掘进机机械类外文文献翻译、中英文翻译

掘进机机械类外文文献翻译、中英文翻译外文原文THEVERTICALBOOMTYPEROADHEADERDESIGN1INTRODUCTIONMECHANICALDESIGNISINTHEPROCESSOFPRODUCTDESIGNANDANIMPORTANTPARTOFTHEMAINLINKS,ITISFOLLOWEDINPROGRAMMEDESIGNAFTERTHEDESIGNWORKTHEVERTICALBOOMTYPEROADHEADERTHEROADHEADERTOTHEOVERALLDESIGNOFTHEMERITSOFCOMPLETEMACHINEPLAYADECISIVEROLE,ANDTHEDECISIONOFTHEASSEMBLY,THESYSTEM,COORDINATIONBETWEENTHEVARIOUSCOMPONENTSOFTHEUNITYANDMATCH,TOOBTAINTHEHIGHENDPERFORMANCEANDOVERALLBETTERECONOMICEFFICIENCYTECHNOLOGYROADHEADERDESIGN,INCLUDINGTHEFOLLOWING1ACCORDINGTODESIGNPROJECTDESCRIPTIONCHOICETYPEANDVARIOUSCELLULARCONSTRUCTIONPATTERN2DECIDESTHECOMPLETEMACHINETHEMAINTECHNICALPERFORMANCEPARAMETER,INCLUDINGSIZEPARAMETER,HEAVYPARAMETER,THEPARAMETEROFMOVEMENTANDTHETECHNICALECONOMYREFERPARAMETER,3ACCORDINGTOSYSTEMDESIGNPERFORMANCEREQUIREMENT,DEFINITECOMPLETEMACHINESYSTEMCOMPOSITIONANDBETWEENTHEMMATCHASWELLASEACHPARTMAINTECHNICALSENATEPARAMETER,4THENECESSARYWHOLE,ANDTHEMAPPINGOFTRANSMISSION,HYDRAULIC,ELECTRONICCONTROLSYSTEMS,ANDOTHERPLANS2THESELECTEDMODELSANDVARIOUSCOMPONENTSANDSTRUCTURALTYPE,DRIVE,ANDTHEOVERALLLAYOUTOFTHEREASONABLEINDETERMININGTHECONTENT,FIRSTTASKSHOULDBEDESIGNEDTOMEETTHECONTENTS,ESPECIALLYTHEUSERSOFTHEMAINDEMANDSOFTHEINVESTIGATION,THETWOSIDESEXCHANGEDVIEWSREPEATEDLY,TOSATISFYBOTHUSERSORSUPERIORCONDITIONS,CANBETTERMEETTHEPRODUCTDEVELOPMENTOFTHEOVERALLPLAN21THESELECTEDMODELSACCORDINGTOROADHEADERUSE,FORTHECOALMINETUNNELBORINGORUSEDFOROTHERSECTORSOFTHEWORKS,ROADHEADERWORKINGCONDITIONSFORCUTTINGCOALROADWAYORSEMICOALLANE,THECOMPRESSIVESTRENGTHOFCOALANDROCKONEWAYORTHEVALUEOFPLATTSCOEFFICIENTFANDTHEROCKABRASIONFACTORATTHESAMETIMETHECONTROLLINESHOULDBESUPERSCRIPTMT1381995“CANTILEVEREDROADHEADERTYPESANDPARAMETERS“,ACCORDINGTOCUTTINGCOALANDROCKTHEBIGGESTONEWAYCOMPRESSIVESTRENGTH,THETYPEOFSELECTEDMODELS22THESTRUCTUREOFTHEVARIOUSCOMPONENTS,THEWAYTHEDRIVERIDENTIFIEDROADHEADERBYCUTTINGGENERALAGENCIES,SHIPPINGAGENCIES,WALKING,HYDRAULICSYSTEM,ELECTRONICCONTROLSYSTEMSANDAUXILIARYDEVICESSUCHASDUSTREMOVALDEVICES,SECURITYDEVICES,REMOTEMONITORINGDEVICESANDOTHERCOMPONENTS1CUTTINGAGENCIESCUTTINGTHEDRIVEFROMACMOTORDRIVEN,INTHETRANSMISSIONSYSTEMLOCATEDINTHEGENERALPROFILECOUPLINGWITHNOMECHANICALOVERLOADPROTECTIONDEVICE,THETWOPLANETSREDUCERDRIVENSPINDLEFRONTOFTHECUTTINGHEADSOMESECTIONSOFTHEWORKINGBODIESBORINGMACHINEHASCUTCHAIN,DISCMILLINGANDCUTTINGSUCHASCANTILEVERCANTILEVERDUETOTHECUTTINGBORINGMACHINEBODYFLEXIBLE,RELATIVELYSMALL,CANCUTAVARIETYOFSHAPESANDSECTIONSOFTHEROADWAY,ANDTOACHIEVESELECTIVECUTTING,BUTCUTTINGGOODEFFECT,AHIGHERRATEOFBORING,SONOWUSEDMAINLYCANTILEVERCUTTINGANDHASBECOMEBORINGMACHINEWORKINGBODYOFABASICPATTERNBYCUTTINGHEADOFTHELAYOUT,ISDIVIDEDINTOHORIZONTALANDVERTICALAXISOFTHETWOTHELINECUTTINGHEADOFTHEADVANTAGESARETRANSMISSIONCONVENIENT,COMPACTANDCANBECUTTOANYSHAPEOFTHEPROFILE,EASYACCESSTOTHEFORMATIONOFACROSSSECTIONANDISCONDUCIVETOEXPANSIONINTHEUSEOFCANTILEVER,ORDITCHDIGGING,INWATERLOOCUTTINGHEADTHESHAPEOFACYLINDRICAL,CONEANDTHECONEANDCYLINDRICAL,ASTHELATTERTWOCUTTINGHEADTODRILLING,ANDTHECUTTINGSURFACETHANTHEFORMATION,USEITMORETHISISTHEWORKOFTHESHORTCOMINGSASTHELONGITUDINALAXISOFCUTTINGHEADINTHEHORIZONTALSWINGATTHECUTTINGREACTIONFORCEISNOTPASSEDMACHINECENTRES,WITHCANTILEVEREDFORMOFTORQUETOBORINGMACHINEHAVEAGREATERVIBRATION,STABILITYISPOORTHEREFORE,THECOALROADWAYEXCAVATION,THENEEDTOINCREASETHEBODYWEIGHTORSUPPORTTHEINSTALLATIONOFAUXILIARYEQUIPMENTATPRESENT,SUCHABORINGMACHINEINSOMESECTIONSOFTHEUSEOFMOREBORINGMACHINE2SHIPMENTOFBODIESITGENERALLYFROMTHEMIDDLELOADINGANDCONVEYORCOMPONENTSTHEYWEREDRIVENORFOCUSMAYBELINKED,EITHERBYACMOTORDRIVE,CANALSOBEUSEDHYDRAULICMOTORDRIVETRAILINGCLAWISTOUSEATURNMOVESTHERAKECLAWSTOCONTINUETORAKEMATERIALSANDINAREPRINTFROMTRANSPORTOPERATORSTHISSTRUCTUREISSIMPLE,RELIABLE,SMALLFORMFACTOR,LOADINGGOODEFFECT,THEAPPLICATIONISWIDESPREADHOWEVER,SUCHINSTITUTIONSLOADINGWIDTHRESTRICTEDBECAUSEBORINGMACHINERUNNINGTRACKWHENAGENCIESGENERALLYDONOTAROUSETOEXPANDTHELOADINGWIDTH,WILLSHOVELTHEENTIREHARROWBOARD,TOGETHERWITHTHECLAWAGENCIESINTHELEVELOFSWING,ORDESIGNDUALRAKECLAWS,TOEXPANDTHESCOPEOFLOADINGINSTITUTIONSTHANTHERAKEWHEELCLAWSIMPLE,HIGHINTENSITY,RELIABLE,BUTWITHLESSBULKMATERIALSLOADINGAGENCYPROGRAMMEISNOTONLYTHEINSTALLATIONOFTHECLAWRAKEWHEELCANALSOBEINSTALLED,THETWOCANBEUSEDINTERCHANGEABLYUSUALLY,THECHOICERAKECLAWLOADED,BUTCONSIDERINGLOADINGWIDTHOFTHEPROBLEM,MAYCHOOSETODOUBLERAKECLAWS,CANALSOBEDESIGNEDTORAKECLAWROUNDINTERCHANGEABLEWITHTHELOADINGMECHANISMSOMESECTIONSBORINGMACHINEUSEOFSCRAPERCHAINCONVEYORAGENCIESTRANSPORTATIONAGENCIESAREGENERALLYUNDERTAKENBYTHETAILTOTHENOSETILTEDUPWARDDIRECTIONOFTHELAYOUTTRANSPORTATIONAGENCIESCANBETHEDRIVER,ISABOUTTOMOTORORHYDRAULICMOTORANDREDUCERLAYOUTINTHESCRAPERCONVEYORANDAROUNDTHESIDEOFTHEFUSELAGE,THEBODYINTHEDRIVERLOADINGATTHESAMETIME,INDIRECTLY,TOTRANSPORTBODIESTOTAKETHEINITIATIVETOTHETAILSHAFTDRIVENSCRAPERTRANSPORTATIONAGENCIESTHISDRIVESYSTEMCOMPONENTSINSMALL,RELATIVELYSIMPLEBODIES,BUTLOADINGANDTRANSPORTATIONAGENCIESINVOLVEDINTHETWOCAMPAIGNS,MUTUALINFLUENCEASTHELOCATIONLESSSPACELAYOUTMOREDIFFICULTTRANSMISSIONORGANIZATIONSTOADOPTANINDEPENDENTDRIVER,ISABOUTTOMOTORORHYDRAULICMOTORLAYOUTAWAYFROMTHEMACHINESIDE,DRIVENBYSLOWDELIVERYAGENCIESTHISMODEOFTRANSMISSIONDRIVELAYOUTSIMPLE,ANDFILLINGTHECAMPAIGNHUBUYINGXIANGHOWEVER,DUETOTRANSMISSIONANDMOREDYNAMICCOMPONENTS,THEPOINTOFFAILUREHASINCREASEDATPRESENT,THETWOTRANSPORTATIONAGENCIESAREUSED,ASAPPROPRIATE,THEDESIGNSHOULDBEIDENTIFIEDGENERALLOADINGANDINSTITUTIONSOFTENUSETHESAMEDRIVELOADINGAGENCIESCANUSEMOTORDRIVEN,CANALSOBEUSEDHYDRAULICMOTORDRIVEHOWEVER,INCONSIDERATIONOFTHEWORKINGENVIRONMENTANDWETWITHMUD,OPTIONALHYDRAULICMOTORDRIVEFORGOOD3RUNINSTITUTIONSWALKINGAGENCIESTRACKEDTHEGENERALPATTERN,CRAWLERRUNINSTITUTIONSAPPLYTOTHEFLOORISUNEVENORSOFTCONDITIONS,NOROADTRACKLAYINGTRACTIONWITHLARGECAPACITY,GOODMOBILITY,RELIABILITY,FLEXIBILITYANDMOBILITYONTHEFLOORADAPTABILITYOFTHEADVANTAGESOFGOODBUTITSCOMPLEXSTRUCTURE,COMPONENTSANDWEARMORESERIOUSATPRESENTCROSSSECTIONOFTHEBORINGMACHINEISUSUALLYUSEDCRAWLERRUNINSTITUTIONSWALKINGAGENCIESTRACKEDTHEGENERALPATTERN,THETWOTRACKEDSEPARATELYBYTHERESPECTIVEPOWERTODRIVE,TOACHIEVEINSITUCATERPILLARISTHEDRIVINGFORCEOFTWOMOTORSANDHYDRAULICMOTORS,MOTORDRIVERISGENERALLYSETUPAWALKINGSPEED,HYDRAULICMOTORDRIVENLARGELOWSPEEDTORQUEMOTORCANBEDRIVENDIRECTLYTRACKEDSPROCKET,ORUSEDINTHEHYDRAULICMOTORSPEEDREDUCERLEDTHEDRIVESPROCKETTRACK,ITCANACHIEVEPROMISEGOVERNORTRACKEDSTRUCTUREOFASLIDINGANDROLLINGTWO,WHENTHESPEEDMACHINETOMOBILIZE10M/MININTHELIGHTROADHEADER,SHOULDADOPTTHESTRUCTUREOFSLIDINGWHENTHEMOBILIZATIONOFSPEEDMACHINES10M/MINOFHEAVY,SEVEREROADHEADERSHOULDBEUSEDROLLINGSTRUCTURALTYPE4THEHYDRAULICSYSTEMHYDRAULICSYSTEMSUSEOFOPENWAYVALVESYSTEMMORECENTRALIZEDCONTROLDIRECTORREMOTECONTROLMANIPULATIONWAYDOMESTICANDFOREIGNUSEOFTHEPAST,GEARPUMPS,HYDRAULICSYSTEMINRECENTYEARSROADHEADERUSEDPISTONPUMPHAVEINCREASEDTHETREND5ELECTRONICCONTROLSYSTEMELECTRONICCONTROLSYSTEMS,INCLUDINGSOMEPOWER,CONTROLANDINSPECTIONOFTHEPARTELECTRONICCONTROLSYSTEMMUSTBEINACCORDANCEWITHTHEREQUIREMENTSOFCOALMINEEXPLOSIONPROOFDESIGN,MANUFACTURE,TESTING,GB38362000MUSTMEETTHESTANDARDSOFTHERELEVANTPROVISIONSANDREQUIREMENTSINORDERTOIMPROVEOPERATIONSATTHEROADHEADERINTHESECURITY,OPERATIONALFLEXIBILITYANDMECHANICALTRANSMISSIONPARTOFTHEFAULTDIAGNOSISANDMONITORINGFUNCTIONS,FROMTHEPRACTICALPOINTOFVIEW,THEINSTALLATIONOFTHENECESSARYMACHINESFROMAREMOTECONTROLDEVICE,MONITORINGPRESSURE,TEMPERATURE,LEVELANDKEYPARTSTHEFAULTDIAGNOSISDEVICE23LAYOUTGENERALLAYOUTOFTHECONTENTSINCLUDETHEFOLLOWING1IDENTIFYTHECOMPONENTSINCOMPLETEMACHINESAIDTHELOCATION,SHAPEANDSIZEOFTHEREQUEST2TOIDENTIFYTHEPARTS,COMPONENTSANDTHECONNECTIONSBETWEENCOMPLETEMACHINE3ESTIMATESCOMPLETEMACHINEWEIGHTANDTHEWEIGHTOFALLCOMPONENTSREQUESTED4LAYOUTOFTHEMANIPULATIONOFINSTITUTIONS,THEDRIVERSSEAT5EXAMINATIONOFMOVINGPARTSOFTHEMOVEMENTSPACE,RULEOUTTHEPOSSIBILITYOFINTERFERENCEINTHECAMPAIGN24SPECIFICREQUIREMENTSBORINGMACHINEINTHEGENERALLAYOUT,THENEEDTOPAYATTENTIONTOTHEFOLLOWINGQUESTIONS1INSTITUTIONSINTOTHEREDUCERREDUCER,ASFARASPOSSIBLETOCOAXAXIS2CANTILEVERANDSPADESUITEDTOTHESIZEOFRELATIONS,NOTONLYCONDUCIVETOLOADING,TOAVOIDCUTTINGTHEFIRSTSHOVELCUTTINGBOARD3THELEVELOFCANTILEVERANDVERTICALPOSITIONCANSWINGTHECENTERCOINCIDENCE,CANNOTOVERLAPFROMTHEINCREASEDSTABILITYOFTHEMACHINE,THESEAREHIGHLYSWINGSHOULDBEREDUCEDINTHECANTILEVERISNOTGUARANTEEDTOINTERFEREWITHOTHERAGENCIESUNDERTHECONDITIONSOFSWINGCENTRESARELOCATEDSHOULDTRYTORELYON,BUTMUSTENSURETHATTHEMACHINESINTHECENTREPLANEOFVERTICALSYMMETRY4WHENALLTHEMAJORCOMPONENTSDESIGNEDAFTERCHECKINGSHOULDBECARRIEDOUT,DOESNOTMEETREQUIREMENTSTOBEADJUSTEDJUSTSOTHATTHEFOCUSINTRACKANDLESSTHANTHEFORMERCENTERSHAOPIANL/6LGROUNDINGFORTHETRACKLENGTHINADDITION,THECENTEROFGRAVITYPOSITIONINTHEDEMANDFORCUTTINGBODIESTURRETAFTERTHECENTERLINE,ANDYUEDIYUEHAOHIGHCENTEROFGRAVITYTOENHANCESTABILITYWHENOPERATINGMACHINERY5THEOVERALLLAYOUTSHOULDCONSIDERTHEWEIGHTOFSYMMETRICALLEFTANDRIGHTANDTAKECAREOFWORKHABITSANDTOFACILITATETHEOPERATIONGENERALDRIVERINTHELEFTSIDEOFTHEFUSELAGEANDTHEFUSELAGEINTHEREAR,DRIVERSEATHEIGHTSHOULDENSURETHATTHEPEOPLESATTENTION,WHATGOODCONTROLOFTHEIRMACHINES,CUTTINGOUTTHERULESOFTHEROADWAY6CAOZONGTAIPOSITIONSHOULDBEAPPROPRIATE,SHOULDENSURETHATDRIVERSEASYMANIPULATION,ANDEFFORTINSTRUMENTSSHOWEDTHATTHELOCATIONDEVICESFORDRIVERSTOOBSERVE,NOTSCATTEREDNORMALOPERATIONOFTHEDRIVERSATTENTION25TYPESANDPOWERTRANSMISSIONCOMPONENTSCHOICETRANSMISSIONPATTERNSANDCOMPONENTSSHOULDFOLLOWTHEPRINCIPLEOFCHOICE1THEADVANCEDNATUREOFTECHNOLOGYMACHINESTOIMPROVEPERFORMANCE,INCREASEPRODUCTIVITY2ECONOMICRATIONALITYDRIVESYSTEMASSIMPLEASPOSSIBLE,FEWERCOMPONENTSANDEASYPROCESSING,LOWPRICE,EASYMAINTENANCE,LONGLIFE3RELIABILITYOFTHEWORKTHETRANSMISSIONSYSTEMRELIABILITYPERFORMANCEFORTHELIFEOFCOMPONENTS,ASWELLASCOMPONENTQUALITYREQUIREMENTS4ADAPTATIONTHEDRIVESYSTEMCOMPONENTSSHOULDBEADAPTEDTOLOAD,WORKINGCONDITIONSANDENVIRONMENTALCONDITIONSOFTHEREQUESTAGENCIESTOTHETRANSMISSIONSYSTEMREQUIREMENTSANDTHECHOICEOFTRANSMISSIONPATTERNSBORINGMACHINECUTTING,LOADING,TRANSPORT,WALKINGANDOTHERINSTITUTIONSGENERALLYARERESPECTIVELYTRANSMISSION,ALLPARTSOFTHESTATEANDSUBJECTTODIFFERENTWORKINGCONDITIONS,THUSDRIVINGPATTERNSHAVEDIFFERENTREQUIREMENTS1INSTITUTIONSREQUIREAGREATERSHORTTERMGUOZAINENGLI,MOTOROILISVERYSENSITIVETOTHEIMPACTLOAD,THELOADINGCAPACITYOFLOWIMPACTCUTTINGHEADFORNORMALFUNCTIONINGTHEREFORE,THEBORINGMACHINEWORKINGBODYSHOULDADOPTTHEMOTORDRIVENMECHANICALTRANSMISSIONTYPESHOULDMAKEUSEOFSMALLSIZE,POWER,ASTRONGCAPACITYFORELECTRICMOTORS,ANDEQUIPPEDWITHRELIABLEELECTRICALPROTECTIONDEVICEACCORDINGTOTHECOMPACTBODYOFWORKFEATURES,USUALLYWORKINTHEREDUCERCANTILEVER,ANINTEGRALPARTOFACANTILEVERCUTTINGTHEFIRSTGOVERNORGENERALWAYWITHAROUNDPEGFORTHEMETHODOFTRANSMISSIONORGANIZATIONSTOSIMPLE2RAKEWITHINSTITUTIONSTRANSMISSIONDEVICEISCHARACTERIZEDBYREDUCERBEINSTALLEDINTHELIMITEDSIZEOFTHELOWERPARTOFTHESHOVELPLATE,THUSDESIGNASMALLERSPACE,POORWORKINGCONDITIONSREDUCEROFTENSOAKEDINMUDDYCOALANDROCKINTHECARDSWHENTHEMATERIALEASYTOOVERLOADTRAILINGEQUIPMENT,TRANSPORTATIONAGENCIESTHEUSEOFMECHANICALTRANSMISSION,FORTHELARGERMOTOR,NOTTHEENDOFTHECONVEYORINSTALLATION,THESHOVELISGENERALLYINSTALLEDONBOTHSIDESOFTHEBOARDTWOMOTOR,WITHARAKE,ACOMMONPOWERTRANSMISSIONORGANIZATIONS,SUCHBOUNDTOMAKETHESLOWDOWNMETHESIZEOFTHEINCREASEINTHESPADEUNDERTHEBOARDLAYOUTMORETENSEINADDITION,CONSIDERTHECLAWANDRAKEBOARDSLINKEDLINKEDOVERLOADSITUATION,TOPROTECTTHEMOTORDIDNOTBURN,THEGENERALNEEDSOFINTERNALSECURITYINREDUCERFRICTIONCLUTCHTRAILINGEQUIPMENT,TRANSPORTATIONAGENCIESTHEUSEOFMOTOROILTRANSMISSIONGEAR,ASSMALLSIZE,LIGHTWEIGHT,WILLENABLETHETWOSEPARATEDRIVE,THUSSIMPLIFYINGTRANSMISSIONDEVICE,FORTHESPADEUNDERTHEBOARDLAYOUT,DESIGNEDFORGOODRESULTSSEALEDMECHANICALSEALORREDUCERANDSHOVELPLATESEPARATION,WHILEACHIEVINGAUTOMATICOVERLOADPROTECTION3WALKTHETRACKDRIVENAPPROACHANDAMOTORDRIVENMOTOROILINTWOWAYSRESPECTIVELY,THROUGHMECHANICALDEVICESORDIRECTLYFROMTHESLOWDOWNINMOTOROILLEDTHEINITIATIVESPROCKETRUNNINGTRACKMECHANICALTRANSMISSIONOFTHEWALKINGTRACK,WITHGENERALMOTORSWILLBETRACKEDINTWOREDUCERREAR,THEBRAKEHYDRAULICBRAKINGBYMECHANICALMEANSWAYTHISTRANSMISSIONMODEDRIVEHIGHRELIABILITYANDLOWPRICESOFMOTOR,EASYMAINTENANCE,BUTNOTSPEED,SLOWMELARGER,LINSHUIMAJORROADWAY,THEMOTOREASILYEXPOSEDTOMOISTUREANDBURNEDTRACKEDWALKTOADOPTHYDRAULICTRANSMISSIONPATTERNS,SIMPLESYSTEM,BETTERPERFORMANCEANDADVANCEDTECHNOLOGYHYDRAULICTRANSMISSIONOFTHEWALKINGMECHANISM,INTHEFORMCHOICEANDHYDRAULICMOTORSPEEDCONTROLMODEDESIGN,THEREAREDIFFERENTOPTIONSTHEUSEOFLOWSPEEDTORQUEMOTORDRIVEN,CHARACTERIZEDBYTHESYSTEMSIMPLE,SMALLSIZE,LIGHTWEIGHT,TOACHIEVESTEPLESSSPEEDREGULATIONANDAUTOMATICOVERLOADPROTECTIONHOWEVER,HYDRAULICMOTORDRIVECOMPLEX,THEHIGHCOSTOFMANUFACTURING,MAINTENANCEMOREDIFFICULTGEARUSEDMOTOROIL,THEVOLUMEOFHIGHEFFICIENCY,PERFORMANCEANDIMPACTRESISTANT,EASYMAINTENANCE,LOWCOST,A10KWAROUNDTHEMOTORGEAROILPRICESONLYWITHTHEPOWEROFTHERADIALSEMADA1/10SMALLSIZE,LIGHTWEIGHTA10KWGEARAROUNDTHEWEIGHTOFMOTOROIL,WITHTHEONLYMAJORPOWERLOWSPEEDTORQUEMOTOROF1/18,THEWEIGHTOFTHEMOTOR1/13GEARUSEDMOTOROIL,ALTHOUGHLOWERSPEEDREDUCERSIZELARGETORQUEMOTOR,BUTASMALLELECTRICMRHS5013TYPEPLANEREDUCERTRANSMISSIONRATIOI328SOCANEASILYBEMOTORS,REDUCERS,HYDRAULICZHIDONGFA,TIGHTCHAINDEVICESINSTALLEDINTHEMIDDLETRACKEDINTHISWAYTHANONTHETECHNICALPERFORMANCEOFMECHANICALTRANSMISSION,THEECONOMICINDICATORSBETTERTHANTHELOWSPEEDTORQUEMOTORDRIVESOHASAUNIQUEADVANTAGETHEWALKINGSPEEDINTWOWAYSONEISAVARIABLEPUMPTHEOTHERISTHEUSEORDIVERSIONOFTHEFLOWANDSPEEDCONTROLPROGRAMMES,SUCHASTHEMRHS5013TYPEAIRCRAFT,THATIS,INTHERAPIDMOBILIZATIONOFMACHINERY,TOSTOPCARRYINGMOTOROIL,ONLYTORUNMOTOROILSOTHATTHEBORINGMACHINEHASTWOWALKINGSPEED3DETERMINATIONCOMPLETEMACHINEMAINTECHNOLOGYSENATEPARAMETERMECHANICALROADHEADERCOMPLETEMACHINEMAINTECHNICALPARAMETERINCLUDINGSIZESENATEPARAMETERLENGTHWIDTHHIGHLYWEIGHTPARAMETER,PARAMETEROFMOVEMENTANDDYNAMICPARAMETER31SIZEPARAMETERSCOMPLETEMACHINELENGTH,WIDTHOFTHESIZEDIRECTLYRELATEDTOITSTURNINGRADIUS,RECOMMENDEDLIGHTLENGTH75M,MEDIUMLENGTH85M,HEAVYMACHINEL0M,THECORRESPONDINGWIDTHWERE16M,25M,3MTHECOMPLETEMACHINERELATESITSTENDENCY,THESTATICSTABILITYHIGHLYDIRECTLY,THEADAPTATIONSCOPEANDPASSESQUALITY,THEREFORELOWERBETTERTHECURRENTDEVELOPMENTTRENDOFCHINESEANDFOREIGNMODELSISTHEDWARFMODELS,MEDIUMANDHEAVYHIGH162M,SPECIALLIGHT,LIGHTMACHINETHEHEIGHTOF1416MROADHEADERTODIGTHEBIGGESTSECTIONOFROADWAY,THEMINIMUMHEIGHTANDWIDTHSHOULDBEDESIGNEDTOMEETTHEREQUIREMENTSOFTHEMISSIONUNDERCOVERDEPTHOF250400MM,GROUNDCLEARANCECB/1384MM,BFORTHETWOTRACKDISTANCEMIDDLELONGCONVEYORENTRANCETOTHEEXPECTEDHIGHDEGREEOFTHEBEST400MM,LENGTHOFTRACKGROUNDWITHTHECENTERDISTANCELBRATIOFORL/B1632WEIGHTPARAMETERSTHECOMPLETEMACHINEDEADWEIGHTISTHEMECHANICALROADHEADERANIMPORTANTPARAMETER,THEENGINEWEIGHTTOOISLIGHT,THEWORKSTABILITYDROPS,WHENSWINGINGCUTTINGCANOCCURFISHTAILSTHEPHENOMENON,THECUTTINGEFFICIENCYDROPS,TRUNCATIONTOOTHRATEOFWEARINCREASEHEAVYWEIGHT,POORMOBILITY,FLEXIBILITYTODECLINETHESELFRESPECTASITMAYBEWTESTIMATES,INTHENTYPEBODYFORCUTTINGPOWER,KWVFORTHECUTTINGHEADONAVERAGECUTTINGSPEED,M/SCANALSOBEROADHEADERWITHREFERENCETOTHEEXISTINGANALOGMETHODTODETERMINE,MACHINETANDCUTTINGPOWERKWRATIOOF025TO04FORGENERALCOAL,ROCKBOTTOM,THEALLOWABLEVALUE014MPAMUDDYFORTHEWATERTOSOFTENTHESHALEBOTTOM,005MPA33MOVEMENTPARAMETERSCUTTINGTHEMOVEMENTPARAMETERSCUTTINGHEADOFTHEAVERAGECUTTINGSPEEDVONTHEONEWAYCOALANDROCKCOMPRESSIVESTRENGTHOFC40MPA,V335M/SC60MPA,V225M/S,C60MPAVL2M/SBUTEVENTUALLYCUTTINGSPEEDBYCUTTINGTECHNOLOGYTODETERMINE34DYNAMICPARAMETERSROADHEADERDRIVENPOWERSOURCESAREUSEDMOTORSCUTTINGPOWERBODYSIZEINFACTTHEGENERALUSEOFANALOGY,COMBINEDWITHROADHEADERSOMEPERSONALITYANDEXPERIENCEFACTORSTODETERMINEROADHEADERINTHEOPERATINGPROCESS,THEVERTICALAXISANDTHEHORIZONTALAXISOFTHENEEDFORADEQUATECUTTINGEDGEANDPUSHFORWARDSWINGHORIZONTALANDVERTICALFORCEACCORDINGTORUSSIATHEFORMERSOVIETUNIONINTHELABORATORYTESTRESULTSTHATTHECUTTINGOFCOALANDROCKPLATTSHARDNESSF46EQUIVALENTTO0C4060MPA,GRINDINGCOEFFICIENTF57MG/MM2CUTTINGTHESHAKINGFORCETRACTIONPV1134P,PM/RCP,INTHEPCUTTINGHEADFORTHEAVERAGECUTTINGEDGERCPCUTTINGHEADFORTHEAVERAGERADIUSMFORCUTTINGTHEHEADOFTHERATEDTORQUECUTTHEFEEDINGOFAXIALTHRUSTR1825PV,THISFORCESHOULDBENOLARGERTHANTHEFLOORSLIPPERYTRACKATTHELIMITSOFTRACTION35TECHNICALANDECONOMICINDICATORSQM3/MIN,INTHESXCUTTINGHEADFORTHEVERTICALCROSSSECTIONALAREA,M2VNFORTHECUTTINGHEADOFCUTTINGSWINGSPEED,M/MINROADHEADERDESIGNEDLIFE,INTHEINTERNATIONALADVANCEDPRODUCTSUPTO3TO5YEARS,DURINGWHICHTHENEEDOFMAJORREPAIRORWELLS,THEGENERALDOMESTICPRODUCTFOR1TO2YEARS4INACCORDANCEWITHDESIGNREQUIREMENTSDETERMINETHEPARAMETERSOFTHEMAINCOMPONENTSANDTHEIRRELATIONSHIPBETWEENTHECONNECTOR41CUTTINGAGENCIESANDTECHNICALPARAMETERSOFTHEESTABLISHEDLINKBETWEEN1CUTTINGAGENCYTECHNICALPARAMETERSOFCUTTINGTHEHEADWITHTHEGENERALPICKFORTHEDOUBLEHEADEDORTHREESPIRALLAYOUTCUTTINGHEADSPEEDN2065R/MIN,ASHARPPICKCUTTINGTHEAVERAGESPEEDV1525M/S,CUTTINGSWINGSPEEDVN08L0M/SCUTOFFLINEFROMT2050MM,WHENCUTTINGCOALFROMTHEVALUEOFALLTIMEFORSMALLVALUEAVERAGESINGLEPOLE/DOUBLETHROWFORCESHOULDREACHF4GRADECOALANDROCKF2500N,F6GRADECOALANDROCKF5000N,F8GRADECOALANDROCKF12000N,PICKTHEBESTANGLEFORTHEINSTALLATIONOF45482CUTTINGTHELINKCUTTINGAGENCIESCANTILEVERCHAXINGINSTALLEDINFRONTOFTHEFIXEDCHAXINGROTARYTABLE,THETURRETTOTHERACKACCORDINGTOCUTTINGAGENCIESINTHECOURSEOFOPERATINGTHEFORCEANDTORQUE,THEAPPLICATIONOFMT4751996“CANTILEVEREDROADHEADERROTARYBEARINGTYPE,THEBASICPARAMETERSANDTECHNICALREQUIREMENTS“SELECTEDROTARYBEARINGTHESTRUCTURALTYPE,DETERMINEDBYCALCULATINGSLEWINGRINGSIZESPECIFICATIONSIFTHEUSERDOESNOTREQUIREACANTILEVERSTRETCHINGSTRUCTURE,ISGENERALLYNOTRECOMMENDED42SHIPPINGAGENCIESDETERMINETHEPARAMETERS1LOADINGMECHANISMLOADINGBODIESANDMIDDLECONVEYORUSEDLINKAGEORSINGLEACTIONMODE,LOADINGTHEBODIESRAKECLAWSSPEEDISGENERALLY2548R/MINSTARFERRYSSPEEDCANBESLIGHTLYHIGHERTHANSOMEUSINGDIRECTDRIVEHYDRAULICMOTORS,THEIMUMOUTPUTTORQUERATEDTORQUEFORCALCULATINGTHEVALUEOF15TIMESSHOVELCOALGENERALOFTHETILTANGLETO2125,ITSHOULDBETHEWIDTHOFTRACK,SPACIOUSTHANTHE0612M,DECLININGPOSITIONSHOULDNOTBELESSTHANTHEMINIMUMDEPTHOFUNDERCOVERIMUMHEIGHTSHOULDBEINCREASEDTO350400MM2INTERMEDIATECONVEYORMIDDLECONVEYORCHAINMAYBESINGLEORDOUBLESTRANDEDCHAINSTRUCTUREOFTHERINGCHAIN,CHAINSPEEDSHOULDNOTEXCEED092M/S,USINGTHEUSCHAINOFUNIVERSALSLEEVEROLLERCHAINSINGLECHAIN,THECHAI