The invention discloses a coaxial dual-rotor aircraft with adjustable blade spacing, and relates to the field of unmanned aerial vehicles, the coaxial dual-rotor aircraft comprises an upper rotor system, a distance adjusting mechanism and a lower rotor system; the distance adjusting mechanism comprises an upper mounting plate and a lower mounting plate, the upper rotor system is mounted on the upper mounting plate, and the lower rotor system is mounted on the lower mounting plate; a connecting rod mechanism is arranged between the upper mounting plate and the lower mounting plate and is used for realizing axial relative displacement of the upper mounting plate and the lower mounting plate, so that the distance between the upper rotor system and the lower rotor system is adjusted; variable pitch mechanisms are arranged in the upper rotor system and the lower rotor system and are used for adjusting the periodic variable pitch angle and the total pitch angle of the coaxial dual-rotor aircraft; according to the invention, dynamic rotor spacing adjustment can be realized, good lift reserve can be ensured, and the energy consumption efficiency of the aircraft can be improved.
本发明公开了一种桨叶间距可调的共轴双旋翼飞行器,涉及无人机领域,包括:上旋翼系统、调距机构和下旋翼系统;所述调距机构,包括:上安装板和下安装板,所述上旋翼系统安装在上安装板上,所述下旋翼系统安装在下安装板上;所述上安装板和下安装板之间设有连杆机构,用于实现上安装板和下安装板的轴向相对位移,从而调节上下旋翼系统间距;所述上旋翼系统和下旋翼系统中均设置有变距机构,用于实现共轴双旋翼飞行器的周期变距角和总距角调节;本发明,能够实现动态旋翼间距调节,既能保证较好的升力储备,又能提高飞行器的能耗效率。
Coaxial dual-rotor aircraft with adjustable blade spacing
一种桨叶间距可调的共轴双旋翼飞行器
2024-01-26
Patent
Elektronische Ressource
Chinesisch
IPC: | B64U |
Coaxial dual-rotor aircraft and control method thereof
Europäisches Patentamt | 2023
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