机车轮对轴承压装机液压系统设计VIP免费

本科毕业设计(论文)题目：机车轮对轴承压装机液压系统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导师2013年05月I机车轮对轴承压装机液压系统设计摘要轮对轴承压装机是用于铁路车辆滚动轴承压装的专用设备，适用于铁路车辆新造及检修时压装轴承，被广泛应用于各个路局车辆维修、车辆制造厂生产，其对国民生产有着重要的意义。现如今的铁路速度越来越快，对轴承的要求越来越高，而轴承的压装是铁路安全的关键。为了达到使原有轮对轴承压装机能够获得更可靠更优秀的性能，本次设计主要针对轮对轴承压装机进行设计，通过对轮对轴承压装机原有技术的改进（主要是液压系统的改进），实现对轮对轴承压装机轴承的准确压装，以便更进一步提高行车的安全性与平稳性。关键词：滚动轴承；压装；液压系统IILoaderhydraulicsystemdesignoflocomotivewheelsetbearingpressureAbstractWheelaxlepressureinstalledspecialequipmentforrailwayvehiclespressingthebearingpress-fitbearingssuitablefornew-buildingandmaintenanceofrailwayvehicles.Widelyusedinvariousrailwayadministrationsofitsgrossnationalproductofgreatsignificance.Itiswidelyused,andwidelyusedinvehiclefactories,vehiclesections,vehicleoverhaulingfactoriesandminerailcarcompaniesetc.Inthisthesis,itisaimedtodesignandimprovetheoriginalwhileaxlepressureinstalled(improvetheoriginaldesignofhydraulicpressuresystem)togetanewdevicehasreliableandexcellentproperty.Togetaaccuratepushmountingwiththewheelaxlepressureinstalled,inordertofurtherincreasethesecurityandsmooth.Keywords:Taperrollingbearing；Pushmounting；HydraulicpressuresystemIII目录1绪论..........................................................................................................................11.1背景及研究意义...............................................................................................11.2轴承简介...........................................................................................................21.3研究现状...........................................................................................................21.4本文研究内容...................................................................................................32轮对轴承压装机工作原理................................................................................42.1轮对轴承压装机的工作原理...........................................................................43液压系统的设计...................................................................................................63.1液压回路设计和回路工作原理分析...............................................................63.1.1顶对回路................................................................................................63.1.2送对回路................................................................................................73.1.3锁紧回路................................................................................................73.1.4伸套压装回路........................................................................................83.1.5液压系统原理图....................................................................................93.1.6该液压系统技术特点..........................................................................113.2液压系统工作要求.........................................................................................113.2.1液压传动系统的型式..........................................................................113.2.3轴承压装机的液压传动特点.......