A high-frequency flapping-wing biomimetic insect aircraft with controllable passive twist

Abstract

The invention provides a high-frequency flapping-wing bionic insect aircraft with controllable passive torsion. The high-frequency flapping-wing bionic insect aircraft comprises an aircraft body framework, and a hollow cup power motor, a crank rocker transmission mechanism, a speed reduction gear group, bionic flapping wings, a controllable passive torsion mechanism and a ball bearing group which are arranged on the aircraft body framework, wherein the crank rocker transmission mechanism converts rotation of an output shaft of the hollow cup power motor into reciprocating flapping motion of the two flapping wings, to simulate flying of insects; the speed reduction gear group is used for lowering the rotating speed of the output shaft of the hollow cup power motor, so that the flapping action of the flapping wings finally keeps in a range; the controllable passive torsion mechanism ensures that the flapping wings can be twisted around rotating shafts, to generate uplifting force; meanwhile, repelling force between a limiter and an electromagnet makes the flapping wings return to the vertical positions. By the adoption of the ball bearing group, the crank rocker transmission mechanism and the controllable passive torsion mechanism, the aims of greatly reducing the transmission friction and effectively converting the power into lift force of the aircraft are fulfilled.

Description

technical field [0001] The invention relates to the technical field of micromachining, in particular to a high-frequency flapping wing bionic insect aircraft with controllable passive torsion. Background technique [0002] The original design source of MAV is from military requirements. In order to better grasp the enemy's military situation and carry out military reconnaissance missions more secretly, a portable and miniature aircraft that can freely shuttle on the battlefield is needed. It can perform secret photography, communication, and even be used as a blasting weapon. [0003] Traditional aircraft are mainly fixed wings and rotors, but when the overall size of the aircraft tends to be small, the lift generation efficiency of the transmission fixed wings and rotors is significantly reduced, and the demand for new micro air vehicles is increasing. Insects in nature have the characteristics of maintaining high flight efficiency at a small scale, so people have turned t...

AI Technical Summary

Problems solved by technology

The literature mentions the flapping-wing aircraft driven by four-links, including four-link transmission mechanism, reduction gear set and controllable passive torsion mechanism, but the specific parameters in the literature are not clear, and the aircraft does not give the dimensions of each part Specific information on parameters, materials and manufacturing processes, and the transmission efficiency of the aircraft as a whole is relatively low

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