The kinematic and dynamic equations of the tripod sliding universal joint were established in order to understand the kinematic and dynamic properties thereof, and then the effects of the joint angle, the rotating radius of the slide rods, the length of the output shaft on the fluctuation of the joint angle, the output angle error, and the relative displacements of the slide rods were investigated. Meanwhile, the main dynamic curves were also obtained. In this work, each obtained curve is basically similar to a sinusoid. The joint angle, the output angle error, the forces or torques of two bearings of the input and output shafts as well as the load torque have a threefold frequency. The relative displacement of the slide rod to the tripod has a twofold frequency. The relative displacement of the slide rod to the hole of the input shaft and each component force acting on the tripod arms and holes of the input shaft have a simple frequency. The fluctuation amplitudes of the joint angle and relative displacements of the slide rods as well as the output angle error increase with the increase of the joint angle or the rotating radius of the slide rod. Increasing length of the output shaft decreases the fluctuation amplitudes of the joint angle and output angle error. However, the relative displacements of the slide rods hardly depend on this length.
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e-mail: mewangxf@yahoo.com.cn
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June 2009
Research Papers
Kinematic and Dynamic Analyses of Tripod Sliding Universal Joints
X. F. Wang,
X. F. Wang
College of Electromechanical Engineering,
e-mail: mewangxf@yahoo.com.cn
Qingdao University of Science & Technology
, 69 Songling Road, Qingdao 266061, P.R.C.
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D. G. Chang
D. G. Chang
College of Electromechanical Engineering,
Qingdao University of Science & Technology
, 69 Songling Road, Qingdao 266061, P.R.C.
Search for other works by this author on:
X. F. Wang
College of Electromechanical Engineering,
Qingdao University of Science & Technology
, 69 Songling Road, Qingdao 266061, P.R.C.e-mail: mewangxf@yahoo.com.cn
D. G. Chang
College of Electromechanical Engineering,
Qingdao University of Science & Technology
, 69 Songling Road, Qingdao 266061, P.R.C.J. Mech. Des. Jun 2009, 131(6): 061011 (8 pages)
Published Online: May 21, 2009
Article history
Received:
July 19, 2008
Revised:
March 23, 2009
Published:
May 21, 2009
Citation
Wang, X. F., and Chang, D. G. (May 21, 2009). "Kinematic and Dynamic Analyses of Tripod Sliding Universal Joints." ASME. J. Mech. Des. June 2009; 131(6): 061011. https://doi.org/10.1115/1.3125882
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