Purpose. To determine the parameters of elastic-dissipative connections in the running gear of the mine vehicle ensuring its safety motion through vertical and horizontal irregularities of the rail track under given angular kinematic movability of its output elements. Methodology. We have formulated a differential equation system using Lagrange equations of the 2nd order, which have been solved in Wolfram Mathematica software after differentiation. The calculated data have been used in order toidentify the values of dynamic loadings affecting the output elements of the mine vehicle and for further evaluation ofelastic-dissipative connection parameters. Findings. The mathematical simulation and analysis of dynamic processes of mechanical system "mine vehicle - railroad" has been carried out. The values of dynamic load of output elements of the running gear (on the example ofmine cart ВГ-3.3-900 with movable and resilient mounting of wheel) have been determined. The received data became initial data for calculation of the elastic-dissipative connection "wheel centre - tread". We have determined that the additional kinematic wheel movability provided by the elastic-dissipative properties is one of the main factors that influence the safety factor at curvatures.

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