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A Flapping Wing Mechanism without Phase Difference Based on Planetary Gear Transmission

A technology of planetary gear and phase difference, which is applied in the field of gear transmission, flapping wing mechanism, and flapping wing mechanism without phase difference, which can solve the problems of no flapping wing mechanism, achieve large flapping amplitude, compact structure, and avoid flight instability Effect

Inactive Publication Date: 2019-02-15
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no flapping wing mechanism based on planetary gear transmission in the existing flapping wing bionic aircraft and research literature

Method used

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  • A Flapping Wing Mechanism without Phase Difference Based on Planetary Gear Transmission
  • A Flapping Wing Mechanism without Phase Difference Based on Planetary Gear Transmission
  • A Flapping Wing Mechanism without Phase Difference Based on Planetary Gear Transmission

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Embodiment Construction

[0058] Preferred implementations of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.

[0059] A non-phase-difference flapping wing mechanism based on planetary gear transmission, including two parts: planetary gear transmission and flapping motion; The rotational motion of the motor is converted into the reciprocating linear motion of the rocker arm, and the frequency value of the linear motion is the same as the speed per second of the micro-motor; the flapping motion part is that the wing is installed on the rocker arm for reciprocating linear motion through one end of the connecting rod. and pass through the sleeve that can be rotated at a fixed position to convert the reciprocating linear motion of the rocker arm into a flapping motion.

[0060] As a preferred above-mentioned non-phase difference flapping wing mechanism based on planetary gear transmission, such as figure 1 , 2 As shown, it mainly include...

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Abstract

The invention relates to a non-phase difference wing flapping mechanism based on planet wheel transmission, and belongs to the technical field of mechanical processing. The non-phase difference wing flapping mechanism comprises a planet gear transmission part and a flapping motion part; according to the planet wheel transmission part, through the meshing of a planet wheel with an eccentric rocker arm and a gear ring, the rotating motion of a micro motor is turned into the reciprocating straight-line motion of the rocker arm, and the frequency value of the straight-line motion is the same as the rotating speed per second of the micro motor; and according to the flapping motion part, a wing is mounted on the rocker arm which is in reciprocating straight-line motion through one end of a connecting rod, and penetrates through a sleeve which can be in rotating motion in a fixed position, so that the reciprocating straight-line motion of the rocker arm is turned into flapping motion. Compared with the prior art, the non-phase difference wing flapping mechanism disclosed by the invention is provided with a symmetrical structure; the flapping manner of the non-phase difference wing flapping mechanism is symmetric flapping with no motion phase difference, so that flight instability because of the motion phase difference is avoided; and the non-phase difference wing flapping mechanism is compact in structure, and closer to a center line relative to the mounting position of the sleeve of a crank and rocker mechanism, so that the wing flapping scope is larger.

Description

technical field [0001] The invention relates to a gear transmission and a flapping mechanism, in particular to a phase-difference flapping mechanism based on planetary gear transmission, which belongs to the technical field of machining. Background technique [0002] The flapping-wing mechanism is the actuator of the flapping-wing bionic aircraft, and the flapping-wing bionic aircraft is a bionic aircraft that makes the wings imitate the flapping motion of birds or insects to generate lift and power. As one of its key components, flapping wing mechanism is very important to its research and design. [0003] At present, the most widely used flapping mechanisms in flapping-wing bionic aircraft are the crank-rocker mechanism and the slider-rocker mechanism driven by micro-motors. The two mechanisms are simple in structure and low in manufacturing cost. However, the crank-rocker mechanism is a typical asymmetric flapping mechanism. During the flapping process, there is a phase...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64C33/02
CPCB64C33/02
Inventor 于勇屈宸胡俊
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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