掘进机机械类外文翻译中英文翻译外文文献翻译.docx

掘进机机械类外文翻译中英文翻译外文文献翻译.docx

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掘进机机械类外文翻译中英文翻译外文文献翻译

外文原文：

TheverticalBoom-typeRoadheaderdesign

1Introduction

Mechanicaldesignisintheprocessofproductdesignandanimportantpartofthemainlinks,itisfollowedinprogrammedesignafterthedesignwork.TheverticalBoom-typeroadheader（theroadheader）totheoveralldesignofthemeritsofcompletemachineplayadecisiverole,andthedecisionoftheassembly,thesystem,coordinationbetweenthevariouscomponentsoftheunityandmatch,toobtainthehigh-endperformanceandoverallbettereconomicefficiencytechnology.Roadheaderdesign,includingthefollowing:

1）Accordingtodesignprojectdescriptionchoicetypeandvariouscellularconstructionpattern2）Decidesthecompletemachinethemaintechnicalperformanceparameter,Includingsizeparameter,heavyparameter,theparameterofmovementandthetechnicaleconomyreferparameter,3）Accordingtosystemdesignperformancerequirement,definitecompletemachinesystemcompositionandbetweenthemmatchaswellaseachpartmaintechnicalsenateparameter,4）Thenecessarywhole,andthemappingoftransmission,hydraulic,electroniccontrolsystems,andotherplans.

2theselectedmodelsandvariouscomponentsandstructuraltype,drive,andtheoveralllayoutofthereasonable

Indeterminingthecontent,firsttaskshouldbedesignedtomeetthecontents,especiallytheusersofthemaindemandsoftheinvestigation,thetwosidesexchangedviewsrepeatedly,tosatisfybothusers（orsuperior）conditions,canbettermeettheproductdevelopmentoftheoverallplan.

2.1theselectedmodels

Accordingtoroadheaderuse,forthecoalminetunnelboringorusedforothersectorsoftheworks,roadheaderworkingconditionsforcuttingcoalroadwayorsemi-CoalLane,thecompressivestrengthofcoalandrockone-way（orthevalueofplattscoefficientf）andtherockabrasionfactor.AtthesametimethecontrollineshouldbesuperscriptMT138~1995"cantileveredRoadheadertypesandparameters",

accordingtocuttingcoalandrockthebiggestone-waycompressivestrength,thetypeofselectedmodels.

2.2thestructureofthevariouscomponents,thewaythedriveridentified

Roadheaderbycuttinggeneralagencies,shippingagencies,walking,hydraulicsystem,electroniccontrolsystemsandauxiliarydevices（suchasdustremovaldevices,securitydevices,remotemonitoringdevices）andothercomponents.1）Cuttingagencies.CuttingthedrivefromACmotor-driven,inthetransmissionsystemlocatedinthegeneralprofilecouplingwithnomechanicaloverloadprotectiondevice,thetwoplanetsreducerdrivenspindlefrontofthecuttinghead.Somesectionsoftheworkingbodiesboringmachinehascutchain,disc-millingandcutting-suchascantilever.Cantileverduetothecutting-boringmachinebodyflexible,relativelysmall,cancutavarietyofshapesandsectionsoftheroadway,andtoachieveselectivecutting,butcuttinggoodeffect,ahigherrateofboring,sonowusedmainlycantileverCutting-andhasbecomeboringmachineworkingbodyofabasicpattern.Bycuttingheadofthelayout,isdividedintohorizontalandverticalaxisofthetwo.Theline-cuttingheadoftheadvantagesare:

Transmissionconvenient,compactandcanbecuttoanyshapeoftheprofile,easyaccesstotheformationofacross-sectionandisconducivetoexpansionintheuseofcantilever,orditchdigging,inWaterloo.Cuttingheadtheshapeofacylindrical,coneandtheconeandcylindrical,asthelattertwocuttingheadtodrilling,andthecuttingsurfacethantheformation,useitmore.Thisistheworkoftheshortcomings:

Asthelongitudinalaxisofcuttingheadinthehorizontalswingatthecuttingreactionforceisnotpassedmachinecentres,withcantileveredformoftorquetoboringmachinehaveagreatervibration,stabilityispoor.Therefore,thecoalroadwayexcavation,theneedtoincreasethebodyweightorsupporttheinstallationofauxiliaryequipment.Atpresent,suchaboringmachineinsomesectionsoftheuseofmoreboringmachine.2）Shipmentofbodies.Itgenerallyfromthemiddleloadingandconveyorcomponents.Theyweredrivenorfocusmaybelinked,eitherbyACmotordrive,canalsobeusedhydraulicmotordrive.Trailingclaw-istouseaturnmovestherakeclawstocontinuetorakematerialsandinareprintfromtransportoperators.Thisstructureissimple,reliable,smallform

factor,loadinggoodeffect,theapplicationiswidespread.However,suchinstitutionsloadingwidthrestricted（becauseboringmachinerunningtrackwhenagenciesgenerallydonotarouse）.Toexpandtheloadingwidth,willshoveltheentireharrowboard,togetherwiththeclawagenciesinthelevelofswing,ordesigndualrakeclaws,toexpandthescopeofloading.Institutionsthantherake-wheel-clawsimple,highintensity,reliable,butwithlessbulkmaterials.Loadingagencyprogrammeisnotonlytheinstallationoftheclaw-rake-wheelcanalsobeinstalled,thetwocanbeusedinterchangeably.Usually,thechoicerakeclaw-loaded,butconsideringloadingwidthoftheproblem,maychoosetodoublerakeclaws,canalsobedesignedtorakeclaw-roundinterchangeablewiththeloadingmechanism.Somesectionsboringmachineuseofscraperchainconveyoragencies.Transportationagenciesaregenerallyundertakenbythetailtothenosetiltedupwarddirectionofthelayout.Transportationagenciescanbethedriver,isabouttomotororhydraulicmotorandreducerlayoutinthescraperconveyorandaroundthesideofthefuselage,thebodyinthedriverloadingatthesametime,indirectly,totransportbodiestotaketheinitiativetothetailshaftdrivenscraperTransportationagencies.Thisdrivesystemcomponentsinsmall,relativelysimplebodies,butloadingandtransportationagenciesinvolvedinthetwocampaigns,mutualinfluence.Asthelocationlessspacelayoutmoredifficult.Transmissionorganizationstoadoptanindependentdriver,isabouttomotororhydraulicmotorlayoutawayfromthemachineside,drivenbyslowdeliveryagencies.Thismodeoftransmissiondrivelayoutsimple,andfillingthecampaignHubuyingxiang.However,duetotransmissionandmoredynamiccomponents,thepointoffailurehasincreased.Atpresent,thetwotransportationagenciesareused,asappropriate,thedesignshouldbeidentified.Generalloadingandinstitutionsoftenusethesamedrive.Loadingagenciescanusemotor-driven,canalsobeusedhydraulicmotordrive.However,inconsiderationoftheworkingenvironmentandwetwithmud,optionalhydraulicmotordriveforgood.3）Runinstitutions.Walkingagenciestrackedthegeneralpattern,crawler-runinstitutionsapplytothefloorisunevenorsoftconditions,noroadtracklaying.Tractionwithlargecapacity,goodmobility,reliability,flexibilityandmobilityontheflooradaptabilityoftheadvantagesofgood.Butitscomplexstructure,components

andwearmoreserious.Atpresentcross-sectionoftheboringmachineisusuallyusedcrawler-runinstitutions.Walkingagenciestrackedthegeneralpattern,thetwotrackedseparatelybytherespectivepowertodrive,toachieveinsitu.Caterpillaristhedrivingforceoftwomotorsandhydraulicmotors,motordriverisgenerallysetupawalkingspeed,hydraulicmotor-drivenlargelow-speedtorquemotorcanbedrivendirectlytrackedsprocket,orusedinthehydraulicmotorspeedReducerledthedrivesprockettrack,itcanachievePromisegovernor.Trackedstructureofaslidingandrollingtwo,whenthespeedmachinetomobilize≤10m/mininthelightRoadheader,shouldadoptthestructureofslidingwhenthemobilizationofspeedmachines>10m/minofheavy,severeRoadheadershouldbeusedRollingstructuraltype.4）Thehydraulicsystem.Hydraulicsystemsuseofopen-wayvalvesystemmorecentralizedcontrol（directorremotecontrolmanipulation）way.Domesticandforeignuseofthepast,gearpumps,hydraulicsysteminrecentyearsRoadheaderusedpistonpumphaveincreasedthetrend.5）Electroniccontrolsystem.Electroniccontrolsystems,includingsomepower,controlandinspectionofthepart.Electroniccontrolsystemmustbeinaccordancewiththerequirementsofcoalmineexplosion-proofdesign,manufacture,testing,GB3836-2000mustmeetthestandardsoftherelevantprovisionsandrequirements.InordertoimproveoperationsattheRoadheaderinthesecurity,operationalflexibilityandmechanicaltransmissionpartofthefaultdiagnosisandmonitoringfunctions,fromthepracticalpointofview,theinstallationofthenecessarymachinesfromaremotecontroldevice,monitoringpressure,temperature,levelandkeypartsthefaultdiagnosisdevice.

2.3Layout

Generallayoutofthecontentsincludethefollowing:

1）Identifythecomponentsincompletemachinesaidthelocation,shapeandsizeoftherequest;2）Toidentifytheparts,componentsandtheconnectionsbetweencompletemachine;3）estimatescompletemachineweightandtheweightofallcomponentsrequested;4）layoutofthemanipulationofinstitutions,thedriver'sseat;

5）examinationofmovingpartsofthemovementspace,ruleoutthepossibilityofinterferenceinthecampaign.

2.4specificrequirements

Boringmachineinthegenerallayout,theneedtopayattentiontothefollowingquestions:

1）institutionsintothereducerreducer,asfaraspossibletocoaxaxis;2）cantileverandspade-suitedtothesizeofrelations,notonlyconducivetoloading,toavoidcuttingthefirstshovelcuttingboard;3）thelevelofcantileverandverticalpositioncanswingthecentercoincidence,cannotoverlap.Fromtheincreasedstabilityofthemachine,thesearehighlyswingshouldbereduced.Inthecantileverisnotguaranteedtointerferewithotheragenciesundertheconditionsofswingcentresarelocat