CN109611239A - Gas generator powder column support construction - Google Patents
Gas generator powder column support construction Download PDFInfo
- Publication number
- CN109611239A CN109611239A CN201811507752.1A CN201811507752A CN109611239A CN 109611239 A CN109611239 A CN 109611239A CN 201811507752 A CN201811507752 A CN 201811507752A CN 109611239 A CN109611239 A CN 109611239A
- Authority
- CN
- China
- Prior art keywords
- grate
- hole
- support rod
- powder column
- gas generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
- F02K9/36—Propellant charge supports
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Catching Or Destruction (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Gas generator powder column support construction of the invention includes preceding grate, rear grate and support rod, and Grain with liner is placed between the preceding grate and the rear grate；The both ends of the support rod are respectively provided with a boss；Described support rod one end is inserted into the preceding grate, after the support rod other end insertion is described in grate, two boss of the support rod are respectively positioned between the preceding grate and the rear grate, and the preceding grate and the rear grate are withstood on boss.Gas generator powder column support construction of the invention can effectively limit the maximum compressibility of powder column axial direction, prevent powder column crush injury, and can prevent rear grate from generating axial displacement during the work time.
Description
Technical field
The present invention relates to Solid Rocket Motor Technologies, and in particular to a kind of gas generator powder column support construction.
Background technique
Ejection power uses gas generator as the energy (ejection power) generating device of ejector, is storing firing box bullet
The important component of emitter, its essence is the solid charge combustion chambers of a semi-hermetic.
The gas generator using free loading propellant powder column of the prior art, by design preceding grate and rear grate come
It prevents the residual medicine in the gas generator course of work from flying out and blocks jet pipe.Under normal conditions, rear grate is pressed to by powder column
It is fixed on the intracorporal step of gas generator shell, powder column bears certain compression at this time, influences the structural integrity of powder column
Property, and further influence the functional reliability of gas generator；Meanwhile in the gas generator course of work, Grain structure is strong
Degree is gradually reduced, and rear grate can generate displacement during the work time, can not play the role of that residual medicine is stopped to enter jet pipe.
Summary of the invention
The purpose of the present invention is to provide a kind of gas generator powder column support constructions, can effectively limit powder column axial direction
Maximum compressibility prevents powder column crush injury, and can prevent rear grate from generating axial displacement during the work time.
To achieve the above object, the present invention provides a kind of gas generator powder column support construction, including preceding grate,
Grate and support rod afterwards, Grain with liner are placed between the preceding grate and the rear grate；The two of the support rod
End is respectively provided with a boss；Described support rod one end is inserted into the preceding grate, gear after the support rod other end insertion is described
In medicine plate, two boss of the support rod are respectively positioned between the preceding grate and the rear grate, the preceding grate
It is withstood on boss with the rear grate.
In above-mentioned gas generator powder column support construction, support rod is equipped on the preceding grate and the rear grate
Installation through-hole, the support rod are inserted into the support rod installation through-hole.
In above-mentioned gas generator powder column support construction, grate before the support rod installation through-hole of preceding grate is set to
Outside, the support rod installation through-hole of rear grate are set to the outside of rear grate.
In above-mentioned gas generator powder column support construction, the support rod is at least two.
In above-mentioned gas generator powder column support construction, the preceding grate is equipped with counter sink, it is described after on grate
Also it is equipped with counter sink, the arrangement position phase of the arrangement position and counter sink on the preceding grate of counter sink on the rear grate
Right, Grain with liner is placed between the counter sink of the preceding grate and the counter sink of the rear grate.
In above-mentioned gas generator powder column support construction, be additionally provided with through-hole on the preceding grate, it is described after on grate
Also it is equipped with through-hole, the arrangement position of through-hole is opposite with the arrangement position of through-hole on the preceding grate on the rear grate, institute
The through-hole of grate combines to form blast tube with the through-hole of the rear grate before stating.
In above-mentioned gas generator powder column support construction, set on the preceding grate there are three counter sink, the preceding drug blocking
Four through-holes are additionally provided on plate, wherein three through-holes are staggered with three counter sinks, and the 4th through-hole is located at the preceding drug blocking
The center of plate；It is set on grate before after described there are three counter sink, is additionally provided with four through-holes on grate after described, wherein three
A through-hole is staggered with three counter sinks, and the 4th through-hole is located at the center of the rear grate；It sinks on grate after described
The arrangement position of head bore is opposite one by one with the arrangement position of counter sink on preceding grate, the arrangement position of through-hole on the rear grate
It sets opposite one by one with the arrangement position of through-hole on preceding grate.
In above-mentioned gas generator powder column support construction, three counter sinks are evenly distributed along the periphery on the preceding grate,
Three through-holes staggered with counter sink are evenly distributed along the periphery on the preceding grate；Three countersunk heads on grate after described
Hole is evenly distributed along the periphery, and three through-holes staggered with counter sink are evenly distributed along the periphery on the rear grate.
Compared with prior art, the method have the benefit that:
Support frame is arranged in gas generator powder column support construction of the invention between preceding grate and rear grate, and
It prevents preceding grate and rear grate to axial movement among support rod using the boss on support frame, can effectively limit powder column
Axial maximum compressibility, prevents powder column crush injury, with the gradually burning of Grain with liner, rear grate can be prevented in work
Axial displacement is generated during making, and plays the role of that residual medicine is stopped to enter jet pipe, it is ensured that gas generator reliably working；
Gas generator powder column support construction of the invention, is respectively provided with counter sink on preceding grate and rear grate, packet
It covers powder column to be fixed in counter sink, prevents powder column from shaking.
Detailed description of the invention
Gas generator powder column support construction of the invention is provided by examples and drawings below.
Fig. 1 is the schematic diagram of the gas generator powder column support construction of present pre-ferred embodiments.
Fig. 2 is the schematic diagram of support rod in present pre-ferred embodiments.
Fig. 3 is the bottom view of preceding grate in present pre-ferred embodiments.
Specific embodiment
Of the invention is described in further detail below with reference to FIG. 1 to FIG. 3.
Fig. 1 show the schematic diagram of the gas generator powder column support construction of present pre-ferred embodiments；Fig. 2 show this
The schematic diagram of support rod in invention preferred embodiment.
Referring to Fig. 1 and Fig. 2, the gas generator powder column support construction includes preceding grate 1, support rod 2 and rear drug blocking
Plate 3；The both ends of the support rod 2 are respectively provided with a boss 21, the d spaced apart of end face 22 of the boss 21 and support rod 2；Institute
It is equipped with support rod installation through-hole on grate 1 and the rear grate 3 before stating, the front is inserted into described 2 one end of support rod
In the support rod installation through-hole of medicine plate 1, the preceding grate 1 is withstood on the boss 21 at the end；2 other end of the support rod insertion
After described in the support rod installation through-hole of grate 3, the rear grate 3 is withstood on the boss 21 at the end；The support rod 2
Two boss 21 are respectively positioned between the preceding grate 1 and the rear grate 3, block preceding grate 1 and rear grate 3 to branch
Axial movement (length direction of support rod 2 be axial) among strut 2, can be effectively controlled preceding grate 1 and rear grate 3 it
Between spacing, Grain with liner be placed in the preceding grate 1 and it is described after between grate 3, two boss of the support rod 2
21 can effectively limit the maximum compressibility of powder column axial direction, prevent powder column crush injury, and rear grate 3 can be prevented in the course of work
Middle generation axial displacement (prevent rear grate 3 to move axially among support rod 2).
Preferably, distance of the boss 21 apart from its support rod end surface 22 held together is the preceding grate 1 or described
The thickness of grate 3 afterwards.
Preferably, the support rod 2 is at least two, the support rod peace on the preceding grate 1 and the rear grate 3
Fill the quantity equal in number in the support rod 2 of through-hole, and the arrangement position of the support rod installation through-hole on the rear grate 3
It sets opposite with the arrangement position of support rod installation through-hole on the preceding grate 1.
Preferably, the outside of the preceding grate 1 is arranged in the support rod installation through-hole on the preceding grate 1.
Fig. 3 show the bottom view of preceding grate in present pre-ferred embodiments.
Referring to Fig. 3, the preceding grate 1 is equipped with counter sink 11, accordingly, is also equipped with countersunk head on the rear grate 3
Hole, it is described after on grate 3 counter sink arrangement position it is opposite with the arrangement position of counter sink 11 on the preceding grate 1, wrap
It covers powder column to be placed between the counter sink 11 of the preceding grate 1 and the counter sink of the rear grate 3, counter sink is for fixing
Grain with liner.
The quantity of counter sink is equal with the quantity for the Grain with liner that needs load, and the aperture of counter sink and arrangement position root
Factually border it needs to be determined that.In this implementation, there are three the counter sink 11, three 11 edges of counter sink on the preceding grate 1
Even circumferential arrangement；Accordingly, also there are three counter sink on the rear grate 3, which is also circumferentially uniformly arranged
Cloth, and the arrangement position of three counter sinks is opposite one by one with the arrangement position of three counter sinks 11 on preceding grate 1.
Multiple counter sinks also can circumferentially non-homogeneous arrangement.
Referring to Fig. 3, it is additionally provided with through-hole 12 on the preceding grate 1, accordingly, is also equipped with through-hole on the rear grate 3,
The arrangement position of through-hole is opposite with the arrangement position of through-hole 12 on the preceding grate 1 on grate 3 after described, the preceding drug blocking
The through-hole 12 of plate 1 combines to form blast tube with the through-hole of the rear grate 3.
Quantity, aperture and the arrangement position of through-hole are determine according to actual needs.In this implementation, have on the preceding grate 1
Four through-holes 12, three through-holes therein are evenly distributed along the periphery, and are staggered with three counter sinks, the 4th through-hole
Positioned at the center of preceding grate 1, i.e. three through-holes and three counter sinks interlock, are uniformly arranged in the periphery of the 4th through-hole；It is right
Ying Di, it is described after on grate 3 also there are four through-hole, three through-holes therein are evenly distributed along the periphery, and with three counter sinks
It is staggered, the 4th through-hole is located at the center of rear grate 3, the arrangement position of four through-holes and preceding drug blocking on rear grate 3
The arrangement position of four through-holes is opposite one by one on plate 1.
The multiple through-holes being staggered with counter sink also can circumferentially non-homogeneous arrangement.
Referring to Fig. 3, in the present embodiment, the support rod installation through-hole 13 on the preceding grate 1 is arranged in the preceding drug blocking
The outside of plate 1.
The preceding grate 1 and the rear grate 3 are metalwork.
The gas generator powder column support construction assembling process of the present embodiment: first by three bonding Grain with liner
Clad feather plucking, Nian Jie with rear 3 countersunk head hole end surface of grate by 502 glue, guarantee Grain with liner is reliable with rear grate 3
Connection；Then after support rod 2 being inserted into the support rod installation through-hole of grate 3, the counter sink 11 of preceding grate 1 is directed at packet
Cover powder column, the support rod installation through-hole 13 of preceding grate 1 is directed at support rod 2 and slowly in place by each component assembling is finally completed and contains
The assembly of the powder column support construction of Grain with liner.
Claims (8)
1. gas generator powder column support construction, including preceding grate and rear grate, Grain with liner are placed in the preceding drug blocking
Between plate and the rear grate, which is characterized in that the gas generator powder column support construction further includes support rod, the branch
The both ends of strut are respectively provided with a boss；Described support rod one end is inserted into the preceding grate, the support rod other end insertion
After described in grate, two boss of the support rod are respectively positioned between the preceding grate and the rear grate, described
Preceding grate and the rear grate are withstood on boss.
2. gas generator powder column support construction as described in claim 1, which is characterized in that the preceding grate and it is described after
Support rod installation through-hole is equipped on grate, the support rod is inserted into the support rod installation through-hole.
3. gas generator powder column support construction as claimed in claim 2, which is characterized in that the support rod of preceding grate is installed
The outside of grate, the support rod installation through-hole of rear grate are set to the outside of rear grate before through-hole is set to.
4. gas generator powder column support construction as described in claim 1, which is characterized in that the support rod is at least two
Root.
5. gas generator powder column support construction as described in claim 1, which is characterized in that the preceding grate is equipped with heavy
Head bore, is also equipped with counter sink on grate after described, it is described after the arrangement position of counter sink and the preceding grate on grate
The arrangement position of upper counter sink is opposite, and Grain with liner is placed in the counter sink of the preceding grate and the countersunk head of the rear grate
Between hole.
6. gas generator powder column support construction as described in claim 1, which is characterized in that be additionally provided on the preceding grate
Through-hole, is also equipped with through-hole on grate after described, lead on grate on the arrangement position of through-hole and the preceding grate after described
The arrangement position in hole is opposite, and the through-hole of the preceding grate combines to form blast tube with the through-hole of the rear grate.
7. gas generator powder column support construction as described in claim 1, which is characterized in that the preceding grate is equipped with three
A counter sink is additionally provided with four through-holes on the preceding grate, wherein and three through-holes are staggered with three counter sinks, and the 4th
A through-hole is located at the center of the preceding grate；Set on grate before after described there are three counter sink, it is described after on grate also
If there are four through-holes, wherein three through-holes are staggered with three counter sinks, and the 4th through-hole is located in the rear grate
The heart；The arrangement position of counter sink is opposite one by one with the arrangement position of counter sink on preceding grate on grate after described, after described
The arrangement position of through-hole is opposite one by one with the arrangement position of through-hole on preceding grate on grate.
8. gas generator powder column support construction as claimed in claim 7, which is characterized in that three are sunk on the preceding grate
Head bore is evenly distributed along the periphery, and three through-holes staggered with counter sink are evenly distributed along the periphery on the preceding grate；Institute
It states three counter sinks on rear grate to be evenly distributed along the periphery, three through-holes staggered with counter sink on the rear grate
It is evenly distributed along the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507752.1A CN109611239B (en) | 2018-12-11 | 2018-12-11 | Supporting structure for fuel column of gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811507752.1A CN109611239B (en) | 2018-12-11 | 2018-12-11 | Supporting structure for fuel column of gas generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109611239A true CN109611239A (en) | 2019-04-12 |
| CN109611239B CN109611239B (en) | 2020-09-08 |
Family
ID=66008679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811507752.1A Active CN109611239B (en) | 2018-12-11 | 2018-12-11 | Supporting structure for fuel column of gas generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109611239B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118135A (en) * | 2019-05-22 | 2019-08-13 | 西安近代化学研究所 | A kind of clad molding die |
| CN110985242A (en) * | 2019-12-04 | 2020-04-10 | 南京理工大学 | Reliability inspection device for ablation-resistant material |
| CN112377327A (en) * | 2020-10-20 | 2021-02-19 | 北京控制工程研究所 | Gas generating agent grain fixing structure of solid cold gas generator for space |
| CN113390291A (en) * | 2021-05-21 | 2021-09-14 | 上海新力动力设备研究所 | BPN tablet type porous ignition integrated structure of front medicine baffle of fuel gas generator |
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| CN2258282Y (en) * | 1996-05-07 | 1997-07-23 | 南京理工大学 | Geologic structure detecting rocket |
| CN101726219A (en) * | 2009-12-03 | 2010-06-09 | 陕西中天火箭技术有限责任公司 | Multielement seeding combustion explosion type rainfall-increasing and anti-hail rocket |
| CN103557094A (en) * | 2013-09-18 | 2014-02-05 | 北京航空航天大学 | High-concentration hydrogen peroxide catalysis bed structure used for ground test of solid-liquid hybrid rocket motor |
| CN105003357A (en) * | 2015-07-17 | 2015-10-28 | 南京理工大学 | Pasty propellant fuel gas generator ignition device based on solid rocket engine |
| CN105627837A (en) * | 2015-12-24 | 2016-06-01 | 淮海工业集团有限公司 | Engine for fire extinguishing bullet of vehicle-mounted rocket |
| CN107269424A (en) * | 2017-07-25 | 2017-10-20 | 南京理工大学 | A kind of solid propellant rocket regnition structure |
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2018
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Patent Citations (6)
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| CN2258282Y (en) * | 1996-05-07 | 1997-07-23 | 南京理工大学 | Geologic structure detecting rocket |
| CN101726219A (en) * | 2009-12-03 | 2010-06-09 | 陕西中天火箭技术有限责任公司 | Multielement seeding combustion explosion type rainfall-increasing and anti-hail rocket |
| CN103557094A (en) * | 2013-09-18 | 2014-02-05 | 北京航空航天大学 | High-concentration hydrogen peroxide catalysis bed structure used for ground test of solid-liquid hybrid rocket motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118135A (en) * | 2019-05-22 | 2019-08-13 | 西安近代化学研究所 | A kind of clad molding die |
| CN110118135B (en) * | 2019-05-22 | 2021-06-15 | 西安近代化学研究所 | Coating layer forming die |
| CN110985242A (en) * | 2019-12-04 | 2020-04-10 | 南京理工大学 | Reliability inspection device for ablation-resistant material |
| CN112377327A (en) * | 2020-10-20 | 2021-02-19 | 北京控制工程研究所 | Gas generating agent grain fixing structure of solid cold gas generator for space |
| CN112377327B (en) * | 2020-10-20 | 2021-09-03 | 北京控制工程研究所 | Gas generating agent grain fixing structure of solid cold gas generator for space |
| CN113390291A (en) * | 2021-05-21 | 2021-09-14 | 上海新力动力设备研究所 | BPN tablet type porous ignition integrated structure of front medicine baffle of fuel gas generator |
| CN113390291B (en) * | 2021-05-21 | 2023-07-14 | 上海新力动力设备研究所 | BPN tablet type porous ignition integrated structure of front baffle plate of gas generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109611239B (en) | 2020-09-08 |
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