The invention belongs to the field of aircraft structure design and particularly relates to an engine compartment structure of an unmanned aerial vehicle. The engine compartment structure comprises an engine, a butt joint flange, a front end frame, a lip assembly, a star-shaped tail frame and a cabin door, wherein the engine is mounted on a wing through a hanger; the butt joint flange comprises a first flange, a second flange and a butt joint flange web, and the first flange is connected with an air inlet channel of the engine; the front end frame comprises a front end frame web plate and a front end frame edge strip, and the front end frame web plate is connected with the second flange; the lip assembly comprises a lip inner side skin and a lip outer side skin, the lip inner side skin penetrates through the front end frame web to be connected with the butt flange web, and the lip outer side skin is connected with the front end frame edge strip; the star-shaped tail frame comprises a tail frame edge strip and tail frame stringers, the tail frame edge strip is of a non-full-circle structure, the multiple tail frame stringers are arranged on the inner side of the tail frame edge strip, and the tail frame stringers are connected with a tail end of the engine; and an upper end of the cabin door is connected with the hanger, a front end is connected with the front end frame edge strip, and a rear end is attached to the tail frame edge strip.
本申请属于飞机结构设计领域,特别涉及一种无人机发动机舱结构。包括:发动机、对接法兰、前端框、唇口组件、星形尾框、舱门。发动机通过吊挂安装在机翼上;对接法兰包括第一法兰、第二法兰,以及对接法兰腹板,第一法兰与发动机的进气道连接;前端框包括前端框腹板以及前端框缘条,前端框腹板与第二法兰连接;唇口组件包括唇口内侧蒙皮以及唇口外侧蒙皮,唇口内侧蒙皮穿过前端框腹板与对接法兰腹板连接,唇口外侧蒙皮与前端框缘条连接;星形尾框包括尾框缘条以及尾框桁条,尾框缘条为非整圆结构,尾框缘条的内侧设置有多个尾框桁条,尾框桁条与发动机的尾端连接;舱门的上端与吊挂连接,前端与前端框缘条连接,后端与尾框缘条贴合。
Engine compartment structure of unmanned aerial vehicle
一种无人机发动机舱结构
2021-10-26
Patent
Electronic Resource
Chinese
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |
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