高空作业车抬升液压支架设计说明书[带图纸].doc

图书分类号TD402密级公开毕业设计论文高空作业车抬升液压支架设计THEDESIGNOFUPLIFTHYDRAULICSUPPORTOFAERIALVEHICLES学生姓名鲁建学院名称机电工程学院专业名称机械制造及其自动化指导教师陈跃2008年6月2日徐州工程学院毕业设计论文I徐州工程学院学位论文原创性声明本人郑重声明所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用或参考的内容外，本论文不含任何其他个人或集体已经发表或撰写过的作品或成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标注。本人完全意识到本声明的法律结果由本人承担。论文作者签名日期年月日徐州工程学院学位论文版权协议书本人完全了解徐州工程学院关于收集、保存、使用学位论文的规定，即本校学生在学习期间所完成的学位论文的知识产权归徐州工程学院所拥有。徐州工程学院有权保留并向国家有关部门或机构送交学位论文的纸本复印件和电子文档拷贝，允许论文被查阅和借阅。徐州工程学院可以公布学位论文的全部或部分内容，可以将本学位论文的全部或部分内容提交至各类数据库进行发布和检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。论文作者签名导师签名日期年月日日期年月日徐州工程学院毕业设计论文II摘要本文主要以GKZ型高空作业车上、下臂结构为研究对象，对上、下臂进行结构和该车上的液压系统进行设计。主要分两部分进行阐述，其一根据高空作业车的最大作业高度10米，在满足作业高度的前提下，进行高空作业臂的结构设计首先根据使用要求选择作业臂材料的类型其次根据最大作业高度确定上、下臂的长度再经过受力分析利用强度来确定臂的截面尺寸及油缸的铰接位置再进行强度、刚度、稳定性的校核，查看作业臂的尺寸是否符合要求。对施加均布载荷和约束，进行结构的强度和刚度分析，确定危险截面或危险点的应力分布及变形。最后画出作业臂总装图及上、下臂零件图。而液压控制部分主要是指控制上下臂变幅运动的液压缸。文中详细记录了高空作业机构上臂液压缸和下臂液压缸的设计过程。在确定液压系统元件参数的基础上，完成了液压传动系统的设计计算。关键词高空作业车结构设计液压传动系统设计液压缸徐州工程学院毕业设计论文IIIAbstractInthispaper,toGKZhighaltitudevehicles,underthearmtostudythestructureoftheupperandlowerarmtothevehiclestructureandthedesignofthehydraulicsystem.Mainlyconductedintwopartson,highaltitudevehiclesunderoneofthelargest10metershighdegreeofoperating,tomeetthehighdegreeofoperatingunderthepremiseofahighaltitudeoperationsarmofthestructuraldesignFirst,theuseofoperatingarmaskedtochoosethetypeofmaterialandsecondlyinaccordancewiththelargestOperatinghighlydetermined,underthearmlengthanotheruseofforceanalysistodeterminethestrengthofthearmsectionsizeandlocationofthefueltankofthehingedfurtherstrength,stiffness,thestabilityofcheckingtoseewhetherthesizeoftheoperatingarmtomeettherequirements.Toimposeuniformloadingandconstraints,structuralstrengthandstiffnessanalysis,riskordangerpointcrosssectionofthestressanddeformation.Finallydrawoperatingarmandhand,armpartsundertheplans.AndhydrauliccontrolofthemainlyreferstocontrolthemovementfromtoptobottomarmChangehydrauliccylinders.Inadetailedrecordoftheagenciesoperatingathighaltitudeupperarmhydrauliccylindersandhydrauliccylindersunderthearmofthedesignprocess.Indeterminingtheparametersofthehydraulicsystemcomponents,basedonthecompletionofthehydraulicsystemdesignandcalculation.Keywordshighaltitudevehiclesstructuraldesignhydraulicsystemdesignhydrauliccylinders徐州工程学院毕业设计论文I目录1绪论.............................................................................................................................................11.1高空作业车的概况及其发展方向.......................................................................................11.2高空作业车的组成..............................................................................................................11.2.1工作机构.......................................................................................................................21.2.2金属结构.......................................................................................................................21.2.3动力装置.......................................................................................................................21.2.4控制系统.......................................................................................................................31.3GKZ型高空作业车的概况.................................................................................................31.3.1整机结构简介................................................................................................................31.3.2高空作业臂....................................................................................................................41.3.3作业车作业状态主要技术参数...................................................................................41.4课题的提出..........................................................................................................................51.5本课题所要研究的具体任务..............................................................................................51.6本课题研究的意义..............................................................................................................62高空作业车的结构设计.............................................................................................................72.1材料的选择..........................................................................................................................72.2计算上、下臂的长度..........................................................................................................82.3确定油缸铰点的位置..........................................................................................................92.3.1确定上臂油缸铰点的位置...........................................................................................92.4上臂截面尺寸的确定..........................................................................................................92.4.1对上臂进行受力分析...................................................................................................92.4.2计算上臂截面尺寸.....................................................................................................102.4.3对上臂进行强度校核.................................................................................................122.5下臂截面尺寸的确定........................................................................................................152.5.1对下臂进行受力分析.................................................................................................152.5.2计算下臂的截面尺寸..................................................................................................162.5.3对下臂进行正应力校核..............................................................................................172.6连接处销轴尺寸的确定....................................................................................................203液压系统设计...........................................................................................................................213.1液压系统的构成................................................................................................................213.2液压系统设计概述.............................................................................................................213.3设计依据............................................................................................................................213.4主要机构简述....................................................................................................................21