respect to said decl: and said leg。
gagement with the rack。 This position is mechanically secured actuation ‹at the locking members HO。 The motor é2 insy then be relieved of pressure or main-
2。
A jack-up platform locking apparatus as defined in claim 1wherein。 said means for vertically adjusting said locking means comprises:
4,255,069
7 8
hydraulic motor means operably positioned between vertically adjustable with respect to the platform said deck and said lock means to vertically raise or through the provision of a rack longitudinally extending lower said lock means to facilitate compatible en- along said leg and a pinion and motor drive secured to gagement of said at least one tooth with said com- said deck, wherein said lock means comprises:
patibly configured surface on said leg of the off- f a chock having at least a pair of teeth for engaging shore platform。 the rack of said leg, said chock being carried by and
3。A jack-up platform locking apparatus as defined in horizontally guided for translation within said claim 1 wherein means for horizontally engaging and frame means。
disengaging said at least one tooth comprises: 8。 A jack-up platform locking apparatus as defined in hydraulic motor means operably positioned between to claim 7 wherein:
said frame means and said lock means for advanc- said means for vertically adjusting comprises at least ing or retracting said at least one tooth of said lock one hydraulic motor means operably connected means with respect to said compatibly configured between said frame means and said chock; and surface on said leg of the offshore platform。 said means for horizontally actuating comprises at
4。A jack-up platform locking apparatu6 as defined in IS least one hydraulic motor means operably con- claim 1 wherein said means for vertically securing com- nected between said frame means and said chock。 prises: 9。 A jack-up platform locking apparatus as defined in threaded mechanical securing means operably con- claim 8 wherein said means for vertically securing com-
nected between said deck and said lock means for prises:
mechanically setting in vertical position said lock 20 locking screw means operably secured to said deck
means with respect to said leg。
5。A jack-up platform locking apparatus as defined in claim 1 wherein said means for horizontally securing comprises:
and operably abutting against said chock。
10。 A jack-up platform locking apparatus as defined in claim 9 wherein said means for horizontally securing said lock means comprises:
wedge means operably positionable between said 25 wedge means operably positionable between said
frame means and said lock means。
6。 A jack-up platform locking apparatus as defined in claim 5 and further comprising: 自升式平台锁定装置英文文献和中文翻译(7):http://www.youerw.com/fanyi/lunwen_96548.html