CN111006897A - Elastic sheet type extraterrestrial body surface soil sampling mechanism and sampling method - Google Patents
Elastic sheet type extraterrestrial body surface soil sampling mechanism and sampling method Download PDFInfo
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- CN111006897A CN111006897A CN201911061129.2A CN201911061129A CN111006897A CN 111006897 A CN111006897 A CN 111006897A CN 201911061129 A CN201911061129 A CN 201911061129A CN 111006897 A CN111006897 A CN 111006897A
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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
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a spring piece type extraterrestrial body surface soil sampling mechanism and a sampling method, wherein the sampling mechanism comprises: the device comprises a fixed support, an outer shell, a spring piece lead screw, a rotating disc mechanism, a spring piece nut, a rotating disc separation blade, a sample pushing mechanism and 8 spring pieces; the fixed bracket is arranged in the outer shell; the fixed bracket is respectively connected with the outer shell and the elastic lead screw through bearings; the central hole of the rotating disc mechanism penetrates through the double-rib structure and then is horizontally arranged in the outer shell; the elastic piece nut and the rotating disc separation blade are arranged between the rotating disc mechanism and the double-rib structure; the bottoms of the 8 elastic sheets are respectively connected to the rotating disc mechanism through screws; the sample pushing mechanism is arranged in a cavity enclosed by 8 elastic sheets and is connected with the fixed support through a nut structure. The invention overcomes the problem that whether the current sampling mechanism successfully samples is limited by the compactness of the celestial soil.
Description
Technical Field
The invention belongs to the technical field of deep space exploration, and particularly relates to a spring piece type extraterrestrial body surface soil sampling mechanism and a sampling method.
Background
The human craving for resources outside the ground is increasingly strong with the progress of science and technology and the use of earth resources, and the acquisition of resources outside the ground becomes a hot direction for research in various countries. Most of various aircrafts with extraterrestrial celestial soil detection tasks are provided with sampling mechanisms, and lunar soil sampling on the surface layer of the celestial body is undoubtedly the most efficient sampling target.
Whether the existing surface lunar soil sampling mechanism successfully samples or not is limited by the condition of the compactness of the celestial soil of a landing site, for example, a lunar soil mining device developed by the general design division of Beijing spacecraft breaks the soil by the excavating force at the tip of an excavating bucket for sampling, and the main technical problems are as follows: 1. when the sampling area is hard soil, the end force of the excavating bucket is simultaneously limited by the bearing capacity of a mechanical arm for mounting the excavating device, and the excavating device cannot finish a sampling task comprehensively; 2. the lofting effect is limited for celestial soil at lower gravity than the moon.
Disclosure of Invention
The technical problem of the invention is solved: the defects of the prior art are overcome, the elastic sheet type extraterrestrial soil surface layer sampling mechanism and the sampling method are provided, and the problem that whether the sampling of the existing sampling mechanism is successfully limited by the soil compactness of the celestial body is solved.
In order to solve the technical problem, the invention discloses a spring plate type surface soil sampling mechanism for an extraterrestrial celestial body, which comprises: the device comprises a fixed support, an outer shell, a spring piece lead screw, a rotating disc mechanism, a spring piece nut, a rotating disc separation blade, a sample pushing mechanism and 8 spring pieces; wherein, the fixed bolster includes: the nut structure is positioned at the central axis position, and the double-rib structure is arranged on the outer side of the nut structure;
the fixed bracket is arranged in the outer shell;
the fixed support is respectively connected with the outer shell and the elastic lead screw through bearings, and both the outer shell and the elastic lead screw can relatively rotate relative to the axis of the fixed support;
the central hole of the rotating disc mechanism penetrates through the double-rib structure and is horizontally arranged in the outer shell and can do relative lifting motion along the inner wall of the outer shell;
the elastic piece nut and the rotating disc separation blade are arranged between the rotating disc mechanism and the double-rib structure; the rotating disc mechanism can rotate relatively around the axis of the elastic sheet nut;
the bottoms of the 8 elastic sheets are respectively connected to the rotating disc mechanism through screws, and the tops of the 8 elastic sheets extend out of the bottom of the outer shell;
the sample pushing mechanism is arranged in a cavity enclosed by 8 elastic sheets and is connected with the fixed support through a nut structure.
Correspondingly, the invention also discloses a sampling method of the elastic sheet type extraterrestrial body surface soil sampling mechanism, which comprises the following steps:
the elastic piece screw rod is driven to move by the motor, the elastic piece nut moves circumferentially and is fixed by the fixing support, the elastic piece nut drives the rotating disc mechanism to move along the axis of the mechanism, the elastic piece is fixedly connected with the rotating disc mechanism and reciprocates along with the rotating disc mechanism, and the opening and closing actions of the elastic piece are completed;
the shell is driven by the motor to reciprocate, the shell drives the elastic sheet to rotate in a pulling saw mode along the circumferential direction, and the tip of the elastic sheet has a cutting effect on the soil on the surface of the celestial body to finish sampling of a sample;
after sampling is finished, the elastic piece lead screw is driven to move through the motor, and the elastic piece is closed; when the shell is closed for a set stroke, the shell is driven to drive the elastic sheet to rotate along the circumferential direction in a pulling saw mode through the reciprocating motion of the motor, so that the acting force of a sampling sample on the elastic sheet is reduced.
The invention has the following advantages:
(1) the invention discloses a spring piece type extraterrestrial celestial body surface soil sampling scheme, which can obtain higher soil breaking depth, is limited by the bearing capacity of a stripping mechanical arm in the soil breaking process, completes soil breaking by utilizing the mechanism and celestial body soil internal force, and is provided with a sample pushing mechanism, wherein the limit positions at two ends of the sample pushing mechanism are provided with a vibration function, so that the problem of insufficient lofting and emptying rate under low gravity of the conventional sampler mechanism is solved while product damage caused by mechanical limit is prevented.
(2) The invention utilizes the design of the elastic sheet to form a closed cavity for collecting the celestial soil: the shell fragment can cut heavenly body soil, and then increases broken ground sample depth, and the power of breaking ground can not transmit for the arm. Under the full folding state, the ground breaking and cutting force of a single elastic sheet can reach 50N, the ground breaking depth of the mechanism can reach 45mm, the single sampling amount can reach 220cm3, and the functional requirements of lunar sampling are met.
(3) The lofting design has a lofting function, high emptying rate (the lofting emptying rate is more than or equal to 95%) is realized through the lofting mechanism in the lofting operation process, and the extreme position mechanisms at the two ends of the push plate vibrate automatically, so that the control is simple and the reliability is high;
(4) in the process of breaking the soil, except that the mechanical arm goes down, the soil breaking force is the soil internal force of the mechanism and the celestial body and cannot be transmitted to the mechanical arm.
Drawings
FIG. 1 is a sectional view of a leaf spring type soil sampling mechanism on the surface of an extraterrestrial celestial body in an embodiment of the present invention;
FIG. 2 is a perspective view of a leaf spring type soil sampling mechanism on the surface of an extraterrestrial celestial body in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sample pushing mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a top block in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a vibrating upper mass in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a vibrating lower block II according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a vibrating lower block I in an embodiment of the invention;
FIG. 8 is a schematic structural diagram of a push rod screw according to an embodiment of the present invention;
FIG. 9 is a schematic view of an assembly of a vibrating upper mass and a vibrating lower mass II according to an embodiment of the present invention;
FIG. 10 is a schematic view of an assembly of a vibrating upper mass and a vibrating lower mass I according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a spring plate limiting roller according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a rotating disk mechanism in an embodiment of the present invention;
fig. 13 is a schematic structural diagram of an outer casing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, in the present embodiment, the elastic sheet type soil sampling mechanism for the surface of the extraterrestrial body includes: the device comprises a fixed support 1, an outer shell 2, a spring piece lead screw 3, a rotating disc mechanism 4, a spring piece nut 5, a rotating disc separation blade 6, a sample pushing mechanism 7 and 8 spring pieces 8. Wherein, fixed bolster 1 includes: a nut structure 12 at the position of the central axis, and a double-rib structure 11 arranged outside the nut structure 12.
The specific connection is as follows: the fixed bracket 1 is arranged in the outer shell 2; the fixed support 1 is respectively connected with the outer shell 2 and the elastic lead screw 3 through bearings, and both the outer shell 2 and the elastic lead screw 3 can relatively rotate relative to the axis of the fixed support 1; the central hole of the rotating disc mechanism 4 penetrates through the double-rib structure 11 and is horizontally arranged in the outer shell 2, and can do relative lifting motion along the inner wall of the outer shell 2; the elastic piece nut 5 and the rotating disc baffle 6 are arranged between the rotating disc mechanism 4 and the double-rib structure 11; wherein, the rotating disc mechanism 4 can rotate relatively around the axis of the elastic sheet nut 5; the bottoms of the 8 elastic sheets 8 are respectively connected to the rotating disc mechanism 4 through screws, and the tops of the 8 elastic sheets extend out of the bottom of the outer shell 2; the sample pushing mechanism 7 is arranged in a cavity enclosed by the 8 elastic sheets 8 and is connected with the fixed support 1 through a nut structure 12.
In a preferred embodiment of the present invention, as shown in fig. 3, the sample pushing mechanism 7 may specifically include: the device comprises a push rod screw rod 71, a top block 72, a push-out spring 73, a vibration upper block 74, a spring sheet limiting roller 75, a vibration lower block I76, a vibration lower block II 77, a retraction spring 78, a vibration lower block baffle 79 and a push plate 710. Wherein, the spring plate limit roller 75 is connected with the outer shell 2 by screws and is used as a fixed connection frame of the sample pushing mechanism 7; the push rod screw rod 71 is arranged at the axis position of the elastic sheet limiting roller 75 and forms a screw pair with the nut structure 12 of the fixed bracket 1; the top block 72 is in threaded connection with the elastic sheet limiting roller 75; two ends of the push-out spring 73 are respectively connected with the top block 72 and the upper vibration block 74; the upper vibration block 74 is attached to the elastic sheet limiting roller 75 through a step surface under the thrust action of the push-out spring 73 to form mechanical limiting; the lower vibrating block II 77 is connected with the elastic sheet limiting roller 75 through a bearing, and the lower vibrating block II 77 and the elastic sheet limiting roller 75 rotate relatively along the axis of the bearing; the lower vibrating block I76 is assembled and connected with the lower vibrating block II 77; the lower vibration block baffle 79 is connected with the lower vibration block I76 through a screw, one end of the retraction spring 78 acts on the lower vibration block baffle 79, and the other end acts on the lower vibration block II 77; the push plate 710 is mounted on the end where the push rod screw 71 is located.
In a preferred embodiment of the present invention, as shown in fig. 4 to 10, the top block 72 is provided with: 4 top block grooves 721; the vibrating upper block 74 is provided with: 4 protruding guide rails I741 and a slope I742; the lower vibrating block II 77 is provided with: the slope table II 771 and 2 convex guide rails II 772; the lower vibrating block I76 is provided with: 2 gaps 761; the pusher screw 71 is provided with: 2 lead screw grooves 711.
Preferably, 4 top block grooves 721 are correspondingly matched with 4 convex guide rails i 741, so that the top block 72 and the upper vibrating block 74 can move axially relative to each other; when the upper vibrating block 74 is attached to the elastic sheet limiting roller 75 through the step surface under the thrust action of the push-out spring 73, the top surface of the slope table I742 is attached to the bottom surface of the slope table II 771, and the bottom surface of the slope table I742 is attached to the top surface of the slope table II 771 to form a friction transmission pair; 2 raised guide rails II 772 and 2 gaps 761 between the lower vibration block II 77 and the lower vibration block I76 are assembled and can relatively move along the axis of the lower vibration block I76; and 2 convex guide rails II 772 of the vibrating lower block II 77 form boss-groove fit with 2 lead screw grooves 711 of the push rod lead screw 71 at the same time, and the vibrating lower block II 77 rotates around the axis of the vibrating lower block II 77 to drive the push rod lead screw 71 to move circumferentially.
In a preferred embodiment of the present invention, as shown in fig. 11, 8 spring plate sliding cavities 751 are equally and uniformly distributed on the outer surface of the spring plate limiting roller 75. Wherein, 8 shell fragment 8 are located 8 shell fragment sliding chambers 751 that correspond respectively, and 8 shell fragments 8 can make relative slip relative to shell fragment limiting roller 75 axis in 8 shell fragment sliding chambers 751.
In a preferred embodiment of the present invention, as shown in fig. 12, the rotating disk mechanism 4 may specifically include: 4 outer rollers 41, 8 inner rollers 42 and a ring frame 43. Wherein, 4 outer rollers 41 of the rotating disk mechanism 4 are uniformly distributed on the outer side surface of the ring frame 43 at equal intervals and are connected with the ring frame A3 through a shaft; 8 inner rollers 42 are uniformly distributed on the inner side surface of the ring frame 43 at equal intervals and are connected with the ring frame 43 through a shaft; the outer roller 41 and the inner roller 42 are both rotatable about their own axes.
In a preferred embodiment of the present invention, as shown in fig. 13, the outer case 2 may include: 4 vertical rail grooves 21. Wherein, 4 vertical track grooves 21 are circumferentially and uniformly distributed on the inner wall of the outer shell 2 at equal intervals; the 4 outer rollers 41 of the rotating disk mechanism 4 are correspondingly installed in the 4 vertical rail grooves 21, and can perform relative lifting motion in the outer housing 2 along the vertical rail grooves 21.
In a preferred embodiment of the invention, the nut 5 is mechanically connected with the rotary disk baffle 6 through a screw to form a groove structure on the outer end surface of the diameter; the 8 inner rollers 42 of the rotary disk mechanism 4 are mounted in a diametrically outer end face groove structure.
In a preferred embodiment of the present invention, the shrapnel lead screw 3 and the shrapnel nut 5 form a screw pair, and the double-rib structure 11 of the fixing bracket 1 is inserted into the double-ring groove 51 of the shrapnel nut 5; when the shrapnel lead screw 3 rotates, the shrapnel nut 5 and the shrapnel lead screw 3 do not rotate relatively under the action of the double ring grooves 51 until the relative motion along the axis of the shrapnel nut 5 occurs.
It should be noted that the thickness of the elastic sheet 8 may be 0.15mm to 0.35mm, the number of the elastic sheets 8 is not limited to 8, but is generally not less than 7, and this embodiment does not limit this.
Example 2
On the basis of the embodiment, the invention also discloses a sampling method of the elastic sheet type extraterrestrial body surface soil sampling mechanism, which comprises the following steps: the elastic piece lead screw 3 is driven to move by the motor, the elastic piece nut 5 moves circumferentially and is fixed by the fixing support 1, the elastic piece nut 5 drives the rotating disc mechanism 4 to move along the axis of the mechanism, the elastic piece 8 is fixedly connected with the rotating disc mechanism 4 and reciprocates along with the rotating disc mechanism 4, and the opening and closing actions of the elastic piece 8 are completed; the motor drives the outer shell 2 to reciprocate, the outer shell 2 drives the elastic sheet 8 to rotate in a pulling saw type along the circumferential direction, the tip of the elastic sheet 8 has a cutting effect on the surface soil of the celestial body, and the sampling of a sample is completed; after sampling is finished, the elastic piece lead screw 3 is driven to move through the motor, and the elastic piece 8 is closed; wherein, every closed section sets for the stroke, through the reciprocating motion of motor, drives shell body 2 and drives shell fragment 8 and rotate along circumference drag-saw to reduce the effort of sample to shell fragment 8.
In a preferred embodiment of the present invention, the sampling method of the elastic sheet type soil sampling mechanism on the surface of the extraterrestrial body further comprises: connecting a spring piece type extraterrestrial body surface soil sampling mechanism with a mechanical arm; before sampling begins, the elastic sheet type extraterrestrial body surface soil sampling mechanism is pulled to a sampling position through a mechanical arm.
In a preferred embodiment of the present invention, the sampling method of the elastic sheet type soil sampling mechanism on the surface of the extraterrestrial body further comprises: after the sampling is finished, when the elastic sheet 8 is closed, the elastic sheet type extraterrestrial body surface soil sampling mechanism is pulled by the mechanical arm to leave the sampling position and move to the lofting position for lofting.
In a preferred embodiment of the present invention, the lofting operation includes: and opening the elastic sheet 8, driving the shell body 2 to move in a one-way mode through the motor, transmitting the movement to the push plate 710 in the sample pushing mechanism 7, releasing the sampled sample from the elastic sheet type extraterrestrial body surface soil sampling mechanism, and finishing the lofting operation.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (10)
1. The utility model provides a shell fragment formula extraterrestrial celestial body top layer soil sampling mechanism which characterized in that includes: the sample pushing device comprises a fixed support (1), an outer shell (2), a spring lead screw (3), a rotating disc mechanism (4), a spring nut (5), a rotating disc baffle (6), a sample pushing mechanism (7) and 8 springs (8); wherein, fixed bolster (1) includes: the nut structure (12) is positioned on the central axis, and the double-rib structure (11) is arranged on the outer side of the nut structure (12);
the fixed bracket (1) is arranged in the outer shell (2);
the fixed support (1) is respectively connected with the outer shell (2) and the elastic lead screw (3) through bearings, and both the outer shell (2) and the elastic lead screw (3) can relatively rotate relative to the axis of the fixed support (1);
the central hole of the rotating disc mechanism (4) penetrates through the double-rib structure (11) and then is horizontally arranged in the outer shell (2) and can do relative lifting motion along the inner wall of the outer shell (2);
the elastic piece nut (5) and the rotating disc blocking piece (6) are arranged between the rotating disc mechanism (4) and the double-rib structure (11); wherein, the rotating disc mechanism (4) can rotate relatively around the axis of the elastic sheet nut (5);
the bottoms of the 8 elastic sheets (8) are respectively connected to the rotating disc mechanism (4) through screws, and the tops of the elastic sheets extend out of the bottom of the outer shell (2);
the sample pushing mechanism (7) is arranged in a cavity enclosed by 8 elastic sheets (8) and is connected with the fixed support (1) through a nut structure (12).
2. The soil sampling mechanism of the surface of the elastic sheet type extraterrestrial celestial body of claim 1, wherein the sample pushing mechanism (7) comprises: the device comprises a push rod lead screw (71), a top block (72), a push-out spring (73), a vibration upper block (74), an elastic sheet limiting roller (75), a vibration lower block I (76), a vibration lower block II (77), a retraction spring (78), a vibration lower block baffle plate (79) and a push plate (710);
the elastic sheet limiting roller (75) is connected with the outer shell (2) by screws and is used as a fixedly connected rack of the sample pushing mechanism (7);
the push rod lead screw (71) is arranged at the axis position of the elastic sheet limiting roller (75) and forms a screw pair with the nut structure (12) of the fixed support (1);
the ejector block (72) is in threaded connection with the elastic sheet limiting roller (75);
two ends of the push-out spring (73) are respectively connected with the top block (72) and the vibration upper block (74);
the upper vibrating block (74) is attached to the elastic sheet limiting roller (75) through a step surface under the thrust action of the push-out spring (73) to form mechanical limiting;
the vibrating lower block II (77) is connected with the elastic sheet limiting roller (75) through a bearing, and the vibrating lower block II (77) and the elastic sheet limiting roller (75) rotate relatively along the axis of the bearing;
the lower vibrating block I (76) is assembled and connected with the lower vibrating block II (77);
a baffle plate (79) of the lower vibrating block is connected with the first lower vibrating block (76) through a screw, one end of a retraction spring (78) acts on the baffle plate (79) of the lower vibrating block, and the other end acts on the second lower vibrating block (77);
the push plate (710) is arranged at the tail end of the push rod screw rod (71).
3. The soil sampling mechanism on the surface of the elastic sheet type extraterrestrial celestial body of claim 2, wherein the top block (72) is provided with: 4 top block grooves (721); the upper vibrating block (74) is provided with: 4 protruding guide rails I (741) and a slope I (742); the lower vibrating block II (77) is provided with: a sloping platform II (771) and 2 convex guide rails II (772); the lower vibrating block I (76) is provided with: 2 gaps (761); the push rod screw (71) is provided with: 2 lead screw grooves (711);
the 4 jacking block grooves (721) are correspondingly matched with the 4 convex guide rails I (741) so that the jacking block (72) and the upper vibrating block (74) can move relative to the axis;
when the upper vibrating block (74) is attached to the elastic sheet limiting roller (75) through the step surface under the thrust action of the push-out spring (73), the top surface of the slope table I (742) is attached to the bottom surface of the slope table II (771), and the bottom surface of the slope table I (742) is attached to the top surface of the slope table II (771) to form a friction transmission pair;
2 raised guide rails II (772) and 2 notches (761) between the lower vibrating block II (77) and the lower vibrating block I (76) are assembled and can move relatively along the axis of the lower vibrating block I (76);
2 protruding guide rails II (772) of vibrating lower block II (77) and 2 lead screw grooves (711) of the push rod lead screw (71) form boss-groove matching simultaneously, and the vibrating lower block II (77) can drive the push rod lead screw (71) to move circumferentially around the axis of the vibrating lower block II (77).
4. The soil sampling mechanism on the surface of the elastic sheet type extraterrestrial celestial body of claim 2, wherein 8 elastic sheet sliding cavities (751) are uniformly distributed on the outer surface of the elastic sheet limiting roller (75) at equal intervals;
8 shrapnels (8) are respectively positioned in the corresponding 8 shrapnel sliding cavities (751), and the 8 shrapnels (8) can slide relatively to the axis of the shrapnel limiting roller (75) in the 8 shrapnel sliding cavities (751).
5. The soil sampling mechanism of the surface of a shrapnel extraterrestrial body according to claim 1, wherein the rotating disc mechanism (4) comprises: 4 outer rollers (41), 8 inner rollers (42) and a ring frame (43); an outer housing (2) comprising: 4 vertical track grooves (21);
4 vertical track grooves (21) are uniformly distributed on the inner wall of the outer shell (2) at equal intervals in the circumferential direction;
the nut (5) is mechanically connected with the rotary disc baffle (6) through a screw to form a groove structure on the outer end face of the diameter;
4 outer rollers (41) of the rotating disc mechanism (4) are uniformly distributed on the outer side surface of the ring frame (43) at equal intervals and are connected with the ring frame (A3) through a shaft; 8 inner rollers (42) are uniformly distributed on the inner side surface of the ring frame (43) at equal intervals and are connected with the ring frame (43) through a shaft; wherein, the outer roller (41) and the inner roller (42) can rotate around the axes thereof;
4 outer rollers (41) of the rotating disc mechanism (4) are correspondingly arranged in 4 vertical track grooves (21) and can perform relative lifting motion in the outer shell (2) along the vertical track grooves (21);
8 inner rollers (42) of the rotating disc mechanism (4) are arranged in a groove structure on the outer end face of the diameter.
6. The soil sampling mechanism on the surface of the elastic sheet type extraterrestrial celestial body of claim 1, wherein the elastic sheet lead screw (3) and the elastic sheet nut (5) form a screw pair, and the double-rib structure (11) of the fixed support (1) is inserted into the double-ring groove (51) of the elastic sheet nut (5); when the elastic piece screw rod (3) rotates, the elastic piece nut (5) does not rotate relative to the elastic piece screw rod (3) under the action of the double ring grooves (51) until relative movement along the axis of the elastic piece nut (5) occurs.
7. A sampling method of a spring piece type extraterrestrial body surface soil sampling mechanism is characterized by comprising the following steps:
the elastic piece lead screw (3) is driven to move by the motor, the elastic piece nut (5) moves circumferentially and is fixed by the fixing support (1), the elastic piece nut (5) drives the rotating disc mechanism (4) to move along the axis of the mechanism, the elastic piece (8) is fixedly connected with the rotating disc mechanism (4) and reciprocates along with the rotating disc mechanism (4), and the opening and closing actions of the elastic piece (8) are completed;
the motor drives the outer shell (2) to reciprocate, the outer shell (2) drives the elastic sheet (8) to rotate in a pulling saw mode along the circumferential direction, the tip of the elastic sheet (8) has a cutting effect on the soil on the surface of the celestial body, and the sampling of a sample is completed;
after sampling is finished, the elastic piece lead screw (3) is driven to move through the motor, and the elastic piece (8) is closed; wherein, every closed section sets for the stroke, through the reciprocating motion of motor, drives shell body (2) and drives shell fragment (8) and rotate along circumference drag-saw formula to reduce the effort of sample to shell fragment (8).
8. The sampling method of the soil sampling mechanism on the surface of the elastic sheet type extraterrestrial body according to claim 7, further comprising: connecting a spring piece type extraterrestrial body surface soil sampling mechanism with a mechanical arm; before sampling begins, the elastic sheet type extraterrestrial body surface soil sampling mechanism is pulled to a sampling position through a mechanical arm.
9. The sampling method of the soil sampling mechanism on the surface of the elastic sheet type extraterrestrial body according to claim 8, further comprising: after sampling is finished, when the elastic sheet (8) is closed, the elastic sheet type extraterrestrial celestial body surface soil sampling mechanism is pulled by the mechanical arm to leave the sampling position and move to the lofting position for lofting.
10. The method for sampling the soil sampling mechanism on the surface of the elastic piece type extraterrestrial body according to claim 9, wherein the lofting action comprises: open shell fragment (8), through motor drive shell body (2) unidirectional type motion, the transmission is to push pedal (710) motion in pushing away appearance mechanism (7), will take a sample and follow release in the shell fragment formula extraterrestrial body surface layer soil sampling mechanism, the operation of accomplishing the laying-out.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023103184A1 (en) * | 2021-12-06 | 2023-06-15 | The Hongkong Polytechnic University | Regolith sampling apparatus and arm |
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| CN208366644U (en) * | 2018-05-29 | 2019-01-11 | 武汉楚江环保有限公司 | A kind of portable Soil K+adsorption sampler of gardens construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103184A1 (en) * | 2021-12-06 | 2023-06-15 | The Hongkong Polytechnic University | Regolith sampling apparatus and arm |
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| CN111006897B (en) | 2022-10-21 |
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