CN112682214A - Balance coordination structure for flow channel in axisymmetric adjustable contraction and expansion spray pipe - Google Patents
Balance coordination structure for flow channel in axisymmetric adjustable contraction and expansion spray pipe Download PDFInfo
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- CN112682214A CN112682214A CN202011584259.7A CN202011584259A CN112682214A CN 112682214 A CN112682214 A CN 112682214A CN 202011584259 A CN202011584259 A CN 202011584259A CN 112682214 A CN112682214 A CN 112682214A
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Abstract
The application belongs to the technical field of design of balanced coordinated actions of runners in axially symmetric adjustable contraction and expansion spray pipes, and particularly relates to a balanced coordinated structure of runners in axially symmetric adjustable contraction and expansion spray pipes, which comprises the following steps: a plurality of tabs; the sealing pieces are distributed at intervals with the adjusting pieces to form a ring shape; a joint part exists between each sealing sheet and the adjacent adjusting sheet, and the joint parts are connected in a sliding manner; and each connecting rod corresponds to be connected with the outer wall of one sealing piece, one end of each connecting rod is connected with the outer wall of one adjusting piece adjacent to the corresponding sealing piece in a sliding manner, and the other end of each connecting rod is connected with the outer wall of the other adjusting piece adjacent to the corresponding sealing piece in a sliding manner.
Description
Technical Field
The application belongs to the technical field of design of balance and coordination actions of inner runners of axisymmetric adjustable convergent-divergent nozzles, and particularly relates to a balance and coordination structure of inner runners of axisymmetric adjustable convergent-divergent nozzles.
Background
The inner flow passage surface of the engine axisymmetric adjustable spray pipe is formed by the regulating sheet and the sealing sheet which are connected in a surrounding way and is in a scale structure, the sectional area of the inner flow passage surface of the engine axisymmetric adjustable spray pipe needs to be regulated, namely the regulating sheet and the sealing sheet are regulated to be contracted and expanded, at present, when the sectional area of the inner flow passage surface of the engine axisymmetric adjustable spray pipe is regulated through an axisymmetric spray pipe actuating system, clamping stagnation is easy to occur between the regulating sheet and the sealing sheet, the balance and coordination action cannot be realized, and the improvement of the engine performance is seriously limited.
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
The present application is directed to a flow channel balance coordination structure in an axisymmetric variable convergent-divergent nozzle, which overcomes or alleviates at least one of the known technical disadvantages.
The technical scheme of the application is as follows:
the utility model provides an interior runner of adjustable receipts of axial symmetry expands spray tube is balanced to coordinate structure, includes:
a plurality of tabs;
the sealing pieces are distributed at intervals with the adjusting pieces to form a ring shape; a joint part exists between each sealing sheet and the adjacent adjusting sheet, and the joint parts are connected in a sliding manner;
and each connecting rod corresponds to be connected with the outer wall of one sealing piece, one end of each connecting rod is connected with the outer wall of one adjusting piece adjacent to the corresponding sealing piece in a sliding manner, and the other end of each connecting rod is connected with the outer wall of the other adjusting piece adjacent to the corresponding sealing piece in a sliding manner.
According to at least one embodiment of the present application, in the above-mentioned balance and coordination structure for the flow channel in the axisymmetric adjustable convergent-divergent nozzle, each of the plurality of supporting seats is correspondingly connected to the outer wall of one of the sealing pieces and connected to a corresponding connecting rod to support the corresponding connecting rod.
According to at least one embodiment of the application, in the above axial-symmetry adjustable contraction and expansion nozzle inner flow channel balance coordination structure, each support seat is welded on the outer wall of the corresponding sealing sheet and is connected with the corresponding connecting rod through a bolt.
According to at least one embodiment of the present application, in the above-mentioned balance and coordination structure for the inner flow passage of the axisymmetric adjustable convergent-divergent nozzle, two ends of each connecting rod are bent toward the direction of the corresponding adjusting piece, and are slidably connected to the outer wall of the corresponding adjusting piece.
According to at least one embodiment of the present application, in the above-mentioned balance coordination structure for the flow channel in the axisymmetric adjustable convergent-divergent nozzle, two ends of each connecting rod are connected to the outer wall slide rails of the corresponding adjusting sheet in a matching manner.
According to at least one embodiment of the present application, in the above-mentioned balance and coordination structure for the flow passage in the axisymmetric adjustable convergent-divergent nozzle, the outer wall of each adjusting blade is provided with a guide groove extending along the circumferential direction;
two ends of each connecting rod are provided with guide blocks; the guide blocks on the outer walls of the two ends of each connecting rod are clamped in the guide grooves corresponding to the outer walls of the adjusting sheets and are connected with the corresponding guide grooves in a sliding fit manner.
The application has at least the following beneficial technical effects:
the utility model provides a balanced structure of coordinating of runner in adjustable receipts of axial symmetry expands spray tube, accessible axial symmetry spray tube actuates the system and drives its each adjustment sheet, the gasket action, laminating position relative slip between every gasket and the adjacent adjustment sheet, make distance A between two adjacent adjustment sheets increase or reduce, can realize adjusting the sectional area of runner face in the adjustable spray tube of axial symmetry with this, because two adjustment sheets adjacent with a gasket and the connecting rod both ends sliding connection of connection on this gasket, the distance increase or the restriction that reduces the in-process and receive corresponding connecting rod between two adjacent adjustment sheets, can with the balanced coordinated action of gasket, avoid taking place the jamming phenomenon.
Drawings
FIG. 1 is a schematic view of a flow channel balance coordination structure in an axisymmetric adjustable convergent-divergent nozzle provided in an embodiment of the present application;
FIG. 2 is a partial schematic view of a flow channel balance coordination structure in an axisymmetric variable convergent-divergent nozzle provided in an embodiment of the present application;
wherein:
1-a regulating tablet; 2-sealing the sheet; 3-a connecting rod; 4-a support seat;
a-distance between two adjacent regulating blades.
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 is described in further detail below with reference to fig. 1-2.
The utility model provides an interior runner of adjustable receipts of axial symmetry expands spray tube is balanced to coordinate structure, includes:
a plurality of adjustment tabs 1;
a plurality of sealing sheets 2 which are distributed with the adjusting sheets 1 to form a ring shape; a joint part exists between each sealing piece 2 and the adjacent adjusting piece 1, and the joint parts are connected in a sliding manner;
a plurality of connecting rods 3, every connecting rod 3 correspond with a gasket 2 outer wall connection, one end with correspond 1 outer wall sliding connection of gasket 2 adjacent one regulation piece, the other end with correspond 1 outer wall sliding connection of another regulation piece that gasket 2 is adjacent.
For the balance and coordination structure of the flow channel in the axisymmetric adjustable convergent-divergent nozzle disclosed in the above embodiment, it can be understood by those skilled in the art that the adjustment sheets 1 and the sealing sheets 2 can be driven to move by the axisymmetric nozzle actuating system, and the joint part between each sealing sheet 2 and the adjacent adjustment sheet 1 slides relatively, so that the distance a between the two adjacent adjustment sheets is increased or decreased, thereby adjusting the sectional area of the flow channel surface in the axisymmetric adjustable nozzle.
For the balance and coordination structure of the flow channel in the axisymmetric adjustable convergent-divergent nozzle disclosed in the above embodiment, it can be understood by those skilled in the art that, in order to ensure the sealing performance of the joint portion between the sealing plate 2 and the adjacent adjusting plate 1 and the flow path of mutual sliding, the sealing plate and the adjacent adjusting plate may be connected by a sliding rail.
In some optional embodiments, in the above-mentioned balance and coordination structure for the flow passage in the axisymmetric adjustable convergent-divergent nozzle, a plurality of supporting seats 4 are provided, and each supporting seat 4 is correspondingly connected with the outer wall of one sealing sheet 2 and is connected with a corresponding connecting rod 3 to support the corresponding connecting rod 3.
In some alternative embodiments, in the above-mentioned balance and coordination structure for the flow channel in the axisymmetric adjustable convergent-divergent nozzle, each supporting seat 4 is welded on the outer wall of the corresponding sealing plate 2, and is connected with the corresponding connecting rod 3 through a bolt.
In some optional embodiments, in the above-mentioned balance and coordination structure for the flow channel in the axisymmetric adjustable convergent-divergent nozzle, both ends of each connecting rod 3 are bent towards the direction of the corresponding adjusting blade 1, and are slidably connected with the outer wall of the corresponding adjusting blade 1.
In some alternative embodiments, in the above-mentioned balance and coordination structure for the flow channel in the axisymmetric adjustable convergent-divergent nozzle, both ends of each connecting rod 3 are connected with the outer wall slide rails of the corresponding adjusting blade 1 in a matching manner.
In some alternative embodiments, in the above-mentioned balance and coordination structure for the flow passage in the axisymmetric adjustable convergent-divergent nozzle, the outer wall of each adjusting blade 1 is provided with a guide groove extending along the circumferential direction;
the outer walls of the two ends of each connecting rod 3 are provided with guide blocks; the guide block card of 3 both ends outer walls of every connecting rod is connected with the guide way sliding fit who corresponds in the guide way that corresponds 1 outer wall of adjustment sheet to guarantee the directionality of distance A increase or reduction in-process between two adjacent adjustment sheets, avoid taking place the jamming, in addition, can also guarantee the synchronism of axial motion between adjustment sheet 1, the gasket 2, avoid taking place the dislocation, influence the wholeness ability of engine.
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 (6)
1. The utility model provides an adjustable receipts of axial symmetry expands balanced structure of coordinating of inner flow way of spray tube which characterized in that includes:
a plurality of adjustment flaps (1);
the sealing pieces (2) are distributed with the adjusting pieces (1) at intervals to form a ring shape; a joint part exists between each sealing piece (2) and the adjacent adjusting piece (1), and the joint parts are in sliding connection;
a plurality of connecting rods (3), every connecting rod (3) correspond with one gasket (2) outer wall connection, one end with correspond gasket (2) adjacent one regulation piece (1) outer wall sliding connection, the other end with correspond another gasket (2) adjacent regulation piece (1) outer wall sliding connection.
2. The flow channel balance coordination structure in the axisymmetric variable convergent-divergent nozzle of claim 1, wherein,
a plurality of supporting seats (4), every supporting seat (4) correspond with one the outer wall connection of gasket (2) is connected with corresponding connecting rod (3) to support corresponding connecting rod (3).
3. The flow channel balance coordination structure in the axisymmetric variable convergent-divergent nozzle of claim 2, wherein,
each supporting seat (4) is welded on the outer wall of the corresponding sealing sheet (2) and is connected with the corresponding connecting rod (3) through a bolt.
4. The flow channel balance coordination structure in the axisymmetric variable convergent-divergent nozzle of claim 1, wherein,
and two ends of each connecting rod (3) are bent towards the direction of the corresponding adjusting sheet (1) respectively and are connected with the outer wall of the corresponding adjusting sheet (1) in a sliding manner.
5. The flow channel balance coordination structure in the axisymmetric variable convergent-divergent nozzle of claim 1, wherein,
and the two ends of each connecting rod (3) are connected with the outer wall sliding rails of the corresponding adjusting sheets (1) in a matching way.
6. The flow channel balance coordination structure in the axisymmetric variable convergent-divergent nozzle of claim 1, wherein,
the outer wall of each adjusting sheet (1) is provided with a guide groove extending along the circumferential direction;
two ends of each connecting rod (3) are provided with guide blocks; and the guide blocks on the outer walls of the two ends of each connecting rod (3) are clamped in the guide grooves corresponding to the outer walls of the adjusting sheets (1) and are connected with the corresponding guide grooves in a sliding fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584259.7A CN112682214A (en) | 2020-12-28 | 2020-12-28 | Balance coordination structure for flow channel in axisymmetric adjustable contraction and expansion spray pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011584259.7A CN112682214A (en) | 2020-12-28 | 2020-12-28 | Balance coordination structure for flow channel in axisymmetric adjustable contraction and expansion spray pipe |
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| Publication Number | Publication Date |
|---|---|
| CN112682214A true CN112682214A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011584259.7A Pending CN112682214A (en) | 2020-12-28 | 2020-12-28 | Balance coordination structure for flow channel in axisymmetric adjustable contraction and expansion spray pipe |
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| CN (1) | CN112682214A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530705A (en) * | 2021-08-18 | 2021-10-22 | 中国航发贵阳发动机设计研究所 | Retractable limiting device for outer adjusting piece of adjustable jet pipe of aircraft engine |
| CN114837845A (en) * | 2022-04-14 | 2022-08-02 | 中国航发沈阳发动机研究所 | Anti-clamping-stagnation co-acting sliding block structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2796731A (en) * | 1952-12-16 | 1957-06-25 | Rolls Royce | Variable area jet propulsion nozzle |
| US4128208A (en) * | 1977-07-11 | 1978-12-05 | General Electric Company | Exhaust nozzle flap seal arrangement |
| CN1046371A (en) * | 1989-04-11 | 1990-10-24 | 通用电气公司 | The axis symmetry turns to the jet exhaust seal arrangement |
| US5232158A (en) * | 1992-08-11 | 1993-08-03 | United Technologies Corporation | Convergent/divergent nozzle with seal centering |
| US5269467A (en) * | 1992-08-03 | 1993-12-14 | General Electric Company | Vectoring exhaust nozzle seal and flap retaining apparatus |
| US6148608A (en) * | 1997-01-17 | 2000-11-21 | Industria De Turbo Propulsores S.A. | Divergent petal arrangement for a convergent-divergent aircraft engine nozzle |
| CN1576519A (en) * | 2003-07-08 | 2005-02-09 | Snecma发动机公司 | Flexible flap for a variable-section turbomachine nozzle |
| US20060090470A1 (en) * | 2004-10-29 | 2006-05-04 | Snecma | Variable-section turbomachine nozzle |
| CN205135837U (en) * | 2015-11-10 | 2016-04-06 | 兰州交通大学 | Axial symmetry thrust vectoring nozzle adjustment sheet gasket coupling mechanism |
-
2020
- 2020-12-28 CN CN202011584259.7A patent/CN112682214A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2796731A (en) * | 1952-12-16 | 1957-06-25 | Rolls Royce | Variable area jet propulsion nozzle |
| US4128208A (en) * | 1977-07-11 | 1978-12-05 | General Electric Company | Exhaust nozzle flap seal arrangement |
| CN1046371A (en) * | 1989-04-11 | 1990-10-24 | 通用电气公司 | The axis symmetry turns to the jet exhaust seal arrangement |
| US5269467A (en) * | 1992-08-03 | 1993-12-14 | General Electric Company | Vectoring exhaust nozzle seal and flap retaining apparatus |
| US5232158A (en) * | 1992-08-11 | 1993-08-03 | United Technologies Corporation | Convergent/divergent nozzle with seal centering |
| US6148608A (en) * | 1997-01-17 | 2000-11-21 | Industria De Turbo Propulsores S.A. | Divergent petal arrangement for a convergent-divergent aircraft engine nozzle |
| CN1576519A (en) * | 2003-07-08 | 2005-02-09 | Snecma发动机公司 | Flexible flap for a variable-section turbomachine nozzle |
| US20060090470A1 (en) * | 2004-10-29 | 2006-05-04 | Snecma | Variable-section turbomachine nozzle |
| CN205135837U (en) * | 2015-11-10 | 2016-04-06 | 兰州交通大学 | Axial symmetry thrust vectoring nozzle adjustment sheet gasket coupling mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530705A (en) * | 2021-08-18 | 2021-10-22 | 中国航发贵阳发动机设计研究所 | Retractable limiting device for outer adjusting piece of adjustable jet pipe of aircraft engine |
| CN114837845A (en) * | 2022-04-14 | 2022-08-02 | 中国航发沈阳发动机研究所 | Anti-clamping-stagnation co-acting sliding block structure |
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Application publication date: 20210420 |