CN102233473B - Assembling and welding process for plate unit of ship - Google Patents
Assembling and welding process for plate unit of ship Download PDFInfo
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- CN102233473B CN102233473B CN 201010160466 CN201010160466A CN102233473B CN 102233473 B CN102233473 B CN 102233473B CN 201010160466 CN201010160466 CN 201010160466 CN 201010160466 A CN201010160466 A CN 201010160466A CN 102233473 B CN102233473 B CN 102233473B
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Abstract
The invention mainly discloses an assembling and welding process for a plate unit of a ship, and mainly relates to an assembling and welding process for a bottom plate and a corresponding longitudinal stiffening rib, for a bilateral web plate and a corresponding longitudinal stiffening rib as well as for a top plate and a transverse stiffening rib. The process is characterized by comprising the following steps of: before the bottom plate, the bilateral web plate, the longitudinal stiffening ribs, the top plate and the transverse stiffening rib of the plate unit are mounted, manufacturing a marking-off steel sample band in advance; marking off at a mounting position; assembling the plate unit according to the marking-off position; and welding the assembled and molded plate unit. The invention has the advantages that: when the plate unit is mounted, a steel plate sample band which is marked with scales is manufactured in advance, and then the plate unit is accurately positioned according to the steel plate sample band, so that the plate unit can be accurately mounted, and a good basis is provided for the accuracy of a plate unit framework.
Description
Technical field
The present invention relates to a kind of boats and ships assembling and welding process, be specifically related to adopt base plate line steel batten to cooperate assembling, and on special-purpose moulding bed, adopt and weld automatically boats and ships plate unit.Special-purpose moulding bed is provided with the convex curve reversible deformation, have compress, locking and swing function.Guarantee that boats and ships plate unit accurately assembles, improves welding quality and welding efficiency, and effectively control welding deformation.
Background technology
Present plate unit assembling and welding process is the assembler by the figure size installation ribbed stiffener of on the outside plate of correspondence, ruling, and on Yuanping City's moulding bed, welds then.The drawback of plate unit assembling and welding process is at present: the batten line of need not ruling can cause artificial line error and line accumulated error, and member is installed inaccurate, makes troubles to closing up three dimensional unit; Welding quality and efficient do not reach requirement, increase firer's workload.
Summary of the invention
Main task of the present invention is to provide a kind of boats and ships plate unit assembling and welding process, be specifically related to a kind of have assembling accurately, improve welding quality and efficient, effectively control the boats and ships plate unit assembling and welding process of welding deformation.
In order to solve above technical problem; The assembling and welding process of a kind of boats and ships plate of the present invention unit is mainly between its corresponding longitudinal stiffener of base plate and bilateral web difference, and assembling and welding procedure between top board and its transverse stiffener; It is characterized in that: before the installation between the base plate of plate unit, bilateral web, longitudinal stiffener, top board, transverse stiffener; Formulate line steel batten earlier in advance, the line in the installation site, and the assembling of plate unit is carried out in position to the layout line; Then the plate unit after the assembling moulding is welded.
Further, the molded breadth and the width centreline of base plate should be arranged on the said base plate line steel batten, beam section width centreline, theoretical length and length are divided center line, and member is installed Molded Line and thickness line.
Further; The application process of said base plate line steel batten in the assembling of plate unit is: ruling with base plate, the steel batten is found out steel material width center or length is divided center line; The compensation rate and the cutting deviation of steel material width or length direction are evenly divided toward both sides; Mark the framework installation site with the steel scriber then, and the snap the line installation is put more energy into vertically; The position line and beam section width centreline that wouldn't installation component should be developed and printed at the center of stamping; The line of the line requirement of top board and base plate requires identical, and hookup wire is a transverse stiffener; Bilateral web line steel batten short transverse need not divided center line, serves as the line starting point with the web end opening, and cutting deviation is placed on suitable for reading, and all the other line operations are identical with base plate.
Further, saidly put more energy into vertically that every lath all should be to same direction with 1% slope inclination when mounted.
Further, said welding procedure adopts CO
2Automatically weld and manual joint welding dual mode; Said manual joint welding is with J507 Φ 4 welding rods, and non-commissure must not the starting the arc, must not joint welding in the 30mm scope of end, and foot welding height 4mm, weld length 50～100mm, spacing 400～600mm, joint welding is in acute angle one side.More than require to be meant the joint welding requirement when ribs welds with relevant outside plate dress; Said CO
2Automatically the welding of ship type position is got in weldering, welds obtuse angle one side of not joint welding earlier, and two ends are soldered to head entirely, and postwelding is rocked to the ship type position of opposite side, after inspection and the processing joint welding weld is accepted, carries out CO
2Automatically weldering; When vertically put more energy in two in welding automatically, need packet header weldering place to need corner cut or carbon to dig and scratch the weldering of dark 5mm packet header.
Further, in the said welding procedure,, when being lower than 5 ℃, environment temperature to carry out The pre-heat treatment for the steel plate of thickness of slab δ=24～31; For the steel plate of δ >=32, all to carry out The pre-heat treatment.
Further, said preheat temperature is 80 ℃～120 ℃.
The invention has the advantages that: when carrying out the installation of plate unit, formulate earlier the steel plate batten of finishing scale in advance, accurately locate according to the steel plate batten then, realize accurately installing, for the accuracy of plate unit architecture provides good basis; In addition, during welding, adopt manual joint welding and be welded in special use automatically to be provided with the convex curve reversible deformation, have and compress, weld on the moulding bed of locking and swing function, guaranteed welding quality, welding efficiency, effectively controlled welding deformation.
The specific embodiment
Boats and ships plate unit dress weldering among the present invention is meant between base plate and its corresponding longitudinal stiffener of bilateral web difference, and assembling and welding job between top board and its transverse stiffener, and more than the dress weldering generally all is on general flat-tyre frame, to carry out.Concrete technology is following:
At first, carry out the assembly work of boats and ships plate unit, before this work is carried out, need the steel of preparation line earlier batten, for the line of installation site is prepared.
The concrete preparation of said line steel batten is following: the molded breadth and the width centreline of base plate should be arranged on the base plate line steel batten, and beam section width centreline, theoretical length and length are divided center line, and member is installed Molded Line and thickness line.Find out steel material width center or length is divided center line with base plate line steel batten, the compensation rate of steel material width or length direction and cutting deviation are evenly divided toward both sides, mark the framework installation site with the steel scriber then, and the snap the line installation is put more energy into vertically.The position line and beam section width centreline that wouldn't installation component should be developed and printed at the center of stamping.The line of the line requirement of top board and base plate requires identical, and just hookup wire institute mounted component has changed transverse stiffener into.
Bilateral web line steel batten short transverse need not divided center line, serves as the line starting point with the web end opening, and cutting deviation is placed on suitable for reading, and all the other line operations are identical with base plate.Line and installment work can place on the platform or on the general flat-tyre frame to be carried out, and installing should be with the accuracy of line steel batten check member installation site after finishing.
When carrying out above-mentioned assembling, for cooperating automatic weldering, vertically putting more energy into, every lath all should be to same direction with 1% slope inclination when mounted.
After assembly work is accomplished, next be that each parts to the plate unit weld fixing.Welding divides manual joint welding and CO
2Automatically weld two kinds of methods.But,, when being lower than 5 ℃, environment temperature to carry out The pre-heat treatment for the steel plate of thickness of slab δ=24～31 no matter adopt which kind of welding method; For the steel plate of δ >=32, all to carry out The pre-heat treatment.80 ℃～120 ℃ of preheat temperatures, pre-heating mean are crawler type electrical heating piece, and temp measuring method is conventional according to general preheating thermometric.
Generally speaking, during each parts of welded plate unit, being welded as elder generation automatically, after manual joint welding is.To the longitudinal stiffener between base plate and two coxostermums, the concrete welding as follows: adopt CO earlier
2Automatic welding method is got the welding of ship type position, welds a side at its obtuse angle earlier, and two ends are soldered to head entirely, and postwelding is rocked to the ship type position of opposite side, after inspection and the processing joint welding weld is accepted, carries out CO
2Automatically weldering.The two of vertically putting more energy into needs packet header weldering place to need corner cut or carbon to dig to scratch the weldering of dark 5mm packet header.Postwelding inspection and processing welding lines quality problems.
Acute angle one side to automatic weldering is not welded is carried out manual joint welding, and manual joint welding is with J507 Φ 4 welding rods, and non-commissure must not the starting the arc, must not joint welding in the 30mm scope of end, and foot welding height 4mm, weld length 50～100mm, spacing 400～600mm.Joint welding is in acute angle one side, and obtuse angle one side must not joint welding, as automatic weldering ship type position weldering side earlier.
Putting more energy into because of having only laterally in the top board unit, can not consider above-mentioned requirements, directly gets final product by the routine welding.
After above-mentioned dress welder does to accomplish, with the plate unit of prepackage weldering stand up put flat, sheet material transverse plane degree in each 1m scope of check two ends, Deviation Control is in the 1mm scope, overproof person must correct, and preferentially adopts cold squaring method.
The preparatory assembly unit work of base plate is through check and correct can be by routine requirement drilling after qualified, send big group of moulding bed to carry out the three dimensional unit assembling then.
Web unit preoutfitting weldering is through check and correct qualified back drilling, and the enterprising andante of group flat-tyre frame unit is adorned and welded in sending then.
Claims (5)
1. the assembling and welding process of a boats and ships plate unit; Be mainly base plate and bilateral web respectively between its corresponding longitudinal stiffener; And assembling and welding procedure between top board and its transverse stiffener; It is characterized in that: before the installation between the base plate of plate unit, bilateral web, longitudinal stiffener, top board, transverse stiffener, formulate line steel batten earlier in advance and rule, and the assembling of plate unit is carried out in position to the layout line in the installation site; Then the plate unit after the assembling moulding is welded on special-purpose moulding bed;
Molded breadth and width centreline that base plate should be arranged on the base plate line steel batten; Beam section width centreline, theoretical length and length are divided center line, and member is installed Molded Line and thickness line; The application process of said base plate line steel batten in the assembling of plate unit is: ruling with base plate, the steel batten is found out steel material width center or length is divided center line; The compensation rate and the cutting deviation of steel material width or length direction are evenly divided toward both sides, mark the framework installation site with the steel scriber then, and the snap the line installation is put more energy into vertically; The position line and beam section width centreline that wouldn't installation component should be developed and printed at the center of stamping; The line of the line requirement of top board and base plate requires identical, and hookup wire is a transverse stiffener; Bilateral web line steel batten short transverse need not divided center line, serves as the line starting point with the web end opening, and cutting deviation is placed on suitable for reading, and all the other line operations are identical with base plate.
2. the assembling and welding process of a kind of boats and ships plate according to claim 1 unit is characterized in that: saidly put more energy into vertically that every lath all should be to same direction with 1% slope inclination when mounted.
3. the assembling and welding process of a kind of boats and ships plate according to claim 1 unit is characterized in that: said welding procedure adopts CO
2Automatically weld and manual joint welding dual mode; Said manual joint welding is with J507 Φ 4 welding rods, and non-commissure must not the starting the arc, must not joint welding in the 30mm scope of end; Foot welding height 4mm, weld length 50～100mm, spacing 400～600mm; Joint welding more than requires to be meant the joint welding requirement when ribbed stiffener welds with relevant outside plate dress in acute angle one side; Said CO
2Automatically the welding of ship type position is got in weldering, welds obtuse angle one side of not joint welding earlier, and two ends are soldered to head entirely, and postwelding is rocked to the ship type position of opposite side, after inspection and the processing joint welding weld is accepted, carries out CO
2Automatically weldering; When vertically put more energy in two in welding automatically, need packet header weldering place to need corner cut or carbon to dig and scratch the weldering of dark 5mm packet header.
4. the assembling and welding process of a kind of boats and ships plate according to claim 1 unit is characterized in that: in the said welding procedure, for the steel plate of thickness of slab δ=24～31, will carry out The pre-heat treatment when environment temperature is lower than 5 ℃; For the steel plate of δ >=32, all to carry out The pre-heat treatment.
5. the assembling and welding process of a kind of boats and ships plate according to claim 4 unit is characterized in that: said preheat temperature is 80 ℃～120 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010160466 CN102233473B (en) | 2010-04-30 | 2010-04-30 | Assembling and welding process for plate unit of ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010160466 CN102233473B (en) | 2010-04-30 | 2010-04-30 | Assembling and welding process for plate unit of ship |
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| Publication Number | Publication Date |
|---|---|
| CN102233473A CN102233473A (en) | 2011-11-09 |
| CN102233473B true CN102233473B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010160466 Expired - Fee Related CN102233473B (en) | 2010-04-30 | 2010-04-30 | Assembling and welding process for plate unit of ship |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102974951B (en) * | 2012-12-06 | 2014-07-23 | 江苏润邦重工股份有限公司 | Manufacturing process of hatch cover with inclined seal plate |
| CN103506763A (en) * | 2012-12-28 | 2014-01-15 | 沪东重机有限公司 | Manufacturing method of welding type cylinder block of marine diesel engine |
| CN103143904B (en) * | 2013-03-27 | 2015-03-25 | 江苏润邦重工股份有限公司 | Making process of stainless steel rubber channel |
| CN103317247B (en) * | 2013-07-09 | 2015-07-22 | 上海华润大东船务工程有限公司 | Backwater welding process and determining method thereof |
| CN103407545A (en) * | 2013-08-20 | 2013-11-27 | 南通中新钢构重工有限公司 | Fabrication technique of bed-jig |
| CN104050357B (en) * | 2014-05-19 | 2017-02-22 | 浙江工业大学 | Hull structure weld leg height determination method based on finite element analysis |
| CN105436674A (en) * | 2016-01-13 | 2016-03-30 | 上海振华重工(集团)股份有限公司 | Full penetration welding process |
| CN109108507A (en) * | 2017-06-23 | 2019-01-01 | 伊犁优创锅炉制造有限公司 | A kind of welding method that large-scale storage tank bottom plate renews |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57199577A (en) * | 1981-06-03 | 1982-12-07 | Nippon Kokan Kk <Nkk> | Production of 21/4cr-1mo welded steel pipe |
| CN100443231C (en) * | 2006-11-10 | 2008-12-17 | 沪东中华造船(集团)有限公司 | Methods for installing and welding three-facet rubber tiles on liquidized natural gas ship |
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