轻型商用车后减振器下支架故障分析及解决方案  

Failure analysis and solution of the low support frame of the rear absorber for light commercial vehicle

作　　者：陈丽 常勇 聂文武 郭可涛 CHEN Li;CHANG Yong;NIE Wenwu;GUO Ketao(Weichai Power Shanghai Research and Development Center,Shanghai 201114 China;Qingte Group Technical Center,Shandong Qingdao 266109 China)

机构地区：[1]潍柴动力上海研发中心,上海201114 [2]青特集团技术中心,山东青岛266109

出　　处：《山东交通科技》2020年第6期104-106,共3页

摘　　要：针对国内某轻型商用车后减振器下支架,在进行可靠性道路试验过程中出现焊缝开裂、脱落,导致后减振器失效,造成车辆舒适性较差。通过CAE软件对下支架优化方案进行分析对比以及道路试验验证,确认最终改进解决方案。This paper aims at a light commercial vehicle in China rear absorber low support frame,in the reliability road test process appeared weld cracking,falling off from the rear axle housing,resulting in the failure of the postshock reducer,resulting in poor vehicle comfort.Through CAE software,the lower support frame optimization scheme is analyzed and compared with the road test verification to confirm the final improvement solution.

关 键 词：后减振器 下支架 应力 疲劳寿命 

分 类 号：U463[机械工程—车辆工程]