电动车轮边驱动系统设计

本科学生毕业设计电动车轮边驱动系统设计系部名称：汽车与交通工程学院专业班级：车辆工程B07-11班学生姓名：蒋善毅指导教师：安永东职称：副教授黑龙江工程学院二○一一年六月TheGraduationDesignforBachelor'sDegreeDesignofElectricWheelDriveSystemsCandidate：JiangShanyiSpecialty：VehicleEngineeringClass：B07-11Supervisor：AssociateProf.AnYongdongHeilongjiangInstituteofTechnology2011-06·Harbin黑龙江工程学院本科生毕业设计I摘要随着能源危机的日益严重以及人们环保意识的不断增强，研究开发清洁、节能和安全的汽车成为汽车工业发展的方向。其中电动汽车具有行驶过程中零排放、能源利用多元化和高效化以及方便实现智能等优点，使之成为新型汽车研发的重点之一。本文以减速型电动轮驱动电动汽车的优势为出发点，设计了利于电动汽车使用减速型电动轮的轮边减速装置，对轮边减速器的结构进行了设计、研究，增强了电机内转子驱动型电动轮在电动汽车上的应用能力。以行星齿轮系为轮边减速器的减速传动形式，在减速传动链的设计中，引入了均载设计来提升行星齿轮传动的优势；出于减小轮边减速器的重量及体积、节省材料的目的，对轮边减速器的行星传动系统进行了以体积为目标的优化设计；为便于制动装置及轮毂与轮边减速器安装，设计了轮毂支承件，在满足功能的同时也减少了零件数目；轮边减速器桥壳的巧妙设计使减速器及其轮毂支承件的安装变得更容易、受力也更合理，为前后轮悬架导向机构、转向拉杆及横向稳定杆提供了支点，更进一步保证所设计的轮边减速器能够精确地实现与电动汽车其它零部件的安装及联接,保证所设计的轮边减速器满足整车行驶工况要求。关键词：轮边减速器；电动汽车；电动轮；行星齿轮减速器；电动机黑龙江工程学院本科生毕业设计IIABSTRACTWithimprovingenvironmentalprotectionconsciousnessandtheseriousenergycrisis，toresearchanddeveloptheclear,energy-savingandsafeautobecomethenewdirectionofdevelopmentofautomobileindustry.Electricvehicle,whichhasmuchadvantages,suchasnoemission,pluralismandhigh-efficientofenergyutilization,andconvenientlyrealizingintelligenceerc,isabouttobecomeoneofthefocalpointsinresearchinganddevelopingnew—typeautomobile.Thedesignandresearchtakesawheelreductionunitappliedonreducedwheel-driveelectricvehicleasthesubjective．Researchforthetypeofstructurehasbeendoneinthisthesiswhichwillcontributetotheapplicationcapabilityofreducedelectricwheel．Loadbalancingstructureisintroducedintothedrivelinedesignoftheplanetarywheelreducertofulfilltheadvantageofplanetarytransmission．Inordertodecreaseweightandvolumeaswellassavetomaterial，theresearcheroptimizedthevolumeoftheplanetarytransmission．Foreasytoassemblethebreaksystemandthewheel--hubwhilereducingcomponentsnumber,aconnectionsupportingpartisdesigned．Themostparticulardesignisthetransmissionhousingwithpivotsforassemblingtheupperandlowercontrolarm，thestabilizeraswellasthesteeringlinkage．Optimizationofthesuspension,steeringsystemandstabilizerbarhasmadeforassemblingthewheelreducermoreaccurate，thentheoptimizationresultfeedbackstomodifythereducerdesign.Forthepurposeofguaranteeingthestrengthofthewheelreducerinwork.Keywords:WheelReducer；ElectricVehicle；ElectricWheel；PlanetaryGearReducer；ElectricMotor黑龙江工程学院本科生毕业设计目录摘要......................................................................................................................IAbstract..............................................................................................................II第1章绪论.......................................................................................................11.1课题的来源和背景................................................................................................11.2国内外研究现状....................................................................................................21.3本文的研究思路与内容........................................................................................6第2章轮边减速器设计..................................................................................72.1电动轮的类型及选择............................................................................................72.2轮边减速器的传动方案......................................................................................102.3本章小结..............................................................................................................17第3章轮边驱动的参数确定及关键零部件的设计.....................................183.1驱动电机性能参数的确定..................................................................................183.1.1整车性能要求..............................................................错误!未定义书签。3.1.2驱动电机参数计算(两轮驱动)...................................错误!未定义书签。3.2减速器关键零部件的设计.....................................................错误!未定义书签。3.2.1行星齿轮传动齿数分配应满足的条件......................错误!未定义书签。3.2.2齿轮受力分析和强度设计计算..................................错误!未定义书签。3.2.3齿面接触强度的校核计算..........................................错误!未定义书签。3.2.4其他相关零部件的设计计算...................................................................183.3轮边减速器的润滑..............................................................................................233.4轮边减速器零部件之间的装配关系..................................................................233.5本章小结..............................................................................................................24第4章行星齿轮传动的传动结构的设计.....................................................254.1行星齿轮传动的均载机构..................................................................................254.2行星齿轮传动的齿轮结构设计..........................................................................26黑龙江工程学院本科生毕业设计4.3本章小结..............................................................................................................29结论....................................................................................................................30参考文献............................................................................................................31致谢.................................