Guide tower mounted crane for a jack-up platform

Details Guide tower mounted crane for a jack-up platform Guide tower mounted crane for a jack-up platform

1986-05-21

1987-03-24

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

212192, 212253, E02B 1708, B66C 2352

Patent

active

046521771

ABSTRACT:
A new and improved crane adapted to be rotatably mounted about the guide tower of a vertically movable leg of an offshore jack-up platform. In one form, the crane is mounted for rotation about the leg tower section on a bearing tube having a thrust bearing interposed between a tower section flange and the lower end of the bearing tube. In a second form, the crane is mounted about the leg tower section utilizing upper rollers and hook rollers coacting with a support flange mounted with the tower section.

REFERENCES:
patent: 4011955 (1977-03-01), Morrow
patent: 4417664 (1983-11-01), Gordon
patent: 4456404 (1984-06-01), Evans
Rotek Catalog "Large-Diameter Ball and Roller Bearings".
Sea King 1700 "Marine Crane", Marine Equipment Systems.
Catalog "Gulf Island I" Power Well Service.
Crown Point Industries "Series 500K" brochure.
Catalog Manitowoc Model 3900 "Liftcrane, Clamshell, Dragline, Hoe".

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