Cleaning device for belt conveyor and belt conveyor
The spring-driven scraper support assembly and double-bladed design solve the problems of scraper wear and inconvenient replacement, enabling automatic adjustment and efficient cleaning, extending the service life of the equipment, and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANTAI PORT CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-04-24
AI Technical Summary
The existing belt conveyor cleaning device cannot automatically adjust the distance between the scraper and the conveyor belt, resulting in severe wear and poor cleaning effect. Moreover, the scraper replacement operation is cumbersome, which affects production efficiency.
The spring-driven scraper support assembly adjusts the distance between the scraper body and the conveyor belt by extending and retracting the spring. Combined with the double-edged design and quick-change structure, it achieves automatic adjustment and extends the scraper life.
It improves the adaptability and cleaning effect of the cleaning device, reduces wear, simplifies the scraper replacement process, and increases production efficiency.
Smart Images

Figure CN224159938U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a cleaning device for a belt conveyor and a belt conveyor, belonging to the technical field of cleaning devices. Background Technology
[0002] In the field of material handling, belt conveyors, as a widely used continuous conveying equipment, play a crucial role in efficiently and stably transporting various bulk materials from one location to another. However, in actual transportation, the transported goods often have a certain degree of viscosity, inevitably causing a large amount of material to adhere to the belt during operation. This material adhering to the belt poses a risk of detaching during subsequent operation, directly causing environmental pollution. This not only affects the on-site working environment but may also bring numerous inconveniences to subsequent production processes and equipment maintenance.
[0003] To effectively address the aforementioned issues, ensure the cleanliness of belt conveyors during transportation, and reduce environmental pollution caused by material spillage, installing cleaning devices on belt conveyors has become a widely adopted and effective method in the industry. However, existing belt conveyor cleaning devices on the market still have many shortcomings in application:
[0004] First, the scraper of the cleaning device needs to be in close contact with the belt in order to effectively scrape off the material adhering to the belt. Existing cleaning devices cannot automatically adjust the distance between the scraper body and the conveyor belt. When there are large hard objects on the surface of the conveyor belt or when the conveyor belt vibrates abnormally, excessive impact force is generated between the scraper body and the conveyor belt, resulting in wear of both the scraper body and the conveyor belt.
[0005] Secondly, during continuous sweeping operations, the frequent friction between the scraper and the belt inevitably leads to gradual wear of the scraper. As the wear intensifies, the gap between the scraper and the belt gradually widens, significantly reducing the cleaning effect. To restore a tight fit between the scraper and the belt, existing sweeping devices require operators to tighten screws to lift the scraper upwards, bringing it closer to the belt. This manual adjustment method is not only cumbersome but also inefficient.
[0006] Furthermore, existing cleaning devices generally use single-sided scrapers, which wear out very quickly and have a short lifespan over long-term use. When the scraper wears down to a certain extent, it needs timely repair and replacement. However, previously, replacing a scraper required disassembling all the fixing bolts, a cumbersome process that took approximately 60 minutes, impacting production efficiency. In actual production, to minimize production delays caused by equipment downtime for maintenance, companies sometimes have to postpone replacing severely worn scrapers, continuing to operate the conveyor belt in a state of poor cleaning performance, leading to material spillage and environmental pollution. Utility Model Content
[0007] The purpose of this utility model is to provide a new technical solution to improve or solve the technical problems existing in the prior art as described above.
[0008] The technical solution provided by this utility model is as follows: A cleaning device for a belt conveyor includes a scraper bracket assembly, a support beam, and a scraper body. The scraper body is disposed between two sets of scraper bracket assemblies via the support beam. The scraper bracket assembly includes a base, a threaded rod, a spring, a first nut, and a connecting seat for connecting with the support beam. The threaded rod is mounted on the base, and the connecting seat is movably mounted on the threaded rod. The spring is sleeved on the threaded rod and disposed below the connecting seat. The spring abuts against one side of the connecting seat, and the other side of the connecting seat is limited and mounted on the threaded rod by the first nut. When the spring extends or retracts, it can drive the connecting seat to rise and fall.
[0009] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects: Since the extension and retraction of the spring can drive the connecting seat to rise and fall, the scraper body, under the connection of the support beam, can automatically adjust the distance between the scraper body and the conveyor belt according to the thickness and hardness of the material on the surface of the conveyor belt and the vibration during the operation of the conveyor belt, so as to ensure the cleaning effect and improve the adaptability of the device to different working conditions. At the same time, when there are large hard objects on the surface of the conveyor belt or when the conveyor belt vibrates abnormally, the spring can play a buffering role to avoid excessive impact force between the scraper body and the conveyor belt, play a buffering protection role, reduce the wear of the scraper body and the conveyor belt, and extend the service life of the equipment.
[0010] Based on the above technical solution, the present invention can be further improved as follows.
[0011] Furthermore, it also includes a second nut, with one end of the spring near the base abutting against the second nut.
[0012] The advantage of adopting the above-mentioned further solution is that the initial position of the spring is first adjusted using the first nut, and then locked in place using the second nut. When the scraper body wears down, the distance between the scraper body and the conveyor belt can be adjusted by adjusting the relative positions of the first and second nuts, thereby maintaining the optimal contact state between the scraper body and the conveyor belt.
[0013] Furthermore, the scraper body has a double-edged surface.
[0014] The beneficial effect of adopting the above-mentioned further solution is that the double-edged blade allows the scraper body to be directly flipped to the other side for continued use after one side of the blade is worn due to long-term cleaning operations. This is equivalent to doubling the service life of the scraper, effectively reducing replacement costs, and eliminating the need to stop the machine to replace the scraper due to wear on one side of the blade. The cleaning function can be restored with a simple flipping operation, reducing equipment downtime and ensuring the continuity of production operations.
[0015] Furthermore, the connecting seat is provided with a plug, and the end of the support beam is inserted into the plug.
[0016] The beneficial effect of adopting the above-mentioned further solution is that the quick positioning and installation of the support beam and the connecting seat are achieved by inserting the plug into the support beam.
[0017] Furthermore, the insert is provided with a set screw hole, and both ends of the support beam are fixed inside the insert by set screws.
[0018] The beneficial effect of adopting the above-mentioned further solution is that the top screw fixing method is more stable than the simple plug connection, effectively preventing the support beam from loosening due to vibration or impact during operation, and ensuring the long-term stable operation of the cleaning device.
[0019] Furthermore, the connecting seat is a U-shaped connecting seat, and the scraper bracket assembly also includes a sliding groove. The U-shaped connecting seat is sleeved on the threaded rod through a through hole opened at the bottom. One side plate of the U-shaped connecting seat slides in cooperation with the sliding groove, and the other side plate of the U-shaped connecting seat is provided with the insert.
[0020] The beneficial effect of adopting the above-mentioned further solution is that the sliding fit between the U-shaped connecting seat and the slide groove restricts the rotational freedom of the connecting seat on the threaded rod, so that it can only move up and down in the axial direction.
[0021] Furthermore, the scraper body is fixed to the support beam by bolts.
[0022] The advantages of adopting the above-mentioned further solution are that the scraper body can be quickly separated from the support beam simply by removing the fixing bolts, without removing the support beam or connecting seat. The operation time is reduced to less than 1 / 3 of the traditional method, reducing equipment downtime and improving production efficiency. It is especially suitable for continuous operation scenarios (such as coal mines, ports, etc.).
[0023] A cleaning device for a belt conveyor includes a conveyor belt and the cleaning device, which is disposed below the conveyor belt or at the discharge end. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0025] Figure 1 This is a three-dimensional structural diagram of the cleaning device of this utility model;
[0026] Figure 2 This is a front view of the cleaning device of this utility model;
[0027] Figure 3 For the present utility model Figure 2 The left view;
[0028] In the figure, 100 is the scraper support assembly; 101 is the base; 102 is the threaded rod; 103 is the spring; 104 is the first nut; 105 is the second nut; 106 is the connecting seat; 107 is the insert; 108 is the set screw hole; 109 is the slide; 200 is the support beam; and 300 is the scraper body. Detailed Implementation
[0029] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and do not imply any priority in order or any specific technical meaning. Furthermore, the concepts of "connection" and "linkage" mentioned in this application, unless otherwise specified, are considered to include both direct connection (linkage) and indirect connection (linkage).
[0030] When interpreting the description of this application, it should be clarified that terms such as "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating directions or positional relationships, are based on the perspective and layout shown in the accompanying drawings. They are intended to facilitate explanation and simplify the description process, and are not absolute limitations on the actual location, construction method, or operating mode of the described device or element. Therefore, these terms should not be construed as restrictive interpretations of the content of this application.
[0031] The principles and features of this utility model are described below with reference to examples. The examples are only used to explain this utility model and are not intended to limit the scope of this utility model.
[0032] like Figure 1 - Figure 3 As shown, a cleaning device for a belt conveyor includes a scraper support assembly 100, a support beam 200, and a scraper body 300. The scraper body 300 is disposed between two sets of scraper support assemblies 100 via the support beam 200. The scraper support assembly 100 includes a base 101, a threaded rod 102, a spring 103, a first nut 104, and a connecting seat 106 for connecting to the support beam 200. The threaded rod 102 is mounted on the base 101, and the connecting seat 106 is movably mounted on the threaded rod 102. The spring 103 is sleeved on the threaded rod 102 and disposed below the connecting seat 106. The spring 103 abuts against one side of the connecting seat 106, and the other side of the connecting seat 106 is limited and mounted on the threaded rod 102 by the first nut 104. When the spring 103 extends or retracts, it can drive the connecting seat 106 to rise or fall. The position of the connecting seat 106 can be easily adjusted by the cooperation of the threaded rod 102, the first nut 104 and the spring 103, thereby adjusting the height of the scraper body 300. During installation, the initial distance between the scraper body 300 and the conveyor belt can be flexibly set according to actual needs.
[0033] More specifically, the scraper support assembly 100 further includes a second nut 105, and the end of the spring 103 near the base 101 abuts against the second nut 105. The initial position of the spring 103 can be adjusted first using the first nut 104, and then locked in place using the second nut 105. When the scraper body 300 experiences wear, the gap between the scraper body 300 and the conveyor belt can be adjusted by regulating the first nut 104 and the second nut 105, thereby maintaining optimal contact between the scraper body 300 and the conveyor belt.
[0034] In this embodiment, the scraper body 300 has a double-edged surface. The double-edged surface allows the scraper body 300 to be directly flipped to the other side for continued use after one side of the blade is worn due to long-term cleaning operations. This effectively doubles the service life of the scraper, reduces replacement costs, and eliminates the need to stop the machine to replace the scraper due to wear on one side of the blade. The cleaning function can be restored with a simple flipping operation, reducing equipment downtime and ensuring the continuity of production operations.
[0035] The connecting seat 106 is provided with a plug 107, and the end of the support beam 200 is inserted into the plug 107. By inserting the plug 107 into the support beam 200, the support beam 200 and the connecting seat 106 can be quickly positioned and installed.
[0036] The insert 107 is provided with set screw holes 108, and both ends of the support beam 200 are fixed inside the insert 107 by set screws. The set screw fixing method is more stable than simple plug-in connection, effectively preventing the support beam 200 from loosening due to vibration or impact during operation, and ensuring the long-term stable operation of the cleaning device.
[0037] The connecting seat 106 is a U-shaped connecting seat. The scraper support assembly 100 also includes a sliding groove 109. The U-shaped connecting seat is sleeved on the threaded rod 102 through a through hole at the bottom. One side plate of the U-shaped connecting seat slides in conjunction with the sliding groove 109, and the other side plate of the U-shaped connecting seat is provided with the insert 107. The sliding contact between the U-shaped connecting seat and the sliding groove 109 restricts the rotational freedom of the connecting seat 106 on the threaded rod 102, allowing it to only move up and down axially.
[0038] The scraper body 300 is fixed to the support beam 200 by bolts. The scraper body 300 can be quickly separated from the support beam 200 by simply removing the fixing bolts, without removing the support beam 200 or the connecting seat 106. The operation time is reduced to less than 1 / 3 of the traditional method. Quick replacement reduces equipment downtime and improves production efficiency, which is especially suitable for continuous operation scenarios (such as coal mines, ports, etc.).
[0039] A cleaning device for a belt conveyor includes a conveyor belt and the cleaning device, which is disposed below the conveyor belt or at the discharge end.
[0040] The method of using the cleaning device for a belt conveyor according to this utility model is as follows: The base 101 of the cleaning device is fixed to the frame or crossbeam of the belt conveyor by bolts or welding, with the base 101 horizontal. A threaded rod 102 is vertically installed on the base 101 and fitted with a U-shaped connecting seat. A spring 103 is installed between the connecting seat 106 and the base 101. The initial height of the connecting seat 106 is adjusted by rotating the first nut 104 on the threaded rod 102, maintaining a preset gap between the scraper body 300 and the conveyor belt surface. The preload of the spring 103 is adjusted by the second nut 105. The end of the support beam 200 is inserted into the insert 107 of the side plate of the connecting seat 106 and fixed with a set screw. The scraper body 300 is then fixed to the support beam 200 by bolts. When the conveyor belt is running, the scraper body 300 can scrape off the material adhering to the conveyor belt. If the thickness of the material on the conveyor belt changes or vibration causes abnormal pressure on the scraper body 300, the spring 103 automatically adjusts the height of the scraper body 300 by extending and retracting. If further adjustment of the scraper height is required, the first nut 104 can be rotated and the second nut 105 can be tightened again. When one side of the scraper body 300 is worn, the set screws at both ends of the support beam 200 can be loosened, and the support beam 200 can be rotated to the other side for continued use. If both sides of the scraper body are worn, the bolts on the support beam 200 can be removed and a new scraper body 300 can be replaced.
[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 cleaning device for a belt conveyor, characterized in that, The system includes a scraper support assembly (100), a support beam (200), and a scraper body (300). The scraper body (300) is disposed between two sets of scraper support assemblies (100) via the support beam (200). The scraper support assembly (100) includes a base (101), a threaded rod (102), a spring (103), a first nut (104), and a connecting seat (106) for connecting with the support beam (200). The threaded rod (102) is mounted on the base (101). On 01), the connecting seat (106) is movably mounted on the threaded rod (102), the spring (103) is sleeved on the threaded rod (102) and located below the connecting seat (106), the spring (103) abuts against one side of the connecting seat (106), and the other side of the connecting seat (106) is limited and mounted on the threaded rod (102) by the first nut (104). When the spring (103) extends or retracts, it can drive the connecting seat (106) to rise or fall.
2. The cleaning device for a belt conveyor according to claim 1, characterized in that, It also includes a second nut (105), and the end of the spring (103) near the base (101) abuts against the first nut (104).
3. The cleaning device for a belt conveyor according to claim 1 or 2, characterized in that, The scraper body (300) has a double-edged surface.
4. The cleaning device for a belt conveyor according to claim 3, characterized in that, The connecting seat (106) is provided with a plug (107), and the end of the support beam (200) is inserted into the plug (107).
5. The cleaning device for a belt conveyor according to claim 4, characterized in that, The insert (107) is provided with a set screw hole (108), and the two ends of the support beam (200) are fixed inside the insert (107) by set screws.
6. The cleaning device for a belt conveyor according to claim 4, characterized in that, The connecting seat (106) is a U-shaped connecting seat. The scraper bracket assembly (100) also includes a sliding groove (109). The U-shaped connecting seat is sleeved on the threaded rod (102) through a through hole at the bottom. One side plate of the U-shaped connecting seat slides in cooperation with the sliding groove (109). The other side plate of the U-shaped connecting seat is provided with the insert (107).
7. The cleaning device for a belt conveyor according to claim 6, characterized in that, The scraper body (300) is fixed to the support beam (200) by bolts.
8. A cleaning device for a belt conveyor, comprising a conveyor belt, characterized in that, It also includes a cleaning device as described in any one of claims 1-7, wherein the cleaning device is disposed below the conveyor belt or at the discharge end.