EXPERIMENTAL RESEARCH RESULTS OF ENERGY-SAVING OPERATING MODE OF MECHANIZATION IMPLEMENT FOR BREAKING TREE BRANCHES

Abstract

Firewood raw material potential of Poltava region has been sharply decreasing during the recent years, and the search for alternatives induces house-owners to use wood waste. Waste-free technologies are much in demand. In this connection, the problem of utilizing fruit tree branches cut in orchards of personal peasants’ farms has to be solved. The use of broken tree branches on private peasant farmsteads as crisis sustainable fuel material is an alternative source for heating premises. Therefore, the problem of developing the technology and mechanization implements for breaking tree branches to be used as fuel material is topical at present. As tree branch raw material leads to upsetting the position of cutting balance during loading into the crusher intake bin, it is necessary to study the operating mode parameters with this material more attentively. At such technological process of breaking, changing the angle between the axis of tree branch delivery and disk rotation axis results in cutting branches with increased energy consumption. To eliminate this drawback, it is necessary to use the loading tray containing the device, which limits the elevation angle of tree branches to the disk rotation axis. Thus, the experimental studies of energy-saving operating modes of mechanization implements for crushing tree branches is an important scientifically applied task of the present day in the field of technologies and means of agricultural production mechanization. The purpose of the work was to substantiate energy-saving operating mode of mechanization implement for breaking tree branches with the aim of making fuel material for personal peasant farmstead. The main tasks of this work were to choose the optimal operating modes and construction parameters for tree branch crusher. As a result of the conducted work, it has been found that the area of the crusher rational values, namely the angle of cutting tree branches at delivery is within 30,000´…41,025´, and the distance of knife lug from the disk plane is in the range of 0.005m…0.011m. Moreover, electric engine power consumption of domestic crusher will make W=1.29…1.83 kW//h, which is the optimal value.