作者：杨新顺1, 谈光春2, 焦敏3
作者单位：1. 重庆化工职业学院智能制造与汽车学院，重庆 401220;
2. 北京北方车辆集团有限公司车体分厂，北京 100072;
3. 重庆大学汽车工程学院，重庆 400030
关键词：升降机构;运动学;有限元分析;动态力学性能
摘要：
针对家用轿车不用高度差升降（进出地下库和空间立体车库等）的问题，设计出一种新型汽车升降平台机构并进行相关研究和分析。首先，运用机构学理论建立所设计机构的运动学模型，从多种驱动方式中筛选出最优解，为实际工程应用奠定理论基础。其次，运用三维建模软件搭建升降平台机构的样机模型，并基于ANSYS软件进行有限元分析，通过分析能够得到机构的力学动态特性变化云图，分析结果表明：整体机构能够满足各项性能参数指标，并在可升降Y方向具有较好的抵抗变形能力和刚度特性。
Research on kinematic and dynamic characteristics of automobile lifting platform mechanism
YANG Xinshun1, TAN Guangchun2, JIAO Min3
1. School of Intelligent Manufacturing and Automobile, Chongqing Chemical Industry Vocational College, Chongqing 401220, China;
2. Automobile Body Factory, Beijing North Vehicle Group Corporation, Beijing 100072, China;
3. School of Automotive Engineering, Chongqing University, Chongqing 400030, China
Abstract: Aiming at the problem that the family car doesn't need height difference to lift (in and out of the underground garage and space three-dimensional garage, etc.), a new type of car lifting platform mechanism is designed, and the related research and analysis are carried out. Firstly, the kinematic model of the designed mechanism is established by using the mechanism theory, and the optimal solution is selected from a variety of driving modes, which lays a theoretical foundation for practical engineering application. Secondly, the three-dimensional modeling software is used to build the prototype model of the lifting platform mechanism, and the finite element analysis is carried out based on ANSYS software. Through the analysis, the mechanical dynamic characteristics of the mechanism can be obtained. The analysis results show that the whole mechanism can meet the performance parameters, and has good resistance to deformation and stiffness characteristics in the lifting Y direction.
Keywords: lifting mechanism;kinematics;finite element analysis;dynamic mechanical properties
2021, 47(8):144-149,164 收稿日期: 2021-01-27;收到修改稿日期: 2021-02-19
基金项目: 国家自然科学基金（51275540）
作者简介: 杨新顺(1979-),男,河南南阳市人,副教授,硕士,研究方向为机械制造与自动化
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