地铁车辆构架裂纹故障分析  

Crack Fault Analysis in Metro Bogie Frames

作　　者：董磊[1] 程建会[1] 付德龙[1] 

机构地区：[1]中车长春轨道客车股份有限公司技术中心,吉林长春130062

出　　处：《铁道车辆》2016年第8期5-8,4,共4页Rolling Stock

摘　　要：针对某地铁车辆构架产生裂纹的问题,以线路实测的应力和加速度-时间历程为基础,通过时域和频域的分析比较,找出了构架应力响应过大的原因,并对车辆和线路的维护提出了建议。In view of the problem of cracking in metro bogie frames,on the basis of the actually measured stress and acceleration time history on track,through the analysis and comparison of time domain and frequency domain,the causes to high stress on bogie frames are found out,and suggestions are given on the maintenance of vehicles and track.

关 键 词：地铁车辆 动车转向架 构架 裂纹 故障分析 

分 类 号：U270.331.8[机械工程—车辆工程]