A coal mine underground belt protection device

Abstract

The utility model relates to a coal mine underground belt protection device belongs to underground belt protection technical field. Including mounting bracket, the mounting bracket upper end is equipped with the conveyer belt, the mounting bracket lower end one side is equipped with the placing groove, the collection box is inserted in the placing groove, the mounting bracket is located the conveyer belt one end below rotatoryly connected with the cleaning roller that the conveyer belt is in close contact with in, the mounting bracket is located between the conveyer belt rotatoryly connected with the support roller, the support roller both ends are fixedly connected with the mounting bracket through the adjusting mechanism. This patent is through setting adjusting mechanism cooperation support roller, when the weight is too heavy on the conveyer belt, provides certain support force to the conveyer belt, avoids the damage of the conveyer belt to bear too heavy weight;Through setting the cleaning roller, the collection box, the coal cinder adhered on the belt is swept conveniently, reduces the abrasion of the coal cinder to the conveyer belt.

Description

Technical Field

[0001] This utility model relates to a protective device for underground conveyor belts in coal mines, belonging to the field of underground conveyor belt protection technology. Background Technology

[0002] Underground conveyor belts in coal mines are very important transportation equipment in coal mine production, mainly used for transporting coal, gangue, materials, etc. underground.

[0003] When existing underground conveyor belts in coal mines are in use, if the weight of the transported items is large, the middle section of the belt will sag due to gravity due to lack of support, which will affect the normal transportation of coal in the mine. At the same time, some coal slag will adhere to the surface of the belt during transportation. As the belt rotates continuously, the amount of coal slag adhering to the belt will gradually increase, causing unnecessary wear and tear on the belt and affecting its service life. Utility Model Content

[0004] The technical problem this utility model aims to solve is that when conveyor belts are used in underground coal mines, the middle part of the belt is prone to sinking downwards due to gravity, and the coal slag adhering to the belt will cause unnecessary wear and tear.

[0005] To solve the above problems, this utility model provides a protective device for underground conveyor belts in coal mines, including a mounting frame. The upper end of the mounting frame is provided with a conveyor belt, and the lower end of the mounting frame is provided with a placement groove. A collection box is inserted into the placement groove. A cleaning roller that is in contact with the conveyor belt is rotatably connected to one end of the mounting frame below it. A support roller is rotatably connected to the mounting frame between the conveyor belts. The two ends of the support roller are fixedly connected to the mounting frame through an adjustment mechanism.

[0006] Furthermore: the mounting frame is equipped with a scraper that fits the conveyor belt on one side of the cleaning roller.

[0007] Furthermore: a motor is provided on one side of the mounting frame, and the output shaft of the motor passes through the mounting frame and is fixedly connected to the cleaning roller.

[0008] Furthermore: the adjustment mechanism includes a connecting plate, a fixed cylinder, and a telescopic rod. The connecting plate is fixedly connected to the inner side of the mounting frame, the fixed cylinder is fixedly connected to the upper end of the connecting plate, the telescopic rod is slidably connected to the fixed cylinder by a spring, a fixed plate is fixedly connected to one side of the upper end of the fixed cylinder, and the support roller is rotatably connected to the side of the fixed plate.

[0009] Furthermore: a limiting plate is provided on the other side of the upper end of the fixed cylinder, and a limiting groove adapted to the limiting plate is provided on the inner side of the mounting frame, and the limiting plate is slidably connected in the limiting groove.

[0010] Furthermore, the upper end of the limiting groove is flush with the bottom of the upper conveyor belt.

[0011] The advantages of this utility model compared with the prior art are as follows: This patent provides a certain amount of support to the conveyor belt when the weight on the belt is too heavy, thus preventing the belt from being damaged due to excessive weight. By setting up cleaning rollers and collection boxes, it is convenient to clean the coal slag adhering to the belt, reducing the wear caused by coal slag on the conveyor belt. Attached Figure Description

[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a structural diagram of a coal mine underground conveyor belt protection device according to the present invention.

[0013] Figure 2 This is a cross-section of a coal mine underground conveyor belt protection device according to the present invention. Figure 1 .

[0014] Figure 3 This is a structural diagram of the support roller of a coal mine underground conveyor belt protection device according to the present invention.

[0015] Figure 4 This is a cross-section of a coal mine underground conveyor belt protection device according to the present invention. Figure 2 .

[0016] Attached Figure

[0017] 1. Mounting frame; 11. Conveyor belt; 12. Scraper; 13. Limiting groove; 2. Placement groove; 21. Collection box; 3. Cleaning roller; 4. Support roller; 5. Adjusting mechanism; 51. Connecting plate; 52. Fixing cylinder; 53. Telescopic rod; 54. Limiting plate. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Combined with appendix Figure 1 , 24. This utility model provides a protective device for underground coal mine conveyor belts, including a mounting frame 1. A conveyor belt 11 is mounted on the upper end of the mounting frame 1, and a placement groove 2 is provided on one side of the lower end of the mounting frame 1. A collection box 21 is inserted into the placement groove 2. A cleaning roller 3, which is rotatably connected to one end of the conveyor belt 11 and is in contact with it, is located inside the mounting frame 1. A motor is located on one side of the mounting frame 1, and the output shaft of the motor passes through the mounting frame 1 and is fixedly connected to the cleaning roller 3. A scraper 12, which is in contact with the conveyor belt 11, is located inside the mounting frame 1 on one side of the cleaning roller 3. In use, coal is transported via the conveyor belt 11. The motor drives the cleaning roller 3 to rotate in the opposite direction to the rotation of the conveyor belt 11. The bristles on the cleaning roller 3 contact the surface of the conveyor belt 11, sweeping away the coal slag adhering to the conveyor belt 11. The scraper 12 further cleans the conveyor belt 11, and the swept coal slag falls into the collection box 21, reducing the wear of the conveyor belt 11 by the coal slag. Combined with appendix Figure 1-4 A support roller 4 is rotatably connected within the mounting frame 1 between the conveyor belts 11. Both ends of the support roller 4 are fixedly connected to the mounting frame 1 via an adjusting mechanism 5. The adjusting mechanism 5 includes a connecting plate 51, a fixed cylinder 52, and a telescopic rod 53. The connecting plate 51 is fixedly connected to the inner side of the mounting frame 1, the fixed cylinder 52 is fixedly connected to the upper end of the connecting plate 51, and the telescopic rod 53 is slidably connected to the fixed cylinder 52 via a spring. A fixed plate is fixedly connected to one side of the upper end of the fixed cylinder 52, and the support roller 4 is rotatably connected to the side of the fixed plate. A limiting plate 54 is provided on the other side of the upper end of the fixed cylinder 52. The inner side is provided with a limiting groove 13 that is adapted to the limiting plate 54. The limiting plate 54 is slidably connected in the limiting groove 13. The upper end of the limiting groove 13 is flush with the bottom of the upper conveyor belt 11 to prevent the telescopic rod 53 from pushing the conveyor belt 11 too high. When the weight of the material carried on the conveyor belt 11 is too heavy, the conveyor belt 11 will sink due to gravity. At this time, the telescopic rod 53, under the action of the spring, provides support to the support roller 4 on the side of the fixed plate. The support roller 4 rotates with the conveyor belt 11 and provides upward support force to prevent the conveyor belt 11 from sinking too high and reduce the deformation and damage of the conveyor belt 11.

[0020] The working principle of this application is as follows: In use, coal is conveyed by the conveyor belt 11. The motor drives the cleaning roller 3 to rotate in the opposite direction of the conveyor belt 11. The bristles on the cleaning roller 3 contact the surface of the conveyor belt 11 and sweep off the coal slag adhering to the conveyor belt 11. The scraper 12 further cleans the conveyor belt 11. The swept coal slag falls into the collection box 21, reducing the wear of the coal slag on the conveyor belt 11. When the weight of the material carried on the conveyor belt 11 is too heavy, the conveyor belt 11 will sag due to gravity. At this time, the telescopic rod 53, under the action of the spring, provides support to the support roller 4 on the side of the fixed plate. The support roller 4 rotates with the conveyor belt 11 and provides upward support force to prevent the conveyor belt 11 from sag excessively and reduce the deformation and damage of the conveyor belt 11.

[0021] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A conveyor belt protection device for underground coal mines, comprising a mounting frame (1), wherein a conveyor belt (11) is provided at the upper end of the mounting frame (1), characterized in that: The mounting frame (1) has a placement groove (2) on one side of its lower end. A collection box (21) is inserted into the placement groove (2). A cleaning roller (3) that is in contact with the conveyor belt (11) is rotatably connected to one end of the mounting frame (1). A support roller (4) is rotatably connected between the conveyor belts (11) in the mounting frame (1). The two ends of the support roller (4) are fixedly connected to the mounting frame (1) through an adjustment mechanism (5).

2. The underground conveyor belt protection device for coal mines according to claim 1, characterized in that: The mounting frame (1) has a scraper (12) attached to the conveyor belt (11) located on one side of the cleaning roller (3).

3. The underground conveyor belt protection device for coal mines according to claim 2, characterized in that: A motor is provided on one side of the mounting frame (1), and the output shaft of the motor passes through the mounting frame (1) and is fixedly connected to the cleaning roller (3).

4. A coal mine underground conveyor belt protection device according to claim 1, characterized in that: The adjustment mechanism (5) includes a connecting plate (51), a fixed cylinder (52), and a telescopic rod (53). The connecting plate (51) is fixedly connected to the inner side of the mounting frame (1). The fixed cylinder (52) is fixedly connected to the upper end of the connecting plate (51). The telescopic rod (53) is slidably connected to the fixed cylinder (52) by a spring. A fixed plate is fixedly connected to one side of the upper end of the fixed cylinder (52). The support roller (4) is rotatably connected to the side of the fixed plate.

5. A coal mine underground conveyor belt protection device according to claim 4, characterized in that: The upper end of the fixed cylinder (52) is provided with a limiting plate (54) on the other side. The inner side of the mounting bracket (1) is provided with a limiting groove (13) that is adapted to the limiting plate (54). The limiting plate (54) is slidably connected in the limiting groove (13).

6. A coal mine underground conveyor belt protection device according to claim 5, characterized in that: The upper end of the limiting groove (13) is flush with the bottom of the upper conveyor belt (11).

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