双动力高速动车组动力包框架仿真及试验研究  

Simulation and experimental research on the power pack frame of dual-power high-speed multiple-unit trains

作　　者：宋清林 林建华 李文勇 类延磊 杨化龙 朱丹 SONG Qinglin;LIN Jianhua;LI Wenyong;LEI Yanlei;YANG Hualong;ZHU Dan(Research and Development Center,CRRC Dalian Institute Co.,Ltd.,Dalian,Liaoning 116021,China)

机构地区：[1]中车大连机车研究所有限公司研发中心,辽宁大连116021

出　　处：《机车电传动》2024年第1期46-57,共12页Electric Drive for Locomotives

基　　金：辽宁省科学计划项目(2021JH1/10400073)。

摘　　要：文章介绍了双动力高速动车组动力包的结构特点,利用HyperMesh软件建立动力包框架有限元模型;根据EN 12663-1标准确定动力包框架的静强度和疲劳强度工况;根据Von Mises应力评估动力包框架结构的静强度;根据DVS 1612标准评估动力包框架的焊接疲劳强度。利用ANSYS软件,对动力包框架进行自由模态分析;根据双层隔振理论建立动力包动力学模型;根据ISO 10816-6标准,计算动力包的振动烈度;根据ISO 8528-9标准,对动力包框架进行振动试验。通过对动力包框架的仿真分析和振动试验,结果表明,动力包框架能够满足相关标准设计要求。In this paper,the structural characteristics of the power pack in dual-power high-speed multiple-unit trains were presented.The finite element model of the power pack frame was established using HyperMesh,and the static strength and fatigue strength conditions of the power pack frame were determined based on EN 12663-1.The static strength of the power pack frame structure was evaluated using Von mises stress theory,and the welding fatigue strength according to DVS 1612.ANSYS software was utilized for free mode analysis of the power pack frame,while a dynamics model was developed on the basis of the double-layer vibration isolation theory.Vibration intensity of the power pack was calculated following ISO 10816-6,and vibration tests were conducted on the power pack frame in accordance with ISO 8528-9.Through simulation analysis and vibration tests on the power pack frame,the results show that the power pack frame satisfies the design requirements specified by relevant standards.

关 键 词：高速动车组 动力包 静强度 疲劳强度 模态分析 隔振效率 振动烈度 

分 类 号：U266.2[机械工程—车辆工程] U292.914[交通运输工程—载运工具运用工程]