Theoretical research of parameters of combined top-gathering aggregate

Abstract

The purpose. To increase productivity of combined top-gathering aggregate, which is used as a part of top-gathering machine frontally mounted on a wheel tractor and hooked on behind the cleanser of heads of root crops from the remnants of haulm, on the basis of development of original positions of the theory of bulding-block design with the maximum productivity and minimum power expenditures. Methods: theories of mathematical simulation, theory of a tractor, bases of use of machines in plant growing, creation of programs and numerous accounts for PC. Results. Mathematical model is developed of justification and sampling optimum parameters of machine-and-tractor aggregates which consists of a tractor, frontally mounted top-gathering machine and hooked on behind the cleanser of heads of root crops from the remnants of haulm. They determined analytically dependence of working speed of such combined top-gathering aggregate and its productivity on the resistivity created by the top- gathering machine and cleanser, calculated optimum parameters of these aggregates by criteria of productivity and power consumption. Conclusions. As the result of multiple simulations on PC it is fixed that integral-tilling wheel tractor of the 3rd class will ensure the greatest productivity at use of the combined top-gathering aggregates for all range of width of cut and in all range of changes of specific draught resistance. Owing to power reserve there is an opportunity of application of additional drives, in particular root-gathering machines.