Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device

The hole forming device is an important element of the buckwheat hill-drop planter, and its design level directly affects the seeding quality of the hill-drop planter. A hole forming device with a duckbill structure is widely used in hill-drop planters for wheat, cotton, peanuts, etc. According to t...

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Autores principales:	Yu Chen, Yuming Cheng, Jun Chen, Zhiqi Zheng, Chenwei Hu, Jiayu Cao
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	buckwheat dibber wheel hole forming device EDEM RecurDyn co-simulation Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/238daf5c832a443bb7b2c019f55bcb12
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spelling	oai:doaj.org-article:238daf5c832a443bb7b2c019f55bcb122021-11-25T15:58:57ZDesign and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device10.3390/agriculture111110852077-0472https://doaj.org/article/238daf5c832a443bb7b2c019f55bcb122021-11-01T00:00:00Zhttps://www.mdpi.com/2077-0472/11/11/1085https://doaj.org/toc/2077-0472The hole forming device is an important element of the buckwheat hill-drop planter, and its design level directly affects the seeding quality of the hill-drop planter. A hole forming device with a duckbill structure is widely used in hill-drop planters for wheat, cotton, peanuts, etc. According to the requirements of buckwheat seeding operations, this study designs the components of the duckbill hole forming device. It is determined that the duckbill upper jaw length is 65 mm, the duckbills number is 10, the pressure plate on the spring side length is 90 mm, the duckbill opening size is 8.79 mm, and the duckbill effective opening time is 0.1 s. Through co-simulation analysis of discrete element software EDEM (DEM-Solutions, Edinburgh, United Kingdom) and multi-body dynamics software RecurDyn (FunctionBay, Inc., Seongnam-si, South Korea), it is measured that when the pressure plate on the spring side is directly below the rotation axis of the dibber wheel, the spring compression is 33.3 mm, the pressure on the pressure plate is 95–102.6 N, and the contact time of a single duckbill with the soil is 0.2 s at a speed of 40 r/min. Based on the results of the design and simulation analysis, the large end diameter, small end diameter, original length and wire diameter of the duckbill spring are 36 mm, 26 mm, 60 mm, and 1.8 mm, respectively. An experimental bench for the seeding wheel of a buckwheat hill-drop planter was built, and three wire diameter duckbill springs of 1.6 mm, 1.8 mm and 2.0 mm were tested to verify the simulation and calculation results. The experimental results show that the optimal wire diameter of the duckbill spring is 1.8 mm. Finally, a single factor experiment of the dibber wheel rotation speed was carried out. The experimental results show that when the rotation speed of the dibber wheel is 40–65 r/min, the seeding qualification rate, seeding void hole rate and seeding damage rate of the buckwheat hill-drop planter are ≥85.3%, 0, and <0.3%, respectively. This study provides a basis and reference for the hole forming device design of a buckwheat hill-drop planter.Yu ChenYuming ChengJun ChenZhiqi ZhengChenwei HuJiayu CaoMDPI AGarticlebuckwheatdibber wheelhole forming deviceEDEMRecurDynco-simulationAgriculture (General)S1-972ENAgriculture, Vol 11, Iss 1085, p 1085 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	buckwheat dibber wheel hole forming device EDEM RecurDyn co-simulation Agriculture (General) S1-972
spellingShingle	buckwheat dibber wheel hole forming device EDEM RecurDyn co-simulation Agriculture (General) S1-972 Yu Chen Yuming Cheng Jun Chen Zhiqi Zheng Chenwei Hu Jiayu Cao Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device
description	The hole forming device is an important element of the buckwheat hill-drop planter, and its design level directly affects the seeding quality of the hill-drop planter. A hole forming device with a duckbill structure is widely used in hill-drop planters for wheat, cotton, peanuts, etc. According to the requirements of buckwheat seeding operations, this study designs the components of the duckbill hole forming device. It is determined that the duckbill upper jaw length is 65 mm, the duckbills number is 10, the pressure plate on the spring side length is 90 mm, the duckbill opening size is 8.79 mm, and the duckbill effective opening time is 0.1 s. Through co-simulation analysis of discrete element software EDEM (DEM-Solutions, Edinburgh, United Kingdom) and multi-body dynamics software RecurDyn (FunctionBay, Inc., Seongnam-si, South Korea), it is measured that when the pressure plate on the spring side is directly below the rotation axis of the dibber wheel, the spring compression is 33.3 mm, the pressure on the pressure plate is 95–102.6 N, and the contact time of a single duckbill with the soil is 0.2 s at a speed of 40 r/min. Based on the results of the design and simulation analysis, the large end diameter, small end diameter, original length and wire diameter of the duckbill spring are 36 mm, 26 mm, 60 mm, and 1.8 mm, respectively. An experimental bench for the seeding wheel of a buckwheat hill-drop planter was built, and three wire diameter duckbill springs of 1.6 mm, 1.8 mm and 2.0 mm were tested to verify the simulation and calculation results. The experimental results show that the optimal wire diameter of the duckbill spring is 1.8 mm. Finally, a single factor experiment of the dibber wheel rotation speed was carried out. The experimental results show that when the rotation speed of the dibber wheel is 40–65 r/min, the seeding qualification rate, seeding void hole rate and seeding damage rate of the buckwheat hill-drop planter are ≥85.3%, 0, and <0.3%, respectively. This study provides a basis and reference for the hole forming device design of a buckwheat hill-drop planter.
format	article
author	Yu Chen Yuming Cheng Jun Chen Zhiqi Zheng Chenwei Hu Jiayu Cao
author_facet	Yu Chen Yuming Cheng Jun Chen Zhiqi Zheng Chenwei Hu Jiayu Cao
author_sort	Yu Chen
title	Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device
title_short	Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device
title_full	Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device
title_fullStr	Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device
title_full_unstemmed	Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device
title_sort	design and experiment of the buckwheat hill-drop planter hole forming device
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/238daf5c832a443bb7b2c019f55bcb12
work_keys_str_mv	AT yuchen designandexperimentofthebuckwheathilldropplanterholeformingdevice AT yumingcheng designandexperimentofthebuckwheathilldropplanterholeformingdevice AT junchen designandexperimentofthebuckwheathilldropplanterholeformingdevice AT zhiqizheng designandexperimentofthebuckwheathilldropplanterholeformingdevice AT chenweihu designandexperimentofthebuckwheathilldropplanterholeformingdevice AT jiayucao designandexperimentofthebuckwheathilldropplanterholeformingdevice
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Design and Experiment of the Buckwheat Hill-Drop Planter Hole Forming Device

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