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1、英文原文英文原文英文原文英文原文TheTechnicalSituationDevelopmentTrendofElectricalHaulageShearersAbstractAbstractAbstractAbstract:Inthispaper,thetechnicaldevelopmenthistytechnicalsituationofelectricalhaulageshearersfthinseamofChinaarerev
2、iewed,themaintechnicalparameters,generalstructure,serializationdevelopmenttrendofsuchshearesareintroducedKeywdsKeywdsKeywdsKeywds:thinseam;shearer;electricalhaulage;multi—motdriving;transversearrangementGermanEickhoffcom
3、panyAmericanJOYcompanythe70sin20centuriesdevelopsadirectcurrenttoleadtoadoptcoalmachineoneafteranother.Henceftheachmainlyadoptedcoalmachinearesearchamanufacturingacompanytoallleadtoadoptcoalmachinetocarryontotheelectrici
4、tyinthewldagreatdealofofstudyadevelopment.80Theageexpectedtoappearalternatecurrenttoleadtoadoptcoalmachinebehind.90Agethebigpowerelectricitywhichdevelopstogatherelectronicsmicroelectronicsinfmationmanagementcalculatintel
5、ligencetechniqueintheintegralwholeleadstoadoptcoalmachineliketheLSseriesofAmericanJOYcompanyBritishLongAirdoxtheElectraSLseriesofthecompanytheEDWSLseriesofGermanEickhofcompanythreewellsinJapanthreepondcreationtheMCLEDRof
6、seriesetc.theelectricityleadtoadoptcoalmachine.TheelectricityleadstoadoptcoalmachinegooddependablesexwithitsfunctionparameterGaoautomationdegreeGaooperationconveniencesupervisionprotectionexaminationthefunctionperfecteco
7、nomicperfmanceGaoDeng3sadvantagebequicklyexpedanusage.1Thefeignelectricityleadslongtoadoptthecoalmachinedevelopmentgeneralsituation1.1GermanEickhofcompanyAfter1976developpedsuccessfuldirectcurrenttoleadtoadoptcoalmachine
8、itwasbasictostoppedaliquidtopresstoleadadevelopmentresearchofadoptthecoalmachinecontinuouslydeveloppedvariousfmelectricitiestoleadtoadoptcoalmachine.90TheSLseriesthattheagedevelopishizontaltoarrangethealternatecurrentlea
9、dtoadoptcoalmachinecuttomowelectricalengineeringtoarrangeinshakingarm.AmongthemtheStypeelectricityleadstoadoptcoalmachinetopackmachinepowertoreachtoone580kWsbiggestleaddint998LSOkNs.SL300typeelectricityleadstoadoptcoalma
10、chinetoalwayspackmachinepowerone018kWstheadoptiondoublechangeoncethePinmachinedragalongonesystembiggestleadspeedtoreachto54.5msraisystemthesystemhavetohoverwitheachotheratypeapersonthemachinedialogueequipmentshealthilyfe
11、caststheonlinecontroldatadeliveretc.function.1.2:BritishLongAirdoxcompanyAfter1984developpedsuccessthefirstsetcuttomowelectricalengineeringtoarrangeatmanydecationswithhizontalelectricalengineeringsofshakethearmsgetElectr
12、a550typedirectcurrentledtoadoptcoalmachineatitsfoundationtopenlargementpowerthendevelopintoanElectra1000typedirectcurrenttoleadtoadoptcoalmachine.90AgeonthemodelfoundationoftheElectraseriesenlargementpowertheimprovementc
13、ontrolssystemdeveloppedELseriesmachinebranchinShanghaiagainsuccessivelydevelopsucceedcuttomowthealternatecurrentthattheelectricalengineeringlengthwayssetsouttoleadtoadoptcoalmachinecuttomowelectricalengineeringhizontalse
14、toutofbeapplicabletointhickwiththealternatecurrentofthinnercoalseamleadtoadoptcoalmachinesucceedappliedattheJincityHuaisouthXu2Zhoubigequalmineraldutybureau.3Techniqueacteristicsdeveloptrend3.1packmachinepowertoenlarge.T
15、hefunctionparameterraise(1)Thesinglesetpiecemowselectricalengineeringpowerallinthe400kWsabove.Themostadoptsthecoalmachinesinglesetpiecetomowelectricalengineeringpowertoalreadyarrive6OOkWthe7LS5sadoptsthecoalmachinesingle
16、setpiecetomowelectricalengineeringpowertobeupto750kWs.(2)Leadpowerallaboveinthe80kWsbiggestalready220kWs.(3)Alwayspackmachinepowermethanone000kWsreachtoone94OkWssuchasthe7LS5stheEL3000alwayspacksmachinepowerastallestas20
17、00kWs.(4)Leadspeedleaddinttosignificantlyraise.Leadthespeedl525msminleadthedint500kNsabove.Biggestleadspeed54.5msrain(SL300)biggestleaddint998kNs.(5)Cuttomowpoweraggrizementthesupptrompaystoprotectofrealizationtheenlarge
18、mentrollercutsdeeply.Thelis0yearagoscutdeeplymostlyisa630700Inll1swidespreadnowadopt10001200Zistocutdeeplyseparatelyattain1500Infnsestocutdeeply.(6)Theexaltationadoptsthecoalmachinecredibilitywithcanutilization.Theabroad
19、adoptscoalmachineadollarapartsadesignlifespan:Thewheelgear12500hsthebearingsis2000030000hsestheelectricalengineeringinsulatesthelifespan44000hstherolleradoptscoal640000ts.Adoptcoalmachinetogreatlyfixaperiodf2yearsthecoal
20、measure3005000000ts.Ourcountryrequeststhatadoptingcoalmachinecoalmeasuresa1502000000tsbutnotgreatlyfixsthemarginisverybig.3.2mediumhighpressurepowersuppliesAlongwithadoptcoalmachinetopackthemachinepowersignificantexaltat
21、ionthewknoodlescontinuouslylengthensthewholewknoodlescapacitywksoverthe5000kWsthenoodleslengthattain300ms.Indertoreducepowerlineroadtoexhaustqualityelectricalengineeringfunctionoftheexaltationpowersupplyhighpressurepower
22、supplyinthewidespreadadoption.Themainpowersupplygradehasa2300330041605000Vetc..3.3supervisionsprotectionsystemintelligenceturnThemodernelectricityleadstoadopttheintelligencethatthecoalmachineallhasestablishmentinthemicro
23、processfoundationtoturnsupervisionmonitprotectionsystemcancarryouttohoverwitheachothertypepersonmachinedialoguewirelesscontrolfromadistancethewkconditionmonitappearanceshowthedatacollecttosavedeliverhealth(breakdown)diag
24、nosiswithearlywarningautocontrolautomaticallykeyupetc.variousfunctionsadoptthecoalmachinemaintenancequantityleastbyassurancetheutilizationisthetallestcancarryouttopressasupptwithliquidwkthenoodlestranspttheinfmationofmac
25、hinetohoverwitheachotherwithalliedmoveacontroletc.function.SuchasAnnevirtuousSencompanyELseriesthemodelupequipsImpac:ThetintegratesprotectionsupervisionsystemtheEichhofoftheEichhofcompanyadatagatherstogethertechniquesyst
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