Abstract

The main reasons restraining the efficiency of timber trucks (hauling tractors with semi-trailers) have been considered. A promising direction has been proposed making it possible to increase the efficiency of hauling tractors with semi-trailers. This direction consists in the development and study of a recuperative bunk device for a timber haulage site, installed on a logging tractor. The aim of the research consisted of two stages. At the first stage, a mathematical model for the functioning of the recuperative bunk device of the logging site, installed on a timber truck has been developed. At the second stage, a computer program for a preliminary assessment of the efficiency of the proposed recuperative system has been created. The time dependence of the current recuperative power when hauling tractor moves along an insufficiently equipped timber road has been obtained. The regularity of the influence of the diameter of the hydraulic cylinder of the recuperative bunk device on the average values of the recovered power has been revealed.

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