Return station of a chain scraper conveyor, having a tensioning device for the scraper chain belt

摘要

The return station according to the invention for a chain scraper conveyor (central or double central chain scraper conveyor) has, in the machine frame (1), between the lateral cheeks (2, 2') of the latter, a tensioning carriage (11) which bears the return (3) and is guided in a drawer guide or the like in the machine frame and the tensioning drive (tensioning cylinder 12) of which is arranged below the conveying bottom (5) of the machine frame. The return (3) is mounted with a short shaft in the tensioning carriage. If necessary, a mechanical locking device, preferably in the form of a ratchet-and-pawl mechanism or the like, which holds the tensioning carriage (11) in the tensioning position, can be provided. <IMAGE>