外文翻译---行星齿轮变速箱的设计研究

《外文翻译---行星齿轮变速箱的设计研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、附录A英文资料ResearchonDesignofPlanetaryGearboxNanjingArtilleryCollege　　RaoZhenggang［Abstract］Thedesignandcalculationsofplanetarygearboxaredetailedlydiscussedinthisthesis.Thecalculationsofstructureparameters,transmissionratio,torqueofeachshaft,braketorque,lockingmomen

2、t,andtransmissionpowerareexplainedhere.Hence,thispaperisofmuchimportancetothedesignofplanetarygearboxofcaterpillarvehicle,tank,artilleryandengineeringmechanics.Keywords:Planetarygearbox　　Structureparameter　　Torque　　Powerc)ClutchLlocksinternalgearrignbandswivelin

3、gjibH(seefigure3,c)　　WhenclutchLcombinesgearringbandswivelingjibHintoonewhole,nb=nH.ThentorqueTAofinputshaftAcantransmitthroughtwoways:oneistotransmittooutputshaftBthroughcentralgeara,planetgeargandswivelingjibH;theotheristoBbycentralgeara,planetgearg,internalge

4、arringbandclutchL.Atthismoment,TA=Ta,TB=-TAandlockingmomentTLisequaltothetorqueofinternalgearringTb,TL=Tb.Accordingtoformula(4-3),thelockingmomentTLisTL=Tb=pTa　　(4-11)　　Fromtheformulaabove,whencentralgearainputsandswivelingjibHoutputs,thelockingmomentTLofthefirs

5、tschemeisthelowestandthesizeissmaller.Soasto2K-H(A)planetarygearbox,thefirstschemeismorereasonable.　　(1)Supposeinternalgearringbinputs,swivelingjibHoutputs(seefigure4),TA=Tb,TB=TH;LetusdiscussthelockingmomentT1offrictionclutchofthreedifferentlockingpattern.　　a)C

6、lutchLlocksintermalgearringbandcentrageara(seefigure4,a),thatisna=nb=nH;thentheplanetbarbecomesawholeandrotates.SoTB=-TA,T1=Ta.Accordingtoformula(4-2),TLis:　　(4-12)　　So,　　b)ClutchLlockscentralgearaandswivelingjibH(seefigure4,b),thatisnH=naandTL=Ta.SoTLisSo,　　(4-

7、13)　　c)ClutchLlocksinternalgearringbandswivelingjibH(seefigure4,c),thatisnH=nbandTL=Tb.SincetheclutchLlinksinputshaftAandoutputshaftB,lockingmomentTLisequaltothetorquetransmittedbyshaftA,namelyTL=Tb=TA.SothelockingmomentTLisTL=TA　　Fromtheformulaabove,wheninterna

8、lgearringinputsandswivelingjiboutputs,lockingmomentTLofthefirstschemeisthelowest.Soitisthebesttoadoptthefirstlockingscheme.　　AfterTLiscalculated,thenecessarycontrolun