Experiments and analysis on seeding performance of seed feeding device of rapeseed centralized metering device under lateral tilt

被引：0
|
作者：
Wang L. [1 ,2 ]
Liao Y. [1 ,2 ]
Zhang Q. [1 ,2 ]
Liu H. [1 ,2 ]
Wang B. [1 ,2 ]
Liao Q. [1 ,2 ]
机构：
[1] College of Engineering, Huazhong Agricultural University, Wuhan
[2] Key Laboratory of Agricultural Equipment in Mid-lower Yangtze River, Ministry of Agriculture and Rural Affairs, Wuhan
来源：
Liao, Qingxi (liaoqx@mail.hzau.edu.cn) | 1600年 / Chinese Society of Agricultural Engineering卷 / 36期
关键词：
Agricultural machinery; Centralized metering device; Crops; Lateral tilt seeding; Rapeseed; Seed feeding device; Test;
D O I：
10.11975/j.issn.1002-6819.2020.19.001
中图分类号：
学科分类号：
摘要：
In order to solve the problems that the surface unevenness leads to the tilt of the seed feeding device of centralized metering device in rapeseed mechanized seeding, which causes insufficient seeding stability, the seed feeding device of centralized metering device was taken as the research object, the working process of the seed feeding device was analysied and the mechanical models between rapeseed and the type hole of the seed feeding device were built at different lateral tilt angle during the seed filling, seed carrying and seed dropping process. The effects of lateral tilt angle perpendicular to work direction and rotating speed of seed feeding device on seeds quantity in type hole and seeds migration trajectory during seeding process were analyzed by EDEM simulation. The simulation results showed that with the increase of the tilt angle within 0°-5°, the average increase of seed quantity in type hole of the tilt side relative to the no tilt increased within 0-36.55%, and the average decrease of seed quantity in type hole on the other side relative to the no tilt decreased within 0-26.68% during seed filling and seed carrying process. The ratio ranged from 1.02 to 2.70 between the highest seed quantity of type hole 1 and the lowest seed quantity of type hole 4. During the process of seed dropping, when the rotating speed of seed feeding device was fixed, with the increase of lateral tilt angle ranged from 0° to 5°, relative to the no tilt state, the average seed quantity increase of seed dropping port I was 0-86.82% and the average seed quantity decrease of seed dropping port II was 0-75.65%, respectively As the rotating speed of the seed feeding device was 20 r/min and 40 r/min, the ratio of seed quantity of seed dropping port I to that of seed dropping port II was 14.4 and 5.29, respectively. The intelligent test platform of planting machines was used to test the effects of different lateral tilt and swing on seeding performance of the seed feeding device. The experimental results indicated that the average error of seed quantity between the bench test and simulation test was 3.86%, which showed that the simulation results were reasonable and credible. With the increase of the absolute value of the lateral tilt angle, the increase of the total seeding rate was 0.76%-8.72% compared with the total seeding rate without tilt. With the increase of the absolute value of the lateral swing angle, the change of the seeding rate of the seed dropping port I and II was 0-55.61% compared with the no tilt state, and the increase of the total seeding rate was 0.65%-4.23%. With the increase of lateral reciprocating swing, the increase of total seeding rate was 1.12%-9.02% compared with that of no tilt state. The test results showed that lateral tilt, lateral swing and lateral reciprocating swing had significant influence on seeding stability. The effects of lateral tilt and swing on seeding performance could be reduced by increasing the rotating speed of the seed feeding device. The results can provide reference for promoting the structure improvement and performance improvement of the seed feeding device. © 2020, Editorial Department of the Transactions of the Chinese Society of Agricultural Engineering. All right reserved.
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页码：1 / 10
页数：9
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共 29 条
  • [1] Bi Yingdong, Liu Ming, Zhou Guangsheng, Selection and cultivation of forage rapeseed in Heilongjiang Province, Chinese Journal of Oil Crop Sciences, 41, 6, pp. 835-841, (2019)
  • [2] Li Zhaodong, Yang Wenchao, Zhang Tian, Design and suction performance test of sucking-seed plate combined with groove-tooth structure on high speed precision metering device of rapeseed, Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 35, 1, pp. 12-22, (2019)
  • [3] Zhao Biquan, Ding Youchun, Cai Xiaobin, Seedlings number identification of rape planter based on low altitude unmanned aerial vehicles remote sensing technology, Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 33, 19, pp. 115-123, (2017)
  • [4] Duan Zhenyu, Qi Yaqin, Shao Yulin, Effect of planting density on growth properties of rapeseed in wheat /silage rape multiple cropping in northern Xinjiang, Southwest China Journal of Agricultural Sciences, 29, 3, pp. 516-519, (2016)
  • [5] Wang Lei, Liao Yitao, Zhang Qingsong, Et al., Design on profiling chisel opener of precision broad width no-tillage planter for rapeseed and wheat, Transactions of the Chinese Society for Agricultural Machinery, 50, 11, pp. 63-73, (2019)
  • [6] Bao Panfeng, Wu Mingliang, Guan Chunyun, Design of plow-rotary style ditching and ridging device for rapeseed seeding, Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 33, 20, pp. 23-31, (2017)
  • [7] Cong Rihuan, Zhang Zhi, Lu Jianwei, Climate impacts on yield of winter oilseed rape in different growth regions of the Yangtze River Basin, Chinese Journal of Oil Crop Sciences, 41, 6, pp. 894-903, (2019)
  • [8] Linna Cholidah, Feng Jun, Shi Chao, Linna Cholidah, Effects of reducing fertilizer application rate under different mulching types on yield and water-fertilizer utilization efficiency of rapeseed, Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 35, 15, pp. 85-93, (2019)
  • [9] Li Xiaoyong, Zuo Qingsong, Chang Haibin, Higher density planting benefits mechanical harvesting of rapeseed in the Yangtze River Basin of China, Field Crops Research, 218, 4, pp. 97-105, (2018)
  • [10] Cao Xiuying, Liao Yitao, Liao Qingxi, Design and experiment on valve-branch distributor of centrifugal precision metering device for rapeseed, Transactions of the Chinese Society for Agricultural Machinery, 46, 9, pp. 77-84, (2015)
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