CN203203831U - Columnar shallow-layer bottom mud sampler - Google Patents
Columnar shallow-layer bottom mud sampler Download PDFInfo
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- CN203203831U CN203203831U CN 201320193217 CN201320193217U CN203203831U CN 203203831 U CN203203831 U CN 203203831U CN 201320193217 CN201320193217 CN 201320193217 CN 201320193217 U CN201320193217 U CN 201320193217U CN 203203831 U CN203203831 U CN 203203831U
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Abstract
The utility model belongs to the field of the environmental engineering, the environmental science, the bioengineering, and the water charging and discharging science and engineering, and relates to a columnar shallow-layer bottom mud sampler. The sampler is composed of a bottom mud sampling device and a bottom mud sample truncation and encapsulation device which is sleeved in the bottom mud sampling device, wherein the bottom mud sampling device comprises a lower handle, an outer sleeve, a guider and a sampling head which are connected in sequence; the bottom mud sample truncation and encapsulation device comprises an upper handle, an inner drive rod and a grounder which are connected in sequence; the inner drive rod is in threaded connection with a fixed nut which is arranged on the inner hole of the outer sleeve in a matching manner, the downward movement of the inner drive rod and the grounder drives an upper driving block, a lower driving block, an inner sleeve, an obstruction block, a driving piece and an amputation knife head to move down, and by the limit of the guider, the lower part of the amputation knife head is gradually turned inwards and close to fold, and the upper handle is located above the upper end surface of the bottom mud sampling device. The sampler disclosed by the utility model has the advantages that the sampling is labor-saving and convenient, the sampling efficiency is high, the sampled sample is integrated, and the sampler is applicable to being used as a sampling device of bottom mud and sediment.
Description
Technical field
The utility model belongs to environmental engineering, environmental science, bioengineering, plumbing scientific and engineering field, is a kind of bed mud and sediment sampler that carries out water environment detection, geochemistry and hydrology and water conservancy Epidemiological Analysis for river, lake, reservoir and neritic province domain.
Background technology
Select the sampling of sediment sampler General Requirements simple and efficient; Reduce in the operating process for the compression of sample as far as possible, preserve sedimental original thickness and hierarchy; Sampling thief can clean rapidly cleaning; Sample is kept intact substantially.The kind of sediment sampler is a lot, and according to the degree of depth of when sampling water body, and bed mud character and composition is different, needs to use dissimilar sediment sampler.Comprise that mainly the circular cone type sampling thief, drill-bit type sampling thief, the suspended type sampling thief that are applicable to sandy substrate sludge sampling get; Be applicable to contain spade formula sampling thief, the freshwater mussel formula sampling thief of cobble bed mud; Be applicable to lake and ocean substrate sludge sampling dredge, snapper grab sampler and columnar sampler three classes.Wherein, because columnar sampler can be used in the chromatographic analysis of bed mud, be convenient in detail in depth investigate bed mud physics, chemistry and biological property, understand the matter and energy circulation law, therefore the detection of bed mud with analyze in be widely used.
The column sediment sampler can be divided into again power-driven machinery formula sediment sampler and manual sampling thief according to the difference of power type.Power-driven machinery formula sampling thief is applicable on a large scale, substrate sludge sampling is movable on a large scale, saves time, laborsaving, efficient is higher, but also has more significant shortcoming.Be mainly manifested in corresponding adapting device complicated, as needing to be equipped with boats and ships in the sampling of large waters; The sampling environment is had higher requirements, as require that the navigation channel is unobstructed, the depth of water is larger, require sufficient electric power supply; Cost is higher; Carry trouble; Need careful maintaining etc.Manual sampling thief is the driving force take the human body masterpiece as sampling thief mainly, utilizes simultaneously leverage to reach the labour-saving purpose.Manually sampling thief can overcome the part shortcoming of power-driven machinery formula sampling thief, forms self distinctive application.But manually blade-like is generally made in the sediment sampler bottom, effort.It should be noted that in addition, substrate sludge sampling work is different from soil sampling, the water cut of bed mud is generally higher, physical property is more special, and the while sampling thief lacks corresponding holding back and blocks column bed mud sample, relies on sample to rupture voluntarily, therefore cause in the actual samples process, the bed mud sample easily comes off, easily by compression, the sample breakage position is uncertain, destroy the original proterties of bed mud, reduced the efficient of substrate sludge sampling work, affects follow-up test and research work.(the transparent mud pipe of adopting of column. Beijing: Beijing Pu Lite Instr Ltd.; Beeker type sediment original state sampling thief. Beijing: Beijing Ao Telan Deco skill company limited).
Summary of the invention
The purpose of this utility model is the defective for above-mentioned existing apparatus, provides a kind of bottom zigzag, inside to have cutting device, keeps the complete own proterties of sample, more laborsaving, work efficiency is higher, guarantee the column sediment sampler of follow-up test working prototype accuracy.
The purpose of this utility model reaches by following measure: a kind of column shallow-layer sediment sampler, by the substrate sludge sampling device be sleeved on bed mud sample in the substrate sludge sampling device and block packaging system and form; Described substrate sludge sampling device comprises lower handle, outer sleeve, guides and the sampling head that connects successively; Described bed mud sample blocks packaging system and comprises upper handle, interior driving stem and the spin that connects successively, interior driving stem is connected with the nut matching thread of deciding on being arranged on the outer sleeve endoporus, moving down of interior driving stem and spin drive drive block, lower drive block, inner sleeve, barrier blocks, driving chip, block cutter head moves down, and the bottom of blocking cutter head is turned in gradually and near closing up, upper handle is positioned on the upper surface of substrate sludge sampling device by guides spacing.Utilize lower handle, outer sleeve, guides and sampling head in vertical direction the bed mud sample to be separated and it is entered in the sleeve with bed mud on every side, guarantee sample not by compression; Utilize upper handle, interior driving stem, inner sleeve, driving chip, block cutter head column bed mud sample is blocked, guarantee that column bed mud sample can be from the sampling thief landing; Sampling head bottom indentation, by lower handle, outer sleeve rotarily drive sampling head cutting bed mud, reach the labour-saving purpose; The guides inboard is semisphere circle nest shape, top and outer sleeve seamlessly transit, block cutter head and under the driving of upper handle, interior driving stem, driving chip, vertically move downward, and through extruding and the adjustment of the inboard semisphere circle of guides nest, thereby to the sleeve center curvature and block sample; Guides top inner and outer diameter is larger, and the bottom inner and outer diameter is less, and the top inner and outer diameter is identical with outer sleeve, and the bottom inner and outer diameter is consistent with sampling head, and the upper and lower outer wall utilizes circular arc to seamlessly transit.Effect has: enter in the bed mud more laborsaving; Guarantee that bed mud can conveniently take out from inner sleeve; The driving chip slideway that forms for inside and outside sleeve leaves the space, makes it not affect the bed mud sample and enters sampling thief, and the bed mud sample is not consisted of compression and destroys dangerous; For the semisphere circle nest of adjusting the driving chip direction leaves the space, make the amputation knife hair wave the effect that it blocks column bed mud sample.
The beneficial effects of the utility model are: compared with prior art integrated outside up big and down small and be with serrate sampling head, can be laborsaving when guaranteeing the columnar sampler substrate sludge sampling, and reduce fail in compression to sample; Column bed mud sample can initiatively be blocked with the sample cutting device in inside, and is promoting packaged sample in the sample process with sampling thief, prevent that sample from coming off, do not affect the bed mud sample simultaneously and enter sampling thief, guarantee sample integrity, increase work efficiency, guarantee the sample test accuracy.
Description of drawings
Fig. 1 is the vertical view that the utility model consists of;
Fig. 2 is the front elevation that the utility model consists of;
Fig. 3 is the I-I sectional view of Fig. 1;
Fig. 4 is the II-II profile of Fig. 2;
Fig. 5 is the A point drawing of Fig. 3;
Fig. 6 is the B point drawing of Fig. 3;
Fig. 7 is the C point drawing of Fig. 3;
Fig. 8 is the D point drawing of Fig. 3;
Fig. 9 is the southwestern normal axomometric drawing that the utility model consists of.
Embodiment
Referring to Fig. 1-Fig. 9:
The utility model is by the substrate sludge sampling device and be sleeved on bed mud sample in the substrate sludge sampling device and block packaging system and form.Described substrate sludge sampling device comprises lower handle 2, outer sleeve 14, guides 18 and the sampling head 19 that connects successively; Described bed mud sample blocks packaging system and comprises upper handle 1, interior driving stem 5 and the spin 13 that connects successively, interior driving stem 5 is connected with nut 4 matching threads of deciding on being arranged on outer sleeve 14 endoporus, moving down of interior driving stem 5 and spin 13 drive drive block 9, lower drive block 10, inner sleeve 15, barrier blocks 21, driving chip 16, block cutter head 17 moves down, and the bottom of blocking cutter head 17 is turned in gradually and near closing up, upper handle 1 is positioned on the upper surface of substrate sludge sampling device by guides 18 spacing.
Such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 9, described substrate sludge sampling device comprises lower handle 2, outer sleeve 14, guides 18 and the sampling head 19 that connects successively.
Described lower handle 2 and outer sleeve 14 are cylindrical, and overall diameter is identical, and the end with outer sleeve 14 is vertically connected on through welding manner lower handle 2 at the mid point position; Described sampling head 19 integral body are cylindrical, and diameter is less than outer sleeve 14, and the bottom is with sawtooth 20; Described guides 18 outsides are the concentric reducer shape, and the top internal diameter is identical with external diameter with outer sleeve 14 internal diameters with external diameter, and lower outer diameter is identical with sampling head 19 external diameters; Outer sleeve 14 adopts with guides 18 and is threaded, and makes things convenient for the taking-up of bed mud sample.Guides 18 adopts welding manner to link together with sampling head 19, and the junction smooth transition is in order to alleviate the resistance that the utility model enters bed mud downwards.When manual rotation and when pressing down lower handle 2, drive outer sleeve 14, guides 18, sampling head 19 and sawtooth 20 rotations, sawtooth 20 cutting bed muds constantly enter in the utility model column bed mud sample.
Such as Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, the bed mud sample blocks packaging system to be comprised successively the upper handle 1, the interior driving stem 5 that connect, decide nut 4, spin 13, upper drive block 9, lower drive block 10, driving chip 16, inner sleeve 15, barrier blocks 21, block cutter head 17 and guides 18, and guides 18 bed mud samples block packaging system and the shared device of substrate sludge sampling device.
Described upper handle 1 and interior driving stem 5 are cylindric, diameter is identical and less than outer sleeve 14 interior diameters, end with interior driving stem 5 is vertically connected on through welding manner upper handle 1 at cylindrical outer wall mid point position, and enters outer sleeve 14 inside by the perforation 3 at mid point position, lower handle 2 top; Described to decide nut 4 cylindrical, is processed with internal thread, and outer wall is welded to connect by circular set collar 8 and outer sleeve 14 inwalls; The position, middle and lower part of interior driving stem 5 is processed with motion thread 6, is threaded with deciding nut 4, when doing in outer sleeve 14 during driving stem 5 in the turn up and down and rotatablely moving; Described spin 13 is spherical shape, and central upper portion has the internal thread circular hole, is connected with interior driving stem 5 lower thread; Described upper drive block 9 and lower drive block 10 are cylindric, upper drive block 9 central upper portion positions have cylindrical hole 11, communicate with first spherical circular hole of lower central position processing, the diameter of cylindrical hole 11 greater than interior driving stem 5 less than first spherical circular hole, upper drive block 9 is processed with internal thread in the bottom of first spherical circular hole of outer wall, lower drive block 10 central upper portion positions are processed with second spherical circular hole identical with first spherical Circularhole diameter of upper drive block 9, and lower drive block 10 outer walls are processed with external thread.When upper drive block 9 and lower drive block 10 are threaded, form spherical hollow space 12, in spherical hollow space 12, be placed with overall diameter greater than the spin 13 in cylindrical hole 11 apertures.After the device that upper drive block 9, lower drive block 10 and spin 13 form and 5 interlocks of interior driving stem, can eliminate interior driving stem 5 by rotatablely moving that motion thread 6 brings, and under it drives, do vertical up-or-down movement along the central shaft of outer sleeve 14.
Totally 8 of described driving chips 16, its xsect is circular-arc, becomes up and down strip of sheet; Described inner sleeve 15 is cylindrical, and its external diameter is less than the internal diameter of outer sleeve 14, and internal diameter is greater than the internal diameter of sampling head 19; Described barrier blocks 21 is rectangular-shaped, and length and inner sleeve 15 are consistent, totally 8.Inner sleeve 15 is set in outer sleeve 14 inside, is installed between lower drive block 10 and the guides 18, and central shaft overlaps with outer sleeve 14, and upper and lower side keeps suitable distance with lower drive block 10 and guides 18 respectively; Inner sleeve 15 outer walls are fixed in outer sleeve 14 inwalls by 8 barrier blocks 21, and each barrier blocks 21 is the radial even distribution of circumference centered by outer sleeve 14 central shafts, and outer sleeve 14, inner sleeve 15 and barrier blocks 21 form the cambered way that 8 groups of spaces equate.8 driving chip 16 tops are fixedly connected with lower drive block 10, and every driving chip 16 passes 8 groups of slideways that one group of outer sleeve 14, inner sleeve 15 and barrier blocks 21 form.Under the drive of lower drive block 10, driving chip 16 can move up and down in vertical direction in the slideway separately.
Described totally 8 of the cutter heads 17 that block are connected to 8 driving chip 16 lower ends, and expose the slideway lower end that forms by outer sleeve 14, inner sleeve 15 and barrier blocks 21.Block cutter head 17 upper ends and be and unidimensional circular-arc of driving chip 16, the bottom is the tip of rounding off, and tip length is between the radius size numerical value of outer sleeve 14 and inner sleeve 15.Described guides 18 top internal diameters are identical with outer sleeve 14 internal diameters, the bottom internal diameter is identical with the internal diameter of sampling head 19, guides 18 tops are threaded with outer sleeve 14, effect is to guarantee that the bed mud sample can take out smoothly, guides 18 bottoms and sampler 19 are welded to connect, the upper and lower is by the diameter arc-shaped surface transition identical with outer sleeve 14 internal diameters, and the center of circle of this curved surface overlaps with the center of circle, guides 18 top.Under moving up and down of the vertical direction of driving chip 16 drives, move downward when blocking cutter head 17, the bottom tip portion is met the curved surface of guides 18 and is stopped by it and change downward direction of motion; Driving chip 16 continues to move downward, cutter head 17 is blocked in drive to slide along guides 18 smooth surfaces, 8 are blocked cutter head 17 and draw close to the center gradually, owing to blocking the tip length of cutter head 17 between the radius size numerical value of outer sleeve 14 and inner sleeve 15, in the process of drawing close, can fit together preferably, thereby block the column bed mud sample that enters in the inner sleeve 15.When the utility model is upwards mentioned, because the encapsulation effect of blocking cutter head 17 can prevent that the bed mud sample from coming off.
For guarantee the utility model installs, carry, facility aspect the maintenance, do not affect simultaneously under the prerequisite of the utility model use, on the top of outer sleeve 14, the position between inner sleeve 15 and the lower drive block 10 is provided with threaded sleeve 22.Threaded sleeve 22 is cylindric, outer wall is processed with and prevents the latticed lines that skids, and the inwall upper and lower part is processed with respectively forward and reverse thread, and inwall mid point position is established annular protrusion and intercepted, corresponding, outer sleeve 14 upper semisection lower ends and lower semisection upper end are processed with forward and reverse external thread.Outer sleeve 14 upper semisections, threaded sleeve 22 and outer sleeve 14 lower semisections are threaded connection to make things convenient for that the utility model is dismantled, installs, carried, maintenance, simultaneously threaded sleeve 22 is arranged herein, can guarantee that outer sleeve 14 major parts enter in the bed mud and can not be subject to stopping of threaded sleeve 22.
Use step of the present utility model is: at first, the utility model vertically is placed on the bed mud surface, manual rotation also presses down lower handle 2, drive outer sleeve 14, guides 18, sampling head 19 and sawtooth 20 rotations descending, sawtooth 20 cutting bed muds constantly enter in the inner sleeve 15 column bed mud sample.Then, manual rotation upper handle 1, by motion thread 6 with decide nut 4, interior driving stem 5 rotations of drive also move downward, by rotatablely moving of driving stem 5 and upper handle 1 in upper drive block 9, lower drive block 10, spin 13 cancellations, drive driving chip 16, block cutter head 17 and move downward, 8 are blocked cutter head 17 and stop and guide through guides 18, gradually near closing up, thereby block the column bed mud sample that enters in the inner sleeve 15.At last, the utility model is proposed from bed mud, reverse rotation upper handle 1, drive is blocked cutter head and is return in the slideway; Because the internal diameter of sampling head 19 is less than the internal diameter of inner sleeve 15, the diameter of the column bed mud sample of process sampling head 19 is less than inner sleeve 15, and therefore outward winding guides 18 and sampling head 19 can take out column bed mud sample easily, carry out layering and encapsulation.
Embodiment of the present utility model is: the whole stainless steel that adopts of the utility model is made.Lower handle 2 wall thickness 2-4mm, external diameter is identical with outer sleeve 14, length 400-500mm; Outer sleeve 14 wall thickness 1-2mm, external diameter 30-60mm, inner sleeve 15 wall thickness 1-1.5mm, external diameter 25-75mm.Outer sleeve 14 internal diameters are greater than inner sleeve 15 external diameter 2-4mm in the same device.Driving chip 16 and block cutter head wall thickness 1-1.5mm.Upper handle 1, interior driving stem 5 diameter 12-16mm, upper handle 1 length 400-500mm, the length 400-500mm of interior driving stem 5, outer sleeve 14 length 1500-2500mm, inner sleeve 15 length 800-1300mm, driving chip 16 length 1000-1500mm.
Claims (5)
1. column shallow-layer sediment sampler is characterized in that, by the substrate sludge sampling device be sleeved on bed mud sample in the substrate sludge sampling device and block packaging system and form; Described substrate sludge sampling device comprises lower handle, outer sleeve, guides and the sampling head that connects successively; Described bed mud sample blocks packaging system and comprises upper handle, interior driving stem and the spin that connects successively, interior driving stem cooperates and is spirally connected with the nut of deciding on being arranged on the outer sleeve endoporus, moving down of interior driving stem and spin drive drive block, lower drive block, inner sleeve, barrier blocks, driving chip, block cutter head moves down, and the bottom of blocking cutter head is turned in gradually and near closing up, upper handle is positioned on the upper surface of substrate sludge sampling device by guides spacing.
2. column shallow-layer sediment sampler according to claim 1, it is characterized in that: described lower handle and outer sleeve are cylindrical, and overall diameter is identical; Described sampling head integral body is cylindrical, and diameter is less than outer sleeve, and the bottom is with sawtooth; Described guides outside is the concentric reducer shape, and the top internal diameter is identical with outer sleeve internal diameter and external diameter with external diameter, and lower outer diameter is identical with the sampling head external diameter.
3. column shallow-layer sediment sampler according to claim 1, it is characterized in that: described upper handle and interior driving stem are cylindric, diameter is identical and less than the outer sleeve interior diameter, interior driving stem enters outer sleeve inside by the perforation at mid point position, lower handle top; Described to decide nut cylindrical, is processed with internal thread, and outer wall is welded to connect by circular set collar and outer sleeve inwall; The position, middle and lower part of interior driving stem is processed with motion thread, and decides nut thread and is connected; Described upper drive block and lower drive block are cylindric, upper drive block central upper portion position has cylindrical hole, communicate with first spherical circular hole of lower central position processing, the diameter of cylindrical hole greater than interior driving stem less than first spherical circular hole, upper drive block is processed with internal thread, and the central upper portion position is processed with second spherical circular hole identical with first spherical Circularhole diameter of upper drive block.
4. column shallow-layer sediment sampler according to claim 1 is characterized in that: described driving chip, and its xsect is circular-arc, becomes up and down strip of sheet; Described inner sleeve is cylindrical, and its external diameter is less than the internal diameter of outer sleeve, and internal diameter is greater than the internal diameter of sampling head; Described barrier blocks is rectangular-shaped, and length and inner sleeve are consistent; Inner sleeve is installed between lower drive block and the guides, and central shaft overlaps with outer sleeve, and upper and lower side keeps suitable distance with lower drive block and guides respectively; Inner sleeve is fixed in the outer sleeve inwall by barrier blocks, is the radial distribution of circumference centered by the sleeve central axis beyond each barrier blocks, and outer sleeve, inner sleeve and barrier blocks form equally distributed circular orbit; Driving chip top is fixedly connected with lower drive block, and every driving chip passes the track that one group of outer sleeve, inner sleeve and barrier blocks form.
5. column shallow-layer sediment sampler according to claim 1, it is characterized in that: the described cutter head that blocks is connected to the driving chip lower end, and exposes the track lower end that is being comprised of outer sleeve, inner sleeve and barrier blocks; Block cutter head upper end and be and unidimensional circular-arc of driving chip, the bottom is the tip of rounding off, and tip length is between the radius size numerical value of outer sleeve and inner sleeve; Described guides top internal diameter is identical with the outer sleeve internal diameter, and the bottom internal diameter is identical with the internal diameter of sampling head, and the upper and lower is by the diameter arc-shaped surface transition identical with the outer sleeve internal diameter, and the center of circle of this curved surface overlaps with the center of circle, guides top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193217 CN203203831U (en) | 2013-04-16 | 2013-04-16 | Columnar shallow-layer bottom mud sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320193217 CN203203831U (en) | 2013-04-16 | 2013-04-16 | Columnar shallow-layer bottom mud sampler |
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| CN203203831U true CN203203831U (en) | 2013-09-18 |
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| CN 201320193217 Withdrawn - After Issue CN203203831U (en) | 2013-04-16 | 2013-04-16 | Columnar shallow-layer bottom mud sampler |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234777A (en) * | 2013-04-16 | 2013-08-07 | 刘树元 | Cylindrical shallow layer sediment sampler |
| CN104062148A (en) * | 2014-06-19 | 2014-09-24 | 浙江大学 | Fixed area detachable bottom mud sampler and sampling method of fixed area detachable bottom mud sampler |
| CN104849102A (en) * | 2015-04-27 | 2015-08-19 | 大连理工大学 | Laminated vibration columnar bottom sampler |
| CN104949861A (en) * | 2015-06-13 | 2015-09-30 | 西南科技大学 | Lake bottom sediment sampling device |
| CN104964849A (en) * | 2015-04-14 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | Novel sediment sampler |
| CN113081066A (en) * | 2021-05-06 | 2021-07-09 | 成都市双流区第一人民医院 | Vaginal secretion sampling and storing device |
| CN116399642A (en) * | 2023-06-08 | 2023-07-07 | 珠江水利委员会珠江水利科学研究院 | Columnar sampler suitable for in-situ sampling of sandy and silt sediments |
| CN117491076A (en) * | 2023-12-29 | 2024-02-02 | 烟台新旧动能转换研究院暨烟台科技成果转移转化示范基地 | Subsea water sampler based on blue carbon and method |
-
2013
- 2013-04-16 CN CN 201320193217 patent/CN203203831U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234777A (en) * | 2013-04-16 | 2013-08-07 | 刘树元 | Cylindrical shallow layer sediment sampler |
| CN104062148A (en) * | 2014-06-19 | 2014-09-24 | 浙江大学 | Fixed area detachable bottom mud sampler and sampling method of fixed area detachable bottom mud sampler |
| CN104964849A (en) * | 2015-04-14 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | Novel sediment sampler |
| CN104849102A (en) * | 2015-04-27 | 2015-08-19 | 大连理工大学 | Laminated vibration columnar bottom sampler |
| CN104849102B (en) * | 2015-04-27 | 2017-05-24 | 大连理工大学 | Laminated vibration columnar bottom sampler |
| CN104949861A (en) * | 2015-06-13 | 2015-09-30 | 西南科技大学 | Lake bottom sediment sampling device |
| CN113081066A (en) * | 2021-05-06 | 2021-07-09 | 成都市双流区第一人民医院 | Vaginal secretion sampling and storing device |
| CN116399642A (en) * | 2023-06-08 | 2023-07-07 | 珠江水利委员会珠江水利科学研究院 | Columnar sampler suitable for in-situ sampling of sandy and silt sediments |
| CN116399642B (en) * | 2023-06-08 | 2023-09-01 | 珠江水利委员会珠江水利科学研究院 | Columnar sampler suitable for in-situ sampling of sandy and silt sediments |
| CN117491076A (en) * | 2023-12-29 | 2024-02-02 | 烟台新旧动能转换研究院暨烟台科技成果转移转化示范基地 | Subsea water sampler based on blue carbon and method |
| CN117491076B (en) * | 2023-12-29 | 2024-03-12 | 烟台新旧动能转换研究院暨烟台科技成果转移转化示范基地 | Subsea water sampler based on blue carbon and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20150422 |