The invention provides a single-rotor multi-propeller helicopter, a single rotor and a plurality of propellers are arranged in a transverse arrangement mode, the rotor is arranged on the gravity center of the top of a helicopter body, a cross beam is arranged on the gravity center of the top of the helicopter body, and the propellers are symmetrical about the longitudinal axis of the helicopter body and arranged on the left side and the right side of the cross beam respectively. On the condition that the rotating speeds are same and the rotor distances are same, the reaction torque of the rotor is counteracted with the reaction torque of the left first propeller and the right first propeller, and the reaction torque of the left second propeller and the left third propeller as well as the reaction torque of the right second propeller and the right third propeller are counteracted when the rotating speed and the propeller pitch are the same, and an engine or a motor is arranged to drive the rotor and the propellers respectively; the rotating surfaces of the rotors and the propellers are not overlapped and are horizontally arranged, the rotors control pitching, the propellers do not control pitching and only control heading and rolling, the undercarriage is arranged below the fuselage and close to the center of gravity, and the wide-range unmanned aerial vehicle is suitable for being applied to occasions needing wide-range operation, such as pesticide spraying and forest fire extinguishing.
一种单旋翼多螺旋桨直升机,单个旋翼和多个螺旋桨采用横列式布局,机身顶部重心上设置一个旋翼,机身顶部重心上设置横梁,多个螺旋桨对称于机身纵轴,分别设置在横梁左右两边,在转速相同、桨距相同时,旋翼的反扭矩和左边第一螺旋桨、右边第一螺旋桨的反扭矩相互抵消,在转速相同、桨距相同时,左边第二螺旋桨和左边第三螺旋桨,右边第二螺旋桨和右边第三螺旋桨的反扭矩相互抵消,设置发动机或电机驱动旋翼,分别驱动旋翼和螺旋桨,旋翼和螺旋桨的旋转面相互不重叠,旋翼和螺旋桨的旋转面水平设置,旋翼操纵俯仰,螺旋桨不操纵俯仰,只操纵航向和横滚,机身下靠近重心附近设置起落架,适合农药喷洒、森林灭火等需要宽幅作业的场合应用。
Single-rotor multi-propeller helicopter
单旋翼多螺旋桨直升机
2021-06-01
Patent
Elektronische Ressource
Chinesisch
IPC: | B64C AEROPLANES , Flugzeuge |
PROPELLER GUARD FOR UNMANNED MULTI-ROTOR TYPE HELICOPTER AIRFRAME
Europäisches Patentamt | 2016
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