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1、1302R橡胶履带拖拉机改进设计摘要本设计为1302R型橡胶履带拖拉机总体布置进行的改进设计，需要满足新型转向装置、新型行走机构和改进的变速器布置的要求，对操纵机构进行布置，满足人机工程的要求。改进后的1302R橡胶履带拖拉机将更加的符合用户的要求，经济性，稳定行都有所提高。橡胶履带拖拉机较轮式和金属履带拖拉机有明显的优势：1、良好的技术经济性2、更大的机动性和可靠性3、良好的操纵舒适性鉴于此，橡胶履带拖拉机的前途非常乐观。作为农业生产的大国，尤其是中国的农机制造商，应关注橡胶履带拖拉机的发展方向，积极研
2、究，缩短与国际先进水平的差距，开发适合中国使用水平、经济购买能力、生产和制造水平的新型农业拖拉机。此次改进设计便是朝此方向发展。在本次改进设计中，绘制了牵引特性曲线，计算了整机质心位置并进行了人机工程的研究，整个设计满足任务书要求。关键词：总体设计，改进，橡胶履带拖拉机，牵引特性28The1302Rrubbercaterpillartractorimprovesthedesign
AbstractThisdesignistheimprovementdesignwhichthe1302Rrubbercate
3、rpillartractorgeneralarrangementcarrieson,needstosatisfythenewdivertingdevice,newwalkstherequirementwhichtheorganizationandtheimprovementtransmissiongearboxarranges,carriesonthearrangementtothecontrolmechanism,satisfiestheman-machineprojecttherequirement.
4、Aftertheimprovement1302Rrubbercaterpillartractorevenmorewillconformtouser'srequirement,theefficiency,thestablelineallwillhavetheenhancement.
Therubbercaterpillartractormorewheeledandthemetalcaterpillartractorhastheobvioussuperiority:
1st,goodtechnicaleffi
5、ciency2nd,biggermobilityandreliability3,goodoperationcomfortableness
Inviewofthis,therubbercaterpillartractorfutureis28extremelyoptimistic.Astheagriculturalproductiongreatnation,China'sfarmmachinerymanufacturer,shouldpayattentiontotherubbercaterpillartrac
6、torinparticularthedevelopmentdirection,thepositiveresearch,reduceswiththeinternationaladvancedleveldisparity,thedevelopmentsuitstheChineseuselevel,theeconomypurchasestheability,theproductionandthemanufacturelevelnewagriculturaltractor.Thisimprovementdesig
7、nthenisfacesthisdirectiontodevelop.
Inthisimprovementdesign,hasdrawnupthetractivecharacteristiccurve,hascalculatedtheentirecomputernatureheartpositionandhasconductedtheman-machineprojectresearch,theentiredesignsatisfiestheprojectdescriptionrequirement.
K
8、eywords:Systemdesign,improvement,rubbercaterpillartractor,tractivecharacteristic.
28目录前言...............................................................................6第一章橡胶履带的发展历史…………………………7§1.1国外橡胶履带拖拉机的发展……………………
