CN106141597A - Gas turbine exhaust thermal insulation layer front portion processing tool and processing method - Google Patents
Gas turbine exhaust thermal insulation layer front portion processing tool and processing method Download PDFInfo
- Publication number
- CN106141597A CN106141597A CN201610782144.6A CN201610782144A CN106141597A CN 106141597 A CN106141597 A CN 106141597A CN 201610782144 A CN201610782144 A CN 201610782144A CN 106141597 A CN106141597 A CN 106141597A
- Authority
- CN
- China
- Prior art keywords
- ring
- semi
- processing tool
- insulation layer
- thermal insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention provides a kind of gas turbine exhaust thermal insulation layer front portion processing tool and processing method, processing tool is made up of the first semi-ring and the second semi-ring, the termination of the first semi-ring and the second semi-ring is provided with connection gusset, connecting gusset and be provided with dowel hole and bolt hole, the first semi-ring and the second semi-ring are connected as an entirety by bolt passing through bolt hole；The inner ring of the first semi-ring and the second semi-ring is provided with the internal ring liner plate for encircling thermal insulation layer front portion workpiece.Processing method, comprises the following steps: roll of steel plate is made on veneer reeling machine two semicircular workpieces；And welding is combined into full circle workpiece；Encircle full circle workpiece with processing tool, vertical car is processed water conservancy diversion elbow and sealing ring fixed part.By using above-mentioned processing tool, thermal insulation layer front portion workpiece ring is held the scheme increasing intensity, overcome segmentation in prior art and be welded to connect and be easily deformed, the shortcoming of difficult quality guarantee.Solve a processing difficult problem for thin-wall workpiece, reduce weld seam quantity and workpiece deformation, improve yield rate.
Description
Technical field
The present invention relates to gas turbine exhaust manufacture field, before particularly a kind of gas turbine exhaust thermal insulation layer
Portion's processing tool and processing method.
Background technology
Exhaust apparatus is the exhaust passage of gas turbine, and the inside of H type gas turbine exhaust is heat insulation with rustless steel
Layer, for convenience of combustion engine rotor maintenance, thermal insulation layer front portion is designed as dismantled and assembled structure, see Figure 11,12.H type combustion turbine exhaustion fills
Put the dismantled and assembled anterior design drawing of thermal insulation layer and see Fig. 6 ~ 9, formed by four sections: i.e. eave tile portion 11, cylindrical portion 12, sealing ring fixed part 13
With water conservancy diversion elbow 14.Existing manufacture method is to divide four sections of making by design drawing, and water conservancy diversion elbow 14 compression molding, sealing ring are fixed
Portion 13 is machining, and the direct roll bending molding of cylindrical portion 12, eave tile portion 11 are first by machining, and four sections are passed through V in joint
Type groove welding is connected into finished product.By existing design and existing manufacture method, complex process, having three splicing welding joints, welding deformation is big,
Not only due to product but also for the thin-wall part of two halves structure so being difficult to ensure that drawing required precision, yield rate is low.
Summary of the invention
The technical problem to be solved is to provide a kind of gas turbine exhaust thermal insulation layer front portion processing tool
And processing method, it is possible to increase yield rate, reduces weld seam, reduces workpiece deformation, improve presentation quality.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of gas turbine exhaust is heat insulation
The anterior processing tool of layer, processing tool is made up of the first semi-ring and the second semi-ring, and the termination of the first semi-ring and the second semi-ring is provided with
Connecting gusset, connect gusset and be provided with dowel hole and bolt hole, the first semi-ring and the second semi-ring are connected by bolt passing through bolt hole
Connecing is an entirety；
The inner ring of the first semi-ring and the second semi-ring is provided with the internal ring liner plate for encircling thermal insulation layer front portion workpiece.
Preferably in scheme, in the first described semi-ring and the second semi-ring, upper ring plate, solid between internal ring liner plate and lower ring plate
Fixed connection.
Preferably in scheme, being additionally provided with multiple gusset between upper ring plate and lower ring plate, gusset is uniformly distributed along the circumference.
Preferably in scheme, described internal ring liner plate is provided with multiple processing hole.
Preferably in scheme, the bolt hole connected on gusset is two, is positioned at the two ends up and down connecting gusset, dowel hole
Between bolt hole.
Preferably in scheme, the height of processing tool is the eave tile portion height with water conservancy diversion elbow of thermal insulation layer front portion workpiece,
When the thermal insulation layer front portion processed frock of workpiece is encircled, eave tile portion and water conservancy diversion elbow expose outside processing tool.
A kind of processing method using above-mentioned processing tool, comprises the following steps:
One, steel plate forming；Roll of steel plate is made two semicircular workpieces by veneer reeling machine；
Two, semicircular workpieces welding is combined into full circle workpiece；
Three, the outer wall of full circle workpiece is processed；
Four, full circle workpiece is encircled with processing tool, with bolt closing fastening between the first semi-ring and second semi-ring of processing tool；
Five, on vertical car, water conservancy diversion elbow and sealing ring fixed part are processed.
Preferably in scheme, after processing tool encircles full circle workpiece, cushion block is set in the bottom of processing tool, makes full circle work
Part is unsettled.
Preferably in scheme, eave tile portion is welded to connect with full circle workpiece.
Preferably in scheme, eave tile portion and water conservancy diversion elbow expose outside processing tool.
A kind of gas turbine exhaust thermal insulation layer front portion processing tool of present invention offer and processing method, by using
Above-mentioned processing tool, holds the scheme increasing intensity by thermal insulation layer front portion workpiece ring, overcomes segmentation welding in prior art
Connection is easily deformed, the shortcoming of difficult quality guarantee.Solve a processing difficult problem for thin-wall workpiece, decrease two weld seam quantity,
Decrease workpiece deformation such that it is able to improve yield rate, improve presentation quality.Use processing tool and the processing method of the present invention
After, finished product rate 100%, and molding is the simplest, improves working (machining) efficiency.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the schematic front view of processing tool of the present invention.
Fig. 2 is the C-C cross-sectional schematic of Fig. 1.
Fig. 3 is the A-A cross-sectional schematic of Fig. 1.
Fig. 4 is the B-B cross-sectional schematic of Fig. 1.
Fig. 5 is the E-E cross-sectional schematic of Fig. 2.
Fig. 6 is the J-J cross-sectional schematic of Fig. 7.
Fig. 7 is the schematic top plan view of thermal insulation layer front portion workpiece.
Fig. 8 is the K direction view of Fig. 7.
Fig. 9 is the D-D cross-sectional schematic of Fig. 8.
Figure 10 is the processing tool of present invention close-up schematic view when encircling thermal insulation layer front portion workpiece.
Figure 11 is the axonometric chart of gas turbine exhaust.
Figure 12 is the partial sectional view that thermal insulation layer is anterior.
In figure: thermal insulation layer front portion workpiece 1, eave tile portion 11, cylindrical portion 12, sealing ring fixed part 13, water conservancy diversion elbow 14, hole
15, processing tool 2, upper ring plate 21, internal ring liner plate 22, lower ring plate 23, gusset 24, process hole 25, dowel hole 26, bolt hole
27, the first semi-ring 28, the second semi-ring 29, connect gusset 20, cushion block 3.
Detailed description of the invention
Embodiment 1:
Such as Fig. 1 ~ 5, in 10, a kind of gas turbine exhaust thermal insulation layer front portion processing tool, processing tool is by the first semi-ring 28
Forming with the second semi-ring 29, the termination of the first semi-ring 28 and the second semi-ring 29 is provided with connection gusset 20, connects gusset 20 and is provided with
Dowel hole 26 and bolt hole 27, the first semi-ring 28 and the second semi-ring 29 are connected as an entirety by bolt passing through bolt hole 27；
The inner ring of the first semi-ring 28 and the second semi-ring 29 is provided with the internal ring liner plate 22 for encircling thermal insulation layer front portion workpiece 1.Thus
Structure, improves the intensity of thermal insulation layer front portion workpiece, it is simple to is placed on numerical control vertical lathe by thermal insulation layer front portion workpiece and is processed,
Decrease the deformation in welding process.
Preferably in scheme such as Fig. 5, in the first described semi-ring 28 and the second semi-ring 29, upper ring plate 21, internal ring liner plate 22
And it is fixedly connected by welding between lower ring plate 23.
Preferably in scheme such as Fig. 2, being additionally provided with multiple gusset 24 between upper ring plate 21 and lower ring plate 23, gusset 24 is along circle
Zhou Junbu.Use between upper ring plate 21, lower ring plate 23 and gusset 24 and be welded to connect.
Preferably in scheme such as Fig. 1, described internal ring liner plate 22 is provided with multiple processing hole 25.Thus structure, it is simple to add
Work hole 15 in Fig. 6, the cylindrical portion 12 being positioned at thermal insulation layer front portion workpiece 1 as shown in 8.
Preferably in scheme such as Fig. 1, the bolt hole 27 connected on gusset 20 is two, is positioned at up and down the two of connection gusset 20
End, dowel hole 26 is between bolt hole 27.Dowel hole 26 is for by accurate between the first semi-ring 28 and the second semi-ring 29
Location, then by bolt passing through bolt hole 27 by the first semi-ring 28 and the second fixing connection of semi-ring 29.
Preferably in scheme such as Figure 10, the height of processing tool is that the eave tile portion 11 of thermal insulation layer front portion workpiece 1 is curved with water conservancy diversion
The height of 14, when the processed frock of thermal insulation layer front portion workpiece 1 is encircled, eave tile portion 11 and water conservancy diversion elbow 14 expose at processing tool
Outside.
Embodiment 2:
On the basis of embodiment 1, in Fig. 1 ~ 12, a kind of above-mentioned processing tool processing thermal insulation layer front portion workpiece 1 of using
Processing method, comprises the following steps:
One, steel plate forming；Roll of steel plate is made two semicircular workpieces by veneer reeling machine；
As a example by GE company 7HA.01 exhaust apparatus, select 28mm rustless steel coiled sheet, utilize three rolls plate bending machine to be rolled into two semicircles
Workpiece；Split with boring and milling machine processing semicircular workpieces.
Two, semicircular workpieces welding is combined into full circle workpiece；Before welding, first set between the inwall of two semicircular workpieces
Put multiple positioning bar, to position the locus between two semicircular workpieces.
Three, with the outer wall of common vertical Vehicle Processing full circle workpiece, processing technique tolerance+0.1mm.
Four, full circle workpiece is encircled with processing tool 2, with bolt between the first semi-ring 28 and second semi-ring 29 of processing tool
Closing fastening；The tolerance of processing tool 2 is :-0.1～0mm.
Preferably in scheme, after processing tool encircles full circle workpiece, cushion block 3 is set in the bottom of processing tool, makes full circle
Workpiece is unsettled.
Preferably in scheme, individually machining eave tile portion 11, eave tile portion 11 is welded to connect with full circle workpiece.
Five, on numerical control vertical lathe, water conservancy diversion elbow 14 and sealing ring fixed part 13 are processed.Use processing tool by full circle workpiece
After Gu Ding, on numerical control vertical lathe, working height size and all sizes of endoporus become very easy, water conservancy diversion elbow 14 and sealing ring
Fixed part 13 is directly processed on numerical control vertical lathe, eliminates two weld seams, decreases the deformation of thermal insulation layer front portion workpiece 1.Numerical control
Vertical car is that the simple nc of military weight C534J1 type transformation founds car
Preferably in scheme, in the numerical control vertical lathe course of processing, eave tile portion 11 and water conservancy diversion elbow 14 expose outside processing tool.
The method using the present invention has successfully manufactured 7HA.01,7HA.02,9HA.01 type exhaust apparatus of GE company.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the restriction for the present invention, this Shen
Embodiment in please and the feature in embodiment, can mutual combination in any in the case of not conflicting.The protection model of the present invention
Enclose the technical scheme should recorded with claim, including the equivalent side of technical characteristic in the technical scheme that claim is recorded
Case is protection domain.Equivalent the most in this range is improved, also within protection scope of the present invention.
Claims (10)
1. a gas turbine exhaust thermal insulation layer front portion processing tool, is characterized in that: processing tool (2) is by the first semi-ring
(28) and the second semi-ring (29) forms, and the termination of the first semi-ring (28) and the second semi-ring (29) is provided with connection gusset (20), connects
Gusset (20) is provided with dowel hole (26) and bolt hole (27), and bolt passing through bolt hole (27) is by the first semi-ring (28) and second
Semi-ring (29) is connected as an entirety；
The inner ring of the first semi-ring (28) and the second semi-ring (29) is provided with the internal ring liner plate for encircling thermal insulation layer front portion workpiece (1)
(22).
A kind of gas turbine exhaust thermal insulation layer front portion the most according to claim 1 processing tool, is characterized in that: described
The first semi-ring (28) and the second semi-ring (29) in, between upper ring plate (21), internal ring liner plate (22) and lower ring plate (23) fixing even
Connect.
A kind of gas turbine exhaust thermal insulation layer front portion the most according to claim 2 processing tool, is characterized in that: upper
Being additionally provided with multiple gusset (24) between ring flat-plate (21) and lower ring plate (23), gusset (24) is uniformly distributed along the circumference.
A kind of gas turbine exhaust thermal insulation layer front portion the most according to claim 1 processing tool, is characterized in that: described
Internal ring liner plate (22) be provided with multiple processing hole (25).
A kind of gas turbine exhaust thermal insulation layer front portion the most according to claim 1 processing tool, is characterized in that: connect
Bolt hole (27) on gusset (20) is two, is positioned at the two ends up and down connecting gusset (20), and dowel hole (26) is positioned at bolt
Between hole (27).
A kind of gas turbine exhaust thermal insulation layer front portion the most according to claim 1 processing tool, is characterized in that: processing
The height of frock is the eave tile portion (11) height with water conservancy diversion elbow (14) of thermal insulation layer front portion workpiece (1), thermal insulation layer front portion workpiece
(1), when processed frock is encircled, eave tile portion (11) and water conservancy diversion elbow (14) expose outside processing tool.
7. a processing method for employing processing tool described in any one of claim 1 ~ 6, is characterized in that comprising the following steps:
One, steel plate forming；Roll of steel plate is made two semicircular workpieces by veneer reeling machine；
Two, semicircular workpieces welding is combined into full circle workpiece；
Three, the outer wall of full circle workpiece is processed；
Four, full circle workpiece is encircled with processing tool, with bolt between the first semi-ring (28) and second semi-ring (29) of processing tool
Closing fastening；
Five, on vertical car, water conservancy diversion elbow (14) and sealing ring fixed part (13) are processed；
Thermal insulation layer front portion workpiece is obtained by above step.
Processing method the most according to claim 7, is characterized in that: after processing tool encircles full circle workpiece, at processing tool
Bottom cushion block (3) is set, make full circle workpiece unsettled.
Processing method the most according to claim 8, is characterized in that: eave tile portion (11) are welded to connect with full circle workpiece.
Processing method the most according to claim 9, is characterized in that: eave tile portion (11) and water conservancy diversion elbow (14) expose and adding
Outside work frock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782144.6A CN106141597B (en) | 2016-08-31 | 2016-08-31 | Gas turbine exhaust thermal insulation layer front processing tool and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782144.6A CN106141597B (en) | 2016-08-31 | 2016-08-31 | Gas turbine exhaust thermal insulation layer front processing tool and processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106141597A true CN106141597A (en) | 2016-11-23 |
| CN106141597B CN106141597B (en) | 2018-08-10 |
Family
ID=57345452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782144.6A Active CN106141597B (en) | 2016-08-31 | 2016-08-31 | Gas turbine exhaust thermal insulation layer front processing tool and processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106141597B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350868A (en) * | 2017-08-14 | 2017-11-17 | 宜昌船舶柴油机有限公司 | Thin-wall semi shape welds sub-assembly processing tool and processing method |
| CN113084381A (en) * | 2021-03-18 | 2021-07-09 | 宜昌船舶柴油机有限公司 | Gas turbine exhaust cylinder heat insulation layer assembly assembling tool and assembling and welding method |
| CN113399951A (en) * | 2021-07-13 | 2021-09-17 | 温州国乐不锈钢管业有限公司 | Processing technology of U-shaped stainless steel pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1317987A1 (en) * | 2001-12-06 | 2003-06-11 | Snecma Moteurs | Manufacturing process of a turbine rotor ring |
| CN202570065U (en) * | 2012-05-11 | 2012-12-05 | 河北英都气化有限公司 | Stirring shaft stabilizing device |
| CN203019063U (en) * | 2012-12-20 | 2013-06-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece |
| CN203579218U (en) * | 2013-09-25 | 2014-05-07 | 天津市中重金属结构有限公司 | Tool for processing articulation holes |
| CN203804845U (en) * | 2014-03-25 | 2014-09-03 | 东方电气集团东方汽轮机有限公司 | Steam turbine barrel-shaped internal cylinder upper half and lower half merging and clamping fixture |
| CN205950177U (en) * | 2016-08-31 | 2017-02-15 | 宜昌船舶柴油机有限公司 | Anterior processing frock of gas turbine exhaust apparatus insulating layer |
-
2016
- 2016-08-31 CN CN201610782144.6A patent/CN106141597B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1317987A1 (en) * | 2001-12-06 | 2003-06-11 | Snecma Moteurs | Manufacturing process of a turbine rotor ring |
| CN202570065U (en) * | 2012-05-11 | 2012-12-05 | 河北英都气化有限公司 | Stirring shaft stabilizing device |
| CN203019063U (en) * | 2012-12-20 | 2013-06-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Device for preventing processing deformation of internal profile of cylindrical thin-walled workpiece |
| CN203579218U (en) * | 2013-09-25 | 2014-05-07 | 天津市中重金属结构有限公司 | Tool for processing articulation holes |
| CN203804845U (en) * | 2014-03-25 | 2014-09-03 | 东方电气集团东方汽轮机有限公司 | Steam turbine barrel-shaped internal cylinder upper half and lower half merging and clamping fixture |
| CN205950177U (en) * | 2016-08-31 | 2017-02-15 | 宜昌船舶柴油机有限公司 | Anterior processing frock of gas turbine exhaust apparatus insulating layer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350868A (en) * | 2017-08-14 | 2017-11-17 | 宜昌船舶柴油机有限公司 | Thin-wall semi shape welds sub-assembly processing tool and processing method |
| CN113084381A (en) * | 2021-03-18 | 2021-07-09 | 宜昌船舶柴油机有限公司 | Gas turbine exhaust cylinder heat insulation layer assembly assembling tool and assembling and welding method |
| CN113084381B (en) * | 2021-03-18 | 2022-06-14 | 宜昌船舶柴油机有限公司 | Gas turbine exhaust cylinder heat insulation layer assembly assembling tool and assembling and welding method |
| CN113399951A (en) * | 2021-07-13 | 2021-09-17 | 温州国乐不锈钢管业有限公司 | Processing technology of U-shaped stainless steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106141597B (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103008998B (en) | Superplastic forming (SPF)/diffusion bonding (DB) forming method of titanium alloy cylindrical three-layer structure | |
| CN103273281B (en) | A kind of construction technology of thin-wall barrel | |
| CN105345384B (en) | Positioning and welding clamp for header pipe and welding deformation control method | |
| CN106141597A (en) | Gas turbine exhaust thermal insulation layer front portion processing tool and processing method | |
| CN103008997A (en) | Superplastic forming (SPF)/diffusion bonding (DB) forming method of titanium alloy cylindrical four-layer structure | |
| CN103182633B (en) | Split-type automobile rear-axle housing assembly welding method | |
| CN107401175B (en) | A kind of method of construction of the upper guide pipe support of six pile leaders frame | |
| CN104028607B (en) | A kind ofly improve the processing method that spinning subtracts thick pipe finished quality | |
| CN103818540A (en) | Processing method of eccentric full-revolving steering oar device base | |
| CN103722346A (en) | Corrosion-resistant metallurgical composite bimetal longitudinal submerged-arc welded steel pipe and method for manufacturing same | |
| CN103736807A (en) | Paired-wheel spinning machining method for roll-welded cylindrical part | |
| CN104525660B (en) | A kind of current-assisted titanium alloy corrugated pipe thermal forming device and method | |
| CN105710156A (en) | Technology for rolling metal composite tube with corrugated combination surface | |
| CN102078888A (en) | Method for manufacturing steel pipe with long round section | |
| CN205950177U (en) | Anterior processing frock of gas turbine exhaust apparatus insulating layer | |
| CN209140110U (en) | A kind of connection structure of spliced titanium seamless tubes | |
| CN110238617A (en) | A method of improving the annular flame tube head group section component accuracy of manufacture | |
| CN102152070A (en) | Method for manufacturing ring-shaped piece | |
| CN109570318A (en) | A kind of gas turbine exhaust road abutment wall sheet metal component fluid forming method | |
| CN205834022U (en) | A kind of complicated arc tube processing unit (plant) | |
| CN204573985U (en) | A kind of device that puts in place for nuclear boiler steam-water separator | |
| CN113333549B (en) | Method for machining front ring of flame tube of gas turbine | |
| CN103394874B (en) | 1200MW level nuclear power Half Speed steam turbine generator outlet box erection welding process | |
| CN113751907B (en) | Welding method for controlling bending deformation of DMCL welding enclosure | |
| CN111468876B (en) | 400 MW-level heavy gas turbine nozzle fairing welding and positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |