Installation method of overlong twin-skeg structure segment and shaft bracket dock

An installation method and a stern shaft frame technology, which are applied to ship components, ship construction, transportation and packaging, etc., can solve problems such as complex hull structure design and construction technology, and achieve the effects of shortening the production cycle and reducing production costs

Active Publication Date: 2012-05-02
HUDONG ZHONGHUA SHIPBUILDINGGROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the design and construction process of the hull structure is extremely complicated.

Method used

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  • Installation method of overlong twin-skeg structure segment and shaft bracket dock
  • Installation method of overlong twin-skeg structure segment and shaft bracket dock
  • Installation method of overlong twin-skeg structure segment and shaft bracket dock

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and implementation examples, but the protection scope of the present invention should not be limited thereby.

[0029] This embodiment is a large-scale special ship with super long double skeg lines. The particularity of the separation of the main engine of this ship is:

[0030] 1) The main engine is set at the left, right, front and back positions, the length of the left and right stern axes is different from the positioning angle, and the length difference between the two axes is nearly 20 meters;

[0031] 2) The main shaft system is all wrapped inside the linear structure of the hull skeg. There are stern tubes in the left and right skeg structures, and there are front bearings, middle bearings and bearing bases inside. The stern ends are two large V-shaped cast steel bracket, also referred to as the stern shaft frame SFPS;

[0032] 3) The fin-shaped curvature line o...

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Abstract

An installation method of an overlong twin-skeg structure segment and a shaft bracket dock comprises the following steps that: (1) twin skegs consist of two symmetrical skegs at two sides of a ship body, and each single skeg is combined by a tail fin structure and a V-shaped expended arm steel casting SFPS shaft bracket. The part of the tail fin structure with maximum curvature change is divided into three segments at the bottom of the ship body; (2) the segments are reversely assembled, and the segments are embedded and initially positioned in the dock; (3) the shaft bracket and the AB05PS segment are docked, welded, installed and positioned; (4) the SB3PS segment is positioned and installed; and (5) the installation of the overlong twin-skeg structure segment and the shaft bracket dock is completed. The installation method solves the installation problem of the twin-skeg segment and the shaft bracket and effectively controls the installation precision of the overlong twin skegs, so that the overall design quality of the ship is ensured.

Description

technical field [0001] The invention relates to shipbuilding, in particular to the installation of ship skeg structures in docks, in particular to a method for installing super-long double skeg structure segments and shaft frame docks. technical background [0002] It is the first large-scale special-purpose ship with super-long double skeg lines built in my country. The ship is equipped with two super-long and symmetrical shafting systems. It is the first time in the history of shipbuilding, and it is innovative and advanced. [0003] The double-skeg linear double-scull ship is an energy-saving ship with excellent resistance propulsion and strong anti-wind and wave ability, and has more safety and stability for navigation. However, the design and construction process of the hull structure is extremely complicated. The manufacture of double skeg segments and their loading in the dock directly affect the quality and cycle of the entire ship construction. [0004] How to fin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B9/06
Inventor 周洪元张翠平张吉曹云勇牛俊陶国君秦龚刘海东
Owner HUDONG ZHONGHUA SHIPBUILDINGGROUP
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