吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (4): 1083-1089.doi: 10.13229/j.cnki.jdxbgxb201604011

• 论文 • 上一篇    下一篇

轨道车辆转向架一系悬挂刚度测定

张益瑞1, 苏建1, 张兰1, 谭富星2, 徐观1   

  1. 1.吉林大学 交通学院,长春 130022;
    2.长春轨道客车股份有限公司 国家工程实验室,长春 130062
  • 收稿日期:2015-03-23 出版日期:2016-07-20 发布日期:2016-07-20
  • 通讯作者: 苏建(1954-),男,教授,博士生导师.研究方向:汽车智能化检测与轨道交通.E-mail:sujianjd@163.com
  • 作者简介:张益瑞(1986-),男,博士研究生.研究方向:汽车智能化检测与轨道交通.E-mail:zyr86913@163.com
  • 基金资助:
    国家自然科学基金项目(51205164); 吉林大学青年科技创新基金项目(450060507032)

Primary suspension stiffness testing of railway vehicle bogie

ZHANG Yi-rui1, SU Jian1, ZHANG Lan1, TAN Fu-xing2, XU Guan1   

  1. 1.College of Transportation, Jilin University, Changchun 130022, China;
    2.National Engineering Laboratory, Changchun Railway Vehicle Co. Ltd., Changchun 130062, China
  • Received:2015-03-23 Online:2016-07-20 Published:2016-07-20

摘要: 为测定轨道车辆转向架一系悬挂的三向动、静态刚度,提出了基于转向架试验台的刚度测定试验方法,利用构架固定装置固定被测转向架构架,将一系悬挂与二系悬挂分离,对一系悬挂沿三个方向分别施加力并测量对应位移,进而计算刚度值,根据测定刚度值评估转向架一系悬挂的弹簧质量和装配关系是否符合要求。对某型号地铁拖车转向架一系悬挂的动、静态刚度进行测定试验,测得一系悬挂的三向静态刚度值和设计值的误差均在设计允许范围(10%)内,被测转向架一系悬挂符合设计要求;1#一系悬挂和2#一系悬挂的横向动态刚度随着频率增加而降低,3#一系悬挂和4#一系悬挂的横向动态刚度则在频率约为5.5 Hz和8.5 Hz时均有波动,不同轮对上动态刚度的不同是由于轮轴和轴箱的装配差异造成的,应该对被测转向架一系悬挂的装配关系进行适当调校。

关键词: 铁路运输, 刚度测定, 转向架试验台, 一系悬挂

Abstract: To determine the primary suspension dynamic and static stiffness of railway vehicle bogie, the test principle and method were proposed based on a new bogie test bench. The primary suspension and the secondary suspension were separated by a frame-fixing device, which was supposed to fasten the frame of the bogie. Forces along three directions were imposed respectively on the primary suspension, and the corresponding displacements were measured to calculate the stiffness. According to the calculated stiffness the spring quality and assembly relationship of the primary suspension were evaluated. For a certain metro trailer bogie, the dynamic and static stiffness of the primary suspension were measured by experiments. It is shown that differences between the measured static stiffness and the designed static stiffness of the primary suspension along the three directions are within allowed range of 10%. So the tested primary suspension of the bogie meets the designing requirements. The dynamic horizontal stiffness of the primary suspension is supposed to decrease with the increase in its corresponding frequency. However unlike 1# and 2# primary suspensions, which follow the principle mentioned above, the horizontal dynamic stiffness of 3# and 4# primary suspensions both fluctuated around the frequencies of 5.5 Hz and 8.5 Hz. This difference between the wheel sets is attributed to the assembly deviation of the wheels and axle box. Therefore, the assembly relationship of the primary suspension of the tested bogie should be appropriately adjusted.

Key words: railway transport, stiffness testing, bogie test bench, primary suspension

中图分类号: 

  • U260.331
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