B737NG_起落架.ppt

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1、ATA32起落架landinggear0概述Summary起落架在飞机静止或滑行时起支撑飞机重量的作用737NG为前三点式的油气减震支柱的起落架。Landinggearinthestaticorslidingplanewhentheroleofsupportingtheweightof737ngfortricycleoilandgasshockstrutofthelandinggear.空地系统Clearingsystem主起和主起舱门TheLordandmasterthedoors前起和前起舱门Sincebeforeth

2、edoorandbefore分系统subsystem起落架收放系统Keepthelandinggearsystem液压刹车系统hydraulicbrakesystem前起转弯系统Beforeturningonthesystem起落架位置指示警告系统Landinggearpositionindicatorwarningsystem1维护实践Maintenancepractice起落架安全销的安装Landinggearsafetypininstallation为防止外力将起落架解锁，飞机停放在地面时需安装起落架安全销。Inor

3、dertopreventexternalforceswillunlockthelandinggear,theplaneparkedinthegroundneedtoinstalllandinggearsafetypin.234空地系统Clearingsystem空地系统介绍Clearingsystemisintroduced空地系统主要部件Space,themaincomponentsofthesystem5空地系统介绍Clearingsystemisintroduced空/地系统提供空/地离散信号给飞机各个系统：Empt

4、y/tothesystemtoprovidetheempty/todiscretesignaltotheplaneeachsystem:起落架转换活门Landinggearconversionvalve起落架位置指示和警告系统Landinggearpositionindicatorandwarningsystem减速板放出指示系统Reductionplatereleaseindicatorsystem起飞警告系统Departurewarningsystem舱门警告系统Doorswarningsystem空/地继电器air/

5、groundrelay67空地系统主要部件Space,themaincomponentsofthesystem前起压缩传感器Beforethecompressionsensor左主起压缩传感器Beforethecompressionsensor右主起压缩传感器TherightmaincompressionsensorPSEU空/地继电器air/groundrelayPSEU（近地电门电子组件)故障灯troublelight8主起压缩传感器TheLordoncompressionsensor简介每个主起落架上的两个主起压缩传

6、感器为空/地系统提供主起减震支柱的压缩位置信号Eachmainlandinggearonthetwomainupcompressionsensorisempty/tothesystemtoprovidethemainupshockstrutcompressionpositionsignal位置主起压缩传感器位于主起外筒下部区域。靶标位上扭力臂的两侧，并由连杆连接到主起的外筒TheLordoncompressionsensorislocatedinthemaintheouterbarrellowerarea.Atargeto

7、nbothsidesofthetorquearm,andtheconnectingrodconnectedtotheLordontheouterbarrel工作原理operatingprinciple当主起落架压缩时，靶标临近传感器，信号提供给PSEUWhenthemainlandinggearcompression,targetnearsensor,signalprovidePSEUPSEU探测到一个传感器失效时，传感器的状态被默认为远离靶标PSEUdetectiontoasensorfailure,thesensors

8、tatewasthedefaultisawayfromthetarget910前起落架压缩传感器Nosegearcompressionsensor简介两个前起的压缩传感器给空/地系统提供前起减震支柱的压缩位置信号Twoformerupcompressionsensortoempty/beforethes