DEVICE FOR CLEANING LINED SOIL-RECLAMATION CANAL Russian patent published in 1996 - IPC

FIELD: soil-reclamation. SUBSTANCE: cleaning up lined soil-reclamation canals from drifts covered with vegetation in the process of ground excavation in underwater slope nearby hydraulic excavation equipment. Device for cleaning up lined soil-reclamation canals includes movable mean with lateral mounting and connected working equipment. The latter has ground and water pumps with drive, slot-type suction tip on support rollers, combined spring loaded screen, scarifier in the form of hollow driven shaft. Flat radial cutters and tangential cutters with slot-type nozzles open to the shaft space provided with slide valve are installed on the latter. Template discs are installed on ends of the driven shaft. The scarifier is installed on spring loaded frame. Anticutting members are secured to the slot-type suction tip. EFFECT: high capacity. 2 cl, 4 dwg