CN107378366A - A kind of gas turbine casing welding tooling - Google Patents
A kind of gas turbine casing welding tooling Download PDFInfo
- Publication number
- CN107378366A CN107378366A CN201710517611.7A CN201710517611A CN107378366A CN 107378366 A CN107378366 A CN 107378366A CN 201710517611 A CN201710517611 A CN 201710517611A CN 107378366 A CN107378366 A CN 107378366A
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- support
- welding tooling
- side plate
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- side plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a kind of gas turbine casing welding tooling, belong to welding tooling field.The welding tooling includes clamp assemblies and support base,Clamp assemblies include support shaft,Adjustable limiting part and two blocks of side plates,Two pieces of side plate parallel intervals are sleeved in support shaft,Adjustable limiting part being axially and movably arranged in support shaft along support shaft,Adjustable limiting part is used in two blocks of side plates of backstop the side plate that can be moved,Two limit installation structures are provided with every block of side plate,Two support bases are arranged at intervals,Two support bases are used to support clamp assemblies,Limited support structure is equipped with each support base,So as to by adjusting adjustable limiting part,Change the maximum spacing between two blocks of side plates,It will be clamped in after the two and half cylinders docking of casing between two blocks of side plates,Two blocks of side plates are respectively supported on two support bases,It is easy to weld casing,Due to clamping casing by two blocks of side plates,It can avoid relatively moving between horizontal flange and half cylinder.
Description
Technical field
The present invention relates to welding tooling field, more particularly to a kind of gas turbine casing welding tooling.
Background technology
Gas turbine casing is the tubular shell for being used to install impeller on gas turbine.The gas turbine casing of opposite opened is
A kind of relatively conventional case structure.The gas turbine casing of opposite opened includes two and half cylinders, and two and half cylinders can dock
Into the cylinder of a completion, the water extended along half tubular axis direction is correspondingly provided with the side that two and half cylinders are mutually butted respectively
Plane face flange, in docking, by the way that the horizontal flange on two and half cylinders is mutually aligned, then it is bolted connection.
Generally use is welded to connect between horizontal flange and half cylinder, because the required precision of casing is higher, in welding water
During plane face flange, the less electron beam weldering of generally use welding deformation degree.When being welded, it is necessary to which two and half cylinders are placed
Into mated condition, the horizontal flange of two and half cylinders is set to align, and horizontal flange aligns with the edge of half cylinder, then pass through electronics
Horizontal flange and half barrel soldering are integrated by beam weldering.
But because casing size is larger, in weld horizontal flange and half cylinder, it is difficult to keep level flange and half
The geo-stationary of body, therefore welding quality is poor.
The content of the invention
In order to solve the problems, such as that existing gas turbine casing welding quality is poor, the embodiments of the invention provide a kind of combustion gas
Turbine casing welding tooling.The technical scheme is as follows：
The embodiments of the invention provide a kind of gas turbine casing welding tooling, the welding tooling include clamp assemblies and
Two support bases, the clamp assemblies include support shaft, adjustable limiting part and two blocks of side plates, two blocks of side plates parallel interval set
In the support shaft, and at least one piece in two blocks of side plates can along the support shaft axially activity, it is described can
Adjust locating part being axially and movably arranged in the support shaft along the support shaft, the adjustable limiting part is used for backstop institute
State the side plate that can be moved in two blocks of side plates, be provided with every block of side plate two limit installation structures, described two
Individual limit installation structure is symmetrical on the axis centre of the support shaft, and described two support bases are arranged at intervals, described two
Support seat is used to support the clamp assemblies, is equipped with limited support structure on each support base, in described two support bases
The limited support structure of a support base be used for limit installation respective outer side edges with one block of side plate in two blocks of side plates, institute
The limited support structure for stating another support base in two support bases is used for and another block of side plate in two blocks of side plates
Respective outer side edges are mounted.
Preferably, each limit installation structure includes spacing block set, and the spacing block set is located at the side plate
Edge, each limited support structure include two supporting tables being disposed on the support base, described two
Support platform is used for the edge for supporting the side plate, and the spacing block set is used to be connected between described two supporting tables.
Further, it is provided with postive stop baffle in each supporting table, the limiting block in the same support base
In plate is generally aligned in the same plane, the postive stop baffle in two different support bases is parallel to each other, and different two branch
It is equal to support the distance between two opposite faces of spacing and two blocks of side plates between the postive stop baffle in seat.
Preferably, the postive stop baffle is detachably connected with the supporting table.
Preferably, the welding tooling also includes tool base plate, and described two support bases are arranged in the tool base plate.
Alternatively, multigroup connecting hole for connecting the support base, the support base are provided with the tool base plate
It is arranged on by one group of connecting hole in multigroup connecting hole in the tool base plate.
Preferably, the adjustable limiting part includes spacing collar, and the spacing collar connects with the support shaft coaxial threaded
Connect, two blocks of side plates are respectively positioned on same one end of the spacing collar, the close spacing collar in two blocks of side plates
One block of side plate can be along the axially activity of the support shaft.
Further, it is respectively arranged with lightening hole on two blocks of side plates.
Preferably, the end face of described support shaft one end and vertical range, the support shaft of one block of nearer side plate
The end face of the other end and the vertical range of one block of nearer side plate are all higher than 0.
Preferably, the welding tooling also includes multiple buckles, and the buckle is used for two and half cylinders of clamping casing
The horizontal flange being mutually butted.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：By setting clamping on two support bases
Component, because clamp assemblies include support shaft, adjustable limiting part and two blocks of side plates being sleeved in support shaft, wherein at least there is one
Block side plate can be used for the transportable one block of side plate of backstop along the axial movement of support shaft, adjustable limiting part, so as to
By adjusting adjustable limiting part, change the maximum spacing between two blocks of side plates, will be clamped in after the two and half cylinders docking of casing
Between two blocks of side plates.Due to being provided with two limit installation structures on two blocks of side plates, it is provided with two support bases spacing
Supporting construction, so as to by the way that two blocks of side plates are respectively supported on two support bases, be easy to weld casing, simultaneously
Because on same side plate, two limit installation structures are symmetrical on the axis centre of support shaft, so as to complete half cylinder
After the welding of a line, clamp assemblies are overturn 180 °, the another a line of double of cylinder is welded, due to passing through two blocks of side plates
Casing is clamped, can avoid relatively moving between horizontal flange and half cylinder, so as to improve the precision of welding, and just
Welded in two sides of double of cylinder, be advantageous to improve welding efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of gas turbine casing provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of gas turbine casing welding tooling provided in an embodiment of the present invention；
Fig. 3 is a kind of side view of gas turbine casing welding tooling provided in an embodiment of the present invention；
Fig. 4 is a kind of sectional view of buckle provided in an embodiment of the present invention；
Fig. 5 is a kind of welding schematic diagram of casing provided in an embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
For the ease of understanding the present invention, gas turbine casing is briefly described herein.
Fig. 1 is a kind of structural representation of gas turbine casing provided in an embodiment of the present invention.As shown in figure 1, the combustion gas
Turbine casing 10 includes half cylinder 11 of two pairings, is provided with along the axial direction of half cylinder 11 and prolongs on the side of the pairing of half cylinder 11
The horizontal flange 12 stretched, two and half cylinders 11 are connected by horizontal flange 12, and horizontal flange 12 is welded to connect with half cylinder 11, this
The welding tooling of invention is used for the cylinder 11 of weld horizontal flange 12 and half.The material phase of the material of horizontal flange 12 and half cylinder 11
Together, the pollution between dissimilar metal can be avoided, the problem of causing intensity decreases.
Fig. 2 is a kind of structural representation of gas turbine casing welding tooling provided in an embodiment of the present invention.Such as Fig. 2 institutes
Show, the welding tooling includes clamp assemblies 20 and two support bases 30.Clamp assemblies 20 include support shaft 21, adjustable limiting part 22
With two blocks of side plates 23.Two pieces of parallel intervals of side plate 23 are sleeved in support shaft 21, and at least one piece in two blocks of side plates 23 can
Along support shaft 21 axially activity, adjustable limiting part 22 being axially and movably arranged in support shaft 21 along support shaft 21, can
Locating part 22 is adjusted to be used in two blocks of side plates 23 of backstop the side plate 23 that can be moved.
Fig. 3 is a kind of side view of gas turbine casing welding tooling provided in an embodiment of the present invention.It is as shown in figure 3, every
Two limit installation structures are provided with block side plate, two limit installation structures are symmetrical on the axis centre of support shaft 21.
Two support bases 30 are arranged at intervals, and two support bases 30 are used to support clamp assemblies 20, and limited location is all provided with each support base 30
Supporting construction.The limited support structure of a support base 30 in two support bases 30 is used for and one piece of side in two blocks of side plates 23
The limit installation respective outer side edges of plate 23, the limited support structure of another support base 30 in two support bases 30 are used for and two pieces
The limit installation respective outer side edges of another block of side plate 23 in side plate 23.
The embodiment of the present invention by setting clamp assemblies on two support bases, due to clamp assemblies include support shaft, can
Locating part and two blocks of side plates being sleeved in support shaft are adjusted, wherein at least has one block of side plate to be moved along the axial direction of support shaft
Dynamic, adjustable limiting part is used for the transportable one block of side plate of backstop, so as to by adjusting adjustable limiting part, change two pieces of sides
Maximum spacing between plate, it will be clamped in after the two and half cylinders docking of casing between two blocks of side plates.Due to equal on two blocks of side plates
Two limit installation structures are provided with, are provided with limited support structure on two support bases, so as to by by two pieces of sides
Plate is respectively supported on two support bases, is easy to weld casing, simultaneously because on same side plate, two are mounted knot
Structure is symmetrical on the axis centre of support shaft, so as to which after the welding of half cylinder a line is completed, clamp assemblies are overturn
180 °, the another a line of double of cylinder is welded, and due to clamping casing by two blocks of side plates, can avoid horizontal flange and half
Relatively moved between cylinder, so as to improve the precision of welding, and be easy to two sides of double of cylinder to be welded, have
Beneficial to raising welding efficiency.
As shown in Fig. 2 welding tooling can also include multiple buckles 50, buckle 50 is used for two and half cylinders of clamping casing
On the horizontal flange 12 that is mutually butted.Two horizontal flanges 12 of mutual cooperation are snapped together by buckle 50, Ke Yifang
Just weld.
Fig. 4 is a kind of sectional view of buckle provided in an embodiment of the present invention, as shown in figure 4, the section of buckle 50 can be in U
Type, so as to be interference fit between buckle 50 and horizontal flange 12 by two clampings of horizontal flange 12.The quantity of buckle 50
It can be configured according to the size of casing, for larger casing, horizontal flange 12 is longer, can set more buckle
50, it is on the contrary then less buckle 50 can be set.
As shown in Fig. 2 the end face of the one end of support shaft 21 and vertical range, the support shaft 21 of one block of nearer side plate 23 are another
The end face at end and the vertical range of one block of nearer side plate 23 are all higher than 0.So that the both ends of support shaft 21 are stretched out two
, can be in order to being lifted to clamp assemblies 20 outside block side plate 23.
Alternatively, adjustable limiting part 22 can include spacing collar 221, spacing collar 221 and the coaxial threaded of support shaft 21
Connection, two blocks of side plates 23 are respectively positioned on same one end of spacing collar 221, one piece of the close spacing collar 221 in two blocks of side plates 23
Side plate 23 can be along the axially activity of support shaft 21.Can be with rotary spacing sleeve after casing is clipped between two blocks of side plates 23
221, side plate 23 is pressed on the end face of casing by spacing collar 221, so as to clamp casing.
When realizing, spacing collar 221 can be the female tube-like piece of tool or nut.Adjustable limiting part 22
Disc spring 222 can also be included, disc spring 222 is arranged between spacing collar 221 and side plate 23, and disc spring 222 can be in welding process
In there is welding deformation, when causing the casing to shrink, make side plate 23 remain to clamp casing, avoid casing from loosening.
In two blocks of side plates 23, one block of side plate 23 away from spacing collar 221 can be bolted in support shaft 21,
Specifically, flange 211 can be coaxially disposed in support shaft 21, one block of side plate 23 away from spacing collar 221 passes through with flange 211
Bolt connection, in order to disassembling for frock.
As shown in Fig. 2 structure, which is each mounted, may each comprise spacing block set 231, spacing block set 231 is located at side plate 23
Edge, each limited support structure may each comprise two supporting tables 31 being disposed on support base 30, two supports
Platform 31 is used for the edge of support side plate 23, and spacing block set 231 is used to be connected between two supporting tables 31.So as to which group will be being clamped
After part 20 is placed on support base 30, between spacing block set 231 is stuck in into two supporting tables 31, clamp assemblies can be avoided
20 are moved.
When realizing, two blocks of side plates 23 can be process by circular slab, by along the parallel of one piece of circular slab and
Two string incising circular plates positioned at a diameter both sides, you can one block of side plate is obtained, it is convenient to make.Wherein, shape is cut along flat-cut
Into cut surface 23c can be used for being supported in two supporting tables 31, spacing block set 231 can be arranged on cut surface 23c, limit
Position projection 231 be able to can also be integrally formed with side plate 23 by being welded to connect.
Further, postive stop baffle 311 can be provided with each supporting table 31, it is spacing in same support base 30
In baffle plate 311 is generally aligned in the same plane, the postive stop baffle 311 in two different support bases 30 is parallel to each other, and different two
The spacing between postive stop baffle 311 in support base 30 is equal with the distance between two opposite faces of two blocks of side plates 23.When
When clamp assemblies 20 are placed on support base 30, two blocks of side plates 23 are respectively positioned between the postive stop baffle 311 on two support bases 30,
Postive stop baffle 311 can contact with the opposite surface of two blocks of side plates 23, to limit axial direction of the clamp assemblies 20 along support shaft 21
Displacement, make clamp assemblies 20 more stable, be easy to weld.
Further, postive stop baffle 311 is detachably connected with supporting table 31.Clamp assemblies 20 are being lifted into support base 30
Before upper, first the postive stop baffle 311 on a support base 30 can be installed, clamp assemblies 20 are being lifted into support base 30
After upper, the postive stop baffle 311 on another support base 30 can be installed on support base 30 again, in order to postive stop baffle 311
Installation.
Specifically, postive stop baffle 311 is bolted with supporting table 31, and postive stop baffle 311 is arranged on two supports
In the side wall being located remotely from each other of platform 31, so another branch can be installed after clamp assemblies 20 are lifted on support base 30
When supportting the postive stop baffle 311 on seat 30, postive stop baffle 311 can be pressed on by turning bolt on side plate 23.
In addition, postive stop baffle 311 for pad can be set on the surface that is contacted with side plate 23, to guarantee to compress side
Plate 23, while the surface of the damage side plate 23 of postive stop baffle 311 can also be avoided.Wherein pad can be sheet rubber.
By on casing clamping to clamp assemblies 20 and after being placed in supporting table 31, limiting block can be detected by clearance gauge
Spacing between plate 311 and side plate 23, side plate 23 and casing, two horizontal flanges being bonded to each other, to determine the assembling of casing
It is whether qualified, it is ensured that the casing composite demand after welding.Such as the gap measured by clearance gauge then can consider dress less than 0.1mm
With qualified.For regional area, such as then gap can select slightly larger one for spacing between two horizontal flanges being bonded to each other
A bit, such as 0.15mm or so.
As shown in Fig. 2 welding tooling can also include tool base plate 32, two support bases 30 are arranged on tool base plate 32
On.Tool base plate 32 can be used for fixing two support bases 30, avoid the support base 30 in welding process from being moved.
Specifically, multigroup connecting hole 321 for connecting support seat 30, support base 30 can be provided with tool base plate 32
It is arranged on by one group of connecting hole 321 in multigroup connecting hole 321 in tool base plate 32.By by support base 30 and tool base plate
The connecting hole 321 of diverse location on 32 connects, so as to adjust the spacing between two support bases 30.Due to different combustions
The length of gas-turbine casing is different, when welding different gas turbine casings, by different gas turbine casing clamping to folder
Hold on component, position that adjustable limiting part 22 can be adjusted is different, and the spacing between two blocks of side plates 23 is also different, therefore can be with
Two support bases 30 are connected by selection with the connecting hole 321 of correct position in tool base plate 32, so that between two support bases 30
Spacing adapt to two blocks of side plates 23 so that welding tooling goes for different casings.
As shown in figure 3, lightening hole 23a can be respectively arranged with two blocks of side plates 23.To reduce the weight of clamp assemblies 20,
It is easy to lift clamp assemblies 20 in welding.
In addition, the seam 23d of circular arc, when clamping casing, two can be set on the relative surface of two blocks of side plates 23
Block side plate 23 can be coordinated by the seam 23d of circular arc and the end face of casing 10.Half cylinder is avoided to release.
Circumferential position limiting structure is also provided with side plate 23, it is mobile to limit the circumference of casing.
Specifically, keyway 23b can be set on the edge of side plate 23.Flat key 232 is movably set with keyway 23b, due to
It is typically provided with the outer wall of casing with keyway, therefore keyway 23b can be set on side plate 23, by rotating casing, makes side
Keyway 23b on plate 23 is alignd with the keyway on casing outer wall, and flat key 232 is being inserted to keyway 23b and casing on side plate 23
It is mobile so as to limit the circumference of casing in keyway on outer wall.
It is contemplated that in other embodiments, dowel hole and alignment pin can also be set on side plate 23, passed through
Rotating casing makes dowel hole be alignd with the hole having on casing both ends, and inserts alignment pin, to realize that the circumference to casing limits
Position.Kong Shiying selections and dowel hole diameter identical hole on selection casing.
Fig. 5 is a kind of welding schematic diagram of casing provided in an embodiment of the present invention, as shown in figure 5, when welding casing, can
By two and half cylinder pairing of casing, contact with each other two horizontal flange buckles 50 to be connected, are hung in clamp assemblies 20
After being attached on support base 30, can first between the cylinder of horizontal flange 12 and half carry out spot welding (solid dot in such as Fig. 5), so as to
In welding, horizontal flange shift position is avoided.
In addition, before welding, can the edge to-be-welded region of double of cylinder polished, to remove removing oxide layer.Beat
The width for grinding region can be 20mm, and polishing standard metallic luster position occurs with polishing region.The polishing of casing can pass through
Stainless steel wire roller is polished, can effective scale removal, while it is excessive that plain wheel can be avoided easily to polish
Problem.
Before polishing, demagnetization processing can also be carried out to workpiece and welding tooling, to remove workpiece and welding tooling
Magnetic, magnetic is avoided to impact electron beam weldering process, welding tooling can be preferably made of austenitic stainless steel material,
The material has non-magnetic feature.Also need to clean casing simultaneously, specifically can be with to remove the spot on casing surface
Cleaned using white silk silk and anhydrous propanone or industrial rectified spirit.Before welding, the electricity defocused can also be used
Beamlet preheats to weld, to reduce weld crack.
After the installation of casing is completed, clamp, casing can be sent into welding job room together with welding tooling and carry out electricity
Beamlet welds.Casing can also be annealed after welding has been completed, to reduce the stress in casing.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of gas turbine casing welding tooling, it is characterised in that the welding tooling includes clamp assemblies (20) and two
Support base (30), the clamp assemblies (20) include support shaft (21), adjustable limiting part (22) and two pieces of side plates (23), and described two
Block side plate (23) parallel interval is sleeved in the support shaft (21), and at least one piece in two blocks of side plates (23) being capable of edge
The axially activity of the support shaft (21), the adjustable limiting part (22) can be along the axially and movably setting of the support shaft (21)
In the support shaft (21), the adjustable limiting part (22) is described for that can be moved in two pieces of side plates (23) described in backstop
Side plate (23), two limit installation structures are provided with every block of side plate, described two limit installation structures are on described
The axis centre of support shaft (21) is symmetrical, and described two support bases (30) are arranged at intervals, and described two support bases (30) are used for branch
The clamp assemblies (20) are supportted, limited support structure, described two support bases (30) are equipped with each support base (30)
In a support base (30) limited support structure be used for it is spacing with one piece of side plate (23) in two blocks of side plates (23)
Mounting structure coordinates, and the limited support structure of another support base (30) in described two support bases (30) is used for and described two
The limit installation respective outer side edges of another piece of side plate (23) in block side plate (23).
2. gas turbine casing welding tooling according to claim 1, it is characterised in that each limit installation structure
Include spacing block set (231), the spacing block set (231) is located at the edge of the side plate (23), each limited support
Structure includes two supporting tables (31) being disposed on the support base (30), and described two supporting tables (31) are used for branch
The edge of the side plate (23) is supportted, the spacing block set (231) is used to be connected between described two supporting tables (31).
3. gas turbine casing welding tooling according to claim 2, it is characterised in that on each supporting table (31)
It is provided with postive stop baffle (311), in the postive stop baffle (311) in the same support base (30) is generally aligned in the same plane, no
Postive stop baffle (311) in two same support bases (30) is parallel to each other, and in different two support bases (30)
Postive stop baffle (311) between the distance between two opposite faces of spacing and two blocks of side plates (23) it is equal.
4. gas turbine casing welding tooling according to claim 3, it is characterised in that the postive stop baffle (311) with
The supporting table (31) is detachably connected.
5. gas turbine casing welding tooling according to claim 1, it is characterised in that the welding tooling also includes work
Bottom plate (32) is filled, described two support bases (30) are arranged in the tool base plate (32).
6. gas turbine casing welding tooling according to claim 5, it is characterised in that set on the tool base plate (32)
Multigroup connecting hole (321) for connecting the support base (30) is equipped with, the support base (30) passes through multigroup connecting hole
(321) one group of connecting hole (321) in is arranged in the tool base plate (32).
7. gas turbine casing welding tooling according to claim 1, it is characterised in that adjustable limiting part (22) bag
Spacing collar (221) is included, the spacing collar (221) is connected with the support shaft (21) coaxial threaded, two blocks of side plates
(23) it is respectively positioned on same one end of the spacing collar (221), the close spacing collar (221) in two blocks of side plates (23)
One piece of side plate (23) can along the support shaft (21) axially activity.
8. gas turbine casing welding tooling according to claim 1, it is characterised in that divide on two blocks of side plates (23)
Lightening hole (23a) is not provided with.
9. gas turbine casing welding tooling according to claim 1, it is characterised in that described support shaft (21) one end
End face and the vertical range of the nearer one piece side plate (23), the end face of the support shaft (21) other end and nearer one piece
The vertical range of the side plate (23) is all higher than 0.
10. gas turbine casing welding tooling according to claim 1, it is characterised in that the welding tooling also includes
Multiple buckles (50), the buckle (50) are used on two and half cylinders of clamping casing the horizontal flange (12) being mutually butted.
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| CN201710517611.7A CN107378366B (en) | 2017-06-29 | 2017-06-29 | A kind of gas turbine casing welding tooling |
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| CN201710517611.7A CN107378366B (en) | 2017-06-29 | 2017-06-29 | A kind of gas turbine casing welding tooling |
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| CN107378366B CN107378366B (en) | 2019-06-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107984177A (en) * | 2017-12-19 | 2018-05-04 | 中国航发南方工业有限公司 | Split Casing simulating piece processing method |
| CN110125700A (en) * | 2019-03-26 | 2019-08-16 | 武汉船用机械有限责任公司 | The positioning tool of the eccentric boss of gas turbine casing |
| CN110560987A (en) * | 2019-07-23 | 2019-12-13 | 武汉船用机械有限责任公司 | welding tool and welding method for gas turbine intercooler shell |
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