CN109441664A - A kind of soft interlayer of integration dipulse solid engines - Google Patents
A kind of soft interlayer of integration dipulse solid engines Download PDFInfo
- Publication number
- CN109441664A CN109441664A CN201811635726.7A CN201811635726A CN109441664A CN 109441664 A CN109441664 A CN 109441664A CN 201811635726 A CN201811635726 A CN 201811635726A CN 109441664 A CN109441664 A CN 109441664A
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- China
- Prior art keywords
- sleeve
- cone
- integration
- dipulse
- soft interlayer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of soft interlayers of integrated dipulse solid engines, are related to Double pulse solid rocket motor technical field.The soft interlayer that the present invention designs includes cone, sleeve and connector sleeve, and cone includes ethylene-propylene-diene monomer glue-line and carbon cloth layer；Sleeve includes ethylene-propylene-diene monomer glue-line, carbon cloth layer and carbon fiber winding layer；Connector sleeve one end is connect with igniter, the other end and sleeve are connected far from one end of cone, realize the impulsive quarantine of dipulse engine, being sealed by cone with the connection of the bonding and connector sleeve of the heat insulation layer of one or two pulses and igniter can be achieved integrated molding, this process simplify integrated forming techniques, passive quality can be effectively reduced, motor mass fraction is improved.
Description
Technical field
The present invention relates to Double pulse solid rocket motor technical fields, are specifically related to a kind of integrated dipulse solid
The soft interlayer of engine.
Background technique
Integrated Double pulse solid rocket motor mainly includes two sections of independent powder columns and its ignition system, shares one
Combustion chamber and jet pipe.Combustion chamber is separated into a pulse combustor and two pulse combustors by impulsive quarantine device, and passes through pulse
Isolating device realizes being isolated for two pulses with the connection of combustion chamber heat insulation layer and igniter.Pass as dipulse engine
Key member, the effect of impulsive quarantine device are to play the role of sealing and thermal protection to two pulse powder columns in a pulsed operation,
Pulse isolating device is opened rapidly under pressure when two pulsed operations, provides gas flow channel for the second pulse, together
When open product cannot influence engine work.
Existing impulsive quarantine device generally uses hard barrier type, and it is of less demanding that hard barrier type is mainly used for mass ratio
Minor diameter dipulse engine can individually produce and test, be easy to fill its advantage is that one or two pulse propellants influence each other small
Match.The disadvantage is that hard partition needs certain thickness as bearing structure, and density of material is high, and passive quality is big, is not used to
Major diameter dipulse engine.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, a kind of integrated dipulse solid is provided and is started
The soft interlayer of machine realizes being effectively isolated for one or two pulse combustors, guarantees Double pulse solid rocket motor reliably working.
The present invention provides a kind of integrated dipulse solid engines soft interlayer, including cone, sleeve and connector sleeve:
The cone includes for the first fixed fixed part with one or two pulse combustors and for fixing with the sleeve
The second fixed part, first fixed part be set to the larger one end of the cone diameter, second fixed part be set to the cone
The smaller one end of body diameter；The cone includes ethylene-propylene-diene monomer glue-line and carbon cloth layer；
The sleeve includes ethylene-propylene-diene monomer glue-line, carbon cloth layer and carbon fiber winding layer；
Described connector sleeve one end is connect with igniter, and the other end is connect with the sleeve far from one end of the cone.
On the basis of above scheme, the described first fixed cross section is T-shaped.
On the basis of above scheme, the vertical section of first fixed part and to two pulse combustors extend side be
Carbon cloth layer, rest part are ethylene-propylene-diene monomer glue-line.
On the basis of above scheme, the carbon cloth layer and carbon fiber winding layer of the sleeve are set in ethylene-propylene-diene monomer glue-line
Between.
On the basis of above scheme, the connector sleeve uses metal material.
On the basis of above scheme, the connector sleeve connect one end outer ring surface with igniter equipped with seal groove.
On the basis of above scheme, the connector sleeve connect one end with igniter equipped with internal thread hole.
On the basis of above scheme, first fixed part is connect with one or two pulse combustors using bonding way.
On the basis of above scheme, second fixed part is connect with the sleeve using bonding way.
On the basis of above scheme, second fixed part and the sleeve bonding plane are ethylene-propylene-diene monomer glue-line,
It is integrated after bonding by cure under pressure.
Compared with prior art, advantages of the present invention is as follows:
The soft interlayer that the present invention designs, realizes the impulsive quarantine of dipulse engine, passes through cone and one or two pulses
Heat insulation layer bonding and connector sleeve and igniter connection seal can be achieved integrated molding, this process simplify integrations
Moulding process can effectively reduce passive quality, improve motor mass fraction.
Detailed description of the invention
Fig. 1 is the integrated soft interlayer of dipulse solid engines of the embodiment of the present invention；
Fig. 2 is the cone of the integrated soft interlayer of dipulse solid engines of the embodiment of the present invention；
Fig. 3 is the sleeve of the integrated soft interlayer of dipulse solid engines of the embodiment of the present invention；
Fig. 4 is the connector sleeve of the integrated soft interlayer of dipulse solid engines of the embodiment of the present invention；
Fig. 5 is the connector sleeve left view of the integrated soft interlayer of dipulse solid engines of the embodiment of the present invention.
Wherein, 1- cone, the first fixed part of 11-, the second fixed part of 12-, 1a- carbon cloth layer, 1b- ethylene-propylene-diene monomer glue-line,
2- sleeve, 2a- carbon fiber winding layer, 2b- carbon cloth layer, 2c- ethylene-propylene-diene monomer glue-line, 3- connector sleeve, 31- seal groove, spiral shell in 32-
Pit.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of integrated dipulse solid engines soft interlayer, including cone
Body 1, sleeve 2 and connector sleeve 3:
Shown in Figure 2, the cone 1 includes for the first fixed fixed part 11 with one or two pulse combustors and being used for
The second fixed fixed part 12 with the sleeve 2, first fixed part 11 is set to the cone 1 and is relatively large in diameter one end, described
Second fixed part 12 is set to the smaller one end of 1 diameter of cone；The cone 1 includes ethylene-propylene-diene monomer glue-line 1b and carbon cloth layer
1a increases by 1 intensity of cone, guarantees that cone 1 is not from cone when complete 1 result of a pulsed operation pressure lower cone and two pulsed operations
1 root is pulled off to generate piece of debris.
Shown in Figure 3, the sleeve 2 uses ring structure, and inside is a pulse firing channel.Sleeve 2 includes ternary
Ethylene-propylene rubber layer 2c, carbon cloth layer 2b and carbon fiber winding layer 2a improve 2 intensity of sleeve.
Shown in Figure 4, the connector sleeve 3 uses metal material, is embedded in 2 head of partition sleeve, is molded into sleeve 2
Type, the other end are connect with igniter.
The soft interlayer of design of the embodiment of the present invention, realizes the impulsive quarantine of dipulse engine, passes through cone 1 and one
The connection of the bonding and connector sleeve 3 and igniter of the heat insulation layer of two pulses, which seals, can be achieved integrated molding, and this method simplifies
Integrated forming technique can effectively reduce passive quality, improve motor mass fraction.
Shown in Figure 2, as preferred embodiment, 11 cross section of the first fixed part is T-shaped, is convenient for and one or two
The connection of pulse combustor heat insulation layer.
It is shown in Figure 2, as preferred embodiment, the vertical section of first fixed part 11 and to two pulse-combustions
The side that room extends is carbon cloth floor 1a, and effect is to guarantee the complete of spacer structure under one high voltage pulse working environment of engine
Property and guarantee after two pulse firing interlayers opening the integrality of cone 1, it is ensured that cone 1 does not disconnect generating stifled spray from root
The serious consequence of pipe.Rest part is ethylene-propylene-diene monomer glue-line 1b, its main feature is that having preferable ablation resistance, it is ensured that a pulse
Heat is not delivered to two pulses so as to cause the two overdue combustions of pulse powder column when work, while ethylene propylene diene rubber has and preferably prolongs
Stretch rate, it is ensured that a pulsed operation pressure lower clapboard is constantly broken in the process with two pulse grain deformations.
Shown in Figure 3, as preferred embodiment, the carbon cloth layer 2b and carbon fiber winding layer 2a of the sleeve 2 are set
Among ethylene-propylene-diene monomer glue-line 2c.Carbon fiber winding layer 2a is for improving 2 intensity of sleeve.Carbon cloth layer 2b is used for 2 intensity of sleeve
By high transition on earth, a pulsed operation pressure lower sleeve 2 is avoided to disconnect from the carbon fiber winding root layer 2a.Remaining position is three
First EP rubbers material 2c, to improve 2 ablation resistance of sleeve and non-deformability.
Referring to fig. 4, shown in 5, as preferred embodiment, the connector sleeve 3 connect one end outer ring surface with igniter
Equipped with radial seal groove 31.Cooperation sealing ring is sealed with two pulse ignition devices, realizes the isolation of one or two pulses.
Referring to fig. 4, shown in 5, as preferred embodiment, the connector sleeve 3 connect one end with igniter equipped with interior
Threaded hole 32.By the cooperation with igniter screw, the connection with igniter is realized.
As preferred embodiment, connector sleeve 3 uses metal material, is embedded in 2 head of partition sleeve, is molded with sleeve 2
Molding.It is shown in Figure 1, after cone 1 and sleeve 2 are pressed and molded respectively, the pulse combustor of the first fixed part 11 and one or two
It is Nian Jie with combustion chamber heat insulation layer by bonding plane K2, K3, since 11 material of the first fixed part of soft interlayer and combustion chamber are insulated
Layer material is identical, therefore it is integral to be bonded solidification.
Shown in Figure 1 as preferred embodiment, second fixed part 12 passes through bonding plane with the sleeve 2
K1 is bonded curing molding.Second fixed part 12 and 2 bonding plane of sleeve are ethylene-propylene-diene monomer glue-line, are passed through after bonding
Cure under pressure is integrated.
The soft interlayer course of work: soft interlayer is deformed with two pulse powder columns when pulsed motor work, is played
Heat-insulated and sealing function.Two pulsed motors igniting after interlayer can compared under low pressure from 2 junction L of cone 1 and sleeve (referring to
Shown in Fig. 1) it opens, it opens posterior pyramids 1 and is burned the pulling of room heat insulation layer, sleeve 2 is connect by connector sleeve 3 with igniter, because
This will not generate fragment and combustion chamber and jet pipe are damaged or blocked.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of soft interlayer of integration dipulse solid engines, which is characterized in that including cone (1), sleeve (2) and connection
It covers (3):
The cone (1) includes for first fixed part (11) fixed with one or two pulse combustors and being used for and the sleeve
(2) fixed the second fixed part (12), first fixed part (11) are set to the cone (1) and are relatively large in diameter one end, and described the
Two fixed parts (12) are set to the cone (1) smaller one end of diameter；The cone (1) includes ethylene-propylene-diene monomer glue-line (1b) and carbon
Layer of cloth (1a)；
The sleeve (2) includes ethylene-propylene-diene monomer glue-line (2c), carbon cloth layer (2b) and carbon fiber winding layer (2a)；
Described connector sleeve (3) one end is connect with igniter, the one end of the other end and the sleeve (2) far from the cone (1)
Connection.
2. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: described first is fixed
Portion (11) cross section is T-shaped.
3. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: described first is fixed
The vertical section in portion (11) and the side extended to two pulse combustors are carbon cloth layer (1a), and rest part is ethylene-propylene-diene monomer glue-line
(1b)。
4. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: the sleeve (2)
Carbon cloth layer (2b) and carbon fiber winding layer (2a) to be set to ethylene-propylene-diene monomer glue-line (2c) intermediate.
5. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: the connector sleeve
(3) metal material is used.
6. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: the connector sleeve
(3) one end outer ring surface is connect with igniter equipped with seal groove (31).
7. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: the connector sleeve
(3) one end is connect with igniter equipped with internal thread hole (32).
8. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: described first is fixed
Portion (11) is connect with one or two pulse combustors using bonding way.
9. the soft interlayer of integration dipulse solid engines as described in claim 1, it is characterised in that: described second is fixed
Portion (12) is connect with the sleeve (2) using bonding way.
10. the soft interlayer of integration dipulse solid engines as claimed in claim 9, it is characterised in that: described second is solid
Determining portion (12) and the sleeve (2) bonding plane is ethylene-propylene-diene monomer glue-line, is integrated after bonding by cure under pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635726.7A CN109441664A (en) | 2018-12-29 | 2018-12-29 | A kind of soft interlayer of integration dipulse solid engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635726.7A CN109441664A (en) | 2018-12-29 | 2018-12-29 | A kind of soft interlayer of integration dipulse solid engines |
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| Publication Number | Publication Date |
|---|---|
| CN109441664A true CN109441664A (en) | 2019-03-08 |
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ID=65539672
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811635726.7A Pending CN109441664A (en) | 2018-12-29 | 2018-12-29 | A kind of soft interlayer of integration dipulse solid engines |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159455A (en) * | 2019-05-30 | 2019-08-23 | 湖北航天技术研究院总体设计所 | A kind of top cover body of dipulse solid engines |
| CN110594039A (en) * | 2019-08-20 | 2019-12-20 | 西安航天动力技术研究所 | Interlayer structure for reducing interlayer strain of double-pulse solid engine |
| CN110595782A (en) * | 2019-08-18 | 2019-12-20 | 南京理工大学 | Shaft-diameter mixed double-pulse soft interlayer work simulation device |
| CN110630404A (en) * | 2019-08-20 | 2019-12-31 | 西安航天动力技术研究所 | Double-pulse solid engine |
| CN111409290A (en) * | 2020-03-31 | 2020-07-14 | 江南大学 | Flexible woven soft interlayer for pulse engine and manufacturing method |
| CN111734553A (en) * | 2020-07-03 | 2020-10-02 | 宁波曙翔新材料股份有限公司 | Double-pulse engine combustion chamber shell and forming method |
| CN112628022A (en) * | 2020-12-15 | 2021-04-09 | 北京动力机械研究所 | Double-pulse solid rocket engine ignition device suitable for soft partition plate structure |
| US11988173B2 (en) | 2020-10-21 | 2024-05-21 | Raytheon Company | Multi-pulse propulsion system with passive initiation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003354A (en) * | 2015-06-08 | 2015-10-28 | 湖北三江航天江北机械工程有限公司 | Preparation method of soft partition plate for double pulse engine |
-
2018
- 2018-12-29 CN CN201811635726.7A patent/CN109441664A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003354A (en) * | 2015-06-08 | 2015-10-28 | 湖北三江航天江北机械工程有限公司 | Preparation method of soft partition plate for double pulse engine |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159455A (en) * | 2019-05-30 | 2019-08-23 | 湖北航天技术研究院总体设计所 | A kind of top cover body of dipulse solid engines |
| CN110595782A (en) * | 2019-08-18 | 2019-12-20 | 南京理工大学 | Shaft-diameter mixed double-pulse soft interlayer work simulation device |
| CN110594039A (en) * | 2019-08-20 | 2019-12-20 | 西安航天动力技术研究所 | Interlayer structure for reducing interlayer strain of double-pulse solid engine |
| CN110630404A (en) * | 2019-08-20 | 2019-12-31 | 西安航天动力技术研究所 | Double-pulse solid engine |
| CN110630404B (en) * | 2019-08-20 | 2021-11-19 | 西安航天动力技术研究所 | Double-pulse solid engine |
| CN111409290A (en) * | 2020-03-31 | 2020-07-14 | 江南大学 | Flexible woven soft interlayer for pulse engine and manufacturing method |
| CN111409290B (en) * | 2020-03-31 | 2021-05-28 | 江南大学 | Flexible woven soft interlayer for pulse engine and manufacturing method |
| CN111734553A (en) * | 2020-07-03 | 2020-10-02 | 宁波曙翔新材料股份有限公司 | Double-pulse engine combustion chamber shell and forming method |
| CN111734553B (en) * | 2020-07-03 | 2021-06-18 | 宁波曙翔新材料股份有限公司 | Double-pulse engine combustion chamber shell and forming method |
| US11988173B2 (en) | 2020-10-21 | 2024-05-21 | Raytheon Company | Multi-pulse propulsion system with passive initiation |
| CN112628022A (en) * | 2020-12-15 | 2021-04-09 | 北京动力机械研究所 | Double-pulse solid rocket engine ignition device suitable for soft partition plate structure |
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Application publication date: 20190308 |