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四连杆式悬架是技术比较先进的悬架形式,可以从设计上保证车辆良好的直线行驶性能并最大程度减轻载荷的影响。通过对一般结构悬架的力学分析,总结了车辆在纵向与侧向运动特性要求下的悬架设计规则,同时建立了四连杆式悬架多刚体系统模型并对杆件位置姿态和车轮定位参数等特性进行了仿真,经过数值处理获得了四连杆悬架的各项性能。最后还通过对比麦弗逊式悬架,说明了前者的优势所在。
Four-link suspension technology is more advanced form of suspension can be designed to ensure that the vehicle’s good linear driving performance and to minimize the impact of the load. Through the mechanical analysis of general structural suspension, the design rules of suspension under the requirement of longitudinal and lateral movement characteristics of vehicle are summarized. At the same time, the multi-rigid body system model of four-link suspension is established and the position, attitude and wheel orientation Parameters and other characteristics of a simulation, after the numerical processing obtained four-bar suspension performance. Finally, by comparing the McPherson suspension, illustrates the advantages of the former.