Method for installing a total assembly phase water gauge and load line mark

By using the outer surface of the flat keel as a reference for the installation of water level gauges and load line markers during the final assembly stage, the problems of complex installation and extended undocking time in the existing technology have been solved. This has enabled efficient and accurate installation of water level gauges and load line markers, shortened the construction cycle, and reduced costs.

CN121133939BActive Publication Date: 2026-07-24QINGDAO BEIHAI SHIPBUILDING HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO BEIHAI SHIPBUILDING HEAVY IND CO LTD
Filing Date
2025-10-20
Publication Date
2026-07-24

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Abstract

The application discloses a kind of total assembly stage water gauge and load line mark installation method, it is related to shipbuilding technical field.The present application first determines the precision deviation of water gauge mark forward installation, then installs the water gauge mark of the ship's waist, load line mark, bow water gauge mark and stern water gauge mark in turn, finally carries out the water gauge mark of bow closing seam two sides and stern closing seam two sides, by accurately surveying the installation position of water gauge and load line mark, the accurate installation of total assembly stage water gauge and load line mark is realized, by the process of water gauge and load line mark installation is moved forward, effectively avoid the damage of later period dock installation welding operation to already coated surface, improve the paint integrity of ship cabin, reduce the workload of closing stage paint secondary coating, substantially shorten the construction period of ship, reduce the paint loss and environmental pollution in the process of shipbuilding.
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