本科学生毕业设计汽车前驱动桥的结构设计系部名称：汽车与交通工程学院专业班级：车辆工程XX班黑龙江工程学院TheGraduationDesignforBachelor'sDegreeTheStructuralDesignofTheCarFrontDriveAxleCandidate：XXXSpecialty：VehicleEngineeringClass：XXSupervisor：ExperimentalistXXHeilongjiangInstituteofTechnology2013-06·Harbin黑龙江工程学院本科生毕业设计Ⅰ摘要随着现代车型的发展，普通汽车已经逐渐走进每个人的生活中。车桥设计是汽车设计中重要的环节之一，国产驱动桥在国内市场占据了绝大部分份额，但仍有一定数量的车桥依赖进口，国产车桥与国际先进水平仍有一定差距。本次设计首先通过查阅近几年来有关国内外前驱动桥设计的文献资料，综合所学专业知识，了解并掌握了汽车前驱动桥结构及工作原理，根据所给的汽车参数制定了相应的设计方案。然后通过查阅相关标准、手册资料，确定了驱动桥的主要零部件的主要设计参数，完成转向器、万向节、主减速器、差速器、半轴及桥壳的结构和尺寸设计计算，并进行相应校核，再根据所计算选取的参数画出了转向驱动桥的整体装配图、差速器装配图以及部分零件图。关键词：前驱动；转向驱动桥；主减速器；差速器；半轴；桥壳ⅡABSTRACTAsthedevelopmentoftheautoindustry,carhasgraduallybecomepartofeveryone'slife.Axledesignisoneoftheimportantpartsofautomotivedesign,domesticdriveaxleinthedomesticmarketaccountedforthelion'sshare,butthereisstillacertainnumberofaxlesdependentonimports,thereisstillacertaingapbetweendomesticaxleandtheinternationaladvancedlevel.Firstly,thisdesignislookupofthedomesticandinternationalfrontdriveaxledesigndocumentsinrecentyears,integratedtheknowledgeofourexpertisewehadknewandmasteredthecar’sfrontdriveaxlestructureandworkingprinciple,formulatedaccordingtothevehicleparameterstothecorrespondingdesignprograms.Thenreferedtotherelevantstandard,manualdatatodeterminethemaindesignparametersofthemaincomponentsofthedriveaxle,completedthestructureandsizeofthesteering,universaljoints,maingearbox,differential,axleandaxlehousing,andcheck,accordingtothecalculatedparametersselectedtodrawtheoverallsteeringdriveaxleassemblydrawings,thedifferentialassemblydrawingsaswellassomepartsdiagram.Keywords:Frontdrive；Steeringdriveaxle；Mainreducer；Differential；Axle；Axlehousing目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc357237340"摘要ⅠHYPERLINK\l"_Toc357237341"ABSTRACTⅡHYPERLINK\l"_Toc357237343"第1章绪论PAGEREF_Toc357237343\h1HYPERLINK\l"_Toc357237344"1.1前言PAGEREF_Toc357237344\h1HYPERLINK\l"_Toc357237345"1.1.1概论PAGERE