Torsion damper with damping protection function
By designing the cover plate and the slot structure in the torsional vibration damper, the problem of transmission shaft fracture caused by excessive torque is solved, the protection of the vibration damper is achieved, and the service life and safety of the equipment are extended.
Patent Information
- Application Number
- CN202422186222.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-06
AI Technical Summary
In the absence of cover protection, excessive torque will cause the transmission shaft to break, shorten service life and reduce safety.
A torsional vibration damper with a cover plate is designed, including a flywheel connection plate, a vibration damping spring and a cover plate. The cover plate is fixed by a tapered clamp and a slot structure, and combined with the buffer surface and protective layer to protect the vibration damping spring to form a closed space to transmit torque.
Effectively protect the vibration-absorbing spring, extend the service life of the equipment, and improve the safety and stability of use.
Smart Images
Figure CN223120504U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of torsional dampers, and specifically relates to a torsional damper with a vibration damping and protection function. Background Art
[0002] With the advancement of agricultural modernization, agricultural machinery and equipment are increasingly widely used in agricultural production. However, during the operation of agricultural machinery, due to factors such as vibration and impact, the performance of the equipment often deteriorates, the service life is shortened, and even safety accidents may occur. Therefore, the reasonable selection and use of dampers are of great significance for ensuring the normal operation of agricultural machinery and equipment and improving agricultural production efficiency.
[0003] A damper is a device used to reduce mechanical vibration and impact, and is widely used in various agricultural machinery and equipment. Its main function is to absorb, disperse or isolate vibration energy, and reduce the impact of equipment vibration on the surrounding environment and the equipment itself. There are many types of dampers, including rubber dampers, spring dampers, hydraulic dampers, etc., and they should be selected according to the actual situation of agricultural machinery and equipment.
[0004] In this patent, the fracture of the transmission shaft caused by excessive torque will shorten its service life and reduce the use safety without the protection of the cover plate. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides a torsional damper with a vibration damping and protection function, and solves the problem that the fracture of the transmission shaft caused by excessive torque will shorten its service life and reduce the use safety without the protection of the cover plate.
[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: a torsional damper with a vibration damping and protection function, including a flywheel connecting plate, six end faces on the surface of the flywheel connecting plate are all provided with movable grooves, damping springs are arranged inside both of the two movable grooves, a disk hub is connected through the middle of the flywheel connecting plate, a friction plate is arranged inside the flywheel connecting plate, connecting plates are arranged on both ends of the surface of the flywheel connecting plate, cover plates located at one ends of the movable grooves are arranged on both sides of one end of each connecting plate, a conical clamping block is fixedly arranged on the lower end face of the cover plate, triangular clamping grooves are arranged on both sides inside the conical clamping block, a conical clamping groove is arranged inside the connecting plate, the conical clamping block is clamped into the conical clamping groove, spring grooves located inside the connecting plate are arranged on both sides of the conical clamping groove, springs are arranged inside both of the two spring grooves, triangular clamping blocks are arranged on one side of both of the two springs, and both of the two triangular clamping blocks are clamped into the two triangular clamping grooves.
[0007] Preferably, a plurality of uniformly arranged threaded holes are formed on the surface of the flywheel connecting plate, and a flywheel connecting plate housing is sleeved outside the flywheel connecting plate.
[0008] Preferably, the flywheel connecting plate, the disk hub and the connecting plate are all fixed by a rivet structure.
[0009] Preferably, the cover plate includes a cover plate surface, a buffer surface and a protective layer. The buffer surface is attached to the cover plate surface, and the protective layer is attached to the buffer surface.
[0010] Preferably, the connecting plate and the flywheel connecting plate are attached to each other, and the connecting plate and the flywheel connecting plate are fixed by welding.
[0011] Preferably, through grooves are formed on six end faces inside the flywheel connecting plate, and rivets are connected through the six through grooves.
[0012] Preferably, a limiting plate is arranged between the two springs and the two triangular clamping blocks.
[0013] Preferably, an elastic rod penetrates through the damping spring, and both sides of the elastic rod are fixedly connected to the flywheel connecting plate.
[0014] The utility model provides a torsional damper. Compared with the prior art, the following beneficial effects are achieved:
[0015] 1. By installing the cover plate, the damping spring plays a certain protective role when the torque of the transmission shaft changes, ensuring the integrity of the product. The disk hub and the cover plate are connected to form a closed space, and the middle disk hub plays a role in transmitting torque, ensuring that agricultural machinery products can be used normally. The flywheel connecting plate is connected to the flywheel housing to ensure the stability of the damper during the use of the product.
[0016] 2. The cover plate is fixed by the tapered clamping blocks at the lower end face being inserted into the clamping grooves inside the connecting plate. When being inserted, the triangular clamping blocks on both sides inside it are squeezed to both sides, and finally the triangular clamping blocks are inserted into the triangular clamping grooves to strengthen the fixation. The cover plate plays a protective role for the damping spring. At the same time, the buffer surface and the protective layer inside the cover plate also greatly improve the protection of the torsional damper and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional structure schematic diagram of the torsional damper of the utility model;
[0018] Figure 2 is a cross-sectional schematic diagram of the three-dimensional structure of the torsional damper of the utility model;
[0019] Figure 3 is the utility model Figure 2Schematic diagram of the partially enlarged structure at cross-section A;
[0020] Figure 4 Schematic diagram of the cross-sectional structure at the connection of the cover plate of the present utility model;
[0021] Figure 5 Schematic diagram of the cross-section of the cover plate of the present utility model.
[0022] In the figure: 1. Flywheel connecting plate; 2. Cover plate; 3. Movable groove; 4. Vibration damping spring; 5. Disk hub; 6. Connecting plate; 7. Rivet; 8. Friction plate; 9. Through groove; 10. Card slot; 11. Tapered card block; 12. Triangular card slot; 13. Triangular card block; 14. Spring groove; 15. Spring; 16. Cover plate surface; 17. Buffer surface; 18. Protective layer. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-5 , the present utility model provides a technical solution: a torsional damper with vibration damping and protection functions, including a flywheel connecting plate 1. Six end faces on the surface of the flywheel connecting plate 1 are all provided with movable grooves 3. Vibration damping springs 4 are arranged inside both of the two movable grooves 3. A disk hub 5 is connected through the middle of the flywheel connecting plate 1. A friction plate 8 is arranged inside the flywheel connecting plate 1. A plurality of uniformly arranged threaded holes are provided on the surface of the flywheel connecting plate 1. The outside of the flywheel connecting plate 1 is sleeved with a flywheel connecting plate 1 housing. The flywheel connecting plate 1, the disk hub 5 and the connecting plate 6 are all fixed through a rivet structure. First, by installing the cover plate 2 through the torsional damper, the vibration damping spring 4 plays a certain protective role when the torque of the transmission shaft changes, ensuring the integrity of the product. Then the disk hub 5 and the cover plate 2 are connected to form a closed space, and the middle disk hub 5 plays a role in transmitting torque;
[0025] On both surfaces of the two ends of the flywheel connecting plate 1, connecting plates 6 are provided. On both sides of one end of the connecting plate 6, there are cover plates 2 located at one end of the movable groove 3. On the lower end surface of the cover plate 2, a tapered clamping block 11 is fixedly provided. On both sides inside the tapered clamping block 11, triangular clamping grooves 12 are opened. Inside the connecting plate 6, a tapered clamping groove 10 is provided. The cover plate 2 includes a cover plate surface 16, a buffer surface 17, and a protective layer 18. The cover plate surface 16 is adhesively connected to the buffer surface 17, and the buffer surface 17 is adhesively connected to the protective layer 18. The connecting plate 6 and the flywheel connecting plate 1 are adhesively connected, and the connecting plate 6 and the flywheel connecting plate 1 are fixed by welding to ensure the normal use of agricultural machinery products. The flywheel connecting plate 1 is connected to the flywheel housing to ensure the stability of the shock absorber during the use of the product. The cover plate 2 is fixed by inserting the tapered clamping block 11 on its lower end surface into the clamping groove 10 inside the connecting plate 6. When inserting, the triangular clamping blocks 13 on both sides inside it are squeezed to both sides;
[0026] The tapered clamping block 11 is inserted into the tapered clamping groove 10. On both sides of the tapered clamping groove 10, there are spring grooves 14 located inside the connecting plate 6. Inside the two spring grooves 14, springs 15 are provided. On one side of the two springs 15, there are triangular clamping blocks 13. The two triangular clamping blocks 13 are both inserted into the two triangular clamping grooves 12. On the six end faces inside the flywheel connecting plate 1, through grooves 9 are opened. Inside the six through grooves 9, rivets 7 are connected through. Between the two springs 15 and the two triangular clamping blocks 13, there are limiting plates. Inside the damping spring 4, an elastic rod is connected through. Both sides of the elastic rod are fixedly connected to the flywheel connecting plate 1. Finally, the triangular clamping blocks 13 are inserted into the triangular clamping grooves 12 to strengthen the fixation. Then the cover plate 2 plays a role in protecting the damping spring 4. At the same time, the buffer surface 17 and the protective layer 18 inside the cover plate 2 also greatly improve the protection of the torsional shock absorber and extend the service life of the equipment.
[0027] During operation, first, through the torsional shock absorber, the cover plate 2 is installed, so that the damping spring 4 plays a certain protective role when the torque of the transmission shaft changes, ensuring the integrity of the product. Then the disk hub 5 and the cover plate 2 are connected to form a closed space. The middle disk hub 5 plays a role in transmitting torque to ensure the normal use of agricultural machinery products. The flywheel connecting plate 1 is connected to the flywheel housing to ensure the stability of the shock absorber during the use of the product. The cover plate 2 is fixed by inserting the tapered clamping block 11 on its lower end surface into the clamping groove 10 inside the connecting plate 6. When inserting, the triangular clamping blocks 13 on both sides inside it are squeezed to both sides. Finally, the triangular clamping blocks 13 are inserted into the triangular clamping grooves 12 to strengthen the fixation. Then the cover plate 2 plays a role in protecting the damping spring 4. At the same time, the buffer surface 17 and the protective layer 18 inside the cover plate 2 also greatly improve the protection of the torsional shock absorber and extend the service life of the equipment.
[0028] At the same time, the content not described in detail in this specification belongs to the well-known prior art in the art.
Claims
1. A torsional damper with a vibration damping and protection function, comprising a flywheel connecting plate (1), characterized in that: Six end faces on the surface of the flywheel connecting plate (1) are all provided with movable grooves (3). Damping springs (4) are arranged inside both of the two movable grooves (3). A hub (5) is connected through the middle of the flywheel connecting plate (1). A friction plate (8) is arranged inside the flywheel connecting plate (1). Connecting plates (6) are arranged on the surfaces at both ends of the flywheel connecting plate (1). Covers (2) located at one end of the movable grooves (3) are arranged on both sides at one end of the connecting plate (6). A conical clamping block (11) is fixedly arranged on the lower end face of the cover (2). Triangular clamping grooves (12) are arranged on both sides inside the conical clamping block (11). A conical clamping groove (10) is arranged inside the connecting plate (6). The conical clamping block (11) is clamped into the conical clamping groove (10). Spring grooves (14) located inside the connecting plate (6) are arranged on both sides of the conical clamping groove (10). Springs (15) are arranged inside both of the two spring grooves (14). Triangular clamping blocks (13) are arranged on one side of both of the two springs (15). Both of the two triangular clamping blocks (13) are clamped into the two triangular clamping grooves (12).
2. The torsional damper with a vibration damping and protection function according to claim 1, characterized in that: Multiple uniformly arranged threaded holes are provided on the surface of the flywheel connecting plate (1). The flywheel connecting plate (1) is sleeved with an outer shell of the flywheel connecting plate (1).
3. A torsional damper having a vibration damping and protection function according to claim 1, characterized in that: The flywheel connecting plate (1), the hub (5) and the connecting plate (6) are all fixed through rivet structures.
4. A torsional damper having a vibration damping and protection function according to claim 1, characterized in that: The cover (2) includes a cover surface (16), a buffer surface (17) and a protective layer (18). The buffer surface (17) is attached to the cover surface (16). The protective layer (18) is attached to the buffer surface (7).
5. A torsional damper with a vibration damping and protection function according to claim 1, characterized in that: The connecting plate (6) and the flywheel connecting plate (1) are attached to each other and are fixed by welding.
6. A torsional damper with a vibration damping and protection function according to claim 1, characterized in that: Penetrating grooves (9) are provided on six end faces inside the flywheel connecting plate (1). Rivets (7) are connected through the inside of all six penetrating grooves (9).
7. A torsional damper having a vibration damping and protection function according to claim 1, characterized in that: Limiting plates are arranged between both of the two springs (15) and both of the two triangular clamping blocks (13).
8. A torsional damper with a vibration damping and protection function according to claim 1, characterized in that: An elastic rod is connected through the inside of the damping spring (4). Both sides of the elastic rod are fixedly connected to the flywheel connecting plate (1).