DEVICE FOR RAISING OF THE SUNK OBJECTS Russian patent published in 2004 - IPC

FIELD: devices for raising of the sunk objects and ship-raising.

SUBSTANCE: the invention is dealt with the ship-raising and may be used at creation of devices for the sunk objects raising. The device to raise the sunk objects has a surface ship with winches, cables of which are connected to the cross-arms, on which there are pivotally fixed grabs. On the grabs there are pivotally fixed ends of a telescopic boom, that has an internal boom, on one end of which there is a threading with a coupling nut. Both telescopic booms for their connection have through holes and a retractable bolt. Adjacent grabs for connection to each other have lifting eyes for fastening to them of links of a chain and have booms with loads having a capability to move along these booms. The device has a deep-diving self-propelled vehicle equipped with a manipulator mechanism for a screw coupling of the nut and the tractable bolt. The grabs can be made spoon-shaped. The technical result of realization of the invention is simplification and in acceleration of underwater works, improvement of the grabs design and a possibility to raise the sunk objects from very deep water.

EFFECT: simplified and accelerated underwater works, improved grabs design, possibility to raise the sunk objects from very deep water.

2 cl, 5 dwg