CN110315358A - A kind of low-pressure turbine guide vane clamping mechanism and clamping method - Google Patents
A kind of low-pressure turbine guide vane clamping mechanism and clamping method Download PDFInfo
- Publication number
- CN110315358A CN110315358A CN201910543800.0A CN201910543800A CN110315358A CN 110315358 A CN110315358 A CN 110315358A CN 201910543800 A CN201910543800 A CN 201910543800A CN 110315358 A CN110315358 A CN 110315358A
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- pressure turbine
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- guide vane
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- 230000007246 mechanism Effects 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 17
- 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 96
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 abstract description 4
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 13
- 238000003754 machining Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 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 clamping mechanism and clamping method, including pedestal, the upper surface of the pedestal is equipped with several locating pieces, positioning pin, jacking mechanism, profile-followed hold-down mechanism, the locating piece is installed on the right side and front side of the pedestal, the positioning pin is installed on the left and right side of the pedestal, the jacking mechanism is installed on the left side of the pedestal, the profile-followed hold-down mechanism is installed on the middle part of the pedestal, the profile-followed hold-down mechanism includes compressing pedestal, the compression pedestal is fixedly connected on the upper surface of the pedestal and extends upwards, briquetting is installed above the compression pedestal, through-hole is offered on the briquetting, the upper surface for compressing pedestal offers threaded hole, the briquetting is connected with compression pedestal by hex bolts；Present invention aim to address current low-pressure turbine guide vanes, and man-hour requirement to be added to carry out multiple clamping, time-consuming and laborious, and the problem of can generate Reference Transforming, influence part processing precision.
Description
Technical field
The invention belongs to aeroplane engine wheel guide vane manufacturing fields, and in particular to a kind of low-pressure turbine directing vane is on chip
Clamp mechanism and clamping 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.Low-pressure turbine guide vane generallys use multi-joint structure, common
Structure is 4-6 leaf group, and blade radial span is big, chord length is short, part overall structure length and width, flat.Turborotor blade is adopted
With no surplus essence casting, need to process each installation mating surface of part.
Existing low-pressure turbine guide vane generallys use bridge architecture fixture when processing both ends of the surface, across entire leaf
Piece, fixture clamp an end face of blade, process to another end face, it is to be processed it is good after, then clamp machined end face,
The undressed end face of the other end is processed, this installation way needs to carry out blade clamping twice, behaviour when processing end face
It bothers, it is time-consuming and laborious, increase the workload of blade processing, and Reference Transforming can be generated, influences part processing precision.
Summary of the invention
The present invention provides a kind of low-pressure turbine guide vane clamping mechanism and clamping method, it is therefore an objective to solve current low pressure whirlpool
Wheel guide vane is adding man-hour requirement to carry out multiple clamping, time-consuming and laborious, and can generate Reference Transforming, influences part processing precision
The problem of.
The embodiment of the present invention provides a kind of low-pressure turbine guide vane clamping mechanism and clamping method, including pedestal,
The upper surface of the pedestal is equipped with several locating pieces, positioning pin, jacking mechanism, profile-followed hold-down mechanism, the locating piece installation
In the right side and front side of the pedestal, the positioning pin is installed on the left and right side of the pedestal, the jacking mechanism installation
In the left side of the pedestal, the profile-followed hold-down mechanism is installed on the middle part of the pedestal.
Preferably, the jacking mechanism includes ejector pin, offer hole A on the pedestal, the ejector pin pass through hole A and to
Top extends, and is machined with internal screw thread below the hole A, and internal whorl is connected with plug screw, the plug screw upper surface with it is described
Pressure spring is installed, the upper outer of the ejector pin is set with link block, and the link block is fixedly connected between the bottom of ejector pin
On the pedestal, the hole B of vertical direction is offered on the link block, the hole B is through-hole, and the ejector pin is set in the hole
Inside B, the side of the link block offers the hole C perpendicular with the hole B, and the hole C is communicated with hole B, the hole C
Internal whorl for threaded hole, the hole C is connected with screw C.
Preferably, the profile-followed hold-down mechanism includes compressing pedestal, the compression pedestal is fixedly connected on the pedestal
Upper surface and extend upwards, briquetting is installed above the compression pedestal, through-hole, the pressure are offered on the briquetting
The upper surface of tight pedestal offers threaded hole, and running through between the through-hole and threaded hole has hex bolts, the briquetting and compression bottom
Seat is connected by hex bolts.
Preferably, the lower surface of the briquetting is bonded with gasket, the material of the gasket is polytetrafluoroethylene (PTFE).
Preferably, it is characterized in that, being fixedly connected with positioning mechanism below the pedestal.
Preferably, the locating piece is fixedly connected on the pedestal by pin and screw A.
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 of the jacking mechanism and profile-followed hold-down mechanism difference at least two.
A kind of clamping method of low-pressure turbine guide vane, method includes the following steps:
A, before low-pressure turbine guide vane being installed, ejector pin is depressed, and lock-screw C;
B, low-pressure turbine guide vane is placed on pedestal, and makes each anchor point of blade and each locating piece and each positioning pin phase
Contact, each compression pedestal being mounted on the base are pierced by from the recessing groove opened up on blade；
C, briquetting is placed in and is compressed above pedestal, pre-tighten hex bolts；
D, screw C is unclamped, ejector pin jacks up upwards under the action of pressure spring, with blade contact；
E, lock-screw C;
F, hex bolts is locked；
G, it is bonded situation using what 0.03mm clearance gauge checked each anchor point of blade and locating piece and positioning pin, determines that blade clamping arrives
Blade clamping is completed in position.
Technical solution provided by the present application at least has following technical effect that
1, include in the present invention " upper surface of pedestal is equipped with several locating pieces, positioning pin, jacking mechanism, profile-followed hold-down mechanism,
The profile-followed hold-down mechanism includes compressing pedestal, and the compression pedestal is fixedly connected on the upper surface of the pedestal and prolongs upwards
Stretch, briquetting be installed above the compression pedestal, the briquetting with compress pedestal and be connected by hex bolts " technical side
Case makes to compress recessing groove of the pedestal on blade in profile-followed hold-down mechanism by the way that profile-followed hold-down mechanism is arranged on pedestal
And upwardly extend, when needing clamping blade, briquetting need to be only buckled in and compress above pedestal and compressed with hex bolts, from
And can realize the quick-clamping of blade, and the machining area of blade can be made to be exposed to the greatest extent, only need to once it fill
Folder can process all machined surfaces, reduce labor intensity, while reducing the conversion times of blade processing benchmark,
Enhance the machining accuracy of blade.
It 2, include that " upper surface of pedestal is equipped with several jacking mechanisms, and the jacking mechanism includes ejector pin, institute in the present invention
It states and offers hole A on pedestal, the ejector pin passes through hole A and extends upwards, it is machined with internal screw thread below the hole A, in
Portion is threaded with plug screw, and pressure spring, the top of the ejector pin are equipped between the plug screw upper surface and the bottom of the ejector pin
Outer cover is equipped with link block, and the link block is fixedly connected on the pedestal, offers vertical direction on the link block
Hole B, the hole B are through-hole, and the ejector pin is set in inside the hole B, and the side of the link block offers and the hole B phase
Vertical hole C, the hole C are communicated with hole B, and the hole C is threaded hole, and the internal whorl of the hole C is connected with screw C "
Technical solution, when carrying out clamping to blade, only need to unclamp screw C, ejector pin by the way that jacking mechanism is arranged on pedestal
It is jacked up upwards under the action of pressure spring, is in close contact, then lock-screw C, ejector pin can be fixed with blade bottom, due to
Blade to be processed is blank, has certain trueness error, bottom surface out-of-flatness can make ejector pin using the mode that ejector pin jacks up upwards
Always contacted with blade bottom, to avoid blade since out-of-flatness and bottom supporting mechanism generate gap, caused by position
Unstable problem.
It 3, include " being bonded with gasket in the lower surface of briquetting, the material of the gasket is polytetrafluoroethylene (PTFE) " in the present invention
Technical solution can avoid briquetting and directly contact firmly with blade, to reduce clamping pair by compressing blade using polytetrafluoroethylene (PTFE)
The damage of blade surface is played the role of protecting blade.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is the top 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 A.6. positioning pin, 11. low-pressure turbine directing vanes
Piece, 12. jacking mechanisms, 13. briquettings, 14. gaskets, 15. hex bolts, 16. profile-followed hold-down mechanisms, 17. compress pedestal, 18. spiral shells
Follow closely B, 19. ejector pins, 20. screw C, 21. plug screws, 22. pressure springs, 23. link blocks, 24. screw D, 25. hole A, 26. hole B, 27. hole C.
Specific embodiment
The embodiment of the present invention provides a kind of low-pressure turbine guide vane clamping mechanism and clamping method, it is therefore an objective to solve current
Low-pressure turbine guide vane is adding man-hour requirement to carry out multiple clamping, time-consuming and laborious, and can generate Reference Transforming, influences part and adds
The problem of work precision.
The present invention makes the compression pedestal 17 in profile-followed hold-down mechanism 16 by the way that profile-followed hold-down mechanism 16 is arranged on pedestal 1
Recessing groove on blade simultaneously upwardly extends, and when needing clamping blade, need to only be buckled in briquetting 13 and compress 17 top of pedestal
And compressed with hex bolts 15, so that the quick-clamping of blade can be realized, and the machining area of blade can be made maximum
Degree is exposed, and only needs clamped one time that can process to all machined surfaces, reduces labor intensity, subtracts simultaneously
The conversion times of few blade processing benchmark, enhance the machining accuracy of blade.
The present invention on pedestal 1 by being arranged jacking mechanism 12, when carrying out clamping to blade, only need to unclamp screw C20,
Ejector pin 19 can jack up upwards under the action of pressure spring 22, be in close contact with blade bottom, then lock-screw C20, can be to top
Pin 19 is fixed, and since blade to be processed is blank, there is certain trueness error, bottom surface out-of-flatness is upward using ejector pin 19
The mode of jack-up can be such that ejector pin 19 contacts always with blade bottom, to avoid blade due to out-of-flatness and bottom supporting mechanism
Generate gap, caused by position unstable problem.
The present invention is by bonding the gasket 14 that material is polytetrafluoroethylene (PTFE) in the lower surface of briquetting 13, by utilizing polytetrafluoro
Ethylene compresses blade, can avoid briquetting 13 and directly contacts firmly with blade, to reduce damage of the clamping to blade surface, plays guarantor
Protect the effect of blade.
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 clamping mechanism and clamping method, as shown in Figure 1 and Figure 2,
Mainly include pedestal 1, the pedestal 1 upper surface installation there are three 6, two groups of the positioning pin of locating piece 3, three jacking mechanism 12,
Two groups of profile-followed hold-down mechanisms 16, the locating piece 3 are fixedly connected on the pedestal 1 by pin 4 and screw A5, the positioning
Block 3 and positioning pin 6 are installed on the anchor point position of low-pressure turbine guide vane 11 to be processed, wherein two positioning
Block 3 is installed on the right side of the pedestal 1, and the datum level and two positioning pins 6 placed as low-pressure turbine guide vane 11 are installed
In the right side of the pedestal 1, play the role of positioning datum, a locating piece 3 is installed on the front side of the pedestal 1, for hindering
Low-pressure turbine guide vane 11 is kept off, to prevent low-pressure turbine guide vane 11 from rotating, a positioning pin 6 is installed on the pedestal 1
Left side, for preventing the play to the left of low-pressure turbine guide vane 11, two groups of jacking mechanisms 12 are installed on a left side for the pedestal 1
Side is used to support low-pressure turbine guide vane 11, and two groups of profile-followed hold-down mechanisms 16 are installed on the middle part of the pedestal 1, for pressing from both sides
Tight low-pressure turbine guide vane 11.
Specifically, hole A25 is offered on the pedestal 1 as shown in figure 4, the jacking mechanism 12 includes ejector pin 19, it is described
Ejector pin 19 passes through hole A25 and extends upwards, is machined with internal screw thread below the hole A25, internal whorl is connected with plug screw
21, pressure spring 22 is installed, the ejector pin 19 can be in pressure spring 22 between 21 upper surface of plug screw and the bottom of the ejector pin 19
Under the action of jack up upwards.The upper outer of the ejector pin 19 is set with link block 23, and the link block 23 is solid by screw D24
Surely it is connected on the pedestal 1, the hole B26 of vertical direction is offered on the link block 23, the hole B26 is through-hole, described
Ejector pin 19 is set in inside the hole B26, and can be slided in the hole B26.The side of the link block 23 offer with
The hole B26 perpendicular hole C27, the hole C27 are communicated with hole B26, and the hole C27 is threaded hole, the hole C27's
Internal whorl is connected with screw C20, and the screw C20 can hold out against ejector pin 19, keeps ejector pin 19 fixed.When needing to low pressure whirlpool
When the offer of guide vane 11 bottom support is provided, screw C20 only need to be unclamped, ejector pin 19 can push up upwards under the action of pressure spring 22
Rise, be in close contact with 11 bottom of low-pressure turbine guide vane, ejector pin 19 can be fixed in then lock-screw C20, due to
The low-pressure turbine guide vane 11 of processing is blank, there is certain trueness error, and bottom surface out-of-flatness is jacked up upwards using ejector pin 19
Mode ejector pin 19 can be made to contact always with the bottom of low-pressure turbine guide vane 11, to avoid low-pressure turbine guide vane
11 since out-of-flatness and bottom supporting mechanism generate gap, caused by position unstable problem.
Specifically, the compression pedestal 17 passes through as shown in figure 3, the profile-followed hold-down mechanism 16 includes compressing pedestal 17
Screw B18 is fixedly connected on the upper surface of the pedestal 1.Several recessing grooves are offered on the low-pressure turbine guide vane 11,
The pedestal 17 that compresses can pass through the recessing groove opened up on low-pressure turbine guide vane 11 and extend upwards.The compression bottom
The top of seat 17 is equipped with briquetting 13, and through-hole is offered on the briquetting 13, and the upper surface for compressing pedestal 17 offers spiral shell
Pit, through there is hex bolts 15 between the through-hole and threaded hole, the briquetting 13 and compression pedestal 17 pass through hex bolts 15
It is connected.By locking hex bolts 15, briquetting 13 can be made to clamp low-pressure turbine guide vane 11, make low-pressure turbine directing vane
The machining area of piece 11 is exposed to the greatest extent.The lower surface of the briquetting 13 is bonded with gasket 14, the gasket 14
Material be polytetrafluoroethylene (PTFE), by using polytetrafluoroethylene (PTFE) compress blade, can avoid briquetting 13 directly contacted firmly with blade, from
And reduce damage of the clamping to blade surface, play the role of protecting blade.
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, ejector pin 19 is depressed first, and lock-screw C20 before installing low-pressure turbine guide vane 11.It will
Low-pressure turbine guide vane 11 is placed on pedestal 1, and each anchor point of blade is made to connect with each locating piece 3 and each positioning pin 6
Touching, each compression pedestal 17 being installed on pedestal 1 are pierced by from the recessing groove opened up on blade.Briquetting 13 is placed in and compresses bottom
17 top of seat, pre-tightens hex bolts 15.Screw C20 is unclamped, ejector pin 19 is jacked up upwards under the action of pressure spring 22, connect with blade
Touching.Lock-screw C20 keeps ejector pin 19 fixed.Hex bolts 15 is locked, blade is clamped.Leaf is checked using 0.03mm clearance gauge
Each anchor point of piece and locating piece 3 and positioning pin 6 are bonded situation, determine blade clamping in place, complete blade clamping.It will complete leaf
The fixture of piece clamping is installed in equipment by positioning mechanism 2, is processed to blade.Such installation way can realize blade
Quick-clamping, and the machining area of blade can be made to be exposed to the greatest extent, only need clamped one time can be to all
Machined surface is processed, and is reduced labor intensity, while reducing the conversion times of blade processing benchmark, is enhanced the processing of blade
Precision, such installation way can also be applied and popularized to the low-pressure turbine blade processing of other aero-engines.
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 clamping mechanism, including pedestal (1), which is characterized in that the upper surface of the pedestal (1)
Several locating pieces (3), positioning pin (6), jacking mechanism (12), profile-followed hold-down mechanism (16), locating piece (3) installation are installed
In the right side and front side of the pedestal (1), the positioning pin (6) is installed on the left and right side of the pedestal (1), described to hold out against
Mechanism (12) is installed on the left side of the pedestal (1), and the profile-followed hold-down mechanism (16) is installed on the middle part of the pedestal (1).
2. low-pressure turbine guide vane clamping mechanism according to claim 1, which is characterized in that the jacking mechanism (12)
Including ejector pin (19), hole A(25 is offered on the pedestal (1)), the ejector pin (19) passes through hole A(25) and extend upwards,
The hole A(25) below be machined with internal screw thread, internal whorl is connected with plug screw (21), plug screw (21) upper surface and institute
It states and is equipped between the bottom of ejector pin (19) pressure spring (22), the upper outer of the ejector pin (19) is set with link block (23), institute
State link block (23) to be fixedly connected on the pedestal (1), the hole B(26 of vertical direction offered on the link block (23)),
The hole B(26) it is through-hole, the ejector pin (19) is set in the hole B(26) internal, the side of the link block (23) opens up
Have the hole C(27 perpendicular with the hole B(26)), the hole C(27) communicated with hole B(26), the hole C(27) it is screw thread
Hole, the hole C(27) internal whorl be connected with screw C(20).
3. low-pressure turbine guide vane clamping mechanism according to claim 1, which is characterized in that the profile-followed hold-down mechanism
It (16) include compressing pedestal (17), compression pedestal (17) is fixedly connected on the upper surface of the pedestal (1) and prolongs upwards
It stretches, is equipped with briquetting (13) above the compression pedestal (17), through-hole, the compression pedestal are offered on the briquetting (13)
(17) upper surface offers threaded hole, through having hex bolts (15) between the through-hole and threaded hole, the briquetting (13) and
Pedestal (17) are compressed to be connected by hex bolts (15).
4. low-pressure turbine guide vane clamping mechanism according to claim 2, which is characterized in that under the briquetting (13)
Surface is bonded with gasket (14), and the material of the gasket (14) is polytetrafluoroethylene (PTFE).
5. low-pressure turbine guide vane clamping mechanism 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 clamping mechanism according to any one of claim 1 to 4, which is characterized in that described
Locating piece (3) passes through pin (4) and screw A(5) it is fixedly connected on the pedestal (1).
7. low-pressure turbine guide vane clamping mechanism 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 clamping mechanism 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 clamping mechanism according to any one of claim 1 to 4, which is characterized in that described
The quantity of jacking mechanism (12) and profile-followed hold-down mechanism (16) difference at least two.
10. a kind of clamping method of low-pressure turbine guide vane, which is characterized in that method includes the following steps:
A, before low-pressure turbine guide vane being installed, ejector pin (19) are depressed, and lock-screw C(20);
B, low-pressure turbine guide vane is placed on pedestal (1), and makes each anchor point and each locating piece (3) He Geding of blade
Position pin (6) is in contact, and each compression pedestal (17) being installed on pedestal (1) is pierced by from the recessing groove opened up on blade；
C, briquetting (13) is placed in and is compressed above pedestal (17), pre-tightened hex bolts (15)；
D, screw C(20 is unclamped), ejector pin (19) jacks up upwards under the action of pressure spring (22), with blade contact；
E, lock-screw C(20);
F, hex bolts (15) are locked；
G, it is bonded situation using what 0.03mm clearance gauge checked each anchor point of blade and locating piece (3) and positioning pin (6), determines blade
Clamping in place, completes blade clamping.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910543800.0A CN110315358B (en) | 2019-06-21 | 2019-06-21 | Low-pressure turbine guide blade clamping mechanism and clamping method |
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| CN201910543800.0A CN110315358B (en) | 2019-06-21 | 2019-06-21 | Low-pressure turbine guide blade clamping mechanism and clamping method |
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| CN112355948A (en) * | 2020-10-29 | 2021-02-12 | 中国航发南方工业有限公司 | Guide vane equipment protection anchor clamps |
| CN113910104A (en) * | 2021-09-29 | 2022-01-11 | 中国航发动力股份有限公司 | Throat equivalent adjusting device in turbine guide vane processing |
| CN114227536A (en) * | 2021-12-30 | 2022-03-25 | 无锡透平叶片有限公司 | Grinding fixture suitable for turbine multi-connected guide vane part assembly |
| CN114274058A (en) * | 2021-12-31 | 2022-04-05 | 无锡透平叶片有限公司 | Adjustable universal shot blasting clamp for multi-model turbine blades |
| CN114800161A (en) * | 2022-06-13 | 2022-07-29 | 西安朋邦工贸有限公司 | Clamping fixture and clamping method for machining tenon of turbine working blade |
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| CN112355948A (en) * | 2020-10-29 | 2021-02-12 | 中国航发南方工业有限公司 | Guide vane equipment protection anchor clamps |
| CN112355948B (en) * | 2020-10-29 | 2022-08-26 | 中国航发南方工业有限公司 | Guide vane equipment protection anchor clamps |
| CN113910104A (en) * | 2021-09-29 | 2022-01-11 | 中国航发动力股份有限公司 | Throat equivalent adjusting device in turbine guide vane processing |
| CN114227536A (en) * | 2021-12-30 | 2022-03-25 | 无锡透平叶片有限公司 | Grinding fixture suitable for turbine multi-connected guide vane part assembly |
| CN114274058A (en) * | 2021-12-31 | 2022-04-05 | 无锡透平叶片有限公司 | Adjustable universal shot blasting clamp for multi-model turbine blades |
| CN114800161A (en) * | 2022-06-13 | 2022-07-29 | 西安朋邦工贸有限公司 | Clamping fixture and clamping method for machining tenon of turbine working blade |
| CN114800161B (en) * | 2022-06-13 | 2023-08-15 | 西安朋邦工贸有限公司 | Clamping fixture and clamping method for machining tenon of turbine working blade |
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Denomination of invention: Low pressure turbine guide vane clamping mechanism and clamping method Effective date of registration: 20211210 Granted publication date: 20200623 Pledgee: Xixian New District Financing Guarantee Co.,Ltd. Pledgor: Xi'an Peng Bang industry and Trade Co.,Ltd. Registration number: Y2021610000409 |
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Date of cancellation: 20230110 Granted publication date: 20200623 Pledgee: Xixian New District Financing Guarantee Co.,Ltd. Pledgor: Xi'an Peng Bang industry and Trade Co.,Ltd. Registration number: Y2021610000409 |
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Denomination of invention: A clamping mechanism and clamping method for low-pressure turbine guide blades 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 |