CN105201685A - S-shaped binary spraying pipe having vector deflection function - Google Patents
S-shaped binary spraying pipe having vector deflection function Download PDFInfo
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- CN105201685A CN105201685A CN201510591746.9A CN201510591746A CN105201685A CN 105201685 A CN105201685 A CN 105201685A CN 201510591746 A CN201510591746 A CN 201510591746A CN 105201685 A CN105201685 A CN 105201685A
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- spraying pipe
- pressurized strut
- nozzle
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Abstract
The invention relates to the field of a spraying pipe of an aircraft engine, in particular to an S-shaped binary spraying pipe having a vector deflection function. The spraying pipe comprises a cylindrical barrel, a round-to-square section, an S-shaped tube, a spraying pipe outlet adjusting mechanism and a side wall; the front end of the round-to-square section is connected with the cylindrical barrel, the rear end is connected with the S-shaped tube, an outlet in the rear end of the S-shaped tube is connected with the spraying pipe outlet adjusting mechanism; an upper adjusting plate and a lower adjusting plate of the spraying pipe outlet adjusting mechanism are respectively hinged to the rear end outlet of the S-shaped tube; the side wall is fixed in the rear end outlet of the S-shaped tube; an upper actuating tube drives the upper adjusting plate, and a lower actuating tube drives the lower adjusting plate. By adopting the S-shaped binary spraying pipe, the function for adjusting the outlet area of the spraying pipe and the deflecting the vector when the engine stays at different work states can be realized, the weakness that the existing S-shaped spraying pipe is a spraying pipe that cannot be adjusted can be overcome, and the spraying pipe has advantages of simple structure, light weight and high reliability.
Description
Technical field
The present invention relates to aeroengine jet pipe field, be specifically related to a kind of curved two-dimensional nozzle of S with deflection vector function.
Background technique
Along with aircraft improving constantly engine-concealment and maneuverability requirement, require that motor has good infrared signature and larger venturi regulation range, realize the deflection vector of several angle simultaneously.Traditional vector spray can realize adjustment and the deflection vector function of nozzle throat area, but cannot realize motor and have lower infrared intensity value, and stealth effect is poor.And the curved two-dimensional nozzle of S that structure is fixed can realize blocking completely to engine interior high-temperature component, there is good infrared stealth performance, and adjustment and the deflection vector function of motor nozzle exit area under different operating state cannot be met.
Summary of the invention
The object of this invention is to provide a kind of curved two-dimensional nozzle of S with deflection vector function, to solve the uncontrollable problem of current S curved two-dimensional nozzle nozzle exit area.
Technological scheme of the present invention is:
There is the curved two-dimensional nozzle of S of deflection vector function, comprise cylindrical tube, circle turns side, the curved cylindrical shell of S, nozzle exit controlling mechanism and sidewall;
Described cylindrical tube front end is connected with motor, as the supporting member of whole jet pipe;
The described circle side of turning is the changeover portion of circular cross-section and rectangle rounded cross section, the front end of the described circle side of turning is connected with described cylindrical tube rear end, rear end is connected with the front end of the curved cylindrical shell of described S, and the back outlet place of the curved cylindrical shell of described S is connected with described nozzle exit controlling mechanism;
Described nozzle exit controlling mechanism comprises fitting seat, upper pressurized strut, upper connecting rod, upper regulator plate, lower fitting seat, lower pressurized strut, lower link and lower regulator plate;
Described upper regulator plate and lower regulator plate are hinged on the curved cylinder back-end outlet port of described S respectively;
Described sidewall is fixed on the curved cylinder back-end outlet port of described S, for jointly forming outside nozzle inner flow passage with described upper regulator plate and lower regulator plate;
Described upper connecting rod rear end and described upper regulator plate hinged, described lower link rear end and described lower regulator plate hinged;
Described upper fitting seat and described lower fitting seat to be separately fixed on the curved cylindrical shell of described S on lower wall surface;
Described upper pressurized strut and lower pressurized strut front end are fixedly connected on described upper fitting seat and lower fitting seat respectively, rear end respectively with upper connecting rod and lower link front end hinged.
Alternatively, described upper pressurized strut is arranged along described upper regulator plate revolute pair axial direction, and quantity is 1 ~ 4.
Alternatively, described lower pressurized strut is arranged along described lower regulator plate revolute pair axial direction, and quantity is 1 ~ 4.
Alternatively, be connected respectively by bolt between described upper fitting seat with described upper pressurized strut and between described lower fitting seat with described lower pressurized strut.
Alternatively, described upper connecting rod and lower link are connecting rod.
Alternatively, described upper regulator plate and described lower regulator plate back segment carry out sawtooth and repair type.
Alternatively, described sidewall back segment carries out sawtooth and repaiies type.
Alternatively, the curved cylinder back-end of described S exports Aspect Ratio is 2 ~ 6.
Alternatively, the curved two-dimensional nozzle of described S also comprises:
Lobed mixer, be arranged on described cylindrical tube inner, be connected with turbine rear casing mounting edge by bolt, described lobed mixer is annular mixer or non-axis symmetry lobed mixer.
Alternatively, the curved two-dimensional nozzle of described S also comprises:
Tail cone, is arranged on described cylindrical tube inner, is connected by bolt with turbine rear casing mounting edge, and described tail cone is selected from the one in pointed cone, ball cone or truncated cone.
Beneficial effect of the present invention:
The present invention has the curved two-dimensional nozzle of S of deflection vector function, adjustment and the deflection vector function of motor nozzle exit area under different operating state can be realized, and jet pipe internal high temperature parts can be realized block completely from the detection of motor dead astern, there is good infrared stealth performance, compensate for the defect that the curved jet pipe of existing S is non-adjustable jet pipe, take into account the advantage that structure is simple, lightweight, reliability is high simultaneously.
Accompanying drawing explanation
Fig. 1 is the axial view such as survey such as just grade that the present invention has the curved two-dimensional nozzle of S of deflection vector function;
Fig. 2 is the S curved two-dimensional nozzle discharge area adjustment state schematic diagram that the present invention has deflection vector function;
Fig. 3 is the S curved two-dimensional nozzle discharge area adjustment state schematic diagram that the present invention has deflection vector function.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.
As shown in Figure 1 to Figure 3, the invention provides a kind of curved two-dimensional nozzle of S with deflection vector function, comprise cylindrical tube 1, circle turns side 2, the curved cylindrical shell 3 of S, nozzle exit controlling mechanism and sidewall 7.
Cylindrical tube 1 front end is connected with motor, as the supporting member of whole jet pipe.
Circle turns the changeover portion that side's 2 (being also cylindrical shells) are circular cross-section and rectangle rounded cross section, and the front end that circle turns side 2 is connected with cylindrical tube 1 back-end sealing, and the rear end that circle turns side 2 is connected with the forward end seal of the curved cylindrical shell 3 of S.
S curved cylindrical shell 3 back outlet shape can carry out the selection be applicable to as required, and in the present embodiment, the Aspect Ratio in its outlet port is 2 ~ 6; Further, nozzle exit controlling mechanism is connected with at S curved cylindrical shell 3 back outlet place; Nozzle exit controlling mechanism comprises fitting seat 4, upper pressurized strut 5, upper connecting rod 6, upper regulator plate 8, lower fitting seat 11, lower pressurized strut 12, lower link 13 and lower regulator plate 14.
Upper regulator plate 8 and lower regulator plate 14 are hinged on upper-lower position place of S curved cylindrical shell 3 back outlet place respectively.
Sidewall 7 comprises two pieces that are symmetrical set, and is fixed on S curved cylindrical shell 3 back outlet place, for jointly forming outside nozzle inner flow passage with upper regulator plate 8 and lower regulator plate 14.Further, sidewall 7 back segment can be carried out sawtooth and repair type.
Upper connecting rod 6 rear end and upper regulator plate 8 hinged, lower link 13 rear end and lower regulator plate 14 hinged; Upper fitting seat 4 and lower fitting seat 11 to be separately fixed on the curved cylindrical shell 3 of S on lower wall surface.Wherein, upper connecting rod 6 and lower link 13 are to be multiple applicable structure, in the present embodiment, are preferably connecting rod.
Upper pressurized strut 5 and lower pressurized strut 12 front end are fixedly connected on fitting seat 4 and lower fitting seat 11 respectively, rear end respectively with upper connecting rod 6 and lower link 13 front end hinged.Wherein, the set-up mode of upper pressurized strut 5 and lower pressurized strut 12 and quantity can enter applicable selection as required, and in the present embodiment, preferably upper pressurized strut 5 is arranged along described upper regulator plate 8 revolute pair axial direction, and quantity is 1 ~ 4; Equally, lower pressurized strut 12 is arranged along described lower regulator plate 14 revolute pair axial direction, and quantity is 1 ~ 4.
Further, be connected respectively by bolt between upper fitting seat 4 with upper pressurized strut 5 and between lower fitting seat 11 with lower pressurized strut 12.In addition, upper regulator plate 8 and lower regulator plate 14 back segment can also be carried out sawtooth and repair type.
The present invention has the curved two-dimensional nozzle of S of deflection vector function, by upper pressurized strut 5 and lower pressurized strut 12 adjustment to upper regulator plate 8 and lower regulator plate 14, adjustment and the deflection vector function of motor nozzle exit area under different operating state can be realized, and jet pipe internal high temperature parts can be realized block completely from the detection of motor dead astern, there is good infrared stealth performance, compensate for the defect that the curved jet pipe of existing S is non-adjustable jet pipe, take into account the advantage that structure is simple, lightweight, reliability is high simultaneously.
The present invention has in the curved two-dimensional nozzle of S of deflection vector function, also comprises lobed mixer 9; It is inner that lobed mixer 9 is arranged on cylindrical tube 1, and be connected with turbine rear casing mounting edge by bolt, lobed mixer 9 is annular mixer or non-axis symmetry lobed mixer.Further, the curved two-dimensional nozzle of S also comprises tail cone 10, is arranged on cylindrical tube 1 inner, is connected by bolt with turbine rear casing mounting edge, and tail cone 10 is selected from as the one in pointed cone, ball cone or truncated cone.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. there is the curved two-dimensional nozzle of S of deflection vector function, it is characterized in that, comprise cylindrical tube (1), circle turn side (2), the curved cylindrical shell of S (3), nozzle exit controlling mechanism and sidewall (7);
Described cylindrical tube (1) front end is connected with motor, as the supporting member of whole jet pipe;
The described circle side of turning (2) is the changeover portion of circular cross-section and rectangle rounded cross section, the front end of the described circle side of turning (2) is connected with described cylindrical tube (1) rear end, rear end is connected with the front end of the curved cylindrical shell of described S (3), and the back outlet place of the curved cylindrical shell of described S (3) is connected with described nozzle exit controlling mechanism;
Described nozzle exit controlling mechanism comprises fitting seat (4), upper pressurized strut (5), upper connecting rod (6), upper regulator plate (8), lower fitting seat (11), lower pressurized strut (12), lower link (13) and lower regulator plate (14);
Described upper regulator plate (8) and lower regulator plate (14) are hinged on the curved cylindrical shell of described S (3) back outlet place respectively;
Described sidewall (7) is fixed on the curved cylindrical shell of described S (3) back outlet place, for jointly forming outside nozzle inner flow passage with described upper regulator plate (8) and described lower regulator plate (14);
Described upper connecting rod (6) rear end and described upper regulator plate (8) hinged, described lower link (13) rear end and described lower regulator plate (14) hinged;
Described upper fitting seat (4) and described lower fitting seat (11) are separately fixed on the upper lower wall surface of the curved cylindrical shell of described S (3);
Described upper pressurized strut (5) and lower pressurized strut (12) front end are fixedly connected on described upper fitting seat (4) and described lower fitting seat (11) respectively, rear end respectively with described upper connecting rod (6) and described lower link (13) front end hinged.
2. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, described upper pressurized strut (5) is arranged along described upper regulator plate (8) revolute pair axial direction, and quantity is 1 ~ 4.
3. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, described lower pressurized strut (12) is arranged along described lower regulator plate (14) revolute pair axial direction, and quantity is 1 ~ 4.
4. the curved two-dimensional nozzle of S according to claim 1, it is characterized in that, be connected respectively by bolt between described upper fitting seat (4) with described upper pressurized strut (5) and between described lower fitting seat (11) with described lower pressurized strut (12).
5. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, described upper connecting rod (6) and lower link (13) are connecting rod.
6. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, described upper regulator plate (8) and described lower regulator plate (14) back segment carry out sawtooth and repair type.
7. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, described sidewall (7) back segment carries out sawtooth and repaiies type.
8. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, the curved cylindrical shell of described S (3) back outlet Aspect Ratio is 2 ~ 6.
9. the curved two-dimensional nozzle of S according to claim 1, is characterized in that, also comprise:
Lobed mixer (9), be arranged on described cylindrical tube (1) inner, be connected with turbine rear casing mounting edge by bolt, described lobed mixer (9) is annular mixer or non-axis symmetry lobed mixer.
10. the curved two-dimensional nozzle of S according to claim 9, is characterized in that, also comprise:
Tail cone (10), is arranged on described cylindrical tube (1) inner, is connected by bolt with turbine rear casing mounting edge, and described tail cone (10) is selected from the one in pointed cone, ball cone or truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591746.9A CN105201685B (en) | 2015-09-17 | 2015-09-17 | A kind of curved two-dimensional nozzles of S with deflection vector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510591746.9A CN105201685B (en) | 2015-09-17 | 2015-09-17 | A kind of curved two-dimensional nozzles of S with deflection vector |
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| CN105201685A true CN105201685A (en) | 2015-12-30 |
| CN105201685B CN105201685B (en) | 2018-06-29 |
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| CN201510591746.9A Active CN105201685B (en) | 2015-09-17 | 2015-09-17 | A kind of curved two-dimensional nozzles of S with deflection vector |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014685A (en) * | 2016-05-30 | 2016-10-12 | 西北工业大学 | Double-S-shaped spray pipe structure for engine |
| CN106438103A (en) * | 2016-05-30 | 2017-02-22 | 西北工业大学 | S-shaped bent shrinking-expanding spray pipe structure |
| CN108194224A (en) * | 2017-12-31 | 2018-06-22 | 厦门大学 | It is embedded to the TBCC parallel connection jet pipe regulating mechanism design methods of diaphragm internal |
| CN109578165A (en) * | 2018-12-13 | 2019-04-05 | 中国航发沈阳发动机研究所 | A kind of low performance loss switching casing |
| CN111577480A (en) * | 2020-05-26 | 2020-08-25 | 中国航发沈阳发动机研究所 | Low detectable integration spray tube suitable for self-adaptation engine |
| CN111976948A (en) * | 2020-09-02 | 2020-11-24 | 南昌航空大学 | Pneumatic layout of flying wing type unmanned fighting bomber |
| CN112761815A (en) * | 2021-01-22 | 2021-05-07 | 中国航发沈阳发动机研究所 | Aero-engine vector spray pipe structure |
| CN112943481A (en) * | 2021-02-11 | 2021-06-11 | 西北工业大学 | Mechanical adjustable S-shaped spray pipe nozzle structure |
| CN114233511A (en) * | 2021-11-27 | 2022-03-25 | 西北工业大学 | Spray pipe with aircraft exhaust stealth vector grid |
| CN114576035A (en) * | 2022-01-13 | 2022-06-03 | 中国航发沈阳发动机研究所 | Rotatable motor long-distance adjustable bleed air spray pipe |
| CN115163328A (en) * | 2022-04-24 | 2022-10-11 | 中国航发四川燃气涡轮研究院 | Improved external adjusting structure for binary vector nozzle |
| CN115855514A (en) * | 2023-03-02 | 2023-03-28 | 中国航发四川燃气涡轮研究院 | Double-bending special-shaped variable cross-section air inlet test device for turboprop power high-altitude platform test |
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| CN104033281A (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 | Binary vectoring nozzle with unilateral expansion function |
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| JP4370887B2 (en) * | 2003-11-18 | 2009-11-25 | 株式会社Ｉｈｉ | Lobe mixer |
| US20070251211A1 (en) * | 2006-04-28 | 2007-11-01 | Snecma | Exhaust assembly forming a horizontal propulsion gas elbow in an aircraft |
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| CN103993982A (en) * | 2014-04-25 | 2014-08-20 | 西北工业大学 | Double-S-bend infrared stealth spray pipe structure capable of achieving multi-direction thrust vector control |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438103A (en) * | 2016-05-30 | 2017-02-22 | 西北工业大学 | S-shaped bent shrinking-expanding spray pipe structure |
| CN106014685A (en) * | 2016-05-30 | 2016-10-12 | 西北工业大学 | Double-S-shaped spray pipe structure for engine |
| CN108194224A (en) * | 2017-12-31 | 2018-06-22 | 厦门大学 | It is embedded to the TBCC parallel connection jet pipe regulating mechanism design methods of diaphragm internal |
| CN108194224B (en) * | 2017-12-31 | 2019-08-27 | 厦门大学 | It is embedded to the TBCC parallel connection jet pipe regulating mechanism design method of diaphragm internal |
| CN109578165A (en) * | 2018-12-13 | 2019-04-05 | 中国航发沈阳发动机研究所 | A kind of low performance loss switching casing |
| CN111577480A (en) * | 2020-05-26 | 2020-08-25 | 中国航发沈阳发动机研究所 | Low detectable integration spray tube suitable for self-adaptation engine |
| CN111976948B (en) * | 2020-09-02 | 2023-07-18 | 南昌航空大学 | Pneumatic layout of unmanned combat bomber of flying wing formula |
| CN111976948A (en) * | 2020-09-02 | 2020-11-24 | 南昌航空大学 | Pneumatic layout of flying wing type unmanned fighting bomber |
| CN112761815A (en) * | 2021-01-22 | 2021-05-07 | 中国航发沈阳发动机研究所 | Aero-engine vector spray pipe structure |
| CN112943481A (en) * | 2021-02-11 | 2021-06-11 | 西北工业大学 | Mechanical adjustable S-shaped spray pipe nozzle structure |
| CN112943481B (en) * | 2021-02-11 | 2022-08-05 | 西北工业大学 | Mechanical adjustable S-shaped spray pipe nozzle structure |
| CN114233511A (en) * | 2021-11-27 | 2022-03-25 | 西北工业大学 | Spray pipe with aircraft exhaust stealth vector grid |
| CN114576035A (en) * | 2022-01-13 | 2022-06-03 | 中国航发沈阳发动机研究所 | Rotatable motor long-distance adjustable bleed air spray pipe |
| CN114576035B (en) * | 2022-01-13 | 2024-01-30 | 中国航发沈阳发动机研究所 | Long-distance adjustable air-guiding spray pipe of rotatable motor |
| CN115163328A (en) * | 2022-04-24 | 2022-10-11 | 中国航发四川燃气涡轮研究院 | Improved external adjusting structure for binary vector nozzle |
| CN115855514A (en) * | 2023-03-02 | 2023-03-28 | 中国航发四川燃气涡轮研究院 | Double-bending special-shaped variable cross-section air inlet test device for turboprop power high-altitude platform test |
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