CN102879222B - Double-layered cylinder wall soil pillar soil sampler - Google Patents
Double-layered cylinder wall soil pillar soil sampler Download PDFInfo
- Publication number
- CN102879222B CN102879222B CN201210358154.9A CN201210358154A CN102879222B CN 102879222 B CN102879222 B CN 102879222B CN 201210358154 A CN201210358154 A CN 201210358154A CN 102879222 B CN102879222 B CN 102879222B
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- inner core
- urceolus
- soil
- barrel
- double
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- 239000002689 soil Substances 0.000 title claims abstract description 82
- 238000005070 sampling Methods 0.000 description 19
- 238000005520 cutting process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 239000000284 extract Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- -1 now Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a double-layered cylinder wall soil pillar soil sampler, which includes an outer cylinder and an inner cylinder that are mutually nested and spliced, wherein spirally arranged guiding ribs are arranged at the bottom on the outer wall of the outer cylinder; axial positioning parts mutually matched are arranged at the top parts of the outer cylinder and the inner cylinder; the inner cylinder is provided with an extending part extending out of the top end of the outer cylinder; and an inner cylinder handle is fixed on the extending part. The soil sampler has a simple structure, and is convenient to use, the inner cylinder and the outer cylinder are jointly rotated and drilled underground, the inner cylinder is drawn out to obtain the soil pillar of a soil sampler, and then the outer cylinder is screwed out in the reverse direction; the splicing fit of the inner cylinder and the outer cylinder reduces the resistance when the soil sampler is inserted in and drawn out, so as to reduce the dissipation of the soil sampler and prolong the service life of the soil sampler, and a soil pillar sample at a specific depth in the soil can be accurately obtained as per calibrations of the inner cylinder and the outer cylinder.
Description
Technical field
The present invention relates to a kind of apparatus that fetches earth, relate in particular to the double-deck barrel earth pillar soil sample barrel of the darker soil profile sample of a kind of easy acquisition.
Background technology
It is the basic content of being engaged in the researchs such as environment, ecology, agricultural that soil sample is analyzed.Accurately, in right amount, the pedotheque of quick obtaining soil different depth is directly connected to the precision of research and the reliability of data.
Pedotheque sampling thief has numerous species.Gather farmland or wasteland topsoil sample, available small-sized spades.The general physical property of research soil, as the soil weight, porosity and water retention characteristic etc., can utilize cutting ring.Cutting ring is the cylinder of both ends open, and end opening has sword, and the height of cylinder and diameter are 5 centimetres of left and right.But the most frequently used sampling instrument is geotome at present, also takes earthenware.
Pedotheque soil sample barrel directly affects labour intensity and the work efficiency of soil sampling work as the instrument of soil collecting.Existing soil sample barrel is due to larger with upper soll layer contact area, with sampling depth, increase, insert resistance also can increase thereupon, caused that soil sample barrel inserts in soil, taking-up process difficulty, wasted time and energy and because the increase of resistance is easy to cause the problems such as soil sample barrel damage, greatly limited a sampling depth of soil earth pillar.And the method that gathers several times different depth pedotheque not only wastes time and energy, more can cause significant sampling error.
Traditional soil sample barrel comprise the overman bit that is connected as a single entity and drilling rod and with the fixing handle in drilling rod upper end, while gathering pedotheque, hold firmly rotation of handle, soil is stuck in the pipe of drill bit, then with thin rod, required soil is scraped, the method of this collection soil wastes time and energy, and has a strong impact on the work efficiency of soil collecting.
Application number is that 201010026667.6 Chinese patent discloses a kind of device that gathers earth's surface soil sample, comprise geotome, wherein geotome is comprised of handle and drilling rod, and described handle is located at the top of drilling rod, and the bottom of described drilling rod is provided with screw thread, also comprise glue rod, in the drilling rod of described geotome, offer through hole, described through hole coordinates with glue rod, can meet the demand that gathers different depth soil, but still can't resolve with sampling depth, increase, insert the problem that resistance also increases thereupon.
Summary of the invention
The object of the present invention is to provide a kind of can obtaining easily compared with the complete earth pillar sample of deep soil, and insert, take out the less soil sample barrel of process resistance.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is: a kind of double-deck barrel earth pillar soil sample barrel, the urceolus and the inner core that comprise mutually nested grafting, the outer wall bottom of described urceolus is provided with the guiding fin of screw arrangement, the top of urceolus and inner core is provided with the axial location part cooperatively interacting, inner core is provided with the extension that extends urceolus top, is fixed with inner core handle on this extension.
When soil is sampled, inner core is plugged in urceolus, by axial location part, inner core and urceolus are connected as a single entity, rotation inner core handle, by the guiding function of guiding fin, make the motion of spinning of inner core, urceolus downwards, soil inside inner core is separated with surrounding soil and enter inner cylindrical and become soil sample earth pillar simultaneously; Arrive the inner core handle that stops the rotation after expection sampling depth, upwards vertically extract the vertical section earth pillar that inner core can obtain desired depth, then oppositely rotate up urceolus, make soil sample barrel urceolus exit soil, complete sampling process.
For convenience of the back-out of urceolus, the top exterior walls of described urceolus is fixed with urceolus handle, in the time will exiting urceolus, only need hold the anti-phase rotation of urceolus handle.
If fit tightly between inner core and urceolus, between inner core and urceolus, there is larger friction force, in the time of can making to extract inner core, resistance be larger, not only waste time and energy, serious also can damage inner core or urceolus, therefore between the outer wall of preferred described inner core and urceolus, leave certain interval, if but excesssive gap, during sampling, part earth pillar sample can enter in this gap, increased equally resistance when inner core is extracted, therefore, as preferably, the outer wall of described inner core and urceolus clearance fit, the bottom of described urceolus is with reducing section.
Further preferably, described urceolus and inner core are cylindric, and the minimum diameter of described reducing section equals the internal diameter of inner core.Resistance when cylinder-like structure reduces sampler and enters and exit soil, and the minimum diameter of reducing section equals the external diameter of inner core, the inwall and the inner core that are urceolus fit tightly, and have avoided when sampling earth pillar to enter the gap between urceolus and inner core, zero frictional resistance when having realized inner core simultaneously and extracting.
When soil enters inner core, form after earth pillar, earth pillar need be taken out cut, seal, the processing such as preservation, for convenience of the taking-up of earth pillar, the middle part of described inner core has the strip gab of arranging vertically, earth pillar can take out from strip gab easily.
But the size of opening is wanted appropriateness, and opening is crossed conference and caused in sampling process, and earth pillar overflows from inner core, and too small openings is not easy to the taking-up of earth pillar sample, so take into account both, the corresponding central angle of preferred described strip gab is 90～180 degree.
As preferably, on the outer wall of described urceolus and the outer wall of inner core, be respectively equipped with scale; During sampling, the scale by observing outer drum outer wall is by sampler precession soil, thus accurately certain depth sampling from soil; Utilize the scale of inner core, can facilitate precise cutting and other processing of earth pillar.
Described axial location part is: the some positioning keys that are in some keyways of outer tube inner wall and are distributed in inner tank theca, described positioning key is corresponding with quantity and the position of keyway.This structure is not being introduced on the basis of other accessories, has realized inner core and has coordinated with the grafting of urceolus.
The number of described keyway and positioning key is without strict restriction, but quantity crosses that I haven't seen you for ages causes grafting not firm, and quantity too much can increase again complicacy and the cost of manufacture of manufacturing process, and therefore as preferably, described keyway is four, around the circumferential of outer tube inner wall, is uniformly distributed.
Described axial location part can also have other set-up mode, as described in urceolus top be fixed with coaxially arranged annular seating, described keyway is distributed in the inwall of this annular seating.If the keyway causing because pegging graft for a long time and the loosening or damage of positioning key, only need change annular seating, and without changing whole urceolus, reach object easily and can reduce replacement cost again.
In like manner, can be by positioning key setting separated with inner core, as preferably, the top exterior walls of described inner core is provided with positioning disc, and described positioning key is distributed in the excircle of this positioning disc, and described extending part is on positioning disc.
Principle of work of the present invention is as follows: while using this earth pillar soil sample barrel, the positioning key of described inner core is aimed to the keyway of urceolus, urceolus and inner core are fully pegged graft, be connected as a single entity; Firmly rotate inner core handle downwards, make the motion of spinning of inner core, urceolus downwards, make described guiding fin cutting soil, now, soil inside inner core is separated with surrounding soil and enter inner cylindrical and become soil sample earth pillar simultaneously.
By observing scale on described urceolus outer wall to determine sampling depth, arrive the inner core handle that stops the rotation after expection sampling depth, upwards vertically extract the vertical section earth pillar that inner core can obtain desired depth.Owing to leaving gap between inner core and urceolus, so frictional resistance is very little while upwards taking out inner core, therefore can easily obtain soil sample; Utilize the scale on the outer wall of inner core can be by operations such as the earth pillar Slice by slice cutting taking out, sealing, preservations.
Oppositely rotate up described urceolus handle, make soil sample barrel urceolus exit soil, the remaining soil on cleaning guiding fin, completes sampling process.
The present invention is simple in structure, easy to use, only inner core need be rotated together with urceolus to pierce undergroundly, extracts inner core out and obtains soil sample earth pillar, then urceolus is oppositely screwed out.The grafting of the present invention by two layered cylinder coordinate reduced insertion, resistance while taking out soil sample barrel, thereby reduced the loss of soil sample barrel, improve its serviceable life, and can more accurately obtain according to the scale of inner/outer tube the earth pillar sample of certain depth in soil.
Accompanying drawing explanation
Fig. 1 is the structural representation of the double-deck barrel earth pillar of the present invention soil sample barrel;
Fig. 2 is the inner tube structure schematic diagram of the double-deck barrel earth pillar of the present invention soil sample barrel;
Fig. 3 is the outer tube structure schematic diagram of the double-deck barrel earth pillar of the present invention soil sample barrel;
Fig. 4 is A-A sectional view in Fig. 1.
Embodiment
Be illustrated in figure 1 the structural drawing of a kind of double-deck barrel earth pillar soil sample barrel of the present invention, the urceolus 1 and the inner core 2 that comprise mutually nested grafting, between inner tank theca and urceolus, be provided with the gap of 1～2mm, and the bottom of urceolus and inner core fits tightly, on the outer wall of urceolus and the outer wall of inner core, be respectively equipped with scale.For the clear structure that represents urceolus and inner core, also has the broken away view of urceolus and inner core, i.e. Fig. 2 and Fig. 3.
As can be seen from Figure 2, the outer wall bottom of urceolus 1 is provided with the guiding fin 11 of screw arrangement, and the bottom of urceolus is with reducing section 12, urceolus top is fixed with coaxially arranged annular seating 13, on the inwall of this annular seating is circumferential, be evenly distributed with four keyways 14, on the excircle of annular seating, be fixed with urceolus handle 15.
As can be seen from Figure 3, the top exterior walls of inner core 2 is provided with positioning disc 21, on the excircle of positioning disc, be evenly distributed with four positioning keys 22, this positioning key matches with the keyway of urceolus, above positioning disc, be provided with extension 23, be fixed with inner core handle 24 on this extension, the middle part of inner core has the strip gab 25 of arranging vertically, the corresponding central angle of this strip gab is 90～180 degree, as 120 degree.
The principle of work of this bilayer barrel earth pillar soil sample barrel is as follows:
While using this earth pillar soil sample barrel, the positioning key of inner core 2 22 is aimed to the keyway 14 of urceolus 1, urceolus and inner core are fully pegged graft, be connected as a single entity.Firmly rotate inner core handle 24 downwards, make the motion of spinning of inner core, urceolus downwards, make to guide fin 11 cutting soil, now, the soil of inner core 2 inner sides is separated with surrounding soil and enter inner core 2 formation soil sample earth pillars simultaneously.
By the scale on observation urceolus 1 outer wall, to determine sampling depth, the inner core handle 24 that stops the rotation after arrival expection sampling depth, upwards vertically extracts the vertical section earth pillar that inner core can obtain desired depth.Owing to leaving gap between inner core 2 and urceolus 1, so frictional resistance is very little while upwards taking out inner core, therefore can easily obtain soil sample.Utilize the scale on the outer wall of inner core can be by operations such as the earth pillar Slice by slice cutting taking out, sealing, preservations.
Oppositely rotate up urceolus handle 15, make soil sample barrel urceolus exit soil, the remaining soil on cleaning guiding fin 11, for lower sub-sampling ready.
Claims (9)
1. a double-deck barrel earth pillar soil sample barrel, it is characterized in that, the urceolus (1) and the inner core (2) that comprise mutually nested grafting, the outer wall bottom of described urceolus is provided with the guiding fin (11) of screw arrangement, the top of urceolus and inner core is provided with the axial location part cooperatively interacting, inner core is provided with the extension (23) that extends urceolus top, is fixed with inner core handle (24) on this extension; Described axial location part is: the some positioning keys (22) that are in some keyways (14) of outer tube inner wall and are distributed in inner tank theca, described positioning key is corresponding with quantity and the position of keyway.
2. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, the top exterior walls of described urceolus is fixed with urceolus handle (15).
3. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, the outer wall of described inner core and urceolus clearance fit, and the bottom of described urceolus is with reducing section (12).
4. double-deck barrel earth pillar soil sample barrel as claimed in claim 3, is characterized in that, described urceolus and inner core are cylindric, and the minimum diameter of described reducing section equals the external diameter of inner core.
5. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, the middle part of described inner core has the strip gab (25) of arranging vertically, and the corresponding central angle of described strip gab is 90～180 degree.
6. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, on the outer wall of described urceolus and the outer wall of inner core, is respectively equipped with scale.
7. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, described keyway is four, around the circumferential of outer tube inner wall, is uniformly distributed.
8. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, described urceolus top is fixed with coaxially arranged annular seating (13), and described keyway is distributed in the inwall of this annular seating.
9. double-deck barrel earth pillar soil sample barrel as claimed in claim 1, is characterized in that, the top exterior walls of described inner core is provided with positioning disc (21), and described positioning key is distributed in the excircle of this positioning disc, and described extending part is on positioning disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210358154.9A CN102879222B (en) | 2012-09-24 | 2012-09-24 | Double-layered cylinder wall soil pillar soil sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210358154.9A CN102879222B (en) | 2012-09-24 | 2012-09-24 | Double-layered cylinder wall soil pillar soil sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102879222A CN102879222A (en) | 2013-01-16 |
| CN102879222B true CN102879222B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210358154.9A Expired - Fee Related CN102879222B (en) | 2012-09-24 | 2012-09-24 | Double-layered cylinder wall soil pillar soil sampler |
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| Country | Link |
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| CN (1) | CN102879222B (en) |
Cited By (1)
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| CN202793837U (en) * | 2012-09-24 | 2013-03-13 | 浙江大学 | Double-layer cylinder wall earth pillar soil sampler |
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- 2012-09-24 CN CN201210358154.9A patent/CN102879222B/en not_active Expired - Fee Related
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| CN101726429A (en) * | 2009-12-04 | 2010-06-09 | 山东农业大学 | Soil auger for undisturbed bisect soil column of filed soil |
| CN201837538U (en) * | 2010-10-14 | 2011-05-18 | 莱恩威特(北京)环境科技有限公司 | Manual sampling hammer and manual soil sampler provided with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU207417U1 (en) * | 2020-12-25 | 2021-10-27 | Акционерное общество "ЦНИИ "Электрон" | Device for safe sampling of soil samples from specified depths, including permafrost |
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| CN102879222A (en) | 2013-01-16 |
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