多轴汽车轴荷分配和转移的计算方法研究-王兴东(1)

第21卷第3期湖　北　工　业　大　学　学　报2006年6月Vol.21No.3　JournalofHubeiUniversityofTechnologyJun.2006[]2006-03-15[](50575166).[](1970-),,,,,:.[]1003-4684(2006)06-0165-03王兴东1,杨　波2,邹光明1(1武汉科技大学机械自动化学院,湖北武汉430081;2武汉理工大学汽车工程学院,湖北武汉430070)[　],,;5,,.[];;;[]U463.23[]:A　　、.,()[1,2].,15(),,.,.[3-5]().,,;、、,[6],..5,;,..1　,.,.,:;;;Mw;、,.2,(、)Pk;q;Mk=HskMska　(k=1,2,…,m).(1):a,m/s2;Mskk,kg;Hskk,m.(Ci)Ki=2KSiKTKSi+KT　(i=0,1,…,n-1),(2)KSiKTi,N/m.,2(a)n,[7].,2(b)n,[7](5).Mw,,.2　5.,72%,:3(a);3(b)3(c),P0、P1P2M,P0=Ms1g,M=Ms1aHs1,P1=-(Ms2aHs2+Ms2g(Ls1-Ls0))/Ls1=　-(Fa2Hs2+Gs2(Ls1-Ls0))/Ls1,P2=-(-Ms2aHs2+Ms2gLs0)/Ls1=　-(-Fa2Hs2+Gs2Ls0)/Ls1.(3):Ms1Ms2,kg;g,m/s2;Hs1、Hs2,m;Ls0、Ls1Ⅱ(1)Ⅰ,m.,,EI.5.,.,5A、B(14).:,,0.34～0.35MPa.5,5,14.1　5　　　　N16420661482602622513555429055077339632392504064042943032058322695273212486523697199670984001.0785e+5298198990781.0684e+531.0148e+51.005e+5993194963341.0117e+59498851.0531e+51.0185e+5919932　5　　mA1.2011.150B1.2421.171166湖　北　工　业　大　学　学　报2006年第3期　3　5m　　　A、BA0.0510.0560.0550.0410.0170.0210.021-0.00170.011B0.0710.0760.0670.0410.0170.0210.021-0.00170.011　　1,.2A、B.3A、B,,.3A、B,,,,、.3　1),5.2)5,,,(5),.3),.[　　　　　][1]　.(2)[M].:,1998:67-68.[2]　L.[M].,.:,1985:154-268.[3]　　,,　.[J].,1996,18(1):20-25,19.[4]　,,　.[J].,2000,22(3):214-216.[5]　.[D].:,2005.[6]　　.[D].:,2004.[7]　.()[M].:,1994:254-427.ComutingMethodsforDistributionandTransferofMulti-axleVehicles′VerticalAxleLoadsWANGXing-dong1,YANGBo2,ZOUGuang-ming1(1CollegeofMechanicsandAutomation,WuhanUniv.ofSci.andTechnology,Wuhan430081,China;2SchoolofAutomobileEngin.,WuhanUniv.ofTechology,Wuhan430070,China)Abstract:Multi-axlevehicles′structuralfeaturesandtheverticalaxleloadsarethoroughlyanalyzedandstudied.Onthebasisofthephysicalmodelsofrigidbodyandcontinuousbeamwithelasticabutments,themathematicalmodelsforcalculatingtheverticalloadsofmulti-axlevehiclesaresetup.Theverticalloadsof5-axlevehiclearegainedwiththemodels.Comparedwiththeexperimentalresult,thevalidityofthesetwomodelsarediscussed.Keywords:multi-axlevehicle;verticalaxle;loadmechanicalmodel;testanalyze[:]167　第21卷第3期　　　　　　　　　　王兴东等　多轴汽车轴荷分配和转移的计算方法研究