CN114576035B - Long-distance adjustable air-guiding spray pipe of rotatable motor - Google Patents
Long-distance adjustable air-guiding spray pipe of rotatable motor Download PDFInfo
- Publication number
- CN114576035B CN114576035B CN202210037381.5A CN202210037381A CN114576035B CN 114576035 B CN114576035 B CN 114576035B CN 202210037381 A CN202210037381 A CN 202210037381A CN 114576035 B CN114576035 B CN 114576035B
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- China
- Prior art keywords
- rod
- hinged
- adjusting piece
- turning section
- lever
- 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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- 239000007921 spray Substances 0.000 title claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 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
Abstract
The application belongs to the field of aeroengine design, and particularly relates to a rotatable motor long-distance adjustable air-entraining spray pipe, which comprises a turning section, wherein the turning section can circumferentially rotate, and a driving adjusting piece and a driven adjusting piece; the upper end of the active adjusting piece is hinged with a pull rod, the pull rod is hinged with a motor through a rocker arm, the middle part of the active adjusting piece is fixedly hinged with a turning section, and a second rod is hinged near the lower end of the active adjusting piece; 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 a long-distance adjustable air-entraining spray pipe of a rotatable motor.
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. The deflection of the convergence sections at the upper side and the lower side is independently controlled by respective motors, 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, the present application provides a rotatable motor long-range adjustable bleed air nozzle, including:
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;
the upper end of the active adjusting piece is hinged with a pull rod, the pull rod is hinged with a motor through a rocker arm, the middle part of the active adjusting piece is fixedly hinged with a turning section, and a second rod is hinged near the lower end of the active adjusting piece; the motor can adopt ultrasonic motor, and it has high characteristics of turning round low-speed to under the circumstances of increasing the pull rod, can make pull rod and initiative regulating plate have less pressure angle, thereby obtain better transmission effect, the motor can have better control effect simultaneously, also can have less volume.
The motor is fixedly arranged on the turning section;
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.
The turning section is connected with the nozzle main body section through the front end of the nozzle, the outer wall of the front end of the nozzle is provided with a circumferential gear, the outer wall of the nozzle main body section is provided with a power source, and the power source is meshed with the circumferential gear through a pinion arranged, so that the front end of the nozzle rotates relative to the nozzle main body 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 motor, specifically, one motor simultaneously meets the power requirement of two sides, and the driving adjusting piece or the driven adjusting piece has 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 powered by a motor. 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 motor.
Drawings
FIG. 1 is a schematic illustration of a rotatable motor long range adjustable bleed air duct in accordance with a preferred embodiment 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 front end of a 6-spray pipe, a 7-turning section, a 9-motor, a 10-driving adjusting piece, a 11-driven adjusting piece, a 12-rocker arm, a 13-pull rod, a 14-circumferential gear, a 15-pinion, a 16-power source and a 17-spray pipe main body section, wherein the first rod, the second rod, the third rod, the fourth rod, the fifth rod and the fifth rod 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.
A rotatable motor long range adjustable bleed air nozzle as shown in figure 1 comprising:
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 a pull rod 13, the pull rod 13 is hinged with a motor 9 through a rocker arm 12, the middle part of the active adjusting piece 10 is fixedly hinged with a turning section 7, and a second rod 2 is hinged near the lower end;
the motor 9 is fixedly mounted on the turn section 7.
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, the fifth rod 5 is hinged with a second rod 2, and the second rod is shown in figure 3;
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, and the fourth rod 4 and the first rod 1 are respectively hinged with a turning section 7.
The turning section 7 is connected with the nozzle main body section 17 through the nozzle front end 6, the peripheral gear 14 is arranged on the outer wall of the nozzle front end 6, the power source 16 is arranged on the outer wall of the nozzle main body section 17, the power source 16 is meshed with the peripheral gear 14 through the arranged pinion 15, the nozzle front end 6 rotates relative to the nozzle main body section 17, the turning section can rotate circumferentially, and the application is wider.
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, the connection of the links being shown in fig. 4.
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 motor 9, specifically, one motor meets the power requirement of two sides at the same time, 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, as shown in fig. 2, the structure of the upper end and the lower end of the third rod 3 includes a binaural structure, and a middle portion thereof 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.
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 a motor. 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 regulating piece under the condition of different rod lengths, so that the working pressure of the motor 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. A rotatable motor long-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);
the upper end of the active adjusting piece (10) is hinged with a pull rod (13), the pull rod (13) is hinged with a motor (9) through a rocker arm (12), the middle part of the active adjusting piece (10) is fixedly hinged with a turning section (7), and a second rod (2) is hinged near the lower end of the active adjusting piece;
the motor (9) is fixedly arranged on the turning section (7);
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);
a third rod (3) is hinged at the hinge joint of the fifth rod (5) and the second rod (2), the hinge joint is the middle part of the third rod (3), a fourth rod (4) is hinged at the upper end of the third rod (3), a first rod (1) is hinged at the lower end of the third rod, and a turning section (7) is respectively hinged with the fourth rod (4) and the first rod (1);
the turning section (7) is connected with the spray pipe main body section (17) through the spray pipe front end (6), a circumferential gear (14) is arranged on the outer wall of the spray pipe front end (6), a power source (16) is arranged on the outer wall of the spray pipe main body section (17), and the power source (16) is meshed with the circumferential gear (14) through a pinion (15) arranged on the power source, so that the spray pipe front end (6) rotates relative to the spray pipe main body section (17).
2. A rotatable motor long-range adjustable bleed air nozzle as claimed in claim 1, characterized in that the fifth lever (5) is articulated to the second lever (2) at the centre point of the third lever (3).
3. A rotatable motor long-range adjustable bleed air nozzle as claimed in claim 2, characterized in that the fourth lever (4) is distributed centrally symmetrically with the first lever (1) along the centre point.
4. The rotary motor long-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 have two respectively and are distributed symmetrically along the motor (9).
5. A rotatable motor long-range adjustable bleed air nozzle as claimed in claim 1, characterized in that the turning section (7) is bent over as a whole by 90 degrees.
6. A rotary motor long-range adjustable bleed air nozzle as claimed in claim 1, characterized in that the hinge point of the first lever (1) with the turning section (7) is the same hinge point as the hinge point of the active adjusting piece (10) with the turning section (7).
7. A rotatable motor long-range adjustable bleed air nozzle as claimed in 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. A rotatable motor long-range adjustable bleed air nozzle as claimed in 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. A rotatable motor long-range adjustable bleed air nozzle as claimed in 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 |
|---|---|---|---|
| CN202210037381.5A CN114576035B (en) | 2022-01-13 | 2022-01-13 | Long-distance adjustable air-guiding spray pipe of rotatable motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037381.5A CN114576035B (en) | 2022-01-13 | 2022-01-13 | Long-distance adjustable air-guiding spray pipe of rotatable motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114576035A CN114576035A (en) | 2022-06-03 |
| CN114576035B true CN114576035B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037381.5A Active CN114576035B (en) | 2022-01-13 | 2022-01-13 | Long-distance adjustable air-guiding spray pipe of rotatable motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114576035B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2886262A (en) * | 1952-10-23 | 1959-05-12 | Power Jets Res & Dev Ltd | Aircraft jet system with adjustable nozzle |
| GB1435567A (en) * | 1972-07-07 | 1976-05-12 | Ver Flugtechnische Werke | Vertical take-off and landing aircraft |
| US4587804A (en) * | 1983-01-31 | 1986-05-13 | Fuji Jukogyo Kabushiki Kaisha | Device for increasing and deflecting thrust of jet-propulsion engine of V/STOL aircraft |
| CN104033278A (en) * | 2014-06-09 | 2014-09-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Mechanism for controlling throat area of two-dimensional nozzle |
| 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 |
| CN105201685A (en) * | 2015-09-17 | 2015-12-30 | 中国航空工业集团公司沈阳发动机设计研究所 | S-shaped binary spraying pipe having vector deflection function |
| CN109441660A (en) * | 2018-12-14 | 2019-03-08 | 中国航发沈阳发动机研究所 | A kind of dual vector nozzle throat area control mechanism and dual vector jet pipe |
-
2022
- 2022-01-13 CN CN202210037381.5A patent/CN114576035B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2886262A (en) * | 1952-10-23 | 1959-05-12 | Power Jets Res & Dev Ltd | Aircraft jet system with adjustable nozzle |
| GB1435567A (en) * | 1972-07-07 | 1976-05-12 | Ver Flugtechnische Werke | Vertical take-off and landing aircraft |
| US4587804A (en) * | 1983-01-31 | 1986-05-13 | Fuji Jukogyo Kabushiki Kaisha | Device for increasing and deflecting thrust of jet-propulsion engine of V/STOL aircraft |
| CN104033278A (en) * | 2014-06-09 | 2014-09-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Mechanism for controlling throat area of two-dimensional nozzle |
| 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 |
| CN105201685A (en) * | 2015-09-17 | 2015-12-30 | 中国航空工业集团公司沈阳发动机设计研究所 | S-shaped binary spraying pipe having vector deflection function |
| CN109441660A (en) * | 2018-12-14 | 2019-03-08 | 中国航发沈阳发动机研究所 | A kind of dual vector nozzle throat area control mechanism and dual vector jet pipe |
Non-Patent Citations (1)
| Title |
|---|
| 三轴承旋转喷管矢量偏转规律及流场特性研究;刘帅等;推进技术;第36卷(第05期);第656-663页 * |
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| Publication number | Publication date |
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| CN114576035A (en) | 2022-06-03 |
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