Elastic buffer type belt carrier roller device

Abstract

The utility model relates to an elastic buffering type belt carrier roller device which comprises a coal falling guide groove, a conveying belt, a carrier roller set, a horizontal beam, a square frame, a supporting guide rod, a limiting nut and a buffering spring I. A supporting plate is arranged below the square frame, the lower end of the supporting guide rod penetrates through the square frame to be fixed to the supporting plate, and the carrier roller set comprises a middle carrier roller and side carrier rollers. A connecting hinge is arranged between the middle carrier roller and the side carrier roller, a supporting plate is fixed to the bottom of the supporting plate, a guide plate is fixed to the bottom of the supporting plate, a supporting shaft at the upper end of the side carrier roller penetrates through the guide plate to be connected with a limiting nut, and a second buffering spring is arranged on the supporting shaft of the side carrier roller below the limiting nut in a sleeving mode. The guide plates and the second buffer springs are arranged on the supporting shafts of the side carrier rollers of the carrier roller set, the supporting guide rods and the first buffer springs are arranged on the supporting plates connected to the upper portions of the guide plates, the damping and buffering effects of the carrier roller set are improved, and damage to a conveying belt and the supporting rollers caused by coal falling is prevented.

Description

Technical Field

[0001] The utility model relates to an elastic buffer type belt roller device, belonging to the technical field of coal unloading equipment. Background Art

[0002] When transporting coal in thermal power plants or coal mining plants, bucket wheel stackers are needed to transport the coal to the required coal stacking location. The coal dropped from the center bucket of the bucket wheel stacker will be transported out through the conveyor belt. However, the support rollers under the current conveyor belt are hard-connected. After the coal falls, the impact force on the conveyor belt and the support roller is relatively large, which can easily cause damage to the conveyor belt and the support roller. Utility Model Content

[0003] The utility model provides an elastic buffer belt roller device, which solves the problem that the supporting roller under the current conveyor belt is hard-connected, the impact force on the conveyor belt and the supporting roller is large after the falling coal falls, and the conveyor belt and the supporting roller are easily damaged.

[0004] The utility model relates to an elastic buffer type belt roller device, comprising a coal dropping guide trough arranged below the central hopper of a bucket wheel stacker and reclaimer, a conveying belt is arranged below the coal dropping guide trough, a roller group is arranged below the conveying belt, horizontal beams are arranged on both sides of the coal dropping guide trough, a square frame is fixed on the bottom of the horizontal beam, a supporting guide rod is arranged in the square frame, a limiting nut is arranged on the top of the supporting guide rod, a buffer spring 1 is arranged on the supporting guide rod below the limiting nut, a supporting plate is arranged below the square frame, the lower end of the supporting guide rod passes through the square frame and is fixed to the supporting plate, the roller group comprises a middle roller and side rollers, a connecting hinge is arranged between the middle roller and the side rollers, a supporting plate is fixed on the bottom of the supporting plate, a guide plate is fixed on the bottom of the supporting plate, the upper end supporting shaft of the side roller passes through the guide plate and is connected with a limiting nut, and a buffer spring 2 is sleeved on the supporting shaft of the side roller below the limiting nut.

[0005] As a preferred embodiment, the coal dropping guide chute and the horizontal beam are fixedly connected by a fixing plate.

[0006] As a preferred embodiment, the bottom end of the support guide rod passes through the top of the support plate and is connected with a locking nut, which can facilitate the installation and replacement of the buffer spring and the support guide rod. The inner side of the support plate is provided with a fixed flange wrapped on the inner wall of the support plate, and the fixed flange and the bottom of the support plate are both provided with locking bolts. The roller group can be easily installed and replaced.

[0007] As a preferred embodiment, a wear-resistant rubber plate is provided on the outer side of the bottom of the coal-dropping guide chute, and the upper part of the wear-resistant rubber plate is fixed on the coal-dropping guide chute to reduce leakage of dropped coal.

[0008] As a preferred embodiment, a slide plate arranged along the front-to-back direction is fixed on the lower outer wall of the coal guide chute, and an inverted T-shaped slide plate with an opening facing outward is provided on the slide plate, a sliding block is provided in the slide, a locking screw is fixed on the sliding block, a connecting plate is fixed on the outer side of the wear-resistant rubber plate, and the outer end of the locking screw passes through the connecting plate and is connected to a locking nut, so that the position of the wear-resistant rubber plate can be adjusted along the front-to-back direction, so as to better reduce the leakage of the falling coal and facilitate the replacement of the wear-resistant rubber plate.

[0009] The utility model has the following beneficial effects:

[0010] A guide plate and two buffer springs are arranged on the support shafts of the side rollers of the roller group, and then a support guide rod and one buffer spring are arranged on the support plate connected above the guide plate, so as to increase the shock-absorbing and buffering effect of the roller group and prevent the conveyor belt and the roller group from being damaged by falling coal. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the side structure of a square frame;

[0013] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0014] In the figure: 1. center hopper; 2. horizontal beam; 3. fixed plate; 4. limit nut; 5. buffer spring one; 6. support plate; 7. limit nut; 8. buffer spring two; 9. guide plate; 10. support plate; 11. side rollers; 12. connecting hinge; 13. middle rollers; 14. conveyor belt; 15. wear-resistant rubber plate; 16. connecting plate; 17. slide plate; 18. coal falling guide trough; 19. square frame; 20. locking nut; 21. support guide rod; 22. slider; 23. locking nut; 24. locking screw. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with embodiments.

[0016] Embodiment 1, as Figure 1 and Figure 3As shown, the utility model is an elastic buffer belt roller device, comprising a coal guide trough 18 arranged below the central hopper 1 of the bucket wheel stacker and reclaimer, a conveying belt 14 is arranged below the coal guide trough 18, a roller group is arranged below the conveying belt 14, horizontal beams 2 are arranged on both sides of the coal guide trough 18, a square frame 19 is fixed at the bottom of the horizontal beam 2, a support guide rod 21 is arranged in the square frame 19, a limiting nut 4 is arranged on the top of the support guide rod 21, and a buffer elastic Spring 5, a support plate 6 is provided below the square frame 19, the lower end of the support guide rod 21 passes through the square frame 19 and is fixed to the support plate 6, the roller group includes a middle roller 13 and a side roller 11, a connecting hinge 12 is provided between the middle roller 13 and the side roller 11, a support plate 10 is fixed to the bottom of the support plate 6, a guide plate 9 is fixed to the bottom of the support plate 10, the upper end support shaft of the side roller 11 passes through the guide plate 9 and is connected with a limiting nut 7, and a buffer spring 8 is sleeved on the support shaft of the side roller 11 below the limiting nut 7.

[0017] During operation, the coal taken by the bucket wheel stacker and reclaimer falls from the central hopper 1, then enters the coal dropping guide chute 18, and then falls onto the conveyor belt 14 moving downward. At this time, the falling coal will have a downward impact force on the conveyor belt 14. At this time, the conveyor belt 14 will stick to the roller group, and the roller group will move downward. At this time, the side roller 11 will move downward along its axial direction, and the buffer spring 2 8 will perform shock absorption and buffering. The downward movement of the roller group will bring the support plate 6 downward, and the buffer spring 1 5 will perform shock absorption and buffering to reduce the impact on the conveyor belt 14 and the roller group.

[0018] Embodiment 2, based on embodiment 1, the coal guide chute 18 and the horizontal beam 2 are fixedly connected via a fixing plate 3.

[0019] The bottom end of the support guide rod 21 passes through the top of the support plate 6 and is connected to a locking nut 20. The inner side of the support plate 10 is provided with a fixed flange wrapped on the inner wall of the support plate 6. The fixed flange and the bottom of the support plate 10 are both provided with locking bolts. When the buffer spring 5 is damaged, the limit nut 4 can be unscrewed for replacement. When the support guide rod 21 is severely worn and needs to be replaced, the limit nut 4 and the locking nut 20 can be unscrewed, and the support guide rod 21 can be removed for replacement.

[0020] A wear-resistant rubber plate 15 is provided on the outer side of the bottom of the coal-falling guide chute 18 , and the upper part of the wear-resistant rubber plate 15 is fixed on the coal-falling guide chute 18 .

[0021] A chute plate 17 arranged in the front-to-back direction is fixed on the lower outer wall of the coal guide chute 18, and an inverted T-shaped chute with an opening facing outward is provided on the chute plate 17, a slider 22 is provided in the chute, a locking screw 24 is fixed on the slider 22, a connecting plate 16 is fixed on the outer side of the wear-resistant rubber plate 15, and the outer end of the locking screw 24 passes through the connecting plate 16 and is connected to a locking nut 23. When installing the wear-resistant rubber plate 15, the slider 22 can be placed in the T-shaped chute of the chute plate 17, and then the connecting plate 16 is installed on the outer end of the locking screw 24, and then the locking nut 23 is screwed on, and then the slider 22 can be moved in the front-to-back direction as needed to adjust the front-to-back position of the wear-resistant rubber plate 15, and the locking nut 23 is tightened after adjustment.

[0022] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0023] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. An elastic buffer belt roller device, comprising a coal guide chute (18) arranged below a central hopper (1) of a bucket wheel stacker and reclaimer, a conveyor belt (14) arranged below the coal guide chute (18), a roller group arranged below the conveyor belt (14), and horizontal beams (2) arranged on both sides of the coal guide chute (18), characterized in that: A square frame (19) is fixed at the bottom of the horizontal beam (2), a support guide rod (21) is arranged in the square frame (19), a limit nut (4) is arranged at the top of the support guide rod (21), a buffer spring (5) is arranged on the support guide rod (21) below the limit nut (4), a support plate (6) is arranged below the square frame (19), the lower end of the support guide rod (21) passes through the square frame (19) and is fixed to the support plate (6), and the roller group includes an intermediate The roller (13) and the side roller (11), a connecting hinge (12) is provided between the middle roller (13) and the side roller (11), a support plate (10) is fixed at the bottom of the support plate (6), a guide plate (9) is fixed at the bottom of the support plate (10), the upper end support shaft of the side roller (11) passes through the guide plate (9) and is connected to a limiting nut (7), and a buffer spring (8) is sleeved on the support shaft of the side roller (11) below the limiting nut (7).

2. The elastic buffer belt roller device according to claim 1, characterized in that: The coal-falling guide chute (18) and the horizontal beam (2) are fixedly connected via a fixing plate (3).

3. The elastic buffer belt roller device according to claim 1, characterized in that: The bottom end of the support guide rod (21) passes through the top of the support plate (6) and is connected to a locking nut (20); the inner side of the support plate (10) is provided with a fixed flange wrapped around the inner wall of the support plate (6); and the bottom of the fixed flange and the support plate (10) are both provided with locking bolts.

4. The elastic buffer belt roller device according to claim 1, characterized in that: A wear-resistant rubber plate (15) is arranged on the outer side of the bottom of the coal-falling guide chute (18), and the upper part of the wear-resistant rubber plate (15) is fixed on the coal-falling guide chute (18).

5. The elastic buffer belt roller device according to claim 4, characterized in that: A chute plate (17) arranged in the front-to-back direction is fixed on the lower outer wall of the coal guide chute (18); an inverted T-shaped chute opening outward is provided on the chute plate (17); a slider (22) is provided in the chute; a locking screw (24) is fixed on the slider (22); a connecting plate (16) is fixed on the outer side of the wear-resistant rubber plate (15); the outer end of the locking screw (24) passes through the connecting plate (16) and is connected to a locking nut (23).

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