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*王忠(,621010):以平行四边形机构为基础机构,利用其特性将其扩展为多杆机构,该多杆机构具有普通平行四边形机构的等速性优点,同时具有主从动件之间的轴间距离可变化的特点,这种机构在环保矿山等机械设备中有着广泛的应用:平行四边形;机构;应用:TH13:A:1001-2354(2005)12-0057-02,,,,,,,,[1],,()1平行四边机构的基础形机构1,:,,:,,,,12含有平行四边形链的轴间距可变等角速平面铰链机构2O1O2,:(1)(2)O1,O2(3)2a,vO1ABvO2FE,:O1O2,CDO1ABO1,2a::vO1ABTvO2FE:NO1BA=NO2EF:ABCDDCEF:ABMFE:O1BMO2E,O1B=O2E:O1BEO2B,E,O1O2,BC=1,CE=2;(2),(3),,,,(4),[1],.[M].:,1996.[2].()[M].:,1998.Asimpleandeasymechanicalpatternedstep2lessvariatorCHOUXing2rong(DepartmentofMechano2ElectronicEngineering,Guang2dongBaiyunCollege,Guangzhou510450,China)Abstract:Akindofmechanicalpatternedstep2lessvariatorwithspecifiedrangeofapplicationhasbeenintroduced.Thecomposition,workingprincipleofthismechanismanditsdesig2ningcalculationwereexpounded.Keywords:step2lessvariator;gear;camFig4Tab0Ref2/JixieSheji04783,,vBCE,,CB,CD2212200512JOURNALOFMACHINEDESIGNVol.22No.12Dec.2005*:2005-01-18;:2005-04-18:(1963-),,,,,,,20O1ABO1,2b,,2aCD(a)(b)2()3轴间距可变等角速平面铰链机构的演化2,CD34,,33,CD,CD(a)(b)34,CDO3,vO3CDvO1BA,,vO3CcDvO2EF,,CCcDO3CD4,,4CD4::vO1ABTvO3DCABMDC:O1BMO3C;O1B=O3C:O1BCO3:O1O3=BC:O2O3=CcE:O3O1,O2:CDO3,:CDO34轴间距可变等角速平面铰链机构的扩展,,:1114,:,,1511,2,,,,1,511()5轴间距可变等角速平面铰链机构的应用,,,:4,[1],.(7)[M].:,1997.[2],.[J].,1998(1):31-32.ExtendingofparallelogrammechanismanditsapplicationWANGZhong(SchoolofManufacturingEngineering,SouthwestUniver2sityofScienceandTechnology,Mianyang621010,China)Abstract:Takingtheparallelogrammechanismasafunda2mentalmechanismandletitbeextendedtoamulti2rodmecha2nismbyutilizingitscharacteristics.Thismulti2rodmechanismpossessestheadvantageofconstantspeednessoftheordinaryparallelogrammechanism,andatthesametimepossessingthecharacteristicsofavariabledistancebetweenaxlesofdrivingandfollowingcomponents.Thiskindofmechanismhasabroadapplicationinmechanicalequipmentsofenvironmentalprotec2tion,mining,etc..Keywords:parallelogram;mechanism;applicationFig5Tab0Ref2/JixieSheji05063582212