简介:摘要:传动架是吊笼的主要部件,由多种管材及板材焊接而成,是较为复杂的三维空间结构。传动架作为吊笼的骨架,将发动机、传动系统、悬挂装置、转向装置有机连接,构成一个整体。传动架不仅要承载驾驶员、发动机及其它部件,在运动中还会受到各种冲击与振动。因此,传动架制造过程如何控制应力和变形以保证其强度和静、动刚度是传动架焊接的重要环节。本文综述了焊接在吊笼加工中的地位和作用,明确了传动架制造技术及焊接在其中的重要地位,指出了本文的研究内容和意义;论述了焊接变形的机理和产生原因,从理论上为分析传动架焊接变形的产生原因奠定了基础;阐述了焊接残余应力的消除、焊接变形的预防和控制对策。
简介:摘要: 本文介绍了交流传动机车C0-C0转向架负载试验,通过对多台机车转向架负载试验数据分析,总结轮重、轴重分配不均的原因,并提出调整轮重、轴重的加减垫方法。
简介:2000HPtractor-trailerforthe21stcentury;AAnImprovedDirectTorqueControlforHighEfficiencyElectricalInductionMotorVehicleDrive;Adoubly-fedinductionmachinedifferentialdrivemodelforautomobiles;AHighCostPerformanceElectricBikeDriveSystem;AMultifunctionalDC-DCConverterForanEVDriveSystem;ANewDoublySalientPermanentMagnetMotorforElectricVehicles;ANewRotorFluxObserverforEVInductionMotorDrives.
简介:Effectiveproductiontechniquesdesignedtoimprovethecontactfatiguestrengthofautomatictransmissiongearteeth;Highfrequencygearwhinecontrolbydriveshaftdesignoptimization;Layshafitransmissiongearratioselection;Magnetoelastictorquesensorutilizingathermal-sprayedsense-elementforautomotivetransmissionapplications;TheAutarkHybridVehicle-OptimalEngineOperation……
简介:Bayesianreliabilitypredictionofgeardrivebasedonfuzzylifetimedata;DesignTechnologiesofIlighSpeedGearTransmission;Diagnosismethodofgeardriveineccentricity,wearandspotflawstates;FabricationofNdFeBthinfilmanditsapplicationinMEMS;Faultdetectioningeardriveswithnon-stationaryrotationalspeed-partI:thetime-frequencyapproach……
简介:ATrialProductionofSmallSizeUltra-HighSpeedDriveSystem,Adaptiveandrobusttechniquesfortorqueandrotorfluxcontrolofinductionmotordrivesforrailwayapplications,Air-drivenpumpsincreaseflow-withsafety,Allison'sHybridDriveSystemforBus,Anelectricdriveforthewithdrawalrollersofacontinuous-castingmachine,Anidentificationofthedynamicparametersofelectricdrives,AninnovativemountingsystemfortheTransaxleelectricalpowertraindrivingfileVolkswagenE-Golf。
简介:ANovelInductionMachineDesignSuitableforInverter-DrivenVariableSpeedSystemsinEVApplications,ANovelMethodforaScnsorlessControlofaDCBrushlessMotor,Apositionmicroelectricdrivewithtwo-channelcontrol,Aprocedureforasuitableselectionoflawsofmotionandelectricdrivesystemsunderinertialloads,APROPULSIONCONTROLFORAHYBRIDELECTRICVEHICLEWITHANADAPTIVEEFFICIENCYMECHANISM
简介:Adeterministicelastohydrodynamiclubricationmodelofhigh-speedrotorcrafttransmissioncomponents;Afiniteelementmethodforthedynamicanalysisofautomatictransmissiongearshittingwithafour-degree-of-freedomplanetarygearsetelement;ANewDynamicModelofHysteresisinHarmonicDrives;Anintegratedenvironmentformodeling,simulationandcontrolofharmonicdrivesystems;DesignAndApplicationOfCrownWheels
简介:摘要齿轮传动被广泛应用到我国的机械传动中,其明显的特点为瞬时传动比恒定、传动效率高。在人们日常生活和生产中,许多场合选用齿轮来传动。因此,在文章中,通过对齿轮结构的设计分析,详细研究其传动精度,理解齿轮转动的基本失效方式,并探讨齿轮疲劳强度,以达到对齿轮传动工作的整体把握。