便携式椭圆机的设计研究

201112192008GQC00021978CAD/CAM170×70×160cm70kg332005WorkingModelPro/ETH12A2095-302X(2012)03-0061-04DesignofportableellipticaltrainerZhangXiao,HuangQiang(JiujiangUniversity,JiujiangJiangxi332005,Chian)Abstract:Anovelportableellipticaltrainerisinvented.Themotionalpropertiesandshortagesoftheexistingproductsareintroducedbriefly.Thedesignprogramsofthismechanismareanalyzedbasedontheprinciplesofergonomics.Motiongeometryanalysisiscarriedoutwithaworkingmodel,andthethreedimensionalmodelsisaccomplishedwiththePro/Esoftwareknowledge.Itcanbeseenfromthedesignresultsthatthestructureofthemechanismisverysimpleandflexible,andconvenientlyemployedindifferentapplications.Keywords:machinedesign;portableellipticaltrainer;ergonomics;solidmodeling20126June2012333JOURNALOFGRAPHICSVol.33No.31不1111123456721.2.3.4.5.6.7.22[1]不度不[2]度度度3利都1.901.96[1]70°90°90°125°[3]333412(3)410jjjjaebecede1xy(2)0sinsinsinsin0coscoscoscos14321432dcbadcba24θ2abcθ4θ10°θ490°(2)2323sinarcsin()coscoscabdab3(1)abcθ1(0)θ4(/2)d2(3)32dd0ddjjajebjedtt4xy(5)32233223ddsinsin0ddddcoscos0ddabdttabtt5(5)32332233dcosdcossinsinatadab62θ3dworkingmodel[4]5(a)P5(b)Pdcb2O2ayxXY431A2B3C41234(a)(b)5workingmodel4Pro/E6[5]180mm110mm162°18°500×260×280mm16kg65Pro/E[1].[M].:,2004:2431.[2],.[J].,2007,(1):123128.[3],.[J].,2003,(2):132136.[4],.[M].:,2007:432438.[5].Pro/ENGINEER3.0[M].:,2007:361385.P