双耳托板游动可更换自锁螺母设计及应用研究  

Design and Application Research on a New Replaceable Quick Disconnect Two Lug Anchor Floting Self-locking Nut

作　　者：张健 刘纪福[1] 

机构地区：[1]中国直升机设计研究所,江西景德镇333001

出　　处：《直升机技术》2017年第4期53-57,62,共6页Helicopter Technique

摘　　要：为解决某型直升机尾减整流罩与尾减平台连接用托板自锁螺母易失效问题,设计一种可用于经常拆装部位的可更换、易拆卸的双耳托板游动自锁螺母。对该新型标准件进行了结构设计和优化,并完成了各项性能试验。该新型标准件解决了已有型号上的问题,同时在新型号上获得了应用,具有广泛前景。In order to solve the anchor,self-locking nuts failure problem of connection between tail reduction gearbox cowling and tail reduction gearbox platform of the helicopter,a new replaceable,quick disconnect two lug,anchor,floting,self-locking nut for current disassembling position was designed. Structural design and optimization of the new standard part were carried out,what ＇s more,the performance test were completed. The new standard part solved the problem of existing models and the new models got the application. It has wide prospects.

关 键 词：双耳托板 可更换自锁螺母 结构设计 性能试验 应用研究 

分 类 号：V229.1[航空宇航科学与技术—飞行器设计]