CN103696874A - Outer flap of axisymmetric vectoring exhaust nozzle - Google Patents
Outer flap of axisymmetric vectoring exhaust nozzle Download PDFInfo
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- CN103696874A CN103696874A CN201310657360.4A CN201310657360A CN103696874A CN 103696874 A CN103696874 A CN 103696874A CN 201310657360 A CN201310657360 A CN 201310657360A CN 103696874 A CN103696874 A CN 103696874A
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- adjustment sheet
- outer adjustment
- exhaust nozzle
- back segment
- outer flap
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Abstract
The invention relates to an outer flap of an axisymmetric vector exhaust nozzle. The outer flap is characterized by mainly consisting of an outer flap front section, an outer flap back section, a sealing component and elastic pressing components, wherein the front end of the outer flap front section is connected with the back end of a vectoring adjusting ring of the axisymmetric vectoring exhaust nozzle through a rotary pair, the outer flap back section is connected with the front middle part of the outer flap front section through a rotary pair, and is connected with a divergent flap back section of the vectoring exhaust nozzle through a mechanism, one side edge of the outer flap back section is connected with the sealing component through a rotary pair, the rotary pair connected between the sealing component and the outer flap back section is assembled with the elastic pressing components, and then certain pre-tightening force is formed between the sealing component and the outer flap back section. The outer flap has the advantages that a good fairing function is realized, the sealing performance is good on the premise of meeting the complicated movement relationship of the axisymmetric vectoring exhaust nozzle, the hidden shaping is easily carried out, a good shielding function on the heat end part in the exhaust nozzle is realized, and the hiding capability of the axisymmetric vectoring exhaust nozzle is effectively improved.
Description
Technical field
The present invention relates to belong to aeroengine jet pipe field, relate to the outer adjustment sheet of a kind of axisymmetric vectoring exhaust nozzle, be also applicable to the axisymmetric nozzle that other has similar structure simultaneously.
Background technique
The outer adjustment sheet of traditional aeroengine axisymmetric vector spray is 1 segmentation or 3 sections of chain structures, wherein: the outer adjustment sheet of 1 segmentation structure can meet normal axisymmetric vectoring exhaust nozzle and receive expansion motion, but when axisymmetric vectoring exhaust nozzle carries out deflection vector motion, gap in the outer adjustment sheet of 1 segmentation between adjacent two outer adjustment sheets is very large, rectified action to outside air stream produces a very large impact, simultaneously due to excessive gap, outer adjustment sheet can not effectively be blocked jet pipe internal heat end pieces, cause the stealthy ability of axisymmetric vectoring exhaust nozzle significantly to reduce, although can meeting axisymmetric vectoring exhaust nozzle simultaneously, the outer adjustment sheet of 3 sections of chain structures receives expansion motion and deflection vector motion, but the restriction due to structure itself, can not outside adjacent two, in the middle of adjustment sheet, increase sealing component, it is greatly reduced outside air rectified action and stealthy ability under large state.So in order to make up axisymmetric vectoring exhaust nozzle 1 segmentation and 3 sections of outer adjustment sheet structural imperfection of chain type, need to design a kind of good rectified action that has, simple in structure, can meet under the prerequisite of axisymmetric vectoring exhaust nozzle compound movement relation, there is good airproof performance, easily carry out the stealthy type of repairing, jet pipe internal heat end pieces is had to the good effect of blocking, effectively strengthen the outer adjustment sheet of stealthy ability axisymmetric vectoring exhaust nozzle of axisymmetric vectoring exhaust nozzle.
Summary of the invention
The object of the present invention is to provide the outer adjustment sheet of a kind of axisymmetric vectoring exhaust nozzle, there is good rectified action, simple in structure, can meet under the prerequisite of axisymmetric vectoring exhaust nozzle compound movement relation, there is good airproof performance, easily carry out the stealthy type of repairing, jet pipe internal heat end pieces is had to the good effect of blocking, effectively strengthen the stealthy ability of axisymmetric vectoring exhaust nozzle.
The outer adjustment sheet of a kind of axisymmetric vectoring exhaust nozzle provided by the invention, is characterized in that: mainly by outer adjustment sheet leading portion 1, outer adjustment sheet back segment 2, sealing component 3) elastic compression member 4 forms.Be specially:
Outer adjustment sheet leading portion 1 front end is connected to the vector regulating ring rear end of axisymmetric vectoring exhaust nozzle by revolute pair; Outer adjustment sheet back segment 2 is connected to outer adjustment sheet leading portion 1 front middle part by revolute pair, and back segment is connected to vector spray Divergent flap back segment by mechanism, and a side is connected with sealing component 3 by revolute pair; In the revolute pair that sealing component 3 is connected with outer adjustment sheet back segment 2, be equipped with elastic compression member 4, making has certain pretightening force between sealing component 3 and outer adjustment sheet back segment 2.
Described outer adjustment sheet leading portion 1 outer mold surface and interior profile are curved surface or plane.
Described outer adjustment sheet leading portion 1 back segment side is semi-cylindrical.
Described outer adjustment sheet back segment 2 outer mold surface and interior profile are curved surface or plane.
Described outer adjustment sheet back segment 2 front ends are inner concave shape semi-cylindrical.
Described outer adjustment sheet back segment 2 is front wide and rear narrow structure.
Described sealing component 3 outer mold surface and interior profile are curved surface or plane.
Described sealing component 3 is front wide and rear narrow structure.
The outer adjustment sheet of axisymmetric vectoring exhaust nozzle provided by the invention, its advantage is: have good rectified action, simple in structure, can meet under the prerequisite of axisymmetric vectoring exhaust nozzle compound movement relation, there is good airproof performance, easily carry out the stealthy type of repairing, jet pipe internal heat end pieces is had to the good effect of blocking, effectively strengthen the stealthy ability of axisymmetric vectoring exhaust nozzle.
Accompanying drawing explanation
Fig. 1 is the outer adjustment sheet top view of axisymmetric vectoring exhaust nozzle;
Fig. 2 is view under the outer adjustment sheet of axisymmetric vectoring exhaust nozzle;
Fig. 3 is the outer adjustment sheet left view of axisymmetric vectoring exhaust nozzle;
Fig. 4 is the outer adjustment sheet assembled view () of axisymmetric vectoring exhaust nozzle;
Fig. 5 is the outer adjustment sheet assembled view (two) of axisymmetric vectoring exhaust nozzle;
Fig. 6 is that the outer adjustment sheet of axisymmetric vectoring exhaust nozzle is received expansion schematic diagram;
Fig. 7 is the outer adjustment sheet deflection principle figure of axisymmetric vectoring exhaust nozzle;
Wherein: A---vector adjustment sheet; B---Divergent flap; C---pull bar.
Embodiment
The outer adjustment sheet of a kind of axisymmetric vectoring exhaust nozzle provided by the invention, is characterized in that: mainly by outer adjustment sheet leading portion 1, outer adjustment sheet back segment 2, sealing component 3) elastic compression member 4 forms.Be specially:
Outer adjustment sheet leading portion 1 front end is connected to the A rear end of axisymmetric vectoring exhaust nozzle by revolute pair; Outer adjustment sheet back segment 2 is connected to outer adjustment sheet leading portion 1 front middle part by revolute pair, and back segment is connected with C by revolute pair or ball pair; The C the other end is connected with B back segment by ball pair or revolute pair; Outer adjustment sheet back segment 2 one sides are connected with sealing component 3 by revolute pair; In the revolute pair that sealing component 3 is connected with outer adjustment sheet back segment 2, be equipped with elastic compression member 4, making has certain pretightening force between sealing component 3 and outer adjustment sheet back segment 2.
Described outer adjustment sheet leading portion 1 outer mold surface and interior profile are curved surface.
Described outer adjustment sheet leading portion 1 back segment side is semi-cylindrical.
Described outer adjustment sheet back segment 2 outer mold surface and interior profile are curved surface.
Described outer adjustment sheet back segment 2 front ends are inner concave shape semi-cylindrical.
Described outer adjustment sheet back segment 2 is front wide and rear narrow structure.
Described sealing component 3 outer mold surface and interior profile are curved surface.
Described sealing component 3 is front wide and rear narrow structure.
The outer adjustment sheet of a kind of axisymmetric vectoring exhaust nozzle provided by the invention, is characterized in that: mainly by outer adjustment sheet leading portion 1, outer adjustment sheet back segment 2, sealing component 3) elastic compression member 4 forms.Be specially:
Outer adjustment sheet leading portion 1 front end is connected to the A rear end of axisymmetric vectoring exhaust nozzle by revolute pair; Outer adjustment sheet back segment 2 is connected to outer adjustment sheet leading portion 1 front middle part by revolute pair, and back segment is connected with C by revolute pair or ball pair; The C the other end is connected with B back segment by ball pair or revolute pair; Outer adjustment sheet back segment 2 one sides are connected with sealing component 3 by revolute pair; In the revolute pair that sealing component 3 is connected with outer adjustment sheet back segment 2, be equipped with elastic compression member 4, making has certain pretightening force between sealing component 3 and outer adjustment sheet back segment 2.
Described outer adjustment sheet leading portion 1 outer mold surface and interior profile are plane.
Described outer adjustment sheet leading portion 1 back segment side is semi-cylindrical.
Described outer adjustment sheet back segment 2 outer mold surface and interior profile are plane.
Described outer adjustment sheet back segment 2 front ends are inner concave shape semi-cylindrical.
Described outer adjustment sheet back segment 2 is front wide and rear narrow structure.
Described sealing component 3 outer mold surface and interior profile are plane.
Described sealing component 3 is front wide and rear narrow structure.
Claims (8)
1. the outer adjustment sheet of axisymmetric vectoring exhaust nozzle, is characterized in that: mainly outer adjustment sheet leading portion (1), outer adjustment sheet back segment (2), sealing component (3) and elastic compression member (4), consist of; Be specially:
Outer adjustment sheet leading portion (1) front end is connected to the vector regulating ring rear end of axisymmetric vectoring exhaust nozzle by revolute pair; Outer adjustment sheet back segment (2) is connected to outer adjustment sheet leading portion (1) front middle part by revolute pair, and back segment is connected to vector spray Divergent flap back segment by mechanism, and a side is connected with sealing component (3) by revolute pair; In the revolute pair that sealing component (3) is connected with outer adjustment sheet back segment (2), be equipped with elastic compression member (4), making has certain pretightening force between sealing component (3) and outer adjustment sheet back segment (2).
2. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: outer adjustment sheet leading portion (1) outer mold surface and interior profile are curved surface or plane.
3. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: outer adjustment sheet leading portion (1) back segment side is semi-cylindrical.
4. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: outer adjustment sheet back segment (2) outer mold surface and interior profile are curved surface or plane.
5. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: outer adjustment sheet back segment (2) front end is inner concave shape semi-cylindrical.
6. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: outer adjustment sheet back segment (2) is front wide and rear narrow structure.
7. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: sealing component (3) outer mold surface and interior profile are curved surface or plane.
8. according to the outer adjustment sheet of axisymmetric vectoring exhaust nozzle claimed in claim 1, it is characterized in that: sealing component (3) is front wide and rear narrow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657360.4A CN103696874B (en) | 2013-12-04 | 2013-12-04 | A kind of axisymmetric vectoring exhaust nozzle investigation mission outside the city or town nodal plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657360.4A CN103696874B (en) | 2013-12-04 | 2013-12-04 | A kind of axisymmetric vectoring exhaust nozzle investigation mission outside the city or town nodal plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103696874A true CN103696874A (en) | 2014-04-02 |
| CN103696874B CN103696874B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310657360.4A Active CN103696874B (en) | 2013-12-04 | 2013-12-04 | A kind of axisymmetric vectoring exhaust nozzle investigation mission outside the city or town nodal plate |
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| CN (1) | CN103696874B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505708A (en) * | 2018-11-23 | 2019-03-22 | 中国矿业大学 | A kind of drive mechanism and its control method of miniature three bearings vector spray |
| CN109707531A (en) * | 2018-12-20 | 2019-05-03 | 中国航发四川燃气涡轮研究院 | A kind of spring-compensating structure |
| CN111535937A (en) * | 2020-05-29 | 2020-08-14 | 山东理工大学 | Aviation three-dimensional vector engine tail nozzle |
| CN113250854A (en) * | 2021-04-28 | 2021-08-13 | 中国航发沈阳发动机研究所 | Spray pipe structure |
| CN114776466A (en) * | 2022-04-14 | 2022-07-22 | 中国航发沈阳发动机研究所 | Composite material external adjusting sheet structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030122A (en) * | 1987-06-25 | 1989-01-04 | 联合工艺公司 | The divergent flap actuation system that is used for two-dimensional exhaust nozzles |
| US6327846B1 (en) * | 1999-04-19 | 2001-12-11 | Scnema Moteurs | Universal-joint vectoring system for a turbojet-engine exhaust nozzle |
| US6910328B1 (en) * | 1990-01-26 | 2005-06-28 | Rolls-Royce Plc | Vectorable variable area nozzle |
-
2013
- 2013-12-04 CN CN201310657360.4A patent/CN103696874B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030122A (en) * | 1987-06-25 | 1989-01-04 | 联合工艺公司 | The divergent flap actuation system that is used for two-dimensional exhaust nozzles |
| US6910328B1 (en) * | 1990-01-26 | 2005-06-28 | Rolls-Royce Plc | Vectorable variable area nozzle |
| US6327846B1 (en) * | 1999-04-19 | 2001-12-11 | Scnema Moteurs | Universal-joint vectoring system for a turbojet-engine exhaust nozzle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505708A (en) * | 2018-11-23 | 2019-03-22 | 中国矿业大学 | A kind of drive mechanism and its control method of miniature three bearings vector spray |
| CN109707531A (en) * | 2018-12-20 | 2019-05-03 | 中国航发四川燃气涡轮研究院 | A kind of spring-compensating structure |
| CN111535937A (en) * | 2020-05-29 | 2020-08-14 | 山东理工大学 | Aviation three-dimensional vector engine tail nozzle |
| CN113250854A (en) * | 2021-04-28 | 2021-08-13 | 中国航发沈阳发动机研究所 | Spray pipe structure |
| CN114776466A (en) * | 2022-04-14 | 2022-07-22 | 中国航发沈阳发动机研究所 | Composite material external adjusting sheet structure |
| CN114776466B (en) * | 2022-04-14 | 2024-01-30 | 中国航发沈阳发动机研究所 | Composite material outer adjusting piece structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103696874B (en) | 2016-06-01 |
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