CN104625318A - 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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- CN104625318A CN104625318A CN201410840756.7A CN201410840756A CN104625318A CN 104625318 A CN104625318 A CN 104625318A CN 201410840756 A CN201410840756 A CN 201410840756A CN 104625318 A CN104625318 A CN 104625318A
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- weld
- briquetting
- locating piece
- root gap
- 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
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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
- 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
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 boats and ships welding equipment technical field, be specifically related to the apparatus and method that self-supporting controls unsettled root gap of weld and welding deformation.
Background technology
Domestic and international high-speed ship mainly adopts Welded to form, due to the elastic modelling quantity of aluminium alloy temperature more than two or three hundred degrees Celsius and yield strength very little, non-deformability is poor; And the thermal conductivity of aluminum alloy materials, thermal coefficient of expansion are large, welding high-temperature region wider range, welding stress, deformation comparison are large, during the overhead positions welding such as cause these aluminium matter hull groups to be stood, to close up, much larger all than steel segmentation of weld seam cross-direction shrinkage amount and welding deformation amount, aluminium matter Ship Structure postwelding needs to carry out orthopedic process.In addition, the welding of this hull overhead positions is main adopts big current TIG silk filling deep penetration welding, and back of weld need weld large-size weld seam, then adopts emery wheel manual grinding to become to need size and pattern.This welding procedure can produce larger welding deformation, wastes a large amount of wlding and human and material resources, reduces efficiency of construction, and the root of weld is difficult to be polished into needs shape, will reduce the bearing capacity of welding point.
For solving the problem, adopting welding equipment card code in actual production, strengthening the method such as aluminum corner brace and spot welding to carry out auxiliary welding.These technology can control welding deformation to a certain extent, but effect is general, and main cause is that rigid constraint is not enough.The card code of welding equipment and reinforcement aluminum corner brace also will be carried out postwelding polishing and be removed, and meeting injured vessel surface, affects attractive in appearance and serviceability; And the method effectively can not control the misalignment problem of weld seam, when segmentation weld seam is longer, there will be segmentation fold the problems such as limit and affect hull group vertical with close up.During penetration fustion welding, treat that the root of weld will keep certain interval, can not be excessive or too small.In welding process, the thermal expansion at weld seam position and contraction cause treating that root gap of weld constantly reduces, and need tack welding to stitch and limit.Whole welding process to be polished the additional process such as to be shaped, postwelding is orthopedic due to the welding equipment of tack welding, card code and aluminum corner brace and dismounting, back of weld, greatly reduces production efficiency.
Summary of the invention
The object of the invention is to for above-mentioned existing problems and deficiency, provide self-supporting to control the apparatus and method of unsettled root gap of weld and welding deformation.
Goal of the invention of the present invention is achieved through the following technical solutions:
Self-supporting controls the device of unsettled weld gap and welding deformation, and comprise locating piece, top rigidity briquetting, lower rigid briquetting and grooving, described locating piece comprises locating piece main body and location division; Described location division is through root gap of weld in insert molding groove; Described top rigidity briquetting symmetry be arranged on locating piece main body both sides, described lower rigid briquetting has the inner fovea part mated with grooving, and described grooving is arranged in inner fovea part; Described top rigidity briquetting, lower rigid briquetting inside are provided with magnet.
Preferably, described location division comprises the first order protuberance be positioned in locating piece main body, and described first order protuberance is entrenched in root gap of weld; Described location division also comprises the second level protuberance be positioned on first order protuberance, is provided with groove in the middle part of described grooving, and described groove is provided with stopper slot, and described second level protuberance is entrenched in stopper slot.Preferably, shape and the root gap of weld of described first order protuberance match, and the shape of described stopper slot is mated with second level protuberance.
Preferably, described locating piece, top rigidity briquetting, lower rigid briquetting, contact surface between grooving and hull wallboard are plane or curved surface.
Preferably, described locating piece, top rigidity briquetting, lower rigid briquetting are hollow structure; Described grooving is solid construction.Preferred, described locating piece, top rigidity briquetting, lower rigid briquetting adopt aluminum alloy materials to make; Described grooving adopts stainless steel material to make.
Preferably, removably connect between the top rigidity briquetting that every side is adjacent, removably connect between adjacent lower rigid briquetting.Preferred, the adjacent top rigidity briquetting in every side is connected by pin, and adjacent lower rigid briquetting is connected by pin.
A welding method for the unsettled weld seam of hull, uses self-supporting of the present invention to control the device welding of unsettled root gap of weld and welding deformation, comprises the following steps:
S1, at the equidistant installation locating piece in hull wallboard position to be welded, the location division of locating piece is chimeric with grooving through root gap of weld; Top rigidity briquetting is installed respectively in the both sides of locating piece;
S2, installation grooving, make it chimeric with location division; Lower rigid briquetting is installed below grooving;
S3, from the one end at position to be welded, do not installing locating piece place welded seam, be often soldered the weld seam that one section of top rigidity briquetting is long, extracted by this section of place's locating piece, weld the weld seam at this locating piece place, upper and lower part rigidity briquetting retains motionless; All weld seams have been welded according to this step, and after waiting for that weld seam temperature is reduced to room temperature, then remove upper and lower part rigidity briquetting respectively.
Preferably, the first order protuberance of locating piece is chimeric with root gap of weld, and second level protuberance is chimeric with the stopper slot of grooving.
Compared with prior art, self-supporting of the present invention is adopted to control the device of unsettled root gap of weld and welding deformation and welding method tool has the following advantages:
1, easy to use, cost is low, strong adaptability, can the unsettled root gap of weld of self-supporting Dynamic controlling and welding deformation, weld seam cross-direction shrinkage can be controlled, can misalignment be controlled again, and can welding deformation be reduced, and ensure that back of weld is shaped;
2, locating piece orientation distance is accurate, easy accessibility, solves welding equipment and the dismantling operation of a large amount of card code of tradition and reinforcement aluminum corner brace, has increased substantially production efficiency, also reduced the labour intensity of weld job personnel frequent loading, unloading card code and aluminum corner brace;
3, rigidity briquetting in top and the bottom departs from freely, unsettled root gap of weld locating effect is remarkable, welding deformation and misalignment control well, hull surfaces externally and internally quality can not be damaged, operating efficiency is high, significantly improve the reliability of location and effectively suppress misalignment, reduce welding deformation, welding quality is well ensured;
4, grooving is conducive to ensureing that manual, semi-automatic, the automation one side welding with back formation technique of big current TIG deep penetration welding method are carried out smoothly, and back of weld is shaped attractive in appearance, reduces artificial grinder buffing workload, saves wlding in a large number.
Accompanying drawing explanation
Fig. 1 is the structural representation that self-supporting of the present invention controls the device of unsettled root gap of weld and welding deformation.
Fig. 2 is the structural representation of locating piece.
Fig. 3 is the syndeton schematic diagram of top rigidity briquetting.
Fig. 4 is the structural representation of lower rigid briquetting.
Fig. 5 is the syndeton schematic diagram of lower rigid briquetting.
Fig. 6 is the location schematic diagram of locating piece and grooving.
Fig. 7 is part A enlarged diagram in Fig. 6.
Fig. 8 is locating piece schematic diagram chimeric with hull wallboard when using self-supporting to control the welding method of the device of unsettled root gap of weld and welding deformation in the embodiment of the present invention 1.
Fig. 9 installs schematic diagram after the rigidity briquetting of top when using self-supporting to control the welding method of the device of unsettled root gap of weld and welding deformation in the embodiment of the present invention 1.
Figure 10 installs schematic diagram after lower rigid briquetting and grooving when using self-supporting to control the welding method of the device of unsettled root gap of weld and welding deformation in the embodiment of the present invention 1.
Figure 11 installs schematic diagram after lower rigid briquetting and grooving when using self-supporting to control the welding method of the device of unsettled root gap of weld and welding deformation in the embodiment of the present invention 2.
Reference numeral is as follows:
1, hull wallboard, 21, first order protuberance,
2, locating piece, 22, second level protuberance,
3, top rigidity briquetting, 51, inner fovea part,
4, magnet, 61, groove,
5, lower rigid briquetting, 62, stopper slot,
6, grooving, 7, pin.
Detailed description of the invention
For a better understanding of the present invention, below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1 and Figure 4, self-supporting of the present invention controls the device of unsettled root gap of weld and welding deformation, comprise locating piece 2, top rigidity briquetting 3, lower rigid briquetting 5 and grooving 6, described locating piece 2 comprises locating piece main body and location division, and described location division is through in root gap of weld 11 insert molding groove 6; Described top rigidity briquetting 3 symmetry be arranged on locating piece main body both sides, described lower rigid briquetting 5 has the inner fovea part 51 mated with grooving 6, and described grooving 6 is arranged in inner fovea part 51; Described top rigidity briquetting 3, lower rigid briquetting 5 inside are provided with magnet 4.Described location division is used for stationary positioned block 2, limits the random slip of locating piece 2 and comes off, and ensures root gap 11 accurate positioning.
Preferably, as depicted in figs. 1 and 2, described location division comprises the first order protuberance 21 be positioned in locating piece main body, and shape and the root gap of weld 11 of described first order protuberance 21 match, and are entrenched in root gap of weld 11.Preferred, the width of described first order protuberance 21 is identical with the width of root gap of weld 11, and its height is slightly larger than the thickness of slab of hull wallboard 1; The width of first order protuberance is identical with segmentation root gap of weld width, can overcome front, molten bath in welding process causes segmentation root gap of weld constantly to diminish problem because of cross-direction shrinkage.The preferred length of described locating piece 2 is 40-60mm in the present invention, width is 40-60mm, highly is 40-60mm.The width of root gap of weld 11 and the width of first order protuberance 21 are preferably 2-4mm in the present invention.
Preferred, as shown in Figure 1, Figure 2, shown in Fig. 6 and Fig. 7, described location division also comprises the second level protuberance 22 be positioned on first order protuberance 21; Be provided with groove 61 in the middle part of described grooving 6, be provided with stopper slot 62 further in described groove 61, the shape of stopper slot 62 is mated with second level protuberance 22, and described second level protuberance 22 is entrenched in stopper slot 62.Further preferred, grooving 6 is symmetrical along groove 61, and stopper slot 62 width is identical with the width of second level protuberance 22, and this makes grooving 6 be symmetrically distributed in back of weld both sides, thus it is symmetrical to ensure that back of weld is shaped.In the present invention the preferred width of described second level protuberance 22 be 1-2mm, highly for 2-3mm; The preferred length of grooving 6 is 100-120mm, width is 50-70mm, be highly 50-60mm; The preferred width of groove 61 is 1-2mm, the length being highly slightly less than second level protuberance 22.
Preferably, removably connect between the top rigidity briquetting 3 that every side is adjacent, removably connect between adjacent lower rigid briquetting 5, so that dismounting.Preferred, connected by pin between the top rigidity briquetting 3 that every side is adjacent, connected by pin 7 between adjacent lower rigid briquetting 5.Pin 7 connects the rigid constraint band that can form longer dimension, and top and the bottom rigidity briquetting can rotate around pin 7, to adapt to the requirement of ship hull surface molded line.In order to better coordinate with locating piece 2, the preferred length of top rigidity briquetting 3 is 100-120mm in the present invention, width is 60-80mm, highly is 60-80mm; The preferred length of lower rigid briquetting 5 is 100-120mm, width is 160-200mm, be highly 60-80mm.
In order to top rigidity briquetting 3 and lower rigid briquetting 5 with the use of, in the present invention, the preferred length of magnet 4 is 70-80mm, width is 25-35mm, highly is 25-35mm.Described magnet 4 is switching magnet.The magneticaction produced when magnet 4 is opened, by top and the bottom rigidity briquetting, squeezing action is produced to hull wall plate to be welded, compression treats welding line, generation integral rigidity retrains, limit the swing of hull wallboard, misalignment and distortion, add locating piece 2 and the acting in conjunction of grooving 6, can ensure that root gap 11 size at hull wallboard position to be welded and staggered edge free occur.Magnet 4 no longer produces magneticaction when closing, and top and the bottom rigidity briquetting departs from freely.The size of magnetic force can carry out selecting and adjusting according to actual conditions, and this is well-known to those skilled in the art, does not repeat them here.
In order to weight reduction, described locating piece 2 can adopt hollow structure.Same, described top rigidity briquetting 3 and lower rigid briquetting 5 also can adopt hollow structure.Preferably, described locating piece 2 and upper and lower part rigidity briquetting all adopt the hollow structure of aluminum alloy material.Preferred further, for the ease of lifting carrying, handle can be set on described locating piece 2.Preferably, described grooving 6 is solid construction, increases rigidity and is beneficial to the heat radiation of weld seam in welding process, ensureing welding effect.Preferred, described grooving 6 adopts stainless steel material to make.
Preferably, described locating piece 2, top rigidity briquetting 3, lower rigid briquetting 5, contact surface between grooving 6 and hull wallboard 1 are plane or curved surface.
As seen in figs. 8-10, use self-supporting of the present invention to control the welding method of the device of unsettled root gap of weld and welding deformation, comprise the following steps:
S1, at the equidistant installation locating piece 2 in hull wallboard 1 position to be welded, top rigidity briquetting 3, through in root gap of weld 11 insert molding groove 6, is installed respectively in locating piece main body both sides in the location division of locating piece 2;
S2, installation grooving 6, make it chimeric with location division; Below grooving 6, lower rigid briquetting 5 is installed;
S3, from the one end at position to be welded, do not installing locating piece 2 place welded seam, be often soldered the weld seam that one section of top rigidity briquetting 3 is long, extracted by this section of place's locating piece 2, weld the weld seam at this locating piece 2 place, upper and lower part rigidity briquetting retains motionless; All weld seams have been welded according to this step, and after waiting for that weld seam temperature is reduced to room temperature, then remove upper and lower part rigidity briquetting respectively.
Preferably, the first order protuberance 21 of locating piece 2 is chimeric with root gap of weld 11, and second level protuberance 22 is chimeric with the stopper slot 62 of grooving 6 through weld seam.
Different in the equidistant installation in hull wallboard 1 position to be welded from locating piece 2, top rigidity briquetting 3, lower rigid briquetting 5 and grooving 6 install along weld seam and be paved with weld seam.Again because the length of locating piece is less than the length of top rigidity briquetting 3, lower rigid briquetting 5 and grooving 6, so weld seam has do not install locating piece place, to weld.
Embodiment 1
Self-supporting of the present invention controls the device of unsettled root gap of weld and welding deformation, comprise locating piece 2, top rigidity briquetting 3, lower rigid briquetting 5 and grooving 6, groove 61 is provided with in the middle part of described grooving 6, stopper slot 62 is provided with in shown groove 61, described locating piece 2 comprises locating piece main body and location division, described location division comprises the first order protuberance 21 be positioned in locating piece main body and the second level protuberance 22 be positioned on first order protuberance 21, shape and the root gap of weld 11 of described first order protuberance 21 match, and be entrenched in root gap of weld 11, the shape of described stopper slot 62 is mated with second level protuberance 22, described second level protuberance 22 is entrenched in stopper slot 62, described top rigidity briquetting 3 symmetry be arranged on locating piece main body both sides, described lower rigid briquetting 5 has the inner fovea part 51 mated with grooving 6, and described grooving 6 is arranged in inner fovea part 51, described top rigidity briquetting 3, lower rigid briquetting 5 inside are provided with magnet 4.
The preferred length of described locating piece 2 is 45mm in the present embodiment, width is 45mm, highly is 45mm, and the width of root gap of weld 11 and the width of first order protuberance 21 are 3mm, and second level protuberance 22 width is 1mm, is highly 2mm; The length of grooving 6 is 100mm, width is 50mm, highly for 60mm; The preferred width of stopper slot 62 is 1mm, the height being highly slightly less than second level protuberance 22; Top rigidity briquetting 3 length is 100mm, width is 60mm, highly for 60mm; The length of lower rigid briquetting 5 is 100mm, width is 160mm, highly for 80mm.
Use self-supporting of the present invention to control the welding method of the device of unsettled root gap of weld and welding deformation, comprise the following steps:
S1, size according to hull wallboard 1 thickness, molded line feature, back of weld formed features and root gap technological requirement, the locating piece 2 of a series of square hollow is installed on hull wallboard 1 position to be welded, described location division 2 comprises the first order protuberance 21 be positioned in locating piece main body and the second level protuberance 22 be positioned on first order protuberance 21, shape and the root gap of weld 11 of described first order protuberance 21 match, and are entrenched in root gap of weld 11;
S2, according to hull wall template line features, choose top rigidity briquetting 3 symmetry and snugly fit into locating piece 2 both sides, connected between top rigidity briquetting 3 by pin 7, rigidity briquetting 3 inside, top is provided with magnet 4, in order to produce magneticaction;
S3, according to hull wall template line features, choose lower rigid briquetting 5 and grooving 6, the shape of stopper slot 62 is mated with second level protuberance 22, and described second level protuberance 22 is entrenched in stopper slot 62, make grooving be symmetrically distributed in root gap center line both sides, ensure that weld seam symmetry is shaped; Then, lower rigid briquetting 5 symmetry is snugly fitted into the both sides of grooving 6, also connected by pin 7 between lower rigid briquetting 5, lower rigid briquetting 5 inside is provided with magnet 4.
The big current TIG silk filling deep penetration welding technique of the unsettled weld seam of aluminium-alloy hull segment folding, in welding process, require that welding point root gap remains on 2 ~ 4mm, unfitness of butt joint is less than 0.5mm, and will ensure one side welding with back formation.The device of hull of the present invention unsettled weld seam self-supporting Dynamic controlling root gap and welding deformation is used to carry out welding and can meet this requirement completely.
Body section closes up the thickness of deck aluminium alloy sheet is in the present embodiment 5mm, and butt welding position is plane, and the contact surface at locating piece, top and the bottom rigidity briquetting and position to be welded is plane.Be that the locating piece of plane, top and the bottom rigidity briquetting and grooving install successively by contact surface, open magnet, the magnet of rigidity briquetting inside, top and the bottom produces different in nature magneticaction, by rigidity briquetting band, comparatively strong pressure effect of contraction is applied to deck to be welded, then TIG filler wire welding is started, owing to having grooving below, the TIG completing 5mm plane deck smoothly welds one side welding with back formation welding, and weld industry is effective.
Embodiment 2
In the present embodiment, to control the device of unsettled root gap of weld and welding deformation substantially identical with embodiment 1 with welding method for self-supporting, 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 as shown in Figure 1.In the present embodiment, body section closes up the thickness of side plate is 4mm, and butt welding position is curved surface.Be that the square locating piece of curved surface, top and the bottom rigidity briquetting and grooving install successively by contact surface, open magnet, the magnet of rigidity briquetting inside, top and the bottom produces different in nature magneticaction, by rigidity briquetting band, comparatively strong pressure effect of contraction is applied to side plate to be welded, then TIG filler wire welding is started, owing to having grooving below, the TIG completing 4mm curved surface bulkhead smoothly welds one side welding with back formation welding, and weld industry is effective.
The present invention is described by embodiment, but the present invention is not construed as limiting, with reference to description of the invention, other changes of the disclosed embodiments, as the professional person for this area easily expects, such change should belong within the scope of the claims in the present invention restriction.
Claims (10)
1. self-supporting controls a device for unsettled root gap of weld and welding deformation, it is characterized in that, comprise locating piece, top rigidity briquetting, lower rigid briquetting and grooving, described locating piece comprises locating piece main body and location division; Described location division is through root gap of weld in insert molding groove; Described top rigidity briquetting symmetry be arranged on locating piece main body both sides, described lower rigid briquetting has the inner fovea part mated with grooving, and described grooving is arranged in inner fovea part; Described top rigidity briquetting, lower rigid briquetting inside are provided with magnet.
2. self-supporting according to claim 1 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, described location division comprises the first order protuberance be positioned in locating piece main body, and described first order protuberance is entrenched in root gap of weld; Described location division also comprises the second level protuberance be positioned on first order protuberance, is provided with groove in the middle part of described grooving, and described groove is provided with stopper slot, and described second level protuberance is entrenched in stopper slot.
3. self-supporting according to claim 1 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, described locating piece, top rigidity briquetting, lower rigid briquetting, contact surface between grooving and hull wallboard are plane or curved surface.
4. self-supporting according to claim 1 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, described locating piece, top rigidity briquetting, lower rigid briquetting are hollow structure; Described grooving is solid construction.
5. self-supporting according to claim 1 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, described locating piece, top rigidity briquetting, lower rigid briquetting adopt aluminum alloy materials to make; Described grooving adopts stainless steel material to make.
6. self-supporting according to claim 1 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, removably connects, removably connect between adjacent lower rigid briquetting between the top rigidity briquetting that every side is adjacent.
7. self-supporting according to claim 6 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, the adjacent top rigidity briquetting in every side is connected by pin, and adjacent lower rigid briquetting is connected by pin.
8. self-supporting according to claim 1 controls the device of unsettled root gap of weld and welding deformation, it is characterized in that, the length of described locating piece is 40-60mm, width is 40-60mm, highly for 40-60mm.
9. a welding method for the unsettled weld seam of hull, is characterized in that, uses the self-supporting described in any one of the claims in the present invention 1-8 to control the device welding of unsettled root gap of weld and welding deformation, comprises the following steps:
S1, at the equidistant installation locating piece in hull wallboard position to be welded, the location division of locating piece is chimeric with grooving through root gap of weld; Top rigidity briquetting is installed respectively in the both sides of locating piece;
S2, installation grooving, make it chimeric with location division; Lower rigid briquetting is installed below grooving;
S3, from the one end at position to be welded, do not installing locating piece place welded seam, be often soldered the weld seam that one section of top rigidity briquetting is long, extracted by this section of place's locating piece, weld the weld seam at this locating piece place, upper and lower part rigidity briquetting retains motionless; All weld seams have been welded according to this step, and after waiting for that weld seam temperature is reduced to room temperature, then remove upper and lower part rigidity briquetting respectively.
10. the welding method of the unsettled weld seam of hull according to claim 9, is characterized in that, first order protuberance is chimeric with root gap of weld, and second level protuberance is chimeric with the stopper slot of grooving.
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| CN104907687A (en) * | 2015-06-23 | 2015-09-16 | 中南大学 | Large-diameter thin walled cylinder butt welding assembly clamping device |
| CN104942454A (en) * | 2015-06-18 | 2015-09-30 | 南车青岛四方机车车辆股份有限公司 | Laser welding construction 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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| 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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