CN109736964A - A kind of sliding can throw throatable nozzle - Google Patents
A kind of sliding can throw throatable nozzle Download PDFInfo
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- CN109736964A CN109736964A CN201811494245.9A CN201811494245A CN109736964A CN 109736964 A CN109736964 A CN 109736964A CN 201811494245 A CN201811494245 A CN 201811494245A CN 109736964 A CN109736964 A CN 109736964A
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- larynx
- wall
- larynx lining
- snap ring
- spout body
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Abstract
A kind of sliding can throw throatable nozzle, be related to Ramjet Technique field；Including larynx lining component, support sliding rail, supporting block, boosting bullet, snap ring, spout body and snap ring locking device；Wherein, spout body is horizontal positioned hollow cylinder structure；Support sliding rail is coaxially fixedly mounted on the outlet end of spout body；Larynx serves as a contrast component setting in support sliding rail inner tracks, realizes that larynx lining component is axially moved horizontally along support sliding rail；Supporting block is fixed at the inner sidewall of larynx lining component；Boosting bullet protrudes into spout body from the axial entrance end of spout body, and the bullet of boosting bullet serves as a contrast component touch by supporting block and larynx；Snap ring locking device is arranged in the inner wall of spout body；Snap ring is fixedly mounted on the inner wall of spout body, and the position of snap ring is corresponding with snap ring locking device；The present invention realizes the requirement for the big adjusting ratio that conventional flap adjustable jet can satisfy.
Description
Technical field
The present invention relates to a kind of Ramjet Technique field, especially a kind of sliding can throw throatable nozzle.
Background technique
Punching engine works under multi-state High Mach number environment, it is desirable that jet pipe can not only work in biggish blow down ratio
In range, moreover it is possible to adapt to significantling change for flow, therefore can be according to the change of state of flight and engine behavior for nozzle throat
Change is effectively adjusted.With the continuous improvement required engine performance, the adjusting ratio of engine variable nozzle throat is wanted
Ask also increasing.
Also, with the development of punching engine, scramjet combustor and the integrated continuous intensification of boosting bullet,
It is a main compression space technological approaches that boosting bullet, which slips into scramjet combustor, and nozzle throat needs to meet three
A throat's station: installation throat's station (throat is maximum) → small throat's station (throat is minimum) → big throat station (throat time is big)
Actuation process.It is smoothly slipped into inside scramjet combustor to meet boosting bullet, it is desirable that the jet pipe larynx of punching engine
Portion's diameter in initially installation boosting bullet can as far as possible big, this further increases punching engine adjustable jet throat and adjusts ratio
Requirement.
Biggish nozzle throat is adjusted than keeping the design of flap adjustable jet more difficult, using maximum throat as design basis,
Then the big flap adjustable jet for adjusting ratio will appear the problem of flap is excessively staggeredly interfered in small throat；With minimum throat
For design basis, then the problem of sheet body separates when will appear big throat.Therefore for punching engine adjustable jet, the big tune of throat
Saving ratio is a design challenges.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of the prior art, throatable nozzle can be thrown by providing a kind of sliding,
Realize the requirement for the big adjusting ratio that conventional flap adjustable jet can satisfy.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of sliding can throw throatable nozzle, including larynx lining component, support sliding rail, supporting block, boosting bullet, snap ring, spray
Tube body, snap ring locking device and combustion chamber；Wherein, spout body is horizontal positioned hollow cylinder structure；Combustion chamber is coaxially solid
Dingan County is mounted in the outlet end of spout body；Sliding rail is fixed on the inner wall of combustion chamber；Larynx serves as a contrast component setting in support sliding rail
In inner tracks, realize that larynx lining component is axially moved horizontally along support sliding rail；Supporting block is fixed at the inside of larynx lining component
Wall；The outer wall gluing of supporting block；Boosting bullet protrudes into spout body from the axial entrance end of spout body, and the bullet of boosting bullet is logical
It crosses supporting block and larynx serves as a contrast component touch；Snap ring locking device is arranged in the inner wall of spout body；Snap ring is fixedly mounted on jet pipe sheet
On the inner wall of body, and the position of snap ring is corresponding with snap ring locking device.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, the larynx lining component includes big larynx lining and small larynx lining；Wherein,
Small larynx lining is cone section structure；Big larynx bushing is mounted in the outer wall of small larynx lining；Supporting block is fixedly mounted on the inner wall of small larynx lining.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, the outer wall of the big larynx lining is cylindrical structure；Big larynx lining
Outer wall with support sliding rail be slidably connected；The inner wall of big larynx lining is biconical surface structure；The outer wall of one of conical surface and small larynx lining
Taper is identical, realizes that big larynx lining inner wall serves as a contrast being coupled for outer wall with small larynx.It is arranged on the outer wall of big larynx lining fluted.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, is carried out between big larynx lining and small larynx lining by high temperature melting glue
Bonding；Setting is fluted at the outer wall of big larynx lining.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, the support sliding rail and supporting block are all made of flammable hard bubble
Foam material.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, when boosting shot wad enters spout body, boosting bullet bullet end
It is Nian Jie with supporting block；Boosting bullet by supporting block push larynx serve as a contrast component along support sliding rail move horizontally, until boosting projectile tail end with
The limit cooperation of spout body axial entrance end, assembly are completed.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, when combustion chamber operational, combustion chamber is exported to spout body
Air-flow；Air-flow pushes larynx lining component and boosting bullet to move along support sliding rail to spout body axial entrance end；Until larynx serves as a contrast component
It is moved at snap ring；Snap ring, which is locked, by snap ring locking device realizes that the limit for serving as a contrast component to larynx stops；Boosting bullet is in outer gas stream
The glue-line that supporting block is torn under pressure difference, exits engine jet pipe completely.
A kind of sliding stated can throw throatable nozzle, and the inner wall of the spout body is provided with elastic slice；The position of elastic slice
It is corresponding with the big larynx lining groove location of outer wall.
Throatable nozzle can be thrown in a kind of above-mentioned sliding, when being switched to big throat's station, elastic slice stretches out jet pipe sheet
The inner wall of body is embedded in the groove of big larynx lining outer wall, realizes the fixed limit served as a contrast to big larynx；The heat that combustion chamber operational generates will
High temperature melting glue between big larynx lining and small larynx lining melts, and big larynx lining is detached from small larynx lining, meanwhile, snap ring locking device is to snap ring solution
Lock；Small larynx lining and snap ring are detached from spout body under air-flow promotion.
The invention has the following advantages over the prior art:
(1) the big adjusting ratio that the present invention can satisfy that conventional flap adjustable jet is unable to satisfy requires, and starts punching press
Machine and boosting bullet are highly integrated, save space, it can be achieved that punching engine miniaturization；
(2) present invention locks snap ring by snap ring locking device and realizes that the limit for serving as a contrast component to larynx stops when combustion chamber operational
Only；Boosting bullet tears the glue-line of supporting block under external air-flow differential, exits engine jet pipe completely；Both completely retain larynx lining group
Part, but application solutions boosting bullet is detached from；
(3) for the present invention when being switched to big throat's station, elastic slice stretches out the inner wall of spout body, is embedded in big larynx lining outer wall
In groove, the fixed limit served as a contrast to big larynx is realized；Big larynx lining is detached from small larynx lining, meanwhile, snap ring locking device unlocks snap ring；It is small
Larynx lining and snap ring are detached from spout body under air-flow promotion；Not only big larynx lining had completely been remained, but also application solutions small larynx lining and card
The disengaging of ring.
Detailed description of the invention
Fig. 1 is adjustable jet overall schematic of the present invention；
Fig. 2 is that the big larynx of the present invention serves as a contrast schematic diagram；
Fig. 3 is that small larynx of the present invention serves as a contrast schematic diagram；
Fig. 4 is that elastic slice of the present invention is embedded in big larynx lining groove schematic diagram.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments:
The present invention, which provides a kind of sliding, can throw throatable nozzle, the present invention can satisfy conventional flap adjustable jet without
Big adjustings that method meets keeps punching engine and boosting bullet highly integrated than requirement, and saving space is, it can be achieved that punching engine
Miniaturization.
It is as shown in Figure 1 adjustable jet overall schematic, as seen from the figure, a kind of sliding can throw throatable nozzle, including
Larynx serves as a contrast component 1, support sliding rail 2, supporting block 3, boosting bullet 4, snap ring 5, spout body 6, snap ring locking device 7 and combustion chamber 8；Its
In, spout body 6 is horizontal positioned hollow cylinder structure；Combustion chamber 8 is coaxially fixedly mounted on the outlet end of spout body 6；
Sliding rail 2 is fixed on the inner wall of combustion chamber 8；Larynx serves as a contrast the setting of component 1 in support 2 inner tracks of sliding rail, realizes larynx lining group
Part 1 is axially moved horizontally along support sliding rail 2；Supporting block 3 is fixed at the inner sidewall of larynx lining component 1；The outer wall of supporting block 3 applies
Glue；Boosting bullet 4 protrudes into spout body 6 from the axial entrance end of spout body 6, and the bullet of boosting bullet 4 passes through supporting block 3 and larynx
Component 1 is served as a contrast to contact；Snap ring locking device 7 is arranged in the inner wall of spout body 6；Snap ring 5 is fixedly mounted on the inner wall of spout body 6
On, and the position of snap ring 5 is corresponding with snap ring locking device 7.Support sliding rail 2 and supporting block 3 are all made of flammable hard foam.?
After engine chamber ignition operation, it can be burned out.
It is illustrated in figure 2 big larynx lining schematic diagram, is illustrated in figure 3 small larynx lining schematic diagram, as seen from the figure, larynx serves as a contrast component 1 and wraps
Include big larynx lining 1-1 and small larynx lining 1-2；Wherein, small larynx lining 1-2 is cone section structure；Big larynx lining 1-1 is sleeved on the outer of small larynx lining 1-2
Wall；Supporting block 3 is fixedly mounted on the inner wall of small larynx lining 1-2.
Wherein, the outer wall of big larynx lining 1-1 is cylindrical structure；The outer wall of big larynx lining 1-1 is slidably connected with support sliding rail 2；
The inner wall of big larynx lining 1-1 is biconical surface structure；One of conical surface is identical as the small larynx lining outer wall taper of 1-2, realizes big larynx lining
1-1 inner wall is coupled with small larynx lining 1-2 outer wall.It is arranged on the outer wall of big larynx lining 1-1 fluted.Big larynx lining 1-1 and small larynx
It is bonded between lining 1-2 by high temperature melting glue；High temperature melting glue glue-line at 500 DEG C of high temperature or more fails.Big larynx serves as a contrast 1-1
Outer wall at setting it is fluted.
When boosting bullet 4 fills in spout body 6,4 bullet end of boosting bullet is Nian Jie with supporting block 3；Boosting bullet 4 passes through supporting block
3 promotion larynx lining components 1 are moved horizontally along support sliding rail 2, until 4 tail end of boosting bullet is matched with the limit of 6 axial entrance end of spout body
It closes, assembly is completed.
When combustion chamber 8 works, combustion chamber 8 is to 6 output gas flow of spout body；Air-flow pushes larynx lining component 1 and boosting bullet 4
It is moved along support sliding rail 2 to 6 axial entrance end of spout body；Until larynx lining component 1 is moved at snap ring 5；Pass through snap ring locking
Device 7 locks snap ring 5, and snap ring 5 can prevent small larynx from serving as a contrast and realize that the limit to larynx lining component 1 stops to air-flow rear slide；Boosting bullet
4 tear the glue-line of supporting block 3 under external air-flow differential, exit engine jet pipe completely.Jet pipe state is small throat's shape at this time
State.
It is illustrated in figure 4 elastic slice and is embedded in big larynx lining groove schematic diagram, the inner wall of the spout body 6 is provided with elastic slice 61；
The position of elastic slice 61 is corresponding with the big larynx lining groove location of 1-1 outer wall.When being switched to big throat's station, elastic slice 61 stretches out jet pipe
The inner wall of ontology 6 is embedded in the groove of big larynx lining 1-1 outer wall, realizes fixed the limiting to big larynx lining 1-1；The work of combustion chamber 8 produces
Big larynx is served as a contrast the high temperature melting glue between 1-1 and small larynx lining 1-2 and melted by raw heat, and big larynx lining 1-1 and small larynx lining 1-2 are detached from,
Meanwhile snap ring locking device 7 unlocks snap ring 5；Small larynx serves as a contrast 1-2 and snap ring 5 and is detached from spout body 6 under air-flow promotion.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (9)
1. a kind of sliding can throw throatable nozzle, it is characterised in that: including larynx lining component (1), support sliding rail (2), supporting block
(3), boosting bullet (4), snap ring (5), spout body (6), snap ring locking device (7) and combustion chamber (8)；Wherein, spout body (6) is
Horizontal positioned hollow cylinder structure；Combustion chamber (8) is coaxially fixedly mounted on the outlet end of spout body (6)；Sliding rail (2) is fixed
It is arranged on the inner wall of combustion chamber (8)；Larynx serves as a contrast component (1) setting in support sliding rail (2) inner tracks, realizes that larynx serves as a contrast component
(1) it is axially moved horizontally along support sliding rail (2)；Supporting block (3) is fixed at the inner sidewall of larynx lining component (1)；Supporting block (3)
Outer wall gluing；Boosting bullet (4) protrudes into spout body (6) from the axial entrance end of spout body (6), and the bullet of boosting bullet (4)
Head is contacted by supporting block (3) with larynx lining component (1)；Snap ring locking device (7) is arranged in the inner wall of spout body (6)；Snap ring
(5) it is fixedly mounted on the inner wall of spout body (6), and the position of snap ring (5) is corresponding with snap ring locking device (7).
2. a kind of sliding according to claim 1 can throw throatable nozzle, it is characterised in that: the larynx serves as a contrast component (1)
Including big larynx lining (1-1) and small larynx lining (1-2)；Wherein, small larynx lining (1-2) is cone section structure；Big larynx lining (1-1) is sleeved on small larynx
Serve as a contrast the outer wall of (1-2)；Supporting block (3) is fixedly mounted on the inner wall of small larynx lining (1-2).
3. a kind of sliding according to claim 2 can throw throatable nozzle, it is characterised in that: the big larynx lining (1-1)
Outer wall be cylindrical structure；The outer wall of big larynx lining (1-1) is slidably connected with support sliding rail (2)；The inner wall of big larynx lining (1-1) is
Biconical surface structure；One of conical surface is identical as the small larynx lining outer wall taper of (1-2), realizes big larynx lining (1-1) inner wall and small larynx
Lining (1-2) outer wall is coupled.It is arranged on the outer wall of big larynx lining (1-1) fluted.
4. a kind of sliding according to claim 3 can throw throatable nozzle, it is characterised in that: big larynx lining (1-1) with it is small
It is bonded between larynx lining (1-2) by high temperature melting glue；Setting is fluted at the outer wall of big larynx lining (1-1).
5. a kind of sliding according to claim 4 can throw throatable nozzle, it is characterised in that: the support sliding rail (2)
Flammable hard foam is all made of with supporting block (3).
6. a kind of sliding according to claim 5 can throw throatable nozzle, it is characterised in that: when boosting bullet (4) is filled in
When spout body (6), boosting bullet (4) bullet end is Nian Jie with supporting block (3)；Boosting bullet (4) pushes larynx lining group by supporting block (3)
Part (1) is moved horizontally along support sliding rail (2), until boosting bullet (4) tail end and the limit of spout body (6) axial entrance end cooperate,
Assembly is completed.
7. a kind of sliding according to claim 6 can throw throatable nozzle, it is characterised in that: when combustion chamber (8) work
When, combustion chamber (8) are to spout body (6) output gas flow；Air-flow pushes larynx lining component (1) and boosting bullet (4) along support sliding rail (2)
It is mobile to spout body (6) axial entrance end；Until larynx lining component (1) is moved at snap ring (5)；Pass through snap ring locking device (7)
It locks snap ring (5) and realizes that the limit to larynx lining component (1) stops；Boosting bullet (4) tears supporting block (3) under external air-flow differential
Glue-line, exit engine jet pipe completely.
8. a kind of sliding according to claim 7 can throw throatable nozzle, it is characterised in that: the spout body (6)
Inner wall be provided with elastic slice (61)；The groove location that the position of elastic slice (61) serves as a contrast (1-1) outer wall with big larynx is corresponding.
9. a kind of sliding according to claim 8 can throw throatable nozzle, it is characterised in that: when being switched to big throat's work
When position, elastic slice (61) stretches out the inner wall of spout body (6), is embedded in the groove of big larynx lining (1-1) outer wall, realizes and serve as a contrast to big larynx
The fixed limit of (1-1)；Big larynx is served as a contrast the high temperature melting between (1-1) and small larynx lining (1-2) by the heat that combustion chamber (8) work generates
Change glue fusing, big larynx lining (1-1) and small larynx lining (1-2) are detached from, meanwhile, snap ring locking device (7) unlocks snap ring (5)；Small larynx lining
(1-2) and snap ring (5) are detached from spout body (6) under air-flow promotion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494245.9A CN109736964B (en) | 2018-12-07 | 2018-12-07 | Sliding throwable throat adjustable spray pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811494245.9A CN109736964B (en) | 2018-12-07 | 2018-12-07 | Sliding throwable throat adjustable spray pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109736964A true CN109736964A (en) | 2019-05-10 |
| CN109736964B CN109736964B (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811494245.9A Active CN109736964B (en) | 2018-12-07 | 2018-12-07 | Sliding throwable throat adjustable spray pipe |
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| Country | Link |
|---|---|
| CN (1) | CN109736964B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4327886A (en) * | 1972-11-30 | 1982-05-04 | The United States Of America As Represented By The Secretary Of The Navy | Integral rocket ramjet missile |
| US4364530A (en) * | 1980-09-08 | 1982-12-21 | The United States Of America As Represented By The Secretary Of The Navy | Propulsion/control modular booster |
| JPH05180077A (en) * | 1991-12-27 | 1993-07-20 | Nissan Motor Co Ltd | Nozzle structure for ram jet |
| JPH08326604A (en) * | 1995-05-31 | 1996-12-10 | Nissan Motor Co Ltd | Solid rocket engine |
| US20060112674A1 (en) * | 2004-11-29 | 2006-06-01 | United Technologies Corporation | Semi-axisymmetric scramjet flowpath with conformal nozzle |
| CN105129096A (en) * | 2015-07-14 | 2015-12-09 | 洛阳大智实业有限公司 | Novel dual-power tandem loitering powerplant |
-
2018
- 2018-12-07 CN CN201811494245.9A patent/CN109736964B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4327886A (en) * | 1972-11-30 | 1982-05-04 | The United States Of America As Represented By The Secretary Of The Navy | Integral rocket ramjet missile |
| US4364530A (en) * | 1980-09-08 | 1982-12-21 | The United States Of America As Represented By The Secretary Of The Navy | Propulsion/control modular booster |
| JPH05180077A (en) * | 1991-12-27 | 1993-07-20 | Nissan Motor Co Ltd | Nozzle structure for ram jet |
| JPH08326604A (en) * | 1995-05-31 | 1996-12-10 | Nissan Motor Co Ltd | Solid rocket engine |
| US20060112674A1 (en) * | 2004-11-29 | 2006-06-01 | United Technologies Corporation | Semi-axisymmetric scramjet flowpath with conformal nozzle |
| CN105129096A (en) * | 2015-07-14 | 2015-12-09 | 洛阳大智实业有限公司 | Novel dual-power tandem loitering powerplant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109736964B (en) | 2020-04-28 |
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