Offshore platform integral constructing and hoisting method and special-purpose hoisting machine for the same

A technology of offshore platform and hoisting method, which is applied in the direction of ship construction, crane, traveling mechanism, etc. It can solve problems such as difficult quality assurance, extended construction period, inconvenient access to personnel, materials and equipment, etc., to reduce construction difficulty and workload , Improve shipbuilding efficiency and output, and expand shipbuilding capabilities

Active Publication Date: 2008-01-09
YANTAI RAFFLES SHIPYARD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Huge modules need to be hoisted multiple times at sea, and multiple hoistings also means doubling the risk, and the hoisting equipment and personnel must be reused many times, which is a huge investment and increases the construction cost of the entire ship. The cycle of multiple hoisting will inevitably lead to the extension of the entire construction period
[0004] 2. After the hoisting of each small segment is com

Method used

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  • Offshore platform integral constructing and hoisting method and special-purpose hoisting machine for the same
  • Offshore platform integral constructing and hoisting method and special-purpose hoisting machine for the same
  • Offshore platform integral constructing and hoisting method and special-purpose hoisting machine for the same

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Embodiment 1

[0037] Embodiment 1, a method for overall construction and hoisting of an offshore platform is to first complete the construction of the floating body of the lower part of the platform on land according to the requirements of the drawings; at the same time, construct the upper module of the platform on land according to the requirements of the drawings, and the upper module of the platform is constructed as a whole; the lower part of the platform The floating body is launched onto the launching barge, the barge is towed to the designated area in the dock, sinks, the floating body floats naturally, and then the floating body is moved to the designated position; the entire upper module of the platform is launched onto the launching barge, and the launching barge is towed to the dock. The launching barge is positioned and prepared for lifting; the dock door is closed; the upper module of the platform is hoisted to a place higher than the floating body of the lower part of the platf...

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Abstract

The present invention discloses integral offshore platform building and hoisting process and special crane. The integral offshore platform building and hoisting process includes the first building integral lower platform part and upper platform modules at ground, the subsequent shifting the lower platform part to the sea dock, hoisting the upper platform modules onto the lower platform part and welding together. The special crane in great hoisting capacity includes four uprights for fixing on ground, crossbeams, and several hoisting mechanisms. The present invention has the features of high work efficiency, less risk and high platform quality.

Description

technical field [0001] The invention belongs to the technical field of offshore platform construction, and in particular relates to a method for overall construction and hoisting of an offshore platform and a special crane thereof. Background technique [0002] At present, regardless of the size of the shipyard, the drilling platform is built in sections. First, the lower floating body is built, and then the upper module is lifted by using 100-ton, 300-ton, 500-ton gantry cranes or mobile cranes, or thousands of tons of floating cranes. (Including deck and internal equipment, drilling module, living module, helideck module, deck crane, various life-saving equipment, etc.) To install on the 30-meter-high floating body, dozens or even hundreds of modules need to be installed , After the installation of the structural part is completed, the workers will carry out the welding between the sections, and install the corresponding equipment and materials, and finally carry out the w...

Claims

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Application Information

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IPC IPC(8): B63B9/06B66C17/06B66C25/00B66C9/00
Inventor 章立人兰公英张谭龙韩华伟姜效瑜滕瑶
Owner YANTAI RAFFLES SHIPYARD
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