Forming the structure of automated system to control ground heavy-type ropeways

Abstract

Cand. Sc. (Tech.). Assoc. Prof., orcid.org/0000-0002-4011-5422, А. L. Shyrin, Cand. Sc. (Tech.), orcid.org/0000-0003-0026-2767, V. O. Rastsvietaiev, Cand. Sc. (Tech.). Assoc. Prof., orcid.org/0000-0003-3120-4623, O. V. Cherniaiev, orcid.org/0000-0001-8288-4011Purpose. To substantiate efficient structure of automated system to control ground heavy-type ropeways relying upon the analysis of calculation scheme.methodology. Theoretical studies on mathematical model of a mine ropeway to determine the regularities concerning the formation of dynamic forces within ground ropeway (GRW) chains in transient conditions as well as experiments concerning the facilities use in the context of the mine conditions involving original equipment.Findings. A structure of automated system to control ground heavy-type ropeways has been substantiated making it possible to improve both their efficiency and operational safety; moreover, it has been proposed to introduce additional functions.Originality. For the first time, the dependence of GRW dynamic coefficient on acceleration period has been determined with the consideration of the self-oscillation period of the system. A method aimed at the minimization of dynamic forces within the rope has been proposed.Practical value. Introduction of controlling functions of starting time into a structure of automated control system depending upon transportation distance, weight of a train, and limitation of maximum forces within a rope with the use of current element base makes it possible to prolong operational life substantially and, thus, reduce costs for its replacement and transportation costs on the whole while improving the efficiency of the facilities and their underground operation.

Determining conditions of using draglines in single-tier internal dump formation

“…This approach to the choice of a dragline excavator for the formation of a singletier internal dump can be adopted in de [14,15], quarries for the development of ilmenite deposits [16], as well as during filling the minedout space of open pits for min ing of construction raw materials [17,18]. calculation of stability parameters.…”

Archives of Mining Sciences

“…recently, the authors have contributed to widening the sphere of ground ropeways in terms of transporting rock mass, material, and people, while driving mine workings [4]. it has resulted in the growth of loads within the facilities components, road velocity, and, as a result, the development of new structures of heavy roads [5].…”

Rigidity of elastic shell of rubber-cable belt during displacement of cables relatively to drum

“…Conditions of mineral extraction in mining enterprises are being constantly complicated [1][2][3]. Their extraction is performed from considerable depth, the demand in volumes of extracted minerals increase, as well as demand in energy saving [4][5][6], efficiency and metal consumption of equipment [7][8][9], including the equipment of lifting and transportation [10][11][12]. Increase of performance and safety parameters serve the purpose of constant development and improvement of designs of modern machines, equipment and mechanisms in the field of mining [13][14][15], transportation [16][17][18] and technology [19][20][21].…”