吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 706-710.doi: 10.13229/j.cnki.jdxbgxb201603004

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Design of seat nonlinear suspension for vehicles based on spherical roller mechanism

YAN Zhen-hua1, HUANG Yu-qiang2, LI Xue-fei1, WANG Guo-qiang1, ZHANG Xiao-fei1   

  1. 1.College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2.Department of Product Validation,Changchun Faway-Johnson Controls Automotive Systems Co.,Ltd., Changchun 130033, China
  • Received:2015-03-30 Online:2016-06-20 Published:2016-06-20

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Abstract: Linear seat suspension has poor isolation ability of low frequency vibration. To improve the low frequency vibration isolation performance of off-road vehicle seat, a nonlinear seat suspension is designed based on spherical roller mechanism. The quantitative relationship between the main design parameters and the force-displacement characteristics is established, and then the main parameters are identified. Based on ADAMS method and test, the force-displacement characteristic and isolation performance of the nonlinear seat suspension are tested. Results show that the designed suspension has high static stiffness and low dynamic stiffness characteristics, and the lowest isolation frequency is lower than that of traditional linear seat suspension. However, the internal friction can affect low-frequency vibration isolation, to which attention should be paid in the suspension design.

Key words: vehicle engineering, seat suspension, nonlinear suspension, low-frequency vibration isolation

CLC Number: 

  • TH113.1
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