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A semi-submersible lifting platform for large floating marine structures and its application method

A marine structure and application method technology, applied in the field of large-scale floating marine structure maintenance equipment and technology, can solve problems such as difficulty in moving large-scale floating marine structures, achieve short cycle, low construction cost, and wide application range Effect

Inactive Publication Date: 2016-08-17
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the large scale, the above-mentioned large floating marine structures are difficult to move, and cannot enter dry docks, floating docks or boarding platforms like conventional ships

Method used

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  • A semi-submersible lifting platform for large floating marine structures and its application method
  • A semi-submersible lifting platform for large floating marine structures and its application method
  • A semi-submersible lifting platform for large floating marine structures and its application method

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Embodiment Construction

[0018] figure 1 , 2 , 3 shows the structural diagram of the semi-submersible lifting platform of a large floating marine structure. In the figure, the semi-submersible lifting platform for a large floating marine structure includes a buoyancy box 1, a fore and aft buoyancy body 2, a pier 3, a lateral displacement device 4 and a longitudinal displacement device 5, and the buoyancy tank 1 is composed of a buoyancy tank deck 1a, The buoyant tank bottom plate 1b, the buoyant tank horizontal structure 1c and the buoyant tank longitudinal structure 1d constitute a cuboid structure, and a head and tail floating body 2 fixedly connected with the buoyant tank 1 is respectively arranged at both ends of the buoyant tank 1 in the long side direction, and the pier 3 is arranged on On the pontoon deck 1 a , the lateral displacement device 4 is arranged in the pontoon 1 below the fore and aft buoyant body 2 , and the longitudinal displacement device 5 is arranged on the top of the fore and ...

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Abstract

The invention relates to a large-scale floating type ocean-structure semi-submersible lifting platform and an application method thereof and belongs to the field of large-scale floating type ocean-structure maintenance devices and processes. The technical scheme of the semi-submersible lifting platform includes that two ends of a floating box in the length direction are provided with a head floater and a tail floater, transverse moving devices are arranged in the floating box below the head floater and the tail floater, longitudinal moving devices are arranged on the tops of the head floater and the tail floater, a ballast tank and a ballast system are arranged in the floating box, and floater safety decks of the head floater and the tail floater are provided with various functional cabins. The semi-submersible lifting platform can effectively solve the problem about maintenance of the underwater part of the large-scale floating ocean structure with higher length-moulded depth ratio during operation, can realize maintenance, derusting and coating of the large-scale floating type ocean structure on the premise of not docking in, displacing or dismounting, or even not affecting the normal work of the large-scale floating type ocean structure and has the advantages of low construction cost, short period, simple process, wide application range and the like.

Description

technical field [0001] The invention relates to a large-scale floating marine structure semi-submersible lifting platform and an application method thereof, belonging to the field of large-scale floating marine structure maintenance equipment and technology. Background technique [0002] Large-scale floating marine structures such as offshore airports, offshore docks, offshore operating platforms, and large floating bridges are of great significance to the development and utilization of marine resources and the defense of national territorial sea sovereignty. They are currently an important research content in the field of marine engineering in various countries. The above-mentioned large-scale floating marine structures are usually steel plate-girder welded structures, and their local structure is similar to that of ordinary ships. Regular maintenance operations such as repairs, derusting and painting are required for the structures, especially the parts below the waterline....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B35/44
Inventor 于雁云林焰纪卓尚陈明李楷管官
Owner DALIAN UNIV OF TECH
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