CN111422319A - Multi-island construction method in large ship dock and application - Google Patents
Multi-island construction method in large ship dock and application Download PDFInfo
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- CN111422319A CN111422319A CN202010304425.7A CN202010304425A CN111422319A CN 111422319 A CN111422319 A CN 111422319A CN 202010304425 A CN202010304425 A CN 202010304425A CN 111422319 A CN111422319 A CN 111422319A
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Abstract
The invention discloses a method for constructing a plurality of islands in a large ship dock and application thereof, wherein the method comprises the following steps: s1, dividing a large total section, and determining whether a multi-island construction method in a large ship dock is adopted; s2: calculating the weight of a large-scale total section of a large-scale ship, and counting available three-dimensional adjusting instruments; s3: dividing a large total section to be built, and making a large total section displacement scheme and a three-dimensional regulator arrangement scheme; s4: arranging a three-dimensional regulator in the large ship dock according to the arrangement scheme of the three-dimensional regulator to complete the construction of a large total section; s5: and (4) performing layout adjustment on the asynchronous condition of the three-dimensional adjusting instrument, and then performing block shifting on all large blocks synchronously by using the three-dimensional adjusting instrument and finally assembling. The problem of continuous micro-movement of an overweight large-scale total section of a large ship is solved, the cooperation of three-dimensional adjusting instruments with different jacking capacities is realized, and the construction period is shortened.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a method for constructing multiple islands in a large ship dock and application thereof.
Background
The conventional construction method of the ship takes a certain section block as a positioning point, diffusion carrying assembly is carried out around the positioning point, the tail section of an FPSO (offshore floating production storage ship) is taken as a positioning reference, the subsequent section block and the block are sequentially carried out docking carrying, but the supply of the 5-7 section blocks of the middle ring section is slow, so that the subsequent section block is delayed and docked, if the subsequent section block is carried out according to a normal sequence, the subsequent work is influenced, and the dock period is increased.
Disclosure of Invention
The invention aims to solve the problems, provides a multi-island construction method in a large ship dock, solves the problem of continuous micro-movement of an overweight large total section of a large ship, realizes the cooperation of three-dimensional regulators with different jacking capacities and shortens the construction period.
The purpose of the invention is realized as follows:
the invention relates to a method for constructing a plurality of islands in a large ship dock, which comprises the following steps:
s1: dividing the large-scale total section according to the total section group and carrying plan of the large-scale ship to be built and the weight of each subsection total section, and determining to adopt a multi-island building method in a large-scale ship dock under the condition that a plurality of ring sections which cannot be carried according to the original plan are determined;
s2: calculating the weight of the large-scale total section of the large-scale ship to be built, simultaneously counting the type, the number and the bearing capacity of the available three-dimensional adjusting instrument, and pre-estimating the theoretical weight of the large-scale total section to be built;
s3: dividing the large total section to be built according to the use requirement and performance of the three-dimensional jacking instrument and the structural strength requirement of the large total section, and making a large total section displacement scheme and a three-dimensional regulator arrangement scheme;
s4: arranging a three-dimensional regulator in the large ship dock according to the three-dimensional regulator arrangement scheme in the step S3 to complete the construction of a large total section;
s5: and tracking the construction site in real time, performing layout adjustment on the asynchronous condition of the three-dimensional adjusting instrument, and performing total assembly after continuously micro-moving all large-scale total sections synchronously by using the three-dimensional adjusting instrument. Preferably, the three-dimensional regulator with low jacking capacity performs jacking action firstly.
The invention also provides application of the multi-island construction method in the large ship dock in single-hull ship bottom ship type construction.
The invention also provides application of the multi-island construction method in the large ship dock in double-hull bottom ship type construction.
The invention also provides application of the multi-island construction method in the large ship dock in FPSO construction.
The multi-island construction method in the large ship dock can realize continuous micro-movement of the ultra-large and ultra-heavy type block in the dock and avoid the prolonging of the construction period caused by the delay of sectional supply.
Drawings
Fig. 1 is a large block division state diagram for FPSO construction according to the method for constructing multiple islands in a large ship dock according to the present invention;
FIG. 2 is a schematic diagram of the arrangement of a first large-scale total three-dimensional adjusting instrument according to the present invention;
FIG. 3 is a schematic diagram of the arrangement of a second large-scale total section three-dimensional adjusting instrument according to the present invention;
FIG. 4 is a schematic diagram of the arrangement of a third large-scale total section three-dimensional adjusting instrument according to the present invention;
FIG. 5 is a schematic diagram of the layout of a fourth large-scale total section three-dimensional adjusting instrument according to the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
The invention relates to a method for constructing a plurality of islands in a large ship dock, which comprises the following steps:
s1: dividing the large-scale total section according to the total section group and carrying plan of the large-scale ship to be built and the weight of each sectional total section, and determining to adopt the multi-island building method in the large-scale ship dock under the condition that a plurality of ring sections which cannot be carried according to the original plan are determined;
s2: calculating the weight of the large total section of the multi-island construction method in the large ship dock by adopting the method, simultaneously counting the type, the number and the bearing capacity of the three-dimensional regulator 5 which can be used for constructing the large ship, and estimating the theoretical weight of the large total section of the multi-island construction method in the large ship dock;
s3: dividing a large-scale block to be used by the multi-island building method in the large ship dock according to the use requirement and performance of the three-dimensional jacking instrument and the structural strength requirement of the large-scale block, and arranging a large-scale block displacement scheme and a three-dimensional adjusting instrument 5 arrangement scheme;
s4: arranging the three-dimensional regulator 5 in the large ship dock according to the arrangement scheme of the three-dimensional regulator 5 in the step S3 to complete the construction of the large total section;
s5: and tracking the construction site in real time, performing layout adjustment on the asynchronous condition of the three-dimensional adjusting instrument 5, and performing total assembly on all large-scale total sections after total section displacement by using the three-dimensional adjusting instrument 5.
In this embodiment, the method for constructing multiple islands in a large ship dock is used for constructing an FPSO, when three ring segments in the middle of the FPSO cannot be built according to plan, wherein the weight of the heaviest large total segment is obtained after calculating the weight of the large total segment, and meanwhile, statistics is carried out on the type, the number and the bearing capacity of the three-dimensional adjusting instrument 5 which can be used for constructing the FPSO, wherein the three-dimensional adjusting instrument 5 used in this embodiment comprises 34 pieces of jacking capacity of 226t and 20 pieces of jacking capacity of 350 t; as shown in fig. 1, the central three ring segments of the FPSO constructed by using multiple islands in the present embodiment are divided into a first large total segment 1, a second large total segment 2, a third large total segment 3 and a fourth large total segment 4; as shown in fig. 2-5, the layout of the three-dimensional adjusting instruments 5 in the first large total section 1, the second large total section 2, the third large total section 3 and the fourth large total section 4 is shown; arranging a three-dimensional adjusting instrument 5 and a wood docking block 6 in an FPSO dock to complete the construction of a large-scale block; the construction site is tracked in real time, the asynchronous condition of the three-dimensional regulator 5 is subjected to layout regulation, the three-dimensional regulator 5 is used for carrying out total assembly after continuous micro-movement of the first large total section 1, the second large total section 2, the third large total section 3 and the fourth large total section 4, wherein the three-dimensional regulator 5 with the jacking capacity of 226t firstly carries out jacking action and then carries out 350t of post-action.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (5)
1. A multi-island construction method in a large ship dock is characterized by comprising the following steps:
s1: dividing the large-scale total section according to the total section group and carrying plan of the large-scale ship to be built and the weight of each subsection total section, and determining to adopt a multi-island building method in a large-scale ship dock under the condition that a plurality of ring sections which cannot be carried according to the original plan are determined;
s2: calculating the weight of the large-scale total section of the large-scale ship to be built, simultaneously counting the type, the number and the bearing capacity of the available three-dimensional adjusting instrument, and pre-estimating the theoretical weight of the large-scale total section to be built;
s3: dividing the large total section to be built according to the use requirement and performance of the three-dimensional jacking instrument and the structural strength requirement of the large total section, and making a large total section displacement scheme and a three-dimensional regulator arrangement scheme;
s4: arranging a three-dimensional regulator in the large ship dock according to the three-dimensional regulator arrangement scheme in the step S3 to complete the construction of a large total section;
s5: and tracking the construction site in real time, performing layout adjustment on the asynchronous condition of the three-dimensional adjusting instrument, and performing final assembly after continuously micro-moving all large-scale sections synchronously by using the three-dimensional adjusting instrument.
2. The method of constructing a multi-island in a large watercraft dock according to claim 1, wherein the three-dimensional regulator having a low jacking ability in S5 performs a jacking operation.
3. Use of the method of constructing a multi-island in a large watercraft dock of claim 1 in the construction of a single hull bottom hull type.
4. Use of the method of constructing a multi-island in a large watercraft dock of claim 1 in a double hull bottom hull type construction.
5. Use of the method of constructing a plurality of islands in a large watercraft dock of claim 1 in the construction of an FPSO.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010304425.7A CN111422319A (en) | 2020-04-17 | 2020-04-17 | Multi-island construction method in large ship dock and application |
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| CN202010304425.7A CN111422319A (en) | 2020-04-17 | 2020-04-17 | Multi-island construction method in large ship dock and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954832A (en) * | 2022-06-29 | 2022-08-30 | 上海外高桥造船有限公司 | Main hull total segmentation building method and ship |
| CN115520347A (en) * | 2022-09-21 | 2022-12-27 | 中国船舶集团青岛北海造船有限公司 | Arrangement method of synchronous jacking positioning machine for giant ship block |
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| CN107031790A (en) * | 2017-02-12 | 2017-08-11 | 崔再峰 | Three-dimensional adjustment instrument closes up large-scale total group of segment process method |
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| CN101987652A (en) * | 2009-08-07 | 2011-03-23 | 上海外高桥造船有限公司 | Ship block displacement method |
| KR20150000078A (en) * | 2013-06-21 | 2015-01-02 | 대우조선해양 주식회사 | Method for operating pin jig based on 3D simulation |
| KR20170000580A (en) * | 2015-06-24 | 2017-01-03 | 대우조선해양 주식회사 | Apparatus for setting submarine cover |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954832A (en) * | 2022-06-29 | 2022-08-30 | 上海外高桥造船有限公司 | Main hull total segmentation building method and ship |
| CN115520347A (en) * | 2022-09-21 | 2022-12-27 | 中国船舶集团青岛北海造船有限公司 | Arrangement method of synchronous jacking positioning machine for giant ship block |
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Application publication date: 20200717 |