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Rubber-metal pad with built-in vertical shock absorber

A vertical shock absorber and rubber pile technology, which is applied in the direction of shock absorbers, shock absorber-spring combinations, shock absorbers, etc., can solve problems such as poor vibration damping effect, large elastic stiffness, and weak restoration force attenuation. Achieve the effects of good vibration reduction, stable operation, and simple settings

Active Publication Date: 2021-08-24
ZHUZHOU TIMES RUIWEI ANTI VIBERATION EQUIP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the present invention is mainly that the traditional rubber pile has high elastic stiffness, weak restoring force attenuation, poor vibration damping effect, and needs to install a vertical shock absorber outside the rubber pile (1)

Method used

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  • Rubber-metal pad with built-in vertical shock absorber
  • Rubber-metal pad with built-in vertical shock absorber
  • Rubber-metal pad with built-in vertical shock absorber

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Such as figure 1-3, a rubber stack with a built-in vertical shock absorber includes a rubber body 2, a base plate 4 arranged at the bottom of the rubber body 2, a top plate 3 arranged at the top of the rubber body 2, and the rubber body 2 has a The vertical shock absorber 10 vertically arranged in the shock absorber hole 21 is arranged vertically in the shock absorber hole 21 connected up and down provided by the center line. The damping piston reciprocating in the cylinder, and the spring that pushes the damping piston back, the damping piston has a damping hole that communicates up and down; It is the cylinder end 9 with a damping cylinder; in the natural state, the spring at the propulsion end 8 and the cylinder end 9 will spread the propulsion end 8 and the cylinder end 9, so that the vertical shock absorber 10 is extended to the longest state, the damping piston is at the top of the damping cylinder. The propulsion end 8 at the upper end of the vertical shock abs...

Embodiment 2

[0043] Such as figure 1 As shown, a vibration damping device comprising the rubber stack according to claim 1 or 2, also includes a hydraulic ring 5 with an annular cavity; the hydraulic ring 5 is made of elastic flexible material, so that it can withstand The deformation produced by the force can return to the original shape when the force is released. The annular cavity is provided with a damping mechanism and damping liquid, the outer edge of the bottom plate 4 of the rubber stack has a cylindrical side wall 42 that rises upward, and the hydraulic ring 5 is arranged on the upper part of the inner wall of the side wall 42 ; When the speed of the train changes in the running process or enters the curve, and the running speed of the train changes while entering the curve, the rubber pile 1 will be stressed longitudinally or horizontally, or inclined in any direction along the horizontal direction, and the rubber One side of the inclined direction of the top plate 3 at the top...

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Abstract

The invention discloses a rubber-metal pad with a built-in vertical shock absorber. The rubber-metal pad comprises a bottom plate arranged at the bottom of a rubber body and a top plate arranged at the top of the rubber body, the rubber body is provided with a shock absorbing hole which is through up and down along an axis, the vertical shock absorber is arranged in the shock absorbing hole, and the upper end and the lower end of the vertical shock absorber are installed on the top plate and the bottom plate respectively. When the vertical force borne by the rubber-metal pad changes, the distance between the top plate and the bottom plate of the rubber-metal pad changes, the vertical shock absorber is made to stretch out and draw back, and a piston in the shock absorber conducts damping motion in the damping hydraulic cylinder so as to achieve vertical energy absorption and shock absorption. The vertical shock absorber is arranged in the rubber-metal pad, so that the rubber-metal pad has the vertical damping characteristic, the problem that a traditional rubber-metal pad is poor in shock absorbing effect due to the fact that the elastic rigidity is too large, and restoring force attenuation is reduced is solved, a train can run more stably when passing through an uneven road, in this way, the vertical shock absorber does not need to be specially arranged in a limited installation space of a bogie, and the arrangement of the bogie is more concise.

Description

technical field [0001] The invention relates to a vibration-damping rubber pile in the secondary suspension of a locomotive bogie of a freight train, in particular to a rubber pile with a built-in vertical shock absorber, and belongs to the technical field of train vibration reduction. Background technique [0002] Air springs are used as damping components in the secondary suspension of existing passenger trains, while locomotives of freight trains still use rubber piles with strong load-bearing capacity as the vibration-damping components of the secondary suspension due to their heavy weight. [0003] Due to the large elastic stiffness of the traditional rubber stack, weak restoring force attenuation, and poor vibration damping effect, it is not conducive to the smooth operation of the train. As a result, when the train is running, the moving parts and contact parts frequently encounter overload shocks, which intensifies the wear of related parts. In order to solve this pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F13/06
CPCF16F13/06
Inventor 刘文松罗俊王峰宇赵斌颉跟虎汤骞刘晴美王彦翔赵刚强桂竹青龚红霞付原庆
Owner ZHUZHOU TIMES RUIWEI ANTI VIBERATION EQUIP LTD