航空发动机篦齿封严装置刮磨引起的转子卡滞问题分析  

Analysis of Rotor Binding Caused by Scraping of Labyrinth Sealing Device in Aircraft Engine

作　　者：景晓明 查宏 刘振臣 朱莹 JING Xiao-ming;ZHA Hong;LIU Zhen-chen(AECC Hunan Aviation Powerplant Research Institute,Hunan Key Laboratory of Turbo machinery on Small and Medium Aero-Engine,Zhuzhou 412002)

机构地区：[1]中国航发湖南动力机械研究所中小型航空发动机叶轮机械湖南省重点实验室,株洲412002

出　　处：《航空精密制造技术》2024年第5期64-67,共4页Aviation Precision Manufacturing Technology

摘　　要：本文结合篦齿封严装置的结构特点、基于已知的发动机转子卡滞问题,分析梳理了篦齿封严装置异常刮磨引起发动机转子卡滞的原因,并说明了篦齿封严装置刮磨引起的转子卡滞是多因素耦合作用的结果、且具有一定的偶发性。Based on the structural characteristics of the grate sealing device and the known problem of engine rotor binding,the cause of abnormal scraping and grinding of the grate sealing device causing engine rotor binding is analyzed.It is illustrated that the rotor binding caused by the scraping of the grate sealing device is the result of the coupling effect of multiple factors.It has a certain degree of randomness.

关 键 词：航空发动机 篦齿封严 异常刮磨 转子卡滞 多因素耦合 

分 类 号：V231.1[航空宇航科学与技术—航空宇航推进理论与工程]