外文翻译--往复给煤机现状.doc

reciprocationstokerspresentsituationreciprocationtypesstokeritsownstructuresuperiority1)structuresimple,theservicequantityissmallInthereciprocationtypestoker,theelectricmotorandthereductiongearusethestandardletter,othermajoritiesaretheweldments,thevulnerablepartarefew,usesunderthecoalmineextremecondition,itsserviceabilitydeeplymeasureunittobeusedshighpraise.2)theperformanceisstableThereciprocationtypestokertothecoaltrademark,thesizecomposition,requestandsoonmoisturecontent,physicalpropertyislax,whencomestoexpectthenon-uniformity,themoisturecontentdoesnotstabilizealsoclampshasthebiglumpcoal,RubberBelt,thewoodandthesteelwireisochronism,stillcouldthenormalwork.3)thenoiseislowThereciprocationtypestokerrightandwrongVibrationhasthesourceformaterialequipment.itsnoiseonlytohavetheelectricmotorandthereductiongear,butthesetwonoisesveryarealllow.EspeciallyinthemineshaftorBunkerandsoontheenclosedplace,thenoiseisunabletoproliferate,thispointiselectricallyoperatedisunableforthematerialmachinetoachieve.4)installsconveniently,ishighlysmallThereciprocationtypestokergenerallyinstallsinBunkerthewarehousemouth,doesnotneedotherconfigurationwarehousemouthstrobedistilltroughandthesupportofmotor,theinstallmentmayreachonesgoalinstantly,theadjustmentworkloadissmall,butelectricallyoperatedstokerbecausecannotdirectlywithstandthewarehousepressure,needsmoreovertoplacethewarehousemouthtransitionChuteunder,compares,thereciprocationtypestokerholdshighlyslightly,hassavedthefloorspaceandtheinvestment.developmentslarge-scalereciprocationtypestokernecessityIspreciselybecausethereciprocationtypestokerhastheabovecharacteristic,webelieved,inthecoalminemineshaftandthegroundproductionsystempharynxandlarynxlink,andinotherneedcontrolnoiseslinks,shouldthefirstchoicereciprocationtypestoker.Theexpandedseriesreciprocationtypestokershouldsatisfythefollowingrequest.1)satisfiesthelarge-scaleminepitproductivitytherequestAlongwiththeourcountrycoalminepitunceasingexpansion,thehourproductivityalsoisincreasing,forexample:Thewellis2.4milliont/a,3milliont/a.4(XItenthousandt/aminepit,hourproductivityseparatelyfor42h,928t/h,1238t/h.Theminepithourproductivityincrease,therequestenhancesthestokertheproductivity.Atpresent,theminepitmineshaftrawcoaltransportationmoreandmoremanyusestheadhesivetapeconveyer,inotherwords,themineshaftusedthestokerthelinktoincrease.Althoughmayusemanysmallmodelsstokerjointlytoarrangesatisfiesthebigproductivitytherequest,butarrangesmanystokerstoneedtoexpandWeighedtheroom,theincreaseprojectinvestmentmoreovermanyarrangement,thesystemreliabilityreduces,thenoiseincreases,hastheproblemtheprobabilityalsorelativelytoincrease.bringsthecertaintroubletotheservice.Loadsacarthesystemintheuseadhesivetapeconveyer,isinthegroundproductionsystemusesstokermostplaces,moreovertherequestgivesthecoalabilityquitetobebig.LoadsacarthesystemifusesElectricvibratorforthematerialmachine,notonlyincreasedhasloadedacarmoreoverthenoiseverytobehighlybig.Installsthelarge-scalereciprocationtypestoker,notonlycausesthehourproductivitytoincrease,moreoveralsoforloadedacarthesystemequipmentshapingtoprovidehasbeenbiggermaychoosethescope.2)loadsthebelttypenecessarywiththehostwellbottomofthewell(beat)theconveyerThemainwellbottomofthewellloadsthebelttype(beat)thequotaconveyertypebottomofthewellcharginggeardevelopmenttendency,listsasthecoalkeyscientificresearchitem,whenthequotaconveyeridlingspeedloadingisrequestedforthecoalequipmentability801)abovettb,theexistingKseriesstokercannotmeetthisrequirements.Althoughalsomayuseforthematerialstrobematerial,butforthematerialstrobeforestimatedeasilytherawcoalmoisture,thegranularityinfluence,causesforthematerialnon-uniformity.Butthelarge-scalereciprocationtypestokermaysatisfythisrequestlarge-scalereciprocationtypesdeceivethecoalmachinestructuralstylecharacteristicWethroughcarryontheanalysistotheformerstokerinvestigation,hascarriedonthethoroughcomputationtothestructurepattern,totheessentialstressspotliketank,thedoubleconnectingrod,thebaseheldtherollerandsoontocarryonthestressanalysis,carriedontheexaminationcomputationusingthefiniteelementprinciple.Altogetherhasfollowingfivecharacteristics.1)entiremachineusestheframeThemselvestobepossibletounloadthetypeBecauseconsideredthemineshafttransportationtheconvenienceandthemineshaftindustryandmininglimit,entiremachineusesaminutewritingstyle,moreoverconsideredthemineshaftweldinginconvenient,usestheboltvice-joint,thesidebartoconsidertheexternaldrumthepossibilityandtheendophragmweartheneed,laysdownintheflankReinforcedinsideLining,strengthenedthewholerigidityandtheintensity.2)increasesDaobantheguidanceandtheblockingInmakesthereciprocalmotionunderDaobantoadditionallybuildseveralgroupsofrequestsrollerswheel,ontheonehandchangesDaobantheslidingfrictionfortorollthefriction,reducedtheattrition,ontheotherhandalsocausesDaobantherigidityenhancement.Moreover,forpreventedDaobanistransportingMovesintheprocesstohaverunstheleaningphenomenon,inDaobantwosidesinstallmentsguidancewheel.3)usesthehyperbolictroughdrivetypeThestokerdriveusesthehardtoothfacereductiongear,ordinaryplugshaftcoupling(butnon-fluidstrengthcoupler),doubleoutputshaftform,likethis,notonlyreducedthecostmoreovertocausetheunilateralAxisradialdirectionloadonlyisthebottomsurfacethrustforceonehalf,iscarriedtheconditionbigimprovement,moreover,furtherenhancedthestabilitywhichDaobanmoved.4)carriesontheoptimizationtotheDaobanstructureFormerlyKseriesstokerplatestrobe,thematerialhadmanyproblemsinshipping,forestimatedcouldnotenhancethekeyalsolayinthis.Therefore,wehavecarriedontheoptimizationtoDaoban,designsforthestepsandladders,Notonlycausedthematerialprocessloadtoenlarge,moreovertheDaobanitselfintensityalsoobtainedfurtherenhances.5)changesthefanstrobeforthemanualplatestrobeControlsexpectshowmanythekeytobedecidedbythestrobe,thestrobealwaysusesthefanstructureintheformerKseries,butdiscoveredfromthefielduse,thefanstrobeandthewarehousewallfrequentlybump,thesceneoftenwheninstallsthestrobecannotbutknockthewarehousewallapart,causesthewarehousewalltheintensitytoweaken,basedon,weusesthemanualplatestrobe,matchestheguidancewheelunderthedamperplate,simultaneouslyhasthepositioningdeviceontheaxis.economicefficiencyanalysisInneeds2000t/underthehtransportcapacitycondition,arrangestwoUniversityofTaiwanstokerwithsimultaneouslytoarrangefourK14stokersorfourElectricvibratorstokersitseconomicefficiencyquiteisasfollows.1)WeighedproclaimstheminingquantityThebigWeighedroomnotonlycausestheminingquantitytoincrease,moreovercanbringmanynegativeeffectsalongwithit,fourreciprocationtypesstokerunionarrangement,shouldconsiderbetweentheequipmentmustremainhastheoverhaulspace,holdsZuothespace,likethis,itsWeighedroomresilienceisbiggerthantwoUniversityofTaiwanreciprocationtypestoker；Butifusesfourvibrationstodeceivethematerialmachine,needstheheightdifferenceinabigway,moreoverbecauseitsnoiseisbig,thesmallWeighedroomcannotsatisfyitsrequest.Speakingofthisparameter,arrangestwoUniversityofTaiwanstokertheplanismosteconomical.2)powerconsumptioncomparisonThelarge-scalereciprocationtypestokerpowerisnotcertainlybig,twoUniversityofTaiwanstokerpowerconsumptionandfo