矿井提升机中英文对照外文翻译文献.docx

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矿井提升机中英文对照外文翻译文献.docx

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矿井提升机中英文对照外文翻译文献.docx

矿井提升机中英文对照外文翻译文献

(文档含英文原文和中文翻译)

 

中英文资料对照外文翻译

 

英文原文

StudyofInherentSafetyMinehoistbasedonmoderndesignmethods

Abstract—Asamodernsecuritydesign,InherentSafetymeansthatequipmentandfacilitiesisabletocontaintheinherentfundamentalfeaturestopreventaccidents.Minehoististhemostimportantequipmentinthecoalproduction.Howtoachievesafe,reliable,efficientproductionhasbeenthefocusstudyathomeandabroad.Inherentsafetyisreflectedinhoistdesign,primarilythroughthedesignmeasurestoimprovetheoperationofhoistsafetyandreliability.Inthispaper,InherentSafetytheoryisappliedinthedesignofminehoist,toproposedthedesignmethodbyusingthesoftwareofPRO/E􀋈PLC,Labviewetc..

Keywords-Minehoist;InherentSafety;PRO/E;PLC;Labview

I.INTRODUCTION

Incoalproduction,minehoististheequipmenttocarrycoal,gangue,materials,workersandequipmentsalongtherockshaft,theonlywaylinkedundergroundandaboveground,knownasminethroat.Minehoistisalarge-scalereciprocatingmachinerywhichhasthefeatureofownbiginertia,loadchanges,runningspeed,andwiderangeetal..Theadvantagesanddisadvantagesofitsoperatingperformance,notonlydirectlyaffectthenormalproductionandcoalproductionefficiency,butalsorelatetoequipmentandpersonalsafety.Inrecentyears,minehoistfailuresandaccidentshavehappenedathomeandabroadwhichhavepaidaheavypricetocoalcompanies.Therefore,theproductiontechnologyandsafetyofminehoistarehigher,anditsmechanicalmanufacturingtechnologyandelectricalcontroltechnologyhasbeenanimportantresearchareatotheinternationalmachinebuildingindustryandtheelectriccontrolindustry.

InherentSafetymeansthatequipmentandfacilitiesisabletocontaintheinherentfundamentalfeaturestopreventaccidents.InherentSafetyliesindesign,throughcontinuousimprovement,topreventaccidentsduetotheequipmentitselffailures.Inherentsafetyisreflectedinhoistdesign,primarilythroughthedesignmeasurestoimprovetheoperationofhoistsafetyandreliability.Inthispaper,InherentSafetytheoryisappliedinthedesignofminehoist,toproposedtheinherentsafetydesignmethodbyusethesoftwareofPRO/EPLC,Labviewetc..

II.INHERENTSAFETYTHEORY

Thetermofinherentsafetyoriginatesthedevelopmentofworldspacetechnologyinthe1950s.Theconceptiswidelyacceptedcloselylinkedwithscientifictechnologicalprogressandhumanunderstandingofsafetyculture.TheconceptofinherentsafetyproducedaftertheWorldWarIIwhichbecamemajorsafetyconceptinmanyindustrializedcountriessincethemid20thcentury.

Inherentsafetydesignasthebasicmethodofhazardcontrol,byselectingsafematerials,processroutes,mechanicalequipment,devices,toeliminateorcontrolhazardssourceratherthanrelyingon"additional"securitymeasuresormanagementmeasurestocontrolthem.Asinherentsafetydesign,firstlyanalyzeandidentifyhazardsthatmayoccurinsystem,andthenchoosethebestmethodstoeliminate,controlhazards,whichreflectedinprojectdesign.

Ⅲ.THEDESIGNOFINHERENTSAFETYMINEHOIST

Minehoistmainlyincludstheworkingdevice,controlsystem,transmissionsystemanddrag,protectionsystemsandothercomponents.Totheinherentsafetyminehoistdesign,mainlythemechanicalsystem,controlsystemandmonitorsystemisthemajorparttoconsidered.

A.In-depthinvestigationstofindmalfunction

Theconceptofinherentsafetyisrequiredsafetyallthetimeintheproductdesignprocess.Thatis,theequipmenthaslittlemalfunctionasmuchaspossibleduringtheoperationandhaslongnormaloperationcyclelength.Howcandesigninherentsafetyequipment,themostimportantthingisunderstandingenoughtotheequipment,especiallyinwork.Afterin-depthresearch,fullyunderstandingthesituation,trythebesttoreduceoreliminatethefaultinthedesign.Afterin-depthunderstandingofresearch,designproduct.

B.MechanicalSystem

Thetraditionalmethodofproducthaslongdesigncycle,highcosts.However,thevirtualprototypetechnologyhastheadvantageinsavingthedesigncost,shorteningthedesigncircle,byusingthemethodofmodeling,simulationfirstandthenbuildsthephysicalprototype.Therefore,thevirtualdesignisthedevelopingtrendsofmechanicaldesign.Inmechanicalsystemdesign,theapplicationofvirtualprototypeisusedtodesignminehoist,notonlyspeededupthedesignprocess,alsosimulatedavarietyofconditionstothevirtualprototypetodiscoverdesignfaults,toimprovethedesign,toimproveminehoistperformance.

Minehoistmechanicalsystemiscomposedofspindle,roller,reducer,motor,brakesandothercomponents.Initsdesign,virtualdesignsoftwarePRO/Eisappliedtoestablishhoistprototype,applicationofsimulationsoftwareADAMSisusedtosimulateandoptimizethedesign.SpecificprocessshowninFigure1:

Figure1.Mechanicalsystemdesign

C.Controlsystemdesign

Minehoistcontrolsystemincludesstart,run,brake,etc.,therequirementsincontrolsystemare:

Innormalhoistoperation,participationinhoistspeedcontrol,brakethehoistwhenreachingthedestination,knownastheservicebraking;

Incaseofemergency,canquicklyslowdownasrequired,brakehoist,topreventtheexpansionoftheaccident,thatisthesafetybraking;Participateinthehoistspeedcontrolwhendecelerati;Todouble-rollerhoist,shouldbrakethemovingrollerandfixrollerrespectivelywhenregulatingropelength,replacementlevelandchangingrope,sothat,movingrollerwouldnotmovewhenspindlerotateswiththefixedroller.

MostofminehoistsinChina(morethan70%)usethetraditionalelectriccontrolsystem(tkd-aastherepresentative).Tkdcontrolsystemiscomposedofrelaylogiccircuits,largeaircontactors,tachometergeneratoretc.,whichisatouchcontrolsystem.Afteryearsofdevelopment,tkd-aseriesofelectriccontrolsystemhasformeditsowncharacteristics,butitsshortcomingsareobvious.Itselectricalcircuitistoocomplicated,multi-line,causinghoistparkingandaccidentsoccurredduetoelectricalfault.Withthecomputeranddigitaltechnology,toformadigitalhoistcontrolsystemofPLChasbecomepossible.PLCcontrolsystemhashighcontrolprecision,parameterstability,simplehardwarestructure,self-diagnosticcapabilityandcommunicationnetworkingfunction.

MinehoistcontrolsystembasedonPLCtechnologystructureshowninFigure2,mainlyincludingthefollowingcomponents:

themainplccontrolcircuits,hoistroutedetectionanddisplaycircuits,speeddetection,andsignalcircuits.ThePLCofthemaincontrolcircuitsusesMitsubishiFX2NseriesinJapanwhichmoredomesticapplications.

Figure2PLCelectriccontrolsystem

D.Monitoringsystemdesign

Toensuresafeoperationofthehoist,exceptforselectingthereasonableoperationdesignparameters,theuseofadvancedcontrolsystem,shouldalsomonitorthetechnologicalparametersonregular,conscientiouslydoperformancetestworktomasterthehoistperformance,discoverthedefectsintime,eliminatehiddendanger,avoidunnecessarylosses.Inaddition,thehoistoperationstatecanbeimprovedtoworkinthebestconditionsbasedontestdata.Therefore,thehoistcouldworksafely,reliably,havehighefficiency,andextenditsworklife.

Virtualinstrumenttechnologyiscomputer-basedinstrumentationandmeasurementtechnology,isloadedsomesoftwareandhardwareonthecomputerwithsimilarappearanceandperformanceoftheactualindependentinstrument.Theuseroperatingthecomputer,likemanipulatingaespeciallyconventionalelectronicdevicesdesignedtheirs.Theessenceofvirtualinstrumenttechnologyisthathardwaresoftwarizedtechnology,takefulladvantageofthelatestcomputertechnologytoimplementandexpandthefunctionsoftraditionalinstruments.

LabVIEW(laboratoryvirtualinstrumentengineeringworkbench)isagraphicalprogramminganddevelopmentenvironment,alsoknownas"G"language.Itiswidelyusedbyindustry,academiaandresearchlaboratories,acceptedasthestandarddataacquisitionandinstrumentcontrolsoftware.LabVIEWnotonlyprovidesandcomplieswithallthefunctionsofhardwareanddataacquisitioncardscommunicationsofGPIB,VXI,RS-232andRS-485protocol,andbuilt-inlibraryfunctionssupportforTCP/IP,ActiveXandothersoftwarestandards.Thesoftwareforscientistsandengineersisaprogramminglanguage,itprovidesasimple,intuitivegraphicalprogrammingmode,savesalotofdevelopmenttime,hascompletefunction,bestembodiedstyleofvirtualinstrument.

Inresponsetothesecircumstances,developedaminehoistIntegratePerformanceMonitoringSystembasedonvirtualinstrumentLabVIEW-based.ShowinFigure3.Withsignalconditioninganddataacquisitioncardtoreceivesignalsfromsensors,thensentthereceivedsignaltothevirtualinstrumentsoftwareplatform,enablesthefollowingfeatures:

(1)showspeed,acceleration,brakingtime,displacement,oilpressure,delaytimeandotherrelevantparametersindigital,anddisplayspeed,acceleration,traction,displacementandhydrauliccurves.

(2)Dynamicallymonitorthehydraulicoilpressureandoilpumprunningstation,basedontheseparameterstoavoidimportantbrakingsystemfailure.

(3)Testbrakeairtraveltime,relaydelaytimeandothertimeparameters.

(4)inquirytothemeasuredcurveandhoistparameters;printatestreport.

Figure3.Diagramoftestsystem

Themonitoringsystemhascharacteristicssuchascompact,lightweight,highprecision,testingconvenientandflexible,feature-richsoftwareetc..thesystemcannotonlydisplayautomati

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