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A method for marking the datum axis of the mark3 type lng ship

A technology of reference axis and LNG ship, applied in the field of marking the reference axis of Mark3 LNG ship, can solve the problems such as the failure of corrugated plate to form a ring, the catastrophic consequences of the construction of the containment system, etc., and achieve the effect of improving the accuracy of the reference line

Active Publication Date: 2022-08-05
HUDONG ZHONGHUA SHIPBUILDINGGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, the key to whether the corrugation can form a ring is determined by the reference line of each surface. If the reference line is determined to be deviated, the corrugated plate installed later will not be able to form a ring, which will have disastrous consequences for the construction of the entire enclosure system.

Method used

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  • A method for marking the datum axis of the mark3 type lng ship
  • A method for marking the datum axis of the mark3 type lng ship
  • A method for marking the datum axis of the mark3 type lng ship

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing ...

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Abstract

The invention discloses a method for marking a reference axis of a Mark3 LNG carrier, the method comprising: measuring the internal dimensions of a liquid cargo tank; marking the actual midpoint position of the edge line; calculating the offset value of the reference line from the actual midpoint; Mark each bulkhead reference line BR1 and BR2; check the verticality of the reference line BR1 and BR2. The invention accurately draws the reference line of each surface and makes the reference line of each surface form a loop.

Description

technical field [0001] The invention belongs to the technical field of ship construction, and in particular relates to a method for marking a reference axis of a Mark3 type LNG ship. Background technique [0002] Mark 3 containment system is currently the mainstream LNG ship containment system technology. All surfaces of Mark 3 containment system should be considered as a whole during construction. figure 1 form an organic whole. Whether the corrugation of the corrugated board can form rings in all directions is determined by the insulating modules installed under the corrugated board, and the position of the insulating modules on each side is determined by the reference lines (BR1, BR2). Therefore, the key to whether the corrugation can form a ring is determined by the reference line of each surface. If the reference line is determined to be deviated, the subsequently installed corrugated plate cannot form a ring, which will have catastrophic consequences for the construct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25H7/04
CPCB25H7/04
Inventor 蒋贵全黄华兵戴伟晓鲍作益
Owner HUDONG ZHONGHUA SHIPBUILDINGGROUP
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