The invention belongs to the technical field of aviation technologies, and particularly discloses a single-variable-pitch coaxial counter-rotating propeller for an unmanned aerial vehicle, a structural support comprises a base column, a bottom plate, a supporting column, a top plate, a bearing seat and bolts, the base column is fixedly mounted on the bottom plate through the bolts, a motor is arranged at the bottom of the bottom plate, and the motor and the bearing seat are fixedly mounted on the bottom plate through the bolts; a top plate is arranged at the top of the bottom plate, supporting columns are arranged between the bottom plate and the top plate, the two ends of each supporting column are fixedly connected with the bottom plate and the top plate respectively, a steering engine and a guide rail plate are arranged at the top of the top plate, and the top plate is fixedly installed with the steering engine and the guide rail plate through screws; a simple gear set is used for driving the coaxial counter-rotating propeller, the structure is simple, manufacturing is easy, and safety and reliability are achieved. According to the single variable-pitch mechanism, variable-pitch control is conducted on the rear propeller, and on the premise that the complexity and the weight of the system are controlled, the working efficiency of the whole power system, especially the rear propeller, is effectively improved.

    本发明属于航空技术技术领域,具体公开了一种用于无人机的单变距共轴反转螺旋桨,结构支撑包括底座柱、底板、支撑柱、顶板、轴承座、螺栓,底座柱通过螺栓与底板安装固定,底板的底部设置有电机,电机和轴承座通过螺栓与底板安装固定,底板的顶部设置有顶板,底板与顶板之间具有支撑柱,支撑柱的两端分别与底板和顶板固定连接,顶板的顶部设置有舵机和导轨板,顶板通过螺钉与舵机和导轨板安装固定;使用简单的齿轮组实现共轴反转螺旋桨的驱动,结构简单,易于制造,安全可靠;本发明的单变距机构针对后螺旋桨进行变距控制,在控制系统复杂度和重量前提下,有效提高了整个动力系统尤其是后螺旋桨的工作效能。


    Access

    Download


    Export, share and cite



    Title :

    Single-variable-pitch coaxial counter-rotating propeller for unmanned aerial vehicle


    Additional title:

    一种用于无人机的单变距共轴反转螺旋桨


    Contributors:
    LIU CONG (author) / SHENG WENTAI (author) / ZHANG SONG (author) / ZHANG ZONGWEI (author)

    Publication date :

    2023-07-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64U



    Variable-pitch structure for single-layer variable-pitch coaxial double-propeller unmanned aerial vehicle and control method

    CHU RUIZHONG / LIU PENGFEI / LING XIMING et al. | European Patent Office | 2024

    Free access

    Variable pitch propeller for unmanned aerial vehicle

    ZHOU DAN / HUANG YOU / LU GUOJING et al. | European Patent Office | 2024

    Free access

    Passive variable pitch propeller and propeller-driven unmanned aerial vehicle

    CHEN ZHIPING / LI GUANGJIA / LI XILE et al. | European Patent Office | 2021

    Free access

    Coaxial double-propeller unmanned aerial vehicle

    CHENG HONGYUAN / CHENG GUANGYUAN | European Patent Office | 2015

    Free access

    Coaxial six-propeller unmanned aerial vehicle

    HUANG JINGWANG | European Patent Office | 2023

    Free access