薄壁圆管变形吸能元件准静态压溃吸能分析  

Analysis of quasi-static compression energy absorption of thin-wall cylindrical energy absorption device

作　　者：刘德学 何清和[2] 袁文辉[2] 刘进华 

机构地区：[1]南车株洲电力机车有限公司制动分公司,湖南株洲412001 [2]南车株洲电力机车有限公司技术中心,湖南株洲412001

出　　处：《电力机车与城轨车辆》2011年第3期37-39,50,共4页Electric Locomotives & Mass Transit Vehicles

基　　金：科技型中小企业技术创新基金项目(10C26214302521)

摘　　要：阐述了薄壁圆管用作重载机车变形吸能元件的优点,用动态渐近屈曲的理论分析了该结构的力学性能和吸能特性。同时,还从试验角度对这些特性进行了研究。This paper presents the advantages of the thin-wall cylindrical when it is used as an energy absorption device of heavy-load locomotive.It also analyzes the force as well as energy absorption characteristics of this structure with the theory of dynamic asymptotical flexuosity.The characteristics are researched by experimental means.

关 键 词：薄壁圆管 准静态压缩 吸能元件 

分 类 号：U260.2[机械工程—车辆工程]