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1、本科学生毕业设计五十铃轻型货车驱动桥设计系部名称：汽车与交通工程学院专业班级：车辆工程学生姓名：指导教师：职称：TheGraduationDesignforBachelor'sDegreeTheDesignforDrivingAxleofIsuzuPickupTrucksCandidate：uSpecialty：Vehicle Engineering Class：B07-5Supervisor：SeniorTechnician.HeilongjiangInstituteofTechnology摘要驱动桥位于传动系末端，其基本功用是增矩
2、、降速，承受作用于路面和车架或车身之间的作用力。它的性能好坏直接影响整车性能，而对于载重汽车显得尤为重要。当采用大功率发动机输出大的转矩以满足目前载重汽车的快速、重载的高效率、高效益的需要时，必须搭配一个高效、可靠的驱动桥，所以采用传动效率高的单级减速驱动桥已经成为未来载重汽车的发展方向。驱动桥设计应主要保证汽车在给定的条件下具有最佳的动力性和燃油经济性。本设计根据给定的参数，按照传统设计方法并参考同类型车确定汽车总体参数，再确定主减速器、差速器、半轴和桥壳的结构类型，最后进行参数设计并对主减速器主、从动齿轮、半轴齿轮和行星齿轮进行强
3、度以及寿命的校核。驱动桥设计过程中基本保证结构合理，符合实际应用，总成及零部件的设计能尽量满足零件的标准化、部件的通用化和产品的系列化及汽车变型的要求，修理、保养方便，机件工艺性好，制造容易。全套图纸，加153893706关键字：轻型货车；驱动桥；单级主减速器；差速器；半轴；桥壳黑龙江工程学院本科生毕业设计ABSTRACTDriveaxleisattheendofthepowertrain,anditsbasicfunctionisincreasingthetorqueandreducingthespeed,bearingthefor
4、cebetweentheroadandtheframeorbody.Itsperformancewillhaveadirectimpactonautomobileperformance.Becauseusingthebigpowerenginewiththebigdrivingtorquesatisfiedtheneedofhighspeed，heavy-loaded，highefficiency，highbenefittoday’heavytruck，mustexploitingthehighdrivenefficiencysing
5、lereductionfinaldriveaxleisbecomingtheheavytruck’developingtendency.Driveaxleshouldbedesignedtoensurethebestdynamicandfueleconomyongivencondition.Accordingtothedesignparametersgiven,firstlydeterminetheoverallvehicleparametresinaccordancewiththetraditionaldesignmethodsan
6、dreferencethesamevehicleparameters,thenidentifythemainreducer,differential,axleandaxlehousingstructuretype,finallydesigntheparametersofthemaingear,thedrivengearofthefinaldrive,axlegearsandspiralbevelgearandcheckthestrengthandlifeofthem.Indesignprocessofthedriveaxle,wesh
7、ouldensureareasonablestructure,practicalapplications,thedesignofassemblyandpartsasmuchaspossiblemeetingrequirementsofthestandardizationofparts,componentsandproducts’univertialityandtheserializationandchange,convenienceofrepairandmaintenance,goodmechanicaltechnology,bein
8、geasytomanufacture.Keywords:Pickuptruck;Driveaxle;Singlereductionfinaldrive;Differential;Axle;DriveAxlehousing
