CN105067379A - Portable tidal beach swamp sediment sampler and sampling method thereof - Google Patents
Portable tidal beach swamp sediment sampler and sampling method thereof Download PDFInfo
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- CN105067379A CN105067379A CN201510499106.5A CN201510499106A CN105067379A CN 105067379 A CN105067379 A CN 105067379A CN 201510499106 A CN201510499106 A CN 201510499106A CN 105067379 A CN105067379 A CN 105067379A
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Abstract
The invention relates to a portable tidal beach swamp sediment sampler and a sampling method thereof. The sampler comprises a hollow sampling pipe, a handrail, an end sealing plate and one or more steel wire ropes, wherein small holes matched with the one or more steel wire ropes in number are formed in the side wall of the lower end of the sampling pipe; the lower ends of the one or more steel wire ropes pass by the small holes from the outer side of the sampling pipe, penetrate into the sampling pipe and are connected with the end sealing plate; when the one or more steel wire ropes are upwards tensioned, the end sealing plate is pulled to rotate to seal the lower end surface of the sampling pipe; a plurality of large-area hollowed-out holes are formed in the side wall of the sampling pipe; the upper part of the sampling pipe is connected with the handrail. According to the sampler and the sampling method thereof, completeness of sampled samples is guaranteed, sampling is easy to realize, and the sampler is simple in structure, labor-saving during operation and good in use effect.
Description
Technical field
The present invention relates to a kind of portable tidal flat paludal sediment sampling thief and the method for sampling thereof, be applicable to sediment background check technical field in physical geography, ecology, pedology and environmental science.
Background technology
Tidal flat marsh is in the interactional area of water body such as land and ocean, river and lake, is a unique Wetland Type.Tidal beach wetland primary productivity is high, and the content of organic matter is enriched, and is also simultaneously to one of whole world change and the very responsive ecosystem of the effect of human activity.The focus that the biogeochemical process of tidal flat paludal sediment is physical geography, ecology, pedology and environmental science are paid close attention to jointly, and the top priority of tidal flat paludal sediment background check is exactly obtain a large amount of sediment samples.
Tidal flat marsh is in the state of batch filter presses for a long time, and make sediment is that silt soft moulds shape more.Meanwhile, the growth of tidal flat marsh and live a large amount of moisture loving plant and crab, shellfish zoobenthos, so be mixed with a large amount of root systems and plant and animal residues in sediment, these features all make tidal flat paludal sediment not easily gather.In addition, spatially there is obvious heterogeneity in tidal flat paludal sediment, especially, below earth's surface in 1m depth range, all can there is larger change with the degree of depth in the physicochemical characteristics such as sediment density, water percentage, factor of porosity, oxygen level (DO), potential of hydrogen (pH) and redox value (Eh).Therefore, when carrying out estuarine tidal flat Wetland Sediments and analyzing, usually need to gather the complete sediment core of below ground about 1m.
Traditional tidal flat paludal sediment sampling thief generally comprises handle, stopple coupon and piston push rod.Stopple coupon is stainless-steel tube, and one end is connected with handle, and piston push rod and stainless-steel tube match.Concrete sampling method is vertically inserted by stopple coupon in subtidal deposit layer, after thing to be deposited enters stopple coupon certain depth, vertical taking-up stopple coupon, piston push rod is inserted from stopple coupon top, and by soil sample " release ", subsequently cutting layering is carried out to sediment, each stratified sedimentation thing is kept in sealing bag, takes back laboratory.
Above traditional sampling thief can run into a lot of difficulty when reality uses: 1) sample collector is by needing during sampling thief injection ground to overcome larger friction resistance (friction between tube wall and sediment), makes to need in this process to apply very large pressure; 2) legacy sampler is without collet, and in sample taking-up process, Parts of deposits core can come off because of gravity, loss sample segment, even if the sampling thief injection ground degree of depth reaches more than 1m, the efficiently sampling degree of depth often can only reach 30-50cm, also makes the port of core unsmooth; 3), in sampling process, carefully narrow barrel-shaped steel pipe often not easily cuts off root system of plant, causes sampling unsuccessfully, even damages instrument time serious; 4) during piston push rod " release " sediment core, operationally wayward, often sedimental structural character be can destroy, the vertical demixing of core sample and the inconsistent of natural sediment made; 5), after legacy sampler uses, have a large amount of sediments and be attached to sidewall, not easy to clean; 6) even if only want the sediment sample getting a certain degree of depth, also must could obtain after sediment all " extruding ", take time and effort; 7) core utilizing traditional sample mode to obtain, generally can only obtain pore water by hydro-extractor high speed " centrifugal ", but this " centrifugal " obtains method meeting " oxidation " the partial reduction material of pore water, makes the distortion of part pore water desired value.
Summary of the invention
The object of the present invention is to provide a kind of portable tidal flat paludal sediment sampling thief and the method for sampling thereof, this sampling thief and the method for sampling thereof are not only conducive to ensureing that sample is complete, and be easy to sampling, and sampler structure is simple, rapid operation, result of use is good.
For achieving the above object, technical scheme of the present invention is: a kind of portable tidal flat paludal sediment sampling thief, comprise the sampling pipe of hollow, handrail, end-blocking plate, one or some wire rope, described sampling pipe lower end sidewall offers the aperture adapted with described wire rope quantity, described wire rope lower end through described aperture to penetrate outside described sampling pipe described sampling pipe and with described envelope end plate connection, with when described wire rope is pulled upwardly tight, described end-blocking plate rotary seal residence is affected to state the lower surface of sampling pipe; The sidewall of described sampling pipe offers multiple large-area hollow hole; Described sampling pipe top connects described handrail.
Further, described sampling pipe lower end sidewall is inwardly provided with the spacing peg for blocking described end-blocking plate, to block described end-blocking plate when described end-blocking plate is turned to certain angle downwards.
Further, described sampling pipe xsect is rectangle, and described end-blocking plate is the rectangle adapted with described sampling pipe xsect.
Further, four sidewalls of described sampling pipe are provided with multiple described hollow hole along the length direction of described sampling pipe is spaced apart.
Further, described 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 sampling thief, first described end-blocking plate is upwards turned down, it is made to be close to the sidewall of described sampling pipe, described sampling pipe is vertically inserted below the earth's surface, tidal flat marsh that need sample again, after reaching sampling depth, apply to upper pulling force to described wire rope, draw described end-blocking plate to overturn downwards, cut off the sediment bottom described sampling pipe, and seal the inner core of described sampling pipe, then extract sampling pipe.
The invention has the beneficial effects as follows: 1, the efficiently sampling degree of depth can reach 1-1.2m, meet the demand that most of tidal flat marsh shallow sediment is analyzed; 2, be easy to the globality keeping sediment core, after plastic covering film, can well prevent sediment top layer oxidized; 3, be easy to maintenance, sampling thief is without closed dead angle, and one integral piece is stainless steel, finishes using after only needing to rinse well at every turn and dries; 4, as the sediment sample of a certain degree of depth only need be got, take out after directly can cutting corresponding sediment core from hollow out pipe, whole post sediment core need not be taken out; 5, simple to operate, laborsaving, hollow out design greatly reduces side friction power, makes the single sampling overall process that can complete injection, cut off earth pillar, extract sampling thief; 6, compared with legacy sampler, the square steel plate that puts the first edge on a knife or a pair of scissors more easily cuts off root system of plant, adopts framed structure, makes sampling thief firmer, not fragile; 7, design all material selected cheap, and all can buy on the market; 8, structure is simple, and whole sampling thief is only made up of four parts, and processing mode is simple, easy volume production; 9, structure slim and graceful, be easy to carry, single-piece sampling thief gross mass is no more than 2 kilograms.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sampling thief 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 drawings and the specific embodiments, the present invention is described in further detail.
Portable tidal flat paludal sediment sampling thief of the present invention, as shown in Figure 1, 2, comprise the sampling pipe 1 of hollow, handrail 4, end-blocking plate 2, one or some wire rope 3, spacing pegs 5, sampling pipe 1 lower end sidewall offers the aperture adapted with wire rope 3 quantity, wire rope 3 lower end to penetrate sampling pipe 1 through aperture and is connected with end-blocking plate 2 outside sampling pipe 1, with when wire rope 3 is pulled upwardly tight, end-blocking plate 2 is affected to overturn downwards.In order to limit the flip angle of end-blocking plate, sampling pipe 1 lower end is separately offering two apertures with wire rope 3 through on the opposite face sidewall in face, spacing peg 5 is fixed on this face sidewall by aperture, the head of a nail is inner towards sampling pipe 1, when end-blocking plate 2 turn to spacing peg 5 downwards, no longer continue upset after barrier effect by spacing peg 5 head of a nail, thus seal the lower surface of sampling pipe 1.Sampling pipe 1 is semi open model structure, i.e. the sidewall of sampling pipe 1 offers multiple large-area hollow hole; Sampling pipe 1 top connects handrail 4.
In the present embodiment, sampling pipe 1 xsect is rectangle, and end-blocking plate 2 is the rectangle adapted with sampling pipe 1 xsect.In the preferred embodiment, sampling pipe 1 xsect is square further.Four sidewalls of sampling pipe 1 are provided with multiple hollow hole along the length direction of sampling pipe 1 is spaced apart.
For convenience of the observed samples degree of depth and taking-up sample, 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 sampling thief, first end-blocking plate 2 is upwards turned down, it is made to be close to the sidewall of sampling pipe 1, sampling pipe 1 is vertically inserted below the earth's surface, tidal flat marsh that need sample again, after reaching sampling depth, apply to upper pulling force to wire rope 3, traction end-blocking plate 2 overturns downwards, cut off the sediment bottom sampling pipe 1, and seal the inner core of sampling pipe 1, then extract sampling pipe 1.
In the present embodiment, sampling pipe 1 and handrail 4 adopt 304 stainless steel pipes, and end-blocking plate 2 adopts 304 corrosion resistant plates, and wire rope 3 adopts the stainless steel wire rope of diameter 1.2mm.The xsect of sampling pipe 1 is square, and process of putting the first edge on a knife or a pair of scissors is carried out in the lower end (bury end) of sampling pipe 1.Sampling pipe 1 overall length 135cm, wall opens hollow hole segment length 120cm.The circular hole that the sidewall of sampling pipe 1 upper end two opposite face offers diameter 18mm passes for handrail 4, and handrail 4 is the steel pipe of diameter 16mm, and passes the circular hole of sampling pipe 1 upper end; The aperture sidewall being parallel to handrail 4 in sampling pipe 1 lower end being opened two diameter 2mm passes for wire rope 3, and wire rope 3 to penetrate in sampling pipe 1 through these two apertures and is connected with end-blocking plate 2 outside sampling pipe 1; Separately open the aperture of two diameter 2mm for fixing spacing peg 5 at sampling pipe 1 lower end wire rope 3 through on the opposite side wall in face, the spheric head of a nail side of spacing peg 5 is inner towards sampling pipe 1, head of a nail height 2mm; End-blocking plate 2 makes it deflect 90 ° by pulling wire rope 3, and limit by spacing peg after deflection, maximum deflection angle maintains 90 °.
End-blocking plate 2 upwards turns down, makes it be close to sampling pipe 1 sidewall before using by sampling thief, then by the circular hole of handrail 4 through sampling thief upper end.During sampling, sampling thief is vertically placed in tidal flat earth's surface, by manually applying pressure to handrail 4, below vertical for sampling thief injection tidal flat earth's surface, after reaching required sampling depth, by manually applying to upper pulling force to wire rope 3, the end-blocking plate 2 of traction sampling thief bottom overturns, and cuts off sampling thief basic sediment, and under the restriction of spacing peg 5, maintain end-blocking plate 2 and sampling pipe plumbness, thus seal the inner core of sampling thief.Then, artificial vertical extracts sampling thief.After device to be sampled takes out, can as required through hollow out tube wall on-site cutting and take out sediment sample, the coated rear whole cornice of plastic sheeting also can be taked to go back to laboratory.
In the preferred embodiment, handrail 4, through after circular hole, can put the rubber antiskid handle of mountain bike, increasing friction force.For convenience of the sediment core of cutting certain depth, scale can be stamped on sampling pipe 1.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (6)
1. a portable tidal flat paludal sediment sampling thief, it is characterized in that, comprise the sampling pipe of hollow, handrail, end-blocking plate, one or some wire rope, described sampling pipe lower end sidewall offers the aperture adapted with described wire rope quantity, described wire rope lower end through described aperture to penetrate outside described sampling pipe described sampling pipe and with described envelope end plate connection, with when described wire rope is pulled upwardly tight, described end-blocking plate rotary seal residence is affected to state the lower surface of sampling pipe; The sidewall of described sampling pipe offers multiple large-area hollow hole; Described sampling pipe top connects described handrail.
2. one according to claim 1 portable tidal flat paludal sediment sampling thief, it is characterized in that, described sampling pipe lower end sidewall is inwardly provided with the spacing peg for blocking described end-blocking plate, to block described end-blocking plate when described end-blocking plate is turned to certain angle downwards.
3. one according to claim 1 portable tidal flat paludal sediment sampling thief, is characterized in that, described sampling pipe xsect is rectangle, and described end-blocking plate is the rectangle adapted with described sampling pipe xsect.
4. one according to claim 3 portable tidal flat paludal sediment sampling thief, is characterized in that, four sidewalls of described sampling pipe are provided with multiple described hollow hole along the length direction of described sampling pipe is spaced apart.
5. one according to claim 1 portable tidal flat paludal sediment sampling thief, is characterized in that, described sampling pipe is provided with scale along its length.
6. the method for sampling of a kind of portable tidal flat paludal sediment sampling thief according to claim 1,2,3,4 or 5, it is characterized in that, first described end-blocking plate is upwards turned down, it is made to be close to the sidewall of described sampling pipe, described sampling pipe is vertically inserted below the earth's surface, tidal flat marsh that need sample again, after reaching sampling depth, apply to upper pulling force to described wire rope, draw described end-blocking plate to overturn downwards, cut off the sediment bottom described sampling pipe, and seal the inner core of described sampling pipe, then extract sampling pipe.
Priority Applications (1)
| 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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| 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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| CN105067379A true CN105067379A (en) | 2015-11-18 |
| CN105067379B CN105067379B (en) | 2017-11-10 |
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Cited By (4)
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| 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 |
| CN109655308A (en) * | 2019-01-31 | 2019-04-19 | 中国地质大学（武汉） | A kind of Portable detachable opening soil sampler suitable for sludge soft |
| CN113218692A (en) * | 2021-05-07 | 2021-08-06 | 临沂职业学院 | Sampler and sampling method for sediment under ground water |
| CN115876525A (en) * | 2023-02-27 | 2023-03-31 | 寿光市鑫弘规划技术服务有限公司 | Sampling equipment for engineering investigation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| CN105067379B (en) | 2017-11-10 |
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