CN102825565B - Tail breaking fixture for reducing throat area of turbine guide device and tail breaking tool with same - Google Patents
Tail breaking fixture for reducing throat area of turbine guide device and tail breaking tool with same Download PDFInfo
- Publication number
- CN102825565B CN102825565B CN201210322054.0A CN201210322054A CN102825565B CN 102825565 B CN102825565 B CN 102825565B CN 201210322054 A CN201210322054 A CN 201210322054A CN 102825565 B CN102825565 B CN 102825565B
- Authority
- CN
- China
- Prior art keywords
- blade
- positioner
- leaf basin
- blade back
- pressing device
- 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.)
- Active
Links
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
- Control Of Turbines (AREA)
Abstract
The invention provides a tail breaking fixture for reducing the throat area of a turbine guide device and a tail breaking tool with the same. The tail breaking fixture for reducing the throat area of the turbine guide device comprises a blade basin position clamping device and a blade back pushing and pressing device, wherein the blade back pushing and pressing device is opposite to the blade basin position clamping device, and a blade trough for clamping a turbine guide device blade is formed between the blade basin position clamping device and the blade back pushing and pressing device. According to the tail breaking fixture for reducing the throat area of the turbine guide device and the tail breaking tool with the same, which are disclosed by the invention, the blade basin position clamping device and the blade back pushing and pressing device are arranged. When the turbine guide device blade is arranged in the blade trough between the blade basin position clamping device and the blade back pushing and pressing device, the blade basin of the turbine guide device blade is positioned by the blade basin position clamping device, the blade back pushing and pressing device is acted on the blade back so as to enable the tail edge of the blade to be evenly stressed in a regulation process, and the problems of stress concentration and residual stress generation due to uneven deformation caused by uneven stressing are avoided.
Description
Technical field
The present invention relates to engine assembly and debugging acid field, in particular to a kind of turn down throat area of turbine guide device break tail fixture and there is it break tail instrument.
Background technology
Because each parts of engine exist manufacture deviation in process of production, after assembling complete machine, its performance cannot reach designing requirement, engine performance debugging need be carried out, and effective method is adjustment throat area of turbine guide device the most, at present general adopt the mode at place of polishing turbine nozzle vane throat, turbine nozzle vane grouping mode or break tail method.Breaking tail method adjustment throat area of turbine guide device is generally by applied external force, blade trailing edge deformed thus change the throat opening area of nozzle ring.Because the method can not destroy nozzle ring surface oxidation-resistant, etch resistant layer when adjusting throat area of turbine guide device, simple to operate, nozzle ring area can be opened large within the specific limits or turn down, applying wider.In prior art, the common clamp of general employing make blade trailing edge be out of shape, and blade trailing edge deflection cannot accurately be measured when adopting common clamp, workman can only be leaned on sensation and experience, efficiency is lower, and adjust inaccurate easily occur blade trailing edge distortion excessively thus occur blade repeated adjustment problem, repeatedly adjust blade and will affect the life-span of nozzle ring, even may occur blade cracks and cause part rejection.And adopt common clamp when turning down throat area of turbine guide device, easily there is stress concentration phenomenon after adjustment and produce residual stress in the distortion of blade trailing edge and stressedly all there is uneven problem.
Summary of the invention
The present invention aim to provide a kind of can make uniform force in blade trailing edge adjustment process turn down throat area of turbine guide device break tail fixture and there is it break tail instrument, to solve common clamp discontinuity and cause being out of shape uneven problem in the process turning down throat area of turbine guide device.
The invention provides a kind of turn down throat area of turbine guide device break tail fixture, the blade back pressing device comprising leaf basin positioner and be oppositely arranged with leaf basin positioner, forms the blade draw-in groove of clip turbine nozzle vane between leaf basin positioner and blade back pressing device.
Further, leaf basin positioner has the leaf basin trailing edge that withstands turbine nozzle vane near inner flow passage side first flange and second flange of leaf basin trailing edge near outer flow passage side withstanding turbine nozzle vane; Blade back pressing device acts on the blade back trailing edge of turbine nozzle vane.
Further, the chord length of turbine nozzle vane is L, and the degree of depth of blade draw-in groove is L1, wherein, and 0.25L≤L1≤0.38L.
Further, the width of blade back pressing device is less than the width of leaf basin positioner.
Further, leaf basin positioner and blade back pressing device have fillet near the edge of the open side of blade draw-in groove.
Further, leaf basin positioner near the bus of the first end face of blade back pressing device and the leaf basin trailing edge molded line of turbine nozzle vane consistent.
Further, blade back pressing device near the bus of the second end face of leaf basin positioner and the blade back trailing edge molded line of turbine nozzle vane consistent.
Present invention also offers one and break tail instrument, comprise fixed muffle, the first end of fixed muffle be provided with aforesaid turn down throat area of turbine guide device break tail fixture; The leaf basin positioner breaking tail fixture turning down throat area of turbine guide device is fixedly installed on the first end of fixed muffle, and blade back pressing device relative leaf basin positioner is arranged on fixed muffle movably; Second end of fixed muffle is provided with the rotary mechanism driving blade back pressing device relative to the movement of leaf basin positioner.
Further, fixed muffle is provided with guide rail, blade back pressing device is arranged in guide rail.
Further, fixed muffle is also provided with measures and show the digital displacement measurement mechanism of blade back pressing device relative leaf basin positioner amount of movement.
According to of the present invention turn down throat area of turbine guide device break tail fixture and there is it break tail instrument, by arranging leaf basin positioner and blade back pressing device, when in the blade draw-in groove that turbine nozzle vane is placed on therebetween, leaf basin positioner is located the leaf basin of turbine nozzle vane, blade back pressing device acts on blade back, thus make uniform force in blade trailing edge adjustment process, effectively prevent unbalance stress and cause distortion uneven, occurring that stress is concentrated and produces the problem of residual stress.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the side-looking structural representation breaking tail fixture opening large throat area of turbine guide device of the present invention;
Fig. 2 is according to the main TV structure schematic diagram breaking tail fixture opening large throat area of turbine guide device of the present invention;
Fig. 3 is the cross-sectional schematic of the A-A in Fig. 2;
Fig. 4 is according to turbine nozzle vane structural representation of the present invention; And
Fig. 5 is according to the structural representation breaking tail instrument of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 1 to 3, according to of the present invention a kind of turn down throat area of turbine guide device break tail fixture, the blade back pressing device 22 comprising leaf basin positioner 21 and be oppositely arranged with leaf basin positioner 21, forms the blade draw-in groove 23 of clip turbine nozzle vane 50 between leaf basin positioner 21 and blade back pressing device 22.By arranging leaf basin positioner 21 and blade back pressing device 22, when in the blade draw-in groove 23 that turbine nozzle vane 50 is placed on therebetween, the leaf basin location of leaf basin positioner 21 pairs of turbine nozzle vanes 50, blade back pressing device 22 acts on blade back, thus make uniform force in blade trailing edge adjustment process, effectively prevent unbalance stress and cause distortion uneven, occurring that stress is concentrated and produces the problem of residual stress.
As shown in Figures 2 to 4, leaf basin positioner 21 has the leaf basin trailing edge 52 that withstands turbine nozzle vane 50 near inner flow passage side first flange 21a and the second flange 21b of leaf basin trailing edge 52 near outer flow passage side withstanding turbine nozzle vane 50; Blade back pressing device 22 acts on the blade back trailing edge 51 of turbine nozzle vane 50.Flow passage side inside and outside the leaf basin trailing edge 52 withstanding turbine nozzle vane 50 by arranging the first flange 21a and the second flange respectively, thus the middle part of blade is maked somebody a mere figurehead, when blade back pressing device 22 acts on the blade back place of the built on stilts part in middle part, blade just can be made to the Direction distortion turning down throat area of turbine guide device, thus turn down throat area of turbine guide device.
As shown in Figure 3, in order to time turn down in the process of throat area of turbine guide device, blade along the uniform force in its molded line direction, leaf basin positioner 21 near the first end face 21c of blade back pressing device 22 and the leaf basin trailing edge molded line of turbine nozzle vane 50 consistent.Blade back pressing device 22 near the second end face 22a of leaf basin positioner 21 and the blade back trailing edge molded line of turbine nozzle vane 50 consistent.Namely to act on the bus of the end face on leaf basin consistent with the molded line of leaf basin for leaf basin positioner 21, the bus that blade back pressing device 22 acts on the end face on blade back is consistent with the molded line of blade back, thus make the first flange 21a and the second flange 21b reliable action flow passage side inside and outside leaf basin, blade back pressing device 22 reliable action is by the blade back of built on stilts part, make the various piece of blade all be subject to the power effect of formed objects, thus make the various piece homogeneous deformation of blade.The width of leaf basin positioner 21 is less than the width of blade passage, the width d of blade back pressing device 22 is less than the width D of leaf basin positioner 21, thus ensure that blade back pressing device 22 can only act on blade by the built on stilts part of leaf basin positioner 21, thus make deformable blade.
Preferably, the edge being arranged in the open side of blade draw-in groove 23 in order to anti-uppermost leaf basin positioner 21 and blade back pressing device 22 scratches the surface of turbine nozzle vane 50 in the process turning down guider throat opening area, above-mentioned two edges are made to have fillet, namely to two edges rounding process.
Preferably, as shown in Figure 3 and Figure 4, the chord length of turbine nozzle vane 50 is L, and the degree of depth of blade draw-in groove 23 is L1, wherein, and 0.25L≤L1≤0.38L.More preferably, the degree of depth L1 of blade draw-in groove 23 is about 1/3rd of turbine nozzle vane 50 chord length L, can effectively make stator blade be out of shape like this, thus turn down throat area of turbine guide device.
As shown in Figure 5, present invention also offers a kind and break tail instrument, comprise fixed muffle 10, the first end of fixed muffle 10 be provided with aforesaid turn down throat area of turbine guide device break tail fixture 20, the leaf basin positioner 21 breaking tail fixture 20 turning down throat area of turbine guide device is fixedly installed on the first end of fixed muffle 10, and blade back pressing device 22 relatively leaf basin positioner 21 is arranged on fixed muffle 10 movably; Second end of fixed muffle 10 is provided with the rotary mechanism 30 driving blade back pressing device 22 relative to the movement of leaf basin positioner 21.When turbine nozzle vane 50 is placed in blade draw-in groove 23, rotate rotary mechanism 30, the relative leaf basin positioner 21 of blade back pressing device 22 just can be driven to move, blade back pressing device 22 produces pushing force and acts on turbine nozzle vane 50 blade back trailing edge place, make turbine nozzle vane 50 trailing edge, to the direction that throat opening area turns down, deformation occur, thus reach the object turning down throat area of turbine guide device.
Fixed muffle 10 is provided with guide rail, and blade back pressing device 22 is arranged in guide rail.Thus the free degree in other directions of restriction blade back pressing device 22, make blade back pressing device 22 can only leaf basin positioner 21 translation relatively, and guide rail is set, the relative fixed muffle 10 of blade back pressing device 22 can be made to move more flexible.
Preferably, as shown in Figure 5, fixed muffle 10 is also provided with measures and show the digital displacement measurement mechanism 40 of the relative amount of movement of leaf basin positioner 21 of blade back pressing device 22.Thus when breaking tail operation, can accurately control stator blade trailing edge deflection according to breaking tail clamp amount, prevent deformable transition and need the problem that repeatedly adjusts.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
According to of the present invention turn down throat area of turbine guide device break tail fixture and there is it break tail instrument, by arranging leaf basin positioner and blade back pressing device, when in the blade draw-in groove that turbine nozzle vane is placed on therebetween, leaf basin positioner is located the leaf basin of turbine nozzle vane, blade back pressing device acts on blade back, thus make uniform force in blade trailing edge adjustment process, effectively prevent unbalance stress and cause distortion uneven, occurring that stress is concentrated and produces the problem of residual stress.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. what turn down throat area of turbine guide device breaks a tail fixture, it is characterized in that,
The blade back pressing device (22) comprising leaf basin positioner (21) and be oppositely arranged with described leaf basin positioner (21), forms the blade draw-in groove (23) of clip turbine nozzle vane (50) between described leaf basin positioner (21) and described blade back pressing device (22);
Described leaf basin positioner (21) has first flange (21a) of the close inner flow passage side of the leaf basin trailing edge (52) withstanding described turbine nozzle vane (50) and withstands second flange (21b) of leaf basin trailing edge (52) near outer flow passage side of described turbine nozzle vane (50);
Described blade back pressing device (22) acts on the blade back trailing edge (51) of described turbine nozzle vane (50).
2. according to claim 1 turn down throat area of turbine guide device break tail fixture, it is characterized in that,
The chord length of described turbine nozzle vane (50) is L, and the degree of depth of described blade draw-in groove (23) is L1, wherein, and 0.25L≤L1≤0.38L.
3. according to claim 1 turn down throat area of turbine guide device break tail fixture, it is characterized in that,
The width (d) of described blade back pressing device (22) is less than the width (D) of described leaf basin positioner (21).
4. according to claim 1 turn down throat area of turbine guide device break tail fixture, it is characterized in that,
Described leaf basin positioner (21) and described blade back pressing device (22) have fillet (c) near the edge of the open side of described blade draw-in groove (23).
5. according to claim 1 turn down throat area of turbine guide device break tail fixture, it is characterized in that,
Described leaf basin positioner (21) is consistent with the leaf basin trailing edge molded line of described turbine nozzle vane (50) near the bus of first end face (21c) of described blade back pressing device (22).
6. according to claim 1 turn down throat area of turbine guide device break tail fixture, it is characterized in that,
Described blade back pressing device (22) is consistent with the blade back trailing edge molded line of turbine nozzle vane (50) near the bus of second end face (22a) of described leaf basin positioner (21).
7. break a tail instrument, it is characterized in that,
Comprise fixed muffle (10), the first end of described fixed muffle (10) be provided with according to any one of claim 1 to 6 turn down throat area of turbine guide device break tail fixture (20);
The described leaf basin positioner (21) breaking tail fixture (20) turning down throat area of turbine guide device is fixedly installed on the first end of described fixed muffle (10), and described blade back pressing device (22) relatively described leaf basin positioner (21) is arranged on described fixed muffle (10) movably;
Second end of described fixed muffle (10) is provided with the rotary mechanism (30) driving described blade back pressing device (22) relative to the movement of described leaf basin positioner (21).
8. according to claim 7ly break tail instrument, it is characterized in that,
(10) are provided with guide rail to described fixed muffle, and described blade back pressing device (22) is arranged in described guide rail.
9. according to claim 7ly break tail instrument, it is characterized in that,
Described fixed muffle (10) is also provided with and measures and show the digital displacement measurement mechanism (40) of described blade back pressing device (22) relatively described leaf basin positioner (21) amount of movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210322054.0A CN102825565B (en) | 2012-09-03 | 2012-09-03 | Tail breaking fixture for reducing throat area of turbine guide device and tail breaking tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210322054.0A CN102825565B (en) | 2012-09-03 | 2012-09-03 | Tail breaking fixture for reducing throat area of turbine guide device and tail breaking tool with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102825565A CN102825565A (en) | 2012-12-19 |
| CN102825565B true CN102825565B (en) | 2014-12-24 |
Family
ID=47328983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210322054.0A Active CN102825565B (en) | 2012-09-03 | 2012-09-03 | Tail breaking fixture for reducing throat area of turbine guide device and tail breaking tool with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102825565B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856024B (en) * | 2016-01-26 | 2018-02-02 | 北京航空航天大学 | A kind of high-precision nozzle ring throat polishing platform and polishing process |
| CN109129250B (en) * | 2018-10-18 | 2020-05-19 | 北京动力机械研究所 | Turbine engine director circulation capacity adjusts frock |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2166070A (en) * | 1984-10-27 | 1986-04-30 | Hauni Werke Koerber & Co Kg | Cast fixture for composite workpieces and method and apparatus for making and breaking up the fixture |
| GB9312180D0 (en) * | 1993-06-12 | 1993-07-28 | Rolls Royce Plc | A mechanical hand |
| CA2131850A1 (en) * | 1993-09-16 | 1995-03-17 | Jean-Philippe Arnau | Device for clamping a part to be worked and application to the machining of a turbine engine blade by electrochemistry |
| US6267364B1 (en) * | 1999-07-19 | 2001-07-31 | Xuesong Zhang | Magnetorheological fluids workpiece holding apparatus and method |
| CN201361839Y (en) * | 2009-03-17 | 2009-12-16 | 梁伟 | Quick adjusting wrench |
| CN102357813A (en) * | 2011-09-09 | 2012-02-22 | 山东大学 | Fixture for processing and detecting blade of aircraft engine |
-
2012
- 2012-09-03 CN CN201210322054.0A patent/CN102825565B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2166070A (en) * | 1984-10-27 | 1986-04-30 | Hauni Werke Koerber & Co Kg | Cast fixture for composite workpieces and method and apparatus for making and breaking up the fixture |
| GB9312180D0 (en) * | 1993-06-12 | 1993-07-28 | Rolls Royce Plc | A mechanical hand |
| CA2131850A1 (en) * | 1993-09-16 | 1995-03-17 | Jean-Philippe Arnau | Device for clamping a part to be worked and application to the machining of a turbine engine blade by electrochemistry |
| US6267364B1 (en) * | 1999-07-19 | 2001-07-31 | Xuesong Zhang | Magnetorheological fluids workpiece holding apparatus and method |
| CN201361839Y (en) * | 2009-03-17 | 2009-12-16 | 梁伟 | Quick adjusting wrench |
| CN102357813A (en) * | 2011-09-09 | 2012-02-22 | 山东大学 | Fixture for processing and detecting blade of aircraft engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102825565A (en) | 2012-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202176548U (en) | Intermediate blade of air compressor used for high power gas turbine | |
| DK201370046A (en) | Wind turbine rotor blade assembly with root extension panel and method of assembly | |
| CA2918917C (en) | Vortex generator for a rotor blade | |
| US11125463B2 (en) | Air sweeping blade, air sweeping mechanism and air conditioner | |
| WO2011064553A3 (en) | An aerodynamic fairing for a wind turbine and a method of connecting adjacent parts of such a fairing | |
| CN102825565B (en) | Tail breaking fixture for reducing throat area of turbine guide device and tail breaking tool with same | |
| ATE483910T1 (en) | METHOD FOR OPERATING A WIND TURBINE WITH ANGLE CONTROL | |
| CN103852238B (en) | Test chamber aerofoil profile rapid installation device | |
| CN102825445B (en) | Tail breaking tool of turbine guider | |
| CN102825564B (en) | Tail breaking clamp for increasing large throat area of turbine guide vane and tail breaking tool with tail breaking clamp | |
| JP2018178965A (en) | Guide vane device of water turbine and water turbine comprising guide vane device | |
| CN202846103U (en) | Turbine guider tail breaking tool | |
| WO2010125599A3 (en) | Rotor blade with aerodynamic flow static diverter for vertical axis wind turbine | |
| FI3704374T3 (en) | Swirling element and method for producing a swirling element | |
| WO2008088921A3 (en) | Vertical windmills and methods of operating the same | |
| CN205013374U (en) | Silence structure of fan blade | |
| CN204227653U (en) | Sweep air blade and sweep wind mechanism, air-conditioner | |
| CN204572555U (en) | A kind of stator blade of reserved inter-stage test hole | |
| CN103438022A (en) | Centrifugal pump with greatly distorted blades | |
| JP4924170B2 (en) | Hydraulic machine stay vanes | |
| CN204262108U (en) | A kind of device for bending square tube | |
| CN101984253A (en) | Spine line blade lift wind rotor of vertical shaft wind engine | |
| KR20110045875A (en) | Electrode guider for making the cooling hole in leading edge of gas turbine blade | |
| CN203962467U (en) | Blade tip alula of gas-pressing automotive leaf and aero-engine compressor | |
| CN208450400U (en) | Lacing wire bending tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |