全转动副汽车升降机构动力学分析  

Dynamic Analysis of the Lifting Mechanism of the Fully Rotating Auxiliary Vehicle

作　　者：肖祖铭 郭瞻 XIAO Zu-ming;GUO Zhan(School of Mechanical and Electronic Engineering Jingdezhen University,Jiangxi Jingdezhen 333000,China)

机构地区：[1]景德镇学院机械电子工程学院,江西景德镇333000

出　　处：《机械设计与制造》2023年第4期56-59,64,共5页Machinery Design & Manufacture

基　　金：景德镇市科技计划学科建设项目(20202GYZD015-01)。

摘　　要：汽车升降机构在底盘维护和高空落停问题中具有广泛的应用。设计出一种新型全转动副汽车升降机构并进行相关研究,首先建立机构的运动学模型,求出各构件角度变化表达式,为进一步动力学分析奠定了基础。其次运用Lagrange方程构建整体机构的动力学模型,通过SolidWorks建立汽车升降机的虚拟样机模型,分别对其进行动力学数值计算和虚拟仿真,验证所建运动学和动力学模型的正确性和有效性。在此给定升降载荷范围在1.1t到3.5t时,求解出所需驱动力矩区间曲线,为实际工程应用提供了数据参考。Automobile lifting mechanism was widely used in chassis maintenance and high altitude landing and stopping.A new type of lifting mechanism with full rotation pair was designed in this paper and to studing.Firstly,the kinematic model of the mechanism is established,and the expression of the angle change of each component is obtained,which lays a foundation for further dynamic analysis.Secondly,Lagrange equation is used to build the dynamic model of the whole mechanism,and Solid-Works was used to building the virtual prototype model of the automobile lifting.The dynamic numerical calculation and virtual simulation were carried out to verify the correctness and effectiveness erf the built kinematic and dynamic model.Given the lifting load range from 1.1t to 3.5t,the required driving torque interval curve is obtained,which provides data reference for practical engineering application.

关 键 词：汽车升降机构 运动学 动力学 LAGRANGE方程 

分 类 号：TH16[机械工程—机械制造及自动化] TH112