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I编号无锡太湖学院毕业设计(论文)题目:高空作业车的液压系统信机系机械工程及自动化专业学号:学生姓名:指导教师:(职称:教授)(职称:)2013年5月25日II无锡太湖学院本科毕业设计(论文)诚信承诺书本人郑重声明:所呈交的毕业设计高空作业车的液压系统设计是本人在导师的指导下独立进行研究所取得的成果,其内容除了在毕业设计中特别加以标注引用,表示致谢的内容外,本毕业设计不包含任何其他个人、集体已发表或撰写的成果作品。班级:机械91学号:0923046作者姓名:2013年5月25日III摘要高空作业车是用来运送工作人员和工作装备到指定高度进行作业的特种车辆,是将高空作业装置安装在汽车底盘上组成的。高空作业装置包括工作臂、回转平台、副车架、工作斗、液压系统和操纵装置等。现在的高空作业装置具有操作平顺、工作稳定、自动调速、安全可靠等优点,大大提高了空中作业的工作效率。高空作业车是利用汽车底盘作为行走机构,具有汽车的行驶通过性能,机动灵活,行驶速度高,可快速转移,转移到作业场地后能迅速投入工作,因此被越来越多的应用在工程建设、工业安装、设备检修、物业管理、航空、船舶、石化、电力、影视、市政、园林等许多行业,是近几年来国内发展最快的专用汽车产品之。关键词:高空作业车;液压系统;泵站IVABSTRACTAerialwordtruckisusedtotransportpersonnelandequipmenttothedesignatedspecialvehicleheightwork,istheaerialdeviceinstalledintheautomobilechassis.Aerialdevicecomprisesaworkingarm,rotatingplatform,sideframe,basket,hydraulicsystemandcontroldevice.Aerialdevicenowhastheadvantagesthattheoperationissmooth,stableoperation,automaticcontrol,safeandreliable,greatlyimprovingtheworkingefficiencyoftheair.Aerialvehicleistheautomobilechassisasarunningmechanism,hasthevehicleperformance,flexible,highspeed,fasttransfer,transfertothejobsitetoworkquickly,soitismoreandmoreusedinmanyindustryconstruction,industrialinstallation,equipmentmaintenance,propertymanagement,aviation,ships,petrochemical,electricity,television,municipal,gardens,isoneofthemostrapiddevelopmentinrecentyearsofdedicatedautomotiveproducts.Keywords:operatingvehicleheight;hydraulicsystem;PumpstationsV目录摘要.............................................................................................................错误!未定义书签。Abstract...........................................................................................................错误!未定义书签。目录.............................................................................................................错误!未定义书签。1绪论...........................................................................................................................................11.1引言.................................................................................................................................11.2高空作业车的发展概况...................................................................................................21.2.1概况.........................................................................................................................21.2.2国外趋势与动向.....................................................................................................31.3国内现状、差距与如何提高的方法...............................................................................41.3.1现状.........................................................................................................................41.3.2差距.........................................................................................................................41.4液压传动概况...................................................................................................................51.4.1液压传动的定义.....................................................................................................51.4.2液压传动的发展概况............................................................................................51.4.3液压传动系统的组成.............................................................................................51.4.4液压传动的优缺点.................................................................................................61.4.5液压系统的设计步骤与设计要求.........................................................................61.5课题简介...........................................................................................................................91.5.1选题的必要性..........................................................................................................91.5.2课题主要研究的内容及目的...............................................................................102设计要求.................................................................................................................................112.1总体设计要求.................................................................................................................112.2动作要求.........................................................................................................................112.3技术性能要求.................................................................................................................113确定设计方案...........................................................................................................................123.1总体设计方案.................................................................................................................123.2确定执行元件的形式.....................................................................................................123.3液压系统的设计步骤.....................................................................................................123.4整体设计结构图.............................................................................................................123.5液压系统.........................................................................................................................133.5.1液压系统工作原理...............................................................................................143.5.2液压系统原理图...................................................................................................154液压系统计算...........................................................................................................................164.1液压缸的设计计算.........................................................................................................164.1.1液压缸的最大载荷...............................................................................................164.1.2确定系统工作压力...............................................................................................21