外文翻译液力变矩器增矩原理与构造.docx
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外文翻译液力变矩器增矩原理与构造.docx
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外文翻译液力变矩器增矩原理与构造
TorqueConverterprinciplesandstructurebymoment
1)Theformoftorqueconverterand characteristics
Torqueconverterfluidastheworkingmediumisanon-rigidtorquevariable Converterisonetypeofhydraulictransmission. orqueconverterhasexcellentfeatures,automaticadaptive,variablespeed,good Goodlowspeedperformanceandstability,vibrationisolation,andnomechanicalwear,istheothertransmissionelement Piecesofirreplaceable. Aftercenturiesofdevelopment,continuousexpansionoftheapplicationoftorqueconverter Large,fromautomobiles,engineeringmachinerytothepetroleum,chemical,mining,metallurgyandmachinery,andotherareas Hasbeenwidelyused. Torqueconverterflowfieldtheory,designandmanufacturing,real Testingandotherresearchwork,inrecentyears,hasalsobeenrapiddevelopment.Abroadhave Generallythehydraulictransmissionforcars,buses,luxurybuses,heavy-dutygas Cars,sometractorsandconstructionmachinery. Thewidelyusedtorqueconverterarethefollowingforms:
(1)General Workingthroughthreeroundsofclosedtypehydraulictorqueconverter. Simplestructure,startingandlowspeedvehicles Exercise,themainadvantageoftheincreasedtorqueperformancetorqueconverter,shiftwhentheuseoftorqueconverter Buffercapacity,high-speedtorqueconverterlockwillmakefulluseofefficientmechanicaltransmission Performance;
(2)Multi-wheeltorqueconverterwork. Mainlyforapplicationsthatrequirehighstartingtorque Constructionmachineryandvehicles,andtheneedformoretorqueconverteronthemechanicalconditionsofwork; (3)guidevanetorqueconverter. Whentheloadrequiredfortwo-waymovement,onthedynamicperformance Withaconstantspeedorconstantforcerequirementsandotherspecialtractioncharacteristics,withatorqueconvertermustbe Hasanadjustablefeedbackcontrolfunctions,anddynamicindicatorsmeetcertain Requirements. Mainapplicationareas,withspecialtractionrequirementsofthevariousmilitaryandcivilmachinery, Suchasairrefuelinghosereeldragaroundmachinery,activeandpassivetwo-waymovementConstantloadtest Inspectionmachinery,largefixedelevatormachinery,landorshipbasedaroundthemechanicaldragofunderwaterobjects Etc.;(4)abrakehydraulictorqueconvertertraction. Towingcapacity,whileensuring, Fulluseofthedecelerationtorqueconverterperformance. Russiadevelopedaslight Citedabrakehydraulictorqueconverter.
2)Theconstructionofhydraulictorqueconverter
Torqueconvertertotheliquidasthemedium,increasedfromtheenginetransmissionand Torque. Bytherotatingtorqueconverterpumpandturbinewheel,andstationary Threecomponents,theguidewheel. Thepiecesofaluminumalloycasting,orstampingandweldingsteelplate Made. Pumpwheelandthetorqueconvertershellintoone. Boltedtotheflywheel,turbo Throughthedrivenshaftandthetransmissionsystemconnectedtothepiece. Afteralltheworkroundtheassembly,theformationof Circularringofcircularcrosssectionbody. Ithasaclosedworkingchamber,theliquidinthecavity Circulation,inwhichthepumpwheel,turbineandguiderollers,andtheinputshaft,outputshaftandshell Associatedbodies. Powergraspinternalcombustionengine,electricmotor,etc.)drivetheinputshaftrotates,theliquid Bodyturnsoutfromthecentrifugalpump,inturnthroughtheturbine,andthenreturnpumpidlerpulleywheel,Week Rebeginningtocirculate. Axisofimpellermechanicalenergyinputpassedtotheliquid. High-speed Liquiddriveaturbinerotation,theenergytotheoutputshaft. Bythetorqueconverterfluid Interactionofangularmomentumandleavesthechangeoftorquetransmission.Torqueconverter Differentfromthecouplingofthemainfeaturesisthatithasafixedguidewheel.Guidewheel Diversioneffectoftheliquidsothatthetorqueconverteroutputtorquecanbehigherorlowerthantheinput Torque,whichiscalledtorqueconverter. Andmomentcoefficientswiththeoutputspeedrises. Torqueconverterinputshaftandoutputshaftbythefluidbetweenthecontactamongthecomponentsdonotwork Arigidconnection. Torqueconverterischaracterizedby:
toeliminateshockandvibration,overload Protectionperformanceandgoodstartingperformance;theoutputshaftspeedcanbegreaterthanorlessthantheinputshaft Speed,thespeeddifferencebetweenthetwoaxeswiththesizeofthedifferenttransfertorque;haveagoodself- Dynamicspeedperformance,loadincreasesoutputspeedautomaticdecline,andviceversaautomaticallyincreased; Powermachinetoensureastableworkarea,thebasicloadtransientswillnotbereflected Tothepowermachineon. Torqueconverterefficiencyinthevicinityofthehigherratedoperatingconditions. Impelleris Torqueconvertercore. Thetypeandarrangementofitslocationandshapeofleaves, Decisionontheroleoftheperformanceoftorqueconverter. Somehavetwoormorehydraulictorqueconverter Turbo,idlerpulleyorpumpwheel,soastogetdifferentperformance. Themostcommonisbeingtransferred, Single-stage(onlyoneturbine)torqueconverter. Performanceofbothconverterandcoupler Characteristicsofintegrated-typetorqueconverteras,forexample,canbefixedguidewheelcanalsobewith Withtherotatingimpellertorqueconverter. Totorqueconvertertoworkproperly,toavoid Theavoidanceofcavitationandensureheatdissipation,needsomeauxiliaryfuelsystemsupplypressure Systemandcoolingsystem.
3)Thetorqueconverterworks
Torqueconverterequipmentcurrentlyusedwidelyusedbythepumpwheel,turbineandguide Roundconsistingofthreecomponentsofasingle-stagetwo-phaseintegratedtorqueconverterLockup. Pumpwheelandthevortex Arebasin-shapedwheel. Evenwiththetorqueconverterimpellerhousingasoneoftheactivedevice;vortex Wheelssuspendedinthetorqueconverter,throughthesplinedoutputshaftconnectedtoaslavedevice;guide Suspendedinthepumpwheelandturbinewheelbetweentheaxlethroughone-wayclutchandtheguidesleevefixed Inthetransmissionhousing. Afterstartingtheengine,crankshaftdrivenpumpwheelrotation,thecentrifugalforcegeneratedbyrotation Thepumpwheelbladesalongthebladebetweentheworkingfluidfromtheinnertotheouteredgethrown;thisdivision Asaliquidpumpwithbothwheelsturntogetherwiththepark'ssub-circumferentialspeed,butalsotowardthevortex Wheelspeedoftheaxialpoints. Theimpactoftheworkingfluidturbineblade,turbineandpumpdrive thedirectionofwheelrotationDivision. Workingfluidflowfromtheturbinespeedcanbeseenastheworkingliquidfortheturbine Sub-surfaceflowspeedoftheturbineturntogetherwiththesub-speedsynthesis.Whenthevortex Comparisonofhoursofwheelspeed,theworkingfluidflowingfromtheturbineisbackward,theimpactoftheworkingfluid Frontguidewheelblades. Becausetheguidewheelislimitedtoone-wayclutchcannotturnback, Soguidewheelbladeswillguidetheworkingfluidflowsbacktomoveforwardpumpblades, Forthepumpwheelrotation,sothatthetorqueactingontheturbineincreases. Astheturbinespeedincreases,subspeedbigger,whentheturbinebladesurfaceflow Pointsoutwiththeturbinespeedandthespeedwiththevelocityofrotationstartingpointsthatguidewheel Thebackoftheblade,thetorqueconvertertoreachthecriticalpoint. Whentheturbinespeedtofurtherincrease Theworkingsolutionwillimpactthebackofguidewheelblades. Becauseonewayclutchallowsguide Forwardtogetherwiththepumpwheelwheelrotation,sotheworkingfluid,drivenalongtheguidepulleywheelpump Freerotationdirectionofrotation,theworkingfluidbacktothepumpwheelsmoothly.Whentheflowfromtheturbine Justoutoftheworkingfluidexittorollerbladeinthesamedirection,thetorqueconverterdoesnotproduce Bytorsion(wherethetorqueconverterfluidcouplingconditioniscalledcondition)o One-wayclutchesarecommonlyusedone-wayrollerclutchandwedgetwo. Whentheone-wayclutchouterseatwithintheseatrelativetothedirectionofrotationtoanouter Seatandwasstuckbetweentheseatrefusestomove;whentheoutsiderelativetotheseattoanotherseatwithin Adirectionofrotation,theouterseatringcanrotaterelativetotheseat. Passedbytheworkingfluidtorqueconvertertorquetransmissionefficiencythanmechanicaltransmission Rateislow. Setinthetorqueconverterclutchlock,youcanhigh-speedconditions Lockthepumpwheelandturbinetogethertoachieveadirecttransferpowertoenhancethetransmissiontorqueconverter Dynamicefficiency. Lockthetorqueconverterclutchinfrontoftheturbine,bylockingthepiston,reducing Vibratingplateandtheturbinedriveboardcomposition. Automaticlockingclutchinthehydrauliccontrolsystem Underthecontrolofenergyattherighttimetolockswitch.
4)Increasingofthetorqueconverterprinciplemoments
General,thevehicleatlowspeeds,theneedtoincreasethetorque,thepumpwheelpass Redwizardflowturbinewheel,idlerpulleyanddriventowardtheturbineflowagain,soVortex Wheeltorquehasbeenincreased. Asthespeedincreases,theguidepulleydrivenflowagain Theimpactofchangesintheangleoftheturbine,theturbinetorquearesmallerincrease. Finally,theimpactof Theflowguidewheelguidewheelofthenegativeimpact,one-wayrotatingguidewheel,nolongerplayedby Addthefunctionoftorque. Specifically,beforethecarstarted,theturbinespeedis0,theenginethroughthe Torqueconverterpumphousingdrivenwheelrotation,andthehydraulicoilwithasizeof Mpoftorque,thetorqueisthetorqueconverterinputtorque. Hydraulicoilpump Wheelblades,
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