CN204738887U - Use lotion propellant a lot of continuous feeding device of solid propellant as power supply - Google Patents
Use lotion propellant a lot of continuous feeding device of solid propellant as power supply Download PDFInfo
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- CN204738887U CN204738887U CN201520455748.0U CN201520455748U CN204738887U CN 204738887 U CN204738887 U CN 204738887U CN 201520455748 U CN201520455748 U CN 201520455748U CN 204738887 U CN204738887 U CN 204738887U
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- storage tank
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Abstract
The utility model discloses an use lotion propellant a lot of continuous feeding device of solid propellant as power supply, impel the bottom adherence of cylinder body to pour solid propellant, the cylinder body impels the piston and impels cylinder body sliding sealed fit, the one end that impels the piston is connected with the propulsion piston rod, two screens round pin symmetries set up at the lateral wall that impels the piston rod, and pass the propulsion piston rod, pass through spring coupling between two screens round pins, it connects in the drum to impel the piston rod to stretch into, and it is gapped with the inner wall of being connected the drum, advance the cylinder body and the bottom of outer cylinder body to link firmly, the piston links firmly with promoting mainly into to connect the drum, promote mainly into piston and outer cylinder body sliding sealed fit, storage tank piston and lotion propellant storage box sliding sealed fit, it passes through the transfer line with the storage tank piston and is connected to promote mainly into the piston, the internal solid propellant who is provided with more than two or two of outer shell impels the unit. The utility model discloses simple structure, and operating condition safety, can be reliable be applied to lotion propellant rocket engine.
Description
Technical field
The invention belongs to rocket motor technical field, particularly a kind of take solid propellant as the pasty propellant repeatedly continuous feeding device of power source.
Background technique
The last century later stage, scientist and engineers and technicians succeed in developing a kind of pasty propellant between liquid and solid, this is a kind of special chemical propellant, it is by liquid component gelation with a small amount of gel or water-thickening agent, a large amount of solid oxidizer and/or uniform fuel are scattered in wherein simultaneously, form a kind of slurry propellants being similar to toothpaste-like, Here it is so-called pasty propellant.Just as solid propellant when it stores, produce mobility after pressurization again as liquid propellant, but do not leak, do not explode, safety and reliability.Lotion rocket motor can multiple switching machine and restarting, and easilier than solid engines controls, and can realize thrust widely and regulate.Therefore can be applied on guided missile and satellite as the motor that pose adjustment controls.
Theory and practice all shows, by the appropriate design performance of propellant and rocket motor structure, under the cooperation of repeatedly ignition system and repeatedly shutdown systems, Novel cream rocket motor repeatedly can start as liquid rocket, in order to realize repeatedly starting, drive unit need repeatedly continuously pasty propellant is extruded from tank, through flow control system and can relight device send into firing chamber.Therefore, drive unit is the important composition parts of lotion rocket motor.
In order to ensure that drive unit structure under the prerequisite of reliably working is optimized more, forefathers do a lot of work, according to current published document and patent, drive unit or be designed with two kinds: one utilizes hydraulic pressure installation to promote piston, pasty propellant is extruded from tank, through flow control system and can relight device send into firing chamber.Its advantage is the pasty propellant working state that can meet large discharge, and also clearly, complex structure, device is heavier, and cost compare is high for shortcoming.Another kind is that pasty propellant is contained in cylindrical shape tank, extruded to enter in transparency window firing chamber by pasty propellant and burn, but this driving mode device is more complicated, wayward by Pneumatic extrusion and piston system.
Summary of the invention
The object of the present invention is to provide a kind of structure simple, and working state safety, what can be applied to Pasty Propellant Rocket Engine reliably take solid propellant as the pasty propellant repeatedly continuous feeding device of power source.
The technical solution realizing the object of the invention is:
Take solid propellant as a pasty propellant repeatedly continuous feeding device for power source, comprise solid propellant propulsion unit, outer cylinder body, main propelling piston, pasty propellant storage tank, storage tank piston, solid propellant propulsion unit comprises propelling cylinder body, cylinder body propelling piston, connect cylinder, position blocking pin and spring, the bottom of propelling cylinder body is adherent has built solid propellant, cylinder body propelling piston is positioned at and advances cylinder body, and coordinate with the slipper seal of propelling cylinder body, one end of propelling piston is connected with propelling piston bar, two position blocking pins are symmetricly set on the sidewall of propelling piston bar, and through propelling piston bar, connected by spring between two position blocking pins, propelling piston bar stretches into and connects in cylinder, and have gap with the inwall being connected cylinder, two position blocking pins are when connecting in cylinder, spring is in compressive state, position blocking pin and the inwall point cantact being connected cylinder, the bottom of cylinder body and outer cylinder body is advanced to be connected, connection cylinder and main propelling piston are connected, main propelling piston is positioned at outer cylinder body, and coordinate with outer cylinder body slipper seal, storage tank piston is positioned at pasty propellant storage tank, and coordinate with the slipper seal of pasty propellant storage tank, main propelling piston is connected by drive link with storage tank piston, the end cap of the outer cylinder body that drive link passes with it and pasty propellant storage tank is slidably matched, two or more solid propellant propulsion unit is provided with in outer cylinder body.
The present invention compared with prior art, its remarkable advantage:
(1) the present invention adopts solid propellant as power source, and storage safe is reliable, easy to use.
(2) reasonable in design of the present invention, reliable operation, can meet the usage requirement of different condition, particularly aerospace field.
(3) the present invention is simple and compact for structure, is easy to realize microminaturization, and component can be obtained by simple machining, and connection and reasonable arrangement, takes up room little, is convenient to install.
(4) when the present invention works, response is fast, is swift in motion, can changes solid propellant dose and combustion face according to demand and supply, thus controls to promote stroke and speed, and can repeatedly advance according to demand.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
The structural representation of the pasty propellant of Fig. 1 to be the present invention with solid propellant be power source repeatedly continuous feeding device.
Embodiment
Composition graphs 1:
The present invention is a kind of take solid propellant as the pasty propellant repeatedly continuous feeding device of power source, comprises solid propellant propulsion unit, outer cylinder body 7, main propelling piston 8, pasty propellant storage tank 10, storage tank piston 11, solid propellant propulsion unit comprises propelling cylinder body 2, cylinder body propelling piston 3, connect cylinder 4, position blocking pin 6 and spring 5, the bottom of propelling cylinder body 2 is adherent has built solid propellant 1, cylinder body propelling piston 3 is positioned at and advances cylinder body 2, and coordinate with the slipper seal of propelling cylinder body 2, one end of propelling piston 3 is connected with propelling piston bar, two position blocking pins 6 are symmetricly set on the sidewall of propelling piston bar, and through propelling piston bar, connected by spring 5 between two position blocking pins 6, propelling piston bar stretches into and connects in cylinder 4, and have gap with the inwall being connected cylinder 4, two position blocking pins 6 are when connecting in cylinder 4, spring 5 is in compressive state, position blocking pin 6 and the inwall point cantact being connected cylinder 4, cylinder body 2 is advanced to be connected with the bottom of outer cylinder body 7, connect cylinder 4 to be connected with main propelling piston 8, main propelling piston 8 is positioned at outer cylinder body 7, and coordinate with outer cylinder body 7 slipper seal, storage tank piston 11 is positioned at pasty propellant storage tank 10, and coordinate with pasty propellant storage tank 10 slipper seal, main propelling piston 8 is connected by drive link with storage tank piston 11, the outer cylinder body 7 that drive link passes with it and the end cap of pasty propellant storage tank 10 are slidably matched, two or more solid propellant propulsion unit is provided with in outer cylinder body 7.
End near main propelling piston 8 moving direction on outer cylinder body 7 has exhaust port 9.
Exhaust port 9 is opened on the sidewall near main propelling piston 8 moving direction end.
One end that main propelling piston 8 is relative with storage tank piston 11 is provided with piston push rod, and two-piston push rod is connected by the internal and external threads cooperatively interacted.
Embodiment:
Composition graphs 1:
Take solid propellant as a pasty propellant repeatedly continuous feeding device for power source, comprise solid propellant propulsion unit, outer cylinder body 7, main propelling piston 8, pasty propellant storage tank 10, storage tank piston 11, solid propellant propulsion unit comprises propelling cylinder body 2, cylinder body propelling piston 3, connect cylinder 4, position blocking pin 6 and spring 5, the bottom of propelling cylinder body 2 is adherent has built solid propellant 1, cylinder body propelling piston 3 is positioned at and advances cylinder body 2, and coordinate with the slipper seal of propelling cylinder body 2, one end of propelling piston 3 is connected with propelling piston bar, two position blocking pins 6 are symmetricly set on the sidewall of propelling piston bar, and through propelling piston bar, connected by spring 5 between two position blocking pins 6, propelling piston bar stretches into and connects in cylinder 4, and have gap with the inwall being connected cylinder 4, two position blocking pins 6 are when connecting in cylinder 4, spring 5 is in compressive state, position blocking pin 6 and the inwall point cantact being connected cylinder 4, cylinder body 2 is advanced to be connected with the bottom of outer cylinder body 7, connect cylinder 4 to be connected with main propelling piston 8, main propelling piston 8 is positioned at outer cylinder body 7, and coordinate with outer cylinder body 7 slipper seal, sidewall near main propelling piston 8 moving direction end on outer cylinder body 7 has exhaust port 9, storage tank piston 11 is positioned at pasty propellant storage tank 10, and coordinate with pasty propellant storage tank 10 slipper seal, one end that main propelling piston 8 is relative with storage tank piston 11 is provided with piston push rod, two-piston push rod is connected by the internal and external threads cooperatively interacted, the outer cylinder body 7 that two-piston push rod passes with it and the end cap of pasty propellant storage tank 10 are slidably matched, the solid propellant propulsion unit of three is provided with in outer cylinder body 7.
Its working principle is:
As shown in Figure 1, the solid propellant propulsion unit in outer cylinder body 7 is followed successively by a solid propellant propulsion unit, No. two solid propellant propulsion units and No. three solid propellant propulsion units from left to right.
During drive unit work a solid propellant propulsion unit propelling cylinder body 2 in solid propellant 1 first lighted, the high-temperature high-pressure fuel gas of generation promotes cylinder body propelling piston 3 and travels forward, and position blocking pin 6 also travels forward thereupon.Connection cylinder 4 travels forward and promotes main propelling piston 8 and does ahead running forward under the promotion of position blocking pin 6, and the air of outer cylinder body 7 is discharged from exhaust port 9.Main propelling piston 8 promotes storage tank piston 11, is extruded by pasty propellant in pasty propellant storage tank 10.
Meanwhile, the connection cylinder 4 coordinated with the propelling cylinder body 2 of No. two solid propellant propulsion units travels forward under the drive of main propelling piston 8, when connect cylinder 4 move to position blocking pin 6 leave connect in cylinder 4 time, position blocking pin 6 is under the effect of spring 5, protruding, prop up the bottom connecting cylinder 4.When again working, the solid propellant 1 of the propelling cylinder body 2 of No. two solid propellant propulsion units is lighted, and the high-temperature high-pressure fuel gas of generation promotes cylinder body propelling piston 3 and travels forward, and position blocking pin 6 also travels forward thereupon.Connection cylinder 4 travels forward and promotes main propelling piston 8 and does ahead running forward under the promotion of position blocking pin 6.
It is the same when No. three solid propellant propulsion units afterwards work.
By calculating or test the operating time obtaining a solid propellant propulsion unit, propelling stroke, correspondingly design the position of position blocking pin 6 and the firing time of solid propellant 1 of No. two solid propellant propulsion units and No. three solid propellant propulsion units.
Arrange multiple solid propellant propulsion unit as required, the different operating times is arranged to each solid propellant propulsion unit, and carries out rational deployment, just can realize repeatedly supplying continuously of pasty propellant.
Claims (4)
1. one kind take solid propellant as the pasty propellant repeatedly continuous feeding device of power source, it is characterized in that: comprise solid propellant propulsion unit, outer cylinder body (7), main propelling piston (8), pasty propellant storage tank (10), storage tank piston (11), solid propellant propulsion unit comprises propelling cylinder body (2), cylinder body propelling piston (3), connect cylinder (4), position blocking pin (6) and spring (5), the bottom of propelling cylinder body (2) is adherent has built solid propellant (1), cylinder body propelling piston (3) is positioned at and advances cylinder body (2), and coordinate with propelling cylinder body (2) slipper seal, one end of propelling piston (3) is connected with propelling piston bar, two position blocking pins (6) are symmetricly set on the sidewall of propelling piston bar, and through propelling piston bar, connected by spring (5) between two position blocking pins (6), propelling piston bar stretches into and connects in cylinder (4), and have gap with the inwall being connected cylinder (4), two position blocking pins (6) are when connecting in cylinder (4), spring (5) is in compressive state, position blocking pin (6) and the inwall point cantact being connected cylinder (4), cylinder body (2) is advanced to be connected with the bottom of outer cylinder body (7), connect cylinder (4) to be connected with main propelling piston (8), main propelling piston (8) is positioned at outer cylinder body (7), and coordinate with outer cylinder body (7) slipper seal, storage tank piston (11) is positioned at pasty propellant storage tank (10), and coordinate with pasty propellant storage tank (10) slipper seal, main propelling piston (8) is connected by drive link with storage tank piston (11), the outer cylinder body (7) that drive link passes with it and the end cap of pasty propellant storage tank (10) are slidably matched, two or more solid propellant propulsion unit is provided with in outer cylinder body (7).
2. according to claim 1 take solid propellant as the pasty propellant repeatedly continuous feeding device of power source, it is characterized in that: the upper end near main propelling piston (8) moving direction of described outer cylinder body (7) has exhaust port (9).
3. according to claim 2 take solid propellant as the pasty propellant repeatedly continuous feeding device of power source, it is characterized in that: described exhaust port (9) is opened on the sidewall near main propelling piston (8) moving direction end.
4. take solid propellant as the pasty propellant repeatedly continuous feeding device of power source according to claim 1 or 2 or 3, it is characterized in that: described main propelling piston (8) one end relative with storage tank piston (11) is provided with piston push rod, and two-piston push rod is connected by the internal and external threads cooperatively interacted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455748.0U CN204738887U (en) | 2015-06-29 | 2015-06-29 | Use lotion propellant a lot of continuous feeding device of solid propellant as power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520455748.0U CN204738887U (en) | 2015-06-29 | 2015-06-29 | Use lotion propellant a lot of continuous feeding device of solid propellant as power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989553A (en) * | 2015-06-29 | 2015-10-21 | 南京理工大学 | Pasty propellant repeated continuous supply device with solid propellants as power sources |
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- 2015-06-29 CN CN201520455748.0U patent/CN204738887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989553A (en) * | 2015-06-29 | 2015-10-21 | 南京理工大学 | Pasty propellant repeated continuous supply device with solid propellants as power sources |
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