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A kind of overweight ship turning over method in sections

A ship and steel plate technology, which is applied to ship components, ship construction, ships, etc., can solve the problem of high risk factor of segmental overturning, and achieve the effects of reducing industrial accidents, high efficiency, and broad market prospects

Active Publication Date: 2017-07-07
舟山长宏国际船舶修造有限公司
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AI Technical Summary

Problems solved by technology

[0004] The problem to be solved by the present invention is the deficiency that the risk coefficient of the existing subsection flipping is large

Method used

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  • A kind of overweight ship turning over method in sections

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Now take the 500-ton section turning of a 300,000-ton oil tanker as an example; a method for overweight section turning of a ship includes the following steps:

[0021] A. Clean up the steel plate floor 1 first, and lift the section 4 by a large gantry crane;

[0022] B. Lay the rubber plate 3 under the section 4, install two turbine propellers 2 on one side of the rubber plate 3, and install two lifting lugs 5 on the other side;

[0023] C. Slowly place the segment 4 on the rubber plate 3, wrap the segment 4 with a rubber cover, and the rubber cover and the rubber plate 3 are bonded together to form a sealing body, which prevents water from corroding the segment 4 and prevents the Secondary processing for scratches in subsection 4;

[0024] D. On the steel plate ground 1, surround the segment 4 with a steel plate to form a tank, and pour water...

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Abstract

A method of turning over an overweight ship in sections. First, clean the steel plate floor and lift the sections by a large gantry crane. Lay the rubber plate under the section, and install two turbo propellers on one side of the rubber plate and the other on the other. Two lifting ears; slowly place the segment on the rubber plate, wrap the segment with a rubber cover, and glue the rubber cover and the rubber plate to form a sealing body; on the steel plate floor, use the steel plate to surround the segment and A tank is formed, and water is poured into the tank to make the segment float; the lifting lug is hooked by the pull-up crane on the right side and pulled up, and the turbo propeller is also pushed to the right, so that the entire segment is turned counterclockwise; when When the upper-pulling crane is lifted to a 90-degree turning position, start the horizontal-pulling crane to pull it left to make it turn over smoothly; after the water in the tank is drained, remove the enclosed steel plate and remove the rubber plate. Can be directly used for subsection collapse.

Description

technical field [0001] The invention relates to a method for overweight section turnover of a ship, in particular for turning over sections outside the hull, and belongs to the technical field of ships. Background technique [0002] The construction of large ships is the future trend, especially ships over 200,000 tons, which can greatly reduce the cost of transportation, but the construction of large ships is more difficult. Currently, they are built in sections, but a section of a large ship It may cost hundreds of tons, and it was built on the construction site when it was built. It is a big problem to turn over when it is closed. At present, it is manually turned over by multiple hoists, so the risk factor is high and it is easy to scratch the hull. Repairing is cumbersome and inefficient, and it often takes a day to complete. It is a problem that needs to be solved urgently. Contents of the invention [0003] The purpose of the present invention is to provide a metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B9/06
Inventor 李川江
Owner 舟山长宏国际船舶修造有限公司
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