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Lateral extrusion-push type soil-covering pressing monomer

A soil-covering and single-body technology, which is applied in planting methods, excavation/covering trenches, application, etc., can solve problems such as uncoordinated cooperation between the soil covering device and the suppression wheel, large variation in seed position, uneven suppression pressure, etc., and achieves improved Consistency of plant spacing, uniform distribution of suppression pressure, uniform suppression effect

Inactive Publication Date: 2017-03-22
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems existing in the existing soil-covering and suppressing devices, such as dry soil covering the seed bed during soil covering, large variation in seed position after soil covering and suppression, uneven suppression pressure, and uncoordinated cooperation between the soil covering device and the suppression wheel, etc., and provides a device A side-extrusion-type soil-covering compaction unit

Method used

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  • Lateral extrusion-push type soil-covering pressing monomer
  • Lateral extrusion-push type soil-covering pressing monomer
  • Lateral extrusion-push type soil-covering pressing monomer

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Embodiment Construction

[0025] see Figure 1 to Figure 7 , the present invention is made up of frame 1, earth-covering device 2 and trapezoidal groove suppressing wheel 3, and earth-covering device 2 is installed in frame 1 front, and left and right is symmetrical, and trapezoidal groove suppressing wheel 3 is installed in the rear of frame 1.

[0026] The frame 1 is left-right symmetrical in the advancing direction, and is made up of a handle 11, a stepped shaft 12, a pressing wheel support 13 and a support plate 14. The frame 1 is made of a plate with a thickness of 4-8mm. Two stepped shafts 12 are respectively fixed on both sides of the handle 11 by welding, and they are symmetrically distributed in the forward direction. On a vertical plane, the angle between the axis of the stepped shaft 12 and the mounting plane of the handle 11 is α, where 2π / 5≤α<π / 2. The stepped shaft 12 has two sections. The section fixed to the installation plane of the handle 11 is the large end of the stepped shaft 12, a...

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Abstract

The invention provides a lateral extrusion-push type soil-covering pressing monomer. The monomer includes a rack, the rack comprises a vertical handle, two stepped shafts symmetrically fixed on two sides of the handle bottom, a support plate perpendicular to the middle part of the handle and a press wheel bracket located at the other end of the support plate, the center shafts of the two stepped shafts are respectively equipped with a soil-covering disc, and the press wheel bracket is equipped with a trapezoidal groove press wheel. The monomer is characterized in that the axes of the stepped shafts are located on a plane perpendicular to the mounting plane of the handle, the included angles between axes of the stepped shafts and the mounting plane of the handle are alpha, wherein alpha is greater than or equal to 2pi / 5 and smaller than pi / 2, on the soil-covering disc, the junction surface at the edge of the soil-covering disc is a curved surface, the section line of the junction surface on a radial section of the soil-covering disc is a section of curve A, and the curve A satisfies the following equation: y=0.0003x<3>- 0.0014x<2>+0.1381x-0.1429, x is greater than or equal to 0mm and smaller than or equal to 60mm, y is the axial direction of the soil-covering disc, and x is the radial direction of the soil-covering disc. The monomer provided by the invention solves the problems of large seed position variation, nonuniform pressing force, inharmonious coordination of a soil coverer and press wheel and the like in existing devices during soil covering.

Description

technical field [0001] The invention belongs to the field of agricultural machinery, and in particular relates to a side pushing type soil-covering compacting unit. Background technique [0002] The covering and suppressing unit is one of the main working parts of the precision seeder. It is used to cover the seeds in the seed ditch tightly after sowing. It is required that the amount of covering soil is appropriate and uniform, and there is no phenomenon of bulldozing and blocking the soil. The seed bed after suppression is flat. No scaly cracks. There are mainly four kinds of existing cover devices, including: push ring type cover device, figure-eight cover device, double disc type cover device and squeeze type cover device. The first three kinds of soil covering devices need to be used in conjunction with the pressing wheel. The covering soil is large and uniform, and has a wide range of applications. However, it is easy to cover the seed ditch with surface dry soil duri...

Claims

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Application Information

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IPC IPC(8): A01C5/06
CPCA01C5/068
Inventor 贾洪雷王文君王万鹏郑健庄健郭明卓王奇
Owner JILIN UNIV
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