Coal chute unblocking device

By driving the drive motor to link the drive gear and scraper, the efficient removal of coal slag in the coal chute is achieved, solving the problems of large space occupation and secondary ash accumulation in existing devices, and ensuring the continuity and stability of coal transportation.

CN224361853UActive Publication Date: 2026-06-16HUNAN XIANGHENG SALT CHEM

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUNAN XIANGHENG SALT CHEM
Filing Date
2025-05-07
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing coal chute unblocking devices occupy a lot of space inside the pipe during use, and are prone to causing secondary ash accumulation after cleaning.

Method used

A blockage removal device was designed, comprising a drive motor, a drive gear, a guide rail, a toothed ring, a belt, and a scraper. The drive motor drives the drive gear to rotate, and the belt links the toothed ring and the scraper to rotate synchronously, scraping off the coal slag on the inner surface of the coal chute. The scraper has a small cross-section and is arranged longitudinally to avoid secondary ash accumulation.

Benefits of technology

This effectively reduces the space occupied by the unblocking device in the pipeline during use and avoids the problem of secondary ash accumulation after cleaning, ensuring the continuous and stable transportation of coal.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224361853U_ABST
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Abstract

The utility model relates to the field of coal drop pipe, especially fall coal pipe unblocking device, including coal drop pipe body, still including base, drive motor, drive gear, guide rail, gear ring, belt, scraper and apron, the outer surface of coal drop pipe body is installed with two bases, the right position of base's bottom surface is installed with drive motor, the output of drive motor is connected with drive gear and penetrates the bottom of base, the right position of base's inner surface bottom is installed with guide rail, the upper surface sliding of guide rail is connected with gear ring, the utility model discloses a drive motor is set, and its output can drive drive gear to rotate when working, and drive gear can drive gear ring to rotate when rotating with the cooperation of belt, and gear ring will drive scraper to rotate synchronously when rotating, thereby making the scraper can scrape the coal cinder that adheres in coal drop pipe body inner surface, and the built -in scraper itself section is small, and is arranged vertically, and will not cause secondary dust accumulation.
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Description

Technical Field

[0001] This utility model relates to the field of coal chutes, and in particular to a coal chute unblocking device. Background Technology

[0002] The coal chute unblocking device is a specialized piece of equipment used to solve the problem of coal chute blockage in coal conveying systems. It is mainly used in the coal conveying process in thermal power plants, coal mines, ports and other fields. During long-term operation, the coal chute is prone to blockage due to damp coal powder, high viscosity or impurities, which affects the conveying efficiency and may even cause shutdown. This device can quickly remove coal deposits or lumps from the pipe wall through mechanical vibration, pneumatic unblocking, rotary cutting or hydraulic push rod, so as to ensure continuous and stable coal conveying.

[0003] Existing coal chute unblocking devices occupy a significant amount of space inside the pipe during use, which not only affects the normal flow of coal but also easily leads to coal dust accumulation and secondary ash buildup after cleaning due to the protruding structure of the device. In addition, the remaining mechanical parts of the device can alter the airflow field inside the pipe, exacerbating dust adsorption and potentially creating new blockage points after long-term operation, requiring frequent maintenance.

[0004] Therefore, given that the existing coal chute unblocking devices occupy a lot of space inside the pipe during use and are prone to secondary ash accumulation after cleaning, there is an urgent need to design a new type of coal chute unblocking device. Utility Model Content

[0005] In order to overcome the problem that existing coal chute unblocking devices occupy too much space inside the pipe during use and are prone to secondary ash accumulation after cleaning.

[0006] The technical solution of this utility model is as follows: a coal chute unblocking device, including a coal chute body; it also includes a base, a drive motor, a drive gear, a guide rail, a gear ring, a belt, scrapers, and a cover plate. Two bases are installed on the outer surface of the coal chute body. A drive motor is installed on the bottom surface of the base near the right. The output end of the drive motor passes through the bottom of the base and is connected to the drive gear. A guide rail is installed on the bottom right of the inner surface of the base. A gear ring is slidably connected to the upper surface of the guide rail. A belt is fitted on the outer surface of the drive gear and the gear ring. Two symmetrical scrapers are installed on the inner surface of the gear ring. A cover plate is installed on the upper surface of the base.

[0007] Preferably, by setting a drive motor, its output end can drive the drive gear to rotate during operation. When the drive gear rotates, it cooperates with the belt to drive the gear ring to rotate. When the gear ring rotates, it drives the scraper to rotate synchronously, so that the scraper can scrape off the coal slag adhering to the inner surface of the coal chute body. The built-in scraper itself has a small cross-section and is arranged longitudinally, so it will not cause secondary ash accumulation. This solves the problem that the existing coal chute unblocking device occupies a lot of space inside the pipe during use and is prone to secondary ash accumulation after cleaning.

[0008] Preferably, scraper strips are provided on both the left and right sides of the outer surface of the scraper, and the scraper strips are fixed to the scraper by welding.

[0009] Preferably, a number of fixing screws are provided at the upper edge of the cover plate, and the cover plate is fixed to the base by fixing screws.

[0010] Preferably, a connecting seat is installed on the upper surface of the drive gear, and a rocker arm is connected to the top of the connecting seat through the cover plate. A protective sleeve is fitted on the outer surface of the rocker arm.

[0011] Preferably, the top surface of the connector has a slot, and the bottom surface of the rocker arm has a rod that fits into the slot.

[0012] Preferably, the upper surface of the guide rail is provided with a groove, and the toothed ring is slidably connected to the groove through a slider.

[0013] Preferably, a fixing plate is installed on the lower right side of the outer surface of the coal chute body, and a servo motor is installed on the upper surface of the fixing plate. The output end of the servo motor is connected to a cam.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting up a drive motor, its output end can drive the drive gear to rotate. Through the linkage of the belt, it can drive the gear ring to rotate, thereby driving the scraper to rotate synchronously. This allows the scraper to scrape off the coal slag adhering to the inner surface of the coal chute body. The built-in scraper itself has a small cross-section and is arranged longitudinally, so it will not cause secondary ash accumulation. This solves the problem that the existing coal chute unblocking device occupies a lot of space inside the pipe during use and is prone to secondary ash accumulation after cleaning. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the coal chute unblocking device of this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the cover plate of the coal chute unblocking device of this utility model.

[0018] Figure 3The diagram shown is a three-dimensional structural schematic of the toothed ring of the coal chute unblocking device of this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the guide rail of the coal chute unblocking device of this utility model.

[0020] Figure 5 The diagram shown is a three-dimensional structural schematic of the rocker arm of the coal chute unblocking device of this utility model.

[0021] Figure 6 The diagram shown is a schematic diagram of the cam structure of the coal chute unblocking device of this utility model.

[0022] Explanation of reference numerals in the attached drawings: 1. Coal chute body; 2. Base; 3. Drive motor; 4. Drive gear; 5. Guide rail; 6. Gear ring; 7. Belt; 8. Scraper; 9. Cover plate; 10. Scraper blade; 11. Fixing screw; 12. Connecting seat; 13. Rocker arm; 14. Slot; 15. Insert rod; 16. Sheath; 17. Slide groove; 18. Fixing plate; 19. Servo motor; 20. Cam. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Please see Figures 1-6 This utility model provides an embodiment of a coal chute unblocking device, including a coal chute body 1; it also includes a base 2, a drive motor 3, a drive gear 4, a guide rail 5, a gear ring 6, a belt 7, a scraper 8, and a cover plate 9. Two bases 2 are installed on the outer surface of the coal chute body 1. The drive motor 3 is installed on the bottom surface of the base 2 at the right position. The output end of the drive motor 3 passes through the bottom of the base 2 and is connected to the drive gear 4. The guide rail 5 is installed on the bottom right position of the inner surface of the base 2. The gear ring 6 is slidably connected to the upper surface of the guide rail 5. The drive gear 4 and the gear ring 6 are connected to each other. The outer surface of the base 2 is fitted with a belt 7, and the inner surface of the toothed ring 6 is fitted with two symmetrical scrapers 8. The upper surface of the base 2 is fitted with a cover plate 9. By setting a drive motor 3, the output end of the drive motor 3 can drive the drive gear 4 to rotate during operation. When the drive gear 4 rotates, it cooperates with the belt 7 to drive the toothed ring 6 to rotate. When the toothed ring 6 rotates, it will drive the scraper 8 to rotate synchronously, so that the scraper 8 can scrape off the coal slag adhering to the inner surface of the coal drop pipe body 1. The built-in scraper 8 itself has a small cross section and is arranged longitudinally, so it will not cause secondary ash accumulation.

[0025] Please see Figures 1-6In this embodiment, scraper strips 10 are provided on both the left and right sides of the outer surface of the scraper 8. The scraper strips 10 are fixed to the scraper 8 by welding. By setting the scraper strips 10, the end cross-section is small, which can reduce the resistance between the scraper strips and the inner wall of the coal duct body 1, thereby improving the scraping effect. Several fixing screws 11 are provided at the edge of the upper surface of the cover plate 9. The cover plate 9 is fixed to the base 2 by fixing screws 11. By setting fixing screws 11, the position of the cover plate 9 can be fixed, and the cover plate 9 can be disassembled and assembled, thereby maintaining the internal components. A connecting seat 12 is installed on the upper surface of the drive gear 4. The top of the connecting seat 12 passes through the cover plate 9 and is connected to the rocker arm 13. The outer surface of the rocker arm 13 is covered with a protective sleeve 16. By setting the rocker arm 13 and the connecting seat 12, when the rocker arm 13 is rotated, the connecting seat 12 can drive the drive gear 4 to rotate, thereby realizing the function of manual dust removal.

[0026] Please see Figures 1-6 In this embodiment, a slot 14 is provided on the top surface of the connecting seat 12, and a plug rod 15 is installed on the bottom surface of the rocker arm 13. The plug rod 15 is adapted to the slot 14. By setting the slot 14 and the plug rod 15, it is easy to connect and install the rocker arm 13, which improves convenience. A sliding groove 17 is provided on the upper surface of the guide rail 5. The toothed ring 6 is slidably connected to the sliding groove 17 through a slider. By setting the sliding groove 17, the toothed ring 6 can be positioned, which improves the stability of the toothed ring 6 when rotating. A fixing plate 18 is installed on the lower right side of the outer surface of the coal drop pipe body 1. A servo motor 19 is installed on the upper surface of the fixing plate 18. The output end of the servo motor 19 is connected to a cam 20. By setting the servo motor 19, its output end can drive the cam 20 to rotate during operation. When the cam 20 rotates, it can continuously knock on the coal drop pipe body 1 to assist in the removal of coal slag.

[0027] During operation, the scraper 10, with its smaller end cross-section, reduces resistance between the scraper and the inner wall of the coal chute 1, thereby improving the scraping effect. The fixing screw 11 secures the cover plate 9 and facilitates its disassembly and assembly for maintenance of internal components. The rocker arm 13 and connecting seat 12 allow the connecting seat 12 to drive the drive gear 4 to rotate when the rocker arm 13 is rotated, enabling manual ash removal. The slot 14 and insert 15 facilitate the docking and installation of the rocker arm 13, improving convenience. The slide groove 17 positions the gear ring 6, improving its stability during rotation. The servo motor 19 drives the cam 20 to rotate during operation, continuously striking the coal chute 1 as it rotates to assist in the removal of coal slag.

[0028] Through the above steps, by setting the drive motor 3, its output end can drive the drive gear 4 to rotate. Through the linkage of the belt 7, it can drive the gear ring 6 to rotate, thereby driving the scraper 8 to rotate synchronously. This allows the scraper 8 to scrape off the coal slag adhering to the inner surface of the coal chute body 1. The built-in scraper 8 itself has a small cross-section and is arranged longitudinally, so it will not cause secondary ash accumulation. This solves the problem that the existing coal chute unblocking device occupies a lot of space inside the pipe during use and is prone to secondary ash accumulation after cleaning.

Claims

1. A device for clearing a coal chute, comprising a coal chute body (1); characterized in that: Also include the base (2), drive motor (3), drive gear (4), guide rail (5), gear ring (6), belt (7), scraper (8) and cover plate (9), the outer surface of the coal pipe body (1) is installed with two base (2), the bottom surface of base (2) is installed with drive motor (3) on the right side, the output end of drive motor (3) is connected with drive gear (4) through the bottom of base (2), the inner surface of base (2) is installed with guide rail (5) on the bottom right side, the upper surface of guide rail (5) is connected with gear ring (6) slidingly, drive gear (4) and the outer surface of gear ring (6) are sleeved with belt (7), the inner surface of gear ring (6) is installed with two symmetrical scrapers (8), the upper surface of base (2) is installed with cover plate (9).

2. The coal chute unblocking device according to claim 1, characterized in that: The outer surface of the scraper (8) is provided with a scraping strip (10) on both sides, and the scraping strip (10) is fixed with the scraper (8) by welding.

3. The coal chute unblocking device according to claim 1, characterized in that: The upper surface of the cover plate (9) is provided with a plurality of fixed screws (11) at the edge position, and the cover plate (9) is fixed with the base (2) by the fixed screws (11).

4. The coal chute unblocking device according to claim 1, characterized in that: The upper surface of the drive gear (4) is provided with a connecting seat (12), and the top of the connecting seat (12) is connected with a rocker arm (13) penetrating through the cover plate (9), and the outer surface of the rocker arm (13) is sleeved with a sheath (16).

5. The device according to claim 4, characterized in that: The top surface of the connecting seat (12) is provided with a slot (14), and the bottom surface of the rocker arm (13) is provided with an insertion rod (15), and the insertion rod (15) is matched with the slot (14).

6. The device according to claim 1, characterized in that: The upper surface of the guide rail (5) is provided with a sliding groove (17), and the gear ring (6) is connected with the sliding groove (17) by sliding block.

7. The device according to claim 1, characterized in that: The outer surface of the coal pipe body (1) is installed with a fixed plate (18) on the right side of the lower position, and the upper surface of the fixed plate (18) is installed with a servo motor (19), and the output end of the servo motor (19) is connected with a cam (20).