Dredging shovel for a double chain trough scraper has a shovel body and a hoop arranged symmetrically to their central planes

摘要

Dredging shovel has a shovel body (1) and a hoop (30) arranged symmetrically to their central planes (M). Chain beds are formed in the hoop as basins with a planar chain bed base (33) and curved basin side walls (34). The shovel lock (61) consists of holes (62) directed vertically to the central planes in the hoop and in the shovel body, and an inserted securing element (63). The holes for securing the shovel interact with groove-like receivers in the shovel body. Preferred Features: The securing element is a tensioned pin or clamping sleeve. The hoop is provided with locking pins (37) as one piece on its upper side.