SCRAPER CONVEYOR Russian patent published in 2014 - IPC B65G19/22 B65G19/26 

FIELD: transport.

SUBSTANCE: scraper conveyor contains pulling device consisting of three chains (1, 2, 3) placed in chute (4) with scrapers attached to them (5). In the first version of invention, the scrapers are placed coaxially between adjacent leaf chains by means of pin joints (6). The pin joint is made as fixed on leaves of pulling chains of angled profile and normally oriented to their horizontal flanges (7) of semiaxles (8) with possibility of their positioning in holes of brackets (9) located on butt edges of scrapers. Semiaxles are provided with nuts (10) fixing the scrapers. Upper portions of scraper butt edges are made with rectangular projections (11) placed with gaps over pin joints. In plan view, upper portions of scrapers are made rounded with bosses. In the second version of invention, additional pulling chain (12) is placed near the central chain. The scrapers are hinged respectively between each of two chains placed in the middle portion of chute and external chains placed at side edges of chute.

EFFECT: possibility to increase line length of face scraper conveyer or its productivity.

2 cl, 4 dwg