Device for lifting and hammering foundation piles for offshore s

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

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Details

173 81, 405232, 405227, E02D 708

Patent

active

052578798

ABSTRACT:
A device for lifting and hammering the foundation piles of offshore structures, consisting of a long support element having a length of the order of twenty meters, to be inserted into the foundation pile which is to be driven into the sea bed, said element being suspended from a crane and being provided at its lower end with an expansion-type gripping clamp and at its upper end with a hammering system comprising a striking weight or hammer slidable along said support element until a limit stop is reached. Preferred embodiments are also provided.

REFERENCES:
patent: 3526283 (1970-09-01), Horstketter et al.
patent: 3680644 (1972-08-01), Doughty
patent: 4257720 (1981-03-01), Ostgaard
patent: 4362439 (1982-12-01), Vaynkof
patent: 4817734 (1989-04-01), Kuehn
patent: 4844661 (1989-07-01), Martin et al.

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