Engineering, Energy, Transport AIC

Irina Gunko – Candidate of Technical Sciences, Professor of the Department of Agricultural Engineering and Technical Service, Vinnytsia National Agrarian University (Solnechnaya St., 3, Vinnytsia, 21008, Ukraine, e-mail: maniy@ukr.net , https://orcid.org/0000-0001-5470-7413).
Serhii Burlaka – Doctor of Philosophy, Senior Lecturer, Department of Technological Processes and Equipment of Processing and Food Production, Vinnytsia National Agrarian University (3 Solnechnaya St., Vinnytsia, 21008, Ukraine, e-mail: ipserhiy@gmail.com, https://orcid.org/ 0000-0002-4079-4867).

The analysis of tools for uncultivated and surface tillage shows that the market of agricultural machinery lacks universal units that can reliably and efficiently perform both types of tillage with one machine. To assess the validity of the unit baseline model, field studies were conducted, during which key agronomic indicators of tillage quality were identified. Studies have shown that the rate of uncultivated soil exceeds 6.5 km / h, and the degree of soil cracking - more than 80%. At small tillage to a depth of 12 cm at operating speeds over 7.0 km / h. The use of additional working bodies will allow to form on the basis of the basic model of the unit narrower options for a particular car.
The optimal design parameters of the proposed plowing unit, in addition to the plow width of 4.5 m, include rollers of the same width to level the plow surface and the capacity of the fertilizer hopper 4 m3. Technical parameters in the process: plow depth α = 0.2 m, soil resistance coefficient Km = 30 kN/m2, working area Lp = 1000 m. surface treatment will reduce yields.
The energy model of functioning of the agricultural subdivision is presented. Studies have shown that by optimizing the ratio of tractor weight to engine power, you can increase the productivity of agricultural units. For stubble cultivation with a normal humidity of 8 km / h, with a permissible slip of 10%, the optimal parameters for a class 1.4 wheeled tractor will be the working weight m = 4790 kg and engine power N = 69.0 kW. In this case, the thrust will correspond to the 2nd thrust class.

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