北京航空航天大学学报 ›› 2017, Vol. 43 ›› Issue (10): 2003-2010.doi: 10.13700/j.bh.1001-5965.2016.0814

• 论文 • 上一篇    下一篇

变速器齿轮振动机理及修形减振降噪方法

岳会军1,2, 张尧1,2, 李洪彪1,2, 张敬1,2, 单红波1,2   

  1. 1. 北京航天发射技术研究所, 北京 100076;
    2. 北京航空航天大学 交通科学与工程学院, 北京 100083
  • 收稿日期:2016-10-19 修回日期:2016-11-11 出版日期:2017-10-20 发布日期:2017-01-13
  • 通讯作者: 岳会军 E-mail:yuehuijun87@sina.com
  • 作者简介:岳会军,男,博士。主要研究方向:机械传动、传动系统的振动与噪声分析。
  • 基金资助:
    国家科技支撑计划(2011BAG09B00)

Transmission gear vibration mechanism and modification method for vibration and noise reduction

YUE Huijun1,2, ZHANG Yao1,2, LI Hongbiao1,2, ZHANG Jing1,2, SHAN Hongbo1,2   

  1. 1. Beijing Institute of Space Launch Technology, Beijing 100076, China;
    2. School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
  • Received:2016-10-19 Revised:2016-11-11 Online:2017-10-20 Published:2017-01-13

摘要: 以某款自动变速器为研究对象,对齿轮振动机理和斜齿轮修形减振降噪方法开展深入研究。采用SimulationX仿真和试验方法,确定对系统振动贡献量最大的齿轮对;采用有限元法进行内部激励详细分析,包含传递误差、接触斑点、啮合冲击和轮齿的热变形;在考虑齿轮温度场影响前提下,以传递误差波动小、消除啮合冲击和齿面接触状态良好为优选目标,经大量仿真结果对比,确定修形方案。修形后试验结果表明,齿轮修形方案可行,改善了齿轮传动状态,有效地减小了变速器的振动噪声。

关键词: 变速器, 斜齿轮, 振动机理, 温度场, 齿轮修形减振

Abstract: This paper discusses the vibration mechanism of gear transmission and modification methods to reduce vibration and noise with a specific automatic transmission as the research object. Using SimulationX and test methods, the gears that have the most contribution to system vibration can be found. The internal excitation of the helical gear was analyzed with the method of finite element simulation, including transmission errors, contact spots, meshing impact and thermo-elastic deformation. Considering the minimum fluctuation amplitude of the transmission errors, meshing impact elimination and the optimal contact status as a comprehensive objective, the optimal gear modification was obtained after comparison with plenty of simulation results. Based on the test results after modification, it is verified that the proposed modification scheme can optimize the transmission status and further effectively reduce the vibration and noise of transmission.

Key words: transmission, helical gear, vibration mechanism, temperature field, gear modification for vibration reduction

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