CN107052608B - A kind of section is the welding method of the arc-shaped welding pieces of L-type - Google Patents
A kind of section is the welding method of the arc-shaped welding pieces of L-type Download PDFInfo
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- CN107052608B CN107052608B CN201710502667.5A CN201710502667A CN107052608B CN 107052608 B CN107052608 B CN 107052608B CN 201710502667 A CN201710502667 A CN 201710502667A CN 107052608 B CN107052608 B CN 107052608B
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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
- B23K31/02—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 soldering or welding
-
- 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)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of welding methods for the arc-shaped welding pieces that section is L-type, it solves to exist in the prior art to carry out welding to relatively regular plate and rigidly fix, the problem to the high-precision group pair of arcuate structure can not be completed at the same time, have the effect of that welding precision is high, its technical solution are as follows: the runing rest including cabinet and lower box, the long arc shape positioning surface that section is L-type is welded on cabinet, the side of the long arc shape positioning surface is equipped with multiple arcs pressing plate, arc-shaped welding pieces are set between long arc shape positioning surface and multiple arcs pressing plate, it is clamped by the hold-down mechanism being welded on cabinet and realizes that the segmentation of arc-shaped welding pieces compresses；By rotation axis connection between the cabinet and runing rest, cabinet can realize multi-faceted welding around 360 ° of rotations of rotary shaft.
Description
Technical field
The present invention relates to a kind of welder of the permanent heap chamber sealing ring of pressurized-water reactor nuclear power plant more particularly to a kind of sections
For the welding method of the arc-shaped welding pieces of L-type.
Background technique
Permanent heap chamber sealing ring, is set between reactor pressure vessel sealing edge and fuel tank plate backing plate, is one
The water sealing device of circular ring shape.When fuel tank is submerged, permanent heap chamber sealing ring can prevent water from immersing reactor cavity.
Permanent heap chamber sealing ring is designed to a L-type bending sealed section, during the heat increase of power station, L-type bending
The radial expansion with vertical direction of reactor pressure vessel can be absorbed in sealed section.Permanent heap chamber sealing ring is in power station by 6
The identical arcuate structure of section and connection board group are welded, which is that the high-precision long arc shape that a kind of section is L-type is stainless
Steel sheet weldment.
Traditional welder can only carry out welding to relatively regular plate and rigidly fix, and can not be completed at the same time to arcuate structure
High-precision group the functions such as multi-faceted welding are carried out to workpiece to, weld industry and by clamped one time.
In conclusion the problem of in the prior art for the high-precision group of arcuate structure to, weld industry, still lack
Effective solution scheme.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of welding dresses for the arc-shaped welding pieces that section is L-type
It sets, using the method compressed to weldment segmentation, is effectively controlled stainless sheet steel generated wave in the welding process
Deformation；Welding precision is high, reduces labor intensity.
A kind of section is the welder of the arc-shaped welding pieces of L-type, comprising:
Cabinet is welded with the long arc shape positioning surface that section is L-type on cabinet, and the side of the long arc shape positioning surface is equipped with
Multiple arcs pressing plate, arc-shaped welding pieces are set between long arc shape positioning surface and multiple arcs pressing plate, by being welded on cabinet
Hold-down mechanism, which clamps, realizes that the segmentation of arc-shaped welding pieces compresses；
The runing rest of lower box, by rotation axis connection between the cabinet and runing rest, cabinet can be around rotation
Multi-faceted welding is realized in 360 ° of rotations of shaft.
Further, the radian of the long arc shape positioning surface is identical as arc-shaped welding pieces, multiple arcs pressing plate composition with
The identical pressure plate structure of arc-shaped welding pieces radian.
Further, the long arc shape positioning surface is made of horizontal location plate and arc positioning plate；The level is fixed
The top of position plate is equipped with horizontal pressure foot, and the front side of the arc positioning plate is equipped with arc pressuring plate.
Further, the hold-down mechanism includes set on the top hold-down mechanism on cabinet top and set on cabinet front
Lower part hold-down mechanism.
Further, the top hold-down mechanism includes inverted L shape compact heap and the pressure longitudinally through inverted L shape compact heap
Bar；The lower part hold-down mechanism includes compact heap and the compression bar longitudinally through compact heap.
Further, the side of the cabinet is equipped with multiple locating pieces, forms limit operating point by locating piece.
Further, the box house is equipped with the stiffener plate of 45 ° of installations.
Further, the quantity of the hold-down mechanism is identical as arc pressuring plate.
Further, the runing rest is U-shaped structure, and the both ends of runing rest are equipped with symmetrical reinforcing rib.
The present invention also provides a kind of welding methods for the arc-shaped welding pieces that section is L-type, have to long arc shape stainless steel
Thin plate welded carries out before fast and accurately welding group to, high-efficient, high-quality effect.
The following steps are included:
Step 1: horizontal arc panel and vertical arc plate to be welded being positioned to welder, will be intersected therebetween
Place's group is at a strict arc crest line, and both ends can not have misalignment；
Step 2: adjusting top hold-down mechanism and lower part hold-down mechanism respectively, make horizontal arc panel and vertical arc plate pressure
Tightly；
Step 3: rotary welding device, two weld seams between weld horizontal arc panel and vertical arc plate；
Step 4: on welder, group is to arc gusset I, and spot welding is fixed；
Step 5: rotary welding device welds two weld seams between vertical arc plate and arc gusset I；
Step 6: reversed to adjust top hold-down mechanism and lower part hold-down mechanism after weld seam is soldered；On welder, group pair
Arc gusset II, adjusting top hold-down mechanism makes it compress arc gusset II, and spot welding is fixed；
Step 7: rotary welding device, the weld seam between weld horizontal arc panel and arc gusset II；
Step 8: after weld seam is cooling, arc-shaped welding pieces being disassembled from welder.
Compared with prior art, the beneficial effects of the present invention are:
(1) long arc shape positioning surface of the invention is designed according to the arc of welding workpiece, and is processed through numerically-controlled machine tool, can
The preceding group pair of fast and accurately weldering is carried out to long arc shape stainless sheet steel weldment, it is high-efficient, high-quality；
(2) rotary body that hold-down mechanism of the invention and cabinet are constituted is at an entirety, and structure is simple, compact, compacting machine
The rigidity and intensity of structure are reliable；
(3) present invention compresses weldment cambered surface using the segmentation of multiple arcs pressing plate, the radian of each pressing plate seal face
Identical as pressed workpiece surface radian, pressing plate is rigidly good, pressing plate arc deformation is small, pressure is evenly distributed, it is reliable to compress, effectively
Control stainless sheet steel generated wave transformation in the welding process；
(4) present invention employs rotational structures, and conveniently to the reverse welding of each weld seam of weldment, structure is simple dexterous, easy
In operating, reduce labor intensity, while also avoiding the deformation of workpiece caused by due to overturning.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is main view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is side view of the invention；
Fig. 4 is runing rest main view of the invention；
Fig. 5 is runing rest top view of the invention；
Fig. 6 is cabinet main view of the invention；
Fig. 7 is cabinet top view of the invention；
Fig. 8 is cabinet side view of the invention；
Fig. 9 is cabinet A-A cross-sectional view of the invention；
Figure 10 is cabinet B-B cross-sectional view of the invention；
Figure 11 is arc pressuring plate structure chart of the invention；
Figure 12 is the main view of arc-shaped welding pieces of the invention；
Figure 13 is arc-shaped welding pieces top view of the invention；
Figure 14 is arc-shaped welding pieces A-A cross-sectional view of the invention；
Wherein, 1- vertical arc plate, the horizontal arc panel of 2-, 3- arc gusset I, 4- arc gusset II, 5- runing rest, 6-
Cabinet, 7- rotary shaft, 8- locating piece, the top 9- hold-down mechanism, the lower part 10- hold-down mechanism, 11- arc pressuring plate, the positioning of 12- arc
Plate, 13- stiffener plate, 14- horizontal location plate.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, exist in the prior art relatively regular plate can only be carried out welding rigidly fix,
It can not be completed at the same time the deficiency to the high-precision group pair of arcuate structure, in order to solve technical problem as above, present applicant proposes
A kind of section is the welder and method of the arc-shaped welding pieces of L-type.
In a kind of typical embodiment of the application, as shown in Figure 1-Figure 11, the arc that a kind of section is L-type is provided
The welder of weldment, including cabinet 6 and the runing rest 5 for being set to 6 lower part of cabinet, the cabinet 6 and runing rest 5
Between connected by rotary shaft 7, cabinet 6 can be rotated 360 ° around rotary shaft 5 realizes multi-faceted welding.
The cabinet 6 is closed rectangular configuration, and the bottom of cabinet 6 is equipped with support plate, and cabinet and support plate, which are constituted, revolves
Swivel；It is welded with the long arc shape positioning surface that section is L-type on cabinet 6, is process in clamped one time by numerically-controlled machine tool, shape
With the equal strict control of position precision, the requirement of Product Precision is met.Long arc shape positioning surface is welded on body structure, intensity
It is high, deformation is small, positioning surface precision can be kept for a long time, weldment can be made reliably to be positioned.The radian of long arc shape positioning surface
It is identical as arc-shaped welding pieces, guarantee accurate group pair of the weldment before weldering.
In order to improve the intensity of welder, save space, box house is equipped with the stiffener plate 13 of 45 ° of installations.
The side of the long arc shape positioning surface is equipped with multiple arcs pressing plate 11, and arc-shaped welding pieces are set to long arc shape positioning surface
Between multiple arcs pressing plate 11, is clamped by the hold-down mechanism being welded on cabinet 6 and realize that the segmentation of arc-shaped welding pieces compresses.
Multiple arcs pressing plate 11 forms identical with arc-shaped welding pieces radian pressure plate structure, and pressing plate is rigidly good, arc deformation
Small, pressure is evenly distributed, compresses reliably, is effectively controlled arc-shaped welding pieces generated wave transformation in the welding process,
It solves when being compressed using single long radian pressing plate, will cause that pressing plate poor rigidity, pressing plate cambered surface be easily-deformable, pressure is unevenly distributed
Even, the problems such as tooling anti-deformation performance is poor.
The quantity of above-mentioned hold-down mechanism is identical as arc pressuring plate.
As shown in Fig. 8 and Figure 10, long arc shape positioning surface is made of horizontal location plate 14 and arc positioning plate 12, horizontal location
The right angle side that plate 14 and arc positioning plate 12 are set to 6 front end of cabinet (being considered as front side with main view) is formed and arc-shaped welding pieces
The top of the identical L-type structure in section, horizontal location plate 14 is equipped with horizontal pressure foot, and the front side of the arc positioning plate 12 is equipped with
Arc pressuring plate 11；Arc-shaped welding pieces are set between long arc shape positioning surface and multiple arcs pressing plate 11.
Above-mentioned hold-down mechanism includes pressing set on the top hold-down mechanism 9 on 6 top of cabinet and set on the lower part of 6 front side of cabinet
Tight mechanism 10.Top hold-down mechanism 9 includes inverted L shape compact heap and the compression bar I longitudinally through inverted L shape compact heap, the bottom end of compression bar I
With the tip contact of horizontal pressure foot；The lower part hold-down mechanism 10 includes compact heap and the compression bar II longitudinally through compact heap,
The rear end of compression bar II and the preceding end in contact of arc pressuring plate 11.
One end of above-mentioned L-type compact heap is welded on cabinet 6, and the other end is located at the top of horizontal pressure foot and presses with level
Plate has a certain distance.
The lower end of above-mentioned compact heap is welded in support plate and is located at the front side of cabinet 6, with cabinet 6 have it is certain away from
From；Compact heap is rectangular parallelepiped structure, is extended by support plate, makes hold-down mechanism and rotary body at an entirety, structure is simple,
Compact and reasonable.
Above-mentioned compression bar I and compression bar II can be bolt or screw rod or other threaded cylindrical bodies of tool, as long as and inverted L shape
It is threadedly coupled between compact heap or compact heap.
As shown in figures 1 and 3, the side of cabinet 6 is set there are three locating piece 8, and the angle between adjacent positioned block 8 is 90 °；
By the formation limit of locating piece 8 operating point, the reverse welding to weldment each side position weld seam is facilitated, structure is simple dexterous, easy
In operating, reduce labor intensity, while also avoiding the deformation of workpiece caused by due to overturning.
The application is analyzed by software, is found out the specific center of gravity of rotary body, this center of gravity is set to 7 position of rotary shaft, and lead to
Two location holes of the rotary shaft 7 on numerically-controlled machine tool machining box are crossed, guarantees that location hole is concentric, finally makes welder rotary flat
Surely, not eccentric, safety coefficient is high.Simultaneously in the case where taking into account the reasonable situation of overall structure, support height is suitble to operator to carry out
Welding, reduces labor intensity.
The runing rest 5 is U-shaped structure, and the both ends of runing rest 5 are respectively equipped with symmetrical reinforcing rib, to guarantee to prop up
The stability of support.
In the another embodiment of the application, a kind of welding method for the arc-shaped welding pieces that section is L-type is provided,
In, section is that the arc-shaped welding pieces of L-type are stainless sheet steel, and structure chart is as shown in Figure 12-Figure 14, including part vertical arc plate
1, horizontal arc panel 2, arc gusset I3 and arc gusset II4；Horizontal arc panel 2 and 1 group of postwelding of vertical arc plate, section is
L-type, radian are 60 degree, and outer arc chord length is about 3000mm.
Section be L-type arc-shaped welding pieces welding process the following steps are included:
Step 1: horizontal arc panel 2 to be welded and vertical arc plate 1 being positioned to welder, by phase between the two
Group is at a strict arc crest line at friendship, and both ends can not have misalignment；
Step 2: adjusting top hold-down mechanism 9 and lower part hold-down mechanism 10 respectively, make horizontal arc panel 2 and vertical arc plate
1 compresses；
Step 3: rotary welding device, two weld seams between weld horizontal arc panel 2 and vertical arc plate 1；
Step 4: on welder, group is to arc gusset I3, and spot welding is fixed；
Step 5: rotary welding device welds two weld seams between vertical arc plate 1 and arc gusset I3；
Step 6: reversed to adjust top hold-down mechanism 9 and lower part hold-down mechanism 10 after weld seam is soldered；On welder,
Group is to arc gusset II4, and adjusting top hold-down mechanism 9 makes it compress arc gusset II4, and spot welding is fixed；
Step 7: rotary welding device, the weld seam between weld horizontal arc panel 2 and arc gusset II4；
Step 8: after weld seam is cooling, arc-shaped welding pieces being disassembled from welder.
It is operated through above-mentioned welding, solves the problems, such as that two thin plates of section L-type weld preceding high-precision group to by two thin plate groups pair
The strict camber line for being about 3000mm at a length；By rigidly fixing principle in high precision, to solve workpiece welding deformation big
Problem ensure that its higher weld size precision.
The weld seam distribution of high-precision long arc shape stainless sheet steel weldment in all directions, needs reverse welding, the application
It is overturn using runing rest instead of driving, is easily operated, reducing labor intensity, while also avoiding causing because of overturning
Workpiece deformation.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of section is the welding method of the arc-shaped welding pieces of L-type, this method is the arc-shaped welding pieces of L-type based on a kind of section
Welder, comprising: cabinet is welded with the long arc shape positioning surface that section is L-type on cabinet, the long arc shape positioning surface
Side is equipped with multiple arcs pressing plate, and arc-shaped welding pieces are set between long arc shape positioning surface and multiple arcs pressing plate, by being welded in
Hold-down mechanism on cabinet, which clamps, realizes that the segmentation of arc-shaped welding pieces compresses；The runing rest of lower box, the cabinet with
By rotation axis connection between runing rest, cabinet can realize multi-faceted welding around 360 ° of rotations of rotary shaft；It is characterized in that, packet
Include following steps:
Step 1: horizontal arc panel and vertical arc plate to be welded being positioned to welder, by intersection group between the two
To at a strict arc crest line, and both ends can not have misalignment；
Step 2: adjusting top hold-down mechanism and lower part hold-down mechanism respectively, compress horizontal arc panel and vertical arc plate；
Step 3: rotary welding device, a weld seam between weld horizontal arc panel and vertical arc plate；
Step 4: on welder, group is to arc gusset I, and spot welding is fixed；
Step 5: rotary welding device welds two weld seams between vertical arc plate and arc gusset I；
Step 6: reversed to adjust top hold-down mechanism and lower part hold-down mechanism after weld seam is soldered；On welder, group is to arc
Gusset II, adjusting top hold-down mechanism makes it compress arc gusset II, and spot welding is fixed；
Step 7: rotary welding device, the weld seam between weld horizontal arc panel and arc gusset II；
Step 8: after weld seam is cooling, arc-shaped welding pieces being disassembled from welder.
2. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Long arc shape positioning surface radian it is identical as arc-shaped welding pieces, multiple arcs pressing plate forms identical with arc-shaped welding pieces radian pressure
Hardened structure.
3. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Long arc shape positioning surface be made of horizontal location plate and arc positioning plate；The top of the horizontal location plate is equipped with horizontal pressure
The front side of plate, the arc positioning plate is equipped with arc pressuring plate.
4. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Hold-down mechanism include the top hold-down mechanism set on cabinet top and lower part hold-down mechanism set on cabinet front.
5. the welding method that a kind of section according to claim 4 is the arc-shaped welding pieces of L-type, which is characterized in that described
Top hold-down mechanism include inverted L shape compact heap and the compression bar longitudinally through inverted L shape compact heap；The lower part hold-down mechanism packet
Include compact heap and the compression bar longitudinally through compact heap.
6. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Cabinet side be equipped with multiple locating pieces, pass through locating piece formed limit operating point.
7. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Box house be equipped with 45 ° installation stiffener plates.
8. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Hold-down mechanism quantity it is identical as arc pressuring plate.
9. the welding method that a kind of section according to claim 1 is the arc-shaped welding pieces of L-type, which is characterized in that described
Runing rest be U-shaped structure, the both ends of runing rest are equipped with symmetrical reinforcing rib.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710502667.5A CN107052608B (en) | 2017-06-27 | 2017-06-27 | A kind of section is the welding method of the arc-shaped welding pieces of L-type |
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| CN201710502667.5A CN107052608B (en) | 2017-06-27 | 2017-06-27 | A kind of section is the welding method of the arc-shaped welding pieces of L-type |
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| CN109702486B (en) * | 2018-11-16 | 2020-07-10 | 中铁三局集团有限公司 | Machining device for improving assembling precision of tunnel steel arch frame connecting plate |
| CN109604916A (en) * | 2018-12-07 | 2019-04-12 | 郑州明泰交通新材料有限公司 | End floor beam welding device |
| CN110802361B (en) * | 2019-11-20 | 2021-10-15 | 湖北鸿儒建筑工程有限公司 | Imitative wooden prefabricated aluminum component erection equipment for archaize building |
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| CN205614269U (en) * | 2016-05-20 | 2016-10-05 | 东方电气集团东方汽轮机有限公司 | Clamping frock is used in hollow blade welding |
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| JPS5870978A (en) * | 1981-10-22 | 1983-04-27 | Mitsubishi Electric Corp | Butt welding method for steel plates |
| CN2765711Y (en) * | 2005-02-03 | 2006-03-22 | 上海汽轮机有限公司 | Nozzle set vane erection welding locating device |
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| CN107052608A (en) | 2017-08-18 |
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Denomination of invention: A welding method of arc weldment with L-shaped section Effective date of registration: 20220725 Granted publication date: 20191022 Pledgee: Agricultural Bank of China Limited Haiyang sub branch Pledgor: SHANDONG NUCLEAR POWER EQUIPMENT MANUFACTURING Co.,Ltd. Registration number: Y2022980011031 |
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