Research on Life Extension of Primary Rubber Springs for Railway Vehicles

Yunjie FAN; Yuxiang ZHANG; Haiming TAN; Zhiguo LI; Jun LUO; Zhongsan JIANG

doi:10.13890/j.issn.1000-128x.2021.01.008

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Research on Life Extension of Primary Rubber Springs for Railway Vehicles

Material Column | 更新时间：2021-12-09

- Research on Life Extension of Primary Rubber Springs for Railway Vehicles
- Electric Drive for Locomotives Issue 1, Pages: 40-46(2021)
- 作者机构：
  
  1.中车青岛四方机车车辆股份有限公司，山东　青岛　266111
  2.株洲时代新材料科技股份有限公司，湖南　株洲　412007
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2021.01.008
  CLC：
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Yunjie FAN, Yuxiang ZHANG, Haiming TAN, et al. Research on Life Extension of Primary Rubber Springs for Railway Vehicles. [J]. Electric Drive for Locomotives (1):40-46(2021)
DOI：

Yunjie FAN, Yuxiang ZHANG, Haiming TAN, et al. Research on Life Extension of Primary Rubber Springs for Railway Vehicles. [J]. Electric Drive for Locomotives (1):40-46(2021) DOI： 10.13890/j.issn.1000-128x.2021.01.008.

摘要

为了解和掌握一系锥形橡胶弹簧这类轨道车辆关键部件在实际线路运行1个寿命周期（5年或60万km）后的真实变化情况，支撑后续该类部件寿命延长的研究及国产化，以某型轨道车辆用一系锥形橡胶弹簧为研究对象，通过对新造和实际线路运用满1个寿命周期的样品进行测试，获得了其关键性能数据和橡胶材料数据。试验结果显示，经过1个寿命周期运用后该型一系锥形橡胶弹簧外观、粘接性能良好，垂向、横向、纵向刚度均上升，压缩高下降，耐疲劳、耐老化性能下降。最后，根据实际变化情况，给出了研制国产化一系锥形橡胶弹簧的优化建议。

Abstract

In order to understand and master the real change after the operation of a lifespan (5 years or 600,000 km) of the primary conical rubber spring, which is a critical part for railway vehicles, and to provide data support for life extension research and products localization, primary conical rubber springs of railway vehicles were set as the research object and tested. The data of key characteristics and rubber material were achieved by testing the rubbers samples which composed of new manufactured samples and samples that have been used in service for a lifespan. The test results showed that the appearance and bonding performance of the primary conical rubber springs after the operation for a lifespan still remained in good condition, and their vertical stiffness, lateral stiffness, longitudinal stiffness were increased, while compression height, fatigue tolerance, and aging resistance were decreased. Finally, according to the actual change from the research, the optimization suggestions for research on domestic production of conical rubber spring were proposed.

关键词

轨道车辆一系锥形橡胶弹簧性能变化橡胶变化优化建议寿命延长

Keywords

railway vehiclesprimary conical rubber springchange of characteristicschange of rubberoptimization suggestionlife extension

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