CN107052608A - A kind of section is the welder and method of the arc-shaped welding pieces of L-type - Google Patents
A kind of section is the welder and method of the arc-shaped welding pieces of L-type Download PDFInfo
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- CN107052608A CN107052608A CN201710502667.5A CN201710502667A CN107052608A CN 107052608 A CN107052608 A CN 107052608A CN 201710502667 A CN201710502667 A CN 201710502667A CN 107052608 A CN107052608 A CN 107052608A
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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 invention provides welder and method of a kind of section for the arc-shaped welding pieces of L-type, it solve exist in the prior art relatively regular plate can only be carried out welding rigidly fix, can not at the same complete to high-precision group of arcuate structure to the problem of, with the high effect of welding precision, its technical scheme is：Runing rest including casing and lower box, the long arc shape locating surface that section is L-type is welded with casing, the side of described long arc shape locating surface is provided with multiple arcs pressing plate, arc-shaped welding pieces are located between long arc shape locating surface and multiple arcs pressing plate, are clamped by the hold-down mechanism being welded on casing and are realized that the segmentation of arc-shaped welding pieces is compressed；Connected between described casing and runing rest by rotary shaft, casing 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 section
For the welder and method of the arc-shaped welding pieces of L-type.
Background technology
Permanent heap chamber sealing ring, is arranged between reactor pressure vessel sealing strip and fuel tank plate backing plate, is one
The water sealing device of annular.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
Sealed section can be with the expansion of absorbing reaction core pressure vessel radial direction and vertical direction.Permanent heap chamber sealing ring is in power station by 6
Section identical arcuate structure and the weldering of connecting plate group are formed, and the arcuate structure 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, it is impossible to while completing 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 summary, in the prior art for high-precision group of arcuate structure to, weld industry the problem of, still lack
Effective solution.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of welding dress of section for the arc-shaped welding pieces of L-type
Put, the method compressed is segmented using to weldment, the wave for being effectively controlled stainless sheet steel produced by welding process
Deformation；Welding precision is high, reduction labor intensity.
A kind of section is the welder of the arc-shaped welding pieces of L-type, including：
The long arc shape locating surface that section is L-type is welded with casing, casing, the side of described long arc shape locating surface is provided with
Multiple arcs pressing plate, arc-shaped welding pieces are located between long arc shape locating surface and multiple arcs pressing plate, by being welded on casing
Hold-down mechanism, which is clamped, realizes that the segmentation of arc-shaped welding pieces is compressed；
The runing rest of lower box, is connected between described casing and runing rest by rotary shaft, and casing can be around rotation
Multi-faceted welding is realized in 360 ° of rotations of rotating shaft.
Further, the radian of described long arc shape locating surface is identical with arc-shaped welding pieces, multiple arcs pressing plate composition with
Arc-shaped welding pieces radian identical pressure plate structure.
Further, described long arc shape locating surface is made up of horizontal location plate and arc location-plate；Described level is determined
The top of position plate is provided with horizontal pressure foot, and the front side of described arc location-plate is provided with arc pressuring plate.
Further, described hold-down mechanism is included located at the top hold-down mechanism on casing top and located at cabinet front
Bottom hold-down mechanism.
Further, described top hold-down mechanism includes inverted L shape compact heap and the pressure longitudinally through inverted L shape compact heap
Bar；Described bottom hold-down mechanism includes compact heap and the depression bar longitudinally through compact heap.
Further, the side of described casing is provided with multiple locating pieces, and spacing operating point is formed by locating piece.
Further, described box house is provided with the stiffener plate of 45 ° of installations.
Further, the quantity of described hold-down mechanism is identical with arc pressuring plate.
Further, described runing rest is U-shape structure, and the two ends of runing rest are provided with symmetrical reinforcement.
Present invention also offers a kind of welding method of section for the arc-shaped welding pieces of L-type, with to long arc shape stainless steel
Thin plate welded carry out fast and accurately weld before group to, efficiency high, the measured effect of matter.
Comprise the following steps：
Step 1：Horizontal arc and vertical arc plate to be welded are positioned to welder, will be intersected therebetween
Place's group is into a tight arc crest line, and two ends can not have misalignment；
Step 2：Regulation top hold-down mechanism and bottom hold-down mechanism, make horizontal arc and vertical arc plate pressure respectively
Tightly；
Step 3：Rotary welding device, two weld seams between weld horizontal arc and vertical arc plate；
Step 4：On welder, group is fixed to arc gusset I, and spot welding；
Step 5：Rotary welding device, two weld seams between welding vertical arc plate and arc gusset I；
Step 6：After weld seam is soldered, top hold-down mechanism and bottom hold-down mechanism are reversely adjusted；On welder, group pair
Arc gusset II, regulation 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 and arc gusset II；
Step 8：After weld seam cooling, arc-shaped welding pieces are disassembled from welder.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) long arc shape locating surface of the invention is designed according to the arc of welding workpiece, and is processed through Digit Control Machine Tool, can
Group pair before fast and accurately welding is carried out to long arc shape stainless sheet steel weldment, efficiency high, quality are good；
(2) rotary body that hold-down mechanism of the invention is constituted with casing is into an entirety, simple in construction, compact, compacting machine
The rigidity and intensity of structure are reliable；
(3) present invention is compressed to weldment cambered surface using the segmentation of multiple arcs pressing plate, the radian of each pressing plate seal face
Identical with pressed workpiece surface radian, pressing plate is rigidly good, pressing plate arc deformation is small, pressure distribution uniform, it is reliable to compress, effectively
The wave transformation that stainless sheet steel is controlled produced by welding process；
(4) present invention employs rotational structure, the convenient reverse welding to each weld seam of weldment is simple in construction dexterous, easy
In operating, reduce labor intensity, at the same it also avoid because upset and caused by workpiece deformation.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is front 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 front view of the invention；
Fig. 5 is runing rest top view of the invention；
Fig. 6 is casing front view of the invention；
Fig. 7 is casing top view of the invention；
Fig. 8 is casing side view of the invention；
Fig. 9 is casing A-A sectional views of the invention；
Figure 10 is casing B-B sectional views of the invention；
Figure 11 is arc pressuring plate structure chart of the invention；
Figure 12 is the front view of the arc-shaped welding pieces of the present invention；
Figure 13 is arc-shaped welding pieces top view of the invention；
Figure 14 is arc-shaped welding pieces A-A sectional views of the invention；
Wherein, 1- vertical arcs plate, the horizontal arcs of 2-, 3- arc gusset I, 4- arc gusset II, 5- runing rests, 6-
Casing, 7- rotary shafts, 8- locating pieces, 9- tops hold-down mechanism, 10- bottoms hold-down mechanism, 11- arc pressuring plates, the positioning of 12- arcs
Plate, 13- stiffener plates, 14- horizontal location plates.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with 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 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 singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, exist in the prior art relatively regular plate can only be carried out welding rigidly fix,
Can not complete simultaneously to high-precision group of arcuate structure to deficiency, 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, there is provided the arc that a kind of section is L-type as Figure 1-Figure 11
The welder of weldment, including casing 6 and the runing rest 5 for being arranged at the bottom of casing 6, described casing 6 and runing rest 5
Between connected by rotary shaft 7, casing 6 can around rotary shaft 5 carry out 360 ° of rotations realize multi-faceted welding.
Described casing 6 is the rectangular configuration of closing, and the bottom of casing 6 is provided with supporting plate, and casing is constituted with supporting plate to be revolved
Swivel；The long arc shape locating surface that section is L-type is welded with casing 6, is processed by Digit Control Machine Tool in clamped one time, shape
Strictly controlled with positional precision, meet the requirement of Product Precision.Long arc shape locating surface is welded on body structure, intensity
High, small, the locating surface precision of deformation can be kept for a long time, weldment can be made reliably to be positioned.The radian of long arc shape locating surface
It is identical with arc-shaped welding pieces, it is ensured that accurate group pair before weldering of weldment.
In order to improve the intensity of welder, save space, box house is provided with the stiffener plate 13 of 45 ° of installations.
The side of described long arc shape locating surface is provided with multiple arcs pressing plate 11, and arc-shaped welding pieces are located at long arc shape locating surface
Between multiple arcs pressing plate 11, clamped by the hold-down mechanism being welded on casing 6 and realize that the segmentation of arc-shaped welding pieces is compressed.
Multiple arcs pressing plate 11 is constituted and arc-shaped welding pieces radian identical pressure plate structure, the rigid good, arc deformation of pressing plate
Small, pressure distribution is uniform, compress reliable, to be effectively controlled arc-shaped welding pieces produced by welding process wave transformation,
Solve when being compressed using single long radian pressing plate, can cause that pressing plate poor rigidity, pressing plate cambered surface be yielding, pressure distribution is uneven
The problems such as even, frock anti-deformation poor performance.
The quantity of above-mentioned hold-down mechanism is identical with arc pressuring plate.
As shown in Fig. 8 and Figure 10, long arc shape locating surface is made up of horizontal location plate 14 and arc location-plate 12, horizontal location
Plate 14 and arc location-plate 12 are arranged at right angle side formation and the arc-shaped welding pieces of the front end of casing 6 (being considered as front side with front view)
Section identical L-type structure, the top of horizontal location plate 14 is provided with horizontal pressure foot, and the front side of described arc location-plate 12 is provided with
Arc pressuring plate 11；Arc-shaped welding pieces are arranged between long arc shape locating surface and multiple arcs pressing plate 11.
Above-mentioned hold-down mechanism includes the top hold-down mechanism 9 located at the top of casing 6 and the bottom pressure located at the front side of casing 6
Tight mechanism 10.Top hold-down mechanism 9 includes inverted L shape compact heap and the depression bar I longitudinally through inverted L shape compact heap, depression bar I bottom
With the tip contact of horizontal pressure foot；Described bottom hold-down mechanism 10 includes compact heap and the depression bar II longitudinally through compact heap,
Depression bar II rear end and the preceding end in contact of arc pressuring plate 11.
One end of above-mentioned L-type compact heap is welded on casing 6, the other end be located at horizontal pressure foot top and with level pressure
Plate has a certain distance.
The lower end of above-mentioned compact heap is welded in supporting plate and positioned at the front side of casing 6, with casing 6 have it is certain away from
From；Compact heap is rectangular parallelepiped structure, is extended by supporting plate, makes hold-down mechanism and rotary body into an entirety, simple in construction,
Compact and reasonable.
Above-mentioned depression bar I and depression bar II can be bolt or screw rod or other threaded cylinders 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 angle that the side of casing 6 is provided between three locating pieces 8, adjacent positioned block 8 is 90 °；
Spacing operating point is formed by locating piece 8, the reverse welding to weldment each side position weld seam is facilitated, it is simple in construction dexterous, easy
In operating, reduce labor intensity, at the same it also avoid because upset and caused by workpiece deformation.
The application finds out the specific center of gravity of rotary body by software analysis, this center of gravity is set into the position of rotary shaft 7, and lead to
Two positioning holes of the rotary shaft 7 crossed on Digit Control Machine Tool machining box, it is ensured that positioning hole with one heart, finally causes welder rotary flat
Surely, not eccentric, safety coefficient is high.Simultaneously take into account general structure it is rational in the case of, support height be adapted to operating personnel carry out
Welding, reduces labor intensity.
Described runing rest 5 is U-shape structure, and the two ends of runing rest 5 are respectively equipped with symmetrical reinforcement, to ensure branch
The stability of support.
There is provided a kind of welding method of section for the arc-shaped welding pieces of L-type in the another embodiment of the application, its
In, section is that the arc-shaped welding pieces of L-type are stainless sheet steel, and its structure chart is as shown in Figure 12-Figure 14, including part vertical arc plate
1st, horizontal arc 2, arc gusset I3 and arc gusset II4；Horizontal arc 2 and 1 group of postwelding of vertical arc plate, its section is
L-type, radian is 60 degree, and outer arc chord length is about 3000mm.
Section comprises the following steps for the welding process of the arc-shaped welding pieces of L-type：
Step 1：Horizontal arc 2 and vertical arc plate 1 to be welded are positioned to welder, will phase therebetween
Group is into a tight arc crest line at friendship, and two ends can not have misalignment；
Step 2：Regulation top hold-down mechanism 9 and bottom hold-down mechanism 10, make horizontal arc 2 and vertical arc plate respectively
1 compresses；
Step 3：Rotary welding device, two weld seams between weld horizontal arc 2 and vertical arc plate 1；
Step 4：On welder, group is fixed to arc gusset I3, and spot welding；
Step 5：Rotary welding device, two weld seams between welding vertical arc plate 1 and arc gusset I3；
Step 6：After weld seam is soldered, top hold-down mechanism 9 and bottom hold-down mechanism 10 are reversely adjusted；On welder,
Group is to arc gusset II4, and regulation 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 2 and arc gusset II4；
Step 8：After weld seam cooling, arc-shaped welding pieces are disassembled from welder.
Through above-mentioned welding operation, the preceding high-precision group of two thin plates weldering of section L-type is solved to problem, by two thin plate groups pair
The tight camber line for being about 3000mm into a length；Rigidly fixing principle by high accuracy, to solve workpiece welding deformation big
Problem, it is ensured that its higher weld size precision.
The weld seam of high-precision long arc shape stainless sheet steel weldment is distributed in all directions, it is necessary to reverse welding, the application
Employ runing rest instead of driving upset, it is easily operated, reduce labor intensity, while it also avoid because upset and caused by
Workpiece deformation.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of section is the welder of the arc-shaped welding pieces of L-type, it is characterised in that including：
The long arc shape locating surface that section is L-type is welded with casing, casing, the side of described long arc shape locating surface is provided with multiple
Arc pressuring plate, arc-shaped welding pieces are located between long arc shape locating surface and multiple arcs pressing plate, pass through the compression being welded on casing
Gear grips realize that the segmentation of arc-shaped welding pieces is compressed；
The runing rest of lower box, is connected between described casing and runing rest by rotary shaft, and casing can be around rotary shaft
Multi-faceted welding is realized in 360 ° of rotations.
2. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Long arc shape locating surface radian it is identical with arc-shaped welding pieces, multiple arcs pressing plate composition with arc-shaped welding pieces radian identical pressure
Hardened structure.
3. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Long arc shape locating surface be made up of horizontal location plate and arc location-plate；The top of described horizontal location plate is provided with level pressure
Plate, the front side of described arc location-plate is provided with arc pressuring plate.
4. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Hold-down mechanism include located at casing top top hold-down mechanism and the bottom hold-down mechanism located at cabinet front.
5. a kind of section according to claim 4 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Top hold-down mechanism include inverted L shape compact heap and the depression bar longitudinally through inverted L shape compact heap；Described bottom hold-down mechanism bag
Include compact heap and the depression bar longitudinally through compact heap.
6. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Casing side be provided with multiple locating pieces, spacing operating point is formed by locating piece.
7. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Box house be provided with 45 ° installation stiffener plates.
8. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Hold-down mechanism quantity it is identical with arc pressuring plate.
9. a kind of section according to claim 1 is the welder of the arc-shaped welding pieces of L-type, it is characterised in that described
Runing rest be U-shape structure, the two ends of runing rest are provided with symmetrical reinforcement.
10. according to a kind of welding method of any described sections of claim 1-9 for the arc-shaped welding pieces of L-type, its feature exists
In comprising the following steps：
Step 1：Horizontal arc and vertical arc plate to be welded are positioned to welder, will intersection group therebetween
To into a tight arc crest line, and two ends can not have misalignment；
Step 2：Regulation top hold-down mechanism and bottom hold-down mechanism, compress horizontal arc and vertical arc plate respectively；
Step 3：Rotary welding device, two weld seams between weld horizontal arc and vertical arc plate；
Step 4：On welder, group is fixed to arc gusset I, and spot welding；
Step 5：Rotary welding device, two weld seams between welding vertical arc plate and arc gusset I；
Step 6：After weld seam is soldered, top hold-down mechanism and bottom hold-down mechanism are reversely adjusted；On welder, group is to arc
Gusset II, regulation 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 and arc gusset II；
Step 8：After weld seam cooling, arc-shaped welding pieces are disassembled from welder.
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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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511613A (en) * | 2017-09-30 | 2017-12-26 | 中国水电四局（祥云）机械能源装备有限公司 | A kind of reverse assembling method of power station gates of segmental shape gate flap and special tooling |
| 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 |
| CN109702486A (en) * | 2018-11-16 | 2019-05-03 | 中铁三局集团有限公司 | A kind of processing unit (plant) improving tunnel steel arch frame connecting plate splicing accuracy |
| CN110802361A (en) * | 2019-11-20 | 2020-02-18 | 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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| CN105290559A (en) * | 2015-11-12 | 2016-02-03 | 西安航空动力股份有限公司 | Energy storage spot-welding locating and clamping device of stationary blade fan-shaped block welding assembly |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511613A (en) * | 2017-09-30 | 2017-12-26 | 中国水电四局（祥云）机械能源装备有限公司 | A kind of reverse assembling method of power station gates of segmental shape gate flap and special tooling |
| CN109702486A (en) * | 2018-11-16 | 2019-05-03 | 中铁三局集团有限公司 | A kind of processing unit (plant) improving tunnel steel arch frame connecting plate splicing accuracy |
| 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 |
| CN110802361A (en) * | 2019-11-20 | 2020-02-18 | 湖北鸿儒建筑工程有限公司 | Imitative wooden prefabricated aluminum component erection equipment for archaize building |
| 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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|---|---|
| CN107052608B (en) | 2019-10-22 |
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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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