Opencast coal mine mining material conveying structure

Abstract

The utility model relates to the technical field of coal mining, in particular to an open-pit coal mining material conveying structure which comprises two mounting frames distributed left and right, transmission rollers are rotationally connected into the two mounting frames, and the transmission roller located on the left side is driven by a first motor installed on the front side of the mounting frame on the left side. A conveying belt is in transmission connection between the two transmission rollers, a transverse plate is fixedly connected between the two mounting frames, and two U-shaped frames are fixedly connected to the upper side of the transverse plate; two tensioning rollers move downwards, so that the conveying belt can be tensioned, the characteristic that after the conveying belt is loosened, tensioning adjustment is conveniently conducted on the conveying belt, and the conveying effect is prevented from being affected is further achieved, water is sprayed to the outer wall of the conveying belt through a plurality of spray heads, then the surface of the conveying belt can be scoured, and the conveying effect is improved. And meanwhile, a brush roller is driven by a second motor to rotate, so that the outer wall of the conveying belt can be further cleaned, and the purposes of conveniently and automatically cleaning the conveying belt and saving time and labor are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine mining, in particular to a material conveying structure for open-pit coal mine mining. Background Technique

[0002] A coal mine is an area where humans mine coal resources in coal-rich mining areas. Generally, it is divided into underground coal mines and open-pit coal mines. When the coal seam is very close to the surface, it is generally chosen to directly strip the surface soil layer to excavate coal. This is an open-pit coal mine. And during the process of open-pit coal mine mining, it is often necessary to convey it through a material conveying structure.

[0003] In the prior art, coal mines are generally conveyed by conveyor belts. However, long-term work is likely to cause fatigue of the conveyor belts, which will in turn lead to the conveyor belts becoming loose and affecting the transmission effect. Moreover, when the existing conveyor belts need to be cleaned, manual cleaning work is still required, and the process is time-consuming and laborious. Therefore, it is necessary to propose a material conveying structure for open-pit coal mine mining to solve the above-mentioned problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a material conveying structure for open-pit coal mine mining, which has the characteristics of being convenient for tension adjustment when the conveyor belt becomes loose to avoid affecting the transmission effect, and being convenient for automatic cleaning of the conveyor belt, saving time and labor.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A material conveying structure for open-pit coal mine mining, including two mounting frames distributed left and right. A driving roller is rotatably connected inside each of the two mounting frames. The driving roller on the left is driven by a first motor installed on the front side of the left mounting frame. A conveyor belt is drivingly connected between the two driving rollers. A cross plate is fixedly connected between the two mounting frames. Two U-shaped frames are fixedly connected to the upper side of the cross plate. A supporting roller that abuts against the outer wall of the conveyor belt is rotatably connected inside each of the two U-shaped frames. A screw rod penetrates and is threadedly connected to the outer wall of the cross plate. The upper end of the screw rod is rotatably connected to a frame body located between the two U-shaped frames. Both the front and rear ends of the upper side of the frame body are fixedly connected with connecting plates. Two tensioning rollers that abut against the inner wall of the conveyor belt are rotatably connected between the two connecting plates;

[0006] A brush roller that abuts against the outer wall of the conveyor belt is rotatably connected between the front and rear sides of the inner wall of the frame body. The brush roller is driven by a second motor installed on the front side of the frame body. A water tank is fixedly connected to the bottom side of the inner wall of the frame body. The upper end of the water tank is connected through a plurality of front and rear distributed spray heads. A booster pump is installed on the right side of the frame body. The water outlet end of the booster pump penetrates the right side of the frame body and is connected to the inside of the water tank.

[0007] To prevent the frame from rotating and improve the stability of its up and down movement, as an optimization of the material conveying structure for open-pit coal mine mining in the present utility model, two sliding rods are fixedly connected to the lower side of the frame, passing through and slidingly connected to the transverse plate.

[0008] To block the material during operation and support the coal material, as an optimization of the material conveying structure for open-pit coal mine mining in the present utility model, two baffles distributed front and back are fixedly connected between the two mounting frames, and a load-bearing roller that abuts against the inner wall of the conveyor belt is rotatably connected between the two baffles.

[0009] To facilitate the drainage of water inside the frame, as an optimization of the material conveying structure for open-pit coal mine mining in the present utility model, a drain port is penetrated and connected to the left side of the frame.

[0010] To facilitate the rotation of the screw, as an optimization of the material conveying structure for open-pit coal mine mining in the present utility model, a handle is fixedly connected to the lower end of the screw.

[0011] To facilitate the support of the device, as an optimization of the material conveying structure for open-pit coal mine mining in the present utility model, support frames are fixedly connected to the lower sides of the two mounting frames.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] When the conveyor belt becomes slack, by rotating the screw, the frame, two connecting plates and two tensioning rollers can be driven to move downward. Then, due to the supporting effect of the two supporting rollers, the conveyor belt can be tensioned until the tightness of the conveyor belt is in a suitable state, further achieving the characteristic of facilitating the tensioning adjustment of the conveyor belt when it becomes slack to avoid affecting the transmission effect.

[0014] When it is necessary to clean the surface of the conveyor belt, by driving the conveyor belt to rotate, at this time, water is sprayed onto the outer wall of the conveyor belt through multiple nozzles, and then the surface of the conveyor belt can be washed. At the same time, by driving the rotation of the brush roller by the second motor, the outer wall of the conveyor belt can be further cleaned, thus achieving the purpose of facilitating the automatic cleaning of the conveyor belt and saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall front sectional view of the present utility model;

[0016] Figure 2 It is the connection structure diagram of the frame of the present utility model;

[0017] Figure 3 It is the connection structure diagram of the mounting frame of the present utility model.

[0018] In the figure: 1. mounting frame; 2. driving roller; 3. first motor; 4. conveyor belt; 5. cross plate; 6. U-shaped frame; 7. supporting roller; 8. screw; 9. frame body; 10. connecting plate; 11. tensioning roller; 12. brush roller; 13. water tank; 14. booster pump; 15. second motor; 16. baffle; 17. load-carrying roller; 18. slide bar. Detailed implementation manner

[0019] Please refer to Figures 1 to 3 , a conveying structure for materials in open-pit coal mining, including two mounting frames 1 distributed left and right. The inside of both mounting frames 1 is rotatably connected with driving rollers 2. The driving roller 2 on the left is driven by a first motor 3 installed on the front side of the left mounting frame 1. A conveyor belt 4 is drivingly connected between the two driving rollers 2. A cross plate 5 is fixedly connected between the two mounting frames 1. The upper side of the cross plate 5 is fixedly connected with two U-shaped frames 6. The inside of both U-shaped frames 6 is rotatably connected with supporting rollers 7 that abut against the outer wall of the conveyor belt 4. The outer wall of the cross plate 5 penetrates and is threadedly connected with a screw 8. The upper end of the screw 8 is rotatably connected with a frame body 9 located between the two U-shaped frames 6. The front and rear ends of the upper side of the frame body 9 are fixedly connected with connecting plates 10. Between the two connecting plates 10, two tensioning rollers 11 that abut against the inner wall of the conveyor belt 4 are rotatably connected;

[0020] A brush roller 12 that abuts against the outer wall of the conveyor belt 4 is rotatably connected between the front and rear sides of the inner wall of the frame body 9. The brush roller 12 is driven by a second motor 15 installed on the front side of the frame body 9. The bottom side of the inner wall of the frame body 9 is fixedly connected with a water tank 13. The upper end of the water tank 13 penetrates and is connected with a plurality of spray heads distributed front and rear. A booster pump 14 is installed on the right side of the frame body 9. The water outlet end of the booster pump 14 penetrates the right side of the frame body 9 and is connected with the inside of the water tank 13.

[0021] In this embodiment: When the conveyor belt 4 becomes loose, by rotating the screw 8, the frame body 9 can be driven to move downward, and at the same time, the two connecting plates 10 and the two tensioning rollers 11 are driven to move downward. At this time, since the two supporting rollers 7 support the conveyor belt 4, when the two tensioning rollers 11 move downward, the conveyor belt 4 can be tensioned until the tightness of the conveyor belt 4 is in a suitable state, further achieving the characteristic that it is convenient to adjust the tension of the conveyor belt 4 after it becomes loose to avoid affecting the transmission effect;

[0022] When it is necessary to clean the surface of the conveyor belt 4, the left drive roller 2 is rotated by the first motor 3, and then the conveyor belt 4 can be driven through the right drive roller 2. At this time, the booster pump 14 pumps water into the interior of the water tank 13 through the hose and sprays it onto the outer wall of the conveyor belt 4 through a plurality of nozzles, so as to wash the surface of the conveyor belt 4. At the same time, the second motor 15 drives the brush roller 12 to rotate, and since the bristles of the brush roller 12 are in contact with the conveyor belt 4, the outer wall of the conveyor belt 4 can be further cleaned, so as to achieve the purpose of facilitating the automatic cleaning of the conveyor belt 4 and saving time and effort.

[0023] As a technical optimization scheme of the present utility model, two slide rods 18 are fixedly connected to the lower side of the frame body 9 and penetrate through and are slidably connected to the transverse plate 5.

[0024] In this embodiment: By arranging two slide rods 18, the rotation of the frame body 9 is prevented, and the stability of its up and down movement is improved.

[0025] As a technical optimization scheme of the present utility model, two baffles 16 distributed front and back are fixedly connected between the two mounting brackets 1, and a load-carrying roller 17 in contact with the inner wall of the conveyor belt 4 is rotatably connected between the two baffles 16.

[0026] In this embodiment: By arranging two baffles 16, the material can be blocked during the working process, and the coal material can be supported by a plurality of load-carrying rollers 17.

[0027] As a technical optimization scheme of the present utility model, a drain port is penetrated and connected to the left side of the frame body 9.

[0028] In this embodiment: By arranging the drain port, it is convenient to drain the water inside the frame body 9.

[0029] As a technical optimization scheme of the present utility model, a handle is fixedly connected to the lower end of the screw rod 8.

[0030] In this embodiment: By arranging the handle, it is convenient to rotate the screw rod 8.

[0031] As a technical optimization scheme of the present utility model, support frames are fixedly connected to the lower sides of the two mounting brackets 1.

[0032] In this embodiment: By arranging two support frames, it is convenient to support the device.

[0033] Working principle: When the conveyor belt 4 becomes slack, first rotate the screw rod 8 through the handle, which can drive the frame 9 to move downward, and at the same time drive the two connecting plates 10 and the two tensioning rollers 11 to move downward. At this time, since the two support rollers 7 support the conveyor belt 4, when the two tensioning rollers 11 move downward, the conveyor belt 4 can be tensioned until the tightness of the conveyor belt 4 is in a suitable state, further achieving the characteristic of facilitating the tensioning adjustment of the conveyor belt 4 when it becomes slack to avoid affecting the transmission effect.

[0034] When it is necessary to clean the surface of the conveyor belt 4, then drive the left driving roller 2 to rotate through the first motor 3, and then the conveyor belt 4 can be driven through the right driving roller 2. At this time, the booster pump 14 pumps water into the interior of the water tank 13 through the hose and sprays it onto the outer wall of the conveyor belt 4 through multiple nozzles, so as to wash the surface of the conveyor belt 4. At the same time, drive the brush roller 12 to rotate through the second motor 15, and since the bristles of the brush roller 12 are in contact with the conveyor belt 4, the outer wall of the conveyor belt 4 can be further cleaned, thus achieving the purpose of facilitating the automatic cleaning of the conveyor belt 4 and saving time and effort.

[0035] The above is only the preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A material conveying structure for open-pit coal mining, comprising two mounting frames (1) distributed on the left and right, wherein the interiors of the two mounting frames (1) are both rotatably connected with transmission rollers (2), the transmission roller (2) located on the left side is driven by a first motor (3) installed on the front side of the left mounting frame (1), and a conveyor belt (4) is transmission-connected between the two transmission rollers (2), characterized in that: A transverse plate (5) is fixedly connected between the two mounting frames (1), two U-shaped frames (6) are fixedly connected to the upper side of the transverse plate (5), the interiors of the two U-shaped frames (6) are rotatably connected to support rollers (7) that abut against the outer wall of the conveyor belt (4), a screw rod (8) passes through the outer wall of the transverse plate (5) and is threadedly connected, the upper end of the screw rod (8) is rotatably connected to a frame body (9) located between the two U-shaped frames (6), the front and rear ends of the upper side of the frame body (9) are fixedly connected to connecting plates (10), and two tensioning rollers (11) that abut against the inner wall of the conveyor belt (4) are rotatably connected between the two connecting plates (10); A brush roller (12) is rotatably connected between the front and rear sides of the inner wall of the frame (9) and is in contact with the outer wall of the conveyor belt (4). The brush roller (12) is driven by a second motor (15) installed on the front side of the frame (9). A water tank (13) is fixedly connected to the bottom side of the inner wall of the frame (9). A plurality of nozzles distributed front and back are connected through the upper end of the water tank (13). A booster pump (14) is installed on the right side of the frame (9). The water outlet end of the booster pump (14) passes through the right side of the frame (9) and is connected to the inside of the water tank (13).

2. The material conveying structure for open-pit coal mining according to claim 1 is characterized in that: The lower side of the frame (9) is fixedly connected to two sliding rods (18) that penetrate the transverse plate (5) and are slidably connected thereto.

3. The material conveying structure for open-pit coal mining according to claim 1 is characterized in that: Two baffles (16) distributed front and back are fixedly connected between the two mounting frames (1), and a load-bearing roller (17) abutting against the inner wall of the conveyor belt (4) is rotatably connected between the two baffles (16).

4. The material conveying structure for open-pit coal mining according to claim 1 is characterized by: The left side of the frame (9) is connected through a drainage port.

5. The material conveying structure for open-pit coal mining according to claim 1 is characterized by: The lower end of the screw rod (8) is fixedly connected with a handle.

6. The material conveying structure for open-pit coal mining according to claim 1, characterized in that: The lower sides of the two mounting frames (1) are fixedly connected to a supporting frame.

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