摘要
利用多体动力学方法建立了汽车用球笼式和三销轴式等速万向节及其组成的等速传动轴的虚拟样机模型,分析了等速传动轴在不同工作转速、扭矩与输入和输出轴夹角时的传动效率,并通过相应的台架试验验证了虚拟样机仿真分析结果的有效性,结果表明传动效率仿真和试验结果间的最大相对误差小于0.82%,可以用虚拟样机仿真分析方法替代台架试验来研究等速传动轴的传动效率。阐明了球笼式和三销轴式等速万向节输入和输出轴间夹角增大是导致等速传动轴传动效率下降的主要原因。
Virtual prototype models of vehicular ball and tripod constant velocity joints and their constant velocity drive shaft（CVDS）were developed by means of multi-body dynamics method.Transmission efficiency of CVDS was analyzed under the different rotational speed,torque and separation angle between input and output shaft.Virtual prototype model was validated by corresponding rig test.Results indicate that maximum relative error between simulation and experiment dada of transmission efficiency of CVDS was less than 0.82%.Transmission efficiency of CVDS can be studied by virtual prototype simulation analysis method instead of rig test.It was illuminated that prime reason led to transmission efficiency reduction of CVDS was intersection angle increase between input and output shaft of ball and tripod constant velocity joints.
出处
《机械设计与制造》
北大核心
2013年第7期18-21,共4页
Machinery Design & Manufacture
基金
国家"863"计划资助项目(2012AA111803)
关键词
汽车
等速传动轴
虚拟样机
传动效率
仿真分析
试验
Automobile
Constant Velocity Drive Shaft（CVDS）
Virtual Prototype
Transmission Efficiency
Simulation Analysis
Test
