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Anti-drag wear-resistant coupling bionic surface of agricultural machinery farming component

A technology for agricultural machinery and components is applied in the field of drag reduction and wear resistance coupled bionic surfaces of agricultural machinery farming components, which can solve the problems of large working resistance, poor wear resistance and high energy consumption, reduce farming resistance and use costs, and improve wear resistance. effect on performance and longevity

Inactive Publication Date: 2014-06-04
JILIN UNIV
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Problems solved by technology

[0008] The invention aims to solve the problems of poor wear resistance, large working resistance and high energy consumption of agricultural machinery tillage parts, and provides a drag-reducing and wear-resistant coupling bionic surface of agricultural machinery tillage parts, so as to improve soil contact The wear resistance of components, the purpose of reducing tillage resistance and production costs

Method used

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  • Anti-drag wear-resistant coupling bionic surface of agricultural machinery farming component
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  • Anti-drag wear-resistant coupling bionic surface of agricultural machinery farming component

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Embodiment Construction

[0026] The invention designs the wear-resistant and drag-reducing bionic protrusions on the surface of the soil-contacting parts of the agricultural machinery and their arrangement according to the excavating organs and the excavating action parameters of the mole known as the "living excavator". The mole's body structure is very suitable for underground activities and digging. The mole's extremely high digging efficiency is due to its unique geometric structure of the front paws and the contact angle between the claws and the soil during the digging process. The first factor ensures that the mole is subjected to less soil resistance in the process of excavating the soil underground, and realizes continuous and efficient excavation. Can continue to dig.

[0027] The present invention combines the two important parameters of the geometric profile of the mole's claw and the contact angle between the mole's claw and the soil, and designs a drag-reducing and wear-resistant bionic ...

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Abstract

The invention discloses an anti-drag wear-resistant coupling bionic surface of an agricultural machinery farming component. The anti-drag wear-resistant coupling bionic surface is a bionic convex structure, wherein the curved surface of the outline of the bionic convex structure accords with the mathematical expression: x=(-Asin)t2+tcos-asin, y2+z2=[(Acos)t2+tsin+asin]2, wherein x, y and z are the x axis, y axis and z axis in a three-dimensional coordinate system; A is the shape factor of the bionic convex structure, and A is larger than -1 and smaller than -0.5; a is the height of the bionic convex structure, and a is larger than 0 and smaller than 5mm; theta is the order of contact of claw back surface and soil in the mole-like mining process, and theta is larger than 15 degrees and smaller than 45 degrees; and the bionic convex structure is arranged according to diamond manner. Compared with similar soil-engaging component with smooth surface, the agricultural machinery soil-engaging component with the anti-drag wear-resistant coupling bionic surface has the advantages that the wear resistance is averagely increased by 5-8%, and the working resistance is averagely reduced by 3-5%.

Description

technical field [0001] The invention relates to a drag-reducing and wear-resistant coupling bionic surface of an agricultural machinery tillage part. Background technique [0002] With the rapid development of agricultural mechanization, the farming speed has been greatly increased, and the farming environment has become more and more complex, which puts forward higher and higher requirements for the performance of farming tools, especially the performance of soil-touching farming components. The main failure mode of the soil-contacting parts of agricultural machinery is wear failure during the tillage process. At the same time, since the soil-contacting parts need to overcome the tillage resistance and friction during the tillage process, a large amount of energy will be consumed. Therefore, improving wear resistance and reducing tillage resistance have become the main directions in the research of soil-contacting parts of agricultural machinery. [0003] Biomimicry studie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C5/06
Inventor 贾洪雷庄健齐江涛刘春喜马云海范旭辉
Owner JILIN UNIV
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