CN113734380A - Construction method for building middle-layer high positioning datum line by ship sections - Google Patents
Construction method for building middle-layer high positioning datum line by ship sections Download PDFInfo
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- CN113734380A CN113734380A CN202111127362.3A CN202111127362A CN113734380A CN 113734380 A CN113734380 A CN 113734380A CN 202111127362 A CN202111127362 A CN 202111127362A CN 113734380 A CN113734380 A CN 113734380A
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- 238000010276 construction Methods 0.000 title claims abstract description 57
- 238000004080 punching Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects 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
- B63B73/50—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by forming methods, e.g. manufacturing of curved blocks
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Abstract
The invention discloses a construction method for building a middle-layer high positioning datum line by ship sections, which specifically comprises the following steps: determining a layer height net size value between two adjacent layers of deck boards; determining a preset contour line value, and determining a construction value according to the layer height net size value and the preset contour line value; the construction of the segments is completed by adopting inverted operation, after the accuracy of the segments is determined to be qualified, the construction values are transferred to the upright posts and the enclosing walls on the inverted segments, wherein the construction values are measured vertically upwards on the upright posts by taking the deck theoretical line of the deck where the upright posts are located as a reference, the sample impact points are knocked out, the construction values are measured vertically upwards on the enclosing walls by taking the deck theoretical line of the deck where the enclosing walls are located as a reference, the sample impact points are knocked out, a plurality of groups of sample impact points are knocked out on the enclosing walls, and the adjacent sample impact points in each group are spaced by a first distance.
Description
Technical Field
The invention relates to a construction method for constructing a middle-level high positioning datum line by ship sections.
Background
In the existing ship construction, a contour line is used as a total assembly carrying layer height positioning reference in a section, the layer height of an upper section and a lower section is ensured, and the contour line is used as the carrying layer height reference after the accuracy of the welded total section is qualified. The construction precision of the contour line affects the precision of the ship body construction, and if the construction precision of the contour line is not good, the total section or the ship body can be reworked, so that a contour line construction method capable of ensuring the precision is needed.
Disclosure of Invention
The invention provides a construction method for building a middle-layer high positioning datum line by ship sections, which is beneficial to ensuring the building precision of a ship body.
The invention solves the technical problems through the following technical scheme:
a construction method for building a middle-level high positioning datum line by ship sections comprises the following steps:
s10, determining a layer height net size value between two adjacent layers of deck boards;
s20, determining a preset contour line value, and determining a construction value according to the layer height net size value and the preset contour line value;
s30, finishing construction of the segments by adopting an inverted operation, and after determining that the accuracy of the segments is qualified, transferring the construction values to the upright posts and the enclosing walls on the inverted segments, wherein the construction values are measured vertically upwards on the upright posts by taking the deck theoretical line of the deck where the upright posts are located as a reference, and knocking out sample punching points, the construction values are measured vertically upwards on the enclosing walls by taking the deck theoretical line of the deck where the enclosing walls are located as a reference, and knocking out multiple groups of sample punching points on the enclosing walls, and adjacent sample punching points in each group are separated by a first distance.
Preferably, the layer height net gauge is the distance from the lower surface of the upper deck to the upper surface of the lower deck.
Preferably, the predetermined contour value is 1.5 meters or 2 meters.
Preferably, in step S20, the construction value is a difference obtained by subtracting the preset contour value from the layer height net size value.
Preferably, in step S30, for a wall with a length less than or equal to 2 meters, a set of sample impact points is knocked out at two ends of the wall, and for a wall with a length greater than 2 meters, a set of sample impact points is knocked out every 2 meters.
Preferably, in step S30, the first pitch is 30 mm.
Preferably, in step S30, there are 3 punching points arranged at equal intervals in each group of punching points.
Preferably, in step S30, for the bounding wall with a thickness of 6mm or less, the depth of the stamping point is in a closed interval of 0.8mm to 1mm, for the bounding wall with a thickness of 6mm or more and 12mm or less, the depth of the stamping point is in a closed interval of 1.2mm to 1.5mm, and for the bounding wall with a thickness of 12mm or more, the depth of the stamping point is in a closed interval of 1.5mm to 2 mm.
Preferably, the following steps are further included after step S30:
and S40, attaching adhesive tapes to the sample punching points for protection.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the invention provides a construction method for building a middle-layer high positioning datum line by ship sections, which can ensure the precision of a climbing line and is beneficial to improving the building precision of a ship body.
Drawings
Fig. 1 is a flowchart of a construction method for building a middle-height positioning reference line by ship sections according to an embodiment of the present invention.
Fig. 2 is a first schematic diagram illustrating a first method for constructing a floor height positioning reference line according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a construction method of a floor height positioning reference line in an embodiment of the invention.
Fig. 4 is a schematic diagram of a construction method of a floor height positioning reference line in an embodiment of the present invention.
Description of reference numerals:
Surrounding wall 3
Sample punching point 4
Detailed Description
The present invention is further illustrated by the following examples, but is not limited thereby in the scope of the examples described below.
Please refer to fig. 1-4 for understanding. The embodiment of the invention provides a construction method for constructing a middle-layer height positioning datum line in ship subsection construction, and fig. 2 and 3 are illustrated by taking a construction method for the middle-layer height positioning datum line of a stand column 2 as an example so as to explain the working construction principle, wherein fig. 2 shows the subsection under normal conditions, a part of a lower deck 1 is enlarged in the drawing so as to show that a layer height net size value does not include deck thickness, and fig. 3 shows the subsection under an inverted state. Fig. 4 shows a construction method of the floor height positioning reference line of the surrounding wall 3, in which the sample punching points 4 are partially enlarged to show the arrangement state of the sample punching points 4.
The construction method of the floor height positioning datum line comprises the following steps:
s10, determining the net layer height value between two adjacent layers of plates; the layer height net gauge is the distance from the lower surface of the upper deck to the upper surface of the lower deck 1. And measuring the net size value of the layer height.
S20, determining a preset contour line value, and determining a construction value according to the layer height net size value and the preset contour line value; the preset contour value is 1.5 meters or 2 meters, and can be preset according to the size of the ship body. The construction value is the difference value obtained by subtracting the preset contour line value from the layer height net size value.
S30, knocking out sample punching points 4: the construction of the subsection is completed by adopting the inverted operation, after the precision of the subsection is determined to be qualified, the construction value is transferred to the upright post 2 and the enclosing wall 3 on the inverted subsection, wherein the construction value is measured vertically upwards on the upright post by taking the theoretical line of the deck surface of the deck where the upright post is located as a reference, the sample punching point 4 is knocked out, the construction value is measured vertically upwards on the enclosing wall 3 by taking the theoretical line of the deck surface of the deck where the enclosing wall is located as a reference, the sample punching points 4 are knocked out, a plurality of groups of sample punching points 4 are knocked out on the enclosing wall 3, and the adjacent sample punching points 4 in each group are separated by a first distance d, in the embodiment, each group has 3 sample punching points 4 arranged at equal intervals, and the first distance d is 30 mm.
And S40, sticking an adhesive tape on the sample punching point 4 for protection, thereby preventing the sample punching point 4 from being damaged in the ship body building process.
In step S30, one set of each impact point 4 is knocked out at both ends of the enclosure wall 3 for enclosure walls 3 having a length of 2m or less, and one set of impact points 4 is knocked out every 2m for enclosure walls 3 having a length of more than 2 m.
The depth of the stamping point 4 is determined according to the thickness of the plate, in step S30, the depth of the stamping point 4 is in a closed interval of 0.8mm to 1mm for the surrounding wall 3 with the plate thickness of less than or equal to 6mm, the depth of the stamping point 4 is in a closed interval of 1.2mm to 1.5mm for the surrounding wall 3 with the plate thickness of more than 6mm and less than or equal to 12mm, and the depth of the stamping point 4 is in a closed interval of 1.5mm to 2mm for the surrounding wall 3 with the plate thickness of more than 12 mm.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (9)
1. A construction method for building a middle-level high positioning datum line by ship sections is characterized by comprising the following steps:
s10, determining a layer height net size value between two adjacent layers of deck boards;
s20, determining a preset contour line value, and determining a construction value according to the layer height net size value and the preset contour line value;
s30, finishing construction of the segments by adopting an inverted operation, and after determining that the accuracy of the segments is qualified, transferring the construction values to the upright posts and the enclosing walls on the inverted segments, wherein the construction values are measured vertically upwards on the upright posts by taking the deck theoretical line of the deck where the upright posts are located as a reference, and knocking out sample punching points, the construction values are measured vertically upwards on the enclosing walls by taking the deck theoretical line of the deck where the enclosing walls are located as a reference, and knocking out multiple groups of sample punching points on the enclosing walls, and adjacent sample punching points in each group are separated by a first distance.
2. The construction method for building the middle-story height positioning reference line according to claim 1, wherein the net-height value is a distance from a lower surface of the upper-story deck to an upper surface of the lower-story deck.
3. The construction method of the middle-rise positioning reference line in the ship segment construction according to claim 1, wherein the preset contour value is 1.5m or 2 m.
4. The method as claimed in claim 1, wherein the construction value is a difference obtained by subtracting the preset contour value from the net floor height in step S20.
5. The method for constructing a middle-height positioning reference line in ship segment construction according to claim 1, wherein in step S30, for a trunk wall with a length of 2m or less, a set of punching points is punched out at both ends of the trunk wall, and for a trunk wall with a length of more than 2m, a set of punching points is punched out every 2 m.
6. The construction method of a middle story height positioning reference line in the sectional construction of ships according to claim 1, wherein the first interval is 30mm in step S30.
7. The construction method for the middle-story height positioning reference line in the segmental construction of ships according to claim 1, wherein in step S30, there are 3 punching points arranged at equal intervals in each group of punching points.
8. The construction method of the middle story height positioning reference line in ship segment construction as claimed in claim 1, wherein in step S30, for the perimeter wall with a plate thickness of 6mm or less, the depth of the piercing point is in the closed interval of 0.8mm to 1mm, for the perimeter wall with a plate thickness of 6mm or more and 12mm or less, the depth of the piercing point is in the closed interval of 1.2mm to 1.5mm, and for the perimeter wall with a plate thickness of 12mm or more, the depth of the piercing point is in the closed interval of 1.5mm to 2 mm.
9. The construction method of the middle story height positioning reference line in ship segment construction according to claim 1, further comprising the following steps after step S30:
and S40, attaching adhesive tapes to the sample punching points for protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111127362.3A CN113734380A (en) | 2021-09-18 | 2021-09-18 | Construction method for building middle-layer high positioning datum line by ship sections |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111127362.3A CN113734380A (en) | 2021-09-18 | 2021-09-18 | Construction method for building middle-layer high positioning datum line by ship sections |
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| CN113734380A true CN113734380A (en) | 2021-12-03 |
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| CN202111127362.3A Pending CN113734380A (en) | 2021-09-18 | 2021-09-18 | Construction method for building middle-layer high positioning datum line by ship sections |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264724A (en) * | 2017-05-15 | 2017-10-20 | 沪东中华造船(集团)有限公司 | It is used for the baseline design method that fitting-out piping is installed in the anti-state segmentation of cabin curved surface |
| CN107953969A (en) * | 2017-11-15 | 2018-04-24 | 广州文冲船厂有限责任公司 | A kind of pitch goods tank segment folding localization method |
| WO2020079089A1 (en) * | 2018-10-16 | 2020-04-23 | Flensburger Schiffbau-Gesellschaft Mbh & Co. Kg | Roll-on/roll-off ship with improved hull shape |
| 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 |
| CN111619756A (en) * | 2020-04-17 | 2020-09-04 | 沪东中华造船(集团)有限公司 | Method for controlling structural deformation and precision in LNG filling ship construction |
| CN112373648A (en) * | 2020-11-23 | 2021-02-19 | 上海外高桥造船有限公司 | Method for constructing cruise ship |
| CN113277031A (en) * | 2021-06-15 | 2021-08-20 | 江南造船(集团)有限责任公司 | Rapid building method for lower water tank section of ship |
-
2021
- 2021-09-18 CN CN202111127362.3A patent/CN113734380A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264724A (en) * | 2017-05-15 | 2017-10-20 | 沪东中华造船(集团)有限公司 | It is used for the baseline design method that fitting-out piping is installed in the anti-state segmentation of cabin curved surface |
| CN107953969A (en) * | 2017-11-15 | 2018-04-24 | 广州文冲船厂有限责任公司 | A kind of pitch goods tank segment folding localization method |
| WO2020079089A1 (en) * | 2018-10-16 | 2020-04-23 | Flensburger Schiffbau-Gesellschaft Mbh & Co. Kg | Roll-on/roll-off ship with improved hull shape |
| 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 |
| CN111619756A (en) * | 2020-04-17 | 2020-09-04 | 沪东中华造船(集团)有限公司 | Method for controlling structural deformation and precision in LNG filling ship construction |
| CN112373648A (en) * | 2020-11-23 | 2021-02-19 | 上海外高桥造船有限公司 | Method for constructing cruise ship |
| CN113277031A (en) * | 2021-06-15 | 2021-08-20 | 江南造船(集团)有限责任公司 | Rapid building method for lower water tank section of ship |
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Application publication date: 20211203 |