The invention relates to the field of unmanned aerial vehicles, and discloses an unmanned helicopter which comprises a rack, a power system and an undercarriage, the two ends of two front vertical rods and the two ends of two rear vertical rods of the rack are connected with upper longitudinal rods and lower longitudinal rods respectively, the front portions of the front vertical rods form front portions, the rear portions of the rear vertical rods form rear portions, and middle portions are formed between the front vertical rods and the rear vertical rods; an engine, a speed reducer, a horizontal transmission shaft, a reversing mechanism and a rotor wing in the power system are sequentially connected, the engine and the speed reducer are located in the middle of the rack, and a front oil tank and a rear oil tank are connected with the engine and located on the front portion and the rear portion of the rack respectively. The tilting mechanism is connected with the engine and used for enabling the engine to tilt so as to achieve tensioning and separation and reunion of the engine and a speed reducer belt, and then connection and separation and reunion of the engine and the rotor wings are achieved. The rear end of the engine is rotatably connected to the two lower longitudinal rods through a tilting frame, and the front end of the engine is fixed to the rack through a tilting mechanism. The unmanned helicopter fuselage frame is simple, reliable, compact in overall structure and reasonable in layout.

    本发明涉及无人机领域,公开了一种无人直升机,包括机架、动力系统、起落架,所述机架的两个前竖杆、两个后竖杆两端分别连接上纵杆与下纵杆,前竖杆前方形成前部,后竖杆后方形成后部,前竖杆与后竖杆之间形成中部;所述动力系统中发动机、减速器、水平传动轴、换向机构、旋翼依序连接,所述发动机、减速器位于机架中部,所述前油箱、后油箱均连接发动机,分别位于机架前部与后部;所述倾转机构连接发动机用于使发动机倾转,以实现发动机与减速器皮带的涨紧和离合,进而实现发动机与旋翼的连接与离合;所述发动机后端通过倾转架可旋转地连接于两个下纵杆,前端通过倾转机构固定于机架。该无人直升机机身框架简单可靠,整体结构紧凑,布局合理。


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    Title :

    Unmanned helicopter


    Additional title:

    一种无人直升机


    Contributors:
    ZHANG WU (author) / FENG CHENGYAO (author) / ZHANG ZHIWEN (author) / LI DINGDING (author)

    Publication date :

    2025-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64U / B64C AEROPLANES , Flugzeuge / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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