MOVABLE CARRIER-ELEVATOR, IN PARTICULAR FOR OPEN MINES

摘要

THE CONVEYOR-ELEVATOR INCLUDES A MAIN BEARING STRUCTURE 10 MOUNTED ON TRACKS 11 IN ORDER TO MOVE ALONG AN UPPER LEVEL 14, A CONVEYOR-ELEVATOR 13 SUPPORTED BY AN ARROW 12 THAT CAN BE DEPLOYED AND RETRACTED IN RELATION TO THE STRUCTURE 10; ARROW 12, FORMED BY SEVERAL SEGMENTS 22 PASSES, IN THE COURSE OF DEPLOYMENT AND RETRACTION, ON A GUIDANCE FRAME 29 BURVES OUTWARDS AND DOWN; THE SEGMENTS 22 ARE JOINED IN AN ARTICULATED WAY BY THEIR LOWER EDGES SO THAT THE ARROW IS BENDED DOWN ALONG ITS LOWER ROPE AT THE LOCATION OF THE HINGES 23 BETWEEN THE SEGMENTS 22 WHEN IT PASSES ON THE GUIDANCE FRAME AND LOWERED UP TO LOWER LEVEL 15; THE INTERACTION OF THE SEGMENTS 22 BEING SUCH A BEND IN THE OPPOSITE DIRECTION IS COUNTER-BALANCE IN ORDER TO FORM A RIGID ARROW STRUCTURE; A CONVEYOR-COLLECTOR 16 IS PROVIDED OVER THE LENGTH OF STRUCTURE 10 TO DELIVER MATERIAL TO A DISCHARGE POINT. /P P APPLICATION TO OPEN SKY MINING OPERATIONS.