吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (01): 19-26.

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Characteristics of forced torsional vibration and dynamic load for vehicle multistage planetary transmission

CAI Zhong-chang1,2, LIU Hui1,2, XIANG Chang-le1,2, ZHANG Xi-qing1,2, WANG Ming-zheng1,2   

  1. 1. School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Beijing 100081, China;
    2. State Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing 100081,China
  • Received:2010-08-12 Online:2012-01-01 Published:2012-01-01

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Abstract:

A model was built for the forced torsional vibration excited by the dynamic torque of the engine in the vehicle multistage planetary transmission using the lumped parameter method, and the differential equations were derived by the Lagrangian equation and solved. The amplitude characteristics of the different parts in the same gear shift were analyzed, and their vibration behaviors were revealed. The vibrations of the planetary gear under different gear shifts were investigated, and the difference between the torsional vibrations of the planetary gear under load state and no-load state were obtained. The fluctuation of the meshing force of the planetary gear and the dynamic load coefficient were calculated, providing a basis for the design and the dynamic analysis of the multistage planetary transmission.

Key words: vehicle engineering, multistage planetary transmission, forced torsional vibration, dynamic response, meshing force, dynamic load coefficient

CLC Number: 

  • U463.2


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