Smirnov A. The development of the methods and means of the raising the reliability of belt conveyor framework of the coal mines with different types of roller supports

Object of research - process that arise at the motion of the large fraction bulk material along the conveyor framework of the coal mines. The objective is finding out the conformities of changing the quantity of dynamic loads that arise at the motion of the large fraction bulk material along the conveyor framework according to the bulk materials characteristics, conveyor options and types of roller supports, and the development of the methods and means of the raising the reliability of belt conveyor framework of the coal mines with different types of roller supports. In this paper, using methods of stochastic processes, methods of theoretical mechanics, mechanics methods threads when driving on them moving loads. To determine reliability index, conveyor framework used methods of probability theory, reliability theory and Markov processes. Experimental studies conducted in laboratory and industrial conditions using standard techniques, equipment and apparatus. The results of the undertaken researches allowed to work out the methodology, the new constructions of the elements of belt conveyor framework and to perform their industrial inspection. The methodology is referred to for use of "Research and Design Center DTEK" a preliminary assessment of the efficiency of transportation conveyor belts, recommendations transmitted and used at the mine "Almasna" m/m "Dobropilske". The expected economic effect amounted to 480 thousand UAH.