| 摘要 |
FIELD: mining. ^ SUBSTANCE: device for underwater development of rocks comprises frame, actuating element in the form of chain-and-bucket, discharge coal slurry pipeline, hopper. Device is additionally equipped with platform having walker, with the possibility of longitudinal and transverse motion, arranged in the form of skis installed on eccentric shafts. Chain-and-bucket is fixed on frame at side of device. ^ EFFECT: invention provides for autonomous operation in complicated mining and hydraulic-geological conditions and extraction of burs with minimum losses and disturbed condition of bottom deposits. ^ 2 dwg |
