The invention discloses a main rotor blade fixing assembly for an unmanned helicopter, and relates to the technical field of helicopters. The main rotor blade fixing assembly comprises a plurality of paddle bodies, a mounting frame and a power shaft, the paddle bodies are clamped into the mounting frame, an adjusting mechanism used for adjusting the deflection direction of the paddle bodies is mounted on the mounting frame, and the adjusting mechanism comprises a ball sleeve and a ball body; an air pump and a gas storage box are mounted on the mounting frame, and a lubricating mechanism for adding lubricating oil to the connecting part of the ball sleeve and the ball body is mounted on the mounting frame; and an anti-freezing mechanism for protecting the adjusting mechanism is mounted on the mounting frame. When the main rotor blade fixing assembly is used, the angle of the blade body 1 can be adjusted, lubricating oil can be evenly injected into the connecting portion of the ball sleeve and the ball body in the adjusting mechanism through mutual cooperation of all components in the lubricating mechanism, heated gas can be blown to the adjusting mechanism, and the adjusting mechanism can be prevented from being frozen.
本发明公开了一种无人直升机用主旋翼桨叶固定组件,涉及直升机技术领域。包括桨叶本体、安装架、动力轴,所述桨叶本体设置有多个,且多个所述桨叶本体均卡入所述安装架内,所述安装架上安装有用于调节所述桨叶本体偏转方向的调节机构,所述调节机构包括球套、球体;所述安装架上安装有气泵、气体存储箱,所述安装架上安装有给所述球套与所述球体连接部分加润滑油的润滑机构;所述安装架上安装有用于保护所述调节机构的防冻机构。本发明使用时,通过可调节桨叶本体1的角度通过润滑机构内各部件的相互配合,可对调节机构内的球套、球体连接的部分处均匀的注入润滑油,可将加热后的气体吹至调节机构处,能够防止调节机构结冰。
Main rotor blade fixing assembly for unmanned helicopter
一种无人直升机用主旋翼桨叶固定组件
2021-09-24
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |