驱动桥设计外文翻译Word文档下载推荐.doc

驱动桥设计外文翻译Word文档下载推荐.doc

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Thestructureformofthemainreducerisbasedonthetypeofthegearandthewayoftheactivegearandthedrivengear.

2driveaxle

Driveaxleinthetailendofthepowertransmissionsystem,itsbasicfunctionistoincreasethetorquecamebythedriveshaftortransmission,thereasonabledistributionofpowertotheleftandrightdrivingwheels,andalsobearroleofroadandtheframeorbodybetweenverticalandlongitudinalforceandlateralforce.Thedriveaxleiscomposedofamainreducer,adifferential,awheeldrivedeviceandadriveaxlehousing.

Reduceristheoriginalmotivationandindependentoftheworkingmachinebetweentheclosedtransmission,usedtoreducespeedandincreasetorquetomeettheneedsofavarietyofworkingmachinery.Accordingtotransmissionformcanbedividedintothreedifferentforthegearreducer,wormreducerandplanetaryreducer;

inaccordancewiththetransmissionoftheseriescanbedividedintosingleandmultistagespeedreducer;

accordingtotransmissionlayoutsituationcanbedividedforexpansion,shunttypeandcoaxialtypereducer.Gearreducertransmissionefficiencyandhighreliability,longservicelife,maintenanceissimple,andthereforethescopeofapplicationisverywide.

2.1mainreducer

Themainreducergearhasthespiralbevelgeartype,thetypeofthedoublecurvedsurfacegeartype,thetypeofthecylindricalgearandthewormgearandsoon.Atpresent,themainreducergearoftheautomobiledriveaxleadoptsspiralbevelgear.Whentheloadishigh,theworkisstable,thenoiseissmall,andthecontactloadonthetoothsurfaceislow.Sotheuseofsinglebevelgears.

2.1.2mainreducerdrive,drivenbevelgearsupportform

Thecardrivingaxledesign,sotheuseofcantileverinstallation.Theusingofthecantileverinstallation,ensurethatthegearstiffness,activegearshaftneckshouldbeincreased,sothatthedistancebetweenthetwobearingsthanthedistanceofthecantileverhighatleast2.5times.

3thedifferentialdesign

Carintheexerciseofthesecurity,abouttwowheelsatthesametimetherolloverthejourneyisoftennotequal,aroundtwointhepressureisnotequal,andthetreadwearuneven,twowheelloadisunevenandcausethewheelrollingradiusdoesnotmatch;

thewheelstouchthepavementconditionsaboutdifferent,exercisestheresistancerange,ontheonehandwillincreasetirewear,powerandfuelconsumption,ontheotherhandwilldiverttoodifficult,throughandhandlingstabilityisbad.Therefore,theleftandrightwheelsofthedriveaxleareprovidedwithawheeldifferentialmechanism.

Differentialisadifferentialtransmissionmechanism,usedinthetwooutputshafttorquedistribution,andensuretwooutputshaftmayrotateatdifferentangularvelocities,toensurethedrivingwheelsinvariouskindsofsportsundertheconditionofpowertransmission,toavoidslippingbetweenthetireandtheground.Differentialaccordingtoitsstructuralcharacteristicscanbedividedintogeartype,convexwheel,wormwheeltypeandteethembeddedinavarietyofforms,suchasfreewheel.

4halfshaftForsemiaxisdiameter

notlessthanthediameteroftherod,theendpartoftheprocessingdoneslightlythicker,andappropriatetoreducespendinglessofthekeywaydepth,thetoothnumbermustbeacorrespondingincreasein,usuallytake10teeth（carhalfaxle）to18teeth（truckhalfaxle）.Thefailuremodeofthehalfshaftisbasicallytoofatiguefailure.Therodpartoftheaxleshaftoftheheavydutytruckisthicker,theouterendflangeisrelativelylarge,andthetwoendsoftheshaftcanbeusedasthehalfshaftstructurewithconnectionwhennolargerforgingequipmentisadopted,andtheprocessissimplifiedbytakingthesameparameters.Inthemodernautomobilehalfshaft,theisusedquitewidely,butalsohasthestructureformoftherectangleorthetrapezoidal.

Shaftisoneofthemainpartsofthemachine,andallofthetransmissionpartsofrotarymotionmustbeinstalledontheaxistocarryoutthemovementandpowertransmission.Sothemainfunctionoftheshaftistosupporttherotatingpartsandthetransmissionofmotionandpower.Accordingtothedifferentloadbearing,theshaftcanbedividedintoshaft,mandrelandshaftofthethirdclass,therelayunderbendingmomentandbearingtorquebecomestheshaft.Thistypeofshaftinthemachineinthemostcommon,onlytowithstandthebendingmomentanddoesnotbearthetorqueamandrel,themandrelisdividedintorotationandfixedmandrelmandreltwo.Shaftwhichisonlysubjectedtotorqueanddoesnotbearthebendingmomentbecomesthedriveshaft.

5thebridgeshellandthebridgeshellaccessoriesdesign

驱动桥壳主要功用是支承汽车的质量，且受由车轮传来的路面反力和反力矩，并且悬架传给车身；

它又是由减速器、差速器、半轴的装配基体。

驱动轴壳是传力件又是载体，因此桥壳应满足如