CN208267974U - It is a kind of for testing the engine of propellant wire burn rate speed increasing ratio - Google Patents
It is a kind of for testing the engine of propellant wire burn rate speed increasing ratio Download PDFInfo
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- CN208267974U CN208267974U CN201820645704.8U CN201820645704U CN208267974U CN 208267974 U CN208267974 U CN 208267974U CN 201820645704 U CN201820645704 U CN 201820645704U CN 208267974 U CN208267974 U CN 208267974U
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- thermal insulation
- motor body
- insulation layer
- fixedly connected
- propellant
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Abstract
The utility model discloses a kind of for testing the engine of propellant wire burn rate speed increasing ratio, including motor body, the upper surface of the motor body and the bottom surface of motor body are fixedly connected to two groups of symmetrical fixed blocks, the left side of the motor body is equipped with top cover, the right side of the motor body is equipped with jet pipe, the bottom surface of the fixed block is fixedly connected with the upper surface of top cover and jet pipe respectively, and the inside of fixed block offers first through hole, the fixed block is internally threaded bar, the right side of the fixed block is fixedly connected with gasket, the gasket is fixedly connected with screwed pipe far from the one side of fixed block, and screwed pipe offers screw thread compatible with threaded rod.This is used to test the engine of propellant wire burn rate speed increasing ratio, can be realized by overall structure cooperation to engine structure exquisiteness, the cigarette burning propellant charge working condition of embedded wire can be simulated by adjustable jet tube larynx diameter.
Description
Technical field
The utility model relates under different pressures, different types of wire and different types of propellant wire burn rate
The technical field of engines that speed increasing ratio is surveyed, it is specially a kind of for testing the engine of propellant wire burn rate speed increasing ratio.
Background technique
With the development of domestic dipulse motor charge, in order to improve the flying quality of tactical missile, embedded wire
Cigarette burning propellant charge is widely used, and the cigarette burning propellant charge wire burn rate speed increasing ratio of embedded wire needs
Engine is surveyed out, and testing cost is big, and the present invention has developed a kind of put-put, which can free loading propellant embedded wire
Powder column simulates the Work turning table of the cigarette burning propellant charge of embedded wire, tests the cigarette burning propellant of embedded wire
The wire burn rate speed increasing ratio of powder column.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of for testing propellant wire burn rate speed increasing ratio
Engine, solve that testing cost is big, the excessively complicated problem of engine structure.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: one kind is for testing the combustion of propellant wire
The engine of fast speed increasing ratio, including motor body, the upper surface of the motor body and the bottom surface of motor body are solid
Surely two groups of symmetrical fixed blocks are connected with, the left side of the motor body is equipped with top cover, the right side of the motor body
Side is equipped with jet pipe, and the bottom surface of the fixed block is fixedly connected with the upper surface of top cover and jet pipe respectively, and the inside of fixed block
First through hole is offered, the fixed block is internally threaded bar, and the right side of the fixed block is fixedly connected with gasket, institute
It states gasket and is fixedly connected with screwed pipe far from the one side of fixed block, and screwed pipe offers screw thread compatible with threaded rod,
The inner ring of the threaded rod and the outer surface thread of threaded rod connect, and the left side of the top cover, which offers, lights hole, the point
The inside in combustion hole is fixedly connected with combustion line, and the inner roof wall of the motor body is fixedly connected with first thermal insulation layer, described to start
The inner bottom wall of casing body is fixedly connected with second thermal insulation layer, and the first thermal insulation layer one side opposite with second thermal insulation layer is fixed
It is connected with third thermal insulation layer, the inside of the third thermal insulation layer is fixedly connected with propellant, and the inside of the propellant is fixed to be connected
It is connected to embedded metal-wire grain, the combustion line runs through motor body and third thermal insulation layer and extend to far from the one end for lighting hole to be pushed away
Into the outer surface of agent, and the one end for firing line is fixedly connected with the outer surface of propellant, and the right side of the jet pipe offers second
Through-hole.
Preferably, the vertical length value of the second thermal insulation layer be greater than first thermal insulation layer vertical length value, and first every
Thermosphere and second thermal insulation layer are respectively positioned on the inside of motor body.
Preferably, the upper surface of the jet pipe and the bottom surface of jet pipe are equipped with check valve, and one end of the check valve is run through
Jet pipe and the inside for extending to jet pipe.
Preferably, the inside of the jet pipe offers spray orifice, and spray orifice is in horn-like.
(3) beneficial effect
The utility model provides a kind of for testing the engine of propellant wire burn rate speed increasing ratio, and having following has
Beneficial effect:
(1) engine for being used to test propellant wire burn rate speed increasing ratio, passes through the vertical length of second thermal insulation layer
Value is greater than the vertical length value of first thermal insulation layer, can assign motor body bigger degree of thermal insulation, avoid high temperature to hair
Motivation shell generates the effect melted, and increases the using effect of first thermal insulation layer and second thermal insulation layer, by the way that check valve is arranged,
It can be avoided embedded metal-wire grain to damage jet pipe under the action of high pressure, the high pressure for reaching certain plays check valve automatically
It opens and releases stress, improve the using effect of check valve.
(2) engine for being used to test propellant wire burn rate speed increasing ratio is in loudspeaker by setting spray orifice and spray orifice
Shape can increase the thrust of engine, avoid releasing fuel, to increase the using effect of spray orifice, start it
Machine have more pressure carry out thrust, by overall structure cooperation can be realized to engine structure exquisiteness, reduce test at
This, the cigarette burning propellant charge working condition of embedded wire can be simulated by adjustable jet tube larynx diameter.
Detailed description of the invention
Fig. 1 is the utility model motor body cross-sectional view；
Fig. 2 is that the utility model is structure enlargement diagram at A in Fig. 1；
Fig. 3 is the utility model motor body front view.
In figure: 1 motor body, 2 fixed blocks, 3 spray orifices, 4 top covers, 5 jet pipes, 6 first through hole, 7 threaded rods, 8 gaskets, 9
Hole, 11 combustion lines, 12 first thermal insulation layers, 13 second thermal insulation layers, 14 third thermal insulation layers, 15 propellants, 16 embedding gold are lighted in screwed pipe, 10
Belong to silk powder column, 17 second through-holes, 18 check valves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: one kind is for testing the increasing of propellant wire burn rate
The engine of speed ratio, including motor body 1, the fixed company in the upper surface of motor body 1 and the bottom surface of motor body 1
Two groups of symmetrical fixed blocks 2 are connected to, the left side of motor body 1 is equipped with top cover 4, and the right side of motor body 1 is equipped with
Jet pipe 5, the bottom surface of fixed block 2 are fixedly connected with the upper surface of top cover 4 and jet pipe 5 respectively, and the inside of fixed block 2 offers
First through hole 6, fixed block 2 are internally threaded bar 7, and the right side of fixed block 2 is fixedly connected with gasket 8, second thermal insulation layer
13 vertical length value is greater than the vertical length value of first thermal insulation layer 12, and first thermal insulation layer 12 and second thermal insulation layer 13 are respectively positioned on
The inside of motor body 1 is greater than the vertical length value of first thermal insulation layer 12, energy by the vertical length value of second thermal insulation layer 13
It enough assigns motor body 1 bigger degree of thermal insulation, avoids high temperature and generate the effect melted to motor body 1, increase
The using effect of first thermal insulation layer 12 and second thermal insulation layer 13, gasket 8 are fixedly connected with screw thread far from the one side of fixed block 2
Pipe 9, and screwed pipe 9 offers screw thread compatible with threaded rod 7, the inner ring of threaded rod 7 and the outer surface thread of threaded rod 7 connect
It connects, the upper surface of jet pipe 5 and the bottom surface of jet pipe 5 are equipped with check valve 18, and one end of check valve 18 through jet pipe 5 and extends to spray
The inside of pipe 5 can be avoided embedded metal-wire grain 16 and cause to hurt to jet pipe 5 under the action of high pressure by the way that check valve 18 is arranged
Evil, the high pressure for reaching certain automatically open check valve 18 to release stress, improve the using effect of check valve 18, top cover 4
Left side, which offers, lights hole 10, and the inside for lighting hole 10 is fixedly connected with combustion line 11, and the inner roof wall of motor body 1 is fixed to be connected
It is connected to first thermal insulation layer 12, the inner bottom wall of motor body 1 is fixedly connected with second thermal insulation layer 13, and the inside of jet pipe 5 offers
Spray orifice 3, and spray orifice 3 is in horn-like can increase the thrust of engine, avoid by setting spray orifice 3 and spray orifice 3 in horn-like
Once fuel is released, to increase the using effect of spray orifice 3, its engine is made to have more the carry out thrust of pressure, first
The one side opposite with second thermal insulation layer 13 of thermal insulation layer 12 is fixedly connected with third thermal insulation layer 14, and the inside of third thermal insulation layer 14 is solid
Surely it is connected with propellant 15, the inside of propellant 15 is fixedly connected with embedded metal-wire grain 16, and combustion line 11 is separate to light hole 10
It fires one end of line 11 through motor body 1 and third thermal insulation layer 14 and the outer surface for extending to propellant 15 and pushes away in one end
It is fixedly connected into the outer surface of agent 15, the right side of jet pipe 5 offers the second through-hole 17.
Working principle: embedded metal-wire grain 16 is manufactured using the wire of given category, embedded metal-wire grain 16 is assembled
Into motor body, adjustable jet tube larynx diameter simulates the cigarette burning propellant charge working condition of embedded wire.
In conclusion this is used to test the engine of propellant wire burn rate speed increasing ratio, pass through second thermal insulation layer 13
Vertical length value is greater than the vertical length value of first thermal insulation layer 12, can assign motor body 1 bigger degree of thermal insulation, keep away
Exempt from high temperature and generated the effect melted to motor body 1, increases the use effect of first thermal insulation layer 12 and second thermal insulation layer 13
Fruit can be avoided embedded metal-wire grain 16 and damage under the action of high pressure to jet pipe 5, reached certain by check valve 18
High pressure automatically opens check valve 18 to release stress, improve the using effect of check valve 18, passes through setting spray orifice 3 and spray orifice 3
In horn-like, the thrust of engine can be increased, avoid releasing fuel, to increase the using effect of spray orifice 3, make
Its engine has more the carry out thrust of pressure, solves that testing cost is big, the excessively complicated problem of engine structure.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of for testing the engine of propellant wire burn rate speed increasing ratio, including motor body (1), feature exists
In: the upper surface of the motor body (1) and the bottom surface of motor body (1) are fixedly connected to two groups of symmetrical fixations
The left side of block (2), the motor body (1) is equipped with top cover (4), and the right side of the motor body (1) is equipped with jet pipe
(5), the bottom surface of the fixed block (2) is fixedly connected with the upper surface of top cover (4) and jet pipe (5) respectively, and fixed block (2) is interior
Portion offers first through hole (6), and the fixed block (2) is internally threaded bar (7), and the right side of the fixed block (2) is solid
Surely it is connected with gasket (8), the gasket (8) is fixedly connected with screwed pipe (9) far from the one side of fixed block (2), and screwed pipe
(9) it offers and connects with threaded rod (7) compatible screw thread, the inner ring of the threaded rod (7) and the outer surface thread of threaded rod (7)
It connects, the left side of the top cover (4), which offers, lights hole (10), and the inside for lighting hole (10) is fixedly connected with combustion line
(11), the inner roof wall of the motor body (1) is fixedly connected with first thermal insulation layer (12), the motor body (1) it is interior
Bottom wall is fixedly connected with second thermal insulation layer (13), and the first thermal insulation layer (12) and second thermal insulation layer (13) opposite one side are solid
Surely it is connected with third thermal insulation layer (14), the inside of the third thermal insulation layer (14) is fixedly connected with propellant (15), the propulsion
The inside of agent (15) is fixedly connected with embedded metal-wire grain (16), and combustion line (11) runs through hair far from the one end for lighting hole (10)
Motivation shell (1) and third thermal insulation layer (14) and the outer surface for extending to propellant (15), and fire one end and the propulsion of line (11)
The outer surface of agent (15) is fixedly connected, and the right side of the jet pipe (5) offers the second through-hole (17).
2. according to claim 1 a kind of for testing the engine of propellant wire burn rate speed increasing ratio, feature exists
In: the vertical length value of the second thermal insulation layer (13) is greater than the vertical length value of first thermal insulation layer (12), and first thermal insulation layer
(12) and second thermal insulation layer (13) is respectively positioned on the inside of motor body (1).
3. according to claim 1 a kind of for testing the engine of propellant wire burn rate speed increasing ratio, feature exists
In: the upper surface of the jet pipe (5) and the bottom surface of jet pipe (5) are equipped with check valve (18), and one end of the check valve (18) is passed through
It wears jet pipe (5) and extends to the inside of jet pipe (5).
4. according to claim 1 a kind of for testing the engine of propellant wire burn rate speed increasing ratio, feature exists
In: the inside of the jet pipe (5) offers spray orifice (3), and spray orifice (3) is in horn-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645704.8U CN208267974U (en) | 2018-05-03 | 2018-05-03 | It is a kind of for testing the engine of propellant wire burn rate speed increasing ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645704.8U CN208267974U (en) | 2018-05-03 | 2018-05-03 | It is a kind of for testing the engine of propellant wire burn rate speed increasing ratio |
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| CN208267974U true CN208267974U (en) | 2018-12-21 |
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| CN201820645704.8U Active CN208267974U (en) | 2018-05-03 | 2018-05-03 | It is a kind of for testing the engine of propellant wire burn rate speed increasing ratio |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973245A (en) * | 2019-03-07 | 2019-07-05 | 北京灵动飞天动力科技有限公司 | A kind of embedding clad metal wire end combustion powder charge |
| CN114382611A (en) * | 2021-12-10 | 2022-04-22 | 湖北三江航天江河化工科技有限公司 | Preparation method of freely-filled metal wire embedded explosive column |
-
2018
- 2018-05-03 CN CN201820645704.8U patent/CN208267974U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973245A (en) * | 2019-03-07 | 2019-07-05 | 北京灵动飞天动力科技有限公司 | A kind of embedding clad metal wire end combustion powder charge |
| CN114382611A (en) * | 2021-12-10 | 2022-04-22 | 湖北三江航天江河化工科技有限公司 | Preparation method of freely-filled metal wire embedded explosive column |
| CN114382611B (en) * | 2021-12-10 | 2023-02-03 | 湖北三江航天江河化工科技有限公司 | Preparation method of freely-filled metal wire embedded explosive column |
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