DEVELOPMENT AND RATIONALITY SUBSTANTIATION OF USING PNEUMATIC VIBRATING ACTION LOOSENERS ON PLOW BODIES

Keywords: plow, pneumatic hammer, pneumatic soil loosener, vibrations, traction resistance, coefficient of friction, vibro plow

Abstract

The article analyzes modern trends in solving the problem of energy resource saving when performing soil cultivation operations. The paper sets an empirical task to develop a mechanism for ensuring vibrations on plow bodies and to reveal the general theoretical dependence of the oscillatory action of vibratory looseners on the traction resistance of the unit. It is proposed to improve the plow by installing an additional pneumatic soil loosener in the ploughshare. Due to this, the unevenness and maximum deviations of the soil resistance will decrease, which will increase the reliability and durability of the housings and the plow as a whole. The rational formula of V.P. Goryachkin was adapted to derive the dependence of traction resistance on the action of vibrations. In order to take into account the effect of vibrations in it, an analysis of research by domestic and foreign scientists was carried out on the subject of the influence of vibrations on the friction coefficient f0 and specific traction resistance K. The averaged data was taken during the construction of the theoretical dependences for the plow with the use of pneumatic looseners of vibration action in this paper. The given graph of the dependence of the traction resistance on the speed of movement at different depths of cultivation for traditional units and units with the use of vibratory looseners in general in general appearance and values corresponds to similar graphs of traction resistance given by other scientists. It was found that the use of vibrations reduces the theoretically calculated traction resistance of the plow in the speed range of 0.5–2.5 m/s by 19–23 %. Moreover, at lower speeds, the influence of vibrations is more important: a reduction in traction resistance by 22–23 % at a speed of 0.5m/s and by 19–20 % at 2.5m/s, which is fully correlated with the data of a number of other studies. The results obtained in the work can further serve to clarify and improve existing engineering methods for calculating the main characteristics and parameters of vibratory plows, both at the stages of their design / construction and in real operation modes.

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Published
2023-12-04
How to Cite
Yermakov, S., Duhanets, V., Oleksiyko, S., Vilchinska, D., & Pukas, V. (2023). DEVELOPMENT AND RATIONALITY SUBSTANTIATION OF USING PNEUMATIC VIBRATING ACTION LOOSENERS ON PLOW BODIES. Bulletin of Sumy National Agrarian University. The Series: Mechanization and Automation of Production Processes, (3 (53), 26-31. https://doi.org/10.32782/msnau.2023.3.5