机车柴油机检修液压升降台设计说明书.doc
本科学生毕业设计机车柴油机检修液压升降台设计院系名称:机电工程学院专业班级:机械设计制造及其自动化08-4班学生姓名:指导教师:职称:副教授黑龙江工程学院二一二年六月TheGraduationDesignforBachelorsDegreeLocomotiveDieselEngineOverhaulHydraulicLiftingPlatformDesignedCandidate:Specialty:ConstructionMachineryClass:08-4Supervisor:HeilongjiangInstituteofTechnology20012-06·Harbin黑龙江工程学院本科生毕业设计摘要液压升降平台具有载重量大,结构坚固,升降平稳,操作简单,维护方便等特点。适用于工厂,仓库,车站等需要高空作业,搬运的场所。本文介绍了剪叉式液压升降平台的液压系统和工作特性。液压系统采用液压阀集成配置,可以显著减少管路联接和接头,降低系统的复杂性,增加现场添加和更改回路的柔性,具有结构紧凑、安装维护方便、泄漏少、振动小、利于实现典型液压系统的集成化和标准化等优点。其次,文中介绍了同步阀在双缸同步系统中的应用,剖析了其工作原理。关键词:液压升降平台;液压系统;液压集成块;同步阀;同步系统黑龙江工程学院本科生毕业设计ABSTRACTThehydrauliclifttablesarecharacterizedbytheirheavyloading,ruggedconstruction,smoothrise,simpleoperationandeasymaintenance.Theyareapplicabletomid-airoperationandtransportinginfactories,warehousesandrailwaystationsandsoon.Thispaperintroducestheworkcharacteristicsandthehydraulicsystemofthelifttablesofwithtwinscissors2trusssupport.Integratedhydraulicsystem(IHS)offersmanyadvantagesincludingreducedconnectors,sizeandcomplexity,andenhancedflexibilityforinstallationandmaintenance.Itprovidesacleaner,leak-free,lessvibrantandmorereliablesolutiontodifficultmachinecontrolsystemproblems.Thenext,thispaperintroducesapplicationofthesynchronousvalveinhydraulicsynchronoussystem,analyzesitsworkprinciple.Keywords:hydrauliclifttables;hydraulicsystem;hydraulicmanifoldblock;synchronousvalvehydraulic;synchronoussystem