三缸汽车发动机的曲轴平衡与振动测试

:(1946),,:10061355(2000)05001503,,(,200030):,,,,:;;;:U462.3+3;TB53:A1,,,,,,V,V,,,,,,,12(V),:,();,,,,4000römin,;,,,,,,,,,,,,,,,,,,,51,1:23:23,L=1.3645MmaxFmax,,448.9Nm40230N,(L=1.36),4L5L133.4Nm10010N,:Gm=70.28%Gm=75.12%(L=1.05),,Gm=55.45%Gm=60.23%3,,,,6200010566,1;2;3,500römin,5,6,,,10%20%,,4,,,,,63,1,40%,,,,51),,,;2),(),;3),,[1].[M].:,1978.[2],.[J].,1985,(2).[3],.[J].,1991.[4].[M].,1985.TheCrankBalanceandVibrationMeasurementonaThree-CylinderCarEngineYuQi2xiangWangMing2wuDaiJian2fei(ShangHaiJiaotongUniversity,Shanghai200030)Abstract:Inthisarticle,thevibrationofathree2cylinderengineequippedoncarsisdiscussed.Afterthetheoreticalanalysisandpracticalmeasurements,weimprovedthebalancecharacteristicsaccordingtoruleofover2balancing.Meanwhile,thepositionofsupportingandtherigidityoftheshockabsorberareadjusted.Asaresult,thevibrationintensityofthissetisgreatlyreducedandhasreachedtheanticipantlevel.Keywords:over2balancing;balancecharacteristic;isolatorvibrationintensity71