便携式样山核桃采摘机的设计.docx

便携式样山核桃采摘机的设计本科毕业设计(论文)题目：便携式样山核桃采摘机的设计学院：专业：班级：学号：学生姓名：指导老师：提交日期：便携式山核桃采摘机的设计学生姓名：指导老师：浙江工业大学机械工程学院摘要目前国内果蔬采摘作业基本以手工采摘为主，随老龄化和农业劳动力的减少，农业生产成本提高，发展机械化，特别是果蔬采摘机的研究，具有重要意义。本文设计的便携式山核桃采摘机，属于农业机械。山核桃采摘机包括电源、连杆机构、机壳、驱动装置、连接臂、上下拍爪，连杆机构由外管、内管和锁紧装置构成。外管内套接有可在外管内部伸缩的内管，外管右端与内管外壁连接处设有锁紧装置，内管右端与机壳左端固定连接，上拍爪左端与机壳右端上壳体铰接，下拍爪左端与机壳右端下壳体铰接，机壳内设有驱动装置，上下拍爪通过连接臂与驱动装置连接。关键词：便携式山核桃采摘机驱动装置上拍爪下拍爪连杆机构TheDesignofportablepecanpickingmachineStudent:Advisor:CollegeofEngineeringZhejiangUniversityofTechnologyAbstractAtpresent,theharvestoffruitandvegetableinChinaisbasicallybyhand.Withtheaging,thereducingofagriculturallaborforce,andtheincreasingofthecostofagriculturalproduction,thedevelopmentofmechanizationofharvest,especiallytheresearchonrobotsoffruitandvegetableharvest,hasagreatsignificance.Theportablepecanpickingmachinedesignedinthisthesisisakindofagriculturalmachinery.Thismachineemployspowersupplies,linkages,machineshells,drivingdevises,connectingarms,upperfingersanddownfingers.Thereinto,thelinkageismadeupofanouterpipe,aninnerpipeandalockdevice.Theflexibleinnerpipeisconnectedintheinnersurfaceoftheouterpipe.Lockdeviceisinthejointoftherightendofouterpipeandtheoutersurfaceoftheinnerpipe.Therightendofinnerpipeisfixedlyconnectedwiththeleftendofthemachineshell.Theleftendofupperfingerisarticulatedwiththeupperpartofthemachineshells,whiletheleftendofdownfingerisarticulatedwiththedownpartofthemachineshells.Themachineshellisequippedwithadrivingdevise.Theupperfingeranddownfingerareconnectedbyconnectingarms.Keyword:portablepecanpickingmachine;drivingdevise;upperfinger;downfinger;linkage目录摘要..............................................................................................................................................iAbstract...........................................................................................................................................ii第一章绪论...............................................................................................................................