FIELD: mining.
SUBSTANCE: group of inventions refers to mining, particularly to ploughing installation and to procedure of coal mining with plough installation and can be implemented at underground development of coal beds. The plough installation for coal mining consists of a coal plough designed to travel by means of a pull chain of the plough. The pull chain can be driven to motion via a chain drive sprocket equipped with a drive from a drive station for the pull chain of the plough; the pull chain can change direction on that guiding sprocket, which is not equipped with a drive from the drive station. The coal plough can operate in a reverse mode. The guiding sprocket is installed in slides, which are moved with a tensioning device in the direction of coal plough movement. The invention also includes the procedure for coal mining with the plough installation.
EFFECT: elimination of sagging and break of pull chain, simplicity of design of drive station, and decreased distance from end stop of plough travel to sprocket of plough chain.
12 cl, 4 dwg
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