Material accumulation prevention wagon balance meter with cleaning equipment
By designing an automated cleaning device on the weighbridge that combines a scraper and a lead screw, the problem of sand and gravel accumulation affecting accuracy has been solved, achieving efficient and automated sand and gravel cleaning and high-precision weighing.
Patent Information
- Application Number
- CN202422899261.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2034-11-27
AI Technical Summary
When existing weighbridges are used in sand and gravel plants, sand and gravel tend to accumulate on the surface, affecting accuracy. Manual cleaning is time-consuming and labor-intensive, and failure to clean in a timely manner will increase the workload of the staff.
Design a weighbridge with a cleaning device. The device achieves automated cleaning through the cooperation of a scraper and a lead screw. The design of a collection box and a hydraulic rod ensures weighing accuracy and cleaning efficiency.
It has achieved automated sand and gravel cleaning, improved work efficiency, reduced the labor intensity of staff, and ensured the high accuracy of weighing results of the weighbridge.
Smart Images

Figure CN223862367U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of weighbridge measuring instruments, specifically a weighbridge measuring instrument with a cleaning device to prevent material accumulation. Background Technology
[0002] A weighbridge, also known as a truck scale, is a large scale installed on the ground. It is usually used to weigh the tonnage of trucks. It is the main weighing equipment used by factories, mines, and businesses for measuring bulk goods. Weighbridges have a wide range of applications. Well-known areas include highway truck lanes, which are generally equipped with weighbridges to measure whether freight vehicles are overloaded or overweight. Weighbridges are also used in many food industries, logistics centers, and warehouses.
[0003] When weighing products in a factory, ordinary weighing equipment is difficult to use due to the large base weight. Therefore, weighbridges are often used. They are also essential for weighing products when transporting sand and gravel in sand and gravel yards.
[0004] When existing weighbridges are used in sand and gravel quarries, trucks are usually parked on top of the weighbridge for weighing. During the weighing process, some sand and gravel inevitably fall onto the surface of the weighbridge. Over time, a large amount of sand and gravel may accumulate on the surface of the weighbridge, which will affect the accuracy of the weighbridge. At the same time, manual cleaning is time-consuming and labor-intensive, which is not conducive to improving work efficiency. If cleaning is not timely, the sand and gravel on the surface of the weighbridge will be squeezed by the trucks back and forth, making cleaning even more difficult and significantly increasing the workload of the staff. Utility Model Content
[0005] Therefore, the purpose of this utility model is to provide a weighbridge with a cleaning device to prevent material accumulation, so as to solve the technical problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a weighbridge with a cleaning device for preventing material accumulation, comprising a load plate and a base. A drive assembly is fixedly installed on one side of the load plate, and a lead screw is movably installed on one end of the drive assembly. A collar is sleeved on one end of the lead screw, and a connecting block is fixedly installed on one side of the collar. A rotating shaft is mounted on a movable rod on one side of the connecting block, and a connecting rod is fixedly installed on one side of the rotating shaft. The rotating shaft and the connecting block are rotatably connected, and a rotating groove that mates with the connecting block is opened on one side of the rotating shaft. A scraper is provided on one side of the load plate, and connecting shafts are fixedly installed on both sides of the scraper. The connecting shaft and the rotating shaft are connected by a connecting rod. Fixing blocks are fixedly installed on both sides of the load plate, and a toothed plate is fixedly installed on one side of the fixing blocks. A toothed groove is opened on the outer side of the rotating shaft, and the rotating shaft mates with the toothed plate.
[0007] By adopting the above technical solution, and by setting up a scraper and a lead screw, the rotation of the lead screw drives the collar to move, thereby causing the rotating shaft to move. When the rotating shaft moves, it rotates under the action of the toothed plate, causing the scraper to flip and make the scraper closely adhere to the surface of the loading plate, with the two in a parallel state. At this time, the lead screw continues to rotate, allowing the scraper to clean the surface of the loading plate. No manual cleaning is required, realizing automated cleaning, which can greatly improve work efficiency, reduce the workload of workers, and achieve high accuracy of the weighbridge.
[0008] The present invention is further configured such that a fixing rod is movably installed at one end of the base, and a horizontal plate is fixedly installed at one end of the fixing rod. Collection boxes are fixedly installed on both sides of the horizontal plate. A slot that matches the horizontal plate is opened inside the base, and the horizontal plate and the carrying plate are connected by a fixing rod. One side of the carrying plate is set with an arc surface.
[0009] By adopting the above technical solution and setting up a collection box, the sand and gravel cleaned by the scraper can fall into the collection box, preventing random discharge and avoiding the accumulation of sand and gravel around the area, which would have an impact on the environment. At the same time, the setting of the fixing rod allows the collection box to move with the load plate, improving the overall stability of the material discharge.
[0010] The present invention is further configured such that a hydraulic rod is installed on the outside of the base, and there are multiple sets of hydraulic rods. The base and the carrying plate are connected by the hydraulic rods, and a sensing component is installed inside the base.
[0011] By adopting the above technical solution, and by setting up hydraulic rods and sensing components, the weight can be measured by the descent distance of the hydraulic rods. At the same time, the distribution of the four sets of hydraulic rods makes the force on the load plate more uniform, resulting in more accurate weighing results.
[0012] The present invention is further configured such that limiting grooves are provided on both sides of the carrier plate, and the limiting grooves are slidably connected to the connecting block, and the collar is provided with a threaded groove that cooperates with the lead screw.
[0013] By adopting the above technical solution and setting a limiting groove, the movement of the connecting block is limited, avoiding the problem of the connecting block shifting during movement, and making the overall operation more stable.
[0014] The present invention is further configured such that the lead screw is provided in two sets, and the two sets of lead screws are connected by a chain; the base is provided with a loading platform on both sides, and one end of the loading platform is curved.
[0015] By adopting the above technical solution, the loading platform allows the truck to enter the top of the cargo plate when weighing is required. The two sets of lead screws ensure that the scraper is subjected to more even force during movement, preventing problems such as tilting or jamming.
[0016] In summary, the present invention has the following main advantages:
[0017] This invention utilizes a scraper and a lead screw. When the lead screw rotates, it drives a collar, causing the shaft to move. As the shaft moves, it rotates under the action of a toothed plate, causing the scraper to flip and adhere closely to the surface of the load plate, with both in a parallel state. Continued rotation of the lead screw allows the scraper to clean the surface of the load plate, eliminating the need for manual cleaning and achieving automated cleaning. This significantly improves work efficiency, reduces worker workload, and ensures high accuracy for the weighbridge. A fixed rod and a collection box allow the collection box to move with the load plate. When the load plate lowers during weighing, it lowers the collection box to avoid affecting normal weighing. When the load plate moves upward, the collection box moves upward, ensuring the collection box is close to the load plate during cleaning, making it easier to place sand and gravel into the collection box. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall design of this utility model;
[0019] Figure 2 This is a schematic diagram of the interior of the carrier plate of this utility model;
[0020] Figure 3 This is an enlarged view of the flipping structure of this utility model;
[0021] Figure 4 This is a schematic diagram showing the position of the limiting groove of this utility model;
[0022] Figure 5 This is a schematic diagram of the connection structure of the collection box of this utility model.
[0023] In the diagram: 1. Carrying plate; 2. Scraper; 3. Collection box; 4. Hydraulic rod; 5. Limiting groove; 6. Feeding platform; 7. Base; 8. Fixing rod; 9. Drive assembly; 10. Lead screw; 11. Connecting shaft; 12. Connecting rod; 13. Rotating shaft; 14. Connecting block; 15. Collar; 16. Fixing block; 17. Toothed plate; 18. Horizontal plate. Detailed Implementation
[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0025] The embodiments of this utility model will be described below based on its overall structure.
[0026] A weighbridge with a cleaning device to prevent material accumulation, such as Figure 1-5 As shown, the device includes a carrying plate 1 and a base 7. A drive assembly 9 is fixedly installed on one side of the carrying plate 1, and a lead screw 10 is movably installed on one end of the drive assembly 9. A collar 15 is sleeved on one end of the lead screw 10, and a connecting block 14 is fixedly installed on one side of the collar 15. A rotating shaft 13 is installed on a movable rod on one side of the connecting block 14, and a connecting rod 12 is fixedly installed on one side of the rotating shaft 13. The rotating shaft 13 and the connecting block 14 are rotatably connected, and a rotating groove that mates with the connecting block 14 is opened on one side of the rotating shaft 13. A scraper 2 is provided on one side of the carrying plate 1, and a connecting shaft 11 is fixedly installed on both sides of the scraper 2. The connecting shaft 11 and the rotating shaft 13 are connected by the connecting rod 12. Fixing blocks 16 are fixedly installed on both sides of the carrying plate 1, and a fixing block 16 is fixedly installed on one side of the fixing block 16. The device is equipped with a toothed plate 17, and the outer side of the rotating shaft 13 is provided with toothed grooves. The rotating shaft 13 cooperates with the toothed plate 17. When the drive assembly 9 is started, the lead screw 10 rotates. When the lead screw 10 rotates, it drives the collar 15 to move. When the collar 15 moves, it drives the rotating shaft 13 to move through the connecting block 14. At this time, the rotating shaft 13 begins to contact the toothed plate 17. Under the action of the toothed plate 17, the rotating shaft 13 rotates. When the rotating shaft 13 rotates, it drives the connecting rod 12 to rotate, which causes the connecting shaft 11 to move in an arc. This causes the connecting shaft 11 to move. When the connecting shaft 11 moves, it drives the scraper 2 to move in an arc. Under the action of the arc surface on one side of the carrying plate 1, the movement of the scraper 2 is not affected. At this time, the scraper 2 is parallel and in contact with the carrying plate 1.
[0027] Please see Figure 2 , 5 A fixing rod 8 is movably installed at one end of the base 7, and a horizontal plate 18 is fixedly installed at one end of the fixing rod 8. Collection boxes 3 are fixedly installed on both sides of the horizontal plate 18. The base 7 has a slot that matches the horizontal plate 18. The horizontal plate 18 is connected to the carrying plate 1 through the fixing rod 8. One side of the carrying plate 1 is curved. By setting the collection box 3, the sand and gravel cleaned by the scraper 2 can fall into the collection box 3, preventing random discharge and avoiding the accumulation of sand and gravel around it, which would affect the environment. At the same time, the setting of the fixing rod 8 allows the collection box 3 to move with the carrying plate 1, improving the overall stability of the material discharge.
[0028] Please see Figure 2Hydraulic rods 4 are installed on the outside of the base 7, and there are multiple sets of hydraulic rods 4. The base 7 is connected to the load plate 1 through the hydraulic rods 4. A sensing component is installed inside the base 7. By setting up the hydraulic rods 4 and the sensing component, the weight can be measured by the descent distance of the hydraulic rods 4. At the same time, the distribution of the four sets of hydraulic rods 4 makes the force on the load plate 1 more uniform, and the weighing result more accurate.
[0029] Please see Figure 1 , 4 Limiting grooves 5 are provided on both sides of the loading plate 1, and the limiting grooves 5 and the connecting block 14 are slidably connected. The collar 15 has a threaded groove that cooperates with the lead screw 10. By setting the limiting grooves 5, the movement of the connecting block 14 is limited, avoiding the problem of the connecting block 14 shifting during movement, making the overall operation more stable.
[0030] Please see Figure 1-2 The lead screw 10 is set in two sets, and the two sets of lead screw 10 are connected by a chain. The base 7 is provided with loading platforms 6 on both sides, and one end of the loading platform 6 is set with an arc surface. The loading platform 6 allows the truck to enter the upper part of the loading plate 1 through the loading platform 6 when it needs to be weighed. The setting of two sets of lead screw 10 makes the scraper 2 more evenly stressed during movement, and will not have problems such as tilting or jamming.
[0031] The working principle of this utility model is as follows: The drive assembly 9 is activated, causing the lead screw 10 to rotate. When the lead screw 10 rotates, it drives the collar 15 to move. When the collar 15 moves, it drives the rotating shaft 13 to move through the connecting block 14. At this time, the rotating shaft 13 begins to contact the toothed plate 17. Under the action of the toothed plate 17, the rotating shaft 13 rotates. When the rotating shaft 13 rotates, it drives the connecting rod 12 to rotate, causing the connecting shaft 11 to move in an arc. This causes the connecting shaft 11 to move, and when the connecting shaft 11 moves, it drives the scraper 2 to move in an arc. Under the action of the arc surface on one side of the carrying plate 1, the movement of the scraper 2 is not affected. At this time, the scraper 2 is parallel and in contact with the carrier plate 1, and the rotating shaft 13 no longer contacts the toothed plate 17. Under the action of the collar 15, the scraper 2 moves to clean the surface of the carrier plate 1. When the scraper 2 moves to a certain position, the sand and gravel on the surface of the carrier plate 1 can be pushed into the collection box 3 to clean the surface of the carrier plate 1. During the weighing process, the carrier plate 1 is subjected to pressure, which causes the hydraulic rod 4 to move down. At the same time, the downward movement of the carrier plate 1 drives the fixed rod 8 to move down, causing the horizontal plate 18 to move, which in turn drives the collection box 3 to move. At this time, the collection box 3 is in a low position and will not affect the normal weighing.
[0032] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A weighbridge with a cleaning device for preventing material accumulation, comprising a loading plate (1) and a base (7), characterized in that: A drive assembly (9) is fixedly installed on one side of the loading plate (1), and a lead screw (10) is movably installed on one end of the drive assembly (9). A collar (15) is sleeved on one end of the lead screw (10), and a connecting block (14) is fixedly installed on one side of the collar (15). A rotating shaft (13) is installed on a movable rod on one side of the connecting block (14), and a connecting rod (12) is fixedly installed on one side of the rotating shaft (13). The rotating shaft (13) and the connecting block (14) are rotatably connected, and one side of the rotating shaft (13) is open. A rotating groove is provided to cooperate with the connecting block (14). A scraper (2) is provided on one side of the carrying plate (1), and a connecting shaft (11) is fixedly installed on both sides of the scraper (2). The connecting shaft (11) and the rotating shaft (13) are connected by a connecting rod (12). A fixing block (16) is fixedly installed on both sides of the carrying plate (1), and a toothed plate (17) is fixedly installed on one side of the fixing block (16). A toothed groove is provided on the outer side of the rotating shaft (13), and the rotating shaft (13) cooperates with the toothed plate (17).
2. The anti-accumulation weighbridge measuring instrument with cleaning equipment according to claim 1, characterized in that: A fixing rod (8) is movably installed at one end of the base (7), and a horizontal plate (18) is fixedly installed at one end of the fixing rod (8). Collection boxes (3) are fixedly installed on both sides of the horizontal plate (18). A slot matching the horizontal plate (18) is opened inside the base (7), and the horizontal plate (18) is connected to the loading plate (1) through the fixing rod (8). One side of the loading plate (1) is set with an arc surface.
3. The anti-accumulation weighbridge measuring instrument with cleaning equipment according to claim 2, characterized in that: Hydraulic rods (4) are installed on the outside of the base (7), and there are multiple sets of hydraulic rods (4). The base (7) and the carrier plate (1) are connected by hydraulic rods (4). A sensing component is installed inside the base (7).
4. A weighbridge with a cleaning device for preventing material accumulation as described in claim 3, characterized in that: The loading plate (1) has limiting grooves (5) on both sides, and the limiting grooves (5) and the connecting block (14) are slidably connected. The collar (15) has a threaded groove inside that cooperates with the lead screw (10).
5. A weighbridge with a cleaning device for preventing material accumulation according to claim 4, characterized in that: The lead screw (10) is provided in two sets, and the two sets of lead screw (10) are connected by a chain. The base (7) is provided with a loading platform (6) on both sides, and one end of the loading platform (6) is curved.