机械专业英文介绍.ppt
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机械专业英文介绍.ppt
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Mechanicalengineeringintroduction,Contents,Mechanicalengineeringmajorreview,1,Mainstreammechanicalproductintroduction,2,Hydraulicsupportintroduction,3,Drawinghoistintroduction,4,1.Mechanicalengineeringmajorreview,TheMechanicalEngineeringmajorisdesignedtopreparestudentswithknowledge,problemsolvingability,andhands-onskillstoentercareersinthedesign,installation,manufacturing,testing,evaluation,technicalsales,ormaintenanceofmechanicalsystems.,Themechanicalengineeringtechnologistmakessignificantcontributionsinsupportingengineeringdesign,testing,production,research,anddevelopmentoperationsinawidevarietyofindustrial,aerospace,andgovernmentorganizations.wemustcompletethecourseworkinmajorrequirementsandelectives.,1.Mechanicalengineeringmajorreview,1.Mechanicalengineeringmajorreview,Ourmaintaskistouseadvanceddesigntheoryandmethodofmanufacturingtechnology,modernengineeringfieldstosolvecomplextechnicalproblemsinordertoachievethedesignandmanufactureofintelligentproducts.OperationalmanagementandbusinessmarketingandotheraspectsoftheAdvancedTechnologyTalents.,2.Mainstreammechanicalproductintroduction,Figureisacutawayviewshowingthesetupinalongwallface.Coalatthefaceiscutbyeitherashearerloaderoraplow.Theshearerloadersgenerallyrideonthepanlineofanarmoredfaceconveyer(AFC),whichislaidonthefloorparalleltothefaceline.Theshearerloadermovesbymeansofaself-containedmotorizedtinchrunningalongastaticchainwhoseendsareanchoredattheendsofthefacenearoratthefiveunitsoftheAFC.Intherecentmodels,theshearerloadersareself-propelledalongaspecialtrackwithouttheaidofthechain.ThustheAFCservesasthetrackforthecuttingmachinetomoveonandasaguidetoholdthemachineinplace.,2.Mainstreammechanicalproductintroduction,2.Mainstreammechanicalproductintroduction,Modernlongwallminingemploysself-advancinghydraulicpoweredsupportsatthefaceaera.Thesupportnotonlyholdsuptheroof,pushesthefacechainconveyor(AFC),andadvancesitself,butalsoprovidesasafeenvironmentforallassociatedminingactivities.,2.Mainstreammechanicalproductintroduction,2.Mainstreammechanicalproductintroduction,IntroductionofsheaerCoalcutbytheshearerorplowisloadedontotheAFCandtransportedtotheheadentryT-junction.Itisnowthemajorcuttingmachineinlongwallcoalfaces.Therearetwotypesofshearers,single-anddouble-drum.,2.Mainstreammechanicalproductintroduction,2.Mainstreammechanicalproductintroduction,Inlongwallcoalmining,thcoalcutdownbytheshearerortheplowistransportedbytheamoredfacechainconveyor(AFC),whichislaidacrossthefullfacetidth,totheheadentryT-junction,whereitistransferredtotheentrybeltconveyorthroughthemobilestageloader.,2.Mainstreammechanicalproductintroduction,2.Mainstreammechanicalproductintroduction,Drawinghoistisanewtypeofmineauxiliarytransportationequipment.Itmainlyusedtodismantleandrecyclingminestopefaceofblindmechanicalequipment.,2.Mainstreammechanicalproductintroduction,First:
Introductionofhydraulicsupport,Hydraulicsupport(液压支架)asoneofthemostimportantmachineofcoalminemachinery,playsanimportantroleinensuringthesafetyoftheminers.Bymeansofhighpressureemulsionliquid(乳化液),hydraulicsupportsustainstheroofeffectively.,Coalminemachineryhydraulicsupport,Second:
Thecompositionofthehydraulicsupport,Thereare6parts:
topbeam、shieldbeam、base、four-barlinkage、hydraulicsupportleg、thrustgear,Coalminemachineryhydraulicsupport,Third:
Theclassificationofthehydraulicsupport,chock-type,shield-type,chock-shield-type,Coalminemachineryhydraulicsupport,Fourth:
workingprincipleofthehydraulicsupport,Hereisashortmovieabouttheworkingprincipleofthehydraulicsupport,whichisbasedonmygraduationproject.,themotionsimulation,Coalminemachineryhydraulicsupport,4.Drawinghoist(回柱绞车)introduction,Drawinghoistisanewtypeofmineauxiliarytransportationequipment.,4.Drawinghoistintroduction,Itmainlyusedtodismantleandrecyclingminestopefaceofblindmechanicalequipment.Tractionbigandtractionspeedslowisthemaindrawinghoistperformancerequirements.Withtheimprovementofmechanizeddegree,itismoreandmorewidelyusedinmechanizationminingface,asinstallation,recyclingofvariousequipmentsaysspareparts.Drawinghoistexcepttodrawingandcaving,alsocanbeusedtoworkhaulingandschedulingvehicles.,4.Drawinghoistintroduction,Drawinghoistmainlyconsistsofelectricmotor,coupling(联轴器),reducer,thedrumdeviceandelectrichydraulicbrake(电液制动器)etc.Itcanbedividedinto4parts:
Electricmotor(电动机)Reducer(减速器)Drumdevice(卷筒装置)Base(底座)Now,letmeintroducethe4partsonebyone.,4.Drawinghoistintroduction,Electricmotor:
Itisthep
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