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УДК 631.5

DOI: https://doi.org/10.36887/2415-8453-2025-2-62

Antoshchenkov Roman,
Doctor of Technical Sciences, Professor, Head of the Department of Mechatronics, Life Safety and Quality Management, State Biotechnological University
https://orcid.org/0000-0003-0769-7464
Cherevatenko Halyna,
Postgraduate student of the Department of Mechatronics, Life Safety and Quality Management, State Biotechnological University
https://orcid.org/0000-0002-8972-3875
Antoshchenkov Viktor,
Candidate of Technical Sciences, Associate Professor, Associate Professor of the Department of Tractors and Automobiles, State Biotechnological University,
https://orcid.org/0000-0002-1136-5430
Sklyar Oleksandr,
Candidate of Technical Sciences, Professor, Head of the Department of Operation and Technical Service of Machines, Dmytro Motorny Tavria State Agrotechnological University,
https://orcid.org/0000-0002-0456-2479
Sklyar Radmila,
Candidate of Technical Sciences, Associate Professor, Associate Professor of the Department of Operation and Technical Service of Machines, Dmytro Motorny Tavria State Agrotechnological University
https://orcid.org/0000-0002-1547-5100

JEL classification: Q16, O33, C60

The article presents the results of studies of the outflow between the wheel differential on the dynamic and traction and energy indicators of an all-wheel drive four-wheeled tractor. It has been established that there is a steady trend in the creation and operation of energy-saturated tractors operating as part of wide-field agricultural units. Locking the differential of wheeled tractors has a positive effect on traction performance. In a locked drive, there is a particular constant relationship between the angular velocities of the tractor wheels. In such a drive, the circulation of the parasitic power of the transmission is possible. At the same time, there is a decrease in the traction efficiency of the tractor, tire wear increases, and dynamic loads on the transmission elements increase. To assess the flow between the wheel differential on the dynamics, a kinematic model of a traction and transport machine with an articulated frame was compiled (on the example of the KhTZ-243KS tractor). The developed method for estimating the flow between the wheel differential on the trajectory of the tractor half-frames and traction and energy indicators requires validation through experimental studies. During such studies, a measuring system of dynamics and energy of mobile machines was used. The influence of the wheel differential on the trajectories of the tractor half-frames depends on the fracture angle of the tractor half-frames 5, 10, and 20. The influence between the wheel differentials on the traction and energy indicators of the tractor has been determined. The tangential traction forces on the wheels have been determined, which range from 3550 N to 4250 N for the front and from 1325 N to 1855 N for the rear wheels of an all-wheel drive tractor. Determined theoretically and obtained during experimental studies is 2%. The developed method for estimating the flow between the wheel differential on the dynamics of a wheeled all-wheel drive tractor must be considered valid. The method proposed in the paper can be used to assess the dynamics of wheeled vehicles.

Keywords: tractor, differential, locking, tangent force, torque, trajectory, fracture angle.

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The article was received 22.04.2025

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Antoshchenkov Roman, Cherevatenko Halyna, Antoshchenkov Viktor, Sklyar Oleksandr, Sklyar Radmila. 22.04.2025 . Study of the influence of the inter-wheel differential on the dynamic and traction-energy indicators of an all-wheel drive four-wheeled tractor. The journal "Ukrainian Journal of Applied Economics and Technology". 2025 / #2. 322-327pp. https://doi.org/10.36887/2415-8453-2025-2-62

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Antoshchenkov Roman, Cherevatenko Halyna, Antoshchenkov Viktor, Sklyar Oleksandr, Sklyar Radmila. "Study of the influence of the inter-wheel differential on the dynamic and traction-energy indicators of an all-wheel drive four-wheeled tractor". The journal "Ukrainian Journal of Applied Economics and Technology". 22.04.2025 . https://doi.org/10.36887/2415-8453-2025-2-62

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