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Connection structure between column and deck box of semi-submersible type offshore engineering platform

A technology for marine engineering and platform columns, which is applied to ship hull decks, floating buildings, hull components, etc. It can solve the problems of stress concentration at the connection joints between support tubes and structures, and complicated structure of support tubes, so as to reduce the overall weight and avoid the need for support rods. The effect of instability and simple structure

Inactive Publication Date: 2019-05-28
CHINA MERCHANTS HEAVY IND JIANGSU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the traditional semi-submersible offshore engineering platform, such as the complex structure of the support tube and the stress concentration of the connection node between the support tube and the structure, the present invention provides a new transition connection method between the column and the deck box

Method used

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  • Connection structure between column and deck box of semi-submersible type offshore engineering platform
  • Connection structure between column and deck box of semi-submersible type offshore engineering platform
  • Connection structure between column and deck box of semi-submersible type offshore engineering platform

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Embodiment Construction

[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0018] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of a component can be directly connected or indirectly connected through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

[0019] Ex...

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Abstract

The invention discloses a connection structure between a column and a deck box of a semi-submersible type offshore engineering platform. According to the connection structure, a strut structure of a traditional semi-submersible platform is abandoned, and a transition curved surface is adopted to connect the deck box with the column to enhance the continuity of the structure, and the platform has high integrity; the transition curved surface structure is formed by splicing a plurality of segmented structural shell plates, and the shell plates are simple in form and convenient to assemble and produce. The connection structure provided by the invention is simpler and more attractive in form, the load is redistributed more effectively, the lateral extrusion, lateral separation and oblique torsion of the platform can be effectively resisted, and local stress concentration and instability caused by struts can also be avoided, thereby greatly reducing the risk of fatigue failure of joints, lowering the specification requirements for steel, and relieving the overall weight of the platform.

Description

technical field [0001] The invention relates to the field of marine engineering, in particular to a connection structure between a column of a semi-submersible marine engineering platform and a deck box. technical background [0002] The semi-submersible ocean platform is a sharp weapon for human beings to explore the deep sea. It is a cutting-edge ocean engineering technology that countries are vying to develop. It has broad prospects and markets. The traditional semi-submersible ocean platform is large in size and complex in structure. It is mainly composed of three parts: The upper platform (deck box), lower floating body, uprights and support pipes, the design of the support pipe joints is very complicated, and they are connected with the deck box, lower floating body and uprights to form a steel frame structure to constrain the relative displacement of the uprights and lower floating body , that is, resist the lateral extrusion and lateral separation of the platform. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B35/44B63B3/48
Inventor 陈伶翔洪昌盛魏大伟徐能奖王旭陈文科
Owner CHINA MERCHANTS HEAVY IND JIANGSU
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