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A crop straw removal mechanism and removal method thereof

A crop straw and frame technology, which is applied in the field of crop straw removal mechanism and its removal, can solve the problems of small resilience of green straw and thin straw, missing and broken straw, and inability to apply sufficient friction to crop straw, etc. Achieve the effect of large contact area and long contact time

Active Publication Date: 2020-09-11
FUJIAN YONGSHUN MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, after testing, the above-mentioned combined mechanism for removing and cutting crop stalks has the following problems: due to the action of the stalk-pulling rotor, when the stalks are attached to the outer edge of the stalk-pulling rotor, the return of green straw and fine straw with a low lignification level The elastic force is small, and it is impossible to form enough friction between the outer edge of the stalk pulling rotor and the straw, so that the stalk pulling rotor cannot apply enough friction force to the crop stalks, that is, the friction force is smaller than the resident force of the crop stalks, resulting in missing straw pulling And the phenomenon of pulling out is serious

Method used

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  • A crop straw removal mechanism and removal method thereof
  • A crop straw removal mechanism and removal method thereof
  • A crop straw removal mechanism and removal method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A crop straw plucking mechanism, comprising a stalk plucking rotor 2 and a first stalk plucking rotor 3 arranged on a frame 1, the stalk plucking rotor 2 and the first stalk plucking rotor 3 have opposite directions; the stalk plucking rotor 2 The rotation axis of the first stalk pulling rotor 3 is set at the front and upper part of the first stalk pulling rotor 3 relative to the frame 1; the outer edge of the first stalk pulling rotor 3 is provided with a plurality of stalk pulling racks 31, so The depth of the tooth root of the stalk pulling rack 31 is less than twice the diameter of the crop straw; diameter of.

[0044] The outer periphery of the stalk-pulling rotor 2 is provided with a plurality of stalk-pulling grid bars 21 . The number of the stalk pulling racks 31 is more than 10, the tooth crests between two adjacent stalk pulling racks 31 are arranged in a staggered manner, and the spacing between adjacent racks is less than 35 mm. The tooth included angle 32...

Embodiment 2

[0046] A crop straw pulling mechanism according to Embodiment 1, wherein the outer periphery of the stalk-pulling rotor 2 is provided with a plurality of stalk-pulling grid bars 21, and the stalk-pulling grid bars 21 include one stalk-pulling roller arranged side by side. 22. The centers of the stalk-pulling rollers 22 are distributed on the same circumference with the rotation axis of the stalk-pulling rotor 2 as the center of the circle.

Embodiment 3

[0048] A crop straw pulling mechanism according to Embodiment 2, wherein the outer periphery of the stalk-pulling rotor 2 is provided with a plurality of stalk-pulling grid bars 21, and the stalk-pulling grid bars 21 include three stalk-pulling rollers arranged side by side twenty two.

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Abstract

The invention relates to the field of agricultural machinery, in particular to a crop straw pullout mechanism. Through the outer edge of a straw shifting rotor and resilience force of crop straw, thecrop straw is shifted into a gap between a first straw shifting rotor and the straw shifting rotor and covers toothed grooves of the first straw shifting rotor in a pressing mode to enable the toothedgrooves to form friction force and enable the crop straw to adhere to the first straw shifting rotor in a winding mode to form a wrap angle; and under the joint effect of the friction force generatedby press covering and stationing force of roots of the straw to the ground, the crop straw and a straw pull rack of the first straw shifting rotor have the lager contact area and the longer contact time, the crop straw with the small resilience force also can force the large friction force together with the straw shifting rotor and the first straw shifting rotor, and thus it is guaranteed that the crop straw is completely pulled out and conveyed rearwards.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a crop straw pulling mechanism and a pulling method thereof. Background technique [0002] The Chinese Patent Publication No. CN 109121677 A discloses a combined mechanism for removing and cutting crop stalks. The crop stalks are uprooted by the stalk-pulling mechanism, then the crop stalks are cut by the stalk-cutting mechanism, and the crop stalks are cut into segments for recycling. . [0003] However, after testing, the above-mentioned combined mechanism for crop straw pulling and cutting has the following problems: because under the action of the pulling rotor, when the straw is attached to the outer edge of the pulling rotor, the green straw and fine straw with low lignification level will return to the ground. The elastic force is small, and sufficient friction force cannot be formed between the outer edge of the stalk pulling rotor and the straw, so that the stalk p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01D45/00
Inventor 张培坤王又沐
Owner FUJIAN YONGSHUN MACHINERY CO LTD
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