ISSN: 2524-0714

Please use this identifier to cite or link to this item: http://elar.tsatu.edu.ua/handle/123456789/13029
Title: Research of properties of constant technological track of a bridge-type field machine
Authors: Bulgakov, Volodymyr
Kuvachov, Volodymyr
Кувачов, Володимир Петрович
Кувачев, Владимир Петрович
Ivanovs, Semjons
Nozdrovický, Ladislav
Korenko, Maros
Jobbágy, Ján
Keywords: constant tramline
bridge-type agricultural machine
monitoring of the properties
physical and mechanical properties of the soil
experimental studies
Issue Date: 2020
Series/Report no.: Scientific papers TECHNOFORUM 2020: New Trends in Machinery and Technologies for Biosystems;(Р. 26-33)
Abstract: One of the most important conditions for the sufficient adhesion of the wheels of the bridge-type agricultural machine to the supporting surface and the minimum resistance to their rolling are the physical and mechanical properties of traces of a constant tramline. The study of these properties is the real basis for ensuring a high efficiency of the operation of bridge-type agricultural equipment. However, the physico-mechanical properties of soil traces of a constant tramline are practically not studied. The aim of the research is to study the correlation between the indicators of the physicomechanical properties of the soil footprint of the constant tramline and their influence on the adhesion and traction of bridge agricultural equipment. Experimental studies were carried out both according to generally accepted and developed methods, and provided for the use of modern control and measuring equipment. Processing of experimental data was carried out on a PC using regression analysis. The object of experimental research was a bridge-type agricultural machine having a design we have developed. As a result of the study, it was found that the density and hardness of the soil in the 0…5 cm layer of traces of a constant tramline substantially depend on soil moisture content. A high nonlinear correlation was established between the hardness and density of the soil track of the track, which is approximated by a quadratic equation. Its practical use allows us to predict the density of traces of the constant tramline and vice versa from the results of hardness measurements. From the position of ensuring maximum coupling properties and traction of the bridge-type agricultural machine when it moves along the soil track of a constant tramline, it has been established that an increase in the hardness of the latter requires an increase in air pressure in the tire of its wheels and vice versa. The studies confirm the fact that the maximum efficiency of the movement of the bridge-type agricultural equipment along the soil traces of a constant tramline can be achieved only if the air pressure in the tires of its wheels is correctly set. The magnitude of the latter, in turn, depends on the physico-mechanical properties of the soil trace of a constant tramline.
URI: http://elar.tsatu.edu.ua/handle/123456789/13029
Appears in Collections:кафедра Машиновикористання в землеробстві

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