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1、毕业设计说明书手推式剪草机结构设计ofvisionYibinformationintheCentersurroundedby,organicdispersionbandofbead-spacelayoutstructure,asleadingdevelopmentofthecitytotheEastalongtheYangtzeRiver.ShiGuarea,lingangnewvisiontoexpand,NaxidistricttotheNorth,theEastopenplacestoexpand,Jianganeastwardconnection,PingShan,radi
2、ationtotheWest;theSouthBankarea,theminjiangRiverarea,GoldenSandsareaonalong-termbasisinareasonablespacetodevelop,perfecturbandistrictalongtheYangtzeRiverinYibin"Ribbonmulti-center"strategicvisionofspaceframe.YibinCenterCitydevelopmentconstructionsteeringextensiontypeextendedandconnotationtypeu
3、pgradesimultaneouslyofmode,inMetroconstructionofwhileiscommittedtooldcitytransformationandbuiltdistrictofperfect,throughliveandindustrywithtoofreasonablelayoutoptimizationcitystructure,improvecitytrafficoperationefficiency;vigorouslyimprovedcityenvironment,shapingcityfeatures,upgradecityqualit
4、y,playcityofservicefunction,formedhasperfectmodernservicecapacityofbigcity.Constructionofurbangreenspacesystem,promotingtheconstructionofperipheralgreenspaceandprotectionofhistorical-1-毕业设计说明书目录摘要-1-关键词-1-ABSTRACT-1-1技术任务书-1-1.1设计的依据-1-1.2产品的用途及使用范围-1-1.3主要技术指标和重要技术参数-2-1.3.1该手推式剪草机的总体设计参数-2-1
5、.3.2该手推式剪草机的刀具设计参数-2-1.4主要工作原理-2-1.5国内外研究现状-3-1.5.1国内外发展概述-3-1.5.2常见的剪草机械分类-4-1.5.3常见几种剪草机械剪草原理-5-1.6已经考虑过的若干方案的比较-6-1.6.1手推式剪草机的工作设计方案-6-1.6.2其他工作设计方案的比较-6-1.7关键问题及其解决办法-8-1.7.1增速机构的设计选择-8-1.7.2几种增速方式的实现比较-8-1.8机构的功能及特点-10-1.9机构设计与用户的一致性分析-11-2.设计计算说明书-12-2.1设计方案论证-12-2.1.1手推式剪草机的设计原理-12-2.1.
6、2方案的选择-12-2.2齿轮的计算部分-13-2.2.1机构的动力计算-13-2.2.2齿轮设计思路及要求-14-2.2.3.齿轮设计过程-15-2.3轴的计算部分-19-2.3.1手推式剪草机中轴1的设计-19-2.3.2手推式剪草机中轴2的设计-22-2.4刀具的设计计算部分-25-2.4.1刀具的概述-25-ofvisionYibinformationintheCentersurroundedby,organicdispersionbandofbead-spacelayoutstructure,asleadingdevelopmentofthecitytotheEastal
7、ongtheYangtzeRiver.ShiGuarea,lingangnewvisiontoexpand,NaxidistricttotheNorth,theEastopenplacestoexpand,Jianganeastwardconnection,PingShan,radiationtotheWest;theSouthBankarea,theminjiangRiverarea,GoldenSandsareaonalong-termbasisinareason