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DOI: 10.15507/2658-4123.030.202001.133-148
The Results of Field Tests of an Onion Set Harvesting Machine Equipped with a Shaker Arrangement Asymmetrical Bar Elevator
Aleksey S. Dorokhov
Deputy Director on Scientific and Organizational Work, Federal Scientific Agroengineering Center VIM (5, 1st Institutskiy Proyezd, Moscow 109428, Russia), D.Sc. (Engineering), Professor of Russian Academy of Sciences, Corresponding Member of RAS, Researcher ID: H-4089-2018, ORCID: https://orcid.org/0000-0002-4758-3843, This email address is being protected from spambots. You need JavaScript enabled to view it.
Alexey V. Sibirev
Senior Researcher of Department of Technology and Machines in Vegetable Production, Federal Scientific Agroengineering Center VIM (5, 1st Institutskiy Proyezd, Moscow 109428, Russia), Ph.D. (Engineering), Researcher ID: M-6230-2016, ORCID: https://orcid.org/0000-0002-9442-2276, This email address is being protected from spambots. You need JavaScript enabled to view it.
Aleksandr G. Aksenov
Head of Department of Technology and Machines in Vegetable Production, Federal Scientific Agroengineering Center VIM (5, 1st Institutskiy Proyezd, Moscow 109428, Russia), Ph.D. (Engineering), Researcher ID: V-5572-2017, ORCID: https://orcid.org/0000-0002-9546-7695, This email address is being protected from spambots. You need JavaScript enabled to view it.
Introduction. Machines for harvesting roots and onions do not provide qualitative indices of root heap separation that leads to violation of technical requirements during harvesting. New solutions are needed to increase the quality of root separation, increase the quality of separation and reduce damage.
Materials and Methods. The article presents the design of the onion set harvesting machine. The machine is equipped with a bar elevator with asymmetrical arrangement of shakers. The technique and results of field research to determine the quality of set onion separation at the experimental rod elevator are described.
Results. The results of production research of the onion set harvesting machine showed qualitative performance of the technological process of separating onion heap at optimal values of parameters: center distance between elliptical shaker and supporting roller 0.36-0.4 m at full separation of 97.0-97.2% and onion damage 1.65-1.68%; forward speed of rod elevator with asymmetrical arrangement of elliptical shaker and supporting roller 1.6 m/s at full separation of 98.5% and bulb damage 1.3%.
Discussion and Conclusion. The use of a bar elevator with an asymmetrical arrangement of the elliptical shaker and support roller allows, in comparison with the symmetrical arrangement of shakers, an increase in bulb separation by 2.0% and a decrease in onion damage by 1.1%.
Keywords: bar elevator, shakers, progressive speed, separation quality, full separation, bulb damage, set onion
For citation: Dorokhov A.S., Sibirev А.V., Aksenov A.G. The Results of Field Tests of an Onion Set Harvesting Machine Equipped with a Shaker Arrangement Asymmetrical Bar Elevator. Inzhenerernyye tekhnologii i sistemy = Engineering Technologies and Systems. 2020; 30(1):133-148. DOI: https://doi.org/10.15507/2658-4123.030.202001.133-148
Contribution of the authors: A. S. Dorokhov – scientific guidance, formulation of the basic research concept; A. V. Sibirev – literary and patent analysis, writing the draft, drawing conclusions, editing the final text; A. G. Aksenov – critical analysis, experimental and theoretical researches.
All authors have read and approved the final manuscript.
Received 15.04.2019; revised 12.06.2019; published online 31.03.2020
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