Abstract
The paper presents preliminary research conducted to determine the thermal condition of the main belt conveyor transporting coal from the longwall. The results show the thermal condition of the conveyor and in the further stage are used to effectively diagnose possible causes of damage to the belt conveyor's drive unit. The tests were performed on the conveyor whose operation is strategic to the mine. The research comprised a thermal imaging camera that allows taking contact-free measurements. The main purpose of a thermal imaging measurement is to detect changes in thermal conditions without the need to stop the conveyor belt. The paper presents the methodology and discusses the manner of performing underground measurements as well as a procedure for processing the results. The final conclusions concerning the technical condition of the drive unit were based on the results and their analysis.
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