摘要
针对时速160 km动力集中动车组的折棚风挡在运用过程中出现的拉簧断裂故障进行了原因分析,提出了结构改进方案,并通过计算和试验验证了改进结构拉簧的寿命明显提高。
This paper conducts the cause analysis of tension spring fracture of gangway bellows of 160 km/h power concentrated EMU during application process,puts forward structural improvement scheme.Through calculation and test,it is verified that service life of tension spring with improved structure is significantly increased.
作者
杜慧勇
李康
曹媛
刘理智
何一壮
鲁超
DU Huiyong;LI Kang;CAO Yuan;LIU Lizhi;HE Yizhuang;LU Chao(Locomotive Development Department of CRRC Dalian Locomotive and Rolling Stock Co.,Ltd.,Dalian 116021,China;CRRC Nanjing Puzhen Rolling Stock Co.,Ltd.,Nanjing 210031,China;CRRC Zhuzhou Locomotive Co.,Ltd.Zhuzhou 412000,China;Zhuzhou Gofront Brake Equipment Co.,Ltd.,Zhuzhou 412001,China;Changzhou KTK Gangway System Co.,Ltd.,Changzhou 213164,China;GINYO Transport Facilities Co.,Ltd.,Changchun 130103,China)
出处
《铁道车辆》
2022年第5期105-108,共4页
Rolling Stock
基金
中国中车集团重点科研项目(2016J002-C)。
关键词
折棚风挡
拉簧
疲劳断裂
结构优化
试验验证
gangway bellow
tension spring
fatigue fracture
structural optimization
test verification
