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采用单向顺序阀的平衡回路实验装置设计论文[带图纸].doc

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采用单向顺序阀的平衡回路实验装置设计论文[带图纸].doc

本科毕业设计论文题目采用单向顺序阀的平衡回路实验装置设计系别机电信息系专业机械设计制造及其自动化班级学生学号指导教师2013年5月I采用单向顺序阀的平衡回路实验装置设计摘要随着科学技术的不断发展,液压传动作为一种可以传递动力和控制的传动方式,已经日益广泛应用到医疗、科技、军事、工业自动化生产、起重、运输、矿山、建筑、航空等各个领域。液压基本回路是液压传动系统的有机组成部分,它指的是能实现某种特定功能的液压元件的组合。任何液压系统都是由一些基本回路组成的1。本文对采用单向顺序阀的平衡回路实验装置的设计进行了详细的介绍。首先,分析了平衡回路的原理,在此基础上,总结出此次设计采用单向顺序阀平衡回路的系统原理图其次,根据液压传动相关理论进行数据计算,选择合适的液压元件,阐述了实验台、油箱、液压站动力装置的设计及管路与管接头的选择最后,对本次设计的实验台装置进行性能验算,主要包括压力损失验算和系统温升校核。进而完成整个实验装置的所有设计。关键词液压液压基本回路平衡回路实验台IIUsingaonewayvalvesequenceinbalancecircuitofexperimentdevicedesignAbstractAlongwiththescienceandtechnologydevelopment,thehydraulictransmissiontookasawayofthattransmitthepowerandthecontroltypeofdrive,alreadywidelyappliedinmedical,technical,themilitary,theindustrialautomationproduction,liftsheavyobjects,thetransportation,themine,thebuilding,theaviationandsoon.Thehydraulicpressurebasiccircuitisthehydraulicsystemorganicconstituent,andthatisreferscanrealizesomekindofstipulationfunctionhydraulicpressurepartcombination.Allofthehydraulicsystemiscomposedbysomebasiccircuit.Thisarticlecarriedoutadetailedanalysisofthedesignationaboutusingaonewayvalvesequenceinbalancecircuitofexperimentdevicedesign.Firstofall,thispaperanalyzesthebalancecircuittheory,onthisbasis,summarizedtheusingaonewayvalvesequenceinbalancecircuitschematicdiagramSecondly,accordingtothehydraulictransmissionrelatedtheoryfordatacalculation,selecttheappropriatehydrauliccomponents.thispaperexpoundsthelaboratoryfurniture,fueltanks,hydraulicstationofpowerplantdesignandtheselectionofpipelineandpipejointFinally,onthedesignofexperimentaldeviceforperformanceevaluation,mainlyincludingthepressurelosscalculationofthesystemcheckthesystemstemperaturerise.ThenIcompletedalloftheexperimentdevicedesign.KeyWordsHydraulicpressureHydraulicpressurebasiccircuitbalancecircuitlaboratorystageIII目录1绪论.......................................................................................................................11.1前言.....................................................................................................................11.2题目背景.............................................................................................................11.3研究意义.............................................................................................................21.4国内外相关研究情况.........................................................................................21.5本文主要研究内容.............................................................................................32液压系统设计分析...........................................................................................52.1液压系统的组成.................................................................................................52.2液压系统设计的要求及步骤.............................................................................52.2.1液压系统设计要求......................................................................................52.2.2液压系统设计步骤......................................................................................52.3系统工况分析.....................................................................................................62.4系统方案确定.....................................................................................................62.5平衡回路实验装置功能原理设计.....................................................................72.5.1平衡回路概述..............................................................................................72.5.2单向顺序阀平衡回路分析..........................................................................72.5.3单向顺序阀的平衡回路原理图拟定..........................................................73液压系统参数设计及元件选型...................................................................93.1液压缸设计.........................................................................................................93.1.1液压缸工作压力..........................................................................................93.1.2液压缸主要结构尺寸..................................................................................93.1.3液压缸结构设计.......................................................................................133.1.4液压缸所需流量计算................................................................................153.2控制元件的选型..............................................................................................153.2.1各类阀规格型号........................................................................................153.2.2液压阀安装连接方式................................................................................163.3辅助元件选型..................................................................................................163.3.1油管选用及计算........................................................................................163.3.2管接头........................................................................................................173.3.3液压油........................................................................................................183.3.4滤油器........................................................................................................183.3.5空气滤清器................................................................................................18IV3.3.6液位计........................................................................................................184液压站设计.......................................................................................................194.1液压泵装置.......................................................................................................194.1.1液压泵安装方式........................................................................................194.1.2液压泵设计选型........................................................................................194.1.3驱动电机选型............................................................................................204.1.4电动机与液压泵联接方式........................................................................204.1.5联轴器选型................................................................................................204.2油箱设计...........................................................................................................224.2.1油箱有效容积确定....................................................................................224.2.2油箱外形尺寸............................................................................................224.2.3油箱结构设计............................................................................................234.3液压控制装置...................................................................................................245实验台面板结构设计....................................................................................255.1概述...................................................................................................................255.2实验台组件设计...............................................................................................255.3实验台面板结构设计.......................................................................................255.3.1实验台面板结构........................................................................................255.3.2液压元件布局............................................................................................255.3.3确定油孔位置与尺寸................................................................................265.3.4绘制实验台面板相关图............................................................................266液压系统性能验算及组装调试与故障处理..........................................266.1压力损失验算...................................................................................................276.1.1工作进给时进油路压力损失....................................................................276.1.2工作进给时回油路压力损失....................................................................286.2系统温升估算...................................................................................................286.3液压系统安装...................................................................................................306.3.1液压元件的检查........................................................................................306.3.2液压元件和管道的安装............................................................................306.4液压系统调试...................................................................................................316.5系统常见故障的诊断.......................................................................................317结论.....................................................................................................................32参考文献...................................................................................................................27致谢.......................................................................................................................34

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