CN101403658B - Underwater soil sampling apparatus - Google Patents
Underwater soil sampling apparatus Download PDFInfo
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- CN101403658B CN101403658B CN2008101976345A CN200810197634A CN101403658B CN 101403658 B CN101403658 B CN 101403658B CN 2008101976345 A CN2008101976345 A CN 2008101976345A CN 200810197634 A CN200810197634 A CN 200810197634A CN 101403658 B CN101403658 B CN 101403658B
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Abstract
The invention discloses an underwater soil sampling apparatus and relates to the soil sample collection field. The invention is especially suitable for collecting the soil samples without layer-mixed contamination and under the conditions of preserving the previous soil sequence and properties such as deposition thickness and the like. The apparatus consists of three parts: a sampler, a connection bushing and a handle. The sampler consists of a multi-layer concentric tube structure and an outer wall layer and an intermediate layer are made of rigid materials and the film tube provided with the better flexibility and lower ductility is adopted as an inner wall layer and the space between the outer wall layer and the intermediate layer is adopted as the storing space of the film tube. The invention can avoid the compression to the sample during the sampler is compressed so as to preserve the original state of samples and also can avoid the micro contamination to the lower-layer sample by the upper layer remnants on the wall of the sampling tube during the sampling process. The invention is provided with the advantages that the structure is simple and the interruption and contamination to samples can be avoided. The invention can be widely applied to sample underwater sediments and soil.
Description
Technical field
The present invention relates to the pedotheque harvester, especially be fit to gather water-bed palpus and keep proterties such as original soil stratification and deposit thickness, do not have the layer of mixing contaminated soil sample.
Background technology
Sampling processes such as relevant bed mud, lake core, soil in the scientific research, often need original traitses such as strict sequence that keeps sample and deposit thickness, wherein many researchs have extremely accurately requirement to sample, and the micropollution that sampling process produces all can exert an influence to analysis result.
Present sampling apparatus is generally pipe, in order to be convenient to insert soil in sampling process, pipe to be inserted an end of soil and makes sharp edge shape, and at the other end handle is installed.Its sampling process is: with hand or hammering handle, in the sharp edge shape end insertion soil with sampling apparatus, after sampling apparatus arrives set depth, extract sampling apparatus, the sample in the pipe is taken out.Insert in the process of soil at sampling apparatus, because the effect of soil and tube wall frictional force, make institute's sample thief is produced bigger pressure, though generally can keep the sequence of pedotheque constant, the thickness of each sequence of pedotheque can take place to change in various degree because of pressurized.In addition, propelling along with sampling apparatus, the upper strata material unavoidably can adhere to the inwall of sampling apparatus, and with the upper strata material of trace it is brought in lower floor's material, thereby the former material that has changed each sequence of pedotheque constitutes, cause sample produce to mix layer and pollute, can not satisfy in the relevant scientific research requirement sample precision.
Summary of the invention
The objective of the invention is: a kind of underwater soil sampling apparatus is provided.The pedotheque of being gathered by this device can keep the proterties of original soil stratification and deposit thickness, and does not have the layer of mixing and pollute.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of underwater soil sampling apparatus is made up of sampler, joint sleeve and handle three parts.Sampler is the round tubular structure of multilayer that rigid material and flexible material are formed, and its outermost layer is an outer wall layer, and outer wall layer is made by rigid material, and its front end has the sampler tip that shrinks and form hollow slightly, is convenient to insert soil take a sample; The pipe layer that also has another layer to be made by rigid material within the outer wall layer, this layer is the middle layer.Leave the space between outer wall layer and the middle layer, and outer wall layer is connected fully not with the middle layer front end and leaves narrow annular channel.For the low tubular film of good bandability ductility, be inner wall layer within the middle layer.In the collapsible space that is stored between outer wall layer and the middle layer of inner wall layer film, and can be by extracting out in the front end narrow annular channel.The inner wall layer top can be connected and fixed end, and this stiff end is a cylindrical-shaped structure, and its external diameter is identical with the inner wall layer external diameter, can slide in the middle layer with inner wall layer.Joint sleeve and handle are the round tubular structure of hollow, and its internal diameter is identical with sampler middle layer internal diameter, termination socket mutually.
Using method of the present invention is: sampling apparatus is extended the sampling location, on the coast or look for a point of fixity that inwall stiff end tether is hitched on the ship, hand or hammering handle then, make sampling apparatus be advanced into required sampling depth, untie the stiff end tether then with this lanyard in the sampling apparatus handle, pull that handle is extracted sampling apparatus in the lump and institute's sample thief gets final product.Sample thereafter as need to analyze by taking out in the sampling apparatus only need utilize the stiff end rope that the sampling apparatus inwall is hauled out, and adopts then to cut open or the method for the inwall that overturns all can be with the complete taking-up of sample.
Compared with prior art, the pedotheque that the present invention has collection can keep the proterties of original soil stratification and deposit thickness, and does not have the layer of mixing and pollute.
Description of drawings
Fig. 1 is the structural representation of a kind of underwater soil sampling apparatus of the present invention.
Among the figure: 1 is handle, and 2 is joint sleeve, and 3 is sampler, 4 is the sampler tip, 5 is narrow annular channel, and 6 is the sampler outer wall layer, and 7 is the sampler middle layer, 8 is the sampler inner wall layer, 9 is inner wall layer material storage cell, and 10 is the inside and outside wall hickey, and 11 is the inner wall layer stiff end, 12 is the stiff end tether, and 13 is hickey.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of underwater soil sampling apparatus is made up of handle 1, joint sleeve 2 and sampler 3;
Wherein: sampler 3 is the hollow circular cylinder tubulose, is made up of sampler tip 4, sampler outer wall layer 6, sampler middle layer 7, sampler inner wall layer 8, inner wall layer material storage cell 9 and inner wall layer stiff end 11;
Sampler inner wall layer 8 adopts good bandability and the low film of ductility; Sampler middle layer 7 is concentric rigid tubular body with sampler outer wall layer 6; Leave the space that is a bit larger tham sampler inner wall layer 8 thickness between 6 liang of tube walls of sampler middle layer 7 and sampler outer wall layer, sampler middle layer 7 links to each other with an end of sampler outer wall layer 6, and is provided with inside and outside wall hickey 10; The other end of sampler outer wall layer 6 is settled sampler tip 4, and sampler tip 4 is the sharp rigid tubular body of front end, and its internal diameter equals the thickness that sampler middle layer 7 internal diameters deduct twice sampler inner wall layer 8; Leave narrow annular channel 5 between sampler middle layer 7 and the sampler tip 4, the width of narrow annular channel 5 equals the thickness of sampler inner wall layer 8; The internal diameter at sampler outer wall layer 6 rear portions increases, and the external diameter in sampler middle layer 7 is constant, and between forms inner wall layer material storage cell 9, and inner wall layer 8 materials are stored in the storage cell 9;
Inner wall layer stiff end 11 is an annulus, and the external diameter of annulus is identical with sampler middle layer 7 internal diameters, can slide in sampler middle layer 7, and the annulus of inner wall layer stiff end 11 is connected with stiff end tether 12;
With inner wall layer 8 materials that are stored in the storage cell 9, through behind the narrow annular channel 5, be fixed on again on the annulus of inner wall layer stiff end 11, form sampler inner wall layer 8;
Adopt a kind of underwater soil sampling apparatus of the present invention to take the general flow of soil sample to be: after sampler tip 4 is aimed at sampled point, look for a point of fixity, and it is stiff end 11 is fixing by tether 12, hand or hammering Sampled Hand Grip 1 cross bar then, along with deepening continuously of sampler, sample enters inner wall layer 8 synchronously, and inner wall layer 8 turns down extraction and prolongation synchronously simultaneously by narrow annular channel 5 places; Along with sampling depth strengthens, sampler 3 is protracted, and stiff end 11 depth locations are fixed, but so stiff end 11 and inner wall layer 8 pulls that connected thereof slide in joint sleeve 2 and the handle 1.After reaching required sampling depth, in addition with tether 12 bondages on handle 1, thereby the stiff end 11 and the relative position of sampling apparatus outer wall layer 6 are fixed, extract sampling apparatus then and get final product.Sample thereafter as need to analyze by taking out in the sampling apparatus only need utilize the inner wall tube that stiff end tether 12 will be equipped with sample to extract out, adopts then to cut open or the method for the inwall that overturns all can be with the complete taking-up of sample.After this, in inside and outside wall hickey 10 parts of sampler 3, can be separately, and in sampler 3 inside and inner wall layer material storage cell 9 thereof, reload inner wall layer 8 with 7 rotations of sampler outer wall layer 6 and sampler middle layer, for sub-sampling again.
Claims (1)
1. a underwater soil sampling apparatus is characterized in that, this device is made up of handle (1), joint sleeve (2) and sampler (3);
Sampler (3) is the hollow circular cylinder tubulose, is made up of sampler tip (4), sampler outer wall layer (6), sampler middle layer (7), sampler inner wall layer (8), inner wall layer material storage cell (9) and inner wall layer stiff end (11);
Sampler inner wall layer (8) adopts good bandability and the low film of ductility; Sampler middle layer (7) is concentric rigid tubular body with sampler outer wall layer (6); Leave the space that is a bit larger tham sampler inner wall layer (8) thickness between sampler middle layer (7) and sampler outer wall layer (6) two tube walls, sampler middle layer (7) link to each other with an end of sampler outer wall layer (6), and are provided with inside and outside wall hickey (10); The other end of sampler outer wall layer (6) is settled sampler tip (4), and sampler tip (4) is the sharp rigid tubular body of front end, and its internal diameter equals the thickness that sampler middle layer (7) internal diameter deducts twice sampler inner wall layer (8); Leave narrow annular channel (5) between sampler middle layer (7) and the sampler tip (4), the width of narrow annular channel (5) equals the thickness of sampler inner wall layer (8); The internal diameter at sampler outer wall layer (6) rear portion increases, and the external diameter of sampler middle layer (7) is constant, and between forms inner wall layer material storage cell (9), and inner wall layer (8) material is stored in the storage cell (9);
Inner wall layer stiff end (11) is an annulus, and the external diameter of annulus is identical with sampler middle layer (7) internal diameter, can slide in sampler middle layer (7), and the annulus of inner wall layer stiff end (11) is connected with stiff end tether (12);
To be stored in inner wall layer (8) material in the storage cell (9), behind narrow annular channel (5), be fixed on again on the annulus of inner wall layer stiff end (11), form sampler inner wall layer (8);
Joint sleeve (2) is the tubular body that the tube wall internal diameter is identical with sampler middle layer (7) internal diameter, all there is hickey at two ends, and the inside and outside wall hickey (10) of the hickey of one end and sampler (3) is complementary, and is connected with it;
Handle (1) is made up of tubular body and cross bar, the internal diameter of tubular body is identical with sampler middle layer (7) internal diameter, cross bar is placed in tubular body one end, and perpendicular to tubular body wall, settle the other end of cross bar that hickey is arranged at tubular body, the hickey of this interface and joint sleeve (2) is complementary, and is connected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101976345A CN101403658B (en) | 2008-11-13 | 2008-11-13 | Underwater soil sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101976345A CN101403658B (en) | 2008-11-13 | 2008-11-13 | Underwater soil sampling apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101403658A CN101403658A (en) | 2009-04-08 |
| CN101403658B true CN101403658B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101976345A Expired - Fee Related CN101403658B (en) | 2008-11-13 | 2008-11-13 | Underwater soil sampling apparatus |
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| CN (1) | CN101403658B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720501A (en) * | 2012-06-18 | 2012-10-10 | 哈尔滨工业大学 | Coring mechanism capable of maintaining original geological bedding information |
| CN107063764B (en) * | 2017-04-01 | 2023-06-06 | 中国海洋大学 | Suction type water sample collector and unit suction type bottom water sample collection system |
| CN108168938B (en) * | 2017-12-27 | 2020-12-08 | 浙江品创知识产权服务有限公司 | Ground soil sampling device |
| CN110320065B (en) * | 2019-07-29 | 2021-12-31 | 海南寰安科技检测有限公司 | Rapid sampling soil detection system and rapid soil detection and sampling method thereof |
| CN113640045A (en) * | 2021-08-02 | 2021-11-12 | 上海市政工程设计研究总院（集团）有限公司 | Non-compression soil sampling device for soil pollution condition investigation |
| CN114518251B (en) * | 2022-04-21 | 2022-07-01 | 河北舜宏建筑装饰工程有限公司 | Highway engineering detects with sample device that fetches earth |
| CN115266204B (en) * | 2022-08-26 | 2023-07-04 | 中国长江三峡集团有限公司 | Soil sampling device for full-shading sample and use method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5854432A (en) * | 1997-11-13 | 1998-12-29 | Vollweiler; Arthur R. | Dual tube sampling system |
| CN1414361A (en) * | 2002-11-28 | 2003-04-30 | 浙江大学 | Mechanical hand hold type deposit sediment sampler without boundary disturbance |
| CN2591609Y (en) * | 2002-12-12 | 2003-12-10 | 浙江大学 | Non-boundary disturbance abysmal sediment pressurizing sampling apparatus |
| CN201289438Y (en) * | 2008-11-13 | 2009-08-12 | 中国科学院测量与地球物理研究所 | Device for sampling underwater mud |
-
2008
- 2008-11-13 CN CN2008101976345A patent/CN101403658B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5854432A (en) * | 1997-11-13 | 1998-12-29 | Vollweiler; Arthur R. | Dual tube sampling system |
| CN1414361A (en) * | 2002-11-28 | 2003-04-30 | 浙江大学 | Mechanical hand hold type deposit sediment sampler without boundary disturbance |
| CN2591609Y (en) * | 2002-12-12 | 2003-12-10 | 浙江大学 | Non-boundary disturbance abysmal sediment pressurizing sampling apparatus |
| CN201289438Y (en) * | 2008-11-13 | 2009-08-12 | 中国科学院测量与地球物理研究所 | Device for sampling underwater mud |
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| CN101403658A (en) | 2009-04-08 |
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