某电动商用车电驱动桥多轴振动试验研究  

Research on multi-axial vibration test of electric drive axle of an electric commercial vehicle

作　　者：杨军[1,2] 陈维涛 肖波 Yang Jun;Cheng Weitao;Xiao Bo(Product Development&Technical Center,Jiangling Motors Co.,Ltd.,Nanchang 330000,China;Jiangxi Engineering Research Center of Passenger Car Structure Design,Nanchang 330000,China)

机构地区：[1]江铃汽车股份有限公司产品开发中心,江西南昌330000 [2]江西省乘用车结构设计工程研究中心,江西南昌330000

出　　处：《汽车知识》2023年第10期88-90,共3页Auto Know

摘　　要：电驱动后桥是电动商用车的核心部件,为整车行驶提供动力。针对某款商用车的电驱动后桥在整车路试过程中出现电机安装支架螺栓松动及支架开裂问题,采集道路载荷谱,并运用多轴振动台进行道路模拟试验,台架复现整车路试失效问题。对原始道路载荷谱进行编辑处理,删减小幅值工况并调整其他工况循环数,得到全新的台架振动试验载荷谱,新的载荷谱在损伤基本没变的前提下,将道路模拟试验的时间大幅减少,缩短了产品开发周期。Electric drive axle is the core component of electric commercial vehicle,which provide power for the vehicle.The motor mounting bracket crack and bolts loosen of one electric drive rear axle of one commercial vehicle,collected the road load data,and carry out road simulation test with the multi-axial shaking table,and road failure reappearance on the test rig.Edit the original road load data,delete the small value event,and adjust the cycle of the other events,get the new vibration test load spectrum.the damage of the new load spectrum is the same as the original load spectrum,but greatly reduce the time of road simulation test,shorten the time of product development.

关 键 词：多轴振动 道路载荷谱 损伤等效 道路模拟 

分 类 号：U467[机械工程—车辆工程]