重型商用汽车挡泥板支架振动频率分析及优化  

Vibration Frequency Analysis and Optimization of Heavy-Duty Commercial Automobile Fender Support

作　　者：陈冲 种晖 张靖 CHEN Chong;CHONG Hui;ZHANG Jing(Shaanxi Heavy Duty Automobile Co.,Ltd.,Automotive Engineering Research Institute,Shaanxi Xi’an 710200)

机构地区：[1]陕西重型汽车有限公司汽车工程研究院,陕西西安710200

出　　处：《汽车实用技术》2021年第19期55-57,共3页Automobile Applied Technology

摘　　要：针对某重型商用车挡泥板支架在怠速下的抖动问题,文章提出优化之后的挡泥板支架方案。经过CAE结构仿真分析、振动加速度测试以及主观评价,证明优化结构之后的挡泥板支架可以有效避开发动机的怠速频率,避免发生共振现象。The problem of the shaking of the heavy commercial vehicle fender bracket under the operating condition of idle,An optimized scheme of the fender bracket was proposed in this paper.Then the optimized scheme has been CAE analyzed,and vibration acceleration test as well as subjective evaluated.It is proved that the optimized structure of the fender bracket can effectively avoid the frequencies of the idle of the engine,and can also avoid the resonance phenomenon.

关 键 词：挡泥板支架 CAE 模态振型 振动频率 

分 类 号：U462.1[机械工程—车辆工程]