CN101886987B - Portable static sediment sampler - Google Patents
Portable static sediment sampler Download PDFInfo
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- CN101886987B CN101886987B CN2010102003167A CN201010200316A CN101886987B CN 101886987 B CN101886987 B CN 101886987B CN 2010102003167 A CN2010102003167 A CN 2010102003167A CN 201010200316 A CN201010200316 A CN 201010200316A CN 101886987 B CN101886987 B CN 101886987B
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Abstract
The invention relates to the technical field of water sediment collecting devices, in particular to a portable static sediment sampler. The portable static sediment sampler comprises a fluid sediment collecting cavity (16), a solid sediment collecting cavity (17), a drainage cavity (18) and a connecting rod (19); the fluid sediment collecting cavity (16) mainly comprises a fluid sediment cavity body (1) and a unidirectional loose leaf (2); the solid sediment collecting cavity (17) comprises a solid sediment cavity body (3) and a coaxially installed cavity core (4); and the drainage cavity (18) mainly comprises a drainage cavity body (9), a drainage hole (14) is drilled on the bottom surface of the drainage cavity, and a rubber movable cover (13) is arranged on the upper surface. The invention not only stops the loss of fluid sediments, but also can prevent the interference of water for a sample through the unidirectional loose leaf and the rubber movable cover; solid sediments are collected into a transparent cavity core, so that not only the state of the solid sediments can be visually observed, but also the spatial distribution of the sediments can not be damaged; and the sampler is flexible and accurate and has the characteristics of portability, flexibility and simple operation.
Description
Technical field
The present invention relates to the technical field of water body static sediment harvester, relate in particular to a kind of can the one man operation, accurately gather and do not destroy the static sediment sampler of sample integrity.
Background technology
The sediment of water body (bed mud) can be regarded as the storage vault of the chemical substance that enters water body.Sedimental chemical constitution not only can reflect nourishment source the flow through rock, the weathering and erosion effect of soil on ground, simultaneously the environmental pollution around the water body, physical environment variation etc. is had good indicative function.Have certain mass exchange between sediment and the water body, sedimental chemical constitution all has certain influence to the water quality of water body, the biology in the water etc.Can follow the trail of source, announcement environmental change rule and mankind's activity may influence of pollution source to water quality by sediment.
At present, what the water body deposit sample collecting adopted is the sampling thief of grab bucket form, has following deficiency:
(1) this sampling thief adopts rope to place, and gathers the restriction that sediment depth is subjected to the sampling thief own wt, can only gather fluidised form sediment (being the higher bed mud of water percentage), can not gather deep layer or solid deposited thing (being the low bed mud of water percentage);
(2) this sampling thief heaviness, the 1～5L that at every turn samples needs to adopt mechanical lifting or many people promote;
(3) behind the collection sediment, be subjected to washing away of current in the process that promotes, sample runs off too much, and sample is subjected to certain pollution of water body simultaneously;
(4) sample of Cai Jiing is a biased sample, can't the chromatographic analysis sediment.
Also there is at present the drilling equipment of visiting use to gather sediment with adopting, still visits the equipment heaviness and be not suitable for static sediment and gather requirement.
Summary of the invention
The technical problem to be solved in the present invention is, need auxiliary, heavy, the complex operation of other facilities and the deficiency that can't obtain the static sedimentation matter sample that is not disturbed in order to overcome existing sediment (bed mud) sampling thief, a kind of static sediment sampler is provided, can the one man operation, can gather fluidised form or solid-state, and can not destroy the sediment spatiality of collection, can layering observe or analyze sediment.
To achieve the object of the present invention, the technical scheme that is adopted is (can consult accompanying drawing):
A kind of portable static sediment sampler, structure are divided into fluidised form sediment acquisition cavity 16, solid deposited thing acquisition cavity 17, drain chamber 18 and 19 4 parts of connecting link;
Described fluidised form sediment acquisition cavity 16 mainly is made up of the fluidised form sediment cavity 1 and the unidirectional loose-leaf 2 of drum; There is screw thread the inboard of fluidised form sediment cavity 1 upper end, and there is the sleeve pipe 12 of annular the inboard, lower end; Unidirectional loose-leaf 2 has two, axis 11 be contained in sleeve pipe 12 above, the straight flange of unidirectional loose-leaf 2 can upwards be dug around axis 11 respectively, thus two unidirectional loose-leaves 2 fall after rise downwards and cover sealing fluidised form sediment cavity 1 lower end on sleeve pipe 12;
Described solid deposited thing acquisition cavity 17 is that solid deposited thing cavity 3 and the coaxial chamber core 4 that drum is housed of Qi Nei by drum constitutes; The outer surface thread of the lower end of solid deposited thing cavity 3 cooperates with the inside thread of fluidised form sediment cavity 1 upper end, and fluidised form sediment acquisition cavity 16 and solid deposited thing acquisition cavity 17 are spun; In having, solid deposited thing cavity 3 lower ends continue to use in support chamber core 4;
Described drain chamber 18 mainly is made of draining cavity 9, the drain chamber bottom surface 7 that is connected the columnar drain chamber lower edge 6 of draining cavity 9 belows and is fixed on the circle in the draining cavity 9; Drain chamber lower edge 6 can be enclosed within solid deposited thing cavity 3 outsides, interconnects by coupling bolt 5; Drain chamber bottom surface 7 has osculum 14, and drain chamber bottom surface 7 is covered just on solid deposited thing cavity 3 when coupling bolt 5 connects draining cavity 9 and solid deposited thing cavity 3; Rubber detachable cap 13 is housed above the drain chamber bottom surface 7, and rubber detachable cap 13 centers are connected with drain chamber bottom surface 7 with set bolt 15;
Described connecting link 19 is connected by short silk 8 with drain chamber 18 tops.
According to the degree of depth difference of sampling, described connecting link 19 can continue to connect connecting link 19 by short silk 8, makes connecting link 19 meet the requirements of length.That is, with short silk more than 8 joint connecting links 19 are connected in series and make connecting link 19 lengthenings, until the bottom.
When unidirectional loose-leaf 2 enters fluidised form sediment cavity 1 at the fluidised form sediment, upwardly open; Sleeve pipe 12 in fluidised form sediment cavity 1 lower ending opening inside, its inside radius can stop unidirectional loose-leaf 2 to be opened downwards less than the radius of unidirectional loose-leaf 2.
Described rubber detachable cap 13 can upwardly open or downward closure around set bolt 15 all around.Rubber detachable cap 13 radiuses can be identical with drain chamber bottom surface 7 radiuses, and the soft or hard degree of rubber detachable cap 13 should can upwardly open when draining all around.
The present invention interconnects by connecting link 9, is applicable to the depth of water of maximum 5m, uses short silk 8 to connect into longer connecting link, can reach the bigger degree of depth on some project.When gathering fluidised form sediment (bed mud that water percentage is higher), the unidirectional loose-leaf 2 of fluidised form sediment acquisition cavity 16 bottoms upwardly opens after touching sediment, the fluidised form sediment enters fluidised form sediment cavity 1, the water on top arranges the rubber detachable cap 13 of drain chamber 18, discharge from osculum 14, after sampling is finished, when static sediment sampler is upwards mentioned, unidirectional loose-leaf 2 drops down onto level, with the sealing of fluidised form sediment acquisition cavity, rubber detachable cap 13 falls after rise seals osculum 14, makes and forms negative pressure in the whole cavity, further stop sample to run off, also can prevent that in lifting process sample is subjected to the interference and the pollution of water body simultaneously.After static sediment sampler is left the water, fluidised form sediment acquisition cavity is unloaded, get inner sample and in container, preserve.
When gathering solid deposited thing (bed mud that water percentage is lower), fluidised form sediment acquisition cavity can be unloaded, utilize rigid connecting rod 9 vertically static sediment sampler to be inserted in the sediment, and firmly press down, this moment is in solid deposited thing acquisition cavity 17 inside, the solid deposited thing enters chamber core 4, and the water on sediment sample upper strata arranges the rubber detachable cap 13 of drain chamber 18, discharges from osculum 14.After reaching predetermined depth sampling thief is promoted, rubber detachable cap 13 falls after rise seals osculum 14, makes to form negative pressure in the solid deposited thing acquisition cavity 17, and the solid deposited thing has certain viscosity simultaneously, can not come off from chamber core 4.After static sediment sampler is left the water, unload drain chamber 6, the transparent chamber core 4 of inside is taken out from cavity 3, preservation is sealed with rubber plug in two.
The invention has the beneficial effects as follows: not only stop the loss of fluidised form sample but also can prevent the interference of sealing sample by unidirectional loose-leaf and rubber piston; The solid deposited thing can collect in the transparent chamber core, not only can observe the sediment state but also can not destroy the sediment space distribution, has strengthened the sample science.Sampler flexibly and accurately has characteristics portable, flexible, simple to operate, is not increasing under monitoring personnel's the labour intensity condition, has improved the precision and the efficient of sampling.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is the structural representation of fluidised form sediment acquisition cavity 16;
Fig. 3 is the structural representation of drain chamber 18.
Embodiment
In conjunction with the accompanying drawings principle of work of the present invention and embodiment are described in detail.
Among Fig. 1,16～19 represent four parts of structure of the present invention respectively, that is, the 16th, fluidised form sediment acquisition cavity, the 17th, solid deposited thing acquisition cavity, the 18th, drain chamber, the 19th, connecting link.Each parts of the present invention are respectively: 1 is fluidised form sediment cavity, and 2 is unidirectional loose-leaf, and 3 is solid deposited thing cavity, and 4 is the chamber core, and 5 is coupling bolt, and 6 is the drain chamber lower edge, and 7 is the drain chamber bottom surface, and 8 are short silk, and 9 is connecting link.Fluidised form sediment acquisition cavity 16 spins by the solid deposited thing acquisition cavity 17 of screw thread and its top; Solid deposited thing acquisition cavity 17 is connected by the drain chamber 18 of coupling bolt 5 with its top; Drain chamber 18 spins by the connecting link 9 of short silk 8 with its top.
1) fluidised form sediment acquisition cavity 16: fluidised form sediment cavity 1 holds the fluidised form sample of collection, and unidirectional loose-leaf 2 has two, and in the unidirectional loose-leaf 2 shown in Figure 1, left side a slice is an opening, and the right a slice is a closure state.During static sediment sampler contact sediment, unidirectional loose-leaf 2 upwardly opens, and the fluidised form sediment is entered in the fluidised form sediment cavity 1.After finishing, collection promotes sampler, unidirectional loose-leaf 2 drops down onto level (closure state), sleeve pipe 12 by fluidised form sediment cavity 1 lower port inside stops, can not continue downward unlatching, unidirectional loose-leaf 2 will be sealed fluidised form sediment cavity 1 this moment, guarantee that promptly sample is not disturbed the loss that prevents sample again by water body.
2) solid deposited thing acquisition cavity 17: when gathering static solid deposited thing, lay down fluidised form sediment acquisition cavity 16.With solid deposited thing acquisition cavity 17 vertical the insertions in the water body bed mud of static sediment sampler, the solid deposited matter sample enters the transparent chamber core 4 that is positioned at solid deposited thing cavity 3 inside.After inserting predetermined depth, static sediment sampler is left the water, unload drain chamber 18, chamber core 4 is taken out, the preservation sample is sealed at transparent chamber core 4 two ends with plug.Sample keeps original space distribution in the transparent chamber core, be not interfered, can be to sample layering observation and assay.
Described solid deposited thing cavity 3 should be the circle tooth shape bottom, so that can make solid deposited thing cavity 3 insert bed mud with less pressure, as shown in fig. 1.
3) drain chamber 18: detailed structure is seen embodiment 3 and Fig. 3.In the sampling process, the water on sediment sample top is discharged by the osculum 14 that has on the drain chamber bottom surface 7.After sampling was finished, when upwards promoting sampler, rubber detachable cap 13 was sealed osculum 14, made the inner negative pressure that forms of sampler, guaranteed that inner sample can not flow out or landing, and anti-simultaneously sealing is to the interference of sample.
4) connecting link 19: connecting link 19 is the rigidity straight-bar, spins with draining cavity 9 upper ends by short silk 8.Many connecting links 19 can interconnect by several short silks 8, reach expection length, that is, can extend flexibly under particular requirement.Connecting link 19 is vertical to be inserted in the water body deposits, makes sediment enter fluidised form sediment cavity 1 or/and solid deposited thing cavity 3, and the water on top is discharged by the osculum 14 of drain chamber 18.
Among Fig. 2,1 is fluidised form sediment cavity, and 2 is unidirectional flap, is semicircular two, and 11 is axis, and 12 is sleeve pipe.Vertical dotted line among Fig. 2 is represented to spin between fluidised form sediment acquisition cavity 16 and the solid deposited thing acquisition cavity 17.
The straight flange of two unidirectional flaps 2 and axis 11 are dynamically connected, and two unidirectional flaps 2 all can rotate around axis 11; Two unidirectional flap 2 falling meetings are blocked by sleeve pipe 12, and it is circular to be the placing flat state group, can cover and seal fluidised form sediment cavity 1.
Two unidirectional flaps 2 can upwardly open when gathering the fluidised form sediment, and the water that the fluidised form sediment sample enters above fluidised form sediment cavity 1 sample can be discharged from osculum 14; Sample collecting finishes when upwards mentioning static sediment sampler, two unidirectional flaps 2 falling sealing downwards fluidised form sediment cavitys 1, and the inner negative pressure that forms of while static sediment sampler, the assurance sample does not run off and does not pollute.
Among Fig. 3,6 is the drain chamber lower edge, and 7 is the drain chamber bottom surface, 13 is the rubber detachable cap, can be the round rubber lid identical with the drain chamber inside radius, and 14 is osculum, vertical opens on drain chamber bottom surface 7, and 15 is set bolt, with the center fixation of rubber detachable cap 13 center in drain chamber bottom surface 7.
In drainage procedure, to open around the rubber detachable cap 13 on top, water flows out by osculum 14.Finish when upwards mentioning static sediment sampler in the sediment collection, top hydraulic pressure falls rubber detachable cap 13 after rise, seals osculum 14, makes the inner negative pressure that forms of static sediment sampler, and sample can not flow out or landing.
Claims (4)
1. a portable static sediment sampler is characterized in that, structure is divided into fluidised form sediment acquisition cavity (16), solid deposited thing acquisition cavity (17), drain chamber (18) and (19) four parts of connecting link;
Described fluidised form sediment acquisition cavity (16) mainly is made up of the fluidised form sediment cavity (1) and the unidirectional loose-leaf (2) of drum; There is screw thread the inboard of fluidised form sediment cavity (1) upper end, and there is the sleeve pipe (12) of annular the inboard, lower end; Unidirectional loose-leaf (2) has two, axis (11) be contained in sleeve pipe (12) above, the straight flange of unidirectional loose-leaf (2) can upwards be dug around axis (11) respectively, two unidirectional loose-leaves (2) fall after rise downwards cover at sleeve pipe (12) thus above sealing fluidised form sediment cavity (1) lower end;
Described solid deposited thing acquisition cavity (17) is solid deposited thing cavity (3) and its interior coaxial chamber core (4) formation that drum is housed by drum; The inboard threaded engagement of the screw thread of the lower end outside surface of solid deposited thing cavity (3) and fluidised form sediment cavity (1) upper end can make fluidised form sediment acquisition cavity (16) and solid deposited thing acquisition cavity (17) spin; In having, solid deposited thing cavity (3) lower end continues to use in support chamber core (4);
Described drain chamber (18), mainly by draining cavity (9), be connected the columnar drain chamber lower edge (6) of draining cavity (9) below and be fixed on drain chamber bottom surface (7) formation of the circle in the draining cavity (9); Drain chamber lower edge (6) can be enclosed within solid deposited thing cavity (3) outside, interconnects by coupling bolt (5); Drain chamber bottom surface (7) has osculum (14), and drain chamber bottom surface (7) are covered just on solid deposited thing cavity (3) when coupling bolt (5) connects draining cavity (9) and solid deposited thing cavity (3); Rubber detachable cap (13) is housed above the drain chamber bottom surface (7), and rubber detachable cap (13) center is connected with drain chamber bottom surface (7) with set bolt (15);
Described connecting link (19) is connected by short silk (8) with drain chamber (18) top.
2. according to the described portable static sediment sampler of claim 1, it is characterized in that described connecting link (19) can continue to connect connecting link (19) by short silk (8), makes connecting link (19) meet the requirements of length.
3. according to claim 1 or 2 described portable static sediment samplers, it is characterized in that described chamber core (4) is the transparent chamber core; Described solid deposited thing cavity (3) is the circle tooth shape bottom.
4. according to claim 1 or 2 described portable static sediment samplers, it is characterized in that described rubber detachable cap (13) can upwardly open or downward closure around set bolt (15) all around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102003167A CN101886987B (en) | 2010-06-13 | 2010-06-13 | Portable static sediment sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102003167A CN101886987B (en) | 2010-06-13 | 2010-06-13 | Portable static sediment sampler |
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| Publication Number | Publication Date |
|---|---|
| CN101886987A CN101886987A (en) | 2010-11-17 |
| CN101886987B true CN101886987B (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102003167A Expired - Fee Related CN101886987B (en) | 2010-06-13 | 2010-06-13 | Portable static sediment sampler |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095603B (en) * | 2010-12-09 | 2012-10-31 | 中国地质大学 | Switch for automatically discharging and resisting scouring |
| CN103439144B (en) * | 2013-08-09 | 2015-09-30 | 中国水产科学研究院南海水产研究所 | A kind of underwater sediment 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 |
| CN106124240B (en) * | 2016-08-26 | 2019-03-01 | 长春工程学院 | A kind of undisturbed cylindrical sediment collector |
| CN107796647B (en) * | 2017-10-17 | 2019-12-31 | 河海大学 | Soil sampler and sampling method thereof |
| CN111707793B (en) * | 2020-06-19 | 2021-06-29 | 中国科学院南京地理与湖泊研究所 | In-situ rapid measuring device for shallow water body sediments |
| CN116899951B (en) * | 2023-08-04 | 2024-03-12 | 南京飞达机械有限公司 | Pneumatic lifting machine and method for cleaning sediment at bottom of pool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414361A (en) * | 2002-11-28 | 2003-04-30 | 浙江大学 | Mechanical hand hold type deposit sediment sampler without boundary disturbance |
| CN2911645Y (en) * | 2006-05-30 | 2007-06-13 | 中国水产科学研究院珠江水产研究所 | Column sampler for pond bottom mud |
| CN201732019U (en) * | 2010-06-13 | 2011-02-02 | 吉林大学 | Portable static sediment sampler |
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2010
- 2010-06-13 CN CN2010102003167A patent/CN101886987B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414361A (en) * | 2002-11-28 | 2003-04-30 | 浙江大学 | Mechanical hand hold type deposit sediment sampler without boundary disturbance |
| CN2911645Y (en) * | 2006-05-30 | 2007-06-13 | 中国水产科学研究院珠江水产研究所 | Column sampler for pond bottom mud |
| CN201732019U (en) * | 2010-06-13 | 2011-02-02 | 吉林大学 | Portable static sediment sampler |
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| CN101886987A (en) | 2010-11-17 |
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Granted publication date: 20111123 Termination date: 20120613 |