Vasilkevich V.I., Dvornikov V.І., Ilyin S.R. Determining of extreme values for dynamic loads on the shaft equipment

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Parent Category: Geo-Technical Mechanics, 2016

Category: Geo-Technical Mechanics, 2016, Issue 126

Geoteh. meh. 2016, 126, 71-80

DETERMINING OF EXTREME VALUES FOR DYNAMIC LOADS ON THE SHAFT EQUIPMENT
¹Vasilkevich V.I., ²Dvornikov V.І., ³Ilyin S.R.
¹RIMM named by M.M.Fedorov, Kiev branch, ²RIMM named by M.M.Fedorov, ³IGTM NAS of Ukraine

UDC 622.673.1

Abstract. The authors formulate a problem of determination of extreme values for the contact loadings in the "cage - rigid shaft equipment " system in the vertical shafts of the coal mines, and propose the way of this problem solving. Mathematical model of dynamic interaction between the cage and unilateral or bilateral rail guides in the main frontal plane of the shaft equipment is validated. Extreme states, which lead to the most intensive dynamic loads on the system guides, were determined. The formulas are presented, which link extreme values of the edge-runner horizontal accelerations, measured by specialized equipment, to maximum values of the contact loads depending on inertial and geometrical parameters of the cage and shaft equipment. These formulas can beused for dynamic rapid monitoring of the "cage-shaft equipment" systems.

Keywords: mine shaft, mine hoisting plant, rail guides in the shaft equipment, "cage-shaft equipment" system, dynamic loading on the shaft equipment.

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About the authors:

Vasilkevich Viktor Ivanovich, Researcher, Scientific Research Institute of Mining Mechanics. M.M.Fedorova, Kiev branch, Kiev, Ukraine
Dvornikov Vladimir Ivanovich, D.Sc. (Tech.), Professor, Scientific Research Institute of Mining Mechanicsnamed by M.M.Fedorov, Ukraine
Ilyin Sergey Rostislavovich, Ph.D. (Tech.), Senior Researcher., Chief of the Laboratory of diagnostics and testing equipment mine hoist systems, M.S. Poliakov Institute of Geotechnical Mechanics under the National Academy of Ukraine (IGTM NAS of Ukraine), Dniepropetrovsk, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

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