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1、电铲司机中级试题.txtTheelectricshoveldriverintermediateproblemlibrary1.FillsupthetopicThelwk-10ashovel-walkingmechanismhasablockoneachside・145The2wk-10walksaredone・2jawclutchThethreegeneralribmarkingsaremadeupoftheribcode,thecompasstolerance,thetoletancebandandthecodename・3
2、screwandlengthThe4wk-10shovel-liftmotorisconnectedtothereelbythecoupling.4elasticThemainproductionprocessesoftheopenpitmineinelude・5perforationblastingtocarrytheshippinglineInopen-pitmining,thecostoftransportationaccountsforabout%ofthetotalcostoftheore・Theopenpitsaf
3、etyplatformisusedastherockthatfalls,andcanbeusedasafinalAngle・7bufferstopslowly8andthestepsofthecomponentsinopen-pitmineare:,,,,,,,slopeAngle,steps・ThetopleveloftheslopeofthelowerlevelofthelowerlevelofthelowerplaneofthefloorofthelowerplaneThe9wk-10a(B)typeshovelincr
4、easestheratedpowerofageneratorasakilowatt・9600The10heatrelayiscomposedofthethermalcomponent,thecontacthead,theactionmechanism,theresetbuttonandthetemperatureliftingcomponent・10settingcurrentdeviceThemainpartsofautomaticairswitcharemovement,staticcontactandoperatingm
5、echanism・11arcingchamberThecommutatorof12demotormainlyimprovestheperformanceofdemotor・12thereversingThe13wk-10walksaredone10thumbwheelThecontactoftheaccontactorisdividedandthefunctionofthecircuit・11throughThe15wk-10a(B)electricshovelisprotectedbythethermalrelayRJg15
6、Drawthediode・16Drawadjustableresistancesymbols・12conductorThematerialsinwhichtheconductivepropertiesareintheinsulatorarecalledsemiconductors・13istriggered14thyristorconductancemustbeusedtoconnectthevoltagetothepositivevoltageofthethyristor,controllingthevoltageatthe
7、sametime.19conductorAdiodethatworksinastateiscalledastablediode・20directionTheamountofelectricitythatchangesovertimeiscalledalternatingcurrent・21listedroperetainerThe22195BLshovelrodassemblymainlyconsistsoftheropewheel,thepushpressurereductiondevice,thetensioningmec
8、hanism,andtherearstopplate・2237.5The23195BLelectricshovelraisesthelengthofthewireropeby77meters,withadiameterofmillimeters・2335.5The241951
