本科生毕业论文PAGEIII提供全套毕业设计，欢迎咨询本科学生毕业设计直升机尾桨结构设计TheGraduationDesignforBachelor'sDegreeTheHelicopterTailRotorStructureDesignDepname:MechatronicEngineeringCollegeSpecialty：MachineryDesignandManufactureandAutomationClass：Candidate：Supervisor：摘要通过对直升机尾桨结构设计，能够使我们对直升机的结构有了进一步的了解。同时对直升机尾桨桨距改变进行分析，桨距的改变对提高直升机尾桨的工作效率有很大的作用。直升机的尾桨对直升机的平衡和改变方向有很大的作用，尾桨会产生巨大的噪音和对附近的环境产生影响，只有对尾桨进行改进，才能对环境有所改善。直升机尾桨轴系是连接发动机和尾桨的主要系统，轴系的分析对直升机整体的大小有巨大作用，对直升机的灵活运动有很大的影响。本文对常规的直升机尾桨结构和尾桨轴系进行分析，分别对尾桨毂，桨叶，减速器等零件进行结构分析，这样使直升机尾桨和尾桨轴系的结构更加清晰，对设计有了更深的了解。尾桨是直升机最重要的组成部分之一，结构了解之后才能对尾桨进行改进，让直升机有进一步的发展。关键词：直升机；尾桨；减速器；运动系统；尾桨轴系；桨距变化AbstractThroughthedesignofhelicoptertailrotorhelicopterstructure,enablesustohaveafurtherunderstandingofthestructure.Atthesametimethehelicoptertailrotorpitchchangeanalysis,pitchchangehasagreateffectonimprovingtheworkingefficiencyofhelicoptertailrotor.Thehelicoptertailrotorofahelicopterbalanceandchangedirectionhasasignificantrole,tailrotormakesatremendousnoiseandimpactonnearbyenvironment,onlythetailrotorisimproved,toimprovetheenvironment.Helicoptertailrotorshaftisthemainsystemconnectedtotheengineandtailrotor,shaftanalysisplayaveryimportantroleintheoverallsizeofthehelicopter,hasagreatinfluenceonthehelicopterflexiblemovement.Thisarticlecarriesontheanalysistotheconventionalhelicoptertailrotorandtailrotorshaftingstructure,respectivelyonthetailrotorhub,blades,reducerandotherpartsforstructureanalysis,sothehelicoptertailrotorandtailrotorshaftingstructuremoreclear,adeeperunderstandingofdesign.Thetailrotorisoneofthemostimportantpartofhelicopter,understandingofthestructureandthentothetailrotorisimproved,thehelicopterstohavefurtherdevelopment.Keywords:Helicopter;TailRotor;Reducer；MotionSystem;TailRotorShaft;PitchChange目录TOC\o"1-3"\h\u摘要………………………………………………………………………………………ⅠAbstract…………………………………………………………………………………Ⅱ第1章绪论………………………………………………………………………………11.1选题的目的及意义………………………………………………………………11.2相关领域研究综述………………………………………………………………21.3