Composite shock absorber for high-speed rail track
By installing a composite shock absorber on the high-speed rail track, the vibration is achieved by using components such as damping, springs and buffering blocks, and the stability is improved through the coordination of the slider and the chute, the problem of insufficient effect of the existing shock absorbers in the face of strong vibration is solved, and the shock absorption effect and stability are significantly improved.
Patent Information
- Application Number
- CN202421454155.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-25
AI Technical Summary
When existing shock absorbers face strong vibrations caused by high-speed rail tracks, the shock absorption effect is insufficient and the stability is poor.
A composite shock absorber is designed, and the vibration damping, first spring, buffer shell, side plate, cylinder, telescopic rod, buffer block, friction block and slider are provided between the upper mounting plate and the lower mounting plate to achieve two buffer shock absorption, and the movement stability of the friction block is improved through the cooperation of the slider and the slide groove.
The shock absorber can effectively buffer and absorb vibrations generated by high-speed rail tracks, increasing the shock absorption effect, and improving the stability of the shock absorber through the rapid reset of the friction block and the limiting effect of the slider.
Smart Images
Figure CN222615914U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shock absorbers, in particular to a composite shock absorber for high-speed railway tracks. Background Art
[0002] In rail transit, when the wheels of high-speed trains and other trains come into contact with the tracks at high speed, a large amount of impact energy will inevitably be generated, huge noise will be emitted, and the surrounding environment will be polluted. In order to reduce the noise during vehicle driving, shock absorbers are generally used to alleviate it.
[0003] Existing shock absorbers are generally composed of two baffles and a single spring, and the shock absorption effect is weak. When encountering relatively strong vibrations, the shock absorption effect is insufficient. Therefore, technical personnel in this field provide a composite shock absorber for high-speed rail tracks to solve the problems raised in the above background technology. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a composite shock absorber for high-speed rail tracks. The shock absorber can perform double buffering and shock absorption on the vibration generated by the high-speed rail tracks and the shock absorber has high stability.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A composite shock absorber for a high-speed railway track, comprising a lower mounting plate, dampers are fixedly arranged on both sides of the upper end of the lower mounting plate, first springs are sleeved on the two outer walls of the dampers, and the upper ends of the two dampers are fixedly connected to the upper mounting plate;
[0007] Buffer shells are fixedly provided in the middle of both sides of the upper end of the lower mounting plate, side plates are fixedly provided at the upper ends of the outer sides of the two buffer shells, cylinders are fixedly provided inside the two side plates, telescopic rods are slidably provided inside the two cylinders, buffer blocks are fixedly connected to the outer ends of the two telescopic rods, buffer rods are fixedly provided in the middle of both sides of the lower end of the upper mounting plate, and friction blocks are fixedly provided at the lower ends of the two buffer rods.
[0008] Furthermore, a plurality of first mounting holes are provided on both sides of the upper end surface of the upper mounting plate;
[0009] Through the above technical solution, the upper mounting plate is installed on the high-speed railway track through the first mounting hole.
[0010] Furthermore, the two side plates are respectively connected to the corresponding buffer shells, and the two buffer blocks are respectively extended into the corresponding buffer shells;
[0011] Through the above technical solution, the buffer block extends into the buffer shell, so that the friction block performs buffering when moving.
[0012] Furthermore, a second spring is connected between the two buffer blocks and the corresponding cylinders and located on the outer wall of the telescopic rod;
[0013] Through the above technical solution, the telescopic rod drives the buffer block to move through the second spring.
[0014] Furthermore, the two friction block inclined surfaces are respectively fitted with the corresponding buffer block inclined surfaces;
[0015] Through the above technical solution, the friction block and the buffer block are in contact with each other, so that the buffer block drives the friction block to reset quickly.
[0016] Furthermore, a slider is fixedly provided at the inner lower end of each of the two friction blocks, and a slide groove is provided on the inner side wall of each of the two buffer shells, and the two sliders slide within the corresponding slide grooves respectively;
[0017] Through the above technical solution, the stability of the movement of the friction block is improved through the action of the slider and the slide groove.
[0018] Furthermore, second mounting holes are provided at four corners of the lower mounting plate;
[0019] Through the above technical solution, the lower mounting plate is installed at a predetermined position of the track through the second mounting hole.
[0020] The utility model has the following beneficial effects:
[0021] The utility model proposes a composite shock absorber for high-speed railway tracks. The shock absorber transmits the vibration generated by the high-speed railway track to the upper mounting plate. At this time, the upper mounting plate is buffered and shock-absorbed by the action of the damping and the first spring. At the same time, the buffer rod is raised and lowered, and the friction block rubs against the buffer block. The friction block is quickly reset after moving under the action of the second spring and the telescopic rod, so that the upper mounting plate is buffered and shock-absorbed again, thereby increasing the shock-absorbing effect of the shock absorber. When the friction block moves in the buffer shell, it is limited by the action of the slider and the slide groove, thereby improving the stability of the upper mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a three-dimensional diagram of a composite shock absorber for high-speed railway tracks proposed by the utility model;
[0023] Figure 2 This is a front cross-sectional view of a composite shock absorber for high-speed railway tracks proposed by the utility model;
[0024] Figure 3 This is a schematic diagram of the disassembled structure of a composite shock absorber for high-speed railway tracks proposed by the utility model;
[0025] Figure 4 for Figure 2 The enlarged view of point A in the middle;
[0026] Figure 5 for Figure 2 Enlarged view of point B in the middle.
[0027] Legend:
[0028] 1. Lower mounting plate; 2. Damping; 3. First spring; 4. Upper mounting plate; 5. First mounting hole; 6. Buffer shell; 7. Side plate; 8. Cylinder; 9. Telescopic rod; 10. Buffer block; 11. Second spring; 12. Buffer rod; 13. Friction block; 14. Slider; 15. Slide groove; 16. Second mounting hole. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Reference Figure 1-5 The utility model provides an embodiment: a composite shock absorber for high-speed rail tracks, comprising a lower mounting plate 1, dampers 2 are fixedly arranged on both sides of the upper end of the lower mounting plate 1, first springs 3 are sleeved on the outer walls of the two dampers 2, and upper ends of the two dampers 2 are fixedly connected to an upper mounting plate 4;
[0031] A buffer shell 6 is fixedly provided in the middle of both sides of the upper end of the lower mounting plate 1, a side plate 7 is fixedly provided at the upper outer ends of the two buffer shells 6, a cylinder 8 is fixedly provided inside the two side plates 7, a telescopic rod 9 is slidably provided inside the two cylinders 8, and a buffer block 10 is fixedly connected to the outer ends of the two telescopic rods 9, a buffer rod 12 is fixedly provided in the middle of both sides of the lower end of the upper mounting plate 4, and a friction block 13 is fixedly provided at the lower ends of the two buffer rods 12.
[0032] A plurality of first mounting holes 5 are provided on both sides of the upper end surface of the upper mounting plate 4, and the upper mounting plate 4 is mounted on the high-speed rail track through the first mounting holes 5. The two side plates 7 are respectively connected to the corresponding buffer shells 6, and the two buffer blocks 10 are respectively extended into the corresponding buffer shells 6. The buffer blocks 10 are extended into the buffer shells 6 to buffer when the friction block 13 moves. The two buffer blocks 10 are respectively connected to the corresponding cylinders 8 and are located on the outer wall of the telescopic rod 9. The telescopic rod 9 drives the buffer block 10 to move through the second spring 11. The inclined surfaces of the two friction blocks 13 They are respectively fitted with the corresponding inclined surfaces of the buffer blocks 10, and the friction blocks 13 are fitted with the inclined surfaces of the buffer blocks 10, so that the buffer blocks 10 drive the friction blocks 13 to quickly reset. Slide blocks 14 are fixedly provided at the lower ends of the inner sides of the two friction blocks 13, and slide grooves 15 are provided on the inner walls of the two buffer shells 6. The two slide blocks 14 slide in the corresponding slide grooves 15 respectively. The stability of the movement of the friction blocks 13 is improved through the action of the slide blocks 14 and the slide grooves 15. Second mounting holes 16 are provided at the four corners of the lower mounting plate 1, and the lower mounting plate 1 is installed at a predetermined position on the track through the second mounting holes 16.
[0033] Working principle: When the composite shock absorber for high-speed rail track is used, the upper mounting plate 4 and the lower mounting plate 1 are respectively installed on the track through the first mounting hole 5 and the second mounting hole 16, and the vibration generated by the high-speed rail track is transmitted to the upper mounting plate 4. At this time, the upper mounting plate 4 is buffered and shock-absorbed by the action of the damping 2 and the first spring 3. At the same time, the buffer rod 12 is raised and lowered, and the friction block 13 rubs the buffer block 10. Under the action of the second spring 11 and the telescopic rod 9, the friction block 13 is quickly reset after moving, so that the upper mounting plate 4 is buffered and shock-absorbed again, thereby increasing the shock absorbing effect of the shock absorber. When the friction block 13 moves in the buffer shell 6, it is limited by the action of the slider 14 and the slide groove 15, thereby improving the stability of the upper mounting plate 4.
[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A composite shock absorber for high-speed railway track, comprising a lower mounting plate (1), characterized in that: Dampers (2) are fixedly arranged on both sides of the upper end of the lower mounting plate (1), the outer walls of the two dampers (2) are sleeved with first springs (3), and the upper ends of the two dampers (2) are fixedly connected to the upper mounting plate (4); A buffer shell (6) is fixedly arranged at the middle of both sides of the upper end of the lower mounting plate (1), a side plate (7) is fixedly arranged at the upper outer ends of the two buffer shells (6), a cylinder (8) is fixedly arranged inside the two side plates (7), a telescopic rod (9) is slidably arranged inside the two cylinders (8), and a buffer block (10) is fixedly connected to the outer ends of the two telescopic rods (9), and a buffer rod (12) is fixedly arranged at the middle of both sides of the lower end of the upper mounting plate (4), and a friction block (13) is fixedly arranged at the lower ends of the two buffer rods (12).
2. The composite shock absorber for high-speed railway track according to claim 1, characterized in that: A plurality of first mounting holes (5) are provided on both sides of the upper end surface of the upper mounting plate (4).
3. The composite shock absorber for high-speed railway track according to claim 1, characterized in that: The two side plates (7) are respectively connected to the corresponding buffer shells (6), and the two buffer blocks (10) respectively extend into the corresponding buffer shells (6).
4. The composite shock absorber for high-speed railway track according to claim 1, characterized in that: A second spring (11) is connected between the two buffer blocks (10) and the corresponding cylinders (8) and located on the outer wall of the telescopic rod (9).
5. The composite shock absorber for high-speed railway track according to claim 1, characterized in that: The inclined surfaces of the two friction blocks (13) are respectively fitted with the inclined surfaces of the corresponding buffer blocks (10).
6. The composite shock absorber for high-speed railway track according to claim 1, characterized in that: Slide blocks (14) are fixedly provided at the inner lower ends of the two friction blocks (13), and slide grooves (15) are provided on the inner side walls of the two buffer shells (6). The two slide blocks (14) slide within the corresponding slide grooves (15) respectively.
7. The composite shock absorber for high-speed railway track according to claim 1, characterized in that: Second mounting holes (16) are provided at the four corners of the lower mounting plate (1).