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Cutting knife of anti-blocking-up device for no-tillage seeder

A seeder and cutter technology, applied in the application, agricultural machinery and implements, shovels, etc., can solve the problems of high power consumption, damage to the ground surface, inability to cut off the root system of crops, etc., and achieve the effect of reasonable design and reliable use

Inactive Publication Date: 2005-07-20
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The cutter of this technical solution is a chopping blade for returning straw to the field. Although the blockage of straw has been improved, because the operation method is carried out on the surface, the underground root system of the crop cannot be cut off, so the blockage caused by the root system cannot be solved. Large power consumption, poor working environment, damage to the covered ground surface, not conducive to sowing

Method used

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  • Cutting knife of anti-blocking-up device for no-tillage seeder

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Embodiment Construction

[0013] Below in conjunction with the preferred embodiment shown in accompanying drawing, be described in further detail:

[0014] As shown in Fig. 1, the cutter for the anti-blocking device of the no-tillage seeder is provided with a mounting hole 3 in the center of the cutter body 1, and a plurality of cutter teeth 2 with the same shape and size are arranged on the outside, and the cutter teeth are composed of the main blade 21, the auxiliary Blade 22, knife back 23 form. The main blade 21 is an Archimedes spiral, the secondary blade 22 is a curve, the back 23 of the blade is a straight line, and the blade teeth 2 and the blade body 1 are integrated. The sliding cutting angle a of the cutter tooth 2 is 55-70°, the clearance angle b is 0°, the angle c between the auxiliary blade 22 and the knife back 23 is 80°, and the central angle of the auxiliary blade 22 is 12°. The distance R between the tip of the cutter tooth 2 and the center of the cutter body 1 is 250mm; the thicknes...

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Abstract

The present invention mainly relates to a non-tillage sowing machine, in particular, it relates to a structure of cutting knife for anti-blocking device. It is characterized by that a mounting hole is set in the centre of said knife body, and on the outside of said knife body several knife teeth with identical form and size are set, and every knife tooth is formed from knife edge, auxiliary knife edge and knife back. Said invented design is reasonable, and its application is reliable.

Description

Technical field: [0001] The invention mainly relates to a no-tillage seeder, in particular to the structure of the cutter used for the anti-blocking device of the no-tillage seeder. Background technique: [0002] In recent years, the straw-covered no-till planting method has been more and more widely promoted in various parts of our country because it can store water and moisture, fertilize the soil, save energy and save labor. The traditional seeder cannot sow in the straw-covered land due to the blockage of the straw. In the prior art, the application number is 98218325.9, and the utility model patent titled "Gear-tooth anti-blocking device for no-tillage mulching seeder" discloses a structure of an anti-blocking device, which is mainly composed of a grass cutting disc, two It consists of a toothed weeding wheel and a ditch opener. The cutting knife of the above technical solution is a grass cutting disc, which is passive, and the effect of cutting straw is not good, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B49/06
Inventor 吴建民栗震霄赵武云张炜田斌王芬娥韩正晟魏宏安高晓阳
Owner GANSU AGRI UNIV
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