螺杆压缩机轴承受力计算

,121000L/min,90N,3.5mm,,,,,2,,,031.2.1314.512617.23,qV2I,2(),,325,:[1],.[M].:,1980:2242233.[2],,.[M].:,1993:1292164.():2007211202:(19722),,,,,:100027466(2008)0220022203(,200011):,,,:;;;:TQ051.211:ACalculationofBearingLoadsforGasScrewCompressorZHONGZi2jian372Vol137No1220083PETRO2CHEMICALEQUIPMENTMar12008©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ShanghaiMarineDieselEngineResearchInstitute,Shanghai200011,China)Abstract:Asscrewcompressorhasbeenwidelyusedingasindustry,bearingplayedanimpor2tantroleinitslong2periodoperation.Toacquaintthebearingload,acompletemechanicalmodelisproposed,inwhichthegasforce,gearforce,weightofrotorandthrustofbalanceplatearetakenintoaccount,anditprovidesatheoreticalbasisfordesignofrotor,bearingandfoundation.Keywords:gasscrewcompressor;bearing;load;calculation,,,[1][2],[3],,,1,,(FgasFgas(Fgas)FgzFgxFgy)(FaFrxsFrysFrxdFryd)Fw(FgeaFger)Fb,1xy:Fryd(015l2d+l3d+l4+l3s+015l2s)=Fgy(l4+l3s+015l2s-lg)+Fger(015l2s+015l1s)+Mws(1)Frxd(015l2d+l3d+l4+l3s+015l2s)=Fgx(l4+l3s+015l2s-lg)(2):Frd=Frxd2+Fryd2(3)xy:Frys(015l2s+l3s+l4+l3d+015l2d)=Fgy(l3s+015l2d+lg)+Fger(015l2d+l3d+l4+l3s+015l2s)+Mwd(4)Frxs(015l2s+l3s+l4+l3d+015l2d)=Fgx(l3s+015l2d+lg)(5)1,MwsMwd,Nm:Frs=Frxs2+Frys2(6):Fa=Fgz+Fgas-Fgea-Fb-Fgas(7)2/z(z),,,[2],,pp()p()-ps(ps),,[3],xyz3[2]:322:©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=[p()-ps]ks9Sy9tdtd=[p()-ps]ks(sindx+cosdy)dtd(8)Fgy=[p()-ps]k-s9Sx9tdtd=[p()-ps]ks(-cosdx+sindy)dtd(9)Fgz=[p()-ps]kSx9Sx9t+Sy9Sy9tdtd=[p()-ps]ks(xdx+ydy)dtd(10),SxSySz,Sx=xcos-ysin,Sy=xsin-ycos,Sz=s;xy,s,m;t,,radxy:Mgx=kSx9Sx9t+Sy9Sy9tSy+s9Sx9tSzdtd=k[(xydx+y2dy+s2dx)cos+(xydy+x2dx-s2dy)sin]dtd(11)Mgy=k-Sx9Sx9t+Sy9Sy9tSx+s9Sy9tSxdtd=k[(xydx+y2dy+s2dx)sin-(xydy+x2dx-s2dy)cos]dtd(12)(8)(12)t[2]:=arcsinxdx+ydyr2t(dx)2+(dy)2-arctandxdy(13),r2t,m:lg=Mgx/Fgx(14)2LG252/0.0250.163,4/6SRMA,,r1t=160mm,r2t=240mm,h=95mm,h0=15mm,p=10,=1.4,0.025MPa(A),0.163MPa(G),(3)(6)(7)22,,,,,8%10%,23,,,,:[1].[M].:,2000.[2],,.[J].,2002,19(1):90292.[3].[J].,1990,12(2):23227.()(),90%,,110TRT0.50,35.2,,,,,()42200837©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.