CN107882652A - Sphere restrains omnidirectional's vector spray and has its aero-engine - Google Patents
Sphere restrains omnidirectional's vector spray and has its aero-engine Download PDFInfo
- Publication number
- CN107882652A CN107882652A CN201711103227.9A CN201711103227A CN107882652A CN 107882652 A CN107882652 A CN 107882652A CN 201711103227 A CN201711103227 A CN 201711103227A CN 107882652 A CN107882652 A CN 107882652A
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- China
- Prior art keywords
- sphere
- fixed
- converging portion
- section
- motion
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Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
Abstract
The present invention relates to aero-engine jet pipe and exhaust technique field,Specifically provide sphere convergence omnidirectional's vector spray and there is its aero-engine,Canned paragraph is fixed together with engine,Pressurized strut cylinder one end is connected with canned paragraph by revolute pair,The other end is connected with motion sphere converging portion by the way that ball is secondary,Circumferential pressurized strut asynchronous movement,Motion sphere converging portion is driven to be rotated around the centre of sphere,Realize the deflection vector function of jet pipe,Ball is connected with moving the bearing pin of sphere converging portion leading inside,And moved along the rail groove on sphere on the outside of canned paragraph,Ensure that motion sphere converging portion rotates around its centre of sphere all the time,So as to realize comprehensive 360 ° of deflection vectors,Expansion segment is connected using mechanical system and motion sphere converging portion,Sealing ring is installed on the outside of canned paragraph in the sealing ring mounting groove on sphere,It is circumferential to be contacted with motion sphere converging portion inner surface,Ensure combustion gas No leakage.
Description
Technical field
The present invention relates to aero-engine jet pipe and exhaust technique field, more particularly to sphere convergence omnidirectional's vector spray and
With its aero-engine.
Background technology
Axisymmetric vectoring exhaust nozzle and dual vector jet pipe are two kinds of vector sprays that current aero-engine uses, its axis
Symmetrical vector spray can realize comprehensive 360 ° of deflection vectors, and dual vector jet pipe can realize the deflection vector of pitch orientation.But
Axisymmetric vectoring exhaust nozzle is complicated, weight is larger, processing and manufacturing cost is high, and its physical dimension of dual vector jet pipe is big, again
Amount is big, manufacturing cost is higher.Therefore at present still without a kind of vector spray can using less component, simpler structure,
Lighter weight and lower cost realizes the function of 360 ° of deflection vectors of omnidirectional.
The content of the invention
To overcome at least one defect existing for above-mentioned prior art, the invention provides the vector spray of sphere convergence omnidirectional
Pipe, including：
One canned paragraph, it is fixed on engine afterbody；
One fixes sphere section, and the fixed segment trailer is fixed in its front portion, outside the fixed sphere section and the canned paragraph
Smooth surface transition, the fixed sphere segment trailer have an end face, the fixed sphere section outer wall close to the end along axle
To being provided with L seal groove, the fixed sphere section is provided with N number of rail groove vertically, and the rail groove is along the fixed sphere section
It is axially non-through structure, N >=3；
One motion sphere converging portion, itself and the fixed same centre of sphere of sphere section, the motion sphere converging portion front portion have
End face；
M pressurized strut, M >=3, described pressurized strut one end are connected with the canned paragraph by revolute pair, the piston of the other end
Bar is connected with the motion sphere converging portion outer wall by spherical pair；
N number of ball, for N number of ball respectively in N number of rail groove, the ball is connected to the sport ball by bearing pin
Face converging portion inwall simultaneously rotates along the rail groove；
One expansion segment, it is fixed on the motion sphere converging portion afterbody；
L sealing ring, it is respectively arranged in L seal groove of the fixed sphere section and restrained with the motion sphere
Section inwall contact.
Preferably, the M pressurized strut is circumferentially distributed on the outside of sphere convergence omnidirectional vector spray.
Preferably, M spans are 3~12.
Preferably, N number of rail groove is circumferentially distributed in the fixed sphere section.
Preferably, N spans are 3~12.
Preferably, L spans are 1~3.
Preferably, the expansion segment is axisymmetric taper barrel structure.
Preferably, the expansion segment is that circular cross-section smoothly transits structure to noncircular cross section.
Present invention also offers aero-engine, the aero-engine includes the vector spray of sphere as described above convergence omnidirectional
Pipe.
Sphere provided by the invention restrains omnidirectional's vector spray and has its aero-engine, real using less component
The function of the existing comprehensive 360 ° of deflection vectors of jet pipe, controls and easily realizes, simple and compact for structure, in light weight, cost is low, reliability
Height, successfully solve other machinery vector spray structural complexity, cost and the contradictory problems of weight three.
Brief description of the drawings
Embodiment below with reference to accompanying drawing description is exemplary, it is intended to for the explanation and illustration present invention, and can not be managed
Solve as the limitation to protection scope of the present invention.
Fig. 1 is a kind of shaft side figure of illustrative examples of the present invention；
Fig. 2 is stereograms of the Fig. 1 under another visual angle；
Fig. 3 is canned paragraph and the shaft side figure of fixed sphere section in Fig. 1；
Fig. 4 is the annexation figure of canned paragraph and motion sphere converging portion；
Fig. 5 is the shaft side figure of another illustrative examples of the present invention；
Fig. 6 is that the present invention is routinely receiving the sectional view under expansion state；
Fig. 7 is sectional view of the present invention under deflection vector state.
Reference：
10 canned paragraphs
20 fix sphere section
21 rail grooves
30 motion sphere converging portions
40 pressurized struts
50 balls
60 expansion segments
70 sealing rings
Embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.
It should be noted that：In the accompanying drawings, from beginning to end same or similar label represent same or similar element or
Element with same or like function.Described embodiment is part of the embodiment of the present invention, rather than whole implementation
Example, in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made,
Belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply meaning
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention be protected
Protect the limitation of scope.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical scheme.
As shown in Figures 1 and 2, the invention provides sphere convergence omnidirectional vector spray, including a canned paragraph 10, one
Fixed sphere section 20, motion sphere converging portions 30, M pressurized strut 40 (M >=3), N number of ball 50 (N >=3), an expansion segments
60 and L sealing ring 70 (L >=1).M spans are 3~12, M=4 in the present embodiment, and N spans are 3~12, this
N=4 in embodiment, L span are 1~3, L=1 in the present embodiment.
As shown in figure 3, canned paragraph 10 is fixed on engine afterbody, the inner surface of canned paragraph 10 is cylindrical blast tube, outside
Surface is cylinder, and pressurized strut mounting seat is provided with outer wall.
As shown in figure 3, the afterbody of canned paragraph 10 is fixed in the fixed front portion of sphere section 20, fix outside sphere section 20 and canned paragraph 10
Smooth surface transition, the fixed afterbody of sphere section 20 have end face, and the fixed outer wall of sphere section 20 is opened vertically close to the end
There is 1 seal groove, fixed sphere section 20 is provided with 4 rail grooves 21 vertically, and in the present embodiment, 4 rail grooves 21 are circumferential uniform
In fixed sphere section 20.The two side walls of rail groove 21 are plane, and rail groove 21 is along fixed sphere section 20 axially to be non-penetrating
Structure, the front end of rail groove 21 and the fixed front end of sphere section 20 have certain distance, and rear end and the fixed tail end of sphere section 20 have one
Set a distance.
As shown in figure 4, motion sphere converging portion 30 and the fixed 20 same centre of sphere of sphere section, 30 anterior tool of motion sphere converging portion
There is end face.
As shown in figure 4, the one end of pressurized strut 40 is connected with canned paragraph 10 by revolute pair, the piston rod and sport ball of the other end
The outer wall of face converging portion 30 is connected by spherical pair, and in the present embodiment, 4 pressurized struts 40 are circumferential to be distributed in sphere convergence omnidirectional vector
On the outside of jet pipe.The asynchronous movement of pressurized strut 40, drive motion sphere converging portion 30 to be rotated around the centre of sphere, realize the deflection vector work(of jet pipe
Energy.
For 4 balls 50 respectively in 4 rail grooves 21, ball 50 is connected to the inwall of motion sphere converging portion 30 simultaneously by bearing pin
Rotated along rail groove 21, ensure that motion sphere converging portion 30 rotates around its centre of sphere all the time, so as to realize comprehensive 360 ° of arrows
Amount deflection.
Expansion segment 60 is fixed on the afterbody of motion sphere converging portion 30.In the present embodiment, expansion segment 60 is axisymmetric taper
Barrel structure.As shown in figure 5, in another embodiment, expansion segment 60 is circular cross-section to smoothly transit structure to noncircular cross section.
1 sealing ring 70 is respectively arranged in 1 seal groove of fixed sphere section 20 and with moving in sphere converging portion 30
Wall contacts, and sealing ring 70 is preferably using graphite annulus as material, circumferential to be contacted with the motion inner surface of sphere converging portion 30, guarantee combustion
Gas No leakage.
Present invention also offers the aero-engine with sphere as described above convergence omnidirectional vector spray, jet pipe is realized
The function of comprehensive 360 ° of deflection vectors, successfully solves other machinery vector spray structural complexity, cost and weight three
Contradictory problems.
The operation principle of the present invention is as follows：
As shown in FIG. 6 and 7, when needing jet pipe to carry out deflection vector, the direction that deflects as needed, 4 pressurized struts
40 carry out different degrees of elongation or contraction, drive motion sphere converging portion 30 to be rotated in fixed sphere section 20 around the centre of sphere, revolve
While turning, ball 50 slides in the rail groove 21 of fixed sphere section 20, before the length of rail groove 21, motion sphere converging portion 30
The distance between end face and the fixed front end face of sphere section 20, the move distance of pressurized strut 40 are required to mutually be adapted, and prevent
Uncoordinated deflection or mistake deflection.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (9)
1. sphere convergence omnidirectional vector spray, it is characterised in that including：
One canned paragraph (10), it is fixed on engine afterbody；
One fixes sphere section (20), and the canned paragraph (10) afterbody is fixed in its front portion, the fixed sphere section (20) and described
Canned paragraph (10) outer surface smoother transition, fixed sphere section (20) afterbody have end face, and the fixed sphere section (20) is outside
Wall is provided with L seal groove vertically close to the end, and the fixed sphere section (20) is provided with N number of rail groove vertically
(21), the rail groove (21) is axially non-through structure along the fixed sphere section (20), N >=3；
One motion sphere converging portion (30), itself and the same centre of sphere of the fixed sphere section (20), the motion sphere converging portion (30)
Front portion has end face；
M pressurized strut (40), M >=3, described pressurized strut (40) one end is connected with the canned paragraph (10) by revolute pair, another
The piston rod at end is connected with described motion sphere converging portion (30) outer wall by spherical pair；
N number of ball (50), respectively in N number of rail groove (21), the ball (50) is connected N number of ball (50) by bearing pin
Rotate in motion sphere converging portion (30) inwall and along the rail groove (21)；
One expansion segment (60), it is fixed on described motion sphere converging portion (30) afterbody；
L sealing ring (70), its be respectively arranged in L seal groove of the fixed sphere section (20) and with the motion sphere
Converging portion (30) inwall contacts.
2. sphere convergence omnidirectional vector spray according to claim 1, it is characterised in that M pressurized strut (40) week
Restrained to sphere is distributed on the outside of omnidirectional's vector spray.
3. sphere convergence omnidirectional vector spray according to claim 2, it is characterised in that M spans are 3~12.
4. sphere convergence omnidirectional vector spray according to claim 1, it is characterised in that N number of rail groove (21) week
To being distributed in the fixed sphere section (20).
5. sphere convergence omnidirectional vector spray according to claim 4, it is characterised in that N spans are 3~12.
6. sphere convergence omnidirectional vector spray according to claim 1, it is characterised in that L spans are 1~3.
7. sphere convergence omnidirectional vector spray according to claim 1, it is characterised in that the expansion segment (60) is axle pair
The taper barrel structure of title.
8. sphere convergence omnidirectional vector spray according to claim 1, it is characterised in that the expansion segment (60) is circle
Section smoothly transits structure to noncircular cross section.
9. aero-engine, it is characterised in that it includes the sphere convergence as described in any claim in claim 1 to 8
Omnidirectional's vector spray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103227.9A CN107882652A (en) | 2017-11-10 | 2017-11-10 | Sphere restrains omnidirectional's vector spray and has its aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711103227.9A CN107882652A (en) | 2017-11-10 | 2017-11-10 | Sphere restrains omnidirectional's vector spray and has its aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882652A true CN107882652A (en) | 2018-04-06 |
Family
ID=61779912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711103227.9A Pending CN107882652A (en) | 2017-11-10 | 2017-11-10 | Sphere restrains omnidirectional's vector spray and has its aero-engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107882652A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225776A (en) * | 2018-04-08 | 2018-06-29 | 中国空气动力研究与发展中心计算空气动力研究所 | A kind of small-size turbojet engine vector spray testboard |
| CN109184947A (en) * | 2018-10-11 | 2019-01-11 | 西北工业大学 | A kind of Integral rotary convergence vector spray |
| CN110017219A (en) * | 2019-05-21 | 2019-07-16 | 东莞市飞翼电子科技有限公司 | A kind of ball-type vector spray |
| CN112555049A (en) * | 2020-12-03 | 2021-03-26 | 北方工业大学 | Outer sleeve type vectoring nozzle structure of micro turbojet engine |
| CN112761810A (en) * | 2021-01-15 | 2021-05-07 | 中国航发沈阳发动机研究所 | Aero-engine spray pipe and expansion piece pull rod structure thereof |
| CN113431701A (en) * | 2021-04-28 | 2021-09-24 | 中国航发沈阳发动机研究所 | Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof |
| CN114459769A (en) * | 2022-04-14 | 2022-05-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Small-size turbojet engine ground thrust vector calibration device |
| CN114878175A (en) * | 2022-04-15 | 2022-08-09 | 中国航发沈阳发动机研究所 | Outer culvert area synchronous adjusting mechanism of inner and outer culvert diversion exhaust system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277657A (en) * | 1998-07-22 | 2000-12-20 | 通用电气公司 | Vectoring nozzle control system |
| CN2428402Y (en) * | 1999-12-30 | 2001-05-02 | 王建军 | Universal vector spraying tube |
| CN204113489U (en) * | 2014-08-29 | 2015-01-21 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of structure preventing sphere contracting nozzle sphere adjustment sheet clamping stagnation |
-
2017
- 2017-11-10 CN CN201711103227.9A patent/CN107882652A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277657A (en) * | 1998-07-22 | 2000-12-20 | 通用电气公司 | Vectoring nozzle control system |
| CN2428402Y (en) * | 1999-12-30 | 2001-05-02 | 王建军 | Universal vector spraying tube |
| CN204113489U (en) * | 2014-08-29 | 2015-01-21 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of structure preventing sphere contracting nozzle sphere adjustment sheet clamping stagnation |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225776A (en) * | 2018-04-08 | 2018-06-29 | 中国空气动力研究与发展中心计算空气动力研究所 | A kind of small-size turbojet engine vector spray testboard |
| CN109184947A (en) * | 2018-10-11 | 2019-01-11 | 西北工业大学 | A kind of Integral rotary convergence vector spray |
| CN110017219A (en) * | 2019-05-21 | 2019-07-16 | 东莞市飞翼电子科技有限公司 | A kind of ball-type vector spray |
| CN112555049A (en) * | 2020-12-03 | 2021-03-26 | 北方工业大学 | Outer sleeve type vectoring nozzle structure of micro turbojet engine |
| CN112761810A (en) * | 2021-01-15 | 2021-05-07 | 中国航发沈阳发动机研究所 | Aero-engine spray pipe and expansion piece pull rod structure thereof |
| CN113431701A (en) * | 2021-04-28 | 2021-09-24 | 中国航发沈阳发动机研究所 | Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof |
| CN113431701B (en) * | 2021-04-28 | 2022-07-15 | 中国航发沈阳发动机研究所 | Pipeline connection structure and spherical surface convergence vectoring nozzle structure thereof |
| CN114459769A (en) * | 2022-04-14 | 2022-05-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Small-size turbojet engine ground thrust vector calibration device |
| CN114878175A (en) * | 2022-04-15 | 2022-08-09 | 中国航发沈阳发动机研究所 | Outer culvert area synchronous adjusting mechanism of inner and outer culvert diversion exhaust system |
| CN114878175B (en) * | 2022-04-15 | 2024-02-23 | 中国航发沈阳发动机研究所 | Outer culvert area synchronous regulating mechanism of inner culvert and outer culvert split-flow exhaust system |
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Application publication date: 20180406 |
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