CN104033279B - A kind of dual vector jet pipe - Google Patents
A kind of dual vector jet pipe Download PDFInfo
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- CN104033279B CN104033279B CN201410246807.3A CN201410246807A CN104033279B CN 104033279 B CN104033279 B CN 104033279B CN 201410246807 A CN201410246807 A CN 201410246807A CN 104033279 B CN104033279 B CN 104033279B
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Abstract
A kind of dual vector jet pipe provided by the invention, comprises that circle turns square tube body, synchronous pressurized strut, linkage mechanism, convergence regulator plate, vector pressurized strut, linkage mechanism, sidewall, expansion regulator plate, binary block whirl central body structure, support and jet pipe outer cover.Circle turns the supporting member of square tube body as whole jet pipe; Synchronous pressurized strut, linkage mechanism, convergence regulator plate, vector pressurized strut, linkage mechanism and expansion regulator plate realize venturi adjustment as main load controlling mechanism and discharge area regulates and deflection vector; Binary blocks whirl central body structure for blocking hot junction, jet pipe front end component.The invention has the advantages that: do not affect conventional dual vector nozzle throat area regulation range, there is good stealth capabilities, make up the stealthy functional defect of conventional dual vector jet pipe, have the advantage that structure is simple, reliability is high simultaneously concurrently.
Description
Technical field
The present invention relates to and belong to aeroengine jet pipe field, relate to a kind of dual vector jet pipe.
Background technique
Traditional aeroengine dual vector jet pipe, due to hollow structure inside, effectively can not block hot junction, front end component, cause its stealth capabilities very weak.And the binary plug vector spray of routine, be only add blocked center body at jet pipe center, but due to this kind of blocked center body cross-section area comparatively large, had a strong impact on the regulation range of nozzle throat area, thus affected the operation point of motor.So the defect in order to make up conventional dual vector jet pipe and conventional binary plug vector spray, need design one does not affect conventional dual vector nozzle throat area regulation range, has the dual vector jet pipe of good stealth capabilities.
Summary of the invention
The object of the present invention is to provide a kind of dual vector jet pipe, do not affect conventional dual vector nozzle throat area regulation range, there is good stealth capabilities, make up the stealthy functional defect of conventional dual vector jet pipe, have the advantage that structure is simple, reliability is high simultaneously concurrently.
A kind of dual vector jet pipe provided by the invention, is characterized in that, comprises circle and turns square tube body 1, converging portion controlling mechanism, extending section controlling mechanism, central shielding component, sidewall 7 and jet pipe outer cover 11.Be specially:
Circle turns square tube body 1 front end and is connected with motor, as the supporting member of whole jet pipe.
Converging portion controlling mechanism comprises synchronous pressurized strut 2, first connecting rod mechanism 3 and convergence regulator plate 4.Wherein, synchronous pressurized strut 2 is arranged along regulator plate shaft axis direction, and front end is connected to circle by mechanical connection manner and turns on square tube body 1 outer wall, and rear end is connected with first connecting rod mechanism 3 by revolute pair; Convergence regulator plate 4 front end is connected to circle by revolute pair and turns on square tube body 1, first connecting rod mechanism 3 arranges along regulator plate shaft axis direction, the other end is connected with stage casing outside convergence regulator plate 4 by revolute pair, synchronous pressurized strut 2 synchronization telescope drives convergence regulator plate 4 to rotate around front end revolute pair by first connecting rod mechanism 3, realizes throat area and regulates.
Extending section controlling mechanism comprises vector pressurized strut 5, second connecting rod mechanism 6 and expansion regulator plate 8.Wherein, vector pressurized strut 5 is arranged along regulator plate shaft axis direction, and front end is connected on cylindrical shell 1 mounting edge by mechanical connection manner, and rear end is connected with second connecting rod mechanism 6 by revolute pair; Expansion regulator plate 8 front end is connected with convergence regulator plate 4 end by revolute pair, and second connecting rod mechanism 6 arranges along regulator plate shaft axis direction, and the other end is connected with stage casing outside expansion regulator plate 8 by revolute pair; The upper and lower two groups of vector pressurized struts 5 of jet pipe are synchronous or asynchronously flexible drive expansion regulator plate 8 to complete conventional receipts by second connecting rod mechanism 6 to expand and deflection vector.
Central shielding component comprises support 10 and binary blocks whirl central body structure 9.Binary block whirl central body structure 9 by support 10 be fixedly connected on circle turn on square tube body 1, binary blocks whirl central body structure 9 for inner eddy flow structure, block eddy flow leaf structure along thin-wall barrel circumferentially, block eddy flow leaf structure front elevational sectional and rear end section is angled in the circumferential, to make to block eddy flow leaf structure blocking jet pipe front hot junction component, thus realize good stealthy function.
Sidewall 7 adopts and is fixedly connected with, and is mainly used in forming inner flow passage, plays the effect of fixing jet pipe outer cover 11 and sealing simultaneously.
Jet pipe outer cover 11 is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature regulator plate.Wherein, jet pipe outer cover 11 is fixedly connected on sidewall 7.
Described synchronous pressurized strut 2 is arranged along regulator plate shaft axis direction, and symmetrical up and down, quantity is 4 ~ 6.
Described vector pressurized strut 5 is arranged along regulator plate shaft axis direction, and symmetrical up and down, quantity is 4 ~ 6.
Described first connecting rod mechanism 3 arranges along regulator plate rotor shaft direction, and symmetrical up and down, quantity is identical with pressurized strut 2.
Described second connecting rod mechanism 6 arranges along regulator plate rotor shaft direction, and symmetrical up and down, quantity is identical with pressurized strut 5.
Described binary is blocked whirl central body structure 9 inside and is blocked eddy flow leaf structure along thin-wall barrel circumferentially, and quantity is 2 ~ 20, blocks on eddy flow leaf structure and can arrange air film hole.
It is hollow structure that described binary blocks whirl central body structure 9 thin-wall barrel, and is connected with cooling air.
Described binary blocks whirl central body structure 9 inside, and to block eddy flow leaf structure be hollow structure, and inner space communicates with thin shelled tubular structure inner space, and is connected with cooling air.
Along jet pipe circumferentially, quantity is 4 ~ 8 to described support 10.
Described support 10 is hollow structure, and inner space communicates with thin shelled tubular structure inner space, and is connected with cooling air.
Can arranged cold flow channel in described sidewall 7, air film hole can be arranged in sidewall 7 inner flow passage face
Described expansion regulator plate 8 afterbody carries out sawtooth and repaiies type.
Described sidewall 7 afterbody carries out sawtooth and repaiies type.
The invention has the advantages that: ensure conventional dual vector nozzle throat area regulation range, there is good stealth capabilities, make up the stealthy functional defect of conventional dual vector jet pipe, have the advantage that structure is simple, reliability is high simultaneously concurrently.
Accompanying drawing explanation
Fig. 1 plan view of the present invention
Fig. 2 the present invention positive two surveys view
Fig. 3 rear view of the present invention
Fig. 4 binary of the present invention blocks whirl central body structure 9 rear view
Fig. 5 binary of the present invention blocks whirl central body structure 9 partial sectional view
Fig. 6 binary of the present invention blocks whirl central body structure 9 backsight axial view
Fig. 7 binary of the present invention blocks whirl central body structure 9 forward sight axial view
Embodiment
Embodiment
A kind of dual vector jet pipe, turns square tube body 1, converging portion controlling mechanism, extending section controlling mechanism, central shielding component, sidewall 7 and jet pipe outer cover 11 primarily of circle and forms.Be specially:
Circle turns square tube body 1 front end and is connected with motor, as the supporting member of whole jet pipe.
Converging portion controlling mechanism forms primarily of synchronous pressurized strut 2, first connecting rod mechanism 3 and convergence regulator plate 4.Wherein, synchronous pressurized strut 2 is arranged along regulator plate shaft axis direction, and front end is connected to circle by mechanical connection manner and turns on square tube body 1 outer wall, and rear end is connected with first connecting rod mechanism 3 by revolute pair; Convergence regulator plate 4 front end is connected to circle by revolute pair and turns on square tube body 1, first connecting rod mechanism 3 arranges along regulator plate shaft axis direction, the other end is connected with stage casing outside convergence regulator plate 4 by revolute pair, synchronous pressurized strut 2 synchronization telescope drives convergence regulator plate 4 to rotate around front end revolute pair by first connecting rod mechanism 3, realizes throat area and regulates.
Extending section controlling mechanism forms primarily of vector pressurized strut 5, second connecting rod mechanism 6 and expansion regulator plate 8.Wherein, vector pressurized strut 5 is arranged along regulator plate shaft axis direction, and front end is connected on cylindrical shell 1 mounting edge by mechanical connection manner, and rear end is connected with second connecting rod mechanism 6 by revolute pair; Expansion regulator plate 8 front end is connected with convergence regulator plate 4 end by revolute pair, and second connecting rod mechanism 6 arranges along regulator plate shaft axis direction, and the other end is connected with stage casing outside expansion regulator plate 8 by revolute pair; The upper and lower two groups of vector pressurized struts 5 of jet pipe are synchronous or asynchronously flexible drive expansion regulator plate 8 to complete conventional receipts by second connecting rod mechanism 6 to expand and deflection vector.
Central shielding component blocks whirl central body structure 9 primarily of support 10 and binary and forms.Binary block whirl central body structure 9 by support 10 be fixedly connected on circle turn on square tube body 1, binary blocks whirl central body structure 9 for inner eddy flow structure, block eddy flow leaf structure along thin-wall barrel circumferentially, block eddy flow leaf structure front elevational sectional and rear end section is angled in the circumferential, to make to block eddy flow leaf structure blocking jet pipe front hot junction component, thus realize good stealthy function.
Sidewall 7 adopts and is fixedly connected with, and is mainly used in forming inner flow passage, plays the effect of fixing jet pipe outer cover 11 and sealing simultaneously.
Jet pipe outer cover 11 is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature regulator plate.Wherein, jet pipe outer cover 11 is fixedly connected on sidewall 7.
Described synchronous pressurized strut 2 is arranged along regulator plate shaft axis direction, and symmetrical up and down, quantity is 4 ~ 6.
Described vector pressurized strut 5 is arranged along regulator plate shaft axis direction, and symmetrical up and down, quantity is 4 ~ 6.
Described first connecting rod mechanism 3 arranges along regulator plate rotor shaft direction, and symmetrical up and down, quantity is identical with pressurized strut 2.
Described second connecting rod mechanism 6 arranges along regulator plate rotor shaft direction, and symmetrical up and down, quantity is identical with pressurized strut 5.
Described binary is blocked whirl central body structure 9 inside and is blocked eddy flow leaf structure along thin-wall barrel circumferentially, and quantity is 2 ~ 20, blocks on eddy flow leaf structure and can arrange air film hole.
It is hollow structure that described binary blocks whirl central body structure 9 thin-wall barrel, and is connected with cooling air.
Described binary blocks whirl central body structure 9 inside, and to block eddy flow leaf structure be hollow structure, and inner space communicates with thin shelled tubular structure inner space, and is connected with cooling air.
Along jet pipe circumferentially, quantity is 4 ~ 8 to described support 10.
Described support 10 is hollow structure, and inner space communicates with thin shelled tubular structure inner space, and is connected with cooling air.
Can arranged cold flow channel in described sidewall 7, air film hole can be arranged in sidewall 7 inner flow passage face
Described expansion regulator plate 8 afterbody carries out sawtooth and repaiies type.
Described sidewall 7 afterbody carries out sawtooth and repaiies type.
Claims (9)
1. a dual vector jet pipe, it is characterized in that, comprise that circle turns square tube body (1), synchronous pressurized strut (2), first connecting rod mechanism (3), convergence regulator plate (4), vector pressurized strut (5), second connecting rod mechanism (6), sidewall (7), expansion regulator plate (8), binary block whirl central body structure (9), support (10) and jet pipe outer cover (11);
Circle turns square tube body (1) front end and is connected with motor, as the supporting member of whole jet pipe;
Converging portion controlling mechanism comprises synchronous pressurized strut (2), first connecting rod mechanism (3) and convergence regulator plate (4); Wherein, synchronous pressurized strut (2) is arranged along regulator plate shaft axis direction, and front end is connected to circle by mechanical connection manner and turns on square tube body (1) outer wall, and rear end is connected with first connecting rod mechanism (3) by revolute pair; Convergence regulator plate (4) front end is connected to circle by revolute pair and turns on square tube body (1), first connecting rod mechanism (3) arranges along regulator plate shaft axis direction, the other end is connected with stage casing, convergence regulator plate (4) outside by revolute pair, synchronous pressurized strut (2) synchronization telescope drives convergence regulator plate (4) to rotate around front end revolute pair by first connecting rod mechanism (3), realizes throat area and regulates;
Extending section controlling mechanism comprises vector pressurized strut (5), second connecting rod mechanism (6) and expansion regulator plate (8); Wherein, vector pressurized strut (5) is arranged along regulator plate shaft axis direction, and front end is connected on cylindrical shell (1) mounting edge by mechanical connection manner, and rear end is connected with second connecting rod mechanism (6) by revolute pair; Expansion regulator plate (8) front end is connected with convergence regulator plate (4) end by revolute pair, second connecting rod mechanism (6) arranges along regulator plate shaft axis direction, and the other end is connected with stage casing, expansion regulator plate (8) outside by revolute pair; The upper and lower two groups of vector pressurized struts (5) of jet pipe are synchronous or asynchronously flexible drive expansion regulator plate (8) to complete conventional receipts by second connecting rod mechanism (6) to expand and deflection vector;
Central shielding component comprises support (10) and binary blocks whirl central body structure (9); Binary block whirl central body structure (9) by support (10) be fixedly connected on circle turn on square tube body (1), binary blocks whirl central body structure (9) for inner eddy flow structure, block eddy flow leaf structure along thin-wall barrel circumferentially, block eddy flow leaf structure front elevational sectional and rear end section is angled in the circumferential, to make to block eddy flow leaf structure blocking jet pipe front hot junction component, thus realize good stealthy function;
Sidewall (7) adopts and is fixedly connected with, and is mainly used in forming inner flow passage, plays the effect of fixing jet pipe outer cover (11) and sealing simultaneously;
Jet pipe outer cover (11) is mainly used in the rectification of the outer sidewind of jet pipe and blocks the effect of high temperature regulator plate; Wherein, jet pipe outer cover (11) is fixedly connected on sidewall (7).
2. a kind of dual vector jet pipe according to claim 1, is characterized in that, synchronous pressurized strut (2) and first connecting rod mechanism (3) arrange along regulator plate shaft axis direction, and symmetrical up and down, quantity is all 4 ~ 6 mutually.
3. a kind of dual vector jet pipe according to claim 1, is characterized in that, vector pressurized strut (5) and second connecting rod mechanism (6) arrange along regulator plate shaft axis direction, and symmetrical up and down, quantity is all 4 ~ 6 mutually.
4. a kind of dual vector jet pipe according to claim 1, is characterized in that, the thin shelled tubular structure that binary blocks whirl central body structure (9) is hollow structure, and is connected with cooling air.
5. a kind of dual vector jet pipe according to claim 1, it is characterized in that, binary is blocked whirl central body structure (9) inside and is blocked eddy flow leaf structure along thin shelled tubular structure circumferentially, and quantity is 2 ~ 20, blocks on eddy flow leaf structure wall and arranges air film hole.
6. a kind of dual vector jet pipe according to claim 1, it is characterized in that, binary blocks whirl central body structure (9) inside, and to block eddy flow leaf structure be hollow structure, and inner space communicates with thin shelled tubular structure inner space, and is connected with cooling air.
7. a kind of dual vector jet pipe according to claim 1, is characterized in that, support (10) is hollow structure, inner space communicates with thin shelled tubular structure inner space, and being connected with cooling air, along jet pipe circumferentially, quantity is 4 ~ 8 to support (10).
8. a kind of dual vector jet pipe according to claim 1, is characterized in that, can arranged cold flow channel in sidewall (7), and air film hole can be arranged in sidewall (7) inner flow passage face.
9. a kind of dual vector jet pipe according to claim 1, is characterized in that, expansion regulator plate (8) and sidewall (7) afterbody carry out sawtooth and repair type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410246807.3A CN104033279B (en) | 2014-06-06 | 2014-06-06 | A kind of dual vector jet pipe |
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| CN201410246807.3A CN104033279B (en) | 2014-06-06 | 2014-06-06 | A kind of dual vector jet pipe |
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| CN104033279A CN104033279A (en) | 2014-09-10 |
| CN104033279B true CN104033279B (en) | 2016-03-30 |
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| CN104454233A (en) * | 2014-11-24 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | Exhaust device of aircraft engine |
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| CN114790954B (en) * | 2022-04-14 | 2024-06-18 | 中国航发沈阳发动机研究所 | High-efficiency throat-adjustable high-stealth low-tail-resistance unilateral expansion spray pipe |
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