FIELD: digging trenches in bottom ground with pipeline laying. SUBSTANCE: working member of hydraulic dredge has drive unit, housing, auger located in it with sharp cutting edge for contact with bottom ground. Located below outlet opening of housing is lip which is wedge-shaped in its cross section. Working member is provided with guide rollers and all its components are fastened on dredger shell. EFFECT: high efficiency. 1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SUCTION-TUBE DREDGER | 1996 |
|
RU2118731C1 |
| PIPELINE LAYING DEVICE | 1993 |
|
RU2100529C1 |
| DEVICE FOR WITHDRAWAL OF SOIL AND MAKING TRENCH | 1998 |
|
RU2147353C1 |
| DEVICE FOR WORKING PIPELINE DEEP IN BOTTOM GROUND | 1996 |
|
RU2112109C1 |
| GEAR TO EXCAVATE CONCRETIONARY DEPOSITS FROM SEA FLOOR | 1990 |
|
RU2007573C1 |
| METHOD FOR MINERAL MINING FROM NONMAGNETIC BOTTOM DEPOSITS OF SEAS AND OCEANS AND DEVICE FOR ITS REALIZATION | 1992 |
|
RU2043500C1 |
| PRODUCTION METHOD OF EXCAVATION AND LAYING WORKS AT ROUTING OF UNDERWATER PIPELINES, AND DEVICE FOR ITS IMPLEMENTATION | 2011 |
|
RU2507431C2 |
| MOORING BUOY | 1992 |
|
RU2049699C1 |
| CANAL-LIFT | 1989 |
|
RU2028411C1 |
| METHOD OF OPERATION OF FLOATING STATIONARY OBJECT | 1997 |
|
RU2124453C1 |
