Buffer combining polymeric elastic components and metal friction components

A technology of elastic elements and friction elements, which is applied in the field of coupler buffers for locomotives and vehicles, can solve the problems that cannot meet the requirements of high energy absorption rate of the buffer, and achieve the effect of simple structure, high reliability and improved absorption rate

Inactive Publication Date: 2016-02-24
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the absorption rate of this kind of buffer is about 70%, which cannot meet the requirements of modern rolling stock for the high energy absorption rate of the buffer

Method used

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  • Buffer combining polymeric elastic components and metal friction components
  • Buffer combining polymeric elastic components and metal friction components
  • Buffer combining polymeric elastic components and metal friction components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The shell is a cylindrical shell, and the inner diameter of the lower chamber of the shell is 10mm larger than the inner diameter of the upper chamber. There are seven polymer elastic elements 3, eight metal spacers 2, four wedge-shaped grooves on the outer surface of the wedge-shaped block installation cylinder 4, and four wedge-shaped blocks. The wedge-shaped angle between the wedge-shaped groove and the wedge-shaped block is the inclined plane and the horizontal plane. The included angle is 50°, the bottom surface of the wedge-shaped groove is an inclined plane, and the two sides of the groove are vertical planes.

Embodiment 2

[0031] The housing is a square cylindrical housing, and the inner diameter of the lower chamber of the housing is 10 mm larger than the inner diameter of the upper chamber. There are seven polymer elastic elements 3, eight metal spacers 2, two wedge-shaped grooves on the outer surface of the wedge-shaped block installation cylinder 4, and two wedge-shaped blocks. The wedge-shaped angle between the wedge-shaped groove and the wedge-shaped block is the inclined plane and the horizontal plane. The included angle is 45°, the bottom surface of the wedge-shaped groove is an inclined plane, and the two sides of the groove are vertical planes.

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PUM

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Abstract

A buffer combining polymeric elastic components and metal friction components comprises a shell, one set of the polymeric elastic components, one set of metal spacers, a wedge block installation cylinder, a set of wedge block bodies, a pressing block, a mandrel, a nut and a thread connection looseness preventing piece. The elastic components, the metal spacers, the wedge block installation cylinder, the wedge block bodies and the pressing block are fixedly connected with the shell through the nut and the thread connection looseness preventing piece which are arranged at the end of the mandrel. The buffer has the beneficial effects that compared with an existing elastic body buffer, the buffer is higher in energy absorption rate; the working environment of the elastic components and the metal spacers is superior to that of elastic components and metal spacers of the existing elastic body buffer; and the buffer is simple in structure, small in part number, low in manufacturing cost, easy to use, maintain and operate and high in reliability.

Description

technical field [0001] The invention belongs to the technical field of mechanical engineering, in particular to mechanical equipment for reducing vibration and alleviating impact, in particular to a coupler buffer for locomotives and vehicles. Background technique [0002] Among the freight locomotive and vehicle coupler buffers currently used at home and abroad, the vapor-liquid and cement buffers have better buffering performance, but the reliability is average; the rubber buffer has a lower capacity; the all-steel friction buffer has high reliability, but the buffer The performance is unstable and discrete; the friction cement and friction hydraulic buffer have excellent cushioning performance, but these two types of buffers have complex structures and poor reliability. [0003] The polymer elastomer (TPEE) buffer has good anti-aging performance, and its sensitivity to temperature is much lower than that of rubber to temperature. It has strong vibration absorption ability...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61G11/08
CPCB61G11/08
Inventor 魏延刚宋亚昕李维忠朱法元
Owner DALIAN JIAOTONG UNIVERSITY
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