РОЗМІЩЕННЯ НАВІСНИХ МАШИН НА ТРАКТОРНОМУ САМОХІДНОМУ ШАСІ З УМОВ ЗАБЕЗПЕЧЕННЯ СТІЙКОСТІ МАШИНО-ТРАКТОРНОГО АГРЕГАТУ

The purpose of the article is to establish scientifically based conditions for ensuring longitudinal and transverse stability of aggregates based on self-propelled tractor chassis when mounting attachments of different weights and designs. The paper considers the relationship between the static and dynamic stability of the unit, as well as the factors that determine their change when working on ascents, slopes, and micro-relief irregularities. The influence of the coordinates of the center of gravity of the mounted machine, track width, chassis weight parameters, and the interaction of working bodies with the ground on the formation of stability reserves is analyzed. Analytical expressions and graphical dependencies are presented that allow determining the permissible vertical and horizontal coordinates of the center of gravity of the mounted machine based on the requirements for safe operation. It is shown that changing the configuration of the unit and the nature of the aggregation can both increase and decrease stability, which must be taken into account at the design and verification calculation stages. The recommendations provided can be used to optimize the layout of tractor self-propelled chassis, establish rational mounting areas, and determine the working track to ensure the reliability and stability of units in real operating conditions.