Belt replacing device of belt conveyor

Abstract

The utility model provides a belt type conveyer belt replacing device which comprises an upper layer belt, a turnabout drum is arranged below the upper layer belt, a new belt winding drum is arranged on the side portion of the turnabout drum, a new belt is wound on the new belt winding drum, the upper layer belt is connected with the new belt through a first fixing clamping plate, and the upper layer belt is connected with the new belt through a second fixing clamping plate. A lower belt is arranged below the turnabout drum, an old belt drum is arranged on the side portion of the new belt drum, an old belt is wound on the old belt drum, the lower belt is connected with the old belt through a second fixing clamping plate, a drum large gear is arranged on the outer side of the old belt drum, and the old belt drum conducts transmission through the drum large gear. A winding drum pinion is arranged at the bottom of the winding drum large gear, the winding drum large gear is driven by the winding drum pinion, and a supporting frame is arranged below the old belt winding drum. The belt replacing device is used for belt replacing operation of the mine belt conveyor, the injury risk of operators can be reduced, and the belt replacing efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of belt conveyors and relates to a belt replacement device for a belt conveyor. Background Art

[0002] Belt conveyors are an important means of material transportation in the mining industry and are widely used in the production and operation of mineral processing plants. When the belt of a belt conveyor has been running for a long time, it needs to be replaced regularly due to material wear or iron damage. The existing large-scale belt conveyors have a long conveying distance. Usually, the old belt is carried on the new belt. The new belt is fixed to the old belt at the tail wheel. The new belt is slowly conveyed around the belt conveyor, and the old belt is disconnected and manually pulled out. The replacement process has great safety risks and labor intensity. In order to reduce the maintenance time and labor intensity of personnel replacing belts, it is necessary to design a device to assist in scientific and efficient belt replacement. Utility Model Content

[0003] The utility model aims to provide a belt conveyor belt replacement device to solve the problems existing in the prior art, which solves the problems that the original belt replacement method has great safety risks, high labor intensity in the operation process and long maintenance time.

[0004] To this end, the utility model adopts the following technical solutions:

[0005] A belt conveyor belt replacement device comprises an upper belt, a redirecting roller is provided below the upper belt, a new belt reel is provided on the side of the redirecting roller, the new belt reel is wound with the new belt, the upper belt is connected to the new belt through a first fixed clamping plate, a lower belt is provided below the redirecting roller, an old belt reel is provided on the side of the new belt reel, the old belt reel is wound with the old belt, the lower belt is connected to the old belt through a second fixed clamping plate, a large reel gear is provided on the outer side of the old belt reel, and the reel is driven by the large reel gear, a small reel gear is provided at the bottom of the large reel gear, and the reel is driven by the small reel gear, and a support frame is provided below the old belt reel.

[0006] Furthermore, a motor is provided on the side of the reel pinion, and the reel pinion is driven by the motor.

[0007] Furthermore, the support frame includes a plate body, and a first support rod and a second support rod are vertically arranged above the plate body, and the two are connected by a cross bar, the first support rod is rotationally connected to the new belt reel, and the second support rod is rotationally connected to the old belt reel.

[0008] Furthermore, a parallel redirecting roller is provided at the bottom of the cross bar, and the old belt is transmitted to the old belt reel by the parallel redirecting roller.

[0009] Furthermore, the upper belt and the lower belt are arranged in parallel.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model can effectively improve the safety of belt replacement operations: traditional large-scale belt conveyors are usually installed in the way of replacing old belts with new ones. The belt replacement speed depends on the original conveying speed of the belt conveyor, and the old belt can only be pulled out from the side using mechanical equipment such as car cranes, which poses certain safety risks;

[0012] 2. The utility model can reduce the labor intensity of operators: the old belt can be pulled out and the new belt can be installed in place at one time, which reduces the operation steps and workload, and the operation steps are simple. It is only necessary to fix the device and use the fixing splint to connect the old and new belts;

[0013] 3. The utility model can effectively shorten the maintenance time: the use of this device can shorten the maintenance time of belt replacement operation. Usually, the replacement of belts of large belt conveyors requires multiple steps such as new belt reversing, new belt installation, joint gluing, old belt pulling out, and old belt reversing. After using this device, multiple processes are combined;

[0014] 4. The production cost of the utility model is low: the device has a simple structure, no complicated mechanical structure, a low failure rate during use, and has good economic promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] In the figure, 1-upper belt, 2-redirecting roller, 3-first fixed clamping plate, 4-new belt reel, 4a-new belt, 5-reel large gear, 6-old belt reel, 6a-old belt, 7-reel small gear, 8-motor, 9-support frame, 9a-plate body, 9b-first support rod, 9c-second support rod, 9d-cross bar, 10-parallel redirecting reel, 11-second fixed clamping plate, 12-lower belt. DETAILED DESCRIPTION

[0017] The technical solution of the utility model is described below in conjunction with the accompanying drawings and implementation methods.

[0018] like Figure 1As shown, a belt conveyor belt replacement device comprises an upper belt 1, a redirecting roller 2 is provided below the upper belt 1, a new belt reel 4 is provided on the side of the redirecting roller 2, the new belt reel 4 is provided with a new belt 4a, the upper belt 1 is connected to the new belt 4a through a first fixed clamping plate 3, specifically, the first fixed clamping plate 3 is mainly used to fix the old belt 6a disconnected from the belt conveyor with the belt on the new belt reel 4 to ensure that the new belt 4a can be fully wound around the conveyor by utilizing the head transmission device of the belt conveyor; the new belt reel 4 is used to store the new belt 4a, the reel has no driving source, and the new belt 4a is installed in place by the operation of the old belt 6a.

[0019] A lower belt 12 is provided below the redirecting roller 2, and the upper belt 1 and the lower belt 12 are arranged in parallel; an old belt reel 6 is provided on the side of the new belt reel 4, and the old belt reel 6 is provided with an old belt 6a, and the lower belt 12 is connected to the old belt 6a through a second fixed clamping plate 11.

[0020] A large drum gear 5 is provided on the outside of the old belt reel 6, and it is transmitted through the large drum gear 5. A small drum gear 7 is provided on the bottom of the large drum gear 5, and it is transmitted through the small drum gear 7. A motor 8 is provided on the side of the small drum gear 7, and it is driven by the motor 8. Specifically, the large drum gear 5 is vertically arranged on the end face of the old belt reel 6, and it is driven by the small drum gear 7 to ensure that the old belt 6a can be quickly collected onto the old belt reel 6, and the small drum gear 7 drives the old belt reel 6 to rotate unidirectionally through meshing, and the motor 8 serves as the only power source of this device.

[0021] Specifically, the drum gear 5 is mainly used for the old belt drum 6 driving structure, the gear meshing teeth are perpendicular to the drum end face, and the old belt drum 6 shaft support adopts a sliding bearing with excellent load capacity.

[0022] A support frame 9 is provided below the old belt reel 6, and the support frame 9 can fix the new and old belts in suitable positions, with the new belt in front and the old belt in the back, so that the old belt can be pulled out while the new belt is replaced, effectively saving maintenance time; specifically, the support frame 9 includes a plate body 9a, and a first support rod 9b and a second support rod 9c are vertically provided above the plate body 9a, and the two are connected by a cross bar 9, the first support rod 9b is rotatably connected to the new belt reel 4, and the second support rod 9c is rotatably connected to the old belt reel 6.

[0023] In addition, a parallel redirecting roller 10 is provided at the bottom of the cross bar 9d, and the old belt 6a is transmitted to the old belt reel 6 by the parallel redirecting roller 10. The purpose of setting the parallel redirecting roller 10 is that it can effectively separate the new and old belts, ensuring that the new belt reel 4 and the old belt reel 6 can rotate in opposite directions without affecting each other. At the same time, the parallel redirecting roller 10 is installed below the old belt 6a, opposite to the force direction, which can effectively improve the belt support effect.

[0024] Before the belt replacement operation, it is necessary to manually use a fall chain to lift the belt conveyor weight to relax the originally tensioned belt of the belt conveyor, so that the belt at the tail redirection roller 2 is disengaged from the roller and no longer fits, and then the old belt 6a is manually disconnected; during the belt replacement operation, the utility model is set at the tail of the belt conveyor, the old belt 6a is disconnected from the tail, the new belt 4a is fixed to the upper belt 1, and the old belt 6a is fixed to the lower belt 12, and the old belt reel 6a is externally driven to quickly store the old belt, and the first drive roller of the belt conveyor is used for slow transmission, so that the new belt 4a is installed in place at one time, and the old belt 6a is synchronously pulled out to ensure the safety and efficiency of the belt replacement operation.

Claims

1. A belt conveyor belt replacement device, characterized in that: The invention comprises an upper belt (1), a redirecting roller (2) is provided below the upper belt (1), a new belt reel (4) is provided on the side of the redirecting roller (2), the new belt reel (4) is rolled up with a new belt (4a), the upper belt (1) is connected to the new belt (4a) via a first fixed clamping plate (3), a lower belt (12) is provided below the redirecting roller (2), an old belt reel (6) is provided on the side of the new belt reel (4), the old belt reel (6) is rolled up with an old belt (6a), the lower belt (12) is connected to the old belt (6a) via a second fixed clamping plate (11), a large reel gear (5) is provided on the outer side of the old belt reel (6), and the old belt reel is driven by the large reel gear (5), a small reel gear (7) is provided at the bottom of the large reel gear (5), and the old belt reel is driven by the small reel gear (7), and a support frame (9) is provided below the old belt reel (6).

2. A belt conveyor belt replacement device according to claim 1, characterized in that: A motor (8) is provided on the side of the reel pinion (7), and the reel pinion (7) is driven by the motor (8).

3. A belt conveyor belt replacement device according to claim 1, characterized in that: The support frame (9) comprises a plate body (9a), and a first support rod (9b) and a second support rod (9c) are vertically arranged above the plate body (9a), and the two are connected via a cross rod (9d), the first support rod (9b) is rotationally connected to the new belt reel (4), and the second support rod (9c) is rotationally connected to the old belt reel (6).

4. A belt conveyor belt replacement device according to claim 3, characterized in that: A parallel redirecting roller (10) is provided at the bottom of the crossbar (9d), and the old belt (6a) is transmitted to the old belt reel (6) by the parallel redirecting roller (10).

5. A belt conveyor belt replacement device according to claim 1, characterized in that: The upper belt (1) and the lower belt (12) are arranged in parallel.

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