CN115009464B - Bulkhead floor construction method and bulk carrier - Google Patents
Bulkhead floor construction method and bulk carrier Download PDFInfo
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- CN115009464B CN115009464B CN202210594806.2A CN202210594806A CN115009464B CN 115009464 B CN115009464 B CN 115009464B CN 202210594806 A CN202210594806 A CN 202210594806A CN 115009464 B CN115009464 B CN 115009464B
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- 238000010276 construction Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004088 simulation Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004568 cement Substances 0.000 claims description 7
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Abstract
The invention discloses a bulkhead ground construction method and a bulk carrier, wherein the method comprises the following steps: determining bulkhead segments and deck segments to be assembled, and arranging each tool in the first tool assembly on the bulkhead segments and the deck segments; respectively carrying out simulation pre-repair on the bulkhead section and the deck section; arranging a second tool assembly on the ground of a construction area, and hoisting the deck section to the second tool assembly; adjusting the levelness of the deck sections; hoisting the bulkhead section above the deck section based on the levelness of the deck section meeting the preset requirement, and positioning and guiding the bulkhead section; reversely assembling the bulkhead segment and the deck segment into a whole to form a bulkhead total section, and hoisting the bulkhead total section to a target position of the whole ship; the position of the bulkhead total section is adjusted so that the position accuracy of the bulkhead total section meets the preset requirement; and respectively connecting and fixing the plurality of hook-groove-shaped tools and part of the plurality of guide fixing tools with the whole ship until the bulkhead total section is carried and assembled.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a bulkhead ground construction method and a bulk carrier.
Background
Depending on the form of the bulk carrier, a single pass bulkhead is provided within the vessel to form individual complete cargo compartment compartments. At present, according to the characteristics of the bulkhead, a shipyard can divide the bulkhead into sheet structure sections separately and then hoist and mount the bulkhead. The bulkhead is an independent sheet body section, and in the prior art, after the bulkhead is directly hoisted and carried normally, the small deck section above the bulkhead is hoisted, and because the bulkhead is vertically erected between the cargo holds, the bulkhead is carried and folded, more fixed tools are additionally arranged, and the bulkhead is required to be fixedly assembled, so that the small deck section above the bulkhead can be hoisted. The whole construction method is long in time consumption from bulkhead segmentation to small deck segmentation carrying completion, and is unfavorable for the current fast shipbuilding concept. The bulkhead is independently hoisted and vertically erected on the cargo hold, so that the cargo hold is dangerous. And the bulkhead and the small deck above form a fillet weld in the carrying stage, the height of the welding seam construction position is approximately 20 meters away from the inner bottom plate of the cargo hold, the whole is suspended, more scaffolds are required to be erected on the welding seam, the cost loss is more, the high-altitude operation is realized, and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a bulkhead ground construction method which is used for solving the problems that bulkhead sectional carrying has long influence on ship construction period, unsafe high-altitude construction, low construction efficiency, high cost and the like in the prior art.
The above object of the present invention can be achieved by the following technical solutions:
the invention provides a bulkhead ground construction method, which comprises the following steps:
according to a preset dividing principle, a bulkhead section and a deck section to be assembled are respectively determined from the complete bulkhead and a complete deck at the corresponding position of the bulkhead section and the deck section, and each tool in the first tool assembly is arranged on the bulkhead section and the deck section according to a preset scheme;
based on the bulkhead section and the deck section, respectively performing simulation pre-repair on the bulkhead section and the deck section to repair the allowance of the closing opening;
arranging a second tool assembly on the ground of a construction area according to a reverse construction scheme, and hoisting the deck section to the second tool assembly;
utilizing a plurality of support tools in the second tool assembly to adjust the levelness of the deck section;
hoisting the bulkhead section to the upper part of the deck section based on the levelness of the deck section meeting the preset requirement, and positioning and guiding the bulkhead section by utilizing a plurality of guiding and fixing tools in the first tool assembly and a plurality of ground ox fixing code tools in the second tool assembly;
reversely assembling the bulkhead section and the deck section into a whole to form a bulkhead total section, and hoisting the bulkhead total section to a target position of the whole ship;
the positions of the bulkhead total sections are adjusted by utilizing a plurality of hook groove type tools and a part of the guide fixing tools in the first tool assembly so that the position accuracy of the bulkhead total sections meets the preset requirements;
and on the basis that the position accuracy of the bulkhead block meets the preset requirement, the plurality of hook-groove-shaped tools and part of the guide fixing tools are respectively connected with the whole ship for fixing and positioning until the bulkhead block is carried and assembled.
Preferably, the disposing each tool in the first tool assembly on the bulkhead section and the deck section according to a preset scheme includes:
at least four rectangular tools and at least four pointed tools are respectively arranged on two side walls of the joint of the bulkhead section and the deck section at intervals along the ship width direction;
at least four wedge-shaped tools are arranged on two side walls of the bottom end of the bulkhead section at intervals along the width direction of the ship, and at least four hook-groove-shaped tools are arranged on the top end of the deck section at intervals along the circumferential direction of the deck section;
the guide fixing tool is formed by the at least four rectangular tools, the at least four pointed tools and the at least four wedge tools, and each wedge tool can be connected with one ground ox fixing code tool through a steel wire rope windproof tool to position the bulkhead section in the reverse assembly stage; in the loading stage of the bulkhead assembly, each wedge-shaped tool can be connected with a fixing piece arranged at the target position through a rope so as to adjust the position of the bulkhead assembly.
Preferably, the method further comprises: and removing all the hook-groove-shaped tools and all the wedge-shaped tools which are arranged on the bulkhead total section based on the assembly completion of the bulkhead total section.
Preferably, the method further comprises: and (3) based on the bulkhead total section reverse assembly, removing all rectangular tools and all pointed tools arranged on the bulkhead total section reverse assembly.
Preferably, the at least four rectangular tools are connected to the top end of the bulkhead section, and the at least four pointed tools are connected to the bottom end of the deck section; or the at least four rectangular tools are connected to the bottom end of the deck section, and the at least four pointed tools are connected to the top end of the bulkhead section.
Preferably, the length of each rectangular tool and/or each pointed tool beyond the fixed structure thereof is not less than 300 mm.
Preferably, a chamfer angle of not less than 65 ° is arranged on the side of each wedge tool, which is close to the bulkhead section.
Preferably, the length of each wedge-shaped tool beyond the fixed structure thereof is not less than 600 mm.
Preferably, the support tool comprises a cement pier arranged on the construction ground and a rigid adjustable support head arranged at the top of the cement pier.
The invention also provides a bulk carrier, which comprises the bulkhead ground construction method.
The bulkhead floor construction method of the invention has at least the following characteristics and advantages:
1. the invention has the advantages of quick hook loosening and high positioning efficiency and accuracy, and can quickly fix the sub/total sections by matching with the wedge-shaped tool, the hook groove-shaped tool, the rectangular tool and other tools, thereby meeting the requirement of quick loosening.
2. The invention has high safety, and ensures no overhead operation by lowering the welding seam formed by the bulkhead and the small deck from the position of 20m at high altitude to the position of 2 m at ground surface.
3. The invention has low construction cost, reduces the labor cost of construction and the material cost by reducing the welding seam formed by the bulkhead and the small deck from the position of 20m at high altitude to the position of 2 m at ground without erecting a high-altitude scaffold.
4. The invention has high construction efficiency, changes high-altitude operation into ground operation, can directly construct working procedures such as welding and grinding, does not need to pull longer pipelines, does not need to climb up high-altitude scaffolds and the like, is convenient and quick, has high construction efficiency, and can save nearly half of time for hoisting a single bulkhead.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a bulkhead floor construction method of the invention;
FIG. 2 is a flow chart of a bulkhead floor construction method of the invention;
FIG. 3 is a flow chart of a bulkhead floor construction method of the invention;
FIG. 4 is a schematic view of the construction of the bulkhead assembly of the present invention in reverse construction;
FIG. 5 is a schematic view of the construction of the bulkhead assembly of the present invention in reverse construction;
fig. 6 is a schematic construction diagram of the bulkhead assembly according to the present invention in normal installation.
Reference numerals and description:
1. rectangular tooling; 2. a pointed tool; 3. wedge-shaped tool; 4. a flower basket strainer; 5. a steel wire rope tool; 6. supporting the tool; 7. a ground ox fixed code tool; 8. a hook groove type tool; 100. dividing a bulkhead; 200. and (5) segmenting a deck.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one
The invention provides a bulkhead floor construction method, please refer to fig. 1-6, comprising:
s1, determining a bulkhead section and a deck section to be assembled from a complete bulkhead and a complete deck at a position corresponding to the bulkhead section and the deck section according to a preset dividing principle, and arranging all tools in a first tool assembly on the bulkhead section and the deck section according to a preset scheme;
s2, based on the large group of bulkhead segments and deck segments, respectively performing simulation pre-repair on the bulkhead segments and the deck segments to repair and cut allowance of the closing port;
s3, arranging a second tool assembly on the ground of the construction area according to the reverse construction scheme, and hoisting the deck section to the second tool assembly;
s4, adjusting levelness of the deck sections by utilizing a plurality of supporting tools in the second tool assembly;
s5, hoisting the bulkhead section to the upper part of the deck section based on the levelness of the deck section to meet the preset requirement, and positioning and guiding the bulkhead section by utilizing a plurality of guiding and fixing tools in the first tool assembly and a plurality of ground ox fixing code tools in the second tool assembly;
s6, reversely assembling the bulkhead segment and the deck segment into a whole to form a bulkhead total segment, and hoisting the bulkhead total segment to a target position of the whole ship;
s7, adjusting the position of the bulkhead total section by utilizing a plurality of hook groove type tools and a part of a plurality of guide fixing tools in the first tool assembly so that the position accuracy of the bulkhead total section meets the preset requirement;
s8, based on the position accuracy of the bulkhead block, the plurality of hook-groove type tools and part of the plurality of guide fixing tools are respectively connected with the whole ship for fixing and positioning until the bulkhead block is carried and assembled.
The invention has the advantages of high safety, high construction efficiency, lower cost and shorter period.
In some embodiments, referring to fig. 3, disposing each tool of the first tool assembly on the bulkhead section and the deck section according to a predetermined scheme includes:
s11, respectively and alternately installing at least four rectangular tools and at least four pointed tools on two side walls of the joint of the bulkhead section and the deck section along the ship width direction;
s12, at least four wedge-shaped tools are arranged on two side walls of the bottom end of the bulkhead section at intervals along the ship width direction, and at least four hook-groove-shaped tools are arranged on the top end of the deck section at intervals along the circumferential direction of the deck section;
at least four rectangular tools, at least four pointed tools and at least four wedge tools form a guide fixing tool together, and each wedge tool can be connected with a ground ox fixing code tool through a steel wire rope windproof tool in the reverse assembly stage so as to position a bulkhead section; in the loading stage of the bulkhead assembly, each wedge-shaped tool can be connected with a fixing piece arranged at a target position through a rope so as to adjust the position of the bulkhead assembly.
In some embodiments, referring to fig. 5, the steel wire rope wind-proof tool is connected with the ground ox fixing code tool through a flower basket tensioner.
In some embodiments, referring to fig. 2, further comprising:
and S9, after the assembly is carried based on the bulkhead total section, removing all the hook-groove-shaped tools and all the wedge-shaped tools arranged on the bulkhead total section.
In some embodiments, referring to fig. 2, further comprising:
s61, reversely assembling the bulkhead total section into a whole, and dismantling all rectangular tools and all pointed tools arranged on the bulkhead total section.
In some embodiments, referring to fig. 4-6, at least four rectangular tooling is attached to the bottom end of the deck section and at least four pointed tooling is attached to the top end of the bulkhead section. In other embodiments, at least four rectangular tooling is attached to the top end of the bulkhead section and at least four pointed tooling is attached to the bottom end of the deck section.
In some embodiments, each rectangular tool and/or each pointed tool is no less than 300 millimeters beyond the length of its fixed structure. That is, when the rectangular tool is set on the top end of the bulkhead section, the distance that the top of the rectangular tool exceeds the top of the bulkhead section is not less than 300 mm, and when the rectangular tool is set on the bottom end of the deck section, the distance that the bottom of the rectangular tool exceeds the bottom end of the deck section is not less than 300 mm. When the tip-shaped tool is arranged at the top end of the bulkhead section, the distance between the top of the tip-shaped tool and the top of the bulkhead section is not less than 300 mm, and when the tip-shaped tool is arranged at the bottom end of the deck section, the distance between the bottom of the tip-shaped tool and the bottom end of the deck section is not less than 300 mm. In some preferred embodiments, each rectangular tooling arrangement corresponds to a pointed tooling, and more preferably, each rectangular tooling and each pointed tooling is arranged at the frame structure of the bulkhead block.
In some embodiments, referring to fig. 4 and 5, a chamfer of not less than 65 ° is provided on a side of each wedge tooling proximate to the bulkhead section. Further, the length of each wedge-shaped tool beyond the fixed structure thereof is not less than 600mm, i.e. the length of the bottom end of each wedge-shaped tool beyond the bottom end of the bulkhead segment is not less than 600 mm.
In some embodiments, referring to fig. 4 and 5, the support fixture includes a cement pier disposed on a construction floor and a rigid adjustable support head disposed on top of the cement pier.
The invention is further described and illustrated by the following detailed description of one embodiment, please refer to fig. 1-6:
1. guide fixing tool additionally arranged on segment in advance
After the bulkhead and other sectional groups are completed, a guide fixing tool is arranged at the relevant sectional folding port of the bulkhead.
The guide fixing tools are divided into three types, one type is a rectangular tool, and the length and the width are 600mm and 150mm; one is pointed tooling, which can be used for quick hoisting; one wedge-shaped tool is provided with a bevel surface which is convenient for quick lifting, and an R30 aperture which is convenient for connecting and fixing other related tools;
in addition, the tool is also provided with a hook groove type tool, the length and the width are 750mm and 280mm, and one surface of the tool is provided with a hook groove, so that the quick positioning of the subsequent block can be facilitated.
The wedge-shaped tool is arranged at the lower opening of the bulkhead, and 8 blocks are arranged on each single side at intervals; the rectangular tool is arranged at the lower opening of the small deck, and 4 blocks are arranged on one side; the pointed tooling is arranged at the upper opening of the bulkhead, and 4 blocks are arranged on the left, the middle and the right of one side; the hook groove type tooling is arranged on the deck surface of the small deck, and 4 pieces are arranged in the front-back direction of the left side and the right side.
The steel wire rope windproof tool is arranged on the wedge-shaped tool in advance, two steel wire rope windproof tools are arranged on the left side and the right side of the wedge-shaped tool respectively, and 4 steel wire rope windproof tools are arranged on the left side and the right side of the wedge-shaped tool respectively, so that the rapid unhooking hook can be conveniently hoisted on the subsequent bulkhead.
2. Advanced analog pre-repair of related segments
After the bulkhead, the deck and other related sectional groups are completed, sectional point measurement is carried out on the bulkhead, the deck and other related sectional groups, and data collection is carried out.
And analyzing the data structures collected by the relevant segments such as the bulkhead and the like by combining a three-dimensional system, and obtaining the residual value of each segment.
And confirming the related subsection pre-repair schemes such as bulkheads and the like, and exploring and dividing a repair line on the subsection in advance to serve as a reference line.
And according to the reference line, repairing and cutting the allowance of the folding opening of the relevant sectional pre-repairing schemes such as the bulkhead and the like, reducing repairing and cutting in the subsequent folding stage, improving the safety and the construction efficiency, and reducing secondary hoisting.
3. Supporting tool for arranging steel piers in advance
The working position for placing bulkhead ground construction is planned in advance.
According to the construction form of the bulkhead floor, the cross line and the datum line are drawn on the floor in advance.
And drawing the positions of the steel piers of relevant sections such as bulkheads and the like on the ground according to the cross lines and the datum lines.
After the position is drawn, supporting tools such as steel piers for placing relevant sections such as bulkheads and the like are placed in place.
The steel pier is in the form of a cement pier and a rigid supporting head. The rigid supporting head is adjustable, so that the accuracy level of the bulkhead can be conveniently adjusted.
The ground ox fixing and stacking tool is arranged on the ground ox, so that the ground ox can be conveniently connected with the steel wire rope tool.
4. Relevant segments such as ground hoisting bulkhead
And hoisting the small deck segments, and slowly hoisting the segments to the steel pier supports.
And (5) measuring precision and adjusting levelness of the small deck section by using a rigid support head.
And (5) adjusting the levelness of the small deck section, and hoisting the bulkhead section.
Slowly hoisting the bulkhead section onto the small deck section, and after hoisting in place, firmly welding the bulkhead section by using a rectangular guide tool on the small deck, and firmly welding the sharp tool on the bulkhead with the small deck.
And connecting the steel wire rope tool on the bulkhead with the ground ox tool, and connecting four steel wire rope tools in total front and back.
And (5) finishing hoisting and positioning, and assembling and welding the hoisting and positioning.
5. Integral quick carrying of bulkhead floor
And after the bulkhead segment and the small deck segment are welded, carrying the bulkhead segment and the small deck segment.
The gantry crane slowly lifts the bulkhead small block, lifts the bulkhead small block to the dock and places the bulkhead small block at the whole ship position.
The portal crane slowly puts down the portal crane, and after the general section is in place quickly, the wedge-shaped tool at the lower opening of the bulkhead is connected with the fixed structure on the ship through the rope, so that the front and back positions of the wedge-shaped tool can be fixed, and front and back shaking during hoisting is prevented.
And after all bulkhead total sections are in place, measuring data are accurately matched with the bulkhead total sections.
If the data is required to be finely adjusted, the small deck upper hook groove-shaped tool and the bulkhead lower opening wedge-shaped tool can be matched for total section data adjustment.
And after the integral precision is qualified, firmly welding the deck surface hook groove type tool with the left and right connected decks, and welding and connecting the wedge type tool with the lower opening of the bulkhead in a segmented manner.
And after the groove-shaped tool and the wedge-shaped tool are integrally welded with the left and right lower opening sections firmly, loosening the hook.
And the bulkhead assembly is carried and lifted once in place.
The bulkhead floor construction method of the invention has at least the following characteristics and advantages:
1. the invention has the advantages of quick hook loosening and high positioning efficiency and accuracy, and can quickly fix the sub/total sections by matching with the wedge-shaped tool, the hook groove-shaped tool, the rectangular tool and other tools, thereby meeting the requirement of quick loosening.
2. The invention has high safety, and ensures no overhead operation by lowering the welding seam formed by the bulkhead and the small deck from the position of 20m at high altitude to the position of 2 m at ground surface.
3. The invention has low construction cost, reduces the labor cost of construction and the material cost by reducing the welding seam formed by the bulkhead and the small deck from the position of 20m at high altitude to the position of 2 m at ground without erecting a high-altitude scaffold.
4. The invention has high construction efficiency, changes high-altitude operation into ground operation, can directly construct working procedures such as welding and grinding, does not need to pull longer pipelines, does not need to climb up high-altitude scaffolds and the like, is convenient and quick, has high construction efficiency, and can save nearly half of time for hoisting a single bulkhead.
Second embodiment
The embodiment of the invention also provides a bulk carrier, which comprises the bulkhead ground construction method in any one of the first embodiment. Those skilled in the art will appreciate that the bulk carrier provided by the present invention has the same advantages as those of the second embodiment, and will not be described in detail herein.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including those of ordinary skill in the art, without departing from the spirit and scope of the present invention.
Claims (9)
1. A method of constructing a bulkhead floor, comprising:
according to a preset dividing principle, a bulkhead section and a deck section to be assembled are respectively determined from the complete bulkhead and a complete deck at the corresponding position of the bulkhead section and the deck section, and each tool in the first tool assembly is arranged on the bulkhead section and the deck section according to a preset scheme;
based on the bulkhead section and the deck section, respectively performing simulation pre-repair on the bulkhead section and the deck section to repair the allowance of the closing opening;
arranging a second tool assembly on the ground of a construction area according to a reverse construction scheme, and hoisting the deck section to the second tool assembly;
utilizing a plurality of support tools in the second tool assembly to adjust the levelness of the deck section;
hoisting the bulkhead section to the upper part of the deck section based on the levelness of the deck section meeting the preset requirement, and positioning and guiding the bulkhead section by utilizing a plurality of guiding and fixing tools in the first tool assembly and a plurality of ground ox fixing code tools in the second tool assembly;
reversely assembling the bulkhead section and the deck section into a whole to form a bulkhead total section, and hoisting the bulkhead total section to a target position of the whole ship;
the positions of the bulkhead total sections are adjusted by utilizing a plurality of hook groove type tools and a part of the guide fixing tools in the first tool assembly so that the position accuracy of the bulkhead total sections meets the preset requirements;
based on the position accuracy of the bulkhead block meets the preset requirement, the plurality of hook-groove type tools and part of the guide fixing tools are respectively connected and fixed with the whole ship until the bulkhead block is carried and assembled;
wherein, set up each frock in the first frock subassembly according to preset scheme on bulkhead segmentation with the deck segmentation includes:
at least four rectangular tools and at least four pointed tools are respectively arranged on two side walls of the joint of the bulkhead section and the deck section at intervals along the ship width direction;
at least four wedge-shaped tools are arranged on two side walls of the bottom end of the bulkhead section at intervals along the width direction of the ship, and at least four hook-groove-shaped tools are arranged on the top end of the deck section at intervals along the circumferential direction of the deck section;
the guide fixing tool is formed by the at least four rectangular tools, the at least four pointed tools and the at least four wedge tools, and each wedge tool can be connected with one ground ox fixing code tool through a steel wire rope windproof tool to position the bulkhead section in the reverse assembly stage; in the loading stage of the bulkhead assembly, each wedge-shaped tool can be connected with a fixing piece arranged at the target position through a rope so as to adjust the position of the bulkhead assembly.
2. The bulkhead floor construction method of claim 1, further comprising:
and removing all the hook-groove-shaped tools and all the wedge-shaped tools which are arranged on the bulkhead total section based on the assembly completion of the bulkhead total section.
3. The bulkhead floor construction method of claim 2, further comprising:
and (3) based on the bulkhead total section reverse assembly, removing all rectangular tools and all pointed tools arranged on the bulkhead total section reverse assembly.
4. A bulkhead floor construction method according to any one of claims 1 to 3,
the at least four rectangular tools are connected to the top end of the bulkhead section, and the at least four pointed tools are connected to the bottom end of the deck section; or (b)
The at least four rectangular tools are connected to the bottom end of the deck section, and the at least four pointed tools are connected to the top end of the bulkhead section.
5. The bulkhead floor construction method of claim 4, wherein a length of each of the rectangular fixtures and/or each of the pointed fixtures beyond a fixed structure thereof is not less than 300 mm.
6. The bulkhead floor construction method of claim 4, wherein a side of each of the wedge tooling proximate to the bulkhead section is provided with a chamfer angle of not less than 65 °.
7. The bulkhead floor construction method of claim 6, wherein each of the wedge fixtures has a length beyond its fixed structure of no less than 600 millimeters.
8. The bulkhead floor construction method of any one of claims 5-7, wherein the support tooling comprises a cement pier disposed on a construction floor and a rigid adjustable support head disposed atop the cement pier.
9. Bulk carrier, characterized in that it is built by the bulkhead floor construction method according to any one of claims 1 to 8.
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| CN202210594806.2A CN115009464B (en) | 2022-05-27 | 2022-05-27 | Bulkhead floor construction method and bulk carrier |
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| CN202210594806.2A CN115009464B (en) | 2022-05-27 | 2022-05-27 | Bulkhead floor construction method and bulk carrier |
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| CN109850066A (en) * | 2019-02-28 | 2019-06-07 | 广船国际有限公司 | A kind of ship always organizes method for loading |
| CN211076287U (en) * | 2019-11-27 | 2020-07-24 | 浙江国际海运职业技术学院 | Tool for preventing groove-shaped bulkhead from toppling |
| CN113911284A (en) * | 2021-11-01 | 2022-01-11 | 沪东中华造船(集团)有限公司 | Precision control method for assembling and carrying P-type total sections on chemical ship |
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| CN115009464A (en) | 2022-09-06 |
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Application publication date: 20220906 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048822 Denomination of invention: Bulkhead ground construction method and bulk carrier Granted publication date: 20230919 License type: Common License Record date: 20231130 |