BELT CONVEYOR INTERMEDIATE LINEAR DRIVE Russian patent published in 2015 - IPC B65G23/12 B65G23/14 

FIELD: transport.

SUBSTANCE: drive contains ring driving belt (4) the upper branch of which is located under load-carrying branch of conveyor belt (1) and rests on its grooved roller carriages (5). Drive belt width is greater than conveyor belt width. Above side inclined rollers (6) of roller carriages along length of linear drive pinch rollers (7) of two-step diameter are placed with possibility of their pressing to side upper edges of conveyor belt and interaction of butt edges of protruding part of increased diameter with butt edges of conveyor belt. On outer edges of pinch rollers plates (8) are fixed with their location with minimum gaps relative to butt edges of conveyor belt. Each pinch roller is installed with possibility of rotation on unmovable axis (9) cantilever fitted on bracket (10) with possibility of its pressing by means of screw mechanism (11) to upper part of roller carriages base frame (12).

EFFECT: increased traction force and alignment of conveyor belt and intermediate drive belt.

2 dwg