CN108195615A - Original state three-phase soil sample sampler and sampling method - Google Patents
Original state three-phase soil sample sampler and sampling method Download PDFInfo
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- CN108195615A CN108195615A CN201810107979.0A CN201810107979A CN108195615A CN 108195615 A CN108195615 A CN 108195615A CN 201810107979 A CN201810107979 A CN 201810107979A CN 108195615 A CN108195615 A CN 108195615A
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- 239000002689 soil Substances 0.000 title claims abstract description 121
- 238000005070 sampling Methods 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 45
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 6
- 239000004576 sand Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000005527 soil sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
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- Physics & Mathematics (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of original state three-phase soil sample sampling methods, include the following steps：1) for the sandy soil to be sampled, first the miscellaneous soil of top is cleaned out, the area of cleaning is not less than the area to be sampled；2) sampler is placed in the sampling region cleaned out in the step 1), operating personnel apply downward pressure to sampler, sampler slowly is pressed into soil layer, until soil sample fills up entire sampler；3) lower port of drawing out soil equipment is closed, the soil sample in sampler is made to be kept completely separate with extraneous soil；4) sampler is taken out.The invention also discloses a kind of original state three-phase soil sample samplers.After sampler is pressed into soil layer, close the lower port of sampler, the soil sample in sampler is made to be kept completely separate with extraneous soil, so, soil sample in sampler will not be influenced by extraneous soil, gas in soil sample etc. will not be run out of, and the soil body that sampling obtains can be effectively prevent to change.
Description
Technical field
The invention belongs to sampler technical fields, are specifically a kind of original state three-phase soil sample sampler and sampling method.
Background technology
China's southeastern coast it is widely distributed shallow biogas, buried depth is at 10-100 meters or so.Containing shallow biogas
Sand belongs to unsaturated soil, is collectively constituted by biological gas and water, soil particle three-phase, since such sand contains the life of closing
Object gas, biology has certain pressure in soil layer so that and it is different from the unsaturation sand property that general continental deposit is formed, therefore
How sand mechanical characteristic containing shallow gas is correctly held, it is significant to engineering construction safety.
At present, common collecting soil sample equipment is mainly ring-knife soil sampler, and is all mostly when fetching earth
Using straight forced, hammering pressuring method etc., instrument is pressed into the soil body, completes to fetch earth.But in sampling process, easily to soil sample
Edge generates disturbance, because artificial swing makes taken soil sample can not be as reset condition when fetching earth.Especially make sand
Property soil, it is impossible to it is good keep soil sample three Phase Proportions, cause sampling fail.
The Chinese patent application of Publication No. CN106525484A disclose a kind of original state sandy soil sampling method and
Its sampler, but the device requirement soil body will be also sampled in a cold or frozen state, it will waste more time and money
Wealth, and also to prevent surrounding soil from can be impacted to it during the soil body is freezed.
The Chinese patent of Publication No. CN1609583A discloses a kind of support rotating undisturbed soil sampling device, employs rotation
Turn the sampling mode of cutting, the loosening of soil sample edge is be easy to cause in rotary course and is changed, while the sampler can not seal
Mouthful, the soil body easily is loosened, and run out of gas therein, eventually lead to sampling and obtain the soil body and change.
Invention content
It in view of this, can not only the purpose of the present invention is to provide a kind of original state three-phase soil sample sampler and sampling method
It is enough to realize sampling, and the soil body that sampling can be effectively prevent to obtain changes.
In order to achieve the above objectives, the present invention provides following technical solution：
Present invention firstly provides a kind of original state three-phase soil sample sampling methods, include the following steps：
1) for the sandy soil to be sampled, first the miscellaneous soil of top is cleaned out, the area of cleaning is not less than to be sampled
Area；
2) sampler is placed in the sampling region cleaned out in the step 1), operating personnel apply to sampler
Downward pressure, is slowly pressed into soil layer by sampler, until soil sample fills up entire sampler；
3) lower port of drawing out soil equipment is closed, the soil sample in sampler is made to be kept completely separate with extraneous soil；
4) sampler is taken out.
Further, in the step 4), the soil around sampler is first cleared up, cleaning depth is more than or equal to the sampling
The depth of device press-in, forms the empty slot of a spill, then further takes out the sampler.
Further, step 5) is further included, driving sampling enclosed mechanism opening fetches earth the lower port of cutting edge, and by sampler
The cutting edge that fetches earth remove, shovel the portion of breaking off the base discard soil, then with lower seal lid seal sampling interior bucket bottom.
Further, step 6) is further included, interior bucket will be sampled and taken out at the lower port of sampling outer barrel, and in sampling interior bucket
Top seal lid in top cover.
The invention also provides a kind of original state three-phase soil sample suitable for original state three-phase soil sample sampling method as described above takes
Sample device, including sampling sleeve, the top of the sampling sleeve is removably equipped with applicator, and the lower section of the sampling sleeve is removable
It is equipped with the cutting edge that fetches earth with unloading, the sampling channel connected, the sampling sleeve is equipped in the sampling sleeve and the cutting edge that fetches earth
Including sampling outer barrel and the sampling interior bucket being sleeved in the sampling outer barrel；
Further include the sampling enclosed mechanism for lower end closure；
The sampling enclosed mechanism includes the sealing slice that annular is uniformly arranged in the sampling cutting edge inner wall, all
The sealing slice can form the seal body for closing the sampling channel, and further include the envelope for driving all when being closed
Mouth slice, which is synchronized with the movement and is closed to form the seal body or open, exposes the sealing driving mechanism for sampling channel.
Further, the sealing driving mechanism includes being arranged on the drive rod of the sampling bushing core, the drive rod
Drive link mechanism is respectively equipped between every a piece of sealing slice.
Further, the drive link mechanism include with it is described sealing slice articulated connection first connecting rod and with the drive
The second connecting rod of lever lower end articulated connection, upper surface lateral border and the second connecting rod one-to-one correspondence of the sampling interior bucket are set
There is sleeve, the second connecting rod, which is slidably matched, to be sleeved in the sleeve, and the sleeve and the upper surface of the sampling interior bucket
Lateral border is articulated and connected.
Further, the sealing slice annular is uniformly arranged as two panels, and the notch mounting is spherical in a quarter, and two
The both ends handing-over connection and centre of sphere coincidence of notch mounting described in piece, and notch mounting described in two panels is hinged around its centre of sphere and both ends
The sealing axis rotation of tie point, the sealing axis are vertical with the axis of the sampling channel.
Further, the inner wall of the cutting edge that fetches earth is equipped with a quarter rounded channels with the sealing slice cooperation, and
The notch of the rounded channels, which is equipped with, makes the sampling baffle that remains unchanged of sampling channel internal diameter, the bottom end of the sampling baffle with
The gap for the sealing slice disengaging is equipped between the rounded channels.
Further, the ratio between the sphere diameter of the sealing slice and the internal diameter of the sampling channel are
The beneficial effects of the present invention are：
The original state three-phase soil sample sampling method of the present invention, after sampler is pressed into soil layer, closes sampler
Lower port makes the soil sample in sampler be kept completely separate with extraneous soil, in this way, the soil sample in sampler will not be by the external world
The influence of soil, the gas in soil sample etc. will not be run out of, and the soil body that sampling obtains can be effectively prevent to change.Specifically
, original state three-phase soil sample sampling method of the invention has the following advantages：
1) freezing soil is not needed to, the time of consuming and financial resources are smaller；
2) sealed environment can be formed, original soil sample is prevented to be damaged, if the gas moisture in soil sample is run out of, it will cause three to compare
Example is not inconsistent with original sample.
The original state three-phase soil sample sampler of the present invention samples enclosed mechanism by setting, is driven using driving mechanism is sealed
All sealing slices are synchronized with the movement, and after sampler is pressed into soil layer, are closed using driving mechanism driving sealing slice is sealed
Conjunction forms seal body, can so be isolated entirely from the soil sample in sampler and extraneous soil, and form sealed environment and prevent
Only soil sample is damaged, and the soil body that sampling obtains can be effectively prevent to change.
Description of the drawings
In order to make the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides drawings described below and carries out
Explanation：
Fig. 1 is the structure diagram of original state three-phase soil sample sampler embodiment of the present invention；
Fig. 2 is the full sectional view of the left view of Fig. 1；
Fig. 3 is that the present embodiment samples the use state reference chart after enclosed mechanism is closed.
Specific embodiment
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, the structure diagram for original state three-phase soil sample sampler embodiment of the present invention.The original state of the present embodiment
Three-phase soil sample sampler, including sampling sleeve, the top for sampling sleeve is removably equipped with applicator 1, samples the lower section of sleeve
The cutting edge 2 that fetches earth removably is equipped with, the sampling channel 3 connected is equipped in sampling sleeve and the cutting edge 2 that fetches earth, sampling sleeve includes taking
Sample outer barrel 4 and the sampling interior bucket 5 being sleeved in sampling outer barrel 4, sampling interior bucket 5 can be taken out from 4 lower end of sampling outer barrel.
The original state three-phase soil sample sampler of the present embodiment further includes the sampling enclosed mechanism for lower end closure.The present embodiment
Sampling enclosed mechanism include the sealing slice 6 that annular is uniformly arranged in sampling 2 inner wall of cutting edge, all sealings slice 6 closes
The seal body of closing sampling channel can be formed during conjunction, and further includes that all sealing slices 6 is driven to be synchronized with the movement and are closed
It forms seal body or opens the sealing driving mechanism for exposing sampling channel 3.
The sealing driving mechanism of the present embodiment include be arranged on sampling bushing core drive rod 7, drive rod 7 with often it is a piece of
Drive link mechanism is respectively equipped between sealing slice 6.The drive link mechanism of the present embodiment includes hingedly connecting with sealing slice 6
The first connecting rod 9 connect and the second connecting rod 8 being articulated and connected with 7 lower end of drive rod sample the upper surface lateral border and second of interior bucket 5
Connecting rod 8, which corresponds, is equipped with sleeve, and second connecting rod 8, which is slidably matched, to be sleeved in sleeve, and sleeve rotation and the upper end of sampling interior bucket 5
Face lateral border articulated connection.In this way, promoting drive rod 7, driving second connecting rod is slided in sleeve and drive sleeve is in sampling
5 upper surface lateral border rotation of bucket in this way, first connecting rod 9 can be driven to move downward, and then drives all sealing slices 6 same
Step moves downward closure and forms seal body.After the completion of sampling, side movement where drive rod 7 towards the cutting edge that fetches earth can be driven,
It after seal body is opened, continues to move to, then using the spacing relation between 5 upper surface of second connecting rod 8 and sampling interior bucket, will take
Sample interior bucket 5 is released from the lower end of sampling outer barrel 4.
It is uniformly arranged specifically, the sealing of the present embodiment is sliced 6 annulars as two panels, and notch mounting 6 is in a quarter ball
Shape, the both ends handing-over connection and centre of sphere coincidence of two panels notch mounting 6, and two panels notch mounting 6 is hinged around its centre of sphere and both ends
The sealing axis 10 of tie point rotates, and sealing axis 10 is vertical with the axis for sampling channel.The interior of cutting edge 2 that fetch earth of the present embodiment
Wall be equipped with sealing slice 6 cooperation a quarter rounded channels, and the notch of rounded channels be equipped with make 3 internal diameter of sampling channel keep
Constant sampling baffle 11 samples the gap 12 being equipped between the bottom end of baffle 11 and rounded channels for sealing slice disengaging.Tool
Body, the ratio between the internal diameter of the sphere diameter for being sliced 6 with sampling channel 3 that seals of the present embodiment is
The detachable connection between sampling sleeve, applicator 1 and the cutting edge 2 that fetches earth in the present embodiment can refer to disclosure
Number be CN106525484A Chinese patent application, while can also use existing various ways realize, no longer one by one tire out state.
The original state three-phase soil sample sampler of the present embodiment samples enclosed mechanism by setting, is driven using driving mechanism is sealed
Dynamic all sealing slices are synchronized with the movement, and after sampler is pressed into soil layer, are sliced using driving mechanism driving sealing is sealed
Closure forms seal body, can so be isolated entirely from the soil sample in sampler and extraneous soil, and form sealed environment
Soil sample is prevented to be damaged, the soil body that sampling obtains can be effectively prevent to change.
The original state three-phase soil sample sampling method of the present embodiment, includes the following steps：
1) for the sandy soil to be sampled, first the miscellaneous soil of top is cleaned out, the area of cleaning is not less than to be sampled
Area, the soil layer covered above sandy soil is different and different according to geology；
2) the sampling sleeve of sampler, applicator 1 and the cutting edge 2 that fetches earth are fitted together, sampler is placed in step
It is rapid 1) in the sampling region cleaned out, operating personnel apply downward pressure to sampler by applicator 1, using fetching earth
Sampler is slowly pressed into soil layer by cutting edge 2, until soil sample fills up entire sampler；
3) lower port of drawing out soil equipment is closed, the soil sample in sampler is made to be kept completely separate with extraneous soil；Specifically,
The present embodiment draws high drive rod 7 upwards, is moved down, and then drive all using drive link mechanism driving first connecting rod 9
Sealing slice 6 moves downward simultaneously closure and forms seal body, and the lower end of sampling channel 3 is made to form sealing state.
4) sampler is taken out.The present embodiment first clears up the soil around sampler, and cleaning depth is more than or equal to sampling
The depth of device press-in, forms the empty slot of a spill, then further takes out sampler.
5) driving sampling enclosed mechanism opens the lower port for the cutting edge that fetches earth, and the cutting edge 2 that fetches earth of sampler is removed, and shovels
The portion of breaking off the base discards soil, and the bottom of sampling interior bucket is then sealed with lower seal lid.Specifically, driving drive rod 7 is towards fetching earth
Side movement where cutting edge can drive first connecting rod 9 to be moved to side where applicator, you can to open sealing using drive link mechanism
Body makes all sealing slices 6 return to and fetches earth in cutting edge 2.
6) interior bucket 5 will be sampled to take out at the lower port of sampling outer barrel 4, and the top seal in the top cover of sampling interior bucket
Lid.I.e. when seal body opening mouth, continue to side movement where the cutting edge that fetches earth, then using second connecting rod 8 and 5 upper end of sampling interior bucket
Spacing relation between face will sample interior bucket 5 and be released from the lower end of sampling outer barrel 4.
The original state three-phase soil sample sampling method of the present embodiment after sampler is pressed into soil layer, closes sampler
Lower port, soil sample in sampler is made to be kept completely separate with extraneous soil, in this way, the soil sample in sampler will not be by outer
The influence of boundary's soil, the gas in soil sample etc. will not be run out of, and the soil body that sampling obtains can be effectively prevent to change.Specifically
, the original state three-phase soil sample sampling method of the present embodiment has the following advantages：
1) freezing soil is not needed to, the time of consuming and financial resources are smaller；
2) sealed environment can be formed, original soil sample is prevented to be damaged, if the gas moisture in soil sample is run out of, it will cause three to compare
Example is not inconsistent with original sample.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.The equivalent substitute or transformation that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of original state three-phase soil sample sampling method, it is characterised in that：Include the following steps：
1) for the sandy soil to be sampled, first the miscellaneous soil of top is cleaned out, the area of cleaning is not less than the face to be sampled
Product；
2) sampler is placed in the sampling region cleaned out in the step 1), operating personnel apply downward to sampler
Pressure, sampler is slowly pressed into soil layer, until soil sample fills up entire sampler；
3) lower port of drawing out soil equipment is closed, the soil sample in sampler is made to be kept completely separate with extraneous soil；
4) sampler is taken out.
2. original state three-phase soil sample sampling method according to claim 1, it is characterised in that：In the step 4), first clear up
Soil around sampler, cleaning depth are more than or equal to the depth of sampler press-in, form the empty slot of a spill,
Then further take out the sampler.
3. original state three-phase soil sample sampling method according to claim 1 or 2, it is characterised in that：Step 5) is further included, is driven
Sampling enclosed mechanism opens the lower port for the cutting edge that fetches earth, and the cutting edge that fetches earth of sampler is removed, and the shovel portion of breaking off the base discards soil,
Then the bottom of sampling interior bucket is sealed with lower seal lid.
4. original state three-phase soil sample sampling method according to claim 3, it is characterised in that：Step 6) is further included, will be sampled
Interior bucket is taken out at the lower port of sampling outer barrel, and the top seal lid in the top cover of sampling interior bucket.
5. a kind of original state three-phase soil sample sampling for being suitable for the original state three-phase soil sample sampling method as described in claim any one of 1-4
Device, including sampling sleeve, the top of the sampling sleeve is removably equipped with applicator, and the lower section of the sampling sleeve is detachable
Ground is equipped with the cutting edge that fetches earth, and the sampling channel connected is equipped in the sampling sleeve and the cutting edge that fetches earth, it is characterised in that：It is described
Sampling sleeve includes sampling outer barrel and the sampling interior bucket being sleeved in the sampling outer barrel；
Further include the sampling enclosed mechanism for lower end closure；
The sampling enclosed mechanism includes the sealing slice that annular is uniformly arranged in the sampling cutting edge inner wall, and all is described
Sealing slice can form the seal body for closing the sampling channel when being closed, and further include that all sealings is driven to cut
Piece, which is synchronized with the movement and is closed to form the seal body or open, exposes the sealing driving mechanism for sampling channel.
6. original state three-phase soil sample sampler according to claim 5, it is characterised in that：The sealing driving mechanism includes setting
The drive rod in the sampling bushing core is put, being respectively equipped with driving between the drive rod and every a piece of sealing slice connects
Linkage.
7. original state three-phase soil sample sampler according to claim 6, it is characterised in that：The drive link mechanism include with
Described seal is sliced the first connecting rod being articulated and connected and the second connecting rod with drive rod lower end articulated connection, in the sampling
Upper surface lateral border and the second connecting rod of bucket, which correspond, is equipped with sleeve, the second connecting rod be slidably matched be sleeved on it is described
In sleeve, and the sleeve and the upper surface lateral border of the sampling interior bucket are articulated and connected.
8. original state three-phase soil sample sampler according to claim 5, it is characterised in that：The sealing slice annular is laid
Two panels is set to, and the notch mounting is spherical in a quarter, the both ends handing-over connection of notch mounting described in two panels and centre of sphere weight
Close, and notch mounting described in two panels around its centre of sphere and both ends articulated connection point sealing axis rotation, it is described sealing axis with
The axis of the sampling channel is vertical.
9. original state three-phase soil sample sampler according to claim 8, it is characterised in that：It is set on the inner wall of the cutting edge that fetches earth
Have with it is described sealing slice cooperation a quarter rounded channels, and the notch of the rounded channels be equipped with make the sampling channel internal diameter
The sampling baffle remained unchanged is equipped between the bottom end of the sampling baffle and the rounded channels for the sealing slice disengaging
Gap.
10. original state three-phase soil sample sampler according to claim 8, it is characterised in that：It is described sealing slice sphere diameter with
The ratio between internal diameter of the sampling channel is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107979.0A CN108195615A (en) | 2018-02-02 | 2018-02-02 | Original state three-phase soil sample sampler and sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107979.0A CN108195615A (en) | 2018-02-02 | 2018-02-02 | Original state three-phase soil sample sampler and sampling method |
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| Publication Number | Publication Date |
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| CN108195615A true CN108195615A (en) | 2018-06-22 |
Family
ID=62592345
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| CN201810107979.0A Pending CN108195615A (en) | 2018-02-02 | 2018-02-02 | Original state three-phase soil sample sampler and sampling method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655309A (en) * | 2019-02-01 | 2019-04-19 | 东北林业大学 | A kind of drawing out soil equipment and method suitable for the acquisition of forest fieid soil monolith |
| CN110907216A (en) * | 2019-11-07 | 2020-03-24 | 北京卫星制造厂有限公司 | Multipoint repeated sampling actuating mechanism suitable for frozen soil extraterrestrial star soil |
| CN112197993A (en) * | 2020-11-20 | 2021-01-08 | 中国矿业大学(北京) | Push type soil sample sampler and sampling and demolding method |
| CN114216724A (en) * | 2021-12-16 | 2022-03-22 | 江苏省岩土工程勘察设计研究院 | Geotechnical investigation sampling device and sampling method for architectural design |
| CN114323752A (en) * | 2021-12-17 | 2022-04-12 | 中国长江三峡集团有限公司 | Soil sampling device and sampling method for collecting full-shading sample of fine particle accumulation layer |
| CN114354899A (en) * | 2022-01-28 | 2022-04-15 | 江苏省交通工程建设局 | Soil property testing device for dragline bridge well sinking and using method thereof |
| CN115266204A (en) * | 2022-08-26 | 2022-11-01 | 中国长江三峡集团有限公司 | Soil sampling device for full-shading sample and using method |
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| CN110907216A (en) * | 2019-11-07 | 2020-03-24 | 北京卫星制造厂有限公司 | Multipoint repeated sampling actuating mechanism suitable for frozen soil extraterrestrial star soil |
| CN110907216B (en) * | 2019-11-07 | 2022-07-05 | 北京卫星制造厂有限公司 | Multipoint repeated sampling actuating mechanism suitable for frozen soil extraterrestrial star soil |
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