Double-synchronous direct-acting belt drive roller shutter type flapping-wing unmanned aerial vehicle

Abstract

The invention relates to a double-synchronous direct-acting belt drive roller shutter type flapping-wing unmanned aerial vehicle. The unmanned aerial vehicle comprises flapping wings, a fuselage top plate, a first speed reducer, a stepping motor, a connecting piece, a second speed reducer, a driving motor, a transmission mechanism, a fuselage bottom plate, a third speed reducer, a motor and slideways, the four slideways in the vertical direction are symmetrically and fixedly installed on the periphery of the fuselage top plate, and the two flapping wings can slide on the slideways; meanwhile, the two flapping wings are connected to the two connecting pieces respectively and can rotate relatively, each flapping wing comprises a flapping wing frame and a roller blind installed on the flapping wing frame, a synchronous belt wheel and a driving motor are further arranged in the flapping wing frame and used for switching between the working state and the reset state of the flapping wings, and the transmission mechanism is connected to the two connecting pieces, the motor arranged on the bottom plate of the fuselage is decelerated by the third speed reducer and then drives the transmission mechanism to move, so that the two connecting pieces synchronously slide up and down, and the two stepping motors respectively arranged on the two connecting pieces are decelerated by the two first speed reducers and then respectively drive the two flapping wings to rotate.

Description

technical field [0001] The invention relates to the field of movable-wing aircraft and flying robots, in particular to a double-synchronous direct-motion belt-driven rolling shutter flapping-wing unmanned aerial vehicle. Background technique [0002] There are three flight types of aircraft flying: fixed wing, rotary wing and flapping wing. Among them, flapping wing flight is the flying mode adopted by flying creatures in nature. It mainly uses the up and down flapping of the wings to generate lift and thrust at the same time. , hovering and propulsion functions are based on one body, and at the same time have strong maneuverability and flexibility, and are more suitable for flying around obstacles. For small-sized and low-speed aircraft flying under low Reynolds numbers, the unsteady lift generated by the flapping wing is much greater than the constant lift of the fixed wing; from the perspective of thrust, the propulsion efficiency of the flapping wing is higher than that ...

AI Technical Summary

Problems solved by technology

The main reason for the overall low efficiency of flapping wing aircraft is that most of the current research simply imitates the shape and flapping motion of the wings of birds or insects, but it is difficult to realize the use of the wing's own posture and structure in the process of flapping wings of flying creatures. The change of air resistance reduces air resistance and generates unsteady aerodynamic force, and the resulting low aerodynamic efficiency seriously restricts the popularization and application of flapping-wing aircraft

At the same time, most of the current flapping-wing aircraft cannot achieve vertical take-off and landing and hovering in the air, and their flexibility and maneuverability are not good enough

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