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1、本科生毕业设计本科毕业论文(20届)伸缩升降台升降系统设计专业:机械设计制造及其自动化摘要32--本科生毕业设计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。双铰接剪叉式升降台的设计是在原有的剪叉式升降台的基础上,运用现在的灵活性、安全性、经济性等指标;结构以能够满足
2、灵活性要求较高的汽车维修需要为前提,通过不同型号和响应福建达到满足物流、汽车维修等性能要求。通过对双铰接剪叉式升降台机构位置参数和动力参数的技术,结合具体实例,对机构中良种液压缸布置方式分析比较,并根据要求对液压传动系统个部分进行设计计算最终确定液压执行元件-液压缸,通过对叉杆的各项受力分析确定台板与叉杆的载荷要求,最终完成剪叉式液压升降台的设计要求。关键字:升降台;剪叉式;液压 Thedesignoftelescopicelevator'sliftingsystem32--本科生毕业设计AbstractThehydrauliclifttablesarecharacterized
3、bytheirheavyloading,ruggedconstruction,smoothrise,simpleoperationandeasymaintenance.Theyareapplicabletomid-airoperationandtransportinginfactories,warehousesandrailwaystationsandsoon.Thispaperintroducestheworkcharacteristicsandthehydraulicsystemofthelifttablesofwithtwinscissors2trusssupport.In
4、tegratedhydraulicsystem(IHS)offersmanyadvantagesincludingreducedconnectors,sizeandcomplexity,andenhancedflexibilityforinstallationandmaintenance.Itprovidesacleaner,leak-free,lessvibrantandmorereliablesolutiontodifficultmachinecontrolsystemproblems.Double-hingedscissorsliftsinthedesignofthepre
5、viouslyscissorsliftsonthebasisofthepresentapplicationflexibility,security,economicandotherindicators,structuralflexibilitytomeethigherrequirementsofvehiclemaintenancetheneedforpremise,andtheresponsebydifferentmodelstomeetFujianlogistics,vehiclemaintenance,andotherperformancerequirements.Throu
6、ghthedouble-hingedscissorsliftsPositionparameterandthedynamicparametersoftechnology,combinedwithspecificexamples,theagencyimprovedinthehydrauliccylinderlayoutanalysisandcomparison,andinaccordancewiththerequirementsofpartofahydraulicsystemdesignandcalculationoffinalPressureimplementationcompon
7、ents-hydrauliccylinder,throughanalysisofthefork-definedplateandfork-loadrequirements,thefinalcompletionofscissorshydraulicliftsthedesignrequirements.KeyWords:Cageassembly;Scissorsforksaredyadic;Hydraulicpressure目录32--本科生毕业设计第1章绪论11.1升降机的发展简史1