航空高速锥齿轮行波共振的噪声与动应力测试研究

推进技术 ›› 2019, Vol. 40 ›› Issue (1): 166-174.

航空高速锥齿轮行波共振的噪声与动应力测试研究

胡国安^1,2,何刘海^1,2,吴桂娇^1,2,武昌耀¹,刘超^1,2

中国航发湖南动力机械研究所，湖南株洲 412002;中国航空发动机集团航空发动机振动技术重点实验室，湖南株洲 412002,中国航发湖南动力机械研究所，湖南株洲 412002;中国航空发动机集团航空发动机振动技术重点实验室，湖南株洲 412002,中国航发湖南动力机械研究所，湖南株洲 412002;中国航空发动机集团航空发动机振动技术重点实验室，湖南株洲 412002,中国航发湖南动力机械研究所，湖南株洲 412002,中国航发湖南动力机械研究所，湖南株洲 412002;中国航空发动机集团航空发动机振动技术重点实验室，湖南株洲 412002

发布日期:2021-08-15
基金资助:
航空科学基金( 2014ZD08007；2014ZD08008)。

Acoustic Noise and Dynamic Stress Experimental Study on TravellingWave Vibration of High-Speed Bevel

AECC Hunan Aviation Powerplant Research Institute，Zhuzhou 412002，China;Key Laboratory of Aero-Engine Vibration Technology，Aero Engine Corporation of China，Zhuzhou 412002，China,AECC Hunan Aviation Powerplant Research Institute，Zhuzhou 412002，China;Key Laboratory of Aero-Engine Vibration Technology，Aero Engine Corporation of China，Zhuzhou 412002，China,AECC Hunan Aviation Powerplant Research Institute，Zhuzhou 412002，China;Key Laboratory of Aero-Engine Vibration Technology，Aero Engine Corporation of China，Zhuzhou 412002，China,AECC Hunan Aviation Powerplant Research Institute，Zhuzhou 412002，China and AECC Hunan Aviation Powerplant Research Institute，Zhuzhou 412002，China;Key Laboratory of Aero-Engine Vibration Technology，Aero Engine Corporation of China，Zhuzhou 412002，China

Published:2021-08-15

摘要/Abstract

摘要： 为了获取涡轴发动机附件传动齿轮工作状态下的振动特性，采用声波导管的噪声测量方法和应用电阻应变计测量齿轮动应力的技术，得到了齿轮行波共振转速和频率以及全转速范围的动应力数据。试验结果表明:声波导管的噪声测量方法能够准确测量齿轮的行波共振转速及频率，行波共振时电阻应变计能够准确测量出齿轮动频；被测锥齿轮在运行转速范围内存在多个节径行波共振，最大分频动应力在五节径后行波处，幅值约为 115MPa。

关键词: 航空发动机；锥齿轮；行波共振；噪声；动应力

Abstract: The accessory drive gear of small aviation turboshaft engine has a high speed. It is difficult toavoid all of the vibration modals completely within the range of running speed. It is easy to generate travellingwave vibration of nodal diameters. In order to obtain the vibration characteristics of gear in working state，and pro. vide data support for the design of aero-engine accessory drive bevel gears，a method of noise measurement based on acoustic waveguide and the technique of measuring the dynamic stress of gear by strain gauge were ap.plied. The resonant speed and frequency also the dynamic stress data of the gear at full range of speed have beenacquired. The tests results showed that it is usefully obtained travelling wave resonant speed and frequency byacoustic waveguide. The strain gauge can accurately measure the dynamic frequency of the bevel gear when thetravelling wave vibration is generated. The bevel gear had a variety of travelling wave vibration at operationalspeeds. The maximum frequency amplitude of dynamic stresses was 115MPa，and it existed in backward travel. ling wave vibration of the 5th nodal diameter.

Key words: Aero-engine；Bevel gear；Travelling wave vibration；Acoustic noise；Dynamic stress

胡国安,何刘海,吴桂娇,武昌耀,刘超. 航空高速锥齿轮行波共振的噪声与动应力测试研究[J]. 推进技术, 2019, 40(1): 166-174.

HU Guo-an^1,2,HE Liu-hai^1,2,WU Gui-jiao^1,2,WU Chang-yao¹,LIU Chao^1,2. Acoustic Noise and Dynamic Stress Experimental Study on TravellingWave Vibration of High-Speed Bevel[J]. Journal of Propulsion Technology, 2019, 40(1): 166-174.

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