外文翻译--带式输送机的调试及对其液压自动拉紧装置的研究.doc

英文原文CommissioningofthebeltconveyorandautomaticallytightenitshydraulicdeviceofHydraulicbeltconveyorautomaticallytensioningdeviceisbasedontapeandinnormaloperationatthestartofthestrainofthedifferentneedsofthetape,afterreasonableanalysisoftensionmodeldesigned.Hydraulicautomaticallytensioningdeviceisthetraditionalwaytightentheupgradingproductscanbewidelyusedincoal,metallurgical,powerplants,cementplants,terminalsandotherbulkmaterialconveyorbeltofthetake-upequipment.Beltconveyoraftertwocenturiesofdevelopment.Hasbecomefromtheinitialprototypedevelopmentwithahigh-speed,longdistance,high-power,thecapacityofmodernmeansoftransport,beltconveyorwidelyusedinmetallurgy,mining,chemicalindustry,ports,powerplants,lightindustry,buildingmaterialsandfoodAndmanyotherenterprisesonthefield.Becauseoftheirsteadyandreliableworkbeltconveyor,thenoiseofsmall,simplestructureandoperationoflow-cost,anywhereinfeedingorunloading.Hasbecomeamajorgranularmaterialtransportequipmentone.Astheconveyorbeltoftheviscoelasticproperties,inordertoensurebeltconveyorrunningthenecessaryfriction,wemustprovideasuitablestrainof.TensionbeltconveyordeviceisanimportantandindispensablecomponentofitspropertieshaveadirectimpactontheoverallperformanceofbeltconveyorsConveyorbeltbythenose,tail,drive,dragroller,roller,askedplanes,belts,consistingofcleaning,etc.Conveyorbeltinstalledintheend,officiallyputintouse,theequipmentneededtodebug.1.Aconveyorbeltofthedebuggingprocess1.1beltconveyorbeltconveyorbeltdeviationrunningbeltdeviationisthemostcommonfault.Failuretoresolvethefocusofattentionshouldbepaidtosuchinstallationofdimensionalaccuracyandday-to-daymaintenance.Deviationduetoacombination,dependingontheneedtoaddressthereasonsfordifferences.Suchas:1.1.1adjustmentdragrollerbearingGroupThebelt-beltinthecentralbeltofthetransportplanedeviation,theycandragrollbyadjustingthegrouptoadjustthelocationofdeviation.Specificmethodisbiasedbeltwhichsideofthetrailerrollgroupwhichsideofthedirectionofadvancementinthebelt,ortheothersideaftertheshift.1.1.2adjustmentbenddrum-drivendrumandthelocationofdrum-drivendrumandbendtheadjustmentdeviationadjustmentofthebeltisanimportantlink.Becauseabelttransportplanesatleast2-5drum,drumalltheinstallationlocationmustbeperpendiculartothelengthofthebelttransportsthecenterline,ifskewedtoomuchinevitabledeviation.1.2unusualnoiseRunningitstransportbeltdrive,drivepulleyandbenddrumrollanddragGroup,isnotnormalinabnormalnoisewillbeissued,accordingtotheabnormalnoisejudgementofequipmentfailure.1.2.1seriousdragrolleccentricitywhenthenoise.Conveyingbeltrunningtractorswillhappenveryoftenrollnoiseandvibrationmixiscyclical.Inparticular,isareturndragroll,becauseoftheirgreaterlength,itsownweight,andalsomorenoise.Noiseinthetwomainreasons:First,manufacturingtractorsrollofseamlesssteelpipewallthicknessuneven,thegreaterthecentrifugalforceandtheotherisintheprocessingofbearingsateitherendoftheroundholewiththeheartofbias,sothatwastoolargecentrifugalforce.Bearinginnotallowingthenoiseanddamagetotheexistenceoftoolarge.Bearinginnotallowingthenoiseanddamagetothecircumstancesmaycontinuetouse.1.2.2shaftcouplingthetwodifferentheartwhenthenoise.Inthehigh-speeddrivemotor-reducerandaskedthecouplingofthebandorbrakecouplingDepartmentissuedaroundoftheunusualnoise,thenoiseandalsowiththesamefrequencyofrotatingmotorvibration.Thisshouldbeanoisereducerintimetomotortoadjustthelocation,inordertoavoidreducerinputshaftfracture.1.2.3bendandrollingChienChien-drivenrollerabnormalnoise.Bendanddrum-drivendrumnormalworkinghoursnoiseisverysmall,unusualnoiseingeneralisdamagedbearings,housingsDepartmentissuedKakabeep,atthistimetoreplacebearings1.3beltskid.Tensioningdeviceusingaheavyhammerofthebeltwhentheplaneskidinthebelttoaddweighttoresolve,addedtothebeltsofarnotslippery.Butshouldnotaddtoomuch,soastokeepthebelttoomuchtobearunnecessarytensionandreducebeltlife.2.tensioningdeviceresearch2.1tensioningdevicefeaturesInthecourseofrunningbeltconveyors,shouldbeabletosolvethestart-up,parkingatthetapeskid,andtheimpactofthelossoftensionandotherissues,withtheuseofthebeltconveyorcontinuousexpansionandtheconstantdevelopmentofscienceandtechnology,andrationaldesigntensioningdeviceItisparticularlyimportant.Tensioningdevicefunctionsinthefollowingpoints:2.1.1ensurethatthetapedrivefromthepointofrollerBensufficienttension,thusensuringdrivemustrelyonthefrictiondrivetransmissionfrictiontraction,drivenconveyortothenormaloperation,Theconveyorsystemtopreventskidding.2.1.2ensurethatthesmallestbranchofcarryingthetensionpointmustbetension,restrictionsontheconveyorbeltintherolleraskedthesag,andensurenormaloperationofbeltconveyors,notbecauseoftheconveyorsystemdownthroughtheverticaljumpimpactcausedthecoalrollerLossescausedbytheelectricalenergyandthematerials,suchasfleshlitteredthephenomenon.2.1.3compensationtapeandplasticdeformationtransitionconditionelongationqualitativechange.Asloadwillcausechangesinthelengthoftheconveyorsystemchanges,creepphenomenonmaycauseconveyorbeltextension,thetensionthereisachangeinthetrendofsmall,toabsorbtheneedtensioningdevicebythecreepoftheSIN,tomaintainnormaloperationoftheconveyorTheminimumrequiredtension,thusensuringthenormaloperationofbeltconveyors.2.1.4fortheconveyorbelttomakethenecessaryjointtrippreparations.Eachhasanumberofjointbeltconveyor,whenaskedinapossiblejointwillhaveproblems,wemustfirstcutredo,tensioningdeviceforbeltconveyorpreparedaloadotherthanthetransportbelt,thiscanbethroughjointfailureRelaxationoftensionjointstosolvethere-installation.2.2PrincipleHydraulic-tensioningdeviceistheautomaticuseoftheconveyorbeltsensorsRallyRally,andgivenaftertherallytocompare.Tightlycontrolthehydrauliccylindermovement.Priortothecommencementofthebeltconveyor,hydraulictensioningdevicefirstlaunchedbyhydrauliccylindermovestotightenT1valueoftheconveyorsystemtoactivateRallyvalue(thevalueofthenormaloperationofabout1.5times).Conveyorandthenstartthemotor,sothattheT2=:eremainconstantthisrelationship,soastoachievetheobjectivetopreventslipping.Afterthelaunch,aftertheconveyorbelttotheratedspeed,T2areautomaticallyconvertedtothestablefunctioningofvalue.Inthestableoperationofstate,theconveyorbeltRallyalmostunchanged,tensioningdevicefixed.WhentheloadchangesorbecauseofothercausesRallydistributionchanges,sothatlargervalueofT2,hydrauliccylinderswillbeautomaticallymoves,sothattheelasticdeformationoftheconveyorsysteminordertoreducetheT2lower.Whenthe112hoursofchange,sensingvigorousrallywillsendasignaltopromotethehydrauliccylinderhydraulicpumpoilsupplytension.T2toachievethisratiotoaconstantvalue.3.Mainfeaturesandfunctions.Beltconveyorhydraulicwinchdynamictensioningdevicewiththecharacteristicsofthefollowingareas:3.1Takingintoaccountcurrentindirectresponsetoloadontheconveyorbeltofchange,drum-drivenmotorcurrentuseasafeedbacksignal,andthenundertheconveyorbelt,loadonthedirectregulationofchangesintheconveyorbelttension,Thiswillfundamentallyovercomethetraditionaldesignoftheproblemssothattheconveyorbeltattheturnoftensionandrelaxationofthestate,toextendthelifeofaconveyorbelttomeettheconveyorbeltontheslippery,Droopoftheconditionsisnotoverrun,beltconveyortomaintainnormaloperationoftherequiredminimumtake-upofdynamictension,youcanachievethebesteffectofdynamictension,thetensioningdevicecanalsoisstudyingtheconveyorThedynamicdesignofthematch,conveyortothecurrentsituationofthepotential.3.2Accordingtotheconveyorbeltontheconditionandthetension.Differentrequirements,simplymodifyproceduresinthecorrespondingSCMconditionsofparameters,youcanmaketheconveyorbelttensioningdevicesadapttotheneedsofallkinds,canbearbitraryregulationconveyorstartandstableoperationofthetension,tomeetthefullcommencementofTensionoverthestableoperationofthetensiononthe1.4to1.5timestherequest.3.3systemresponsespeed,highstability.Commencementofbeltconveyors,hydraulicstationcanimmediatelymovetotheelectromagneticvalvebrake-byreducingthefueltankpressuretoincreasemetresfromtheclutchasked,tensioningdevicereleasedtape,timelycompensationtapeelongation,Reducingthetape-edge-to-bear-impact,notonlystableandreliabletransmissionisactivated,itisbettertoprotectthetape,brokenbeltcanreduceaccidents.Hydraulicbeltconveyordynamictensioningdevicecanautomaticallyachievedynamictension,andfundamentallyresolvethetensionregulatingtheissueoflackofcoordination,fastresponse,thetake-upbetter-performing,haveagoodeconomicvalue,hasabroadApplication,toconveyorcurrenttrendofdevelopment.中文译文带式输送机的调试及对其液压自动拉紧装置的研究带式输送机液压自动拉紧装置是根据胶带在起动和正常运