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:100628224(2002)02232207AnalysisofStructureandTheoryonTheHydroViscousVariableSpeedDriver,,,SJTUAutomobileInstituteHuaJiaShouHeWeiLing,HuangHongChengPowerMechanicalEngineeringHuangLiuJi,WangZhiMinHotMillingsteelFactoryBaoSteelYangZheng[],[Abstract]TheHydroviscousvariablespeeddriverisanewtypeofliquiddrivesystemwhichtakethead2vantageofrelativeslidingbetweenfrictiondiscstoacheivesteplessspeedchange.Sinceitpowertransfer,torquevariationandspeedcontrolalldependonliquidviscosity,thiskindoftransmissionisreallythatofliquiddiscosity.Inthispaper,thestructureandmechanismofthisdriveraredescribed.:Keywords:HydroviscousvariablespeeddriverTorqueRotaryspeedSteplessspeedchange:TH137.33:B1,(1)1-a;1-b;1-c;1-d,,,60(),,,7080,25kW,,25.7%,4ö22,,,,,:23DriveSystemTechnique2ö2002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.öT5968-911:;(),,,,,,,,365Mn31.(1):(a),,,332ö2002DriveSystemTechnique©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(b),,()(c),(,,,1Table1MakeacomparisonbetweenseriesparameterofthehydroviscousdriverManufacturerSeriessymbolStandardizingorder()Seriesstandard(mainparameter)NoteTwin2disccorporationHy(cm)ContactO.Doffrictiondisc25,35,45,55,65,75,85,95,105,115LicensedbyTwindiscincorporatedMIGATAConverterCo.LTDHyc125JBöT5968291ChinaStandardYT(cm)ContactO.Doffrictiondisc160,200,250,320,400,500,630,800,1000,1250MarubenicorporationMC2YMC(kW)Transmittedpower(kW)MC2Y45N,MC2Y90N,MC2Y180,MC2Y180N,MC2Y200A,MC2Y400APhiladelphiaGearcorpora2tionHHV(kW)(lbfin)Transmittedpower(kW)Transmittedtorque(lbfin)8,12,29,40,50,60,80,100,125,165,200,250,300,400,530,700,1000ShinkoEngineeringCO.LTD.MC(kW)TransmittedPower(kW)MC100A,MC200A,MC300B,MC400A,MC500B,MC600A,MC800A,MC1200A,MC1700B,MC1700A,MC2500,MC4000A,MC6000A3Fig.3Oilgrooveshapeofthefrictiondiscsurface(2),,S=Ldvdh=L$vh=L$Xrh(1)L;r;$v;$X;h4,X1X2,h,rdr:dM0=S2Prdrõr(2)43DriveSystemTechnique2ö2002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=Rr2PSr2dr=LP$X(R4-r4)2h$X=X1-X2=P(n1-n2),(1)M0=LP2(n1-n2)(D4-d4)16h(3)(Z),M=LP2(n1-n2)(D4-d4)õZ16h(4)L,L=QM60Q(kgöm3),M(m2ös)D=0.2m;d=0.15m;Z=14;L=0.0252NSöm2;n1=2000röm,X1=2P2000601ös,h,M-i21(5)i,Mh(6)2.h$X,(4),M$Xh,(1)M=(4)i21=n2n1=1-16hMZP2L(D4-d4)n1(5)h=ZP2L(D4-d4)n116M,i21=0,,M,i21-h7,M,h,i21hN=MX1=,N2=5M2i21Fig.5CurveofM2i216M2hFig.6CurveofM2hMX2=MX1i21,N0=N1-N2=MX1(1-i21)X1,N1,N2i21,i21N2,i21=0,,i21=1,G=N2N1=MX1õi21MX1=i21(2)M532ö2002DriveSystemTechnique©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=cX2+e(4)cX2+e=LP2(n1-n2)(D4-d4)Z16hi21=X2X1=LP(D4-d4)Z16h-eX1c+LP(D4-d4)Z16h(6)i21h88i21-hFig.8Curveofi212hN1=MX1=cX2X1+eX1,N2=MX2=cX22+eX2,N0=N1-N2=(cX2+e)(X1-X2)=X21eX1+(c-eX1)i21-ci221N05N05i21=0,N0,c-dX1=2ci21i21=12-e2cX1,G=N2N1=MX2MX1=i213.9,,,,,,,rFr=QrX2õrdHdzdrQ9Fig.9rotaryCylinderRR,pP=2P0R0QrX2rdHdxdr2PRdx=13QX2R2(7),R,X1X2,,10,dydrrdH,Q,QdrõdyõrdHh,Xc=X1+X22:rX2cQõrdHdrdy,:pdyrdH-(p+dp)dyrdH+SdrrdH-(S+dS)drõrdH+QrX2cdrdyrdH=0P(Nöm2)S(Nöm2)r(m)Q(kgöm3)63DriveSystemTechnique2ö2002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=X1+X221ös10Fig.10rotatoryfrictiondiscwithoutoilgroove-dpdy-dSdr+QõrX2cdrdy=0:-dSdy=dpdr-QrX2cv,S=-Ldvdy,yd2vdy2=-1LdSdy(8)d2vdy2=1L(dpdr-QrX2c)(9)d2vdy2y;dpdr;L,y,dpdr,9dvdy=1L(dpdr-QrX2)+c1v=12L(dpdr-QrX2c)y2+c1y+c2(10),,,y=h2,V=0,10c1=0c2=-12L(dpdr-QrX2)h24V=12L(dpdr-QrX2)(y2-h24)(11)Vrydy,2Pr:dQ=2PrVdy=PrL(dpdr-QrX2)(y2-h24)dy,h-h2h2Q=h2-h2dQ=-Prh36L(dpdr-QrX2)(12),,r,Q=,12,dpdr=-6LQPrh3+QrX2r:p=-6LQPh3lnr+12QX2r2+C1(13)(10):r=R1p=p1r=R2p=p2Q=Ph36Lln(R2öR1)p1-p2+QX22(R22-R21)(14)C1=1ln(R2öR1)[p1lnR2-p2lnR1+12QX2(R22lnR1-R21lnR2)](12)p=lnrln(R2öR1)p1-p2+QX22(R22-R21)+12QX2r2+1ln(R2öR1)[p1lnR2-p2lnR1+12QX2(R22lnR1-R21lnR2)](15)pr11,(p1-p2),Qh12,,QX13P:P=2P0R2R1prdHdr=Pln(R2öR1)(p1-p2)(R22-R21)2+P(p2R22-p1R21)+732ö2002DriveSystemTechnique©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(R22-R21)24ln(R2öR1)-PQX2(R42-R41)4(16)11rpFig.11Oilfilmpressurepdistributiononradiusdirection12QhFig.12RelationcurvebetweenQwithh,41.(0),,,,,12.,13QXFig.13RelationCurvebetweenQwithX;,3.,,,,,4.,()5.,,T0$X=JõQõCvõQõ$t.T0,$X(X1-X2),J,Q,Cv,Q,$t1Q.B.2.,,1987,No.13.,20014(JBöT596891)5.,,1989.No.26.,,1990.No.183DriveSystemTechnique2ö2002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.