液压泵液压马达试验台

摘要I本科毕业设计（论文）液压泵与液压马达实验台液压系统的设计燕山大学2011年6月摘要液压泵和马达作为液压系统的动力元件和执行元件，是整个液压系统的心脏，它们的性能直接影响着整个液压系统的性能。因此液压泵、马达性能的精确测试有着非常重要的意义。液压泵和马达的性能测试是辨别产品优劣、改进结构设计、提高工艺水平、保证系统性能和促进产品升级的重要手段。本次设计就是通过测定液压泵液压泵、液压马达在给定外界情况下的排量、流量、容积效率等，检验液压泵和液压马达的是否合格。设计了液压泵与液压马达实验台液压系统，并对有关参数进行了计算，绘制了液压泵与液压马达实验系统原理图、泵站装配图、油箱的部件图、阀块零件图一系列相关立体图与二维图纸，为液压泵与液压马达实验台液压系统的设计奠定了理论基础。关键词液压泵；液压马达；液压系统燕山大学本科生毕业设计（论文）IIAbstractAsthepowercomponentsandtheactuatorcomponentsofhydraulicsystem,thehydraulicpumpandthemotoraretheheartoftheentirehydraulicsystem,ofwhichtheperformancedirectlyaffectstheentirehydraulicsystem`s.Therefore,thereisveryimportantsignificancetotesttheperformanceofhydraulicpumpsandmotorsaccurately.Theperformancetestisanimportantmeansofidentifyingproductstrengthsandweaknesses,improvingstructuraldesignandtechnologicallevel,ensuringsystemperformanceandpromotingproductupgrading.Thedesigninvolvedinthispapermainlydiscusseshowtotesthydraulictheeligibilityofpumpsandhydraulicmotorsbymeasuringdisplacement,flow,volumetricefficiencyofthehydraulicpump-hydraulicpump,hydraulicmotorswithgivenexternalconditions.Inthispaper,wedesignthehydraulicsystembenchofthehydraulicpumpandhydraulicmotor,andcalculatetherelatedparameters,drawseriesofthree-dimensionalmapsandtwo-dimensionaldrawingsofthehydraulicpumpandhydraulicmotor,includingSchematicexperimentalsystem,pumpstationassemblydrawings,partsdrawingsoftankandvalveblockpartsdiagrams,whichlayatheoreticalfoundationforthedesignofthehydraulicpumpandhydraulicmotorhydraulicsystembench.Keywordshydraulicpump;hydraulicmotor;hydraulicsystemIII目录摘要......................................................................................................................IIAbstract................................................................................................................II目录..................................................................................................................III第1章绪论........................................................................................................11.1课题背景...............................................................................................11.1.1国内外液压泵（马达）实验台发展状况.....................................11.1.2液压泵（马达）实验台未来发展趋势.........................................21.1.3存在问题.........................................................................................31.2本次设计的主要内容...........................................................................41.3本章小结...............................................................................................4第2章液压泵实验台液压系统的设计..........................................................52.1液压泵实验台工作原理........................................................................52.2被试泵及驱动电机的选择...................................................................62.3液压泵实验台的基本测试项目...........................................................62.3.1排量验证试验.................................................................................62.3.2效率试验.........................................................................................72.3.3变量特性试验.................................................................................72.3.4其它试验项目.................................................................................82.4液压泵性能表达式及参数...................................................................82.5本章小结...............................................................................................9第3章液压马达实验台液压系统的设计......................................................103.1液压马达实验台工作原理..................................................................103.2被试马达及主油泵的选择..................................................................113.3液压马达性能表达式及参数..............................................................113.3本章小结.............................................................................................12第4章液压元件的选择..................................................................................134.1液压泵实验台系统部分.....................................................................134.1.1被试泵、电机及联轴器的选择..................................................13IV4.1.2管道尺寸的确定...........................................................................144.1.3液压阀的选择...............................................................................184.2液压马达实验台系统部分..................................................................204.2.1被试马达、泵、电机及联轴器的选择.......................................204.2.2管道尺寸的确定...........................................................................204.2.3液压阀的选择...............................................................................204.3液压辅件的选择..................................................................................214.3.1空气滤清器的选择.......................................................................214.3.2液位液温计的选择.......................................................................224.3.3加热器的选择...............................................................................224.3.4泄油口球阀的选择...................................