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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 72 / No. 1 / 2024

Pages : 193-202

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DESIGN AND EXPERIMENT OF NO-TILLAGE PRECISION PLANTERS WITH STAGGERED SEEDLING BELTS FOR SOYBEAN

交错苗带式大豆精量免耕播种机设计与试验

DOI : https://doi.org/10.35633/inmateh-72-18

Authors

Chuang MA

Shandong University of Technology

Weipeng CHEN

Shandong University of Technology

(*) Shandong YANG

Shandong University of Technology

Peisong DIAO

Shandong University of Technology

Yinping ZHANG

Shandong University of Technology

Zengjia LUO

Shandong University of Technology

Zhanyang WANG

Shandong University of Technology

(*) Corresponding authors:

[email protected] |

Shandong YANG

Abstract

According to the requirements of soybean stripping planting in the Huang-Huai-Hai region, a new planting mode was proposed, and a no-tillage staggered seedling belt soybean precision planter was designed. A seed-metering device with staggered distribution of sockets was designed. The optimal parameter combination was obtained through simulation analysis, and its structural rationality was verified through bench experiments. It achieved staggered seedling belt seeding; a retractable top rod seeding device was designed to improve seeding efficiency; the arrangement of the rotary cutter for the seedling belt cleaning and preparation device was designed to reduce work energy consumption. The field experiment results showed that when the forward speed was 8 km/h, the reliability and trafficability of the no-tillage staggered seedling belt soybean precision planter were qualified. The qualified rate of sowing depth was 92.6%, the qualified rate of grain spacing was 94.4%, the leak sowing rate was 1.8%, the repeat sowing rate was 38%, the seed exposure rate was 0.74%, and the operation efficiency was 1.92hm2/h.

Abstract in Chinese

针对黄淮海地区的大豆带状种植要求,本文提出一种新的种植模式,并设计了一种交错苗带式大豆免耕精量播种机。设计了一种窝眼交错分布的排种器,仿真分析得出最佳参数组合,并通过台架试验验证了其结构合理性,实现了交错苗带播种;对苗带清理整备装置的旋刀的排布进行设计,减少了工作能耗。田间试验结果表明:当前进速度为8km/h时,交错苗带式大豆免耕精量播种机可靠性合格,通过性良好。播深合格率为92.6%,粒距合格率为94.4%,漏播率为1.8%,重播率为3.8%,晾籽率为0.74%,作业效率为1.92hm2/h。

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