CN106248424A - A kind of great burying soil sampling apparatus - Google Patents
A kind of great burying soil sampling apparatus Download PDFInfo
- Publication number
- CN106248424A CN106248424A CN201610916517.4A CN201610916517A CN106248424A CN 106248424 A CN106248424 A CN 106248424A CN 201610916517 A CN201610916517 A CN 201610916517A CN 106248424 A CN106248424 A CN 106248424A
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- Prior art keywords
- soil
- cutting ring
- drill bit
- inwall
- cutting
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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
Abstract
The present invention provides a kind of great burying soil sampling apparatus, including: handle, for hollow structure, above handle and in hollow structure, it is provided with capstan winch；Drill bit, including inwall, inwall includes that upper strata groove and lower bay, the upper section of upper strata groove and drill bit form the first space separately, lower bay forms second space separately with the lower section of drill bit；Inwall is installed on cutting ring, and is fastened between upper strata groove and lower bay, is used for fetching earth；Connecting rod, is inside provided with two L-type steel wires；The horizontal component of two L-type steel wires is separately positioned on the first space and second space, cuts the soil on the upper and lower surface of cutting ring under the drive at the capstan winch rotated.After apparatus of the present invention are buried, it is possible to complete the cutting of the soil body under the conditions of the soil pressure keeping great burying soil.So can be prevented effectively from soil pressure and discharge the deformation that the soil in cutting ring is caused, thus the relevant feature parameters of the pedotheque of guarantee acquirement is accurate, and then measure the relevant feature parameters of deep soil accurately.
Description
Technical field
The present invention relates to agrology experimentation apparatus field, particularly relate to a kind of great burying soil sampling apparatus.
Background technology
Soil physical parameters and HYDRODYNAMIC CHARACTERISTICS parameter thereof are the important evidence of research Soil Hydrological Process.In order to obtain soil
Earth physical parameter and HYDRODYNAMIC CHARACTERISTICS parameter thereof, general employing original-pack soil sampling.At present, along with the large scale mining of subsoil water,
The groundwater level depth in the North China Plain is down to present 8～30m by the 2～15m of 20 century 70s, and some areas are even up to
56m.So, the decline of level of ground water makes the depth of investigation of Soil Hydrological Process be extended to more than 20 from original several meters
The scope that rice is the biggest.
And along with the increase of the depth of investigation, the soil pressure that soil is subject to also is increasing.The increase of soil pressure makes the soil water
Divide the structural adjustment in transmitting procedure limited, thus affect the soil moisture characteristics such as the moisture conduction of soil in turn.
So for the soil sample under big buried environment, traditional undisturbed soil sampling device is generally contained in brill
The cutting ring of head inwall, wherein, the upper and lower interface of cutting ring is fitted completely with inwall gapless.Use this cutting ring sampling structure, will
When soil is fetched into ground in the environment of relatively deep, owing to cutting ring is the most bottomless hollow structure, and the two ends of cutting ring are not
Can pressurize to the soil body.So, after once having fetched earth, the pressure originally caused the soil body of sampling under soil will lose suddenly
Lose.So that the deep soil being sampled to ground such as expands at the deformation, and then make soil physical parameters, the soil measured
The parameter distortions such as hydrodynamic parameter, are unfavorable for soil analysis.
As can be seen here, when soil sampling appts of the prior art being applied directly in the environment of great burying, generally deposit
In sampling soil expansion, soil parameters distortion, the problem being unfavorable for soil analysis.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of great burying soil sampling apparatus, existing to solve
When soil sampling appts in technology is applied directly in the environment of great burying, existing sampling soil expands, soil parameters
Distortion, the problem being unfavorable for soil analysis.
In order to solve the problems referred to above, according to an aspect of the present invention, the invention discloses a kind of great burying soil sample
Device, including:
Handle, for hollow structure, is provided with capstan winch 4 above described handle and in described hollow structure；
Drill bit, including inner and outer wall, described inwall includes upper strata groove and lower bay, wherein, described upper strata groove
Form the first space separately with the upper section of described drill bit, described lower bay is formed separately with the lower section of described drill bit
Second space；Wherein, described inwall is installed on cutting ring, and described cutting ring is hollow and the rounded cylindrical structure of upper and lower cross section opening,
And be fastened between described upper strata groove and described lower bay and fit with described inwall, it is used for fetching earth；
Connecting rod, for being connected to the hollow structure between described handle and described drill bit, is inside provided with two L-type steel wires；Its
In, the vertical component of described two L-type steel wires is all located in described connecting rod, and the upper section of described vertical component is located in
In the hollow structure of described handle, and described upper section is connected with described capstan winch 4, and the horizontal component of described two L-type steel wires divides
It is not arranged on described first space and described second space, for cutting described cutting ring under the drive of the described capstan winch 4 rotated
The soil on upper and lower surface.
Compared with prior art, the embodiment of the present invention includes advantages below:
Technical scheme by means of the above embodiment of the present invention, it is possible to after having fetched earth, empty by the first space and second
The soil of cutting ring is pressurizeed by the soil being positioned between on cutting ring on lower section, say, that use great burying soil of the present invention
After sampler buries, it is possible to just complete the cutting of the soil body under the conditions of the basic soil pressure keeping great burying soil.Thus keep away
The soil having exempted to take under big buried environment expands without ambient pressure because arriving ground, causes asking of soil parameters distortion
Topic；Meanwhile, by arranging the horizontal component of L-type steel wire in the first space and second space, it is possible to carry out soil analysis at needs
Before, the soil maintaining reset pressure in the cutting ring needed for acquisition, it is possible to ensure the accuracy that soil parameters is analyzed.The most both
It is avoided that cutting ring soil at both sides cracky during the cutting ring sample of conventional art, before utilizing cutting ring test, needs that repairs to ask
Topic, meanwhile, is avoided that again soil pressure discharges the deformation causing the soil in cutting ring.Thus the phase of the pedotheque of guarantee acquirement
Pass characteristic parameter is accurate, and then measures the relevant feature parameters of deep soil accurately.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of great burying soil sampling apparatus of the embodiment of the present invention；
Fig. 2 is a kind of handle and the enlarged diagram of capstan winch of the embodiment of the present invention；
Fig. 3 is the enlarged diagram of a kind of drill bit of the embodiment of the present invention；
Fig. 4 is the enlarged diagram of a kind of connecting rod of the embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
With reference to Fig. 1, it is shown that the schematic diagram of a kind of great burying soil sampling apparatus embodiment of the present invention, according to the present invention
The great burying soil sampling apparatus of embodiment specifically includes:
Handle 1, for hollow structure, Fig. 2 is about handle 1 and the enlarged diagram of capstan winch 4 in Fig. 1, sees figures.1.and.2,
Above described handle 1 and described hollow structure all in be provided with capstan winch 4；Further, handle 1 and capstan winch 4 all can rotate.
Drill bit, Fig. 3 is the enlarged diagram of drill bit in Fig. 1, and with reference to Fig. 1 and Fig. 3, this drill bit includes inwall 6 and outer wall 5,
Between this inwall 6 and outer wall 5 can be solid construction can also be hollow structure, in various embodiments can be according to reality
Need to arrange flexibly；
Wherein, described inwall 6 includes upper strata groove (not shown) and lower bay (not shown), and wherein, described upper strata is recessed
The upper section of groove and described drill bit forms the lower section shape separately of the first space, described lower bay and described drill bit separately
Become second space；
Wherein, described inwall 6 is also installed on cutting ring 7, and described cutting ring 7 is hollow and the rounded cylindrical of upper and lower cross section opening
Structure, and be fastened between described upper strata groove and described lower bay and fit with described inwall 6, it is used for fetching earth；
In the present embodiment, this upper strata groove and lower bay are for being fastened on cutting ring 7 in the inwall 6 of drill bit, therefore,
The shape of upper strata groove and lower bay can be identical or different, their shape can be ring groove can also be that sawtooth is recessed
Groove, as long as cutting ring 7 can be fastened on inwall 6 by they.Therefore, the present invention is for upper strata groove and the shape of lower bay
Shape, structure are also not especially limited.
Connecting rod 2, Fig. 4 is the enlarged diagram of connecting rod in Fig. 1, and with reference to Fig. 1 and Fig. 4, this connecting rod is for being connected to
State the hollow structure between handle 1 and described drill bit, be inside provided with two L-type steel wires (Fig. 1 has been diagrammatically only by out a L-type steel wire 8)；
Wherein, the vertical component 8a of described two L-type steel wires is all located in described connecting rod, and the upper section of described vertical component is worn
It is located in the hollow structure of described handle 1, and described upper section is connected with described capstan winch 4, the horizontal part of described two L-type steel wires
It is separately positioned on described first space and described second space (illustrating a steel wire being positioned at the first space A here),
For when capstan winch 4 rotates, the soil cutting the described upper and lower surface of cutting ring 7 under the drive of described capstan winch 4 (is i.e. positioned at first
Space, second space the soil of upper lower section beyond cutting ring 7).
And when utilizing the operation that above-mentioned great burying soil sampling apparatus specifically fetches earth, can be by turning handle 1
Drill bit is pierced in the most buried soil, so that the cutting ring 7 of drill bit internal fetches earth；Wherein, due to cutting ring 7 upper lower section with
All Existential Space between the upper lower section of drill bit, so, when drill bit takes out from the most buried soil, cutting up and down of cutting ring 7
The most buried soil all can be covered with, then the soil being positioned at the first space and second space will be to cutting ring 7 above face
Soil plays the effect keeping pressure.So after brill soil completes, big buried soil sampling apparatus arrives on ground, due to first
Soil in cutting ring 7 will be played the effect keeping pressure by the soil of space and second space, thus in cutting ring 7 can be made
Soil is in boring the soil in the soil pressure under big buried environment residing during soil, i.e. cutting ring 7 can be many by upper lower section
Remaining soil pressurization, this force value is identical with the reset pressure under big buried environment, and the soil of sampling thus can be avoided to arrive
Expand because losing pressure after reaching ground, cause soil parameters distortion, the problem being unfavorable for soil analysis.
Then, under the conditions of the soil in cutting ring 7 keeps the soil pressure of great burying soil substantially, by means of above-mentioned two L
Shaped steel wire completes cutting to the soil of lower section on cutting ring 7, has the most both been avoided that the cutting ring sample process medium ring of conventional art
Cutter soil at both sides cracky, the problem needing before utilizing cutting ring test to repair, meanwhile, it is avoided that again soil pressure discharges cutting ring 7
The deformation that interior soil causes.Thus the relevant feature parameters of the pedotheque of guarantee acquirement is accurate, and then measure deep accurately
The relevant feature parameters of layer soil.
Further, since needing the soil being analyzed is to be positioned at the soil within cutting ring 7, therefore, carrying out soil analysis
Before, in addition it is also necessary to remove and be positioned at soil unnecessary on lower section on cutting ring 7, at this moment steel wire 8 can be made to receive by rotating capstan winch 4
Tightly, owing to being positioned at the horizontal component that steel wire is L-type in the first space and second space, thus can be by unnecessary soil cutting
Fall, thus obtain the soil in the cutting ring 7 of soil analysis.
Technical scheme by means of the above embodiment of the present invention, it is possible to after having fetched earth, empty by the first space and second
The soil of cutting ring pressurizes by the soil being positioned between on cutting ring on lower section, it is to avoid take from soil under big buried environment because of
Expand without ambient pressure, the problem causing soil parameters distortion for arriving ground；Meanwhile, by the first space and second
Space arranges the horizontal component of L-type steel wire, it is possible to before needs carry out soil analysis, and maintaining in the cutting ring needed for acquisition is former
The soil of beginning pressure, it is possible to ensure the accuracy that soil parameters is analyzed.
With continued reference to Fig. 1～4, on the basis of above-described embodiment, the embodiment of the present invention big is discussed further below
Buried depth soil sampling apparatus.
Alternatively, in one embodiment, for cutting described two L-type steel of the soil on the upper and lower surface of described cutting ring
The horizontal component of silk can be fastened on described upper strata groove and described lower bay before cutting soil respectively.
Accordingly, in the present embodiment, steel wire 8 cuts cutting ring 7 upper surface cover for tightening up when capstan winch 4 rotates
Unnecessary soil, and cutting soil before, the horizontal component 8b of this steel wire 8 is that the upper strata being fastened on and being positioned at the first space A is recessed
In groove；For tightening up when capstan winch 4 rotates, the unnecessary soil that cutting ring 7 lower surface covers is cut for unshowned another
The steel wire 8 of earth, its horizontal component is then to be positioned in the lower bay of second space B.
So, when steel wire 8 does not uses, steel wire 8 can be made to have the position that can block in drill bit, it is to avoid at great burying
When soil sampling apparatus moves, this steel wire rocks at drill bit internal and damages all parts that can collide.
In the present embodiment, the riding position used when not using for steel wire 8 uses existing for card
Live the levels groove of cutting ring 7, so on the one hand can save the manufacturing cost of great burying soil sampling apparatus, on the other hand can
To avoid arranging more notch in the drill bit that volume is less；Certainly, in different embodiments, those skilled in the art is also
According to actual needs other can be set at drill bit internal and can block the miscellaneous part of steel wire 8 in the steel wire 8 not used time, its
Wanting to keep steel wire 8 not rock, the present invention is to this and is not specifically limited.
Alternatively, in another embodiment, when rotating capstan winch taut wire to the soil cutting on lower section on cutting ring
After completing, rocking in first or second space in order to avoid steel wire equally, the inwall of drill bit according to embodiments of the present invention is also
Including the first inside groove and the second inside groove, wherein, described first inside groove be positioned at described upper strata groove and described drill bit upper section it
Between, described second inside groove is between the lower section of described lower bay and described drill bit；And be used for cutting described cutting ring,
The horizontal component of described two L-type steel wires of the soil of lower surface cutting soil after be fastened on respectively described first inside groove and
Described second inside groove.
Accordingly, in the present embodiment, with reference to Fig. 1 and Fig. 3, there is illustrated be positioned at upper strata groove and drill bit upper section it
Between the first inside groove 9a and the second inside groove 9b between lower bay and drill bit lower section, so, when steel wire 8 is to unnecessary
After soil has cut, it is possible to automatic clamping is located in the inside groove of correspondence.
Alternatively, in another embodiment, the L corner part of described two L-type steel wires is circular arc type, described L turning
Part has smooth surface, so when the horizontal component of steel wire is when cutting soil, due to horizontal component and upper and lower section of cutting ring
The soil in face directly contacts, if this L corner part is perpendicular type, then this right angle is easy to abrasion so that steel wire breaks
Split.Therefore, in the present embodiment L corner part is made circular arc type so that this turning soil of avoiding and cutting or its
He directly contacts part, extends the service life of steel wire.
Accordingly, with reference in the embodiment shown in Fig. 1 and Fig. 3, the L-type corner part 8b of this L-type steel wire 8 is circular arc type,
So can extend the service life of steel wire 8.
Certainly, although the most only define that L corner part is circular arc type and has smooth surface, but
It is in different embodiments, according to actual needs can be by steel wire 8 easily contact miscellaneous part or soil in rotation process
Various piece is all made circular arc type and has smooth surface, thus improves the service life of steel wire 8 further.
It addition, in one embodiment, cutting ring and drill bit directly can be carried out integrated setting, i.e. with reference to above-mentioned enforcement
Cutting ring is made to be stuck in drill bit by arranging two-layer groove described in example.
Certainly, in another embodiment, in order to change cutting ring at any time, it is also possible to cutting ring and drill bit are arranged to non-
Integrated setting, specifically, can be respectively provided with opening and open with described in the same side of described inwall and described outer wall
The cover plate that mouth is supporting, and the size of this opening is more than the size of this cutting ring.Described opening is for installing described cutting ring in institute
State inwall and described cutting ring is taken out from described inwall 6；Described cover plate is for being fixed on described inwall by described cutting ring.
Specifically, by arranging this opening, when needs fetch earth from underground, cutting ring is inserted into the inwall of drill bit；That
In order to remain stationary as in drill bit during fetching earth in underground at cutting ring, therefore, it is also desirable to arrange supporting with this opening size
Cover plate, cutting ring can be made to remain stationary as at drill bit internal by covering this cover plate, improve soil extracting efficiency；Meanwhile, also it is cutting ring
The effect reaching fixing in drill bit provides and further ensures.
Additionally, in the present embodiment, with reference to Fig. 1 and Fig. 3, drill bit according to embodiments of the present invention is hollow, rounded cylindrical
Structure, and the described lower section of described drill bit is hatch frame, so when drill bit is got into underground by turning handle 1, soil is
Cutting ring 7 can be entered by the lower section of drill bit.
Optionally, cutting ring 7 is also rounded cylindrical structure, and cutting ring 7 so can be made to be easier to the inwall 6 of laminating and drill bit；
Additionally, the embodiment of the present invention for drill bit and the shape of the tubular structure of cutting ring 7 and is not specifically limited, they can be round
Shape, can also be other shapes such as polygon, as long as they are the hollow structures of lower section opening.
Optionally, in the present embodiment, with reference to Fig. 1 and Fig. 4, connecting rod 2 according to embodiments of the present invention can include many
Individual threaded sub-connecting rod 2a, 2b, 2c.Wherein, for any one sub-connecting rod, the junction of its one end has appearance
Face screw thread, the junction of the other end has inner surface screw thread, so can ensure that any two supporting connection of sub-connecting rod.
And during actual fetching earth, the sub-connecting rod that can connect varying number along with the deep degree of depth difference boring soil is come
Constitute the connecting rod of different length；During fetching earth, if it find that when the length of front rod is inadequate, can directly go up most
Increase sub-connecting rod at the sub-connecting rod of end and extend the length of connecting rod, thus continue to bore soil, and without by drill bit from soil
Middle taking-up, improves the convenience fetched earth.
It addition, when using the great burying soil sampling apparatus shown in Fig. 1 to fetch earth from big buried environment, meanwhile, also
By steel wire 8, the soil of lower section on cutting ring 7 is cut, then upper and lower at cutting ring 7 immediately after cutting soil completes
Cross section folder upper dankness stone, and the cutting ring 7 clipping permeable stone is put in case, in this box body is enclosed box body, and box body
Be highly thickness and the thickness sum of cutting ring 7 of two pieces of permeable stones, thus ensure the pressure of the soil in cutting ring 7 and cutting ring 7 from
Pressure when taking out in drill bit is identical；It addition, be additionally provided with the pressure transducer being connected with permeable stone in the outside of box body, once examine
Measure the pressure that the pressure of permeable stone is native less than underground when fetching earth under big buried environment, then permeable stone is pressurizeed.
It should be noted that Fig. 2, Fig. 3 and Fig. 4 are the enlarged diagram of different piece in Fig. 1, therefore, Fig. 2～Fig. 4 with
Label identical in Fig. 1 represents identical meaning, the most no longer illustrates one by one for each attached graph laplacian, mutual coherent
Examine.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once knowing base
This creativeness concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to
The all changes including preferred embodiment and falling into range of embodiment of the invention and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only wrap
Include those key elements, but also include other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal unit is intrinsic.In the case of there is no more restriction, by wanting that statement " including ... " limits
Element, it is not excluded that there is also other identical element in including the process of described key element, method, article or terminal unit.
Above to a kind of great burying soil sampling apparatus provided by the present invention, it is described in detail, used herein
Principle and the embodiment of the present invention are set forth by specific case, and the explanation of above example is only intended to help to understand
The method of the present invention and core concept thereof；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, at tool
All will change on body embodiment and range of application, in sum, this specification content should not be construed as the present invention
Restriction.
Claims (10)
1. a great burying soil sampling apparatus, it is characterised in that including:
Handle, for hollow structure, is provided with capstan winch above described handle and in described hollow structure；
Drill bit, including inner and outer wall, described inwall includes upper strata groove and lower bay, wherein, described upper strata groove and institute
The upper section stating drill bit forms the first space separately, described lower bay forms second separately with the lower section of described drill bit
Space；Wherein, described inwall is installed on cutting ring, and described cutting ring is hollow and the rounded cylindrical structure of upper and lower cross section opening, and card
It is located between described upper strata groove and described lower bay and fits with described inwall, being used for fetching earth；
Connecting rod, for being connected to the hollow structure between described handle and described drill bit, is inside provided with two L-type steel wires；Wherein, institute
The vertical component stating two L-type steel wires is all located in described connecting rod, and the upper section of described vertical component is located in described
In the hollow structure of handle, and described upper section is connected with described capstan winch, and the horizontal component of described two L-type steel wires is respectively provided with
At described first space and described second space, for cutting the upper and lower table of described cutting ring under the drive of the described capstan winch rotated
The soil in face.
Device the most according to claim 1, it is characterised in that for cutting the institute of the soil on the upper and lower surface of described cutting ring
The horizontal component stating two L-type steel wires was fastened on described upper strata groove and described lower bay before cutting soil respectively.
Device the most according to claim 1, it is characterised in that described inwall also includes the first inside groove and the second inside groove, its
In, described first inside groove between the upper section of described upper strata groove and described drill bit, described second inside groove be positioned at described under
Between layer groove and the lower section of described drill bit.
Device the most according to claim 3, it is characterised in that for cutting the institute of the soil on the upper and lower surface of described cutting ring
The horizontal component stating two L-type steel wires is fastened on described first inside groove and described second inside groove after cutting soil respectively.
Device the most according to claim 1, it is characterised in that the LL corner part of described two L-type steel wires is circular arc type.
Device the most according to claim 5, it is characterised in that described corner part has smooth surface.
Device the most according to claim 1, it is characterised in that the same side of described inwall and described outer wall is also respectively provided with
There are opening and the cover plate supporting with described opening.
Device the most according to claim 7, it is characterised in that described opening is for installing described cutting ring in described inwall
And described cutting ring is taken out from described inwall；Described cover plate is for being fixed on described inwall by described cutting ring.
Device the most according to claim 1, it is characterised in that described drill bit is hollow circular tubular structure, and described brill
The described lower section of head is hatch frame.
Device the most according to claim 1, it is characterised in that described connecting rod includes multiple threaded son connection
Bar.
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| CN201610916517.4A CN106248424B (en) | 2016-10-20 | 2016-10-20 | Large buried depth soil sampling device |
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| CN201610916517.4A CN106248424B (en) | 2016-10-20 | 2016-10-20 | Large buried depth soil sampling device |
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Cited By (9)
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| CN107091086A (en) * | 2017-05-24 | 2017-08-25 | 中国水利水电科学研究院 | The electronic sampler of original-state soil and system |
| CN107132070A (en) * | 2017-05-24 | 2017-09-05 | 中国水利水电科学研究院 | Great burying original-state soil sampling device and system |
| CN107167338A (en) * | 2017-05-24 | 2017-09-15 | 中国水利水电科学研究院 | Great burying soil sampling apparatus and system based on ultrasonic wave |
| CN107219088A (en) * | 2017-06-01 | 2017-09-29 | 兰州大学 | A kind of original state meadow sample sampler |
| CN108562717A (en) * | 2018-05-09 | 2018-09-21 | 台州创兴环保科技有限公司 | A kind of portable soil pollution diagnosis equipment |
| CN108645996A (en) * | 2018-05-09 | 2018-10-12 | 台州创兴环保科技有限公司 | Soil pollution detection device |
| CN110820714A (en) * | 2019-11-29 | 2020-02-21 | 重庆工程职业技术学院 | Geological survey is with device that fetches earth |
| CN112268738A (en) * | 2020-11-03 | 2021-01-26 | 长江大学 | Convenient laborsaving non-fault soil sampling device |
| CN114136684A (en) * | 2021-11-22 | 2022-03-04 | 安徽农业大学 | Soil sampler and soil sampling method |
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| CN107132070B (en) * | 2017-05-24 | 2024-01-12 | 中国水利水电科学研究院 | Large-burial-depth undisturbed soil sampling device and system |
| CN107219088A (en) * | 2017-06-01 | 2017-09-29 | 兰州大学 | A kind of original state meadow sample sampler |
| CN108562717A (en) * | 2018-05-09 | 2018-09-21 | 台州创兴环保科技有限公司 | A kind of portable soil pollution diagnosis equipment |
| CN108645996A (en) * | 2018-05-09 | 2018-10-12 | 台州创兴环保科技有限公司 | Soil pollution detection device |
| CN110820714A (en) * | 2019-11-29 | 2020-02-21 | 重庆工程职业技术学院 | Geological survey is with device that fetches earth |
| CN110820714B (en) * | 2019-11-29 | 2021-05-18 | 重庆工程职业技术学院 | Geological survey is with device that fetches earth |
| CN112268738A (en) * | 2020-11-03 | 2021-01-26 | 长江大学 | Convenient laborsaving non-fault soil sampling device |
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| CN114136684A (en) * | 2021-11-22 | 2022-03-04 | 安徽农业大学 | Soil sampler and soil sampling method |
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