Space five-rod flapping-wing aircraft based on rigid-flexible coupling

A flapping wing aircraft, rigid-flexible coupling technology, applied in the field of aircraft, can solve the problems of inaccurate belt drive transmission ratio, increased fuselage frontal area, wind resistance increase, etc., to reduce the airframe frontal area, stable transmission ratio, The effect of reducing the number of moving parts

Pending Publication Date: 2020-12-29
WUHAN UNIV OF SCI & TECH
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  • Abstract
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  • Claims
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Problems solved by technology

The patent (CN201821642577.2) adopts belt drive as the main torque transmission method. Due to the inaccurate transmission ratio of the belt drive, it is easy to generate large vibrations during the flapping of the flapping wing aircraft, and the efficiency is not high
The gear arrangement of the patent (CN201910815338.5) increases the windward area of ​​the fuselage and increases the wind resistance at the same time

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  • Space five-rod flapping-wing aircraft based on rigid-flexible coupling
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  • Space five-rod flapping-wing aircraft based on rigid-flexible coupling

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see Figure 1-5 , an embodiment provided by the present invention: a rigid-flexible coupling space five-rod flapping wing aircraft, comprising a fuselage 1, wing mechanisms 2 on both sides, a space five-rod mechanism, a gear transmission system, and an empennage mechanism 3. The body 1 includes a fuselage frame 101, a front support round frame 102 and a rear support round frame 103 that increase the structural strength of the fuselage 1.

[0026] In th...

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Abstract

He invention discloses a space five-rod flapping-wing aircraft based on rigid-flexible coupling. The flapping-wing aircraft consists of a fuselage, a gear transmission system, a space five-rod mechanism, two side wings and a tail wing mechanism. A direct current motor drives the gear transmission system, and then the force of deceleration and torque increase is input into the space five-rod mechanism to sequentially drive a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod; then due to the action of a flexible ball pair in the space five-rod mechanism, the two side wings do regular 8-shaped motion; the fourth connecting rod in the space five-rod mechanism is used as a rocker to drive a first wing connecting rod, so that wing folding motion isrealized; and a tail wing is driven by two stepping motors, so that pitching and steering of the flapping-wing aircraft are realized. The space five-rod flapping-wing aircraft has the characteristicsof light overall weight, less driving links, high flight efficiency and high practicability; and flapping-twisting-swinging-folding coupling can be realized.

Description

technical field [0001] The invention relates to the technical field of aircraft, in particular to a space five-rod flapping-wing aircraft based on rigid-flexible coupling. Background technique [0002] The flapping-wing aircraft is a new type of micro-aircraft, which has extremely high flexibility and high efficiency, and has wide application prospects. The flapping-wing aircraft only needs to use a special path to generate the thrust and lift required for flight, so the aerodynamic characteristics are much higher than those of fixed-wing and rotary-wing aircraft. The flapping-wing aircraft relies on the tail or wings to adjust the center of gravity of the fuselage to achieve steering and lift, which is faster than fixed-wing and rotary-wing methods. However, the development of flapping wing aircraft is relatively late, and most of them used birds in nature as references before, but so far, the aerodynamic characteristics of birds are not very clear. The flapping-wing airc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C33/02
CPCB64C33/02
Inventor 侯宇王强金子涵
Owner WUHAN UNIV OF SCI & TECH
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