CN108953130A - A kind of compressor stator blade fan-shaped section Quick Release housing device - Google Patents
A kind of compressor stator blade fan-shaped section Quick Release housing device Download PDFInfo
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- CN108953130A CN108953130A CN201810748670.XA CN201810748670A CN108953130A CN 108953130 A CN108953130 A CN 108953130A CN 201810748670 A CN201810748670 A CN 201810748670A CN 108953130 A CN108953130 A CN 108953130A
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- Prior art keywords
- stator blade
- fan
- shaped section
- axle journal
- stator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of compressor stator blade fan-shaped section Quick Release housing devices, it include: that sector open section and the fan-shaped section casing mounting base around sector open section arrangement are provided on the stator casing, and fan-shaped section casing inner panel compatible with sector open section is provided on the inside of fan-shaped section casing, fan-shaped section casing realizes dismantling connection by bolt with fan-shaped section casing mounting base, and fan-shaped section casing inner panel and the inner wall smooth transition of stator casing when connecting, form complete casing anchor ring;The routine axle journal stator blade and lengthening axle journal stator blade are uniformly distributed along the circumference respectively on the inside of stator casing and fan-shaped section casing, and the two constitutes complete single stator blade.The configuration of the present invention is simple, blade exchanging fast and easy can only replace a limited number of stator blade in fan-shaped section in the case where not opening domain stator casing, convenient for carrying out flow field change case study of the different leaves shape-designing relative to prototype stator, shorten the stator blade Transform Type design period.
Description
Technical field
The present invention relates to compressor bench test part case structure design scheme more particularly to a kind of quick-replaceable stator leaves
The fan-shaped section case structure of piece belongs to the experimental rig designing technique of turbine technical field.
Background technique
Aero-engine needs to carry out a large amount of fundamental test when being developed, and carries out performance survey to multiple groups blade
Amount test, such as become established angle blade, curved plunder moulding blade, non-axisymmetric endwall profiling blade etc..Currently, plane cascade test
In can be with one group of blade of quick-replaceable, but plane cascade test is unable to the Complex Flows under accurate simulation compressor multi-stage environmental
State.Detailed measurements can be carried out on machine frame to the performance of multistage compressor by calming the anger, but be processed and when replacement domain blade
It then needs to take a substantial amount of time, greatly increases the period of test, and then extend the design cycle of compressor.
Calm the anger on machine frame, traditional blade exchanging method be whole compressor is disassembled, and compressor it is at different levels between
Usually there are two types of type of attachment: one is point half casing connected by longitudinally mounted side, when decomposition point half casing and before
The whole for being transversely mounted side of back segment casing is bolted disengagement, and then longitudinally mounted side bolt is disengaged, removes point half casing,
Then certain a row or multi-row rotor/stator blade is replaced, it is finally that the longitudinally connected rear and front and back section casing of point half casing is lateral
Connection;The second is every grade needs that level-one for being intended to replacement stator blade with before by being transversely mounted side connection, when replacing blade
The cross bolts of rear class all disengage, and have replaced after row's rotor/stator blade again with front stage by being transversely mounted side spiral shell
It tethers and connects.Either which kind of connection type is intended to consider the assembly between front stage during disassembly and assembly compressor
Relationship avoids scratching between rotor leaf row and stator leaf row and the front and back stress point of rotor transmission shaft will keep stable.
By outside whole grade casing disassembly and assembling will cause test the preparatory period it is long, replacement full row of the blades will cause the process-cycle
Long, the problems such as experimentation cost is high, thus in compressor bench test, it is necessary to it is ground for Quick universal blading
Study carefully.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of compressor stator blade fan
Shape section Quick Release housing device can only be replaced a limited number of quiet in fan-shaped section in the case where not opening domain stator casing
Blades can carry out compressor remodeling blade flow field survey test, convenient for carrying out different leaves shape-designing relative to prototype
The stator blade Transform Type design period is shortened in the experimental study of the flow field change situation of stator.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of compressor stator blade fan-shaped section Quick Release housing device, including stator casing, fan-shaped section casing, measuring flume are stifled
Lid, lengthens axle journal stator blade at conventional axle journal stator blade;
Wherein, sector open section is provided on the stator casing being laid out in a ring and around sector open section arrangement
Fan-shaped section casing mounting base, and fan-shaped section casing inner panel compatible with sector open section is provided on the inside of fan-shaped section casing;Institute
State fan-shaped section casing and fan-shaped section casing mounting base and dismantling connection realized by bolt, and when connection fan-shaped section casing inner panel with it is quiet
Handset casket inner wall smooth transition forms a complete casing anchor ring;
The routine axle journal stator blade and lengthening axle journal stator blade are uniformly distributed along the circumference respectively in stator casing and sector
On the inside of section casing, the two constitutes complete single stator blade;It is provided with displacement mechanism mounting base on the outside of the fan-shaped section casing,
And the measuring flume of connection fan-shaped section casing inner panel is offered in displacement mechanism mounting base, in the test of stator blade flow field survey,
It is bolted and is mounted on displacement mechanism (being also frame of axes in certain fields) in displacement mechanism mounting base, displacement mechanism band
Dynamic probe passes through measuring flume and is moved on stator blade import and export section coordinate points one by one, probe measure stator blade into and out of
The detailed flow field data in mouth section, measuring flume blanking cover and measuring flume are cooperatively connected when withouyt displacement mechanism, measuring flume blanking cover
Bottom end smoothly transits with fan-shaped section casing inner panel.
In the present invention, it is described lengthen axle journal stator blade axle journal it is bigger than the axle journal length of conventional stator blade, be because
Casing thickness is increased for fan-shaped section casing and its mounting base, the axle journal length of common blade has been unsatisfactory for assembly relation, institute
Axle journal stator blade is lengthened to devise.
Wherein, the blade for lengthening axle journal stator blade can be identical with the blade of conventional stator blade, can also not
Together.When carrying out basic type Compressor test, the blade for lengthening axle journal stator blade is identical as the conventional blade of stator blade, when
When carrying out remodeling stator blade test, the blade for lengthening axle journal stator blade is different from the conventional blade of stator blade.And it fans
Shape section two sides and the adjacent stator blade blade of conventional stator blade can be identical as common blade, can also be with common blade not
Together, depending on testing studied particular content.
Further, the stator casing, locating slot (including sector on same circumference is offered on the outside of fan-shaped section casing
Section casing locating slot, stator casing locating slot), stator mounting hole (including the fan-shaped section machine radially penetrated through is evenly equipped in locating slot
Casket stator mounting hole, stator casing stator mounting hole), and the radial inner end of stator mounting hole is provided with stator location hole;
The radial outer end of the routine axle journal stator blade is successively integrally formed with conventional stator blade positioning ring, routine intravenous
Blades axle journal and conventional stator blade installation axle, radial inner end are connected with conventional stator blade bottom plate;The lengthening axle journal
The radial outer end of stator blade successively integrally formed with lengthen axle journal stator blade positioning ring, lengthen axle journal stator blade axle journal and
Axle journal stator blade installation axle is lengthened, radial inner end, which is connected with, lengthens axle journal stator blade bottom plate;
The routine axle journal stator blade passes through conventional stator blade positioning ring and the cooperation realization of stator location hole is conventional
Axle journal stator blade is radial and circumferentially positioned with stator casing, and it is fixed by lengthening axle journal stator blade to lengthen axle journal stator blade
The cooperation realization lengthening axle journal stator blade of position ring and stator location hole is radial and circumferentially positioned with fan-shaped section casing inner panel;
The routine stator blade axle journal and lengthening axle journal stator blade axle journal are set respectively through the top of stator mounting hole
It is equipped with conventional stator blade positioning surface and lengthens axle journal stator blade positioning surface, conventional stator blade positioning surface and lengthening axle journal are quiet
It is socketed with locating piece compatible with locating slot on the outside of blades positioning surface, it is fixed by locating piece inner wall and conventional stator blade
The cooperation of plane/lengthening axle journal stator blade positioning surface realizes conventional stator blade and lengthens the angular fixed of axle journal stator blade
Position, so it is conventional by the threaded connection realization of nut and conventional stator blade installation axle/lengthening axle journal stator blade installation axle
Stator blade and the fastening installation for lengthening axle journal stator blade;
When conventional stator blade and lengthening axle journal stator blade completes installation and fan-shaped section casing is installed on stator casing
When, all lengthening axle journal stator blade bottom plates and conventional stator blade bottom plate on same circumference are spliced into a complete lubrication groove
Nave collar face.
Further, sector is respectively arranged at the fan-shaped section casing and the locating slot at fan-shaped section casing mounting base both ends
Section casing gap and fan-shaped section casing mounting base gap, and the conventional stator blade axle journal for being installed on fan-shaped section casing opening position changes
The angular positioning of routine stator blade axle journal at this is realized with stator blade bias locating piece compatible with locating slot.
Further, institute's displacement mechanism mounting base be arranged in locating slot two sides on fan-shaped section casing (its short side with calm the anger
Arbor line is installed in parallel), it is realized and displacement mechanism mounting base withouyt measuring flume blanking cover when displacement mechanism by bolt
Installation connection.
Further, the lengthening axle journal stator blade number installed on the fan-shaped section casing is usually no more than on the circumference
The 20% of single stator blade number.
The utility model has the advantages that a kind of compressor stator blade fan-shaped section Quick Release housing device provided by the invention, relative to existing
Technology has the advantage that 1, can be realized on stator blade Quick universal to testing stand and measure its aeroperformance, guarantees fan
The condition for import that shape section stator leaf comes the front and back that changes the outfit is approximately uniform;2, the examination of blade three-dimensional pneumatic performance test is significantly reduced
The period is tested, blade processing number and period are reduced, replacement blade method is more convenient simple, for becoming established angle blade, end
The design of the compressor stator blades such as bent blades, non-axisymmetric endwall profiling blade and three-dimensional flow field have significant meaning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fan-shaped section casing in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of stator blade and its installation attachment in the embodiment of the present invention;
Fig. 3 is the assembling schematic diagram of fan-shaped section casing and lengthening axle journal stator blade in the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of upper fan-shaped section casing mounting base in the embodiment of the present invention;
Fig. 5 is fan-shaped section casing in the embodiment of the present invention and the structural schematic diagram on the inside of stator casing;
Fig. 6 is the assembling schematic diagram of fan-shaped section casing and stator casing in the embodiment of the present invention;
It include: 1, fan-shaped section casing (upper plate), 2, fan-shaped section casing stator mounting hole, 3, fan-shaped section casing threaded hole in figure
(through-hole), 4, fan-shaped section casing locating slot, 5, fan-shaped section casing positioning surface, 6, displacement mechanism mounting base, 7, displacement mechanism installation
Seat threaded hole (blind hole), 8, measuring flume, 9, fan-shaped section casing gap, 10, fan-shaped section casing inner panel, 11, bolt, 12, measuring flume
Blanking cover, 13, lengthening axle journal stator blade (blade), 14, lengthening axle journal stator blade positioning ring, 15, lengthening axle journal stator blade
Positioning surface, 16, lengthening axle journal stator blade installation axle, 17, lengthening axle journal stator blade axle journal, 18, lengthening axle journal stator blade
Bottom plate, 19, conventional stator blade positioning surface, 20, conventional stator blade installation axle, 21, conventional stator blade axle journal, 22, routine
Stator blade positioning ring, 23, conventional axle journal stator blade (blade), 24, conventional stator blade bottom plate, 25, hex nut, 26,
Positioning surface in eccentric locating piece, 27, eccentric locating piece, 28, the outer positioning surface of eccentric locating piece, 29, positioning surface in locating piece, 30,
Locating piece, 31, the outer positioning surface of locating piece, 32, stator casing, 33, stator casing stator mounting hole, 34, stator casing locating slot,
35, stator casing positioning surface, 36, fan-shaped section casing mounting base, 37, fan-shaped section casing mounting base gap, 38, fan-shaped section casing peace
It fills seat threaded hole (blind hole), 39, fan-shaped section casing location hole plane, 40, fan-shaped section casing location hole side, 41, stator casing
Location hole plane, 42, stator casing location hole side.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawings and embodiments.
Embodiment 1:
In order to facilitate understanding, the present embodiment is illustrated by taking equal internal-and external diameters axial flow compressor as an example, but the present invention is not limited to
Equal internal-and external diameters axial flow compressor.
As shown in Figure 1, a kind of compressor stator blade fan-shaped section Quick Release housing device includes fan-shaped section casing 1, measuring flume
Blanking cover 12 lengthens axle journal stator blade 13 and fan-shaped section casing mounting base 36, stator casing 32 and conventional axle journal stator blade 23,
The wherein stator casing of stator casing 32 and conventional domain layout only variant, the conventional axle journal stator blade at sector open section
23 be the stator blade being mounted on the stator casing of conventional domain layout.
As shown in Figure 1,5, the fan-shaped section casing component includes fan-shaped section casing (upper plate) 1, fan-shaped section casing stator peace
Fill hole 2, fan-shaped section casing threaded hole 3, fan-shaped section casing locating slot 4, fan-shaped section casing positioning surface 5, displacement mechanism mounting base 6,
Displacement mechanism mounting base threaded hole 7, measuring flume 8, gap 9, fan-shaped section casing inner panel 10, bolt 11, measuring flume blanking cover 12, sector
Section casing location hole plane 39, fan-shaped section casing location hole side 40.Wherein fan-shaped section casing threaded hole 3 is band internal thread
Through-hole, displacement mechanism mounting base threaded hole 7 are band internal thread blind hole.
Stator import and export section gauge slot 8 is provided in institute's displacement mechanism mounting base 6, in stator blade flow field survey
In test, it is bolted and is mounted on displacement mechanism (being also frame of axes in certain fields) in displacement mechanism mounting base 6, position
Telephone-moving structure drives probe to pass through measuring flume 8 and is moved on stator blade import and export section coordinate points one by one, and probe measures stator
The detailed flow field data in blade import and export section need to install measuring flume blanking cover 12, measuring flume when withouyt displacement mechanism
The bottom end of blanking cover 12 and the inner panel 10 of fan-shaped section casing have just been combined into a complete casing anchor ring.
As shown in Fig. 2, the lengthening axle journal stator blade includes lengthening axle journal stator blade blade 13, lengthening axle journal stator
Blade bottom plate 18, lengthening axle journal stator blade positioning ring 14, lengthening axle journal stator blade axle journal 17, lengthening axle journal stator blade are fixed
Plane 15 and screwed lengthening axle journal stator blade installation axle 16.
Wherein, the axle journal 17 for lengthening axle journal stator blade is bigger than 21 length of axle journal of conventional stator blade, is because of fan
Shape section casing 1 and its mounting base 36 increase casing thickness, and the axle journal length of common blade has been unsatisfactory for assembly relation, so
It devises and lengthens axle journal stator blade.
As shown in figure 3, lengthening axle journal stator blade 13 passes through fan-shaped section casing stator mounting hole 2, the positioning of stator blade
14 top of ring is compressed with fan-shaped section casing location hole plane 39, guarantees the radial positioning of stator blade, the positioning ring of stator blade
14 sides and fan-shaped section casing location hole side 40 compress, and guarantee the circumferentially positioned of stator blade.Positioning surface on stator axle journal
15 form small―gap suture cooperation with the positioning surface 26 on the inside of locating piece, while the positioning surface 28 on the outside of locating piece and fan-shaped section casing are fixed
Small―gap suture cooperation is formed between plane 5, guarantees stator blade along the angular positioning of installation axle 16.It is compressed by hex nut 25
Locating piece 27 and fan-shaped section casing positioning surface 4, and guarantee to lengthen axle journal stator positioning ring 14 and fan-shaped section casing location hole plane
39 compress.It is also to use same mounting means between conventional axle journal stator blade 23 and stator casing 32.
As shown in figure 4, fan-shaped section casing mounting base 36 is welded on domain stator casing 32, here for enlarger
Casing has been intercepted a part of casing comprising fan-shaped section casing mounting base only to open up by the composition details of casket upper mounting seat structure, spy
Show, practical structures are domain structures.Fan-shaped section casing component as shown in Figure 3 by bolt 11, fan-shaped section casing threaded hole 3,
Fan-shaped section casing mounting base threaded hole 38 is fixed together with fan-shaped section mounting base 36, as shown in fig. 6, fan-shaped section casing is interior
Plate 10 and stator casing 32 are combined into complete casing anchor ring, ensure that completely smoothly transitting for compressor passage.
Fan-shaped section casing component is formed as shown in fig. 6, lengthening after axle journal stator blade 13 is assembled to fan-shaped section casing 1, it will
After fan-shaped section casing component is connected to fan-shaped section casing mounting base 36 by bolt 11, the bottom plate (packet of circumferential all stator blades
Include the lengthening axle journal stator blade bottom plate 18 in fan-shaped section and conventional stator blade bottom plate 24) it is combined into a complete lubrication groove nave collar
Face.
Wherein, the adjacent conventional stator blade of the fan-shaped section casing component two sides, in order to when its installation hex nut with
Periphery is not interfered, bespoke design fan-shaped section casing gap 9 and fan-shaped section casing mounting base gap 37, and herein due to sector
The interference of section casing mounting base can not use conventional stator locating piece 30, and use eccentric locating piece 27 instead.
Wherein, the lengthening axle journal stator blade number that fan-shaped section includes is usually no more than the 20% of single stator blade number,
The present embodiment circumferential direction domain includes 84 stators, and fan-shaped section casing includes 8 lengthening axle journal stator blades, accounting 9.52%.
The present embodiment is the test of prototype Profile For Compressor Stator part, wherein lengthening the blade 13 and conventional stator of axle journal stator blade
The blade 23 of blade is identical.
Embodiment 2:
The present embodiment is substantially the same manner as Example 1, the difference is that 8 lengthening axle journal stator blades of the present embodiment
Blade be end bent blades.Fan-shaped section casing component in embodiment 1 is removed from fan-shaped section casing mounting base 36, is then revolved
Hex nut 25 out take out locating piece 30 from top, take out lengthen axle journal stator blade 13 from below, change in the present embodiment
The new curved stator blade of lengthening journal end completes the installation of the fan-shaped section casing component in the present embodiment.Fan-shaped section casing
The connection type of component and stator casing 32 is the same as embodiment 1.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of compressor stator blade fan-shaped section Quick Release housing device, which is characterized in that including stator casing (32), fan-shaped section
Casing (1), conventional axle journal stator blade (23), lengthens axle journal stator blade (13) at measuring flume blanking cover (12);
Wherein, sector open section and the fan-shaped section casing peace around sector open section arrangement are provided on the stator casing (32)
It fills seat (36), and is provided with fan-shaped section casing inner panel (10) compatible with sector open section on the inside of fan-shaped section casing (1);It is described
Fan-shaped section casing (1) and fan-shaped section casing mounting base (36) pass through bolt (11) and realize dismantling connection, and fan-shaped section machine when connection
Casket inner panel (10) and stator casing (32) inner wall smooth transition;
The routine axle journal stator blade (23) and lengthening axle journal stator blade (13) are uniformly distributed along the circumference respectively in stator casing
(32) and on the inside of fan-shaped section casing (1), the two constitutes complete single stator blade;Setting on the outside of the fan-shaped section casing (1)
Have displacement mechanism mounting base (6), and offers the measuring flume of connection fan-shaped section casing inner panel (10) in displacement mechanism mounting base (6)
(8), measuring flume blanking cover (12) and measuring flume (8) are cooperatively connected when withouyt displacement mechanism, measuring flume blanking cover (12) bottom end with
Fan-shaped section casing inner panel (10) smoothly transits.
2. a kind of compressor stator blade fan-shaped section Quick Release housing device according to claim 1, which is characterized in that described
The locating slot on same circumference is offered on the outside of stator casing (32), fan-shaped section casing (1), is evenly equipped with radial perforation in locating slot
Stator mounting hole, and the radial inner end of stator mounting hole is provided with stator location hole;
The radial outer end of the routine axle journal stator blade (23) is connected with conventional stator blade positioning ring (22), routine intravenous in turn
Blades axle journal (21) and conventional stator blade installation axle (20), and radial inner end is connected with conventional stator blade bottom plate (24);
The radial outer end for lengthening axle journal stator blade (13), which is connected in turn, lengthens axle journal stator blade positioning ring (14), extension shaft
Neck stator blade axle journal (17) and lengthening axle journal stator blade installation axle (16), and radial inner end is connected with and lengthens axle journal stator leaf
Piece bottom plate (18);
The routine axle journal stator blade (23) passes through conventional stator blade positioning ring (22) and the cooperation of stator location hole is realized
Conventional axle journal stator blade (23) is radial and circumferentially positioned with stator casing (32), lengthens axle journal stator blade (13) by adding
The cooperation of long axle journal stator blade positioning ring (14) and stator location hole, which is realized, lengthens axle journal stator blade (13) and fan-shaped section machine
Casket inner panel (10) it is radial and circumferentially positioned;
The routine stator blade axle journal (21) and lengthening axle journal stator blade axle journal (17) run through the top part of stator mounting hole
It is not provided with conventional stator blade positioning surface (19) and lengthens axle journal stator blade positioning surface (15), conventional stator blade positioning surface
(19) and on the outside of lengthening axle journal stator blade positioning surface (15) it is socketed with locating piece (30) compatible with locating slot, passes through positioning
Block (30) realizes that conventional axle journal is quiet with conventional stator blade positioning surface (19)/lengthening axle journal stator blade positioning surface (15) cooperation
Blades (23) and the angular positioning for lengthening axle journal stator blade (13), and then pass through nut and conventional stator blade installation axle
(20)/lengthening axle journal stator blade installation axle (16) threaded connection realizes that conventional axle journal stator blade (23) and lengthening axle journal are quiet
The fastening of blades (13) is installed;
When conventional axle journal stator blade (23) and lengthening axle journal stator blade (13) completion installation and fan-shaped section casing (1) is installed on
All lengthening axle journal stator blade bottom plates (18) and conventional stator blade bottom plate when on stator casing (32), on same circumference
(24) it is spliced into a complete inner wheel hub anchor ring.
3. a kind of compressor stator blade fan-shaped section Quick Release housing device according to claim 1, which is characterized in that described
Fan-shaped section casing gap (9) is respectively arranged at fan-shaped section casing (1) and the locating slot at fan-shaped section casing mounting base (36) both ends
With fan-shaped section casing mounting base gap (37), and it is installed on the conventional stator blade axle journal (21) at fan-shaped section casing gap (9)
Use the angular positioning that eccentric locating piece (27) compatible with locating slot realizes routine stator blade axle journal (21) at this instead.
4. a kind of compressor stator blade fan-shaped section Quick Release housing device according to claim 1, which is characterized in that described
Displacement mechanism mounting base (6) is arranged in locating slot two sides on fan-shaped section casing (1), withouyt measuring flume blanking cover when displacement mechanism
(12) it is realized by bolt (11) and is connect with the installation of displacement mechanism mounting base (6).
5. a kind of compressor stator blade fan-shaped section Quick Release housing device according to claim 1, which is characterized in that described
Lengthening axle journal stator blade (13) number installed on fan-shaped section casing (1) is no more than single stator blade number on the circumference
20%.
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CN201810748670.XA CN108953130B (en) | 2018-07-10 | 2018-07-10 | A kind of compressor stator blade fan-shaped section Quick Release housing device |
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CN201810748670.XA CN108953130B (en) | 2018-07-10 | 2018-07-10 | A kind of compressor stator blade fan-shaped section Quick Release housing device |
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CN108953130B CN108953130B (en) | 2019-09-13 |
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CN111288020A (en) * | 2020-02-24 | 2020-06-16 | 中国航发沈阳发动机研究所 | Compressor stator blade linkage structure |
CN113894732A (en) * | 2020-06-22 | 2022-01-07 | 中国航发商用航空发动机有限责任公司 | Decomposition process of fan stator assembly |
CN113898419A (en) * | 2021-10-10 | 2022-01-07 | 中国航发沈阳发动机研究所 | Air inlet casing structure and assembling method thereof |
CN114894063A (en) * | 2022-06-29 | 2022-08-12 | 中国航发动力股份有限公司 | Device and method for detecting blade tip clearance of adjustable flow blade of stator of gas compressor |
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CN114894063B (en) * | 2022-06-29 | 2023-11-21 | 中国航发动力股份有限公司 | Device and method for detecting blade tip clearance of adjustable flow blade of compressor stator |
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