Articulating dredge

Details Articulating dredge Articulating dredge

1975-12-05

1977-05-31

Blix, Trygve M.

Excavating

Peat excavators

37 72, 114 26, 114242, E02F 388

Patent

active

040260496

ABSTRACT:
An articulating dredge comprising a barge with a spud arrangement to maneuver the barge and an articulated hull section pivotally secured to the bow of the barge by a trunnion such that the hull section pivots between the port and starboard sides of the barge and exerts a bouyant force on the cutter assembly to relieve shear forces on the trunnion. The articulated hull section supports the cutter assembly of the dredge machine and the suction pipe to the pump located on the barge to enable larger cutters to be constructed and pivotally supported. The preferred embodiment of the articulated hull section has a planetary gear adapted to rotate along a stationary gear segment secured to the bow to pivot the hull section. Another embodiment has a hydraulic ram adapted to move the hull section and another embodiment has rope and pulley assemblies to move the hull section from side to side. The articulated hull section comprises a hollow hull, having a dead air space therein to lift the cutter upward.

REFERENCES:
patent: 607237 (1898-07-01), Heath
patent: 703817 (1902-07-01), Perry
patent: 822865 (1906-06-01), Payne
patent: 922160 (1909-05-01), Lane et al.
patent: 2109730 (1938-03-01), Torneau
patent: 2850814 (1958-09-01), Ellicott, Jr.
patent: 3230721 (1966-01-01), DeLong et al.
patent: 3902448 (1975-09-01), Davis
patent: 3919791 (1975-11-01), Smith

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