The invention provides a turnable helicopter air inlet channel structure, and belongs to the technical field of helicopter structural design, the structure comprises a front support frame, a rear support frame, a left fixed cover, a right fixed cover, a movable cover, a lower air inlet channel, an air inlet channel support assembly and an air inlet net assembly, the air inlet channel is divided into an upper part and a lower part, wherein the upper air inlet channel is integrated on the movable cover, the upper section and the lower section are pressed and sealed through the P-type sealing ring, the air inlet net assembly is connected to the movable cover in a screwed mode, and the left side of the movable cover is connected with the left fixed cover; the right side of the movable cover is connected with the right fixed cover through a front hinge assembly and a rear hinge assembly. The front and the back of the movable cover are connected with the front support frame and the back support frame; the interior of the front side of the movable cover is connected with the front supporting frame; the air inlet channel supporting assembly, the lower air inlet channel, the front supporting frame, the rear supporting frame, the left fixing cover and the right fixing cover are riveted to form a stable frame structure. The device is simple in structure, convenient to mount and maintain, reasonable in stress form, safe, reliable and capable of solving the problems of maintainability and safety of the rear cabin engine of the power cabin.

    本发明提供一种可翻开式的直升机进气道结构,属于直升机结构设计技术领域,该结构包括:前支撑框,后支撑框,左固定罩,右固定罩,活动罩,下进气道,进气道支撑组件,以及进气网组件,本构型进气道被分成上下两部分,其中上进气道集成在活动罩上,上、下两段之间通过P型密封圈进行压紧密封,进气网组件螺接在活动罩上,活动罩左侧与左固定罩连接;活动罩右侧通过前铰链组件和后铰链组件与右固定罩连接;活动罩前、后与前支撑框、后支撑框连接;活动罩前侧内部与前支撑框连接;进气道支撑组件、下进气道、前支撑框、后支撑框、左固定罩和右固定罩相互之间铆接成一个稳定的框架结构。本发明结构简单,安装和维护方便,受力形式合理,安全可靠,可以解决动力舱后舱发动机存在的维护性和安全问题。


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    Title :

    Helicopter air inlet channel structure capable of being turned over


    Additional title:

    一种可翻开式的直升机进气道结构


    Contributors:
    LI YUANFENG (author) / LUO PENG (author) / WAN XINLING (author) / XU HENAN (author)

    Publication date :

    2025-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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