Hull section non-allowance healing accuracy control process

A technology of precision control and hull, applied in ship parts, ship construction, ships, etc., can solve the problems of prolonged construction period and low enterprise efficiency, and achieve the effect of shortening construction period, increasing enterprise efficiency and reducing workload

Inactive Publication Date: 2009-05-27
JIANGDONG SHIPYARD CHINA NAT CHANGJIANG SHIPPING COOPERATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Contain subsequent sub-construction, prolong the construction period, and reduce the efficiency of enterprises

Method used

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  • Hull section non-allowance healing accuracy control process
  • Hull section non-allowance healing accuracy control process
  • Hull section non-allowance healing accuracy control process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] See attached figure 1 -twenty three;

[0020] The precision control process of closing the hull section without margin: includes the following steps:

[0021] (1) At the beginning of construction, each section of the hull is in a reversed state, with the inner bottom decking on the bottom and the ship's bottom deck on the top; draw the structural line 1 on the inner bottom decking and draw the margin cutting line 2 at both ends at the same time. Take 200mm from the end inward as the cross inspection line, put on the foreign punch, and do a good job of marking and film protection; the segmental allowance cutting line 2 will not be cut for the time being, and will be cut after re-measurement and adjustment after turning over. The segmental structure gap is controlled within 0-2mm; to reduce stress concentration and deformation;

[0022] (2) When starting to build the hull section, the welding of the section structure should be strictly in accordance with the relevant re...

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PUM

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Abstract

The invention provides a process for controlling hull segmentation non-surplus seaming precision, which comprises the following steps: at the beginning of building, setting each segment of a hull to be in the reverse building state, building an inner bottom plank at the lower part and a bottom board at the upper part; lining out a structural line on the inner bottom plank and drawing surplus cutting lines at two ends thereof simultaneously, and getting 200 millimeters inwards from two ends of a seaming opening as a cross checking line; building the segments of the hull, and turning over the segments of the hull after selection; after turning over the segments of the hull, taking the inner bottom plank as a horizontal plane to adjust levels of four angles, and controlling the planeness of the inner bottom plank in certain range as required; assigning a length direction checking line in the rib direction of the seaming openings at two ends; and punching holes to make marks; lining out a surplus cutting line and a cutting checking line of a segmental annular seaming opening simultaneously; performing cutting, and machining dioxygen divided edges on the adjacent planks of the seaming opening; and after all the segmental cuttings, building a slipway to perform the seaming. Through the non-surplus precision control, the processes of seaming, cutting and secondary seaming are saved, the building cycle of the whole hull is greatly shortened, the labor efficiency is improved, and the enterprise benefit is increased.

Description

Technical field: [0001] The invention relates to the field of ship processing, in particular to a process for controlling the accuracy of the closing of ship hull segments without margin. Background technique: [0002] With the rapid development of the shipbuilding market and the rapid development of science and technology, the technology of various industries is constantly updated, and the innovative application of new processes has greatly improved production efficiency and shortened the construction period of the project. [0003] At present, the German 10,000-ton series ships under construction in domestic shipyards are divided into more than 50 sections. The lifting capacity of the cranes in the existing private shipyards is limited, and there are few places for turning over and resting in sections; if the traditional construction mode is adopted, the section construction is in a state of margin, and it must be pre-closed when closing. Excessive cutting will result in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B9/06B63B9/00
Inventor 艾湖
Owner JIANGDONG SHIPYARD CHINA NAT CHANGJIANG SHIPPING COOPERATION
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