高速动车组排障器结构轻量化研究  

Research on Lightweight Cowcatcher Structures of High Speed EMU

作　　者：孙业琛 孙丽萍[1] 王玉艳[1] 曾子铭 卢佳妮 SUN Yechen;SUN Liping;WANG Yuyan;ZENG Ziming;LU Jiani(School of Locomotive and Rolling Stock Engineering,Dalian Jiaotong University,Dalian 116028,China)

机构地区：[1]大连交通大学机车车辆工程学院,辽宁大连116028

出　　处：《大连交通大学学报》2020年第4期86-89,共4页Journal of Dalian Jiaotong University

摘　　要：依据某高速动车组排障器的静强度计算结果,利用HyperWorks有限元仿真软件对其结构依次进行拓扑优化和尺寸优化.综合考虑制造工艺、外形美观和型材参数等因素,对优化结果进行修正得到最终方案.结果表明,在满足静强度相关要求的前提下,排障器结构整体减重14.45%,材料利用率显著提高,轻量化设计取得显著效果,为日后排障器结构设计提供参考.According to the static strength calculation result of a cowcatcher for high-speed EMU,topology optimization and size optimization of the cowcatcher structure is conducted by using HyperWorks.Considering the factors such as manufacturing technology,artistic appearance and material parameters,the final scheme is obtained by modifying the optimized result artificially.The result shows that with meeting the static strength requirements,the overall weight is reduced by 14.45%,which means that the material utilization rate is significantly improved.The lightweight design has achieved significant result that will provide a reference for the design of cowcatcher in the future.

关 键 词：动车组 排障器 拓扑优化 尺寸优化 

分 类 号：U266[机械工程—车辆工程]