CN114562382B - Short-distance adjustable air-guiding spray pipe of actuator cylinder - Google Patents
Short-distance adjustable air-guiding spray pipe of actuator cylinder Download PDFInfo
- Publication number
- CN114562382B CN114562382B CN202210037353.3A CN202210037353A CN114562382B CN 114562382 B CN114562382 B CN 114562382B CN 202210037353 A CN202210037353 A CN 202210037353A CN 114562382 B CN114562382 B CN 114562382B
- Authority
- CN
- China
- Prior art keywords
- rod
- hinged
- turning section
- pole
- adjusting piece
- 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.)
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Links
- 239000007921 spray Substances 0.000 title abstract description 12
- 238000005452 bending Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000010485 coping Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/002—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector
- F02K1/008—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto with means to modify the direction of thrust vector in any rearward direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/06—Varying effective area of jet pipe or nozzle
- F02K1/11—Varying effective area of jet pipe or nozzle by means of pivoted eyelids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
Abstract
The application belongs to the field of aeroengine design, and particularly relates to a short-distance adjustable air-entraining spray pipe of an actuator cylinder, a turning section and a bending section, wherein the whole turning section is of a bent tubular structure; a driving adjusting piece and a driven adjusting piece which are arranged at the end face of the turning section; wherein, the upper end of the active adjusting piece is hinged with an actuator cylinder, the middle part is fixedly hinged with a turning section, and a second rod is hinged near the lower end; the actuating cylinder is fixedly arranged on the turning section through an actuating cylinder mounting seat; the upper end of the driven adjusting piece is hinged with the turning section, the middle part of the driven adjusting piece is hinged with a fifth rod, and the fifth rod is hinged with a second rod; the articulated department of fifth pole and second pole still articulates there is the third pole, articulated department is the middle part of third pole, and the upper end of third pole articulates there is the fourth pole, and the upper end articulates there is the first pole, and the fourth pole articulates the turn section with first pole respectively, and its rod-like structure can be according to the different angles of the long different regulating plates of adjusting plate of adjusting of pole when realizing the size, and every regulating plate has different strokes under same power supply, satisfies various design demands.
Description
Technical Field
The application belongs to the field of aeroengine design, and particularly relates to an actuating cylinder short-distance adjustable air-entraining spray pipe.
Background
The short-distance take-off/vertical landing fighter combines the advantages of the fixed wing and the rotorcraft, and has stronger attack capability and short-distance take-off/vertical landing capability which is incomparable with the traditional fighter. The traditional spray pipe has the functions of enabling the fuel gas after the turbine to expand continuously, fully changing the residual enthalpy in the fuel gas into kinetic energy, and enabling the fuel gas to be sprayed out of the spray nozzle at a high speed so as to obtain the thrust required by the flight of the aircraft. For a short-distance take-off/vertical landing fighter, not only horizontal thrust but also upward lifting force is needed, and meanwhile, the aircraft has the functions of adjusting the flight attitude of the aircraft and preventing the overturning of the aircraft body in the vertical take-off and landing process so as to achieve safe vertical take-off and landing. Thus, a study in this respect is required.
The vector adjustment range of the existing spray pipe scheme is limited, and the vertical upward lifting force cannot be provided. In addition, the synchronous movement of the convergence adjusting pieces at the upper side and the lower side cannot be realized by the existing spray pipe. Deflection of the upper and lower converging sections is independently controlled by respective actuators, and high requirements are put on a control system. The problems of complex mechanism, poor synchronism and low reliability exist.
Disclosure of Invention
In order to solve the above-mentioned problem, this application provides an adjustable air injection pipe of actuator cylinder short distance, includes:
the whole turning section is of a bent tubular structure;
a driving adjusting piece and a driven adjusting piece which are arranged at the end face of the turning section;
wherein, the upper end of the active adjusting piece is hinged with an actuator cylinder, the middle part is fixedly hinged with a turning section, and a second rod is hinged near the lower end;
the actuating cylinder is fixedly arranged on the turning section through an actuating cylinder mounting seat;
the upper end of the driven adjusting piece is hinged with the turning section, the middle part of the driven adjusting piece is hinged with a fifth rod, and the fifth rod is hinged with a second rod;
the hinge joint of the fifth rod and the second rod is also hinged with a third rod, the hinge joint is the middle part of the third rod, the upper end of the third rod is hinged with a fourth rod, the upper end of the third rod is hinged with a first rod, and the fourth rod and the first rod are respectively hinged with a turning section.
Preferably, the fifth rod is hinged to the second rod at a centre point of the third rod, the hinged centre point enabling the device to obtain a better mechanical effect.
Preferably, the fourth pole and the first pole are along central point central symmetry distributes, and the fourth pole is the same with first pole length to also central symmetry distributes on the position, just can make the pole central point that connects both keep straight line and the unique motion point in position, this application can be according to the specific demand adjustment of regulating plate corresponding position.
Preferably, the first rod, the second rod, the third rod, the fourth rod and the fifth rod are respectively provided with two rods and symmetrically distributed along the actuating cylinders, specifically, one actuating cylinder simultaneously meets the power requirements of two sides, and the driving adjusting piece or the driven adjusting piece is of a symmetrical structure, so that the structure is more stable.
Preferably, the turning section is bent at 90 degrees as a whole, and the bending at 90 degrees is used for coping with the working scene of the spray pipe.
Preferably, the hinge point of the first rod and the turning section and the hinge point of the active adjusting piece and the turning section are the same hinge point, so that the hinge point is reduced, and the use efficiency of the position space can be increased.
Preferably, the structure of the upper end and the lower end of the third rod comprises a double-lug structure, the middle part of the third rod is of a hollow cuboid structure, and other rod pieces can pass through the hollow structure conveniently without interference.
Preferably, the second rod has a rectangular through hole in the middle thereof, through which the first rod is hinged to the third rod.
Preferably, the length of the fifth rod is equal to the length of the second rod, and when the two adjusting pieces need to be synchronized, the length of the fifth rod is equal to the length of the second rod, so that synchronous control is conveniently realized.
The advantages of the present application include: 1. a vertical bleed air nozzle is provided and is powered by an actuator cylinder. 2. The rod-shaped structure of the adjusting plate can adjust different angles of different adjusting plates according to the length of the rod while realizing the size of the adjusting plate, and each adjusting plate has different strokes under the same power source, so that various design requirements are met. 3. The connecting rod mechanism can realize self-locking of the adjusting piece under the condition of different rod lengths, and reduces the working pressure of the actuating cylinder.
Drawings
FIG. 1 is a schematic illustration of a short range adjustable bleed air nozzle of a preferred embodiment actuator of the present application;
FIG. 2 is a perspective view of a third lever according to a preferred embodiment of the present application;
FIG. 3 is a perspective view of a second rod according to a preferred embodiment of the present application;
FIG. 4 is a schematic illustration of a connecting rod assembly according to a preferred embodiment of the present application;
the device comprises a first rod, a second rod, a third rod, a fourth rod, a fifth rod, a spray pipe, a front end, a turning section, an actuating cylinder mounting seat, an actuating cylinder, a driving adjusting piece and a driven adjusting piece, wherein the first rod, the second rod, the third rod, the fourth rod, the fifth rod, the front end of the spray pipe, the turning section, the actuating cylinder mounting seat, the actuating cylinder, the driving adjusting piece and the driven adjusting piece are arranged in sequence, and the driving adjusting piece and the driven adjusting piece are arranged in sequence.
Detailed Description
For the purposes, technical solutions and advantages of the present application, the following describes the technical solutions in the embodiments of the present application in more detail with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the seed cylinder short-distance adjustable pilot gas injection tube comprises:
the turning section 7 is integrally of a bent tubular structure;
a driving adjusting piece 10 and a driven adjusting piece 11 which are arranged at the end face of the turning section 7;
wherein, the upper end of the active adjusting piece 10 is hinged with an actuator cylinder 9, the middle part is fixedly hinged with a turning section 7, the part diagram of the second rod 2 is shown in figure 3, and the part diagram of the second rod 2 is hinged with the second rod 2 near the lower end;
the actuator cylinder 9 is fixedly arranged on the turning section 7 through an actuator cylinder mounting seat 8;
the upper end of the driven adjusting piece 11 is hinged with the turning section 7, the middle part is hinged with a fifth rod 5, and the fifth rod 5 is hinged with a second rod 2;
the hinge joint of the fifth rod 5 and the second rod 2 is also hinged with a third rod 3, the hinge joint is the middle part of the third rod 3, the upper end of the third rod 3 is hinged with a fourth rod 4, the upper end of the third rod is hinged with a first rod 1, the fourth rod 4 and the first rod 1 are respectively hinged with a turning section 7, and the connecting rod connection perspective view is shown in figure 4.
In some alternative embodiments, the fifth rod 5 is hinged to the second rod 2 at a central point of the third rod 3, the hinged central point enabling the device to obtain a better mechanical effect.
In some alternative embodiments, the fourth rod 4 and the first rod 1 are distributed along the center of the center point in a central symmetry manner, when the length of the fourth rod 4 is the same as that of the first rod 1, and the fourth rod 4 is also distributed above the position in a central symmetry manner, so that the rod center point connecting the fourth rod 4 and the first rod can keep a straight line and the movement point with a unique position, and the corresponding position can be adjusted according to the specific requirement of the adjusting piece.
In some alternative embodiments, the first rod 1, the second rod 2, the third rod 3, the fourth rod 4 and the fifth rod 5 are respectively provided with two rods and symmetrically distributed along the actuating cylinder 9, specifically, one actuating cylinder simultaneously meets the power requirement of two sides, and the driving adjusting piece or the driven adjusting piece has symmetrical structures, so that the structure is more stable.
In some alternative embodiments, the turning section 7 is bent at 90 degrees, and the bending at 90 degrees is used for coping with the ground working scene of the spray pipe, so that the hinge point is reduced, and the use efficiency of the position space can be improved.
In some alternative embodiments, the hinge point of the first rod 1 and the turning section 7 is the same as the hinge point of the active adjusting piece 10 and the turning section 7, and the hollow structure can enable other rods to pass conveniently without interference.
In some alternative embodiments, the structure of the upper end and the lower end of the third rod 3 includes a binaural structure, and the middle part of the structure is a hollow cuboid structure.
In some alternative embodiments, the middle part of the second rod 2 has a rectangular through hole through which the first rod 1 is hinged to the third rod 3, as shown in fig. 2.
In some alternative embodiments, the length of the fifth rod 5 is equal to the length of the second rod 2.
The vertical bleed air nozzle of the present application is powered by an actuator cylinder. The rod-shaped structure can adjust different angles of different adjusting plates according to the length of the rod while realizing the size of the adjusting plates, and each adjusting plate has different strokes under the same power source, so that various design requirements are met. And the connecting rod mechanism can realize self-locking of the adjusting piece under the condition of different rod lengths, so that the working pressure of the actuating cylinder is reduced.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present application should be covered in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. An actuator short-range adjustable bleed air nozzle, comprising:
the turning section (7), the whole turning section (7) is of a curved tubular structure;
a driving adjusting piece (10) and a driven adjusting piece (11) which are arranged at the end face of the turning section (7);
wherein, the upper end of the active adjusting piece (10) is hinged with an actuating cylinder (9), the middle part is fixedly hinged with a turning section (7), and a second rod (2) is hinged near the lower end;
the actuating cylinder (9) is fixedly arranged on the turning section (7) through an actuating cylinder mounting seat (8);
the upper end of the driven adjusting piece (11) is hinged with a turning section (7), the middle part of the driven adjusting piece is hinged with a fifth rod (5), and the fifth rod (5) is hinged with a second rod (2);
the hinge joint of the fifth rod (5) and the second rod (2) is also hinged with a third rod (3), the hinge joint is the middle part of the third rod (3), the upper end of the third rod (3) is hinged with a fourth rod (4), the lower end of the third rod is hinged with a first rod (1), and the fourth rod (4) and the first rod (1) are respectively hinged with a turning section (7).
2. Actuator cylinder short-range adjustable bleed air nozzle according to claim 1, characterized in that the fifth lever (5) is hinged to the second lever (2) at the centre point of the third lever (3).
3. The ram short-range adjustable bleed air nozzle as claimed in claim 2, characterized in that the fourth lever (4) is distributed centrally symmetrically with respect to the first lever (1) along the center point.
4. The ram short-range adjustable bleed air nozzle as claimed in claim 1, characterized in that the first (1), the second (2), the third (3), the fourth (4) and the fifth (5) lever are each provided with two and are symmetrically distributed along the ram (9).
5. Actuator cylinder short distance adjustable bleed air nozzle according to claim 1, characterized in that the turning section (7) is bent over as a whole by 90 degrees.
6. The actuator cylinder short-distance adjustable air entraining nozzle according to claim 1, characterized in that the hinge point of the first rod (1) and the turning section (7) is the same hinge point as the hinge point of the active adjusting piece (10) and the turning section (7).
7. The ram short-range adjustable bleed air nozzle according to claim 1, characterized in that the structure of the upper end and the lower end of the third lever (3) comprises a binaural structure, the middle of which is a hollow cuboid structure.
8. Actuator cylinder short-range adjustable bleed air nozzle according to claim 1, characterized in that the middle part of the second lever (2) has a rectangular through hole through which the first lever (1) is hinged to the third lever (3).
9. Actuator cylinder short adjustable bleed air nozzle according to claim 1, characterized in that the length of the fifth lever (5) is equal to the length of the second lever (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037353.3A CN114562382B (en) | 2022-01-13 | 2022-01-13 | Short-distance adjustable air-guiding spray pipe of actuator cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037353.3A CN114562382B (en) | 2022-01-13 | 2022-01-13 | Short-distance adjustable air-guiding spray pipe of actuator cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114562382A CN114562382A (en) | 2022-05-31 |
| CN114562382B true CN114562382B (en) | 2024-01-30 |
Family
ID=81711934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037353.3A Active CN114562382B (en) | 2022-01-13 | 2022-01-13 | Short-distance adjustable air-guiding spray pipe of actuator cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114562382B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88101072A (en) * | 1987-02-27 | 1988-09-07 | 联合工艺公司 | Exhaust nozzle flap assembly |
| US5359851A (en) * | 1992-11-25 | 1994-11-01 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation (S.N.E.C.M.A.) | Variable geometry exhaust nozzle for a turbojet engine |
| JPH06330815A (en) * | 1993-05-21 | 1994-11-29 | Ishikawajima Harima Heavy Ind Co Ltd | Two dimensional exhaust nozzle |
| FR2734323A1 (en) * | 1985-04-17 | 1996-11-22 | Snecma | Two-dimensional jet engine outlet control system |
| US6360527B1 (en) * | 1999-04-15 | 2002-03-26 | Snecma Moteurs | Axisymmetric, converging-diverging exhaust nozzle swiveled by a guided ring |
| CN103334850A (en) * | 2013-06-26 | 2013-10-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Connecting rod type two-dimensional jet pipe contraction section control mechanism |
| CN104963786A (en) * | 2015-07-07 | 2015-10-07 | 中国航空工业集团公司沈阳发动机设计研究所 | Transmission control mechanism for retracting and expanding adjusting piece |
| CN113847162A (en) * | 2021-10-22 | 2021-12-28 | 中国航发沈阳发动机研究所 | Dragonfly formula vertical take-off and landing spray tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102021464B1 (en) * | 2019-04-10 | 2019-09-16 | 라인테크닉스 주식회사 | Quick Exhaust Apparatus |
-
2022
- 2022-01-13 CN CN202210037353.3A patent/CN114562382B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734323A1 (en) * | 1985-04-17 | 1996-11-22 | Snecma | Two-dimensional jet engine outlet control system |
| CN88101072A (en) * | 1987-02-27 | 1988-09-07 | 联合工艺公司 | Exhaust nozzle flap assembly |
| US5359851A (en) * | 1992-11-25 | 1994-11-01 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation (S.N.E.C.M.A.) | Variable geometry exhaust nozzle for a turbojet engine |
| JPH06330815A (en) * | 1993-05-21 | 1994-11-29 | Ishikawajima Harima Heavy Ind Co Ltd | Two dimensional exhaust nozzle |
| US6360527B1 (en) * | 1999-04-15 | 2002-03-26 | Snecma Moteurs | Axisymmetric, converging-diverging exhaust nozzle swiveled by a guided ring |
| CN103334850A (en) * | 2013-06-26 | 2013-10-02 | 中国航空工业集团公司沈阳发动机设计研究所 | Connecting rod type two-dimensional jet pipe contraction section control mechanism |
| CN104963786A (en) * | 2015-07-07 | 2015-10-07 | 中国航空工业集团公司沈阳发动机设计研究所 | Transmission control mechanism for retracting and expanding adjusting piece |
| CN113847162A (en) * | 2021-10-22 | 2021-12-28 | 中国航发沈阳发动机研究所 | Dragonfly formula vertical take-off and landing spray tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114562382A (en) | 2022-05-31 |
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