CN112326308A - Weak-gravity chemical actuating device and stripping method for breaking and stripping surface substances of celestial body - Google Patents
Weak-gravity chemical actuating device and stripping method for breaking and stripping surface substances of celestial body Download PDFInfo
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- CN112326308A CN112326308A CN202010976167.7A CN202010976167A CN112326308A CN 112326308 A CN112326308 A CN 112326308A CN 202010976167 A CN202010976167 A CN 202010976167A CN 112326308 A CN112326308 A CN 112326308A
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- 239000000126 substance Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims description 16
- 230000035515 penetration Effects 0.000 claims abstract description 64
- 239000003380 propellant Substances 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 11
- 239000007795 chemical reaction product Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 229920001220 nitrocellulos Polymers 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 229920000271 Kevlar® Polymers 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 5
- 239000004761 kevlar Substances 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 210000004712 air sac Anatomy 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 18
- 238000005070 sampling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005486 microgravity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
A chemical actuating device for breaking and stripping the surface substance of celestial body with weak gravitation is composed of booster, elastic support and air bag penetrating body. The booster comprises a guide pipe, a propellant and a propellant igniter; the air bag penetration body comprises a penetration warhead, a pit-opening air bag, an ejection air bag, a pit-opening air bag gas generating agent, a pit-opening air bag ignition tool, an ejection air bag gas generating agent, an ejection air bag ignition tool, an inner guide rod, a sealing layer and a shell. The bullet drags and the gasbag penetration body and installs inside the boost motor in proper order. The propellant igniter is arranged at the top of the guide pipe, and the lower part of the propellant igniter is provided with propellant. The penetration warhead is arranged at the lower part of the air bag penetration body shell, and the upper part of the penetration warhead is sequentially provided with an ejection air bag ignition tool, an ejection air bag gas generating agent, an ejection air bag sealing layer, a pit-opening air bag ignition tool, a pit-opening air bag gas generating agent and a pit-opening air bag. The invention solves the peeling requirement of celestial body surface substances under weak gravity, vacuum and low-temperature environments, and provides a prerequisite condition for acquisition of a star sample and scientific detection of a subsurface layer.
Description
Technical Field
The invention relates to a chemical actuation device and a stripping method suitable for breaking and stripping substances on the surface of a celestial body under weak gravity, and belongs to the technical field of deep space exploration.
Background
In the process of deep space exploration, the detection target of extraterrestrial celestial bodies is turned to 'tracing life origin, perfecting celestial body recognition and creating future home'. The small celestial body is an important carrier for people to know the origin evolution of the solar system, bears rich scientific information, contains rich precious metals and rare elements, and has great utilization value, so that the small celestial body has important scientific and engineering significance for detecting the small celestial body.
Most small celestial bodies store a surface layer on the surface (or part of the surface) and are mainly formed by space weathering, including celestial body impact, solar wind ion input, substance sputtering, micromerite bombardment and the like, so that a large amount of fragments and sand grains with different sizes and forms are generated after the small celestial body original substances are fractured. In addition, the solar irradiation, the solar wind and the space ions can generate an electrostatic field in the space of the surface of the small celestial body, so that particles with smaller diameters generate a suspension layer and are gradually deposited to form surface soil under the profit effect. The surface of the small celestial body surface, such as soil, debris and gravel, is the operational target of the sampling task. The small celestial body has more complex characteristics, larger uncertainty, weak attraction, low surface temperature, high vacuum and other environmental characteristics, so the sampler has the operation capability of low reaction force and independent of fixed attachment posture; the method is suitable for harsh working environments such as vacuum, low temperature, space irradiation and the like; and meanwhile, multifunctional integration is required to realize lightweight design and meet the requirements of space mechanisms. At present, the extraterrestrial star soil sampling actuating mechanism is mostly based on the traditional mechanical operation principle, is difficult to adapt to the particularity of a small celestial body sampling task, and needs to design a novel sampling actuating mechanism to adapt to the requirements of subsequent tasks.
In addition, the subsurface layer of the celestial body such as the main belt comet is weaker than the surface due to the space efflorescence effect, so that the original scientific information is easier to maintain, and the method has a specific scientific detection value. Then, due to the characteristics of small celestial body, weak attraction and high vacuum environment, the detector is difficult to attach, a large-force carrier is difficult to operate, a high-efficiency and reliable surface substance stripping means is needed for surface layer pit opening, conditions are provided for subsurface substance detection, and pollutants cannot be introduced to destroy the original substance components of the celestial body. No effective technical means for achieving the above-mentioned objects exist at present.
Disclosure of Invention
The invention aims to: the device and the method solve the problem of peeling the celestial body surface substances under the environment of weak gravity, vacuum and low temperature, and provide a prerequisite for star sample collection and subsurface scientific detection.
The technical solution adopted by the invention is as follows:
a chemical actuating device suitable for crushing and peeling substances on the surface of a weak gravity celestial body comprises a booster, a bullet holder and an air bag penetration body; the bullet holder and the air bag penetration body are sequentially arranged inside the booster; the booster adopts chemical energy to provide a directional acceleration function for the air bag penetration body; the projectile support seals the chemical reaction product of the booster in the cavity of the booster, so that the chemical reaction product is prevented from polluting the star body; the air bag penetration body impacts the surface of the star body under the acceleration action and enters a certain depth, then the surface of the star body is dug, star surface substances are peeled off, and then the star surface substances are popped out of the bottom of the pit.
Further, the pitting refers to forming a pit-shaped structure on the surface of the star body.
Further, the booster comprises a propellant igniter, a propellant and a guide pipe;
the booster is in a long cylinder shape with a closed top surface, the top of the booster is provided with a propellant igniter, the side wall of the booster is provided with a guide pipe, and the propellant is arranged below the propellant igniter; the bullet support is arranged below the propellant and is fixed on the inner wall of the guide pipe; the air bag penetration body is arranged below the bullet holder.
Further, the airbag penetration body comprises a shell, a pit-opening airbag, an inner guide rod, a pit-opening airbag igniter, a pit-opening airbag gas generating agent, an ejection airbag gas generating agent, a penetration warhead, an ejection airbag igniter and a sealing layer;
the penetration warhead is positioned at the bottom of the shell of the air bag penetration body, and the ejection air bag igniter and the ejection air bag are sequentially arranged above the penetration warhead; the ejection air bag gas generating agent is arranged in the ejection air bag, two sealing layers are arranged above the ejection air bag, and the pit-opening air bag igniter and the pit-opening air bag gas generating agent are sealed between the two sealing layers; the pit-opening air bag is arranged in a cavity formed by the shell and the sealing layer positioned on the upper side, and the inner guide rod is arranged in the center of the cavity formed by the shell and the sealing layer positioned on the upper side along the axis and used for guiding the pit-opening air bag.
Further, after the propellant igniter is ignited, the propellant is initiated to generate chemical reaction, and the bullet holder and the airbag penetration body are pushed to move along the guide pipe;
when the gas bag moves to the tail end of the guide pipe, the guide pipe structurally limits the missile support, so that the guide pipe and the missile support form a closed cavity, a propellant chemical reaction product is sealed in the cavity of the booster, the chemical product is prevented from polluting a star body, and the gas bag penetration body is driven into the star watch.
Furthermore, after the airbag penetration is driven into the star watch by the booster, the pit-opening airbag igniter is ignited to initiate a chemical reaction of the pit-opening airbag gas generating agent, so that the sealing layer on the upper side is broken, and the pit-opening airbag is expanded to lift the star watch substances to realize pit opening.
Furthermore, after the pit-opening air bag is expanded, a chemical product of the pit-opening air bag gas generating agent is sealed inside the pit-opening air bag, so that the pollution of the chemical product to the star body is avoided.
Furthermore, after the pit-opening air bag expands, the ejection air bag is ignited by the igniter to trigger the gas generating agent of the ejection air bag to generate chemical reaction, so that the ejection air bag expands, and then the pit-opening air bag is ejected from the surface of the star body, thereby providing an operation interface for subsequent detection.
Further, the star body is a weak attraction celestial body.
Further, the length-width-aperture ratio of the guide tube is 40:3:2, the guide tube is made of Kevlar, and the effective stroke in the bore is 3/4 times of the length of the guide tube; the propellant is nitrocotton gunpowder, and the mass ratio of the nitrocotton gunpowder to the airbag penetration body is 3.5: 1.
Furthermore, the invention also provides a weak gravity celestial body surface substance crushing and stripping method, which comprises the following steps:
(a) in the boosting stage, a propellant igniter is ignited, the propellant is subjected to chemical reaction, and the projectile holder and the air bag penetration body guide pipe are pushed to move; after moving to the bottom of the guide pipe, the guide pipe mechanically limits the elastic support, the guide pipe and the elastic support form a closed space, and a propellant chemical reaction product is sealed in a cavity of the guide pipe; the air bag penetration body is separated from the guide tube and continues to move;
(b) in the pit opening stage, the airbag penetration body moves to the surface of the star body under the action of inertia force to start penetration operation, after penetration reaches a certain depth, the airbag penetration body stops moving, the pit opening airbag igniter ignites to enable the pit opening airbag gas generating agent to generate chemical reaction, and the pit opening airbag gas generating agent chemical reaction product enables the pit opening airbag to expand to perform pit opening on the star body; the catapult air bag igniter is used for igniting, the catapult air bag gas generating agent is subjected to chemical reaction, so that the catapult air bag is expanded, the pit-opening air bag is catapulted away from the surface of the star body, an operation interface is provided for subsequent detection of the subsurface of the star body, and the crushing and stripping of substances on the surface of the star body under weak attraction are completed.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can implement remote independent pit digging operation under the non-landing state of the detector, and reduce the inverse requirement on the landing capability of the detector.
(2) The invention adopts chemical energy to replace the traditional mechanical energy for operation, and has the advantages of small volume, light weight, high mass-energy ratio and the like compared with the traditional mechanical device.
(3) The chemical reaction involved in the boosting operation process of the invention occurs in the cavity of the guide pipe, and the chemical reaction product can be sealed in the cavity formed by the bullet holder and the guide pipe, thereby avoiding the pollution of the external environment.
(4) The chemical reactions involved in the pit opening operation process of the invention all occur in the closed air bag, and the chemical reaction products can be effectively sealed in the air bag, thereby avoiding the direct release of the chemical reaction products and the stars and further avoiding the pollution of the stars.
(5) The invention adopts the double-airbag design, can realize effective large-volume pit opening and effective avoidance, completely exposes the pit opening surface and provides an operation interface for the scientific detection of the subsurface layer of the subsequent star body.
(6) The invention comprises a booster, a bullet holder and an air bag penetration body. The booster adopts a chemical energy actuation principle to provide a directional function for an air bag penetration body; the bullet support has the function of sealing the chemical reaction product of the booster in the cavity of the booster, so that the chemical reaction product is prevented from polluting the star body; the airbag penetration body impacts the surface of the star body under the acceleration action and enters a certain depth, the pit opening airbag is opened to strip star surface substances, and then the ejection airbag is started to eject the airbag to the bottom of the pit, so that the requirement of stripping the substances on the surface of the star body under the environment of weak gravitation, vacuum and low temperature is met, and a prerequisite condition is provided for star body sample collection and subsurface layer scientific detection.
Drawings
FIG. 1 is a first structural diagram of a chemical actuating apparatus for breaking and peeling a surface material on a weak gravity celestial body;
FIG. 2 is a schematic structural diagram of a chemical actuating apparatus for breaking and peeling substances on the surface of a celestial body with weak gravity;
FIG. 3 is a schematic flow diagram of the booster operation;
fig. 4 is a schematic diagram of the process flow of the implementation.
Detailed Description
The invention relates to a chemical actuating device and a stripping method suitable for breaking and stripping substances on the surface of a celestial body under weak gravity, which are used for providing chemical actuating energy to bombard a star surface and using an air bag to expand and open soft substances on the surface layer of the star body aiming at the stripping requirements of the substances on the surface layer of the celestial body under the microgravity vacuum environment, can be used as an auxiliary means for sampling small celestial bodies to realize sample star body stripping, can also be used as a pit opening means for quickly, efficiently and pollution-free star surfaces, and provide a prerequisite condition for scientific load to detect substances on the subsurface layer of the celestial body. The mechanism is suitable for the technical field of deep space exploration, and can be applied to surface sampling and pit-opening detection operation of small celestial bodies in weak-gravity vacuum environments such as asteroids, main belt comets and the like.
As shown in FIG. 1, the chemical actuating device for breaking and peeling the surface material of the celestial body with weak gravity of the invention comprises: comprises a booster 1, a bullet holder 2 and an air bag penetration body 3. The bullet holder 2 is positioned between the booster 1 and the airbag penetration body 3; the booster 1 adopts chemical energy to provide a directional function for the air bag penetration body 3; the projectile support 2 seals the chemical reaction product of the booster 1 in the cavity of the booster, so that the chemical reaction product is prevented from polluting a star body; the air bag penetration body 3 impacts the surface of the star body under the acceleration action and enters a certain depth, then the surface of the star body is dug, star surface substances are peeled off, and then the star surface substances are popped out of the bottom of the pit. The term "pitting" as used herein means forming a cratered structure on the surface of the star.
As shown in fig. 2, the booster 1 includes a propellant igniter 4, a propellant 5, a guide tube 6; the air bag penetration body 3 comprises a shell 7, a pit-opening air bag 8, an inner guide rod 9, a pit-opening air bag igniter 10, a pit-opening air bag gas generating agent 11, an ejection air bag 12, an ejection air bag gas generating agent 13, a penetration warhead 14, an ejection air bag igniter 15 and a sealing layer 16.
The booster 1 is in a long cylindrical configuration with a closed top surface, the top of the booster is provided with a propellant igniter 4, the side wall of the booster is provided with a guide pipe 6, and a propellant 5 is arranged below the propellant igniter 4. Wherein the length-width-aperture ratio of the guide tube 6 is 40:3:2, the material is Kevlar, and the effective stroke in the bore is 3/4 of the length of the guide tube 6. The propellant 5 adopts nitrocotton powder, and the mass ratio of the nitrocotton powder to the airbag penetration body 3 is 3.5: 1.
The bullet holder 5 is arranged below the propellant 5 and fixed on the inner wall of the guide tube 6, and the material of the bullet holder is Kevlar.
The invention adopts the double-airbag design, can realize effective large-volume pit opening and effective avoidance, completely exposes the pit opening surface and provides an operation interface for the scientific detection of the subsurface layer of the subsequent star body.
The airbag penetration body 3 is installed below the sabot 2. The penetration warhead 14 is positioned at the bottom of the shell 7 of the air bag penetration body 3 and is made of Kevlar; the ejection air bag igniter 15 and the ejection air bag 12 are arranged above the penetration warhead 14. The ejection airbag gas generant 13 is disposed within the ejection airbag 12 and the sealing layer 16 is mounted above the ejection airbag 12. The dimpled air bag igniter 10 and the dimpled air bag gas generant 11 are sealed within the sealing layer 16. The pit-opening air bag 8 is arranged in a cavity formed by the shell 7 and the sealing layer 16.
The inner guide rod 9 is arranged in the center of a cavity formed by the shell 7 and the sealing layer 16, is made of titanium alloy and is used for guiding the pit-opening air bag 8.
The chemical reaction that the boosting operation in-process was related takes place inside the stand pipe cavity, and the chemical reaction product can be sealed inside the cavity that bullet held in the palm and stand pipe are constituteed, has avoided its pollution external environment. Chemical reactions involved in the pit opening operation process all occur in the sealed air bag, and chemical reaction products can be effectively sealed in the air bag, so that direct contact between the chemical reaction products and the star body is avoided, and further the pollution of the star body by the chemical reaction products is avoided.
The operation process of the chemical actuating device for breaking and stripping the substances on the surface of the celestial body with weak gravity comprises two stages of boosting and pit opening.
A boosting stage:
the initial relative positions of the booster 1, the sabot 2 and the airbag penetration body 3 are shown in fig. 3 a; the propellant igniter 4 is ignited, the propellant 5 is subjected to chemical reaction, and the bullet holder 2 and the air bag penetration body 3 are pushed to move along the guide pipe 6, as shown in fig. 3 b; after moving to the bottom of the guide pipe 6, the guide pipe 6 carries out mechanical limit on the bullet holder 2, the guide pipe 6 and the bullet holder 2 form a closed space, and a chemical reaction product of the propellant 5 is sealed in a cavity of the guide pipe 6; the balloon penetrating body 3 is detached from the guiding tube 6 and continues to move, as shown in fig. 3 c.
A pit opening stage:
the air bag penetration body 3 moves to the surface of the star body under the action of inertia force to start penetration operation, and the position is shown in a figure 4 d; after penetration to a certain depth, stopping movement, as shown in fig. 4 e; the pitted air bag igniter 10 is ignited, so that the pitted air bag gas generating agent 11 is subjected to chemical reaction, and the sealing layer 16 positioned on the upper side is crushed, as shown in fig. 4 f; the chemical reaction product of the pit-opening airbag gas generating agent 11 expands the pit-opening airbag 8 to pit the star body, as shown in fig. 4 g; the ejection air bag igniter 15 is ignited, and the ejection air bag gas generating agent 13 is subjected to chemical reaction, so that the ejection air bag 12 is expanded, and the pit-opening air bag 8 is ejected, as shown in fig. 4 h; the crater balloon 8 bounces off the surface of the star to provide a working interface for subsequent scientific detection of the subsurface of the star, as shown in fig. 4 i.
The invention can implement remote independent pit digging operation under the non-landing state of the detector, and reduce the inverse requirement on the landing capability of the detector. The chemical energy is adopted to replace the traditional mechanical energy for operation, and compared with the traditional mechanical device, the chemical energy-saving device has the advantages of small volume, light weight, high mass-energy ratio and the like.
Those matters not described in detail in the present specification are well known in the art.
Claims (11)
1. The utility model provides a chemical actuation device suitable for broken peeling off of weak gravitation celestial surface material which characterized in that: comprises a booster (1), a bullet holder (2) and an air bag penetration body (3); the bullet holder (2) and the air sac penetration body (3) are sequentially arranged inside the booster (1); the booster (1) adopts chemical energy to provide a directional function for the air bag penetration body (3); the projectile support (2) seals the chemical reaction product of the booster (1) in the booster cavity, so that the chemical reaction product is prevented from polluting a star body; the air bag penetration body (3) impacts the surface of the star body under the acceleration action and enters a certain depth, then the surface of the star body is dug, star surface substances are peeled off, and then the star surface substances are ejected out of the bottom of the pit.
2. The chemical actuation apparatus of claim 1, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with low gravitational force, and further comprising: the pitting refers to forming a pit-shaped structure on the surface of the star body.
3. The chemical actuation apparatus of claim 1, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with low gravitational force, and further comprising: the booster (1) comprises a propellant igniter (4), a propellant (5) and a guide pipe (6);
the booster (1) is in a long cylindrical configuration with a closed top surface, the top of the booster is provided with a propellant igniter (4), the side wall of the booster is provided with a guide pipe (6), and a propellant (5) is arranged below the propellant igniter (4); the bullet holder (2) is arranged below the propellant (5) and is fixed on the inner wall of the guide pipe (6); the air bag penetration body (3) is arranged below the bullet holder (2).
4. The chemical actuation apparatus of claim 1, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with low gravitational force, and further comprising: the air bag penetration body (3) comprises a shell (7), a pit-opening air bag (8), an inner guide rod (9), a pit-opening air bag ignition tool (10), a pit-opening air bag gas generating agent (11), a launch air bag (12), a launch air bag gas generating agent (13), a penetration warhead (14), a launch air bag ignition tool (15) and a sealing layer (16);
the penetration warhead (14) is positioned at the bottom of the shell (7) of the air bag penetration body (3), and the ejection air bag igniter (15) and the ejection air bag (12) are sequentially arranged above the penetration warhead (14); the ejection air bag gas generating agent (13) is arranged in the ejection air bag (12), two sealing layers (16) are arranged above the ejection air bag (12), and the pit-opening air bag igniter (10) and the pit-opening air bag gas generating agent (11) are sealed between the two sealing layers (16); the pit opening air bag (8) is arranged in a cavity formed by the shell (7) and the sealing layer (16) positioned on the upper side, and the inner guide rod (9) is arranged in the center of the cavity formed by the shell (7) and the sealing layer (16) positioned on the upper side along the axis and used for guiding the pit opening air bag (8).
5. The chemical actuation apparatus of claim 3, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with weak gravitational force, and further comprising: after the propellant igniter (4) is ignited, the propellant (5) is initiated to carry out chemical reaction, and the bullet holder (2) and the airbag penetration body (3) are pushed to move along the guide pipe (6);
when the gas bag moves to the tail end of the guide pipe (6), the guide pipe (6) structurally limits the missile support (2), so that the guide pipe (6) and the missile support (2) form a closed cavity, a propellant chemical reaction product is sealed in the cavity of the booster (1), the pollution of the chemical product to a star body is avoided, and meanwhile, the gas bag penetration body (3) is driven into the star watch.
6. The chemical actuation apparatus of claim 5, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with weak gravitational force, and further comprising: after the air bag penetration body (3) is driven into the star watch by the booster (1), the pit-opening air bag igniter (10) is ignited to trigger the pit-opening air bag gas generating agent (11) to generate chemical reaction, the sealing layer (16) positioned on the upper side is broken, and the pit-opening air bag (8) is expanded to open star watch substances to realize pit opening.
7. The chemical actuation apparatus of claim 6, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with weak gravitational force, and further comprising: after the pit-opening air bag (8) is expanded, a chemical product of the pit-opening air bag gas generating agent (11) is sealed in the pit-opening air bag (8), so that the pollution of the chemical product to a star body is avoided.
8. The chemical actuation apparatus of claim 6, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with weak gravitational force, and further comprising: after the pit-opening air bag (8) is expanded, the ejection air bag ignition device (15) is ignited to trigger the ejection air bag gas generating agent (13) to generate chemical reaction, so that the ejection air bag (12) is expanded, the pit-opening air bag (8) is ejected from the surface of the star body, and an operation interface is provided for subsequent detection.
9. The chemical actuation apparatus of claim 1, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with low gravitational force, and further comprising: the star refers to a weak gravity celestial body.
10. The chemical actuation apparatus of claim 1, wherein the chemical actuation apparatus is adapted for breaking and peeling a material on the surface of a celestial body with low gravitational force, and further comprising: the length-width ratio and the aperture ratio of the guide pipe (6) are 40:3:2, the material is Kevlar, and the effective stroke in the bore is 3/4 of the length of the guide pipe (6); the propellant (5) adopts nitrocotton powder, and the mass ratio of the nitrocotton powder to the airbag penetration body (3) is 3.5: 1.
11. The method for breaking and peeling the surface material of the weak-gravity celestial body based on the chemical actuating device for breaking and peeling the surface material of the weak-gravity celestial body as claimed in any one of claims 1-10 is characterized by comprising the following steps:
(a) in the boosting stage, a propellant igniter (4) is ignited, a propellant (5) is subjected to chemical reaction, and a bullet holder (2) and an air bag penetration body (3) are pushed to move along a guide pipe (6); after moving to the bottom of the guide pipe (6), the guide pipe (6) mechanically limits the bullet holder (2), the guide pipe (6) and the bullet holder (2) form a closed space, and a chemical reaction product of the propellant (5) is closed in a cavity of the guide pipe (6); the air bag penetration body (3) is separated from the guide tube (6) and continues to move;
(b) in the pit-opening stage, the airbag penetration body (3) moves to the surface of the star body under the action of inertia force to start penetration operation, after penetration to a certain depth, the movement is stopped, the pit-opening airbag ignition tool (10) ignites to enable the pit-opening airbag gas generating agent (11) to generate chemical reaction, the pit-opening airbag gas generating agent (11) chemical reaction product enables the pit-opening airbag (8) to expand, and pit opening is carried out on the star body; the ejection air bag igniter (15) is ignited, the ejection air bag gas generating agent (13) is subjected to chemical reaction, so that the ejection air bag (12) is expanded, the pit-opening air bag (8) is ejected from the surface of the star body, an operation interface is provided for subsequent detection of the subsurface of the star body, and the crushing and stripping of the substances on the surface of the celestial body under weak attraction are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976167.7A CN112326308B (en) | 2020-09-16 | 2020-09-16 | Chemical actuation device for breaking and stripping substances on surface of weak-attraction celestial body and stripping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010976167.7A CN112326308B (en) | 2020-09-16 | 2020-09-16 | Chemical actuation device for breaking and stripping substances on surface of weak-attraction celestial body and stripping method |
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| CN113984490A (en) * | 2021-08-26 | 2022-01-28 | 四川航天系统工程研究所 | System and method for analyzing extraterrestrial body soil volatile components by means of penetration heat induction |
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