CN112407189A - Precision construction process for bow hawse pipe and anchor block of ultra-large ship - Google Patents
Precision construction process for bow hawse pipe and anchor block of ultra-large ship Download PDFInfo
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- CN112407189A CN112407189A CN202011355801.1A CN202011355801A CN112407189A CN 112407189 A CN112407189 A CN 112407189A CN 202011355801 A CN202011355801 A CN 202011355801A CN 112407189 A CN112407189 A CN 112407189A
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- anchor
- anchor platform
- precision
- pipe
- pipe fitting
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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
Abstract
The invention provides a precision construction process of a hawse pipe and an anchor platform at the bow of an ultra-large ship, which comprises the following steps: s1, acquiring three-dimensional coordinate data of the centers of the openings on the upper deck, the second deck and the hull outer plate; s2, breaking the anchor chain cylinder, and decomposing the anchor chain cylinder into a first pipe fitting and a second pipe fitting; s3, respectively processing two pipe fittings; s4, processing anchor platform coamings; s5, hoisting the bottom plate of the anchor platform to the horizontal plane of the anchor lip, and ensuring the levelness of the bottom plate of the anchor platform and the horizontal plane of the anchor lip to be consistent; s6, positioning the mounting positions of the plurality of toggle plates and the anchor platform bottom plate, and positioning the mounting positions of the anchor platform coaming plates, the anchor platform bottom plate and the toggle plates; s7, hoisting the first pipe fitting; s8, hoisting an anchor platform, and butting the anchor platform with the first pipe fitting; and S9, hoisting the anchor lip, and fixedly connecting the anchor lip with the anchor platform. The invention uses a precision control technical method to ensure that the inclination angle value between the hawse pipe and the anchor platform meets the precision size requirement by using the three-dimensional coordinate coefficient, and provides technical guidance for production line operators.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a precision construction process of a bow hawse pipe and an anchor platform of an ultra-large ship.
Background
A large number of technical problems occur in the process of installing the hawse pipe and the anchor platform on the bow part of the ultra-large container ship in sections, so that a large working load is brought to site construction, and the construction period is prolonged. By combing the entire building process, the following problems can be generalized: 1) the design provides incomplete data; 2) the characteristics of the manufactured product are not clear on site; 3) preparation procedures for product manufacturing are insufficient; 4) hoisting and positioning precision size control points are difficult to implement. The production efficiency is low due to the problems, the labor force is repeatedly input, and the tire position circulation period is prolonged.
On the other hand, because the production process technology is old, the requirements on precision and size cannot be met for the production control of the hawse pipe obliquely penetrating through the hull outer plate, the deck and the two decks, the inclination angle between the center line of the hawse pipe and the two decks and between the anchor platform baseplates and the like, so that the construction quality of the ultra-large container ship cannot meet the requirements of shipowners.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a precision construction process of a bow hawse pipe and an anchor platform of an ultra-large ship, which improves the production efficiency on the basis of meeting the precision requirement.
The invention provides a precision construction process of a hawse pipe and an anchor platform at the bow of an ultra-large ship, which comprises the following steps:
s1, acquiring three-dimensional coordinate data of the centers of the openings at the upper deck, the second deck and the hull outer plate, which are penetrated by the hawse pipe;
s2, breaking the hawse pipe, and decomposing the hawse pipe into a first pipe fitting and a second pipe fitting, wherein the first pipe fitting is used for penetrating through the two decks and the hull planks to obtain three-dimensional coordinate data of the bottom section of the first pipe fitting;
s3, respectively processing two pipe fittings, and performing precision control on the inner diameter of each pipe fitting;
s4, processing anchor platform enclosing plates, and performing precision control on the bending and bending values of each anchor platform enclosing plate;
s5, performing intermediate assemblage installation on the anchor lip and the anchor platform bottom plate, and hoisting the anchor platform bottom plate to the horizontal plane of the anchor lip to ensure that the levelness of the anchor lip and the anchor platform bottom plate is consistent;
s6, hoisting the toggle plates to corresponding mounting position lines on the anchor platform bottom plate, positioning the mounting positions of the plurality of toggle plates and the anchor platform bottom plate, hoisting the anchor platform coaming plate, and positioning the mounting positions of the anchor platform coaming plate, the anchor platform bottom plate and the toggle plates;
s7, hoisting the first pipe fitting to enable the first pipe fitting to penetrate through the outer plate and the second plate of the ship body, and determining the inclination angle and the installation position of the first pipe fitting to meet the requirement of precision size by using a precision control technology;
s8, hoisting an anchor platform, butting the anchor platform with the first pipe fitting, and ensuring that the inclination angle between the anchor platform and the first pipe fitting meets the requirement of precision and size;
and S9, hoisting the anchor lip, and fixedly connecting the anchor lip with the anchor platform.
Preferably, in S3, the first pipe member and the second pipe member are each composed of two arc-shaped plates having different thicknesses.
Preferably, in S3, the curved plates are manufactured by cold-working and bending, and a wood template is used to determine whether the inner diameters of the curved plates meet the precision requirement, and then the two curved plates are assembled and welded to obtain the first pipe fitting or the second pipe fitting.
Preferably, in S4, a hydraulic press is used to perform cold-working bending on the flat plate to obtain the anchor platform coaming, and a wooden sample box is used to check whether the bending value of the anchor platform coaming meets the dimensional requirement of precision control.
Preferably, at S6, a punch mark is marked at the corresponding position of the anchor lip to ensure that the subsequent installation position is accurate.
Preferably, in S7, the hoisting process of the first tubular is monitored using a total station.
Preferably, in S8, the total station is used to measure three-dimensional coordinate data of four vertices of the bottom section of the first tubular member, locally modifying the shape of the first tubular member, ensuring that the tilt angle between the anchor platform and the first tubular member meets the dimensional accuracy requirements.
The precision construction process has the advantages that the precision construction process can gradually extend from a middle-small erection stage for manufacturing the anchor platform and the hawse pipe to sectional large erection hoisting and precise butt joint folding, in the installation process of the hawse pipe penetrating through the outer plate of the ship body and the two decks, the inclination angle value between the hawse pipe and the anchor platform can meet the requirement of precision size by using a precision control technical method and a three-dimensional coordinate coefficient, technical guidance is provided for production line operators, the productivity efficiency is improved, the production cost of enterprise investment is reduced, and meanwhile, the ship construction quality and precision can meet the requirement of customers.
Drawings
FIG. 1 is a structural cross-sectional view of a hawse pipe through an upper deck, deck and outer hull plate;
FIG. 2 is a schematic view of the anchor barrel being broken down into pieces of the first and second tubular members in S2;
FIG. 3 is a schematic view of the curved plate bending and precision control of the cold working in S3;
FIG. 4 is a schematic illustration of the machining of the anchor platform fence and precision control in S4;
FIG. 5 is a schematic view of the positioning of the anchor lip and anchor platform base plate in S5;
FIG. 6 is a schematic illustration of the positioning of the anchor platform floor, anchor platform fence and toggle in S6;
fig. 7 is a schematic view of the first pipe member hoisted to penetrate through the outer hull plate and the second deck in S7;
fig. 8 is a schematic diagram of the use of a total station to verify the installation accuracy of the first tubular at S7;
FIG. 9 is a schematic view of the docking of the anchor block with the first tubular member of S8;
FIG. 10 is a schematic illustration of the abutment of the anchor lip with the anchor pad of S9;
fig. 11 is a schematic view of the mounting arrangement of the anchor block, the first tubular member and the anchor lip.
Element number description:
1 hawse pipe
11 first pipe fitting
111 bottom section
112 arc-shaped plate
12 second pipe fitting
2 Anchor platform
21 anchor platform bottom plate
22 anchor platform coaming
23 toggle plate
3 anchor lip
4 hull plate
5 Wood sample plate
6 wooden sample box
7 jig frame
8 Total station
91 upper armor plate
92 two-layer plate
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The invention provides a precision construction process of a hawse pipe and an anchor platform at the bow of an ultra-large ship, which comprises the following steps:
s1, as shown in fig. 1, three-dimensional coordinate data of the centers of the openings in the upper deck 91, the second deck 92, and the hull outer panel 4 through which the hawse pipe 1 passes are acquired.
S2, as shown in fig. 2, the hawse pipe 1 is cut off, and the hawse pipe 1 is divided into a first pipe 11 and a second pipe 12, wherein the first pipe 11 is used for penetrating through the second deck 92 and the hull plate 4, and the second pipe 12 is used for penetrating through the upper deck 91. The three-dimensional coordinate data of the fracture of the two pipe fittings and the bottom section 111 of the first pipe fitting 11 are obtained, so that an operator can perform accurate positioning in subsequent operation conveniently.
S3, as shown in fig. 3, the first pipe fitting 11 and the second pipe fitting 12 are both composed of two arc plates with thickness of 40mm and 60mm, the arc plates 112 with plate thickness of 40mm and 60mm are manufactured by cold working and bending, and the semicircular wood template 5 is used to determine whether the inner diameter of the arc plate 112 meets the precision requirement, and then the two arc plates 112 are assembled and welded to obtain the first pipe fitting 11 or the second pipe fitting 12, where the inner diameters of both the two pipe fittings are 1550 mm.
S4, as shown in fig. 4, cutting the straight plate, performing cold working bending on the straight plate by using an 800T oil press to obtain a bent anchor platform coaming 22, and then checking whether the bending value of the anchor platform coaming 22 meets the size requirement of precision control by using a wooden sample box 6.
S5, as shown in fig. 5, the anchor lip 3 and the anchor platform bottom plate 21 are assembled, the jig 7 made of the auxiliary channel steel is used to fix the position of the anchor lip 3, and then the anchor platform bottom plate 21 is lifted to the horizontal position of the anchor lip 3, so as to ensure the levelness of the two is consistent.
S6, as shown in fig. 6, hoisting the toggle plates 23 to corresponding installation position lines on the anchor platform bottom plate 21, using the total station 8 to assist in positioning the installation positions of the plurality of toggle plates 23 and the anchor platform bottom plate 21, then hoisting the anchor platform enclosing plate 22, and positioning the installation positions of the anchor platform enclosing plate 22, the anchor platform bottom plate 21 and the toggle plates 23. And punching foreign impact marks at corresponding positions of the anchor lips 3 to ensure accurate subsequent installation positions.
S7, as shown in fig. 7 and 8, hoisting the first pipe 11 so that the first pipe 11 penetrates through the hull plate 4 and the second plate 92, and monitoring the three-dimensional coordinate data of the first pipe 11 by using the total station 8 during the hoisting process, so as to ensure that the inclination angle between the first pipe 11 and the second plate 92 is 62.9 °, and the installation position thereof meets the precision size requirement.
S8, as shown in fig. 9, hoisting the anchor platform 2, placing the toggle plate 23 between the first pipe fitting 11 and the hull plate 4, abutting the anchor platform coaming 22 and the anchor platform bottom plate 21 with the first pipe fitting 11, measuring the three-dimensional coordinate data of four vertexes of the bottom section 111 of the first pipe fitting 11 by using a total station, and locally modifying the shape of the first pipe fitting 11 to ensure that the inclination angle between the anchor platform 2 and the first pipe fitting 11 meets the precision dimension requirement.
And S9, as shown in figures 10 and 11, hoisting the anchor lip 3, positioning the installation position according to the ocean punching mark on the anchor lip 3, and welding the anchor lip 3 and the anchor platform 2 together to finish the assembly.
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 (7)
1. The precision construction process of the hawse pipe and the anchor platform at the bow part of the ultra-large ship is characterized by comprising the following steps of:
s1, acquiring three-dimensional coordinate data of the centers of the openings at the upper deck, the second deck and the hull outer plate, which are penetrated by the hawse pipe;
s2, breaking the hawse pipe, and decomposing the hawse pipe into a first pipe fitting and a second pipe fitting, wherein the first pipe fitting is used for penetrating through the two decks and the hull planks to obtain three-dimensional coordinate data of the bottom section of the first pipe fitting;
s3, respectively processing two pipe fittings, and performing precision control on the inner diameter of each pipe fitting;
s4, processing anchor platform enclosing plates, and performing precision control on the bending and bending values of each anchor platform enclosing plate;
s5, performing intermediate assemblage installation on the anchor lip and the anchor platform bottom plate, and hoisting the anchor platform bottom plate to the horizontal plane of the anchor lip to ensure that the levelness of the anchor lip and the anchor platform bottom plate is consistent;
s6, hoisting the toggle plates to corresponding mounting position lines on the anchor platform bottom plate, positioning the mounting positions of the plurality of toggle plates and the anchor platform bottom plate, hoisting the anchor platform coaming plate, and positioning the mounting positions of the anchor platform coaming plate, the anchor platform bottom plate and the toggle plates;
s7, hoisting the first pipe fitting to enable the first pipe fitting to penetrate through the outer plate and the second plate of the ship body, and determining the inclination angle and the installation position of the first pipe fitting to meet the requirement of precision size by using a precision control technology;
s8, hoisting an anchor platform, butting the anchor platform with the first pipe fitting, and ensuring that the inclination angle between the anchor platform and the first pipe fitting meets the requirement of precision and size;
and S9, hoisting the anchor lip, and fixedly connecting the anchor lip with the anchor platform.
2. The precision building process of claim 1, wherein in S3, the first and second pipe members are each composed of two arc-shaped plates having different thicknesses.
3. The precision building process of claim 2, wherein in S3, the arc plates are manufactured by cold-working and bending, a wood template is used to confirm whether the inner diameters of the arc plates meet the precision requirements, and then the two arc plates are assembled and welded to obtain the first pipe or the second pipe.
4. The precision building process according to claim 1, wherein in S4, the flat plate is cold-worked and bent by an oil press to obtain the anchor platform coaming, and the wooden sample box is used to check whether the bending value of the anchor platform coaming meets the dimensional requirement of precision control.
5. The precision building process of claim 1, wherein in S6, ocean punch marks are marked at corresponding positions of the anchor lip to ensure that the subsequent installation position is accurate.
6. The precision building process of claim 1, wherein in S7, the hoisting process of the first tubular is monitored using a total station.
7. The precision building process of claim 1, wherein in S8, the three-dimensional coordinate data of four vertices of the bottom section of the first tubular element is measured using a total station, and the shape of the first tubular element is locally modified to ensure that the tilt angle between the anchor platform and the first tubular element meets precision dimensional requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355801.1A CN112407189A (en) | 2020-11-26 | 2020-11-26 | Precision construction process for bow hawse pipe and anchor block of ultra-large ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011355801.1A CN112407189A (en) | 2020-11-26 | 2020-11-26 | Precision construction process for bow hawse pipe and anchor block of ultra-large ship |
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| Publication Number | Publication Date |
|---|---|
| CN112407189A true CN112407189A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011355801.1A Pending CN112407189A (en) | 2020-11-26 | 2020-11-26 | Precision construction process for bow hawse pipe and anchor block of ultra-large ship |
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| CN (1) | CN112407189A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918634A (en) * | 2021-03-04 | 2021-06-08 | 江南造船(集团)有限责任公司 | Precision control method for ship anchoring system structure |
| CN113998072A (en) * | 2021-11-30 | 2022-02-01 | 沪东中华造船(集团)有限公司 | Manufacturing and mounting method of standard anchor platform |
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| CN103979073A (en) * | 2014-05-26 | 2014-08-13 | 上海江南长兴重工有限责任公司 | Installation method for segmented pre-installation of anchor table, anchor mouth and hawse pipe |
| CN109204687A (en) * | 2018-08-15 | 2019-01-15 | 招商局重工（江苏）有限公司 | A kind of installation method of chain pipe anchor station anchor lip |
| CN109703694A (en) * | 2018-12-30 | 2019-05-03 | 山海关船舶重工有限责任公司 | A kind of whole single segmentation prepackage method of anchor station |
| CN110877682A (en) * | 2019-11-13 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Ship unbalanced anchor lip preassembling process |
| CN111532379A (en) * | 2020-04-28 | 2020-08-14 | 江苏扬子鑫福造船有限公司 | Ship anchor platform structure and machining method thereof |
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2020
- 2020-11-26 CN CN202011355801.1A patent/CN112407189A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979073A (en) * | 2014-05-26 | 2014-08-13 | 上海江南长兴重工有限责任公司 | Installation method for segmented pre-installation of anchor table, anchor mouth and hawse pipe |
| CN109204687A (en) * | 2018-08-15 | 2019-01-15 | 招商局重工（江苏）有限公司 | A kind of installation method of chain pipe anchor station anchor lip |
| CN109703694A (en) * | 2018-12-30 | 2019-05-03 | 山海关船舶重工有限责任公司 | A kind of whole single segmentation prepackage method of anchor station |
| CN110877682A (en) * | 2019-11-13 | 2020-03-13 | 沪东中华造船(集团)有限公司 | Ship unbalanced anchor lip preassembling process |
| CN111532379A (en) * | 2020-04-28 | 2020-08-14 | 江苏扬子鑫福造船有限公司 | Ship anchor platform structure and machining method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918634A (en) * | 2021-03-04 | 2021-06-08 | 江南造船(集团)有限责任公司 | Precision control method for ship anchoring system structure |
| CN113998072A (en) * | 2021-11-30 | 2022-02-01 | 沪东中华造船(集团)有限公司 | Manufacturing and mounting method of standard anchor platform |
| CN113998072B (en) * | 2021-11-30 | 2023-11-07 | 沪东中华造船(集团)有限公司 | Manufacturing and installing method of standard anchor platform |
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Application publication date: 20210226 |
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