CN102730204B - Spacecraft domestic garbage catapult - Google Patents
Spacecraft domestic garbage catapult Download PDFInfo
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- CN102730204B CN102730204B CN201210232857.7A CN201210232857A CN102730204B CN 102730204 B CN102730204 B CN 102730204B CN 201210232857 A CN201210232857 A CN 201210232857A CN 102730204 B CN102730204 B CN 102730204B
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Abstract
The invention provides a spacecraft domestic garbage catapult which comprises a motor, a cylinder, a piston, a driven gear, a driving gear, a screw rod, a garbage can and a gear carrier. When domestic garbage needs to be catapulted, the domestic garbage is loaded in the garbage can, and an end cover of the garbage can is screwed; the garbage can is loaded in the cylinder and is compacted; an outer wall opening of a spacecraft is opened, and the motor is started to drive the driven gear to rotate through the driving gear, so that the piston is driven by the screw rod to enter the cylinder and moves along the axial direction of the cylinder; air in the cylinder is compressed so as to catapult the garbage can; and after the garbage can is catapulted, the outer wall opening of the spacecraft is closed. Due to the adaptation of the spacecraft domestic garbage catapult, domestic garbage in the spacecraft can be smoothly catapulted to the earth without leaking air in the spacecraft. Meanwhile, compared with a traditional method adopting a drying and compression machine, the spacecraft domestic garbage catapult has the advantages of low manufacturing cost, light weight, small volume, simple structure and low development difficulty and is suitable to be used on any manned spacecraft.
Description
Technical field
Invention relates to a kind of spacecraft house refuse flinger, belongs to space technology field.
Background technology
House refuse in manned spacecraft comprises swill, astronaut's excrement etc.Especially astronaut's excrement, even if be collected in a sack, follow-up work for the treatment of is still very loaded down with trivial details.Conventionally, astronaut's urine will recycle, so that repeated usage.The treating process of astronaut stool normally compresses and dries, then be contained in a jar, wait for opportunity is placed on these jars on the cargo ship of Returning ball, in returning on the way, allows airship be discharged in space, lets alone automatic combustion when by earth atmosphere.Compression and oven dry need a large amount of equipment and the process of series of complex, not only increase the weight of spacecraft, also elapsed time and the energy.Even if compression and oven dry complete, " stool is dry " accumulating day by day piles a lot of, can only wait the thoroughly removing of arrival of cargo ship, otherwise astronaut can only associate with stool heap.
In fact, if collected stool is directly thrown away out of my cabin, the trouble that not only can avoid compression and dry, has also avoided " stool is dry " to pile up the impact on astronaut's living environment.But do like this two problems that exist, the one, open the air of spacecraft inside after hatch door and will reveal, the 2nd, stool bag is thrown away in space will become the space junk of certain orbit altitude, and within several years, even the time of more than ten years just can enter atmospheric envelope to needs.These rubbish in-orbit during very easily with spacecraft collision, cause Spacecraft malfunction even to destroy.Therefore be badly in need of one and neither can make spacecraft internal gas leak, stool can be thrown to again to the equipment of the earth with sufficiently high speed.
Summary of the invention
In view of this, the invention provides a kind of spacecraft house refuse flinger, can smoothly the house refuse in spacecraft be thrown to the earth, can not make again spacecraft internal gas leak.
Spacecraft house refuse flinger of the present invention comprises motor, cylinder, piston, driven gear, driving gear, screw rod, garbage tank and tooth rest.The sealing of garbage tank one end, the other end is threaded connection garbage tank end cap.Cylinder is cylindrical structural, and its exit end inwardly shrinks.The arrival end of cylinder is positioned at spacecraft inside, and is connected with the tooth rest that is positioned at spacecraft; In the space of exit end between spacecraft inwall and spacecraft outer wall, for garbage tank is installed.Cylinder excircle and spacecraft inner wall sealing.The diameter of cylinder outlet end mates with the diameter of garbage tank band end cap side, and garbage tank can be arranged on cylinder closely, to guarantee the leakproofness of cylinder outlet end, the air in cylinder can not leaked from exit end.Piston is housed in cylinder, and one end of screw rod is fixed on the center of piston end surface by screw sleeve, and the other end passes successively driven gear and is fixed on the bearing on tooth rest, and described bearing is installed in driven gear on tooth rest.Driven gear center is processed with the negative thread coordinating with screw rod.Distance between driven gear and cylinder arrival end should guarantee to retreat when with the position of the end face laminating of driven gear when piston, and garbage tank can pack in cylinder from cylinder arrival end smoothly.The driving gear engaging with driven gear and motor coaxle, driven by motor driving gear rotates; Motor is fixed on spacecraft inwall.Cylinder outlet end is through the spacecraft inwall towards the earth one side, and just to spacecraft outer wall mouth, after assurance installation garbage tank, the head of garbage tank can not touch spacecraft outer wall.
In the time needing impelling that the garbage tank of house refuse is housed, garbage tank is packed into cylinder pusher to the exit end of cylinder and compresses from the arrival end of cylinder, starter motor, makes screw rod move along cylinder-bore axis direction; Screw rod drives piston enter cylinder and move along cylinder-bore axis direction; Because air in cabin has entered cylinder, when piston enters after cylinder completely, air in cylinder starts compressed, and along with reducing of volume of air, gas progressively increases the pressure of garbage tank, in the time that internal pressure exceedes cylinder wall end to the restriction of garbage tank, garbage tank is gone out by impelling fast.
The head of described garbage tank is taper, and garbage tank can body part coordinates with the exit end of cylinder.
Described cylinder is positioned on the excircle of spacecraft inside and is processed with induction opening.
Beneficial effect:
(1) the present invention can dish out astronaut's house refuse smoothly out of my cabin but can not make the gas of spacecraft inside reveal in a large number.
(2) compare with compressor mechanical with adopting oven dry, spacecraft house refuse flinger is cheap, bulking value is little, simple in structure, development difficulty is little, is adapted at using on any manned spacecraft.
(3) garbage tank head is processed as to taper, can reduces the resistance after garbage tank impelling.
(4) induction opening of cylinder excircle, can be after piston enters cylinder completely by induction opening to cylinder charge, to increase the pressure of gas in cylinder, improve the ejection velocity of garbage tank.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1-motor, 2-driven gear, 3-driving gear, 4-tooth rest, 5-screw rod, 6-piston, 7-cylinder, 8-garbage tank, 9-spacecraft inwall, 10-spacecraft outer wall, 11-spacecraft outer wall mouth.
The specific embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
The present embodiment provides a kind of spacecraft house refuse flinger, as shown in Figure 1.Adopt this projector the house refuses such as stool can be thrown to the earth with sufficiently high speed, can not make again spacecraft internal gas leak.
This spacecraft house refuse flinger comprises motor 1, cylinder 7, piston 6, driven gear 2, driving gear 3, screw rod 5, garbage tank 8 and tooth rest 4.Wherein garbage tank 8 is bullet shape, its one end sealing, and the other end is threaded connection garbage tank 8 end caps, and inside is used for holding house refuse.
Described cylinder 7 is cylindrical structural, and its exit end inwardly shrinks, the bottomless shell case of outer likeness in form.The arrival end of cylinder 7 is positioned at spacecraft inside, is connected with tooth rest 4; In the space of exit end between spacecraft inwall 9 and spacecraft outer wall 10, for garbage tank 8 is installed.The diameter of cylinder 7 exit end mates with the diameter of end cap side with garbage tank 8, and garbage tank 8 can be arranged on cylinder 7 closely, and can under the effect of certain thrust, depart from from cylinder 7.Piston 6 is housed in cylinder 7, one end of screw rod 5 is fixed on the center of piston 6 end faces by screw rod 5 covers, the other end passes successively driven gear 2 and is fixed on the bearing on tooth rest 4, described bearing is installed in driven gear 2 on tooth rest 4, and driven gear 2 centers are processed with the negative thread coordinating with screw rod 5.Driven gear 2 and the distance of cylinder 7 arrival end ends should guarantee when piston 6 retreat to fit with driven gear 2 position time, garbage tank 8 can pack in cylinder 7 from cylinder 7 arrival ends smoothly.The driving gear 3 and the motor 1 that engage with driven gear 2 are coaxial, and motor 1 drives driving gear 3 to rotate.Motor 1 is fixed on spacecraft inwall 9.Described cylinder 7 exit end are through the spacecraft inwall 9 towards the earth one side, and just to spacecraft outer wall mouth 11, the excircle of cylinder 7 and spacecraft inwall 9 seal, and guarantee that the head that the rear garbage tank 8 of garbage tank 8 is installed can not touch spacecraft outer wall 10.
The principle of work of this spacecraft house refuse flinger is:
When this flinger does not use, when piston 6 is positioned at the position of fitting with driven gear 2, spacecraft outer wall mouth 11 is closed.In the time of needs impelling house refuse, house refuse is packed in garbage tank 8, and tighten garbage tank 8 end caps; Then garbage tank 8 packed into cylinder 7 pushers to the exit end of cylinder 7 and compresses from the arrival end of cylinder 7, guaranteeing cylinder 7 exit end sealings.Open spacecraft outer wall mouth 11, because cylinder 7 excircles and spacecraft inwall 9 seal, the air in cabin can not leak by space-ward.Starter motor 1, motor 1 drives driven gear 2 to rotate by driving gear 3, passes through screw thread fit, because the friction between piston 6 and cylinder 7 inside faces is larger between driven gear 2 and screw rod 5, the rotation of restriction screw rod 5, thus screw rod 5 is moved along cylinder 7 axis directions.Screw rod 5 drives piston 6 to enter cylinder 7 and moves along cylinder 7 axis directions.Because air in cabin has entered cylinder 7, when piston 6 enters after cylinder 7 completely, air in cylinder 7 starts compressed, and along with reducing of volume of air, gas progressively increases the pressure of garbage tank 8, and in the time that internal pressure exceedes cylinder 7 wall ends to the restriction of garbage tank 8, garbage tank 8 is gone out by impelling fast, leave spacecraft, fly to the earth.After garbage tank 8 is by impelling, spacecraft outer wall mouth 11 is closed.
Because garbage tank 8 possesses the rate of onset of certain sensing earth, enter atmospheric envelope and burned through garbage tank 8 after a period of time, therefore can not form space junk.In addition after garbage tank 8 is dished out because piston 6 is still in cylinder 7, therefore spacecraft internal gas can not leak.
It is closely related that cast and garbage tank 8 are arranged on the tightness of cylinder 7 exit end, and while also sealing by piston 6 with cylinder 7, the volume of internal gas is closely related.The ejection velocity that therefore will improve garbage tank 8 just need to slightly increase the size of garbage tank 8, and it is arranged on cylinder 7 more tightly; Or after entering cylinder 7, piston 6 inflates to increase the quality of cylinder 7 gases to cylinder body by being positioned at an induction opening on the inner cylinder body of spacecraft.
Although the space rarefaction of air of spacecraft flight, neither not have air purely, therefore spacecraft will inevitably rub with air in space operational process, makes orbit altitude slow decreasing.For guarantee the normal work of spacecraft must carry out spacecraft track keep, utilize over time self-contained fuel for spacecraft rail lift.The opposite direction moving due to direction and the garbage tank 8 of spacecraft motion, and in garbage tank 8 quality certain in the situation that, its speed by impelling is faster, the speed that spacecraft moves is also faster, and spacecraft house refuse flinger can also play the effect that promotes spacecraft orbit height as can be seen here.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a spacecraft house refuse flinger, is characterized in that, comprises motor (1), cylinder (7), piston (6), driven gear (2), driving gear (3), screw rod (5), garbage tank (8) and tooth rest (4); The sealing of described garbage tank (8) one end, the other end is threaded connection garbage tank (8) end cap; Described cylinder (7) is cylindrical structural, and its exit end inwardly shrinks; The arrival end of cylinder (7) is positioned at spacecraft inside, and is connected with the tooth rest (4) that is positioned at spacecraft; Exit end is positioned at the space between spacecraft inwall (9) and spacecraft outer wall (10), for garbage tank (8) is installed; Cylinder (7) excircle and spacecraft inwall (9) sealing; The diameter of cylinder (7) exit end mates with the diameter of end cap side with garbage tank (8); Piston (6) is housed in cylinder (7), one end of screw rod (5) is fixed on the center of piston (6) end face by screw sleeve, the other end passes successively driven gear (2) and is fixed on the bearing on tooth rest (4), and described bearing is installed in driven gear (2) on tooth rest (4); Driven gear (2) center is processed with the negative thread coordinating with screw rod (5); Distance between driven gear (2) and cylinder (7) arrival end should guarantee to retreat when with the position of driven gear (2) end face laminating when piston (6), and garbage tank (8) can pack in cylinder (7) from the arrival end of cylinder (7) smoothly; The driving gear (3) and the motor (1) that engage with driven gear (2) are coaxial, and motor (1) drives driving gear (3) to rotate; Motor (1) is fixed on spacecraft inwall (9); Cylinder (7) exit end, through the spacecraft inwall (9) towards the earth one side, just to spacecraft outer wall mouth (11), guarantees that the head that the rear garbage tank (8) of garbage tank (8) is installed can not touch spacecraft outer wall (10);
In the time needing impelling that the garbage tank of house refuse (8) is housed, garbage tank (8) is packed into cylinder (7) pusher to the exit end of cylinder (7) and compresses from the arrival end of cylinder (7), starter motor (1), makes screw rod (5) move along cylinder (7) axis direction; Screw rod (5) drives piston (6) enter cylinder (7) and move along cylinder (7) axis direction; Because air in cabin has entered cylinder (7), when piston (6) enters after cylinder (7) completely, air in cylinder (7) starts compressed, and along with reducing of volume of air, gas progressively increases the pressure of garbage tank (8), in the time that internal pressure exceedes cylinder (7) wall end to the restriction of garbage tank (8), garbage tank (8) is gone out by impelling fast.
2. a kind of spacecraft house refuse flinger as claimed in claim 1, is characterized in that, described garbage tank (8) head is pyramidal structure, and its can body part coordinates with the exit end of cylinder (7).
3. a kind of spacecraft house refuse flinger as claimed in claim 1, is characterized in that, described cylinder (7) is positioned on the excircle of spacecraft inside and is processed with induction opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232857.7A CN102730204B (en) | 2012-07-06 | 2012-07-06 | Spacecraft domestic garbage catapult |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210232857.7A CN102730204B (en) | 2012-07-06 | 2012-07-06 | Spacecraft domestic garbage catapult |
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| Publication Number | Publication Date |
|---|---|
| CN102730204A CN102730204A (en) | 2012-10-17 |
| CN102730204B true CN102730204B (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210232857.7A Active CN102730204B (en) | 2012-07-06 | 2012-07-06 | Spacecraft domestic garbage catapult |
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| CN (1) | CN102730204B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109552667B (en) * | 2018-12-20 | 2020-11-10 | 西安空间无线电技术研究所 | Pneumatic casting device and method capable of repeatedly utilizing working medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201305309Y (en) * | 2008-10-08 | 2009-09-09 | 上海普泽瑞华环保科技有限公司 | Multi-port dumping station of pneumatic conveying system of garbage |
| CN201308901Y (en) * | 2008-09-27 | 2009-09-16 | 中国人民解放军海军工程大学 | Vessel garbage disposal machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03246200A (en) * | 1990-02-26 | 1991-11-01 | Nec Corp | Waste throwaway device on orbit |
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2012
- 2012-07-06 CN CN201210232857.7A patent/CN102730204B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201308901Y (en) * | 2008-09-27 | 2009-09-16 | 中国人民解放军海军工程大学 | Vessel garbage disposal machine |
| CN201305309Y (en) * | 2008-10-08 | 2009-09-09 | 上海普泽瑞华环保科技有限公司 | Multi-port dumping station of pneumatic conveying system of garbage |
Non-Patent Citations (1)
| Title |
|---|
| JP平3-246200A 1991.11.01 |
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| CN102730204A (en) | 2012-10-17 |
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