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Title: LEVER HOISTS APPLIED IN MINING
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LEVER HOISTS APPLIED IN MINING
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1314-2704
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English
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19
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1.3
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This article describes the possibility of using lever hoists for handling loads in extracting mineral deposits of the Earth. Hoists and jacks are generally used for the lifting and towing of loads, for assembly and handling works in the construction industry, mining and other sectors of heavy industry. They are characterized by a simple but robust construction that is resistant to rough handling. Furthermore, they offer simple operation and minimum maintenance requirements. Lever hoists are offered on the market in several types According to use, these hoists can be divided into jacks with a link chain for light operations, and in heavy duty operations where hoists with roller chains are applied. The hoists are further divided into several groups due to their load capacity, ranging from 0.8t ? 7.5t. In addition, the hoists are divided into the groups suitable for standard operations, and for operations with an explosion hazardous environment (underground mines, chemical and petroleum plants, etc.). Any product intended for such heavy operations must comply with strict safety and legislative requirements. High safety demands are placed on chains, hooks and materials used for hoists, and their safety coefficient is given by the relevant norm. Brano's products are equipped with supplied hooks, in which there is no sudden rupture when being overloaded. Their deformation occurs gradually, which helps to increase safety when lifting a load and the safety of the operator. For specific operations such as chemical and oil plants, a lever hoist can be fitted with a chain and a stainless-steel hook
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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377-384
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30 June - 6 July, 2019
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website
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cdrom
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5241
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coal mining; lever hoists; manual works; lifting; explosion
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