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Wyświetlanie 1-4 z 4
Tytuł:
Opportunities to improve the efficiency of the “Gwarek 1200” belt conveyor
Autorzy:
Peruń, Grzegorz
Łazarz, Bogusław
Opasiak, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/1841161.pdf
Data publikacji:
2020
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
belt conveyor
roller
drive power
vibroacoustic diagnostic
przenośnik taśmowy
wałek
moc napędu
diagnostyka wibroakustyczna
Opis:
The article presents the results of research of the Gwarek 1200 belt conveyor. The work aimed to determine the possible benefits of changing the type of rollers used. It was expected that the change of the rollers from N-type to C-type will reduce the costs of energy consumed by the conveyor drive system. This part of the research was carried out in a hard coalmine at the level of 665 m. The test was given the entire power unit in terms of the starting power demand and rated power in real time. Measurement works were carried out before and after the modernization of the conveyor for 5 years. Moreover, it was decided to extend the research to include vibroacoustic tests, aimed at determining the technical condition by measuring vibrations. It is expected that based on the analysis of vibration signals in the long term will allow to develop a method for diagnosing belt conveyor rollers and to quickly detect their malfunction under normal operating conditions.
Źródło:
Transport Problems; 2020, 15, 4, cz. 2; 215-226
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of changes in the working temperature of flexible couplings on their stiffness characteristics
Autorzy:
Opasiak, Tadeusz
Margielewicz, Jerzy
Gąska, Damian
Haniszewski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2203862.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
flexible coupling
dynamic characteristic
sprzęgło elastyczne
charakterystyka dynamiczna
Opis:
This article compares flexible couplings of the spider-type insert, and the tiretype insert. The influences of the volume and hardness of the elastomeric connector on the characteristics of this type of coupling, as well as the course of the change of the stiffness coefficient as a result of changes in the operating temperature, are presented. In drive systems, flexible couplings undergo very frequent changes within a wide range of operating temperatures, which causes a change in the dynamic parameters of the flexible couplings during operation.
Źródło:
Transport Problems; 2022, 17, 4; 177--186
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rollers for belt conveyors in terms of rotation resistance and energy efficiency
Autorzy:
Opasiak, Tadeusz
Margielewicz, Jerzy
Gąska, Damian
Haniszewski, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2203884.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
belt conveyor
roller
motion resistance
przenośnik taśmowy
wałek
opór ruchu
Opis:
The paper shows the results of researching the rollers used in belt conveyors working in a hard coal mine. Rollers should be characterized by low rotation resistance, which results in low power consumption of the propulsion unit. The tests conducted aimed to assess the technical condition of the new C-type rollers after several years of operation in a hard coal mine. The research was carried out from the new approach to the standard issues of roll testing and verification in a hard coal mine. Laboratory tests were combined with testing the entire belt conveyor in terms of power demand. The research was carried out for 3 years and it was monitored how the dynamic resistance of the working rollers changed and how this translates into the power demand consumed by the belt conveyor in a hard coal mine. The aim of the research was a new approach to the research of rollers used in conveyors operating in a mine.
Źródło:
Transport Problems; 2022, 17, 2; 57--68
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New crane bumper design with an energy absorption device system
Autorzy:
Haniszewski, Tomasz
Margielewicz, Jerzy
Gąska, Damian
Opasiak, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/2203900.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
simulation
Matlab
crane
dynamics
spring pendulum
symulacja
dźwig
dynamika
wahadło sprężynowe
Opis:
This article presents research carried out using physical data from the experimental construction of an overhead crane. This article aims to determine the dynamic behaviour of the cart-pendulum system when the hoisting mechanism hits the new bumper design at the end of the girder support structure with selected speed and bumper material to the length of the wire rope. This research shows the influence of the horizontal speed of the hoisting mechanism on the bumper force during a collision with a standard buffer and its modifications. The presented model can be the basis for modelling more complex cases, and its assumed role (i.e. the ability to determine the angle of deflection of the rope during an impact) has been confirmed and is possible to use in a specific case of an overhead crane on an industrial scale. Preliminary analysis of the construction of the bumper considered reveals its positive features, aiming, among other goals, to reduce the acceleration and force acting on the crane cart in emergency situations.
Źródło:
Transport Problems; 2022, 17, 3; 5--16
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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