嵌入式液弹阻尼器原理分析与试验研究  

Analysis and Experiment Research of the Embedded Fluid Elastic Damper

作　　者：郑俊伟 王健[1] 江民标[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》2010年第3期16-22,共7页Helicopter Technique

摘　　要：在过去的几十年里,直升机旋翼系统的设计都着重强调旋翼桨毂的简单化,总体趋势是减少零部件个数,减少重量,减小阻力和降低维护成本,传统的液压阻尼器和粘弹阻尼器正在被液弹阻尼器取代。随着技术和工艺上的革新,制造出带嵌入式液弹阻尼器的无轴承旋翼系统已切实可行。对嵌入式液弹阻尼器的动态力学性能进行了理论研究,介绍了其工作原理,并推导出初步构型设计计算公式,系统地对嵌入式液弹阻尼器模型试验件进行了动力学试验,研究了工作性能的各种影响因素,形成了一套完整的工程设计方法,为今后嵌入式液弹阻尼器在无轴承式直升机上的应用提供了技术支持。Over the past several decades,there has been an emphasis on simplifying rotor hub designs.The trend is toward lower parts count,weight,drag,and maintenance cost.Conventional hydraulic and elastomeric dampers are being replaced by fluidelastic dampers.Technology has progressed to the point where development of soft-inplane bearingless main rotors with embedded fluidelastic dampers has become feasible.The paper presented the work principle of this kind of damper,and educed a set of applicable primary configuration design and calculation formula for this kind of damper by deduction of calculation formula of stiffness and damper of embedded fluidelastic damper.In this thesis,the dynamic behaviors of the embedded fluidelastic dampers were studied in theory and in dynamic tests.The main purpose of this paper was to produce a embedded fluidelastic dampers that can be actual installed in bearingless main rotors of the helicopters to provide technical support.

关 键 词：直升机 旋翼 嵌入式液弹阻尼器 无轴承 动力学性能 

分 类 号：V27[航空宇航科学与技术—飞行器设计]