CN105067379B - A kind of portable tidal flat paludal sediment sampler and its method for sampling - Google Patents
A kind of portable tidal flat paludal sediment sampler and its method for sampling Download PDFInfo
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- CN105067379B CN105067379B CN201510499106.5A CN201510499106A CN105067379B CN 105067379 B CN105067379 B CN 105067379B CN 201510499106 A CN201510499106 A CN 201510499106A CN 105067379 B CN105067379 B CN 105067379B
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- sampling pipe
- sampling
- blocking plate
- steel wire
- wire rope
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Abstract
The present invention relates to a kind of portable tidal flat paludal sediment sampler and its method for sampling, the sampler includes hollow sampling pipe, handrail, end-blocking plate, one or some steel wire ropes, the aperture being adapted with the steel wire rope quantity is offered in the sampling pipe bottom side of the wall, the steel wire rope lower end penetrates in the sampling pipe on the outside of the sampling pipe through the aperture and is connected with the end-blocking plate, when the steel wire rope is pulled upwardly tight, to affect the end-blocking plate rotary seal residence to state the lower surface of sampling pipe；The hollow hole of multiple large area is offered in the side wall of the sampling pipe；The sampling pipe top connects the handrail.The sampler and its method for sampling not only contribute to ensure that sample is complete, are easy to sample, and sampler structure is simple, rapid operation, and using effect is good.
Description
Technical field
The present invention relates to a kind of portable tidal flat paludal sediment sampler and its method for sampling, suitable for physical geography
Learn, deposit background check technical field in ecological, agrology and environmental science.
Background technology
Tidal flat marsh is in the area of the water body such as land and ocean, river and lake interaction, is one unique wet
Ground type.Tidal beach wetland primary productivity is high, and the content of organic matter is enriched, while is also to whole world change and effect of human activity pole
One of ecosystem for sensitivity.The biogeochemical process of tidal flat paludal sediment is Physical Geography, ecology, soil
The focus paid close attention to jointly with environmental science is learned, and the top priority of tidal flat paludal sediment background check is exactly to obtain substantial amounts of sink
Product thing sample.
Tidal flat marsh is chronically at the state of batch filter presses so that deposit is more in silt soft modeling shape.Meanwhile tidal flat natural pond
Pool growth and live a large amount of moisture loving plants and crab, shellfish zoobenthos, plant so being mixed with substantial amounts of root system in deposit and moving
Thing residuum, these features cause tidal flat paludal sediment to be not easy to gather.In addition, tidal flat paludal sediment spatially exist it is bright
Aobvious heterogeneity, especially below earth's surface in 1 m depth boundses, sediment density, moisture content, porosity, oxygen content（DO）, acid
Basicity（pH）And redox value（Eh）Larger change can occur with depth Deng physicochemical characteristic.Therefore, river is being carried out
During mouth tidal beach wetland sediment analysis, it usually needs the complete deposit cores of collection below ground 1 m or so.
Traditional tidal flat paludal sediment sampler generally comprises handle, probe tube and piston push rod.Probe tube is not
Become rusty steel pipe, and one end is connected with handle, and piston push rod matches with stainless steel tube.Specific sampling method is vertically to insert probe tube
Enter in subtidal deposit layer, after thing to be deposited enters probe tube certain depth, vertically take out probe tube, lived from the insertion of probe tube top
Push rod is filled in, and by soil sample " release ", cutting layering then is carried out to deposit, each stratified sedimentation thing is stored in hermetic bag,
Take back laboratory.
The traditional sampler of the above can run into many difficulties in actual use：1）Sample collector is by sampler injection ground
When need to overcome larger frictional resistance（Friction between tube wall and deposit）So that need to apply very during this
Big pressure；2）Legacy sampler is without collet, and during sample taking-up, Parts of deposits core can come off because of gravity, loss
Sample segment, even if sampler injection ground depth reaches more than 1m, efficiently sampling depth often can only achieve 30-50 cm,
Also so that the port of core is unsmooth；3）In sampling process, narrower barrel-shaped steel pipe is often not easy to cut off root system of plant, causes to adopt
Sample fails, and even instrument is damaged when serious；4）During piston push rod " release " deposit core, operationally it is difficult to control, Chang Hui
Destroy the structural character of deposit so that the vertical demixing of core sample and natural sediment it is inconsistent；5）Legacy sampler
After use, have substantial amounts of deposit and be attached to side wall, be not easily cleaned；6）Even if merely desiring to take the sediment sample of a certain depth,
Also it must will could obtain, take time and effort after deposit all " extrusion "；7）The core obtained using traditional sample mode, one
As can only pass through centrifuge at a high speed " centrifugation " obtain pore water, but this " centrifugation " acquisition pore water method meeting " oxidation " part
Reducing substances so that part pore water desired value distortion.
The content of the invention
It is an object of the invention to provide a kind of portable tidal flat paludal sediment sampler and its method for sampling, the sampling
Device and its method for sampling not only contribute to ensure that sample is complete, are easy to sample, and sampler structure is simple, and operation saves
Power, using effect are good.
To achieve the above object, the technical scheme is that：A kind of portable tidal flat paludal sediment sampler, including
Hollow sampling pipe, handrail, end-blocking plate, one or some steel wire ropes, offer in the sampling pipe bottom side of the wall with it is described
The adaptable aperture of steel wire rope quantity, the steel wire rope lower end penetrate the sampling pipe through the aperture on the outside of the sampling pipe
In and be connected with the end-blocking plate, when the steel wire rope is pulled upwardly tight, to affect the end-blocking plate rotary seal residence to state and adopt
The lower surface of sample pipe；The hollow hole of multiple large area is offered in the side wall of the sampling pipe；The sampling pipe top connects institute
State handrail.
Further, the sampling pipe bottom side of the wall is provided inwardly with the spacing peg for blocking the end-blocking plate, to work as
The end-blocking plate blocks the end-blocking plate when downwardly turning over certain angle.
Further, the sampling pipe cross section is rectangle, and the end-blocking plate is to be adapted with the sampling pipe cross section
Rectangle.
Further, length direction of four side walls of the sampling pipe along the sampling pipe is spaced apart provided with multiple described
Hollow hole.
Further, the sampling pipe is provided with scale along its length.
Present invention also offers the method for sampling of above-mentioned portable tidal flat paludal sediment sampler, first by the end-blocking
Plate flips up, and it is close to the side wall of the sampling pipe, then the sampling pipe is inserted vertically into the tidal flat marshland that need to be sampled
Below table, after reaching sampling depth, apply upward pulling force to the steel wire rope, draw the end-blocking plate and downwardly turn over, cut off institute
The deposit of sampling bottom of the tube is stated, and seals core inside the sampling pipe, then extracts sampling pipe.
The beneficial effects of the invention are as follows：1st, efficiently sampling depth meets that most of tidal flat marsh shallow-layer sinks up to 1-1.2m
The demand of product thing analysis；2nd, it is easy to keep the globality of deposit core, deposit table can be prevented well after plastic covering film
Layer is oxidized；3rd, it is easy to maintain, sampler is without closing dead angle, and one integral piece is stainless steel, and each use finishes and only needs to rinse
Dried after clean；4th, the sediment sample of a certain depth such as need to be only taken, corresponding deposition can be cut directly from hollow out pipe
Taken out after thing core, without taking out whole post deposit core；5th, simple to operate, laborsaving, hollow out design greatly reduces side friction
Power so that one can complete injection, cut-out earth pillar, the sampling overall process for extracting sampler；6th, compared with legacy sampler, side
The steel plate that puts the first edge on a knife or a pair of scissors of shape is more easy to cut off root system of plant, using frame structure so that sampler is firmer, is hardly damaged；7th, design choosing
All material is cheap, and can buy on the market；8th, simple in construction, whole sampler is only by four parts groups
Into processing mode is simple and easy, is readily mass-produced；9th, construction is slim and graceful, is easy to carry, and single-piece sampler gross mass is no more than 2 kilograms.
Brief description of the drawings
Fig. 1 is the structural representation of the sampler of the embodiment of the present invention.
Fig. 2 is the close-up schematic view of sampling pipe lower end in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
The portable tidal flat paludal sediment sampler of the present invention, as shown in Figure 1, 2, including hollow sampling pipe 1, handrail
4th, end-blocking plate 2, one or some steel wire ropes 3, spacing peg 5, offer and the quantity of steel wire rope 3 in the bottom side of the wall of sampling pipe 1
Adaptable aperture, the lower end of steel wire rope 3 penetrate in sampling pipe 1 from the outside of sampling pipe 1 through aperture and are connected with end-blocking plate 2, to work as
When steel wire rope 3 is pulled upwardly tight, end-blocking plate 2 is affected to downwardly turn over.In order to limit the flip angle of end-blocking plate, the lower end of sampling pipe 1
With separately offering two apertures in opposite face side wall of the steel wire rope 3 through face, spacing peg 5 is fixed on the surface side by aperture
On wall, the head of a nail, when end-blocking plate 2 is downwardly turned over to spacing peg 5, is stopped towards inside sampling pipe 1 by the spacing head of a nail of peg 5
Do not continue to overturn after effect, so as to seal the lower surface of sampling pipe 1.Sampling pipe 1 is semi open model construction, i.e. sampling pipe 1
The hollow hole of multiple large area is offered in side wall；The top of sampling pipe 1 connects handrail 4.
In the present embodiment, the cross section of sampling pipe 1 is rectangle, and end-blocking plate 2 is the square being adapted with the cross section of sampling pipe 1
Shape.In the preferred embodiment, the cross section of sampling pipe 1 is further to be square.Four side walls of sampling pipe 1 are along sampling pipe
1 length direction is spaced apart and is provided with multiple hollow holes.
For convenience of observed samples depth and sample is taken out, sampling pipe 1 is provided with scale along its length.
Present invention also offers the method for sampling of above-mentioned portable tidal flat paludal sediment sampler, first by end-blocking plate 2
Flip up, it is close to the side wall of sampling pipe 1, then sampling pipe 1 is inserted vertically into below the tidal flat marsh earth's surface that need to be sampled, reached
To after sampling depth, apply upward pulling force to steel wire rope 3, traction end-blocking plate 2 downwardly turns over, the deposition of cut-out sampling pipe 1 bottom
Thing, and the inside core of sampling pipe 1 is sealed, then extract sampling pipe 1.
In the present embodiment, sampling pipe 1 and handrail 4 use 304 stainless steel pipes, and end-blocking plate 2 uses 304 stainless steel plates,
Steel wire rope 3 uses diameter 1.2mm stainless steel steel wire rope.The cross section of sampling pipe 1 is square, the lower end of sampling pipe 1（Bury
End）Carry out processing of putting the first edge on a knife or a pair of scissors.The overall length 135cm of sampling pipe 1, four walls open hollow hole segment length 120cm.In the opposite face of 1 upper end of sampling pipe two
Side wall on offer diameter 18mm circular hole so that handrail 4 passes through, handrail 4 is diameter 16mm steel pipe, and passes through sampling pipe 1
The circular hole of upper end；Two diameter 2mm aperture is opened in side wall of the lower end of sampling pipe 1 parallel to handrail 4 so that steel wire rope 3 is worn
Cross, steel wire rope 3 is penetrated in sampling pipe 1 from the outside of sampling pipe 1 through the two apertures and is connected with end-blocking plate 2；Under sampling pipe 1
End steel wire rope 3 through separately opening two diameter 2mm aperture on the opposite side wall in face for the spacing peg 5 of fixation, spacing peg 5
Spheric head of a nail side is towards inside sampling pipe 1, head of a nail height 2mm；End-blocking plate 2 can make its deflection by pulling steel wire rope 3
90 °, limited after deflection by spacing peg, maximum deflection angle maintains 90 °.
Sampler makes it be close to the side wall of sampling pipe 1 before use, end-blocking plate 2 is flipped up, then by handrail 4 through sampling
The circular hole of device upper end.During sampling, sampler is vertically placed to tidal flat earth's surface, by manually applying pressure to handrail 4, by sampler
Below vertical injection tidal flat earth's surface, after reaching required sampling depth, by manually applying upward pulling force to steel wire rope 3, traction
The end-blocking plate 2 of sampler bottom is overturn, and cuts off sampler basic sediment, and under the restriction effect of spacing peg 5, maintains envelope
End plate 2 and sampling pipe plumbness, so as to seal core inside sampler.Then, artificial vertical extracts sampler.Device to be sampled
After taking-up, the tube wall on-site cutting of hollow out can be passed through as needed and take out sediment sample, can also take plastic sheeting to coat
Whole post takes back laboratory afterwards.
In the preferred embodiment, after handrail 4 passes through circular hole, the rubber antiskid hand of mountain bike can be put
Handle, increasing friction force.For convenience of the deposit core of cutting certain depth, scale can be stamped on sampling pipe 1.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (3)
- A kind of 1. portable tidal flat paludal sediment sampler, it is characterised in that including hollow sampling pipe, handrail, end-blocking plate, One or some steel wire ropes, the aperture being adapted with the steel wire rope quantity, institute are offered in the sampling pipe bottom side of the wall State steel wire rope lower end to penetrate in the sampling pipe on the outside of the sampling pipe through the aperture and be connected with the end-blocking plate, to work as When the steel wire rope is pulled upwardly tight, the end-blocking plate rotary seal residence is affected to state the lower surface of sampling pipe；The sampling pipe The hollow hole of multiple large area is offered in side wall；The sampling pipe top connects the handrail；The sampling pipe bottom side of the wall is provided inwardly with the spacing peg for blocking the end-blocking plate, with when the end-blocking plate it is downward The end-blocking plate is blocked when being turned to certain angle；The sampling pipe cross section is rectangle, and the end-blocking plate is the rectangle being adapted with the sampling pipe cross section；It is described to adopt Length direction of four side walls of sample pipe along the sampling pipe is spaced apart and is provided with multiple hollow holes.
- A kind of 2. portable tidal flat paludal sediment sampler according to claim 1, it is characterised in that the sampling pipe Scale is provided with along its length.
- 3. a kind of method of sampling of portable tidal flat paludal sediment sampler according to claim 1 or 2, its feature exist In the end-blocking plate is flipped up first, it is close to the side wall of the sampling pipe, then the sampling pipe is inserted vertically into needed Below the tidal flat marsh earth's surface of sampling, after reaching sampling depth, apply upward pulling force to the steel wire rope, draw the end-blocking plate Downwardly turn over, cut off the deposit of the sampling bottom of the tube, and seal core inside the sampling pipe, then extract sampling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510499106.5A CN105067379B (en) | 2015-08-14 | 2015-08-14 | A kind of portable tidal flat paludal sediment sampler and its method for sampling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510499106.5A CN105067379B (en) | 2015-08-14 | 2015-08-14 | A kind of portable tidal flat paludal sediment sampler and its method for sampling |
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| Publication Number | Publication Date |
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| CN105067379A CN105067379A (en) | 2015-11-18 |
| CN105067379B true CN105067379B (en) | 2017-11-10 |
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| CN201510499106.5A Expired - Fee Related CN105067379B (en) | 2015-08-14 | 2015-08-14 | A kind of portable tidal flat paludal sediment sampler and its method for sampling |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840757A (en) * | 2017-03-30 | 2017-06-13 | 江西农业大学 | A kind of simple and fast original position drawing out soil equipment and soil basketing method for Soil K+adsorption |
| CN109655308B (en) * | 2019-01-31 | 2024-01-30 | 中国地质大学（武汉） | Portable detachable open soil sampler suitable for silt weak soil |
| CN113218692B (en) * | 2021-05-07 | 2022-07-01 | 临沂职业学院 | Sampler and sampling method for sediment under ground water |
| CN115876525B (en) * | 2023-02-27 | 2023-04-25 | 寿光市鑫弘规划技术服务有限公司 | Sampling equipment for engineering investigation |
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| CN201425559Y (en) * | 2009-05-12 | 2010-03-17 | 中交上海航道勘察设计研究院有限公司 | Suspended load layered sampler |
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| CN204831831U (en) * | 2015-08-14 | 2015-12-02 | 福建师范大学 | Portable tidal flat paludal sediment sample thief |
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| JPH11140858A (en) * | 1997-11-07 | 1999-05-25 | Kawaguchi Ace Kogyo Kk | Soil sampler and method for ground surveying using the same |
| JP5474592B2 (en) * | 2010-02-09 | 2014-04-16 | 株式会社熊谷組 | Soil sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201425559Y (en) * | 2009-05-12 | 2010-03-17 | 中交上海航道勘察设计研究院有限公司 | Suspended load layered sampler |
| CN203241261U (en) * | 2013-03-25 | 2013-10-16 | 嘉兴职业技术学院 | Wetland soil sampler |
| CN103454117A (en) * | 2013-09-02 | 2013-12-18 | 中国科学院、水利部成都山地灾害与环境研究所 | Pond sludge sampler |
| CN103900851A (en) * | 2014-04-04 | 2014-07-02 | 中国科学院东北地理与农业生态研究所 | Lake sediment sampler |
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| CN105067379A (en) | 2015-11-18 |
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