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加速度过载模拟实验台设计说明书.doc

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加速度过载模拟实验台设计说明书.doc

南昌航空大学科技学院士学位论文1目录一前言1.1选题的意义..........................................................................................................11.2国内外发展状况................................................................................................21.3论文的主要内容..................................................................................................31.4本设计的特点...................................................................................................4二实验台的方案设计与选择2.1原始数据及技术要求...........................................................................................52.1.1待测发动机数据...............................................................................................52.1.2实验台技术参数...............................................................................................52.1.3转台运动控制...................................................................................................52.2总体方案的设计..................................................................................................52.2.1方案1................................................................................................................52.2.2方案2................................................................................................................72.2.3方案3................................................................................................................82.3方案选择.............................................................................................................102.3.1方案的特点......................................................................................................102.3.2各方案之间的比较与选择.............................................................................12三设计计算和校核3.1电动机的选择.................................................................................................133.1.1选择电动机类型和结构型式..........................................................................133.1.2选择电动机的容量.........................................................................................133.1.3确定电动机转速..............................................................................................143.1.4电动机的安装.................................................................................................153.2V带的选择与计算.............................................................................................163.2.1传动方式的比较和选用..................................................................................163.2.2计算.................................................................................................................163.3V带轮的设计......................................................................................................193.3.1V带轮设计的要求...........................................................................................193.3.2带轮的材料......................................................................................................203.3.3结构尺寸..........................................................................................................203.3.4V带轮的形状和尺寸设计...............................................................................203.4联轴器的选择和校核.........................................................................................213.4.1用途..................................................................................................................213.4.2特点与选择.....................................................................................................213.4.3校核..................................................................................................................223.5轴承的选择.........................................................................................................223.5.1概述..............................................................................................................22南昌航空大学科技学院士学位论文23.5.2特点与选择......................................................................................................223.6键的选择和校核.................................................................................................233.6.1概述..................................................................................................................233.6.2旋转平台与被动带轮的键的选择和校核......................................................243.7旋转平台的设计与校核....................................................................................243.7.1概述.............................................................................................................243.7.2旋转平台的设计与校核计算..........................................................................25四零部件的外形结构设计4.1总体装配图.........................................................................................................314.1.1图形..................................................................................................................314.1.2基本数据..........................................................................................................314.2支撑定架............................................................................................................324.2.1图形..................................................................................................................324.2.2基本数据..........................................................................................................324.3定轴.....................................................................................................................334.3.1图形..................................................................................................................334.3.2基本数据...................................................................................................334.4旋转平台........................................................................................................344.4.1图形...............................................................................................................344.4.2基本数据...................................................................................................344.5轴承半盖......................................................................................................354.5.1图形...........................................................................................................354.5.2基本数据...................................................................................................354.6集流环套......................................................................................................364.6.1图形...........................................................................................................364.6.2基本数据.....................................................................................................364.7集流环接头....................................................................................................374.7.1图形...........................................................................................................374.7.2基本数据...................................................................................................374.8安装圆板......................................................................................................384.8.1图形...........................................................................................................384.8.2基本数据...................................................................................................38五润滑方式的对比及选择5.1润滑油和润滑脂的比较.....................................................................................395.2润滑剂的选择....................................................................................................39六夹紧方案的设计与选择6.1工件的夹紧的要求.............................................................................................406.2方案的比较........................................................................................................406.2.1方案1..............................................................................................................40南昌航空大学科技学院士学位论文36.2.2方案2...............................................................................................................416.2.3两种方案的比较..............................................................................................42小结..................................................43致谢..................................................44参考文献...............................................45摘要随科技的进步,世界各国对导弹的机动性能要求越来越高,但导弹在过载飞行过程中的受力比较复杂,为保证导弹产品的质量和可靠性,不会在机动过载飞行中失效,因而需要一种地面模拟装置,模拟导弹发动机飞行的过载。所以设计了发动机过载模拟实验台。发动机过载模拟实验台是通过传动系统使固定在旋转架上的发动机转动而产生离心力,在过载情况下测试其某些性能参数的变化情况的机器。通过离心机可以实现发动机内的弹道参数、离轴加速度、壳体应变以及温度等的测量。根据上述思想和原理,围绕方案的可行性、工艺制造的简捷性以及尽可能的低成本方面考虑,最后得出现行方案。本设计已通过生产部门确认,为此后的制造加工奠定了基础。关键词发动机实验旋转离心加速度设计南昌航空大学科技学院士学位论文4OverloadsimulationlaboratorybenchoftheengineAbstractWiththeadvancementsoftechnology,theworldofthemissilesmaneuverabilityincreasinglyhighdemand.However,themissilesareflyingoffcoursebytherelativelycomplex.Missileproductstoensurethequalityandreliability,tacticalnotoverloadfailureinflight,Asaresult,Needakindofgroundtoimitatethedevicewhichimitatetheguidedmissiletolaunchthemachineflightofovercarry。Therefore,Theoverloadsimulationlaboratorybenchoftheenginehasbeendesigned.Theoverloadsimulationlaboratorybenchoftheengineisthroughthetransmissionsystemmaketheenginewhichinstallattherotatorsshelftorotate,thatmaketheenginehasthecentrifugalforce,testsitscertainperformanceparameterchangeintheoverloadsituation.passleftschemingcanrealizelaunchmachineandleavethestalkacceleration,hulladaptstochangesandthediagraphthattemperaturewait.Accordingtotheabovethoughtandtheprinciple,revolvetheplanoffeasibility,craftmanufacturesimpleandasfaraspossiblelowcostaspectconsidered,finallyobtainsthepresentplan.Thisdesignconfirmedthroughtheproductiondepartment,andforhereafterthemanufactureprocessinghaslaidthefoundation.KeywordsTheengineExperimentRevolvesThecentrifugalaccelerationDesign

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