故障诊断技术在航空航天领域中的应用专栏

航空花键-转子系统自激振动研究综述

  • 李英杰 ,
  • 赵广 ,
  • 吴学深 ,
  • 李坚 ,
  • 袁巍 ,
  • 梅庆
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  • 1. 大连理工大学 能源与动力学院, 大连 116024;
    2. 陆军装备部航空军事代表局驻株洲地区航空军事代表室, 株洲 412000;
    3. 中国航发湖南动力机械研究所, 株洲 412002

收稿日期: 2021-03-18

  网络出版日期: 2021-08-03

基金资助

中央高校基本科研业务费专项资金(DUT16 JJ (G04));国家科技重大专项(779608000000200007)

Review of research on self-excited vibration of aviation spline-rotor system

  • LI Yingjie ,
  • ZHAO Guang ,
  • WU Xueshen ,
  • LI Jian ,
  • YUAN Wei ,
  • MEI Qing
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  • 1. School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China;
    2. Aviation Military Representative Office of the Army Equipment Department Aviation Representative Office in Zhuzhou, Zhuzhou 412000, China;
    3. AECC Hunan Aviation Powerplant Research Institute, Zhuzhou 412002, China

Received date: 2021-03-18

  Online published: 2021-08-03

Supported by

the Fundamental Research Funds for the Central Universities (DUT16 JJ (G04));National Science and Technology Major Projects (779608000000200007)

摘要

在以航空动力传输为代表的大功率、高速转子系统中,花键具有不可替代的作用。由于航空动力传输系统结构、重量和空间的限制,许多花键只能运行于脂润滑或无润滑环境。花键的载荷和服役环境导致其长期处于复杂的接触和微动状态中。当转子跨越临界转速之后运行时,花键润滑不良或特定的不对中状态,可能诱发花键的自激振动。花键自激振动发生时,会出现低频振动,且低频振幅高、能量大,易导致严重的破坏或事故。国内外学者对于花键自激振动开展了一定的研究工作,形成了花键内摩擦阻尼引起花键自激振动的共识,提出了缓解花键自激振动的措施。通过综述花键摩擦阻尼、花键-转子系统自激振动的研究历程与研究现状,总结归纳花键自激振动特点与影响因素,并尝试给出了花键摩擦阻尼与自激振动研究的发展趋势,为航空动力传输中花键的稳定可靠服役提供参考。

本文引用格式

李英杰 , 赵广 , 吴学深 , 李坚 , 袁巍 , 梅庆 . 航空花键-转子系统自激振动研究综述[J]. 航空学报, 2022 , 43(8) : 625532 -625532 . DOI: 10.7527/S1000-6893.2021.25532

Abstract

In high-power and high-speed rotor systems represented by aerospace power transmission, splines play an irreplaceable role. Due to the limitation of structure, weight and space of the aviation power transmission rotor, many splines can only operate in grease lubricated or non-lubricated environment. The load and service environment of the spline cause it to be in a state of complex contact and fretting for a long time. When the rotor runs after the critical speed, the spline boundary lubrication or misalignment state may induce the spline’s self-excited vibration. When spline self-excited vibration occurs, there will be low-frequency amplitude, the low-frequency amplitude is high, and the energy is large, which is easy to cause serious damage or accidents. Domestic and foreign scholars have carried out certain research work on spline self-excited vibration, and formed a consensus that internal friction damping causes spline self-excited vibration, and proposed measures to alleviate spline self-excited vibration. This paper, by reviewing the research history and current situation of spline friction damping and spline-rotor system self-excited vibration, summarizes the characteristics and influencing factors of spline self-excited vibration. Then we try to give the development trend of spline friction damping and self-excited vibration, and provide a reference for the stable and reliable service of the spline in the aviation power transmission.

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