The invention belongs to the technical field of helicopter rotors, and provides a coplanar moving ring and fixed ring assembly which comprises a moving ring assembly, a large spherical hinge assembly, a fixed ring assembly and a large bearing. The movable ring assembly, the large bearing and the fixed ring assembly are arranged on the same plane; wherein the movable ring assembly is of a disc structure with a through hole in the middle, and the large spherical hinge assembly is arranged in the through hole in the middle of the movable ring assembly; the large bearing sleeves the outer side of a disc of the movable ring assembly; the movable ring assembly is in interference fit with an inner ring of the large bearing; the fixed ring assembly is of an annular structure and installed on the outer side of the large bearing, and the fixed ring assembly is in transition fit with the outer ring of the large bearing. An adapter assembly is arranged on the disc face of the movable ring assembly, and one end of the variable-pitch pull rod is connected to the adapter assembly. The movable ring and the fixed ring are in the same plane, the total height of the movable ring and the fixed ring is obviously lower than that of a conventional movable ring and fixed ring assembly, arrangement of the overall space of a helicopter is facilitated, and the control linear system has the advantage of being large in rigidity.

    本发明属于直升机旋翼技术领域,提供了一种共面的动环不动环组件,包括动环组件、大球铰组件、不动环组件和大轴承;动环组件、大轴承和不动环组件设在一个平面上;其中,动环组件是中间具有通孔的圆盘结构,大球铰组件设在动环组件中间的通孔内;大轴承套在动环组件的圆盘外侧,动环组件与大轴承的内圈过盈配合;不动环组件为圆环形结构安装在大轴承的外侧,不动环组件与大轴承外圈为过渡配合;动环组件的盘面上设有转接头组件,变距拉杆的一端连接在转接头组件上。本发明的动环和不动环在一个平面内,动环不动环总高度明显低于常规的动环不动环组件,有利于直升机总体空间的布置,并且具有操纵线系刚度大的特点。


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    Title :

    Coplanar moving ring and fixed ring assembly


    Additional title:

    一种共面的动环不动环组件


    Contributors:
    ZHANG FEI (author) / LI YONGXIN (author) / LI XIN (author) / LU YUHUI (author) / YANG GUANGYONG (author)

    Publication date :

    2023-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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