DESIGN AND EXPERIMENT OF PRESSURE-HOLDING PRECISION SEED-METERING DEVICE FOR MAIZE
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Published:2023-04-30
Issue:
Volume:
Page:159-169
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ISSN:2068-2239
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Container-title:INMATEH Agricultural Engineering
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language:en
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Short-container-title:INMATEH
Author:
ZHANG YunHe1, CHENG JinPeng2, ZHANG XueJun2, SHI ZengLu2, WANG MeiJing2, WU HaiFeng2, FU Hao2
Affiliation:
1. College of Electronic and Electrical Engineering, Lingnan Normal University, Zhanjiang/ China 2. College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi / China
Abstract
In order to further improve the seeding performance of the maize seed-metering device, a pressure-holding precision seed-metering device for maize was designed. The seed-metering device is made up of several seed rowing modules, which effectively solves the problems of inconvenient disassembly and complex maintenance of the current maize seed-metering device. The working principle of the device was introduced, and the mechanical and kinematic analysis of the maize seeds during the seeding operation was carried out. The orthogonal test was carried out with the installation diameter of seed-metering device's guide plate, torsion spring's wire diameter and seed-metering device's rotational speed as the test factors, the single-seeding rate, missed-seeding rate and multiple-seeding rate as the indexes, and the relationship between different test factors on the performance of seed-metering device was obtained. By optimizing the model, the best performance of the seed-metering device was obtained when the installation diameter of the guide plate was 92.32 mm, the wire diameter of the torsion spring was 1.59 mm, and the rotational speed of the seed-metering device was 0.41 r/s. At this time, the single-seed rate was 93.08%, the missed-seeding rate was 3%, and the multiple-seeding rate was 3.9%, which met the requirements of the industry standard.
Publisher
INMA Bucharest-Romania
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering,Food Science
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