动载荷作用下铁路货车轴承的动力学分析  

Dynamics Analysis of Railway Wagon Bearing Under Dynamic Load

作　　者：朱爱华[1] 朱成九[1] 肖毅华[1] 

机构地区：[1]华东交通大学机电工程学院与土木工程学院,南昌330013

出　　处：《机械设计与研究》2015年第1期62-64,共3页Machine Design And Research

基　　金：国家自然科学基金资助项目(11302077;51268016)

摘　　要：基于LS-DYNA建立了353130B轴承三维有限元模型,在对模型的边界条件进行合理假设的条件下,采用该软件对353130B轴承的动应力和动变形进行分析,编制了参数化计算程序,方便、直观地得出了轴承内外圈以及滚动体不同部位的动应力和动变形。计算结果与赫兹理论解具有较好的一致性,表明模型的建立以及约束条件和接触参数设置准确、合理,计算结果为滚动轴承的设计和优化提供了依据,计算方法也便于工程应用。The three-dimensional finite element model of 353130B beating was established by LS-DYNA. According to the reasonable assumptions on the model ＂s boundary conditions, the dynamic stress and deformation of 353130B bearing were analyzed. The parameter calculation programs can calculate the dynamic stress and deformation conveniently and intuitively for the different paris of the inner and outer rings of the bearing and the rolling body. The calculation results are in accordance with the Hertz theory. It shows the model, the constraint conditions and contact parameters are accurately and reasonably. The calculation results provide the basis for the design and optimization of the roiling bearings and the calculation methods are convenient for engineering applications.

关 键 词：353130B轴承 LS—DYNA 动应力 速度 位移 

分 类 号：TH133.3[机械工程—机械制造及自动化]