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Corn snapping bar provided with a surface having bionic giometric structure

A technology of geometric structure and ear picking roller, applied in agricultural machinery and implements, harvesters, agriculture, etc., can solve the problems of increased ear gnawing rate and ear gnawing degree, lack of application value, etc., so as to increase the grabbing ability and avoid gnawing injuries. , the effect of reducing the ability to grab

Inactive Publication Date: 2008-02-06
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant of the present invention once conceived a similar structure in 2005, but during the actual test, due to the significant increase in the ear-gnawing rate and ear-gnawing degree, it lacked application value and abandoned

Method used

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  • Corn snapping bar provided with a surface having bionic giometric structure
  • Corn snapping bar provided with a surface having bionic giometric structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The specific structure of the novel corn picking roller with the bionic geometric structure surface structure of this example is shown in Fig. 1, Fig. 2 and Fig. 3 . This novel corn picking roller of this example, its structural feature is: this picking roller small-diameter roll surface is distributed with the convex shell structure that is arranged spirally along the axis of the roller shaft, and two helical wide convex ribs (convex ribs) Width 15 ~ 20mm). The specific structure is: the convex hull structure distributed on the cylindrical surface of the small-diameter roller of a single ear picking roller is approximately equilateral triangle distribution on the unfolded surface of the cylindrical surface, the convex hull spacing is 12-15mm, and the convex hull height is 1-3mm. When applied on the corn harvester, they are installed in pairs at the corresponding positions of the corn header frame; there is a general power joint structure connected with the transmission...

Embodiment 2

[0034] The specific structure of the novel corn picking roller with the bionic geometric structure surface structure of this example is shown in Fig. 1, Fig. 2 and Fig. 3 . The novel corn ear picking roller with the bionic geometric surface structure described in this example is different from Example 1 in that the bionic geometric surface structure of this example is a pit-shaped structure arranged in a spiral along the axis of the roller shaft. The rest are the same as described in Example 1.

Embodiment 3

[0036] The specific structure of the novel corn picking roller with the bionic geometric structure surface structure of this example is shown in Fig. 1, Fig. 2 and Fig. 3 . The new type of corn ear picking roller with the bionic geometric structure surface structure described in this example is different from Example 1 and Example 2 in that the surface structure of the bionic geometric structure in this example is a convex hull / dimple arranged in a spiral shape along the axis of the roller shaft Type structure, that is, the surface of the ear-picking rollers installed on the higher side is arranged in a spiral shape along the axis of the roller shaft, and the surface of the ear-picking rollers installed on the lower side is arranged in a spiral shape along the axis of the roller shaft pit-type structure. The rest are the same as described in Example 1.

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Abstract

The invention relates to a corn stripper roller with a bionic geometrical structure surface for a corn harvester, belonging to a corn harvesting machinery in agricultural machinery. The invention comprises a pair of corn stripper rollers arranged in symmetry. Each corn stripper roller comprises a guide cone (1) of spiral protruding ridge, a core stripping section (2) of a guide spiral ridge (7), a stem pulling section (3) and a power joint (4). The corn stripper roller is fifty to sixty millimeter in minor diameter. The guide spiral ridge (7) of the core stripping section (2) adopts two protruding ridges which is fifteen to twenty millimeters in width. The slippery cylinder surface of the core stripping section (2) is provided with small units arranged in a spiral shape along the axis of the roller. The invention provides a corn stripper roller with a bionic geometrical structure surface, realizing non-damage corn stripping function of a horizontal roller device and reducing the weight of a roller type corn stripping device.

Description

Technical field: [0001] The invention relates to a horizontal ear picking roller for a corn harvester, which belongs to the corn harvester in agricultural machinery. Background technique: [0002] At present, the most commonly used horizontal ear picking roller for the ear picking device on the corn harvester has a dragon-claw type ear picking hook on the surface and a smooth surface of the ear picking roller. In addition, there are vertical ear picking rollers and plate ear picking methods. The ear picking structure. Due to the complex structure and heavy weight of the vertical ear picking roller structure, there have been few product applications for many years. The plate-type ear-picking structure is mostly used on self-propelled corn harvesters. Its advantage is that it has little damage to the ears of corn. The disadvantage is that the rate of broken stems is high, which increases the failure rate of subsequent processing. Horizontal ear picking rollers are mostly use...

Claims

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Application Information

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IPC IPC(8): A01D45/02
Inventor 佟金贺俊林闫久林马云海孙霁宇陈东辉周江张惠明
Owner JILIN UNIV
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