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不同滚筒运动参数对采煤机截割性能的作用分析.docx

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不同滚筒运动参数对采煤机截割性能的作用分析 Title:AnalysisoftheEffectsofDifferentDrumMotionParametersontheCuttingPerformanceofCoalShearers Abstract: Inthecoalminingindustry,theperformanceofacoalshearerplaysacrucialroleinensuringefficientandproductivecoalcutting.Thedrummotionparametersofacoalshearersignificantlyinfluenceitscuttingperformance.Thispaperaimstoanalyzetheeffectsofdifferentdrummotionparametersonthecuttingperformanceofcoalshearers.Throughacomprehensivestudyofrelevantliteratureandexperimentaldata,thispaperhighlightsthesignificanceofdrummotionparameterssuchasrotationalspeed,liftangle,drumdiameter,andtootharrangementindeterminingcuttingefficiencyandcoalproductivity.Thefindingsemphasizetheneedforproperadjustmentandoptimizationoftheseparameterstoenhancetheoverallperformanceofcoalshearers. Keywords:coalshearer,drummotionparameters,cuttingperformance,rotationalspeed,liftangle,drumdiameter,tootharrangement Introduction: Coalshearersarewidelyusedinundergroundcoalminesforthemechanizedcuttingofcoal.Theperformanceofacoalsheareriscrucialindeterminingtheefficiencyandproductivityofcoalcuttingoperations.Oneofthekeyfactorsinfluencingthecuttingperformanceisthedrummotionparameters.Theseparametersincluderotationalspeed,liftangle,drumdiameter,andtootharrangement.Understandingtheeffectsoftheseparametersisvitalforimprovingthecuttingefficiencyofcoalshearersandoptimizingcoalminingoperations. 1.RotationalSpeed: Therotationalspeedofthedrumhasasignificantimpactonthecuttingperformanceofcoalshearers.Higherrotationalspeedsresultinahighercuttingrate,offeringincreasedproductivity.However,excessivelyhighrotationalspeedscanleadtoexcessivewearanddamagetothedrumandcuttingpicks.Therefore,anoptimalrotationalspeedmustbedeterminedbasedonthespecificcoalpropertiesandcuttingconditions. 2.LiftAngle: Theliftanglereferstotheanglebetweenthedrumaxisandthehorizon.Itdeterminesthedepthandwidthofthecutmadebytheshearer.Alargerliftangleresultsinadeeperandwidercut,whichcanenhancethecoalcuttingefficiency.However,alargerliftanglealsoin