CN106141597B - Gas turbine exhaust thermal insulation layer front processing tool and processing method - Google Patents
Gas turbine exhaust thermal insulation layer front processing tool and processing method Download PDFInfo
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- CN106141597B CN106141597B CN201610782144.6A CN201610782144A CN106141597B CN 106141597 B CN106141597 B CN 106141597B CN 201610782144 A CN201610782144 A CN 201610782144A CN 106141597 B CN106141597 B CN 106141597B
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention provides a kind of gas turbine exhaust thermal insulation layer front processing tool and processing method, processing tool is made of the first semi-ring and the second semi-ring, the end of first semi-ring and the second semi-ring is equipped with connecting rib, connecting rib is equipped with dowel hole and bolt hole, and the first semi-ring and the second semi-ring are connected as an entirety by bolt passing through bolt hole；The inner ring of first semi-ring and the second semi-ring is equipped with the inner ring liner plate for encircling thermal insulation layer front workpiece.Processing method includes the following steps：Steel plate is rolled into two semicircular workpieces on veneer reeling machine；And it welds and is combined into full circle workpiece；Full circle workpiece is encircled with processing tool, processing water conservancy diversion elbow and sealing ring fixed part on vertical vehicle.By using above-mentioned processing tool, thermal insulation layer front workpiece ring is held to the scheme for increasing intensity, overcomes segmented welding connection in the prior art and is easily deformed, the shortcomings that quality is difficult to ensure.It solves the processing problem of thin-wall workpiece, reduces weld seam quantity and workpiece deformation, improve yield rate.
Description
Technical field
It is especially a kind of heat-insulated using gas turbine exhaust the present invention relates to gas turbine exhaust manufacture field
The processing method of layer front processing tool.
Background technology
Exhaust apparatus is the exhaust passage of gas turbine, and the inside of H-type gas turbine exhaust is heat-insulated with stainless steel
Layer, for convenience of combustion engine rotor maintenance, thermal insulation layer front is designed as removable assembling structure, sees Figure 11,12.H-type combustion turbine exhaustion fills
It sets the dismantled and assembled front design drawing of thermal insulation layer and sees Fig. 6 ~ 9, formed by four sections：That is eave tile portion 11, cylindrical portion 12, sealing ring fixed part 13
With water conservancy diversion elbow 14.Existing production method is to divide four sections of making, 14 compression molding of water conservancy diversion elbow, sealing ring to fix by design drawing
Portion 13 is machining, and first by machining, four sections pass through V in joint for the molding of 12 direct roll bending of cylindrical portion, eave tile portion 11
Type groove welding is at finished product.By existing design and existing production method, complex process, there are three splicing welding joints, welding deformation is big,
The thin-wall part due to product but also for two halves structure is so be difficult to ensure that drawing required precision, yield rate are low not only.
Invention content
Technical problem to be solved by the invention is to provide a kind of using the processing of gas turbine exhaust thermal insulation layer front
The processing method of tooling can improve yield rate, reduce weld seam, reduce workpiece deformation, improve presentation quality.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of gas turbine exhaust is heat-insulated
Layer front processing tool, processing tool are made of the first semi-ring and the second semi-ring, and the end of the first semi-ring and the second semi-ring is equipped with
Connecting rib, connecting rib are equipped with dowel hole and bolt hole, and bolt passing through bolt hole connects the first semi-ring and the second semi-ring
It is connected in an entirety；
The inner ring of first semi-ring and the second semi-ring is equipped with the inner ring liner plate for encircling thermal insulation layer front workpiece.
It is solid between upper ring plate, inner ring liner plate and lower ring plate in first semi-ring and the second semi-ring in preferred scheme
Fixed connection.
In preferred scheme, multiple gussets are additionally provided between upper ring plate and lower ring plate, gusset is uniformly distributed along the circumference.
In preferred scheme, the inner ring liner plate is equipped with multiple processing holes.
In preferred scheme, the bolt hole on connecting rib is two, is located at the upper and lower ends of connecting rib, dowel hole
Between bolt hole.
In preferred scheme, the height of processing tool is the height in the eave tile portion and water conservancy diversion elbow of thermal insulation layer front workpiece,
When workpiece processed tooling in thermal insulation layer front is encircled, eave tile portion and water conservancy diversion elbow expose except processing tool.
A kind of processing method using above-mentioned processing tool includes the following steps：
One, steel plate forming；Steel plate is rolled into two semicircular workpieces on 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 conjunction between the first semi-ring and the second semi-ring of processing tool
Fastening；
Five, processing water conservancy diversion elbow and sealing ring fixed part on vertical vehicle.
In preferred scheme, after processing tool encircles full circle workpiece, cushion block is set in the bottom of processing tool, makes full circle work
Part is hanging.
In preferred scheme, eave tile portion is individually machined, eave tile portion is welded to connect with full circle workpiece.
In preferred scheme, eave tile portion and water conservancy diversion elbow expose except processing tool.
A kind of processing method using gas turbine exhaust thermal insulation layer front processing tool provided by the invention, passes through
Using above-mentioned processing tool, thermal insulation layer front workpiece ring is held to the scheme for increasing intensity, overcomes and is segmented in the prior art
It is welded to connect and is easily deformed, the shortcomings that quality is difficult to ensure.The processing problem for solving thin-wall workpiece reduces two weld seam numbers
Amount reduces workpiece deformation, so as to improve yield rate, improves presentation quality.Processing tool using the present invention and processing
After method, finished product rate 100%, and molding is more simple, improves processing efficiency.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the schematic front view of processing tool of the present invention.
Fig. 2 is the C-C schematic cross-sectional views of Fig. 1.
Fig. 3 is the A-A schematic cross-sectional views of Fig. 1.
Fig. 4 is the B-B schematic cross-sectional views of Fig. 1.
Fig. 5 is the E-E schematic cross-sectional views of Fig. 2.
Fig. 6 is the J-J schematic cross-sectional views of Fig. 7.
Fig. 7 is the schematic top plan view of thermal insulation layer front workpiece.
Fig. 8 is the K direction views of Fig. 7.
Fig. 9 is the D-D schematic cross-sectional views of Fig. 8.
Figure 10 is close-up schematic view when processing tool of the invention encircles thermal insulation layer front workpiece.
Figure 11 is the stereogram of gas turbine exhaust.
Figure 12 is the partial sectional view of thermal insulation layer front.
In figure：Thermal insulation layer front 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, inner ring liner plate 22, lower ring plate 23, gusset 24, processing hole 25, dowel hole 26, bolt hole
27, the first semi-ring 28, the second semi-ring 29, connecting rib 20, cushion block 3.
Specific implementation mode
Embodiment 1：
In Fig. 1 ~ 5,10, a kind of gas turbine exhaust thermal insulation layer front processing tool, processing tool is by the first half
Ring 28 and the second semi-ring 29 composition, the end of the first semi-ring 28 and the second semi-ring 29 are equipped with connecting rib 20, on connecting rib 20
Equipped with dowel hole 26 and bolt hole 27, bolt passing through bolt hole 27 by the first semi-ring 28 and the second semi-ring 29 be connected as one it is whole
Body；
The inner ring of first semi-ring 28 and the second semi-ring 29 is equipped with the inner ring liner plate 22 for encircling thermal insulation layer front workpiece 1.
Thus structure improves the intensity of thermal insulation layer front workpiece, is carried out convenient for thermal insulation layer front workpiece to be placed on numerical control vertical lathe
Processing, decreases deformation in the welding process.
In preferred scheme such as Fig. 5, in first semi-ring 28 and the second semi-ring 29, upper ring plate 21, inner ring liner plate 22
It is fixedly connected by welding between lower ring plate 23.
In preferred scheme such as Fig. 2, multiple gussets 24 are additionally provided between upper ring plate 21 and lower ring plate 23, gusset 24 is along circle
Zhou Junbu.It uses and is welded to connect between upper ring plate 21, lower ring plate 23 and gusset 24.
In preferred scheme such as Fig. 1, the inner ring liner plate 22 is equipped with multiple processing holes 25.Thus structure, convenient for adding
Work such as Fig. 6, the hole 15 being located at shown in 8 in the cylindrical portion 12 of thermal insulation layer front workpiece 1.
In preferred scheme such as Fig. 1, the bolt hole 27 on connecting rib 20 is two, is located at up and down the two of connecting rib 20
End, dowel hole 26 is between bolt hole 27.Dowel hole 26 is used for will be accurate between the first semi-ring 28 and the second semi-ring 29
First semi-ring 28, is then fixedly connected by positioning by bolt passing through bolt hole 27 with the second semi-ring 29.
In preferred scheme such as Figure 10, the height of processing tool be thermal insulation layer front workpiece 1 eave tile portion 11 and water conservancy diversion it is curved
First 14 height, thermal insulation layer front workpiece 1 is processed tooling when encircling, and eave tile portion 11 and water conservancy diversion elbow 14 expose in processing tool
Except.
Embodiment 2：
It is a kind of using above-mentioned processing tool processing thermal insulation layer front workpiece in Fig. 1 ~ 12 on the basis of embodiment 1
1 processing method, includes the following steps：
One, steel plate forming；Steel plate is rolled into two semicircular workpieces on veneer reeling machine；
By taking GE companies 7HA.01 exhaust apparatus as an example, 28mm stainless steel coiled sheets are selected, two are rolled into using three rolls plate bending machine
Semicircular workpieces；The split of semicircular workpieces is processed with boring and milling machine.
Two, semicircular workpieces welding is combined into full circle workpiece；Before welding, it is first set between the inner wall of two semicircular workpieces
Multiple positioning bars are set, to position the spatial position between two semicircular workpieces.
Three, commonly to found the outer wall of Vehicle Processing full circle workpiece, processing technology tolerance+0.1mm.
Four, full circle workpiece is encircled with processing tool 2, with bolt between the first semi-ring 28 and the second semi-ring 29 of processing tool
It is fastened closing；The tolerance of processing tool 2 is：- 0.1~0mm.
In preferred scheme, after processing tool encircles full circle workpiece, cushion block 3 is set in the bottom of processing tool, makes full circle
Workpiece is hanging.
In preferred scheme, eave tile portion 11 is individually machined, eave tile portion 11 is welded to connect with full circle workpiece.
Five, water conservancy diversion elbow 14 and sealing ring fixed part 13 are processed on numerical control vertical lathe.Using processing tool by full circle workpiece
After fixation, working height size and all sizes of endoporus become very easy on numerical control vertical lathe, water conservancy diversion elbow 14 and sealing ring
Fixed part 13 is directly processed on numerical control vertical lathe, eliminates two weld seams, reduces the deformation of thermal insulation layer front workpiece 1.Numerical control
Vertical vehicle is that the simple nc of military weight C534J1 types transformation founds vehicle
In preferred scheme, in numerical control vertical lathe process, eave tile portion 11 and water conservancy diversion elbow 14 expose in processing tool
Except.
7HA.01,7HA.02,9HA.01 type exhaust apparatus of GE companies have successfully been manufactured with the method for the present invention.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the limitation for the present invention, this Shen
Please in embodiment and embodiment in feature in the absence of conflict, mutually can arbitrarily combine.The protection model of the present invention
Enclose the equivalent replacement side of technical characteristic in the technical solution that should be recorded with claim, including the technical solution of claim record
Case is protection domain.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (4)
1. a kind of processing method using gas turbine exhaust thermal insulation layer front processing tool, processing tool（2）By first
Semi-ring（28）With the second semi-ring（29）Composition, the first semi-ring（28）With the second semi-ring（29）End be equipped with connecting rib（20）,
Connecting rib（20）It is equipped with dowel hole（26）And bolt hole（27）, bolt passing through bolt hole（27）By the first semi-ring（28）With
Second semi-ring（29）It is connected as an entirety；
First semi-ring（28）With the second semi-ring（29）Inner ring be equipped with for encircling thermal insulation layer front workpiece（1）Inner ring liner plate
（22）,
First semi-ring（28）With the second semi-ring（29）In, upper ring plate（21）, inner ring liner plate（22）With lower ring plate（23）It
Between be fixedly connected；
In upper ring plate（21）With lower ring plate（23）Between be additionally provided with multiple gussets（24）, gusset（24）It is uniformly distributed along the circumference；
The inner ring liner plate（22）It is equipped with multiple processing holes（25）；
It is characterized in that including the following steps：
One, steel plate forming；Steel plate is rolled into two semicircular workpieces on 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, the first semi-ring of processing tool are encircled with processing tool（28）With the second semi-ring（29）Between with bolt
It is fastened closing；
Individually machining eave tile portion（11）, eave tile portion（11）It is welded to connect with full circle workpiece；
Five, water conservancy diversion elbow is processed on vertical vehicle（14）With sealing ring fixed part（13）；
Thermal insulation layer front workpiece is obtained by above step.
2. a kind of processing side using gas turbine exhaust thermal insulation layer front processing tool according to claim 1
Method, it is characterized in that：Connecting rib（20）On bolt hole（27）It is two, is located at connecting rib（20）Upper and lower ends, positioning
Pin hole（26）Positioned at bolt hole（27）Between.
3. a kind of processing side using gas turbine exhaust thermal insulation layer front processing tool according to claim 1
Method, it is characterized in that：The height of processing tool is thermal insulation layer front workpiece（1）Eave tile portion（11）With water conservancy diversion elbow（14）Height
Degree, thermal insulation layer front workpiece（1）When processed tooling is encircled, eave tile portion（11）With water conservancy diversion elbow（14）Expose processing tool it
Outside.
4. a kind of processing side using gas turbine exhaust thermal insulation layer front processing tool according to claim 1
Method, it is characterized in that：After processing tool encircles full circle workpiece, cushion block is set in the bottom of processing tool（3）, keep full circle workpiece outstanding
It is empty.
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 |
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| Publication Number | Publication Date |
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| CN106141597A CN106141597A (en) | 2016-11-23 |
| CN106141597B true CN106141597B (en) | 2018-08-10 |
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| 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 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107350868B (en) * | 2017-08-14 | 2023-06-23 | 宜昌船舶柴油机有限公司 | Thin-wall hemispherical welding assembly machining tool and machining 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 |
| CN113399951B (en) * | 2021-07-13 | 2022-08-19 | 温州国乐不锈钢管业有限公司 | Processing technology of U-shaped stainless steel pipe |
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| 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 |
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| CN106141597A (en) | 2016-11-23 |
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