目录摘要...........................................................................................................................................IABSTRACT................................................................................................................................I1绪论.........................................................................................................................................11.1研究背景...............................................................................................................................11.2研究意义...............................................................................................................................11.4课题研究内容.......................................................................................................................21.5本章小结...............................................................................................................................22采摘机械臂的设计.................................................................................................................32.1机械臂的设计所选方案.......................................................................................................32.2具体方案...............................................................................................................................32.3夹持器结构设计...................................................................................................................62.4本章小结...............................................................................................................................73分拣装置总体方案分析.........................................................................................................73.1分拣方案的对比选用...........................................................................................................73.2工作原理...............................................................................................................................93.3结构分析...............................................................................................................................93.4分拣机的工艺参数分析.....................................................................................................103.5本章小结.............................................................................................................................114动力传输部件的选择与设计...............................................................................................114.1电动机的选择.....................................................................................................................114.2轴承的设计.........................................................................................................................124.3带传动.................................................................................................................................134.4总体校核计算.....................................................................................................................134.5本章小结.............................................................................................................................195苹果采摘分拣机构三维设计.........................................................