CN113834686A - Little celestial body sampling device of detachable multiple spot collection - Google Patents
Little celestial body sampling device of detachable multiple spot collection Download PDFInfo
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- CN113834686A CN113834686A CN202111416358.9A CN202111416358A CN113834686A CN 113834686 A CN113834686 A CN 113834686A CN 202111416358 A CN202111416358 A CN 202111416358A CN 113834686 A CN113834686 A CN 113834686A
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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
Abstract
The invention relates to the technical field of space detection, in particular to a separable multipoint acquisition small celestial body sampling device. The device comprises a holding and clamping separation mechanism, a sample storage tank and a sampling mechanism, wherein the holding and clamping separation mechanism is used for mounting the sample storage tank and the sampling mechanism and separating the sample storage tank and the sampling mechanism; the sample storage tank is used for storing samples on the surface of the planet; the sampling mechanism is used for collecting a sample on the surface of the planet into the sample storage tank to realize sample collection; the sample storage tank is used for storing samples on the surface of the planet. The invention can solve the problems of multi-point sampling, cross contamination, sample sealing and returning and the like of small celestial bodies, and achieves the aims of high-efficiency acquisition, independent storage and successful returning.
Description
Technical Field
The invention relates to the technical field of space detection, in particular to a separable multipoint acquisition small celestial body sampling device.
Background
The small celestial body may contain organic matter, water, rare metal and other matter, and is used as activating stone to reveal solar system, life origin and evolution secret. In addition, the small celestial body is far away from the earth, and how to smoothly carry more samples back is also a big difficulty of engineering task under the condition of effective energy and resources. Therefore, how to collect samples at multiple points and store the samples independently and how to store the samples perfectly and return the samples smoothly is the key to success of sampling.
In the past research, a bullet sputtering type sampling device is adopted in Japan falcon numbers, an air blowing type sampling device is adopted in America, the two mechanisms are large in size, multiple in parts, complex in transmission, difficult in-situ collection, large in returned resource and energy consumption, and large in limitation of sampling tasks. Therefore, a small celestial body sampling mechanism must be designed to solve the sampling problem, meet the task requirements of multipoint in-situ sampling, efficient acquisition, independent storage, sealed sample return and the like, and ensure the reliability and success rate of deep space exploration.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a separable multipoint collection small celestial body sampling device, which can solve the problems of multipoint sampling, cross contamination, sample sealing and returning and the like of small celestial bodies and achieve the aims of efficient collection, independent storage and successful returning.
In order to achieve the purpose, the invention adopts the following technical scheme:
a separable multi-point acquisition celestial body sampling device, comprising:
the holding and clamping separation mechanism is used for mounting the sample storage tank and the sampling mechanism as well as separating the sample storage tank and the sampling mechanism;
the sampling mechanism is arranged below the sample storage tank and is used for collecting a sample on the surface of the planet into the sample storage tank to realize sample collection;
and the sample storage tank is used for storing samples on the surfaces of the planets.
Embrace and press from both sides separating mechanism and include base, separation socket and scissors fork mechanism, wherein the separation socket sets up in the top of base, the bottom of base through explosion bolt with scissors fork mechanism with sampling mechanism connects, scissors fork mechanism is used for pressing from both sides tightly the sample holding vessel.
Scissors fork mechanism includes activity clamping jaw, pivot and fixed clamping jaw, wherein fixed clamping jaw with base fixed connection, activity clamping jaw and fixed clamping jaw rotate through the pivot and connect, and the upper end of activity clamping jaw passes through explosion bolt I with pedestal connection.
The scissors fork mechanism further comprises a torsion spring, two ends of the torsion spring are respectively connected with the movable clamping jaw and the fixed clamping jaw, and the torsion spring provides driving force for opening the movable clamping jaw.
The two groups of scissors fork mechanisms respectively clamp two ends of the sample storage tank.
The sample storage tank comprises a rotary driving mechanism, a central cylinder, a cavity door opening and closing mechanism and a supporting rotating shaft; one end of the central cylinder is connected with the output end of the rotary driving mechanism, and the other end of the central cylinder is rotatably connected with the supporting rotating shaft; a plurality of sample cavities are formed in the outer side of the central barrel along the circumferential direction, cavity doors are arranged on the outer sides of the sample cavities, and two ends of each cavity door are connected with the central barrel in a sliding mode through sliding blocks;
the cavity door opening and closing mechanism is arranged at the end part of the central cylinder and used for driving each cavity door to be opened or closed.
The sample cavity is internally provided with a central guide which is used for gathering the sample entering the sample cavity at two sides of the inlet of the sample cavity; and inlet guides are arranged on two sides of the inlet of the sample cavity and are used for guiding the sample at the inlet into the sample cavity and stopping the collected sample from flowing out.
The cavity door opening and closing mechanism comprises a plurality of arc motors, and the output ends of the arc motors are respectively connected with the sliding blocks and used for driving the cavity doors to be opened or closed independently.
The sampling mechanism comprises a sampling assembly, a separation spring, a separation plug, a sampling cover and a sampling tool, wherein the upper end of the sampling assembly is connected with the base through an explosion bolt II, and the separation plug is arranged at the upper end of the sampling assembly and is used for being plugged with the separation socket;
the sampling cover and the sampling tool are arranged at the lower end of the sampling assembly, and the sampling cover is covered on the outer side of the sampling tool; the sampling tool is used for lifting the sample on the surface of the planet, and collecting the sample into the sample storage tank through the sampling cover.
The sampling subassembly upper end is equipped with the separation spring, the separation spring with the base butt.
The invention has the advantages and beneficial effects that: according to the invention, a two-stage separation mode is adopted, after sampling is completed, other mechanisms except a sample storage tank are completely separated and thrown away, and finally only the sample storage tank for storing the sample is carried back, so that the volume of a return part is greatly reduced, and the return weight is greatly reduced, on one hand, the design difficulty of a return cabin is reduced, on the other hand, energy and resources for task return are greatly saved, and the success rate of a sampling engineering task and the energy efficiency ratio of planetary detection are effectively improved;
the invention designs a multi-cavity independent storage sample tank, and the opening and closing of the sample cavity door are independently controlled, so that the requirements of in-situ collection and pollution-free independent storage of multi-point samples on the surface of a star are fully met; the high purity of the collected sample is effectively ensured, and the scientific research value of the planet is improved;
the design form of the sample cavity adopts circumferential distribution, so that the occupied space is saved, and the transposition and replacement are convenient; the inner part and the outer part of the sample cavity are respectively provided with an inner guide structure and an outer guide structure, so that the sample is easy to enter and difficult to exit, and the sample is ensured to be retained and stored much;
the whole device is innovatively designed in a functional modularization mode, the labor division is clear, the layout is compact, the sample collection and transmission distance is short, and the efficient and rapid collection of samples is facilitated; the mechanisms are connected by only using explosive bolts, so that the assembly reliability is high, the separation is convenient and quick, the feasibility of sampling operation is effectively ensured, and the success rate of engineering tasks is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a detachable multi-point acquisition celestial body sampling device according to the present invention;
FIG. 2 is a schematic structural view of a clasping and separating mechanism of the present invention;
FIG. 3 is a schematic view of a sample storage tank according to the present invention;
fig. 4 is a schematic structural diagram of the sampling mechanism of the present invention.
In the figure: the device comprises a holding clamp separating mechanism 1, a base 101, a movable clamping jaw 102, a rotating shaft 103, a torsion spring 104, an explosion bolt I105, a separating socket 106, a fixed clamping jaw 107, a sample storage tank 2, a rotary driving mechanism 201, a center barrel 202, a cavity door 203, a cavity door opening and closing mechanism 204, a supporting rotating shaft 205, a center guide 206, an inlet guide 207, a sampling mechanism 3, a sampling assembly 301, an explosion bolt II 302, a separating spring 303, a separating plug 304 and a sampling cover 305.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the separable multipoint collection celestial body sampling device provided by the invention comprises a holding and clamping separating mechanism 1, a sample storage tank 2 and a sampling mechanism 3, wherein the holding and clamping separating mechanism 1 is used for mounting the sample storage tank 2 and the sampling mechanism 3, and separating the sample storage tank 2 and the sampling mechanism 3; the sampling mechanism 3 is arranged below the sample storage tank 2, and the sampling mechanism 3 is used for collecting a sample on the surface of the planet into the sample storage tank 2 to realize sample collection; the sample storage tank 2 is used for storing samples of the planetary surface.
As shown in fig. 2, in the embodiment of the present invention, the clasping and separating mechanism 1 includes a base 101, a separating socket 106 and a scissor mechanism, wherein the separating socket 106 is disposed on the top of the base 101, the bottom of the base 101 is connected to the scissor mechanism and the sampling mechanism 3 through explosive bolts, and the scissor mechanism is used for clamping the sample storage tank 2.
In the embodiment of the invention, the scissor fork mechanism comprises a movable clamping jaw 102, a rotating shaft 103 and a fixed clamping jaw 107, wherein the fixed clamping jaw 107 is fixedly connected with the base 101, the movable clamping jaw 102 and the fixed clamping jaw 107 are rotatably connected through the rotating shaft 103, and the upper end of the movable clamping jaw 102 is connected with the base 101 through an explosive bolt I105. The movable clamping jaw 102 and the fixed clamping jaw 107 are matched to form an arc-shaped holding clamp structure, and clamping and separation of the scissor fork mechanism are realized through an explosive bolt I105.
Further, the scissors fork mechanism further comprises a torsion spring 104, two ends of the torsion spring 104 are respectively connected with the movable clamping jaw 102 and the fixed clamping jaw 107, and the torsion spring 104 provides driving force for opening the movable clamping jaw 102.
In the embodiment of the invention, the two groups of scissors and fork mechanisms are respectively used for clamping two ends of the sample storage tank 2. After the explosion bolt I105 is detonated and unlocked, the torsion spring 104 provides torque for opening the movable clamping jaw 102, so that the movable clamping jaw 102 rotates around the rotating shaft 103. Meanwhile, the structure clamped by the arc-shaped holding clamp is pushed out. The disconnect socket 106 is used to power and transmit signals to the drive mechanism and to disconnect power and signals after the mechanism is disconnected.
As shown in fig. 3, in the embodiment of the present invention, the sample storage tank 2 includes a rotation driving mechanism 201, a central cylinder 202, a chamber door 203, a chamber door opening and closing mechanism 204, and a supporting rotation shaft 205, wherein one end of the central cylinder 202 is connected to an output end of the rotation driving mechanism 201, and the other end is rotatably connected to the supporting rotation shaft 205; a plurality of sample cavities are arranged on the outer side of the central barrel 202 along the circumferential direction, a cavity door 203 is arranged on the outer side of each sample cavity, and two ends of each cavity door 203 are connected with the central barrel 202 in a sliding mode through sliding blocks; the chamber door opening and closing mechanism 204 is disposed at an end of the central tube 202, and is used for driving each chamber door 203 to open or close.
Further, a central guide 206 is arranged in the sample cavity, and the central guide 206 is used for gathering the sample entering the sample cavity at two sides of the inlet of the sample cavity; the inlet guide 207 is arranged on two sides of the inlet of the sample cavity, and the inlet guide 207 is used for guiding the sample at the inlet into the sample cavity and blocking the collected sample from flowing out.
In an embodiment of the present invention, the cavity door opening and closing mechanism 204 includes a plurality of arc motors, and output ends of the arc motors are respectively connected to the sliding blocks for driving the cavity doors 203 to open or close independently. In this embodiment, the arc motor adopts the arc direct drive motor R series of brand AISTEC.
Specifically, the rotary driving mechanism 201 is installed inside the central cylinder 202, and is connected with the central cylinder 202 through an output shaft of a driving motor, the central cylinder 202 can be driven to rotate in the clamp separation mechanism 1 by controlling the rotation of the motor, the transposition replacement of the sampling cavity is realized, and a shell of the driving motor provides a clamping surface for the clamp; the central cylinder 202 is designed to be a cylindrical inner cavity structure, and the interior of the central cylinder can be divided into a plurality of sample cavities for independent storage through partition design, so that samples can be independently stored; the cavity doors 203 are distributed on the outer side of the circumference of the central cylinder 202 and are correspondingly matched with the sample cavity, two end faces of the central cylinder 202 are respectively provided with a circular chute, and each cavity door 203 can slide along the circumference of the chute to realize independent sealing of the sample cavity; the cavity door opening and closing mechanism 204 adopts an arc motor to drive a sliding block on the cavity door 203, so that the independent opening and closing of the sample cavity door are realized; the supporting rotating shaft 205 is used for supporting the central cylinder 202 and providing a clamping surface for the holding clamp; a central guide 206 is mounted on the inner cylinder of each sample chamber, and is mainly used for gathering the sample entering the sample chamber at two sides of the inlet of the sample chamber; the inlet guide 207 is installed on both sides of the inlet of the sample cavity, and is used for guiding the sample at the inlet into the sample cavity on one hand, and stopping the collected sample from flowing out on the other hand, so as to ensure that the sample is easy to enter and difficult to exit.
As shown in fig. 4, in the embodiment of the present invention, the sampling mechanism 3 includes a sampling assembly 301, a separation spring 303, a separation plug 304, a sampling cover 305 and a sampling tool, wherein the upper end of the sampling assembly 301 is connected to the base 101 through an explosive bolt ii 302, and the separation plug 304 is disposed at the upper end of the sampling assembly 301 and is used for plugging into the separation socket 106; sampling cover 305 and sampling tool set up in sampling subassembly 301 lower extreme, and sampling cover 305 covers the outside of locating the sampling tool, and the sampling tool is used for raising the sample on planet surface to in getting into sample holding vessel 2 with the sample collection through sampling cover 305, realize the purpose of sample collection.
Further, the upper end of the sampling assembly 301 is provided with a separation spring 303, and the separation spring 303 abuts against the base 101.
Specifically, the sampling cover 305 at the lower part is used for installing sampling tools and resisting impact force in the sampling process, and the sampling tools in various forms such as air blowing, sputtering, drilling, wheel brushing and the like can be installed and carried as required according to different geological and geomorphic characteristics of the small celestial body; the explosive bolt II 302 is used for fixedly connecting the sampling mechanism 3 with the holding and clamping separation mechanism 1, and separation of the sampling mechanism is realized through detonation unlocking; the four separating springs 303 are symmetrically arranged on two sides of the sampling assembly support 301, and are symmetrically distributed, so that the sampling assembly 301 is rapidly ejected out of the clamping separating mechanism 1 after the fire is detonated and unlocked, and the safety of the sample storage tank 2 is ensured. The split plug 304 is mated with the split socket 106 to communicate power and signals.
In the embodiment of the invention, the sample storage tank 2 mainly provides a plurality of independent sample cavities which are distributed on the same cylinder and can be controlled to rotate around the central axis of the cylinder, so that the purpose of collecting samples at multiple sampling points of the sample is realized; the independent storage and non-pollution requirements of the samples can be met by independently controlling the opening and sealing of the sample cavity door.
In the embodiment of the present invention, the sampling mechanism 3 is mainly used for raising the sample on the surface of the planet, and collecting the sample into the sample storage tank 2 through the sampling cover 305, so as to achieve the purpose of collecting the sample. The sampling cover 305 can resist the impact of the acquisition process, and according to asteroid geology and earth surface characteristics, the sampling cover 305 can carry and install sampling tools in various forms such as air blowing, sputtering, drilling, wheel brushing and the like, so that the sampling success rate is ensured.
In the embodiment of the invention, the holding clamp separating mechanism 1 mainly provides an installation and separation interface for the sampling mechanism 3 and the sample storage tank 2. The holding and clamping separation mechanism 1 respectively fixes the scissor fork mechanism and the sampling mechanism 3 on a mechanism mounting surface through explosive bolts; the sample storage tank 2 is clamped using a scissor fork mechanism. By separately detonating the explosive bolts, the sampling mechanism 3 and the sample storage tank 2 can be separated twice, and finally only the sample storage tank 2 is returned.
The separable multi-point collection small celestial body sampling device is applied to the field of small celestial body detection for the first time, and innovatively provides a mode of separating and returning a multi-cavity independent storage sample tank and a sample storage tank twice, so that the problems of sample in-situ collection, independent dye storage, safe return and the like are effectively solved, and the reliability and success rate of a sampling engineering task are effectively guaranteed.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a little celestial body sampling device of detachable multiple spot collection which characterized in that includes:
the holding and clamping separation mechanism (1) is used for installing the sample storage tank (2) and the sampling mechanism (3) and separating the sample storage tank (2) and the sampling mechanism (3);
the sampling mechanism (3) is arranged below the sample storage tank (2), and the sampling mechanism (3) is used for collecting samples on the surface of the planet into the sample storage tank (2) to realize sample collection;
a sample storage tank (2) for storing a sample of the planet surface;
embrace and press from both sides separating mechanism (1) including base (101), separation socket (106) and scissors fork mechanism, wherein separation socket (106) set up in the top of base (101), the bottom of base (101) through explosion bolt with scissors fork mechanism with sampling mechanism (3) are connected, scissors fork mechanism is used for pressing from both sides tightly sample holding vessel (2).
2. The separable multipoint collection celestial body sampling device of claim 1, wherein the scissors fork mechanism comprises a movable clamping jaw (102), a rotating shaft (103) and a fixed clamping jaw (107), wherein the fixed clamping jaw (107) is fixedly connected with the base (101), the movable clamping jaw (102) and the fixed clamping jaw (107) are rotatably connected through the rotating shaft (103), and the upper end of the movable clamping jaw (102) is connected with the base (101) through the explosive bolt I (105).
3. The separable multipoint collection celestial body sampling device of claim 2, wherein the scissors fork mechanism further comprises a torsion spring (104), two ends of the torsion spring (104) are respectively connected with the movable clamping jaw (102) and the fixed clamping jaw (107), and the torsion spring (104) provides a driving force for the opening of the movable clamping jaw (102).
4. The detachable multi-point collection celestial body sampling device of claim 3, wherein said scissors mechanism comprises two sets, and said scissors mechanisms respectively clamp two ends of said sample storage tank (2).
5. The detachable multipoint collection celestial body sampling device of claim 1, wherein said sample storage tank (2) comprises a rotation driving mechanism (201), a central cylinder (202), a cavity door (203), a cavity door opening and closing mechanism (204), and a support shaft (205);
one end of the central cylinder (202) is connected with the output end of the rotary driving mechanism (201), and the other end of the central cylinder is rotationally connected with the supporting rotating shaft (205);
a plurality of sample cavities are arranged on the outer side of the central barrel (202) along the circumferential direction, a cavity door (203) is arranged on the outer side of each sample cavity, and two ends of each cavity door (203) are connected with the central barrel (202) in a sliding mode through sliding blocks;
the cavity door opening and closing mechanism (204) is arranged at the end part of the central cylinder (202) and used for driving each cavity door (203) to be opened or closed.
6. The detachable multi-point collection celestial sampling device of claim 5, wherein a central guide (206) is disposed in the sample cavity, said central guide (206) being configured to collect the sample entering the sample cavity on both sides of the sample cavity entrance; and inlet guides (207) are arranged on two sides of the inlet of the sample cavity, and the inlet guides (207) are used for guiding the sample at the inlet into the sample cavity and stopping the collected sample from flowing out.
7. The separable multipoint acquisition celestial body sampling device of claim 5, wherein said cavity door opening and closing mechanism (204) comprises a plurality of arc motors, and an output end of each arc motor is connected to each sliding block for driving each cavity door (203) to open or close independently.
8. The separable multipoint collection celestial body sampling device of claim 1, wherein the sampling mechanism (3) comprises a sampling assembly (301), a separation spring (303), a separation plug (304), a sampling cover (305) and a sampling tool, wherein the upper end of the sampling assembly (301) is connected to the base (101) through an explosion bolt II (302), and the separation plug (304) is arranged at the upper end of the sampling assembly (301) and is used for being plugged into the separation socket (106);
the sampling cover (305) and the sampling tool are arranged at the lower end of the sampling assembly (301), and the sampling cover (305) is arranged outside the sampling tool in a covering manner; the sampling tool is used for lifting samples on the surface of the planet, and collecting the samples into a sample storage tank (2) through a sampling cover (305).
9. The detachable multipoint collection celestial body sampling device of claim 8, wherein said sampling assembly (301) has a separation spring (303) at its upper end, said separation spring (303) abutting said base (101).
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| CN202111416358.9A CN113834686B (en) | 2021-11-26 | 2021-11-26 | Little celestial body sampling device of detachable multiple spot collection |
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| CN202111416358.9A CN113834686B (en) | 2021-11-26 | 2021-11-26 | Little celestial body sampling device of detachable multiple spot collection |
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| CN113834686B CN113834686B (en) | 2022-02-18 |
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| DE2526633A1 (en) * | 1975-06-14 | 1976-12-30 | Kernforschung Gmbh Ges Fuer | Metal test piece polishing arrgt. - has vertical rotary arm giving planetary motion to test piece above polishing plate |
| CN101786504A (en) * | 2010-02-25 | 2010-07-28 | 哈尔滨工业大学 | Anchor positioning system for detecting planetoid lander |
| CN101886986A (en) * | 2010-07-15 | 2010-11-17 | 哈尔滨工业大学 | End sampler for planetary exploration |
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