离合器基础知识(中英版)

©2008EatonCorporation.Allrightsreserved.ClutchBasics离合器基础22WhataretheBasic“Functions”ofaClutch?离合器的基本功能？FunctionsofaClutchFunctionsofaClutch离合器功能33WhataretheBasic“Functions”ofaClutch?离合器的基本功能？TransferTorque传递扭矩BreaksTorque切断扭矩CleanRelease清晰的分离SmoothEngagement柔和结合FunctionsofaClutchFunctionsofaClutch离合器功能44WhataretheBasic“Functions”ofaClutch?离合器的基本功能？TransferTorqueBreaksTorqueCleanReleaseSmoothEngagementDampenVibrations使振动变弱EngageaClutchBrake离合器制动TransferTorque传递扭矩BreaksTorque切断扭矩CleanRelease清晰的分离SmoothEngagement柔和结合FunctionsofaClutchFunctionsofaClutch离合器功能55Thefunctionofaclutchistoconnect/disconnecttheflowofpowerfromtheenginetothedriveline离合器的基本功能是连接/切断发动机到传动轴的动力传递•Providesawaytotranslateenginerotationintotransmissionrotation,•将发动机的转动传递到变速箱的转动•Providesawaytoallowtheenginetorunwithoutthetruckmoving,•允许发动机运转而车辆保持不动•Providesawaytobreaktorquetoselectandchangegears.•在需要选档和换档时切断扭矩传递WhatDoesaClutchDo?离合器基本功能66•Discisclampedbytheclutchcover,connectingtheenginecrankshafttothetransmissioninputshaft从动盘被压盘夹紧,将发动机曲轴和变速箱输入轴连接起来•Transmissionrotateswiththeengine变速箱与发动机一起旋转Flywheel飞轮Clutch离合器HowDoesitwork?–Engaged怎样工作?–接合状态TransferTorque传递扭矩77•Pressureplateseparatesfromthedisc压盘与从动盘分离•Transmissionisdisconnectedfromtheengine变速箱与发动机分离Flywheel飞轮Clutch离合器HowDoesitwork?–Disengaged怎样工作–分离状态CleanRelease/BreaksTorque清晰的切断扭矩88DrivenDisc从动盘:Thisisthediscwhichisincontactwiththeengineflywheelandthepressureplateoftheclutchassembly这是与发动机飞轮和离合器压盘都接触的零件Clutch-BasicComponents离合器基本部件99CoverAssembly压盘总成:Anassemblywhichismountedontheflywheel,andsqueezesthediscagainsttheengineflywheel.安装到飞轮上,将从动盘压紧到发动机飞轮上的零件Clutch-BasicComponents离合器基本部件1010ReleaseBearing分离轴承:Servesasastationaryconnectionforthereleaselinkage.Connectstothediaphragmspring.连接到膜片弹簧上,且与分离系统相连接.Clutch-BasicComponents离合器基本部件1111Pressureplatebolts压盘螺栓:Shoulder-headboltsthreadeddirectlyintotopofpressureplateandthroughthedrivestraps.带肩端台阶螺栓穿过传动片直接拧到压盘上部PressurePlateBolts压盘螺栓1212ShippingClips运输垫片:Fitsbetweentheflywheelbracketandthepressureplatebolts.Usedto“cage”pressureplate,inordertofacilitateinstallationofdrivendiscs.Theclipsareremovedduringtheinstallationsprocess.在压盘螺栓和架子之间,以在运输中保持住压盘,有利于从动盘装配.在离合器安装过程中要拿走.ShippingClips运输垫片Shippingclip运输垫片1313FlywheelRing支撑环:HousestheDiaphragmSpringsandPressurePlate.支撑膜片弹簧和压盘FlywheelRing/Bracket/Cover支撑环/支架/盖1414DiaphragmSprings膜片弹簧:Singlespringprovidethespringforcerequiredfordevelopingpressureplateclampload.弹簧提供要求的弹簧力满足压盘压紧力DiaphragmSprings膜片弹簧1515Collector收集器:Allowsaconnectionpointtothediaphragmspringandthereleasebearing.Allowsforclutchengagementanddisengagement.连接膜片弹簧和分离轴承,让离合器分离与接合.SpringCollector弹簧收集器1616DriveStraps传动片:ConnectstheFlywheelBrackettothepressureplate.Transmittorquefromtheenginetothepressureplateandprovidesaspringforcetoseparatethepressureplatefromthedrivendiscwhentheclutchisdisengaged.连接支架和压盘.传递发动机力矩到压盘.当离合器分离时,提供弹簧力以分离压盘和从动盘.DriveStraps传动片1717PressurePlate压盘:Providesaclampingsurfaceforthedrivendisc,allowingforenginetorquetobetransmittedtothediscandeventuallythetransmissioninputshaft.为从动盘提供夹紧面,同时传递发动机扭矩到从动盘和最终传到变速箱输入轴.PressurePlate压盘1818Facing摩擦面:Organicfrictionmaterialwhichwhenclampedupbetweenadjacentironsurfaces(pressureplate,engineflywheel)causesthedisctorotatewiththesecomponentstherebytranslatingflywheelrotationintotransmissioninputshaftrotation.有机摩擦材料当被到邻近的铸铁面(压盘,发动机飞轮)压紧时,将使从动盘与这些零件一起转动而将飞轮转动转换为变速箱输入轴转动.Facings摩擦面Facing摩擦面1919Damper减振弹簧:Asetofspringsradiallyarrangedaroundthehubtopreventtorsionalvibrations(generatedbytheengine)frombeingtransmittedtothehub,andinessencetherestofthedriveline.在花键毂周围径向布置的一套弹簧用以防止扭振(通常有发动机引起)传递到花键毂,本质上是保护传动轴.Damper减振弹簧Damper减振弹簧2020Hub花键毂:Atoothedcomponentthatmateswiththetransmissioninputshaft,andisthepointoftorquetransfertothetransmission.与变速箱输入轴匹配的带齿零件,是传递扭矩到变速箱的零件.Hub花键毂Hub花键毂2121•BearingTravel/ReleaseTravel轴承行程/分离行程:Distancebywhichthereleasebearingmoveswhentheclutchpedalisfullydepressed.Ingeneral,12.7mmminimumtravelisrequiredfortheclutchtodisengage.离合器踏板全踩下时分离轴承移动距离.通常离合器分离要求12.7毫米最小.•BearingLoad/ReleaseLoad轴承力/分离力:Loadappliedatthereleasebearingtodisengagetheclutch.分离离合器时作用于分离轴承上的力.•PlateLoad压盘力:LoadappliedatthePressurePlatewhentheclutchassemblyisengaged.离合器接合时作用于压盘上的力.•PlateDeparture压盘升程:DistancebywhichthePressurePlateretracts,freeingupthediscs,whentheclutchisdisengaged.当离合器分离时,为放开从动盘而使压盘回退的力.OtherTerminology其它术语2222ClutchTypes离合器型式2323•PushorPull推式或拉式•WearThrough免调整•Single/TwinPlate单片/双片•Mechanicalrod机械杆•Hydraulic液压式•Boostedhydraulic液压助力•Splinesize花键尺寸•Facingtype摩擦面•Pre-damper预减振•Damperrate减振弹簧刚度•OrganicFacings有机材料摩擦面ClutchDisc从动盘ReleaseLinkage分离系统ClutchCover离合器盖总成Components零件2424•PushorPull推式或拉式•Wear-Through免调整•Single/TwinPlate单片/双片ClutchCoverTypes离合器压盘型式2525•Indicatesthedirectioninwhichforceisappliedtothereleasebearingforclutchdisengagement指出为了离合器分离而作用于分离轴承的力的方向.(Disengagement分离=clutchpedaldepressed踩下离合器踏板)•PUSH推式:Bearingmovestowardstheengine轴承向发动机方向移动•PULL拉式:Bearingmovesawayfromtheengine轴承朝远离发动机的方向移动“PushorPull”“推式或拉式”2626LBAAdvantages优势•ReleaseBearingisseparatefromcoverassembly,分离轴承与压盘总成分开•Simp