CN113879482A - Sectional carrying synchronous positioning method for lifting fin supporting plate - Google Patents
Sectional carrying synchronous positioning method for lifting fin supporting plate Download PDFInfo
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- CN113879482A CN113879482A CN202111280407.0A CN202111280407A CN113879482A CN 113879482 A CN113879482 A CN 113879482A CN 202111280407 A CN202111280407 A CN 202111280407A CN 113879482 A CN113879482 A CN 113879482A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 title abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000011161 development Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 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
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a sectional carrying synchronous positioning method for a lifting fin supporting plate, which comprises the following steps: firstly, mounting the bottommost section of the lifting fin on a slipway, ensuring that a ship body is in a horizontal position, and checking and aligning a ship body base line; carrying the trunk in sections from bottom to top according to layers, arranging a plurality of layers of supporting plates on the bulkhead of the trunk from bottom to top, and positioning the second layer of supporting plates by taking the upper surface of the outer plate of the midship as a datum point; thirdly, positioning and mounting the supporting plates from bottom to top by taking the upper surface of the supporting plate on the second layer as a reference surface from the third layer of the bottom layer of the surrounding well, correspondingly and sequentially carrying the surrounding well, and completing positioning of all the supporting plates to realize carrying and positioning mounting; placing the guide rail in the surrounding well, fixing the guide rail by using a tool, performing lap welding on the lower end of the guide rail and the support plate, and connecting the upper end of the guide rail and the support plate through bolts to finish the installation of the guide rail; and fifthly, positioning and mounting the support plate of the first layer. The building method shortens the building period of the slipway, reduces the construction difficulty and improves the installation precision.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a segmented carrying and synchronous positioning method for a lifting fin supporting plate.
Background
The ocean is one of the main stratigraphic circles of the earth system, whose role in global changes is today in the leading and core areas of research in oceanographic and geoscience. With the deep development of exploration and development research of marine resources in China in recent years, more and more marine science research ships are loaded with advanced investigation and observation instruments to carry out large-scale long-term marine observation, and can provide important data support and accumulation for marine scientific development, marine equity maintenance, marine environment protection, marine disaster forecast and early warning, marine resource development and national long-term strategic development in China. The elevating fin is taken as a special device which can carry the scientific instrument to carry out underwater analysis and research.
Generally, the installation of the elevating fin is formally started after the whole carrying of the surrounding well 1 is completed, the whole process from the positioning of the elevating fin support plate to the installation of the guide rail 3 and the entering of the elevating fin into the cabin requires 1 to 2 months, and the installation progress of the elevating fin affects the carrying of the ship body section above the surrounding well 1, thereby affecting the whole building period of the ship berth. After the surrounding well 1 is carried, the ship body is basically formed, various operations on the ship are complex, the surrounding environment is severe, and the construction difficulty is increased.
Disclosure of Invention
The purpose of the invention is: the sectional carrying synchronous positioning method for the lifting fin supporting plate can solve the problems of long construction period and low installation precision.
In order to solve the technical problem, the invention provides a sectional carrying and synchronous positioning method for a lifting fin supporting plate.
A synchronous positioning method for sectional carrying of a lifting fin supporting plate comprises the following steps:
firstly, mounting the bottommost section of the lifting fin on a slipway, ensuring that a ship body is in a horizontal position, and checking and aligning a ship body base line;
carrying the trunk according to the layers in a segmented manner from bottom to top, arranging a plurality of layers of supporting plates on the bulkhead of the trunk from bottom to top, positioning the second layer of supporting plates by taking the upper surface of the midship outer plate as a datum point, wherein each layer of supporting plate comprises a plurality of supporting plates, and positioning and scribing the supporting plates of other layers by taking the upper surface of the second layer of supporting plate as a datum plane;
thirdly, positioning and mounting the supporting plate from bottom to top according to the positioning datum plane of the supporting plate from the third layer of the bottom layer of the surrounding well, and correspondingly and sequentially carrying the upper layer of the surrounding well, wherein when the surrounding well is completely carried, all the supporting plates are positioned, so that carrying and positioning mounting are realized;
placing the guide rail in the surrounding well, fixing the guide rail by using a tool, performing lap welding on the lower end of the guide rail and the support plate, and connecting the upper end of the guide rail and the support plate through bolts to finish the installation of the guide rail;
and fifthly, positioning and mounting the support plate of the first layer.
In a preferred embodiment of the present invention, in the second step, the support plates include twenty-three layers, each layer includes three support plates, one of which is located on the back wall of the trunk, and two of which are located on the front wall of the trunk.
In the third step, the support plates of the third layer to the sixth layer and the support plates of the second layer are positioned in the same layer of the surrounding well, 10mm cutting allowance is reserved when the support plates of the second layer to the sixth layer are prefabricated, and 50mm cutting allowance is reserved when the support plates of the seventh layer to the twenty-third layer are prefabricated.
In a preferred embodiment of the present invention, in the fourth step, in the step of sequentially carrying the surrounding wells, the carrying precision of the segments, in particular, the carrying precision of the region where the fin surrounding well is located, is controlled.
In the third step, the perpendicularity of the support plates on the same side is determined by the stay wires when the support plates on each layer are positioned.
In the third step, a horizontal pipe mode or other measuring tools are adopted to ensure that the supporting plates at the same height in each layer are at the same height in the surrounding well, then a distance keeping tool is used between the supporting plates to ensure the relative distance between the supporting plates, the positions of the supporting plates are positioned, after the positions of the supporting plates are determined, the welding of the supporting plates is carried out, and the supporting plates are continuously fillet-welded on the wall of the surrounding well along the boundary.
As a preferred scheme of the invention, in the fourth step, after the welding of the guide rail is completed, the tool or the pull wire is used for rechecking.
Compared with the prior art, the sectional carrying synchronous positioning method for the lifting fin supporting plate has the beneficial effects that: the positioning and installation can be started during the carrying period, the installation is not required to be started after the whole carrying of the surrounding well is completed, the building period of the shipway is shortened, compared with the traditional installation mode, the method reduces the construction difficulty and improves the installation precision.
Drawings
FIG. 1 is a schematic illustration of an installation of a guide support plate of a fin guide of an embodiment of the present invention;
FIG. 2 is a layout view of a guide plate of the present invention taken in cross-section at A-A of FIG. 1;
FIG. 3 is a schematic illustration of a lifter fin installation of an embodiment of the present invention;
fig. 4 is a three-dimensional schematic view of a lifter fin guide support plate of an embodiment of the present invention.
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 "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; 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.
In the description of the present invention, it is to be further 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 being 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.
Referring to fig. 1 to 4, a sectional carrying and synchronous positioning method for a supporting plate of a lifting fin according to an embodiment of the present invention includes the steps of:
firstly, mounting the bottommost section of the lifting fin on a slipway, ensuring that a ship body is in a horizontal position, and checking and aligning a ship body base line;
carrying the trunk 1 in sections from bottom to top according to layers, arranging a plurality of layers of support plates 2 on the bulkhead of the trunk 1 from bottom to top, positioning the second layer of support plates 2 from bottom to top by taking the upper surface of an FR85 midship outer plate as a reference point, wherein each layer of support plate 2 comprises a plurality of support plates 2 (see figure 2), determining the reference surface, and positioning and scribing the support plates 2 of other layers by taking the upper surface of the support plate 2 of the second layer as the reference surface;
thirdly, starting from the third layer at the bottom of the enclosure well 1, positioning and installing the support plates 2 of the other layers from #3 to #6 from bottom to top according to the positioning reference surfaces of the support plates 2, correspondingly and sequentially carrying the upper subsections of the second layer to the fifth layer of the enclosure well 1, positioning and installing the support plates 2 from #7 to #23 according to the positioning reference surfaces of the support plates 2, and completing positioning and installing of all the support plates 2 when the enclosure well 1 is completely carried, so that carrying and positioning and installing are realized;
placing a guide rail 3 in the surrounding well 1, fixing the guide rail 3 by using tooling to prevent the guide rail 3 from generating torsional deformation in the welding process, carrying out lap welding on a toggle plate at the lower end of the guide rail 3 and a horizontal supporting plate 2 in the surrounding well 1, and connecting the toggle plate at the upper end of the guide rail 3 with the #20 to #23 supporting plate 2 through bolts to finish the installation of the guide rail 3;
and fifthly, positioning and installing the support plate 2 for the guide rail 3 on the first layer.
Referring to fig. 1-4, in the second step, exemplarily, the support plates 2 include twenty three layers, which are the support plates 2 labeled #1 to #23, each layer includes three support plates 2, one of which is located at the rear wall of the well 1 and two of which are located at the front wall of the well 1, and the positioning datum plane of the support plate 2 is the only datum plane for positioning the support plates 2 #3 to #23, and the support plates 2 #3 to #23 are not positioned with the upper surfaces of the adjacent support plates 2 as the positioning datum planes.
Referring to fig. 1 to 4, exemplarily, in the third step, the support plates 2 of the third layer to the sixth layer of #3 to #6 and the support plates 2 of the second layer of #2 are located in the same layer of the trunk 1, the cutting margin of 10mm is reserved when the support plates 2 of the second layer to the sixth layer of #2 to #6 are prefabricated, the support plates 2 of the #7 to #23 and the support plates 2 of the #2 are not in the same segment, and the cutting margin of 50mm is reserved when the support plates 2 of the seventh layer to the twenty-third layer of #7 to #23 are prefabricated.
Referring to fig. 1-4, exemplarily, in the fourth step, in the process of sequentially carrying the second to fifth stages of the trunk 1, the carrying precision of the segments, especially the carrying precision of the region where the fin trunk 1 is located, is controlled.
Referring to fig. 1-4, in the third step, for example, the perpendicularity of the support plates 2 on the same side is determined by pulling wires when the support plates 2 of each layer are positioned, and the rest of the support plates 2 are cut off.
Referring to fig. 1-4, exemplarily, in the third step, the support plates 2 at the same height in each layer are ensured to be at the same height in one circle of the surrounding well 1 by adopting a horizontal pipe mode or other measuring tools, then a distance-keeping tool is used between the support plates 2 to ensure the relative distance between the support plates 2, the distance-keeping tool is a steel pipe or an angle steel, the position of the support plate 2 is positioned, after the position of the support plate 2 is determined, the support plates 2 are welded, and the support plates 2 are continuously fillet-welded on the bulkhead of the surrounding well 1 along the boundary.
Referring to fig. 1-4, in the fourth step, after the welding of the guide rail 3 is completed, the installation correctness of the guide rail 3 is ensured by performing a recheck using a tool or a pull wire.
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. A method for carrying and synchronously positioning a lifting fin supporting plate in a segmented mode is characterized by comprising the following steps: the method comprises the following steps:
firstly, mounting the bottommost section of the lifting fin on a slipway, ensuring that a ship body is in a horizontal position, and checking and aligning a ship body base line;
carrying the trunk according to the layers in a segmented manner from bottom to top, arranging a plurality of layers of supporting plates on the bulkhead of the trunk from bottom to top, positioning the second layer of supporting plates by taking the upper surface of the midship outer plate as a datum point, wherein each layer of supporting plate comprises a plurality of supporting plates, and positioning and scribing the supporting plates of other layers by taking the upper surface of the second layer of supporting plate as a datum plane;
thirdly, positioning and mounting the supporting plate from bottom to top according to the positioning datum plane of the supporting plate from the third layer of the bottom layer of the surrounding well, and correspondingly and sequentially carrying the upper layer of the surrounding well, wherein when the surrounding well is completely carried, all the supporting plates are positioned, so that carrying and positioning mounting are realized;
placing the guide rail in the surrounding well, fixing the guide rail by using a tool, performing lap welding on the lower end of the guide rail and the support plate, and connecting the upper end of the guide rail and the support plate through bolts to finish the installation of the guide rail;
and fifthly, positioning and mounting the support plate of the first layer.
2. The method for synchronously positioning the sectional carrying of the lifter fin supporting plate according to claim 1, wherein the method comprises the following steps: in the second step, the supporting plates comprise twenty three layers, each layer comprises three supporting plates, one supporting plate is positioned on the back wall of the surrounding well, and the other supporting plate is positioned on the front wall of the surrounding well.
3. The method for synchronously positioning the sectional carrying of the lifter fin supporting plate according to claim 1, wherein the method comprises the following steps: in the third step, the supporting plates from the third layer to the sixth layer and the supporting plates from the second layer are positioned in the same layer of the surrounding well, 10mm cutting allowance is reserved when the supporting plates from the second layer to the sixth layer are prefabricated, and 50mm cutting allowance is reserved when the supporting plates from the seventh layer to the twenty-third layer are prefabricated.
4. The method for synchronously positioning the sectional carrying of the lifter fin supporting plate according to claim 1, wherein the method comprises the following steps: and in the fourth step, the sectional carrying precision, particularly the carrying precision of the region where the lift fin surrounding well is located, is controlled in the sectional process of carrying the surrounding well in sequence.
5. The method for synchronously positioning the sectional carrying of the lifter fin supporting plate according to any one of claims 1 to 4, wherein: and in the third step, the perpendicularity of the supporting plates on the same side is determined by the stay wires when the supporting plates on each layer are positioned.
6. The method for synchronously positioning the sectional carrying of the lifter fin supporting plate according to any one of claims 1 to 4, wherein: in the third step, the supporting plates at the same height of each layer are ensured to be at the same height in the surrounding well by adopting a horizontal pipe mode or other measuring tools, then a distance keeping tool is used between the supporting plates to ensure the relative distance of the supporting plates, the positions of the supporting plates are positioned, after the positions of the supporting plates are determined, the welding of the supporting plates is carried out, and the supporting plates are continuously fillet-welded on the wall of the surrounding well along the boundary.
7. The method for synchronously positioning the sectional carrying of the lifter fin supporting plate according to any one of claims 1 to 4, wherein: and in the fourth step, after the guide rail is welded, rechecking by using a tool or a stay wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280407.0A CN113879482B (en) | 2021-10-29 | 2021-10-29 | Sectional carrying and synchronous positioning method for lifting fin support plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280407.0A CN113879482B (en) | 2021-10-29 | 2021-10-29 | Sectional carrying and synchronous positioning method for lifting fin support plate |
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| CN113879482A true CN113879482A (en) | 2022-01-04 |
| CN113879482B CN113879482B (en) | 2023-12-26 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0189154A1 (en) * | 1985-01-22 | 1986-07-30 | Fritz Dipl.-Kfm. Marggraff | Boat with retractable keel |
| CN102001428A (en) * | 2010-11-12 | 2011-04-06 | 武汉理工大学 | Fin lifting system of comprehensive marine science research ship |
| CN105383642A (en) * | 2015-09-30 | 2016-03-09 | 武昌船舶重工集团有限公司 | Vertical guide rail mounting and welding method |
| CN107323609A (en) * | 2017-06-28 | 2017-11-07 | 广船国际有限公司 | A kind of flipper block method of construction |
| CN108189975A (en) * | 2017-12-22 | 2018-06-22 | 国家海洋局第海洋研究所 | A kind of scientific surveying ship with lifting fin system |
| CN110001866A (en) * | 2019-03-15 | 2019-07-12 | 沪东中华造船(集团)有限公司 | A kind of installation and detection method of flipper guide rail |
| CN110182299A (en) * | 2019-04-15 | 2019-08-30 | 沪东中华造船(集团)有限公司 | A kind of accuracy control method of hull flipper guide rail location and installation |
| CN112428194A (en) * | 2020-10-23 | 2021-03-02 | 中船黄埔文冲船舶有限公司 | Auxiliary tool for mounting lifting fin |
-
2021
- 2021-10-29 CN CN202111280407.0A patent/CN113879482B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0189154A1 (en) * | 1985-01-22 | 1986-07-30 | Fritz Dipl.-Kfm. Marggraff | Boat with retractable keel |
| CN102001428A (en) * | 2010-11-12 | 2011-04-06 | 武汉理工大学 | Fin lifting system of comprehensive marine science research ship |
| CN105383642A (en) * | 2015-09-30 | 2016-03-09 | 武昌船舶重工集团有限公司 | Vertical guide rail mounting and welding method |
| CN107323609A (en) * | 2017-06-28 | 2017-11-07 | 广船国际有限公司 | A kind of flipper block method of construction |
| CN108189975A (en) * | 2017-12-22 | 2018-06-22 | 国家海洋局第海洋研究所 | A kind of scientific surveying ship with lifting fin system |
| CN110001866A (en) * | 2019-03-15 | 2019-07-12 | 沪东中华造船(集团)有限公司 | A kind of installation and detection method of flipper guide rail |
| CN110182299A (en) * | 2019-04-15 | 2019-08-30 | 沪东中华造船(集团)有限公司 | A kind of accuracy control method of hull flipper guide rail location and installation |
| CN112428194A (en) * | 2020-10-23 | 2021-03-02 | 中船黄埔文冲船舶有限公司 | Auxiliary tool for mounting lifting fin |
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| CN113879482B (en) | 2023-12-26 |
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