CN108188637A - Anti-deformation tool is welded in spherical surface head opening - Google Patents
Anti-deformation tool is welded in spherical surface head opening Download PDFInfo
- Publication number
- CN108188637A CN108188637A CN201810079024.9A CN201810079024A CN108188637A CN 108188637 A CN108188637 A CN 108188637A CN 201810079024 A CN201810079024 A CN 201810079024A CN 108188637 A CN108188637 A CN 108188637A
- Authority
- CN
- China
- Prior art keywords
- plate
- bottom plate
- spherical surface
- backing plate
- retainer plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000003351 stiffener Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008719 thickening Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- 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 relates to a kind of internal stay tool, specifically a kind of spherical surface head opening welding anti-deformation tool.Its feature is to include bottom plate and retainer plate, and retainer plate is located at the top of bottom plate, and backing plate is evenly equipped between retainer plate and bottom plate, and one end of backing plate is stretched out on the inside of retainer plate, between bottom plate and backing plate, backing plate between retainer plate in being fixedly connected.Supporting device is connected on bottom plate on the inside of the retainer plate, the upper end of supporting device is connected with supporting pad.It can ensure that the circularity of spherical surface head opening welding and groove flatness, anti-deformation effect are good using the tooling；And the tooling can not only improve processing efficiency, be also less prone to disfiguring workpiece base material without being welded with the Internal Spherical Surface of end socket；Meanwhile the tooling is reusable, reduces use cost.
Description
Technical field
The present invention relates to a kind of internal stay tool, specifically a kind of spherical surface head opening welding anti-deformation tool is especially suitable
For the large opening weld job for the spherical surface end socket that groove is relatively large in diameter.
Background technology
It is both known about in mechanical processing industry, for many cylindrical pressure vessels, end is all connected with spherical surface end socket,
And it is required for carrying out trepanning on spherical surface end socket and full weld thickening plate is installed.Since container needs to bear external pressure, so to spherical seal
The roundness tolerance of head is more demanding, and spherical surface end socket needs strictly to control welding deformation in the production process.
It is deformed when in the prior art, to prevent spherical surface end socket partially perforation from welding, conventional way is in spherical seal
The Internal Spherical Surface of head sets the support plate identical with its radian, welds together at a certain distance with end socket workpiece, at welding, heat
Support plate is removed again after reason.However, groove is relatively large in diameter（Such as diameter 2800mm）Spherical surface end socket for, thereon
Often offer larger eccentric orfice（Eccentric bore dia 1200mm）.When carrying out thickening plate welding to this eccentric orfice, such as adopt
With curved support plate tooling, the pressure born is usually uneven, and the support force suffered by end socket workpiece is also just uneven, circle
Degree and groove flatness can not ensure that distortion-free effect is poor.Moreover, the curved support plate tooling needs to weld with spherical surface end socket
It connecing in succession, when dismounting, needs to cut, polish again, not only heavy workload, influences processing efficiency, and easily disfiguring workpiece base material,
It needs to carry out repair welding and non-destructive testing.Meanwhile welding and dismounting can also damage tooling so that the tooling, which can only use, several times must
It scraps, use cost is higher.
Invention content
It is an object of the invention to solve the deficiencies in the prior art, a kind of spherical surface head opening welding anti-deformation work is provided
Dress.It can ensure that the circularity of spherical surface head opening welding and groove flatness, anti-deformation effect are good using the tooling；And the tooling
Without being welded with the Internal Spherical Surface of end socket, processing efficiency can be not only improved, is also less prone to disfiguring workpiece base material；Meanwhile the tooling can weigh
It is multiple to use, reduce use cost.
To solve the above problems, take following technical scheme：
The characteristics of spherical surface head opening welding anti-deformation tool of the present invention is to include bottom plate and retainer plate, and retainer plate is located at bottom plate
Top, and backing plate is evenly equipped between retainer plate and bottom plate, one end of backing plate is stretched out on the inside of retainer plate, between bottom plate and backing plate,
It is in be fixedly connected between backing plate and retainer plate.Be connected with supporting device on bottom plate on the inside of the retainer plate, supporting device it is upper
End is connected with supporting pad.
Further improvement of the present invention scheme is that the bottom plate is the frame structure of square tube interconnection arranged by longitude and latitude,
And warp-wise is equal with the square tube quantity of broadwise.The square tube at the position of two close end by being respectively and fixedly provided with a backing plate, all backing plates
Outer end line it is complete round in one.
Wherein, in welding cooperation between the bottom plate and backing plate, between backing plate and retainer plate.
The supporting device is jack, is connected between the lower end of the jack and the bottom plate by bearing.
The further improvement project of the present invention is that the supporting pad includes fagging, and the periphery of the fagging is circle, in
Arch upward spherical arc upwards in portion.The lower surface edge of the fagging has ring stiffener, and diameter is evenly equipped on the inside of ring stiffener
To reinforcing rib, the inner end of radial reinforcing rib converges at the center of fagging, and the lower surface of warp-wise reinforcing rib inner end is each attached to one
On a planchet block, the upper end of the supporting device offsets with the planchet block.
Said program is taken, is had the following advantages：
The spherical surface head opening welding anti-deformation tool of the present invention includes bottom plate and retainer plate, and retainer plate is located at the top of bottom plate,
And backing plate is evenly equipped between retainer plate and bottom plate, one end of backing plate is stretched out on the inside of retainer plate, between bottom plate and backing plate, backing plate with it is solid
It is in be fixedly connected between fixed circle；Supporting device is connected on bottom plate on the inside of retainer plate, the upper end of supporting device is connected with support
Pad.In use, the groove plane of spherical surface end socket to be welded is placed in the retainer plate of the tooling and is welded together with backing plate,
Ensure that groove outer edge is touched with retainer plate inner edge in virtual connection simultaneously.Then, supporting pad is withstood on into eccentric orfice using supporting device
Lower section, you can carry out thickening plate weld job.From supporting device and supporting pad to the support force direction that end socket generates and weld seam to
The power of contract on the contrary, and support force can be uniformly distributed in weld seam surrounding, avoid discontinuity and be deformed, ensure envelope
Head circularity.And retainer plate can limit the outside dilatating and deformable of spherical surface grooves with seal heads, ensure groove flatness.Moreover, welding
During operation, spherical surface end socket only has root face and the backing plate of the tooling mutually welds, and not only installation and dismantlement work amount are small, can improve
Processing efficiency, additionally it is possible to ensure that the spherical surface of end socket workpiece is injury-free.Meanwhile the tooling is being welded and is being torn open with end socket workpiece
Except when, a small amount of damage is only locally generated to backing plate.After a number of uses, only needing to change backing plate can reuse again, can
Reduce the use cost of tooling.
Further, using the bottom plate of square tube frame structure, bottom plate rigidity can be improved, reduces consumptive material, while can facilitate
Supporting device shores operation.
Further, supporting pad uses the fagging of spherical surface arc and ring stiffener, radial reinforcing rib and planchet block phase
The structure of cooperation can not only improve the intensity of supporting pad, can also improve the stability supported between supporting pad and supporting device.
Description of the drawings
Fig. 1 is the structure diagram of the spherical surface head opening welding anti-deformation tool of the present invention；
Fig. 2 is the circuit theory schematic diagram of Fig. 1 bottom plates；
Fig. 3 is the dimensional structure diagram of supporting pad in Fig. 1；
Fig. 4 is the enlarged diagram in I portions in Fig. 1；
Fig. 5 is the schematic diagram with the cooperation assembling of spherical surface end socket when the spherical surface head opening welding anti-deformation tool of the present invention uses.
Specific embodiment
The present invention is described in further details below in conjunction with attached drawing.
As described in Figure 1, spherical surface head opening of the invention welding anti-deformation tool includes bottom plate 1 and retainer plate 2, retainer plate
2 are located at the top of bottom plate 1, and backing plate 5 is evenly equipped between retainer plate 2 and bottom plate 1, and one end of backing plate 5 is stretched out in retainer plate 2
Side, between bottom plate 1 and backing plate 5, backing plate 5 between retainer plate 2 in being fixedly connected.In the present embodiment, between the bottom plate 1 and backing plate 5,
In welding cooperation between backing plate 5 and retainer plate 2.Supporting device 4, supporting device are connected on the bottom plate 1 of 2 inside of retainer plate
4 upper end is connected with supporting pad 3.
As shown in Fig. 2, the bottom plate 1 is the frame structure of 6 interconnection of square tube arranged by longitude and latitude, and warp-wise and broadwise
6 quantity of square tube it is equal.The square tube 6 connects by being respectively and fixedly provided with a backing plate 5, the outer end of all backing plates 5 at the position of two close end
Line is complete round in one so that when retainer plate 2 is connect with bottom plate 1, it can be ensured that the outer end of backing plate 5 is welded on retainer plate
2 bottoms, while the inner end of backing plate 5 is stretched out in retainer plate 2, to ensure that backing plate 5 has enough plane spaces to be used for and end socket
Workpiece welds.
As shown in Figure 1 and Figure 4, the supporting device 4 is jack, is passed through between the lower end of the jack and the bottom plate 1
Bearing 11 is connected.The mode for contacting and offseting can be used between the lower end of jack and bearing 11 to coordinate, hinged mode can also be used
Coordinate or even the connection of jack, bearing 11 and bottom plate 1 can be designed to the structure of universal wheel, used as long as disclosure satisfy that
When the Impact direction of jack is overlapped with its axis.
As shown in figure 3, the supporting pad 3 includes fagging 7, the periphery of the fagging 7 is circle, internal to arch upward upwards in ball
Face arc.The lower surface edge of the fagging 7 has ring stiffener 10, and 10 inside of ring stiffener is evenly equipped with radial reinforcing rib 8,
The inner end of radial reinforcing rib 8 converges at the center of fagging 7, and the lower surface of warp-wise reinforcing rib inner end is each attached to a planchet block
On 9, the supporting device 4（Jack）Upper end offset with the planchet block 9.
In use, as shown in figure 5, by the retainer plate in 12 trepanning of the spherical surface end socket workpiece welding anti-deformation tool of the present invention
2 are welded on 5 outer end of backing plate of 1 frame structure of bottom plate, and the groove plane of spherical surface end socket workpiece 12 to be welded is placed in fixation
Weld together in circle 2 with 5 inner end of backing plate, while ensure that the groove outer edge of end socket workpiece is touched with 2 inner edge of retainer plate in virtual connection.
Then, supporting pad 3 is withstood below the eccentric orfice of spherical surface end socket workpiece 12 using jack, the lower end of jack passes through bearing 11
It is supported on bottom plate 1.Finally, the thickening plate 13 for needing to weld is placed at eccentric orfice in 12 outside of spherical surface end socket workpiece, you can
Carry out weld job.Since thickening plate 13 is also spheric, it can fit with the fagging of supporting pad 37 completely, make
Obtain the uniform force of 7 top of fagging.And the ring stiffener 10 and radial reinforcing rib 8 of 7 lower section of fagging can improve the firm of fagging 7
Property Structure ＆ Intensity, while the power of shoring of jack can also be disperseed around by planchet block 9 so that the stress of 7 lower section of fagging
Also uniformly.During 7 bearing up-down force of fagging of supporting pad 3 uniformly can be ensured that welding, spherical surface end socket workpiece 12 and thickening plate
13 be all not in local collapse deformation.Meanwhile the retainer plate 2 on 1 backing plate 5 of bottom plate is welded on, spherical surface end socket work can be limited
The groove of part 12 expands outwardly deformation, ensures the flatness of groove.
For the tooling when carrying out assembly or disassembly with end socket workpiece, end socket workpiece only has the backing plate needed at groove with tooling
5 are welded or except weldering, will not disfiguring workpiece surfaces externally and internally base material.And backing plate 5 is selected to the material identical with end socket workpiece,
It also can ensure that the groove of not disfiguring workpiece.Meanwhile in the tooling, the backing plate 5 only on bottom plate 1 is consumables.Through multiple
When welding, leading to the damage of backing plate 5 except weldering, the backing plate 5 of damage need to only be replaced, it is possible to the tooling is reused, so as to improve
The service life of tooling reduces use cost.
Claims (5)
1. anti-deformation tool is welded in spherical surface head opening, it is characterised in that including bottom plate（1）And retainer plate（2）, retainer plate（2）Position
In bottom plate（1）Top, and retainer plate（2）With bottom plate（1）Between be evenly equipped with backing plate（5）, backing plate（5）One end stretch out in fixation
Circle（2）Inside, bottom plate（1）With backing plate（5）Between, backing plate（5）With retainer plate（2）Between in being fixedly connected；The retainer plate（2）It is interior
The bottom plate of side（1）On be connected with supporting device（4）, supporting device（4）Upper end be connected with supporting pad（3）.
2. anti-deformation tool is welded in spherical surface head opening as described in claim 1, it is characterised in that the bottom plate（1）It is by passing through
The square tube of latitude arrangement（6）The frame structure of interconnection, and the square tube of warp-wise and broadwise（6）Quantity is equal；The square tube（6）It leans on
A backing plate is respectively and fixedly provided at the position of two close end（5）, all backing plates（5）Outer end line it is complete round in one.
3. anti-deformation tool is welded in spherical surface head opening as described in claim 1, it is characterised in that the bottom plate（1）With backing plate
（5）Between, backing plate（5）With retainer plate（2）Between in welding cooperation.
4. anti-deformation tool is welded in spherical surface head opening as described in claim 1, it is characterised in that the supporting device（4）For
Jack, the lower end of the jack and the bottom plate（1）Between pass through bearing（11）It is connected.
5. spherical surface head opening welding anti-deformation tool according to any one of claims 1 to 4, it is characterised in that the branch
Stake pad（3）Including fagging（7）, the fagging（7）Periphery be circle, inside arch upward upwards spherical arc；The fagging（7）
Lower surface edge have ring stiffener（10）, ring stiffener（10）Inside is evenly equipped with radial reinforcing rib（8）, radial reinforcing rib
（8）Inner end converge at fagging（7）Center, and the lower surface of warp-wise reinforcing rib inner end is each attached to a planchet block（9）On,
The supporting device（4）Upper end and the planchet block（9）It offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079024.9A CN108188637B (en) | 2018-01-29 | 2018-01-29 | Spherical head open hole welding anti-deformation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079024.9A CN108188637B (en) | 2018-01-29 | 2018-01-29 | Spherical head open hole welding anti-deformation tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188637A true CN108188637A (en) | 2018-06-22 |
| CN108188637B CN108188637B (en) | 2024-04-02 |
Family
ID=62591436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810079024.9A Active CN108188637B (en) | 2018-01-29 | 2018-01-29 | Spherical head open hole welding anti-deformation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188637B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570877A (en) * | 2018-12-29 | 2019-04-05 | 哈电集团（秦皇岛）重型装备有限公司 | A method of it preventing the device of tube sheet built-up welding deformation and it is utilized to carry out built-up welding |
| CN114131255A (en) * | 2021-12-22 | 2022-03-04 | 一重集团大连核电石化有限公司 | Device and method for controlling welding deformation precision dimension of thin-wall end socket multi-connecting pipe |
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| SU948595A1 (en) * | 1980-12-22 | 1982-08-07 | Производственное Объединение "Ждановтяжмаш" | Stand for assembling and welding annular seams |
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| CN202861683U (en) * | 2012-08-14 | 2013-04-10 | 山东鑫昊特种装备股份有限公司 | Rear end socket fixing device in pressure container production process |
| CN103464905A (en) * | 2013-09-12 | 2013-12-25 | 上海航天精密机械研究所 | Clamping device adoptable for cutting and welding rocket tank bottom longitudinal seam through laser |
| CN104772626A (en) * | 2015-04-24 | 2015-07-15 | 艾美特焊接自动化技术(北京)有限公司 | Milling and welding integrated device for upper and lower circular seams in bottom of storage box |
| CN205271261U (en) * | 2015-12-07 | 2016-06-01 | 天津中际装备制造有限公司 | Outer groove of head add clamping apparatus |
| CN106216924A (en) * | 2016-09-20 | 2016-12-14 | 上海电气核电设备有限公司 | A kind of low head nozzle inner wall fixing tool during built-up welding on positioner |
| CN205914939U (en) * | 2016-08-27 | 2017-02-01 | 山东奥扬新能源科技股份有限公司 | Outer back head cross -shaped supporting welding position frock |
| CN207953038U (en) * | 2018-01-29 | 2018-10-12 | 无锡海核装备科技有限公司 | Anti-deformation tool is welded in spherical surface head opening |
-
2018
- 2018-01-29 CN CN201810079024.9A patent/CN108188637B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU948595A1 (en) * | 1980-12-22 | 1982-08-07 | Производственное Объединение "Ждановтяжмаш" | Stand for assembling and welding annular seams |
| CN202479749U (en) * | 2012-03-08 | 2012-10-10 | 东方电气河南电站辅机制造有限公司 | Power station pressure vessel end enclosure welding position changing device |
| CN202861683U (en) * | 2012-08-14 | 2013-04-10 | 山东鑫昊特种装备股份有限公司 | Rear end socket fixing device in pressure container production process |
| CN103464905A (en) * | 2013-09-12 | 2013-12-25 | 上海航天精密机械研究所 | Clamping device adoptable for cutting and welding rocket tank bottom longitudinal seam through laser |
| CN104772626A (en) * | 2015-04-24 | 2015-07-15 | 艾美特焊接自动化技术(北京)有限公司 | Milling and welding integrated device for upper and lower circular seams in bottom of storage box |
| CN205271261U (en) * | 2015-12-07 | 2016-06-01 | 天津中际装备制造有限公司 | Outer groove of head add clamping apparatus |
| CN205914939U (en) * | 2016-08-27 | 2017-02-01 | 山东奥扬新能源科技股份有限公司 | Outer back head cross -shaped supporting welding position frock |
| CN106216924A (en) * | 2016-09-20 | 2016-12-14 | 上海电气核电设备有限公司 | A kind of low head nozzle inner wall fixing tool during built-up welding on positioner |
| CN207953038U (en) * | 2018-01-29 | 2018-10-12 | 无锡海核装备科技有限公司 | Anti-deformation tool is welded in spherical surface head opening |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570877A (en) * | 2018-12-29 | 2019-04-05 | 哈电集团（秦皇岛）重型装备有限公司 | A method of it preventing the device of tube sheet built-up welding deformation and it is utilized to carry out built-up welding |
| CN109570877B (en) * | 2018-12-29 | 2024-04-19 | 哈电集团（秦皇岛）重型装备有限公司 | Device for preventing tube plate from surfacing deformation and surfacing method using device |
| CN114131255A (en) * | 2021-12-22 | 2022-03-04 | 一重集团大连核电石化有限公司 | Device and method for controlling welding deformation precision dimension of thin-wall end socket multi-connecting pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108188637B (en) | 2024-04-02 |
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