CN114562380A - Rotatable formula pressurized strut long-distance adjustable bleed nozzle - Google Patents
Rotatable formula pressurized strut long-distance adjustable bleed nozzle Download PDFInfo
- Publication number
- CN114562380A CN114562380A CN202210037123.7A CN202210037123A CN114562380A CN 114562380 A CN114562380 A CN 114562380A CN 202210037123 A CN202210037123 A CN 202210037123A CN 114562380 A CN114562380 A CN 114562380A
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- Prior art keywords
- rod
- pole
- hinged
- adjusting sheet
- turning 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
- 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
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- 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
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- 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 design of aircraft engines, and particularly relates to a long-distance adjustable bleed air nozzle of a rotatable actuator cylinder, which comprises a turning section, a driving adjusting sheet and a driven adjusting sheet, wherein the turning section can circumferentially rotate; the upper end of the active adjusting sheet is hinged with an actuating cylinder through a pull rod, the middle part of the active adjusting sheet is fixedly hinged with a turning section, and a second rod is hinged close to the lower end of the active adjusting sheet; the actuating cylinder is fixedly arranged on the turning section through an actuating cylinder mounting seat; the upper end of the driven adjusting sheet is hinged with the turning section, the middle part of the driven adjusting sheet is hinged with a fifth rod, and the fifth rod is hinged with the 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 rod, and the upper end articulates there is the first pole, and the fourth rod articulates the turn section respectively with the first pole, and its rod-shaped structure can be according to the different angles of the different adjustment tabs of pole length regulation when realizing the size of adjustment tab, and every adjustment tab has different strokes under same power supply, satisfies various design demands.
Description
Technical Field
The application belongs to the field of aircraft engine design, and in particular relates to a rotatable actuator cylinder long-distance adjustable bleed air spray pipe.
Background
The short-distance takeoff/vertical landing fighter combines the advantages of the fixed wing and the rotary wing aircraft, and has stronger attack capability and the short-distance takeoff/vertical landing capability which cannot be compared with the traditional fighter. The function of the traditional spray pipe is mainly to enable the gas after the turbine to continue to expand, fully change the residual enthalpy in the gas into kinetic energy, and enable the gas to be sprayed out from a nozzle at a high speed so as to obtain the thrust required by the flight of an airplane. The short take-off/vertical landing fighter needs not only horizontal thrust but also upward lift force, and simultaneously needs to have the functions of adjusting the flight attitude of the aircraft, preventing the overturn of the airframe in the vertical take-off and landing process and achieving safe vertical take-off and landing. Therefore, research 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 existing spray pipe cannot realize synchronous motion of the upper and lower convergence adjusting sheets. The deflection of the upper and lower convergence sections is independently controlled by the respective actuators, which puts high demands on the control system. The problems of complex mechanism, poor synchronism and low reliability exist.
Disclosure of Invention
In order to solve the above problem, the present application provides a bleed air nozzle with a rotatable actuator cylinder and a long distance, comprising:
the whole turning section is of a bent tubular structure;
the active adjusting sheet and the driven adjusting sheet are arranged on the end face of the turning section;
the upper end of the active adjusting sheet is hinged with the actuating cylinder through a pull rod, the middle part of the active adjusting sheet is fixedly hinged with a turning section, and a second rod is hinged close to the lower end of the active adjusting sheet; the cooperation of pull rod and pressurized strut can reduce the formation of pressurized strut in the space to can reduce the height of pressurized strut mount pad, can effectively improve the atress effect of initiative adjustment sheet.
The actuating cylinder is fixedly arranged on the turning section through an actuating cylinder mounting seat;
the upper end of the driven adjusting sheet is hinged with the turning section, the middle part of the driven adjusting sheet is hinged with a fifth rod, and the fifth rod is hinged with the 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 turn section is articulated respectively with the first pole to the fourth pole.
The turning section is connected with the main body section of the spray pipe through the front end of the spray pipe, the outer wall of the front end of the spray pipe is provided with a circumferential gear, the outer wall of the main body section of the spray pipe is provided with a power source, and the power source is meshed with the circumferential gear through a small gear arranged so that the front end of the spray pipe rotates relative to the main body section of the spray pipe.
Preferably, the fifth lever is hinged to the second lever by a central point of the third lever, which allows to obtain a better mechanical effect of the device.
Preferably, the fourth rod and the first rod are distributed along the center of the center point in a central symmetry manner, the lengths of the fourth rod and the first rod are the same, and the fourth rod and the first rod are also distributed in a central symmetry manner above the positions, so that the center points of the rods connecting the fourth rod and the first rod can keep a straight line and a movement point with a unique position, and the corresponding position can be adjusted according to the specific requirements of the adjusting sheet.
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 sheet or the driven adjusting sheet is of a symmetrical structure, so that the structure is more stable.
Preferably, the turning section is integrally bent by 90 degrees, and the 90-degree bending is used for corresponding to the ground 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 sheet 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 improved.
Preferably, the upper end and the lower end of the third rod are of a double-lug structure, the middle of the third rod is of a hollow cuboid structure, and other rod pieces can conveniently pass through the hollow structure without interference.
Preferably, the second rod has a rectangular through hole in the middle thereof, and the first rod is hinged to the third rod through the rectangular through hole.
Preferably, the length of fifth rod equals the length of second rod, and when two vanes need be synchronous, the length of fifth rod equals the length of second rod and conveniently realizes synchro control.
The advantages of the present application include: 1. a vertical bleed nozzle is provided and powered by an actuator cylinder. 2. The utility model provides a rod-like structure can adjust the different angles of different adjustment tabs according to the pole length when realizing the size of adjustment tab, and every adjustment tab has different strokes under same power supply, satisfies various design demands. 3. The connecting rod mechanism can realize self-locking of the adjusting sheet under the condition of different rod lengths, and working pressure of the actuating cylinder is reduced.
Drawings
Figure 1 is a schematic view of a rotatable ram long range adjustable bleed nozzle according to a preferred embodiment of the present application;
FIG. 2 is a perspective view of a third rod of a preferred embodiment of the present application;
FIG. 3 is a perspective view of a second rod of a preferred embodiment of the present application;
FIG. 4 is a schematic view of a preferred embodiment of the present application showing the assembly of the connecting rod;
the device comprises a first rod 1, a second rod 2, a third rod 3, a fourth rod 4, a fifth rod 5, a nozzle front end 6, a turning section 7, a cylinder mounting seat 8, a cylinder 9, a driving adjusting sheet 10, a driven adjusting sheet 11, a pull rod 12, a circumferential gear 14, a pinion 15, a power source 16 and a nozzle main body section 17.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying 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 embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
As shown in figure 1, a variable length bleed nozzle for a rotatable ram comprising:
the turning section 7, the whole turning section 7 is of a bent tubular structure;
the active adjusting sheet 10 and the driven adjusting sheet 11 are arranged on the end surface of the turning section 7;
the upper end of the active adjusting sheet is hinged with the actuating cylinder through a pull rod, the middle part of the active adjusting sheet is fixedly hinged with a turning section, and a second rod is hinged close to the lower end of the active adjusting sheet; the matching of the pull rod and the actuator cylinder can reduce the formation of the actuator cylinder in space, reduce the height of the actuator cylinder mounting seat and effectively improve the stress effect of the active adjusting sheet;
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 sheet 11 is hinged with the turning section 7, the middle part of the driven adjusting sheet is hinged with a fifth rod 5, and the fifth rod 5 is hinged with the second rod 2;
the hinged part of the fifth rod 5 and the second rod 2 is also hinged with a third rod 3, the hinged part 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 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 fig. 4.
The turning section 7 is connected with a spraying pipe main body section 17 through the spraying pipe front end 6, a circumferential gear 14 is arranged on the outer wall of the spraying pipe front end 6, a power source 16 is installed on the outer wall of the spraying pipe main body section 17, the power source 16 is meshed with the circumferential gear 14 through a small gear 15 installed, the spraying pipe front end 6 rotates relative to the spraying pipe main body section 17, the turning section can rotate circumferentially, and the application is wider.
In some alternative embodiments, the fifth bar 5 is hinged to the second bar 2 at the centre point of the third bar 3, which allows to obtain a better mechanical effect of the device.
In some optional embodiments, the fourth rods 4 and the first rod 1 are distributed along the center point in a central symmetry manner, the length of the fourth rods 4 is the same as that of the first rod 1, and the fourth rods 4 are also distributed in a central symmetry manner above the position, so that the rod center points connecting the two can keep a straight line and a movement point with a unique position, and the corresponding position can be adjusted according to the specific requirements of the adjusting sheet.
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 plate or the driven adjusting plate is provided with a symmetrical structure, so that the structure can be more stable.
In some optional embodiments, the turning section 7 is integrally bent by 90 degrees, and the 90-degree bending is used for dealing 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 hinge point as the hinge point of the active adjusting piece 10 and the turning section 7, and the hollow structure can facilitate the passage of other rod members without causing interference.
In some alternative embodiments, the structure of said upper end and said lower end of the third bar 3 comprises a double-lug structure, the middle of which is a hollow rectangular parallelepiped structure.
In some alternative embodiments, the second bar 2 has a rectangular through hole in its middle through which the first bar 1 is hinged to the third bar 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 nozzle is powered by an actuator cylinder. The rod-shaped structure can adjust different angles of different adjusting sheets according to the rod length while realizing the size of the adjusting sheets, and each adjusting sheet has different strokes under the same power source, so that various design requirements are met. And the connecting rod mechanism can realize the self-locking of the adjusting sheet under the condition of different rod lengths, thereby reducing the working pressure of the actuating cylinder.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within 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 long adjustable bleed nozzle for a rotatable actuator, comprising:
the turning section (7), the whole turning section (7) is of a bent tubular structure;
the active adjusting sheet (10) and the driven adjusting sheet (11) are arranged on the end surface of the turning section (7);
wherein, the upper end of the active adjusting sheet (10) is hinged with the actuating cylinder (9) through a pull rod (12), the middle part is fixedly hinged with a turning section (7), and a second rod (2) is hinged close to 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 sheet (11) is hinged with a turning section (7), the middle part of the driven adjusting sheet is hinged with a fifth rod (5), and the fifth rod (5) is hinged with the second rod (2);
the articulated department of fifth pole (5) and second pole (2) still articulates there is third pole (3), articulated department is the middle part of third pole (3), and the upper end of third pole (3) articulates there is fourth pole (4), and the upper end articulates there is first pole (1), and fourth pole (4) and first pole (1) articulate turn section (7) respectively.
The turning section (7) is connected with a spraying pipe main body section (17) through a spraying pipe front end (6), a circumferential gear (14) is arranged on the outer wall of the spraying pipe front end (6), a power source (16) is installed on the outer wall of the spraying pipe main body section (17), and the power source (16) is meshed with the circumferential gear (14) through a small gear (15) installed, so that the spraying pipe front end (6) rotates relative to the spraying pipe main body section (17).
2. A rotatable ram long range adjustable bleed nozzle as claimed in claim 1 characterised in that the fifth lever (5) is hinged to the second lever (2) at the centre point of the third lever (3).
3. A rotatable ram long range adjustable bleed nozzle as claimed in claim 2 characterised in that the fourth bar (4) is arranged centrally symmetrically to the first bar (1) along the centre point.
4. A rotatable ram long range adjustable bleed nozzle as claimed in claim 1 characterised in that the first (1), second (2), third (3), fourth (4) and fifth (5) rods are each two in number and symmetrically distributed along the ram (9).
5. A rotatable ram long throw adjustable bleed air nozzle as claimed in claim 1 in which the turn section (7) is wholly 90 degrees curved.
6. The adjustable bleed nozzle with long range of rotatable rams of claim 1 wherein the point of articulation of the first lever (1) with the turnaround section (7) is at the same point of articulation of the active adjustment flap (10) with the turnaround section (7).
7. A rotatable ram long range adjustable bleed air nozzle as claimed in claim 1 characterised in that the configuration of the upper and lower ends of the third bar (3) includes a binaural configuration with a hollow cuboid configuration in the middle.
8. A rotatable ram long range adjustable bleed air nozzle as claimed in claim 1 characterised in that the second bar (2) has a rectangular through hole in its centre through which the first bar (1) is hinged to the third bar (3).
9. A rotatable ram longdistance adjustable bleed air nozzle as claimed in claim 1 characterised in that the length of the fifth bar (5) is equal to the length of the second bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037123.7A CN114562380B (en) | 2022-01-13 | 2022-01-13 | Adjustable gas injection pipe of rotatable actuator cylinder long distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037123.7A CN114562380B (en) | 2022-01-13 | 2022-01-13 | Adjustable gas injection pipe of rotatable actuator cylinder long distance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114562380A true CN114562380A (en) | 2022-05-31 |
| CN114562380B CN114562380B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210037123.7A Active CN114562380B (en) | 2022-01-13 | 2022-01-13 | Adjustable gas injection pipe of rotatable actuator cylinder long distance |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881513A (en) * | 1959-01-17 | 1961-11-01 | Daimler Benz Ag | Improvements relating to turbo-jet propulsion units in aircraft |
| US3429509A (en) * | 1967-05-31 | 1969-02-25 | United Aircraft Corp | Cooling scheme for a three bearing swivel nozzle |
| US3443758A (en) * | 1965-10-29 | 1969-05-13 | Entwicklungsring Sued Gmbh | Swivelable jet nozzle,intended especially for vertical take-off and short take-off planes |
| TW200641240A (en) * | 2005-04-28 | 2006-12-01 | United Technologies Corp | Gas turbine engine air valve assembly |
| CN101985903A (en) * | 2010-09-03 | 2011-03-16 | 清华大学 | Two-stage engine thrust steering mechanism |
| CN109184948A (en) * | 2018-10-11 | 2019-01-11 | 西北工业大学 | It is a kind of for short distance or the vectoring nozzle of vertically taking off and landing flyer |
| CN215370065U (en) * | 2021-02-02 | 2021-12-31 | 南京奎道科技有限公司 | Rotary thrust vectoring nozzle of engine |
-
2022
- 2022-01-13 CN CN202210037123.7A patent/CN114562380B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881513A (en) * | 1959-01-17 | 1961-11-01 | Daimler Benz Ag | Improvements relating to turbo-jet propulsion units in aircraft |
| US3443758A (en) * | 1965-10-29 | 1969-05-13 | Entwicklungsring Sued Gmbh | Swivelable jet nozzle,intended especially for vertical take-off and short take-off planes |
| US3429509A (en) * | 1967-05-31 | 1969-02-25 | United Aircraft Corp | Cooling scheme for a three bearing swivel nozzle |
| TW200641240A (en) * | 2005-04-28 | 2006-12-01 | United Technologies Corp | Gas turbine engine air valve assembly |
| CN101985903A (en) * | 2010-09-03 | 2011-03-16 | 清华大学 | Two-stage engine thrust steering mechanism |
| CN109184948A (en) * | 2018-10-11 | 2019-01-11 | 西北工业大学 | It is a kind of for short distance or the vectoring nozzle of vertically taking off and landing flyer |
| CN215370065U (en) * | 2021-02-02 | 2021-12-31 | 南京奎道科技有限公司 | Rotary thrust vectoring nozzle of engine |
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| Publication number | Publication date |
|---|---|
| CN114562380B (en) | 2023-05-05 |
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