CONVEYOR TROUGH SECTION Russian patent published in 2006 - IPC B65G19/28 B65G53/02 

FIELD: mining industry; underground face and gate conveyors.

SUBSTANCE: proposed section of trough for underground face and gate conveyors contains asymmetrical sides consisting of cast parts interconnecting on intermediate web by welded-to sheet, which, projecting outside from intermediate web, include upper molded-to flanged projection and lower to-to flanged web and to-to foot flange projecting inwards which partially limits from side a lower run to drive scrapers of scraper chain and to which sheet of bottom closing downwards lower run is welded. Cast part is provided at least one step on inner side of intermediate web mainly at half of height between flanged web and flanged projection. Said step is used to support and to weld-to intermediate sheet of bottom. Intermediate web and foot flange form profiled reinforcement under step. Intermediate web over step limits from side the intake space for upper run containing rolled side sections welded with transport bottom.

EFFECT: increased service life of trough section, cut down cost of manufacture.

28 cl, 6 dwg