大型回转轴承的承载性能分析

24220084MachineDesignandResearchVol.24No.2Apr.,2008:(04JY029-003):2007-11-09:100622343(2008)022082205,,(,610065,E2mail:[e-mail]):,(Hertz),,,,:;;;:TH133.33O343.3:AAnalysisofLoadCapacityforSlewingBearingZHENGLan2jiang,LIYan,ZHAOWu,YANGPi2zhu(SchoolofManufacturingScienceandEngineering,SichuanUniversity,SichuanChengdu610065,China)Abstract:BasedonthecontactmechanicstheoryofHertz,fortheslewingbearingcalculation.aanalyticalfor2mulaabouttheinfluencemomentofballbearingwithinitialcontactangleispresented.Thispaperhasstadiedthemeshstandardsandtheprincionofsettingkeyoptsduringusingthefiniteelementanalysis(FEA)softwaretosolvethebear2ingcontactproblem.Combiningaconcretewindturbinebearing,boththeanalyticalformulaandtheFEAareusedforanalytingandcalculatingtheparametersofmoment,maximumstressandcorrespondingballdeformation.Keywords:slewingbearing,contactanalysis,gridding,finiteelementanalysis30,,[13],[13],[47],,,,,(FiniteElementMethod),[8,9],,,,,:,,,,,,,,(KEYOPTS),,,(APDL),1[2],,,[10]0,,,(1),,,jjaj:aj=Dpw2cosj(1),2,Oe,Oi,Oii,OiOeOii+,,sinj=SGsin+Dpw2SGcosjSG1+Dpwcosj2SG2-2Dpwcosj2SGcos(90+)(2),j=360Zj(j=1,2,,Z);SG=(2fm-1)DW;Qn[10]:n=CQ32D13w(3)Q=D12wnC32,C[10]j,nj,2:nj=SG-SG=S2G+S2GDpwcosj2SG2-2S2GDpwcosj2SGcos(90+)-SG(4)Qj,Qj=(2fm-1C32D2wDpwcosj2SG2-Dpwcosj2SGcos(90+)-132(5)QjQjsinj,Mj=QjsinjDpw2cosjMj,M,OX,M=Zj=1Mj,cosjM=Zj=1Mj=Zj=1sin+Dpw|cosj|2SG1+Dpwcosj2SG2-Dpw|cosj|SGcos(90+)-1322fm-1CDpwD2w21+Dpwcosj2SG2-Dpw|cosj|SGcos(90+)(6),DPW;DW;SG;fm,fm=(fi+fe)/2;(6),,VC2,,2.1-,,ansys,[1113],(KEYOPTS),382:2.1.1Hertz,:R1=25mm,E1=200GPa,V1=0.269;R2=35mm,E2=207GPa,V2=0.3,P=200NPHertz[14]:max=9P216RE321/3(7)=3PR4E31/3(8)1(r)=p0(1-V21)4aE1(2a2-r2),0rFa(9),P;PO;;p(r);R,1R=1R1+1R2;E*,1E*=1-V21E1+1-V22E2:max=5.02m,1(r=0)=4.65m32.1.2ansys,,solid45,3,-,,14FKNmax1maxFKN,4,1(r=0)5:,FKN,FKN,,-FKN=1.0,40%5FKN1(r=0)2.2,,48242D0D1DpwDwZrireEXNuxyFrFaM2050mm1650mm1900mm40mm13822mm22mm45207GPa0.3125kN2000kN2000kNmm2.2.1(6)VC,3()M(N.mm)()(N)91720.0092199902276297952.2.22APDL,APDL,APDL67,,-,,70263(elem)43295(node),6,72.2.3:(1),(2),(1),Fr,F,[10],Pmax=5FrZ,f=FZ,Pmax=4523N,f=1449NM,76,Qj=29795N,,Qaj=517.6N,Qrj=1931.85N,3227.42,983.3N(2),,,,,,2.2.4,8Pmax=2632MPa,,max=26m310-4[3,4],40mm,max=26m310-4DW,,,:(1),(2),(3),(4),,,,Hertz83,,,,,582:,:[1]JoseIgnacioAmassorrain,XabierSagartzazu,JorgeDamian.Loaddistributioninafourcontact2pointslewingbearing[J].Mecha2nismandMachineTheory,2003,6(38):479796.[2]SZupan,IPrebil.Carryangleandcarryingcapacityofalargesinglerowballbearingasafunctionofgeometryparametersoftherollingcontactandthesupportingstructurestiffness[J].Mecha2nismandMachineTheory,2001,10(36):10871103.[3]LudwikKania.Modellingofrollersincalculationofslewingbear2ingwiththeuseoffiniteelements[J].MechanismandMachineTheory,2006,11(41):13591376.[4],.[J].(),2004,6(6):13.[51],.[J].,2003,4(4):69.[61].[J].(),1988,4(4):27.[7],.[J].,2006,9(9):5658.[8]YuanKang,Ping2chenshen,Chih2chingHuang.AmodificationoftheJones2Harrismethodfordeep2grooveballbearings[J].Tri2bologyInternational,2006,11(39):14131420.[9].[J].,2005,41(2):107111.[10](),[M].,.:,2003.[11]YGLiao,RKhetan,RStevenson.Anexperimentalinvestigationintothedeflectionofafixture2workpiecesystem[J].TransactionsofNAMRI/SME,2000,(28):413418.[12]ShanePSiebenaler,ShreyesN.Melkote.Predictionofworkpiecedeformationinafixturesystemusingthefiniteelementmethod[J].InternationalJournalofMachineTools&Manufacture.2006,1(46):5158.[13],,,.ansys[J].,2002,9(9):14.[14]JohnsonKL.ContactMechanics[M].Cambridge:CambridgeUniversityPress,1985.:(1982-),,,:(62)73(1);(2)UGNX,,,,;(3),,,,,;(4),:[1]SJCulley.Classificationapproachesforstandardpartstoaidde2signreuse[J].IMechEPartB1999,213:203207.[2].[J].,2007,23(1):913.[3],,.UG[J].,2004,39(5):9799.[4],,.[J].,2004,166(6):4042.[5],,,.[J].,2003,9(10):840844.[6],,,.[J].,2000,19(4):662664.[7].(3)[M].:,2003,1.:(1968-),,,;:6824