Damping devices and switching devices
A technology of damping device and damping cylinder, which is applied in the direction of contact vibration/shock damping, shock absorber, spring, etc., which can solve the problems of short life of damping device, easy to be affected by temperature, and inability to guarantee the damping effect, so as to improve the reliability of use Sexuality and long service life
Active Publication Date: 2016-08-03
双杰电气合肥有限公司
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Problems solved by technology
[0007] The purpose of the present invention is to provide a damping device and a switch device to solve the problems in the prior art that the damping device has a short service life, is easily affected by temperature, and cannot guarantee the damping effect
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[0021] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0022] As a first aspect of the present invention, a damping device is provided. Such as figure 1 Said, the damping device includes: a damping cylinder 10, the damping cylinder 10 includes a guide hole 21 and a damping cavity 11, the guide hole 21 is arranged at the first end of the damping cylinder 10; a damping rod assembly 30, the damping rod assembly 30 passes through the guide hole 21 And it is movably connected with the damping cylinder 10, the damping rod assembly 30 includes a first end 50 and a second end 60; the first end 50 of the damping rod assembly 30 is located in the damping chamber 11, and abuts against the inner wall of the damping cylinder 10 in a circumferential direction to Frictional damping is generated; the second end 60 of ...
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The invention provides a damping device and a switching device. The damping device comprises a damping cylinder, a damping rod assembly and an elastic element, wherein the damping cylinder comprises a guide hole and a damping cavity, the guide hole is arranged at a fist end of the damping cylinder; the damping rod assembly penetrates through the guide hole and is movably connected with the damping cylinder, the damping rod assembly comprises a first end and a second end, the first end of the damping rod assembly is positioned inside the damping cavity and is abutted against the inner wall of the damping cylinder in the circumferential direction to generate frictional damping, and the second end of the damping rod assembly is positioned outside the damping cavity; the elastic element is arranged inside the damping cavity, one end of the elastic element is abutted against the first end of the damping rod assembly, and the other end of the elastic element is abutted against the bottom of the damping cylinder. As the damping effect is realized through the friction between the damping rod assembly and the inner wall of the damping cylinder, the use reliability of the damping device is improved. As the damping device is provided with the elastic element which plays a role in buffering and also provides a restoring force for the motion of the damping rod assembly, the reliability of the damping device is further improved.
Description
technical field [0001] The invention relates to the field of switch devices, and more particularly, to a damping device and a switch device. Background technique [0002] Damping devices are widely used in switchgear, especially in circuit breakers. [0003] Circuit breakers are mainly used in medium and high voltage power distribution devices. When the circuit breaker is working normally, it can connect the no-load and load current in the circuit, and can cut off the short-circuit circuit, so as to protect the safe operation of the equipment. Because the circuit breaker is under a lot of force when it is opened, in order to prevent the phenomenon of large bounce, damping devices are often used for buffering. [0004] Oil damping devices and rubber pad damping devices are mainly used in circuit breakers in the prior art. [0005] The oil damping device has the problem of oil leakage due to poor sealing, which in turn affects the damping effect. At the same time, because ...
Claims
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IPC IPC(8): F16F13/00H01H3/60
Inventor 孙龙宫立超苏金亮唐晓鹏周彦昭
Owner 双杰电气合肥有限公司