Gear with bionic tooth surfaces based on butterfly scale surface morphology

A surface topography and scale technology, applied in belts/chains/gears, components with teeth, portable lifting devices, etc., can solve the problem of poor lubrication conditions, easy intrusion of external debris, and poor working conditions. problems, to achieve the effect of reducing pitting corrosion on the tooth surface, excellent comprehensive mechanical properties, and improving fatigue life and wear resistance

Inactive Publication Date: 2016-07-06
HEFEI UNIV OF TECH
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Problems solved by technology

[0002] Gear transmission can be divided into open gear transmission, semi-open gear transmission and closed gear transmission. Open gear transmission is generally used in agricultural machinery, construction machinery and simple mechanical equipment. Some gear transmissions have no dust cover or machine. The shell and the gears are completely exposed outside. This kind of transmission is not only easy to invade by foreign debris, but also has poor lubrication, so the working conditions are not good, and the gear teeth are easy to wear; for the semi-open gear transmission, the gear transmission is equipped with a simple protective cover. , Sometimes the large gear part is immersed in the oil pool. Although the working conditions have been improved, it still cannot prevent the intrusion of foreign debris, and the lubrication conditions are not the best. Therefore, for open and semi-open gear transmission, the improvement The key to the service life of the gear is to keep the tooth surface clean

Method used

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  • Gear with bionic tooth surfaces based on butterfly scale surface morphology
  • Gear with bionic tooth surfaces based on butterfly scale surface morphology
  • Gear with bionic tooth surfaces based on butterfly scale surface morphology

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Embodiment Construction

[0017] see figure 2 , it is found that the surface of many organisms in nature is self-cleaning and hydrophobic. Typical insects such as butterflies, dragonflies, etc., can easily achieve the purpose of self-cleaning when pollutants fall on their wings. figure 2 It is the microstructure diagram of the scales on the butterfly wings. It is beneficial to improve the service life of the gears by studying it from the perspective of bionics and applying it to open gear transmission.

[0018] see figure 1 , the present invention proposes a bionic tooth surface gear based on the surface topography of butterfly scales, the surface topography of the bionic tooth surface gear is similar to the surface topography of butterfly scales, with grooves and circular pits distributed, and the surface is self-cleaning The performance is better than ordinary smooth gears; at the same time, using ANSYS software to load and analyze the stress of the bionic tooth surface gear, the results show that...

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Abstract

The invention relates to a bionic tooth surface gear based on the surface topography of butterfly scales. Its surface is processed with lines similar to the surface topography of butterfly scales. It consists of regularly arranged grooves and circular pits, and the grooves are arranged in parallel. The circular pits are distributed in the middle of two adjacent grooves. Based on the idea of ​​bionics and inspired by the surface morphology of butterfly scales, the present invention proposes a bionic tooth surface gear based on the surface morphology of butterfly scales. Compared with the existing technology, the self-cleaning performance of gears can be effectively improved, and it can be applied to open, When the semi-open gear is driven, it is beneficial to prolong the life of the gear.

Description

technical field [0001] The invention relates to the field of mechanical transmission, in particular to a bionic tooth surface gear based on the surface topography of butterfly scales. Background technique [0002] Gear transmission can be divided into open gear transmission, semi-open gear transmission and closed gear transmission. Open gear transmission is generally used in agricultural machinery, construction machinery and simple mechanical equipment. Some gear transmissions have no dust cover or machine. The shell and the gears are completely exposed outside. This kind of transmission is not only easy to invade by foreign debris, but also has poor lubrication, so the working conditions are not good, and the gear teeth are easy to wear; for the semi-open gear transmission, the gear transmission is equipped with a simple protective cover. , Sometimes the large gear part is immersed in the oil pool. Although the working conditions have been improved, it still cannot prevent ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H55/17
CPCF16H55/17
Inventor 陈奇徐帆樊浩张振高峰
Owner HEFEI UNIV OF TECH
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