[1]郑志伟,黄志辉.高速变轨距转向架轴箱轴承在偏载作用下的寿命评估[J].机车电传动,2020,(05):106-110.[doi:10.13890/j.issn.1000-128x.2020.05.102]
 ZHENG Zhiwei,HUANG Zhihui.Life Evaluation of High-speed EMU Variable Gauge BogieAxle Box Bearing under Partial Load[J].Electric Drive for Locomotives,2020,(05):106-110.[doi:10.13890/j.issn.1000-128x.2020.05.102]
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高速变轨距转向架轴箱轴承在偏载作用下的寿命评估()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年05期
页码:
106-110
栏目:
研究开发
出版日期:
2020-09-10

文章信息/Info

Title:
Life Evaluation of High-speed EMU Variable Gauge BogieAxle Box Bearing under Partial Load
文章编号:
1000-128X(2020)05-0106-05
作者:
郑志伟黄志辉
(西南交通大学 牵引动力国家重点实验室,四川 成都 610031)
Author(s):
ZHENG Zhiwei HUANG Zhihui
( State Key Laboratory of Traction Power, Southwest Jiaotong Universty, Chengdu, Sichuan 610031, China )
关键词:
高速动车组变轨距转向架轴箱轴承偏载疲劳寿命有限元分析
Keywords:
high-speed EMU variable gauge bogie axle box bearing partial load fatigue life FEA
分类号:
U292.91+4
DOI:
10.13890/j.issn.1000-128x.2020.05.102
文献标志码:
A
摘要:
针对一种高速动车组变轨距转向架轴箱轴承的寿命进行评估。受轮对变轨距的影响,轴箱轴承要兼顾2种轨距而承受偏载,从而产生偏载效应以及边缘效应,使得线接触负重偏载端先于其他部分过早失效,所以有必要对变轨距转向架轴箱轴承展开寿命评估。文章对其在偏载工况下的疲劳寿命进行了计算,并对双列圆柱滚子轴承的滚子进行修形,通过数值分析得到了不同偏载量与滚子轴承疲劳寿命之间的拟合曲线。计算表明,偏载影响轴承的疲劳寿命,但仍能满足设计要求。
Abstract:
The life of the axle box bearing of a high-speed EMU variable gauge bogie was evaluated. The axle box bearing should take two kinds of gauge and bear partial load due to the influence of the wheel track distance, thus producing the partial load effect and the edge effect, which made the line contact load bearing end failure earlier than the other parts. Therefore, it was necessary to evaluate the expansion life of the axle box bearing of the variable gauge bogie. The fatigue life of the double row cylindrical roller bearing was calculated and the roller of the double row cylindrical roller bearing was repaired. The fitting curve between the different load and the fatigue life of the roller bearing was obtained by numerical analysis. The calculation showed that the partial load greatly affected the fatigue life of the bearing, but it could still meet the design requirements.

参考文献/References:

[1] 毛月新. 偏载滚子轴承凸度设计及疲劳寿命分析[D]. 上海: 上海大学, 2009.[2] 崔立, 何亚飞, 蔡池兰. 圆柱滚子轴承凸度设计及其对疲劳寿命影响[J]. 机械设计与研究, 2015, 31(5): 67-70.[3] 马文博. 基于接触分析的凸度滚子轴承力学特性研究与结构优化[D]. 南京: 南京航空航天大学, 2010.[4] 张瑞田, 赵永翔, 蔡慧. 偏载对铁路货车轴颈轴承概率寿命的影响[J]. 机械工程学报, 2015, 51(24): 177-183.[5] 王志坚, 沈雪瑾, 陈晓阳. 不同修形滚子抗偏载能力的分析[C]//中国科学院兰州化学物理研究所固体润滑国家重点实验室, 中国机械工程学会摩擦学分会. 第十一届全国摩擦学大会论文集.兰州: 中国机械工程学会摩擦学分会, 2013: 1-2.[6] 濮良贵, 纪名刚. 机械设计[M]. 8版. 北京: 高等教育出版社, 2006.[7] 魏延刚, 宋宇谟, 刘彦奎. 基于有限元法的推力圆锥滚子轴承动态接触分析[J]. 机电工程, 2019, 36(4): 352-356.

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备注/Memo

备注/Memo:
作者简介:郑志伟(1993—),男,硕士研究生,研究方向为车辆系统动力学、结构与强度。
更新日期/Last Update: 2020-09-10