The invention provides a main blade folding and fixing device which comprises a bottom supporting rod system connected with a longitudinal beam at the bottom of a helicopter belly; the transverse supporting rod is connected with one end of the bottom supporting rod system; one end of the blade supporting rod system is connected with the transverse supporting rod, and the other end of the blade supporting rod system is connected with a helicopter blade; meanwhile, the invention further provides a helicopter. The device provided by the invention is used for fixing the front folding blade of the helicopter, and when the helicopter is transported by a certain type of transporter, the main blade of the helicopter cannot collide with the inner wall of a cabin of the transporter under II-level limiting overload, so that the strength and rigidity design requirements are met; the whole fixing device also considers the convenience of disassembly and assembly, and is convenient for daily use and maintenance.

    本申请提供了一种主桨叶折叠固定装置,所述装置包括:底部支撑杆系,与直升机机腹底部纵梁连接;横向支撑杆,与所述底部支撑杆系的一端连接;桨叶支撑杆系,所述桨叶支撑杆系的一端与所述横向支撑杆连接,所述桨叶支撑杆系的另一端与直升机桨叶连接;同时,本申请还提供了一种直升机;利用本申请提供的装置对直升机前折叠桨叶进行固定,该型直升机通过某型运输机运输时,直升机主桨叶在II级限动过载下,主桨叶不会磕碰运输机机舱内壁,满足强度与刚度设计要求;整个固定装置还考虑了拆装的便利性,便于日常使用维护。


    Access

    Download


    Export, share and cite



    Title :

    Main blade folding and fixing device and helicopter


    Additional title:

    一种主桨叶折叠固定装置和直升机


    Contributors:
    TIAN ZHONGQIANG (author) / WANG PENGFEI (author) / CAO DONGBO (author) / ZHANG RUICHEN (author)

    Publication date :

    2024-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge / B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS



    Helicopter main blade folding and fixing device

    TIAN ZHONGQIANG / WANG PENGFEI / CAO DONGBO | European Patent Office | 2023

    Free access

    Main rotor blade fixing assembly for unmanned helicopter

    CHEN LUODAN | European Patent Office | 2021

    Free access

    Helicopter blade folding mechanism

    BAI XUEGANG / SUN TAO / ZHANG RUIFANG et al. | European Patent Office | 2022

    Free access

    Helicopter blade folding apparatus

    PETERSON ERIC / SCHWEITZER JEREMIAH / ANDERSON ZACHARY | European Patent Office | 2019

    Free access

    HELICOPTER BLADE FOLDING APPARATUS

    PETERSON ERIC / SCHWEITZER JEREMIAH / ANDERSON ZACHARY | European Patent Office | 2016

    Free access