CN108838604A - A kind of steam generator supporting leg column assembly welding equipment positioning device - Google Patents
A kind of steam generator supporting leg column assembly welding equipment positioning device Download PDFInfo
- Publication number
- CN108838604A CN108838604A CN201810824920.3A CN201810824920A CN108838604A CN 108838604 A CN108838604 A CN 108838604A CN 201810824920 A CN201810824920 A CN 201810824920A CN 108838604 A CN108838604 A CN 108838604A
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- leg column
- seat
- type cover
- forked type
- hoop component
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- 238000003466 welding Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims description 34
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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 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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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of steam generator supporting leg column assembly welding equipment positioning device and using its assembling and welding process, wherein, the supporting leg column assembly includes forked type cover for seat (1) and leg column tube (2), the welding equipment positioning device includes hoop component (3) and fixing axle (4), outside of hoop component (3) one end setting in leg column tube (2), one end is arranged in the outside of forked type cover for seat (1), and the fixing axle (4) is fixedly connected with hoop component (3) with forked type cover for seat (1).Steam generator supporting leg column assembly welding equipment positioning device structure provided by the present invention is simple, mounts and dismounts convenient and efficient, assembly efficiency and welding quality height.
Description
Technical field
The present invention relates to steam generator welding equipment fields, and in particular to a kind of steam generator supporting leg column assembly welding equipment is fixed
Position device.
Background technique
For nuclear island primary device steam generator at the scene in vertical fixed vertical support, leg column assembly is its important composition portion
Point, and leg column assembly by forked type cover for seat and leg column tube welding equipment at, wherein forked type cover for seat is located at leg column tube both ends, is always about
4300mm or so.
In practical applications, to meet kilter of the steam generator under operating condition, for the system of leg column assembly
Manufacturing accuracy is more demanding, both ends forked type cover for seat U-type groove depth of parallelism need≤0.1mm, leg column assembly axis verticality≤3mm.Into
Luggage is welded when making, general to stay machine to add the method for surplus using forked type cover for seat, but due to the materials procurement of forked type cover for seat at
This height, and machine it's the conference extension manufacturing cycle adds to past surplus；Or take the form of welding transition plate by forked type cover for seat and leg column tube
It is welded and fixed and is integrated, the built-up welding separation layer on product is needed to weld for transition plates during the welding process, if not fixed
Position benchmark can be such that assembly precision is relatively difficult to guarantee, and be easy to fill both ends forked type cover for seat partially, while relatively time consuming when removing, and polishing is gone
Except separation layer be easy to cause base material to injure.
Therefore, at present urgent need to resolve the problem of be that a kind of raising assembly accuracy, welded attachment are provided during welding equipment
Less, the welding equipment positioning device of the low steam generator supporting leg column assembly of manufacturing cost, and can be realized the welding of downhand welding position, it improves
Welding quality.
Summary of the invention
In order to overcome the above problem, present inventor has performed sharp studies, design a kind of steam generator supporting leg column
Component welding equipment positioning device, the device include symmetrically arranged adjustable hoop component, can be close-coupled at the outside of leg column tube,
And it is coaxial with leg column tube；Further include fixing axle, symmetrically arranged adjustable hoop component can be located by connecting on forked type cover for seat U
The both ends of type groove.The device can realize the accurate assembly of forked type cover for seat Yu leg column tube, operation side by way of mechanical connection
Just quick, manufacturing cost is reduced, and can be realized the welding of downhand welding station, greatly improves welding equipment efficiency and quality.
In particular it is object of the present invention to provide following aspect：
In a first aspect, providing a kind of steam generator supporting leg column assembly welding equipment positioning device, wherein the supporting leg
Column assembly includes forked type cover for seat 1 and leg column tube 2, and the welding equipment positioning device includes hoop component 3 and fixing axle 4.
Wherein, the outside of leg column tube 2 is arranged in described 3 one end of hoop component, and the outside of forked type cover for seat 1 is arranged in one end,
Preferably, the hoop component 3 includes the first hoop component and the second hoop component, and the two structure is identical, cooperation
The outside of supporting leg column assembly is set, wherein
First hoop component includes that clip 31 connects support 32 with transition, and the clip 31 is arranged outside leg column tube 2
Portion is cooperatively connected, so that hoop component 3 is closely connect with leg column tube 2 with the clip of the second hoop component.
Wherein, the clip 31 is semi-circular, including multiple semi-rings, and the multiple semi-ring is coaxial arrangement,
Preferably, the interior circular diameter of 31 semi-loop of clip is consistent with the outer diameter of leg column tube 2, so that clip 31 and
It, can be coaxial with leg column tube 2 after the clip cooperation of two hoop components is assembled to the outer wall of leg column tube 2.
Wherein, the transition connection support 32 is connected to the edge of clip 31, and the transition connection support 32 is perpendicular to card
31 place planes are bound round,
Preferably, transition connection support 32 is connected to the midpoints of 31 arc edge of clip, in order to forked type seat
Set 1 is cooperatively connected.
Wherein, 32 one end far from clip 31 of support are connected in the transition and are provided with through-hole 321,
The through-hole 321 and two axis holes at the U-type groove both ends that forked type cover for seat 1 is arranged in are coaxially disposed.
Wherein, the fixing axle (4) is fixedly connected with hoop component (3) with forked type cover for seat (1),
Preferably, the fixing axle 4 is threaded through in through-hole 321 and two axis holes of forked type cover for seat 1, so that the first clip group
Part and the second hoop component are symmetrical arranged,
Wherein, it is additionally provided with positioning end cap 5 between the fixing axle 4 and the axis hole of forked type cover for seat, is connected for transition
Fixing axle 4 and forked type cover for seat.
Wherein, first hoop component further includes adjustable crossbeam 33, and it is close to be connected to the transition connection support 32
The one side of forked type cover for seat 1, for fixing the position of forked type cover for seat 1.
Wherein, multiple threaded holes are provided on the adjustable crossbeam 33, the mounting fixing parts 6 in the threaded hole, with
The position of 1 circumferential direction of forked type cover for seat and horizontal direction is adjusted.
Second aspect provides a kind of assembling and welding process of steam generator supporting leg column assembly, it is preferred to use above-mentioned apparatus
Welding equipment positioning is carried out to supporting leg column assembly, wherein the described method comprises the following steps：
Step 1, assembly forked type cover for seat 1 and leg column tube 2 are assisted using supporting leg column assembly welding equipment positioning device；
Step 2, after the assembly is completed, assembly precision is measured, and is adjusted；
Step 3, supporting leg column assembly and welding equipment positioning device after the completion of assembling, adjust are integrally placed on turning rolls 7,
It is subjected to；
Step 4, after the completion of welding, welding equipment positioning device is dismantled.
Wherein, the step 1 includes following sub-step：
Step 1-1 places the second hoop component in the horizontal plane, and then leg column tube 2 is placed on the second hoop component；
Forked type cover for seat 1, is connected to the both ends of leg column tube 2 by step 1-2, and adjusts forked type cover for seat 1 and the second hoop component
Position；
Step 1-3, fixing axle 4 is fixedly connected in forked type cover for seat, then assembles the first hoop component；
Step 1-4 adjusts adjustable crossbeam 33 and fixing piece 6, is coaxially disposed forked type cover for seat 1 and leg column tube 2.
Beneficial effect possessed by the present invention includes：
(1) steam generator supporting leg column assembly welding equipment positioning device provided by the present invention, structure is simple, operation side
Just, manufacturing cost and use cost are lower；
(2) steam generator supporting leg column assembly welding equipment positioning device provided by the present invention is machine between each component
Tool connection, installation and removal are convenient and efficient, time saving and energy saving；
(3) steam generator supporting leg column assembly welding equipment positioning device provided by the present invention, the side assembled using pattern
Formula, can be realized scale assembly, and Local uniqueness can be completed the assembly precision requirement of product, effectively increase assembly efficiency；
(4) steam generator supporting leg column assembly welding equipment positioning device provided by the present invention, to forked type cover for seat and leg
It after column tube is fixed, can directly be rotated on turning rolls, the requirement of downhand welding station when realizing welding effectively increases weldering
Connect quality.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of steam generator supporting leg column assembly welding equipment positioning device of the present invention；
Fig. 2 shows the structural schematic diagrams of hoop component of the present invention.
Drawing reference numeral explanation：
1- forked type cover for seat；
2- leg column tube；
3- hoop component；
31- clip；
32- transition connection support；
321- through-hole；
33- is adjustable crossbeam；
4- fixing axle；
5- positions end cap；
6- fixing piece；
7- turning rolls.
Specific embodiment
Below by drawings and examples, the present invention is described in more detail.Illustrated by these, the features of the present invention
It will be become more apparent from advantage clear.Wherein, although the various aspects of embodiment are shown in the attached drawings, unless special
It does not point out, it is not necessary to attached drawing drawn to scale.
It is described as shown in Fig. 1~2 the present invention provides a kind of steam generator supporting leg column assembly welding equipment positioning device
Supporting leg column assembly includes forked type cover for seat 1 and leg column tube 2, and the welding equipment positioning device includes hoop component 3 and fixing axle 4,
Wherein, the outside of leg column tube 2 is arranged in described 3 one end of hoop component, and the outside of forked type cover for seat 1 is arranged in one end,
The fixing axle 4 is fixedly connected with hoop component 3 with forked type cover for seat 1.
A kind of preferred embodiment according to the present invention, the hoop component 3 include the first hoop component and the second clip
Component, the two structure is identical, is equipped in the outside of supporting leg column assembly.
In the present invention, as shown in Figure 1, it is preferred that by the first clip is set as positioned at the upper half in the hoop component 3
Component is set as the second hoop component positioned at lower half.
In further preferred embodiment, first hoop component includes that clip 31 connects support 32 with transition,
Wherein, the clip 31 is arranged outside leg column tube 2, is cooperatively connected with the clip of the second hoop component, so that card
Hoop component 3 is closely connect with leg column tube 2.
In embodiment still more preferably, the clip 31 is semi-circular, including multiple semi-rings, the multiple half
Ring is coaxial arrangement.
In the present invention, the clip 31 is set as multiple coaxial semi-rings, is to increase hoop component and leg column tube
The stability of connection.
A kind of preferred embodiment according to the present invention, the interior circular diameter and leg column tube 2 of the semi-loop of the clip 31
Outer diameter it is consistent so that the clip of clip 31 and the second hoop component cooperation be assembled to leg column tube outer wall after, can be with leg column tube 2
Coaxially.
In the present invention, first hoop component and the second hoop component are preferably after overall processing circularizes, along straight
Diameter is equally divided into two semi-ring hoop components so that after two hoop components and the assembly of leg column tube, can naturally with leg column tube
Coaxially.
Wherein, the clip of second hoop component and the structure of clip 31 of the first hoop component are identical.
In further preferred embodiment, the open end of the clip 31 is provided with bolt hole, so that the first card
After binding round component and the assembly of the second hoop component, hoop component 3 can be close-coupled at outside leg column tube 2 by bolt.
A kind of preferred embodiment according to the present invention is connected with transition connection support 32 at the edge of the clip 31,
The transition connection support 32 is perpendicular to 31 place plane of clip.
Wherein, the transition connection support 32 is fixedly connected on 31 edge of clip, is preferably welded and fixed.
In further preferred embodiment, the transition connection support 32 is connected to the midpoint of 31 circular arc of clip,
In order to be cooperatively connected with forked type cover for seat 1.
In embodiment still more preferably, transition connection support 32 includes axial beam and reinforcing rib, with for
The connection of forked type cover for seat 1 and leg column tube 2 provides firm axial force.
Preferably, 32 one end far from clip 31 of support are connected in the transition and are provided with through-hole 321,
The through-hole 321 is coaxially disposed with two axis holes that 1 both ends of forked type cover for seat are arranged in.
Wherein, two axis holes in the forked type cover for seat 1 are also coaxial arrangement.
A kind of preferred embodiment according to the present invention, the fixing axle 4 are threaded through the two of through-hole 321 and forked type cover for seat 1
In a axis hole, so that the first hoop component and the second hoop component are symmetrical arranged.
In further preferred embodiment, it is fixed to be additionally provided between the fixing axle 4 and the axis hole of forked type cover for seat
Position end cap 5, is connected and fixed axis 4 and forked type cover for seat for transition.
The present inventor has found that the aperture of the axis hole in forked type cover for seat is much larger than the outer diameter of fixing axle 4 after study,
In practical application, if setting the outer diameter of fixing axle 4 to the size in cooperation axis hole aperture, not only higher cost, and do not allow
Therefore operation easy to install is preferably provided with positioning end cap 5 and carrys out transition connection in the present invention.
In embodiment still more preferably, it is internally provided with through-hole in the positioning end cap 5, is used for and fixation
Axis 4 is cooperatively connected, and the connection is preferably clearance fit connection.
Preferably, the axis hole clearance fit of the outside of the positioning end cap 5 and forked type cover for seat 1.
It is highly preferred that the outside of the positioning end cap 5 is set as ladder-like, wherein the biggish part of cross-sectional area is whole
Or part be arranged in the axis hole of forked type cover for seat 1, the lesser part of cross-sectional area is provided entirely in outside axis hole, with transition
Connection support 32 is cooperatively connected.
Wherein, positioning end cap 5 is disposed as clearance fit with fixing axle 4 and axis hole to connect, is conducive to improve forked type seat
The positioning accuracy of set and leg column tube, the smaller positioning in gap are more quasi-.
A kind of preferred embodiment according to the present invention is provided with screw thread at the both ends of the fixing axle 4, cooperates with nut
So that fixing axle 4 connect support 32 with transition and is fixedly connected.
A kind of preferred embodiment according to the present invention, first hoop component further include adjustable crossbeam 33, connection
In transition connection support 32 close to the one side of forked type cover for seat 1, for fixing the position of forked type cover for seat.
In further preferred embodiment, the adjustable crossbeam 33 is " C " type, including 32 phases of support are connect with transition
The beam portion connected and the arm positioned at beam portion both ends.
In embodiment still more preferably, multiple threaded holes are provided on the adjustable crossbeam 33, described
Mounting fixing parts 6 in threaded hole are adjusted with the position to forked type cover for seat circumferential direction and horizontal direction.
Preferably, the threaded hole is arranged in beam portion and arm.
In the present invention, after forked type cover for seat being connect with leg column tube, the first hoop component and second are blocked by fixing axle
After binding round component connection, the position to forked type cover for seat relative to leg column tube is needed to be finely adjusted, makes it and leg column tube is coaxial connects
It connects.By adjusting the fixing piece 6 being arranged on adjustable crossbeam, the position of forked type cover for seat circumferential direction and horizontal direction can be carried out micro-
It adjusts.
A kind of preferred embodiment according to the present invention, the fixing piece 6 are jackscrew, and one end of the jackscrew is set as flat
It is flat-shaped, in order to which external tool is conjunction, and/or
The other end of the jackscrew is set as spherical structure, in order to fast adjust.
In further preferred embodiment, be provided with screw thread in the middle part of the jackscrew, with on adjustable crossbeam 33
Threaded hole cooperation, the screw thread is preferably T-type screw thread.
The present invention also provides a kind of assembling and welding process of steam generator supporting leg column assembly, it is preferred to use such as the institute of Fig. 1~2
The device stated carries out welding equipment positioning to supporting leg column assembly, wherein the described method comprises the following steps：
Step 1, assembly forked type cover for seat 1 and leg column tube 2 are assisted using supporting leg column assembly welding equipment positioning device.
Wherein, the step 1 includes following sub-step：
Step 1-1 places the second hoop component in the horizontal plane, and then leg column tube 2 is placed on the second hoop component.
In the present invention, the second hoop component is set by the hoop component being located at below leg column tube, top is set as
First hoop component.
Wherein, place the second hoop component first in the predetermined position of horizontal plane so that the semiorbicular open end of clip to
On, close to horizontal plane, the leg column tube is equipped in the semi-circular clip of the second hoop component for transition connection support.
Forked type cover for seat 1, is connected to the both ends of leg column tube 2 by step 1-2, and adjusts forked type cover for seat 1 and the second hoop component
Position.
In the present invention, after forked type cover for seat being connect with leg column tube, the axis hole and the second hoop component of forked type cover for seat are adjusted
Through-hole in middle transition connection support is coaxial, in order to install fixing axle.
Step 1-3, fixing axle 4 is fixedly connected in forked type cover for seat, then assembles the first hoop component.
Wherein, the fixing axle 4 is connected in two coaxial apertures of forked type cover for seat U-type groove by positioning 5 transition of end cap, Gu
The bottom end of dead axle 4 is connected as one by nut and the second hoop component；The top of fixing axle 4 passes through the logical of the first hoop component
Hole 321 is connected as one with the first hoop component；The clip of first hoop component and the clip of the second hoop component are closely matched
Close the outer wall for being connected to leg column tube.
In the present invention, after forked type cover for seat being connect with leg column tube, the first hoop component and second are blocked by fixing axle
The position of hoop component is adjusted to symmetrical structure, and hoop component and leg column tube are coaxially disposed.
Step 1-4 adjusts adjustable crossbeam 33 and fixing piece 6, is coaxially disposed forked type cover for seat 1 and leg column tube 2.
In the present invention, it is the straight line parallel degree for guaranteeing supporting leg column assembly, needs to adjust forked type cover for seat and leg column tube is same
Axis, wherein by the fixing piece 6 being located on adjustable crossbeam 33, horizontal direction and circumferential convenient tune can be carried out to forked type cover for seat
It is whole.
Step 2, after the assembly is completed, assembly precision is measured, and is adjusted.
The forked type cover for seat of leg column tube and both ends after the assembly is completed, is being measured into fitted position precision, and according to measurement result
It is adjusted, so that the depth of parallelism≤0.1mm of both ends forked type cover for seat U-type groove, the axis verticality of the leg column assembly assembled≤
3mm。
Wherein, due to being mechanical connection between welding equipment positioning device of the present invention and leg column assembly, in adjustment leg column
When the position of pipe and forked type cover for seat, operate more convenient.
Step 3, supporting leg column assembly and welding equipment positioning device after the completion of assembling, adjust are integrally placed on turning rolls 7,
It is subjected to.
In the present invention, it will assemble, on leg column assembly and device integral hoisting to turning rolls 7 after the completion of adjustment, with
The rotation of turning rolls, implementable welding operation.
Wherein, since welding equipment positioning device of the present invention can make forked type cover for seat and leg column tube stabilization, accurate maintenance,
The case where welding post may be locked in downhand welding position, evade all-position welding completely, improves welding quality.
Step 4, after the completion of welding, welding equipment positioning device is dismantled.
In the present invention, since the welding equipment positioning device and each component are mechanical connection, after the completion of welding, it is only necessary to adjust pine
The screw bolt and nut of each component junction, working efficiency obviously get a promotion.
Embodiment
Embodiment 1
The forked type cover for seat of leg column tube and both ends to steam generator (by taking " China's dragon No.1 " steam generator as an example) carries out
Welding equipment is followed the steps below using device shown in Fig. 1~2：
(1) it places in the horizontal plane the second hoop component (lower half hoop component), it is then that leg column tube is placed on it, make
Leg column tube is obtained to be equipped in semi-circular clip；
(2) forked type cover for seat is connected to the both ends of leg column tube, and adjusts the axis hole and second in forked type cover for seat U-type groove
Through-hole in hoop component in transition connection support is coaxial；
(3) fixing axle is passed through to two axis holes of forked type cover for seat U-type groove and the through-hole of the second hoop component, at fixing axle bottom
End setting nut is connected as one with the second hoop component；Fixing axle top is set to pass through the through-hole of the first hoop component and with first
Hoop component connection, is close-coupled at leg column tube by bolt for the clip of the clip of the first hoop component and the second hoop component
Outside so that the hoop component that finishes of assembly and leg column tube are coaxial；
(4) jackscrew being arranged on adjustable crossbeam is adjusted, so that leg column assembly and forked type cover for seat are coaxial；
(5) after the assembly is completed, the installation accuracy for measuring forked type cover for seat and leg column tube, the results show that both ends forked type cover for seat is U-shaped
The depth of parallelism≤2mm of slot, axis coaxle degree≤2mm of the leg column assembly assembled, it is adjusted, so that assembly precision is met leg column group
The accuracy of manufacture requirement of part；
(6) it will assemble, on leg column assembly and device integral hoisting to turning rolls after the completion of adjustment, with the rotation of turning rolls
Turn, carries out the welding of downhand welding position；
(7) it after the completion of welding, adjusts between jackscrew, the first hoop component of disassembly and the second hoop component on the adjustable crossbeam of pine
Nut and fixed both ends of the shaft nut, remove positioning end cap, can get welding equipment complete leg column assembly.
The device assembles 1 set leg column assembly, since installation to welding having adjusted precision, takes around 4 hours, passes through
The mode of mechanical connection realizes the assembly positioning of product, turn formula more in the prior art that interim attachment is welded on product
Formula, working efficiency improve at least ten times；And due to being mechanical connection, product base material is not caused to damage.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Setting relationship is to be merely for convenience of the description present invention based on the orientation or positional relationship under working condition of the present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " phase
Even " " connection " should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or the connection of one is general
It is logical；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Combining preferred embodiment above, the present invention is described, but these embodiments are only exemplary
, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the present invention, these each fall within this
In the protection scope of invention.
Claims (10)
1. a kind of steam generator supporting leg column assembly welding equipment positioning device, which is characterized in that the supporting leg column assembly includes
Forked type cover for seat (1) and leg column tube (2), the welding equipment positioning device include hoop component (3) and fixing axle (4).
2. the apparatus according to claim 1, which is characterized in that
In the outside of leg column tube (2), one end is arranged in the outside of forked type cover for seat (1), preferably for hoop component (3) one end setting
Ground, the hoop component (3) include the first hoop component and the second hoop component, and the two structure is identical, is equipped with and is supporting
The outside of leg column assembly, wherein
First hoop component includes that clip (31) connects support (32) with transition, and the clip (31) is arranged in leg column tube
(2) external, it is cooperatively connected with the clip of the second hoop component, so that hoop component (3) is closely connect with leg column tube (2).
3. the apparatus of claim 2, which is characterized in that the clip (31) is semi-circular, including multiple semi-rings, institute
Stating multiple semi-rings is coaxial arrangement,
Preferably, the interior circular diameter of clip (31) semi-loop is consistent with the outer diameter of leg column tube (2) so that clip (31) with
It, can be coaxial with leg column tube (2) after the clip cooperation of second hoop component is assembled to the outer wall of leg column tube (2).
4. device according to claim 2 or 3, which is characterized in that the transition connection support (32) is connected to clip
(31) edge, transition connection support (32) perpendicular to plane where clip (31),
Preferably, transition connection support (32) is connected to the midpoint of clip (31) arc edge, in order to forked type seat
(1) is covered to be cooperatively connected.
5. the device according to one of claim 2 to 4, which is characterized in that connect support (32) far from card in the transition
One end of hoop (31) is provided with through-hole (321),
Two axis holes of the through-hole (321) and setting at the U-type groove both ends of forked type cover for seat (1) are coaxially disposed.
6. device according to one of claims 1 to 5, which is characterized in that
The fixing axle (4) is fixedly connected with hoop component (3) with forked type cover for seat (1),
Preferably, the fixing axle (4) is threaded through in through-hole (321) and two axis holes of forked type cover for seat (1), so that the first clip
Component and the second hoop component are symmetrical arranged,
Wherein, it is additionally provided with positioning end cap (5) between the fixing axle (4) and the axis hole of forked type cover for seat, is connected for transition
Fixing axle (4) and forked type cover for seat (1).
7. the device according to one of claim 2 to 6, which is characterized in that first hoop component further includes adjustable cross
Beam (33) is connected to the transition connection support (32) close to the one side of forked type cover for seat (1), for fixing forked type cover for seat (1)
Position.
8. the device according to one of claim 2 to 7, which is characterized in that be provided on the adjustable crossbeam (33) more
A threaded hole, mounting fixing parts (6) in the threaded hole, to be carried out to the circumferential position with horizontal direction of forked type cover for seat (1)
Adjustment.
9. a kind of assembling and welding process of steam generator supporting leg column assembly, it is preferred to use device described in one of claim 1 to 8
Welding equipment positioning is carried out to supporting leg column assembly, which is characterized in that the described method comprises the following steps：
Step 1, assembly forked type cover for seat (1) and leg column tube (2) are assisted using supporting leg column assembly welding equipment positioning device；
Step 2, after the assembly is completed, assembly precision is measured, and is adjusted；
Step 3, supporting leg column assembly and welding equipment positioning device after the completion of assembling, adjust are integrally placed on turning rolls (7), into
Row welding operation；
Step 4, after the completion of welding, welding equipment positioning device is dismantled.
10. according to the method described in claim 9, it is characterized in that, the step 1 includes following sub-step：
Step 1-1 places the second hoop component in the horizontal plane, and then leg column tube (2) is placed on the second hoop component；
Forked type cover for seat (1) is connected to the both ends of leg column tube (2), and adjusts forked type cover for seat (1) and the second clip group by step 1-2
The position of part；
Fixing axle (4) is fixedly connected in forked type cover for seat, then assembles the first hoop component by step 1-3；
Step 1-4 adjusts adjustable crossbeam (33) and fixing piece (6), is coaxially disposed forked type cover for seat (1) and leg column tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824920.3A CN108838604B (en) | 2018-07-25 | 2018-07-25 | Positioning device for assembling and welding supporting leg column assembly of steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810824920.3A CN108838604B (en) | 2018-07-25 | 2018-07-25 | Positioning device for assembling and welding supporting leg column assembly of steam generator |
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| CN108838604B (en) | 2023-10-27 |
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