CN114379729A - Method for carrying general sections not on same central line - Google Patents
Method for carrying general sections not on same central line Download PDFInfo
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- CN114379729A CN114379729A CN202210026507.9A CN202210026507A CN114379729A CN 114379729 A CN114379729 A CN 114379729A CN 202210026507 A CN202210026507 A CN 202210026507A CN 114379729 A CN114379729 A CN 114379729A
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- carrying
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- total section
- butt joint
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims description 28
- 238000003032 molecular docking Methods 0.000 claims description 6
- 238000011068 loading method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a total segment carrying method which is not on the same central line, the method utilizes a total station instrument to measure the sizes of a carrying total segment and a reference total segment, and the carrying total segment and the reference total segment can be cut in surplus in a construction site before carrying.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for carrying general sections which are not on the same central line.
Background
In the ship construction, particularly the tonnage of the existing ship is gradually increased, the total assembly of the single sections is required in advance to realize the quick ship construction and save the cost, and the single section carrying can not meet the requirement. However, the span of the total section after the large ship sections are assembled is large, the number of control points is large, the structure is complex, the ship enterprises are usually directly carried at present, the layer height and the front and rear lengths are measured by using a measuring tape on site after the sections are in place, and the allowance of the total section is determined by calculating on site. The deck level is measured to the edge mouth only under most circumstances, and the intermediate position can only rely on the naked eye to observe, and the error is great. And as the total section is placed on the site and is subjected to the influence of natural weather and the change of temperature difference in the morning and evening for a long time, the method for seeing the tape measure by everyone is different in the process, and measurement errors and the like are generated. The field personnel can not perceive the result, the accuracy of the main section is uncontrollable, and the accurate positioning and the subsequent control can not be realized.
Disclosure of Invention
In view of the above, the present invention provides a total segment loading method not on the same centerline, so as to solve the above problems in the prior art.
A total segment carrying method not on the same center line specifically comprises the following steps:
s1, measuring the actual three-dimensional coordinates of the total section structure points on the built carrying total section by using a total station, comparing the actual three-dimensional coordinates of the total section structure points with the three-dimensional coordinates in the three-dimensional model, and analyzing to obtain the building allowance of the carrying total section;
s2, cutting the construction allowance on the carrying total section;
s3, moving the reference total section to a total section butt joint position, measuring the actual three-dimensional coordinates of the measuring points on the butt joint surface of the reference total section by using a total station, comparing the actual three-dimensional coordinates of the measuring points on the butt joint surface with the three-dimensional coordinates in the three-dimensional model, and analyzing to obtain the construction allowance of the butt joint surface of the reference total section;
s4, cutting the construction allowance on the butt joint surface of the reference total section;
and S5, carrying the carrying main section at the two ends of the stem and the stern of the reference main section.
Preferably, in step S3, before moving the reference block to the block docking position, a carrying centerline and an auxiliary centerline need to be drawn on the ground at the block docking position in advance, and a reference line having the same height as the hull baseline is drawn on the dock wall or the dock platform on one side of the block docking position;
then, the reference main section is moved to a main section butt joint position by taking the carrying central line and the auxiliary central line as references, so that the central line of the reference main section is aligned with the carrying central line on the ground;
then, selecting a plurality of measuring points on the butt joint surface of the reference total section, establishing a three-dimensional coordinate system by taking the carrying central line as an X axis and the reference line as a Z axis, measuring the actual three-dimensional coordinates of each measuring point by using a total station, comparing the actual three-dimensional coordinates of the measuring points on the butt joint surface with the three-dimensional coordinates in the three-dimensional model, and analyzing to obtain the construction allowance of the butt joint surface of the reference total section.
Preferably, the mounting center line is parallel to the auxiliary center line.
Preferably, the total section structure point comprises an intersection point between every two members, an intersection point of the members and the outer plate, and an intersection point of the members and the deck.
The invention has the beneficial effects that:
1. the total station is used for measuring the sizes of the carrying total section and the reference total section, and the carrying total section and the reference total section can be cut in the construction site before carrying, so that the carrying total section can be cut smoothly due to the fact that the construction site of the carrying total section is spacious and spacious, the carrying work can be smoothly carried out, the carrying efficiency of the carrying total section and the reference total section can be improved, the carrying total section and the reference total section can be carried in place at one time, and carrying positioning accuracy is improved.
2. The invention can quickly control the line types of the carrying main section and the reference main section, avoid repeated positioning and subsequent carrying dislocation of the carrying main section, improve the carrying construction rate of ships and reduce the implementation cost and labor force.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a mounting diagram of a mounting block and a reference block.
The reference numerals in the figures have the meaning:
the device comprises a carrying main section 1, a reference main section 2, a carrying central line 3, an auxiliary central line 4 and a reference line 5.
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The invention provides a method for carrying general sections which are not on the same central line, which comprises the following steps:
and S1, measuring the actual three-dimensional coordinates of the total section structure points on the built carrying total section by using a total station, comparing the actual three-dimensional coordinates of the total section structure points with the three-dimensional coordinates in the three-dimensional model, analyzing to obtain the building allowance of the carrying total section, and drawing an allowance cutting line on the carrying total section.
The total section structure point comprises an intersection point between every two members, an intersection point between each member and the outer plate, and an intersection point between each member and the deck.
And S2, cutting the construction allowance on the carrying total section.
And S3, moving the reference total segment to the total segment butt joint position.
Before the reference block is moved to the block butt joint position, a carrying central line and an auxiliary central line need to be drawn on the ground at the block butt joint position in advance, a base line which is as high as the ship body base line is drawn on a dock wall or a ship platform on one side of the block butt joint position, and the carrying central line is parallel to the auxiliary central line;
then, the reference main section is moved to a main section butt joint position by taking the carrying central line and the auxiliary central line as references, so that the central line of the reference main section is aligned with the carrying central line on the ground;
and then, measuring the actual three-dimensional coordinates of the measuring points on the butt joint surface of the reference total section by using a total station, comparing the actual three-dimensional coordinates of the measuring points on the butt joint surface with the three-dimensional coordinates in the three-dimensional model, analyzing to obtain the construction allowance of the butt joint surface of the reference total section, and drawing an allowance cutting line on the butt joint surface of the reference total section.
And S4, cutting the construction allowance on the butt joint surface of the reference total section.
And S5, carrying the carrying main section at the two ends of the stem and the stern of the reference main section.
The total station is used for measuring the sizes of the carrying total section and the reference total section, and the carrying total section and the reference total section can be cut in the construction site before carrying, so that the carrying total section can be cut smoothly due to the fact that the construction site of the carrying total section is spacious and spacious, the carrying work can be smoothly carried out, the carrying efficiency of the carrying total section and the reference total section can be improved, the carrying total section and the reference total section can be carried in place at one time, and carrying positioning accuracy is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A total segment carrying method not on the same central line is characterized by comprising the following steps:
s1, measuring the actual three-dimensional coordinates of the total section structure points on the built carrying total section by using a total station, comparing the actual three-dimensional coordinates of the total section structure points with the three-dimensional coordinates in the three-dimensional model, and analyzing to obtain the building allowance of the carrying total section;
s2, cutting the construction allowance on the carrying total section;
s3, moving the reference total section to a total section butt joint position, measuring the actual three-dimensional coordinates of the measuring points on the butt joint surface of the reference total section by using a total station, comparing the actual three-dimensional coordinates of the measuring points on the butt joint surface with the three-dimensional coordinates in the three-dimensional model, and analyzing to obtain the construction allowance of the butt joint surface of the reference total section;
s4, cutting the construction allowance on the butt joint surface of the reference total section;
and S5, carrying the carrying main section at the two ends of the stem and the stern of the reference main section.
2. The method for carrying total sections which are not on the same center line as in claim 1, wherein in step S3, before moving the reference total section to the total section docking position, a carrying center line and an auxiliary center line need to be drawn on the ground at the total section docking position in advance, and a reference line which is as high as the ship body baseline is drawn on a dock wall or a ship platform at one side of the total section docking position;
then, the reference main section is moved to a main section butt joint position by taking the carrying central line and the auxiliary central line as references, so that the central line of the reference main section is aligned with the carrying central line on the ground;
then, selecting a plurality of measuring points on the butt joint surface of the reference total section, establishing a three-dimensional coordinate system by taking the carrying central line as an X axis and the reference line as a Z axis, measuring the actual three-dimensional coordinates of each measuring point by using a total station, comparing the actual three-dimensional coordinates of the measuring points on the butt joint surface with the three-dimensional coordinates in the three-dimensional model, and analyzing to obtain the construction allowance of the butt joint surface of the reference total section.
3. The method of claim 2, wherein the loading centerline is parallel to the auxiliary centerline.
4. The method for building blocks not on the same centerline as claimed in claim 1, wherein the block structure points include intersections between two members, intersections between members and outer plates, and intersections between members and decks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026507.9A CN114379729A (en) | 2022-01-11 | 2022-01-11 | Method for carrying general sections not on same central line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026507.9A CN114379729A (en) | 2022-01-11 | 2022-01-11 | Method for carrying general sections not on same central line |
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| Publication Number | Publication Date |
|---|---|
| CN114379729A true CN114379729A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210026507.9A Pending CN114379729A (en) | 2022-01-11 | 2022-01-11 | Method for carrying general sections not on same central line |
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| CN (1) | CN114379729A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180090A (en) * | 2022-08-05 | 2022-10-14 | 广船国际有限公司 | Method for determining pre-repair cutting allowance line of ship plate |
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| CN1751960A (en) * | 2005-09-07 | 2006-03-29 | 广州文冲船厂有限责任公司 | Lengthening reform technology of ship |
| KR100730694B1 (en) * | 2006-07-13 | 2007-06-21 | 대우조선해양 주식회사 | Marking method for water line of ship |
| CN107499454A (en) * | 2017-08-28 | 2017-12-22 | 上海外高桥造船有限公司 | A kind of control method of the ship body segment carrying precision based on OTS |
| CN110329423A (en) * | 2019-06-24 | 2019-10-15 | 沪东中华造船(集团)有限公司 | A kind of accuracy control method of hull Quick carrying |
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| CN113401308A (en) * | 2021-05-21 | 2021-09-17 | 沪东中华造船(集团)有限公司 | Ship large-line type subsection total assembly precision control method |
-
2022
- 2022-01-11 CN CN202210026507.9A patent/CN114379729A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1751960A (en) * | 2005-09-07 | 2006-03-29 | 广州文冲船厂有限责任公司 | Lengthening reform technology of ship |
| KR100730694B1 (en) * | 2006-07-13 | 2007-06-21 | 대우조선해양 주식회사 | Marking method for water line of ship |
| CN107499454A (en) * | 2017-08-28 | 2017-12-22 | 上海外高桥造船有限公司 | A kind of control method of the ship body segment carrying precision based on OTS |
| CN110329423A (en) * | 2019-06-24 | 2019-10-15 | 沪东中华造船(集团)有限公司 | A kind of accuracy control method of hull Quick carrying |
| CN111422323A (en) * | 2020-04-17 | 2020-07-17 | 上海外高桥造船有限公司 | Positioning reference line based sectional construction method for transverse bulkhead of ultra-large box ship |
| CN113401308A (en) * | 2021-05-21 | 2021-09-17 | 沪东中华造船(集团)有限公司 | Ship large-line type subsection total assembly precision control method |
Non-Patent Citations (1)
| Title |
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| 应长春主编: "船舶工艺技术", 上海交通大学出版社, pages: 934 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180090A (en) * | 2022-08-05 | 2022-10-14 | 广船国际有限公司 | Method for determining pre-repair cutting allowance line of ship plate |
| CN115180090B (en) * | 2022-08-05 | 2023-06-20 | 广船国际有限公司 | Determination method for ship plate pre-repair allowance line |
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