CN106525484A - Sampling method and sampling device for original state sandy soil - Google Patents
Sampling method and sampling device for original state sandy soil Download PDFInfo
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- CN106525484A CN106525484A CN201610768743.2A CN201610768743A CN106525484A CN 106525484 A CN106525484 A CN 106525484A CN 201610768743 A CN201610768743 A CN 201610768743A CN 106525484 A CN106525484 A CN 106525484A
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- soil
- sandy soil
- sampling
- cutting edge
- applicator
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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 sampling method for original state sandy soil. The method comprises the following steps: assembling a force applicator, a sampling sleeve and a soil taking cutting edge; for the sandy soil to be sampled, cleaning a soil layer covered above the sandy soil; carrying out freezing treatment on a sandy oil area to be sampled to solidify sandy oil in the area; pressing a sampling device for the sandy soil into the soil layer through the force applicator until the whole sampling device is full of a soil sample; clearing a soil body around the sampling device for the sandy soil, and forming an annular empty slot around the sampling device; slightly shaking the sampling device for the sandy soil to separate the sandy soil on the bottom end of the sampling device from the sampling device, and taking the sampling device out of the soil body; disassembling the force applicator, removing the residual soil body on the top end of the sampling sleeve, and installing an upper sealing cover; and disassembling the soil taking cutting edge, removing the residual soil body on the bottom end of the sampling sleeve, and installing a lower sealing cover. The method has the advantages that sampled sandy soil is less disturbed and is unlikely to become loose, and the original state sandy soil can be conveniently sampled, packaged, transported and transferred.
Description
Technical field
The invention belongs to ground exploration engineering field, and in particular to a kind of sandy soil sampling method and its sampler.
Background technology
With the continuous development of the industry large-scale construction projects such as building, municipal administration, traffic, survey and design level has obtained very big
Improve, the requirement to taking soil body sample is also improved therewith.At present for the sampling soil body, often require which maintains the original state.But
The three-phase system that the soil body is made up of solid matter, water and gas, soil structures are comparatively loose, particularly with sandy soil,
As cohesive strength is very little, in sampling operation, specimen enclosure, storage, transportation, easily disturbance destroys its original structure body
System, causes soil body original state sampling difficult, or even sampling failure.
The Chinese patent of Publication No. CN105547743A discloses a kind of original state soil body sampler and sampling method.
But for sandy soil, as its cohesive strength is very little, being sampled using the apparatus and method can be very big to soil sample generation
Disturbance, acquired soil sample can not represent the primary characteristic of sample section soil.Therefore, it is necessary to be optimized on this basis
Improve.Present applicant proposes a kind of original state sandy soil sampling method and its sampler for being suitable for sandy soil sampling.
The content of the invention
To overcome the above-mentioned deficiency of prior art, the present invention to provide a kind of little to sampling sandy soil disturbance, do not easily cause and take
Sample sandy soil is loose, is easy to the sampling of original state sandy soil, encapsulation, transport, the original state sandy soil sampling method of transfer and its sampling dress
Put.
In order to solve above-mentioned technical problem, the present invention adopts following technical scheme：
A kind of original state sandy soil sampling method, it is characterised in that comprise the following steps：
（1）By applicator, sample sleeve, the cutting edge that fetches earth and fit together；
（2）For sandy soil to be sampled, the soil layer covered above which is first cleaned out, cleaning area is not less than
Area to be sampled, the soil layer covered above sandy soil are different according to geology difference；
（3）Sandy soil region to be sampled is carried out into frost process, after sandy soil reaches frost, just by the sand in the region
Property soil is freezing together, and to reach the function of " shaping ", so during subsequent samples sandy soil can be avoided to be disturbed and become
Shape, can keep the original state of soil sample well；
（4）After region to be sampled reaches frost requirement, by the cutting edge that fetches earth of the sandy soil sampler for assembling
Region to be sampled is placed in, operating personnel are exerted a force by applicator, and sandy soil sampler is pressed into soil layer lentamente
In, whole sampler, i.e. soil sample top surface are filled up until soil sample reach the height same with sandy soil sampler top surface；
（5）The soil body around sandy soil sampler is removed, depth is removed total more than or equal to sampler
Depth so that the dead slot of annular is formed around sandy soil sampler；
（6）Lightly rock sandy soil sampler, make the sandy soil of sandy soil sampler bottom be easier to it is destroyed so as to
Depart from sandy soil sampler, now just sandy soil sampler can be taken out from the soil body；
（7）Applicator is pulled down, then removes the unnecessary soil body in sampling sleeve top, the unnecessary soil body was located in applicator originally,
Then seal closure is installed on the top of sampling sleeve；
（8）The cutting edge that fetches earth is pulled down, then removes the unnecessary soil body of sampling sleeve bottom end, the unnecessary soil body was located at the cutting edge that fetches earth originally
It is interior, lower sealing lid is installed in the bottom of sampling sleeve then, whole sampling process is completed.
In step（3）In, freezing the method for processing is, frost pipe is imbedded in pending stratum, and frost pipe is enclosed
A circle is formed around sandy soil region to be sampled, freezing liquid is input in frost pipe, with by this grittiness surrounded by frost pipe
Native region frost shaping；
The paliform of the frost pipe arrangement squarely broken pipe connection, improves and soil to be sampled while forming certain altitude
Contact area.
Further, step（3）After beginning, in step（4）Before, also comprise the steps：After frost comes into effect, note
The surrounding soil in region to be sampled is protected, interference is produced with the sandy soil for reducing its region to being sampled as far as possible.
Further, in step（7）In, the unnecessary soil body in sampling sleeve top is rooted out using perching knife；In step（8）In, make
The unnecessary soil body of sampling sleeve bottom end is rooted out with perching knife.
Implement a kind of original state sandy soil sampler of above-mentioned sampling method, including frost pipe, applicator, sample sleeve,
Fetch earth cutting edge, upper seal closure, lower sealing lid, and the frost pipe forms a circle around sandy soil region to be sampled, described to take
Sample sleeve is both ends open structure, and the lower end of the applicator is detachable affixed with the upper end of sampling sleeve, and the sampling covers
The lower end of cylinder is detachable with the upper end of the cutting edge that fetches earth affixed, and the cutting edge that fetches earth includes the annular blade in sharpening shape downwards,
The cutting edge that fetches earth is communicated with sampling sleeve；
The upper seal closure and remove after applicator sampling sleeve upper end coordinate, the lower sealing lid with remove the cutting edge that fetches earth
The lower end of sampling sleeve afterwards coordinates.
Further, the frost pipe connection freezing liquid storage bin, confession of the freezing liquid storage bin by Valve controlling freezing liquid
Give.
Further, the paliform of the frost pipe arrangement squarely broken pipe connection, improve while forming certain altitude with
The contact area of soil to be sampled.
As one kind preferably, the lower end of the applicator and the detachable clamping in upper end for sampling sleeve, the sampling set
Lower end detachable clamping with the upper end of the cutting edge that fetches earth of cylinder, and make applicator, sample in sleeve, the inner chamber of the cutting edge three that fetches earth
Footpath is identical, to reduce the disturbance into soil extruding and to the soil body；
Specifically, it is circumferentially spaced on the inwall of the upper and lower end of the sampling sleeve to be disposed with bayonet socket, under the applicator
Be respectively equipped with fixture block with the bayonet fittings on the outer wall of the upper end of end and the cutting edge that fetches earth, the upper end of the sampling sleeve and
There is ledge structure respectively in the inner end of bayonet socket on the inwall of lower end, the thickness and applicator of ledge structure, the cutting edge that fetches earth are inserted
The thickness for entering part is identical so that applicator, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical, and then reduce into soil
Extruding and the disturbance to the soil body.
As another preferably, the lower end of the applicator is connected with the threaded upper ends of sampling sleeve, the sampling sleeve
Lower end be connected with the threaded upper ends of the cutting edge that fetches earth, and make applicator, sample the inner chamber internal diameter phase of sleeve, the cutting edge three that fetches earth
Together, reducing into soil extruding and disturbance to the soil body；
Specifically, internal thread is equipped with the inwall of the upper and lower end of the sampling sleeve, the lower end of the applicator and fetch earth
The external screw thread with the screw-internal thread fit is respectively equipped with the outer wall of the upper end of cutting edge, the top and bottom of the sampling sleeve
There is ledge structure, the thickness and applicator of ledge structure, the insertion section of the cutting edge that fetches earth respectively in the inner end of internal thread on inwall
Point thickness it is identical so that applicator, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical, and then reduce into native extruding
With the disturbance to the soil body.
Preferably, the upper surface and lower surface of the sampling sleeve is equipped with bayonet socket, the lower end of the collar of the applicator
Face is provided with the buckle with the bayonet fittings of the upper surface of sampling sleeve, and the upper surface of the cutting edge that fetches earth is provided with and sampling sleeve
The buckle of the bayonet fittings of lower surface.
Further, the applicator include for force power transmission handle and be fixed on the collar of power transmission handle lower end,
The collar is communicated with sampling sleeve, and the lower end of the collar is detachable affixed with the upper end of sampling sleeve；The collar of applicator, take
Sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical.
The beneficial effects of the present invention is：Frost pipe is formed into a circle around sandy soil region to be sampled, in frost
Freezing liquid is input in pipe, frost process is carried out to sandy soil region to be sampled, is then sampled, so, before sampling just
Sandy soil is shaped, the prototype structure of sandy soil is protected, then, during sampling, sandy soil is not easily caused and disturbed
It is dynamic, the original state of sandy soil can be kept well.Disturbance is not easily caused in encapsulation afterwards, transport, transfer process equally.
Description of the drawings
Fig. 1 is a kind of structure chart of the applicator of original state sandy soil sampler embodiment one of the present invention.
Fig. 2 is a kind of structure chart of the sampling sleeve of original state sandy soil sampler embodiment one of the present invention.
Fig. 3 is the upper surface schematic diagram of sampling sleeve shown in Fig. 2.
Fig. 4 is a kind of sectional view of the cutting edge that fetches earth of original state sandy soil sampler embodiment one of the present invention.
Fig. 5 is a kind of stereogram of the cutting edge that fetches earth of original state sandy soil sampler embodiment one of the present invention.
Fig. 6 is a kind of frost tubular construction figure of original state sandy soil sampler embodiment one of the present invention.
Fig. 7 is a kind of use state figure of original state sandy soil sampler embodiment one of the present invention.
Fig. 8 is the cooperation figure of the lower surface with the upper surface of the cutting edge that fetches earth of the sampling sleeve of embodiment two.
Fig. 9 is the cut-away view after the sampling sleeve vertical profile of embodiment two.
Structure charts of the Figure 10 for the cutting edge that fetches earth of embodiment two.
Specific embodiment
It is to make the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and the embodiments, right
The present invention is described in further detail, it will be appreciated that embodiment described herein is only used for being specifically described the present invention, not structure
Into limitation of the present invention.
Embodiment one
A kind of original state sandy soil sampling method, comprises the following steps：
（1）Applicator 2, sampling sleeve 3, the cutting edge 4 that fetches earth are fitted together, in the present embodiment, applicator 2, sampling sleeve 3,
Fetch earth detachable clamping between cutting edge 4；
（2）For sandy soil to be sampled, the soil layer covered above which is first cleaned out using spade, cleaning area is greater than wanted
The area of sampling, the soil layer covered above sandy soil are different according to geology difference；
（3）Sandy soil region to be sampled is carried out into frost process, after sandy soil reaches frost, just by the sand in the region
Property soil is freezing together, and to reach the function of " shaping ", so during subsequent samples sandy soil can be avoided to be disturbed and become
Shape, can keep the original state of soil sample well；
（4）After frost comes into effect, the surrounding soil in the region for noting protecting to be sampled reduces which to being sampled to try one's best
Region sandy soil produce interference；
（5）After region to be sampled reaches frost requirement, the cutting edge 3 that fetches earth of the sandy soil sampler for assembling is placed in wanted
The region of sampling, operating personnel are exerted a force by applicator 2, and lentamente sandy soil sampler is pressed in soil layer, until soil sample
Fill up whole sampler, i.e. soil sample top surface and reach the height same with sandy soil sampler top surface；Use shape shown in Fig. 7
State figure is not yet fully inserted in the soil body, and the part of label 6 is the sandy soil top layer for cutting out overlying soil；
（6）The soil body around sandy soil sampler is removed using perching knife, aggregate depth of the depth more than or equal to sampler is removed
Degree so that the dead slot of annular is formed around sandy soil sampler；
（7）Lightly double swerve sandy soil sampler, the sandy soil of sandy soil sampler bottom be easier to it is destroyed from
And depart from sandy soil sampler, now just sandy soil sampler can be taken out from the soil body；
（8）Applicator being pulled down, the unnecessary soil body in 3 top of sampling sleeve being rooted out using perching knife, the unnecessary soil body was located at originally and applies
In power device 2, then seal closure is installed on the top of sampling sleeve 3；
（9）The cutting edge 4 that fetches earth being pulled down, the unnecessary soil body in 3 bottom of sampling sleeve being rooted out using perching knife, the unnecessary soil body was located at originally
Fetch earth in cutting edge 4, lower sealing lid is installed in the bottom of sampling sleeve 3 then, whole sampling process is completed；
（10）The outer surface of sampling sleeve 3 is cleaned out.
Afterwards, acquired soil sample can be carried out transporting, be shifted, among soil test.
In step（3）In, freezing the method for processing is, frost pipe 1 is imbedded in pending stratum, and will freeze pipe 1
A circle is formed around sandy soil region to be sampled, freezing liquid is input in frost pipe 1, frost pipe 1 is surrounded with this
The frost shaping of sandy soil region；
The paliform of the frost pipe 1 arrangement squarely broken pipe connection, improves and soil to be sampled while forming certain altitude
Contact area.
The present embodiment forms a circle around sandy soil region to be sampled by pipe 1 is freezed, the input freezing in frost pipe 1
Liquid, carries out frost process to sandy soil region to be sampled, and the pore water in sandy soil and sandy soil to be sampled is freezed,
Then sampled by sandy soil sampler.So, just sandy soil was shaped before sampling, the prototype structure of sandy soil
Protected, then, sandy soil does not easily cause disturbance during sampling, the original state of sandy soil can be kept well.
Encapsulation afterwards, transport, disturbance is not equally easily caused in transfer process.
In the present embodiment, the structure for implementing a kind of original state sandy soil sampler of above-mentioned sampling method is as described below, but
The sampling method is not limited only to the sampler using following structure.
A kind of original state sandy soil sampler, including frost pipe 1, applicator 2, sampling sleeve 3, the cutting edge 4 that fetches earth, upper sealing
Lid, lower sealing lid, in figure, upper and lower seal closure is not shown, and the frost pipe 1 forms one around sandy soil region to be sampled
Circle, the sampling sleeve 3 are both ends open structure, the lower end of the applicator 2 and the detachable card in upper end of sampling sleeve 3
Connect, the lower end of the sampling sleeve 3 is included positioned at top with the detachable clamping in upper end of the cutting edge 4 that fetches earth, the cutting edge 4 that fetches earth
Annulus 41 and from the annular blade 42 in sharpening shape downwards of annulus 41, the cutting edge 4 that fetches earth is communicated with sleeve 3 is sampled；
The upper seal closure and remove after applicator 2 sampling sleeve 3 upper end coordinate, the lower sealing lid with remove the sword that fetches earth
The lower end of the sampling sleeve 3 after mouth 4 coordinates.
The frost pipe 1 connection freezing liquid storage bin 5, supply of the freezing liquid storage bin 5 by Valve controlling freezing liquid.This
In embodiment, as shown in fig. 6, the paliform of the frost pipe 1 arrangement squarely broken pipe connection, carries while forming certain altitude
The high contact area with soil to be sampled.
The applicator 2 includes power transmission handle 21 and the collar 22, and power transmission handle 21 is distributed in the two of the collar 22 in symmetry shape
Side, the power transmission handle 21 in left side in "" shape, used as force section, the lower end of its vertical bar 212 is solid with the collar 22 for its horizon bar 211
Fixed to connect, the upper end closed of the collar 22, the inner chamber of the collar 22 are communicated with sampling sleeve, and when fetching earth, soil sample top surface reaches the collar 22
The height of top surface, the lower end of the collar 22 and the detachable clamping in upper end of sampling sleeve 3.
In the present embodiment, as shown in Figure 2 and Figure 3, sample the upper surface of sleeve 3 and lower surface be equally spaced is provided with bayonet socket 31,
The lower surface of the collar 12 of applicator 2 is provided with the buckle with the cooperation of bayonet socket 31 of the upper surface of sampling sleeve 3, and fetch earth cutting edge 4
Upper surface is provided with the buckle with the cooperation of bayonet socket 31 of the lower surface of sampling sleeve 3, to form detachable clamping relation.Bayonet socket 31
Can also transposition with buckle.
Meanwhile, make the applicator 2 the collar 22, sampling sleeve 3,4 three of cutting edge that fetches earth inner chamber internal diameter it is identical, fetch earth
The annulus 41 of cutting edge 4 is identical with the inner chamber internal diameter of annular blade 42, to reduce the disturbance into soil extruding and to the soil body.
In the present embodiment, concrete size is as follows：
The internal diameter 60mm, external diameter 72mm, thickness 6mm, high 30mm of the collar 22 of force handle 2.
The internal diameter 60mm, external diameter 72mm, high 120mm of sampling sleeve 3.
Fetch earth internal diameter 60mm, external diameter 72mm, the high 50mm of cutting edge 4, and 41 high 20mm of its annulus starts to cut from 41 lower end of annulus
If annular blade 42.
During use, frost pipe 1 is imbedded in pending stratum, frost pipe 1 is surrounded into sandy soil region to be sampled
Form one to enclose, the pore water in sandy soil and sandy soil to be sampled is freezed, sandy soil can be shaped before so sampling, sand
Property soil prototype structure protected, then, during sampling, sandy soil does not easily cause disturbance, can keep grittiness well
The original state of soil.Disturbance is not easily caused in encapsulation afterwards, transport, transfer process equally.
Embodiment two
As seen in figs. 8-10, the present embodiment with the difference of embodiment one is：The lower end of the applicator 2 and sampling sleeve
The 3 detachable clamping in upper end, the detachable clamping in upper end of the lower end of the sampling sleeve 3 and the cutting edge 4 that fetches earth；
Specifically, it is circumferentially spaced on the inwall of the upper and lower end of the sampling sleeve 3 to be disposed with bayonet socket 31, the applicator 2
Lower end and the cutting edge 4 that fetches earth upper end outer wall on be respectively equipped with the bayonet socket 31 coordinate fixture block 7, the sampling sleeve
There is ledge structure 8, the thickness and applicator of ledge structure 8 respectively in the inner end of bayonet socket 31 on the inwall of 2 top and bottom
2nd, fetch earth cutting edge 4 insertion portion thickness it is identical so that applicator 2, sampling sleeve 3, the inner chamber internal diameter of 4 three of cutting edge that fetches earth
It is identical, and then reduce the disturbance into soil extruding and to the soil body.
Ledge structure 8 can also form block face to the fixture block 7 that applicator 2 and the cutting edge 4 that fetches earth are stretched into.
Embodiment three
The present embodiment with the difference of embodiment two is：The lower end of the applicator 2 is connected with the threaded upper ends of sampling sleeve 3
Connect, the lower end of the sampling sleeve 3 is connected with the threaded upper ends of the cutting edge 4 that fetches earth；
Specifically, internal thread is equipped with the inwall of the upper and lower end of the sampling sleeve 3, the lower end of the applicator 2 and take
The external screw thread with the screw-internal thread fit is respectively equipped with the outer wall of the upper end of native cutting edge 4, the upper end of the sampling sleeve 3 is with
There is ledge structure respectively in the inner end of internal thread on the inwall at end, the thickness and applicator 2 of ledge structure, fetch earth cutting edge 4
The thickness of insertion portion is identical so that applicator 2, sampling sleeve 3,4 three of cutting edge that fetches earth inner chamber internal diameter it is identical, and then reduce
Enter soil extruding and the disturbance to the soil body.
In a word, presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of original state sandy soil sampling method, it is characterised in that comprise the following steps：
By applicator, sample sleeve, the cutting edge that fetches earth and fit together；
For sandy soil to be sampled, the soil layer covered above which is first cleaned out, cleaning area is not less than
Area to be sampled, the soil layer covered above sandy soil are different according to geology difference；
（3）Sandy soil region to be sampled is carried out into frost process, after treating that sandy soil reaches frost, just by the region
Sandy soil is freezing together, to reach the function of " shaping ", can avoid so during subsequent samples sandy soil disturbed and
Deformation, can keep the original state of soil sample well；
After region to be sampled reaches frost requirement, by the cutting edge that fetches earth of the sandy soil sampler for assembling
Region to be sampled is placed in, operating personnel are exerted a force by applicator, and sandy soil sampler is pressed into soil layer lentamente
In, whole sampler, i.e. soil sample top surface are filled up until soil sample reach the height same with sandy soil sampler top surface；
The soil body around sandy soil sampler is removed, depth is removed total more than or equal to sampler
Depth so that the dead slot of annular is formed around sandy soil sampler；
（6）Lightly rock sandy soil sampler, make the sandy soil of sandy soil sampler bottom be easier to it is destroyed so as to
Depart from sandy soil sampler, now just sandy soil sampler can be taken out from the soil body；
（7）Applicator is pulled down, then removes the unnecessary soil body in sampling sleeve top, the unnecessary soil body was located in applicator originally,
Then seal closure is installed on the top of sampling sleeve；
（8）The cutting edge that fetches earth is pulled down, then removes the unnecessary soil body of sampling sleeve bottom end, the unnecessary soil body was located at the cutting edge that fetches earth originally
It is interior, lower sealing lid is installed in the bottom of sampling sleeve then, whole sampling process is completed.
2. a kind of original state sandy soil sampling method as claimed in claim 1, it is characterised in that in step（3）In, frost is processed
Method be frost pipe to be imbedded in pending stratum, and will frost pipe around sandy soil region formation one to be sampled
Circle, is input into freezing liquid in frost pipe, the sandy soil region frost shaping surrounded frost pipe with this；
The paliform of the frost pipe arrangement squarely broken pipe connection, improves and soil to be sampled while forming certain altitude
Contact area.
3. a kind of original state sandy soil sampling method as claimed in claim 1, it is characterised in that step（3）After beginning, in step
（4）Before, also comprise the steps：After frost comes into effect, the surrounding soil in the region for noting protecting to be sampled, to use up
Amount reduces the sandy soil in its region to being sampled and produces interference.
4. a kind of original state sandy soil sampling method as claimed in claim 1, it is characterised in that in step（7）In, using perching knife
Root out the unnecessary soil body in sampling sleeve top；In step（8）In, the unnecessary soil body of sampling sleeve bottom end is rooted out using perching knife.
5. a kind of original state sandy soil sampler, it is characterised in that：Including frost pipe, applicator, sample sleeve, the cutting edge that fetches earth,
Upper seal closure, lower sealing lid, the frost pipe form a circle around sandy soil region to be sampled, and the sampling sleeve is two
End opening structure, the lower end of the applicator are detachable affixed with the upper end of sampling sleeve, the lower end of the sampling sleeve with
Fetch earth cutting edge upper end it is detachable affixed, the cutting edge that fetches earth include downwards in sharpening shape annular blade, fetch earth cutting edge and
Sampling sleeve is communicated；
The upper seal closure and remove after applicator sampling sleeve upper end coordinate, the lower sealing lid with remove the cutting edge that fetches earth
The lower end of sampling sleeve afterwards coordinates.
6. a kind of original state sandy soil sampler as claimed in claim 6, it is characterised in that：The frost pipe connection freezing liquid
Storage bin, supply of the freezing liquid storage bin by Valve controlling freezing liquid.
7. a kind of original state sandy soil sampler as claimed in claim 6, it is characterised in that：The frost pipe arrangement squarely
The paliform of broken pipe connection, improves the contact area with soil to be sampled while forming certain altitude.
8. a kind of original state sandy soil sampler as described in one of claim 5-7, it is characterised in that：Under the applicator
The detachable clamping in upper end of end and sampling sleeve, the lower end of the sampling sleeve detachable card with the upper end of the cutting edge that fetches earth
Connect, and make applicator, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical；
Specifically, it is circumferentially spaced on the inwall of the upper and lower end of the sampling sleeve to be disposed with bayonet socket, under the applicator
Be respectively equipped with fixture block with the bayonet fittings on the outer wall of the upper end of end and the cutting edge that fetches earth, the upper end of the sampling sleeve and
There is ledge structure respectively in the inner end of bayonet socket on the inwall of lower end, the thickness and applicator of ledge structure, the cutting edge that fetches earth are inserted
The thickness for entering part is identical so that applicator, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical, and then reduce into soil
Extruding and the disturbance to the soil body.
9. a kind of original state sandy soil sampler as described in one of claim 5-7, it is characterised in that：Under the applicator
Hold and be connected with the threaded upper ends of sampling sleeve, the lower end of the sampling sleeve is connected with the threaded upper ends of the cutting edge that fetches earth, and makes to apply
Power device, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical；
Specifically, internal thread is equipped with the inwall of the upper and lower end of the sampling sleeve, the lower end of the applicator and fetch earth
The external screw thread with the screw-internal thread fit is respectively equipped with the outer wall of the upper end of cutting edge, the top and bottom of the sampling sleeve
There is ledge structure, the thickness and applicator of ledge structure, the insertion section of the cutting edge that fetches earth respectively in the inner end of internal thread on inwall
Point thickness it is identical so that applicator, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical, and then reduce into native extruding
With the disturbance to the soil body.
10. a kind of original state sandy soil sampler as described in one of claim 5-7, it is characterised in that the sampling sleeve
Upper surface and lower surface be equipped with bayonet socket, the lower surface of the collar of the applicator is provided with the card with the upper surface of sampling sleeve
The buckle that mouth coordinates, the upper surface of the cutting edge that fetches earth are provided with the buckle with the bayonet fittings of the lower surface of sampling sleeve；Make to apply
Power device, sample sleeve, the cutting edge three that fetches earth inner chamber internal diameter it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768743.2A CN106525484A (en) | 2016-08-31 | 2016-08-31 | Sampling method and sampling device for original state sandy soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610768743.2A CN106525484A (en) | 2016-08-31 | 2016-08-31 | Sampling method and sampling device for original state sandy soil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000963A (en) * | 2018-08-30 | 2018-12-14 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of plastic concrete cut-off wall sampling method |
| CN109141957A (en) * | 2018-08-13 | 2019-01-04 | 中国科学院南京土壤研究所 | A kind of acquisition and production method of 1 m original state monolith of sand |
| CN109696325A (en) * | 2019-02-15 | 2019-04-30 | 安徽科技学院 | A kind of plug-in type sampler based on heavy metals mining area soil remediation |
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| CN109696325A (en) * | 2019-02-15 | 2019-04-30 | 安徽科技学院 | A kind of plug-in type sampler based on heavy metals mining area soil remediation |
| CN109696325B (en) * | 2019-02-15 | 2021-03-23 | 安徽科技学院 | Bayonet sampling device based on mining area heavy metal soil is restoreed |
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