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Suction wheel type broad-width precious speed distribution apparatus

A precision seeding, wide-width technology, applied in the direction of interval-type quantitative seeding machinery, planter parts, etc., can solve the problems of deviation from the seeding point, seed bouncing, affecting the sowing accuracy, etc., to improve the sowing accuracy and slow down the landing speed effect.

Active Publication Date: 2015-11-18
SHANDONG AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although there are many types of seed distribution devices, the seed pipes of most of the seed distribution devices are set vertically on the ground. The seeds fall vertically from the seed distribution device, and the landing speed is too fast, causing the seeds to bounce and deviate from the sowing point, affecting the sowing precision

Method used

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  • Suction wheel type broad-width precious speed distribution apparatus
  • Suction wheel type broad-width precious speed distribution apparatus
  • Suction wheel type broad-width precious speed distribution apparatus

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0026] as attached figure 1 To attach Figure 10 As shown, this embodiment provides a suction wheel type wide-width precision seed distribution device, including a seed box 3, a seed meter and a seed pipe 2, and the seed meter includes a box body 1, an inner core 17 and a seed metering device. port 5, the inner core 17 is located inside the box body 1, the seed discharge port 5 is located at the bottom of the box body 1, the inner core 17 is cylindrical, and one side of the inner core 17 is a head , the drive shaft passes through the inner core 17 through the inner mandrel shaft hole 11 on the head, the outer surface of the inner core 17 is evenly distributed with concave round dimples 12, and the bottom of the concave round dimples 12 is provided with air suction holes 13, The box body 1 includes a box body and a cover 18 positioned on one side of the box body. There is an air suction barrier 14 inside the inner core, and the air suction barrier 14 is fixedly connected to th...

Embodiment 2

[0032] as attached figure 1 To attach Figure 10 As shown, this embodiment provides a suction wheel type wide-width precision seed distribution device, including a seed box 3, a seed meter and a seed pipe 2, and the seed meter includes a box body 1, an inner core 17 and a seed metering device. port 5, the inner core 17 is located inside the box body 1, the seed discharge port 5 is located at the bottom of the box body 1, the inner core 17 is cylindrical, and one side of the inner core 17 is a head , the drive shaft passes through the inner core 17 through the inner mandrel shaft hole 11 on the head, the outer surface of the inner core 17 is evenly distributed with concave round dimples 12, and the bottom of the concave round dimples 12 is provided with air suction holes 13, The box body 1 includes a box body and a cover 18 positioned on one side of the box body. There is an air suction barrier 14 inside the inner core, and the air suction barrier 14 is fixedly connected to th...

Embodiment 3

[0035] as attached figure 1 To attach Figure 10 As shown, this embodiment provides a suction wheel type wide-width precision seed distribution device, including a seed box 3, a seed meter and a seed pipe 2, and the seed meter includes a box body 1, an inner core 17 and a seed metering device. port 5, the inner core 17 is located inside the box body 1, the seed discharge port 5 is located at the bottom of the box body 1, the inner core 17 is cylindrical, and one side of the inner core 17 is a head , the drive shaft passes through the inner core 17 through the inner mandrel shaft hole 11 on the head, the outer surface of the inner core 17 is evenly distributed with concave round dimples 12, and the bottom of the concave round dimples 12 is provided with air suction holes 13, The box body 1 includes a box body and a cover 18 positioned on one side of the box body. There is an air suction barrier 14 inside the inner core, and the air suction barrier 14 is fixedly connected to th...

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Abstract

The invention provides a suction wheel type broad-width precious speed distribution apparatus. The apparatus comprises a seed containing box, a seed discharging device and a seed discharging tube, the seed discharging device is a suction wheel type seed discharging device and comprises a box body, a sealing cover, an inner core and a seed discharging opening, the bottom of the seed discharging device is fixedly provided with a baffle block, the inner core is cylindrical in shape, a driving shaft traverses through the inner core, recessed round pits are uniformly distributed on the external surface of the inner core, the recessed round pits are distributed in a five-in-line and six-in-line interval manner, the seed discharging tube is arc-shaped, and the arc angle is not smaller than 40DEG and not greater than 50DEG. When the apparatus works, a negative pressure is generated in the seed discharging device through a high speed fan, seeds are adsorbed in recessed round pits under the action of below air suction holes and rotate with the inner core, the suction force to the seeds decreases and even disappears when the seeds rotate to the fixed hollow baffle block under the seed discharging device, the seeds depart from the recessed round pits under the action of a seed scraper and enter the seed discharging tube, and the seed discharging tube is arc-shaped and has a certain angle to the ground, so the falling speed of the seeds is reduced, deviation from sowing points due to bouncing after seed falling to the ground is avoided, and the sowing precision is improved.

Description

technical field [0001] The invention belongs to the technical field of agricultural seeding equipment, in particular to a suction wheel type wide-width precision seed distribution device. Background technique [0002] The seeder is a kind of planting machinery used for crop seeding. It is the main machine tool for farmland operations and plays an important role in agricultural production. As a key component of the seeder, the seed distributing device is an important factor that determines the quality and performance of the seeder. The essence of the process of the seed distributing device is to transform the seeds from groups to individuals, uniform seed flow or continuous single seed through the action on the seeds. Its working performance directly affects the working quality of the whole planter. [0003] Traditional seed distribution devices are mainly divided into two categories: mechanical and suction wheel. The suction wheel seed distributing device is more accurate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C7/18A01C7/20
Inventor 赵立新丁筱玲李光提尹力刘兴华左润国
Owner SHANDONG AGRICULTURAL UNIVERSITY
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