2017
DOI: 10.1515/amsc-2017-0021
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Braking Distance of Hoist Conveyances Required for Safe Stopping Under the Conditions of Emergency Braking

Abstract: mentów lin jak dla cięgna sprężystego z uwzględnieniem zmiennej długości odcinka lin nośnych między naczyniem hamowanym w wieży a kołem pędnym.Podano wzory analityczne określające przemieszczenie masy naczynia górnego wraz z urobkiem, hamowanego w wieży, dla stałej wartości współczynnika sprężystości odcinka lin nośnych między naczyniem hamowanym w wieży a kołem pędnym, jako funkcję siły hamującej oraz parametrów ruchowych wyciągu.Przeprowadzono analizę pracy urządzenia wyciągowego w warunkach hamowania awaryj… Show more

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“…However, the response characteristics, lifting efficiency, and effective load rate of traditional mine hoists cannot meet the needs of ultra-deep mine hoists. At the same time, the hydraulic brake system has a complicated hydraulic circuit [11], and there may be hydraulic oil leakage and hydraulic oil deterioration and other issues [12][13][14][15]. In order to adapt to new demands, it is necessary to adopt new braking technology.…”
Section: Introductionmentioning
confidence: 99%
“…However, the response characteristics, lifting efficiency, and effective load rate of traditional mine hoists cannot meet the needs of ultra-deep mine hoists. At the same time, the hydraulic brake system has a complicated hydraulic circuit [11], and there may be hydraulic oil leakage and hydraulic oil deterioration and other issues [12][13][14][15]. In order to adapt to new demands, it is necessary to adopt new braking technology.…”
Section: Introductionmentioning
confidence: 99%
“…During dynamic operations, especially in severe conditions such as acceleration and emergency braking, the long-distance suspended rope will produce large elastic vibrations and tension impacts under the influence of the terminal heavy container [3][4][5]. The vibration impact produces not only longitudinal tension, but also horizontal and torsional vibration due to the transmission of the shock wave [6,7]. Especially when the depth and speed of the mine are continuously increasing, the time-varying characteristics of the rope length and the swirl of the wellbore gas flow [8] at the bottom of the container caused by the rapid speed change will intensify the vibration [3,9].…”
Section: Introductionmentioning
confidence: 99%