食用向日葵原位仿生收获装置的设计与实验

Q2 Agricultural and Biological Sciences Agriculture Pub Date : 2024-07-17 DOI:10.3390/agriculture14071169
Xuefeng Zhu, Yang Xu, C. Han, Jia You, Xuejun Zhang, Hanping Mao, Xu Ma
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引用次数: 0

摘要

针对食用向日葵烘干后机械化程度低、收获质量差的问题,设计了一种原位仿生收获装置,可在不去除食用向日葵花盘的情况下实现食用向日葵的低损耗收获。根据田间向日葵茎秆的物理特性,获得了原位低损耗喂入的影响因素,确定了原位喂入机构的结构参数。基于仿生技术和静态分析,得出了仿生脱粒机构性能的影响因素。通过分析食用葵花籽的机械特性,确定了籽粒收集机构的运行参数。根据收割装置的结构分析结果,进行了响应面优化试验。试验结果表明,当仿生松土辊的平均转速为 113.57 rpm,模拟人工打击辊的平均转速为 230.80 rpm,收获装置的平均前进速度为 0.58 m/s 时,收获装置的工作质量最好,籽粒损失率为 2.12%,食用葵花籽圆盘脱粒率为 98.96%。现场验证试验进一步证实,在最佳工作参数下,试验指标与响应面优化试验结果的相对偏差小于 2%。在操作过程中,收割装置的关键部件运动协调、稳定。该研究成果可为烘干后食用葵花籽盘的机械化收获提供新思路。
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Design and Experiment of In-Situ Bionic Harvesting Device for Edible Sunflower
In view of the low degree of mechanization and poor quality of harvesting of edible sunflower after drying, an in situ bionic harvesting device was designed, which can achieve low-loss harvesting of edible sunflower without removing the edible sunflower disc. According to the physical characteristics of sunflower stalks in the field, influencing factors of in situ low-loss feeding were obtained, and the structural parameters of the in situ feeding mechanism were determined. Based on bionic technology and static analysis, the influencing factors on the performance of the bionic threshing mechanism were obtained. By analyzing the mechanical characteristics of edible sunflower seed, the operation parameters of the seed collection mechanism were determined. Based on the structural analysis results of the harvesting device, a response surface optimization test was carried out. The test results show that when the average rotation speed of the bionic loosening roller was 113.57 rpm, the average rotation speed of the simulated artificial striking roller was 230.80 rpm, the average forward speed of the harvesting device was 0.58 m/s, the working quality of the harvesting device was the best, the seed loss rate was 2.12%, and the edible sunflower disc threshing rate was 98.96%. A field verification test further confirms that under the optimal working parameters, the relative deviation between test indexes and response surface optimization test results was less than 2%. During the operation process, the movement of key components of the harvesting device was coordinated and stable. The research results can provide new ideas for the mechanized harvesting of the edible sunflower disc after drying.
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来源期刊
Agriculture
Agriculture Agricultural and Biological Sciences-Horticulture
CiteScore
1.90
自引率
0.00%
发文量
4
审稿时长
11 weeks
期刊介绍: The Agriculture (Poľnohospodárstvo) is a peer-reviewed international journal that publishes mainly original research papers. The journal examines various aspects of research and is devoted to the publication of papers dealing with the following subjects: plant nutrition, protection, breeding, genetics and biotechnology, quality of plant products, grassland, mountain agriculture and environment, soil science and conservation, mechanization and economics of plant production and other spheres of plant science. Journal is published 4 times per year.
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