Jack-up platform locking apparatus
AssigneeThe Offshore Company
InventorRalph D. Yielding
Life of this patent
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Abstract
The invention relates to a jack-up platform locking apparatus. The subject locking apparatus includes a frame operable to be securely connected to a deck of the platform and a lock unit having at least one tooth for engaging a compatibly configured surface upon a vertically adjustable platform leg. Hydraulic motor means are provided for vertically adjusting the lock with respect to the deck and leg. An additional hydraulic motor is provided for horizontally actuating or deactuating the lock with respect to the platform leg. The invention further includes a mechanical assembly for vertically securing an engaged lock with respect to the platform deck. A reaction wedge member is provided for horizontally securing the lock in firm engagement with the leg of the offshore platform.
Claims11
A jack-up platform locking apparatus for at least partially securing a vertically adjustable leg of an offshore platform with respect to a deck of the platform, said locking apparatus comprising:
- frame means operable to be securely connected to the deck of the offshore platform;
- lock means having at least one tooth for engaging a compatibly configured surface on the vertically adjustable leg of the offshore platform;
- means for vertically adjusting said lock means with respect to said deck and said leg;
- means for horizontally actuating or deactivating said lock means with respect to said leg for engaging and disengaging said at least one tooth with respect to the compatibly configured surface on said vertically adjustable leg;
- means for vertically securing said lock means with respect to said deck and said leg;
- and
- means for horizontally securing said lock means with respect to said deck and said leg.
Dependencies are inferred from the claim text.