Results 1 to 10 of about 89 (87)

Justification of the algorithm for selecting the parameters of the elastic lining of the drums of mine hoisting machines [PDF]

open access: yesE3S Web of Conferences, 2019
When calculating the stress-strain state of a cylindrical drum of a mine hoisting machine loaded with a metal rope, the stiffness parameters of the elastic lining and frontal surface are taken into account.
Zabolotnyi Kostiantyn   +3 more
doaj   +3 more sources

The Technical and Economic Aspects of Using DC or AC Motors in the Drive of Hoisting Machines

open access: yesEnergies
A hoisting machine is one of the main components of an underground mine process line. The drive systems currently used in these machines are based on direct current, synchronous, or induction (AC) motors. Power electronic converters are used to power and
Tomasz Siostrzonek   +2 more
doaj   +3 more sources

Conceptual bases of intensification of mining operations in mines of Ukraine based on monitoring and condition management of mine hoisting systems [PDF]

open access: yesE3S Web of Conferences, 2019
The article justifies technical and organizational solutions aimed at improving the operational properties of hoisting equipment, the development of methods and means of controlling the operational state of existing systems in complex mining-geological ...
Ilin Serhii   +4 more
doaj   +1 more source

The Mine Shaft Energy Storage System—Implementation Threats and Opportunities

open access: yesEnergies, 2023
For several years, research work has been carried out on energy storage that uses changes in the potential energy of masses being lifted or lowered. The energy of such a solution depends on the mass to be transported and the height to which the weight ...
Tomasz Siostrzonek
doaj   +1 more source

Development of the theory of laying a hoisting rope on the drum of a mining hoisting machine [PDF]

open access: yesE3S Web of Conferences, 2019
For new designs of mine hoisting machines, the development of scientifically-based solutions to increase the rope capacity and reduce the size of the machines is relevant.
Zabolotnyi Kostiantyn   +2 more
doaj   +1 more source

Method for calculating a two-drum mine winder

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2020
In the Republic of Belarus, on the base of JSC “Soligorsk Institute for Resources Saving Problems with Pilot Production”, the development and launch of import-substituting mass production of large-capacity double-drum mine winders with an increased ...
V. Ya. Prushak, A. P. Dvornik
doaj   +1 more source

Modernization of Control Systems of Electric Drives of Mine Lifting Machines

open access: yesE3S Web of Conferences, 2018
The article shows the peculiarity of the system of technological automation of the newest Simatic S7-1500 PLCs, for electric drives of hoisting transport machines, the analysis of control systems for electric drives of operating mine hoisting machines of
Eshmurodov Ziyodullo, Holboiv Folib
doaj   +1 more source

Strengthening elements of steel structures for controlling fatigue fracture

open access: yesMetalurgija, 2021
The article deals with the issues of reliable operation of steel structures of mine hoisting machines. It is proposed to strengthen the “weak points” of the braking device beam structure, which will further prevent the formation and growth of cracks in ...
P. A. Kropachev   +2 more
doaj  

Strengthening elements to increase fatigue strength of mine hoisting machine steel structures

open access: yesMetalurgija, 2022
The article deals with the issues of reliable operation of metal structures of mine hoisting machines. A method has been developed that makes it possible to increase the brake device steel beam structures strength, which will further prevent the ...
A. D. Mekhtiyev   +5 more
doaj  

Development of a three-parameter model of the shoe brake contact interaction with the drum in mine hoisting machine

open access: yesE3S Web of Conferences, 2018
For safe operation of mine hoisting machines (MHM) in the mining industry, it is necessary to provide high constructive reliability of brake systems, in particular, brake systems based on the block brake.
Zabolotnyi Kostiantyn   +2 more
doaj   +1 more source

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