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英文原文TheverticalBoomtypeRoadheaderdesign1IntroductionMechanicaldesignisintheprocessofproductdesignandanimportantpartofthemainlinks,itisfollowedinprogrammedesignafterthedesignwork.TheverticalBoomtyperoadheadertheroadheadertotheoveralldesignofthemeritsofcompletemachineplayadecisiverole,andthedecisionoftheassembly,thesystem,coordinationbetweenthevariouscomponentsoftheunityandmatch,toobtainthehighendperformanceandoverallbettereconomicefficiencytechnology.Roadheaderdesign,includingthefollowing1Accordingtodesignprojectdescriptionchoicetypeandvariouscellularconstructionpattern2Decidesthecompletemachinethemaintechnicalperformanceparameter,Includingsizeparameter,heavyparameter,theparameterofmovementandthetechnicaleconomyreferparameter,3Accordingtosystemdesignperformancerequirement,definitecompletemachinesystemcompositionandbetweenthemmatchaswellaseachpartmaintechnicalsenateparameter,4Thenecessarywhole,andthemappingoftransmission,hydraulic,electroniccontrolsystems,andotherplans.2theselectedmodelsandvariouscomponentsandstructuraltype,drive,andtheoveralllayoutofthereasonableIndeterminingthecontent,firsttaskshouldbedesignedtomeetthecontents,especiallytheusersofthemaindemandsoftheinvestigation,thetwosidesexchangedviewsrepeatedly,tosatisfybothusersorsuperiorconditions,canbettermeettheproductdevelopmentoftheoverallplan.2.1theselectedmodelsAccordingtoroadheaderuse,forthecoalminetunnelboringorusedforothersectorsoftheworks,roadheaderworkingconditionsforcuttingcoalroadwayorsemiCoalLane,thecompressivestrengthofcoalandrockonewayorthevalueofplattscoefficientfandtherockabrasionfactor.AtthesametimethecontrollineshouldbesuperscriptMT1381995cantileveredRoadheadertypesandparameters,accordingtocuttingcoalandrockthebiggestonewaycompressivestrength,thetypeofselectedmodels.2.2thestructureofthevariouscomponents,thewaythedriveridentifiedRoadheaderbycuttinggeneralagencies,shippingagencies,walking,hydraulicsystem,electroniccontrolsystemsandauxiliarydevicessuchasdustremovaldevices,securitydevices,remotemonitoringdevicesandothercomponents.1Cuttingagencies.CuttingthedrivefromACmotordriven,inthetransmissionsystemlocatedinthegeneralprofilecouplingwithnomechanicaloverloadprotectiondevice,thetwoplanetsreducerdrivenspindlefrontofthecuttinghead.Somesectionsoftheworkingbodiesboringmachinehascutchain,discmillingandcuttingsuchascantilever.Cantileverduetothecuttingboringmachinebodyflexible,relativelysmall,cancutavarietyofshapesandsectionsoftheroadway,andtoachieveselectivecutting,butcuttinggoodeffect,ahigherrateofboring,sonowusedmainlycantileverCuttingandhasbecomeboringmachineworkingbodyofabasicpattern.Bycuttingheadofthelayout,isdividedintohorizontalandverticalaxisofthetwo.ThelinecuttingheadoftheadvantagesareTransmissionconvenient,compactandcanbecuttoanyshapeoftheprofile,easyaccesstotheformationofacrosssectionandisconducivetoexpansionintheuseofcantilever,orditchdigging,inWaterloo.Cuttingheadtheshapeofacylindrical,coneandtheconeandcylindrical,asthelattertwocuttingheadtodrilling,andthecuttingsurfacethantheformation,useitmore.ThisistheworkoftheshortcomingsAsthelongitudinalaxisofcuttingheadinthehorizontalswingatthecuttingreactionforceisnotpassedmachinecentres,withcantileveredformoftorquetoboringmachinehaveagreatervibration,stabilityispoor.Therefore,thecoalroadwayexcavation,theneedtoincreasethebodyweightorsupporttheinstallationofauxiliaryequipment.Atpresent,suchaboringmachineinsomesectionsoftheuseofmoreboringmachine.2Shipmentofbodies.Itgenerallyfromthemiddleloadingandconveyorcomponents.Theyweredrivenorfocusmaybelinked,eitherbyACmotordrive,canalsobeusedhydraulicmotordrive.Trailingclawistouseaturnmovestherakeclawstocontinuetorakematerialsandinareprintfromtransportoperators.Thisstructureissimple,reliable,smallformfactor,loadinggoodeffect,theapplicationiswidespread.However,suchinstitutionsloadingwidthrestrictedbecauseboringmachinerunningtrackwhenagenciesgenerallydonotarouse.Toexpandtheloadingwidth,willshoveltheentireharrowboard,togetherwiththeclawagenciesinthelevelofswing,ordesigndualrakeclaws,toexpandthescopeofloading.Institutionsthantherakewheelclawsimple,highintensity,reliable,butwithlessbulkmaterials.Loadingagencyprogrammeisnotonlytheinstallationoftheclawrakewheelcanalsobeinstalled,thetwocanbeusedinterchangeably.Usually,thechoicerakeclawloaded,butconsideringloadingwidthoftheproblem,maychoosetodoublerakeclaws,canalsobedesignedtorakeclawroundinterchangeablewiththeloadingmechanism.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.Loadingagenciescanusemotordriven,canalsobeusedhydraulicmotordrive.However,inconsiderationoftheworkingenvironmentandwetwithmud,optionalhydraulicmotordriveforgood.3Runinstitutions.Walkingagenciestrackedthegeneralpattern,crawlerruninstitutionsapplytothefloorisunevenorsoftconditions,noroadtracklaying.Tractionwithlargecapacity,goodmobility,reliability,flexibilityandmobilityontheflooradaptabilityoftheadvantagesofgood.Butitscomplexstructure,componentsandwearmoreserious.Atpresentcrosssectionoftheboringmachineisusuallyusedcrawlerruninstitutions.Walkingagenciestrackedthegeneralpattern,thetwotrackedseparatelybytherespectivepowertodrive,toachieveinsitu.Caterpillaristhedrivingforceoftwomotorsandhydraulicmotors,motordriverisgenerallysetupawalkingspeed,hydraulicmotordrivenlargelowspeedtorquemotorcanbedrivendirectlytrackedsprocket,orusedinthehydraulicmotorspeedReducerledthedrivesprockettrack,itcanachievePromisegovernor.Trackedstructureofaslidingandrollingtwo,whenthespeedmachinetomobilize≤10m/mininthelightRoadheader,shouldadoptthestructureofslidingwhenthemobilizationofspeedmachines10m/minofheavy,severeRoadheadershouldbeusedRollingstructuraltype.4Thehydraulicsystem.Hydraulicsystemsuseofopenwayvalvesystemmorecentralizedcontroldirectorremotecontrolmanipulationway.Domesticandforeignuseofthepast,gearpumps,hydraulicsysteminrecentyearsRoadheaderusedpistonpumphaveincreasedthetrend.5Electroniccontrolsystem.Electroniccontrolsystems,includingsomepower,controlandinspectionofthepart.Electroniccontrolsystemmustbeinaccordancewiththerequirementsofcoalmineexplosionproofdesign,manufacture,testing,GB38362000mustmeetthestandardsoftherelevantprovisionsandrequirements.InordertoimproveoperationsattheRoadheaderinthesecurity,operationalflexibilityandmechanicaltransmissionpartofthefaultdiagnosisandmonitoringfunctions,fromthepracticalpointofview,theinstallationofthenecessarymachinesfromaremotecontroldevice,monitoringpressure,temperature,levelandkeypartsthefaultdiagnosisdevice.2.3LayoutGenerallayoutofthecontentsincludethefollowing1Identifythecomponentsincompletemachinesaidthelocation,shapeandsizeoftherequest2Toidentifytheparts,componentsandtheconnectionsbetweencompletemachine3estimatescompletemachineweightandtheweightofallcomponentsrequested4layoutofthemanipulationofinstitutions,thedriversseat5examinationofmovingpartsofthemovementspace,ruleoutthepossibilityofinterferenceinthecampaign.2.4specificrequirementsBoringmachineinthegenerallayout,theneedtopayattentiontothefollowingquestions1institutionsintothereducerreducer,asfaraspossibletocoaxaxis2cantileverandspadesuitedtothesizeofrelations,notonlyconducivetoloading,toavoidcuttingthefirstshovelcuttingboard3thelevelofcantileverandverticalpositioncanswingthecentercoincidence,cannotoverlap.Fromtheincreasedstabilityofthemachine,thesearehighlyswingshouldbereduced.Inthecantileverisnotguaranteedtointerferewithotheragenciesundertheconditionsofswingcentresarelocatedshouldtrytorelyon,butmustensurethatthemachinesinthecentreplaneofverticalsymmetry4Whenallthemajorcomponentsdesignedafter.Checkingshouldbecarriedout,doesnotmeetrequirementstobeadjustedjustsothatthefocusintrackandlessthantheformercenterShaopianL/6Lgroundingforthetracklength.Inaddition,thecenterofgravitypositioninthedemandforcuttingbodiesturretafterthecenterline,andYuediyuehaohighcenterofgravitytoenhancestabilitywhenoperatingmachinery.5theoveralllayoutshouldconsidertheweightofsymmetricalleftandrightandtakecareofworkhabitsandtofacilitatetheoperation.Generaldriverintheleftsideofthefuselageandthefuselageintherear,driverseatheightshouldensurethatthepeoplesattention,whatgoodcontroloftheirmachines,cuttingouttherulesoftheroadway6CaozongTaipositionshouldbeappropriate,shouldensurethatdriverseasymanipulation,andeffort.Instrumentsshowedthatthelocationdevicesfordriverstoobserve,notscatterednormaloperationofthedriversattention.2.5typesandpowertransmissioncomponentschoicetransmissionpatternsandcomponentsshouldfollowtheprincipleofchoice1theadvancednatureoftechnologymachinestoimproveperformance,increaseproductivity2economicrationalitydrivesystemassimpleaspossible,fewercomponentsandeasyprocessing,lowprice,easymaintenance,longlife3reliabilityoftheworkthetransmissionsystemreliabilityperformanceforthelifeofcomponents,aswellascomponentqualityrequirements4adaptationthedrivesystemcomponentsshouldbeadaptedtoload,workingconditionsandenvironmentalconditionsoftherequest.Agenciestothetransmissionsystemrequirementsandthechoiceoftransmissionpatterns.Boringmachinecutting,loading,transport,walkingandotherinstitutionsgenerallyarerespectivelytransmission,allpartsofthestateandsubjecttodifferentworkingconditions,thusdrivingpatternshavedifferentrequirements.1institutionsrequireagreatershorttermGuozainengli,motoroilisverysensitivetotheimpactload,theloadingcapacityoflowimpactcuttingheadfornormalfunctioning.Therefore,theboringmachineworkingbodyshouldadoptthemotordrivenmechanicaltransmissiontype.Shouldmakeuseofsmallsize,power,astrongcapacityforelectricmotors,andequippedwithreliableelectricalprotectiondevice.Accordingtothecompactbodyofworkfeatures,usuallyworkinthereducercantilever,anintegralpartofacantilever.Cuttingthefirstgovernorgeneralwaywitharoundpegforthemethodoftransmissionorganizationstosimple.2rakewithinstitutionstransmissiondeviceischaracterizedbyreducerbeinstalledinthelimitedsizeofthelowerpartoftheshovelplate,thusdesignasmallerspace,poorworkingconditions.Reduceroftensoakedinmuddycoalandrockinthecardswhenthematerialeasytooverload.Trailingequipment,transportationagenciestheuseofmechanicaltransmission,forthelargermotor,nottheendoftheconveyorinstallation,theshovelisgenerallyinstalledonbothsidesoftheboardtwomotor,witharake,acommonpowertransmissionorganizations,suchboundtomaketheSlowdownmethesizeoftheincreaseinthespadeundertheboardlayoutmoretense.Inaddition,considertheclawandrakeboardslinkedlinkedoverloadsituation,toprotectthemotordidnotburn,thegeneralneedsofinternalsecurityinreducerfrictionclutch.Trailingequipment,transportationagenciestheuseofmotoroiltransmissiongear,assmallsize,lightweight,willenablethetwoseparatedrive,thussimplifyingtransmissiondevice,forthespadeundertheboardlayout,designedforgoodresultssealedmechanicalsealorreducerAndshovelplateseparation,whileachievingautomaticoverloadprotection.3walkthetrackdrivenapproachandamotordrivenmotoroilintwoways.Respectively,throughmechanicaldevicesordirectlyfromtheslowdowninmotoroilledtheinitiativesprocketrunningtrack.Mechanicaltransmissionofthewalkingtrack,withGeneralMotorswillbetrackedintworeducerrear,thebrakehydraulicbrakingbymechanicalmeansway.Thistransmissionmodedrivehighreliabilityandlowpricesofmotor,easymaintenance,butnotspeed,slowmelarger,LinShuimajorroadway,themotoreasilyexposedtomoistureandburned.Trackedwalktoadopthydraulictransmissionpatterns,simplesystem,betterperformanceandadvancedtechnology.Hydraulictransmissionofthewalkingmechanism,intheformchoiceandhydraulicmotorspeedcontrolmodedesign,therearedifferentoptions.Theuseoflowspeedtorquemotordriven,characterizedbythesystemsimple,smallsize,lightweight,toachievesteplessspeedregulationandautomaticoverloadprotection.However,hydraulicmotordrivecomplex,thehighcostofmanufacturing,maintenancemoredifficult.Gearusedmotoroil,thevolumeofhighefficiency,performanceandimpactresistant,easymaintenance,lowcost,a10KWaroundthemotorgearoilpricesonlywiththepoweroftheradialSemaDa1/10smallsize,lightweight.A10KWgeararoundtheweightofmotoroil,withtheonlymajorpowerlowspeedtorquemotorof1/18,theweightofthemotor1/13.Gearusedmotoroil,althoughlowerspeedreducersizelargetorquemotor,butasmallelectricMRHS5013typeplanereducertransmissionratioi328.Socaneasilybemotors,reducers,hydraulicZhidongFa,tightchaindevicesinstalledinthemiddletracked.Inthiswaythanonthetechnicalperformanceofmechanicaltransmission,theeconomicindicatorsbetterthanthelowspeedtorquemotordrive.Sohasauniqueadvantage.Thewalkingspeedintwowaysoneisavariablepump.Theotheristheuseordiversionoftheflowandspeedcontrolprogrammes,suchastheMRHS5013typeaircraft,thatis,intherapidmobilizationofmachinery,tostopcarryingmotoroil,onlytorunmotoroilsothattheboringmachinehastwoWalkingspeed.3determinationcompletemachinemaintechnologysenateparameter
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