A chain and bucket conveyor dust raising device

By designing a motor-driven turntable and scraper system on the chain bucket conveyor, combined with a multi-angle spray dust suppression component, the problem of residual dust during the return trip of the hopper was solved, realizing the cleaning and dust control inside the hopper, and improving the stability of the equipment and the cleanliness of the environment.

CN224298419UActive Publication Date: 2026-05-29QIANJIANG HENGYING THERMAL POWER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QIANJIANG HENGYING THERMAL POWER CO LTD
Filing Date
2025-08-11
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The existing dust control devices for chain bucket conveyors are difficult to effectively clean during the return trip of the buckets, resulting in residual material being stirred up and causing secondary dust pollution, which affects the stable operation of the equipment.

Method used

A dust suppression device for a chain bucket conveyor was designed. It uses a motor-driven turntable to drive a rotating column, and a sliding frame and scraper to clean the inner wall of the hopper. Combined with a multi-angle spray dust suppression component, it can achieve comprehensive cleaning and dust control inside the hopper.

Benefits of technology

It effectively removes residual materials inside the hopper, reduces secondary dust pollution, improves the stability of the conveyor, and improves the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of conveying machinery discloses a chain bucket conveyor dust raising device, including the fender, the similar side rotationally connected with two sprocket of two fender, the outer wall of two sprocket is equipped with two chains, the similar side fixedly connected with a plurality of hoppers of two chains, the rear side fixedly connected with motor no.
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Description

Technical Field

[0001] This utility model relates to the field of conveying machinery technology, and in particular to a dust suppression device for a chain bucket conveyor. Background Technology

[0002] A chain bucket conveyor is a device that uses a chain to continuously drive buckets to transport bulk materials such as ores, sand, and grains. When it is working, the buckets are filled with material and move with the chain. When they reach the unloading point, they are overturned and dumped. The material falls due to the drop, which easily stirs up the surrounding air and forms an airflow, causing fine particles to be raised and forming dust. This dust not only pollutes the environment and endangers the health of workers, but also requires dust control devices to control the spread of dust and ensure production safety and environmental cleanliness.

[0003] A search revealed Chinese patent document publication number CN215556590U, which discloses a dust suppression device for a chain bucket conveyor. The chain bucket conveyor mainly consists of buckets, a traction chain, a drive unit, a tensioning device, a frame, and auxiliary components. The buckets are used to carry materials, the traction chain connects to and drives the buckets to circulate, the drive unit provides power to drive the chain movement, the tensioning device ensures smooth operation by adjusting the chain tension, the frame supports the overall structure, and the auxiliary components are used to guide material flow, reduce spillage, and protect the equipment.

[0004] The aforementioned patent mentions the beneficial effects of "effectively shaking and separating dust and impurities in the transported materials. Because dust and other impurities are relatively light, they can effectively enter the collection box, thereby improving the transportation environment." Although the above solution can solve the problem, in the existing technology, some chain bucket conveyor dust-raising devices are difficult to effectively clean the inside of the hopper during the return trip. The material remaining inside the hopper will fall off and be raised during the return trip due to vibration, airflow, and other factors, forming secondary dust pollution. This will not only lead to an increase in dust concentration in the working environment, but also aggravate component wear and affect the stable operation of the conveyor. Therefore, a chain bucket conveyor dust-raising device is proposed to solve the above problems, and an environmentally friendly component spraying booth is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a dust control device for chain bucket conveyors, which aims to improve the problem that some hoppers are difficult to clean effectively in the prior art, thus affecting the stable operation of the conveyor.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A dust suppression device for a chain bucket conveyor includes protective plates. Two sprockets are rotatably connected to adjacent sides of the two protective plates. Two chains are sleeved on the outer walls of the two sprockets. Multiple hoppers are fixedly connected to adjacent sides of the two chains. A motor is fixedly connected to the rear side of each hopper. A turntable is fixedly connected to the drive end of the motor. A rotating column is fixedly connected to the front side of the turntable. Two limiting rods are fixedly connected to the inner wall of each hopper. A sliding frame is slidably connected to the outer wall of the two limiting rods. Two connecting blocks are fixedly connected to the front side of the sliding frame. Scrapers are fixedly connected to the front side of the two connecting blocks. The outer wall of the rotating column contacts the inner wall of the sliding frame. A dust suppression component for swing spraying dust removal is provided at the top of the protective plates.

[0008] As a further description of the above technical solution:

[0009] The dust suppression assembly includes a support plate, the bottom end of which is fixedly connected to the top end of the protective plate, and a motor is fixedly connected to one of the two support plates on adjacent sides.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the hopper has two sliding grooves, and the outer wall of the connecting block is slidably connected to the inner wall of the sliding grooves;

[0012] As a further description of the above technical solution:

[0013] Two springs are sleeved on the outer wall of the limiting rod, and the adjacent sides of the multiple springs are fixedly connected to the outer wall of the sliding frame;

[0014] As a further description of the above technical solution:

[0015] The opposite sides of the plurality of springs are fixedly connected to the inner wall of the hopper, and the rear side of the scraper is in contact with the outer wall of the hopper;

[0016] As a further description of the above technical solution:

[0017] The drive end of the second motor is fixedly connected to a rotating arm, and the rear side of the rotating arm is rotatably connected to a rotating arm.

[0018] As a further description of the above technical solution:

[0019] The inner wall of the support plate is rotatably connected to a swing arm, and the rear side of the second swing arm is rotatably connected to the outer wall of the swing arm.

[0020] As a further description of the above technical solution:

[0021] A connecting plate is fixedly connected to one of the adjacent sides of each of the two swing arms, and two nozzles are fixedly connected to one of the adjacent sides of each of the two connecting plates.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the motor drives the turntable and rotating column to rotate, and the rotating column drives the sliding frame to slide back and forth along the limit rod. The sliding frame drives the scraper to work through the connecting block, thereby cleaning the residual material inside the hopper, avoiding secondary dust pollution caused by material falling off due to vibration and airflow during the return process, while reducing the wear of equipment parts and improving the stability of the conveyor.

[0024] 2. In this utility model, with the cooperation of the second motor, the first rotating arm, the second rotating arm and the swing arm, the nozzle swings back and forth with the connecting plate to improve the problem of limited dust suppression range at a single angle, expand the dust suppression coverage area, enhance the overall dust control effect, ensure the stable operation of the conveyor and improve the working environment. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a dust-generating device for a chain bucket conveyor proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the hopper of a dust-generating device for a chain bucket conveyor proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the scraper structure of a dust-generating device for a chain bucket conveyor proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the sliding frame of a dust-generating device for a chain bucket conveyor proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the support plate of the dust-generating device for a chain bucket conveyor proposed in this utility model.

[0030] Legend:

[0031] 1. Protective plate; 2. Sprocket; 3. Chain; 4. Hopper; 5. Motor 1; 6. Turntable; 7. Rotating column; 8. Limiting rod; 9. Sliding frame; 10. Connecting block; 11. Scraper; 12. Spring; 13. Slide groove; 14. Support plate; 15. Motor 2; 16. Rotating arm 1; 17. Rotating arm 2; 18. Swing arm; 19. Connecting plate; 20. Nozzle. Detailed Implementation

[0032] 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.

[0033] Reference Figures 1 to 3 This utility model provides an embodiment of a dust suppression device for a chain bucket conveyor, including a protective plate 1. The protective plate 1 is used to protect the internal transmission structure. Two sprockets 2 are rotatably connected to the adjacent sides of the two protective plates 1. The sprockets 2 are transmission components that drive the chain 3 to move by rotating. Two chains 3 are sleeved on the outer walls of the two sprockets 2. The chains 3 mesh with the sprockets 2 to form a closed transmission path to drive the hopper 4 to move cyclically. Multiple hoppers 4 are fixedly connected to the adjacent sides of the two chains 3. The hoppers 4 are used to load materials and convey them under the drive of the chains 3. A motor 5 is fixedly connected to the rear side of the hopper 4. The motor 5 is a power source that provides power to drive the turntable 6 to rotate. The drive end of the motor 5 is fixedly connected to the turntable 6. The turntable 6 makes a circular motion under the drive of the motor 5. A rotating column 7 is fixedly connected to the circumferential side of the turntable 6. The rotating column 7 rotates with the turntable 6. At the same time, the rotating column 7 slides in the through groove opened on the sliding frame 9. At this time, the rotating column 7 pushes the sliding frame 9 to move back and forth in the vertical direction.

[0034] Two limiting rods 8 are fixedly connected to the inner wall of the hopper 4. The limiting rods 8 provide a vertical sliding track for the sliding frame 9 and limit its movement direction. The sliding frame 9 is slidably connected to the outer wall of the two limiting rods 8. The sliding frame 9 can slide along the limiting rods 8. When the sliding frame 9 slides upward, it drives the scraper 11 to clean the inside of the hopper 4. Two connecting blocks 10 are fixedly connected to the front side of the sliding frame 9. The connecting blocks 10 are used to connect the sliding frame 9 and the scraper 11 to transmit the movement. The scraper 11 is fixedly connected to the front side of the two connecting blocks 10. The scraper 11 is frame-shaped and fits tightly against the inside of the hopper 4 under the action of the sliding frame 9 to clean the dust attached to the inside of the hopper 4.

[0035] The outer wall of the rotating column 7 contacts the inner wall of the sliding frame 9. When the rotating column 7 rotates from the top position of the turntable 6 to the bottom position of the turntable 6, the rotating column 7 slides on the inner wall of the sliding frame 9. At the same time, the rotating column 7 drives the sliding frame 9 to move downward, and the scraper 11 scrapes downward. When the rotating column 7 rotates from the bottom position of the turntable 6 to the top position of the turntable 6, the rotating column 7 slides on the inner wall of the sliding frame 9. At the same time, the rotating column 7 drives the sliding frame 9 to move upward, and the scraper 11 scrapes upward. During the entire movement, the sliding frame 9 slides vertically along the limit rod 8. The top of the protective plate 1 is provided with a dust suppression component for swing spraying dust removal. The dust suppression component achieves multi-angle dust cleaning through swinging motion.

[0036] Reference Figure 2 and Figure 4 The dust suppression component includes a support plate 14, which provides a support structure for the dust suppression component. The bottom end of the support plate 14 is fixedly connected to the top end of the protective plate 1. The support plate 14 is fixed to the protective plate 1 to ensure structural stability. Motor 2 15 is fixedly connected to the adjacent side of the two support plates 14. Motor 2 15 provides power to the dust suppression component and drives the rotating arm 16 to rotate.

[0037] Reference Figures 2 to 4 Two grooves 13 are provided on the outer wall of the hopper 4. The grooves 13 provide a sliding track for the connecting block 10, limiting its range of motion. The outer wall of the connecting block 10 is slidably connected to the inner wall of the groove 13. The connecting block 10 slides in the groove 13, so that the scraper 11 moves with the sliding frame 9. Two springs 12 are sleeved on the outer wall of the limiting rod 8. The springs 12 are sleeved on the limiting rod 8 to provide elastic restoring force for the sliding frame 9. The adjacent sides of the multiple springs 12 are fixedly connected to the outer wall of the sliding frame 9. One end of the spring 12 is fixed to the sliding frame 9, and the other end is fixed to the inner wall of the hopper 4. The distant sides of the multiple springs 12 are fixedly connected to the inner wall of the hopper 4. The springs 12 make the scraper 11 move smoothly during the vertical reciprocating motion through elastic deformation. The outer wall of the scraper 11 is in contact with the inside of the hopper 4. During the return stroke of the hopper, the scraper 11 can scrape the four sides inside the hopper 4 at the same time, thereby achieving dust cleaning.

[0038] A rotating arm 16 is fixedly connected to the drive end of motor 2 15. The rotating arm 16 moves in a circular motion under the drive of motor 2 15. A rotating arm 2 17 is rotatably connected to the rear side of the rotating arm 16. The rotating arm 2 17 is hinged to the rotating arm 16. The rotating arm 16 converts the circular motion into the reciprocating motion of the rotating arm 2 17. A swing arm 18 is rotatably connected to the inner wall of the support plate 14. The swing arm 18 can rotate around the support plate 14 to adjust the spray angle. The rear side of the rotating arm 2 17 is rotatably connected to the outer wall of the swing arm 18. The rotating arm 2 17 pushes the swing arm 18 to swing around the fulcrum. A connecting plate 19 is fixedly connected to the adjacent side of the two swing arms 18. The connecting plate 19 connects the swing arm 18 to the nozzle 20. The swing arm 18 can be driven to swing synchronously by the connecting plate 19 and the nozzle 20. Two nozzles 20 are fixedly connected to the adjacent side of the two connecting plates 19. The nozzles 20 achieve multi-angle reciprocating spray dust suppression through the swing of the swing arm 18.

[0039] Working principle: Motor 5 drives turntable 6 to rotate, and turntable 6 drives rotating column 7 to make circular motion. When rotating column 7 rotates from the top position of turntable 6 to the bottom position, it pushes sliding frame 9 to slide vertically downward along the limiting rod 8 on the inner wall of hopper 4. At this time, among the springs 12 sleeved on the outer wall of the limiting rod 8, the spring 12 near the lower part of sliding frame 9 is compressed and the spring 12 above is stretched. The connecting block 10 on the front side of sliding frame 9 slides downward synchronously in the sliding groove 13 on the outer wall of hopper 4, thereby driving scraper 11 to move downward along the inner wall of hopper 4. During the downward movement, scraper 11 closely adheres to the inner wall of hopper 4, scraping off the attached residual material and dust. When rotating column 7 rotates from the top position of turntable 6 to the bottom position, it pushes sliding frame 9 to slide vertically downward along the limiting rod 8 on the inner wall of hopper 4. When the bottom of the disc 6 rotates to the top, the rotating column 7 pushes the sliding frame 9. At the same time, the compressed spring 12 on the limiting rod 8 returns to its original length and the stretched spring 12 returns to its original length, which together make the sliding frame 9 slide vertically upward along the limiting rod 8. The connecting block 10 slides upward synchronously in the sliding groove 13, which drives the scraper 11 to move upward along the inner wall of the hopper 4. The scraper 11 continues to stick to the inner wall for secondary scraping. Through such up and down reciprocating motion, the scraper 11 fully covers the four sides of the hopper 4, effectively preventing residual materials from falling off and causing secondary pollution during the return trip.

[0040] Motor 2 15 drives rotating arm 1 16 to perform circular motion. Rotating arm 1 16 drives rotating arm 2 17 to move synchronously. When rotating arm 2 17 rotates from the position behind the support plate 14 to the position in front of the support plate 14, the end of rotating arm 2 17 pushes swing arm 18 to swing forward around the inner wall of the support plate 14. Swing arm 18 drives connecting plate 19 to swing forward synchronously. The nozzle 20 on the connecting plate 19 swings forward with it, expanding the spray coverage area and spraying dust near the hopper 4 to reduce dust. Conversely, when rotating arm 2 17 rotates from the position in front of the support plate 14 to the position behind the support plate 14, rotating arm 2 17 pulls swing arm 18 to swing backward around the inner wall of the support plate 14. Connecting plate 19 and nozzle 20 swing backward with it. Through the reciprocating swing spray of nozzle 20, comprehensive dust reduction treatment of dust in different positions is achieved.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dust suppression device for a chain bucket conveyor, comprising a protective plate (1), characterized in that: Two sprockets (2) are rotatably connected to the adjacent side of the two protective plates (1). Two chains (3) are sleeved on the outer wall of the two sprockets (2). Multiple hoppers (4) are fixedly connected to the adjacent side of the two chains (3). A motor (5) is fixedly connected to the rear side of the hopper (4). A turntable (6) is fixedly connected to the drive end of the motor (5). A rotating column (7) is fixedly connected to the circumferential surface of the turntable (6). Two limiting rods (8) are fixedly connected to the inner wall of the hopper (4). A sliding frame (9) is slidably connected to the outer side of the two limiting rods (8). Two connecting blocks (10) are fixedly connected to one side of the sliding frame (9). A scraper (11) is fixedly connected to the front side of the two connecting blocks (10). The rotating column (7) is slidably engaged in the through groove in the middle of the sliding frame (9). A dust suppression component for swing spraying dust removal is provided at the top of the protective plate (1).

2. The dust suppression device for a chain bucket conveyor according to claim 1, characterized in that: The dust suppression assembly includes a support plate (14), the bottom end of which is fixedly connected to the top end of the protective plate (1), and a motor (15) is fixedly connected to one of the two support plates (14) on the adjacent side.

3. The dust suppression device for a chain bucket conveyor according to claim 1, characterized in that: The outer wall of the hopper (4) has two grooves (13), and the outer wall of the connecting block (10) is slidably connected to the inner wall of the grooves (13).

4. A dust suppression device for a chain bucket conveyor according to claim 2, characterized in that: Two springs (12) are sleeved on the outer wall of the limiting rod (8), and the adjacent sides of the multiple springs (12) are fixedly connected to the outer wall of the sliding frame (9).

5. A dust suppression device for a chain bucket conveyor according to claim 4, characterized in that: The opposite sides of the multiple springs (12) are fixedly connected to the inner wall of the hopper (4), and the scraper (11) is frame-shaped and fits against the interior of the hopper (4).

6. A dust suppression device for a chain bucket conveyor according to claim 5, characterized in that: The drive end of the second motor (15) is fixedly connected to the first rotating arm (16), and the rear side of the first rotating arm (16) is rotatably connected to the second rotating arm (17).

7. A dust suppression device for a chain bucket conveyor according to claim 6, characterized in that: The inner wall of the support plate (14) is rotatably connected to a swing arm (18), and the rear side of the second rotating arm (17) is rotatably connected to the outer wall of the swing arm (18).

8. A dust suppression device for a chain bucket conveyor according to claim 7, characterized in that: A connecting plate (19) is fixedly connected to one side of each of the two swing arms (18), and two nozzles (20) are fixedly connected to one side of each of the two connecting plates (19).