MECHANISED SECOND WORKING COMPLEX Russian patent published in 2014 - IPC E21D23/04 

Abstract RU 2526074 C2

FIELD: mining.

SUBSTANCE: proposed complex is equipped with powered roof support section displacement jack attachment drives, rood support being displaced to pans of face conveyor with hydraulic cylinders of adjustment at different inclinations of cleanup face line. It allows a permanent location of face conveyor relative to the point of rock transfer to face loading station. It incorporates spacing-sliding transfer mechanism, guard board elongated part and support section shelter turn drive. Note here that support sections with pans are articulated to make triple units with single control unit. Said powered roof support section displacement jack attachment drive is composed of articulated rabbet joint including perforated grooved guide secured to the pan and moving bracket with fixed rabbet-thrust interconnected by adjustment cylinder for mutual displacement. Overlap shelter is equipped on face chest with shutter extension drive to vary cleanup face line position. It is composed of a set of plate articulated by extending rabbet frame to be extended by hydraulic cylinders articulated with rabbet frame and shelter. Rabbets are articulated with said plates.

EFFECT: higher efficiency.

10 cl, 7 dwg

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RU 2 526 074 C2

Authors

Dates

2014-08-20Published

2013-01-09Filed