CN112124525A - Bilge keel installation angle positioning detection method - Google Patents
Bilge keel installation angle positioning detection method Download PDFInfo
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- CN112124525A CN112124525A CN202010923391.XA CN202010923391A CN112124525A CN 112124525 A CN112124525 A CN 112124525A CN 202010923391 A CN202010923391 A CN 202010923391A CN 112124525 A CN112124525 A CN 112124525A
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- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 5
- 230000011218 segmentation Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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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
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
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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
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
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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)
- Robotics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a bilge keel installation angle positioning detection method, which comprises the steps of drawing an angle theoretical control line and obtaining a theoretical inclined length value of a bilge keel end from the angle theoretical control line in the drawing process; and when the bilge keels are assembled, comparing the theoretical oblique length value with an actual oblique length value measured in field installation, if the deviation between the theoretical oblique length value and the actual oblique length value exceeds a set allowable error range, carrying out angle adjustment and patch positioning on the bilge keels until the deviation between the theoretical oblique length value and the actual oblique length value falls into the set allowable error range, and completing the assembling of the bilge keels. The bilge keel installation angle measuring method simplifies the bilge keel installation angle measuring mode, can enable field workers to quickly and accurately position the bilge keel in the segmentation stage, can manually detect the accuracy problem of the bilge keel installation angle, improves the accuracy of the bilge keel installation angle, effectively avoids massive modification and adjustment caused by the problem of bilge keel angle error after segmentation carrying, and ensures the product quality.
Description
Technical Field
The invention belongs to the technical field of bilge keel installation operation in the ship hull sectional construction process, and particularly relates to a bilge keel installation angle positioning detection method.
Background
The bilge keels are an indispensable part of the ship body as fixed anti-rolling devices of the ship body. The bilge keels are various in forms, generally are in a single-plate shape, and can also be double-plate, and round steel is welded on the outer edge. But the traditional bilge keel positioning method comprises the following steps: a bilge keel liner plate central line is marked on a hull bilge part outer plate, a bilge keel web plate is installed after the liner plate is welded according to the marked line when a bilge keel is assembled, the angle of the bilge keel web plate is only 45 degrees relative to a base line when the bilge keel web plate is installed, and the data cannot be measured on site. Under the condition, after the sectional node is installed, the bilge keels after the total assembly and the carrying have more problems: the angles of the bilge keels at the front and the rear segments are different, so that the angle of the end part of the bilge keel or the whole bilge keel is adjusted by cutting, and subsequent unnecessary modification is caused.
Disclosure of Invention
The invention aims to provide a bilge keel installation angle positioning detection method, which can enable field workers to quickly and accurately position bilge keels in a segmented stage, can manually detect the accuracy of bilge keel installation angles, and effectively avoids the problem of readjustment after bilge keels are installed.
In order to achieve the purpose, the invention provides a bilge keel installation angle positioning detection method, which comprises the following steps:
1.1, drawing a theoretical center line of a backing plate on a bilge keel of an outer plate bilge part and a theoretical upper sideline of the backing plate;
1.2 drawing an intersecting line of a horizontal base plane and an outer plate at the position where the theoretical central line of the base plate translates upwards by 500mm as an angle theoretical control line;
1.3, acquiring a rib position circumference length value of the angle theoretical control line from the theoretical center line of the cushion plate on each rib position line;
1.4, acquiring a theoretical oblique length value of the angle theoretical control line from the end part of a bilge keel on each rib position line;
and 2, controlling the angle of the bilge keel on site according to the inspection data, and specifically comprising the following steps:
2.1 respectively marking a center line and an upper side line of the cushion plate on a bilge part of the outer plate according to the theoretical center line and the theoretical upper side line of the cushion plate in a drawing;
2.2 according to the data of the girth value of the rib position, drawing an angle control line on the bilge part of the outer plate, and performing sampling and punching on the intersection point of the rib position line and the angle control line to be used as a subsequent inspection angle;
2.3, welding a backing plate of a bilge keel on a bilge part of the outer plate according to a central line of the backing plate, and inspecting by using an upper side line of the backing plate;
2.4 during assembling of the bilge keels, the actual oblique length value of the angle control line from the end parts of the bilge keels is measured on site, the actual oblique length value is verified according to data of the theoretical oblique length value, if the deviation between the theoretical oblique length value and the actual oblique length value exceeds the set allowable error range, angle adjustment is carried out on the bilge keels, and plate filling and positioning are carried out until the deviation between the theoretical oblique length value and the actual oblique length value falls into the set allowable error range, and assembling of the bilge keels can be completed.
Compared with the prior art, the bilge keel installation angle positioning detection method provided by the invention has the beneficial effects that:
in the drawing process, an angle theoretical control line is drawn and a theoretical oblique length value of the end part of a bilge keel from the angle theoretical control line is obtained; when the bilge keels are assembled, comparing the theoretical oblique length value on each rib position with an actual oblique length value measured in field installation, if the deviation between the theoretical oblique length value and the actual oblique length value exceeds a set allowable error range, carrying out angle adjustment and plate supplementing positioning on the bilge keels until the deviation between the theoretical oblique length value and the actual oblique length value falls within the set allowable error range, and then completing the assembling of the bilge keels. Therefore, the bilge keel installation angle measuring method is simplified, field workers can quickly and accurately position the bilge keels in the segmentation stage, the bilge keel installation angle accuracy problem can be manually detected, the bilge keel installation angle accuracy is improved, a large amount of modification and adjustment caused by the bilge keel angle error problem after segmentation carrying is effectively avoided, the production efficiency is improved, and the product quality is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of the bilge keels during assembly;
figure 2 is a schematic drawing with a line drawn on the outer plate bilge.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the machine or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 and 2, a bilge keels installation angle positioning detection method according to a preferred embodiment of the present invention includes the following steps:
1.1, drawing a theoretical center line of a backing plate on a bilge keel 2 of an outer plate bilge part 1 and a theoretical upper sideline of the backing plate;
1.2 drawing an intersecting line of a horizontal base plane and an outer plate at the position where the theoretical central line of the base plate translates upwards by 500mm as an angle theoretical control line;
1.3 obtaining the rib position circumference length value L of the angle theoretical control line from the cushion plate theoretical central line on each rib position line d1；
1.4 obtaining the theoretical length value L of the angle theoretical control line from the end part of the bilge keel on each rib position line2；
And 2, controlling the angle of the bilge keel 2 on site according to the inspection data, and specifically comprising the following steps:
2.1 respectively marking a cushion plate center line a and a cushion plate upper side line b on an outer plate bilge 1 according to a cushion plate theoretical center line and a cushion plate theoretical upper side line in a drawing;
2.2 according to the value L of the girth of the rib position1Marking an angle control line c on the outer plate bilge 1, and sampling and punching a point e on the intersection point of a rib position line d and the angle control line c to be used as a subsequent inspection angle;
2.3, a backing plate 21 of the bilge keel 2 is welded on the outer plate bilge part 1 according to a backing plate center line a, and the inspection is carried out by utilizing a backing plate upper side line b;
2.4 during assembling the bilge keels, the actual inclined length value of the angle control line c from the end part 22 of the bilge keel is measured on site, and the actual inclined length value L is obtained according to the theoretical inclined length value L2The actual skew length value is verified by the data, and if the theoretical skew length value L is obtained2If the deviation between the actual skew length value and the actual skew length value exceeds the set allowable error range, angle adjustment is carried out on the bilge keels 2, and plate filling and positioning are carried out until the theoretical skew length value L is reached2And the deviation between the actual inclined length value and the actual inclined length value falls into a set allowable error range, and then the assembling of the bilge keels 2 can be completed.
Therefore, the bilge keel installation angle positioning and detecting method simplifies the bilge keel installation angle measuring mode, can enable field workers to quickly and accurately position the bilge keel in a segmented stage, can manually detect the accuracy problem of the bilge keel installation angle, improves the accuracy of the bilge keel installation angle, effectively prevents the bilge keel angle from being modified and adjusted greatly due to the error problem of the bilge keel angle after the segmentation is carried, improves the production efficiency, and ensures the product quality.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (1)
1. A bilge keel installation angle positioning detection method is characterized by comprising the following steps:
step 1, drawing is made, and inspection data are obtained, and the method specifically comprises the following steps:
1.1, drawing a theoretical center line of a backing plate on a bilge keel of an outer plate bilge part and a theoretical upper sideline of the backing plate;
1.2 drawing an intersecting line of a horizontal base plane and an outer plate at the position where the theoretical central line of the base plate translates upwards by 500mm as an angle theoretical control line;
1.3, acquiring a rib position circumference length value of the angle theoretical control line from the theoretical center line of the cushion plate on each rib position line;
1.4, acquiring a theoretical oblique length value of the angle theoretical control line from the end part of a bilge keel on each rib position line;
and 2, controlling the angle of the bilge keel on site according to the inspection data, and specifically comprising the following steps:
2.1 respectively marking a center line and an upper side line of the cushion plate on a bilge part of the outer plate according to the theoretical center line and the theoretical upper side line of the cushion plate in a drawing;
2.2 according to the data of the girth value of the rib position, drawing an angle control line on the bilge part of the outer plate, and performing sampling and punching on the intersection point of the rib position line and the angle control line to be used as a subsequent inspection angle;
2.3, welding a backing plate of a bilge keel on a bilge part of the outer plate according to a central line of the backing plate, and inspecting by using an upper side line of the backing plate;
2.4 during assembling of the bilge keels, the actual oblique length value of the angle control line from the end parts of the bilge keels is measured on site, the actual oblique length value is verified according to data of the theoretical oblique length value, if the deviation between the theoretical oblique length value and the actual oblique length value exceeds the set allowable error range, angle adjustment is carried out on the bilge keels, and plate filling and positioning are carried out until the deviation between the theoretical oblique length value and the actual oblique length value falls into the set allowable error range, and assembling of the bilge keels can be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923391.XA CN112124525B (en) | 2020-09-04 | 2020-09-04 | Bilge keel installation angle positioning detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923391.XA CN112124525B (en) | 2020-09-04 | 2020-09-04 | Bilge keel installation angle positioning detection method |
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| Publication Number | Publication Date |
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| CN112124525A true CN112124525A (en) | 2020-12-25 |
| CN112124525B CN112124525B (en) | 2022-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798770A (en) * | 2021-09-01 | 2021-12-17 | 渤海造船厂集团有限公司 | Method for installing and positioning welding part on shell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238214C2 (en) * | 2002-12-27 | 2004-10-20 | Кузнецов Александр Константинович | Bilge keel |
| CN106394807A (en) * | 2016-10-12 | 2017-02-15 | 上海江南长兴造船有限责任公司 | Building method and device for ship block bilge keel embedding |
| CN106516001A (en) * | 2017-01-05 | 2017-03-22 | 上海江南长兴重工有限责任公司 | Ship bilge keel positioning and mounting method |
| CN106985966A (en) * | 2017-04-14 | 2017-07-28 | 上海外高桥造船有限公司 | The installation and locating method of bilge keelson |
| CN108820129A (en) * | 2018-08-16 | 2018-11-16 | 上海外高桥造船有限公司 | Location and installation mold |
| CN109552573A (en) * | 2018-12-29 | 2019-04-02 | 芜湖造船厂有限公司 | A kind of ship bilge keelson installation moulding bed template and its installation method |
| CN110487143A (en) * | 2019-07-10 | 2019-11-22 | 沪东中华造船(集团)有限公司 | A kind of inclined-plane segmented node quickly takes a measurement method |
-
2020
- 2020-09-04 CN CN202010923391.XA patent/CN112124525B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238214C2 (en) * | 2002-12-27 | 2004-10-20 | Кузнецов Александр Константинович | Bilge keel |
| CN106394807A (en) * | 2016-10-12 | 2017-02-15 | 上海江南长兴造船有限责任公司 | Building method and device for ship block bilge keel embedding |
| CN106516001A (en) * | 2017-01-05 | 2017-03-22 | 上海江南长兴重工有限责任公司 | Ship bilge keel positioning and mounting method |
| CN106985966A (en) * | 2017-04-14 | 2017-07-28 | 上海外高桥造船有限公司 | The installation and locating method of bilge keelson |
| CN108820129A (en) * | 2018-08-16 | 2018-11-16 | 上海外高桥造船有限公司 | Location and installation mold |
| CN109552573A (en) * | 2018-12-29 | 2019-04-02 | 芜湖造船厂有限公司 | A kind of ship bilge keelson installation moulding bed template and its installation method |
| CN110487143A (en) * | 2019-07-10 | 2019-11-22 | 沪东中华造船(集团)有限公司 | A kind of inclined-plane segmented node quickly takes a measurement method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798770A (en) * | 2021-09-01 | 2021-12-17 | 渤海造船厂集团有限公司 | Method for installing and positioning welding part on shell |
| CN113798770B (en) * | 2021-09-01 | 2023-10-10 | 渤海造船厂集团有限公司 | Method for installing and positioning welding piece on shell |
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| Publication number | Publication date |
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| CN112124525B (en) | 2022-09-02 |
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Application publication date: 20201225 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048830 Denomination of invention: A method for locating and detecting the installation angle of bilge keel Granted publication date: 20220902 License type: Common License Record date: 20231130 |