HGC1050万向传动轴结构设计

本科学生毕业设计HGC1050万向传动轴结构设计系部名称：汽车与交通工程学院专业班级：车辆工程B07-2班学生姓名：刘晓东指导教师：苏清源职称：副教授黑龙江工程学院二○一一年六月TheGraduationDesignforBachelor'sDegreeHGC1050UniversalShaftsStructureDesignCandidate：LiuXiaoDongSpecialty：VehicleEngineeringClass：B07-2Supervisor：AssociateProf.SuQingyuanHeilongjiangInstituteofTechnology2011-06·HarbinI摘要万向传动装置是汽车传动系统中的重要组成部分，万向传动装置位于变速箱和驱动桥之间，一般由万向节、传动轴和中间支承组成。万向节能实现变角度动力传递；传动轴把变速器的转矩传递到驱动桥上；中间支承能补偿传动轴轴向和角度方向的安装误差和车辆行驶过程中由于发动机窜动或车架等变形所引起的位移。万向传动装置的功用是在汽车行驶过程中，在轴间夹角及相互位置经常发生变化的两个转轴之间传递动力。本文主要是对汽车的十字轴式万向传动装置进行设计。根据车辆使用条件和车辆参数，按照传动系统的设计步骤和要求，主要进行了以下工作：选择相关设计参数主要为：十字轴、万向节、传动轴、中间支承的参数确定，并进行了总成设计主要为：十字轴的设计，万向节的设计、传动轴的设计以及中间支承的设计等。并通过Pro/E建模和有限元ANSYS软件对设计万向传动装置进行结构分析，根据分析结果对万向传动装置进行改进设计得出合理的设计方案。关键词：万向传动装置；十字轴；万向节；传动轴；有限元分析IIABSTRACTTheautomobileuniversaltransmissiondeviceisintheautomobiletransmissionsystemimportantconstituent,islocatedbetweenthegearboxandthedrivingaxle.Generallybytheuniversaljoint,thedriveshaftandthemiddlesupportingiscomposed.Theuniversaljointenergyconservationrealizationchangestheanglepowertransmission;Transmitthetorqueofthegearboxtothetransaxlewithdriveshaft;Themiddlesupportingcancompensatethedriveshaftaxialandtheangledirectioninthewiringerrorandthevehiclestravelprocessbecausetheenginefleesmovesthedisplacementwhichordistortionsandsoonframecauses.Therotarytransmissiondevicefunctionisintheautomobiletravelprocess,theincludedangleandthemutualpositionchangesbetweentherevolutionaxisintheaxisbetweentotransmitthepowerfrequently.Thisarticlemainlyiscarriesonthedesigntotheautomobilecrossshafttyperotarytransmissiondevice.Accordingtovehiclesexploitationconditionsandvehiclesparameter,accordingtotransmissionsystemdesignprocedureandrequest,Mainlyhascarriedonfollowingwork:Mainlyhascarriedonfollowingworkchoicecorrelationdesignvariablemainlyis:Crossaxle,universaljoint,driveshaft,middlesupportingparameterdetermination,andhascarriedontheunitdesignmainlyis:Crossaxledesign,universaljointdesign,driveshaftdesignaswellasmiddlesupportingdesignandsoon.AndtodesignstherotarytransmissiondevicethroughthefiniteelementPro/EandANSYSsoftwaretocarryonthestructureanalysis,Carriesontheimprovementdesignaccordingtotheanalysisresulttotherotarytransmissiondevicetoobtainthereasonabledesignproposal.Keywords:UniversalTransmissionDevice;CrossAxle;UniversalJoint;Transmissionshaft;FiniteElementAnalysisIII目录摘要························································································IAbstract··················································································II第1章绪论···········································································11.1概述···························································································11.2汽车传动轴的国内外研究现状····························································21.3研究汽车万向传动轴的目的和意义······················································31.3.1研究汽车万向传动轴的目的························································31.3.2研究汽车传动轴的意义······························································31.4万向传动轴的结构特点及基本要求·····················································41.5本课题研究的主要内容·····································································5第2章汽车传动轴的结构方案分析与选择····································72.1汽车传动轴的结构方案概述·······························································72.1.1万向节与传动轴的结构型式························································72.1.2传动轴管、伸缩花键及中间支承结构型式·····································72.1.3万向节类型············································································102.2传动轴设计方案·············································································122.3本章小结······················································································13第3章万向传动轴的设计························································143.1HGC1050汽车的主要技术参数···························································143.2传动轴总成设计计算及校核······························································153.2.1传动轴计算载荷的确定·····························································153.2.2传动轴轴管的选择及校核··························································163.2.3中间支承的结构设计································································213.3十字轴总成的设计计算及校核···························································243.3.1万向节的受力分析···································································243.3.2十字轴万向节的设计及校核·······················································263.3.3十字轴滚针轴承的校核·····························································27IV3.3.4万向节叉的设计及校核·····························································28第4章传动轴总成建模与装配··················································304.1Pro/ENGINEER软件简介··································································304.2利用Pro／ENGINEER软件进行三维实体建模······································314.2.1十字轴的创建·········································································314.2.2凸缘叉的创建·········································································314.2.3轴承差的创建······································································