EXPERIMENTAL STUDIES OF THE PHYSICAL MODEL OF A NEW WORKING TOOL OF SUBSOIL CHIESEL PLOWS

The purpose of developing a new working tool is to reduce traction resistances and increase the loosening extent and quality of plowed soil layers and plow pan. Experimental studies were conducted on a plot of land with a reduced model of the new two-level subsoil chisel plow. Application of the two-level design is aimed at more extended coverage of soil profile handling inside the chisel plow circuit with reduced traction resistances. The loosening degree increase is achieved by installing side panels and a working tool share at the best angle. Traction resistance were determined depending on the depth of loosening. The degree of loosening was measured taking into account the amount of soil surface inflation, as well as the cross section of a loosened plot. The experimental study results were processed using methods of statistical analysis. The analysis of the results has shown that using a new two-level subsoil chisel plow reduces traction resistance to loosening by 7…10% as compared with the basic working tool. The loosening degree has increased by 10…15%, while ensuring maximum distribution uniformity of soil lumps over the entire treatment area.