Combined implements for simultaneous loosening and levelling of soil surface

摘要

In the present article are given the scheme and description of combined implements for simultaneous loosening and levelling of soil surface. Results of researches on the study of the optimum form and parameters of a levelling working body for combined implements are presented. It is established that for achievement of the best quality of processing of soil before sowing with minimum costs of energy, the most acceptable working body consist of levelling and condensing soil surfaces. This has the condensing surface located under angle to the horizon 16° to 20°, and the levelling surface is located under angle 130° to 140° to a condensing surface. Thus the height of a working body must be within the limits of 150...200 mm and length of a condensing surface at 175 to 200 mm.