平面变胞机构及其结构分析-郭宗和

21120071()JournalofShandongUniversityofTechnology(Sci&Tech)Vol.21No.1Jan.2007:1672-6197(2007)01-0001-04郭宗和(山东理工大学机械工程学院,山东淄博255049):首先定义了变胞机构和变胞运动副的概念,提出了5种类型的变胞运动副,并对它们的特性和原理进行了详细的研究;通过变胞机构中自由度变化分析,提出了变胞机构中变胞运动链的概念,研究了变胞机构的结构组成原理和变胞机构的结构分解步骤,为变胞机构构态变换和机构的综合打下了坚实的基础.:变胞机构;变胞运动副;变胞运动链;结构分析:TH112:APlanarmetamorphicmechanismanditsstructuralanalysisGUOZong-he(SchoolofMechanicalEngineering,ShandongUniversityofTechnology,Zibo255049,China)Abstract:Themetamorphicmechanismandmetamorphickinematicpairweredefined,andthecharacteristicandprincipleoffivemetamorphickinematicpairswerestudieddetailedly.ByanalyzingthechangesofDOFofplanarmetamorphicmechanism,theconceptofmeta-morphickinematiclinksisfirstlypresentedandthenthestructuremakeupprincipleofmeta-morphicmechanismisrevealed.Thestudyprovidesasolidfoundationforthechangesofconfigurationandstructuralsynthesisofmetamorphicmechanism.Keywords:metamorphicmechanism;metamorphickinematicpair;metamorphickinematiclink;structuralanalysis[1]DaiReesJones1998.,[2-4][5][6][7]..,.,,,.11.1,:2006-06-01:(Y2006F59,Y2006G17);(J05C14);(2004KJM05):(1961-),,,.2,.,,:,......1.2,,..,..,.5.,,.,5.1.2.1变元素变胞运动副.:a).,.,2,;,1,,1.b).,,.,2,;,1,,2.,,,,.121.2.2组合变胞运动副33.4,21.3,2,3,,2,1.,.31.2.3附加约束变胞运动副4(a).,2,1.1,,,1.4(b).,11,1.1,,,1.4(c).,.CDDE,CDDE12()2007,ABCE,.,D,DE,,CDDE,,D,1,.41.2.4几何限动运动件变胞运动副5,21,;,.51.2.5单向变胞运动副6,1,.622.1,.,.,212,.,,1.,.,2,,:(1).,,1.,,11.,1,,,.(2).1,BG2BG3,.2.(3)F,F=1111.2.2[7],F=3n-2ml(1)nml,F=1n=1,ml=1n=3,ml=4n=5,ml=7(2)(1),F-F=F;n-n=n;ml-ml=ml.,1.1,:(1)BG1.BG1.31:(2)BG2.n=3,m=4BG2.(3)BG3.n=5,m=7BG3...,3;(1).,BG2,BG3..1F=1Fnml111BG134BG257BG32.3,(F)F++(3):F;.(3),,;,;,.2.1..2.4:(1);(2),BG2,BG3,BG1,.,().772BG2.2.BG2.778BG3BG1,(下转第11页)4()2007.(),()pH,,(),.:[1],,:2005[M].:,2005.[2]WangXK,DongWM,GongYC,etal.Sorptioncharac-teristicsofradioeuropiumonbentoniteandkaolinite[J].J.Radioanal.Nucl.Chem.,2001,250(2):267-270.[3]WangXK,ChenYX,WuYC.DiffusionofEu()incom-pactedbentonite-EffectofpH,solutionconcentrationandhu-micacid[J].Appl.Radiat.Isot.,2004,60(6):963-969.[4]TakahashiY,KimuraT,MinaiY.DirectobservationofCm-fulvatespeciesonfulvicacid-montmorillonitehybridbylaserinducedfluorescencespectroscopy[J].Gechim.Cosmochim.Acta.,2002,66:1-12.[5]ChungKH,KlenzeR,ParkK,etal.AstudyofthesurfacesorptionprocessofCmonsilicabytimeresolvedlaserfluo-rescencespectroscopystudy[J].Radiochim.Acta.,1998,82:215-219.[6]StumpfTh,BauerA,CoppinF,etal.TimeresolvedlaserfluorescencespectroscopystudyofthesorptionofCmontosmectiteandkaolinite[J].Environment.Sci.Technol.,2001,35:3691-3694.[7]MontavonG,MarkaiS,AndresY,etal.ComplexationstudiesofEuwithalumina-boundpolymaleicacid:effectoforganicpolymerloadingandmetalionconcentration[J].En-viron.Sci.Technol.,2002,36:3303-3309.[8]TakahashiY,KimuraT,KatoY,etal.Speciationofeuro-piumsorbedonamontmorillonitesurfaceinthepresenceofpolycarboxylicacidbylaserinducedfluorescencespectrosco-py[J],Environment.Sci.Technol.,1999,33:4016-4021.[9]WangXK,DongWM,DaiXX,etal.SorptionandDe-sorptionofEuandYbonAlumina:MechanismsandEffectofFulvicAcid[J].Appl.Radiat.Isot.,2000,52:165-173.[10]KimuraT,ChoppinGR.Luminescencestudyondeterm-inationofthehydrationnumberofCm()[J].J.Alloy.Compd.,1994,213/214:313-317.[11]RabungTh,StumpfTh,GeckeisH,etal.SorptionofAmandEuonto?-alumina:experimentsandmodeling[J].Ra-diochim.Acta.,2000,88:711-716.(上接第4页)7.87,.,3,,.,BG1BG1,BG2BG3,.3,,,;,.:[1]DaiJS,ReesJonesJ.Mobilityinmetamorphicmechanismsoffoldable/erectablekinds[J].ASMEJournalofMechanicalDesign,1999,121(3):375-382.[2]LiuCH,YangTL.Essenceandcharacteristicsofmetamor-phicmechanismsandtheirmetamorphicways[J].Proc.ofthe11thWorldCong.inMechanismandMachineScience,Tianjin,2004,(4):1285-1288.[3],,.[J].,2005,16(1):1-7.[4],.[J].,2005,36(5):97-100.[5].[D].:,2003.[6],,,.[J].,2002,38(7):12-16.[7].[D].:,2005.111,:pH()