Cleaning device for materials below return belt

Abstract

The utility model provides a cleaning device for materials below a return belt, and relates to the technical field of cleaning, the cleaning device comprises a supporting frame, an automatic sweeper and an automatic scraper conveyor, the supporting frame supports a belt conveyor, and the automatic sweeper is arranged below the return belt of the belt conveyor. The automatic sweeper is started to primarily sweep the return belt of the belt conveyor, swept materials are recycled through the recycling funnel, and materials which are not directly swept can automatically fall on the return belt at the front end of the automatic sweeper when reaching a certain volume, so that the material accumulation phenomenon is formed; when an on-site inspector finds that the accumulated materials below the return belt exceed a certain height, the automatic scraper conveyor is started, the accumulated materials are automatically pushed into the recovery funnel, automatic cleaning is completed, and the problems that in the prior art, the accumulated materials below the return belt cannot be automatically cleaned, and the risk that the accumulated materials are wound into the belt due to manual cleaning is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cleaning, in particular to a material cleaning device under return belt. BACKGROUND

[0002] The raw coal storage and transportation device mainly undertakes the operation of raw material coal and fuel coal from the whole process of entering the device area to the production of gasification device and power plant, and undertakes the external transportation work of solid waste generated by raw material and fuel coal production. The raw material and fuel coal required for daily operation of power and gasification boiler is about 45000 tons, and the solid waste generated is about 9000 tons. The raw coal storage and transportation device is provided with 22 coal conveying belts and 12 slag conveying belts.

[0003] When the moisture of the material is large, the material is easy to adhere to the belt, resulting in a large amount of material adhering to the return belt of the belt conveyor, causing material accumulation on the belt. If only a cleaner is used to clean the return belt, when the moisture of the material is large, the material is easy to adhere to the belt, and the cleaner cannot clean thoroughly, causing the material to fall off the belt at the front end of the cleaner, thereby causing serious material scattering under the head drum of the belt conveyor. The space under the head drum of the belt conveyor is narrow and is a rotating device, and personnel cleaning has serious safety hazards. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the present utility model provides a material cleaning device under return belt, which first cleans the return belt and then cleans the material scattering under the head drum, avoiding material accumulation on the belt and preventing serious material scattering under the head drum of the belt conveyor, thereby avoiding the problem of personnel cleaning with serious safety hazards.

[0005] The present application is implemented as follows:

[0006] A support frame supports a belt conveyor;

[0007] An automatic sweeper is arranged below the return belt of the belt conveyor, and the automatic sweeper can clean the return belt of the belt conveyor. A recovery hopper is arranged below the automatic sweeper.

[0008] An automatic scraper is slidingly connected to the support frame and located below the belt conveyor. The output end of the automatic scraper can extend to the recovery hopper.

[0009] In one embodiment of the present application, the automatic sweeper comprises a bearing seat, a bearing, a cleaning roller and a rotating motor, the bearing seat is fixedly connected to the two sides of the recovery funnel, one end of the bearing is rotatably connected to the bearing seat, the other end of the bearing is fixedly connected to the output end of the rotating motor, the cleaning roller is fixedly connected to the bearing, and the cleaning roller is located between the two bearing seats and adheres to the return belt of the belt conveyor.

[0010] In one embodiment of the present application, a cleaning brush is arranged outside the cleaning roller.

[0011] In one embodiment of the present application, the front and rear ends of the scraper can extend to the front and rear ends of the recovery funnel.

[0012] In one embodiment of the present application, the automatic scraper comprises a fixed crossbar, a sliding rod, a scraper and a hydraulic push rod, the fixed crossbar is fixedly connected to the support frame, sliding grooves are formed in the lower ends of the two sides of the support frame, one end of the sliding rod is slidably connected to the sliding grooves, the scraper is fixedly connected to the other end of the sliding rod, the hydraulic push rod is fixedly connected to the fixed crossbar, and the output end of the hydraulic push rod is fixedly connected to the scraper.

[0013] In one embodiment of the present application, the scraper is a square frame structure, and a circle of hard hair brushes is fixedly connected to the bottom of the scraper.

[0014] In one embodiment of the present application, a support auxiliary block is slidably connected to the bottom of one end of the sliding rod.

[0015] In one embodiment of the present application, the support auxiliary block comprises a support block body and a small roller, the support block body is fixedly connected to the lower side of one end of the sliding rod, and the small roller is rollingly connected to the support block body and closely adheres to the bottom of the sliding rod.

[0016] In one embodiment of the present application, the support frame comprises a front support frame and a rear support frame, the front support frame supports the front end of the belt conveyor, and the rear support frame supports the lower rear end of the belt conveyor.

[0017] In one embodiment of the present application, a connecting rod is fixedly connected between the front support frame and the rear support frame.

[0018] The beneficial effects of this application are as follows: During use, the automatic cleaner is activated to perform preliminary cleaning of the return belt of the belt conveyor. The cleaned material is recovered through the recovery funnel. When the material that is not directly cleaned reaches a certain volume, it will automatically fall onto the return belt at the front end of the automatic cleaner, forming a material accumulation phenomenon. When the on-site inspector finds that the material accumulation under the return belt exceeds a certain height, the automatic scraper is activated to automatically push the accumulated material into the recovery funnel, completing the automatic cleaning. This avoids the problem of existing technologies being unable to automatically clean the material accumulation under the return belt, avoiding the risk of manual cleaning and the risk of the material being caught in the belt. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0020] Fig. 1 This application provides a schematic diagram of the structure of a material cleaning device under a return belt, as an embodiment of the present application.

[0021] Fig. 2 A schematic diagram of the structure of an automatic scraper conveyor is provided for the embodiments of this application;

[0022] Fig. 3 A structural schematic diagram of the supporting auxiliary block is provided for the embodiments of this application;

[0023] In the diagram: 1-Support frame; 11-Front support frame; 12-Rear support frame; 13-Connecting rod; 2-Belt conveyor; 3-Automatic sweeper; 31-Bearing seat; 32-Bearing; 33-Cleaning roller; 34-Rotating motor; 4-Recovery funnel; 5-Automatic scraper; 51-Fixed crossbar; 52-Sliding rod; 53-Scraper; 54-Hydraulic push rod; 55-Hard brush; 56-Support auxiliary block; 561-Support block body; 562-Small roller; Detailed Implementation

[0024] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0025] like Figs. 1-3 As shown, a material cleaning device under a return conveyor belt according to an embodiment of this application includes:

[0026] Support frame 1, which supports belt conveyor 2;

[0027] The automatic cleaner 3 is arranged below the return belt of the belt conveyor 2, and can clean the return belt of the belt conveyor 2. A recovery hopper 4 is arranged below the automatic cleaner 3.

[0028] The automatic scraper 5 is slidingly connected to the support frame 1 and located below the belt conveyor 2. The output end of the automatic scraper 5 can extend to the recovery hopper 4. In use, the return belt of the belt conveyor 2 is preliminarily cleaned by starting the automatic cleaner 3. The cleaned materials are recovered through the recovery hopper 4. The materials that are not directly cleaned will automatically fall off the return belt in front of the automatic cleaner 3 when reaching a certain volume, forming accumulated materials. When the on-site inspector finds that the accumulated materials below the return belt exceed a certain height, the automatic scraper 5 is started to automatically push the accumulated materials into the recovery hopper 4, completing the automatic cleaning. The problem that the accumulated materials below the return belt cannot be automatically cleaned in the prior art is solved, and manual cleaning is avoided, thereby avoiding the risk of being wrapped in the belt.

[0029] As shown in Fig. 2 The automatic cleaner 3 includes a bearing seat 31, a bearing 32, a cleaning roller 33 and a rotating motor 34. The bearing seat 31 is fixedly connected to the two sides of the recovery hopper 4. One end of the bearing 32 is rotatably connected to the bearing seat 31. The other end of the bearing 32 is fixedly connected to the output end of the rotating motor 34. The cleaning roller 33 is fixedly connected to the bearing 32. The cleaning roller 33 is located between the two bearing seats 31 and is attached to the return belt of the belt conveyor 2. The rotating motor 34 is started to drive the bearing 32 to rotate, thereby driving the cleaning roller 33 to rotate, thereby facilitating the scraping of the materials on the return belt. A cleaning brush is arranged outside the cleaning roller 33. The cleaning brush increases the cleaning strength of the cleaning roller 33.

[0030] Further, the automatic scraper 5 comprises a fixed crossbar 51, a sliding bar 52, a scraper 53 and a hydraulic push rod 54, the fixed crossbar 51 is fixedly connected to the support frame 1, sliding grooves are formed on both sides of the lower end of the support frame 1, one end of the sliding bar 52 is slidingly connected to the sliding grooves, the scraper 53 is fixedly connected to the other end of the sliding bar 52, the hydraulic push rod 54 is fixedly connected to the fixed crossbar 51, and the output end of the hydraulic push rod 54 is fixedly connected to the scraper 53. When the accumulated material is formed, the hydraulic push rod 54 is started to drive the scraper 53 to scrape the accumulated material back and forth, and at the same time the sliding bar 52 slides on the support frame 1 to increase the stability of scraping, so that the accumulated material is scraped into the recovery hopper 4 by the scraper 53. The scraper 53 is of a rectangular frame structure, and a circle of hard hair brushes 55 is fixedly connected to the bottom of the scraper 53. The rectangular frame structure forms multiple scraping effects. The front and rear ends of the scraper 53 can extend to the front and rear ends of the recovery hopper 4. The scraper 53 can be completely extended above the recovery hopper 4, so as to ensure that the accumulated material can be completely scraped into the recovery hopper 4. The one end of the sliding bar 52 is slidingly connected with a supporting auxiliary block 56. The supporting auxiliary block 56 is used to balance the sliding of the sliding bar 52, so as to prevent the sliding bar 52 from being unbalanced on both sides of the support frame 1, causing the sliding to be not smooth.

[0031] Further, the support frame 1 comprises a front support frame 11 and a rear support frame 12, the front support frame 11 is supported at the front end of the belt conveyor 2, and the rear support frame 12 is supported at the lower rear end of the belt conveyor 2. The belt conveyor 2 is designed to be inclined, and the fixed crossbar 51 is fixedly connected to the bottom of both sides of the front support frame 11. The front support frame 11 and the rear support frame 12 are fixedly connected with a connecting rod 13. The connecting rod 13 strengthens the support stability of the front support frame 11 and the rear support frame 12.

[0032] As shown in Fig. 3 The supporting auxiliary block 56 comprises a supporting block body 561 and a small roller 562, the supporting block body 561 is fixedly connected to the lower end of one end of the sliding bar 52, the small roller 562 is rollingly connected to the supporting block body 561, and the small roller 562 is tightly attached to the bottom of the sliding bar 52. When the sliding bar 52 slides, the small roller 562 rolls along, thereby balancing the sliding bar 52 and facilitating the sliding of the sliding bar 52.

[0033] In summary, the working principle of the material cleaning device below the return belt in the embodiment of the utility model: in use, through starting rotating motor 34 drive bearing 32 rotation, thereby drive cleaning roller 33 rotation, to the return belt of belt conveyor 2 preliminary cleaning, the material that sweeps down is recycled through recycling hopper 4, the material that does not sweep directly falls off the return belt in front of automatic sweeper 3 when reaching certain volume, forms the accumulated material phenomenon, when the on-site inspection personnel find that the accumulated material below the return belt exceeds certain height, start hydraulic push rod 54, drive scraper 53 scrape accumulated material before and after, simultaneously, sliding rod 52 slides on support frame 1, increase the stability of scraping, make the accumulated material he is scraped to recycling hopper 4 through scraper 53, complete automatic cleaning, avoid the problem that the accumulated material below the return belt in the prior art cannot be cleaned automatically, avoid manual cleaning, lead to the risk of winding into the belt.

[0034] The above is only the embodiment of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A material cleaning device under a return belt, characterized in that, Include: Support frame (1), the support frame (1) is supported with belt conveyor (2); Automatic sweeper (3), the automatic sweeper (3) is arranged below the return belt of the belt conveyor (2), the automatic sweeper (3) can clean the return belt of the belt conveyor (2), the recovery hopper (4) is arranged below the automatic sweeper (3); Automatic scraper (5), the automatic scraper (5) is slidably connected to the support frame (1), and the automatic scraper (5) is located below the belt conveyor (2), and the output end of the automatic scraper (5) can extend to the recovery hopper (4).

2. A material cleaning device under a return belt according to claim 1, characterized in that, The automatic sweeper (3) comprises a bearing seat (31), a bearing (32), a cleaning roller (33) and a rotating motor (34), the bearing seat (31) is fixedly connected to the two sides of the recovery hopper (4), one end of the bearing (32) is rotatably connected to the bearing seat (31), the other end of the bearing (32) is fixedly connected to the output end of the rotating motor (34), the cleaning roller (33) is fixedly connected to the bearing (32), and the cleaning roller (33) is located between the two bearing seats (31) and is attached to the return belt of the belt conveyor (2).

3. A material cleaning device under a return belt according to claim 2, characterized in that, The cleaning roller (33) is provided with a cleaning brush around the outside.

4. The material cleaning device under a return belt according to claim 1, characterized in that, The automatic scraper (5) comprises a fixed cross bar (51), a sliding rod (52), a scraper (53) and a hydraulic push rod (54), the fixed cross bar (51) is fixedly connected to the support frame (1), sliding grooves are formed in the lower ends of the two sides of the support frame (1), one end of the sliding rod (52) is slidably connected to the sliding grooves, the scraper (53) is fixedly connected to the other end of the sliding rod (52), the hydraulic push rod (54) is fixedly connected to the fixed cross bar (51), and the output end of the hydraulic push rod (54) is fixedly connected to the scraper (53).

5. A material cleaning device under a return belt according to claim 4, characterized in that, The scraper (53) is a square frame structure, and a circle of hard hair brushes (55) is fixedly connected to the bottom of the scraper (53).

6. A material cleaning device under a return belt according to claim 4, characterized in that, The front and rear ends of the scraper (53) can extend to the front and rear ends of the recovery hopper (4).

7. A material cleaning device under a return belt according to claim 4, characterized in that, One end of the sliding rod (52) is slidably connected with a supporting auxiliary block (56).

8. A material cleaning device under a return belt according to claim 7, characterized in that The supporting auxiliary block (56) comprises a supporting block body (561) and a small roller (562), the supporting block body (561) is fixedly connected to the lower side of one end of the sliding rod (52), the small roller (562) is rollingly connected to the supporting block body (561), and the small roller (562) is tightly attached to the bottom of the sliding rod (52).

9. The material cleaning device under a return belt according to claim 1, characterized in that, The support frame (1) comprises a front support frame (11) and a rear support frame (12), the front support frame (11) is supported at the front end of the belt conveyor (2), and the rear support frame (12) is supported at the lower rear end of the belt conveyor (2).

10. A material cleaning device under a return belt according to claim 9, characterized in that The front support frame (11) and the rear support frame (12) are fixedly connected with a connecting rod (13).

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