武汉理工大学毕业设计（论文）目录摘要..........................................................................2Abstract......................................................................3第一章绪论...................................................................41.1概述..................................................................41.2课题背景..............................................................41.3国内研究现状..........................................................41.4研究目的与意义........................................................41.5课题研究的内容........................................................5第二章实验台的设计思路与方案的选择...........................................62.1概述..................................................................62.2试验台的设计思想......................................................62.3试验台的最终方案确定..................................................7第三章加载缸各零部件的设计及验算.............................................83.1缸体组件..............................................................83.2法兰设计.............................................................113.3活塞设计.............................................................143.4活塞杆的设计.........................................................153.5活塞杆的导向、密封....................................................19第四章加载缸支承座的设计....................................................204.1方案连接部分的设计与选取.............................................204.2结构部分尺寸计算.....................................................20第五章液压系统的设计........................................................235.1液压系统图的拟定.....................................................235.2液压元件的选择.......................................................25结论....................................................................27参考文献....................................................................28致谢........................................................................291武汉理工大学毕业设计（论文）摘要多级举升油缸体是专用汽车结构中的一个主要部件，其性能好坏直接影响汽车整车的工作性能。多级举升油缸克服了现有技术中举升机利用单级油缸作为驱动系统，提升车辆至一定高度时，油缸本身及滑台的高度较高，导致整个装置稳定性较差，造成高成本的缺陷，采用多级举升油缸，结构简单稳定性能好，降低了制造成本。随着工业生产的发展，工业上大型机械越来越多，其质量也越来越大，对起重设备的要求也越来越高，统机械起重已不能满足工业的需要。工业上现在越来越多地使用液压起重设备，靠液压传动来满足大型机械的起重与安装本设计主要针对四级伸缩缸进行采举升油缸的性能试验。关键词：举升油缸；液压传动；性能试验2武汉理工大学毕业设计（论文）AbstractMulti-stageliftcylinderisaspecialpurposevehiclebodystructureofoneofthemaincomponents,itsperformancedirectlyaffectstheworkofautomobileperformance.Multi-stageliftcylinderslifttoovercometheexistingtechnologyastheuseofsingle-stagecylinderdrivesystem,upgradingthevehicletoacertainheight,thetankitselfandtheheightofahighslider,leadingtopoorstabilityoftheentiredevice,defectscausedbyhigh-cost,multi-stageliftcylinders,simplestructureandstableperformance,lowermanufacturingcosts.Withthedevelopmentofindustrialproduction,moreandmorelarge-scalemachineryindustry,itsqualityisalsogrowing,therequirementsforliftingequipmenthavebecomem...
