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黑龙江工程学院本科生毕业设计I摘要谷物分离机就是用于清杂、精选和分级的粮食加工机械。各种不同类型的粮食清理机械利用不同的工作原理将粮食颗粒与杂质分离。粮食收获后，从外形相近的种子中间，将不成熟的、霉变的、被虫子咬的不合格的谷物及小石子杂质分离出来，这个过程通过谷物分离机实现，效果十分明显，谷物通过谷物分离机的分离之后增加了谷物的净度达到了人们所需要的精装谷物的要求。关键词谷物分离机、分级黑龙江工程学院本科生毕业设计IIAbstractGrainseparatorisusedforcleaning,classificationandgradingoffoodprocessingmachinery.Avarietyofdifferenttypesofgraincleaningmachinewithdifferentworkingprincipleswillfoodparticlesandimpurities.Grainharvest,fromtheshapesimilartotheseed,willnotmature,mildew,mothunqualifiedgrainandsmallstoneseparatingimpurities,thisprocessbygrainseparator,theeffectisveryobvious,grainbygrainseparatorseparationincreasesgrainclaritytowhatpeopleneedhardcovergrainrequirements.Keywordsgrainseparator,grading黑龙江工程学院本科生毕业设计目录摘要........................................IAbstract......................................II第1章绪论.................................11.1课题背景......................................................................................................11.2粮食加工机械的国内外发展历程..............................................................31.3精确高效谷物分离机的发展背景及现状..................................................51.4精确高效谷物分离机设计的主要工作......................................................7第2章精确高效谷物分离机的概况...................82.1精确高效谷物分离机的功用.......................................................................82.2精确高效谷物分离机的结构.......................................................................82.2.1滚筒...................................................................................................92.2.2链轮传动机构...................................................................................92.2.3减速电机...........................................................................................102.3精确高效谷物分离机具有的特点...................................................102.4本章小结.................................................................................................10第3章滚筒的设计.............................113.1滚筒的功能................................................................................................113.2滚筒的结构设计........................................................................................113.2.1筛网的选择.....................................................................................123.2.2滚筒的几何参数.............................................................................133.2.3链条的选择.....................................................................................143.3本章小结....................................................................................................14黑龙江工程学院本科生毕业设计第4章精确高效谷物分离机箱体的设计.......154.1箱体的设计.............................................................................................154.2底座的设计.............................................................................................154.3本章小结.................................................................................................15第5章精确高效谷物分离机传动设计与电机的选择..............................................165.1.1轴的设计.........................................................................................175.1.2轴承的选择.....................................................................................175.2链轮的设计.............................................................................................185.3电机的选择.............................................................................................185.4联轴器的选择........................................................................................195.5本章小结.................................................................................................22第6章精确高效谷物分离机的安装、维修与保养..............................................236.1精确高效谷物分离机的安装............................................................236.2精确高效谷物分离机的维修与调试..............................................236.3精确高效谷物分离机的保养............................................................24结论....................................25参考文献..................................26致谢....................................27
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