CN113978658A - Method for accurately installing low-position toggle plate of liquid cargo tank of containment system - Google Patents
Method for accurately installing low-position toggle plate of liquid cargo tank of containment system Download PDFInfo
- Publication number
- CN113978658A CN113978658A CN202111440931.XA CN202111440931A CN113978658A CN 113978658 A CN113978658 A CN 113978658A CN 202111440931 A CN202111440931 A CN 202111440931A CN 113978658 A CN113978658 A CN 113978658A
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- China
- Prior art keywords
- low
- toggle plate
- line
- position toggle
- positioning
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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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
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
Abstract
The invention relates to a method for accurately installing a low-position toggle plate of a liquid cargo tank of a containment system, which comprises the following steps: step 1, marking a low-position toggle plate positioning cross line on a low-position toggle plate mounting surface; step 2, placing a low-position toggle plate positioning template at the position of the cross line, wherein the low-position toggle plate positioning template comprises a square plate body, the centers of four sides of the square plate body are respectively provided with a template positioning opening in a right-angled triangle shape, and the straight sides of four template positioning openings of the low-position toggle plate positioning template are superposed and aligned with the cross line; then, drawing a contour line of the low-position toggle plate positioning opening on the low-position toggle plate mounting surface along the low-position toggle plate positioning opening; 3, positioning three low-position toggle plates according to the contour lines of the low-position toggle plate positioning openings, and fixing the low-position toggle plates by spot welding; and 4, welding the low-position toggle plate to finish welding. The installation method can ensure that the position relations among the three low-position toggle plates in each group are consistent, ensure the installation precision of the subsequent upright columns and improve the ship construction quality.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a method for accurately installing a low-position toggle plate of a containment cargo tank.
Background
The low-position toggle plate is mainly positioned at the longitudinal angle position of the A/C surface of the No. 1 cargo tank of the NO.96 type LNG ship containment system, the No. 1 cargo tank is positioned at the bow of the ship, GTT drawing has special requirements on the strength of the position, the low-position toggle plate is a foundation for reinforcing the longitudinal angle, and the subsequent support column is welded on the low-position toggle plate, so that the accurate installation of the low-position toggle plate is important for the construction of the NO.96 type LNG ship.
Disclosure of Invention
In order to meet the installation precision of the low-position toggle plate, the invention provides a method for accurately installing the low-position toggle plate of a liquid cargo tank of a containment system, and the technical purpose of the invention is realized by the following technical scheme:
a method for accurately installing a low-position toggle plate of a liquid cargo tank of a containment system comprises the following steps:
step 1, marking a low-position toggle plate positioning cross line on a low-position toggle plate mounting surface;
step 2, placing a low-position toggle plate positioning template at the position of the cross line, wherein the low-position toggle plate positioning template comprises a square plate body, the centers of four sides of the square plate body are respectively provided with a template positioning opening in a right-angled triangle shape, one straight edge of the template positioning opening is superposed with the central line of the square plate body, and a low-position toggle plate positioning opening is arranged at the corresponding position of the template corresponding to the low-position toggle plate; the straight sides of the four template positioning openings of the low-position toggle plate positioning template are superposed and aligned with the cross line; then, drawing a contour line of the low-position toggle plate positioning opening on the low-position toggle plate mounting surface along the low-position toggle plate positioning opening;
and 4, welding the low-position toggle plate to finish welding.
Furthermore, the low-position toggle plate positioning opening is in a right-angled triangle shape, one corner of the positioning toggle plate is aligned with the right-angled contour line of the low-position toggle plate positioning opening, and the relative positions of the three low-position toggle plates are determined.
Furthermore, the center position of the low-position toggle plate positioning template is also provided with a round hole for checking whether the low-position toggle plate positioning template is aligned with the center of the cross line.
Further, when drawing the low-position toggle plate positioning cross line, the method comprises the following steps:
step 1, arranging adjacent bulkheads and a low-position toggle plate mounting surface in an intersecting manner at bulkhead positions adjacent to the low-position toggle plate mounting surface;
step 2, placing a scribing template at the intersection position of the adjacent bulkhead and the mounting surface of the low-position toggle plate, placing the scribing template in a manner of being attached to the adjacent bulkhead and the mounting surface of the low-position toggle plate, determining a point on a positioning line of the low-position toggle plate of the strut from the scribing template, and marking the point on the mounting surface of the low-position toggle plate; moving the scribing template, determining another point on the positioning line of the low-position bracket of the strut from the scribing template, marking the other point on the mounting surface of the low-position bracket, and connecting the two points to scribe the positioning line of the low-position bracket of the strut;
Further, taking the drawn longitudinal position line of the first strut as a reference, and offsetting along the positioning line of the low-position elbow plate of the strut to obtain the longitudinal position line of the strut adjacent to the longitudinal position line of the strut; the offset distance is the distance between the longitudinal position lines of two adjacent struts; the longitudinal position line of each strut is respectively and vertically crossed with the positioning line of the low-position toggle plate of the strut to form a cross line.
Furthermore, the scribing template comprises a plate body, wherein the plate body comprises two adjacent flat surfaces which are used for being attached to the adjacent bulkhead and the mounting surface of the low-position toggle plate respectively; the plate body is also provided with a mark of the position of the positioning line of the strut low-position toggle plate; when the lower bracket is used, two straight surfaces of the plate body are respectively attached to an adjacent bulkhead and a lower bracket mounting surface, and the mark of the position of the positioning line of the lower bracket of the strut is positioned on the lower bracket mounting surface.
Compared with the prior art, the mounting method has the advantages that the mounting method can ensure that the position relations of the three low-position toggle plates in each group are consistent, ensure the precision of the subsequent upright columns mounted on the three low-position toggle plates, and improve the ship construction quality.
Drawings
Fig. 1 is a schematic drawing of the positioning line of the strut low-position toggle plate in the invention.
Fig. 2 is a schematic drawing of the longitudinal position line of the strut in the present invention.
Fig. 3 is a schematic view of the low toggle positioning template of the present invention.
Figure 4 is a schematic view of the positioning of the low position toggle plate in the present invention.
In the figure, 1, a low-position toggle plate positioning template; 2. positioning an opening of the template; 3. a low toggle plate positioning opening; 4. a circular hole; 5. a low-position toggle plate mounting surface; 6. a low-position toggle plate; 7. an adjacent bulkhead; 8. marking a template; 9. a strut longitudinal position line; 10. the strut low-position toggle plate is provided with a positioning line.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
a method for accurately installing a low-position toggle plate of a liquid cargo tank of a containment system comprises the following steps:
step 1, marking a low-position toggle plate positioning cross line on a low-position toggle plate mounting surface;
step 2, placing a low-position toggle plate positioning template 1 at the position of the cross line, wherein the low-position toggle plate positioning template comprises a square plate body, template positioning openings 2 in the shape of a right triangle are respectively arranged in the centers of four sides of the square plate body, one straight edge of each template positioning opening 2 is superposed with the central line of the square plate body, and a low-position toggle plate positioning opening 3 is arranged at the corresponding position of the low-position toggle plate positioning template 1 corresponding to the low-position toggle plate; the center of the low-position toggle plate positioning template 1 is also provided with a round hole 4 for checking whether the low-position toggle plate positioning template is aligned with the center of the cross line; the straight sides of the four template positioning openings 2 of the low-position toggle plate positioning template are superposed and aligned with the cross line; then, drawing a contour line of the low-position toggle plate positioning opening on a low-position toggle plate mounting surface 5 along the low-position toggle plate positioning opening 3; the positioning opening of the low-position toggle plate is in a right-angled triangle shape.
and 4, welding the low-position toggle plate 6 to finish welding.
When drawing a low-position elbow plate positioning cross line, the method comprises the following steps:
step 1, arranging the adjacent bulkhead 7 to intersect with the low-position toggle plate mounting surface 5 at a position adjacent to the bulkhead 7 with the low-position toggle plate mounting surface 5, as shown in figures 1-2;
step 2, placing a marking template 8 at the intersection position of the adjacent bulkhead and the low-position toggle plate mounting surface, wherein the marking template 8 comprises a plate body, the plate body comprises two adjacent flat surfaces, and the two flat surfaces are respectively used for being attached to the adjacent bulkhead and the low-position toggle plate mounting surface; the plate body is also provided with a mark of the position of the positioning line of the strut low-position toggle plate; when in use, two straight surfaces of the plate body are respectively abutted against the adjacent bulkhead 7 and the low-position toggle plate mounting surface 5, and the mark of the position of the low-position toggle plate positioning line of the strut is positioned on the low-position toggle plate mounting surface.
Moving the scribing template 8, determining another point on the positioning line of the low-position bracket of the strut from the scribing template, marking the other point on the mounting surface of the low-position bracket, and connecting the two points to scribe a positioning line 10 of the low-position bracket of the strut;
And taking the longitudinal position line 9 of the support closest to the central line R2 as a reference, deviating 1245.4mm along the positioning line of the low-position elbow plate of the support to obtain a second longitudinal position line 9 of the support, wherein the distance between the longitudinal position lines of two adjacent supports is a fixed value of 1245.4mm, the second longitudinal position line of the support is vertically crossed with the positioning line of the low-position elbow plate of the support to obtain a second cross line, drawing the other longitudinal position lines according to the method, and each longitudinal position line 9 of the support is respectively vertically crossed with the positioning line 10 of the low-position elbow plate of the support to form the cross line.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (6)
1. A method for accurately installing a low-position toggle plate of a liquid cargo tank of a containment system is characterized by comprising the following steps of:
step 1, marking a low-position toggle plate positioning cross line on a low-position toggle plate mounting surface;
step 2, placing a low-position toggle plate positioning template at the position of the cross line, wherein the low-position toggle plate positioning template comprises a square plate body, the centers of four sides of the square plate body are respectively provided with a template positioning opening in a right-angled triangle shape, one straight edge of the template positioning opening is superposed with the central line of the square plate body, and a low-position toggle plate positioning opening is arranged at the opposite position of the template corresponding to the low-position toggle plate; the straight sides of the four template positioning openings of the low-position toggle plate positioning template are superposed and aligned with the cross line; then, drawing a contour line of the low-position toggle plate positioning opening on the low-position toggle plate mounting surface along the low-position toggle plate positioning opening;
step 3, positioning three low-position toggle plates according to the contour line of the low-position toggle plate positioning opening scribed on the low-position toggle plate mounting surface, and performing spot welding fixing on the low-position toggle plates;
and 4, welding the low-position toggle plate to finish welding.
2. The method of claim 1, wherein the lower bracket positioning opening is in the shape of a right triangle, and the relative positions of the three lower brackets are determined by aligning one corner of the positioning bracket with the right-angled contour of the lower bracket positioning opening.
3. The method of claim 1, wherein the lower bracket is further provided with a circular hole at a center thereof for checking alignment of the lower bracket with the center of the cross line.
4. The method for accurately installing the low-position toggle plate of the liquid cargo tank of the containment system according to claim 1, wherein the step of drawing the low-position toggle plate positioning cross line comprises the following steps:
step 1, arranging adjacent bulkheads and a low-position toggle plate mounting surface in an intersecting manner at bulkhead positions adjacent to the low-position toggle plate mounting surface;
step 2, placing a scribing template at the intersection position of the adjacent bulkhead and the mounting surface of the low-position toggle plate, placing the scribing template in a manner of being attached to the adjacent bulkhead and the mounting surface of the low-position toggle plate, determining a point on a positioning line of the low-position toggle plate of the strut from the scribing template, and marking the point on the mounting surface of the low-position toggle plate; moving the scribing template, determining another point on the positioning line of the low-position bracket of the strut from the scribing template, marking the other point on the mounting surface of the low-position bracket, and connecting the two points to scribe the positioning line of the low-position bracket of the strut;
step 3, drawing a center line of the mounting surface of the low-position toggle plate, and extending the center line to the intersection position of the adjacent bulkhead and the mounting surface of the low-position toggle plate to obtain a point O; drawing a vertical line along the O vertical to the positioning line of the low-position toggle plate of the strut, moving the vertical line to a longitudinal position line of the strut in the stern direction, wherein the moving distance is the distance between the longitudinal position line of the strut and the central line of the mounting surface of the low-position toggle plate.
5. A method of installing a low-level bracket of a cargo tank of a containment system according to claim 4, wherein the first leg longitudinal position line is shifted along the leg low-level bracket positioning line based on the first leg longitudinal position line as a reference to obtain a leg longitudinal position line adjacent to the first leg longitudinal position line; the offset distance is the distance between the longitudinal position lines of two adjacent struts; the longitudinal position line of each strut is respectively and vertically crossed with the positioning line of the low-position toggle plate of the strut to form a cross line.
6. A method of accurately installing a low-level bracket for a cargo tank of a containment system according to claim 4, wherein the lining form comprises a plate body including two adjacent flat surfaces for abutting against the adjacent bulkhead and the low-level bracket mounting surface, respectively; the plate body is also provided with a mark of the position of a positioning line of the strut low-position toggle plate; when the lower bracket is used, two straight surfaces of the plate body are respectively attached to an adjacent bulkhead and a lower bracket mounting surface, and the mark of the position of the positioning line of the lower bracket of the strut is positioned on the lower bracket mounting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440931.XA CN113978658A (en) | 2021-11-30 | 2021-11-30 | Method for accurately installing low-position toggle plate of liquid cargo tank of containment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111440931.XA CN113978658A (en) | 2021-11-30 | 2021-11-30 | Method for accurately installing low-position toggle plate of liquid cargo tank of containment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113978658A true CN113978658A (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111440931.XA Pending CN113978658A (en) | 2021-11-30 | 2021-11-30 | Method for accurately installing low-position toggle plate of liquid cargo tank of containment system |
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Citations (7)
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|---|---|---|---|---|
| CN107378903A (en) * | 2017-07-28 | 2017-11-24 | 广船国际有限公司 | A kind of docking block marking-off plate |
| CN109094723A (en) * | 2018-09-28 | 2018-12-28 | 中船黄埔文冲船舶有限公司 | A kind of hawse-pipe and anchor station fabrication and installation method |
| CN109367693A (en) * | 2018-10-25 | 2019-02-22 | 上海船舶工艺研究所(中国船舶工业集团公司第十研究所) | A kind of large scale equipment pedestal peculiar to vessel without surplus installation method |
| CN112319727A (en) * | 2020-11-12 | 2021-02-05 | 江苏新时代造船有限公司 | Positioning method of energy-saving flow guide device for ship |
| WO2021022664A1 (en) * | 2019-08-06 | 2021-02-11 | 招商局重工(深圳)有限公司 | Positioning steel pile welding process of cutter suction dredger |
| CN112357007A (en) * | 2020-11-19 | 2021-02-12 | 江南造船(集团)有限责任公司 | Installation method of electromagnetic compass measuring unit |
| CN112357006A (en) * | 2020-11-19 | 2021-02-12 | 江南造船(集团)有限责任公司 | Installation method of main compass |
-
2021
- 2021-11-30 CN CN202111440931.XA patent/CN113978658A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378903A (en) * | 2017-07-28 | 2017-11-24 | 广船国际有限公司 | A kind of docking block marking-off plate |
| CN109094723A (en) * | 2018-09-28 | 2018-12-28 | 中船黄埔文冲船舶有限公司 | A kind of hawse-pipe and anchor station fabrication and installation method |
| CN109367693A (en) * | 2018-10-25 | 2019-02-22 | 上海船舶工艺研究所(中国船舶工业集团公司第十研究所) | A kind of large scale equipment pedestal peculiar to vessel without surplus installation method |
| WO2021022664A1 (en) * | 2019-08-06 | 2021-02-11 | 招商局重工(深圳)有限公司 | Positioning steel pile welding process of cutter suction dredger |
| CN112319727A (en) * | 2020-11-12 | 2021-02-05 | 江苏新时代造船有限公司 | Positioning method of energy-saving flow guide device for ship |
| CN112357007A (en) * | 2020-11-19 | 2021-02-12 | 江南造船(集团)有限责任公司 | Installation method of electromagnetic compass measuring unit |
| CN112357006A (en) * | 2020-11-19 | 2021-02-12 | 江南造船(集团)有限责任公司 | Installation method of main compass |
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