CN115320803A - Large assembling and mounting method for curved outer plate of ship and ship - Google Patents
Large assembling and mounting method for curved outer plate of ship and ship Download PDFInfo
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- CN115320803A CN115320803A CN202210761250.1A CN202210761250A CN115320803A CN 115320803 A CN115320803 A CN 115320803A CN 202210761250 A CN202210761250 A CN 202210761250A CN 115320803 A CN115320803 A CN 115320803A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920004934 Dacron® Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000219109 Citrullus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003466 welding 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
-
- 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
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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Abstract
The application provides a large assembling and mounting method for a curved outer plate of a ship and the ship, wherein the method comprises the following steps: when the side-push upper section outer plates are assembled greatly, a fore-and-aft direction central line and a plurality of rib position lines are drawn on the bottom-supporting outer plates, so that the central line is superposed with the longitudinal girders in the ship body, and the plurality of rib position lines are superposed with the rib frames. And marking a first platform line at a transverse preset position of each edge outer plate, and marking a plurality of first rib bit lines longitudinally to enable the first platform lines of the edge outer plates to be flush, wherein the first rib bit lines of each edge outer plate are superposed with the rib frame. And (3) marking out second platform lines at the transverse preset positions of the plurality of perforated outer plates of the lateral-pushing lower section outer plate, marking out a plurality of second rib bit lines in the longitudinal direction of each perforated outer plate, enabling the second platform lines of the plurality of perforated outer plates to be parallel and level, and enabling the plurality of second rib bit lines of each perforated outer plate to coincide with the rib frame. And reversely buckling the side-pushing upper sectional outer plate onto the side-pushing lower sectional outer plate.
Description
Technical Field
The application relates to the technical field of ship construction, in particular to a large assembly installation method for a curved outer plate of a ship and the ship.
Background
In order to improve the operability of the vessel, a side thruster is generally installed at the bow. Because the side thrusters need to be arranged through the ship body, the outer plate needs to be perforated after being assembled in a large scale in the process of constructing the ship outer plate.
At present, the operations of opening the outer plate of the bow part are as follows: design dacron paper according to the trompil size, pass through the magnet subsides with the dacron paper that designs and apply on the planking, according to dacron paper trompil line at the planking line of drawing a cut line of prospecting again, carry out the trompil according to the cut line to the planking at last. As the outer plates are assembled and built in a large scale, workers are required to ascend to attach the polyester paper, and the outer plates are cut by perforating at high altitude, so that the whole cutting process is difficult and the precision is not well controlled. Meanwhile, a large amount of outer plate allowance can be cut out in the hole opening process, and the outer plate allowance is required to be transported on site. The whole outer plate building process is complicated in steps, high in operation difficulty and low in production efficiency.
Disclosure of Invention
The embodiment of the application aims to provide a large-assembly installation method for a curved outer plate of a ship, which solves the problems of complicated steps, danger of climbing operation and low production efficiency in the existing outer plate construction process.
Another object of the embodiments of the present invention is to provide a ship which uses the method for assembling and installing a curved outer plate of a ship.
In a first aspect, a method for assembling and installing a curved outer plate of a ship in a large scale is provided, wherein a rib framework and a longitudinal girder are hoisted in the ship, the curved outer plate is attached to the rib framework and installed, and the method comprises the following steps:
pre-cutting an outer plate needing to be perforated into a plurality of curved outer plates, and forming the outer plates with the perforations after the plurality of curved outer plates are assembled in a large mode, wherein the perforations are used for arranging a side thruster; the plurality of curved outer plates are divided into side-push upper sectional outer plates and side-push lower sectional outer plates, wherein the side-push upper sectional outer plates comprise bottom-supporting outer plates and a plurality of edge outer plates, and the side-push lower sectional outer plates comprise a plurality of opening outer plates;
when the lateral pushing upper section outer plates are assembled greatly, firstly installing a bottom supporting outer plate, and drawing a fore-and-aft direction central line and a plurality of rib position lines on the bottom supporting outer plate, so that the fore-and-aft direction central line is superposed with a longitudinal girder in a ship body, and the plurality of rib position lines are superposed with a rib frame, thereby completing the installation of the bottom supporting outer plate; installing a plurality of outer edge outer plates, prospecting a first platform line at the transverse preset position of each edge outer plate, prospecting a plurality of first rib bit lines longitudinally, enabling the first platform lines of the plurality of edge outer plates to be parallel and level, and enabling the plurality of first rib bit lines of each edge outer plate to be superposed with the rib frame so as to finish the assembly of the lateral pushing upper section outer plate;
when the side-pushing lower section outer plate is assembled in a large mode, second platform lines are drawn at the transverse preset positions of a plurality of opening outer plates of the side-pushing lower section outer plate, and a plurality of second rib bit lines are drawn in the longitudinal direction of each opening outer plate; second platform lines of the plurality of the perforated outer plates are aligned, and a plurality of second rib bit lines of each perforated outer plate are superposed with the rib frame to complete lateral pushing of the large assembly of the partial section outer plates;
and reversely buckling the side-push upper section outer plate onto the side-push lower section outer plate, aligning the rib position number cabin wall plates of the two sections in the vertical direction, and controlling the height difference between the first platform line and the second platform line to be a theoretical value in the horizontal direction so as to finish the large assembly of the curve-shaped outer plate of the ship.
In one embodiment, the first plateau line and the plurality of first rib line are mapped on the side-push upper section outer plate and the second plateau line and the plurality of second rib line are mapped on the side-push lower section outer plate with a mapping accuracy of 1mm or less.
In one embodiment, after the assembly of the lateral pushing upper section outer plate is completed, the method further comprises the steps of establishing a lateral pushing upper section three-dimensional model, establishing a three-dimensional coordinate system in the three-dimensional model, collecting actual coordinates of a preset measuring point, and comparing the actual coordinates with theoretical coordinates in the three-dimensional model to control the assembly accuracy.
In one embodiment, the predetermined measurement points comprise:
the intersection point of the fore-aft center line of the side thrust upper section and the first rib position number bulkhead plate and the intersection point of the first platform line and the first rib position number bulkhead plate.
In one embodiment, the actual coordinates of the predetermined measurement point are acquired with a total station.
In one embodiment, after the lateral pushing lower section outer plate large assembly is installed, the lateral pushing device is hoisted and positioned, the lateral pushing device is aligned with the designated rib position number, the central line of the lateral pushing lower section is located in the central plane of the lateral pushing lower section, and the height difference between the central line of the lateral pushing lower section and the second platform line is within a theoretical value.
According to the second aspect of the present application, there is also provided a ship, comprising a plurality of curved outer plates, wherein the plurality of curved outer plates are installed by using the method for assembling and installing the curved outer plates of the ship according to any one of the embodiments of the first aspect.
The installation method for the large assembly of the curved outer plate of the ship has the following beneficial effects:
according to the invention, the outer plate is perforated in advance, the curve-shaped outer plate is installed in a positioning manner, the curve-shaped outer plate is scattered and hung in a non-allowance manner in the process of a sectional construction large-assembly production process, and the accurate positioning installation of the upper and lower layers of sectional general assembly and folding is realized to show the precision control effect. The invention simplifies the construction process, reduces the construction difficulty, reduces the climbing operation, controls the precision effect and the like, and comprehensively realizes the safe production and the improvement of the production efficiency by leading the sectional construction outer plate to move forwards without allowance.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic view of an installation of a side-pushing upper sectional outer panel according to an embodiment of the present application;
FIG. 2 is a schematic view illustrating an installation of a side-pushed partial-segment outer plate according to an embodiment of the present application;
FIG. 3 is a schematic view illustrating the installation of a large assembly of curved outer plates according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an open pore outer plate according to an embodiment of the present application.
100. Laterally pushing the upper sectional outer plate; 110. a bottom supporting outer plate; 120. a middle outer plate; 130. an edge outer plate; 131. an edge outer plate a; 132. an edge outer plate b; 133. an edge outer plate c; 134. an edge outer plate d; 140. a first rib position number bulkhead plate; 150. a first centerline; 200. laterally pushing the lower section outer plate; 210. opening a hole outer plate; 211. an open-hole outer plate a; 212. an opening outer plate b; 213. an opening outer plate c; 2131. a second rib bit line; 214. an opening outer plate d; 215. an opening outer plate e; 220. a second rib position number bulkhead plate; 230. a central plane; 231. a second centerline; 300. a jig frame; 310. a first plateau line; 320. a second platform line; 400. and a side pusher.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In a first aspect, the application provides a large-assembly installation method for a curved outer plate of a ship, wherein structures such as a rib framework, a longitudinal truss and parts of each part are hoisted in the outer plate, the curved outer plate is attached to the rib framework for installation, and the specific installation steps are as follows:
pre-cutting an outer plate needing to be perforated into a plurality of curve-shaped outer plates, and forming the outer plate with the perforations after the plurality of curve-shaped outer plates are assembled in a large mode, wherein the perforations are used for arranging the side thruster 400; the plurality of curved outer plates are divided into a side-push upper section outer plate 100 and a side-push lower section outer plate 200, wherein the side-push upper section outer plate 100 comprises a bottom-supporting outer plate 110, a middle outer plate 120 and a plurality of edge outer plates 130, and the side-push lower section outer plate 200 comprises a plurality of open-hole outer plates 210.
When the upper sectional outer plate 100 is pushed laterally to be assembled greatly, the bottom supporting outer plate 110 is firstly installed on the jig frame 300, a central line and a plurality of rib position lines are drawn on the bottom supporting outer plate 110, the central line is superposed with the middle longitudinal girder, and the plurality of rib position lines are superposed with the rib frame, so that the installation of the bottom supporting outer plate 110 is completed; and then, installing the middle outer plate 120 and the edge outer plates 130, marking a first platform line 310 at a transverse preset position of each edge outer plate 130, and marking a plurality of first rib bit lines longitudinally, wherein referring to fig. 1, the edge outer plates 130 comprise an edge outer plate a, an edge outer plate b, an edge outer plate c and an edge outer plate d. The first platform lines 310 of the edge outer plates 130 are aligned, and the first rib lines of each edge outer plate 130 are overlapped with the rib cage, so as to complete the large assembly of the side-push upper sectional outer plate 100. The upper section outer plate 100 is lifted to the corresponding position in sequence through side pushing, positioned and assembled to form the opening shape of the curved outer plate of the side pusher 400, and the allowance line surveying and the hole opening operation are not needed on site.
When the side-pushed lower-section outer plate 200 is assembled largely, a second platform line 320 is drawn at a predetermined position in the transverse direction of the plurality of perforated outer plates 210 of the side-pushed lower-section outer plate 200, and a plurality of second rib lines are drawn in the longitudinal direction of each perforated outer plate 210, and fig. 4 is a schematic structural diagram of a perforated outer plate according to an embodiment of the present application. The plurality of open-cell outer plates 210 comprise an open-cell outer plate a, an open-cell outer plate b, an open-cell outer plate c, an open-cell outer plate d and an open-cell outer plate e, the second platform lines 320 of the plurality of open-cell outer plates 210 are aligned, and the plurality of second rib bit lines of each open-cell outer plate 210 are overlapped with the rib frame to complete the assembly of the laterally pushed partial section outer plate 200.
The side-push upper sectional outer plate 100 is reversely buckled to the side-push lower sectional outer plate 200, fig. 3 is a schematic installation view of a curved outer plate large assembly according to an embodiment of the present application, and referring to fig. 3, the first rib position number bulkhead plate 140 and the second rib position number bulkhead plate 220 are aligned in the vertical direction, and the height difference between the first platform line 310 and the second platform line 320 is controlled to be a theoretical value in the horizontal direction, so as to complete the curved outer plate large assembly of the ship. The method comprises the following specific operations: the first center line 150 of the side-push upper section outer plate 100 is aligned with the second center line 231 of the side-push lower section outer plate 200, the fore-aft direction is vertically aligned by the first rib position number cabin wall plate 140 and the second rib position number cabin wall plate 220, the up-down height direction is positioned by the relative difference between the second platform line (5192 platform line) and the first platform line (2600 platform line) of 2592mm (5192 mm-2600 mm), and finally the welding operation is carried out on the curve type outer plates of 4 large circular holes corresponding to 2 fore-aft side-push devices and the watermelon peel outer plates of the circular rotating part, so that the operation mode of no allowance cutting and opening of the curve type outer plates is realized, and the technical and quality requirements of the ship section construction process are finally completed.
In the implementation process, the positioning line is surveyed and drawn on the pre-cut outer plate, the curve-shaped outer plate is scattered and hung for quick and accurate positioning, the two parts are segmented to respectively present the shapes of side-push allowance-free outer plate openings, the two layers of segmented large-assembly quick assembly and accurate positioning are realized, the outer plate is folded without being repaired and cut, and the surveying allowance line and the opening operation are not required to be carried out on the site.
In one embodiment, in order to meet the construction accuracy requirement, the drawing accuracy of the first platform line 310 and the plurality of first rib bit lines on the side-push upper sectional outer panel 100 and the drawing accuracy of the second platform line 320 and the plurality of second rib bit lines on the side-push lower sectional outer panel 200 is 1mm or less. The precision of the main size of the segmented general assembly is controlled to be +/-5 mm. The central lines of the two side thruster main bodies and the central lines of the side thruster upper and lower part section outer plates are controlled within 3 mm; the accuracy of the integral levelness of the segments is controlled to be +/-5 mm, and the accuracy of the intersection points of the curve-shaped outer plates is controlled to be +/-2 mm.
In one embodiment, in order to improve and control the accuracy of the segment construction, the method further comprises the steps of establishing a three-dimensional model of the lateral pushing upper segment by using the sanming G3 software after completing the assembly of the lateral pushing upper segment outer plate 100, and establishing a three-dimensional coordinate system in the three-dimensional model, wherein the data of the three-dimensional coordinate system X, Y and Z must be consistent with the data acquired and actually measured by the on-site total station. And acquiring an actual coordinate value of a preset measuring point, comparing the actual coordinate value with a theoretical coordinate value in the three-dimensional model, finally judging that the curve-type outer plate is scattered and assembled by using a surveying and marking datum line, analyzing by combining with a three-name G3 software to obtain a conclusion, and constructing the section to realize the ship construction quality in a rapid and accurate manner so as to meet the requirement of precision control.
Referring to the three-dimensional modeling of the side-push upper section outer plate 100, the method further comprises the steps of performing precision control of the three-dimensional modeling after the side-push lower section outer plate 200 is assembled, and performing precision control of the three-dimensional modeling on the whole outer plate after the large assembly of the ship curve-shaped outer plate is completed, and details are not repeated.
In the implementation process, the control method adopted by the accurate installation of the large assembly stage of the segments is acquired through field measurement, the three-name-G3 software is used by the computer equipment to analyze and compare the theoretical data of the segment model with the actual measurement data, and finally the accuracy control effect of the accurate scattered hanging positioning accuracy of the curved outer plate and the rapid positioning accuracy of the total assembly and closure of the segments in the segment construction process technology is shown by the data.
In one embodiment, selecting several core location points as the predetermined measurement points comprises: and the intersection point of the first central line 150 and the first rib position number bulkhead plate 140 in the fore-aft direction of the side thrust upper section and the intersection point of the first platform line 310 and the first rib position number bulkhead plate 140 are taken as measuring points for coordinate collection.
In one embodiment, the actual coordinates of the predetermined measurement point are acquired with a total station.
In one embodiment, after the installation of the side-push lower section outer plate large assembly, the method further comprises the step of hoisting and positioning the side-push 400, aligning the side-push 400 with the assigned rib position number, enabling the center line of the side-push 400 body to be located in the center plane 230 of the side-push lower section, and enabling the height difference between the center line of the side-push body and the second platform line 320 to be located in a theoretical value. For example: the FR389 stern side thruster and the FR395 bow side thruster are respectively hoisted into a 5192 platform segment for positioning, the center line of a main body of the side thruster is aligned with the center line of a segmented structure, rib position numbers FR389 and FR395 of the segmented structure are aligned, the height direction is controlled by the height difference of the center 2900A/B of the side thruster and a theoretical line of a second platform line (5192 platform), and the levelness of flange areas on two side thruster devices is controlled in a stressed mode.
In a second aspect, the present application further provides a ship, comprising a plurality of curved outer plates, wherein the plurality of curved outer plates are positioned and installed by using the installation method for assembling the curved outer plates of the ship according to any one of the embodiments of the first aspect.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A large-assembly installation method for a curved outer plate of a ship, wherein a rib framework and a longitudinal girder are hoisted in the ship, and the curved outer plate is attached to the rib framework for installation, is characterized by comprising the following steps:
pre-cutting an outer plate needing to be perforated into a plurality of curved outer plates, and forming the outer plates with the perforations after the plurality of curved outer plates are assembled in a large mode, wherein the perforations are used for arranging a side thruster; the plurality of curve-shaped outer plates are divided into side-push upper section outer plates and side-push lower section outer plates, wherein the side-push upper section outer plates comprise bottom supporting outer plates and a plurality of edge outer plates, and the side-push lower section outer plates comprise a plurality of opening outer plates;
when the lateral pushing upper section outer plates are assembled greatly, firstly installing a bottom supporting outer plate, and drawing a fore-and-aft direction central line and a plurality of rib position lines on the bottom supporting outer plate, so that the fore-and-aft direction central line is superposed with the middle longitudinal girder, and the plurality of rib position lines are superposed with the rib frame, thereby completing the installation of the bottom supporting outer plate; installing a plurality of outer edge outer plates, prospecting a first platform line at the transverse preset position of each edge outer plate, prospecting a plurality of first rib bit lines longitudinally, enabling the first platform lines of the plurality of edge outer plates to be parallel and level, and enabling the plurality of first rib bit lines of each edge outer plate to be superposed with the rib frame so as to finish the assembly of the lateral pushing upper section outer plate;
when the side-pushing lower section outer plate is assembled in a large mode, second platform lines are drawn at the transverse preset positions of a plurality of opening outer plates of the side-pushing lower section outer plate, and a plurality of second rib bit lines are drawn in the longitudinal direction of each opening outer plate; second platform lines of the plurality of the perforated outer plates are aligned, and a plurality of second rib bit lines of each perforated outer plate are superposed with the rib frame to complete lateral pushing of the large assembly of the partial section outer plates;
and reversely buckling the side-push upper section outer plate onto the side-push lower section outer plate, aligning the rib position number cabin wall plates of the two sections in the vertical direction, and controlling the height difference between the first platform line and the second platform line to be a theoretical value in the horizontal direction so as to finish the large assembly of the curve-shaped outer plate of the ship.
2. The method of installing a ship's curved outer panel assembly as claimed in claim 1, wherein the accuracy of the survey of the first platform line and the plurality of first rib lines on the side-push upper sectional outer panel and the survey of the second platform line and the plurality of second rib lines on the side-push lower sectional outer panel is 1mm or less.
3. The installation method of the large assembly of the curved outer plate of the ship according to claim 1, further comprising establishing a three-dimensional model of the lateral pushing upper section after completing the large assembly of the lateral pushing upper section outer plate, establishing a three-dimensional coordinate system in the three-dimensional model, collecting actual coordinates of a predetermined measurement point, and comparing the actual coordinates with theoretical coordinates in the three-dimensional model to control the large assembly accuracy.
4. The method for large assemblage installation of curved outer panels of marine vessels according to claim 3, wherein said predetermined measuring points comprise:
the intersection point of the fore-aft center line of the side thrust upper section and the first rib position number bulkhead plate and the intersection point of the first platform line and the first rib position number bulkhead plate.
5. The large assembly installation method for curved outer panels of ships according to claim 4, characterized in that the actual coordinates of the predetermined measuring point are collected by a total station.
6. The installation method of the large assembly of the curved outer plate of the ship according to claim 1, further comprising the step of hoisting and positioning a side thruster after the large assembly of the outer plate of the side thrust lower section is installed, wherein the side thruster is aligned with the designated rib position number, so that the center line of the main body of the side thruster is positioned in the center plane of the side thrust lower section, and the height difference between the center line of the main body of the side thruster and the second platform line is positioned within a theoretical value.
7. A ship, characterized by comprising a plurality of curved outer plates, wherein the plurality of curved outer plates are positioned and installed by adopting the large-assembly installation method of the curved outer plates of the ship as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210761250.1A CN115320803A (en) | 2022-06-29 | 2022-06-29 | Large assembling and mounting method for curved outer plate of ship and ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210761250.1A CN115320803A (en) | 2022-06-29 | 2022-06-29 | Large assembling and mounting method for curved outer plate of ship and ship |
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| CN115320803A true CN115320803A (en) | 2022-11-11 |
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| CN202210761250.1A Pending CN115320803A (en) | 2022-06-29 | 2022-06-29 | Large assembling and mounting method for curved outer plate of ship and ship |
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2022
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| KR20120137866A (en) * | 2011-06-13 | 2012-12-24 | 삼성중공업 주식회사 | Method for making working hole for inside work of ship |
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