考虑人因工程学的椭圆机设计

200610141955[1]JOURNALOFENGINEERINGGRAPHICSNo.1430070TH12A1003-0158(2007)01-0123-06TheDesignofEllipticalCrossTrainerswithErgonomicalGuidanceWANGXiao-guang,WUYong-qiang(SchoolofMechanicalandElectricalEngineering,WuhanUniversityofTechnology,WuhanHubei430070,China)Abstract:Fitnessequipmentsarebecomemoreandmorepopulartoday.Thehumanfactorsareveryimportanttobeconsideredwhendesignforthiskindsofproducts.Ellipticalcrosstrainersarestudiedintheviewpointofergonomics,includingthekinematicsschema,lociofpedalandhandle,partsdimensions,flywheelandloads,etc.Anactualellipticalcrosstraineristestedtoverifythefeasibilityofdesigncriterionsdescribedinthispaper.Keywords:industrydesign;ellipticalcrosstrainer;ergonomics;fitnessequipments[2],[3]11(a)(b)1123452GB1000881989GB/T135479218~609518~555121[1]mm18~6018~55P5P50P95P5P50P95158316781755148415701659kg485975425266128113671455119512711350··2[1]mm18~6018~55P5P50P95P5P50P954164474783834134423103433762773063337778348927127648186737307896076577073232233.14435AADx′x′Ay′BCMBM=lMx′Ay′222UVW+=1()()()()()22222222''''''Ubldxxylalxxdyblc=−−++−−⎡⎤−++−−⎣⎦()()()()22222222''''''Vblyxylalyxdyblc=−++−+⎡⎤−++−−⎣⎦()2'Wdlbly=−0.50.450.40.350.30.250.2m11.11.21.31.41.51.6m4yy'CDBMAabcdtxolx'5Mxoy5AxoyxAyAxx′··tMxoyxy()()()()()()()()'cossin'sincosAAAAxxxtyytyxxtyyt=−+−⎫⎪⎬=−−+−⎪⎭2(2)1xy6(),,,,,,,,,0AAfxyxyabcdlt=3(3)88MMix,Miyi=1,2,,838[4]3.25cm70~90°90~125°6a63°b100°a(a)(b)63.321=2EIωIω15~30cm6~12kg[5]3.42P95P5420~750N7F1=Gi/hF2=F1··M=F2lsin(t)M=Glisin(t)/hi/hi/hlMtt=π/6l=170mm,i/h=1/311.8N.m~21N.m50[5]50rpm21N.m50rpm110W50~200W[5]F1F2lMNGhi73.5P95P5[6]28P95P5P95P589515516516916917091.151.11.0510.9511.11.21.31.41.51.6mm155165169011690217093.6··1101(a)10[4]4[1].[M].:,2004.12,2431.[2].[J].,2003,(7):4244.[3],.[J].,2004,31():1719.[4],.[M].:,1997.104106,455484.[5][].()[J]..,1996,(7):2327.[6],.[J].,2003,24(2):132136.··