CN103423028A - Two-dimensional nozzle throat area control mechanism - Google Patents
Two-dimensional nozzle throat area control mechanism Download PDFInfo
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- CN103423028A CN103423028A CN2013103474645A CN201310347464A CN103423028A CN 103423028 A CN103423028 A CN 103423028A CN 2013103474645 A CN2013103474645 A CN 2013103474645A CN 201310347464 A CN201310347464 A CN 201310347464A CN 103423028 A CN103423028 A CN 103423028A
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Abstract
The invention discloses a two-dimensional nozzle throat area control mechanism which comprises a driving mechanism and a rocker arm connecting rod mechanism. The two-dimensional nozzle throat area control mechanism is characterized in that the driving mechanism comprises an installation base and an actuator cylinder and the installation base is fixed to a two-dimensional nozzle cylinder body; one end of the actuator cylinder is hinged to the installation base and the other end of the actuator cylinder is hinged to a driving rocker arm; the rocker arm connecting rod mechanism comprises a first support, a first driven rocker arm, the driving rocker arm, a second driven rocker arm, a second support and a connecting rod; one cantilever end of the driving rocker arm is hinged to the actuator cylinder and the other cantilever end of the driving rocker arm is hinged to the connecting rod; one end of the connecting rod is hinged to the first driven rocker arm, the second driven rocker arm and the driving rocker arm and the other end of the connecting rod is hinged to a two-dimensional nozzle restraining adjusting sheet. The two-dimensional nozzle throat area control mechanism has the advantages of being simple and compact in structure, small in number of movement connecting pieces, wide in adjusting range and capable of enabling the control load to be dispersed to multiple points, effectively achieving control over the two-dimensional nozzle throat area, and meanwhile reducing the concentration degree of the load.
Description
Technical field
The present invention relates to aeroengine two-dimensional nozzle structure field, particularly a kind of two-dimensional nozzle throat area control mechanism.
Background technique
Traditional nozzle throat area control mechanism mainly contains two kinds, and a kind of is the pull bar regulative mode, and this mode drags pull bar by pressurized strut, and then drives the convergence adjustment sheet, realizes throat area control; Another kind is that regulating ring adds circular arc cam or pull bar regulative mode, and this mode drags regulating ring by pressurized strut, and regulating ring drives the convergence adjustment sheet by circular arc cam or pull bar again, realizes throat area control.In two kinds of modes, the first needs pressurized strut to possess larger stroke range, and the second is the structure heaviness, and requisite space is large, and two kinds of modes all are not suitable for being applied in the control of throat area of two-dimensional nozzle.For the throat area of effectively realizing two-dimensional nozzle, control, need design a kind of simple in structure, the motion link is few and can multiple spot output control load prevent the control mechanism that stress is concentrated.
Summary of the invention
The objective of the invention is for simplified structure, realize multiple spot output control load, the spy provides a kind of two-dimensional nozzle throat area control mechanism.
The invention provides a kind of two-dimensional nozzle throat area control mechanism, it is characterized in that: comprise driving mechanism and rocker-arm link mechanism, be specially:
Driving mechanism comprises fitting seat 1, pressurized strut 2, and wherein, fitting seat 1 is fixed on the two-dimensional nozzle cylindrical shell; Pressurized strut 2 one ends and fitting seat 1 are hinged, and the other end and initiatively rocking arm 5 are hinged;
Rocker-arm link mechanism comprises first support the 3, first servo-actuated Rocker arm 4, the servo-actuated rocking arm 6 of initiatively rocking arm 5, second, the second support 7 and connecting rod 8, and wherein, the first support 3, the second support 7 are fastenedly connected with the jet pipe main body respectively; The first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 are respectively through the first support 3 and the second support 7, and both cylindrical ends are fastenedly connected by spline with initiatively rocking arm 5 two ends respectively, and cantilever segment is hinged with connecting rod 8 respectively; Cantilever end and the pressurized strut 2 of initiatively rocking arm 5 are hinged, and another cantilever end and connecting rod 8 are hinged; Connecting rod 8 one ends and the first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 and initiatively rocking arm 5 are hinged, and the other end and two-dimensional nozzle convergence adjustment sheet are hinged; Above-mentioned driving mechanism and rocker-arm link mechanism are respectively 2 covers, in the upper and lower bilateral symmetry of two-dimensional nozzle, distribute, and control respectively the rotation of upper and lower sides convergence adjustment sheet, thereby realize the control to the nozzle throat area.
In described every cover driving mechanism, fitting seat 1 quantity is 1～4, and pressurized strut 2 quantity are 1～8.
In described every cover rocker-arm link mechanism, the first support 3 is identical with the second support 7 quantity, is 1～2; The quantity that initiatively rocking arm 5 quantity are 1, the first servo-actuated Rocker arm 4 and the second servo-actuated rocking arm 6 is 1～4; Connecting rod 8 quantity are 2～8.
Advantage of the present invention:
Two-dimensional nozzle throat area control mechanism of the present invention, simple in structure, compact, the motion link is few, and regulation range is broad and control load is dispersed to multiple spot, can effectively realize when the two-dimensional nozzle throat area is controlled reducing the load concentration degree.
The accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is two-dimensional nozzle throat area control mechanism schematic diagram;
Fig. 2 is the fitting seat schematic diagram;
Fig. 3 is the pressurized strut schematic diagram;
Fig. 4 is the support schematic diagram;
Fig. 5 is servo-actuated rocking arm schematic diagram;
Fig. 6 is the initiatively rocking arm schematic diagram;
Fig. 7 is servo-actuated rocking arm schematic diagram;
Fig. 8 is the support schematic diagram;
Fig. 9 is the connecting rod schematic diagram.
Embodiment
Embodiment 1
The present embodiment provides a kind of two-dimensional nozzle throat area control mechanism, it is characterized in that: comprise driving mechanism and rocker-arm link mechanism, be specially:
Driving mechanism comprises fitting seat 1, pressurized strut 2, and wherein, fitting seat 1 is fixed on the two-dimensional nozzle cylindrical shell; Pressurized strut 2 one ends and fitting seat 1 are hinged, and the other end and initiatively rocking arm 5 are hinged;
Rocker-arm link mechanism comprises first support the 3, first servo-actuated Rocker arm 4, the servo-actuated rocking arm 6 of initiatively rocking arm 5, second, the second support 7 and connecting rod 8, and wherein, the first support 3, the second support 7 are fastenedly connected with the jet pipe main body respectively; The first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 are respectively through the first support 3 and the second support 7, and both cylindrical ends are fastenedly connected by spline with initiatively rocking arm 5 two ends respectively, and cantilever segment is hinged with connecting rod 8 respectively; Cantilever end and the pressurized strut 2 of initiatively rocking arm 5 are hinged, and another cantilever end and connecting rod 8 are hinged; Connecting rod 8 one ends and the first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 and initiatively rocking arm 5 are hinged, and the other end and two-dimensional nozzle convergence adjustment sheet are hinged; Above-mentioned driving mechanism and rocker-arm link mechanism are respectively 2 covers, in the upper and lower bilateral symmetry of two-dimensional nozzle, distribute, and control respectively the rotation of upper and lower sides convergence adjustment sheet, thereby realize the control to the nozzle throat area.
In described every cover driving mechanism, fitting seat 1 quantity is 1, and pressurized strut 2 quantity are 1.
In described every cover rocker-arm link mechanism, the first support 3 is identical with the second support 7 quantity, is 1; The quantity that initiatively rocking arm 5 quantity are 1, the first servo-actuated Rocker arm 4 and the second servo-actuated rocking arm 6 is 1; Connecting rod 8 quantity are 2.
The present embodiment provides a kind of two-dimensional nozzle throat area control mechanism, it is characterized in that: comprise driving mechanism and rocker-arm link mechanism, be specially:
Driving mechanism comprises fitting seat 1, pressurized strut 2, and wherein, fitting seat 1 is fixed on the two-dimensional nozzle cylindrical shell; Pressurized strut 2 one ends and fitting seat 1 are hinged, and the other end and initiatively rocking arm 5 are hinged;
Rocker-arm link mechanism comprises first support the 3, first servo-actuated Rocker arm 4, the servo-actuated rocking arm 6 of initiatively rocking arm 5, second, the second support 7 and connecting rod 8, and wherein, the first support 3, the second support 7 are fastenedly connected with the jet pipe main body respectively; The first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 are respectively through the first support 3 and the second support 7, and both cylindrical ends are fastenedly connected by spline with initiatively rocking arm 5 two ends respectively, and cantilever segment is hinged with connecting rod 8 respectively; Cantilever end and the pressurized strut 2 of initiatively rocking arm 5 are hinged, and another cantilever end and connecting rod 8 are hinged; Connecting rod 8 one ends and the first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 and initiatively rocking arm 5 are hinged, and the other end and two-dimensional nozzle convergence adjustment sheet are hinged; Above-mentioned driving mechanism and rocker-arm link mechanism are respectively 2 covers, in the upper and lower bilateral symmetry of two-dimensional nozzle, distribute, and control respectively the rotation of upper and lower sides convergence adjustment sheet, thereby realize the control to the nozzle throat area.
In described every cover driving mechanism, fitting seat 1 quantity is 2, and pressurized strut 2 quantity are 4.
In described every cover rocker-arm link mechanism, the first support 3 is identical with the second support 7 quantity, is 2; The quantity that initiatively rocking arm 5 quantity are 1, the first servo-actuated Rocker arm 4 and the second servo-actuated rocking arm 6 is 2; Connecting rod 8 quantity are 4.
The present embodiment provides a kind of two-dimensional nozzle throat area control mechanism, it is characterized in that: comprise driving mechanism and rocker-arm link mechanism, be specially:
Driving mechanism comprises fitting seat 1, pressurized strut 2, and wherein, fitting seat 1 is fixed on the two-dimensional nozzle cylindrical shell; Pressurized strut 2 one ends and fitting seat 1 are hinged, and the other end and initiatively rocking arm 5 are hinged;
Rocker-arm link mechanism comprises first support the 3, first servo-actuated Rocker arm 4, the servo-actuated rocking arm 6 of initiatively rocking arm 5, second, the second support 7 and connecting rod 8, and wherein, the first support 3, the second support 7 are fastenedly connected with the jet pipe main body respectively; The first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 are respectively through the first support 3 and the second support 7, and both cylindrical ends are fastenedly connected by spline with initiatively rocking arm 5 two ends respectively, and cantilever segment is hinged with connecting rod 8 respectively; Cantilever end and the pressurized strut 2 of initiatively rocking arm 5 are hinged, and another cantilever end and connecting rod 8 are hinged; Connecting rod 8 one ends and the first servo-actuated Rocker arm 4, the second servo-actuated rocking arm 6 and initiatively rocking arm 5 are hinged, and the other end and two-dimensional nozzle convergence adjustment sheet are hinged; Above-mentioned driving mechanism and rocker-arm link mechanism are respectively 2 covers, in the upper and lower bilateral symmetry of two-dimensional nozzle, distribute, and control respectively the rotation of upper and lower sides convergence adjustment sheet, thereby realize the control to the nozzle throat area.
In described every cover driving mechanism, fitting seat 1 quantity is 4, and pressurized strut 2 quantity are 8.
In described every cover rocker-arm link mechanism, the first support 3 is identical with the second support 7 quantity, is 2; The quantity that initiatively rocking arm 5 quantity are 1, the first servo-actuated Rocker arm 4 and the second servo-actuated rocking arm 6 is 4; Connecting rod 8 quantity are 8.
Claims (3)
1. a two-dimensional nozzle throat area control mechanism, it is characterized in that: comprise driving mechanism and rocker-arm link mechanism, be specially: driving mechanism comprises fitting seat (1), pressurized strut (2), wherein, fitting seat (1) is fixed on the two-dimensional nozzle cylindrical shell; Pressurized strut (2) one ends and fitting seat (1) are hinged, and the other end and initiatively rocking arm (5) are hinged; Rocker-arm link mechanism comprises the first support (3), the first servo-actuated rocking arm (4), initiatively rocking arm (5), the second servo-actuated rocking arm (6), the second support (7) and connecting rod (8), wherein, the first support (3), the second support (7) are fastenedly connected with the jet pipe main body respectively; The first servo-actuated rocking arm (4), the second servo-actuated rocking arm (6) be respectively through the first support (3) and the second support (7), both cylindrical ends respectively and initiatively rocking arm (5) two ends by spline, be fastenedly connected, cantilever segment respectively and connecting rod (8) hinged; Cantilever end and the pressurized strut (2) of initiatively rocking arm (5) are hinged, and another cantilever end and connecting rod (8) are hinged; Connecting rod (8) one ends and the first servo-actuated rocking arm (4), the second servo-actuated rocking arm (6) and initiatively rocking arm (5) are hinged, and the other end and two-dimensional nozzle convergence adjustment sheet are hinged; Above-mentioned driving mechanism and rocker-arm link mechanism are respectively 2 covers, in the upper and lower bilateral symmetry of two-dimensional nozzle, distribute, and control respectively the rotation of upper and lower sides convergence adjustment sheet, thereby realize the control to the nozzle throat area.
2. two-dimensional nozzle throat area control mechanism according to claim 1, it is characterized in that: in described every cover driving mechanism, fitting seat (1) quantity is 1～4, and pressurized strut (2) quantity is 1～8.
3. two-dimensional nozzle throat area control mechanism according to claim 1 is characterized in that: in described every cover rocker-arm link mechanism, the first support (3) is identical with the second support (7) quantity, is 1～2; The quantity that initiatively rocking arm (5) quantity is 1, the first servo-actuated rocking arm (4) and the second servo-actuated rocking arm (6) is 1～4; Connecting rod (8) quantity is 2～8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310347464.5A CN103423028B (en) | 2013-08-09 | 2013-08-09 | A kind of two-dimensional nozzle throat area control mechanism |
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| CN201310347464.5A CN103423028B (en) | 2013-08-09 | 2013-08-09 | A kind of two-dimensional nozzle throat area control mechanism |
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| CN103423028A true CN103423028A (en) | 2013-12-04 |
| CN103423028B CN103423028B (en) | 2015-08-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033275A (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 contraction section of two-dimensional nozzle |
| CN104033284A (en) * | 2014-06-06 | 2014-09-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel two-dimensional nozzle |
| CN104033276A (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 |
| CN113107701A (en) * | 2021-04-28 | 2021-07-13 | 中国航发沈阳发动机研究所 | Adjustable spray pipe structure |
| CN113530706A (en) * | 2021-08-18 | 2021-10-22 | 中国航发贵阳发动机设计研究所 | Connecting structure of active adjusting sheet and active adjusting sheet of engine tail nozzle |
| CN113915026A (en) * | 2021-11-05 | 2022-01-11 | 沈阳飞机设计研究所扬州协同创新研究院有限公司 | Unilateral expansion spray pipe with vector adjustment capability |
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| CN1030122A (en) * | 1987-06-25 | 1989-01-04 | 联合工艺公司 | The divergent flap actuation system that is used for two-dimensional exhaust nozzles |
| US5174502A (en) * | 1991-05-10 | 1992-12-29 | General Electric Company | Support for a translating nozzle vectoring ring |
| CN1277657A (en) * | 1998-07-22 | 2000-12-20 | 通用电气公司 | Vectoring nozzle control system |
| CN102336273A (en) * | 2011-09-14 | 2012-02-01 | 中国航空工业集团公司西安飞机设计研究所 | Rolling type universal joint movement mechanism |
| CN202883918U (en) * | 2012-06-13 | 2013-04-17 | 中国航空工业集团公司沈阳发动机设计研究所 | Regulating mechanism dragged by single actuator |
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2013
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| CN1030122A (en) * | 1987-06-25 | 1989-01-04 | 联合工艺公司 | The divergent flap actuation system that is used for two-dimensional exhaust nozzles |
| US5174502A (en) * | 1991-05-10 | 1992-12-29 | General Electric Company | Support for a translating nozzle vectoring ring |
| CN1277657A (en) * | 1998-07-22 | 2000-12-20 | 通用电气公司 | Vectoring nozzle control system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033284A (en) * | 2014-06-06 | 2014-09-10 | 中国航空工业集团公司沈阳发动机设计研究所 | Novel two-dimensional nozzle |
| CN104033284B (en) * | 2014-06-06 | 2016-08-17 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of two-dimensional nozzle |
| CN104033275A (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 contraction section of two-dimensional nozzle |
| CN104033276A (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 |
| CN104033275B (en) * | 2014-06-09 | 2016-02-17 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of two-dimensional nozzle converging portion control mechanism |
| CN104033276B (en) * | 2014-06-09 | 2016-05-04 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of throat area controlling organization of two-dimensional nozzle |
| CN113107701A (en) * | 2021-04-28 | 2021-07-13 | 中国航发沈阳发动机研究所 | Adjustable spray pipe structure |
| CN113530706A (en) * | 2021-08-18 | 2021-10-22 | 中国航发贵阳发动机设计研究所 | Connecting structure of active adjusting sheet and active adjusting sheet of engine tail nozzle |
| CN113530706B (en) * | 2021-08-18 | 2022-08-05 | 中国航发贵阳发动机设计研究所 | Connecting structure of outer adjusting piece and active adjusting piece of engine tail nozzle |
| CN113915026A (en) * | 2021-11-05 | 2022-01-11 | 沈阳飞机设计研究所扬州协同创新研究院有限公司 | Unilateral expansion spray pipe with vector adjustment capability |
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