Engineering, Energy, Transport AIC


Issue №: 4 (123)

Published: 2023.12.02
DOI: 10.37128/2520-6168-2023-4

The journal solves the problems of creation and improvement of machinery and technologies for agriculture: 131 - Applied Mechanics, 132 - Materials Science, 133 - Industrial Engineering, 141 - Power Engineering, Electrical Engineering and Electromechanics, 208 - Agricultural Engineering.

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DOI: 10.37128/2520-6168-2023-4-6
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Serhiy Shargorodskiy – Candidate of Technical Sciences, Associate Professor of the Department "Machinery and Equipment of Agricultural Production" of the Vinnytsia National Agrarian University (3, Solnychna str., Vinnytsia, Ukraine, 21008, e-mail: sergey20@vsau.vin.ua, https://orcid.org/0000-0003-2125-773X).

Dmutro Kondratuk – Postgraduate Student, Vinnytsia National Agrarian University (3, Solnychna str., Vinnytsia, Ukraine, 21008, e-mail: 1at15b.kondratiuk@gmail.com, https://orcid.org/0009-0000-3120-5162)


As stated in the humanitarian food program "Grain from Ukraine", launched by the President of Ukraine Volodymyr Zelenskyi: "The demand for agricultural products in the world is growing by 2-3% every year, and the shortage of grain on the markets of Africa and Asia may reach 10-15% already in 2024". Therefore, the issue of production of agricultural products is relevant today. As the analysis of the market of agricultural machinery shows, one of the directions of the development of the design of agricultural units is to increase the width of grip of tools for soil cultivation and plant care. The use of agricultural units with an increased working width has certain advantages:
- reduction of the number of passes of equipment on the ground;
- reduction of fuel consumption;
- reducing the negative impact of the unit on soil density.
Among the disadvantages of this type of aggregates should be attributed the increase in turning radii, as a result of the increase in width. It is possible to eliminate this shortcoming by quickly transferring the unit from the working position to the transport position and vice versa. To fulfill this task, a review of known designs of wide-grip aggregates was carried out. Known hydraulic drives for raising and lowering and folding and unfolding sections are considered. A kinematic diagram of the mechanism of rotation of the extreme section of the cultivator relative to the frame has been developed. Based on this calculation scheme, the reactions in the hinges were determined and the graphical dependencies of the mutual location of individual elements with respect to the angle of rotation φ were calculated. The existing hydraulic positioning mechanisms, which are equipped with chainless wide-grip machines and tools with articulated frames, do not provide the necessary maneuvering properties of MTA during their movement on the turning lane. Equipping hydroficated positioning mechanisms with follower stabilizing devices is a promising direction for improving hydraulic drives of machine-tractor units, which create prerequisites for reducing the turnaround time on the turning lane by selecting the parameters of the specified equipment.
The most important factor affecting the stability of the positioning of the sections of wide-grip machine-tractor units is the variable load that occurs on the hydraulic cylinder rod at the moment of turning the sections around the horizontal hinges at an angle of more than 90⸰, which causes inconsistency in the flows of the working fluid entering and leaving the hydraulic cylinder , which leads to the interruption of the flow in the cavity of the hydraulic cylinder, which is connected to the injection hydraulic line.

Keywords: wide-grip unit, hydraulic drive, support, kinematics, reaction in the support.

List of references

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About journal

Topics of the journal:

131 - Applied Mechanics

132 - Materials Science

133 - Industry engineering

141 - Power engineering, electrical engineering and electromechanics

208 - Agricultural engineering

The magazine "Engineering, Energy, Transport AIC" is included in the list of scientific professional editions of Ukraine on technical sciences

(Category "Б", Order of the Ministry of Education and Science of Ukraine dated 02.07.2020 №886)

Old version of site: http://tetapk.vsau.edu.ua, http://techjournal.vsau.org

The journal "Engineering, Energy, Transport AIC" is indexed according to the following databases and catalogs:

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                  Crossref logoНБУ ім. В.І. Вернадського logo
Key information:
ISSN (print): 2520-6168
DOI: 10.37128/2520-6168

Certificate of state registration of mass media: No. 21906-11806 P dated 03/12/2016.

Founder of the journal: Vinnytsia National Agrarian University

Editor-in-chief: Oleksii Tokarchuk - Ph.D., Associate Professor, VNAU (Vinnytsia)

Deputy Editor-in-Chief: Natalia Veselovska - Doctor of Technical Sciences, Full Prof., VNAU (Vinnytsia)

Executive Secretary: Yuriy Polevoda- Ph.D., Associate Professor, VNAU (Vinnytsia)

Members of the Editorial Board:

Tokarchuk O.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Veselovska N.R. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Agrarian University

Polevoda Yu.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Jordan Todorov Maximov - Doctor of Technical Sciences, Full Professor, Technical University of Gabrovo (Bulgaria)

Bulgakov V.M. - Doctor of Technical Sciences, Full Professor, Acad. NAAS, National University of Life and Environmental Sciences of Ukraine

Hraniak V.F. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Ivanchuk Y.V. - Doctor of Technical Sciences, Associate Professor, Vinnytsia National Technical University

Iskovich-Lototsky R.D. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Technical University

Kupchuk I.M. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Sevostianov I.V. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Agrarian University

Spirin A.V. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Tverdokhlib I.V. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Tsurkan A.V. - Doctor of Technical Sciences, Associate Professor, Vinnytsia National Agrarian University

Yaropud V.M. - Ph.D., Associate Professor, Vinnytsia National Agrarian University


Type of publication: journal

Kind of publication: scientific

Publication status: domestic

Year of foundation: 1997

Periodicity: 4 times per year

Volume: 18-20 conv. print. sheet (А4)

ISSN: 2520-6168 (print version), (online version)

Language of publication: (mixed languages) Ukrainian, English

The sphere of distribution and category of readers: national, foreign, faculty, scientists, entrepreneurs.

The periodical edition is included to the List of scientific professional publications of Ukraine on technical sciences, approved by order of the Ministry of Education and Science of Ukraine in 05.16.2016, No. 515.

The journal "Engineering, Energy, Transport AIC" is included in the "Catalog of Ukrainian Publications".

Subscription to the journal can be issued in each post office. The subscription index is 99720.

History of journal:

It was founded in 1997 under the title "Bulletin of the Vinnitsa State Agricultural Institute." According to the Decree of the Presidium of the Higher Attestation Commission of Ukraine of September 11, 1997, this publication received the status of a professional in which it is allowed to publish the main results of dissertation researches.

In 2001-2014 the journal published under the title “Collection of scientific works of Vinnytsia National Agrarian University. Series: Technical Sciences "(Certificate of State Registration of Mass Media KV No. 16644-5116 PR of 04/30/2010).

Since 2015 journal has title "Engineering, Energy, Transport AIC" (Certificate of State Registration of Mass Media No. 21906-11806 P dated 03/12/2016).