A manual locking and unlocking mechanism of a helicopter front wheel lock comprises a manual pin assembly, a connecting cap, a manual rod, a screw, a guide rod, an end cover, a shell and a piston, the piston and the shell are coaxially arranged, the end cover is arranged on the end face of the shell, the shell is in threaded connection with the end cover, a through hole is formed in the piston in the axial direction, and the connecting cap is arranged at the end, extending out of the end cover, of the piston. A through hole is formed in the axial direction of the connecting cap and communicated with the axial through hole of the piston, the manual rod is installed in the axial through hole of the connecting cap and the axial through hole of the piston in a sliding mode, the manual rod is provided with two pin holes in the radial direction, a through hole corresponding to the pin holes is formed in the radial direction of the connecting cap, and the manual pin assembly can axially limit the manual rod; a boss is arranged on the side face of the connecting cap, a mounting hole is formed in the boss in the axial direction of the connecting cap, a blind hole corresponding to the mounting hole in position is formed in the shell, the guide rod penetrates through the mounting hole in the connecting cap and extends into the blind hole in the shell to limit the connecting cap in the radial direction, and a screw is arranged in the mounting hole to limit the guide rod.

    一种直升机前轮锁手动上、下锁机构,包括手动销组件、连接帽、手动杆、螺钉、导向杆、端盖、壳体和活塞,活塞与壳体同轴设置,壳体端面设有端盖,壳体与端盖螺纹连接,活塞轴向方向设有通孔,活塞伸出端盖的一端设有连接帽,连接帽轴向方向设有通孔与活塞轴向通孔连通,手动杆滑动安装在连接帽与活塞的轴向通孔内,手动杆设有径向方向的两个销孔,连接帽径向方向设有与销孔对应的一个通孔,手动销组件可对手动杆进行轴向限位;所述连接帽侧面设有凸台,凸台沿连接帽轴向方向设有安装孔,所述壳体上设有与安装孔位置对应的盲孔,导向杆穿过连接帽上的安装孔伸入壳体上的盲孔内,对连接帽径向方向进行限位,安装孔内设有螺钉对导向杆进行限位。


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    Title :

    Manual locking and unlocking mechanism for front wheel lock of helicopter


    Additional title:

    一种直升机前轮锁手动上、下锁机构


    Contributors:
    PU QIANWANG (author) / LIU ZEMIN (author) / CHEN RENYI (author) / CHEUNG MANCHEE (author) / WANG FEI (author)

    Publication date :

    2025-03-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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