Istrazivanja i projektovanja za privreduJournal of Applied Engineering Science


DOI: 10.5937/jaes16-18981
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Volume 16 article 553 pages: 454 - 463

Dr Goran Radoicic 
University “UNION-Nikola Tesla” Belgrade, Faculty of Applied Sciences, Nis, Serbia

Dr Miomir Jovanovic
University of Nis, Faculty of Mechanical Engineering, Nis, Serbia

This paper presents the investigation of importance for determining the dynamic structural response of heavy lifting machines subjected to extreme external effects. A measuring system for the experimental investigation of the dynamics of heavy lifting machines is proposed.It shows the experimental testing results of carrying structures for several classes of hoisting and an export mining machine. The results refer to the most important dynamic parameters. The dynamic parameters also include the duration of transient phenomena in handling lifting structures and structural damping.A technical solution based on the measuring chain that is integrated into the mining export plant information system was developed in the research. The recommendation to choose optimal measuring equipment for this kind of measurement is given to manufacturers and users on the basis of the experience gained in the design and implementation of specific measuring systems. The technical specification of amplifiers and transducers that should be developed for this kind of measurement is also proposed.

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The paper is part of the project TR35049 at the University of Nis, Faculty of Mechanical Engineering, supported by the Ministry of Education, Science and Technological Development of the Republic of Serbia.

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