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Double-frequency self-excited vibration type double-wing break shovel

A self-excited vibration and soil loosening shovel technology, applied in the field of soil loosening shovels, can solve the problems of not being able to adapt to different soil properties, achieve the effect of reducing working resistance and wide selection range

Active Publication Date: 2022-07-15
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a single vibration frequency is limited to a single type of soil and cannot adapt to different soil properties.

Method used

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  • Double-frequency self-excited vibration type double-wing break shovel
  • Double-frequency self-excited vibration type double-wing break shovel
  • Double-frequency self-excited vibration type double-wing break shovel

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specific Embodiment approach

[0015] Referring to the accompanying drawings, the specific embodiments are as follows:

[0016] A dual-frequency self-excited vibration type double-wing ripper, characterized in that it comprises a shovel handle 1 and a ripper body, the ripper body includes two shovel wings 3, the shovel wings 3 are in the shape of a right-angled triangle, and the two shovel wings 3 The shape of the two shovel wings 3 is the same, and the edges of a right-angle side of the same length on the two shovel wings 3 are aligned and connected to form a shovel edge 4 extending in the bulldozing direction in the middle of the shovel body. The bottom surface of the ripping shovel body is formed in cooperation with the bottom surface of the ripping shovel body. The bottom surface of the ripping shovel body is arranged in the horizontal direction. The rear end of the blade 4 in the bulldozing direction. The rear end of the body of the ripper along the bulldozing direction is provided with a connecting b...

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Abstract

A double-frequency self-excited vibration type double-wing break shovel comprises a shovel handle and a break shovel body, the break shovel body comprises two shovel wings, the shovel wings are in a right triangle shape, the edges of the right-angle sides, with the same length, of the two shovel wings are aligned, attached and connected, and a shovel edge extending in the bulldozing direction is formed in the middle of the break shovel body. The shape of the shovel edge in the bulldozing direction is a section of composite trigonometric function curve, and the shape of the upper surfaces of the two shovel wings is a curved surface formed by extending the curve of the shovel edge in the direction perpendicular to the bulldozing direction. Based on the principle of self-excited vibration resistance reduction of a soil touching part and soil, soil particles in contact with the soil touching curved surface of the double-wing break shovel are loosened due to the self-excited vibration phenomenon, so that the working resistance of the cultivator is reduced, and the desorption performance of the double-wing break shovel is improved. The composite trigonometric function fuses natural vibration frequencies of two different soils, so that the double-wing break shovel can adapt to the properties of the two different soils, and the effect of self-excited vibration resistance reduction is fully exerted.

Description

technical field [0001] The invention relates to the field of ripper, in particular to a dual-frequency self-excited vibration type double-wing ripper. Background technique [0002] As the main working method of agricultural production, soil loosening technology not only loosens the surface soil, but also does not disturb the soil layer, thereby improving the physical and chemical properties of the soil, which is conducive to soil water storage and moisture retention. When agricultural machinery is cultivating the land, the mechanical power consumed by soil resistance accounts for about 40%-60% of the total power. The ripper is used to propel the soil. The geometry of the ripper directly affects the desorption and drag reduction performance of the ripper. Therefore, improving the working parts of the ripper is of great importance to reduce the energy consumption of the ripper during operation. significance. [0003] Among the vibration drag reduction parameters, frequency i...

Claims

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Application Information

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IPC IPC(8): A01B1/02
CPCA01B1/02
Inventor 郭福贵郭志军司胜洁邱毅清张盼港张鹏
Owner HENAN UNIV OF SCI & TECH
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