3 are in contact with the belt 10 .

[0092] In this embodiment, a belt conveyor is provided, which is combined with a slag cleaning component. After transporting the coal, the slag cleaning component is used to clean the attachments on the belt. The belt conveyor includes a bracket 8; a roller group 9 is arranged on the bracket 8; a belt 10 is sleeved on the roller group 9 to form an upper conveying surface 1001 and a lower recovery surface 1002, wherein the cleaning component is arranged between the lower recovery surface 1002, so that the lower recovery surface 1002 is between the cleaning brush 4 and the top roller 3, and at the same time, the cleaning brush 4 and the top roller 3 are in contact with the lower recovery surface 1002, ensuring that the cleaning brush 4 can scrape the attachments on the lower recovery surface 1002; the driving part 11 is connected to the roller group 9, and the roller group 9 is driven to rotate by the rotation of the driving part 11, thereby rotating the belt 10 to realize the transportation of coal.

[0093] According to the belt conveyor provided by the embodiment of the present utility model, Figures 7 to 9 As shown, it also includes:

[0094] A dust cover 12 is provided above the belt 10 along the length direction of the belt 10 and is mounted on the bracket 8;

[0095] The second spray assembly 13 is disposed on the top of the inner wall of the dust cover 12 along the length direction of the belt 10 .

[0096] In some embodiments, the second spray assembly 13 can be arranged in multiple rows on the side wall of the inner wall of the dust cover 12 to achieve flushing of the inner wall of the dust cover 12;

[0097] In this embodiment, the dust cover 12 is arranged along the length direction of the belt 10 and is arranged above the belt 10 to block the dust generated during coal transportation, reduce air pollution, provide a clean working environment for workers, and reduce the probability of other parts being contaminated by coal dust, thereby extending the service life of other mechanical workpieces; the second spray component 13 is arranged at the top of the inner wall of the dust cover 12. While cleaning the dust cover 12, it reduces dust drifting and preliminarily dissolves the attachments on the conveyed belt 10, making it convenient for subsequent cleaning components to scrape the attachments on the belt 10.

[0098] According to the belt conveyor provided by the embodiment of the present utility model, Figure 7 and Figure 10 As shown, the second spray assembly 13 includes:

[0099] The water pipe 1301 is provided at the top of the inner wall of the dust cover 12 along the length direction of the belt 10;

[0100] There are multiple second nozzles 1302 , which are evenly arranged on the water pipe 1301 along the length direction and are connected to the water pipe 1301 .

[0101] In this embodiment, the second spray assembly 13 is composed of a water pipe 1301 and multiple second nozzles 1302, wherein the water pipe 1301 is arranged at the top of the inner wall of the dust cover 12 along the length direction of the belt 10, and also includes multiple second nozzles 1302 evenly arranged on the water pipe 1301 along the length, so that the water coming out of the water pipe 1301 covers the entire belt 10 and the inner wall of the dust cover 12 through the multiple second nozzles 1302, reducing dust drifting while utilizing the subsequent cleaning of the belt 10 through the slag cleaning assembly.

[0102] According to the belt conveyor provided by the embodiment of the present utility model, Figure 6 and Figure 10 As shown, the water pipe 1301 is rotatably mounted on the inner wall of the dust cover 12 ; and a steering gear 14 is provided at the end of the water pipe 1301 , which can rotate the water pipe 1301 .

[0103] In this embodiment, the servo 14 is used to make the water pipe 1301 swing slightly on the top of the dust cover 12, so that the water transported by the water pipe 1301 can fully cover the inner wall of the dust cover 12 and wet the attachments on the belt 10 through the second nozzle 1302, thereby reducing dust drifting and facilitating the scraping of attachments on the belt 10 by the slag cleaning component, thereby further cleaning the belt 10 and extending the service life of the belt 10.

[0104] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A slag removal assembly for a belt conveyor in a coal mine, characterized in that: include: base; A support, mounted on the base and forming a through-type first cavity; a top roller, including a plurality of top rollers, elastically mounted on the upper surface of the first cavity; A plurality of cleaning brushes are elastically mounted on the lower surface of the first cavity; a first spray assembly extending from the outside into the first cavity and capable of spraying toward the cleaning brush; A slide rail is mounted on the base, and the support is slidably mounted on the slide rail; The reciprocating motion mechanism is installed on the base and connected to the support, and is used for driving the support to reciprocate on the slide rail.

2. The slag cleaning assembly according to claim 1, characterized in that: The reciprocating motion mechanism comprises: a cam plate, rotatably mounted on the base; a driving member connected to the cam disc and configured to drive the cam disc to rotate; A driven sleeve, sleeved on the eccentric shaft of the cam disc; a reciprocating rod, fixedly connected to the driven sleeve; The guide frame is fixed to the base, and the reciprocating rod passes through the guide frame and is slidably connected to the guide frame.

3. The slag cleaning assembly according to claim 1, characterized in that: There are multiple cleaning brushes, which are evenly distributed in an array on the lower surface of the first cavity; The bottom end of the cleaning brush is provided with a first compression elastic mechanism for applying force to the cleaning brush to move toward the top roller.

4. The slag cleaning assembly according to claim 1, characterized in that: There are multiple top rollers, which are evenly distributed in an array on the upper surface of the first cavity; A second compression elastic mechanism is provided at the bottom end of the top roller, which is used to provide a force for the top roller to move toward the cleaning brush.

5. The slag cleaning assembly according to claim 1, characterized in that: The first spray assembly includes a plurality of first nozzles, which are evenly distributed in an array on the lower surface of the first cavity and face the top of the cleaning brush.

6. A belt conveyor, characterized in that: The slag cleaning assembly according to any one of claims 1 to 5 further comprises: Bracket; A roller assembly is arranged on the bracket; A belt is sleeved on the roller assembly to form an upper conveying surface and a lower recovery surface; A driving unit, drivingly connected to the roller assembly; The lower recovery surface of the belt passes through the first cavity and is located between the cleaning brush and the top roller, and both the cleaning brush and the top roller are in contact with the belt.

7. The belt conveyor according to claim 6, characterized in that: Also includes: A dust cover is provided above the belt along the length direction of the belt and is mounted on the bracket; The second spray assembly is arranged on the top of the inner wall of the dust cover along the length direction of the belt.

8. The belt conveyor according to claim 7, characterized in that: The second spray assembly includes: a water pipe, arranged on the top of the inner wall of the dust cover along the length direction of the belt; The second nozzles are multiple and are evenly arranged on the water pipe along the length direction and are communicated with the water pipe.

9. The belt conveyor according to claim 8, characterized in that: The water pipe is rotatably mounted on the inner wall of the dust cover; and a steering gear is provided at the end of the water pipe, and the steering gear can make the water pipe rotate.

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