03 Lesson+2+Airframe+Construction--直升机的基本组成课件讲解.pptx

制作：吴成宝广州民航职业技术学院Theprincipalunitsoftheairframeofahelicopter直升机机身的基本组成《TechnicalEnglishforAircraftStructureRepair》飞机结构维修专业英语

1.Whatisahelicopter？Ahelicopterisatypeofrotorcraftinwhichliftandthrustaresuppliedbyrotors.Thisallowsthehelicoptertotakeoffandlandvertically,tohover,andtoflyforward,backward,andlaterally.直升机是一种旋翼飞机，其升力和推力是由螺旋桨提供的。这允许直升机垂直起飞和着陆，能够悬停，并向前，向后，横向飞行。

2.Whatisairframe？The?structural?parts?of?a?helicopter?are?called?the?airframe.?直升机的结构零件被称之为机身（框架）。

3.TheprincipalunitsoftheairframeofahelicopterHelicopterairframesconsistofthefuselage,mainrotorandrelatedgearbox,tailrotor(onhelicopterswithasinglemainrotor),andthelandinggear.直升机的机身结构是由机身，主旋翼和相关齿轮箱，尾桨（只有单个主旋翼的直升机）和起落架。

Themainpartsofthehelicopter

TheClassExercises1.Theairframeofahelicopterisgenerallyconsideredtoconsistof()principalunits.4 563

TheClassExercises2.机身结构 AirframeFuselagelandinggearStabilizer

TheClassExercises3.齿轮箱 AirframeGearboxlandinggearStabilizer

TheClassExercises4.起落架 AirframeFuselagelandinggearStabilizer

TheClassExercises5.螺旋桨 AirframeFuselageRotorStabilizer