大型油缸冲击试验台结构总体设计

中南大学本科毕业论文（设计）题目大型油缸冲击试验台结构总体设计学生姓名指导教师专业班级机电工程试验班完成时间2013.5.28中南大学本科论文（设计）摘要I摘要根据企业的需要，本课题通过比较已有的中小型油缸试验台，对油缸冲击试验台进行设计，使其可用来测试大型油缸的性能、寿命等各项参数指标。此实验台要求可实现最大缸径280mm、试验长度0.3～8m及试验压力3～70MPa的工况，可承受最大推力4300kN，最大拉力2500kN，其主要包括主机、液压系统和电控系统三大部分，而课题侧重的是主机的结构设计，其用于安装被测油缸并承受试验所产生的推力和拉力。本文对主机的方案进行分析和比较，并确定选用中间受力的设计方案。主要对主机的主机构、运动机构、主机架、试验工装进行了详细设计。出于安全方面考虑，本文还对试验台主要部件进行了强度校核，这为试验台的设计和优化提供了一个参考。关键词：油缸冲击试验台结构设计中南大学本科论文（设计）摘要IIAbstractComparingtheexistingsmallandmedium-sizedcylindertest-beds,alongandlarger-sizedcylindertestplatform,whichisusedtotestthevariousparameterindexoflongandbig-sizedcylinder,suchastheperformanceandlife,isdesignedtosatisfytherequirementsofenterpriseinthispaper.Theworkingconditionsthattheplatformisrequiredtoachieveincludethemaximumcylinderdiameter(250mm),thetestpressure(from0.3mto8m),andthetestpressure(from3MPato70MPa).Inaddition,theplatformshouldwithstandthemaximumthrust(4300kN)andtension(2500kN).Thetestplatformmainlyconsistsofmainbody,hydraulicpressuresystem,andelectric-controllingsystem,andthemainfocusofthissubjecthereisthestructuraldesignofthemainbody,whichisusedtoinstallthecylindertestedandwithstandthrustandtensiongeneratedduringthetest.Firstly,thepaperanalysesandcomparestheimplementationalternativesofthemainbody,anddeterminetochoosethedesignschemeofreceivingstressintheirmiddleparts.Andthen,adetaileddesignaboutthemainbodywouldbegin,suchasthemainmechanism,themovementmechanism,themainframe,andthetestequipment.Finally,forsafetyreasons,theintensitycheckingofthecriticalpiecesiscarriedoutinthispaper.Keywords:cylinderimpulsetestplatformstructuraldesign中南大学本科论文（设计）摘要III中南大学本科论文（设计）i目录摘要...............................................................................................................................................Abstract...........................................................................................................................................II第1章绪论.....................................................................................................................................11.1液压及油缸试验台的发展................................................................................................11.2液压油缸实验台国内外现状............................................................................................21.2.1国内现状................................................................................................................21.2.2国外现状................................................................................................................51.3液压油缸平台的发展趋势................................................................................................71.4课题来源、要求及意义...................................................................................................71.4.1课题来源...............................................................................................................71.4.2课题要求...............................................................................................................71.4.3课题意义...............................................................................................................81.5本课题的主要内容...........................................................................................................9第2章大型油缸试验台方案选择及结构设计...........................................................................102.1油缸试验方法.................................................................................................................102.1.1试验装置.............................................................................................................102.1.2测量准确度.........................................................................................................102.1.3试验用油液.........................................................................................................112.1.4试验项目和试验方法.........................................................................................112.2大型油缸试验台方案选择.............................................................................................132.2.1仿韩国福临型试验台..........................................................................................132.2.2中间受力型试验台..............................................................................................142.3结构设计.........................................................................................................................162.3.1大梁的设计.........................................................................................................172.3.2圆锥销及锥套的设计.........................................................................................192.3.3活动轴的设计.....................................................................................................212.3.4主机构拉紧螺栓及铰接螺母设计.....................................................................24中南大学本科论文（设计）ii2.3.5焊接件的设计.....................................................................................................272.4试验台的装配及功能介绍..................................................................................