On the operating mode of the electric drive of scraper winches

Abstract

This article is devoted to the issue of analyzing the operating mode of scraper winches. As is known, scraper installations have recently found wide application in various industries. However, despite this, there are no studies of the operating mode of their electric drive and a more substantiated choice of scraper winch drive power in the literature. The analysis of the operating mode of scraper winches is carried out mainly on the basis of power and current diagrams taken by the author under production conditions in the Cheremkhovo coal basin in 1943 (Figs. 1, 2, 3 and 4), as well as on the basis of similar curves given in the existing literature (Figs. 5 and 6). It should be noted that although the diagrams in Figs. 1, 2, 3 and 4 were taken using conventional, non-self-recording measuring electrical devices, the general nature of the scraper winch drive load can be traced using these curves. On the other hand, the diagrams shown in Figs. 5 and 6 were taken with the help of recording measuring instruments and somewhat complicate the analysis, since numerous peaks caused by all sorts of random phenomena sometimes make it difficult to distinguish between idle running and working running of the scraper. Thus, it can be considered that both types of diagrams complement each other in the analysis of the operating mode of the scraper winch drive.

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