CN110315359A - A kind of low-pressure turbine guide vane tool structure and adjusting method - Google Patents
A kind of low-pressure turbine guide vane tool structure and adjusting method Download PDFInfo
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- CN110315359A CN110315359A CN201910543811.9A CN201910543811A CN110315359A CN 110315359 A CN110315359 A CN 110315359A CN 201910543811 A CN201910543811 A CN 201910543811A CN 110315359 A CN110315359 A CN 110315359A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 50
- 238000012545 processing Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 230000036316 preload Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention is a kind of low-pressure turbine guide vane tool structure and adjusting method, including pedestal, the upper surface of the pedestal is equipped with several locating pieces, positioning pin, hinge hold-down mechanism, lever meter, the rear of the lever meter is provided with closely-pitched stud, the closely-pitched stud is connected through a screw thread perpendicular to the pedestal and with the pedestal, the part that the closely-pitched stud is located at the base upper surface is also threaded with locking nut, positioning mechanism is fixedly connected with below the pedestal, the locating piece is fixedly connected on the pedestal by pin and screw, the locating piece, the quantity of positioning pin is at least three, the quantity at least two of the hinge hold-down mechanism；Present invention aim to address current low-pressure turbine guide vane is easily-deformable in process, the big problem of technology difficulty.
Description
Technical field
The invention belongs to aeroplane engine wheel guide vane manufacturing fields, and in particular to a kind of low-pressure turbine guide vane work
Assembling structure and adjusting method.
Background technique
Turborotor is the important composition component of turbine section in turbogenerator.High-speed rotating blade is responsible for will be high
The air-flow of warm high pressure sucks burner, to maintain the work of engine.Turborotor generally bear biggish working stress and
Higher operating temperature, and the variation of stress and temperature is also relatively frequently and violent, it is right in addition there are corrosion and wear problem
The requirement of operating condition is very harsh, therefore it is required that the machining accuracy of blade is very high.
Low-pressure turbine guide vane generallys use multi-joint structure, and common structure is 4-6 leaf group, blade overall structure is long,
Wide, narrow, thin, i.e., radial big with circumferential span, axial dimension is small, blade Bao Erchang, blade minimum wall thickness (MINI W.) only 1m or so, therefore
Part is easily-deformable in process, and technology difficulty is big.
Summary of the invention
The present invention provides a kind of low-pressure turbine guide vane tool structure and adjusting method, it is therefore an objective to solve current low pressure whirlpool
It is easily-deformable in process to take turns guide vane, the big problem of technology difficulty.
The embodiment of the present invention provides a kind of low-pressure turbine guide vane tool structure and adjusting method, including pedestal,
The upper surface of the pedestal is equipped with several locating pieces, positioning pin, hinge hold-down mechanism, lever meter, the rear of the lever meter
It is provided with closely-pitched stud, the closely-pitched stud is connected through a screw thread perpendicular to the pedestal and with the pedestal, the closely-pitched spiral shell
The part that column is located at the base upper surface is also threaded with locking nut.
Preferably, the hinge hold-down mechanism includes eyelet bolt A, the eyelet bolt A perpendicular to the pedestal,
Bottom is connected with pedestal, and the upper end of the eyelet bolt A is rotatably connected to pressing plate, is connected with briquetting below the pressing plate,
The other end of the pressing plate offers opening, and eyelet bolt B, the lower end rotation of the eyelet bolt B are set in the opening
It is connected with hinge forked standard, the bottom of the hinge forked standard is fixedly connected with the base, and the upper end of the hinge forked standard is machined with
External screw thread, the partial threads that the hinge forked standard is located above the pressing plate are connected with nut.
Preferably, the bottom of the eyelet bolt A is machined with external screw thread, hole is threaded on the pedestal, it is described
Eyelet bolt A is connected with pedestal by screw thread.
Preferably, being machined with through-hole on the pressing plate and the briquetting, straight pin is installed in the through-hole, it is described
Pressing plate is rotatablely connected with the briquetting by the straight pin.
Preferably, being fixedly connected with positioning mechanism below the pedestal.
Preferably, the locating piece is fixedly connected on the pedestal by pin and screw.
Preferably, the quantity of the locating piece is at least three.
Preferably, the quantity of the positioning pin is at least three.
Preferably, the quantity at least two of the hinge hold-down mechanism.
A kind of adjusting method of low-pressure turbine guide vane, method includes the following steps:
A, nut is removed, rotary pressure plate from eyelet bolt B, opens hinge hold-down mechanism；
B, locking nut is unclamped, closely-pitched stud is rotated, is allowed to decline；
C, turborotor to be processed is placed on pedestal, and makes each anchor point and each locating piece and each positioning of blade
Pin is in contact；
D, pressing plate is reversely rotated, so that briquetting is compressed blade upper surface, and nut is mounted on the upper end eyelet bolt B, pre-load nut；
E, lever meter is adjusted, so that gauge outfit is in contact with the end face to be processed of blade, by lever meter to zero；
F, closely-pitched stud is rotated, makes to be in contact at the top of closely-pitched stud with blade bottom, during closely-pitched stud jacks up, slightly revolve
Turn nut makes pressing plate apply pressing force to blade, while observing the index variation of lever meter, if the index variation of lever meter is super
± 0.01mm out then reversely rotates closely-pitched stud, makes blade that reversed micro-deformation occur, when the index of lever meter is restored to ± 0.
After within 01mm, continue rotating nuts, pressing plate is made to apply pressing force to blade, until nut is less than in the index variation of lever meter
Until being locked in the range of ± 0.01mm.
G, it is bonded situation using what 0.03mm clearance gauge checked each anchor point of part and locating piece and positioning pin, determines blade dress
Position is clipped to, blade clamping is completed；
H, lever meter is removed, the fixture for completing blade clamping is installed in equipment by positioning mechanism, blade is processed.
Technical solution provided by the present application at least has following technical effect that
It 1, include that " upper surface of the pedestal is equipped with several locating pieces, positioning pin, hinge hold-down mechanism, lever in the present invention
Table, the rear of the lever meter are provided with closely-pitched stud, and the closely-pitched stud passes through perpendicular to the pedestal and with the pedestal
Be threadedly coupled, the part that the closely-pitched stud is located at the base upper surface is also threaded with locking nut " technical solution,
Since low-pressure turbine guide vane has the characteristics that length and width, narrow, thin, when hinge hold-down mechanism is after pressing blade, blade can be made
End face generates deformation, influences the machining accuracy of blade, therefore the deflection of vane end faces is adjusted by adjusting closely-pitched stud, passes through
Using the deflection of lever meter measurement vane end faces, it is adjusted to the deflection of vane end faces and is less than in the range of ± 0.01mm,
To improve the machining accuracy and processing quality of blade.
It 2, include " being provided with hinge hold-down mechanism, the hinge hold-down mechanism includes eyelet bolt A, described in the present invention
Eyelet bolt A is connected perpendicular to the pedestal, bottom with pedestal, and the upper end of the eyelet bolt A is rotatably connected to pressing plate,
Briquetting is connected with below the pressing plate, the other end of the pressing plate offers opening, is set with eyelet bolt in the opening
B, the lower end of the eyelet bolt B are rotatably connected to hinge forked standard, and the bottom of the hinge forked standard is fixedly connected with the base,
The upper end of the hinge forked standard is machined with external screw thread, and the partial threads that the hinge forked standard is located above the pressing plate are connected with spiral shell
Blade need to be only placed on pedestal by the technical solution of mother " when needing blade clamping on pedestal, pressing plate be overturn, by briquetting
It is pressed together on above blade, is inserted in eyelet bolt in the opening on pressing plate, locking nut.By the way that hinge compacting machine is arranged
Structure can make the quick clamping of turborotor on pedestal, and blade is made to facilitate fixation, enhance working efficiency.
It 3, include " being machined with through-hole on the pressing plate and the briquetting, cylinder being installed in the through-hole in the present invention
Pin, the pressing plate and the briquetting are rotatablely connected by the straight pin " technical solution, which can enable briquetting opposite
Rotation is generated in pressing plate, to make briquetting that there is certain aligning effect, due to having one between the blank of different blades
Fixed shape and size error, the briquetting that can generate rotation can generate aligning effect to the blade of different errors, thus by leaf
Piece closely presses, and keeps blade fixation more stable.
Detailed description of the invention
Fig. 1 is the integrally-built top view of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the sectional view along A-A in Fig. 1；
Fig. 4 is the B-B direction cross-sectional view in Fig. 1；
In figure, 1. pedestals, 2. positioning mechanisms, 3. locating pieces, 4. pins, 5. screws, 6. positioning pins, 13. eyelet bolt A, 14. pressures
Plate, 15. briquettings, 16. straight pins, 17. eyelet bolt B, 18. hinge forked standards, 19. openings, 20. nuts, 21. closely-pitched studs, 22.
Locking nut, 23. lever meters, 24. hinge hold-down mechanisms.
Specific embodiment
The embodiment of the present invention provides a kind of low-pressure turbine guide vane tool structure and adjusting method, it is therefore an objective to solve current
Low-pressure turbine guide vane is easily-deformable in process, the big problem of technology difficulty.
Since low-pressure turbine guide vane has the characteristics that length and width, narrow, thin, when hinge hold-down mechanism 24 is in pressing blade
Afterwards, vane end faces can be made to generate deformation, influence the machining accuracy of blade, therefore adjust vane end faces by adjusting closely-pitched stud 21
Deflection, by using lever meter 23 measure vane end faces deflection, make the deflection of vane end faces be adjusted to be less than ±
In the range of 0.01mm, to improve the machining accuracy and processing quality of blade.
The present invention is by setting hinge hold-down mechanism 24, when needing blade clamping on pedestal 1, need to only put blade
On pedestal 1, pressing plate 14 is overturn, briquetting 15 is pressed together on above blade, is inserted in eyelet bolt 17 in the opening on pressing plate 14,
Locking nut 20.The design can make the quick clamping of turborotor on pedestal 1, and blade is made to facilitate fixation, enhancing
Working efficiency.
Pressing plate 14 is rotatablely connected with briquetting 15 by straight pin 16 by the present invention, and briquetting 15 can be enable relative to pressing plate 14
Rotation is generated, to make briquetting 15 that there is certain aligning effect, due to having centainly between the blank of different blades
Shape and size error, the briquetting 15 that can generate rotation can generate aligning effect to the blade of different errors, thus by blade
Close pressing keeps blade fixation more stable.
For a better understanding of the technical solution of the present invention, with reference to the accompanying drawings and embodiments to technical solution of the present invention
It is described in detail:
The embodiment of the present invention provides a kind of low-pressure turbine guide vane tool structure and adjusting method, as shown in Figure 1 and Figure 2,
It mainly include pedestal 1, there are three 6, two groups of the positioning pin of locating piece 3, three hinge hold-down mechanisms for the upper surface installation of the pedestal 1
24, two groups of lever meters 23, the locating piece 3 and the anchor point institute that positioning pin 6 is installed in turborotor to be processed are in place
It sets, wherein two locating pieces 3 and two positioning pins 6 are installed on the rear side of the pedestal 1 close to the position of vane end faces, and one
A locating piece 3 is installed on the right side of the pedestal 1, and a positioning pin 6 is installed on the front side of the pedestal 1, and the locating piece 3 is logical
It crosses pin 4 and screw 5 is fixedly connected on the pedestal 1, hinge hold-down mechanism 24 described in two groups is across in the pedestal 1
Portion, the lever meter 23 is installed on the side in front to be processed of turborotor to be processed, for testing turbine guiding to be processed
The deflection in the face to be processed of blade.As shown in figure 4, the rear of the lever meter 23 is provided with closely-pitched stud 21, the closely-pitched
Stud 21 is connected through a screw thread perpendicular to the pedestal 1 and with the pedestal 1, and the closely-pitched stud 21 is located on the pedestal 1
The part on surface is also threaded with locking nut 22.
Specifically, as shown in figure 3, the hinge hold-down mechanism 24 include eyelet bolt A13, the eyelet bolt A13's
Bottom is machined with external screw thread, hole is threaded on the pedestal 1, the eyelet bolt A13 is perpendicular to the pedestal 1, bottom
Portion is connected with pedestal 1 by screw thread.The upper end of the eyelet bolt A13 is rotatably connected to pressing plate 14, under the pressing plate 14
Side is connected with briquetting 15, is machined with through-hole on the pressing plate 14 and the briquetting 15, straight pin 16 is equipped in the through-hole,
The pressing plate 14 is rotatablely connected with the briquetting 15 by the straight pin 16.The briquetting 15 can surround 16 turns of straight pin
It is dynamic, to make briquetting 15 that there is certain aligning effect, due between the blank of different blades with certain shape and
Scale error, the briquetting 15 that can generate rotation can generate aligning effect to the blade of different errors, so that blade closely be pressed
It closes, keeps blade fixation more stable.The other end of the pressing plate 14 offers opening 19, is set with movable joint spiral shell in the opening 19
Bolt B17, the lower end of the eyelet bolt B17 are rotatably connected to hinge forked standard 18, the bottom and the bottom of the hinge forked standard 18
Seat 1 is fixedly connected, and the upper end of the hinge forked standard 18 is machined with external screw thread, and the hinge forked standard 18 is located at 14 top of pressing plate
Partial threads be connected with nut 20, locking nut 20 can lock the hinge hold-down mechanism 24.
Specifically, the lower section of the pedestal 1 is fixedly connected with positioning mechanism 2, the positioning mechanism 2 is EROWA pallet,
Concrete model is ER-015777, can be bought in market.The positioning mechanism 2 is used to pedestal 1 being fixed on machining tool.
In use, nut 20 is removed from eyelet bolt B17, rotary pressure plate 14, open hinge hold-down mechanism 24.Pine
Open locking nut 22 rotates closely-pitched stud 21, is allowed to decline.Turborotor to be processed is placed on pedestal 1, and is made
Each anchor point of blade is in contact with each locating piece 3 and each positioning pin 6.Pressing plate 14 is reversely rotated, compresses briquetting 15 on blade
Surface, and nut 20 is mounted on the upper end eyelet bolt B17, pre-load nut 20.Adjust lever meter 23, make gauge outfit and blade to
Processing end face is in contact, by lever meter 23 to zero.Closely-pitched stud 21 is rotated, 21 top of closely-pitched stud is made to connect with blade bottom
Touching, during closely-pitched stud 21 jacks up, slightly rotating nuts 20 make pressing plate 14 apply pressing force to blade, while observing thick stick
The index variation of bar table 23 reversely rotates closely-pitched stud 21, makes leaf if the index variation of lever meter 23 exceeds ± 0.01mm
Reversed micro-deformation occurs for piece, after the index of lever meter 23 is restored within ± 0.01mm, continues rotating nuts 20, makes pressing plate
14 pairs of blades apply pressing forces, until nut 20 be locked in the range of the index variation of lever meter 23 is less than ± 0.01mm for
Only.Since low-pressure turbine guide vane has the characteristics that length and width, narrow, thin, when hinge hold-down mechanism 24 is after pressing blade, meeting
So that vane end faces is generated deformation, influence the machining accuracy of blade, therefore adjusts the change of vane end faces by adjusting closely-pitched stud 21
Shape amount measures the deflection of vane end faces by using lever meter 23, is adjusted to the deflection of vane end faces and is less than ± 0.
In the range of 01mm, to improve the machining accuracy and processing quality of blade.Each anchor point of part is checked using 0.03mm clearance gauge
It is bonded situation with locating piece 3 and positioning pin 6, blade clamping is determined in place, completes blade clamping.Lever meter 23 is removed, it will be complete
It is installed in equipment at the fixture of blade clamping by positioning mechanism 2, vane end faces is processed.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of low-pressure turbine guide vane tool structure, including pedestal (1), which is characterized in that the upper surface of the pedestal (1)
Several locating pieces (3), positioning pin (6), hinge hold-down mechanism (24), lever meter (23) be installed, after the lever meter (23)
Side is provided with closely-pitched stud (21), and the closely-pitched stud (21) passes through screw thread perpendicular to the pedestal (1) and with the pedestal (1)
Connection, the part that the closely-pitched stud (21) is located at the pedestal (1) upper surface is also threaded with locking nut (22).
2. low-pressure turbine guide vane tool structure according to claim 1, which is characterized in that the hinge hold-down mechanism
(24) include eyelet bolt A(13), the eyelet bolt A(13) perpendicular to the pedestal (1), bottom is connected with pedestal (1)
Connect, the eyelet bolt A(13) upper end be rotatably connected to pressing plate (14), be connected with briquetting below the pressing plate (14)
(15), the other end of the pressing plate (14) offers opening (19), is set with eyelet bolt B(17 in the opening (19)), institute
State eyelet bolt B(17) lower end be rotatably connected to hinge forked standard (18), the bottom of the hinge forked standard (18) and the pedestal
(1) it is fixedly connected, the upper end of the hinge forked standard (18) is machined with external screw thread, and the hinge forked standard (18) is located at the pressing plate
(14) partial threads above are connected with nut (20).
3. low-pressure turbine guide vane tool structure according to claim 2, which is characterized in that the eyelet bolt A
(13) bottom is machined with external screw thread, is threaded hole, the eyelet bolt A(13 on the pedestal (1)) it is logical with pedestal (1)
Screw thread is crossed to be connected.
4. low-pressure turbine guide vane tool structure according to claim 2, which is characterized in that the pressing plate (14) and institute
It states and is machined with through-hole on briquetting (15), be equipped in the through-hole straight pin (16), the pressing plate (14) and the briquetting
(15) it is rotatablely connected by the straight pin (16).
5. low-pressure turbine guide vane tool structure according to any one of claim 1 to 4, which is characterized in that described
Positioning mechanism (2) are fixedly connected with below pedestal (1).
6. low-pressure turbine guide vane tool structure according to any one of claim 1 to 4, which is characterized in that described
Locating piece (3) is fixedly connected on the pedestal (1) by pin (4) and screw (5).
7. low-pressure turbine guide vane tool structure according to any one of claim 1 to 4, which is characterized in that described
The quantity of locating piece (3) is at least three.
8. low-pressure turbine guide vane tool structure according to any one of claim 1 to 4, which is characterized in that described
The quantity of positioning pin (6) is at least three.
9. low-pressure turbine guide vane tool structure according to any one of claim 1 to 4, which is characterized in that described
The quantity at least two of hinge hold-down mechanism (24).
10. a kind of adjusting method of low-pressure turbine guide vane, which is characterized in that method includes the following steps:
A, nut (20) is removed, rotary pressure plate (14) from eyelet bolt B(17), opens hinge hold-down mechanism (24)；
B, locking nut (22) are unclamped, rotates closely-pitched stud (21), is allowed to decline；
C, turborotor to be processed is placed on pedestal (1), and make blade each anchor point and each locating piece (3) and
Each positioning pin (6) is in contact；
D, pressing plate (14) are reversely rotated, so that briquetting (15) is compressed blade upper surface, and nut (20) is mounted on eyelet bolt B
(17) upper end, pre-load nut (20)；
E, lever meter (23) are adjusted, so that gauge outfit is in contact with the end face to be processed of blade, by lever meter (23) to zero；
F, closely-pitched stud (21) are rotated, makes to be in contact at the top of closely-pitched stud (21) with blade bottom, is jacked up in closely-pitched stud (21)
In the process, slightly rotating nuts (20) make pressing plate (14) apply pressing force to blade, while the index for observing lever meter (23) becomes
Change, if the index variation of lever meter (23) exceeds ± 0.01mm, reversely rotate closely-pitched stud (21), blade occurs reversed
Micro-deformation continues rotating nuts (20) after the index of lever meter (23) is restored within ± 0.01mm, keeps pressing plate (14) right
Blade apply pressing force, until nut (20) the index variation of lever meter (23) be less than ± 0.01mm in the range of be locked for
Only.
G, it is bonded situation using what 0.03mm clearance gauge checked each anchor point of part and locating piece (3) and positioning pin (6), determines blade
Clamping in place, completes blade clamping；
H, lever meter (23) are removed, the fixture for completing blade clamping is installed in equipment by positioning mechanism (2), to blade into
Row processing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543811.9A CN110315359B (en) | 2019-06-21 | 2019-06-21 | Low-pressure turbine guide blade tool structure and adjusting method |
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| CN201910543811.9A CN110315359B (en) | 2019-06-21 | 2019-06-21 | Low-pressure turbine guide blade tool structure and adjusting method |
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| CN110315359B CN110315359B (en) | 2020-06-23 |
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| CN110640507A (en) * | 2019-11-07 | 2020-01-03 | 河海大学常州校区 | Blade positioning device |
| CN114227462A (en) * | 2021-12-15 | 2022-03-25 | 贵阳航发精密铸造有限公司 | Turbine blade dihedral angle chord width machining device and machining method |
| CN114523254A (en) * | 2022-04-22 | 2022-05-24 | 西安朋邦工贸有限公司 | Positioning fixture and positioning method for welding turbine guide blade |
| CN114682843A (en) * | 2022-04-29 | 2022-07-01 | 丰诺(江苏)环保科技有限公司 | Wind-powered electricity generation blade processingequipment |
| CN114800267A (en) * | 2022-04-19 | 2022-07-29 | 中国航发动力股份有限公司 | Blade clamping device for hydraulic grinding of orifices and using method |
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| CN110640507A (en) * | 2019-11-07 | 2020-01-03 | 河海大学常州校区 | Blade positioning device |
| CN114227462A (en) * | 2021-12-15 | 2022-03-25 | 贵阳航发精密铸造有限公司 | Turbine blade dihedral angle chord width machining device and machining method |
| CN114227462B (en) * | 2021-12-15 | 2024-04-09 | 贵阳航发精密铸造有限公司 | Device and method for machining dihedral angle chord width of turbine blade |
| CN114800267A (en) * | 2022-04-19 | 2022-07-29 | 中国航发动力股份有限公司 | Blade clamping device for hydraulic grinding of orifices and using method |
| CN114523254A (en) * | 2022-04-22 | 2022-05-24 | 西安朋邦工贸有限公司 | Positioning fixture and positioning method for welding turbine guide blade |
| CN114523254B (en) * | 2022-04-22 | 2022-08-23 | 西安朋邦工贸有限公司 | Positioning fixture and positioning method for welding turbine guide blade |
| CN114682843A (en) * | 2022-04-29 | 2022-07-01 | 丰诺(江苏)环保科技有限公司 | Wind-powered electricity generation blade processingequipment |
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| CN110315359B (en) | 2020-06-23 |
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Denomination of invention: Tooling structure and adjustment method of low pressure turbine guide vane Effective date of registration: 20210113 Granted publication date: 20200623 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Peng Bang industry and Trade Co.,Ltd. Registration number: Y2021990000041 |
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Date of cancellation: 20230621 Granted publication date: 20200623 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Xi'an Peng Bang industry and Trade Co.,Ltd. Registration number: Y2021990000041 |
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Denomination of invention: A low-pressure turbine guide blade fixture structure and adjustment method Granted publication date: 20200623 Pledgee: Pudong Development Bank of Shanghai Limited by Share Ltd. Xi'an branch Pledgor: Xi'an Peng Bang industry and Trade Co.,Ltd. Registration number: Y2024980000588 |
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