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Patent Searching and Data


Title:
SUBAQUEOUS CABLE BURYING MACHINE
Document Type and Number:
Japanese Patent JPS5681737
Kind Code:
A
Abstract:

PURPOSE: To obtain a subaqueous cable burying machine which can easily perform a recovery operation of a burying machine despite a water depth by a method wherein a burying machine is made to leave a buried cable laid in the sea bottom by means of an operation on board a ship.

CONSTITUTION: Each system installed in a burying machine main body 1 is made to be operated from on board of a cable laying ship through a control cable. And after a cable 32a is buried to a cable burying terminal point D, piston rods 20, 28 of oil pressure cylinders 19, 27 connecting to each of guide rollers 11, 13, 14 are made to retreat to releast the cable 32a from guide rollers 11, 13, 14 and this is confirmed by the signals from limit switches 21, 23. While retaining this state, a towing metal piece 7 is once more positioned at the central part of the main body 1 and the burying machine 34 is lifted onto the laying ship 33. Next thereto, the cable 32a is released from the burying machine 34 and only the burying machine 34 is recovered to end the burying operation of the cable 32a.


Inventors:
UEMATSU HIDEO
NOJI YOSHIZOU
OKUYAMA KENICHI
Application Number:
JP15857379A
Publication Date:
July 04, 1981
Filing Date:
December 06, 1979
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE
SUMITOMO HEAVY INDUSTRIES
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
E02F5/10; E02F5/02; (IPC1-7): E02F5/10