Volume 37 Issue 2
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Article Navigation >  Journal of Aerospace Power  > 2022  >  37(2): 320-329
CHEN Siyu, TAN Rulong, GUO Xiaodong, ZHANG Weiqing, SHU Ruizhi. Time-varying meshing stiffness calculation of straight bevel gears based on energy equivalence[J]. Journal of Aerospace Power, 2022, 37(2): 320-329. doi: 10.13224/j.cnki.jasp.20210095
Citation: CHEN Siyu, TAN Rulong, GUO Xiaodong, ZHANG Weiqing, SHU Ruizhi. Time-varying meshing stiffness calculation of straight bevel gears based on energy equivalence[J]. Journal of Aerospace Power, 2022, 37(2): 320-329. doi: 10.13224/j.cnki.jasp.20210095
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Time-varying meshing stiffness calculation of straight bevel gears based on energy equivalence

doi: 10.13224/j.cnki.jasp.20210095

  • School of Mechanical Engineering， Chongqing University of Technology，Chongqing 400054，China

  • Received Date: 2021-03-05
  • Publish Date: 2022-02-28
    Abstract
  • As one of the most important dynamic excitation sources of gear system，gear time-varying meshing stiffness is a key parameter of gear system dynamics model. In view of the problem of calculating the meshing stiffness of straight bevel gears，the variable section tooth profile was divided into several micro-section tooth segments with equal section based on the idea of micro-element. The calculation model of meshing stiffness of micro-section tooth segments was established based on energy equivalent，and the single tooth meshing stiffness was obtained by using integral method. In addition，based on force balance and deformation coordination conditions，a computational model of gear time-varying meshing stiffness was proposed，and the corresponding formula of transmission error was derived according to geometric relations.The finite element analysis was used to verify the calculation method and analyze the error source. The results showed that the calculation accuracy of meshing stiffness of straight bevel gears can be guaranteed within 2% by using this model，and the purpose of quick solution can be achieved.

     

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