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附录A外文文献
FarmMachineryUsingMaintenance
Themostimportantthingisthemeshingmarkandmeshingbacklashofthedrivenbevel
gearsandactivebevelgears,thefirmnessadjustmentofhalfaxlegearsandplanetarygear
inmaintenanceoftheBJ2020Sjeepdrivingaxle.Thisisanimportantanddifficult
job,becausetherearaxleanddrivenworkingunderthelargeloadandhighspeed.Andthe
bearisalternatingload.Ifthemeshingmarkisnotconformingtorequirementsorthe
meshingbacklashisnotgood,itwillappearsmoothtransmissionspeedandnoise,wear,or
evenbrokentoothgear,whichdirectlyinfluencesthecarservicelifeandvarioustasks
whenitisworking.Atthesametime,lordanddriventaperedgearmeshingmarkandthe
checkassemblyandadjustmentbecameacomplicatedproblemalthoughautomobile
drivingaxlestructureisnotaverycomplicatedbutsomepeopleisnotfamiliarwiththe
principleongeartransmission.Basedonyearsofteachingandpracticeinthemaintenance
workwiththeadjustmentofBJ2020Sjeepdrivingaxledifferentialgearsandbearingshas
somemethodandstepsoftherelevantviewsandcommentsaboutsomething.
ⅠAdjustmentoftheaxisgeardifferentialplanetarygearmeshclearance
Halfaxlegearsandplanetarygearmeshclearanceisadjustedbyhalfaxlegearsand
differentialshellthicknessbetweenthreedifferent(0.5mm,1.0mm,0.2mm)thrust
washers.Becauseoftheplanetarygeardifferentialbetweenshellwiththethrustwashers,
soitmustbethehalfaxlegearsthroughthethrustwashers(twohalfaxlegearsandadd,
subtractwashers),andthegapoftheplanetarygearmesh.Thenusingpinswillplanetary
gearaxlefixed.
ⅡAdjustmentofdifferentialbacklash
Thisbearingclearanceisadjusted
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