The invention belongs to the technical field of helicopter design, and provides a coaxial helicopter and a rotor wing system thereof. The rotor wing system comprises an upper rotor wing assembly and alower rotor wing assembly, the upper rotor wing assembly comprises a first propeller hub and a first propeller blade, wherein one end of the first propeller blade is connected with the first propeller hub, and the other end of the first propeller blade tilts upwards; and the lower rotor wing assembly comprises a second propeller hub and a second propeller blade, wherein one end of the second propeller blade is connected with the second propeller hub and the other end of the second propeller blade tilts downwards. According to the rotor wing system of the coaxial helicopter provided by the invention, on the premise of ensuring that the first propeller blade and the second propeller blade do not have a propeller beating accident during high-speed maneuvering flight of the helicopter, the minimization of the distance between the first propeller disc formed during rotation of the first propeller blade and the second propeller disc formed during rotation of the second propeller blade is realized, and the safety coefficient and the stability of the helicopter during high-speed maneuvering flight are improved.
本发明属于直升机设计技术领域,提供了一种共轴直升机及其旋翼系统,旋翼系统包括上、下旋翼组件,上旋翼组件包括第一桨毂和一端与第一桨毂连接的第一桨叶,第一桨叶的另一端向上翘起,下旋翼组件包括第二桨毂和一端与第二桨毂连接的第二桨叶,第二桨叶的另一端向下翘起。本发明提供的共轴直升机的旋翼系统,在保证直升机高速机动飞行时第一桨叶和第二桨叶不会发生打桨事故的前提下,实现了第一桨叶旋转时所构成的第一桨盘和第二桨叶旋转时所构成的第二桨盘之间的间距的最小化,提高了直升机高速机动飞行时的安全系数和稳定性。
Coaxial helicopter and roto wing system thereof
一种共轴直升机及其旋翼系统
2021-03-26
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |
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