Iljin S.R., Iljina I.S. Features of regulation of pulls of ropes multirope lifting options with by monosectional declining pulleys

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Parent Category: Geo-Technical Mechanics, 2016

Category: Geo-Technical Mechanics, 2016, Issue 126

Geoteh. meh. 2016, 126, 157-185

FEATURES OF REGULATION OF PULLS OF ROPES MULTIROPE LIFTING OPTIONS WITH BY MONOSECTIONAL DECLINING PULLEYS
¹Iljin S.R., ²Iljina I.S.
¹IGTM NAS of Ukraine, ²National Mining University

UDC 622.673.1

Abstract. The paper solved the problem of the study of influence of radii deviations gutters multirope pulleys and ropes lengths of mine hoisting installations monobloc diverting pulleys on the distribution of load between the ropes in the string, and pitches head ropes for mine hoisting installations. The conditions for the emergence of a local slip of individual cables for the deflection and drive pulley. The solutions, establishing quantitative relationships imbalance tension ropes and string pitches between the pulleys.

It has been shown that a short string rope between the pulleys is a hub of high tension imbalance between the ropes, which is why slippage of individual cables is realized mainly by diverting pulley and depends on the ratio between the radii of the gutter deviations of the rope on the drive and deflection pulleys at the same time. It is shown that the limit values of the radii gutters deviations depend on the elastic lining of the leading and deflecting pulleys. A mathematical model of the process unbalance tension cables adapted for use in the software of the automated systems of control tension ropes multirope installations.

The solutions that enable software agents to determine the parameters necessary correction lengths and radii of the individual rope pulleys chutes to achieve uniform distribution of tension between the ropes in the power transmission system of the elevator installation.
Keywords: multiple-shaft elevator installation, tension rope deflection, deflection length cables, multiple-drive pulley, multiple-diverting pulle.

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About the authors:

Iljin Sergey, Ph.D., Senior Researcher, Senior Researcher of the Department of Rock Thermoaerodynamics and Automated Systems, Institute of Geotechnical Mechanics. named by N.S. Polyakov of National Academy of Sciences of Ukraine (NASU IGTM), Dnepr, Ukraine.
Iljina Inna, Ph.D., Associate Professor of the Department of Mining Mechanics, State Higher Educational Institution "National Mining University" (SHEI "NMU"), Dnepr, Ukraine. 

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