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31.2.3.2、,2Δp=p1-p2p1———;p2———。2Q=kaΔp姨a———,();k———,。:(1);(2)。2.3,,,:(1)“”,1.5MPa,2.5MPa,1MPa,;(2)“”,,,,,。4,18MPa,80L/min。/s43,,,,。:[1].[M].:,2001.[2].[K].:,2003.:(1984-),,,2009,,:jiqiang1984@gmail.com.::2012-02-19CoalMineMachineryVol.33No.07Jul.20123307201207姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨姨,,(,221008):,。,,,,。:;;:TD421:A:1003-0794(2012)07-0024-03DesignofSpiralDrillPipeStructureinScrewMinerXUEBo,JIMing,CHENWei(SchoolofMines,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)Abstract:Screwmineristhekeyequipmentintheproductionofcoal,whichhasgreatapplicationprospectsincoalmininginthincoalseamorcoalseammining.Asthemaincomponentofhelicalbladeofscrewcoalminer,inthisarticle,firstly,drillingcoalshearerspiralvanemotorwasanalyzed,andintensitycheckingismadetothehelicalvane,finallytoestablishamathematicaloptimizationmodelofcoalaugerdrillshaftconnectingsleeve,theoptimizationdesignismadetocoalaugerdrillshaftconnectingsleeve.Keywords:screwminer;structuralparameter;optimizationdesignp1p21230.01824303642600.030.060.090.0/L·min-1/MPa15304524DOI:10.13436/j.mkjx.2012.07.0480,,、。,。1n(),1,vv11,vn,vn=v+v111,v11v12,φ,v0,v0=vncosφ=πnDsinαccosφ(1)v0vpr=v0cos(αc+φ)=πnDsinαccos(αc+φ)cosφ(2)22,,∑Fs=ma=md2sdt2∑Fp=∑∑∑∑∑∑∑∑∑0(3)F2-F1cos(α+β-ξ)-mgn(α-ξ)=md2sdt2P-mgnsin(α-ξ)-F1sin(α+β-ξ)=∑∑∑∑∑∑∑∑∑0(4)2(4)d2sdt2=gn[sin(α-ξ)f2-cos(α-ξ)]+ω2yf1sinα-ξ+arctgvyω∑∑f2-cosα-ξ+arctgvyω∑∑∑∑P=mgnsin(α-ξ)+mω2yf1sinα-ξ+arctgvyω∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑∑P———;F———;m———;gn———;f1———,f1=0.3;f2———,f2=0.4;u1———;u2———;ω———,ω=60r/min;v———,v=0~3.5m/s;y———y;α———,α=20~35°;ξ———,ξ=0~15°。MATLAB,Mymax,α=30°,ξ=-15°,γ=1.7,y=0.08mm,Mymax=2546.4Nm。3,,,。35SiMn,E=206GPa,G=79.4GPa,[τ]=35,,12mm,dD,。3。33.1(1)τT=TW=16DT0.5π(D4-d4)≤[τT][τT]=35MPa,g1(X)=16x1T0.5π(x14-x24)-[τT]≤0(7)g2(X)=16x1Tπ(x14-x24)-0.7E(x1-x2)2x1∑∑3/2≤0(8)(2)g3(X)=584×Tl0.5G(x14-x24)-[φ]≤0(9)(3),12mm,DDg23307Vol.33No.07———,αφnvxv12v11vprvnv1v0αβξξyxF2PF1mgn25,Dg,g4(X)=x2-Dg≤0g5(X)=Dg+24-x1≤0(10)(4),,,d=(0.5~0.6)D,g6(X)=0.5x1-x2≤0g7(X)=x2-0.6x1≤0(11),,X=x1x2≤≤=D≤≤d,:f(X)=0.5π(x12-x22)4:s.t.g1(X)=16x1T0.5π(x14-x24)-[τT]≤0g2(X)=16x1Tπ(x14-x24)-0.7E(x1-x2)2x1≤≤3/2≤0g3(X)=584Tl0.5G(x14-x24)-[φ]≤0g4(X)=x2-Dg≤0g5(X)=Dg+24-x1≤0g6(X)=0.5x1-x2≤0g7(X)=x2-0.6x1≤0g8(X)=-x2≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤03.2,LINGO8.0,Dd1。14,,,。,,。:[1],,.[J].,2006,32(8):8-10.[2],,.[J].,2007,28(1):1-3.[3].[M].:,1988.[4].MATLAB6.5[M].:,2003.:(1987-),,,,:dragon.heart@163.com.::2012-02-19Dg/mm192227266305192218258Dd/mm108136159183108130154D/mm222251290329222242282d/mm132150174197132145169Pro/EANSYSWorkbench,,,(,221008):,Pro/E,Mechanism,ANSYSWorkbench。,,。:;;;:TD355:A:1003-0794(2012)07-0026-03DesignofUltra-staticHydraulicSupportBasedonPro/EandANSYSWorkbenchZHUXue-kai,LIBing-wen,RENRui,WANGKai(CollegeofMechanicalandElectricalEngineering,ChinaUniversityofMiningandTechnology,Xuzhou221008,China)Abstract:Accordingtothedesignparametersofhydraulicsupport,three-dimensionalmodelandvirtualassemblywasbuiltbasedonPro/E,thenthemotionsimulationwasanalyzedbyMechanism,finally,themodelwasintroducedintoANSYSWorkbenchtomakefiniteelementanalysis.Thisdesignmethodwillhighlyraisethedesignefficiency,greatlyshortenthedesignperiod,andatthesametime,increasethereliabilityofthehydraulicsupport.Keywords:hydraulicsupport;three-dimensionalmodeling;motionsimulation;finiteelementanalysisCoalMineMachineryVol.33No.07Jul.20123307201207≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤26
本文标题:螺旋钻采煤机螺旋钻杆结构的设计分析
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