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3128121.1100272.1100272012-08-121978—。。TD422A1006-8937201228-0053-02Briefintroductionofdouble-crawlerwalkingmechanismofopencastlargeexhaustsoilmachineNINGQian1ZHOUYu21.NHIConveyingEquipmentCompany,ShenyangLiaoning110027China;2.NHIDesign&ResearchInstituteShenyangLiaoning110027ChinaAbstract:Thisarctileintroducesthedevelopmentoflargecrawlerinopencaseathomeandabroadandresearchofmainmanufacturersathomeandabroadanditalsoanalysestracktravellingmechanismwithtwosupportingtypes.Keywordsspreadercrawlerwalkingmechanismdevelopmenttrendresearchsituation、。1。、。、。2、。3000t/h35m。5000t/h、50m。。260m。oP-4500/180192moP-12500/220220m。A2RS-B7200/180190m。KRUPP30～100m60m。164.5m15m“”“KRUPP”、“SANDVIK”。33。1。500t。2。。TECHNOLOGICALDEVELOPMENTOFENTERPRISE3128Vol.31No.28201210Oct.2012201210minmminm120850152.590145089.4TK500250980132.2170153084.72、20m3/h30m3/h②11%③④211⑤⑥16.8m28m165m⑦⑧、、。⑨。4.1.2①4m3/h、、②25%～30%③5/④10m3。⑤。4.22。5。。。[1].[J].1999S1.[2].[J].200210.123。。。3[1].[J].2005186:83-84.[2].[J].2003242:246-249.[3].ADAMS[J].2008222:29-31.[4].[D].:2005.[5]F.D.QueirozP.C.G.S.VellascoandD.A.Nethercot.Finiteele-mentmodelingofcompositebeamswithfullandpartialshearconnection[J].JournalofConstructionalSteelResearch2006634:505-521.[6]CicekKaraogluN.SefaKuralay.Stressanalysisofatruckchassiswithrivetedjoints[J].FiniteElementsinAnalysisandDesign20023812:1115-1130.4154