The invention provides a variable-diameter rotor wing device adopting a connecting rod driving mechanism, which comprises a transmission part, a rotor wing shaft, a propeller hub, a variable-pitch pull rod, a driving structure, a connecting rod transmission structure and a telescopic paddle, the transmission part is arranged in the rotor wing shaft and is connected with the rotor wing shaft through a bearing, and the propeller hub is connected with the rotor wing shaft; the telescopic paddle comprises a propeller hub, a torque rod and a paddle, the inner side of the torque rod is connected with the propeller hub, and the outer side of the torque rod is connected with the paddle through a spline; one end of the variable-pitch pull rod is connected to the torque rod; the connecting rod transmission structure comprises a first connecting rod and a second connecting rod, the first connecting rod is fixedly connected with the center shaft, the first connecting rod is connected with the second connecting rod, the second connecting rod is connected with the paddle, and the connecting rod transmission structure converts rotation of the transmission part into telescopic movement of the paddle on the torque rod. Control over stretching and retracting of the blades is completed through transmission of the connecting rod structure, and the diameters of the blades can be changed according to the flight state so that the aircraft can be in the optimal flight state.
本发明提供了一种采用连杆驱动机构的变直径旋翼装置,包括传动件、旋翼轴、桨毂、变距拉杆、驱动结构、连杆传动结构、可伸缩桨叶,传动件置于旋翼轴内部通过轴承与旋翼轴连接,桨毂与旋翼轴连接;所述可伸缩桨叶包括桨毂、扭矩杆和桨叶,扭矩杆内侧与桨毂连接,外侧通过花键与桨叶连接;所述变距拉杆一端连接在扭矩杆上;所述连杆传动结构包括第一连杆、第二连杆,第一连杆与中心轴固连,第一连杆和第二连杆连接,第二连杆与桨叶连接,连杆传动结构将传动件的转动转化成桨叶在扭矩杆上的伸缩运动。本发明通过连杆结构传动完成对桨叶进行伸缩的控制,可根据飞行状态改变桨叶直径从而使得飞行器处于最佳飞行状态。
Variable-diameter rotor wing device adopting connecting rod driving mechanism
采用连杆驱动机构的变直径旋翼装置
2022-11-29
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |
Variable-diameter blade for variable-speed rotor wing of helicopter
European Patent Office | 2024
|Flapping wing mechanism with variable rotor wing attack angle
European Patent Office | 2021
|European Patent Office | 2024
|NTIS | 1972
|