CN113202621A - Stator blade rotation angle adjusting mechanism - Google Patents
Stator blade rotation angle adjusting mechanism Download PDFInfo
- Publication number
- CN113202621A CN113202621A CN202110657733.2A CN202110657733A CN113202621A CN 113202621 A CN113202621 A CN 113202621A CN 202110657733 A CN202110657733 A CN 202110657733A CN 113202621 A CN113202621 A CN 113202621A
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- Prior art keywords
- linkage
- interference
- rocker arm
- arc
- shaped section
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
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- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- 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
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application relates to a stator blade turned angle adjustment mechanism includes: the linkage ring is sleeved on the periphery of the stator casing and is positioned on one side of each stator blade extending out of the upper shaft neck from the stator casing mounting hole; the arc sections are distributed around the stator casing and positioned on the other side of each upper journal, and each linkage annular interference upper journal is contained in the range; each arc-shaped section at least comprises a linkage annular interference-free upper shaft neck; one end of each linkage annular non-interference rocker arm is correspondingly connected with one linkage annular non-interference upper shaft neck, and the other end of each linkage annular non-interference rocker arm is hinged with the linkage ring; one end of each linkage circumferential interference rocker arm is correspondingly connected with one linkage circumferential interference upper journal, and the other end of each linkage circumferential interference rocker arm is hinged with the corresponding arc-shaped section; and one end of each driven rocker arm is correspondingly hinged with one arc-shaped section, and the other end of each driven rocker arm is connected with a linkage annular interference-free upper shaft neck in the range of the corresponding arc-shaped section.
Description
Technical Field
The application belongs to the technical field of stator blade rotation angle adjustment design, and particularly relates to a stator blade rotation angle adjusting mechanism.
Background
In order to realize stable work of a compressor in an engine, the gas flow flowing through the compressor needs to be adjusted according to actual conditions, the angle of each stator blade in the compressor is adjustable, and each stator blade is adjusted to rotate synchronously through an angle adjusting mechanism so as to change the angle of each stator blade synchronously, thereby realizing adjustment of the gas flow flowing through the compressor.
Each stator blade in the gas compressor is arranged between a stator casing and an inner ring of the gas compressor and distributed along the circumferential direction, a lower shaft neck of each stator blade is inserted into a mounting hole in the stator inner ring, and an upper shaft neck extends out of the mounting hole in the stator casing. The existing angle adjusting mechanism mainly comprises a plurality of rocker arms, a linkage ring and an actuating cylinder, wherein one end of each rocker arm is correspondingly connected with an upper journal of a stator blade extending out of a stator casing mounting hole; the linkage ring is sleeved on the stator casing and is hinged with the other end of each rocker arm; the actuating cylinder is arranged on the stator casing, and a piston rod of the actuating cylinder is connected with the linkage ring so as to drive the linkage ring to move, so that each rocker arm is driven to synchronously swing in the circumferential direction of the stator casing, each stator blade synchronously rotates, and the synchronous adjustment of the rotating angle of each stator blade is realized, as shown in fig. 1, the angle adjusting mechanism has the following defects:
each rocking arm and link ring thereof distribute along stator cartridge receiver circumference, if meet the interference structure, like the pipeline of stator cartridge receiver outer wall, connect limit and all kinds of bolts, need move outward each rocking arm whole to the direction of keeping away from the stator cartridge receiver, the holistic overall dimension of engine of increase, make the whole increase of engine volume, the size of required link ring also correspondingly increases, cause the rigidity of link ring to weaken, influence the precision to stator blade turned angle regulation, in addition, the journal stretches out the height of mounting hole and also correspondingly increases on each stator blade, journal intensity produces higher demand on each stator blade.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a stator vane turning angle adjustment mechanism to overcome or alleviate at least one of the technical disadvantages of the known prior art.
A stator blade rotation angle adjustment mechanism comprising:
the linkage ring is sleeved on the periphery of the stator casing and is positioned on one side of each stator blade extending out of the upper shaft neck from the stator casing mounting hole; in each upper journal, the upper journal with interference structure between the linkage rings is the linkage ring interference upper journal, and the rest is the linkage ring interference-free upper journal;
the arc sections are distributed around the stator casing and positioned on the other side of each upper journal, and each linkage annular interference upper journal is contained in the range; each arc-shaped section at least comprises a linkage annular interference-free upper shaft neck;
one end of each linkage annular non-interference rocker arm is correspondingly connected with one linkage annular non-interference upper shaft neck, and the other end of each linkage annular non-interference rocker arm is hinged with the linkage ring;
one end of each linkage circumferential interference rocker arm is correspondingly connected with one linkage circumferential interference upper journal, and the other end of each linkage circumferential interference rocker arm is hinged with the corresponding arc-shaped section;
and one end of each driven rocker arm is correspondingly hinged with one arc-shaped section, and the other end of each driven rocker arm is connected with a linkage annular interference-free upper shaft neck in the range of the corresponding arc-shaped section.
According to at least one embodiment of the present application, in the stator vane rotation angle adjusting mechanism, the link ring has a plurality of grooves;
each linkage annular interference-free rocker arm is back to one end of the corresponding linkage annular interference-free upper shaft neck and is correspondingly inserted into one groove on the linkage ring;
stator blade turned angle adjustment mechanism still includes:
and each linkage ring connecting pin correspondingly hinges one linkage ring-shaped interference-free rocker arm back to one end of the corresponding linkage ring-shaped interference-free upper shaft neck in the corresponding groove.
According to at least one embodiment of the present application, the stator vane rotation angle adjustment mechanism further includes:
and each linkage ring bearing is correspondingly sleeved on one linkage ring connecting pin and is positioned between the corresponding linkage ring connecting pin and the linkage ring-shaped interference-free rocker arm.
According to at least one embodiment of the present application, in the above stator vane rotation angle adjusting mechanism, each of the arc-shaped sections has a plurality of grooves;
each linkage circumferential interference rocker arm is back to one end of the corresponding linkage circumferential interference upper shaft neck and is correspondingly inserted into one groove on the corresponding arc section;
stator blade turned angle adjustment mechanism still includes:
and each arc-shaped section connecting pin correspondingly hinges one linkage annular interference rocker arm back to one end of the linkage annular interference upper shaft neck in the corresponding groove.
According to at least one embodiment of the present application, the stator vane rotation angle adjustment mechanism further includes:
and each arc-shaped section bearing is correspondingly sleeved on one arc-shaped section connecting pin and is positioned between the corresponding arc-shaped section connecting pin and the linkage annular interference rocker arm.
According to at least one embodiment of the present application, in the above stator vane rotation angle adjusting mechanism, each of the arc-shaped sections has a driven groove;
each driven rocker arm is oppositely arranged at one end of the corresponding linkage annular non-interference upper shaft neck and is correspondingly inserted into the driven groove on the corresponding arc section;
stator blade turned angle adjustment mechanism still includes:
and each driven connecting pin correspondingly enables one driven rocker arm to be opposite to one end of the corresponding linkage annular upper shaft neck without interference and to be hinged in the corresponding driven groove.
According to at least one embodiment of the present application, the stator vane rotation angle adjustment mechanism further includes:
and each driven bearing is correspondingly sleeved on one driven connecting pin and positioned between the corresponding driven connecting pin and the corresponding driven rocker arm.
According to at least one embodiment of the present application, in the above stator blade rotation angle adjustment mechanism, each of the driven rocker arms is integrally formed with a corresponding link ring non-interference rocker arm connected to the link ring non-interference upper journal.
According to at least one embodiment of the present application, the stator vane rotation angle adjustment mechanism further includes:
and the actuating cylinder is arranged on the stator casing, and a piston rod of the actuating cylinder is connected with the linkage ring so as to drive the linkage ring to move and drive each linkage ring to synchronously move towards the noninterference rocker arm, the driven rocker arm, the arc-shaped section and the linkage ring towards the interference rocker arm, so that each stator blade synchronously rotates.
Drawings
FIG. 1 is a schematic view of a conventional stator vane rotation angle adjusting mechanism;
FIG. 2 is a partial schematic structural view of a stator vane rotation angle adjustment mechanism provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a linked ring-shaped non-interference rocker arm and a linked ring bearing thereof according to an embodiment of the present disclosure;
FIG. 4 is another partial schematic structural view of a stator blade rotation angle adjusting mechanism provided in an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a linked ring-direction interference-free rocker arm and a linked ring bearing thereof, a driven rocker arm and a driven bearing thereof according to an embodiment of the present disclosure;
FIG. 6 is a schematic structural view of a further part of a stator blade rotation angle adjustment mechanism provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a linked circumferential interference rocker arm and a bearing of an arc segment according to an embodiment of the present disclosure;
FIG. 8 is a schematic view of a link ring provided by an embodiment of the present application;
FIG. 9 is a schematic illustration of an arc segment provided by an embodiment of the present application;
wherein:
1-a linkage ring; 2-a stator case; 3-stator blades; 4-arc section; 5-linkage annular non-interference rocker arm; 6-linkage circumferential interference rocker arm; 7-a driven rocker arm; 8-a link ring connecting pin; 9-a link ring bearing; 10-arc segment connecting pin; 11-arc segment bearings; 12-a driven connecting pin; 13-driven bearing.
For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application will be described in further detail with reference to fig. 1 to 9.
A stator blade rotation angle adjustment mechanism comprising:
the linkage ring 1 is sleeved on the periphery of the stator casing 2 and is positioned on one side of each stator blade 3 extending out of the upper shaft neck from the mounting hole of the stator casing 2; in each upper journal, the upper journal with interference structure between the linkage ring 1 is a linkage ring interference upper journal, and the rest is a linkage ring interference-free upper journal;
the arc sections 4 are distributed around the stator casing 2 and positioned on the other side of each upper journal, and each linkage annular interference upper journal is contained in the range; each arc-shaped section 4 at least comprises a linkage annular interference-free upper shaft neck;
the linkage ring-shaped non-interference rocker arms 5 are arranged in the middle of the upper shaft neck, one end of each linkage ring-shaped non-interference rocker arm 5 is correspondingly connected with one linkage ring-shaped non-interference upper shaft neck, and the other end of each linkage ring-shaped non-interference rocker arm 5 is hinged with the linkage ring 1;
one end of each linkage circumferential interference rocker arm 5 is correspondingly connected with one linkage circumferential interference upper journal, and the other end of each linkage circumferential interference rocker arm is hinged with the corresponding arc-shaped section 4;
and one end of each driven rocker arm 7 is correspondingly hinged with one arc-shaped section 4, and the other end of each driven rocker arm 7 is connected with a linkage annular interference-free upper shaft neck within the range of the corresponding arc-shaped section 4.
For the stator blade rotation angle adjusting mechanism disclosed in the above embodiment, as can be understood by those skilled in the art, the driving of the linkage ring 1 can drive each linkage ring to synchronously move towards the noninterference rocker arm 5, the driven rocker arm 7, the arc-shaped section 4 and the linkage ring to synchronously move towards the interference rocker arm 6, so that each stator blade 3 synchronously rotates, and the synchronous adjustment of the rotation angle of each stator blade is realized.
For the stator blade rotation angle adjusting mechanism disclosed in the above embodiment, it can be understood by those skilled in the art that the rocker arms are designed to be distributed on two sides of the upper journal, the upper journal is divided into a linkage circumferential interference upper journal and a linkage circumferential interference-free upper journal according to whether there is an interference component with the linkage ring 1, and the linkage circumferential interference-free upper journal and the linkage circumferential interference upper journal are respectively connected with the linkage ring 1 and the arc-shaped section 4 located on two sides of each upper journal through the linkage circumferential interference-free rocker arm 5 and the linkage circumferential interference rocker arm 6, so that each rocker arm can avoid the interference structure under the condition of being close to the stator casing 2.
With respect to the stator vane rotation angle adjusting mechanism disclosed in the above embodiments, it can be further understood by those skilled in the art that, in order to simplify the structure, reduce the complexity of assembly, and ensure the transmission effect between the structures, each arc-shaped section 4 should include as many upper journals as possible within the range in the case of avoiding the interference structure, and the arc-shaped sections can be spliced into a whole ring structure in the case of not having the interference structure.
For the stator blade rotation angle adjusting mechanism disclosed in the above embodiment, it can be further understood by those skilled in the art that the rocker arms are designed to be distributed on two sides of the upper journal, and mainly the rocker arms are made to avoid the interference structure, and the scheme that the linkage ring 1 and the arc-shaped section 4 are distributed on two sides of the upper journal is designed, and mainly the linkage ring is made to avoid the interference structure, so that the interference that the rocker arms and the linkage ring may concentrate on one side of the upper journal is dispersed to two sides of the upper journal for providing a feasible scheme for controlling the overall evading size of the engine, the size of the linkage ring, and the height of the upper journal extending out of the mounting hole.
To the stator blade rotation angle adjustment mechanism disclosed in the above-mentioned embodiment, a skilled person in the art can also understand that, between each arc-shaped section 4 and the link ring 1, the driven rocker arm 7 and the link ring 5 connected to the corresponding link ring-shaped interference-free upper journal are used for transmission, so that at least one link ring-shaped interference-free upper journal is included in the range of each arc-shaped section 4, thereby ensuring that at least one driven rocker arm 7 can be connected to each arc-shaped section 4, and for ensuring the transmission effect between the arc-shaped sections 4 and the link ring 1, under the condition that the interference structure can be avoided, a plurality of driven rocker arms 7 can be connected to one arc-shaped section 4.
In some alternative embodiments, in the stator vane rotation angle adjusting mechanism, the link ring 1 has a plurality of grooves;
each linkage annular non-interference rocker arm 5 is back to one end of the corresponding linkage annular non-interference upper shaft neck and is correspondingly inserted into one groove on the linkage ring 1;
stator blade turned angle adjustment mechanism still includes:
and each linkage ring connecting pin 8 correspondingly hinges one linkage ring non-interference rocker arm 5 back to one end of the corresponding linkage ring non-interference upper shaft neck in the corresponding groove.
In some optional embodiments, the stator vane rotation angle adjusting mechanism further includes:
and each linkage ring bearing 9 is correspondingly sleeved on one linkage ring connecting pin 8 and is positioned between the corresponding linkage ring connecting pin 8 and the linkage ring non-interference rocker arm 5.
In some alternative embodiments, in the stator vane rotation angle adjusting mechanism, each arc-shaped segment 4 has a plurality of grooves;
each linkage circumferential interference rocker arm 6 is back to one end of the corresponding linkage circumferential interference upper shaft neck and is correspondingly inserted into one groove on the corresponding arc-shaped section 4;
stator blade turned angle adjustment mechanism still includes:
and each arc-shaped section connecting pin 9 correspondingly and oppositely connects one end of one linkage annular interference rocker arm 6, which corresponds to the linkage annular interference upper shaft neck, in the corresponding groove.
In some optional embodiments, the stator vane rotation angle adjusting mechanism further includes:
and each arc-shaped section bearing 11 is correspondingly sleeved on one arc-shaped section connecting pin 10 and is positioned between the corresponding arc-shaped section connecting pin 10 and the linkage annular interference rocker arm 6.
In some alternative embodiments, in the above stator vane rotation angle adjusting mechanism, each arc-shaped segment 4 has a driven groove;
each driven rocker arm 7 is oppositely arranged at one end of the corresponding linkage annular non-interference upper shaft neck and is correspondingly inserted into the driven groove on the corresponding arc-shaped section 4;
stator blade turned angle adjustment mechanism still includes:
and each driven connecting pin 12 correspondingly hinges one driven rocker arm 7 back to one end of the corresponding linkage annular non-interference upper shaft neck in the corresponding driven groove.
In some optional embodiments, the stator vane rotation angle adjusting mechanism further includes:
and each driven bearing 13 is correspondingly sleeved on one driven connecting pin 12 and is positioned between the corresponding driven connecting pin 12 and the driven rocker arm 7.
In some optional embodiments, in the above stator blade rotation angle adjusting mechanism, each driven rocker arm 7 is integrally formed with the corresponding linkage ring non-interference rocker arm 5 connected to the linkage ring non-interference upper journal, so as to simplify the structure, facilitate assembly, and ensure the transmission effect between the linkage ring 1 and the arc-shaped section 4.
In some optional embodiments, the stator vane rotation angle adjusting mechanism further includes:
the actuating cylinder is arranged on the stator casing 2, and a piston rod of the actuating cylinder is connected with the linkage ring 1 so as to drive the linkage ring 1 to move and drive each linkage ring to synchronously move towards the noninterference rocker arm 5, the driven rocker arm 7, the arc-shaped section 4 and the linkage ring to do the interference rocker arm 6, so that each stator blade 3 synchronously rotates, and the synchronous adjustment of the rotating angle of each stator blade is realized.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (9)
1. A stator blade turning angle adjustment mechanism, comprising:
the linkage ring (1) is sleeved on the periphery of the stator casing (2) and is positioned on one side of each stator blade (3) extending out of the upper shaft neck from the mounting hole of the stator casing (2); in each upper journal, an interference structure exists between the upper journal and the linkage ring (1), the upper journal is in linkage annular interference, and the rest upper journals are in linkage annular interference-free;
the arc sections (4) are distributed around the stator casing (2) and are positioned on the other side of each upper journal, and each linkage circumferential interference upper journal is contained in the range; each arc-shaped section (4) at least comprises a linkage annular interference-free upper journal;
the linkage device comprises a plurality of linkage annular non-interference rocker arms (5), wherein one end of each linkage annular non-interference rocker arm (5) is correspondingly connected with one linkage annular non-interference upper shaft neck, and the other end of each linkage annular non-interference rocker arm is hinged with a linkage ring (1);
one end of each linkage circumferential interference rocker arm (5) is correspondingly connected with one linkage circumferential interference upper journal, and the other end of each linkage circumferential interference rocker arm is hinged with the corresponding arc-shaped section (4);
and one end of each driven rocker arm (7) is correspondingly hinged with one arc-shaped section (4), and the other end of each driven rocker arm (7) is connected with one linkage annular upper shaft neck without interference within the range of the corresponding arc-shaped section (4).
2. The stator vane rotation angle adjustment mechanism according to claim 1,
the linkage ring (1) is provided with a plurality of grooves;
each linkage annular non-interference rocker arm (5) is back to one end of the corresponding linkage annular non-interference upper shaft neck and is correspondingly inserted into one groove in the linkage ring (1);
stator blade turned angle adjustment mechanism still includes:
the linkage ring-free rocker arm comprises a plurality of linkage ring connecting pins (8), wherein each linkage ring connecting pin (8) correspondingly enables one linkage ring-free interference rocker arm (5) to be hinged in a corresponding groove in a mode of being back to one end of a linkage ring-free interference upper shaft neck.
3. The stator vane rotation angle adjustment mechanism according to claim 2,
further comprising:
and each linkage ring bearing (9) is correspondingly sleeved on one linkage ring connecting pin (8) and is positioned between the corresponding linkage ring connecting pin (8) and the linkage ring non-interference rocker arm (5).
4. The stator vane rotation angle adjustment mechanism according to claim 1,
each arc-shaped section (4) is provided with a plurality of grooves;
each linkage circumferential interference rocker arm (6) is back to one end of the corresponding linkage circumferential interference upper shaft neck and is correspondingly inserted into one groove on the corresponding arc-shaped section (4);
stator blade turned angle adjustment mechanism still includes:
and each arc-shaped section connecting pin (10) correspondingly connects one end of the linkage annular interference rocker arm (6), which is back to the corresponding linkage annular interference upper shaft neck, with the corresponding end in the corresponding groove.
5. The stator vane rotation angle adjustment mechanism according to claim 4,
further comprising:
the linkage annular interference rocker arm comprises a plurality of arc-shaped section bearings (11), wherein each arc-shaped section bearing (11) is correspondingly sleeved on one arc-shaped section connecting pin (10) and is positioned between the corresponding arc-shaped section connecting pin (10) and the linkage annular interference rocker arm (6).
6. The stator vane rotation angle adjustment mechanism according to claim 1,
each arc-shaped section (4) is provided with a driven groove;
each driven rocker arm (7) is back to one end of the corresponding linkage annular non-interference upper shaft neck and is correspondingly inserted into a driven groove on the corresponding arc-shaped section (4);
stator blade turned angle adjustment mechanism still includes:
and each driven connecting pin (12) correspondingly enables one driven rocker arm (7) to be back to one end of the corresponding linkage annular non-interference upper shaft neck, and is hinged in the corresponding driven groove.
7. The stator vane rotation angle adjustment mechanism according to claim 6,
further comprising:
and each driven bearing (13) is correspondingly sleeved on one driven connecting pin (12) and is positioned between the corresponding driven connecting pin (12) and the driven rocker arm (7).
8. The stator vane rotation angle adjustment mechanism according to claim 1,
and each driven rocker arm (7) and the linkage annular non-interference rocker arm (5) connected on the corresponding linkage annular non-interference upper shaft neck are integrally formed.
9. The stator vane rotation angle adjustment mechanism according to claim 1,
further comprising:
the actuating cylinder is arranged on the stator casing (2), and a piston rod of the actuating cylinder is connected with the linkage ring (1) so as to drive the linkage ring (1) to move and drive the linkage annular non-interference rocker arms (5), the driven rocker arms (7), the arc-shaped section (4) and the linkage annular interference rocker arms (6) to move synchronously, so that the stator blades (3) rotate synchronously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657733.2A CN113202621B (en) | 2021-06-14 | 2021-06-14 | Stator blade rotation angle adjusting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110657733.2A CN113202621B (en) | 2021-06-14 | 2021-06-14 | Stator blade rotation angle adjusting mechanism |
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| CN113202621A true CN113202621A (en) | 2021-08-03 |
| CN113202621B CN113202621B (en) | 2022-04-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113864245A (en) * | 2021-10-29 | 2021-12-31 | 中国航发沈阳发动机研究所 | Engine stator blade angle adjusting mechanism |
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