CABLE-BELT CONVEYOR WITH INTERMEDIATE DRIVES Russian patent published in 2013 - IPC B65G17/02 B65G23/14 

FIELD: transport.

SUBSTANCE: conveyor comprises belt and draw circuit of two cables 3, 4 arranged there inside to rest on flanged rollers 5, 6 of belt load-carrying strand 1. Belt load-carrying strand boards rest on inclined rollers 7, 8 to make belt fluted section. Draw loop bottom strand cables rest on idle strand 2 of the belt which thrusts on straight carriages 9. Top draw strands of one or several conveyor path sections bear on thrust on top strand of idle drive 10 composed of the loop of two leaf chains 13 running around drive sprocket 11 and tension sprocket 12. Outer parts of leaves 14 of every link have ledges inclined in opposite directions to locate draw loop cables there between. Top edges 16 of said ledges are rounded. Parameters of mid drive are selected to make leaf chains liner speed equal to that of draw loop cables. Leaf chain loop drive is equipped with brake.

EFFECT: longer conveyor, simplified design.

3 dwg