Coal body falling prevention device for coal conveying equipment

By designing a device to prevent coal from falling into the coal conveying equipment, and using a shielding cloth and hook springs to fix it on the conveyor belt, the problem of coal splashing was solved, and stable coal conveying and safety were improved.

CN223645636UActive Publication Date: 2025-12-09国家能源集团泰州发电有限公司
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Patent Information

Application Number
CN202520279009.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-12-09
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

In existing coal conveying equipment, coal chunks are prone to splashing and falling during high-speed, high-volume coal transportation, resulting in poor conveying quality.

Method used

A device for preventing coal from falling was designed, including a conveying mechanism and a protective mechanism. A shielding cloth is fixed to the conveyor belt by hooks and springs to ensure that the shielding cloth is in close contact with the belt surface and prevent coal from falling.

Benefits of technology

It effectively prevents coal from falling, improves the stability and safety of conveying, and the shielding cloth can be removed and stored at any time, making it flexible in use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a coal body falling prevention device for coal conveying equipment, which comprises a fixed frame, a conveying mechanism for conveying coal briquettes is arranged at the upper end of the fixed frame, the conveying mechanism comprises a plurality of first supports, a supporting roller, a transmission roller and a conveying belt, and the first supports are uniformly and fixedly arranged on two sides of the upper end of the fixed frame. A supporting roller is movably arranged at the upper end of the first support through a rotating shaft, transmission rollers are movably arranged on the two sides of the interior of the fixing frame through rotating shafts, a conveying belt is arranged between the transmission rollers and the supporting roller in a sleeving mode, and a protection mechanism used for preventing the conveyed coal mine from falling off is arranged at the upper end of the conveying belt. According to the utility model, the shielding cloth can be arranged close to the conveying belt, so that the analysis between the conveying belt and the shielding cloth is small, and when coal briquettes fall off, the shielding cloth can effectively stop the coal briquettes back, so that an excellent function of preventing the coal bodies from falling off can be achieved.
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Description

Technical Field

[0001] This utility model relates to the field of coal conveying equipment technology, specifically to a coal conveying equipment anti-coal-body-falling device. Background Technology

[0002] Coal conveying equipment can be used in large power plants, coal chemical plants and other factories. These factories need to crush and reprocess coal blocks during production. The crushed coal blocks will fall onto the coal conveyor belt through the feeding structure, thereby transporting the coal blocks.

[0003] In existing technologies, to ensure conveying quality and prevent coal blocks from falling, V-shaped conveyor belts or baffles on both sides of the conveyor belt are generally used for conveying coal blocks. However, relying solely on V-shaped conveyor belts and baffles still presents the possibility of coal blocks splashing and falling when facing high-speed and large-volume coal conveying, since there is always a distance between the baffles and the conveyor belt. Therefore, an improved coal conveying equipment anti-coal-falling device is needed to address this problem. Utility Model Content

[0004] The purpose of this utility model is to provide a device for preventing coal from falling off coal conveying equipment, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a coal conveying equipment anti-coal-falling device, comprising a fixed frame, a conveying mechanism for conveying coal blocks being provided at the upper end of the fixed frame, the conveying mechanism comprising a first support, a support roller, a transmission roller, and a conveyor belt, a plurality of first supports being uniformly fixed on both sides of the upper end of the fixed frame, a support roller being movably mounted on the upper end of the first support via a rotating shaft, a transmission roller being movably mounted on both sides of the interior of the fixed frame via a rotating shaft, a conveyor belt being sleeved between the transmission roller and the support roller, a protective mechanism for preventing coal from falling during transport being provided at the upper end of the conveyor belt, the protective mechanism comprising a second support, a storage roller, and a shielding cloth, a second support being fixedly mounted on one side of the upper end of the fixed frame, a storage roller being movably mounted on the upper end of the second support via a rotating shaft, and a shielding cloth being provided on the surface of the storage roller.

[0006] Preferably, a third support is fixedly installed on the upper end of the fixed frame on one side of the first support. A connecting rod is movably inserted into the upper end of the third support. A hook is fixedly installed at one end of the connecting rod. The surface of the shielding cloth has through holes. This device can fix the shielding cloth by hooking it at the through holes, so that the shielding cloth can be placed close to the upper end of the conveyor belt. This makes the gap between the conveyor belt and the shielding cloth smaller. When a coal block falls, the shielding cloth can effectively block the coal block back, thus achieving an excellent function of preventing coal from falling.

[0007] Preferably, the hook is located inside the through hole. The through hole position of the covering cloth can be fixed by hooking the covering cloth with the hook. When the covering cloth needs to be stored, the hook and through hole can be removed at any time as needed, and then the storage roller can be rotated to rotate and wrap the covering cloth for storage. In this way, the covering cloth will not get in the way when it is not needed.

[0008] Preferably, a screw is fixedly provided at one end of the connecting rod, and a nut is screwed onto the surface of the screw through a thread. This device can tension the connecting rod and the hook by pushing the nut with a spring, so that the hanging rod can stably suspend and fix the covering cloth. Tightening the nut can change the tension of the hook, and removing the nut can replace the spring as needed.

[0009] Preferably, a spring is fitted on the surface of the connecting rod between the nut and the third bracket.

[0010] Preferably, a stabilizing roller is movably mounted at the lower end of the fixed frame via a rotating shaft, which ensures the stability of the lower end of the transmission belt.

[0011] Preferably, a connecting shaft is fixedly provided at one end of the transmission roller, which allows the transmission roller to be easily connected to an external power source.

[0012] Preferably, the shielding cloth is placed on the upper end of the conveyor belt, and the gap between the shielding cloth and the conveyor belt is 2 cm.

[0013] Preferably, the shielding cloth is wrapped around the outer surface of the storage drum.

[0014] Preferably, the stabilizing roller is pressed against the outer surface of the transmission belt.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model prevents coal blocks from falling off the conveyor belt by unfolding and placing the shielding cloth on the upper end of the conveyor belt. This allows the shielding cloth to be placed close to the conveyor belt, resulting in a small gap between the conveyor belt and the shielding cloth. When a coal block falls, the shielding cloth can effectively block the coal block back, thus providing an excellent function of preventing coal from falling off.

[0017] 2. When using this utility model, the cover cloth is fixed by hooks. The fixing method is simple. With the help of springs, the cover cloth is tightened and fixed. In this way, it can be disassembled at any time when needed. Then, the storage roller is rotated to rotate and wrap the cover cloth for storage. In this way, the cover cloth will not get in the way when it is not needed.

[0018] 3. This utility model uses a spring to push the nut, which can tension the connecting rod and the hook, so that the hanging rod can stably lift and fix the covering cloth. Tightening the nut can change the tension of the hook to prevent the spring from aging, and removing the nut can replace the spring as needed. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a coal conveying equipment anti-coal-fall device according to the present invention;

[0020] Figure 2 This is a front view of a coal conveying equipment anti-coal-falling device according to the present invention;

[0021] Figure 3 This is a bottom view of a coal conveying equipment anti-coal-falling device according to the present invention;

[0022] Figure 4 This utility model relates to a device for preventing coal from falling off coal conveying equipment. Figure 1 A magnified view of point A in the middle.

[0023] In the diagram: 1. Fixed frame; 2. First bracket; 3. Support roller; 4. Drive roller; 5. Transmission belt; 6. Second bracket; 7. Storage roller; 8. Shelter cloth; 9. Third bracket; 10. Connecting rod; 11. Hook; 12. Through hole; 13. Screw; 14. Nut; 15. Spring; 16. Stabilizing roller; 17. Connecting shaft. Detailed Implementation

[0024] 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.

[0025] Please see Figure 1-4This utility model provides a technical solution: a coal conveying equipment anti-coal-falling device, including a fixed frame 1. The upper end of the fixed frame 1 is provided with a conveying mechanism for conveying coal blocks. The conveying mechanism includes a first support 2, a support roller 3, a transmission roller 4, and a conveyor belt 5. Several first supports 2 are evenly fixed on both sides of the upper end of the fixed frame 1. The support roller 3 is movably mounted on the upper end of the first support 2 through a rotating shaft. The transmission roller 4 is movably mounted on both sides of the inside of the fixed frame 1 through a rotating shaft. The conveyor belt 5 is sleeved between the transmission roller 4 and the support roller 3. The upper end of the conveyor belt 5 is provided with a protective mechanism for preventing coal from falling during transport. The protective mechanism includes a second support 6, a storage roller 7, and a shielding cloth 8. The second support 6 is fixed on one side of the upper end of the fixed frame 1. The storage roller 7 is movably mounted on the upper end of the second support 6 through a rotating shaft. The surface of the storage roller 7 is provided with a shielding cloth 8.

[0026] A third support 9 is fixedly installed on one side of the first support 2 at the upper end of the fixed frame 1. A connecting rod 10 is movably inserted at the upper end of the third support 9. A hook 11 is fixedly installed at one end of the connecting rod 10. A through hole 12 is opened on the surface of the shielding cloth 8. This device can fix the shielding cloth 8 by hooking the hook 11 to the through hole 12, so that the shielding cloth 8 can be closely installed on the upper end of the conveyor belt 5. This makes the gap between the conveyor belt and the shielding cloth 8 smaller. When a coal block falls, the shielding cloth 8 can effectively block the coal block back, thus playing an excellent role in preventing coal from falling.

[0027] The hook 11 is set inside the through hole 12. The through hole 12 of the covering cloth 8 can be fixed by hooking the covering cloth 8 with the hook 11. When the covering cloth 8 needs to be stored, the hook 11 and the through hole 12 can be removed at any time as needed. Then the storage roller 7 can be rotated to wind and store the covering cloth 8. In this way, the covering cloth 8 will not get in the way when it is not needed.

[0028] A screw 13 is fixedly installed at one end of the connecting rod 10. A nut 14 is screwed onto the surface of the screw 13. A spring 15 is sleeved between the nut 14 and the third bracket 9 on the surface of the connecting rod 10. The device can tension the connecting rod 10 and the hook 11 by pushing the nut 14 with the spring 15, so that the hanging rod can stably lift and fix the cover cloth 8. Tightening the nut 14 can change the tension of the hook, and removing the nut 14 can replace the spring 15 as needed.

[0029] The lower end of the fixed frame 1 is movably equipped with a stabilizing roller 16 via a rotating shaft, which can ensure the stability of the lower end of the transmission belt 5.

[0030] One end of the drive roller 4 is fixedly provided with a connecting shaft 17, which allows the drive roller 4 to be easily connected to an external power source.

[0031] The shielding cloth 8 is placed on the upper end of the transmission belt 5, and the gap between the cloth and the transmission belt 5 is 2 cm.

[0032] The shielding cloth 8 is wrapped around the outer surface of the storage drum 7.

[0033] The stabilizing roller 16 is pressed against the outer surface of the transmission belt 5.

[0034] Working principle: When using this device, the shielding cloth 8 is unfolded and placed on the upper end of the conveyor belt 5 to prevent coal blocks from falling when the conveyor belt 5 is conveying coal blocks. In this way, the shielding cloth 8 can be placed close to the conveyor belt, so that the gap between the conveyor belt and the shielding cloth 8 is small. When a coal block falls, the shielding cloth 8 can effectively block the coal block back, thus playing an excellent role in preventing coal blocks from falling.

[0035] Furthermore, when using this device, the covering cloth 8 is fixed by the hook 11. The fixing method is simple. With the help of the spring 15, the covering cloth 8 is pulled and fixed. In this way, it can be disassembled at any time when needed, and the storage roller 7 can be rotated to wind and store the covering cloth 8. In this way, the covering cloth 8 will not get in the way when it is not needed.

[0036] Furthermore, when this device is in use, the spring 15 pushes the nut 14 to tension the connecting rod 10 and the hook 11, so that the hanging rod can stably lift and fix the covering cloth 8; tightening the nut 14 can change the tension of the hook to prevent the spring 15 from aging, and removing the nut 14 can replace the spring 15 as needed.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for preventing coal from falling off a coal conveying equipment, comprising a fixed frame (1), characterized in that: The fixed frame (1) is provided with a conveying mechanism for conveying coal blocks at its upper end. The conveying mechanism includes a first support (2), a support roller (3), a transmission roller (4), and a conveyor belt (5). Several first supports (2) are evenly fixed on both sides of the upper end of the fixed frame (1). The support roller (3) is movably mounted on the upper end of the first support (2) through a rotating shaft. The transmission roller (4) is movably mounted on both sides of the interior of the fixed frame (1) through a rotating shaft. The conveyor belt (5) is sleeved between the transmission roller (4) and the support roller (3). The upper end of the conveyor belt (5) is provided with a protective mechanism for preventing coal blocks from falling during transport. The protective mechanism includes a second support (6), a storage roller (7), and a shielding cloth (8). The second support (6) is fixed on one side of the upper end of the fixed frame (1). The storage roller (7) is movably mounted on the upper end of the second support (6) through a rotating shaft. The shielding cloth (8) is provided on the surface of the storage roller (7).

2. The coal conveying equipment anti-coal-body-falling device according to claim 1, characterized in that: The upper end of the fixed frame (1) is fixedly provided with a third bracket (9) on one side of the first bracket (2). A connecting rod (10) is movably inserted at the upper end of the third bracket (9). A hook (11) is fixedly provided at one end of the connecting rod (10). A through hole (12) is opened on the surface of the shielding cloth (8).

3. The coal conveying equipment anti-coal-body-falling device according to claim 2, characterized in that: The hook (11) is disposed inside the through hole (12).

4. A coal conveying equipment anti-coal-body-falling device according to claim 2, characterized in that: A screw (13) is fixedly provided at one end of the connecting rod (10), and a nut (14) is provided on the surface of the screw (13) by means of thread.

5. A coal conveying equipment anti-coal-body-falling device according to claim 4, characterized in that: A spring (15) is fitted on the surface of the connecting rod (10) between the nut (14) and the third bracket (9).

6. A coal conveying equipment anti-coal-body-falling device according to claim 1, characterized in that: The lower end of the fixed frame (1) is movably equipped with a stabilizing roller (16) via a rotating shaft.

7. A coal conveying equipment anti-coal-body-falling device according to claim 1, characterized in that: A connecting shaft (17) is fixedly installed at one end of the transmission roller (4).

8. A coal conveying equipment anti-coal-body-falling device according to claim 1, characterized in that: The shielding cloth (8) is placed on the upper end of the transmission belt (5), and the gap between the shielding cloth (8) and the transmission belt (5) is 2 cm.

9. A coal conveying equipment anti-coal-body-falling device according to claim 1, characterized in that: The shielding cloth (8) is wrapped around the outer surface of the storage drum (7).

10. A coal conveying equipment anti-coal-body falling device according to claim 6, characterized in that: The stabilizing roller (16) is pressed against the outer surface of the transmission belt (5).