CN111122219A - Disc cutter cutting sampling and sample bag pull rope feeding type asteroid surface star soil sampler - Google Patents
Disc cutter cutting sampling and sample bag pull rope feeding type asteroid surface star soil sampler Download PDFInfo
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- CN111122219A CN111122219A CN201811277167.7A CN201811277167A CN111122219A CN 111122219 A CN111122219 A CN 111122219A CN 201811277167 A CN201811277167 A CN 201811277167A CN 111122219 A CN111122219 A CN 111122219A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/16—Extraterrestrial cars
Abstract
A disc cutter cutting sampling and sample bag pull rope feeding type asteroid surface star soil sampler belongs to the technical field of asteroid detection sampling. The invention solves the problems that the existing planet surface star soil sampler lacks a guide effect, so that the motion trail of a sampled product is difficult to control, and the sample collection efficiency is low. Sampling mechanism and sample container are through sending a kind pipeline intercommunication, the mechanism of footage drives sampling mechanism through sending a kind pipeline and realizes the straight line feed motion, the stay cord is worn to establish in sending a kind pipeline and sample container, send the lower tip of kind pipeline to wear to establish in the cover body and with the top rigid coupling of the cover body, the open end of sample bag sets up downwards and the cover is established and is being sent the lower extreme of kind pipeline, the bag bottom setting of sample bag send kind pipeline in and with send a kind mechanism to pass through the stay cord and be connected, the open end of sample bag is provided with tightens up the rope, and tighten up the other end rigid coupling of rope on the cover body, it has the breach of rupture to tighten up processing.
Description
Technical Field
The invention relates to a disc cutter cutting sampling and sample bag pull rope sending type asteroid surface star soil sampler, and belongs to the technical field of asteroid detection sampling.
Background
The asteroid has less geological motion, and more early solar system information is reserved, so that the asteroid is detected and the surface star soil of the asteroid is collected, which has important significance for researching and exploring the evolution and life origin of the solar system and is also beneficial to developing space resources in the future. The asteroid is divided into carbonaceous, siliceous and metallic asteroids according to the difference of the material components, and the hardness difference is large. The conditions of star soils on the surfaces of the asteroids are complex, and the rock particles have different particle sizes and different forms, so that the sampler needs to have adaptability to different star soils. In addition, the surfaces of the minor planets have almost no gravitation, and the motion trail of the splashed sample is not easy to determine and difficult to collect in the sampling process, so that the sampler guides the sample in the sampling process. At present, few detectors are transmitted for asteroid sampling at home and abroad, and only the detector No. 1 falcon in Japan returns to the earth for a while. During sampling, the sampling device inside the detector fails, and only the detector attachment device sticks micro particles in the process of contacting with the surface of the asteroid and is brought back to the earth.
Disclosure of Invention
The invention aims to solve the problems that the motion trail of a sample is not easy to control and the sample collection efficiency is low due to the lack of a guide effect of the existing planet surface star soil sampler, and further provides a disc cutter cutting sampling and sample bag pull rope sending type small planet surface star soil sampler.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a disc cutter cutting sampling and sample bag pull rope feeding type asteroid surface star soil sampler comprises a detector main body, a mechanical arm for supporting the detector main body, a sample feeding pipeline, a footage mechanism, a sampling mechanism, a return cabin, a sample feeding mechanism and a sample container, wherein the footage mechanism and the return cabin are respectively fixed on the detector main body, the sample container and the sample feeding mechanism are both arranged in the return cabin, the sampling mechanism is communicated with the sample container through the sample feeding pipeline, the footage mechanism drives the sampling mechanism to realize linear feeding motion through the sample feeding pipeline, the sample feeding mechanism comprises a pull rope, the sampling mechanism comprises a sample bag, a cover body, two outer rotor energy storage motors, two motor bases and two disc cutters, the two outer rotor energy storage motors are correspondingly fixed in the cover body through the two motor bases, and the two disc cutters are correspondingly and coaxially and fixedly connected on the two outer rotor energy storage motors, the stay cord is worn to establish in sending appearance pipeline and sample container, send the lower tip of appearance pipeline to wear to establish in the cover body and with the top rigid coupling of the cover body, the open end of sample bag sets up downwards and the cover is established at the lower extreme that sends appearance pipeline, the bag bottom setting of sample bag is sending appearance pipeline in and being connected through the stay cord with sending appearance mechanism, the open end of sample bag is provided with the rope that tightens up, and tightens up the other end rigid coupling of rope on the cover body, it has the breach of rupture to tighten up processing on the rope.
Further, send appearance mechanism still includes screw, lead screw, axle, reel, first shaft coupling and send appearance motor, send appearance motor to reach the equal rigid coupling of screw is returning the under-deck, and the lead screw cooperates and the lead screw has seted up the through-hole along its central axis direction with the screw, the lead screw reaches reel head and the tail rigid coupling and equal coaxial wearing to establish epaxially, the axle is through first shaft coupling rigid coupling with sending appearance motor, and a tip of keeping away from the sample bag on the stay cord is the spiral and is around establishing on the reel.
Furthermore, the shaft is a spline shaft, and a spline hole matched and connected with the spline shaft is formed in the lead screw.
Furthermore, the footage mechanism comprises a pulley yoke, a footage motor, a second coupler, a nut, a lead screw and a plurality of symmetrically arranged pulleys, wherein the footage motor is fixedly arranged on the detector main body, the lead screw is rotatably connected on the detector main body, the nut is matched and connected with the lead screw and fixedly connected to the side wall of the sample sending pipeline, the pulleys are rotatably arranged on the detector main body through the pulley yoke, and the pulleys are symmetrically arranged on two sides of the sample sending pipeline.
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 plurality of pulleys are symmetrically arranged on two sides of the sample sending rigid pipe.
Further, the two disc cutters are symmetrically arranged about the central axis of the sample feeding pipeline, and the rotation directions are inwards relative rotation.
Compared with the prior art, the invention has the following effects:
cutting and sampling by using a disc cutter, and being suitable for asteroid star soil with different shapes, particle sizes and hardness, and having strong adaptability;
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;
and thirdly, a scheme of collecting samples by adopting a sample bag and carrying the samples by pulling a pull rope is adopted, so that the sample movement is guided, and the sample collection rate is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a sampling mechanism;
FIG. 3 is a schematic view of tightening and rope breaking at the opening of the sample bag;
FIG. 4 is a schematic structural view of a sample feeding mechanism;
fig. 5 is a schematic structural view of the footage mechanism.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and a disc cutter cutting sampling and sample bag pull rope sending type asteroid surface star soil sampler comprises a detector main body 1 and a mechanical arm 6 supporting the detector main body 1, and is characterized in that: the device also comprises a sample feeding pipeline, a footage mechanism 4, a sampling mechanism 5, a return capsule 7, a sample feeding mechanism 8 and a sample container 9, wherein the footage mechanism 4 and the return capsule 7 are respectively fixed on the detector main body 1, the sample container 9 and the sample feeding mechanism 8 are both arranged in the return capsule 7, the sampling mechanism 5 is communicated with the sample container 9 through the sample feeding pipeline, the footage mechanism 4 drives the sampling mechanism 5 to realize linear feeding motion through the sample feeding pipeline, the sample feeding mechanism 8 comprises a pull rope 8-5, the sampling mechanism 5 comprises a sample bag 5-1, a cover body 5-2, two energy storage external rotor motors 5-4, two motor bases 5-3 and two disc cutters 5-5, the two external rotor energy storage motors 5-4 are correspondingly fixed in the cover body 5-2 through the two motor bases 5-3, the two disc cutters 5-5 are correspondingly and coaxially fixedly connected on the two external rotor energy storage motors 5-4, the pull rope 8-5 is arranged in the sample conveying pipeline and the sample container 9 in a penetrating manner, the lower end part of the sample conveying pipeline is arranged in the cover body 5-2 in a penetrating manner and fixedly connected with the top part of the cover body 5-2, the open end of the sample bag 5-1 is arranged downwards and sleeved at the lower end of the sample conveying pipeline, the bottom part of the sample bag 5-1 is arranged in the sample conveying pipeline and connected with the sample conveying mechanism 8 through the pull rope 8-5, the open end of the sample bag 5-1 is provided with the tightening rope 5-1-1, the other end of the tightening rope 5-1-1 is fixedly connected on the cover body 5-2, and the tightening rope 5-1-1 is provided with a breaking notch 5-1-2. The probe body 1 lands on the surface of the asteroid by the robotic arm 6. The feed mechanism 4 provides cutting feed force for the disc cutters 5-5, and the disc cutters 5-5 rotate at a high speed to cut the star soil and sweep up broken stones. An outer rotor energy storage motor 5-4 drives a disc cutter 5-5 to rotate at a high speed, and rocks on the surface of the asteroid are cut and swept. Under the guiding action of the cover body 5-2, the sample enters the sample bag 5-1. A tightening rope 5-1-1 and a breaking gap 5-1-2 are arranged at the opening of the sample bag 5-1 to ensure that the opening of the sample bag 5-1 is tightened and separated from the cover body 5-2 when a sample is sent.
The sample bag 5-1 is sleeved at the port of the sample conveying pipeline, and the pull rope 8-5 is tied at the bottom end; the open end of the sample bag 5-1 is tied to the upper part of the cover body 5-2 through a tightening rope 5-1-1 so as to ensure that the sample bag 5-1 can be sealed in the process of being pulled; the tightening rope 5-1-1 is provided with a breaking gap 5-1-2 to ensure that the sample bag 5-1 is separated from the cover body 5-2.
The cover body 5-2 is in streamline design and has the drainage guiding function.
The sample bag is a soft bag.
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 sample sending mechanism 8 further comprises a first screw nut 8-1, a first lead screw 8-2, a shaft 8-3, a winding drum 8-4, a first coupler 8-6 and a sample sending motor 8-7, the sample sending motor 8-7 and the first screw nut 8-1 are fixedly connected in the return cabin 7, the first lead screw 8-2 is matched with the first screw nut 8-1, a through hole is formed in the first lead screw 8-2 along the direction of the central axis of the first lead screw 8-2, the first lead screw 8-2 and the winding drum 8-4 are fixedly connected end to end and coaxially penetrate through the shaft 8-3, the shaft 8-3 and the sample sending motor 8-7 are fixedly connected through the first coupler 8-6, and one end part, far away from the sample bag 5-1, of the pull rope 8-5 is spirally wound on the winding drum 8-4. The sample feeding motor 8-7 drives the shaft 8-3 to rotate, and as the first screw 8-1 is fixed and the winding drum 8-4 is connected with the first lead screw 8-2, the first lead screw 8-2 drives the winding drum 8-4 to make spiral motion under the drive of the shaft 8-3, so as to realize the winding of the pull rope 8-5. During the winding of the pull cord 8-5, the collection of the sample is completed. The winding drum 8-4 should be provided with a thread groove to facilitate winding the pull rope 8-5
The shaft 8-3 is a spline shaft, and a spline hole in fit connection with the spline shaft is formed in the first lead screw 8-2.
The footage mechanism 4 comprises a pulley yoke 4-2, a footage motor 4-6, a second coupler 4-5, a second screw 4-4, a second lead screw 4-3 and a plurality of symmetrically arranged pulleys 4-1, wherein the footage motor 4-6 is fixedly arranged on the detector main body 1, the second lead screw 4-3 is rotatably connected on the detector main body 1, the second screw 4-4 and the second lead screw 4-3 are connected in a matched mode and fixedly connected to the side wall of the sample feeding pipeline, the plurality of pulleys 4-1 are rotatably arranged on the detector main body 1 through the pulley yoke 4-2, and the plurality of pulleys 4-1 are symmetrically arranged on two sides of the sample feeding pipeline. The pulley yoke 4-2 is fixed on the detector main body 1, and the number of the pulleys 4-1 is at least two. The feed motor 4-6 drives the second screw rod 4-3 to rotate, and the feed motor 4-6 drives the sample conveying pipeline to make linear feeding motion through the second screw rod 4-3 and the second screw nut 4-4 under the constraint of the pulley 4-1. The second nut 4-4 and the sample sending pipeline can be connected through screws. The pulleys 4-1 are arranged in pairs and fixed on the pulley frame 4-2, and a plurality of pairs can be arranged to better ensure that the sample feeding pipeline moves linearly; the feed mechanism 4 drives the sample conveying pipeline and the sampling mechanism 5 to do linear feed motion, and cutting pressure is provided for sampling of the sampling mechanism 5.
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 5-2, and a plurality of pulleys 4-1 are symmetrically 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 cover body 5-2 and is arranged on the ruler feeding mechanism 4 to ensure the feeding rigidity. The sample feeding rigid pipe 3 makes a straight line motion in the vertical direction.
The two disc cutters 5-5 are symmetrically arranged about the central axis of the sample feeding pipeline, and the rotating directions are inwards relative rotation. The two disc cutters 5-5 symmetrically rotate inwards at high speed to sweep up the broken stones.
The working principle is as follows:
after the detector main body 1 lands on the surface of the asteroid through the mechanical arm 6, a sampling task can be started. The outer rotor energy storage motor 5-4 drives the disc cutter 5-5 to rotate at a high speed, and after the disc cutter reaches a certain rotating speed, the outer rotor energy storage motor 5-4 stops working. The feed motor 4-6 drives the second screw rod 4-3 to rotate, and the sample feeding rigid pipe 3 and the sampling mechanism 5 do linear feeding motion under the constraint of the pulley 4-1. At the moment, the disc cutter 5-5 cuts rocks on the surface of the asteroid and sweeps broken stones, and the sample enters the sample bag 5-1 under the guiding action of the cover body 5-2. And after the sampling time is up, the sample feeding mechanism 8 starts to work. The sample feeding motor 8-7 drives the shaft 8-3 to rotate, and the first lead screw 8-2 does linear rotation motion under the drive of the shaft 8-3 due to the fixation of the first screw nut 8-1, and the winding drum 8-4 connected with the first lead screw also does linear rotation motion, so that the winding of the winding drum 8-4 on the pull rope 8-5 is realized, and a sample enters the sample container 9 along the sample feeding pipeline.
Claims (6)
1. The utility model provides a disc cutter cuts sampling and sample bag stay cord and send style asteroid surface star soil sampling ware, it includes arm (6) of detector main part (1) and support detector main part (1), its characterized in that: the device also comprises a sample conveying pipeline, a feed mechanism (4), a sampling mechanism (5), a return capsule (7), a sample conveying mechanism (8) and a sample container (9), wherein the feed mechanism (4) and the return capsule (7) are respectively fixed on the detector main body (1), the sample container (9) and the sample conveying mechanism (8) are both arranged in the return capsule (7), the sampling mechanism (5) is communicated with the sample container (9) through the sample conveying pipeline, the feed mechanism (4) drives the sampling mechanism (5) to realize linear feeding motion through the sample conveying pipeline, the sample conveying mechanism (8) comprises a pull rope (8-5), the sampling mechanism (5) comprises a sample bag (5-1), a cover body (5-2), two outer rotor energy storage motors (5-4), two motor bases (5-3) and two disc cutters (5-5), the two outer rotor energy storage motors (5-4) are correspondingly fixed in the cover body (5-2) through the two motor bases (5-3), two disc cutters (5-5) are correspondingly coaxially and fixedly connected to two outer rotor energy storage motors (5-4) in a coaxial mode, pull ropes (8-5) penetrate through a sample conveying pipeline and a sample container (9), the lower end portion of the sample conveying pipeline penetrates through a cover body (5-2) and is fixedly connected with the top of the cover body (5-2), the open end of a sample bag (5-1) is arranged downwards and is sleeved at the lower end of the sample conveying pipeline, the bottom of the sample bag (5-1) is arranged in the sample conveying pipeline and is connected with a sample conveying mechanism (8) through the pull ropes (8-5), a tightening rope (5-1-1) is arranged at the open end of the sample bag (5-1), the other end of the tightening rope (5-1-1) is fixedly connected to the cover body (5-2), and breaking notches (5-1-2) are machined in the tightening rope (5-1-1).
2. The dribbling cutting sampling and sample bag pull-cord style asteroid surface star soil sampler of claim 1, wherein: the sample feeding mechanism (8) further comprises a first screw nut (8-1), a first lead screw (8-2), a shaft (8-3), a winding drum (8-4), a first coupling (8-6) and a sample feeding motor (8-7), the sample feeding motor (8-7) and the first screw nut (8-1) are fixedly connected in the returning capsule (7), the first lead screw (8-2) is matched with the first screw nut (8-1), and the first lead screw (8-2) is provided with a through hole along the central axis direction thereof, the first lead screw (8-2) and the winding drum (8-4) are fixedly connected end to end and coaxially arranged on the shaft (8-3) in a penetrating way, the shaft (8-3) is fixedly connected with a sample feeding motor (8-7) through a first coupler (8-6), and one end part of the pull rope (8-5) far away from the sample bag (5-1) is spirally wound on the winding drum (8-4).
3. The dribbling cutting sampling and sample bag pull-cord style asteroid surface star soil sampler of claim 2, wherein: the shaft (8-3) is a spline shaft, and a spline hole in fit connection with the spline shaft is formed in the first lead screw (8-2).
4. The dribbling cutting sampling and sample bag drawstring feeding type asteroid surface star soil sampler according to claim 2 or 3, characterized in that: the footage mechanism (4) comprises a pulley frame (4-2), a footage motor (4-6), a second coupler (4-5), a second screw nut (4-4), a second lead screw (4-3) and a plurality of symmetrically arranged pulleys (4-1), wherein the footage motor (4-6) is fixedly arranged on the detector main body (1), the second lead screw (4-3) is rotatably connected on the detector main body (1), the second screw nut (4-4) is matched and connected with the second lead screw (4-3) and fixedly connected to the side wall of the sample conveying pipeline, the pulleys (4-1) are rotatably arranged on the detector main body (1) through the pulley frame (4-2), and the pulleys (4-1) are symmetrically arranged on two sides of the sample conveying pipeline.
5. The dribbling cutting sampling and sample bag pull-cord style asteroid surface star soil sampler of claim 4, 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 (5-2), and a plurality of pulleys (4-1) are symmetrically arranged on two sides of the sample conveying rigid pipe (3).
6. The dribbling cutting sampling and sample bag pull-cord style asteroid surface soil sampler of claim 1, 2, 3 or 5, wherein: the two disc cutters (5-5) are symmetrically arranged about the central axis of the sample sending pipeline, and the rotation directions are inwards relative rotation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811277167.7A CN111122219A (en) | 2018-10-30 | 2018-10-30 | Disc cutter cutting sampling and sample bag pull rope feeding type asteroid surface star soil sampler |
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| CN201811277167.7A CN111122219A (en) | 2018-10-30 | 2018-10-30 | Disc cutter cutting sampling and sample bag pull rope feeding type asteroid surface star soil sampler |
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Cited By (3)
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| 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 |
| CN112985887A (en) * | 2021-02-24 | 2021-06-18 | 北京空间飞行器总体设计部 | Extraterrestrial celestial body sampling and detecting tool |
| WO2023087834A1 (en) * | 2021-11-18 | 2023-05-25 | 北京卫星制造厂有限公司 | Sampling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN112985887A (en) * | 2021-02-24 | 2021-06-18 | 北京空间飞行器总体设计部 | Extraterrestrial celestial body sampling and detecting tool |
| CN112985887B (en) * | 2021-02-24 | 2022-03-25 | 北京空间飞行器总体设计部 | Extraterrestrial celestial body sampling and detecting tool |
| WO2023087834A1 (en) * | 2021-11-18 | 2023-05-25 | 北京卫星制造厂有限公司 | Sampling device |
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