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外文翻译--桥式起重机.doc

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外文翻译--桥式起重机.doc

徐州工程学院毕业设计论文1附录附录1英文原文BridgeCraneBridgecraneishavinganelevatedtrackrunninginabridgetypecrane,alsoknownasthecrane.BridgeCraneinthelayingofthebridgeonbothsidesalongtheelevatedtrackontheverticalrun,liftingtrolleyalongthebridgelayingonthetrackinthehorizontaloperation,ascopeofworkofarectangle,itcantakefulladvantageofhavingthespacebelowliftingmaterialsfromthegroundequipmenthindered.BridgeCranewidelyusedinindoorwarehouses,factories,wharvesandopenstorageyardandotherplaces.Abletocarryitems,stoodup,liftingstatus,andadjustoperations,mainlyfortheworkshop,sectionsandsteelproductionlinesyard,etc..Liftingcapacityusuallyinthe10to100t.Bridgecraneitselfforhorizontalmovement,thewinchframefortheverticalmovementofthewinchsuspendedfromthehookforverticalmovement,thedirectionofmovementofthreeofthecranecanwork.Inordertopreventbridgecranedrivernotclearinthespecifichookcampaign,onthegroundareequippedwithliftingthegeneralcommandorfolder,puthook.Ifhangingoverheadcranehoistedelectromagneticliftingplate,oftenoperatedbythedriversthemselves.Bridgecranescanbedividedintogeneraloverheadcrane,simplegirderbridgecraneforbridgecraneandmetallurgicalthree.Ordinarygeneraloverheadcranefromliftingtrolley,havingruninstitutions,havingcomposedofametalstructure.Liftingupfromthecarandfrominstitutions,agenciesandthecarrunningsmallframeconsistsofthreeparts.Liftingbodies,includingthemotor,brakes,reducer,andthepulleydrumgroup.Motorthroughthereducer,drivenrotatingdrumsothatthewireropearound42.50or42.50downtoliftingweights.Smallframeisfromthebracketsandinstallorrunagenciesandinstitutions,suchascarpartsrack,usuallyweldedstructure.Cranerunningthedrivingmodecanbedividedintotwocategoriesonecategoryistheconcentrateddrive,whichusesamotordriveninitiativesonbothsidesofthedriveshaftdrivenwheelweredriventoanother,thatis,onbothsidesoftheinitiativethewheelswithamotordrive.Small,mediumandlargeroverheadcranewithbrake,andmotorreducercombinationintooneofthetripleplaydrive,theweightoftheordinaryfromtheoverheadcraneforeasyinstallationandadjustment,oftendrivetheuseofuniversalaxis.Cranenormallyusedonlyfouractiveanddrivenwheels,ifagreatweight,increase徐州工程学院毕业设计论文2commonapproachtoreducewheelroundpressure.Whenmorethanfourwheels,mustadoptabalancedhingedframedevicesothatthecraneloadevenlydistributedinthewheels.Bridgemetalstructurefromthemainsorghumandsorghumcomposedofthemainbeamisdividedintosingleanddoublegirderbridgehavingtwocategories.Singlebeambridgefromthemainbeamandasingleonbothsidesofthespanattheendofsorghum,dualbeambridgebythetwomainsorghumandsorghumcomponent.LiangLiangGangandtheendofthelinkbeamendswithwheels,forsupportinganelevatedbridgeintherunning.Amainbeamweldingontrackfortheliftingtrolleyrunning.Havingthestructureofthemainbeamtypeismoreatypicalboxstructure,thefourtrussstructureandfastingtrussstructure.Boxstructurecanbedividedintotwotrackboxgirder,partialdoubletrackboxbeam,singlebiasrailboxandseveralmainsorghum.Dualtrackboxgirderistheextensiveuseofabasicform,themainbeamfromtheupperandlowerflangeonbothsidesoftheplateandverticalwebcomposition,layoutrailcarinthecenteroftheflangeplatesonline,anditssimplestructure,manufacturingconvenient,suitableformassproduction,butlargerforces.Partialtracksboxgirderandpartialdoubletrackboxsectionofthemainbeamarefromtheupperandlowerrangesflangeplatesandthickwebofthemaincomponents,railcarinthemainweblayoutabove,theshortXiangbennaomitthestiffeningplate,whichtracksboxsidemainbeamfromawideflangeboxinsteadofthemainsorghumtwomainsorghum,respectsmaller,butmorecomplexmanufacturing.4trusstypestructurefromfourplanetrussstructureintoaclosedspace,inthegenerallevelofthesurfaceTrussshopsfollowplate,lightweight,rigidity,butcomparedwithotherstructures,anditsdimensions,creatingmorecomplex,fatiguelowerintensity,hasbeenlessproductive.Partialfastingtrussstructuresimilartothemaintracksboxgirderfromthefourcomponentsofaclosedsteelstructure,inadditiontothemainwebfortheSolidshapedbeam,theotherthreeplateinaccordancewiththedesignrequirementscutintomanywindows,forminganorampsFastingTruss,inthelowerlevelofthesurfaceoccupiedbytakingtrussplate,cranesandtheoperationofelectricalequipmentinstalledinthebridgehouse,lighterforces,theoverallstiffness,andthatinChinaisamorewidelyusedtype.Generaloverheadcraneusedmainlydrivenpower,thegeneralisinthedriverindoormanipulation,butalsoremotecontrol.Fromtheweightofupto500tons,upto60mspan.Simplebeambridgecraneknownassorghumcranes,andthestructureandcompositionofordinarybridgecranesimilartoaweight,spanandspeedaresmaller.BridgeisthemainsorghumorothersteelIbeamandplatesteelgirdersectioncomposedofsimple,handpullorelectrichoistaccompaniedbygourdsimpleasliftingtrolleycar,thecarusuallyintheword徐州工程学院毕业设计论文3sorghumrunonthenextflange.Bridgecanbeelevatedalongtheorbit,butalsoalongtheelevatedsuspensioninthefollowingorbit,suchasacranehoistedsorghumcrane.Metallurgicaldedicatedbridgecraneinthesteelproductionprocesscanbeinvolvedinaspecificprocessoperation,anditsbasicstructureandgeneraloverheadcranesimilar,butinsmallvehiclesareequippedwithliftingtheworkofspecialagenciesordevices.Thisfeatureistheworkofacraneusedfrequently,poor,workinglevelhigher.Dualbeambridgecranefactoriesonthetrackalongtheverticaldirectionofmovement,thelateralmovementandtrolleymovementscampaigntohookwork.Appliedtomachiningandassemblyshop,ametalstructureworkshop,mechanicalworkshops,metallurgyandcastingworkshopandwarehousetypeliftingwork.Withscoresfromtheweightoftheform,molecularweightmainlyGouqi,thedenominatorasviceGouqiweight.Therearefivemaintypes.CastingCranefortheliftingofhotmetalintoMixer,furnacesandmoltensteelintoliftingequipmentorcontinuousingotsteelingotmouldused.Shengbarrelsliftingthecar,aflipsheng,deputytrolleybarrels,andotherauxiliarywork.TongscraneUsingtongshightemperaturesteelingotwillbeverticallybeingliftedontoadeepsoakingpits,orputitoutthecarshippedspindles.StripperCraneaningotfromthemandatoryextrusioningotmold.TherearespecialsmallcarStripperdevices,spindlesStripperunderwayandtheshapeofthemodelSomeStrippercraneisattributabletosuppressbillets,ingotsfiledwiththeclampmoduleSomeoftheclamppuncturedingotmould,withIngotfiledsmallpairofpliers.FeedingCraneChargewillbeaddedtotheopenhearthfurnace.Trolleybottomofthecolumnwiththepickandincitingmaterialtomeanditintothefurnace.Themaincolumntobypasstheverticalaxisrotation,pickandrotarycanswingfromtoptobottom.Deputycarrepairfurnaceforsuchauxiliaryoperations.ForgingCranetomeetwithhydraulicforginglargeworkpieces.TrolleydisplayedonthemainhookupspecialfeedertosupportandfliptheworkpieceVicecarusedtolifttheworkpiece.Dualbeambridgecrane,thebiggestweightfrom100tons,thehookandgrab,electromagnetic,metallurgicalcranes,quenchingcrane,manualdoublegirderbridgecrane,electrichoistdoublegirderoverheadcranewiththecraneunitJB/T14405genericbridgecranestandard,thequalityofproductstoJB/T53442universaloverheadcraneproductqualitygradefirstclassrequirements.Itsstructuralfeaturesofstartingupandrunningwiththecarrunningonthebridge,ametalstructureforthedoublegirderboxform.Fromthecharacteristicsofthedeviceinaccordancewiththeclassificationforthehook,grab,electromagneticandmultipurposebridgecrane,mainlyforthemines,factories,wharvesandwarehouses,andother徐州工程学院毕业设计论文4materialhandlingoperationsfrequentstops,asacranequenchingequipment,ahighspeedheattreatmentprocessofdecline.Metallurgicalcastingmoltensteelcranetotransportpacketisindispensablethansmeltingindustrialequipment.Theuseofmodernmeansofscienceandtechnology,willenableanycranestructurewithajumpspeedperformance.Canbeusedwithhighlevelrotatinghookforstackingoperations.Singlegirderbridgecrane,thelargestweightof10tonsfrom,hookandgrab,electromagnetic,flyingsinglegirderbridgecrane,manualsinglegirderbridgecranewiththecraneunitJB/T1306electricsinglegirderbridgeCraneandJB/T2603electricsinglegirderoverheadcranehoistedthestandardrequirements.ItsstructureischaracterizedmanualorelectrichoistmonorailcaralongthemainbeamundertheflangeIbeamoperation,materialhandlingoperations,normallyusedforworkshops,warehousesandothermaterialhandlingoperations,whichmanualdoesnotallowforsinglegirdercraneNoelectricityorpoweroccasions.Grabmotorwiththemonorailorbulkmaterialscanalsobeusedtograboperations,theunitcranecompactstructure,operationalflexibility,canbeusedtoground,canalsobeusedtooperatethecab.Specialcircumstancescanalsobeusedforremoteoperation.Industrialproductionorstorageisindispensableequipment.Cranenormalworkinghourstoallowaliftingofthegreatestqualityasratedstartingweight.Ratedcranehookfromthehookandtheweightdoesnotincludethefixedpulleygroupthemselves.Grabsuckerandelectromagneticdevices,suchasthequalityofadmissionincludedintheratingsfromtheweight.InaccordancewiththestandardprovisionsofthebridgecranefromtheweightofaseriesofprioritynumbersystemisR10,from3.2t,beginningwiththeincrementof1.25Gongpi4,5,6.3,8,10,12.5,16,20,25,32,40,50t.Butdomesticproductsonlyunderthebridgecraneyearsofproductionpractices,fromtheaboveseriesofelectedpartoftheactualcompositionofaseriesofweight.IsthemostcommonlyusedSeries5t,10t,16t,20t,32tand50t.Normally,whenaweightofmorethan10t,orfromtheestablishmentoftwobodies,namelytheliftingofliftingbodiesandinstitutions,bothfromtheweightofaratioofabout14.Mainbodyfromtheweightor,forliftingheavycargoliftingoftheweightfromthesmall,butfaster,lighterfortheliftingofthegoodsorforsupportingeffortstoenhanceworkefficiency.Generalmaybethebiggestcraneliftingweightstodeterminethestartingweight,takingintoaccounttheconditionsofworkreproducedorprocessrequirements.Cranedoesnotallowtheuseofoverloading,intheliftingofthefrequentchangesoftheoccasion,craneshouldconsidercertainmargin.Insomecases,theoccasionalobjecttotheliftingofoverweightavailablewhentwocranescoordinatedoperations.Intheprocessfixed,theliftingoftheweightwillremainbasicallyunchanged,theuseofcranesloadedwiththebasiccircumstances,canbe

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