Kinematic simulation analysis about the tripodball type universal joint drive shaft assembly
YANG Fuqin, SHU Fang, CHANG Degong
(College of Mechanical & Electrical Engineering, Qingdao University of Science & Technology, Qingdao 266061, China)
 

Abstract: Aiming at the problem of it being difficult to obtain the movement law of the tripodball type universal joint drive shaft assembly by traditional graphic or analytical method because of its complicated structure, its threedimensional modeling was made and kinematic simulation analysis of the steel ball was completed by Pro/E software on the base of considering constraint relations among the links. The displacement curves, velocity curves and acceleration curves of the steel ball center were obtained when the angle between the input shaft and the intermediate shaft was 10°, 20° and 30° respectively. The simulation results show that the steel ball do approximate periodic harmonic motion along with the constant speed rotation of the input shaft. With the two joint angle increasing, the range of each motion parameter fluctuations is also bigger. The simulation result has reference significance for reasonable design of the tripodball type universal joint drive shaft assembly and can effectively solve the key technologies like friction, wear and lubrication in the automobile industry.
Key words: drive shaft; Rzeppa universal joint; the tripod sliding universal joint; kinematic simulate