CN110480197A - The production method of ultra-large type slab cross box-type member - Google Patents
The production method of ultra-large type slab cross box-type member Download PDFInfo
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- CN110480197A CN110480197A CN201910674850.2A CN201910674850A CN110480197A CN 110480197 A CN110480197 A CN 110480197A CN 201910674850 A CN201910674850 A CN 201910674850A CN 110480197 A CN110480197 A CN 110480197A
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- welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Optics & Photonics (AREA)
- Metal Rolling (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of production method of ultra-large type slab cross box-type member, production rolling mould and anti-welding deformation mould；First cross case endosternum and wing plate are assembled, constitute intersecting parallels component after fixed；Well word member front end, rear end are fixed respectively to be set with a rolling mould；Anti-welding deformation mould is inserted on the outside of cross case wing plate in notch, and anti-welding deformation mould supports notch；Endosternum weld seam is symmetrically welded using heat input small CO2 gas shielded arc welding automatic vehicle, rotation rolling mould adjustment construction position while welding；The outer web of spelling cross box, and carry out outer web welding；After cross box integral solder is complete, after component slow cooling to room temperature, by under the disassembly of anti-deformation mould, the present invention is reduced the use of crane, saves the time, improved work efficiency using dedicated handling rolling mould；The dimensional accuracy for preferably controlling the deformation and assembly in process, standardize manufacturing process more, cost is lower, and precision is more acurrate.
Description
Technical field
The invention belongs to building structure constructing technologies, and in particular to the production method of ultra-large type slab cross box-type member.
Background technique
It in ultra-large type slab cross box-structure, is composed of two groove profiles and a mu character shape box, due to
Monomer groove profile and mu character shape are eccentric component, are deformed in the welding process larger, it is difficult to control, subsequent reparation amount also compared with
Greatly, and the assembling quality of component entirety is directly affected.Its structure of such ultra-large type slab cross box is special, and lifting is also without special
With suspender, handling is extremely inconvenient, influences the producing efficiency of component, and there are biggish security risks.
Usually during making ultra-large type slab cross box-structure, have the following deficiencies: that 1) prior art is straight
Two monomer groove profiles of processing and a mu character shape box are connect, then two groove profiles are combined into cross box with mu character shape and are welded,
Its welding deformation is larger, repairs difficulty, and efficiency is lower.2) prior art props up the groove profile of spelling and mesh font in inboard plus tiltedly
Support, though can control a part of welding deformation, lateral bending is larger, and is soldered and cuts away bearing diagonal, time-consuming and laborious, Er Qiedan
Body production process is more, increases the number of handling, reduces the efficiency of processing.Therefore existing ultra-large type slab cross box
There is very big problems for structure construction, cause the waste of process and the waste of material and manpower, producing efficiency is relatively low, and shape is not
At standardized processing.
Summary of the invention
The technical problem to be solved by the present invention is existing ultra-large type slab cross case welding deformation is larger, waste of material
Problem.
To solve the above problems, concrete scheme provided by the invention is:
A kind of production method of ultra-large type slab cross box-type member, includes the following steps:
1) production periphery is round, the intermediate rolling mould for being equipped with cross case fixation hole, the fixed pore size of cross case according to
The sectional dimension of cross box-type member is arranged；Make the anti-welding deformation mould that section is in ⊥ type, anti-welding deformation mould upside
With cross case wing plate pitch match；
2) first cross case endosternum and wing plate are assembled, constitutes intersecting parallels component after fixed；
3) cross box front end, rear end are set with a rolling mould, cross case mounting hole and cross case wing plate gap
In insert wedge by intersecting parallels component be fixed on rolling mould in；Anti-welding deformation mould is inserted on the outside of cross case wing plate in notch,
Anti-welding deformation mould supports notch；
4) endosternum weld seam is symmetrically welded using heat input small CO2 gas shielded arc welding automatic vehicle, rotation is turned over
Roll mould adjustment construction position while welding；
5) the outer web of spelling cross box, and carry out outer web welding；
It 6), will be under the disassembly of anti-deformation mould after component slow cooling to room temperature after cross box integral solder is complete.
The present invention is reduced the use of crane, is saved the time using dedicated handling rolling mould, improves work effect
Rate；The dimensional accuracy for preferably controlling the deformation and assembly in process, standardize manufacturing process more, cost
Lower, precision is more acurrate.
When carrying out 4) step welding endosternum, concrete operations are as follows: (1) when 1. area is welded to the 1/3 of groove to weld seam, stop
Only weld；(2) weld seam for then welding 2. area stops welding when 2. area is welded to the 1/3 of groove to weld seam；(3) rolling is pushed
Mould makes its rotation, and adjustment intersecting parallels component is the area ③④ weld seam level state upward, and mould bottom of rolling is solid with correcting wedge
It is fixed；(4) when 4. area is welded to the 1/3 of groove to weld seam, stop welding；(5) weld seam for then welding 3. area, when weld seam 3. weld by area
When being connected to the 1/3 of groove, stop welding；(6) rolling mould, adjustment intersecting parallels component to the area ①② weld seam level shape upward are pushed
State fixes rolling mould with correcting wedge again.(1)~(5) process is repeated, weld groove welds 1/3 depth every time and stops
Only, then one of weld seam is welded down, until the welding of each area's weld seam is completed.
Present invention employs the methods of substep integral assembly welding, assist the reinforcing mould of anti-welding deformation, are effectively controlled
The welding deformation of ultra-large type slab cross box-structure welding, saves expense caused by due to repairing welding deformation.
Detailed description of the invention
Fig. 1 is rolling positioner structure figure；
Fig. 2 is anti-deformation positioner structure figure；
Fig. 3 is anti-deformation mould top view；
Fig. 4 is intersecting parallels component diagram；
The rolling handling of Fig. 5 ultra-large type slab cross box-type member and anti-deformation mould installation diagram；
Fig. 6 is the side view based on Fig. 5；
Fig. 7 is adjustment cross case construction position while welding schematic diagram.
Specific embodiment
Ultra-large type slab cross box-structure, the commonly used main structure form in current architecture configuration.Own
It is to be composed of two groove profiles and a mu character shape box, since monomer groove profile and mu character shape are eccentric component, is welding
It is deformed in termination process larger, it is difficult to control, subsequent reparation amount is also larger, due to being welding deformation program on the outside of cross boxboard face
Directly affect the assembling quality of component entirety.Furthermore ultra-large type slab cross box is turned over again since load-carrying is big by hanging device
Body welding is not easy very much, and hidden danger is very big.Need to provide a kind of turn tool without hanging device.
Technical solution of the present invention is described in detail in 1-7 with reference to the accompanying drawing, and attached drawing, which is only demonstrated by invention and compares, representative
Property an example, should not become ultra-large type slab cross box-structure production method scheme limit.
The present invention provides the anti-welding deformations of rolling mould 1 and limitation cross case wing plate deformation for turning in structure
Mould 4.As shown in Figure 1, rolling mould 1 is made of a circular steel plate, steel plate sets cross in mould for installing fixed cross case
Shape fixation hole 3,3 size of cross case fixation hole are arranged according to the section of ultra-large type slab cross box.Fixation hole is slightly larger than cross
Case, part size difference is compensated by wedge 7 when fixed.By being inserted into wedge 7 in cross case fixation hole 3 and 5 gap of wing plate
Fix intersecting parallels component.As shown in Figure 1, the cross case fixation hole 3 includes upper notch 31, lower notch 33,34 and of left notch
Right notch 32, for the overall weight for mitigating rolling mould 1, notch and pocket side wall are equipped with angle of chamfer.It is also set up on rolling mould 1
Four holes for hoist 2, need whole flat when hanging, and lifting device Lift hook directly hangs on the hole for hoist 2.
As shown in Figure 2,3, anti-welding deformation mould 4 is the steel member that section is ⊥ type, and upside is narrow, and downside is wide, upside
Width is matched with 5 spacing dimension of cross case wing plate.The cross case wing plate 5 of standard is parallel, and 5 spacing of wing plate of the present invention is practical
The upper width equal to endosternum 6.
The cross case component construction that the present invention records is carried out using above two mould, specific as follows:
A kind of production method of ultra-large type slab cross box-structure, follows these steps to carry out:
The first step, referring to Fig.1, Fig. 2, pre-production periphery are circle, and centre is equipped with the rolling mould 1 of mounting hole；In advance
Make the anti-welding deformation mould 4 that section is in ⊥ type.
Second step first assembles cross case endosternum 6 and wing plate 5, constitutes intersecting parallels component after fixed.Well word component is as schemed
Shown in 4.
Third step, well word member front end, rear end are set with a rolling mould 1, cross case mounting hole 3 and the cross case wing
It inserts wedge 7 in sheet separation intersecting parallels component is fixed in rolling mould 1；Anti-welding deformation mould 4 is inserted into outside cross case wing plate 5
In side channel mouth, anti-welding deformation mould 4 supports notch, after installation as shown in Figure 5,6.Intersecting parallels component is to be fixed on rolling mould
In 1, and the mould 1 that rolls is arranged on tire platform, and 8 settling position of correcting wedge is arranged by bottom.The welding of endosternum 6 is related to four
A weld metal zone when needing to exchange position while welding, then pushes rolling mould 1 to rotate on tire platform, thus realize that cross case turns over,
The weld seam for needing to weld is turned into side above, erecting and welding trolley.Rolling mould 1 of the invention makes construction not need to use hanging device
It is hanging to turn over.
4th step is symmetrically welded 6 weld seam of endosternum using the small CO2 gas shielded arc welding automatic vehicle of heat input.
When other weld seams are welded in transformation, it is related to the turn of cross case,
5th step, the outer web of spelling cross box, and carry out outer web welding；
6th step, will be under the disassembly of anti-deformation mould after component slow cooling to room temperature after cross box integral solder is complete.
The process of this ultra-large type slab cross box is understood referring to shown in attached drawing 5-7.It is provided by the invention above-mentioned to apply
Work method, when carrying out 4) step cross box welding, Detailed operating procedures are as follows:
(1) when 1. area is welded to the 1/3 of groove to weld seam, stop welding；(2) weld seam for then welding 2. area, works as weld seam
2. area is welded to the 1/3 of groove, stop welding；(3) rolling mould is pushed to make its rotation, adjustment intersecting parallels component is the area ③④
Weld seam level upward fixed with correcting wedge by state, rolling mould bottom；(4) when 4. area is welded to the 1/3 of groove to weld seam, stop
Only weld；(5) weld seam for then welding 3. area stops welding when 3. area is welded to the 1/3 of groove to weld seam；(6) rolling is pushed
Mould, adjustment intersecting parallels component to the area ①② weld seam level state upward are fixed with the correcting wedge mould that makes to roll again.It repeats
(1)~(5) process, weld groove welds the stopping of 1/3 depth every time, then welds down one of weld seam, until the welding of each area's weld seam is completed.
The present invention solves the problems, such as that ultra-large type slab cross box welding deformation is larger and handling of rolling.It is whole using substep
The method of body group weldering, assists the reinforcing mould of anti-welding deformation, keeps the deformation in welding process smaller, even without deformation, protects
The production precision for having demonstrate,proved component saves the extensive work for repairing welding deformation；Using dedicated handling rolling mould, reduce
The use of crane, saves the time, improves work efficiency, and cost of manufacture greatly reduces.
Claims (2)
1. a kind of production method of ultra-large type slab cross box-type member, includes the following steps:
1) production periphery is round, the intermediate rolling mould for being equipped with cross case fixation hole, and the fixed pore size of cross case is according to cross
The sectional dimension of box-type member is arranged；Make the anti-welding deformation mould that section is in ⊥ type, anti-welding deformation mould upside and ten
Word case wing plate pitch match；
2) first cross case endosternum and wing plate are assembled, constitutes intersecting parallels component after fixed；
3) cross box front end, rear end are set with a rolling mould, insert in cross case mounting hole and cross case wing plate gap
Intersecting parallels component is fixed in rolling mould by wedge；Anti-welding deformation mould is inserted on the outside of cross case wing plate in notch, anti-welding
Connect deformation mould support notch；
4) endosternum weld seam is symmetrically welded using heat input small CO2 gas shielded arc welding automatic vehicle, rotation rolling tire
Tool adjustment construction position while welding；
5) the outer web of spelling cross box, and carry out outer web welding；
It 6), will be under the disassembly of anti-deformation mould after component slow cooling to room temperature after cross box integral solder is complete.
2. the production method of ultra-large type slab cross box-type member according to claim, it is characterized in that: carrying out the 4) step
When welding endosternum, concrete operations are as follows:
(1) when 1. area is welded to the 1/3 of groove to weld seam, stop welding；
(2) weld seam for then welding 2. area stops welding when 2. area is welded to the 1/3 of groove to weld seam；
(3) rolling mould is pushed to make its rotation, adjustment intersecting parallels component is the area ③④ weld seam level state upward, mould bottom of rolling
Portion is fixed with correcting wedge；
(4) when 4. area is welded to the 1/3 of groove to weld seam, stop welding；
(5) weld seam for then welding 3. area stops welding when 3. area is welded to the 1/3 of groove to weld seam；
(6) rolling mould is pushed, adjustment intersecting parallels component makes to turn over correcting wedge again to the area ①② weld seam level state upward
Rolling mould is fixed.(1) to (5) process is repeated, weld groove welds the stopping of 1/3 depth every time, then welds down one of weld seam, until each
Weld seam welding in area's is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910674850.2A CN110480197B (en) | 2019-07-25 | 2019-07-25 | Manufacturing method of super-large thick plate cross box type component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910674850.2A CN110480197B (en) | 2019-07-25 | 2019-07-25 | Manufacturing method of super-large thick plate cross box type component |
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| CN110480197A true CN110480197A (en) | 2019-11-22 |
| CN110480197B CN110480197B (en) | 2021-06-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745338A (en) * | 2020-06-08 | 2020-10-09 | 北京城建集团有限责任公司 | Thick plate cross-shaped welding seam welding structure for assembly type steel structure building |
| CN114799410A (en) * | 2022-05-06 | 2022-07-29 | 南通中远海运船务工程有限公司 | Forming process of ultra-large marine flange |
| CN114987678A (en) * | 2022-07-08 | 2022-09-02 | 上海外高桥造船有限公司 | Mutually-embedded welding assembly and ship comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114987678A (en) * | 2022-07-08 | 2022-09-02 | 上海外高桥造船有限公司 | Mutually-embedded welding assembly and ship comprising same |
| CN114987678B (en) * | 2022-07-08 | 2023-12-15 | 上海外高桥造船有限公司 | Mutually embedded welding assembly and ship comprising same |
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| CN110480197B (en) | 2021-06-29 |
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