CN106706361A - Continuous sampling spiral undisturbed soil sampler - Google Patents
Continuous sampling spiral undisturbed soil sampler Download PDFInfo
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- CN106706361A CN106706361A CN201611108495.5A CN201611108495A CN106706361A CN 106706361 A CN106706361 A CN 106706361A CN 201611108495 A CN201611108495 A CN 201611108495A CN 106706361 A CN106706361 A CN 106706361A
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- barrel
- outer barrel
- sampler barrel
- sampler
- sampling
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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 continuous sampling spiral undisturbed soil sampler. The sampler comprises an outer barrel comprising a barrel body and a screw blade arranged on the outer wall of the barrel body, the lower end opening of the barrel body is provided with a cutter; a sampling barrel coaxially arranged with the outer barrel, the sampling barrel relative to the outer barrel is capable of rotating freely, and the lower end opening of the sampling barrel is a soil sample inlet; a locking mechanism arranged on the outer barrel and used for locking the sampling barrel in the outer barrel; a compression bar arranged on the top of the sampling barrel, the compression bar and the sampling barrel rotate synchronously; a driving mechanism, the driving mechanism is used for driving the outer barrel to rotate, wherein when the outer barrel rotates, the cutter of the outer barrel is used for cutting clay to form a cylindrical soil sample, the sampling barrel is used for containing the cylindrical soil sample and when the outer barrel rotates, the screw blade excavates to deeper clay. The continuous sampling spiral undisturbed soil sampler is simple in structure, convenient to operate, capable of sampling continuously without disturbance and used for measuring a series of physicochemical properties and indexes of the physicochemical properties including the moisture content, the permeability coefficient, the coefficient of compressibility and the shear strength of the undisturbed soil sample by experiments.
Description
Technical field
The present invention relates to a kind of spiral undisturbed soil sampler of continuous sampling.
Background technology
Soil environment medium is material base for the survival of mankind, is that people continuously provide food, Jin Erwei
Hold the sustainable and healthy development of human society.Therefore, the long term monitoring and experimental analysis to soil environment medium are most important, commonly use
Technological means be exactly to gather a certain amount of pedotheque to carry out the correlation analysis of laboratory Components identification and harmful constituent, sentence
Determine the fertility and its contaminated degree of soil.
At present, species about soil sampler is various, form is different but larger to the sampling difficulty of undisturbed soil, even if
The sampling to undisturbed soil can be successfully realized, soil is easily broken during there is soil sampling, the sample layering for obtaining afterwards is not
Clearly, it is difficult to a series of problems, such as distinguishing.
The soil texture that especially use of some samplers may be original to sampled point produces disturbance, then can cause every
One layer of soil sample mixes the allied soil of other depth, influences the authenticity and accuracy of follow-up soil analysis experimental result.
Additionally, sampler does not possess the function of measuring soil sample mining depth simultaneously typically, it is necessary to individually enter using graduated scale
Row measurement, so carries out batch (-type) sampling and not only extends sample time, influences the efficiency of sampling, and in measurement process easily
Cause upper strata soil sample to topple to exploitation hole bottom, destroy the purity of sample.
The content of the invention
To overcome the shortcomings of that batch (-type) is sampled, it is an object of the invention to provide a kind of spiral undisturbed soil of continuous sampling
Sampler, continuous sampling is carried out with the basis of soil texture disturbance is reduced to soil.
Therefore, the invention provides a kind of undisturbed soil sampling apparatus, including：Outer barrel, including cylinder and the outer wall in cylinder
The screw blade of upper setting, the lower port of cylinder is provided with cutting knife, and the upper port of cylinder is sampler barrel installing port；Sampler barrel, it is and outer
Cylinder is coaxially disposed, and can freely be rotated relative to outer barrel, and the lower port of sampler barrel is soil sample import；Locking mechanism, is set
On outer barrel, for sampler barrel to be locked in outer barrel；Depression bar, is arranged on the top of sampler barrel, with sampler barrel synchronous axial system；Drive
Motivation structure, for driving outer barrel to rotate, wherein, the cutting knife of outer barrel is cylindric for being cut to soil when outer barrel rotates
Soil sample, sampler barrel is used to accommodate cylindric soil sample, and screw blade is tunneled when outer barrel rotates to soil depths.
Further, the internal perisporium of above-mentioned sampler barrel is provided with elastic non-return piece.
Further, above-mentioned sampler barrel includes the first half cylinders and the second half cylinders.
Further, the inwall of above-mentioned sampler barrel is followed successively by the first hydraulically smooth surface section, hydraulically rough surface section and the from bottom to top
Two hydraulically smooth surfaces section, wherein, the axial length of the first hydraulically smooth surface section is 2cm-4cm, and the axial length of hydraulically rough surface section is 3-
6cm, sampler barrel internal diameter is 20~35mm.
Further, above-mentioned locking mechanism is included in the briquetting that the upper end of cylinder is set, the upper end for locking sampler barrel
Face.
Further, above-mentioned drive mechanism is the bridge being fixedly connected with outer barrel.
Further, it is respectively equipped with sampling scale on above-mentioned outer barrel and sampler barrel.
Further, the cylinder of above-mentioned sampler barrel and outer barrel is stainless steel cylinder.
Undisturbed soil sampling apparatus of the invention, by the way of outer barrel and inner cylinder coordinate, wherein, outer barrel rotation pick
Enter, inner cylinder is not rotated in sampling process with outer barrel, in this way, cylindric soil sample is maintained in inner cylinder, reduce soil texture disturbance,
Outer barrel is cut and is tunneled to the soil beyond cylindric soil sample simultaneously, and then reduces driving resistance, obtains deeper continuous
Sampling depth, the sampling depth not disturbed continuous in the present invention up to 60cm, the need for substantially meeting soil sampling.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 is the schematic diagram of undisturbed soil sampling apparatus according to a first embodiment of the present invention；
Fig. 2 is the schematic diagram of the sampler barrel of undisturbed soil sampling apparatus according to a first embodiment of the present invention；
Fig. 3 is the schematic diagram of the depression bar of undisturbed soil sampling apparatus according to a first embodiment of the present invention；
Fig. 4 is the schematic diagram of undisturbed soil sampling apparatus according to a second embodiment of the present invention；And
Fig. 5 is the schematic diagram of undisturbed soil sampling apparatus according to a third embodiment of the present invention.
Description of reference numerals
10th, outer barrel；11st, cylinder；
12nd, screw blade；13rd, cutting knife；
14th, scale；20th, sampler barrel；
21st, elastic non-return piece；22nd, the first half cylinders；
23rd, the second half cylinders；24th, hinge；
30th, briquetting；40th, depression bar；
41st, vertical rod；42nd, gland；
50th, bridge；51st, cross bar；
52nd, sleeve；44th, expansion link；
43rd, hand handle；53rd, support；
54th, reducing sleeve；55th, power set.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 to Fig. 5 shows some embodiments of the invention.
As shown in Figure 1 to Figure 3, in the first embodiment, undisturbed soil sampling apparatus includes outer barrel 10, sampler barrel 20, briquetting
30th, depression bar 40 and bridge 50.
Wherein, outer barrel 10 includes cylinder 11 and the screw blade 12 set on the outer wall of cylinder 11, the lower end of cylinder 11
Mouth is provided with cutting knife 13, and the upper port of thimble 11 is sampler barrel installing port.Sampler barrel 20 is coaxially disposed with outer barrel 10, and relative to
Outer barrel 10 can be rotated freely, and the lower port of sampler barrel 20 is soil sample import.
Wherein, elastic press 30 is arranged on outer barrel 10, for sampler barrel 20 to be locked in outer barrel 10, and allows sampling
Cylinder 20 overcomes the elastic force of briquetting 30 to be drawn upwardly out under external force.Depression bar 40 is arranged on the top of sampler barrel 20, with sampler barrel
20 synchronous axial systems.Bridge 50 is used to drive outer barrel 10 to rotate.
In sampling process, outer barrel rotates driving, and the cutting knife on outer barrel is cut to cylindric soil sample to soil, with
Driving, the cylindric soil sample for remaining stationary as enters in the inner cylinder not rotated with outer barrel, and screw blade is when outer barrel rotates to soil
Depths is tunneled, and realizes the sample effect of continuous not disturbed soil structure.
Undisturbed soil sampler of the invention, efficiently sampling depth compared with prior art, is greatly reduced up to 60cm
Soil layer disturbance in sampling process, mix, improve the accuracy of sampling.Sampler barrel is changed after the completion of sampling can be continued
Sample next time, compared with extracting and dissipating sample, change and to manage sampler barrel more simple and easy to do.
Implement undisturbed soil sampling apparatus during, the present inventor devise it is a by elastic non-return piece design in outer barrel
Internal perisporium on testing program to prevent soil sample from coming off, find elastic non-return piece in outer barrel rotates sampling process, to soil sample
To carry out cutting loose on top layer so that soil sample comes off and is more prone to, and there is no and prevents the effect that is come off from sampler barrel of soil sample.This
Invention is tried to avoid the destruction of the similar structures to cylindric soil sample such as elastic non-return piece in subsequent designs, while by elastic non-return
Piece is designed in the sampler barrel for remaining stationary as, and is achieved and predetermined is put forward native effect.
Preferably, the flat shape of elastic non-return piece is strip, with vertical direction in 30 ° of settings, is taken when soil sample enters
Elastic non-return piece avoids soil sample during sample cylinder, and at the end of sampling, the soil sample to sampler barrel is biased power, prevents the soil being collected
Sample largely drops or departs from sampler barrel.
Preferably, the internal face and internal diameter also to sampler barrel are optimized design, to prevent soil sample from coming off.Specifically,
The inwall of sampler barrel is followed successively by the first hydraulically smooth surface section, hydraulically rough surface section and the second hydraulically smooth surface along central axis from bottom to top
Section, wherein, the axial length of the first hydraulically smooth surface section is 2cm-4cm, and the axial length of hydraulically rough surface section is 3-6cm, sampler barrel
Internal diameter is 20~35mm.
The effect of above-mentioned first hydraulically smooth surface section is as follows：When sampling driving starts, pendulum is allowed in sampler barrel insertion soil
It is dynamic, can so be easy to operation, when now the internal perisporium of sampler barrel is designed to hydraulically smooth surface, kinetic frictional resistances are small, to cylindric soil
The shape retention of sample is good, and at the end of sampling, the soil texture difficulty in the first hydraulically smooth surface section is kept away and can be destroyed, therefore is permitted
Perhaps it is feasible that it comes off.Soil sample effective length is hydraulically rough surface section above section, and hydraulically rough surface section is to the circle in sampler barrel
Column soil sample plays inhibition, then coordinates the selection of sampler barrel internal diameter, can make to be in the resistance and soil gravitational of soil flat
Weighing apparatus state, and then soil sample is maintained in sampler barrel, additionally, more than hydraulically rough surface section being the second hydraulically smooth surface section, it is possible to decrease circle
The resistance that column soil sample enters in sampler barrel.
In the present embodiment, the cylinder of outer barrel is tapered, and sampler barrel is also tapered, smaller such as 8-15 ° of certain taper,
Outer barrel and sampler barrel are preferably provided with scale, to indicate tunnelling footage and corresponding soil layer sampling depth.
In the present embodiment, as shown in Fig. 2 sampler barrel 20 includes the first half cylinders 22 and the second half cylinders 23, by hinge
Chain 24 is bi-directionally connected, and closed and locked by latching.The structure causes that soil sample is easy to operate.
In the present embodiment, as shown in figure 3, above-mentioned undisturbed soil sampling apparatus uses manually operated, depression bar 40 includes vertical rod
41 and gland 42, wherein, vertical rod 40 is fixedly connected with gland 42, and gland 42 is detachably connected with sampler barrel 20.
As shown in figure 4, in a second embodiment, undisturbed soil sampling apparatus includes outer barrel 10, sampler barrel 20, briquetting 30, stretches
Contracting bar 44 and hand are 43, cross bar 51 and sleeve 52.
In the present embodiment, sleeve 52 coordinates with the synchronous axial system of outer barrel 10 ground, and cross bar 51 is fixedly connected with sleeve 52, briquetting
30, as the retaining mechanism being locked in sampler barrel 20 in outer barrel, coordinate with the grafting of sleeve 52, and with the top of sampler barrel 20
Abut and coordinate, the briquetting is manufactured using antifriction material, it is allowed to which outer barrel is rotated relative to sampler barrel, when the briquetting is extracted, it is allowed to
Sampler barrel is extracted out from the top of sleeve.
In the present embodiment, expansion link 44 is connected with the synchronous axial system of sampler barrel 20, and hand is 43 and the company of fixation of expansion link 44
Connect, 43 and expansion link 44 as the exercisable depression bar of external force, in tunneling process is sampled, are made sampler barrel 20 independently of outer barrel by hand
The spinning movement of rotation.The effect of expansion link is：When the height of cross bar declines with driving, the height and position of hand handle keeps not
Become, facilitate two people's coordinated manipulations.
In the present embodiment, outer barrel and sampler barrel are cylindrical drum, compared with first embodiment, tunnel rapid operation.
As shown in figure 5, in the third embodiment, undisturbed soil sampling apparatus includes：Outer barrel 10, sampler barrel 20, briquetting 30, pressure
Bar 40, support 53, reducing sleeve 54 and power set 55.
It is with second embodiment difference, in the present embodiment, the top synchronous axial system of reducing sleeve 54 and outer barrel 10
Ground connection, the reducing sleeve 54 drives rotation by power set 55, and power set 55 are fixedly mounted on support 53, the conduct of briquetting 30
Retaining mechanism coordinates with the grafting of reducing sleeve 54, and support 53 is rotatably supported on reducing sleeve 54, free end and the branch of depression bar 40
The grafting of frame 53 coordinates.
When digging is sampled, by operator's righting, turn on the power support 53 device 55, downwards driving, such driving speed
Hurry up, high working efficiency.
In the present embodiment, the cylinder of sampler barrel and outer barrel is stainless steel cylinder, to meet corrosion resistance requirement, and
Surface to the cylinder of outer barrel carries out sanding and polishing treatment, to meet the surface soil cleaning treatment after sampling.
Undisturbed soil sampling apparatus of the invention, simple structure, simple operation can sample with not disturbing continuously, can be used for
Series of physicochemical property and its indexs such as measuring original state soil's water content, infiltration coefficient, the compressed coefficient and shearing strength.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of undisturbed soil sampling apparatus, it is characterised in that including：
Outer barrel, including cylinder and the screw blade that is set on the outer wall of the cylinder, the lower port of the cylinder is provided with cutting knife,
The upper port of the cylinder is sampler barrel installing port；
Sampler barrel, is coaxially disposed with the outer barrel, and can freely be rotated relative to the outer barrel, the lower end of the sampler barrel
Mouth is soil sample import；
Locking mechanism, is arranged on the outer barrel, for the sampler barrel to be locked in the outer barrel；
Depression bar, is arranged on the top of the sampler barrel, with the sampler barrel synchronous axial system；
Drive mechanism, for driving the outer barrel to rotate, wherein, the cutting knife of the outer barrel is used for mud when the outer barrel rotates
Soil is cut to cylindric soil sample, and the sampler barrel is used to accommodate the cylindric soil sample, and the screw blade is described outer
Tunneled to soil depths during cylinder rotation.
2. undisturbed soil sampling apparatus according to claim 1, it is characterised in that the internal perisporium of the sampler barrel is provided with bullet
Property non-return piece.
3. undisturbed soil sampling apparatus according to claim 1, it is characterised in that the sampler barrel include the first half cylinders and
The second half cylinders.
4. undisturbed soil sampling apparatus according to claim 1, it is characterised in that the inwall of the sampler barrel from bottom to top according to
Secondary is the first hydraulically smooth surface section, hydraulically rough surface section and the second hydraulically smooth surface section, wherein, the axial direction of first hydraulically smooth surface section is long
It is 2cm-4cm to spend, and the axial length of the hydraulically rough surface section is 3-6cm, and the sampler barrel internal diameter is 20~35mm.
5. undisturbed soil sampling apparatus according to claim 1, it is characterised in that the locking mechanism is included in the cylinder
Upper end set briquetting, the upper surface for locking the sampler barrel.
6. undisturbed soil sampling apparatus according to claim 1, it is characterised in that the drive mechanism is solid with the outer barrel
The bridge of fixed connection.
7. undisturbed soil sampling apparatus according to claim 1, it is characterised in that on the outer barrel and the sampler barrel respectively
It is provided with sampling scale.
8. undisturbed soil sampling apparatus according to claim 1, it is characterised in that the cylinder of the sampler barrel and the outer barrel
It is stainless steel cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108495.5A CN106706361B (en) | 2016-12-06 | 2016-12-06 | Spiral undisturbed soil sampler capable of sampling continuously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611108495.5A CN106706361B (en) | 2016-12-06 | 2016-12-06 | Spiral undisturbed soil sampler capable of sampling continuously |
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| CN106706361A true CN106706361A (en) | 2017-05-24 |
| CN106706361B CN106706361B (en) | 2023-03-31 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796667A (en) * | 2017-12-11 | 2018-03-13 | 百奥森（江苏）食品安全科技有限公司 | A kind of safe water quality detection sampler |
| CN108195617A (en) * | 2018-03-01 | 2018-06-22 | 中国地质调查局南京地质调查中心 | A kind of spiral undisturbed soil sampler of vertical compression and its method of sampling |
| CN109163927A (en) * | 2018-11-12 | 2019-01-08 | 河北成运环保设备有限公司 | A kind of soil sample collector containing Polychlorinated biphenyls |
| CN109612772A (en) * | 2019-01-24 | 2019-04-12 | 中水新科(北京)环保科技有限公司 | Soil sampling apparatus and method |
| CN111487086A (en) * | 2020-06-10 | 2020-08-04 | 东北石油大学 | Open-air geological detection sampling device |
| CN113567185A (en) * | 2021-08-23 | 2021-10-29 | 杨柳 | Geological rock soil reconnaissance intensity test sampling device |
| CN115615743A (en) * | 2022-12-19 | 2023-01-17 | 中建二局土木工程集团有限公司 | A ecological soil restoration sampling device for wetland |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796667A (en) * | 2017-12-11 | 2018-03-13 | 百奥森（江苏）食品安全科技有限公司 | A kind of safe water quality detection sampler |
| CN108195617A (en) * | 2018-03-01 | 2018-06-22 | 中国地质调查局南京地质调查中心 | A kind of spiral undisturbed soil sampler of vertical compression and its method of sampling |
| CN108195617B (en) * | 2018-03-01 | 2023-09-29 | 中国地质调查局南京地质调查中心 | Direct-pressure spiral undisturbed soil sampler and sampling method thereof |
| CN109163927A (en) * | 2018-11-12 | 2019-01-08 | 河北成运环保设备有限公司 | A kind of soil sample collector containing Polychlorinated biphenyls |
| CN109612772A (en) * | 2019-01-24 | 2019-04-12 | 中水新科(北京)环保科技有限公司 | Soil sampling apparatus and method |
| CN111487086A (en) * | 2020-06-10 | 2020-08-04 | 东北石油大学 | Open-air geological detection sampling device |
| CN113567185A (en) * | 2021-08-23 | 2021-10-29 | 杨柳 | Geological rock soil reconnaissance intensity test sampling device |
| CN113567185B (en) * | 2021-08-23 | 2023-09-05 | 杨柳 | Geological rock soil investigation intensity test sampling device |
| CN115615743A (en) * | 2022-12-19 | 2023-01-17 | 中建二局土木工程集团有限公司 | A ecological soil restoration sampling device for wetland |
| CN115615743B (en) * | 2022-12-19 | 2023-03-07 | 中建二局土木工程集团有限公司 | A ecological soil restoration sampling device for wetland |
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