机械毕业设计（论文）-28马力轮式拖拉机最终传动及驱动轴设计.pdf

1 28 !"#$%&'()*+,*-./ 01 !"#$%&'(")*+,-./01")2#3(")4,56 ")783(92:56;<=>?***@0A&B3"CDE%FGH'(? 3(IJ73KLMNOPQRST(UVWX2YRZ[\]^_2`a IJbcdef2g<IJhijklm7nop2qr !".sGH, \]ts2u'(&Bvwx2y2z^_{|}29x2~2 !2" #$A%&'2$3"C*+'(73; !"()*+,3K,-&.; /012'34567823K`a9:;<2=>\?******@kA,B CD/E2F_3GH6,I#9JK !"******@LMN:OPCQ,HR b8\]eS7TU?***@U !"******@BC, !"LMYZ2 [\]******@U^BCQ,_`abcd2ef29Jg1 !"hijb? kAbl_2m0nopA&Aq7 rsm0#m0n,t6uEvwx_2y,z;#{_|efm0n ,m052u}. !"}~gH,***@017 X- !,#"/28g1 !",rsm02X#;,#UpU$* %&'(&"/rsm02)#;+*+,-)7#;-&rsm0 !& .2/<0{ !126R23/k4 !"82'9CA56,01Jj7 !"1m052U$*2'(&"2,-) !"#$%153893706 2 DESIGNOF FINALDRIVEANDDRIVESHAFTOF28 HPTRACTOR ABSTRACT Tractorwithavarietyofechanicaloperationssupportingdynamic self-propelledmachinery, agriculture,hemainlyused fortraction and driving pletetheformof townshipenterprises,expandingexchangesbetweenurbanandruralareas,road transportvolumeincreaseddramatically, years,withthetractorintothefieldcontinuestodeepen,fromthetypesof operationsbyfarming,harrows,sowingtoharvestingexpansion,plowing, planting,Spray,bundledinmanyaspects,suchas,theformofmatching :work environmentwasquitepoor,plex,speedisnothigh. InChina'scurrentproductionmodel,themajorityoftheneedsofpeasantsor smalltractors,onthedomesticmarketstallsinthedemandforproducts comparedtotheagriculturaleconomic benefits prices ofsimilarforeign products onlyhalforevenless,andtherefore,munityofsmalland medium- layoutvaried. ponentofoneofits functionsistofurtherincreasethedrivetransmissionratio,sothatthetractor was driven. Mycurrentdesignare 28horsepowerwheeledtractorsthefinaldrive, Iused theexternalGear-,thedesigncanmeet there