矿用钻杆匹配方法研究

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0,。,1881m,,,,,。,,。,,,,。,,。,,,,。11.13:、、。1。1:,。,ZDY4000S,准73mm,准73mm。,500~3000mm,1000mm。,1200mm,准73mm,15。。,21,10mm,1100mm。,,,,。,,,,,,。,,;,,,,。,,,。,,。1.2,,CoalTechnologyVol.37No.03Mar.20183703201803doi:10.13301/j.cnki.ct.2018.03.081,,,,,,((),100083):ZDY4000S,。,,,,、,。:;;:P634.3:A:1008-8725(2018)03-0213-03StudyonMatchingMethodofMineDrillPipeQIAOHong-bing,BAIYu,ZANGHe,YANGYi-fu,YIHai-long,ZHAOXing-wei,ZHENGWei-xiong(SchoolofMechatronicsandInformationEngineering,ChinaUniversityofMiningandTechnology(Beijing),Beijing100083,China)Abstract:BasedonthecharacteristicsandsizeofZDY4000Shydraulicdrillingrigwithmatchingdrillpipematchingdevice,andproposesadrillpipeclassificationmethod.Thedevicecannotonlysolvetheproblemofloosedistributionofdrillpipe,butalsofacilitatethehandlingofdrillpipe,reducelaborinput,improveworkefficiency,automatictransferrodforhydraulicdrillautomaticdevice,installationtoprovidetherequiredspecificationsofthedrillpipe,thebasictomeettheactualworkneeds.Keywords:drillpipe;drillpipematchingdevice;classificationstorage213,。。2,,,。,,。,,。2:①;②,,,,,,。,,,,,1。2。22,,,。,。ZDY4000S准73mm,,2。2.1,,,,,,,,。准45mm准73mm2,150mm,278mm。,。,,。2.2,,,,α。3。31.2.3.准73mm1,。G=F1sinθ+F2sinθF1=F2R=65(1)G=2F1sinθ(2)F1———,N;θ———F2f2;F2———,N;R———,mm。,准73mmR1=50mm,,。,。,F1F2,,F1=∑F1(x)F2=∑F2(x∑)(3)F1(x)———0,N;F2(x)———0,N。4。4,,F1=L乙乙F1(x)dS=Lφ20乙dφ22.50乙θπx180F1dx=LFp(4)L———,m;S———,m2;Fp———,N。F2。α,4,,f1=f2≠0,f1,3703Vol.37No.03———,F1F2f2f1α321214φXY0,,,,。,。,。[1]、[2]DG。[3],。[4]、[5]。[6]、*(51407183)CoalTechnologyVol.37No.03Mar.20183703201803doi:10.13301/j.cnki.ct.2018.03.082*,,,(,221116):。。,、。:DG;;:TM77:A:1008-8725(2018)03-0215-03ImprovedThree-stageAdaptiveCurrentProtectionofDistributionNetworkwithDistributedGenerationCHENKui,DUANZhu-chao,YANGLe,SUNWan-wan(SchoolofInformationandElectricalEngineering,ChinaUniversityofMiningandTechnology,Xuzhou221116,China)Abstract:AsimulationshowsthedetrimentaleffectsonthedistributionsystemofDG.Improvedthree-stageadaptivecurrentprotectionbasedtheseproblemsareproposed.Finally,theresultshowsthatthisschemehasgreatadvantagesintermsofprotectionrangeandsensitivityandsolvedtheproblemssuchasmalfunction,refusalandsensitivityofdetrimentaleffectsonthedistributionsystemofDG.Keywords:distributedgeneration;three-stageprotection;adaptivecurrentprotectionF2,f1=f2=f,F1=0ma=f-F2cosθG=F2sin!######$θ(5)m———,kg;a———,m/s2;f———,N。4α,,,、,,。,,。3,。,,,。,5~6,,,,,。:[1].ZYW-3200[J].,2017,36(4):260-262.[2].[J].,2006,25(1):38-39.[3],,,.[J].,2013,41(10):21-24.[4],.[J].,2012,32(9):51-52.[5],,.[J].,2014,42(3):19-21.[6],,.[J].,2014,42(4):18-20.[7],,,.[J].:,2016,43(8):44-47.:(1966-),,,,:,:qhb@cumtb.edu.cn.::2017-07-07%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%215

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