CN106736218B - Macrotype spherical shell girth welding holding clamp and the method for utilizing its girth welding - Google Patents
Macrotype spherical shell girth welding holding clamp and the method for utilizing its girth welding Download PDFInfo
- Publication number
- CN106736218B CN106736218B CN201710038232.XA CN201710038232A CN106736218B CN 106736218 B CN106736218 B CN 106736218B CN 201710038232 A CN201710038232 A CN 201710038232A CN 106736218 B CN106736218 B CN 106736218B
- Authority
- CN
- China
- Prior art keywords
- spherical shell
- welding
- deformation ring
- support base
- support
- 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.)
- Active
Links
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 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of macrotype spherical shell girth welding holding clamps,The holding clamp includes anti-deformation ring (1),The fixed disk (2) being fixedly connected with anti-deformation ring (1),It is used to support the support base (3) of spherical shell and sockets part (4),Wherein,Anti-deformation ring (1) is arranged at spherical shell both ends,Fixed disk (2) are fixedly installed on anti-deformation ring (1),Spherical shell is set to support base (3) by the support rod (21) on fixed disk (2) and is socketed on part (4),And makes to socket part (4) and spherical shell welds,To support base (3) and sockets part (4) and support spherical shell jointly,In the weld seam of solder ball shell,Welder head is not only convenient for before welding to welding position automatic capturing,And once rotation shell can weld same two weld seams through on coil simultaneously,Improve working efficiency.
Description
Technical field
The present invention relates to one kind, and fixture is welded and fixed, in particular to a kind of macrotype spherical shell circumferential weld automatic welding fixing card
Tool.
Background technique
Macrotype spherical shell is usually distinguished by multiple melons and is spliced that the welding quality of splicing welding joint becomes entire in order to influence
The key factor of product quality.For traditional pressure vessel, the welding of large-scale spherical shell generally uses manual welding.Using hand
Equipment, the tool tooling that work welding needs are less, small by external influence factor, and operation is also more convenient, therefore manual welding mode exists
It is more universal in the welding of large-scale spherical shell.But its disadvantage is also more obvious, i.e., welding quality depends greatly on welder
Personal weld horizontal, this brings biggish unstability to product quality.And for nuclear power main equipment, weldquality
Detection means and require it is all higher than traditional pressure vessel, many times require that weld seam is disposably qualified, therefore traditional hand
The circumferential weld welding of work bond pattern spherical shell medium-and-large-sized for nuclear power product has biggish quality risk.And the manual welding time
Also longer, labor intensity is higher, slows down product manufacturing progress to a certain extent, increases the probability for quality problems occur.
Summary of the invention
To solve the above-mentioned problems, present inventor has performed sharp studies, as a result, it has been found that：It is solid respectively at spherical shell both ends
Surely it is provided with anti-deformation ring (1), fixed disk (2) are fixedly installed on anti-deformation ring (1), passes through the support on fixed disk (2)
Spherical shell is set to support base (3) and socketed on part (4) by bar (21), and makes to socket part (4) and spherical shell welding, from
And support base (3) and socket part (4) and support spherical shell jointly, in the weld seam of solder ball shell, it is not only convenient for welding machine machine
Head is before welding to welding position automatic capturing, and once rotation shell can weld same two welderings through on coil simultaneously
Seam improves working efficiency, so as to complete the present invention.
The purpose of the present invention is to provide a kind of macrotype spherical shell girth welding holding clamps, which is characterized in that this is solid
Determining fixture includes anti-deformation device and support device, wherein the anti-deformation device include anti-deformation ring (1) and with anti-deformation ring
(1) fixed disk (2) being fixedly connected；The support device includes being used to support the support base (3) of spherical shell and socketing part
(4), wherein
Anti-deformation ring (1) is annular slab, is fixedly installed on spherical shell both ends, the anti-deformation ring (1) is in its outer rim
Multiple grooves (11) are offered along the radial direction of anti-deformation ring (1)；
Fixed disk (2) is circular slab, is installed on anti-deformation ring (1) inner edge, the surface outside fixed disk (2) spherical shell
On, it is fixedly installed support rod (21) along central shaft direction, the support rod (21) is cylindrical bar, with support base (3)
On buckle match；
Support base (3) is column, and support base (3) top is provided with the buckle matched with support rod (21)；
Socketing part (4) is metal plate or metal block, and one end is fixedly connected with supporting bable tops, and the other end is and spherical shell
The identical arc in outer surface, and be fixedly connected with the outer surface of spherical shell.
Detailed description of the invention
Fig. 1 shows the schematic perspective view of holding clamp of the present invention；
Fig. 2 shows holding clamp working state figures of the present invention.
Drawing reference numeral explanation：
1- anti-deformation ring
11- groove
2- fixed disk
21- support rod
3- support base
31- stiffener plate
The top 32- pipe collar
The top 321- holds ear
The lower part 33- pipe collar
The lower part 331- holds ear
34- supporting element
4- sockets part
5- positioner work top
6- positioner
7- ground
Specific embodiment
Present invention will now be described in detail, and the features and advantages of the invention will become more with these explanations
It is clear, clear.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the attached drawings
In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", "front", "rear", " left side "
The orientation or positional relationship of instructions such as " right sides " is based on the orientation or positional relationship under working condition of the present invention, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance with " the 4th ".
The present invention described below.
According to the present invention, a kind of macrotype spherical shell girth welding holding clamp is provided, which is characterized in that the holding clamp
Including anti-deformation device and support device, wherein the anti-deformation device includes anti-deformation ring 1 and fixes company with anti-deformation ring 1
The fixed disk 2 connect；The support device includes being used to support the support base 3 of spherical shell and socketing part 4.
The anti-deformation ring 1 is annular slab, is fixedly installed on spherical shell both ends, the anti-deformation ring 1 is in its outer rim
Multiple grooves 11 are offered along the radial direction of anti-deformation ring 1.
In the present invention, the spherical shell is to be distinguished to be spliced by muti-piece melon, it is preferable that is to distinguish spelling by even numbered blocks melon
Made of connecing, to keep the weld seam on spherical shell symmetrical, it is highly preferred that being to be distinguished to be spliced by eight pieces of melons.
In the present invention, described " melon is distinguished " refers to for being welded to form spherical shell, the metal plate that outer likeness in form melon is distinguished.
In the present invention, the spherical shell is pre-welding inside it.
In the present invention, for the spherical shell in pre-welding, both ends are fixedly connected with anti-deformation ring 1.
In the present invention, so that anti-deformation ring 1 be made to avoid weld passes, consequently facilitating weld seam welds, while weld seam is avoided
It is soldered together with anti-deformation ring 1.
In pre-welding, operator, which needs to enter inside spherical shell, to be operated, and therefore, operator can be by anti-
Shape-changeable ring 1 passes in and out spherical shell, and anti-deformation ring 1 is fixed on the both ends of spherical shell in pre-welding, is convenient for pre-welding
Operation.
In the present invention, the fixed disk 2 is circular slab, 1 inner edge of anti-deformation ring is installed on, in fixed disk 2 in spherical shape
On the surface of hull outside, it is fixedly installed support rod 21 along central shaft direction, the support rod 21 is cylindrical bar, with
Buckle on support base 3 matches, to support spherical shell, so that spherical shell is not in contact with supporting bable tops, wherein described
Supporting bable tops are the table top of fixed supporting seat 3.
In the present invention, the fixed disk 2 is fixedly connected with anti-deformation ring 1, such as is welded, is bolted,
Preferably by bolted, so as to the recycling of fixed disk 2.
In a kind of preferred embodiment of the present invention, the fixed disk 2 at spherical shell both ends be it is coaxial, to weld
The centering of weld seam in journey.
In one kind of the invention more preferably embodiment, set on the side that anti-deformation ring 1 is in contact with fixed disk 2
It is equipped with anti-deformation ring seam allowance, correspondingly, is provided on the corresponding side of fixed disk 2 matched solid with the anti-deformation ring seam allowance
Price fixing boss, to keep the fixed disk 2 at spherical shell both ends coaxial.
In a kind of preferred embodiment of the present invention, as shown in Figure 1, the supporting bable tops are positioner work top 5.
In the present invention, the support base 3 is column, and 3 top of support base is provided with the buckle matched with support rod.
In a kind of preferred embodiment of the present invention, the support base 3 is cuboid column, cylindrical body column or is
Drum part column etc., inside be it is solid either it is hollow, 3 top surface of support base be metal plate, preferably rectangle gold
Belong to plate, bottom surface is also metal plate, preferably rectangular metallic plate.
In one kind of the invention more preferably embodiment, the area of bottom surface is greater than the area of top surface.
It sends out in one kind more preferably embodiment at this, between the upper bottom surface of support base 3, is arranged on column side
There is stiffener plate 31, it is preferable that stiffener plate 31 is respectively set on two opposite sides of column, to increase support base 3
Maximum support intensity.
In more preferably embodiment of the invention a kind of, the support base 3 and positioner work top 5 be welding or
Person is bolted.
In the present invention, the top surface of support base 3 is provided with buckle, the buckle includes top pipe collar 32 and lower part pipe collar
33, wherein
Top pipe collar 32 is semicircular cylinder, and is fixedly installed top on the outside of semicircular cylinder both ends and holds ear 321,
Lower part pipe collar 33 is also semicircular cylinder, and is fixedly installed lower part on the outside of semicircular cylinder both ends and holds ear 331,
It holds in lower part and is fixedly installed between ear 331 and 3 top surface of support base for lower part pipe collar 33 to be fixedly installed on
The supporting element 34 of 3 top surface of support base, the supporting element 34 are metal plate, it is preferable that the upper end and lower part hold the fixed company of ear 331
It connects, lower end is fixedly connected with 3 top surface of support base, and the one end being in contact with semicircular cylinder is the arc coincideing with semicircle drum outer wall
Shape, and be fixedly connected with the outer wall of semicircular cylinder.
In the present invention, top pipe collar 32 and lower part pipe collar 33 cooperate, and two semicircular cylinders are combined into one completely
Cylinder.
In the present invention, top holds ear 321 and lower part holds and is respectively arranged with the threaded hole to match on ear 331, leads to
Screw bolt and nut is crossed to be fixedly connected.
In a kind of preferred embodiment of the present invention, opened up on top pipe collar 32 and the semicircular cylinder in lower part pipe collar 33
There is seam allowance band, and be provided with the circumferential locking groove to match with seam allowance band on the support rod 21 in fixed disk 2, to prevent spherical shape
Shell axial float between two support bases 3.
In the present invention, the part 4 that sockets is metal plate or metal block, and one end is fixedly connected with supporting bable tops, another
The end arc identical for the outer surface with spherical shell, and be fixedly connected with the outer surface of spherical shell.
In a kind of preferred embodiment of the present invention, on spherical shell outer surface, on position corresponding with part is socketed
Heap is welded with overlay cladding, is fixedly connected to socket part with spherical shell, at the same protect the outer surface of spherical shell with socket part 4
It is not destroyed when segmentation.
In welding, positioner work top 5 is vertical direction, is rotated about its center axis positioner work top 5, by
Larger in the specification of spherical shell, general diameter is greater than 2m, therefore, is supported merely, props up to spherical shell by support base 3
The load for supportting seat 3 is excessive, increases security risk, in turn, the present invention is arranged between spherical shell and positioner work top 5
Part 4 is socketed, spherical shell is fixed on positioner work top by Auxiliary support seat.
In welding, positioner is overturn to vertical direction first, then revolves positioner work top 5 around central shaft
Turn, when it rotates a circle, spherical shell is welded in same two weld seams through on coil and completed.
In a kind of preferred embodiment of the present invention, when spherical shell has been welded in same two weld seams through on coil
The overturning of positioner work top 5 to horizontal direction is cut open and sockets part 4 and spherical shell by Cheng Hou, rotary spherical shell, is made another
One group of weld seam is located at the position suitable for welding, then the built-up welding overlay cladding on corresponding position on spherical shell outer surface, then will drawing
Fitting 4 is fixedly connected with spherical shell.
In a kind of preferred embodiment of the present invention, the welding method of macrotype spherical shell includes the following steps：
Step 1, melon is distinguished and is sequentially welded with anti-deformation ring 1, and the weld seam between being distinguished to adjacent melon inside spherical shell
Carry out pre-welding；
Step 2, fixed disk 2 and anti-deformation ring 1 are fixed；
Step 3, two support bases 3 are fixedly installed according to the outer diameter of spherical shell on positioner work top 5；
Step 4, spherical shell is lifted on support base 3, then top pipe collar 32 is installed accordingly by bolt；
Step 5, welding sockets part 4 between spherical shell and positioner work top 5；
Step 6, positioner work top 5 will be overturn, utilizes welding head automatic welding.
In one kind of the invention more preferably embodiment, the welding method of macrotype spherical shell includes the following steps：
Step 1, melon is distinguished and is sequentially welded with anti-deformation ring 1, and the weld seam between being distinguished to adjacent melon inside spherical shell
Pre-welding is carried out, after the completion of all melons distinguish pre-welding, operator is come out by anti-deformation ring 1；
Step 2, fixed disk 2 and anti-deformation ring 1 are bolted,
Step 3, two support bases 3, two branch are fixedly installed according to the outer diameter of spherical shell on positioner work top 5
Central symmetry of the seat 3 about positioner work top 5 is supportted,
Step 4, it is in a horizontal position positioner work top 5, spherical shell is lifted on support base 3, makes two
Support rod 21 in fixed disk 2 is locked to respectively on lower part pipe collar 33, then installs top pipe collar 32 accordingly by bolt,
Step 5, welding sockets part 4 between spherical shell and positioner work top 5, before welding sockets part 4,
Built-up welding overlay cladding on corresponding position outside spherical shell,
Step 6, positioner work top 5 will be overturn, is at vertical state, then make positioner work top 5 around it
Central axis rotates, and after centering weld seam, utilizes welding head automatic welding.
The macrotype spherical shell girth welding holding clamp provided according to the present invention, has the advantages that：
(1) holding clamp has the characteristics that simple convenient for welding operation, structure, can be repeated several times use, manufacturing cost
It is lower with use cost；
(2) holding clamp, is used cooperatively with positioner, convenient for the centering of weld seam；
(3) holding clamp, is used cooperatively with positioner, can be welded on same two weld seams through on coil simultaneously, greatly
Speed of welding is accelerated greatly；
(4) holding clamp is utilized, assembly manipulation when welding next symmetrical weld seam is simplified, a large amount of assembly is saved and uses
When, alleviate the labor intensity of worker.
It is described the invention in detail above in conjunction with detailed description and exemplary example, but these explanations are simultaneously
It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention,
Can be with various equivalent substitutions, modifications or improvements are made to the technical scheme of the invention and its embodiments, these each fall within the present invention
In the range of.Scope of protection of the present invention is subject to the appended claims.
Claims (8)
1. a kind of macrotype spherical shell girth welding holding clamp, which is characterized in that the holding clamp include anti-deformation device and
Support device,
The anti-deformation device includes anti-deformation ring (1) and the fixed disk (2) being fixedly connected with anti-deformation ring (1),
The anti-deformation ring (1) offers multiple grooves (11) along the radial direction of anti-deformation ring (1) in its outer rim；With
On the surface outside fixed disk (2) spherical shell, support rod (21) are fixedly installed along central shaft direction.
2. holding clamp according to claim 1, which is characterized in that the support device includes being used to support spherical shell
Support base (3) and socket part (4).
3. holding clamp according to claim 1, which is characterized in that
Anti-deformation ring (1) is annular slab, is fixedly installed on spherical shell both ends；
Fixed disk (2) is circular slab, is installed on anti-deformation ring (1) inner edge.
4. holding clamp according to claim 2, which is characterized in that
Support base (3) is column, is arranged on supporting bable tops；And/or
Socketing part (4) is metal plate or metal block, and one end is fixedly connected with supporting bable tops, and the other end is outer with spherical shell
The arc of surface profiles, and be fixedly connected with the outer surface of spherical shell.
5. holding clamp according to claim 2 or 4, which is characterized in that the support base (3) is cuboid column, circle
Cylinder column is drum part column, inside be it is solid either hollow, the top surface of the support base (3) is metal
Plate, bottom surface are also metal plate.
6. holding clamp according to claim 2 or 4, which is characterized in that be provided with and support rod on support base (3) top
(21) buckle matched；The buckle includes top pipe collar (32) and lower part pipe collar (33), wherein
Top pipe collar (32) is semicircular cylinder, and is fixedly installed top on the outside of semicircular cylinder both ends and holds ear (321),
Lower part pipe collar (33) is also semicircular cylinder, and is fixedly installed lower part on the outside of semicircular cylinder both ends and holds ear (331),
It holds and is fixedly installed between ear (331) and support base (3) top surface for lower part pipe collar (33) to be fixedly installed in lower part
Supporting element (34) in support base (3) top surface, the supporting element (34) are metal plate,
Top holds ear (321) and lower part holds and is respectively arranged with the threaded hole to match on ear (331), passes through screw bolt and nut
It is fixedly connected.
7. a kind of carry out macrotype spherical using macrotype spherical shell girth welding holding clamp described in one of claim 1 to 6
The method of shell girth welding, which is characterized in that this approach includes the following steps：
Step 1, by melon valve sequentially with anti-deformation ring (1) weld, and inside spherical shell to the weld seam between adjacent melon valve into
Row pre-welding；
Step 2, fixed disk (2) and anti-deformation ring (1) are fixed；
Step 3, two support bases (3) are fixedly installed according to the outer diameter of spherical shell on positioner work top (5)；
Step 4, spherical shell is lifted on support base (3), then top pipe collar (32) is installed accordingly by bolt；
Step 5, welding sockets part (4) between spherical shell and positioner work top (5)；
Step 6, positioner work top (5) will be overturn, utilizes welding head automatic welding.
8. the method for welding according to claim 7, which is characterized in that this approach includes the following steps：
Step 1, by melon valve sequentially with anti-deformation ring (1) weld, and inside spherical shell to the weld seam between adjacent melon valve into
Row pre-welding, after the completion of all melon valve pre-weldings, operator is come out by anti-deformation ring (1)；
Step 2, fixed disk (2) and anti-deformation ring (1) are bolted；
Step 3, two support bases (3), two branch are fixedly installed according to the outer diameter of spherical shell on positioner work top (5)
Support the central symmetry of seat (3) about positioner work top (5)；
Step 4, it is in a horizontal position positioner work top (5), spherical shell is lifted on support base (3), makes two
Support rod (21) in fixed disk (2) is locked to respectively on lower part pipe collar (33), then installs top pipe collar accordingly by bolt
(32)；
Step 5, welding sockets part (4) between spherical shell and positioner work top (5), before welding sockets part (4),
The built-up welding overlay cladding on corresponding position outside the spherical shell；
Step 6, positioner work top (5) will be overturn, is at vertical state, then make positioner work top (5) around it
Central axis rotates, and after centering weld seam, utilizes welding head automatic welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038232.XA CN106736218B (en) | 2017-01-19 | 2017-01-19 | Macrotype spherical shell girth welding holding clamp and the method for utilizing its girth welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038232.XA CN106736218B (en) | 2017-01-19 | 2017-01-19 | Macrotype spherical shell girth welding holding clamp and the method for utilizing its girth welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106736218A CN106736218A (en) | 2017-05-31 |
| CN106736218B true CN106736218B (en) | 2018-11-30 |
Family
ID=58944239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710038232.XA Active CN106736218B (en) | 2017-01-19 | 2017-01-19 | Macrotype spherical shell girth welding holding clamp and the method for utilizing its girth welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106736218B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340596B (en) * | 2019-05-22 | 2021-01-29 | 武汉船用机械有限责任公司 | Welding tool and method for shell structural member |
| CN113977182A (en) * | 2021-11-11 | 2022-01-28 | 安徽瑞祥工业有限公司 | Welding servo switching system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002120092A (en) * | 2000-10-13 | 2002-04-23 | Denso Corp | Welding method of cylindrical part and cylindrical part holding apparatus used therefor |
| CN201300294Y (en) * | 2008-11-19 | 2009-09-02 | 成都飞机工业（集团）有限责任公司 | Automatic butt welding fixture for spherical housing device |
| CN201609823U (en) * | 2010-03-18 | 2010-10-20 | 西北有色金属研究院 | Fixture for circumferential weld automatic welding of titanium alloy ultra-thin spherical parts |
| CN202741984U (en) * | 2012-07-24 | 2013-02-20 | 哈电集团（秦皇岛）重型装备有限公司 | Ultra-long thin-walled large diameter moisture separator reheater barrel body distortion preventing device |
| CN103934597B (en) * | 2014-03-17 | 2015-08-05 | 中国船舶重工集团公司第七二五研究所 | A kind of auxiliary welding device being welded into Loadings On Hemispherical Shell by decile melon lobe body |
-
2017
- 2017-01-19 CN CN201710038232.XA patent/CN106736218B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106736218A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106425256B (en) | A kind of two-way positioning thin-wall part weld jig | |
| CN106736218B (en) | Macrotype spherical shell girth welding holding clamp and the method for utilizing its girth welding | |
| CN110421248A (en) | A kind of welding system and welding method | |
| CN113039032B (en) | Internal clamping and welding device | |
| CN105537846A (en) | Welding fixing clamp suitable for pressure container tube sections | |
| CN202527884U (en) | Clamp tool for processing container closure head | |
| CN114289938A (en) | Manned spherical pressure-resistant shell welding workbench and machining method thereof | |
| CN105234531B (en) | A kind of carrier rocket ball fuel current divider welding equipment device and its assembling and welding process | |
| CN1935441B (en) | Water-wheel generator rotor support hub defect treatment method | |
| US3992123A (en) | Pipe end machining apparatus | |
| CN101972944A (en) | Clamping and positioning device of cylinder body of tube mill | |
| CN206435921U (en) | A kind of macrotype spherical housing girth welding holding clamp | |
| CN106216924A (en) | A kind of low head nozzle inner wall fixing tool during built-up welding on positioner | |
| CN200939551Y (en) | Inner tubing welder of water pipe boiler | |
| CN202639739U (en) | Hydraulic rounding assembling machine for shell rings | |
| CN205342318U (en) | 3 self -aligning spherical support installation auxiliary device | |
| CN207953038U (en) | Anti-deformation tool is welded in spherical surface head opening | |
| CN102699614A (en) | Hydraulic assembling machine | |
| CN205571821U (en) | Large -scale positioner of welding spare robot clamping positioner | |
| CN110216422A (en) | A kind of manufacture craft of manhole well weldment | |
| CN108188637B (en) | Spherical head open hole welding anti-deformation tool | |
| CN111702403A (en) | Auxiliary turntable for welding | |
| CN212094773U (en) | Electromagnetic chuck bottom shell weld assembly tooling structure for lifting wheel steel ingots | |
| CN205798833U (en) | A kind of multistation welding automatic worktable | |
| CN110977286B (en) | Application method of special composite tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |