Multilayer micro bionics flapping aerocraft

Abstract

The invention discloses a multilayer micro bionics flapping aerocraft, and belongs to the field of mechanical design. The multilayer micro bionics flapping aerocraft comprises double-layer double-crank rocker mechanisms, a driving mechanism and a flexible wing mechanism. The driving mechanism produces driving force and transmits the driving force to the double-layer double-crank rocker mechanisms.The double-layer double-crank rocker mechanisms produce corresponding flapping trajectories and overturn actively to drive the flexible wing mechanism connected with the double-layer double-crank rocker mechanisms, so that the function of simultaneously conducting of flapping and turnover movement is achieved. By setting parameters such as the lengths of rockers, the lengths of cranks and the lengths of connecting rods on the upper and lower layers of mechanisms, the phase difference between the two layers of double-crank rocker mechanisms during moving is changed, so that flexible wings rotate to produce the angle of attack while the flexible wings flap; meanwhile, the flexible wings produce large deformation to form passive overturning, so that it is ensured that a large lift force is produced. The multilayer micro bionics flapping aerocraft has the functions of simultaneously achieving flapping and twisting the wings and the like, and has the characteristics of being compact in structure, small and exquisite in size, very low in mass, flexible in mechanism and the like.

Description

technical field [0001] The invention belongs to the field of mechanical design, in particular to a multilayer miniature bionic flapping-wing aircraft. Background technique [0002] At present, the bionic micro flapping wing aircraft has attracted widespread attention, and it plays an important role in the military and other fields due to its small size and efficient flight mechanism. [0003] Although many mechanism designs have been proposed in the current research on micro-bionic flapping-wing aircraft, such as single-crank-rocker mechanism, double-crank-rocker mechanism, etc., most of these mechanisms can only realize the flapping action, and it is difficult to Flapping and twisting at the same time; if only the wings can be driven to do single-degree-of-freedom motion, it is impossible to flip the wings while flapping like insects or birds, and the flipping effect cannot be used to generate lift and thrust, so it is difficult to reach insects. Or the way the birds fly, ...

AI Technical Summary

Problems solved by technology

[0003] Although many mechanism designs have been proposed in the current research on micro-bionic flapping-wing aircraft, such as single-crank-rocker mechanism, double-crank-rocker mechanism, etc., most of these mechanisms can only realize the flapping action, and it is difficult to Flapping and twisting at the same time; if only the wings can be driven to do single-degree-of-freedom motion, it is impossible to flip the wings while flapping like insects or birds, and the flipping effect cannot be used to generate lift and thrust, so it is difficult to reach insects. or the way the birds fly, which results in inefficient flight

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