CN114872859A - Simulation box testing method for mounting container cone at ship final assembly stage - Google Patents
Simulation box testing method for mounting container cone at ship final assembly stage Download PDFInfo
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- CN114872859A CN114872859A CN202210483887.9A CN202210483887A CN114872859A CN 114872859 A CN114872859 A CN 114872859A CN 202210483887 A CN202210483887 A CN 202210483887A CN 114872859 A CN114872859 A CN 114872859A
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000004088 simulation Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 10
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- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching 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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Abstract
The invention provides a simulation test box method for installing a container box cone at the ship final assembly stage, which comprises the steps of determining the placing direction of a ship block, and arranging a ground sample line and a positioning datum line as a datum basis for positioning the ship block; hoisting the double-layer bottom section to a preset station, and positioning the double-layer bottom section; hoisting and positioning each subsection of the double-layer bottom to a preset station in sequence; correcting a reference line of the boxing system, and ensuring that the installation error is within a first set range; meanwhile, installing and welding a container system in the ship cabin, and hoisting, positioning and welding the broadside segments and the transverse bulkhead segments; after welding seams among the sections, the adjusting base plate, the box cone and the guide frame are welded, measuring the distance between the box cone and the guide frame, and manually analyzing and simulating a test box; and (4) reassembling and welding the points with deviation of each section until the assembling data meet a second set range. According to the technical scheme, the problems of installing the box cone and simulating the test box in the final assembly stage can be solved, and the physical test box in the final assembly stage of the ship can be realized in advance.
Description
Technical Field
The invention belongs to the technical field of ship container testing, and particularly relates to a simulation box testing method for mounting a container cone at a ship final assembly stage.
Background
The installation stage of traditional container case awl all is in the dock stage, carries on the shaping at the double-deck bottom of cargo hold, front and back horizontal bulkhead, side longitudinal wall segmentation of port and starboard, and the installation of adjusting plate and case awl is carried out again after the guide frame installation is accomplished. The whole construction stage is in the later stage of the dock, is not favorable for the forward movement of the working procedure, is easy to cause the shortage of the construction period of the test box, and even can test the box after launching.
Therefore, how to provide a simulation test box method for installing a container box cone at the ship final assembly stage, which solves the problems of installing the container cone at the final assembly stage and performing simulation test box, and realizes the physical test box at the ship final assembly stage in advance becomes a technical problem to be solved urgently.
Disclosure of Invention
The embodiment of the invention provides a simulation box testing method for installing a container cone at a ship final assembly stage, which can solve the problems of installing the container cone at the final assembly stage and performing simulation box testing and realize physical box testing at the ship final assembly stage in advance.
In order to solve the technical problem, an embodiment of the present invention provides a simulated test box method for installing a container cone in a ship final assembly stage, including:
s101, defining an overall assembling station of a ship block, and determining the placing direction of the ship block;
s102, setting a ground sample line and a positioning reference line as a reference basis for positioning the ship block;
s103, hoisting the double-layer bottom segment to a preset station, and positioning the double-layer bottom 223 segment according to the center line and the rib inspection line of the double-layer bottom segment;
s104, hoisting and positioning the double-layer bottoms 233, 224 and 234 in sequence to corresponding preset stations according to the total assembly sequence of the ship;
s105, after the hoisting and positioning of the double-layer bottom section of the ship block are completed, correcting a reference line of a packing system of the ship, and ensuring that the installation error of the ship is within a first set range;
s106, installing and welding the container system in the ship cabin, and hoisting, positioning and welding the side sections and the transverse cabin wall sections of the ship;
s107, after welding seams, adjusting base plates, box cones and guide frames among all the sections of the ship block are welded, measuring the distance between the box cones and the guide frames integrally, and manually analyzing and simulating a test box;
and S108, reassembling and welding the points with deviation of each section in the ship block until the assembling data meet a second set range.
Further, installing and welding the ship in-cabin encasement system comprises:
s201, surveying and drawing an adjusting base plate and a box cone installation line on an inner bottom plate according to the corrected reference line, wherein the drawing error is a first design error;
s202, measuring the levelness of the fixed base plate in the double-layer bottom segmented cabin, calculating the thickness value of the corresponding adjusting base plate, selecting a plate with the corresponding thickness, and blanking the adjusting base plate;
s203, assembling adjusting base plates with corresponding plate thicknesses, measuring the levels of the adjusting base plates by using the box foot points of each box position, ensuring that the flatness is within a first set error, and welding the adjusting base plates after the precision measurement is qualified;
s204, assembling a box cone on the adjusting base plate, and welding the box cone after the accuracy measurement of the box cone meets the set error.
Further, measure the levelness of the fixed backing plate in the segmentation under-deck at two-layer bottom, calculate the thickness value that corresponds the adjusting plate, select corresponding thickness panel, carry out the unloading of adjusting plate, include:
and taking a single box position of the ship in-cabin boxing system as a reference, measuring the level of the fixed base plate of each box leg, calculating a plane according to the measured data value, taking the minimum of the adjusting base plate at the highest point as a reference, selecting a plate with a corresponding thickness, and blanking the adjusting base plate.
Further, carry out hoist and mount tack welding to the topside segmentation of boats and ships, cross bulkhead segmentation includes:
s301, sequentially hoisting sections 1, 2, 3, 4 and the like of the broadside section according to the total group sequence, positioning a guide frame preassembled with the broadside section according to the corrected reference line and the corrected reference line of the bottom section as a reference, and positioning each section by taking the finished guide frame surface as a positioning reference;
s302, sequentially hoisting the 1, 2 and other sections of the transverse bulkhead section according to the total assembly sequence, positioning each section by taking the finished guide frame surface of the transverse bulkhead as a positioning reference according to the corrected central reference line, and selecting a preset number of points of the central guide frame and the guide frames on two sides on the guide frame surface to control data so as to ensure that the tolerance is in a preset range.
Further, selecting a predetermined number of points on the guide surface on the center guide and the guide surfaces on the two sides to control data, and ensuring that the tolerance is in a predetermined range, wherein the method comprises the following steps:
and selecting 9 points of the central guide frame and the guide frames on two sides on the guide frame surface to control data, and ensuring that the tolerance is within a range of +/-4 mm.
Further, the interval between whole measurement case awl and the guide bracket, manual analysis simulation examination case includes:
measuring a base plane by using a total station by taking the centers of 4 box cones in front and at the back of a single box position of the ship in-cabin encasement system as a reference;
and respectively measuring the distances from the central point of the box cone to the front and rear guide frame surfaces, and calculating the numerical value from the base surface of the box cone to the guide frame surfaces.
Further, the vessel block comprises: the double-layer bottom subsection, the side section and the transverse bulkhead section are sequentially arranged in the hoisting sequence of the sections.
Further, the method comprises:
and (5) carrying out direct physical test box report and test and issuing a test box report.
Further, the first set range is an error angle square +/-1 mm, and the second set range is a left-right spacing error between box cones less than +/-2 mm; the front-back spacing error is less than +/-4 mm.
The beneficial effects brought by the invention are as follows:
the invention provides a simulation test box method for installing a container box cone at a ship final assembly stage, which determines the placing direction of a ship final assembly by defining a final assembly station of the ship final assembly; a ground sample line and a positioning reference line are arranged to serve as a reference basis for positioning of a ship block; hoisting the double-layer bottom subsection to a preset station, and positioning the double-layer bottom subsection according to the center line and the rib inspection line of the double-layer bottom subsection; hoisting and positioning each subsection of the double-layer bottom to a corresponding preset station in sequence; correcting a datum line of the boxing system, and ensuring that the installation error of the datum line is within a first set range; meanwhile, installing and welding the container system in the ship cabin, and hoisting, positioning and welding the side sections and the transverse cabin wall sections of the ship; after welding seams among the sections, the adjusting base plate, the box cone and the guide frame are welded, the distance between the box cone and the guide frame is integrally measured, and the test box is manually analyzed and simulated; and (4) reassembling and welding the points with deviation of each section until the assembling data meet a second set range. According to the technical scheme, the problems of installing the box cone and simulating the test box in the final assembly stage can be solved, and the physical test box in the final assembly stage of the ship can be realized in advance.
Drawings
FIG. 1 is a flow chart of a simulated test box method for installing a container cone at the final assembly stage of a ship according to an embodiment of the invention;
FIG. 2 is a flow chart of a construction process of a packing system of a simulated test method for installing a container cone at the final assembly stage of a ship according to an embodiment of the invention;
fig. 3 shows a schematic diagram of the levelness of the double-layer bottom fixed base plate of the simulated test box method for installing the container cone at the total assembly stage of the ship according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present invention.
According to the technical scheme, the problems of installing the box cone and simulating the test box in the final assembly stage are solved, and the purpose of physically testing the box in the final assembly stage is achieved in advance. The technology realizes the purposes of forward moving of the working procedures, saving the construction period and improving the integrity of the boxing system through the innovation of synchronous construction of the working procedures of sectional manufacturing, total assembly of the annular total section, box cone installation, simulation of box testing and the like.
As shown in fig. 1 and fig. 2, fig. 1 is a flow chart of a simulated test method for installing a container cone at a ship final assembly stage according to an embodiment of the present invention; fig. 2 is a construction flow chart of a packing system of a simulated test method for installing a container cone at the ship final assembly stage according to an embodiment of the invention.
In the figure, a simulated test box method for installing a container cone at the total assembly stage of a ship comprises the following steps:
s101, defining an overall assembling station of a ship block, and determining the placing direction of the ship block.
And S102, opening a ground sample line and a positioning reference line as a reference basis for positioning the ship block.
S103, hoisting the double-layer bottom segment to a preset station, and positioning the double-layer bottom 223 segment according to the center line and the rib inspection line of the double-layer bottom segment.
And S104, hoisting and positioning the double-layer bottoms 233, 224 and 234 in sequence to corresponding preset stations according to the total assembly sequence of the ship.
And S105, after the hoisting and positioning of the double-layer bottom section of the ship block are completed, correcting a reference line of a packing system of the ship, and ensuring that the installation error of the ship is within a first set range.
In the embodiment of the invention, after the hoisting and positioning of the double-layer bottom section of the ship block are completed, the reference line (cross line) of the boxing system of the litigation ship is corrected; correcting a reference line, knocking a sample punching point well, and correcting an error angle ruler +/-1 mm.
And S106, installing and welding the container system in the ship cabin, and hoisting, positioning and welding the side sections and the transverse cabin wall sections of the ship.
In the embodiment of the invention, the installing and welding of the container system in the ship cabin comprises the following steps:
s201, surveying and drawing an adjusting base plate and a box cone installation line on the inner bottom plate according to the corrected reference line, wherein the drawing error is a first design error.
S202, measuring the levelness of the fixed base plates in the double-layer bottom segmented cabin, calculating the thickness value of the corresponding adjusting base plate, selecting the plate with the corresponding thickness, and blanking the adjusting base plate.
In the embodiment of the invention, the level of the fixed base plate of each box foot is measured by taking a single box position of the container system in the ship cabin as a reference, a plane is calculated according to the measured data value, and a plate with a corresponding thickness is selected by taking the minimum of 9mm of the adjusting base plate at the highest point as a reference to perform blanking of the adjusting base plate.
Fig. 3 is a schematic diagram of the levelness of the double-bottom fixed base plate of the simulated test box method for installing the container cone at the final assembly stage of the ship according to the embodiment of the invention.
In FIG. 3, the level of the fixed bolster of each box leg is measured based on a single box position, a plane is calculated from the measured data values, and the adjustment bolster at the highest point is 9mm in minimum, point H +6 is 9mm, point E +5 is 10mm, and point D +4 is 11 mm.
S203, assembling adjusting base plates with corresponding plate thicknesses, measuring the levels of the adjusting base plates by using the box foot points of each box position, ensuring that the flatness is within a first set error, and welding the adjusting base plates after the precision measurement is qualified.
In one implementation mode of the embodiment of the invention, the adjusting base plate with the corresponding plate thickness is assembled according to the required plate thickness, the level of the adjusting base plate is measured by using the box foot point of each box position, the flatness is ensured to be within 2mm, and the adjusting base plate is welded after the precision measurement is qualified. The length of the installation error is +/-3 mm, the width is +/-2 mm, and the diagonal angle is +/-6 mm.
S204, assembling a box cone on the adjusting base plate, and welding the box cone after the accuracy measurement of the box cone meets the set error.
In one implementation mode of the embodiment of the invention, the box cone is assembled on the adjusting base plate, the installation error is less than +/-1 mm, and the box cone is welded after the precision measurement is qualified.
In the embodiment of the invention, hoisting and positioning welding are carried out on the shipboard segment and the transverse bulkhead segment of the ship, and the method comprises the following steps:
s301, sequentially hoisting the sections 1, 2, 3, 4 and the like of the broadside section according to the total group sequence, positioning the guide frame preassembled on the broadside section by taking the corrected reference line of the bottom section as a reference, and positioning each section by taking the finished guide frame surface as a positioning reference.
In one implementation of the embodiment of the invention, the guide frame with the side section preassembled is positioned, and the left-right clearance theory is 2460 mm. The theoretical length before and after is 6114 mm. And positioning each section by taking the finished guide frame surface as a positioning reference.
S302, sequentially hoisting 1, 2 and other sections of the transverse bulkhead section according to the total group sequence, positioning each section by taking the finished guide frame surface of the transverse bulkhead as a positioning reference according to the corrected central reference line, and selecting a preset number of points of the central guide frame and the guide frames at two sides on the guide frame surface to control data, so as to ensure that the tolerance is in a preset range.
In one implementation of the embodiment of the invention, 9 points of the central guide frame and the two side guide frames on the guide frame surface are selected to control data, and the tolerance is ensured to be within a range of +/-4 mm.
S107, after welding seams, adjusting base plates, box cones and guide frames among all the sections of the ship block are welded, the distance between the box cones and the guide frames is measured integrally, and a simulation test box is analyzed manually.
In the embodiment of the invention, the centers of 4 box cones in front and at the back of a single box position are taken as references, a base plane is measured by using a total station, the distance from the center point of the box cone to the front and back guide frame surfaces is measured, the value from the base plane of the box cone to the guide frame surfaces is calculated, the front, the back, the left and the right are centered as much as possible, the difference between the points A, B of the left and the right gaps is less than 2mm, and the difference between the points H, G of the front and the back gaps is less than 6 mm.
And S108, reassembling and welding the points with deviation of each section in the ship block until the assembling data meet a second set range.
In the embodiment of the invention, a base plane is measured by using a total station instrument with the centers of 4 box cones in front and at the back of a single box position of the container loading system in the ship cabin as a reference;
and respectively measuring the distances from the central point of the box cone to the front and rear guide frame surfaces, and calculating the numerical value from the base surface of the box cone to the guide frame surfaces.
In one implementation of the embodiment of the invention, according to the measured data, the box cones are reassembled, the left-right spacing between the box cones is 2259mm, and the error is less than +/-2 mm; the front and back spacing is 11985mm, and the error is less than +/-4 mm.
In the embodiment of the invention, the method comprises the following steps: and (5) carrying out direct physical test box report and test and issuing a test box report.
In an embodiment of the present invention, the ship block includes: the double-layer bottom subsection, the side section and the transverse bulkhead section are sequentially arranged in the hoisting sequence of the sections.
Compared with the traditional box cone and box test stage, the technical scheme of the invention moves forward to the total assembly stage, thereby shortening the construction period of the whole ship. The construction of sectional hoisting, installing and welding and the installation and the construction of the box cone are synchronously carried out, so that the construction period can be saved. Through the total assembly stage measurement packing system, the manual simulation test box, the physical test box report and test and other operation links, favorable conditions are created for the subsequent procedures.
The embodiment of the invention provides a simulation box testing method for installing a container box cone at a ship final assembly stage, which determines the placing direction of a ship final assembly by defining a final assembly station of the ship final assembly; a ground sample line and a positioning reference line are arranged to serve as a reference basis for positioning of a ship block; hoisting the double-layer bottom subsection to a preset station, and positioning the double-layer bottom subsection according to the center line and the rib inspection line of the double-layer bottom subsection; hoisting and positioning each subsection of the double-layer bottom to a corresponding preset station in sequence; correcting a datum line of the boxing system, and ensuring that the installation error of the datum line is within a first set range; meanwhile, installing and welding the container system in the ship cabin, and hoisting, positioning and welding the side sections and the transverse cabin wall sections of the ship; after welding seams among the sections, the adjusting base plate, the box cone and the guide frame are welded, the distance between the box cone and the guide frame is integrally measured, and the test box is manually analyzed and simulated; and (4) reassembling and welding the points with deviation of each section until the assembling data meet a second set range.
According to the technical scheme, the problems of installing the box cone and simulating the test box in the final assembly stage can be solved, and the physical test box in the final assembly stage of the ship can be realized in advance.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.
Claims (9)
1. A simulation test box method for installing a container cone at the final assembly stage of a ship is characterized by comprising the following steps:
s101, defining an overall assembling station of a ship block, and determining the placing direction of the ship block;
s102, opening a ground sample line and a positioning reference line as a reference basis for positioning the ship block;
s103, hoisting the double-layer bottom segment to a preset station, and positioning the double-layer bottom 223 segment according to the center line and the rib inspection line of the double-layer bottom segment;
s104, hoisting and positioning the double-layer bottoms 233, 224 and 234 in sequence to corresponding preset stations according to the total assembly sequence of the ship;
s105, after the hoisting and positioning of the double-layer bottom section of the ship block are completed, correcting a reference line of a packing system of the ship, and ensuring that the installation error of the ship is within a first set range;
s106, installing and welding the container system in the ship cabin, and hoisting, positioning and welding the side sections and the transverse cabin wall sections of the ship;
s107, after welding seams, adjusting base plates, box cones and guide frames among all the sections of the ship block are welded, measuring the distance between the box cones and the guide frames integrally, and manually analyzing and simulating a test box;
and S108, reassembling and welding the points with deviation of each section in the ship block until the assembling data meet a second set range.
2. The simulated test box method for installing the container cone in the ship total assembly stage according to claim 1, wherein the installing and welding of the container cone in the ship cabin comprises the following steps:
s201, surveying and drawing an adjusting base plate and a box cone installation line on an inner bottom plate according to the corrected reference line, wherein the drawing error is a first design error;
s202, measuring the levelness of the fixed base plate in the double-layer bottom segmented cabin, calculating the thickness value of the corresponding adjusting base plate, selecting a plate with the corresponding thickness, and blanking the adjusting base plate;
s203, assembling adjusting base plates with corresponding plate thicknesses, measuring the levels of the adjusting base plates by using the box foot points of each box position, ensuring that the flatness is within a first set error, and welding the adjusting base plates after the precision measurement is qualified;
s204, assembling a box cone on the adjusting base plate, and welding the box cone after the accuracy measurement of the box cone meets the set error.
3. The method for simulating the test box of the container cone for the ship total assembly stage according to claim 2, wherein the levelness of the fixed base plates in the double-layer bottom subsection cabin is measured, the thickness value of the corresponding adjusting base plate is calculated, the plate with the corresponding thickness is selected, and the adjusting base plate is blanked, and the method comprises the following steps:
and taking a single box position of the ship in-cabin boxing system as a reference, measuring the level of the fixed base plate of each box leg, calculating a plane according to the measured data value, taking the minimum of the adjusting base plate at the highest point as a reference, selecting a plate with a corresponding thickness, and blanking the adjusting base plate.
4. The simulated test box method for installing the container box cone at the final assembly stage of the ship according to claim 1, wherein the hoisting positioning welding is carried out on the side section and the transverse bulkhead section of the ship, and comprises the following steps:
s301, sequentially hoisting sections 1, 2, 3, 4 and the like of the broadside section according to the total group sequence, positioning a guide frame preassembled with the broadside section according to the corrected reference line and the corrected reference line of the bottom section as a reference, and positioning each section by taking the finished guide frame surface as a positioning reference;
s302, sequentially hoisting 1, 2 and other sections of the transverse bulkhead section according to the total group sequence, positioning each section by taking the finished guide frame surface of the transverse bulkhead as a positioning reference according to the corrected central reference line, and selecting a preset number of points of the central guide frame and the guide frames at two sides on the guide frame surface to control data, so as to ensure that the tolerance is in a preset range.
5. A simulated test box method for installing a container cone in the ship total assembly stage according to claim 4, wherein a predetermined number of points on the guide frame surface on the center guide frame and the guide frames on the two sides are selected to control data, and the tolerance is ensured to be in a predetermined range, and the method comprises the following steps:
and selecting 9 points of the central guide frame and the guide frames on two sides on the guide frame surface to control data, and ensuring that the tolerance is within the range of +/-4 mm.
6. The method for simulating the test box of the container cone of the ship in the total assembly stage according to claim 1, wherein the distance between the container cone and the guide frame is measured integrally, and the simulated test box is analyzed manually, comprising the following steps:
measuring a base plane by using a total station by taking the centers of 4 box cones in front and at the back of a single box position of the ship in-cabin encasement system as a reference;
and respectively measuring the distances from the central point of the box cone to the front and rear guide frame surfaces, and calculating the numerical value from the base surface of the box cone to the guide frame surfaces.
7. The simulated test-box method for installing the container cone in the ship final assembly stage according to claim 1, wherein the ship final assembly stage comprises the following steps: the double-layer bottom subsection, the side section and the transverse bulkhead section are sequentially arranged in the hoisting sequence of the sections.
8. The method for simulating the test of the container cone for the ship in the total assembly stage according to claim 1, wherein the method comprises the following steps:
and (5) carrying out direct physical test box report and test and issuing a test box report.
9. The simulated test box method for installing the container cones of the ship in the total assembly stage of the ship as claimed in claim 1, wherein the first set range is an error angle square +/-1 mm, and the second set range is a left-right spacing error between the container cones < +/-2 mm; the front-back spacing error is less than +/-4 mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115158538A (en) * | 2022-08-11 | 2022-10-11 | 上海外高桥造船有限公司 | Double-layer bottom cabin and double-layer bottom hoisting method |
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Application publication date: 20220809 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048822 Denomination of invention: A simulation test method for installing container cones during the ship assembly stage Granted publication date: 20230725 License type: Common License Record date: 20231130 |