摘要剪叉式液压举升机作为一种上下运输的装置，主要用于抬升重物，在很多领域都有应用。由于其结构简单、工作稳定和维修方便等优点，被广泛应用于车站、机场等设施的维修中，但目前缺乏完整的理论分析方法。本课题主要对其特点进行理论分析、结构设计，液压缸的布置，液压系统设计，主要参数的确定，对其关键部位进行计算与校核。对其部件进行设计计算和强度校核，通过优化结构设计来验证结构设计的合理性。关键词：剪叉式，液压升降机，结构设计，优化AbstractAsakindofdeviceforupanddowntransportation,thehydrauliclifterismainlyusedforliftingheavyobjects,whichhasbeenusedinmanyfields.Duetoitsadvantagesofsimplestructure,stableworkandconvenientmaintenance,ithasbeenwidelyusedinthemaintenanceofstations,airportsandotherfacilities,butthereisnocompletetheoreticalanalysismethodatpresent.Thisprojectmainlycarriesouttheoreticalanalysis,structuraldesign,layoutofhydrauliccylinder,designofhydraulicsystem,determinationofmainparameters,calculationandverificationofitskeyparts.Thedesigncalculationandstrengthcheckofthecomponentsarecarriedouttoverifytherationalityofthestructuraldesignbyoptimizingthestructuraldesign.KeyWords:Shearforktype,hydrauliclift,structuraldesign,optimization目录摘要..........................................................................................................................................IIAbstract.....................................................................................................................................III目录........................................................................................................................................IV第1章绪论...............................................................................................................................11.1升降机在生产和生活中的作用和意义.......................................................................11.2升降机国内研究发展情况...........................................................................................11.3升降机国外发展现状和发展趋向...............................................................................31.4课题来源.......................................................................................................................4第2章剪切式液压升降机的结构设计方案……………………………………………….62.1剪切式液压升降机的概述及组成...............................................................................42.1.1剪切式液压升降机的概述................................................................................82.1.1剪切式液压升降机的组成................................................................................82.3剪切式液压升降机的特点及应用...............................................................................42.2.剪切式液压升降机的原理...........................................................................................42.4剪叉式液压升降机的结构设计方案...........................................................................42.4.1升降机结构的设计............................................................................................42.4.2剪叉式液压升降机的结构设计方案................................................................42.4.3升降机机构中液压缸布置方式........................................................................42.5本章小结.........................................................................................
