Lifting equipment for an offshore construction

Details Lifting equipment for an offshore construction Lifting equipment for an offshore construction

1981-12-18

1984-01-24

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

405208, E02B 1708

Patent

active

044273193

ABSTRACT:
An offshore construction in which a floatable platform is supported through raisable and lowerable support legs directly or indirectly on the sea bed. At least two cable winches for each support leg are arranged as lifting equipment on the platform. One cable winch is connected through a single cable line with the lower end of a support leg. The other cable winch displays a multiple cable line guided around two pulley blocks. One of these pulley blocks is arranged on the support leg. In order to be able to employ the lifting equipment even in the case of great support leg lengths, the other pulley block is arranged on a ring. This ring surrounds the support leg and is detachably connected through a locking device with the platform.

REFERENCES:
patent: 202415 (1878-04-01), Cumming
patent: 1531371 (1925-03-01), Belknap
patent: 2892314 (1959-06-01), Hornsby et al.
patent: 2972973 (1961-02-01), Thearle
patent: 4041711 (1977-08-01), Lucas
patent: 4329088 (1982-05-01), Lucas

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