四点支撑式双后桥平衡悬架设计  

Four-point Support Type Double Rear Axle Balance Suspension

作　　者：申国伟 王元 张东 Shen Guowei;Wang Yuan;Zhang Dong(Shaanxi Heavy Duty Automobile Co.,Ltd,Shaanxi Xi’an 710200)

机构地区：[1]陕西重型汽车有限公司,陕西西安710200

出　　处：《汽车实用技术》2020年第20期42-44,共3页Automobile Applied Technology

摘　　要：文章介绍了一种重型商用汽车用的四点支撑式双后桥平衡悬架设计方法,对该悬架的结构、工作原理进行阐述,建立该悬架的力学模型,并推导出轴荷比公式,通过CATIA软件建立DMU仿真模型,进一步对板簧长度、平衡臂的几何尺寸及板簧布置尺寸进行优化,使轴荷比始终保持在0.88~1.14的设计目标,并结合有限元分析软件对设计的关键零部件进行强度分析,以确保满足设计要求。This paper introduces a design method of four-point supporting double rear axle balanced suspension for heavy commercial vehicles,explains the structure and working principle of the suspension,establishes the mechanical model of the suspension,and derives the axle load ratio formula,The DMU simulation model is established through CATIA software,and the length of the leaf spring,the geometric size of the balance arm and the layout size of the leaf spring are further optimized to keep the axial load ratio at the design goal of 0.88~1.14.The strength analysis of the key components meets the design requirements.

关 键 词：四点支撑式 双后桥 平衡悬架 悬架设计 

分 类 号：U463.33[机械工程—车辆工程]