CN104625318B - Device and method for controlling suspension welding seam root gap and welding deformation in self-supporting mode - Google Patents
Device and method for controlling suspension welding seam root gap and welding deformation in self-supporting mode Download PDFInfo
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- CN104625318B CN104625318B CN201410840756.7A CN201410840756A CN104625318B CN 104625318 B CN104625318 B CN 104625318B CN 201410840756 A CN201410840756 A CN 201410840756A CN 104625318 B CN104625318 B CN 104625318B
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- rigidity briquetting
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- grooving
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Classifications
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a device and method for controlling a suspension welding seam root gap and welding deformation in a self-supporting mode. The device comprises a positioning block, upper rigid press blocks, a lower rigid press block and a forming groove. The positioning block comprises a positioning block body and a positioning part, wherein the positioning part penetrates through the seam root gap and is embedded in the forming groove. The upper rigid press blocks are symmetrically installed on the two sides of the positioning block body, the lower rigid press block is provided with provided with an inward-concave part matched with the forming groove, and the forming groove is formed in the inward-concave part. Magnets are installed in the upper rigid press blocks and the lower rigid press block. The invention further discloses the method with the device for controlling the suspension welding seam root gap and the welding deformation in the self-supporting mode used. The device for controlling the suspension welding seam root gap and the welding deformation in the self-supporting mode is convenient to use, low in cost and high in adaptation, the transverse retraction and staggered edges of a welding seam can be controlled, the welding deformation can be reduced, and it can be ensured that the back face of the welding seam is good in formation.
Description
Technical field
The invention belongs to ship welding equipment technical field, and in particular to self-supporting controls hanging root gap of weld and welding deformation
Apparatus and method.
Background technology
Both at home and abroad high-speed ship is mainly formed using Welded, because aluminium alloy is in two or three hundred degrees Celsius of temperatures above
Elastic modelling quantity and yield strength very little, non-deformability is poor；And the thermal conductivity of aluminum alloy materials, thermal coefficient of expansion are big, weldering
High-temperature region wider range is connect, welding stress, deformation ratio are larger, the overhead positions welding such as cause these aluminum hull groups stand, close up
When, weld seam cross-direction shrinkage amount and welding deformation amount are much larger than steel segmentation, and aluminum Ship Structure postwelding needs to be rectified
Shape process.In addition, the hull overhead positions welding is mainly using the silk filling deep penetration welding of high current TIG, back of weld need to weld larger
Size weld seam, then using emery wheel manual grinding into needing size and pattern.This welding procedure can produce larger welding and become
Shape, wastes a large amount of wldings and human and material resources, reduces efficiency of construction, and the root of weld is difficult to be polished into needs shape, it will drop
The bearing capacity of low welding point.
It is auxiliary to carry out using welding equipment card code, the reinforcement method such as aluminum corner brace and spot welding in actual production to solve the above problems
Help welding.These technologies can to a certain extent control welding deformation, but effect is general, and main cause is that rigid constraint is not enough.
The card code and reinforcement aluminum corner brace of welding equipment is also performed to postwelding polishing and removes, and can damage hull surface, affects attractive in appearance and performance；And
And, the method is unable to the misalignment problem of effective control weld seam, when segmentation weld seam is longer, it may appear that is segmented the problems such as folding side and affects
Hull group is stood and is closed up.During penetration fustion welding, treat that the root of weld will keep certain interval, it is impossible to excessive or too small.In welding process
The thermal expansion of weld seam position causes to treat that root gap of weld constantly reduces with contraction, needs solid point weld seam to be limited.Entirely
Welding process due to tack welding, card code and aluminum corner brace welding equipment with remove, back of weld polishing shaping, the postwelding extra work such as orthopedic
Sequence, greatly reduces production efficiency.
The content of the invention
Present invention aims to above-mentioned existing problems and deficiency, there is provided self-supporting controls hanging root gap of weld
And the apparatus and method of welding deformation.
The goal of the invention of the present invention is achieved through the following technical solutions：
Self-supporting controls the device of hanging weld gap and welding deformation, including locating piece, top rigidity briquetting, bottom are firm
Property briquetting and grooving, the locating piece includes positioning block main body and location division；The location division passes through root gap of weld simultaneously
In insert molding groove；The top rigidity briquetting is symmetrically installed on positioning block main body both sides, and the bottom rigidity briquetting has
The inner fovea part matched with grooving, the grooving is arranged in inner fovea part；In the top rigidity briquetting, bottom rigidity briquetting
Portion is provided with Magnet.
Preferably, the location division includes the first order protuberance being located in positioning block main body, the first order protuberance
In being entrenched in root gap of weld；The location division also comprising the second level protuberance on the first order protuberance, it is described into
Shape groove middle part is provided with groove, and the groove is provided with stopper slot, and the second level protuberance is entrenched in stopper slot.Preferably, institute
The shape and root gap of weld for stating first order protuberance matches, and the shape of the stopper slot is matched with second level protuberance.
Preferably, the locating piece, top rigidity briquetting, bottom rigidity briquetting, connecing between grooving and hull wallboard
Contacting surface is plane or curved surface.
Preferably, the locating piece, top rigidity briquetting, bottom rigidity briquetting are hollow structure；The grooving is real
Core structure.It is furthermore preferred that the locating piece, top rigidity briquetting, bottom rigidity briquetting are made using aluminum alloy materials；It is described into
Shape groove is made using stainless steel material.
Preferably, it is detachably connected between the top adjacent per side rigidity briquetting, can between adjacent bottom rigidity briquetting
Dismounting connection.It is furthermore preferred that the top rigidity briquetting adjacent per side is connected by pin, adjacent bottom rigidity briquetting passes through pin
Nail connection.
A kind of welding method of the hanging weld seam of hull, using self-supporting of the present invention hanging root gap of weld and welding are controlled
The device welding of deformation, comprises the following steps：
S1, in the equidistant installation locating piece in hull wallboard position to be welded, the location division of locating piece passes through root gap of weld
And it is chimeric with grooving；Top rigidity briquetting is respectively mounted in the both sides of locating piece；
S2, installation grooving so as to chimeric with location division；Bottom rigidity briquetting is installed below in grooving；
S3, from the beginning of the one end at position to be welded, not installing welded seam at locating piece, be often soldered one section of top and rigidly press
The weld seam of block length, locating piece at this section is extracted, and welds the weld seam at the locating piece, and upper and lower part rigidity briquetting retains motionless；Press
All weld seams are welded according to the step, and has waited weld seam temperature to be reduced to after room temperature, then removed upper and lower part respectively and rigidly pressed
Block.
Preferably, the first order protuberance of locating piece is chimeric with root gap of weld, second level protuberance and grooving
Stopper slot is fitted together to.
Compared with prior art, using self-supporting of the present invention control hanging root gap of weld and welding deformation device and
Welding method has the advantage that：
1st, easy to use, low cost, strong adaptability, can be become with the hanging root gap of weld of self-supporting dynamic control and welding
Shape, can control weld seam cross-direction shrinkage, and misalignment can be controlled again, and can reduce welding deformation, and ensure back of weld into
Shape is good；
2nd, locating piece orientation distance is accurate, easy accessibility, solves traditional a large amount of card codes and strengthens the welding equipment of aluminum corner brace and tear open
Division operation, is greatly improved production efficiency, also reduces the frequent loading, unloading card code of weld job personnel strong with the work of aluminum corner brace
Degree；
3rd, rigidity briquetting in top and the bottom departs from freely, hanging root gap of weld locating effect significantly, welding deformation and misalignment
Control is good, will not damage hull inside and outside surface quality, and high working efficiency significantly improves the reliability of positioning and effectively suppression
Misalignment processed, reduces welding deformation, and welding quality is well ensured；
4th, grooving advantageously ensure that the manual, semi-automatic of high current TIG deep penetration welding method, automatization's single face welding and double face into
Shape technique is smoothed out, and back of weld shaping is attractive in appearance, reduces artificial grinder buffing workload, and wlding is saved in a large number.
Description of the drawings
Fig. 1 is the structural representation of the device that self-supporting of the present invention controls hanging root gap of weld and welding deformation.
Fig. 2 is the structural representation of locating piece.
Fig. 3 is the attachment structure schematic diagram of top rigidity briquetting.
Fig. 4 is the structural representation of bottom rigidity briquetting.
Fig. 5 is the attachment structure schematic diagram of bottom rigidity briquetting.
Fig. 6 is the positioning schematic diagram of locating piece and grooving.
Fig. 7 is part A enlarged diagram in Fig. 6.
Fig. 8 is the device that self-supporting controls hanging root gap of weld and welding deformation used in the embodiment of the present invention 1
Locating piece schematic diagram chimeric with hull wallboard during welding method.
Fig. 9 is the device that self-supporting controls hanging root gap of weld and welding deformation used in the embodiment of the present invention 1
Schematic diagram after the rigidity briquetting of top is installed during welding method.
Figure 10 is the device that self-supporting controls hanging root gap of weld and welding deformation used in the embodiment of the present invention 1
Schematic diagram after bottom rigidity briquetting and grooving is installed during welding method.
Figure 11 is the device that self-supporting controls hanging root gap of weld and welding deformation used in the embodiment of the present invention 2
Schematic diagram after bottom rigidity briquetting and grooving is installed during welding method.
Reference is as follows：
1st, hull wallboard, 21, first order protuberance,
2nd, locating piece, 22, second level protuberance,
3rd, top rigidity briquetting, 51, inner fovea part,
4th, Magnet, 61, groove,
5th, bottom rigidity briquetting, 62, stopper slot,
6th, grooving, 7, pin.
Specific embodiment
In order to be better understood from the present invention, below in conjunction with the accompanying drawings the present invention is further illustrated.
As shown in Figure 1 and Figure 4, self-supporting of the present invention controls the dress of hanging root gap of weld and welding deformation
Put, including locating piece 2, top rigidity briquetting 3, bottom rigidity briquetting 5 and grooving 6, the locating piece 2 includes positioning block main body
And location division, the location division is through in the insert molding groove 6 of root gap of weld 11；The symmetrical peace of the top rigidity briquetting 3
Positioning block main body both sides are mounted in, the bottom rigidity briquetting 5 has the inner fovea part 51 matched with grooving 6, and the grooving 6 is pacified
In being mounted in inner fovea part 51；Magnet 4 is installed inside top rigidity briquetting 3, the bottom rigidity briquetting 5.The location division is used for
Stationary positioned block 2, limits the random slip of locating piece 2 and comes off, it is ensured that the accurate positioning of root gap 11.
Preferably, as depicted in figs. 1 and 2, the location division includes the first order protuberance 21 being located in positioning block main body,
The shape of the first order protuberance 21 matches with root gap of weld 11, and is entrenched in root gap of weld 11.It is more excellent
Choosing, the width of the first order protuberance 21 is identical with the width of root gap of weld 11, and it is highly slightly larger than hull wallboard 1
Thickness of slab；The width of first order protuberance is identical with segmentation root gap of weld width, can overcome molten bath front in welding process
Cause to be segmented the problem that root gap of weld constantly diminishes because of cross-direction shrinkage.In the present invention the locating piece 2 is preferably long
Spend and be 40-60mm, be highly 40-60mm for 40-60mm, width.The width of root gap of weld 11 and first in the present invention
The width of level protuberance 21 is preferably 2-4mm.
It is furthermore preferred that as shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, the location division is also comprising being located on first order protuberance 21
Second level protuberance 22；The middle part of the grooving 6 is provided with groove 61, the groove 61 and is further provided with stopper slot 62, limits
The shape of position groove 62 is matched with second level protuberance 22, and the second level protuberance 22 is entrenched in stopper slot 62.Further
Preferably, grooving 6 is symmetrical along groove 61, and the width of stopper slot 62 is identical with the width of second level protuberance 22, and this causes shaping
Groove 6 is symmetrically distributed in back of weld both sides, symmetrical so as to ensure back of weld shaping.The second level protuberance in the present invention
22 preferred width are 1-2mm, are highly 2-3mm；The preferred length of grooving 6 is 100-120mm, width is 50-70mm, height
Spend for 50-60mm；The preferred width of groove 61 is 1-2mm, is highly slightly less than the length of second level protuberance 22.
Preferably, it is detachably connected between the top adjacent per side rigidity briquetting 3, between adjacent bottom rigidity briquetting 5
It is detachably connected, in order to dismount.It is furthermore preferred that connected by pin between the top rigidity briquetting 3 adjacent per side, it is adjacent
Connected by pin 7 between the rigidity briquetting 5 of bottom.The connection of pin 7 can constitute the rigid constraint band of longer dimension, top and the bottom rigidity
Briquetting can be rotated around pin 7, to adapt to the requirement of ship hull surface molded line.In order to preferably coordinate with locating piece 2, at this
The bright middle and upper part preferred length of rigidity briquetting 3 is 100-120mm, width is 60-80mm, be highly 60-80mm；Rigidly press bottom
The preferred length of block 5 is 100-120mm, width is 160-200mm, be highly 60-80mm.
In order to use cooperatively with top rigidity briquetting 3 and bottom rigidity briquetting 5, the preferred length of Magnet 4 is in the present invention
70-80mm, width are 25-35mm, are highly 25-35mm.The Magnet 4 is switching magnet.The magnetic force that Magnet 4 is produced when opening
Effect, by top and the bottom rigidity briquetting squeezing action is produced to hull wall plate to be welded, and compression treats welding line, produces integral rigidity about
Beam, limits swing, misalignment and the deformation of hull wallboard, adds the collective effect of locating piece 2 and grooving 6, it is ensured that hull
The size of root gap 11 at wallboard position to be welded and staggered edge free occur.Magnet 4 no longer produces magneticaction when closing, and top and the bottom are firm
Property briquetting depart from freely.The size of magnetic force can be selected according to practical situation and adjusted, and this is those skilled in the art institute
It is well known, will not be described here.
In order to mitigate weight, the locating piece 2 can adopt hollow structure.Likewise, the top rigidity briquetting 3 is with
Portion's rigidity briquetting 5 can also adopt hollow structure.Preferably, the locating piece 2 and upper and lower part rigidity briquetting adopt aluminium alloy
The hollow structure of material.It is further preferred that for the ease of lifting carrying, handle can be arranged on the locating piece 2.It is preferred that
, the grooving 6 is solid construction, increases rigidity and beneficial to the radiating of weld seam in welding process, it is ensured that welding effect.It is more excellent
Choosing, the grooving 6 is made using stainless steel material.
Preferably, the locating piece 2, top rigidity briquetting 3, bottom rigidity briquetting 5, between grooving 6 and hull wallboard 1
Contact surface be plane or curved surface.
As seen in figs. 8-10, the weldering of the device of hanging root gap of weld and welding deformation is controlled using self-supporting of the present invention
Method is connect, is comprised the following steps：
S1, locating piece 2 is installed the position to be welded of hull wallboard 1 is equidistant, the location division of locating piece 2 is through between the root of weld
In the insert molding groove 6 of gap 11, in positioning block main body both sides top rigidity briquetting 3 is respectively mounted；
S2, installation grooving 6 so as to chimeric with location division；Bottom rigidity briquetting 5 is installed below in grooving 6；
S3, from the beginning of the one end at position to be welded, welded seam at locating piece 2 be not installed, be often soldered one section of top rigidity
The weld seam of the length of briquetting 3, locating piece at this section 2 is extracted, and welds the weld seam at the locating piece 2, and upper and lower part rigidity briquetting retains not
It is dynamic；All weld seams are welded according to the step, and has waited weld seam temperature to be reduced to after room temperature, then respectively dismounting upper and lower part is firm
Property briquetting.
Preferably, the first order protuberance 21 of locating piece 2 is chimeric with root gap of weld 11, and second level protuberance 22 is passed through
Weld seam is chimeric with the stopper slot 62 of grooving 6.
It is different in the equidistant installation in the position to be welded of hull wallboard 1 from locating piece 2, top rigidity briquetting 3, bottom rigidity briquetting
5 and grooving 6 be to install along weld seam and be paved with weld seam.Again because the length of locating piece is less than top rigidity briquetting 3, bottom rigidity
The length of briquetting 5 and grooving 6, so weld seam has do not install at locating piece, to be welded.
Embodiment 1
Self-supporting of the present invention controls the device of hanging root gap of weld and welding deformation, including locating piece 2, on
Portion's rigidity briquetting 3, bottom rigidity briquetting 5 and grooving 6, the middle part of the grooving 6 is provided with groove 61, shown groove 61 and is provided with
Stopper slot 62, the locating piece 2 includes positioning block main body and location division, and the location division includes the be located in positioning block main body
One-level protuberance 21 and the second level protuberance 22 on first order protuberance 21, the shape of the first order protuberance 21
Match with root gap of weld 11, and be entrenched in root gap of weld 11, the shape of the stopper slot 62 is convex with the second level
Go out portion 22 to match, the second level protuberance 22 is entrenched in stopper slot 62；It is fixed that the top rigidity briquetting 3 is symmetrically installed on
Position block main body both sides, the bottom rigidity briquetting 5 has the inner fovea part 51 matched with grooving 6, and the grooving 6 is arranged on interior
In recess 51；Magnet 4 is installed inside top rigidity briquetting 3, the bottom rigidity briquetting 5.
In the present embodiment the preferred length of the locating piece 2 be 45mm, width be 45mm, highly be 45mm, weld seam root
The width in portion gap 11 is 3mm with the width of first order protuberance 21, and the width of second level protuberance 22 is 1mm, is highly 2mm；
The length of grooving 6 is 100mm, width is 50mm, be highly 60mm；The preferred width of stopper slot 62 is 1mm, is highly slightly less than
The height of second level protuberance 22；Top rigidity briquetting 3 length is 100mm, width is 60mm, be highly 60mm；Bottom rigidity
The length of briquetting 5 is 100mm, width is 160mm, be highly 80mm.
The welding method of the device of hanging root gap of weld and welding deformation is controlled using self-supporting of the present invention, including with
Lower step：
S1, according to the chi of the thickness of hull wallboard 1, molded line feature, back of weld formed features and root gap technological requirement
Very little, in a series of locating piece 2 of the position to be welded of hull wallboard 1 square hollows installed above, the location division 2 is comprising positioned at positioning
First order protuberance 21 in block main body and the second level protuberance 22 on first order protuberance 21, the first order is convex
The shape and root gap of weld 11 for going out portion 21 matches, and is entrenched in root gap of weld 11；
S2, according to hull wall template line feature, choose top rigidity briquetting 3 and symmetrically snugly fit into the both sides of locating piece 2, on
Connected by pin 7 between portion's rigidity briquetting 3, Magnet 4 is installed inside the rigidity briquetting 3 of top, to produce magneticaction；
S3, according to hull wall template line feature, choose bottom rigidity briquetting 5 and grooving 6, the shape of stopper slot 62 and the
Two grades of protuberances 22 are matched, and the second level protuberance 22 is entrenched in stopper slot 62 so that grooving is symmetrically distributed in root
Gap center line both sides, it is ensured that weld seam is symmetrically shaped；Then, bottom rigidity briquetting 5 is symmetrically snugly fitted into into the two of grooving 6
Side, connects between the rigidity briquetting 5 of bottom also by pin 7, and inside the rigidity briquetting 5 of bottom Magnet 4 is provided with.
The high current TIG silk filling deep penetration welding technique of the hanging weld seam of aluminium-alloy hull segment folding, requires in welding process
Welding point root gap is maintained at 2～4mm, and unfitness of butt joint is less than 0.5mm, and to ensure one side welding with back formation.Use
The device of the hanging weld seam self-supporting dynamic control root gap of hull of the present invention and welding deformation is welded completely may be used
To meet the requirement.
The thickness that in the present embodiment body section closes up deck aluminium alloy sheet is 5mm, and butt welding position is plane, fixed
Position block, top and the bottom rigidity briquetting are plane with the contact surface at position to be welded.By contact surface be the locating piece of plane, top and the bottom it is firm
Property briquetting and grooving install successively, open Magnet, the Magnet inside the rigidity briquetting of top and the bottom produces different in nature magneticaction,
Deck to be welded is applied compared with strong pressure effect of contraction by rigid briquetting band, then starts TIG filler wire weldings, had due to following
Grooving, smoothly completes the TIG weldering one side welding with back formation welding on 5mm planes deck, and weld industry effect is good.
Embodiment 2
Self-supporting controls the device of hanging root gap of weld and welding deformation with welding method with enforcement in the present embodiment
Example 1 is essentially identical, but the contact surface of locating piece and top and the bottom rigidity briquetting is curved surface, for the welding of curved portion,
Its welding process schematic diagram is as shown in Figure 1.In the present embodiment body section close up side plate thickness be 4mm, butt welding position
For curved surface.Square locating piece, top and the bottom rigidity briquetting and grooving that contact surface is curved surface are installed successively, magnetic is opened
Ferrum, the Magnet inside the rigidity briquetting of top and the bottom produces different in nature magneticaction, by rigid briquetting band side plate to be welded is applied compared with
Strong pressure effect of contraction, then starts TIG filler wire weldings, due to following with grooving, smoothly completes 4mm curved surface bulkheads
TIG weldering one side welding with back formation welding, weld industry effect is good.
The present invention is described by embodiment, but is not limited the invention, with reference to description of the invention, institute
Other changes of disclosed embodiment, such as the professional person of this area is readily apparent that, such change should belong to
Within the scope of the claims in the present invention are limited.
Claims (6)
1. a kind of self-supporting controls the device of hanging root gap of weld and welding deformation, it is characterised in that including locating piece, on
Portion's rigidity briquetting, bottom rigidity briquetting and grooving, the locating piece includes positioning block main body and location division；Wear the location division
In crossing root gap of weld and insert molding groove；The top rigidity briquetting is symmetrically installed on positioning block main body both sides, described
Bottom rigidity briquetting has the inner fovea part matched with grooving, and the grooving is arranged in inner fovea part；The equidistant peace of locating piece
Hull wallboard position to be welded is mounted in, weld seam is installed and be paved with to top rigidity briquetting, bottom rigidity briquetting and forming tank along weld seam,
It is detachably connected between adjacent top rigidity briquetting per side, is detachably connected between adjacent bottom rigidity briquetting；On described
Magnet is installed inside portion's rigidity briquetting, bottom rigidity briquetting, the Magnet is switching magnet；
The location division includes the first order protuberance being located in positioning block main body, and the first order protuberance is entrenched in weld seam root
In portion gap；Also comprising the second level protuberance on first order protuberance, the grooving middle part is provided with for the location division
Groove, the groove is provided with stopper slot, and the second level protuberance is entrenched in stopper slot；
The length of the locating piece is 40-60mm, width is 40-60mm, is highly 40-60mm, and first order protuberance width is
2-4mm, second level protuberance width is 1-2mm, is highly 2-3mm.
2. self-supporting according to claim 1 controls the device of hanging root gap of weld and welding deformation, and its feature exists
In, the locating piece, top rigidity briquetting, bottom rigidity briquetting, the contact surface between grooving and hull wallboard be plane or
Curved surface.
3. self-supporting according to claim 1 controls the device of hanging root gap of weld and welding deformation, and its feature exists
In the locating piece, top rigidity briquetting, bottom rigidity briquetting are hollow structure；The grooving is solid construction.
4. self-supporting according to claim 1 controls the device of hanging root gap of weld and welding deformation, and its feature exists
In the locating piece, top rigidity briquetting, bottom rigidity briquetting are made using aluminum alloy materials；The grooving is using stainless
Steel material is made.
5. self-supporting according to claim 1 controls the device of hanging root gap of weld and welding deformation, and its feature exists
In per side, adjacent top rigidity briquetting is connected by pin, and adjacent bottom rigidity briquetting is connected by pin.
6. the welding method of the hanging weld seam of a kind of hull, it is characterised in that using described in any one of the claims in the present invention 1-5
Self-supporting controls the device welding of hanging root gap of weld and welding deformation, comprises the following steps：
S1, in the equidistant installation locating piece in hull wallboard position to be welded, the location division of locating piece through root gap of weld and with
Grooving is fitted together to；Top rigidity briquetting is respectively mounted in the both sides of locating piece, weldering is installed and be paved with to top rigidity briquetting along weld seam
Seam；
S2, installation grooving so as to chimeric with location division；Bottom rigidity briquetting, bottom rigidity briquetting is installed below in grooving
Weld seam is installed and is paved with along weld seam；
S3, from the beginning of the one end at position to be welded, not installing welded seam at locating piece, be often soldered one section of top rigidity briquetting long
Weld seam, locating piece at this section is extracted, weld the weld seam at the locating piece, upper and lower part rigidity briquetting retains motionless；According to this
Individual step has welded all weld seams, and waits weld seam temperature to be reduced to after room temperature, then removes upper and lower part rigidity briquetting respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840756.7A CN104625318B (en) | 2014-12-30 | 2014-12-30 | Device and method for controlling suspension welding seam root gap and welding deformation in self-supporting mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840756.7A CN104625318B (en) | 2014-12-30 | 2014-12-30 | Device and method for controlling suspension welding seam root gap and welding deformation in self-supporting mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625318A CN104625318A (en) | 2015-05-20 |
| CN104625318B true CN104625318B (en) | 2017-04-19 |
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| CN104942454B (en) * | 2015-06-18 | 2017-05-24 | 中车青岛四方机车车辆股份有限公司 | Laser welding construction device |
| CN104907687B (en) * | 2015-06-23 | 2017-10-17 | 中南大学 | A kind of large-caliber thin-walled cylinder butt welding assembling clamping device |
| CN107790850A (en) * | 2016-08-30 | 2018-03-13 | 上海宝冶集团有限公司 | A kind of welding method in control pipeline welding groove gap |
| CN109048180A (en) * | 2018-11-01 | 2018-12-21 | 中国化学工程第三建设有限公司 | The method welded with locating piece |
| CN114166857A (en) * | 2021-10-29 | 2022-03-11 | 中国船舶重工集团公司第七二五研究所 | Metal material welded joint crack resistance testing method and welding method |
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| JPS5554289A (en) * | 1978-10-16 | 1980-04-21 | Nippon Kokan Kk <Nkk> | Multilayer build-up electrogas welding method |
| CN201143607Y (en) * | 2008-01-07 | 2008-11-05 | 宝山钢铁股份有限公司 | Welding support platform |
| CN101633071B (en) * | 2009-05-26 | 2011-06-29 | 山西太钢不锈钢股份有限公司 | Butting welding method of stainless steel plate |
| CN102343496B (en) * | 2010-08-05 | 2015-07-15 | 上海锅炉厂有限公司 | Weld line assembly positioning device and assembly position welding process method thereof |
| CN103506742A (en) * | 2013-07-02 | 2014-01-15 | 国家电网公司 | Device and technology for welding aluminum alloy plate |
| CN203918200U (en) * | 2014-05-23 | 2014-11-05 | 苏州东方铁塔有限公司 | A kind of copper liner |
| CN104128694A (en) * | 2014-07-24 | 2014-11-05 | 江门市新会区同达化工机械制造有限公司 | Longitudinal seam red copper liner welding process of steel sheet pressure vessel and red copper liner used by same |
| CN204430535U (en) * | 2014-12-30 | 2015-07-01 | 中船黄埔文冲船舶有限公司 | The device of the unsettled root gap of weld of self-supporting Dynamic controlling and welding deformation |
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Application publication date: 20150520 Assignee: GUANGZHOU WENCHUAN HEAVY INDUSTRY Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2022440000324 Denomination of invention: Self supporting device and method for controlling root clearance and welding deformation of suspended weld Granted publication date: 20170419 License type: Common License Record date: 20221216 |