The invention discloses a helicopter propeller composite material blade in the field of composite material products, which is composed of a D-shaped crossbeam, an upper skin, a lower skin, a front edge skin, front edge foam, trailing edge foam, a trailing edge strip, a counterweight box, two blade tip caps and two blade root caps, and the D-shaped crossbeam, the upper skin, the lower skin, the front edge skin, the trailing edge strip, the two blade tip caps and the two blade root caps are all made of composite materials. According to the invention, the assembly workload and the assembly difficulty are reduced, the use of standard parts such as bolts is reduced, the precision of the aerodynamic configuration surface of the paddle is improved, the weight of the paddle is reduced, and the fatigue life of the paddle is prolonged.

    本发明公开了复合材料制品领域内的一种直升机螺旋桨复合材料桨叶,由D型大梁、上蒙皮、下蒙皮、前缘蒙皮、前缘泡沫、尾缘泡沫、后缘条、配重盒、两叶尖冒和两叶根冒组成,D型大梁、上蒙皮、下蒙皮、前缘蒙皮、后缘条、两叶尖冒、两叶根冒均为复合材料,配重盒为金属材料,本发明降低了装配工作量和装配难度,减少了螺栓等标准件的使用,提高了桨叶气动外形面的精度,减轻了桨叶重量,提高了桨叶的疲劳寿命。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Composite material blade of helicopter propeller


    Weitere Titelangaben:

    一种直升机螺旋桨复合材料桨叶


    Beteiligte:
    LI JUN (Autor:in) / WU CHANGFENG (Autor:in) / WANG XIANWEI (Autor:in) / WANG YINING (Autor:in) / CAO FEI (Autor:in) / CONG PENGYU (Autor:in) / KANG RUILIANG (Autor:in) / ZHANG CHEN (Autor:in) / YIN ZHENGCHAO (Autor:in)

    Erscheinungsdatum :

    2023-11-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64C AEROPLANES , Flugzeuge



    HELICOPTER TYPE AIRCRAFT PROPELLER BLADE (EMBODIMENTS)

    ZINNUROV NAIL RAMILEVICH / GUBAJDULLIN ILFAR KHAMITOVICH / ARSENTEV DMITRIJ ALEKSANDROVICH | Europäisches Patentamt | 2020

    Freier Zugriff

    Composite material propeller blade root

    HUANG XIAOZHONG / DU GANG / LU XIANXIAO | Europäisches Patentamt | 2024

    Freier Zugriff

    PROPELLER BLADE FOR HELICOPTER-TYPE AIRCRAFT (VARIANTS)

    ZINNUROV NAIL RAMILEVICH / GUBAYDULLIN IL'FAR KHAMITOVICH / ARSENT'EV DMITRIY ALEKSANDROVICH | Europäisches Patentamt | 2021

    Freier Zugriff

    Low-noise composite material propeller blade

    HU HAOZHONG / GONG HUASHUAI / MEI ZHIYUAN et al. | Europäisches Patentamt | 2022

    Freier Zugriff