昌河CH1010微型车驱动桥设计

哈尔滨剑桥学院毕业设计论文题目：昌河CH1010微型车驱动桥设计学生：冯云雷指导教师：吕德刚专业：汽车服务工程班级：12级一班2016年5月哈尔滨剑桥学院毕业设计审阅评语一、指导教师评语是否同意答辩：同意答辩□不同意答辩□指导教师（签名）职称年月日二、评阅人评语是否同意答辩：同意答辩□不同意答辩□评阅教师（签名）职称年月日哈尔滨剑桥学院毕业设计答辩评语及成绩答辩评语答辩成绩:答辩小组组长签字：年月日毕业设计（论文）成绩指导教师成绩：评阅成绩：答辩成绩：综合指导教师成绩、评阅成绩、答辩成绩，经答辩委员会评定，该学生毕业设计（论文）总成绩：答辩委员会主任单位：答辩委员会主任签字：职称：年月日I昌河CH1010微型车驱动桥设计摘要本文介绍了压鼓机技术的起源以及当前液压技术及产品的发展趋势概况，结合国内外压鼓微型汽车在商用汽车生产中占有很大的比重，而且驱动桥在整车中十分重要。驱动桥作为汽车四大总成之一，它的性能的好坏直接影响整车性能，而对于载货汽车显得尤为重要。为满足目前当前载货汽车的快速、高效率、高效益的需要时，必须要搭配一个高效、可靠的驱动桥。设计出结构简单、工作可靠造价低廉的驱动桥，能大大降低整车生产的总成本，推动汽车经济的发展，并且通过对汽车驱动桥的学习和设计实践，可以更好的学习并掌握现代汽车设计与机械设计的全面知识和技能，所以本题设计一款结构优良的微型货车驱动桥具有一定的实际意义。本文首先确定主要部件的结构型式和主要设计参数，在分析驱动桥各部分结构形式、发展过程及其以往形式的优缺点的基础上，确定了总体设计方案，采用传统设计方法对驱动桥各部件主减速器、差速器、半轴、桥壳进行设计计算并完成校核。最后运用AUTOCAD完成装配图和主要零件图的绘制。关键词：微型货车；驱动桥；单级主减速器；差速器；半轴；桥壳IITheDesignforDrivingAxleofChangHeCH1010MiniTruckAbstractMinitruckstakealargeproportionofcommercialvehiclesproduction,andthedriveaxleisoneofthemostimportantstructure.Driveaxleistheoneofautomobilefourimportantassemblies,itsperformancedirectlyinfluenceontheentireautomobile,especiallyforthetruck.Becauseusingthebigpowerenginewiththebigdrivingtorquesatisfiedtheneedofhighspeed,heavy-loaded,highefficiency,highbenefittoday`struck,mustexploitingthehighdrivenefficiencysinglereductionfinaldriveaxleisbecomingthetrucks’developingtendency.Designasimple,reliable,lowcostofthedriveaxle,cangreatlyreducethetotalcostofvehicleproduction,andpromotetheeconomicdevelopmentofautomobileandautomotivedriveaxleofthestudyanddesignpractice,canbetterlearnandtomastermodernautomotivedesignandmechanicaldesignofacomprehensiveknowledgeandskills,sothetitleofthefinestructureofthedesignofaminivehicledriveaxlehasacertainpracticalsignificance.Inthispaper,firstofalldeterminethestructureofmajorcomponentsandthemaindesignparameters,theanalysisofthevariouspartsofthestructureofthebridgedrivetype,theformofthedevelopmentprocessanditsadvantagesanddisadvantagesofthepast,determinedonthebasisofthedesignprogram,usingthetraditionaldesignmethodofvariouspartsofthedriveaxleMainreducer,differential,axle,axlehousingwasdesignedtocalculateandcompletethecheck.FinallycompletethefinalassemblydrawingbyusingAUTOCADandmappingthemaincomponents..Keywords：MiniTruck;DriveAxle;SingleReductionFinalDrive;Differential;Axle;DriveAxleHousing目录摘要..................................................................................................................................................IAbstract.........................................................................................................................................II1绪论.............................................................................................................................................11.1选题背景目的及意义..............................................................................................................11.2国内外驱动桥研究状况..........................................................................................................11.3设计主要内容和预期成果......................................................................................................32驱动桥的总体方案确定.............................................................................................................42.1驱动桥的结构和种类和设计要求..........................................................................................42.1.1汽车车桥的种类....................................................................................................................42.1.2驱动桥的种类.......................................................................................................................42.1.3驱动桥结构组成...................................................................................................................42.1.4驱动桥设计要求...................................................................................................................52.2设计车型主要参数..................................................................................................................52.3主减速器结构方案的确定......................................................................................................62.3.1主减速比的计算...................................................................................................................62.3.2主减速器的齿轮类型...........................................................................................................72.3.3主减速器的减速形式...........................................................................................................82.3.4主减速器主从动锥齿轮的支承形式及安装方法...............................................................92.4差速器结构方案的确定........................................................................................................102.5半轴形式的确定....................................................................................................................112.6桥壳形式的确定....................................................................................................................122.7本章小结....................................................................................................................