CN109030078A - A kind of soil sample collector - Google Patents
A kind of soil sample collector Download PDFInfo
- Publication number
- CN109030078A CN109030078A CN201811022859.7A CN201811022859A CN109030078A CN 109030078 A CN109030078 A CN 109030078A CN 201811022859 A CN201811022859 A CN 201811022859A CN 109030078 A CN109030078 A CN 109030078A
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- China
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- handle
- soil sample
- pull rod
- mobile bar
- sampler barrel
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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)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- 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 soil sample collectors, belong to sampler field, it is intended to provide a kind of soil sample collector of compacted samples, to solve in the prior art, soil sample in sampler barrel is loose, the problem of falling from sample tap is easy during taking-up, its key points of the technical solution are that, including handle, pull rod and sampler barrel, the pull rod is fixed on the middle part of handle, and the axis of pull rod is vertical with the axis of handle, the sampler barrel is fixed on the one end of pull rod far from handle, cavity is equipped in the handle, the annular plectrum being rotatablely connected with handle is equipped in the cavity, and annular plectrum and pull rod coaxial line, the handle is equipped with the opening being pierced by for annular plectrum, winding slot is equipped on the outside of the annular plectrum；The both ends of the handle offer the kidney slot towards pull rod respectively, and the kidney slot is equipped with stock stop；The axial direction of the annular plectrum is equipped with pressing mechanism.The present invention is suitable for soil sample.
Description
Technical field
The present invention relates to a kind of sampler, in particular to a kind of soil sample collector.
Background technique
The first step of soil analysis is exactly the collection process of pedotheque, and the collection process of pedotheque is to guarantee soil-like
Product are representative, validity significant process, and soil sample collector is the important tool of soil collection.
Currently, existing soil sample collector includes handle, pull rod and sampler barrel, both hands hold handle and rotate back and forth when use
And push, sampler barrel is inserted into soil, will finally be extracted upwards after sampler barrel.But when the soil sample in sampler barrel does not have
Compacting, soil sample is loose during taking out out of sampler barrel and directly falls from the sample tap of sampler barrel, needs operator
Again sub-sampling again, not only causes waste of time, also adds working strength.
Summary of the invention
The object of the present invention is to provide a kind of soil sample collector, has the advantages that the soil sample after compacting is taken out.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of soil sample collector, including handle, pull rod and sampler barrel, the pull rod are fixed on the middle part of handle, and the axis of pull rod
Line is vertical with the axis of handle, and the sampler barrel is fixed on the one end of pull rod far from handle, and cavity is equipped in the handle, described
The annular plectrum being rotatablely connected with handle is equipped in cavity, and annular plectrum and pull rod coaxial line, the handle are equipped with for ring
The opening that shape plectrum is pierced by；
The both ends of the handle are respectively equipped with stock stop；
The axial direction of the annular plectrum is equipped with pressing mechanism.
By using above-mentioned technical proposal, after soil sample is taken out, stock stop blocks the sample tap of sampler barrel, so that native
Sample is not easy to fall, and is pressed down against soil sample by pressing mechanism, so that soil sample is compacted reality, so that soil sample can integrally take
Out, and then the accuracy tested is improved.
Further, its circumferential direction of the outer lateral edge of the annular plectrum, which is gone into battle, shows several card slots.
By using above-mentioned technical proposal, card slot increases the frictional force between annular plectrum and operator's finger, in turn
Operator is prevented to skid when stirring annular plectrum, so that further improving operator's operation takes extruding
The efficiency of mechanism.
Further, the stock stop includes being provided with kidney slot of the handle towards pull rod, is equipped in the kidney slot
Mobile bar, it is described annular plectrum lateral wall on be equipped with winding slot, the mobile bar is fixedly connected far from one end of sampler barrel
There is drawstring, the one end of the drawstring far from mobile bar is fixedly connected with the slot bottom of winding slot；
The mobile bar is respectively equipped with sleeve far from one end of handle, and the sleeve is offered close to one end of mobile bar for movement
The shifting chute of bar sliding, the mobile bar are outward extended with baffle far from one end of handle, the opening of the shifting chute to
It is inside extended with the limited block of baffle conflict, the sleeve is respectively perpendicular far from one end of mobile bar and is fixedly connected with striker plate,
The sleeve is equipped with pin hole, and the mobile bar is equipped with location hole identical with pin hole internal diameter, is equipped with bolt in the pin hole；
When pin hole is overlapped with location hole, the height of mobile bar and sleeve and with the height of pull rod and sampler barrel and equal.
By using above-mentioned technical proposal, mobile bar and sleeve are fixed by bolt, so that the height of mobile bar and sleeve
It spends equal with the height of pull rod and sampler barrel.Annular plectrum is rotated, so that drawstring is wrapped in winding slot, so that mobile bar
Mobile to the direction of pull rod, sleeve is mobile to sampler barrel with mobile bar, so that striker plate keeps off the sample tap of sampler barrel
Firmly, so that soil sample is not easy to fall.
Further, the opposite lateral edge of the kidney slot its open up direction equipped with sliding slot, it is fixed in the mobile bar to connect
It is connected to the sliding block being adapted to sliding slot.
By using above-mentioned technical proposal, sliding block plays the role of support to mobile bar, when drawstring is wound into winding slot
It pulls sliding block in mobile interior sliding, reduces the abrasion of mobile bar, but also mobile bar movement is more steady, so that backgauge
Plate is easier to keep out sample tap.
Further, one of them described striker plate opens up fluted far from one end of sleeve, another described striker plate
It is equipped with the convex block being adapted to groove.
By using above-mentioned technical proposal, convex block, which is embedded into groove, can make two striker plates closely combine
It together, will not there is a phenomenon where mutual sequences so that pressing mechanism is when squeezing soil sample, between striker plate.
Further, the sleeve is equipped with the curved portion being bonded with sampler barrel close to the side of striker plate.
By using above-mentioned technical proposal, curved portion increases the contact area of sleeve and sampler barrel, so that pressing mechanism
In impacting soil, sampler barrel is not easy to shake, and increases the stability of sampler barrel.
Further, the pressing mechanism includes the through-hole being axially arranged along pull rod, and through-hole is connected to sampler barrel, described
The push rod being threadedly coupled with annular plectrum is equipped in through-hole, one end of the push rod is vertically fixedly connected with push plate, and push plate position
In in sampler barrel；
The through-hole wall is symmetrically arranged with limiting slot along its axis direction, and the push rod is equipped with the rotation being adapted to limiting slot
Block.
By using above-mentioned technical proposal, when the rotation of annular plectrum, the push rod that is threadedly coupled with annular plectrum is to downslide
It moves, so that push plate be pushed to move down, push plate is pressed down against soil sample during moving down.In addition, annular plectrum is turning
In dynamic process, striker plate is moved at sample tap and blocks sample tap, so that push plate soil sample during squeezing soil sample
It is not easy to fall from sampler barrel, more convenient compacted samples.The setting of limiting slot and movable block so that push rod can only move cannot
Rotation, to improve the downward thrust of push rod.
Further, it is equipped with holding tank on the inner sidewall of the sampler barrel, is fixedly connected with air bag in the holding tank,
The air bag is equipped with gas nozzle, and the sampler barrel is equipped with the perforation being pierced by for gas nozzle.
By using above-mentioned technical proposal, when air bag is full of, soil sample, push plate and striker plate are squeezed from upper extruding from side
Soil sample, so that all directions of soil sample are squeezed power, so that soil sample compacting is even closer, it is more convenient completely to take
Out, realize that result is more accurate.When not inflating in air bag, air bag is located in holding tank without influencing whether sampling process.
Further, the striker plate is equipped with several drainage holes.
By using above-mentioned technical proposal, the moisture in soil sample is under the extruding of air bag, push plate and striker plate from drainage hole
Discharge improves experiment accuracy to keep the drying of soil sample.
Further, filter screen is equipped in the drainage hole.
By using above-mentioned technical proposal, soil sample is made to be not easy to arrange from drainage hole during extruding equipped with filter screen
Out, experiment accuracy is improved.
In conclusion the invention has the following advantages:
1. using pressing mechanism, stock stop, compacted samples can be played, soil sample is made to be not easy to fall from sample tap, improved real
Test the effect of accuracy；
2. using air bag and gas nozzle, the effect from side compacted samples can be played；
3. using drainage hole, the moisture discharge facilitated when squeezing soil sample by soil sample can be played, experiment accuracy is improved
Effect.
Detailed description of the invention
Fig. 1 is in the present embodiment for embodying handle, pull rod, the connection relationship diagram between sampler barrel；
Fig. 2 is in the present embodiment for embodying the connection relationship diagram between mobile bar, sleeve；
Fig. 3 is the enlarged drawing in the portion A in Fig. 2, for embodying kidney slot, sliding slot, the connection relationship between sliding block；
Fig. 4 is in the present embodiment for embodying convex block, groove, the connection relationship between drainage hole.
In figure, 1, handle；11, cavity；12, annular plectrum；121, winding slot；122, card slot；13, it is open；14, kidney-shaped
Hole；141, sliding slot；2, pull rod；21, through-hole；211, limiting slot；3, sampler barrel；31, holding tank；32, air bag；321, gas nozzle；33,
Perforation；4, stock stop；41, mobile bar；411, sliding block；412, drawstring；413, baffle；414, location hole；42, sleeve；
421, shifting chute；422, limited block；423, striker plate；4231, groove；4232, convex block；4233, drainage hole；4234, filter screen；
424, pin hole；4241, bolt；425, curved portion；5, pressing mechanism；51, push rod；511, rotating block；52, push plate.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of soil sample collector, as shown in Figure 1, including handle 1, the pull rod 2 being fixedly connected vertical with 1 axis of handle and consolidating
It is scheduled on the one end of pull rod 2 far from handle 1, and the sampler barrel 3 with 2 coaxial line of pull rod.Pull rod 2 is fixed on the middle part of handle 1.
As shown in Figure 1, being equipped with cavity 11(in handle 1 referring to fig. 2), interior be equipped with of cavity 11 is rotatablely connected with handle 1, and with
The annular plectrum 12 of 2 coaxial line of pull rod, handle 1 are equipped with the opening 13 being pierced by for annular plectrum 12.The axial direction of annular plectrum 12
It is equipped with pressing mechanism 5.
As shown in Fig. 2, pressing mechanism 5(is referring to Fig. 1) include the through-hole 21 being axially arranged along pull rod 2, and through-hole 21 with take
Sample cylinder 3 is connected to.Sliding is connected with push rod 51 in through-hole 21, and one end that push rod 51 is located in sampler barrel 3 is vertically fixedly connected with
Push plate 52, the one end of push rod 51 far from push plate 52 are connect with the axial thread of annular plectrum 12.21 inner wall of through-hole is along its axis side
To limiting slot 211 is symmetrically arranged with, the rotating block 511 being adapted to limiting slot 211 is fixedly connected on push rod 51.Pass through rotation annular
Plectrum 12, so that push rod 51 moves down in through-hole 21, to drive push plate 52 to move down and squeeze soil sample.Rotating block
511 and limiting slot 211 setting so that annular plectrum 12 push rod 51 is not easy to rotate in the course of rotation, to improve push rod
51 downward thrusts.
As shown in Figure 1, its circumferential direction of the outer lateral edge of annular plectrum 12 goes into battle and shows several card slots 122, card slot 122 can increase
Frictional force between annular plectrum 12 and operator's finger, and then prevent operator's hair when stirring annular plectrum 12
It is raw to skid, to further improve the efficiency that operator operates push rod 51.
As shown in Fig. 2, pressing mechanism 5, during being pressed down against soil sample, soil sample is easy to fall from sample tap, therefore needs
Stock stop 4 is equipped at sample tap to prevent soil sample from falling.Stock stop 4 includes the waist opened up along 1 axis direction of handle
Shape hole 14(is referring to Fig. 3), kidney slot 14 is located at the both ends of handle 1, and towards pull rod 2.Ring is set on the lateral wall of annular plectrum 12
There is winding slot 121.Sliding is connected with mobile bar 41 in kidney slot 14, is equipped with drawstring 412 between mobile bar 41 and annular plectrum 12,
One end of drawstring 412 is fixedly connected with mobile bar 41, and the other end is fixedly connected with the slot bottom of winding slot 121.12 turns of annular plectrum
Drawstring 412 is wrapped in winding slot 121 when dynamic, drawstring 412 pulls mobile bar 41 in kidney slot 14 during winding
Sliding.
As shown in figure 3, the opposite lateral edge of kidney slot 14 its open up direction equipped with sliding slot 141, it is fixed in mobile bar 41 to connect
It is connected to the sliding block 411 being adapted to sliding slot 141.The setting of sliding slot 141 and sliding block 411 so that mobile bar 41 drawstring 412 pulling force
Lower movement is more steady.
As shown in Fig. 2, mobile bar 41 is equipped with sleeve 42 far from one end of handle 1, sleeve 42 is towards one end of mobile bar 41
The shifting chute 421 slid for mobile bar 41 is offered, the opening of shifting chute 421, which extends internally, limited block 422, mobile bar 41
The baffle 413 contradicted with limited block 422 is outward extended with positioned at one end of shifting chute 421.
As depicted in figs. 1 and 2, sleeve 42 is respectively perpendicular far from one end of mobile bar 41 and is fixedly connected with striker plate 423.Set
The side wall of cylinder 42 is equipped with pin hole 424, and mobile bar 41 is equipped with corresponding with pin hole 424, and internal diameter is equal with 424 internal diameter of pin hole
Location hole 414.Bolt 4241 is plugged in pin hole 424.When mobile bar 41 slides and location hole 414 and pin hole in sleeve 42
424 pairs are fixedly connected with mobile bar 41 with sleeve 42 by bolt 4241 when corresponding, at this point, the height of mobile bar 41 and sleeve 42
The sum of it is equal with the sum of the height of sampler barrel 3 with pull rod 2, therefore, when two mobile bars 41 are mobile to 2 direction of pull rod respectively,
Two striker plates 423 just block the sample tap of sampler barrel 3, so that soil sample is not easy to fall.When bolt 4241 takes out, sleeve
42 can rotate around mobile bar 41, so that two striker plates 423 are respectively further from sampler barrel 3, when sampling, operator can divide
Striker plate 423 is not slammed, and mobile bar 41 slides in shifting chute 421 during pull rod 2 is downsampled, plays to pull rod 2
Guiding role, so that sampling is more steady.
As shown in figure 4, one of striker plate 423 inwardly opens up fluted 4231, another striker plate 423 be equipped with
The convex block 4232 that groove 4231 is adapted to.When convex block 4232 is embedded into groove 4231, it is not susceptible between two striker plates 423
The phenomenon that mutual dislocation, and two combinations of striker plates 423 are even closer.
As shown in Figure 1, sleeve 42 is equipped with the curved portion being bonded with 3 lateral wall of sampler barrel towards the side of striker plate 423
425.When two pieces of striker plates 423 block sample tap, curved portion 425 is just bonded with the lateral wall of sampler barrel 3, so that push rod
51(is referring to fig. 2) when being pressed down against soil sample, sampler barrel 3 is not easy to shake, more stable.
As depicted in figs. 1 and 2, it is equipped with holding tank 313 on the inner sidewall of sampler barrel 3, is fixedly connected in holding tank 313
Air bag 32, and air bag 32 is equipped with gas nozzle 321, sampler barrel 3 is equipped with the perforation 33 being pierced by for gas nozzle 321.It is filled when in air bag 32
When full gas, air bag 32 squeezes the side wall of soil sample；When not inflating in air bag 32, air bag 32 is located in holding tank 313, not shadow
It rings to sampler barrel 3 and samples.
As shown in figure 4, striker plate 423 is equipped with several drainage holes 4233.When push plate 52 and about 423 striker plate squeeze soil
When sample, air bag 32 squeeze the side wall of soil sample into shape, the moisture in soil sample is discharged from drainage hole 4233 under the effect of the pressure.For
Make soil sample be not easy to be discharged from drainage hole 4233 in extrusion process, filter screen 4234 is equipped in drainage hole 4233, thus
The accuracy of experiment can be improved.
Specific implementation process: for soil sample collector before use, push plate 52 is located at the upper end of sampler barrel 3, mobile bar 41 distinguishes position
In the both ends of handle 1, and striker plate 423 is directed away from the side of sampler barrel 3, and bolt 4241 also takes out from pin hole 424.
Sampler barrel 3 is perpendicular to the ground, and operator's foot steps on striker plate 423, and firmly sampler barrel 3 is inserted into soil, is made
It obtains mobile bar 41 to move down in sliding slot 141, pull rod 2 is moved down and plays guiding role, after sampling, by sampler barrel
3 extract from soil.Rotational sleeve 42, so that striker plate 423 rotates annular plectrum 12, so that drawstring towards sampler barrel 3
412 difference coiling are on winding slot 121, and drawstring 412 pulls mobile bar 41 mobile to 2 direction of pull rod during coiling, set
Cylinder 42 moves closer to sampler barrel 3 under the action of mobile bar 41, is embedded into convex block 4232 in groove 4231, striker plate
423 withstand sample tap.In the process of moving, the push rod 51 being threadedly coupled with annular plectrum 12 is to moving down for striker plate 423
Dynamic, so that push plate 52 is pressed down against soil sample, the speed that push rod 51 pushes down on is less than the mobile speed of striker plate 423.Finally lead to
It crosses gas nozzle 321 to inflate into air bag 32, the side wall of soil sample is squeezed, the moisture in extrusion process is from 4233 row of drainage hole
Out, to improve the accuracy of soil sample experiment.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of soil sample collector, including handle (1), pull rod (2) and sampler barrel (3), the pull rod (2) are fixed on handle (1)
Middle part, and the axis of pull rod (2) is vertical with the axis of handle (1), and the sampler barrel 3 is fixed on pull rod (2) far from handle (1)
One end, it is characterised in that: be equipped with cavity (11) in the handle (1), be equipped in the cavity (11) and handle (1) rotation connects
The annular plectrum (12) connect, and annular plectrum (12) and pull rod (2) coaxial line, the handle (1) are equipped with for annular plectrum
(12) opening (13) being pierced by；
The both ends of the handle (1) are respectively equipped with stock stop (4)；
The axial direction of the annular plectrum (12) is equipped with pressing mechanism (5).
2. a kind of soil sample collector according to claim 1, it is characterised in that: it is described annular plectrum (12) outer lateral edge its
It circumferentially goes into battle and shows several card slots (122).
3. a kind of soil sample collector according to claim 2, it is characterised in that: the stock stop (4) includes being provided with
For handle (1) towards the kidney slot (14) of pull rod (2), the kidney slot (14) is interior to be equipped with mobile bar (41), the annular plectrum
(12) it is equipped on lateral wall winding slot (121), the mobile bar (41) is fixedly connected with drawing far from the one end of sampler barrel (3)
It restricts (412), the drawstring (412) is fixedly connected far from the one end of mobile bar (41) with the slot bottom of winding slot (121)；
The mobile bar (41) is respectively equipped with sleeve (42) far from the one end of handle (1), and the sleeve (42) is close to mobile bar
(41) one end offers the shifting chute (421) for mobile bar (41) sliding, the one end of the mobile bar (41) far from handle (1)
It is outward extended with baffle (413), the opening of the shifting chute (421), which extends internally, the limit of baffle (413) conflict
Block (422), the sleeve (42) are respectively perpendicular far from the one end of mobile bar (41) and are fixedly connected with striker plate (423), the set
Cylinder (42) is equipped with pin hole (424), and the mobile bar (41) is equipped with location hole (414) identical with pin hole (424) internal diameter, institute
It states in pin hole (424) and is equipped with bolt (4241)；
When pin hole (424) is overlapped with location hole (414), the height of mobile bar (41) and sleeve (42) and with pull rod (2) and take
The height of sample cylinder (3) and equal.
4. a kind of soil sample collector according to claim 3, it is characterised in that: the opposite lateral edge of the kidney slot (14)
It opens up direction and is equipped with sliding slot (141), is fixedly connected with the sliding block (411) being adapted to sliding slot (141) on the mobile bar (41).
5. a kind of soil sample collector according to claim 4, it is characterised in that: one of them described striker plate (423) is remote
One end from sleeve (42) opens up fluted (4231), another described striker plate (423) is equipped with and is adapted to groove (4231)
Convex block (4232).
6. a kind of soil sample collector according to claim 5, it is characterised in that: the sleeve (42) is close to striker plate
(423) side is equipped with the curved portion (425) being bonded with sampler barrel (3).
7. a kind of soil sample collector according to claim 4, it is characterised in that: the pressing mechanism (5) includes along pull rod
(2) through-hole (21) being axially arranged, and through-hole (21) is connected to sampler barrel (3), is equipped with and annular plectrum in the through-hole (21)
(12) push rod (51) being threadedly coupled, one end of the push rod (51) is vertically fixedly connected with push plate (52), and push plate (52) position
In sampler barrel (3)；
Through-hole (21) inner wall is symmetrically arranged with limiting slot (211) along its axis direction, and the push rod (51) is equipped with and limit
The rotating block (511) of slot (211) adaptation.
8. a kind of soil sample collector according to claim 7, it is characterised in that: ring on the inner sidewall of the sampler barrel (3)
It equipped with holding tank (31), is fixedly connected with air bag (32) in the holding tank (31), the air bag (32) is equipped with gas nozzle
(321), the sampler barrel (3) is equipped with the perforation (33) being pierced by for gas nozzle (321).
9. a kind of soil sample collector according to claim 8, it is characterised in that: the striker plate (423) is equipped with several
Drainage hole (4233).
10. a kind of soil sample collector according to claim 9, it is characterised in that: be equipped in the drainage hole (4233)
Strainer (4234).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022859.7A CN109030078B (en) | 2018-09-03 | 2018-09-03 | Soil sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022859.7A CN109030078B (en) | 2018-09-03 | 2018-09-03 | Soil sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109030078A true CN109030078A (en) | 2018-12-18 |
| CN109030078B CN109030078B (en) | 2021-05-04 |
Family
ID=64623106
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811022859.7A Active CN109030078B (en) | 2018-09-03 | 2018-09-03 | Soil sampler |
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| CN (1) | CN109030078B (en) |
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| CN110231193A (en) * | 2019-07-09 | 2019-09-13 | 河北工程大学 | A kind of soil rapid sampling attachment |
| CN110726588A (en) * | 2019-12-03 | 2020-01-24 | 张瑞钦 | Drilling and coring device for road construction |
| CN111207951A (en) * | 2020-03-04 | 2020-05-29 | 生态环境部华南环境科学研究所 | Low-disturbance soil sampling device and sampling method thereof |
| CN114018633A (en) * | 2021-12-15 | 2022-02-08 | 哈尔滨学院 | Sampling device for detecting organic matter content of ecological soil |
| CN117288926A (en) * | 2023-11-27 | 2023-12-26 | 西安蓝图地理科技股份有限公司 | Soil collection device based on soil remediation is used |
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| CN109813567B (en) * | 2019-01-01 | 2022-04-01 | 中国人民解放军63653部队 | Cylindrical handheld sampler for layered collection of dry loose soil |
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| CN114018633B (en) * | 2021-12-15 | 2023-09-15 | 哈尔滨学院 | Sampling device for detecting organic matter content of ecological soil |
| CN117288926A (en) * | 2023-11-27 | 2023-12-26 | 西安蓝图地理科技股份有限公司 | Soil collection device based on soil remediation is used |
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