CN206208573U - A kind of spiral undisturbed soil sampler of continuous sampling - Google Patents
A kind of spiral undisturbed soil sampler of continuous sampling Download PDFInfo
- Publication number
- CN206208573U CN206208573U CN201621326126.9U CN201621326126U CN206208573U CN 206208573 U CN206208573 U CN 206208573U CN 201621326126 U CN201621326126 U CN 201621326126U CN 206208573 U CN206208573 U CN 206208573U
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- Prior art keywords
- barrel
- outer barrel
- sampler
- sampler barrel
- soil
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Abstract
The utility model discloses a kind of spiral undisturbed soil sampler of continuous sampling, including：Outer barrel, it includes cylinder and the screw blade set on the outer wall of cylinder, and the lower port of cylinder is provided with cutting knife；Sampler barrel, is coaxially disposed with outer barrel, and can freely be rotated relative to outer barrel, and the lower port of sampler barrel is soil sample import；Locking mechanism, is arranged 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 mechanism, for driving outer barrel to rotate, wherein, the cutting knife of outer barrel is used to be cut to soil cylindric soil sample when outer barrel rotates, and sampler barrel is used to accommodate cylindric soil sample, and screw blade is tunneled when outer barrel rotates to soil depths.The utility model 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.
Description
Technical field
The utility model is related 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.
Utility model content
To overcome the shortcomings of that batch (-type) is sampled, the purpose of this utility model is to provide a kind of spiral original of continuous sampling
Shape soil sampler, continuous sampling is carried out with the basis of soil texture disturbance is reduced to soil.
Therefore, the utility model provides a kind of undisturbed soil sampling apparatus, including：Outer barrel, including cylinder and in cylinder
The screw blade set on outer wall, 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 coaxially disposed with outer barrel, and can be freely rotated relative to outer barrel, the lower port of sampler barrel is soil sample import；Locking mechanism,
It is arranged on outer barrel, for sampler barrel to be locked in outer barrel；Depression bar, is arranged on the top of sampler barrel, synchronous with sampler barrel to turn
It is dynamic；Drive mechanism, for driving outer barrel to rotate, wherein, the cutting knife of outer barrel is used to be cut to soil when outer barrel rotates
Cylindric 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.
According to undisturbed soil sampling apparatus of the present utility model, by the way of outer barrel and inner cylinder coordinate, wherein, outer barrel rotation
Driving, inner cylinder is not rotated in sampling process with outer barrel, in this way, cylindric soil sample is maintained in inner cylinder, is reduced soil texture and is disturbed
It is dynamic, while outer barrel is cut and tunneled to the soil beyond cylindric soil sample, and then reduces driving resistance, obtain deeper company
Continuous sampling depth, in the utility model the continuous sampling depth not disturbed up to 60cm, the need for substantially meeting soil sampling.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing being further understood to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the schematic diagram of the undisturbed soil sampling apparatus according to the utility model first embodiment；
Fig. 2 is the schematic diagram of the sampler barrel of the undisturbed soil sampling apparatus according to the utility model first embodiment；
Fig. 3 is the schematic diagram of the depression bar of the undisturbed soil sampling apparatus according to the utility model first embodiment；
Fig. 4 is the schematic diagram of the undisturbed soil sampling apparatus according to the utility model second embodiment；And
Fig. 5 is the schematic diagram of the undisturbed soil sampling apparatus according to the utility model 3rd embodiment.
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 utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 to Fig. 5 is shown according to some embodiments of the present utility model.
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.
According to undisturbed soil sampler of the present utility model, efficiently sampling depth up to 60cm, compared with prior art, significantly
Reduce the disturbance of the soil layer in sampling process, mix, improve the accuracy of sampling.Sampler barrel is changed after the completion of sampling
Continuation is sampled next time, compared with extracting and dissipating sample, changes and to manage sampler barrel more simple and easy to do.
During undisturbed soil sampling apparatus is implemented, the utility model people devises a design elastic non-return piece and exists
Testing program on the internal perisporium of outer barrel to prevent soil sample from coming off, the elastic non-return piece of discovery is right in outer barrel rotates sampling process
It is loose that the top layer of soil sample carries out cutting so that soil sample comes off and is more prone to, and there is no the effect for preventing soil sample from being come off from sampler barrel
Really.The utility model tries to avoid the destruction of the similar structures to cylindric soil sample such as elastic non-return piece in subsequent designs, while
By the design of elastic non-return piece in the sampler barrel for remaining stationary as, achieve and predetermined put forward native effect.
Preferably, the flat shape of elastic non-return piece is strip, is in 30 with vertical direction。Set, 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 present utility model, simple structure, simple operation can sample with not disturbing continuously, can
For series of physicochemical properties such as measuring original state soil's water content, infiltration coefficient, the compressed coefficient and shearing strengths and its refer to
Mark.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
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 |
|---|---|---|---|
| CN201621326126.9U CN206208573U (en) | 2016-12-06 | 2016-12-06 | A kind of spiral undisturbed soil sampler of continuous sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621326126.9U CN206208573U (en) | 2016-12-06 | 2016-12-06 | A kind of spiral undisturbed soil sampler of continuous sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208573U true CN206208573U (en) | 2017-05-31 |
Family
ID=58752644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621326126.9U Expired - Fee Related CN206208573U (en) | 2016-12-06 | 2016-12-06 | A kind of spiral undisturbed soil sampler of continuous sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208573U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706361A (en) * | 2016-12-06 | 2017-05-24 | 安徽理工大学 | Continuous sampling spiral undisturbed soil sampler |
| CN108051242A (en) * | 2018-01-30 | 2018-05-18 | 甘肃省治沙研究所 | A kind of undisturbed soil sampling device |
| CN109459265A (en) * | 2018-12-17 | 2019-03-12 | 甘肃省农业科学院土壤肥料与节水农业研究所 | A kind of environmental monitoring soil sampler with chesson function |
-
2016
- 2016-12-06 CN CN201621326126.9U patent/CN206208573U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706361A (en) * | 2016-12-06 | 2017-05-24 | 安徽理工大学 | Continuous sampling spiral undisturbed soil sampler |
| CN106706361B (en) * | 2016-12-06 | 2023-03-31 | 安徽理工大学 | Spiral undisturbed soil sampler capable of sampling continuously |
| CN108051242A (en) * | 2018-01-30 | 2018-05-18 | 甘肃省治沙研究所 | A kind of undisturbed soil sampling device |
| CN109459265A (en) * | 2018-12-17 | 2019-03-12 | 甘肃省农业科学院土壤肥料与节水农业研究所 | A kind of environmental monitoring soil sampler with chesson function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20171206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |