SOUTENEMENT MECANISME POUR LA ZONE D'INTERSECTION D'ENTRE ABATTAGE ETGALERIE

摘要

A mechanized longwall system for mines is provided which includes face roof supporting units disposed along the longwall and connected to a face support track by hydraulic advancing cylinders, each unit including a floor and roof element, a drift transport track mounted perpendicularly to one end of the face transport track, including two drift supporting units coupled with hydraulic linkages to the face supporting units, a guide system arranged on one of the floor elements of the drift supporting units and guiding a transfer unit in the longitudinal direction of the drift transport track, the arrangement being such that shifting of a drift supporting unit is accompanied by a simultaneous shifting of the face conveyor apparatus.