CN106089810A - A kind of stator blade setting angle adjusting apparatus - Google Patents
A kind of stator blade setting angle adjusting apparatus Download PDFInfo
- Publication number
- CN106089810A CN106089810A CN201610446144.9A CN201610446144A CN106089810A CN 106089810 A CN106089810 A CN 106089810A CN 201610446144 A CN201610446144 A CN 201610446144A CN 106089810 A CN106089810 A CN 106089810A
- Authority
- CN
- China
- Prior art keywords
- stator blade
- stator
- casing
- adjusting apparatus
- angle adjusting
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities
- F05D2270/101—Compressor surge or stall
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of stator blade setting angle adjusting apparatus, relate to compressor technical field.Described stator blade setting angle adjusting apparatus comprises stator casing (3), segmentation casing (7), stator blade (1), rocking arm (4) and linkage ring (5), and described stator casing (3) is fixing with described segmentation casing (7) to be connected；One end of described stator blade (1) is provided with the first axle journal, and described stator blade (1) is arranged on described stator casing (3) by described first axle journal；Described rocking arm (4) one end is connected with the first axle journal of described stator blade (1), and the other end is connected with described linkage ring (5)；Described linkage ring (5) drives described stator blade (1) to rotate by described rocking arm (4).The beneficial effects of the present invention is: stator blade angle can be adjusted by stator blade setting angle adjusting apparatus by linkage ring, controls to flow through the air mass flow that compressor is at different levels, it is ensured that compressor steady operation.
Description
Technical field
The present invention relates to compressor technical field, be specifically related to a kind of stator blade setting angle adjusting apparatus.
Background technology
Compressor surge be multi stage axial flow compressor all the time will faced by problem, i.e. electromotor off design point work
Time, before compressor, the negotiability of booster stage and booster stage below is not mated, and breathes heavily after breathing heavily rear whirlpool or front whirlpool before generation.In order to protect
Card compressor steady operation, needs conservative control to flow through the air mass flow that compressor is at different levels, generally uses compressor inlet transducible
Stream blade assembling structure.
Summary of the invention
It is an object of the invention to provide a kind of stator blade setting angle adjusting apparatus, by regulation stator blade angle,
Conservative control flows through the air mass flow that compressor is at different levels, it is ensured that compressor steady operation, to solve or at least to alleviate background technology
In the presence of the problem at least one place.
The technical solution used in the present invention is: provide a kind of stator blade setting angle adjusting apparatus, comprise stator casing,
Segmentation casing, described stator casing and described segmentation casing are fixed and are connected, it is characterised in that: also comprise stator blade, rocking arm and
Linkage ring；One end of described stator blade is provided with the first axle journal, and described stator blade is arranged on institute by described first axle journal
State on stator casing；Described one end is connected with the first axle journal of described stator blade, and the other end is connected with described linkage ring；
Described linkage ring drives described stator blade to rotate by described rocking arm.
Preferably, the first axle journal of described stator blade comprises light shaft part and thread segment, described smooth shaft part and described screw thread
The changeover portion of section forms the shaft shoulder, and described smooth shaft part coordinates with the installing hole on described stator casing, and described rocking arm is set in described
On thread segment, and axially it is pressed at the described shaft shoulder by nut.
Preferably, profile section, described rocking arm and described stator leaf it are additionally provided with between described smooth shaft part and described thread segment
The end that connects of sheet is provided with the profile hole coordinated with described profile section.
Preferably, described profile section comprises two parallel planes, and one end that described rocking arm is connected with described profile section sets
Being equipped with the elongated hole with two parallel surfaces, described elongated hole coordinates with described profile section, is used for rotating stator blade；Described rocking arm and institute
State linkage ring to be connected by alignment pin.
Preferably, described stator blade setting angle adjusting apparatus also comprises stator internal ring, and described stator internal ring is with described
Segmentation casing is fixing to be connected, and described stator internal ring is provided with hole, location；Described stator blade is relative with described first axle journal
The other end is provided with the second axle journal, and described second axle journal is arranged in the hole, location on described stator internal ring.
Preferably, described stator casing and stator internal ring all use monolithic construction.
Preferably, the leaf two ends of described stator blade are provided with in positioning boss, described stator casing and described stator
Being provided with boss hole on ring, described positioning boss is arranged in described boss hole.
The beneficial effects of the present invention is:
Stator blade angle can be adjusted by the stator blade setting angle adjusting apparatus of the present invention by linkage ring,
Control to flow through the air mass flow that compressor is at different levels, it is ensured that compressor steady operation.
Rocking arm uses profile to connect with the connection end of stator blade, and the angle adjusting stator blade is relatively reliable；Rocking arm with
The connection end of linkage ring uses alignment pin to connect, and positioning precision is high, it is possible to adjust while realizing multiple stator blade angle, and
And ensure that the regulation angle of each stator blade is consistent.
One end of stator blade is positioned by stator casing, and the other end is positioned by stator internal ring, installs reliable and stable.
The two ends of stator blade are provided with positioning boss, and stator casing and stator internal ring are correspondingly arranged on boss hole, quiet
The leaf two ends of blades are pressed close to described stator casing and stator internal ring, can improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the stator blade setting angle adjusting apparatus of one embodiment of the invention.
Fig. 2 be shown in Fig. 1 stator blade setting angle adjusting apparatus in the front view of stator blade.
Fig. 3 is the top view of the stator blade shown in Fig. 2.
Fig. 4 is the upward view of the stator blade shown in Fig. 2.
Fig. 5 is the schematic diagram of rocking arm in the stator blade setting angle adjusting apparatus shown in Fig. 1.
Fig. 6 is the top view of the rocking arm shown in Fig. 5.
Wherein, 1-stator blade, 2-stator internal ring, 3-stator casing, 4-rocking arm, 5-links ring, and 7-separates casing, 11-
Light shaft part, 12-thread segment, 13-profile section.
Detailed description of the invention
Clearer for the purpose making the present invention implement, technical scheme and advantage, below in conjunction with in the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, the most identical or class
As label represent same or similar element or there is the element of same or like function.Described embodiment is the present invention
A part of embodiment rather than whole embodiments.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to use
In explaining the present invention, and it is not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the scope of protection of the invention.Under
Face combines accompanying drawing and is described in detail embodiments of the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of and describe the present invention and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that protect the present invention
The restriction of scope.
As shown in Figures 1 to 6, a kind of stator blade setting angle adjusting apparatus, comprise stator casing 3, segmentation casing 7,
Stator casing 3 is fixing with segmentation casing 7 to be connected.Stator blade setting angle adjusting apparatus also comprise stator blade 1, Rocker arm 4 and
Linkage ring 5.
One end of stator blade 1 is provided with the first axle journal, and stator blade 1 is arranged on stator casing 3 by the first axle journal；
In the present embodiment, stator casing 1 uses monolithic construction.It is understood that stator casing 1 can also use split type knot
Structure.
Rocker arm 4 one end is connected with the first axle journal of stator blade 1, and the other end is connected with linkage ring 5.
Linkage ring 5 drives stator blade 1 to rotate by Rocker arm 4.
The angle of stator blade 1 can be carried out by the stator blade setting angle adjusting apparatus of the present invention by linkage ring 5
Regulation, controls to flow through the air mass flow that compressor is at different levels, it is ensured that compressor steady operation.
In the present embodiment, the first axle journal of stator blade 1 comprises light shaft part 11 and thread segment 12, light shaft part 11 and screw thread
The changeover portion of section 12 forms the shaft shoulder, and light shaft part 11 coordinates with the installing hole on stator casing 3, and Rocker arm 4 is set on thread segment 12,
And be axially pressed at the shaft shoulder by nut.Rocker arm 4 is connected with stator blade 1 by the thrust of nut, and linkage ring 5 is by shaking
Arm 4 drives stator blade 1 to rotate, it is achieved the adjustment of the setting angle of stator blade 1.
In this city embodiment, between light shaft part 11 and thread segment 12, it is additionally provided with profile section 13, Rocker arm 4 and stator blade
The end that connects of 1 is provided with the profile hole coordinated with profile section 13.
As shown in Figure 6, in the present embodiment, profile section 13 comprises two parallel planes, and Rocker arm 4 is connected with profile section 13
One end be provided with the elongated hole with two parallel surfaces, described elongated hole coordinates with profile section 13, is used for rotating stator blade 1；Rocker arm 4
It is connected by alignment pin with linkage ring 5.
Rocker arm 4 uses profile to connect with the connection end of stator blade 1, and the angle adjusting stator blade 1 is relatively reliable；Rocking arm
4 use alignment pin to connect with the connection end of linkage ring 5, and positioning precision is high, it is possible to adjust while realizing multiple stator blade angle
Whole, and ensure that the regulation angle of each stator blade is consistent.
It is understood that the profile section 13 on described stator blade 1 can also set according to practical situation.Such as, exist
In one alternative, profile section 13 is set to the form of triangular prism；In another embodiment, profile section is set to four ribs
The form of post；Or may be arranged as common hexagon formula, have an advantage in that, process simple and convenient.
In the present embodiment, stator blade setting angle adjusting apparatus also comprises stator internal ring 2, stator internal ring 2 and segmentation
Casing 7 is fixing to be connected, and stator internal ring 2 is provided with hole, location；The other end that stator blade 1 is relative with the first axle journal is provided with
Two axle journals, the second axle journal is arranged in the hole, location on stator internal ring 2.
In the present embodiment, stator internal ring 2 is set to monolithic construction.It is understood that stator internal ring can also set
It is set to a point half formula structure.
In the present embodiment, the leaf two ends of stator blade 1 are provided with positioning boss, on stator casing 3 and stator internal ring 2
Being provided with boss hole, described positioning boss is arranged in described boss hole.Have an advantage in that, stator blade can be reduced leaf
Gap between end and stator casing 3, is conducive to improving work efficiency.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit.To the greatest extent
The present invention has been described in detail by pipe with reference to previous embodiment, it will be understood by those within the art that: it is still
Technical scheme described in foregoing embodiments can be modified, or wherein portion of techniques feature is carried out equivalent replace
Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (7)
1. a stator blade setting angle adjusting apparatus, it is characterised in that: comprise stator casing (3), segmentation casing (7), institute
State that stator casing (3) and described segmentation casing (7) are fixing to be connected, it is characterised in that: also comprise stator blade (1), rocking arm (4) and
Linkage ring (5)；
One end of described stator blade (1) is provided with the first axle journal, and described stator blade (1) is arranged on by described first axle journal
On described stator casing (3)；
Described rocking arm (4) one end is connected with the first axle journal of described stator blade (1), and the other end is connected with described linkage ring (5)；
Described linkage ring (5) drives described stator blade (1) to rotate by described rocking arm (4).
2. stator blade setting angle adjusting apparatus as claimed in claim 1, it is characterised in that: described stator blade (1)
First axle journal comprises light shaft part (11) and thread segment (12), and described smooth shaft part (11) is formed with the changeover portion of described thread segment (12)
The shaft shoulder, described smooth shaft part (11) coordinates with the installing hole on described stator casing (3), and described rocking arm (4) is set in described screw thread
In section (12), and axially it is pressed at the described shaft shoulder by nut.
3. stator blade setting angle adjusting apparatus as claimed in claim 2, it is characterised in that: described smooth shaft part (11) and institute
Stating and be additionally provided with profile section (13) between thread segment (12), described rocking arm (4) is provided with the connection end of described stator blade (1)
The profile hole coordinated with described profile section (13).
4. stator blade setting angle adjusting apparatus as claimed in claim 3, it is characterised in that: described profile section (13) comprises
Two parallel planes, one end that described rocking arm (4) is connected with described profile section (13) is provided with the elongated hole with two parallel surfaces,
Described elongated hole coordinates with described profile section (13), is used for rotating stator blade (1)；Described rocking arm (4) leads to described linkage ring (5)
Cross alignment pin to connect.
5. stator blade setting angle adjusting apparatus as claimed in claim 4, it is characterised in that: described stator blade established angle
Degree adjusting apparatus also comprises stator internal ring (2), and described stator internal ring (2) is fixing with described segmentation casing (7) to be connected, described stator
Hole, location it is provided with on internal ring (2)；The other end that described stator blade (1) is relative with described first axle journal is provided with the second axle
Neck, described second axle journal is arranged in the hole, location on described stator internal ring (2).
6. stator blade setting angle adjusting apparatus as claimed in claim 5, it is characterised in that: described stator casing (3) with
Stator internal ring (2) all uses monolithic construction.
7. the stator blade setting angle adjusting apparatus as described in as described in any one of claim 1 to 6, it is characterised in that: described
The leaf two ends of stator blade (1) are provided with positioning boss, and described stator casing (3) is provided with on described stator internal ring (2)
Boss hole, described positioning boss is arranged in described boss hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446144.9A CN106089810A (en) | 2016-06-21 | 2016-06-21 | A kind of stator blade setting angle adjusting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446144.9A CN106089810A (en) | 2016-06-21 | 2016-06-21 | A kind of stator blade setting angle adjusting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106089810A true CN106089810A (en) | 2016-11-09 |
Family
ID=57238167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610446144.9A Pending CN106089810A (en) | 2016-06-21 | 2016-06-21 | A kind of stator blade setting angle adjusting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089810A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930965A (en) * | 2017-02-10 | 2017-07-07 | 中国航发沈阳发动机研究所 | A kind of Multi-angle corner size block |
| 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 |
| CN111425463A (en) * | 2020-04-09 | 2020-07-17 | 中国航发沈阳发动机研究所 | Stator blade rotation angle adjusting and measuring structure |
| CN112096658A (en) * | 2020-11-06 | 2020-12-18 | 中国航发上海商用航空发动机制造有限责任公司 | Aircraft engine compressor and adjustable stator blade position retaining structure thereof |
| CN112196838A (en) * | 2020-12-09 | 2021-01-08 | 中国航发上海商用航空发动机制造有限责任公司 | Aeroengine impeller machine and aeroengine |
| CN113202621A (en) * | 2021-06-14 | 2021-08-03 | 中国航发沈阳发动机研究所 | Stator blade rotation angle adjusting mechanism |
| CN113390379A (en) * | 2021-06-14 | 2021-09-14 | 中国航发沈阳发动机研究所 | Dynamic clearance measuring structure for rotor blade with multi-duct rotor-stator structure |
| CN113863992A (en) * | 2021-10-26 | 2021-12-31 | 中国航发沈阳发动机研究所 | Stator blade rotation angle adjustment mechanism among aeroengine |
| CN114278435A (en) * | 2020-09-28 | 2022-04-05 | 中国航发商用航空发动机有限责任公司 | Gas compressor, gas turbine engine, adjustable stationary blade assembly and assembling method |
| CN114458632A (en) * | 2020-11-09 | 2022-05-10 | 中国航发上海商用航空发动机制造有限责任公司 | Mechanical limiting structure for adjustable stator blade of gas compressor |
| CN115178988A (en) * | 2021-04-06 | 2022-10-14 | 中国航发商用航空发动机有限责任公司 | Guide device and method for mounting engine stator |
| RU2810172C1 (en) * | 2020-11-06 | 2023-12-22 | Aecc Шанхай Коммершал Эйркрафт Энджин Маньюфэкчуринг Ко., Лтд. | Aircraft engine compressor and design for fixing position of adjustable stator blade |
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| CN105422514A (en) * | 2015-12-25 | 2016-03-23 | 中国航空工业集团公司沈阳发动机设计研究所 | Blade adjusting structure |
| CN105443444A (en) * | 2015-12-25 | 2016-03-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Inner ring structure of adjustable stator blade of engine fan |
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| US3788763A (en) * | 1972-11-01 | 1974-01-29 | Gen Motors Corp | Variable vanes |
| JP2000320498A (en) * | 1999-05-12 | 2000-11-21 | Ishikawajima Harima Heavy Ind Co Ltd | Support device for compressor swing wing |
| US20080050220A1 (en) * | 2006-08-24 | 2008-02-28 | United Technologies Corporation | Leaned high pressure compressor inlet guide vane |
| CN104948241A (en) * | 2014-03-27 | 2015-09-30 | 中航商用航空发动机有限责任公司 | Gas compressor and stator regulating mechanism used for gas compressor |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930965B (en) * | 2017-02-10 | 2019-05-24 | 中国航发沈阳发动机研究所 | A kind of Multi-angle corner size block |
| CN106930965A (en) * | 2017-02-10 | 2017-07-07 | 中国航发沈阳发动机研究所 | A kind of Multi-angle corner size block |
| 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 |
| CN111288020B (en) * | 2020-02-24 | 2021-05-28 | 中国航发沈阳发动机研究所 | Compressor stator blade linkage structure |
| CN111425463A (en) * | 2020-04-09 | 2020-07-17 | 中国航发沈阳发动机研究所 | Stator blade rotation angle adjusting and measuring structure |
| CN114278435A (en) * | 2020-09-28 | 2022-04-05 | 中国航发商用航空发动机有限责任公司 | Gas compressor, gas turbine engine, adjustable stationary blade assembly and assembling method |
| CN112096658A (en) * | 2020-11-06 | 2020-12-18 | 中国航发上海商用航空发动机制造有限责任公司 | Aircraft engine compressor and adjustable stator blade position retaining structure thereof |
| RU2810172C1 (en) * | 2020-11-06 | 2023-12-22 | Aecc Шанхай Коммершал Эйркрафт Энджин Маньюфэкчуринг Ко., Лтд. | Aircraft engine compressor and design for fixing position of adjustable stator blade |
| WO2022095719A1 (en) * | 2020-11-06 | 2022-05-12 | 中国航发上海商用航空发动机制造有限责任公司 | Aero-engine compressor, and adjustable stator blade position maintaining structure thereof |
| CN114458632A (en) * | 2020-11-09 | 2022-05-10 | 中国航发上海商用航空发动机制造有限责任公司 | Mechanical limiting structure for adjustable stator blade of gas compressor |
| CN112196838B (en) * | 2020-12-09 | 2021-02-19 | 中国航发上海商用航空发动机制造有限责任公司 | Aeroengine impeller machine and aeroengine |
| CN112196838A (en) * | 2020-12-09 | 2021-01-08 | 中国航发上海商用航空发动机制造有限责任公司 | Aeroengine impeller machine and aeroengine |
| CN115178988A (en) * | 2021-04-06 | 2022-10-14 | 中国航发商用航空发动机有限责任公司 | Guide device and method for mounting engine stator |
| CN115178988B (en) * | 2021-04-06 | 2023-09-26 | 中国航发商用航空发动机有限责任公司 | Guiding device and mounting method of engine stator |
| CN113390379A (en) * | 2021-06-14 | 2021-09-14 | 中国航发沈阳发动机研究所 | Dynamic clearance measuring structure for rotor blade with multi-duct rotor-stator structure |
| CN113202621A (en) * | 2021-06-14 | 2021-08-03 | 中国航发沈阳发动机研究所 | Stator blade rotation angle adjusting mechanism |
| CN113863992A (en) * | 2021-10-26 | 2021-12-31 | 中国航发沈阳发动机研究所 | Stator blade rotation angle adjustment mechanism among aeroengine |
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Application publication date: 20161109 |
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