Smirnov A.M., Beihul V.O. Belt conveyers rollers average term of service

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Parent Category: Geo-Technical Mechanics, 2019

Category: Geo-Technical Mechanics, 2019, Issue 147

Geoteh. meh. 2019, 147, 164-171

 https://doi.org/10.1051/e3sconf/201910900095

BELT CONVEYERS ROLLERS AVERAGE TERM OF SERVICE

¹Smirnov A.M., ²Beihul V.O.

¹Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine, ²Dniprovsk State Technical University

UDC 622.647.2:681.5  

Language: English

Abstract.

Conveyor framework with roller support is an important part of a belt conveyor, the technical condition of which determines the reliability of the conveyor as a whole. Reliability of the framework is determined by the reliability of the rollers of the roller supports, as the reliability of the supporting metal structures is much higher. An important indicator for assessing the reliability of a roller is its term of service, depending on the type, parameters of roller supports and operating conditions. The paper is proved to one of the important conveyer transport system task – to dynamic factor and roller’s term of service (TS) determination. The task solving permit to evaluate the different designs belt conveyers reliable. The article represent the tasks of belt conveyers roller’s average TS determination were set and solved for the different types of roller supports. Dynamic efforts arised with the loading motion and caused with belt bend are principal factor for the calculation of TS rollers. The graph of dependence roller’s average TS from belt velocity for different roller’s types were obtained. The service life of the conveyor rollers depends on the linear load, the parameters of the conveyor, the composition of the transported load and the type and parameters of the roller support. At the same time, with an increase in the speed of the conveyor belt for the considered types of rollers, the average term of service of the rollers decreases. When the belt speed changes to certain values, the service life of the rollers for hard  roller supports is somewhat higher than for overheard roller supports, and the term of service of rollers for damping roller supports is somewhat higher than for damping overhead roller supports. At the same time, the term of service for damping overhead and damping roller supports is significantly higher than for hard and overhead. In addition, when the belt speeds are higher than some values for all considered types of roller supports, the roller's term of service can sharply decrease due to the appearance of resonant phenomena associated with belt vibrations during the movement of pieces of large fractions. Achieved results may be applied in mining, metallurgical and building industry.

Keywords: roller’s, bearing, term of service, belt conveyer, roller supports, belt velocity.

 

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About the authors

Smirnov Andrii Mykolaiovych, Candidate of Technical Sciences (Ph.D), Senior Researcher in Department of Geomechanics of Mineral Opencast Mining Technology, Institute of Geotechnical Mechanics named by N. Poljakov of National Academy of Sciences of Ukraine (IGTM, NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

Beihul Vsevolod Olehovych, Candidate of Technical Sciences (Ph.D), associate professor of engineering technology department, Dniprovsk State Technical University (DSTU), Kamianske, Dnipropetrovsk region, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it.

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