High-temperature working condition self-compensation shock absorber

By using a high-temperature self-compensating vibration damper, which utilizes a temperature sensor and controller to adjust the damping fluid flow, combined with a carbon steel cooling layer and lubrication system, the problems of vibration damper performance degradation and insufficient lubrication under high-temperature conditions are solved. This achieves efficient heat dissipation and lubrication, and improves the service life and installation convenience of the vibration damper.

CN223923683UActive Publication Date: 2026-02-17ZHEJIANG WENDA SHOCK ABSORBER
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Patent Information

Application Number
CN202520856044.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-02-17
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

Traditional shock absorbers experience performance degradation at high temperatures, leading to wear and aging, and insufficient lubrication affects disassembly and installation.

Method used

The high-temperature self-compensating vibration damper uses a temperature sensor and controller to adjust the damping fluid flow rate. Combined with a double-layer carbon steel cooling layer and a corrosion-resistant layer, it achieves efficient heat dissipation and lubrication. Lubricating oil is injected through the oil injection pipe for lubrication.

Benefits of technology

It effectively mitigates the impact of high temperatures on vibration dampers, improves vibration damping performance and service life, ensures lubrication, prevents overheating failure, and simplifies disassembly and installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shock absorbers, and discloses a high-temperature working condition self-compensating shock absorber which comprises a shock absorber body, a sliding rod is installed at the upper end of the shock absorber body in a sliding mode, an upper installation base is installed at the upper end of the sliding rod, a piston base is installed at the lower end of the sliding rod, and a lower installation column is installed at the lower end of the shock absorber body. A temperature sensor is installed in the middle of the bottom end in the shock absorber body, a temperature controller is installed on the front portion of the upper end of the shock absorber body, and the temperature controller is electrically connected with the temperature sensor. Temperature changes can be detected through the temperature sensor, a signal is transmitted to the temperature controller, the temperature controller controls the executing mechanism to adjust the flow of the first valve and the flow of the second valve so as to compensate the influence of high temperature on the performance of the shock absorber, and when the temperature rises, the temperature controller can increase the flow of damping liquid so as to reduce the damping force of the shock absorber; the shock absorber is prevented from overheating failure, the shock absorption effect is not affected, abrasion and aging of the shock absorber body are relieved, and the shock absorption performance of the shock absorber is further improved.
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Description

Technical Field

[0001] This utility model relates to the field of vibration damper technology, specifically a self-compensating vibration damper for high-temperature working conditions. Background Technology

[0002] Automobile manufacturing equipment often operates in high-temperature environments. This equipment generates vibrations during operation, and if these vibrations are not effectively reduced, it can not only affect the equipment's performance and lifespan but also potentially cause safety hazards.

[0003] Traditional vibration dampers suffer from changes in the properties of their elastic element materials under high-temperature conditions, such as a decrease in elastic modulus and an increase in creep, which affects the vibration damping effect. As the equipment operates for a long time, wear and aging of the vibration damper are inevitable, further reducing its vibration damping performance. In addition, the threaded layer is used for a long time and cannot be operated, resulting in insufficient lubrication, which affects disassembly and installation. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a self-compensating vibration damper for high-temperature operating conditions, which has advantages such as efficient heat dissipation and solves the problems mentioned in the background technology.

[0005] To achieve the above-mentioned goal of efficient heat dissipation, this utility model provides the following technical solution: a high-temperature self-compensating vibration damper, including a vibration damper body, a sliding rod slidably mounted on the upper end of the vibration damper body, an upper mounting seat mounted on the upper end of the sliding rod, a piston seat mounted on the lower end of the sliding rod, a lower mounting column mounted on the lower end of the vibration damper body, and a lower mounting seat mounted on the lower end of the lower mounting column.

[0006] The damper body is filled with damping fluid at its bottom end. The damping fluid is made of high-viscosity silicone oil. An actuator is installed above the damping fluid. The actuator is equipped with a first valve and a second valve. A temperature sensor is installed in the middle of the bottom end of the damper body. A temperature controller is installed at the front of the upper end of the damper body. The temperature controller is electrically connected to the temperature sensor.

[0007] As a further improvement of this utility model: the shock absorber body is made of double-layer carbon steel, and a cooling layer is provided inside the double-layer carbon steel. The coolant in the cooling layer cools the inner wall of the shock absorber body, thereby reducing the temperature of the shock absorber body.

[0008] As a further improvement of this utility model: the surface of the shock absorber body is coated with a corrosion-resistant layer, which is an anti-corrosion paint. The anti-corrosion paint can improve the corrosion resistance of the surface of the shock absorber body, thereby increasing its service life.

[0009] As a further improvement of this utility model, an inlet pipe is provided at the rear of the outer side wall of the shock absorber body to facilitate the inflow and outflow of coolant.

[0010] As a further improvement of this utility model: both the lower mounting base and the upper mounting base have threaded layers on their inner sidewalls, and small holes are provided on the surface of the threaded layers. Both the lower mounting base and the upper mounting base have oil injection pipes in the middle of their outer sidewalls. By injecting lubricating oil into the oil injection pipes, the lubricating oil overflows through the small holes, thus performing lubrication operations, improving the lubrication level, and not affecting disassembly and installation.

[0011] As a further improvement of this utility model, valves are provided on both the oil injection pipe and the liquid inlet pipe to facilitate control of the flow rate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. In this utility model, the temperature sensor detects temperature changes and transmits the signal to the temperature controller. The temperature controller controls the actuator to adjust the flow of the first valve and the second valve to compensate for the impact of high temperature on the performance of the shock absorber. When the temperature rises, the temperature controller increases the flow of the damping fluid to reduce the damping force of the shock absorber, prevent the shock absorber from overheating and failing, and not affect the damping effect. It also slows down the wear and aging of the shock absorber body and further improves its damping performance.

[0014] 2. In this utility model, lubricating oil is injected into the oil injection pipe, and the lubricating oil overflows through the small hole to perform lubrication, which improves the lubrication and does not affect disassembly and installation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the appearance of the present utility model;

[0016] Figure 2 This is a schematic diagram of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the material structure of the inner wall of the shock absorber body in this utility model.

[0018] In the diagram: 1. Shock absorber body; 2. Temperature controller; 3. Lower mounting post; 4. Lower mounting base; 5. Oil injection pipe; 6. Liquid inlet pipe; 7. Sliding rod; 8. Threaded layer; 9. Upper mounting base; 10. Piston seat; 11. Second valve; 12. First valve; 13. Temperature sensor; 14. Damping fluid; 15. Corrosion resistant layer; 16. Carbon steel; 17. Cooling layer. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] It should be noted that the temperature sensor 13, the damping fluid 14, and the temperature controller 2 are all existing technologies and are common knowledge to those skilled in the art, and will not be described in detail here.

[0021] Please see Figures 1-3 In this embodiment of the utility model, the high-temperature self-compensating vibration damper includes a vibration damper body 1, a sliding rod 7 is slidably installed on the upper end of the vibration damper body 1, an upper mounting seat 9 is installed on the upper end of the sliding rod 7, a piston seat 10 is installed on the lower end of the sliding rod 7, a lower mounting column 3 is installed on the lower end of the vibration damper body 1, and a lower mounting seat 4 is installed on the lower end of the lower mounting column 3.

[0022] The damper body 1 is filled with damping fluid 14 at the bottom. The damping fluid 14 is made of high-viscosity silicone oil. An actuator is installed above the damping fluid 14. The actuator is equipped with a first valve 12 and a second valve 11. A temperature sensor 13 is installed in the middle of the bottom of the damper body 1. A temperature controller 2 is installed at the front of the upper end of the damper body 1. The temperature controller 2 is electrically connected to the temperature sensor 13.

[0023] The shock absorber body 1 is made of double-layer carbon steel 16, with a cooling layer 17 inside. The coolant in the cooling layer 17 cools the inner wall of the shock absorber body 1, thereby reducing the temperature of the shock absorber body 1. The surface of the shock absorber body 1 is coated with a corrosion-resistant layer 15, which is an anti-corrosion paint. The anti-corrosion paint can improve the corrosion resistance of the surface of the shock absorber body 1, thereby increasing its service life. A liquid inlet pipe 6 is provided at the rear of the outer wall of the shock absorber body 1 to facilitate the inflow and outflow of coolant. The inner walls of the lower mounting base 4 and the upper mounting base 9 are both provided with threaded layers 8, and the surface of the threaded layers 8 is provided with small holes. An oil injection pipe 5 is provided in the middle of the outer wall of the lower mounting base 4 and the upper mounting base 9. By injecting lubricating oil into the oil injection pipe 5, the lubricating oil overflows through the small holes, thereby improving the lubrication and not affecting disassembly and installation. Valves are provided on the oil injection pipe 5 and the liquid inlet pipe 6 to facilitate the control of the flow rate.

[0024] The working principle of this utility model is as follows: the lower mounting seat 4 and the upper mounting seat 9 are installed through the threaded layer 8. The sliding rod 7 drives the piston seat 10 to move downward, and the shock absorber body 1 performs shock absorption. When the shock absorber body 1 is in a high-temperature environment, the temperature sensor 13 will detect the temperature change and transmit the signal to the temperature controller 2. The temperature controller 2 controls the actuator to adjust the flow of the first valve 12 and the second valve 11 to compensate for the impact of high temperature on the performance of the shock absorber. When the temperature rises, the temperature controller 2 will increase the flow of the damping fluid 14 to reduce the damping force of the shock absorber and prevent the shock absorber from overheating and failing. Coolant is injected into the cooling layer 17 through the liquid inlet pipe 6 to cool the inner wall of the shock absorber body 1, thereby reducing the temperature of the shock absorber body 1. Lubricating oil is injected into the oil injection pipe 5, and the lubricating oil overflows through the small hole to perform lubrication.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A high-temperature self-compensating vibration damper, comprising a vibration damper body (1), wherein a sliding rod (7) is slidably mounted on the upper end of the vibration damper body (1), an upper mounting seat (9) is mounted on the upper end of the sliding rod (7), a piston seat (10) is mounted on the lower end of the sliding rod (7), a lower mounting column (3) is mounted on the lower end of the vibration damper body (1), and a lower mounting seat (4) is mounted on the lower end of the lower mounting column (3). Its features are: The damper body (1) is filled with damping fluid (14) at the bottom. The damping fluid (14) is made of high-viscosity silicone oil. An actuator is installed above the damping fluid (14). The actuator is equipped with a first valve (12) and a second valve (11). A temperature sensor (13) is installed in the middle of the bottom of the damper body (1). A temperature controller (2) is installed at the front of the upper end of the damper body (1). The temperature controller (2) is electrically connected to the temperature sensor (13).

2. The high-temperature self-compensating vibration damper according to claim 1, characterized in that: The damper body (1) is made of double-layer carbon steel (16), and a cooling layer (17) is provided inside the double-layer carbon steel (16).

3. The high-temperature self-compensating vibration damper according to claim 1, characterized in that: The surface of the damper body (1) is coated with a corrosion-resistant layer (15), which is an anti-corrosion paint.

4. The high-temperature self-compensating vibration damper according to claim 1, characterized in that: The damper body (1) has an inlet pipe (6) on the rear side of its outer wall.

5. The high-temperature self-compensating vibration damper according to claim 1, characterized in that: The inner walls of the lower mounting base (4) and the upper mounting base (9) are provided with threaded layers (8), and small holes are provided on the surface of the threaded layers (8). Oil injection pipes (5) are provided in the middle of the outer walls of the lower mounting base (4) and the upper mounting base (9).

6. The high-temperature self-compensating vibration damper according to claim 5, characterized in that: Valves are installed on both the oil injection pipe (5) and the liquid inlet pipe (6).