The invention relates to the technical field of underwater vehicles, and discloses a dual-drive foldable coaxial propeller device which comprises a fairing, a first motor, a second motor, a front blade and a rear blade, the first motor, the second motor, the front blade and the rear blade are coaxially arranged in the fairing, the arrangement directions of the first motor and the second motor are opposite, an output shaft of the first motor is connected with the front blade, an output shaft of the second motor is connected with the rear paddle, the rotation direction of the front paddle is opposite to that of the rear paddle, and the arrangement direction of the front paddle is opposite to that of the rear paddle; the tail end of an output shaft of the second motor is connected with a rear propeller hub, the rear propeller blades are rotatably connected to the rear propeller hub, a rear propeller blade reset piece is arranged between the rear propeller hub and the rear propeller blades, and the two ends of the rear propeller blade reset piece are connected with the rear propeller hub and the rear propeller blades respectively. The dual-drive foldable coaxial propeller device has the advantages that the structure is simple, the operation is stable, the control is easy, the propulsive force of the aircraft can be greatly improved during acceleration propulsion, the navigation resistance can be reduced during low-speed cruise, and the navigation efficiency is improved.
本发明涉及水下航行器技术领域,公开了一种双驱动可折叠共轴螺旋桨装置,包括导流罩以及同轴地设置于导流罩内的第一电机、第二电机、前桨叶和后桨叶,第一电机和第二电机的设置方向相反,第一电机的输出轴与前桨叶连接,第二电机的输出轴与后桨叶连接,前桨叶与后桨叶的旋转方向相反,且前桨叶与后桨叶的设置方向相反;第二电机的输出轴末端连接有后桨毂,后桨叶可转动地连接在后桨毂上,后桨毂与后桨叶之间设有后桨叶复位件,后桨叶复位件的两端分别与后桨毂和后桨叶相连。采用本发明,具有结构简单、运行稳定、易于控制,既能在加速推进时大大地提升航行器推进力,又能在低速巡航时减小航行阻力,提高航行效率的优点。
Dual-drive foldable coaxial propeller device
一种双驱动可折叠共轴螺旋桨装置
2021-06-11
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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