초록 ▼

The locking device for a self-raising oil platform comprising a shell (1) mounted to be movable along legs (2) by means of raising mechanisms comprising output gear pinions cooperative with racks (3) mounted on at least a part of the length of the legs (2), comprises a toothed member (6) forming a c

The locking device for a self-raising oil platform comprising a shell (1) mounted to be movable along legs (2) by means of raising mechanisms comprising output gear pinions cooperative with racks (3) mounted on at least a part of the length of the legs (2), comprises a toothed member (6) forming a counter-rack (6a) mounted on the shell of the platform, means (7) for shifting the toothed member (6) transversely of the direction of the rack with which the device is associated for engaging the teeth of the toothed member in the teeth of the rack (3) or for disengaging them from the teeth of the rack, clamping plates (13) connected to the toothed member and clamping counter-plates (15) connected to the platform, and means (20) for clamping the plates and counter-plates together so as to lock the toothed member (6) in position in the rack.

대표청구항 ▼

A locking device in combination with a self-raising oil platform which comprises legs, a shell mounted to be movable along the legs, raising mechanisms for moving the shell along the legs including racks mounted on at least a part of the length of the legs, said device being associated with each rac

A locking device in combination with a self-raising oil platform which comprises legs, a shell mounted to be movable along the legs, raising mechanisms for moving the shell along the legs including racks mounted on at least a part of the length of the legs, said device being associated with each rack and comprising a toothed member having a part constituting a counter-rack mounted on the shell of the platform, means for displacing said toothed member transversely of the rack with which the device is associated for selectively engaging the teeth of said toothed member in the teeth of the rack and disengaging them from the teeth of the rack, clamping elements constituting plates connected to said toothed member, clamping elements constituting counter-plates connected to said platform, said plates and counter-plates having interengageable surfaces contained in parallel planes and being freely relatively movable in a given direction substantially perpendicular to said planes between a first position in which they are spaced apart and a second position in which said surfaces are interengaged, and means cooperative with the plates and counterplates for clamping substantially in said given direction said plates and counter-plates in said second position and ensuring the locking of said toothed member in position on said rack.