CN111122220A - Transposition disc cutter cutting sampling and air blowing sample sending type asteroid surface star soil sampler - Google Patents
Transposition disc cutter cutting sampling and air blowing sample sending type asteroid surface star soil sampler Download PDFInfo
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- CN111122220A CN111122220A CN201811277168.1A CN201811277168A CN111122220A CN 111122220 A CN111122220 A CN 111122220A CN 201811277168 A CN201811277168 A CN 201811277168A CN 111122220 A CN111122220 A CN 111122220A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
Abstract
A transposition disc cutter cutting sampling and air blowing sample type asteroid surface star soil sampler belongs to the technical field of asteroid detection sampling. The invention solves the problem that the existing planet surface star soil sampler cannot carry out multi-point sampling on one attachment site. The top of the cover body is communicated with a sample conveying pipeline through an elbow, the elbow is rotatably connected with the sample conveying pipeline, two outer rotor energy storage motors are horizontally arranged in the cover body through two motor bases in a corresponding mode, two disc cutters are fixedly connected to the two outer rotor energy storage motors in a corresponding mode, a plurality of nozzles are inserted into the side wall of the lower portion of the cover body and communicated with the inner cavity of the cover body, and each nozzle is communicated with a gas cylinder through a gas pressure pipe. The sampling mechanism has a transposition function and realizes multipoint sampling and point selection sampling. Can adapt to the surface rocks of the asteroid with different shapes and sizes and the micro-gravity environment of the asteroid.
Description
Technical Field
The invention relates to a transposition disc cutter cutting sampling and air blowing sample-sending type asteroid surface star soil sampler, and belongs to the technical field of asteroid detection sampling.
Background
The asteroid saves the information when the solar system is formed, and the difference of the composition material components of different asteroids is large, so that the detection and sampling of the material on the surface of the asteroid are facilitated, and the research on the origin of the solar system and the development of the space resources available for human beings are facilitated. The surface topography and the form of the asteroid are complex, the material particle forms are different in size, and a sampler is required to have certain adaptability and flexibility. In addition, the surface of the asteroid is in a micro-gravity environment, and the motion trail of the collected sample is difficult to control, so that the sampler is required to play a certain guiding role on the sample.
At present, the star soil sampler on the surface of the asteroid mainly has two schemes, one scheme is that a launching metal ball impacts the surface of the asteroid to splash surface substances, and a horn-shaped sampling device is used for collecting samples; the other method is to release high-pressure gas on the surface of the asteroid, blow the surface substances and collect the substances. The two schemes have the problem that the detector cannot perform multi-point sampling on one attachment site, and the flexibility is poor.
Disclosure of Invention
The invention aims to solve the problem that the existing planet surface star soil sampler cannot perform multi-point sampling on one attachment site, and further provides an indexing disc cutter cutting sampling and air blowing sample type small planet surface star soil sampler.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a transposition disc cutter cutting sampling and air blowing sample sending type asteroid surface star soil sampler comprises a detector main body, a mechanical arm for supporting the detector main body, a sample sending pipeline, an air cylinder, a ruler feeding mechanism, a sampling mechanism, a return cabin and a sample container, wherein the air cylinder, the ruler feeding mechanism and the return cabin are respectively fixed on the detector main body, the sample container is arranged in the return cabin, the sampling mechanism is communicated with the sample container through the sample sending pipeline, the ruler feeding mechanism drives the sampling mechanism to realize linear feeding motion through the sample sending pipeline, the sampling mechanism comprises a transposition motor, a driving gear, a driven gear, a bent pipe, a cover body, two disc cutters, two outer rotor energy storage motors, two motor bases, a plurality of air pressure pipes and a plurality of nozzles, the driving gear is meshed with the driven gear, the top of the cover body is communicated with the sample sending pipeline through the bent pipe, and the bent pipe is in rotary connection with the sample sending, the indexing motor is vertically and fixedly connected to the lower portion of the sample conveying pipeline, the driven gear is sleeved on the lower portion of the sample conveying pipeline in an empty mode, the outer rotor energy storage motors are fixedly sleeved on the upper portion of the bent pipe, the two outer rotor energy storage motors are arranged in the cover body in a horizontal mode through the two motor bases, the two disc cutters are fixedly connected to the two outer rotor energy storage motors in a coaxial mode, the plurality of nozzles are inserted into the side wall of the lower portion of the cover body and communicated with the inner cavity of the cover body, and each nozzle is communicated with the gas.
Further, the footage mechanism includes footage motor, shaft coupling, frame, guide rail, lead screw, the screw that is connected with lead screw-thread fit and a plurality of and guide rail complex sliders, the frame is fixed in the detector main part, and the equal vertical rigid coupling of footage motor and guide rail just is located the both sides of sending a kind pipeline respectively in the detector main part, and screw and slider rigid coupling are respectively on the both sides wall of sending a kind pipeline, and the lead screw rotates to be connected in the frame and through shaft coupling and footage motor rigid coupling.
Further, the number of the sliding blocks is at least two.
Furthermore, the sample sending pipeline comprises a sample sending hose and a sample sending rigid pipe, wherein the sample sending rigid pipe is communicated with the sample container through the sample sending hose, one end, far away from the sample sending hose, of the sample sending rigid pipe is communicated with the cover body, and the screw rod and the guide rail are respectively arranged on two sides of the sample sending rigid pipe.
Further, one end part of the elbow pipe communicated with the cover body is a sample inlet end, the two disc cutters are symmetrically arranged relative to the center line of the sample inlet end, and the rotation direction is inwards relative rotation.
Further, the number of the nozzles is two, and the central axes of the two disc cutters are symmetrically arranged about a vertical plane where the two nozzles are located.
Further, the nozzle is arranged below the horizontal plane where the central line of the disc cutter is located.
Further, the gas in the gas cylinder is inert gas.
The gas cylinder is characterized by further comprising a flow divider, wherein the flow divider is fixedly connected to the cover body, the flow divider is communicated with the gas cylinder through a gas pressure pipe, and the flow divider is communicated with the plurality of nozzles through a gas pressure pipe.
Compared with the prior art, the invention has the following effects:
firstly, a disc cutter is used for sampling, the disc cutter is suitable for cutting rocks with different shapes, particle sizes and hardness, and the capability of adapting to various surface appearances is strong;
an outer rotor energy storage motor is adopted to drive the disc cutter to rotate at a high speed, and cutting is performed by utilizing large inertia generated when the disc cutter rotates at the high speed, so that the power consumption of the device is reduced;
thirdly, the sample is sent to the sample container by using gas, the structure is simple, the collection efficiency is high, and no sample sending mechanism is arranged in the return cabin, so that the quality of the return cabin is effectively reduced;
a transposition motor and a bent pipe are designed on the sampling mechanism, so that multi-point sampling and point selection sampling of the sampler are realized, and the sampling capacity and flexibility are effectively improved;
fifthly, the cover body and the bent pipe have a guiding function on the flow of the sample and the gas and adapt to the micro-gravity environment of the small planet.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the footage mechanism;
FIG. 3 is a schematic structural view of a sampling mechanism;
fig. 4 is a schematic position diagram of the disc cutter.
Detailed Description
The first embodiment is as follows: the embodiment is described by combining fig. 1-4, the transposition disc cutter cutting sampling and air blowing sample sending type asteroid surface star soil sampler comprises a detector main body 1 and a mechanical arm 7 supporting the detector main body 1, and further comprises a sample sending pipeline, an air bottle 4, a footage mechanism 5, a sampling mechanism 6, a return cabin 8 and a sample container 9, wherein the air bottle 4, the footage mechanism 5 and the return cabin 8 are respectively fixed on the detector main body 1, the sample container 9 is arranged in the return cabin 8, the sampling mechanism 6 is communicated with the sample container 9 through the sample sending pipeline, the footage mechanism 5 drives the sampling mechanism 6 to realize linear feeding motion through the sample sending pipeline, the sampling mechanism 6 comprises a transposition motor 6-12, a driving gear 6-11, a driven gear 6-1, a bent pipe 6-3, a cover body 6-10, two disc cutters 6-9 and two outer rotor energy storage motors 6-7, Two motor bases 6-8, a plurality of pneumatic tubes 6-4 and a plurality of nozzles 6-6, a driving gear 6-11 is meshed with a driven gear 6-1, the top of a cover body 6-10 is communicated with a sample conveying pipeline through a bent tube 6-3, the elbow 6-3 is rotationally connected with the sample sending pipeline, the indexing motor 6-12 is vertically and fixedly connected with the lower part of the sample sending pipeline, the driven gear 6-1 is sleeved on the lower part of the sample sending pipeline in an empty way, the fixed sleeve is arranged at the upper part of the elbow 6-3, the two outer rotor energy storage motors 6-7 are correspondingly and horizontally arranged in the cover body 6-10 through two motor bases 6-8, the two disc cutters 6-9 are correspondingly and coaxially fixedly connected to the two outer rotor energy storage motors 6-7, the plurality of nozzles 6-6 are inserted into the side wall of the lower part of the cover body 6-10 and are communicated with the inner cavity of the cover body 6-10, and each nozzle 6-6 is communicated with the gas cylinder 4 through a gas pressure pipe 6-4.
The central axes of the two disc cutters 6-9 are arranged parallel to each other. A bearing 6-2 is arranged between the driven gear 6-1 and the sample conveying pipeline. The indexing motor 6-12 drives the bent pipe 6-3 through a gear pair and drives the cover body 6-10 and the disc cutter 6-9 to rotate around the sample conveying pipeline, so that multi-point and point selection sampling of the sampling mechanism 6 is realized, and inert gas is blown out from the nozzle 6-6 to enable a sample to enter the sample container 9 along the cover body 6-10, the bent pipe 6-3 and the sample conveying pipeline. The indexing motor 6-12 is fixed on the sample conveying pipeline and is connected with the driving gear 6-11 through a set screw, the driven gear 6-1 is fixedly connected with the bent pipe 6-3, and the bent pipe 6-3 rotates around the sample conveying pipeline through the bearing 6-2. The gas cylinder 4 supplies gas and is controlled by a valve to open and close the gas flow. The gas distributor also comprises a flow divider 6-5, wherein the flow divider 6-5 can be fixed on the cover body 6-10 or the elbow 6-3 and divides the gas into multiple paths to be sent to the nozzle 6-6, the nozzle 6-6 is fixed on the cover body 6-10, and the number of the nozzles 6-6 is at least one.
The probe body 1 lands on the surface of the asteroid by the robotic arm 7. The outer rotor of the outer rotor energy storage motor 6-7 is connected with the disc cutter 6-9, and drives the disc cutter 6-9 to rotate at a high speed, cut large rocks and sweep broken stones. The nozzle 6-6 is arranged at the lower edge of the cover body 6-10, and the blown gas sends the sample to a narrow opening at the top of the cover body 6-10 under the drainage action of the cover body 6-10. The nozzle 6-6 is a gas nozzle 6-6, gas is provided by the gas bottle 4, and the gas sends the sample to the sample container 9 along the sample sending pipeline under the guiding of the cover body 6-10 in the sampling mechanism 6, so that the sample sending is completed. The cover body 6-10 is in streamline design and has the function of drainage guide. The returning capsule is used as a carrier for returning the sample to the earth after the collection is finished.
The invention has simple and reliable structure, low power consumption and high sampling efficiency, and can adapt to the complex surface morphology of the asteroid and the micro-gravity environment.
The feed mechanism 5 comprises a feed motor 5-1, a coupler 5-2, a rack 5-7, guide rails 5-5, a lead screw 5-3, a nut 5-4 in threaded fit connection with the lead screw 5-3 and a plurality of slide blocks 5-6 in fit connection with the guide rails 5-5, the rack 5-7 is fixed on the detector main body 1, the feed motor 5-1 and the guide rails 5-5 are vertically and fixedly connected to the detector main body 1 and are respectively located on two sides of the sample sending pipeline, the nut 5-4 and the slide blocks 5-6 are respectively and fixedly connected to two side walls of the sample sending pipeline, and the lead screw 5-3 is rotatably connected to the rack 5-7 and is fixedly connected with the feed motor 5-1 through the coupler 5-2. The sample feeding pipeline drives the sampling mechanism 6 to make linear feeding motion under the constraint of the guide rail 5-5 and the slide block 5-6.
The number of the sliders 5-6 is at least two.
The sample conveying pipeline comprises a sample conveying hose 2 and a sample conveying rigid pipe 3, wherein the sample conveying rigid pipe 3 is communicated with a sample container 9 through the sample conveying hose 2, one end, far away from the sample conveying hose 2, of the sample conveying rigid pipe 3 is communicated with a cover body 6-10, and a screw rod 5-3 and a guide rail 5-5 are respectively arranged on two sides of the sample conveying rigid pipe 3. The sample feeding hose 2 is connected with the sample container 9, and the sample feeding hose 2 ensures that the sample feeding rigid pipe 3 has freedom of movement; the sample feeding rigid pipe 3 is connected with the elbow 6-3 and is arranged on the ruler feeding mechanism 5 to ensure the feeding rigidity. The sample feeding rigid pipe 3 makes a straight line motion in the vertical direction.
One end part of the elbow pipe 6-3 communicated with the cover body 6-10 is a sample inlet end, and the two disc cutters 6-9 are symmetrically arranged relative to the central line of the sample inlet end and rotate inwards in a relative rotation direction. The two disc cutters 6-9 symmetrically rotate inwards at high speed to sweep up the broken stones.
The number of the nozzles 6-6 is two and the central axes of the two disc knives 6-9 are arranged symmetrically with respect to the vertical plane in which the two nozzles 6-6 are located. The star soil sample cut by the disc cutter 6-9 can be blown into the elbow pipe 6-3 and the sample container 9 quickly.
The nozzle 6-6 is arranged below the horizontal plane where the centre line of the disc cutter 6-9 is located.
The gas in the gas cylinder 4 is inert gas. So that the sample is not contaminated during the collection process.
The gas cylinder is characterized by further comprising a flow divider 6-5, wherein the flow divider 6-5 is fixedly connected to the cover body 6-10, the flow divider 6-5 is communicated with the gas cylinder 4 through a gas pressure pipe 6-4, and the flow divider 6-5 is communicated with the plurality of nozzles 6-6 through the gas pressure pipe 6-4 respectively. The gas is divided by a flow dividing valve 6-5, and the gas in the gas cylinder 4 is sent to each nozzle 6-6 through a gas pressure pipe 6-4.
The working principle is as follows:
after the detector main body 1 lands on the surface of the asteroid through the mechanical arm 7, the detector main body 1 starts sampling, the outer rotor energy storage motor 6-7 drives the disc cutter 6-9 to rotate at a high speed to a certain speed, and the motor works temporarily. The disc cutter 6-9 has a large energy at this time. The feed motor 5-1 drives the screw rod 5-3 to rotate, the sample conveying rigid tube 3 drives the sampling mechanism 6 to make linear feed motion under the constraint of the guide rail 5-5 and the slide block 5-6, and at the moment, the disc cutter 6-9 has high energy to cut and sweep the surface substances of the asteroid when rotating at high speed. The gas bottle 4 provides gas for sample feeding, the gas is fed to the nozzle 6-6 through the gas pressure pipe 6-4, the gas is swept up to the sample and enters the sample container 9 along the cover body 6-10, the bent pipe 6-3, the sample feeding rigid pipe 3 and the sample feeding hose 2, and sample feeding is completed. Meanwhile, the indexing motor 6-12 drives the elbow 6-3, the cover body 6-10 and the disc cutter 6-9 to rotate around the axis of the sample feeding rigid pipe 3 through a gear pair, so that multi-point sampling and point selection sampling are realized.
Claims (9)
1. The utility model provides an index dish sword cutting sampling and air-blast appearance formula asteroid surface star soil sampling ware that send, it includes arm (7) of detector main part (1) and support detector main part (1), its characterized in that: the device also comprises a sample sending pipeline, a gas cylinder (4), a footage mechanism (5), a sampling mechanism (6), a return cabin (8) and a sample container (9), wherein the gas cylinder (4), the footage mechanism (5) and the return cabin (8) are respectively fixed on the detector main body (1), the sample container (9) is arranged in the return cabin (8), the sampling mechanism (6) is communicated with the sample container (9) through the sample sending pipeline, the footage mechanism (5) drives the sampling mechanism (6) to realize linear feeding motion through the sample sending pipeline, the sampling mechanism (6) comprises a transposition motor (6-12), a driving gear (6-11), a driven gear (6-1), a bent pipe (6-3), a cover body (6-10), two disc cutters (6-9), two outer rotor energy storage motors (6-7), two motor seats (6-8), a plurality of gas pressure pipes (6-4) and a plurality of nozzles (6-6), the driving gear (6-11) is meshed with the driven gear (6-1), the top of the cover body (6-10) is communicated with the sample delivery pipeline through a bent pipe (6-3), the elbow (6-3) is rotationally connected with the sample sending pipeline, the indexing motor (6-12) is vertically and fixedly connected with the lower part of the sample sending pipeline, the driven gear (6-1) is sleeved on the lower part of the sample sending pipeline in an empty way, the fixed sleeve is arranged at the upper part of the elbow (6-3), the two outer rotor energy storage motors (6-7) are correspondingly and horizontally arranged in the cover body (6-10) through two motor bases (6-8), the two disc cutters (6-9) are correspondingly and coaxially fixedly connected to the two outer rotor energy storage motors (6-7), the plurality of nozzles (6-6) are inserted into the lower side wall of the cover body (6-10) and are communicated with the inner cavity of the cover body (6-10), and each nozzle (6-6) is communicated with the gas cylinder (4) through a gas pressure pipe (6-4).
2. The indexing disc cutter cutting sampling and air-blowing sample asteroid surface star soil sampler of claim 1, wherein: the feed mechanism (5) comprises a feed motor (5-1), a coupler (5-2), a rack (5-7), a guide rail (5-5), a lead screw (5-3), a nut (5-4) in threaded fit connection with the lead screw (5-3) and a plurality of sliders (5-6) matched with the guide rail (5-5), the rack (5-7) is fixed on the detector main body (1), the feed motor (5-1) and the guide rail (5-5) are vertically and fixedly connected to the detector main body (1) and are respectively located on two sides of the sample conveying pipeline, the nut (5-4) and the sliders (5-6) are respectively and fixedly connected to two side walls of the sample conveying pipeline, and the lead screw (5-3) is rotatably connected to the rack (5-7) and fixedly connected with the feed motor (5-1) through the coupler (5-2).
3. The indexing disc cutter cutting sampling and air-blowing sample asteroid surface star soil sampler of claim 2, wherein: the number of the sliding blocks (5-6) is at least two.
4. The indexing disc cutter cutting sampling and air-blowing sample asteroid surface star soil sampler according to claim 2 or 3, wherein: the sample conveying pipeline comprises a sample conveying hose (2) and a sample conveying rigid pipe (3), wherein the sample conveying rigid pipe (3) is communicated with a sample container (9) through the sample conveying hose (2), one end, far away from the sample conveying hose (2), of the sample conveying rigid pipe (3) is communicated with a cover body (6-10), and a screw rod (5-3) and a guide rail (5-5) are respectively arranged on two sides of the sample conveying rigid pipe (3).
5. The indexing disc cutter cutting sampling and air-blowing sample asteroid surface star soil sampler of claim 4, wherein: one end part of the elbow pipe (6-3) communicated with the cover body (6-10) is a sample inlet end, and the two disc cutters (6-9) are symmetrically arranged relative to the central line of the sample inlet end and rotate inwards in a relative rotation direction.
6. The indexing disc cutter cut sampling and air-blown sample asteroid surface star soil sampler of claim 1, 2, 3 or 5, wherein: the number of the nozzles (6-6) is two, and the central axes of the two disc cutters (6-9) are symmetrically arranged about a vertical plane where the two nozzles (6-6) are located.
7. The indexing disc cutter cutting sampling and air-blowing sample asteroid surface star soil sampler of claim 6, wherein: the nozzles (6-6) are arranged lower than the horizontal plane where the central line of the disc cutter (6-9) is located.
8. The indexing disc cutter cut sample and air-blown sample asteroid surface star soil sampler of claim 1, 2, 3, 5 or 7, wherein: the gas in the gas bottle (4) is inert gas.
9. The indexing disc cutter cut sample and air-blown sample asteroid surface star soil sampler of claim 8, wherein: the gas cylinder is characterized by further comprising a flow divider (6-5), wherein the flow divider (6-5) is fixedly connected to the cover body (6-10), the flow divider (6-5) is communicated with the gas cylinder (4) through a gas pressure pipe (6-4), and the flow divider (6-5) is communicated with the nozzles (6-6) through the gas pressure pipe (6-4).
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| CN201811277168.1A CN111122220A (en) | 2018-10-30 | 2018-10-30 | Transposition disc cutter cutting sampling and air blowing sample sending type asteroid surface star soil sampler |
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| CN201811277168.1A CN111122220A (en) | 2018-10-30 | 2018-10-30 | Transposition disc cutter cutting sampling and air blowing sample sending type asteroid surface star soil sampler |
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Cited By (2)
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| CN111947962A (en) * | 2020-07-01 | 2020-11-17 | 北京卫星制造厂有限公司 | Adhesive tape adsorption sampler suitable for extraterrestrial celestial body |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111947962A (en) * | 2020-07-01 | 2020-11-17 | 北京卫星制造厂有限公司 | Adhesive tape adsorption sampler suitable for extraterrestrial celestial body |
| CN111947964A (en) * | 2020-07-08 | 2020-11-17 | 北京卫星制造厂有限公司 | Planet wheel transposition centrifugal directional sampler suitable for extraterrestrial celestial body |
| CN111947964B (en) * | 2020-07-08 | 2024-02-09 | 北京卫星制造厂有限公司 | Planet wheel transposition centrifugal orientation sampler suitable for extraterrestrial celestial body |
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