CN105240158A - Two-dimensional plug nozzle with thrust reversing function - Google Patents
Two-dimensional plug nozzle with thrust reversing function Download PDFInfo
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- CN105240158A CN105240158A CN201510595186.4A CN201510595186A CN105240158A CN 105240158 A CN105240158 A CN 105240158A CN 201510595186 A CN201510595186 A CN 201510595186A CN 105240158 A CN105240158 A CN 105240158A
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- plug nozzle
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Abstract
The invention relates to the technical field of structure design of aircraft engines, in particular to a two-dimensional plug nozzle with a thrust reversing function. The front end of a circular-rotating square-barrel body is connected with an engine, and the rear end of the circular-rotating square-barrel body is fixedly connected with two side wall boards distributed in left-right symmetry and two horizontal wall boards distributed in vertical symmetry. An adjustable wall board is a part of each horizontal wall board, and an adjustable baffle is a part of a plug cone. When the adjustable baffle rotates by a preset angle, the adjustable wall boards rotate synchronously, and a thrust reversing exhaust channel is formed by the adjustable wall boards, the left side wall board and the right side wall board. According to the two-dimensional plug nozzle with the thrust reversing function, on the premise that the thrust reversing function is achieved, the structure type and the function of a conventional two-dimensional plug nozzle are guaranteed; the overall dimension is small, the weight is low, the structure is simple, and the reliability is high; integral design of a rear fuselage is facilitated, and the defects of a conventional nozzle thrust reverser are overcome.
Description
Technical field
The present invention relates to aeroengine structure-design technique field, in particular to a kind of, there is the anti-binary plug nozzle pushing away function.
Background technique
The raising of air speed and the increase of wing loads, must make to take off and distance of landing run increases, and in order to shorten aircraft ground run distance and do necessary maneuvering flight action, just needs instead to push away speed reducer.Traditional grab bucket shape deflection plate THR REV, heavier, the reaction thrust load of bearing is large; Deflecting fence THR REV, mechanical coordination part is many, complex structure, and air-flow is easily revealed and caused engine performance to reduce, and existing THR REV has been difficult to the technology of satisfied present develop rapidly.
The technical problem needing now solution badly how to design a kind of THR REV, and this THR REV can overcome the defect sent out in prior art and push away device under the structural type of routine not affecting jet pipe and the prerequisite of performance, makes up the deficiency of traditional THR REV.
Summary of the invention
The object of the invention is to solve above-mentioned deficiency of the prior art, provide a kind of and there is the anti-binary plug nozzle pushing away function.
Object of the present invention is achieved through the following technical solutions: a kind of have the anti-binary plug nozzle pushing away function, it is characterized in that, comprising:
Circle turns square tube body, and front end is connected with motor, and the side panel of rear end and two pieces of symmetrical distributions and about two pieces symmetrical horizontal wallboards are fixedly connected with; Two pieces of side panels and two pieces of horizontal wallboard composition cavitys, be furnished with plug cone in cavity, side panel, horizontal wallboard and plug cone form normal exhaust passage jointly;
Fender plate, for filling in a part for cone, the front end of fender plate is hinged between the two pieces of side panels in left and right, when fender plate rotates around the axis predetermined angle by rotating shaft, the inwall of the rear end of fender plate and the standing part of horizontal wallboard against, and by normal exhaust channel blockage;
Adjustable wallboard is a part for horizontal wallboard;
Driving mechanism, comprises three groups of fitting seats and three groups of pressurized struts, symmetrical distribution between two fitting seats often organized and two pressurized struts;
First connecting rod mechanism, is symmetricly set on the outer wall of two pieces of side panels, and the rear end of each front end of first connecting rod mechanism and the pressurized strut of homonymy is hinged;
Second connecting rod mechanism, comprises two groups, is arranged on plug cone inner, and upper and lower symmetrical, hinged respectively with the fender plate of upper and lower end;
Slide bar, level runs through two pieces of side panels in left-right direction, and two ends are fixedly connected with the rear end of the first connecting rod mechanism of homonymy respectively;
Third connecting rod mechanism, on the upper and lower outer wall being symmetrically distributed in two pieces of side panels, one end of third connecting rod mechanism and the rear end of pressurized strut hinged, the other end is fixedly connected with the shaft end of the rotating shaft of adjustable wallboard.
In such scheme preferably, the number often organizing described second connecting rod mechanism being positioned at described plug cone cavity is 2-6, axial arranged along slide bar.
In above-mentioned either a program preferably, side panel offers chute along the longitudinal direction, sliding bar is arranged in described chute.
In above-mentioned either a program preferably, chute is symmetricly set on described side panel, and is furnished with sealing block at described chute place.
In above-mentioned either a program preferably, the middle part of adjustable wallboard is hinged between the two pieces of side panels in left and right by rotating shaft, when fender plate rotates predetermined angle, and adjustable wallboard synchronous axial system and formed with the side panel of left and right and instead push away exhaust passage.
In above-mentioned either a program preferably, fitting seat is fixed on the described side panel outer wall of homonymy, and the fitting seat of pressurized strut front end and homonymy is hinged.
In above-mentioned either a program preferably, the part that slide bar is placed in cavity is also hinged with upper and lower Liang Ge second connecting rod mechanism, takes upper and lower two fender plates to rotate to drive Liang Ge second connecting rod mechanism.
Provided by the present invention have the anti-beneficial effect pushing away the binary plug nozzle of function and be, structure is simple, easily manufactured, overall sizes is little, lightweight, reliability is high, be convenient to the advantages such as rear body integrated design, make up the defect of conventional jet pipe THR REV, safe and reliable.
Accompanying drawing explanation
Fig. 1 has the anti-structural representation pushing away a preferred embodiment of the binary plug nozzle of function according to of the present invention, wherein, has the anti-binary plug nozzle pushing away function and is in and instead pushes away working state;
Fig. 2 has counter another structural representation embodiment illustrated in fig. 1 pushing away the binary plug nozzle of function according to of the present invention, wherein, has the anti-binary plug nozzle pushing away function and is in normal working;
Fig. 3 has the anti-partial structurtes sectional view embodiment illustrated in fig. 1 pushing away the binary plug nozzle of function according to of the present invention, wherein, has the anti-binary plug nozzle pushing away function and is in and instead pushes away working state;
Fig. 4 has counter another partial structurtes sectional view embodiment illustrated in fig. 1 pushing away the binary plug nozzle of function according to of the present invention, wherein, has the anti-binary plug nozzle pushing away function and is in normal working;
Fig. 5 has counter the 3rd structure sectional view embodiment illustrated in fig. 1 pushing away the binary plug nozzle of function according to of the present invention, wherein, has the anti-binary plug nozzle pushing away function and is in normal working;
Fig. 6 is the partial enlarged drawing of Fig. 5.
Reference character:
1-circle turns square tube body, 2-side panel, 3-is adjustable wallboard, the horizontal wallboard of 4-, 5-fender plate, 6-fill in cone, 7-second connecting rod mechanism, 8-first connecting rod mechanism, 9-third connecting rod mechanism, 10-pressurized strut, 11-fitting seat, 12-slide bar, 13-sealing block, 14-chute.
Embodiment
According to the present invention program, there is the anti-binary plug nozzle pushing away function in order to understand better, to of the present invention below in conjunction with accompanying drawing there is the anti-preferred embodiment pushing away the binary plug nozzle of function be further elaborated explanation.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in figs 1 to 6, provided by the invention have the anti-binary plug nozzle pushing away function, comprising:
Circle turns square tube body 1, and front end is connected with motor, and the side panel 2 of rear end and two pieces of symmetrical distributions and about two pieces symmetrical horizontal wallboards 4 are fixedly connected with; Two pieces of side panels 2 and two pieces of described horizontal wallboards 4 form cavity, are furnished with plug cone 6 in cavity, and side panel 2, horizontal wallboard 4 and plug cone 6 form normal exhaust passage jointly;
Fender plate 5, for filling in a part for cone 6, the front end of fender plate 5 is hinged between the two pieces of side panels 2 in left and right, when fender plate 5 rotates around the axis predetermined angle by rotating shaft, the inwall of the rear end of fender plate 5 and the standing part of horizontal wallboard 4 against, and by normal exhaust channel blockage; Adjustable wallboard 3 is a part for horizontal wallboard 4;
Driving mechanism, comprises three groups of fitting seats 11 and three groups of pressurized struts 10, symmetrical distribution between two fitting seats 11 often organized and two pressurized struts 10; First connecting rod mechanism 8, is symmetricly set on the outer wall of two pieces of side panels 2, and the rear end of the front end of each first connecting rod mechanism 8 and the pressurized strut 10 of homonymy is hinged; Second connecting rod mechanism 7, comprises two groups, is arranged on plug cone 6 inner, and upper and lower symmetrical, hinged respectively with the fender plate 5 of upper and lower end; Slide bar 12, level runs through two pieces of side panels 2 in left-right direction, and two ends are fixedly connected with the rear end of the first connecting rod mechanism 8 of homonymy respectively; Third connecting rod mechanism 9, on the upper and lower outer wall being symmetrically distributed in two pieces of side panels 2, one end of third connecting rod mechanism 9 and the rear end of pressurized strut 10 hinged, the other end is fixedly connected with the shaft end of the rotating shaft of adjustable wallboard 3.
Provided by the invention to have the number of Mei Zu second connecting rod mechanism 7 that the anti-binary plug nozzle pushing away function is positioned at plug cone (6) cavity be 2-6, and axial arranged along slide bar.Side panel 2 offers chute 14 along the longitudinal direction, and slide bar 12 is slidably arranged in described chute 14.Chute 14 is symmetricly set on side panel 2, and is furnished with sealing block 13 at described chute 14 place.The middle part of adjustable wallboard 3 is hinged between the two pieces of side panels 2 in left and right by rotating shaft, when fender plate 5 rotates predetermined angle, and adjustable wallboard 3 synchronous axial system and formed with the side panel 2 of left and right and instead push away exhaust passage.Fitting seat 11 is fixed on described side panel 2 outer wall of homonymy, and the fitting seat 11 of pressurized strut 10 front end and homonymy is hinged.The part that slide bar 12 is placed in cavity is also hinged with upper and lower Liang Ge second connecting rod mechanism 7, takes upper and lower two fender plates 5 to rotate to drive Liang Ge second connecting rod mechanism 7.
In concrete using process, two cover pressurized strut 10 one end and fitting seat hinged, it is hinged that the other end and two overlaps linkage mechanism 9 one end, two cover linkage mechanism 9 the other ends are fixedly connected with the rotating shaft of upper and lower two symmetrical adjustable wallboards 3 through side panel 2 respectively, pressurized strut 10 is fixedly connected with slide bar 12 two ends through side panel 2 by straight-bar 8, and slide bar 12 is hinged by linkage mechanism 7 and fender plate 5; Control two pressurized struts 10 of fender plate 5 drive slide bar 12 by linkage mechanism 7 drive fender plate 5 turn to the standing part inwall of horizontal wallboard 4 against, by normal exhaust pathway closure; Meanwhile, four the pressurized strut 10 drive link mechanisms 9 controlling adjustable wallboard 3 drive adjustable wallboard 3 to turn at an angle to the horizontal direction, and form bending air-flow path, gas is discharged obliquely upward, thus realize instead pushing away function, as shown in Figure 1,3; On the contrary, as Fig. 2,4, adjustable wallboard 3 and fender plate 5 move to original position, and form complete normal exhaust passage, air-flow is discharged backward.
More than there is the anti-binary plug nozzle specific embodiment pushing away function be described in detail in conjunction with of the present invention, but be not limitation of the present invention, everyly according to technical spirit of the present invention, technical scope of the present invention is all belonged to any simple modification made for any of the above embodiments, also it should be noted that there is the anti-category pushing away the binary plug nozzle technological scheme of function to comprise combination in any between each part mentioned above according to of the present invention.
Claims (7)
1. there is the anti-binary plug nozzle pushing away function, it is characterized in that, comprising:
Circle turns square tube body (1), and front end is connected with motor, and the side panel (2) of rear end and two pieces of symmetrical distributions and about two pieces symmetrical horizontal wallboards (4) are fixedly connected with; Two pieces of described side panels (2) and two pieces of described horizontal wallboard (4) composition cavitys, be furnished with plug cone (6) in cavity, side panel (2), horizontal wallboard (4) and plug cone (6) form normal exhaust passage jointly;
Fender plate (5), for a part for plug cone (6), the front end of fender plate (5) is hinged between the two pieces of side panels (2) in left and right by rotating shaft, when fender plate (5) rotates around the axis predetermined angle, the inwall of the rear end of fender plate (5) and the standing part of horizontal wallboard (4) against, and by normal exhaust channel blockage;
Adjustable wallboard (3) is a part for horizontal wallboard (4);
Driving mechanism, comprises three groups of fitting seats (11) and three groups of pressurized struts (10), symmetrical distribution between two fitting seats (11) often organized and two pressurized struts (10);
First connecting rod mechanism (8), is symmetricly set on the outer wall of two pieces of side panels (2), and the rear end of the front end of each first connecting rod mechanism (8) and the pressurized strut (10) of homonymy is hinged;
Second connecting rod mechanism (7), comprises two groups, is arranged on plug cone (6) inner, and upper and lower symmetrical, hinged respectively with the fender plate (5) of upper and lower end;
Slide bar (12), level runs through two pieces of side panels (2) in left-right direction, and two ends are fixedly connected with the rear end of the first connecting rod mechanism (8) of homonymy respectively;
Third connecting rod mechanism (9), on the upper and lower outer wall being symmetrically distributed in two pieces of side panels (2), one end of third connecting rod mechanism (9) and the rear end of pressurized strut (10) hinged, the other end is fixedly connected with the shaft end of the rotating shaft of adjustable wallboard (3).
2. there is the anti-binary plug nozzle pushing away function as claimed in claim 1, it is characterized in that: the number being positioned at the described second connecting rod mechanism (7) of often group of described plug cone (6) cavity is 2-6, axial arranged along slide bar.
3. there is the anti-binary plug nozzle pushing away function as claimed in claim 1, it is characterized in that: described side panel (2) offers along the longitudinal direction chute (14), described slide bar (12) is slidably arranged in described chute (14).
4. there is the anti-binary plug nozzle pushing away function as claimed in claim 3, it is characterized in that: described chute (14) is symmetricly set on described side panel (2), and be furnished with sealing block (13) at described chute (14) place.
5. there is the anti-binary plug nozzle pushing away function as claimed in claim 1, it is characterized in that: the middle part of adjustable wallboard (3) is hinged between the two pieces of side panels (2) in left and right by rotating shaft, when fender plate (5) rotates predetermined angle, adjustable wallboard (3) synchronous axial system and formed with the side panel (2) of left and right and instead push away exhaust passage.
6. there is the anti-binary plug nozzle pushing away function as claimed in claim 1, it is characterized in that: fitting seat (11) is fixed on described side panel (2) outer wall of homonymy, the fitting seat (11) of pressurized strut (10) front end and homonymy is hinged.
7. there is the anti-binary plug nozzle pushing away function as claimed in claim 1, it is characterized in that: the part that described slide bar (12) is placed in cavity is also hinged with upper and lower Liang Ge second connecting rod mechanism (7), take upper and lower two fender plates (5) to drive Liang Ge second connecting rod mechanism (7) and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510595186.4A CN105240158B (en) | 2015-09-18 | 2015-09-18 | It is a kind of that there is the anti-binary plug nozzle for pushing away function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510595186.4A CN105240158B (en) | 2015-09-18 | 2015-09-18 | It is a kind of that there is the anti-binary plug nozzle for pushing away function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240158A true CN105240158A (en) | 2016-01-13 |
| CN105240158B CN105240158B (en) | 2017-09-22 |
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| CN201510595186.4A Active CN105240158B (en) | 2015-09-18 | 2015-09-18 | It is a kind of that there is the anti-binary plug nozzle for pushing away function |
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| CN (1) | CN105240158B (en) |
Cited By (5)
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| CN109653899A (en) * | 2018-12-10 | 2019-04-19 | 中国航发四川燃气涡轮研究院 | A kind of adjustable throttling set for simulating aero-engine jet pipe |
| CN111594339A (en) * | 2020-05-26 | 2020-08-28 | 中国人民解放军国防科技大学 | Ramjet engine using plug nozzle |
| CN112796882A (en) * | 2020-12-30 | 2021-05-14 | 长江大学 | Reverse thrust system of turboprop engine |
| CN113107707A (en) * | 2021-04-28 | 2021-07-13 | 中国航发沈阳发动机研究所 | Engine spray pipe structure |
| CN114382610A (en) * | 2022-01-24 | 2022-04-22 | 厦门大学 | Adjustable jet pipe of detonation ramjet based on spiral oblique shock wave motion law |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109653899A (en) * | 2018-12-10 | 2019-04-19 | 中国航发四川燃气涡轮研究院 | A kind of adjustable throttling set for simulating aero-engine jet pipe |
| CN109653899B (en) * | 2018-12-10 | 2021-08-03 | 中国航发四川燃气涡轮研究院 | Adjustable throttling device for simulating jet pipe of aircraft engine |
| CN111594339A (en) * | 2020-05-26 | 2020-08-28 | 中国人民解放军国防科技大学 | Ramjet engine using plug nozzle |
| CN112796882A (en) * | 2020-12-30 | 2021-05-14 | 长江大学 | Reverse thrust system of turboprop engine |
| CN112796882B (en) * | 2020-12-30 | 2022-03-15 | 长江大学 | Reverse thrust system of turboprop engine |
| CN113107707A (en) * | 2021-04-28 | 2021-07-13 | 中国航发沈阳发动机研究所 | Engine spray pipe structure |
| CN114382610A (en) * | 2022-01-24 | 2022-04-22 | 厦门大学 | Adjustable jet pipe of detonation ramjet based on spiral oblique shock wave motion law |
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| CN105240158B (en) | 2017-09-22 |
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