The invention discloses a dual-redundancy undercarriage backup release device, which comprises: a rocker arm capable of retracting and releasing an undercarriage and a bracket with one end hinged to aretracting and releasing actuating cylinder, wherein the other end of the bracket is hinged to the rocker arm; and two driving units, two connecting rod assemblies, two pull handles arranged on the two sides of the bracket respectively and hinged to the other end of the bracket, and a cylindrical pin, wherein the two ends of the cylindrical pin are correspondingly and fixedly connected with one ends of the two pull handles respectively, the other ends of the two pull handles are hinged to one ends of the corresponding connecting rod assemblies respectively, the hinge positions are located onone sides of hinge shafts of the pull handles and the bracket, and the other ends of the connecting rod assemblies are hinged to the driving ends of the corresponding driving units respectively. The dual-redundancy undercarriage backup release device is simple in form, large in bearing capacity, direct in force transmission, few in connecting parts and convenient and fast to operate, so that the reliability of the backup device is higher.

    本发明公开了一种双余度起落架备份放装置,包括可使起落架收起和下放的摇臂、一端与收放作动筒铰接的支架,所述支架另一端与所述摇臂铰接,还包括两个驱动单元、两个连杆组件、分别设置于所述支架两侧并与所述支架另一端铰接的两个拉柄、两端分别与两个所述拉柄的一端对应固定连接的圆柱销,两个所述拉柄的另一端分别与对应的所述连杆组件的一端铰接且铰接位置位于所述拉柄与所述支架铰接轴的一侧,所述连杆组件的另一端分别与对应的所述驱动单元的驱动端铰接。本发明形式简单、承载能力大、传力直接、连接零件少、操作方便快捷,使应备份放装置可靠性更高。


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    Title :

    Dual-redundancy undercarriage backup device


    Additional title:

    一种双余度起落架备份放装置


    Contributors:
    XU DASHENG (author) / JIN JUN (author) / SUN JIYONG (author) / ZHANG HANGZHOU (author) / NING XIAODONG (author) / ZHONG SHENG (author) / LI ZHIYUAN (author) / ZHU XIAONING (author) / ZHANG CHENGLIANG (author) / LI ZHONGYU (author)

    Publication date :

    2021-03-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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