CN112078755A - Method for constructing hatch cover of channel system - Google Patents
Method for constructing hatch cover of channel system Download PDFInfo
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- CN112078755A CN112078755A CN202010814621.9A CN202010814621A CN112078755A CN 112078755 A CN112078755 A CN 112078755A CN 202010814621 A CN202010814621 A CN 202010814621A CN 112078755 A CN112078755 A CN 112078755A
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- hatch cover
- welding
- welded
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- 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
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Robotics (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a method for constructing a hatch cover of a channel system, which comprises the following steps: manufacturing a jig frame; splicing the plates from the center of the jig frame to the side board step by step to form a hatch cover plate; marking out a framework line on the hatch cover plate; according to the framework line, a transverse framework and a longitudinal framework are vertically welded on the hatch cover plate, and after welding is completed, welding deformation is corrected; fixing a reinforcing plate at one end of the longitudinal frame; mounting a plurality of hinge eye plates on the reinforcing plate, and then boring fixed holes in the hinge eye plates to required sizes; and removing the hatch cover plate from the jig frame. The invention not only solves the problem of high construction precision control difficulty in the construction of the large-size hatch cover, but also solves the problem of low construction efficiency caused by boring after the hatch cover is installed on a ship.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to a method for constructing a hatch cover of a channel system.
Background
In recent years, with the rapid development of shipping industry, the performance requirements on ships are higher and higher, and especially large cargo transport ships or special ships have higher manufacturing cost and diversified design functions. In the construction of the large ships, the manufacture of the large hatch covers is involved, the structural flatness and the whole precision control difficulty are high, and the opening and closing of the hatch covers relate to mechanical connection, including eye plate installation or shaft hole processing, so that higher requirements are provided for the high-precision control of the manufacture of the hatch cover structure.
At present, after the large hatch cover is installed on a ship, the hinge eye plate on the hatch cover is bored, the method cannot ensure the size precision of the fixing hole on the hinge eye plate, meanwhile, the construction efficiency is low, and a large amount of construction time needs to be consumed.
Disclosure of Invention
Accordingly, the present invention is directed to a method for constructing a hatch cover of a passageway system, which solves the above-mentioned problems of the prior art.
A method for constructing a hatch cover of a channel system comprises the following steps:
s1, manufacturing a jig frame;
s2, splicing the hatch cover plates from the center of the jig frame to the side board step by step, and fixing the hatch cover plates and the jig frame by adopting positioning welding;
s3, marking out a framework line on the hatch cover plate;
s4, according to the framework line, vertically welding a framework on the hatch cover plate, and after welding is completed, correcting welding deformation;
the framework comprises a plurality of transverse frameworks with equidistantly distributed gears and a plurality of longitudinal frameworks with equidistantly distributed gears;
s5, fixing a reinforcing plate at one end part of the longitudinal frame, wherein the reinforcing plate is parallel to the transverse frame and is respectively vertical to the hatch cover plate and the longitudinal frame;
s6, mounting a plurality of hinge eye plates on the reinforcing plate, wherein the hinge eye plates and the corresponding longitudinal frameworks are positioned on the same straight line, and then boring fixing holes in the hinge eye plates to required sizes;
and S7, detaching the hatch cover plate from the jig frame.
Preferably, when the plurality of transverse frames of the gears are welded to the trunk deck in step S4, the transverse frames of the gears are welded at intervals by using an angle welder;
when a plurality of longitudinal frameworks of the gears are welded on the hatch cover plate, the longitudinal frameworks of the gears are welded and welded from left to right or from right to left in sequence.
Preferably, when the transverse frameworks of all gears are welded at intervals by adopting an angle welder, the transverse frameworks of all gears are welded and fixed in a mode of welding one gear every two gears;
when each transverse framework is welded, a sectional welding method is adopted for welding.
Preferably, the transverse framework is made of flat bulb steel, and the longitudinal framework is made of T-shaped material.
Preferably, the distance between two adjacent flat bulb steels is 700 +/-2 mm, and the distance between two adjacent T-shaped bars is 600 +/-2 mm.
Preferably, in step S4, the welding deformation is corrected by using a fire-tapping correction.
Preferably, the bed-jig is a support type bed-jig, and the levelness of the bed-jig is +/-1 mm.
Preferably, a center line of the hatch cover plate coincides with a center line of the jig frame.
The invention has the beneficial effects that:
according to the method, the boring process of the hinge eye plate on the hatch cover plate is moved forward to the construction stage of the hatch cover, so that the problem that the construction precision control of the large-size hatch cover is difficult is solved, the problem that the construction efficiency is low due to boring processing after the hatch cover is installed on a ship is solved, the construction precision of the hatch cover is improved, the construction time is saved, and the ship construction efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a top view of a hatch cover segment.
Fig. 2 is a bottom view of the hatch cover segment.
Fig. 3 is a side view of a hatch cover segment.
The reference numerals in the figures have the meaning:
1 is a hatch cover plate, 2 is a transverse framework, 3 is a longitudinal framework, 4 is a hinge eye plate, and 5 is a reinforcing plate
Detailed Description
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The invention provides a method for constructing a hatch cover of a channel system, which specifically comprises the following steps:
and S1, manufacturing the jig frame.
The bed-jig is a support type bed-jig, and the levelness of the bed-jig is +/-1 mm.
And S2, splicing the hatch cover plate 1 from the center of the jig frame to the side board step by step, and fixing the hatch cover plate 1 and the jig frame by adopting positioning welding.
The center line of the hatch cover plate 1 is coincident with the center line of the jig frame.
And S3, marking out a framework line on the hatch cover plate 1.
And S4, vertically welding a framework on the hatch cover plate 1 according to the framework line, and correcting welding deformation after welding.
The framework comprises a plurality of transverse frameworks 2 with equidistantly distributed gears and a plurality of longitudinal frameworks 3 with equidistantly distributed gears.
When a plurality of transverse frameworks 2 are welded on the hatch cover plate 1, the transverse frameworks 2 of each gear are welded at intervals by adopting an angle welder, specifically, the transverse frameworks 2 of each gear can be welded and fixed in a mode of welding one gear every two gears (namely after the transverse framework of one gear is welded, the transverse framework of the other gear is continuously welded on the transverse framework of the two gears), and when the transverse frameworks 2 of each gear are welded by adopting a segmented welding method.
When a plurality of longitudinal frameworks 3 of the gears are welded on the hatch cover plate 1, the longitudinal frameworks 3 of the gears are welded and welded from left to right or from right to left in sequence, and during welding, butt joint is performed firstly, then fillet welding is performed vertically, and finally fillet welding is performed horizontally.
In this embodiment, the transverse framework 2 is made of flat bulb steel, the longitudinal framework 3 is made of T-shaped material, the distance between two adjacent flat bulb steel is 700 ± 2mm, and the distance between two adjacent T-shaped material is 600 ± 2 mm.
After the flat-bulb steel and the T-shaped section are welded, welding deformation is corrected by means of fire tapping correction, and therefore the flatness of the sections and the construction precision meet requirements. And the temperature of the heating flame should be controlled during the flame correction, so that repeated heating at the same part is avoided. When the plate frame is corrected, the framework is corrected firstly, and then the hatch cover plate 1 is corrected, so that the correction quality is improved, the baking stiffness is avoided, and the plate frame is corrected gradually.
S5, fixing a reinforcing plate 5 to one end of the longitudinal frame 3, wherein the reinforcing plate 5 is parallel to the transverse frame 2 and is perpendicular to the hatch cover 1 and the longitudinal frame 3.
And S6, mounting a plurality of hinge eye plates 4 on the reinforcing plate 5, wherein the hinge eye plates 4 and the corresponding longitudinal frameworks 3 are positioned on the same straight line, then boring the fixing holes on the hinge eye plates 4 to the required size, and completing the segmented construction of the hatch coaming.
And S7, detaching the hatch coaming section from the jig frame to enable the hatch coaming section to be in a free state. And then retesting the levelness, the main size and the local flatness of the sections of the hatch coaming according to the section completion measuring diagram.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A method for constructing a hatch cover of a channel system is characterized by comprising the following steps:
s1, manufacturing a jig frame;
s2, splicing the hatch cover plates from the center of the jig frame to the side board step by step, and fixing the hatch cover plates and the jig frame by adopting positioning welding;
s3, marking out a framework line on the hatch cover plate;
s4, according to the framework line, vertically welding a framework on the hatch cover plate, and after welding is completed, correcting welding deformation;
the framework comprises a plurality of transverse frameworks with equidistantly distributed gears and a plurality of longitudinal frameworks with equidistantly distributed gears;
s5, fixing a reinforcing plate at one end part of the longitudinal frame, wherein the reinforcing plate is parallel to the transverse frame and is respectively vertical to the hatch cover plate and the longitudinal frame;
s6, mounting a plurality of hinge eye plates on the reinforcing plate, wherein the hinge eye plates and the corresponding longitudinal frameworks are positioned on the same straight line, and then boring fixing holes in the hinge eye plates to required sizes;
and S7, detaching the hatch cover plate from the jig frame.
2. The method for constructing a hatch cover of an access system as claimed in claim 1, wherein when the plurality of transverse frames are welded to the hatch cover in step S4, the transverse frames are welded at intervals by using an angle welder;
when a plurality of longitudinal frameworks of the gears are welded on the hatch cover plate, the longitudinal frameworks of the gears are welded and welded from left to right or from right to left in sequence.
3. The method for constructing a hatch cover of a passageway system as claimed in claim 2, wherein when the transverse frames of each gear are welded at intervals by the fillet welding machine, the transverse frames of each gear are welded and fixed by welding one gear every two gears;
when each transverse framework is welded, a sectional welding method is adopted for welding.
4. Method for constructing a hatch cover for a passage system according to claim 2, characterised in that the transverse frames are bulb steel and the longitudinal frames are T-profiles.
5. The channel system hatch cover construction method according to claim 2, characterized in that the distance between two adjacent bulb flats is 700 ± 2mm, and the distance between two adjacent T-profiles is 600 ± 2 mm.
6. The method for constructing a hatch cover for an access system as claimed in claim 1, wherein said welding deformation is corrected by means of fire-tapping correction in step S4.
7. The method of constructing a hatch cover for a passageway system according to claim 1, wherein said jig is a post-type jig, and the levelness of the jig is ± 1 mm.
8. The method of constructing a hatch cover for an access system as claimed in claim 1, wherein the centerline of the hatch cover plate coincides with the centerline of the jig frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814621.9A CN112078755A (en) | 2020-08-13 | 2020-08-13 | Method for constructing hatch cover of channel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010814621.9A CN112078755A (en) | 2020-08-13 | 2020-08-13 | Method for constructing hatch cover of channel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112078755A true CN112078755A (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010814621.9A Pending CN112078755A (en) | 2020-08-13 | 2020-08-13 | Method for constructing hatch cover of channel system |
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| CN (1) | CN112078755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123487A (en) * | 2022-07-25 | 2022-09-30 | 广州黄船海洋工程有限公司 | Integrated hoisting deformation control installation method for hatch coaming of translational hatch cover of bulk cargo ship |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH111194A (en) * | 1997-06-11 | 1999-01-06 | Shikoku Dock Kk | Building method for vessel having middle deck hatch cover |
| CN201824202U (en) * | 2010-07-27 | 2011-05-11 | 沪东中华造船(集团)有限公司 | Device for producing large-sized hinge eye plate of ship |
| CN102596702A (en) * | 2009-08-20 | 2012-07-18 | 智能工程(巴哈马)有限公司 | Improved hatchcover |
| CN102756790A (en) * | 2012-08-01 | 2012-10-31 | 舟山永锦船舶配件制造有限公司 | Process for manufacturing ship hatch cover of ten-thousand-tonnage container ship |
| CN102975817A (en) * | 2012-11-06 | 2013-03-20 | 大连船舶重工船业有限公司 | Integral installation technology method of folding hatch cover and hatch coaming |
| CN103302449A (en) * | 2012-03-09 | 2013-09-18 | 舟山永锦船舶配件制造有限公司 | Process for manufacturing hatch cover of 9500t multipurpose ship |
| CN105752266A (en) * | 2016-02-29 | 2016-07-13 | 上海外高桥造船有限公司 | Technological method for large-ship segmented shafting boring installation |
| CN106314688A (en) * | 2016-08-31 | 2017-01-11 | 山东丛林凯瓦铝合金船舶有限公司 | Hatch for marine watertight cabin |
-
2020
- 2020-08-13 CN CN202010814621.9A patent/CN112078755A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH111194A (en) * | 1997-06-11 | 1999-01-06 | Shikoku Dock Kk | Building method for vessel having middle deck hatch cover |
| CN102596702A (en) * | 2009-08-20 | 2012-07-18 | 智能工程(巴哈马)有限公司 | Improved hatchcover |
| CN201824202U (en) * | 2010-07-27 | 2011-05-11 | 沪东中华造船(集团)有限公司 | Device for producing large-sized hinge eye plate of ship |
| CN103302449A (en) * | 2012-03-09 | 2013-09-18 | 舟山永锦船舶配件制造有限公司 | Process for manufacturing hatch cover of 9500t multipurpose ship |
| CN102756790A (en) * | 2012-08-01 | 2012-10-31 | 舟山永锦船舶配件制造有限公司 | Process for manufacturing ship hatch cover of ten-thousand-tonnage container ship |
| CN102975817A (en) * | 2012-11-06 | 2013-03-20 | 大连船舶重工船业有限公司 | Integral installation technology method of folding hatch cover and hatch coaming |
| CN105752266A (en) * | 2016-02-29 | 2016-07-13 | 上海外高桥造船有限公司 | Technological method for large-ship segmented shafting boring installation |
| CN106314688A (en) * | 2016-08-31 | 2017-01-11 | 山东丛林凯瓦铝合金船舶有限公司 | Hatch for marine watertight cabin |
Non-Patent Citations (3)
| Title |
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| 刘靖峤: "跳板本体铰链中心线精度控制研究", 《船舶与海洋工程》 * |
| 田勤国: "舱口盖结构的加工与安装", 《造船技术》 * |
| 闫焱: "德国15500t多用途集装箱船舱口盖制造工艺", 《江苏船舶》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123487A (en) * | 2022-07-25 | 2022-09-30 | 广州黄船海洋工程有限公司 | Integrated hoisting deformation control installation method for hatch coaming of translational hatch cover of bulk cargo ship |
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Application publication date: 20201215 |