Experimental Research on Variable Stiffness Property of Hydraulic Ball Joint for Rail Vehicles

Xingwu DING; Wei WEI; Jiling BU; Shiqiang WANG; Bo ZOU; Tao WANG

doi:10.13890/j.issn.1000-128x.2019.05.029

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Experimental Research on Variable Stiffness Property of Hydraulic Ball Joint for Rail Vehicles

Test & Detection | 更新时间：2021-12-13

- Experimental Research on Variable Stiffness Property of Hydraulic Ball Joint for Rail Vehicles
- Electric Drive for Locomotives Issue 5, Pages: 133-136(2019)
- 作者机构：
  
  1.株洲时代新材料科技股份有限公司，湖南　株洲　412007
  2.中车长春轨道客车股份有限公司，吉林　长春　130062
  3.BOGE　Elastmetall　GmbH,　Bonn,　Germany　53175
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.05.029
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Xingwu DING, Wei WEI, Jiling BU, et al. Experimental Research on Variable Stiffness Property of Hydraulic Ball Joint for Rail Vehicles. [J]. Electric Drive for Locomotives (5):133-136(2019)
DOI：

Xingwu DING, Wei WEI, Jiling BU, et al. Experimental Research on Variable Stiffness Property of Hydraulic Ball Joint for Rail Vehicles. [J]. Electric Drive for Locomotives (5):133-136(2019) DOI： 10.13890/j.issn.1000-128x.2019.05.029.

摘要

提出了一种具有变刚度特性的用于轨道车辆转向架轴箱定位系统的液压球铰，它主要通过在橡胶体中内嵌液压机构来实现动态刚度的提升。介绍了其变刚度的实现原理，并采用试验的方法重点研究了该液压球铰的频率相关性、振幅相关性和预载相关性。试验结果表明，该液压球铰能够实现低频低刚度和高频高刚度的变刚度特性，而且其变刚度特性与激励振幅和预载水平强相关。所述结构方案和研究结果对指导液体橡胶复合减振技术在轨道车辆上的工程化应用具有重要意义。

Abstract

One hydraulic ball joint with variable stiffness characteristics for rail vehicles was proposed, which used hydraulic mechanism embedded in rubber elastomer to improve dynamic stiffness. The implementation principle of the variable stiffness characteristics was introduced, and the frequency dependence, amplitude dependence and pre-load dependence of hydraulic ball joint was mainly experimental researched. The test results showed that this hydraulic ball joint can achieve low stiffness at low frequency and high stiffness at high frequency, and this property is strongly related to excitation amplitude and pre-load. The structural scheme and research findings are of great significance to guide the engineering application of the liquid rubber composite vibration damping technology on rail vehicles.

关键词

轨道车辆液压球铰变刚度特性，减振技术

Keywords

rail vehiclehydraulicball jointvariable stiffness characteristicsvibration damping technology

references

THANH Q T, AHN K K. A new type of semi-active hydraulic engine mount using controllable area of inertia track[J]. Journal of Sound and Vibration, 2010, 329(3): 247-260.

范让林, 吕振华. 液阻悬置非线性动特性及其参数识别方法[J]. 机械工程学报, 2007, 43(7): 145-151.

VOLKER G. Hydrosprings for application in railway vehicles as primary suspension[C]. Zilina, Slovakia: 16th International Conference “Current Problems in Roll Vehicles-Prorail 2003”, October 8-10, 2003.

赵熙雍, 张亚新. 金属橡胶液体复合弹簧的发展和应用[J]. 机车电传动, 2002 (2): 5-8.

李志强. 金属橡胶液压复合弹簧在快速货车转向架上的应用[J]. 铁道机车车辆, 2014, 34(6): 23-26.

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