Self-balancing type conveying belt deviation rectifying device
The self-balancing conveyor belt correction device adjusts the tension by moving the driven roller and uses traction ropes or chains to achieve automatic correction. This solves the problems of complex structure and high cost of existing devices and achieves low-cost automatic correction.
Patent Information
- Application Number
- CN202520087187.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing conveyor belt correction devices are complex in structure, expensive, and costly to maintain in harsh environments, making it difficult to effectively prevent conveyor belt misalignment and damage.
The device employs a self-balancing conveyor belt correction system. The tension of the conveyor belt is adjusted by moving the driven roller left and right, and automatic correction is achieved using traction ropes or chains. The structure is simple and requires no additional power input.
It achieves automatic belt alignment, reduces the complexity and cost of the device, and improves stability and reliability in harsh environments.
Smart Images
Figure CN223645539U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of conveyor belt correction devices, and in particular to a self-balancing conveyor belt correction device. Background Technology
[0002] Belt misalignment is the most common fault during material conveying on belt conveyors, and this problem can lead to damage to the conveyor belt or the conveying equipment itself. Belt misalignment is mainly caused by an imbalance in the tension of the conveyor belt in the running direction, resulting in the conveyor belt shifting off-center. Misalignment can lead to tearing and damage to the conveyor belt, affecting normal operation.
[0003] Existing technologies offer various automatic anti-deviation methods, such as mechanical roller anti-deviation, hydraulic anti-deviation, pneumatic anti-deviation, and electro-hydraulic combined anti-deviation devices. However, mechanical roller anti-deviation devices are unstable in operation and prone to excessive pressure that wears down the rollers; hydraulic anti-deviation devices have complex structures, occupy a large space, and cannot be installed in many situations; pneumatic anti-deviation devices have complex structures, require additional air supply devices, and have high manufacturing costs; electro-hydraulic combined anti-deviation devices are suitable for large conveyors, have poor resistance to harsh environments, and have relatively high operation and maintenance costs. Utility Model Content
[0004] The purpose of this invention is to provide a self-balancing conveyor belt correction device, which aims to solve the technical problems of complex structure and high cost of existing correction devices.
[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:
[0006] The self-balancing conveyor belt correction device includes a frame and a driven roller mounted at the rear end of the frame. The driven roller is wound with a conveyor belt extending backward. The left and right ends of the driven roller are slidably mounted on the frame and can move back and forth to tighten or loosen the conveyor belt. Two guide wheels spaced apart are mounted at the rear end of the frame, each guide wheel located behind the two ends of the driven roller. A traction rope is connected to the left end of the driven roller, which passes backward through the two guide wheels and is connected to the right end of the driven roller. The traction rope can pull the left and right ends of the driven roller to maintain them in the same forward and backward position.
[0007] With the above structure, when the conveyor belt deviates, the tension on both sides of the conveyor belt changes. The driven roller with higher tension pulls the traction rope forward, while the traction rope pulls the driven roller with lower tension backward, until the tension on both sides is balanced, and the conveyor belt stops deviating. This invention has a simple structure, can automatically correct conveyor belt deviation, requires no additional power input, and is low in cost.
[0008] Preferably, the traction rope is a traction chain, and the guide wheel is a sprocket. The arrangement of the traction chain and sprocket can improve the stability of the traction component's movement.
[0009] Preferably, driven roller seats are slidably mounted on the left and right sides of the frame, and the two ends of the driven rollers are rotatably mounted on the two driven roller seats respectively. The two ends of the traction rope are connected to the two driven roller seats respectively. A correction beam is mounted on the frame behind the driven rollers, and sprockets are rotatably mounted on both ends of the correction beam. The sprockets are mounted through the correction beam to improve the stability of the correction.
[0010] Preferably, guide seats are installed at both ends of the correction beam to guide the traction chain to turn 90 degrees, and the outer side of the traction chain enters the correction beam along the guide seats. The guide seats change the traction chain from a vertical direction to a horizontal direction, and the driven roller pulls the traction chain, which facilitates automatic correction.
[0011] Preferably, the inner surface of the guide seat is arc-shaped, and a guide boss is provided on the inner surface of the guide seat. The two sides of the guide boss are respectively limited to the inner plate surface of the inner chain plates on both sides. The guide boss can further improve the stability of the traction chain movement.
[0012] Preferably, the correction beam includes a rear side plate, an upper side plate, and a lower side plate. The two ends of the sprocket shaft are respectively mounted on the upper side plate and the lower side plate, and the sprocket is rotatably mounted on the sprocket shaft. The correction beam, including the rear side plate, the upper side plate, and the lower side plate, facilitates the installation of the sprocket and also facilitates the observation of the status of the traction chain.
[0013] Preferably, the driven roller is provided with left-hand spiral protrusions and right-hand spiral protrusions with opposite directions of rotation. The arrangement of the left-hand spiral protrusions and right-hand spiral protrusions can clean impurities from the surface of the conveyor belt.
[0014] Preferably, limiting discs are provided at both ends of the driven roller. The limiting discs can limit the conveyor belt and prevent excessive deviation of the conveyor belt.
[0015] Preferably, a guide slide is slidably mounted at both ends of the frame, and the two ends of the guide beam are respectively mounted on the two guide slides. An adjustment mechanism for adjusting the position of the guide slides is installed on the frame. The adjustment mechanism allows the position of the guide slides to be adjusted when the conveyor belt is slack, thereby changing the position of the guide beam and the driven roller to tension the conveyor belt.
[0016] Preferably, the adjusting mechanism includes two lead screws rotatably mounted on both sides of the frame, and a lead screw nut screwed to the lead screw is installed on the correction slide. By rotating the lead screw, the lead screw nut moves, thereby moving the correction slide and adjusting the position of the correction beam.
[0017] After adopting the above technical solution, the beneficial effects of this utility model are:
[0018] When the conveyor belt deviates from its designated path, the tension on both sides of the belt changes. The driven roller with higher tension pulls the traction rope forward, while the traction rope pulls the driven roller with lower tension backward, until the tension on both sides is balanced, and the conveyor belt stops deviating. This invention has a simple structure and can automatically correct belt deviation without requiring additional power input, resulting in low cost. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure;
[0020] Figure 2 This is a schematic diagram of the structure of the correction device from one perspective;
[0021] Figure 3 yes Figure 2 A magnified schematic diagram of the structure at point A;
[0022] Figure 4 yes Figure 2 A magnified schematic diagram of the structure at point B;
[0023] Figure 5 This is a schematic diagram of the correction device from another perspective;
[0024] Figure 6 yes Figure 5 A magnified schematic diagram of the structure at point C;
[0025] Figure 7 This is a schematic diagram of the guide seat structure;
[0026] Figure 8 This is a schematic diagram of the principle of the correction device.
[0027] In the diagram, there is a frame 1, a mounting frame 10, a mounting plate 11, a U-shaped chute 12, a correction beam 2, a rear side plate 20, an upper side plate 21, a lower side plate 22, a correction slide 23, a driven roller 3, a driven roller seat 30, a left spiral protrusion 31, a right spiral protrusion 32, a limit plate 33, a traction chain 4, a sprocket 40, a sprocket shaft 400, a guide seat 41, a guide boss 42, a conveyor belt 5, a lead screw 6, a lead screw nut 60, and a knob 61. Detailed Implementation
[0028] The present invention will be further described below with reference to the accompanying drawings.
[0029] The orientations mentioned in this specification are based on the orientation of the self-balancing conveyor belt correction device of this utility model when it is working normally. They do not limit the orientation during storage and transportation, and only represent relative positional relationships, not absolute positional relationships.
[0030] like Figures 1 to 8As shown, the self-balancing conveyor belt correction device includes a frame 1 and a driven roller 3 installed at the rear end of the frame 1. The driven roller 3 is wound with a conveyor belt 5 extending backward. The left and right ends of the driven roller 3 are slidably installed on the frame 1 and can move back and forth to tighten or loosen the conveyor belt 5. Two guide wheels are installed at the rear end of the frame 1, spaced apart from each other. Each guide wheel is located behind the two ends of the driven roller 3. The left end of the driven roller 3 is connected to a traction rope that passes backward through the two guide wheels and is connected to the right end of the driven roller 3. The traction rope can pull the left and right ends of the driven roller 3 to keep them in the same forward and backward position.
[0031] When the conveyor belt 5 deviates from its designated path, the tension on both sides of the conveyor belt 5 changes. The driven roller 3 with higher tension pulls the traction rope forward, while the traction rope pulls the driven roller 3 with lower tension backward, until the tension on both sides is balanced, and the conveyor belt 5 is no longer deviated. This utility model has a simple structure and can automatically correct the deviation of the conveyor belt 5 based on its deviation, without requiring additional power input, and is low in cost.
[0032] During use, the conveyor belt 5 may deviate from its intended path due to assembly gaps or loose parts, causing the axes of the driven roller 3 and the driving roller to become non-parallel. However, the assembly gaps are relatively small, and the deviation angle of the axes is also very small. Only minor adjustments are needed to restore the parallelism of the axes. Therefore, the forward and backward movement of the driven roller seat 30 of the correction device is possible. For example, when the left side of the driven roller 3 tilts forward, the tension of the conveyor belt 5 on the left side of the driven roller 3 is low, while the tension of the conveyor belt 5 on the right side of the driven roller 3 is high. Under the action of the tension, the right side of the driven roller 3 experiences greater force, pulling the traction sprocket 40 connected to its right end forward. Its left side moves backward under the action of the traction chain 4 connected to its left end until the tension on both sides is balanced. At this point, the axes of the driven roller 3 and the driving roller are parallel, and the belt does not deviate.
[0033] The frame 1 is provided with a mounting frame 10, which includes two symmetrical mounting plates 11. The mounting plates 11 are bent and formed to form U-shaped grooves 12. The upper and lower ends of the driven roller seat 30 slide in the upper and lower U-shaped grooves 12 respectively.
[0034] Among them, driven roller seats 30 are slidably installed on the left and right sides of the frame 1, and the two ends of the driven roller 3 are rotatably installed on the two driven roller seats 30 respectively. The two ends of the traction rope are connected to the two driven roller seats 30 respectively.
[0035] The frame 1 is equipped with a guide beam 2 located behind the driven roller 3, and sprockets 40 are rotatably mounted on both ends of the guide beam 2. The guide beam 2 is used to mount the sprockets 40, thereby improving the stability of the guide beam.
[0036] In this embodiment, the traction rope is a traction chain 4, and the guide wheel is a sprocket 40. The traction rope can be configured as a single traction chain 4, with a sprocket 40 added in the middle of the correction beam 2 to guide the movement of the traction chain 4. The configuration of the traction chain 4 and the sprocket 40 can improve the stability of the traction component's movement. In another embodiment, the traction rope can also be a steel wire rope, with a groove on the guide wheel to guide the steel wire rope.
[0037] The traction chain 4 is mounted on the driven roller seat 30 by a hinge bolt. The rod end of the hinge bolt is mounted on the driven roller seat 30, and the chain pin passes through the hole of the hinge bolt.
[0038] As a preferred embodiment, guide seats 41 are installed at both ends of the correction beam 2 to guide the traction chain to turn 90 degrees. The outer side of the traction chain 4 enters the correction beam 2 along the guide seats 41. The guide seats 41 change the traction chain 4 from a vertical direction to a horizontal direction, and the driven roller 3 pulls the traction chain 4, which facilitates automatic correction.
[0039] As a preferred embodiment, the inner side of the guide seat 41 is arc-shaped, and a guide boss 42 is provided on the inner side of the guide seat 41. The two sides of the guide boss 42 are respectively limited to the inner plate surface of the inner chain plates on both sides. The provision of the guide boss 42 can further improve the stability of the movement of the traction chain 4.
[0040] As a preferred embodiment, the correction beam 2 includes a rear side plate 20, an upper side plate 21, and a lower side plate 22. The two ends of the sprocket shaft 400 are respectively mounted on the upper side plate 21 and the lower side plate 22, and the sprocket 40 is rotatably mounted on the sprocket shaft 400. The correction beam 2, including the rear side plate 20, the upper side plate 21, and the lower side plate 22, facilitates the installation of the sprocket 40 and allows for easy observation of the status of the traction chain 4.
[0041] As a preferred embodiment, the driven roller 3 is provided with a left-hand spiral protrusion 31 and a right-hand spiral protrusion 32 with opposite directions of rotation. The arrangement of the left-hand spiral protrusion 31 and the right-hand spiral protrusion 32 can clean impurities from the surface of the conveyor belt 5.
[0042] As a preferred embodiment, the driven roller 3 is provided with limiting discs 33 at both ends. The limiting discs 33 can limit the conveyor belt 5 and prevent the conveyor belt 5 from running off-center excessively.
[0043] In a preferred embodiment, a correction slide block 23 is slidably mounted on both ends of the frame 1, with the upper and lower ends of the correction slide block 23 sliding within two upper and lower U-shaped grooves 12, respectively. The correction beam 2 is mounted on both ends of the two correction slide blocks 23, and an adjustment mechanism for adjusting the position of the correction slide blocks 23 is installed on the frame 1. This adjustment mechanism allows for adjustment of the position of the correction slide blocks 23 when the conveyor belt 5 is slack, thereby changing the positions of the correction beam 2 and the driven roller 3 to tension the conveyor belt 5.
[0044] In a preferred embodiment, the adjustment mechanism includes two lead screws 6 rotatably mounted on both sides of the frame 1, and a lead screw nut 60 screwed to the lead screw 6 is mounted on the correction slide 23. By rotating the lead screw 6, the lead screw nut 60 is moved, thereby moving the correction slide 23 and adjusting the position of the correction beam 2.
[0045] In a preferred embodiment, a knob 61 is provided at one end of the lead screw 6. The knob 61 has a hexagonal cross-section. The knob 61 allows the worker to rotate the lead screw 6 by turning the knob 61, which facilitates the adjustment of the position of the correction beam 2.
[0046] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.
Claims
1. A self-balancing conveyor belt correction device, characterized in that, It includes a frame and a driven roller mounted at the rear end of the frame, the driven roller being wound with a conveyor belt extending rearward; The left and right ends of the driven roller are slidably mounted on the frame and can move back and forth to tighten or loosen the conveyor belt; The rear end of the frame is equipped with two guide wheels spaced apart from each other, with each guide wheel located behind the two ends of the driven roller. The left end of the driven roller is connected to a traction rope that passes backward through two guide wheels and is connected to the right end of the driven roller. The traction rope can pull the left and right ends of the driven roller to keep them in the same front-back position.
2. The self-balancing conveyor belt correction device as described in claim 1, characterized in that, The traction rope is a traction chain, and the guide wheel is a sprocket.
3. The self-balancing conveyor belt correction device as described in claim 2, characterized in that, Driven roller seats are slidably installed on the left and right sides of the frame, and the two ends of the driven roller are rotatably installed on the two driven roller seats respectively. The two ends of the traction rope are connected to the two driven roller seats respectively. A correction beam is installed on the frame behind the driven roller, and a sprocket is rotatably installed on both ends of the correction beam.
4. The self-balancing conveyor belt correction device as described in claim 3, characterized in that, The two ends of the correction beam are respectively equipped with guide seats to guide the traction chain to turn 90 degrees, and the outer side of the traction chain enters the correction beam along the guide seats.
5. The self-balancing conveyor belt correction device as described in claim 4, characterized in that, The inner side of the guide seat is arc-shaped, and a guide boss is provided on the inner side of the guide seat. The two sides of the guide boss are respectively limited to the inner plate surface of the inner chain plate on both sides.
6. The self-balancing conveyor belt correction device as described in claim 3, characterized in that, The correction beam includes a rear side plate, an upper side plate, and a lower side plate. The two ends of the sprocket shaft are respectively mounted on the upper side plate and the lower side plate, and the sprocket is rotatably mounted on the sprocket shaft.
7. The self-balancing conveyor belt correction device as described in claim 1, characterized in that, The driven roller is provided with left-hand spiral protrusions and right-hand spiral protrusions with opposite directions of rotation.
8. The self-balancing conveyor belt correction device as described in claim 7, characterized in that, Limiting discs are provided at both ends of the driven roller.
9. The self-balancing conveyor belt correction device as described in claim 1, characterized in that, The frame has two slidably mounted correction slides at both ends, and the correction beam has two ends mounted on the correction slides. The frame is equipped with an adjustment mechanism for adjusting the position of the correction slides.
10. The self-balancing conveyor belt correction device as described in claim 9, characterized in that, The adjustment mechanism includes two lead screws that are rotatably mounted on both sides of the frame, and a lead screw nut that is screwed to the lead screw is installed on the correction slide.