The invention discloses a crossed double-rotor unmanned helicopter and a gear transmission system thereof. The gear transmission system comprises a first bevel gear set capable of achieving the powerreversing function. The first bevel gear set comprises a first driving bevel gear used for being connected with a power source, a first driven bevel gear meshed with the first driving bevel gear and afirst output shaft fixedly sleeved with the first driven bevel gear, and the axis of the first driven bevel gear is perpendicular to the axis of the first driving bevel gear. The two second bevel gear sets are symmetrically arranged on the two sides of the first bevel gear set, each second bevel gear set comprises a second driving bevel gear fixedly connected with the end of the first output shaft and a second driven bevel gear meshed with the second driving bevel gear, and the axis of each second driven bevel gear is not perpendicular to the axis of the corresponding second driving bevel gear; the two second output shafts are used for being in transmission connection with two rotor wings of the unmanned helicopter respectively, and the two second driven bevel gears are fixedly sleeved with the two second output shafts respectively. The structure is simplified, and the manufacturing cost is reduced.

    本发明公开了一种交叉双旋翼无人直升机及其齿轮传动系统,齿轮传动系统包括能够实现动力换向功能的第一锥齿轮组,第一锥齿轮组包括用于与动力源连接的第一主动锥齿轮、与第一主动锥齿轮啮合的第一从动锥齿轮、固定地内套于第一从动锥齿轮的第一输出轴,第一从动锥齿轮的轴线垂直于第一主动锥齿轮的轴线;对称设置第一锥齿轮组两侧的两个第二锥齿轮组,第二锥齿轮组包括与第一输出轴端部固定连接的第二主动锥齿轮、与第二主动锥齿轮啮合的第二从动锥齿轮,第二从动锥齿轮的轴线不垂直于第二主动锥齿轮的轴线;用于分别与无人直升机的两个旋翼传动连接的两个第二输出轴,两者分别固定地内套于两个第二从动锥齿轮。简化了结构,降低了制造成本。


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    Titel :

    Crossed double-rotor unmanned helicopter and gear transmission system thereof


    Weitere Titelangaben:

    交叉双旋翼无人直升机及其齿轮传动系统


    Beteiligte:
    LI JINGYANG (Autor:in) / WANG XIANYU (Autor:in) / YIN MINGWEI (Autor:in) / HAI RIHAN (Autor:in) / BAO CHANGCHUN (Autor:in)

    Erscheinungsdatum :

    2020-05-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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