某乘用车车内轰鸣音问题分析与解决  

The Analysis and Solution on the Automobile Interior Boom

作　　者：焦红莲[1] 李光明[1] 孟祥伟[1] 苏家杰[1] 

机构地区：[1]安徽江淮汽车股份有限公司技术中心,安徽省合肥市230601

出　　处：《农业装备与车辆工程》2014年第6期64-67,共4页Agricultural Equipment & Vehicle Engineering

摘　　要：以试验模态测试与频谱分析相结合的方法进行问题识别,发现传动轴共振是引起某乘用车在3 100 r/min时车内噪音的主要原因,并从传动系统动力吸振器匹配方面进行研究,提出了对驱动轴优化方案。试验测试结果表明,该方案有效解决了噪声问题。In experimental modal testing and frequency analysis,it was found that resonance of drive shaft is the main reason of large vibration amplitude of the interior boom at 3 100 r / min.Thus,dynamic vibration absorber was applied to the drive shaft for vibration reduction,which optimizes the drive shaft structure.The result of examination shows that the problem of the interior boom has been solved.

关 键 词：频谱分析 试验模态 动力吸振器 

分 类 号：TB53[理学—物理]