Kinematic Analysis and Simulation of the Double Roller Tripod Joint

Qiu, Yinyuan; Shangguan, Wen‐Bin

doi:10.4271/2019-01-1526

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…The proposed approach was validated by comparing it with test rig and vehicle test data to analyze the second-order and fourth-order vibrations caused by the universal joint. Qiu and Shangguan [10] developed a kinematic model for the double roller tripod joint to analyze its kinematic characteristics and provide a theoretical foundation for its application and enhancement. The kinematic model of the double roller tripod universal joint was verified through motion simulation in ADAMS software.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study on the Torsional and Lateral Vibrations of Double Universal Joint Driveline System

Mohd Hazri Omar,

Ab Rahim,

Md Rejab

2023

Int. J. Automot. Mech. Eng.

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Utilizing a universal joint can lead to significant vibration within a driveline system. This study presents a model for analyzing the torsional and lateral vibrations of a driveline connected by a double universal joint. The governing equations of motion are derived, and the Runge-Kutta method computes steady-state responses across a spectrum of input rotational speeds. The focus is to examine the effect of system parameters, including static angular misalignment, load torque, and lateral stiffness. Relative amplification is used to analyze the effects of parameters on system vibration. Results indicated that the second-order component of input rotational speed induced by the universal joint was the factor that caused the vibrations. For the considered system, static angular misalignment significantly impacts both the torsional and lateral vibrations. Increasing the angular misalignment from 15° to 30° results in a threefold increase in lateral vibration amplification, while torsional vibration amplification is increased by nearly two times. The effect of load torque is almost linearly proportional to torsional vibration but is nonlinear to lateral vibration. Thus, lateral vibration is significantly impacted compared to torsional vibration for higher load torque. Changing the stiffness leads to a modification of the natural frequency. Increasing the lateral stiffness shifts the critical speed to a higher speed range, resulting in reduced lateral vibration amplitude. It is demonstrated that a slight fluctuation in angular misalignment due to lateral vibration will not affect the torsional vibration even if both vibrations are coupled. The findings may enhance understanding of how changing system parameters affects vibration.

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Section: Introductionmentioning

confidence: 99%

Numerical Study on the Torsional and Lateral Vibrations of Double Universal Joint Driveline System

Mohd Hazri Omar,

Ab Rahim,

Md Rejab

2023

Int. J. Automot. Mech. Eng.

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A Kinematic Analysis Method of Double Roller Tripod Joints Based on the Principle of Conjugate Surfaces

Qiu

Bao-shu²,

Lü

2021

Journal of Mechanical Design

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To systematically investigate the contact constraint relationships and the influences of fit clearances on the kinematic performances of a double roller tripod joint (DRTJ), a method for the kinematic analysis of DRTJs is proposed based on the principle of conjugate surfaces. In the proposed method, the constraint relations between rollers and tracks as well as between rollers and trunnions are firstly derived based on the principle of conjugate surfaces. Then, according to the constructed constraint relationships, the kinematic analysis model of a DRTJ considering the influences of fit clearances is established. Next, the effectiveness of the proposed method is validated by measuring the relative displacements and angles between rollers and tracks via experiment. Finally, kinematic analyses are carried out and the main results show that the relative pitch angle between rollers and tracks are always kept as zeroes under any working condition by designing the shapes of rollers' outer surfaces to be semi-toroid. The fit clearances have little influence on the kinematic performances of the DRTJ, thus proper fit clearances between rollers and tracks as well as between rollers and trunnions can be designed to improve the lubricating conditions of the DRTJ.

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Kinematic Analysis and Simulation of the Double Roller Tripod Joint

Cited by 2 publications

References 12 publications

Numerical Study on the Torsional and Lateral Vibrations of Double Universal Joint Driveline System

Numerical Study on the Torsional and Lateral Vibrations of Double Universal Joint Driveline System

A Kinematic Analysis Method of Double Roller Tripod Joints Based on the Principle of Conjugate Surfaces

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