Results 61 to 70 of about 5,034 (157)

The stress-strain state of the flat rope caused by breaks of tractive elements and design of hoisting engine drum [PDF]

open access: yes, 2017
Встановлені аналітичні залежності для визначення напружено-деформованого стану плоского гумотросового каната підйомної машини з урахуванням відхилення твірної барабана від прямої лінії та розриву троса каната.
Belmas, I.   +6 more
core  

Dynamics of disconnectable microdrives of mine hoisting units [PDF]

open access: yes
A model study is presented of drives for the electromagnetic clutches used in hoists. Equations are set up and solved, describing the principles of the slip variation during the transient period of the plate ...
Maslix, A. K., Pampura, D. P.
core   +1 more source

Comparative Analysis of Mine Shaft Hoisting Systems' Brake Temperature Using Finite Element Analysis (FEA). [PDF]

open access: yesMaterials (Basel), 2022
Popescu FD   +5 more
europepmc   +1 more source

Opportunities for repairing the unloading bunker on shaft Golema Reka - Sasa Mine [PDF]

open access: yes, 2013
The paper presents a repairing strategy for the damaged unloading bunker in the “Golema Reka” shaft hoisting system, including technology, equipment materials and work organization with special concern for workers safety.
Adjiski, Vancho   +4 more
core  

Determination of parameters of perturbation zone of a stress-strain state of a rubber-cable tractive body [PDF]

open access: yes, 2018
Досліджено механізм локального впливу різноманітних чинників на напружено-деформований стан плоского гумотросового тягового органа. Отримані результати дозволяють визначати умови прийнятності гіпотези про незалежність дії різних чинників
Bilous, O.   +14 more
core  

Retrospective assessment of occupational disease trends in Russian Arctic apatite miners. [PDF]

open access: yesInt J Circumpolar Health, 2022
Syurin SA   +3 more
europepmc   +1 more source

The Hoisting Machines as Source of Higher Harmonics in Underground Mines

open access: yes
The chapter describes the structure of drive systems used in hoisting machinery of underground mines. These devices, due to their special application and power, are characterized by special traits. The most commonly used systems with DC reciprocating motors are described. The so-called complex (multi-pulse) converters are used in those solutions.
openaire   +1 more source

Drilling process monitoring for a wealth of extra factual data from drillhole site investigation [PDF]

open access: yes, 2006
This paper presents a method for obtaining valuable additional information from automatic drilling process monitoring in conventional drillhole site investigation.
Chen, J, Gao, W, Lee, CF, Yue, QZQ
core  

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