A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A wide format dredge apparatus provides a floating vessel or hull with one or more anchor lines, anchors or spuds that enable an operator to hold the hull in a selected locale. Port and starboard booms extend in generally opposite directions from the hull. An elongated ladder is pivotally attached to the hull. The ladder is configured to swing between port and starboard positions. Port and starboard swing devices are rigged to the booms. When the ladder swings to the port position, the starboard swing device is lengthened and the port swing device is shortened. When the ladder swings to the starboard position, the port swing device is lengthened and the starboard swing device is shortened. Each swing cable spans from a boom at a position spaced away from the hull to the outer end portion of the ladder. A lifting device is provided for raising and lowering the ladder. A float or tank travels along the ladder. The float or tank at least partially supports the ladder.
A wide format dredge apparatus provides a floating vessel or hull with one or more anchor lines, anchors or spuds that enable an operator to hold the hull in a selected locale. Port and starboard booms extend in generally opposite directions from the hull. An elongated ladder is pivotally attached to the hull. The ladder is configured to swing between port and starboard positions. Port and starboard swing devices are rigged to the booms. When the ladder swings to the port position, the starboard swing device is lengthened and the port swing device is shortened. When the ladder swings to the starboard position, the port swing device is lengthened and the starboard swing device is shortened. Each swing cable spans from a boom at a position spaced away from the hull to the outer end portion of the ladder. A lifting device is provided for raising and lowering the ladder. A float or tank travels along the ladder. The float or tank at least partially supports the ladder.
Wide-format swinging ladder dredge
WETTA WILLIAM J (author)
2019-05-14
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING
| Springer Verlag | 1968
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