CN113720635A - Large-depth mangrove wetland sediment sampler - Google Patents
Large-depth mangrove wetland sediment sampler Download PDFInfo
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- CN113720635A CN113720635A CN202110961940.7A CN202110961940A CN113720635A CN 113720635 A CN113720635 A CN 113720635A CN 202110961940 A CN202110961940 A CN 202110961940A CN 113720635 A CN113720635 A CN 113720635A
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- depth
- sampling cylinder
- accommodating cavity
- scraping
- sediment sampler
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention provides a large-depth mangrove wetland sediment sampler, which comprises: the device comprises a sampling cylinder, a drill bit arranged at the bottom of the sampling cylinder, a rotary handle arranged at the top of the sampling cylinder and a scraper plate connected with the sampling cylinder; an accommodating cavity is formed in the sampling cylinder, a strip-shaped opening is formed in one side of the accommodating cavity, the strip-shaped opening extends in the direction from the top of the sampling cylinder to the bottom of the sampling cylinder, and a first clamping matching part is arranged on the inner wall of the accommodating cavity; the scraping plate is arc-shaped and provided with a scraping part and a second clamping matching part, and the scraping plate is rotatably connected with the inner wall of the accommodating cavity. The large-depth mangrove wetland sediment sampler provided by the invention can easily enter a large-depth soil layer and can completely collect columnar mud samples, so that the sampling efficiency of field work is improved, the large-depth sediment samples can be collected in different vegetation areas of a coastal wetland, the operation is convenient, and the structural design is ingenious.
Description
Technical Field
The invention relates to the technical field of environmental sampling, in particular to a large-depth mangrove wetland sediment sampler.
Background
The mangrove wetland belongs to a coastal wetland, namely a staggered transition zone in a land ecosystem and a marine ecosystem. The wetland has the ecological values of preventing seawater invasion, supplementing underground water, burying organic carbon, depositing nutrient substances, adjusting climate, maintaining biological diversity and ecological functions and the like. There are many knowledge gaps in these areas such as ecological effects that require ecological assessment and scientific research by taking samples in the field.
In order to research the distribution of various chemical elements in sediments in mangrove wetland and the rules of burying, distributing, transforming and migrating pollutants in the sediments along the depth, a sediment sample with a large depth gradient needs to be collected. However, when wetland sediments are sampled, the conventional sampler has the problem of small sampling depth. Because the pressure of deep soil is larger, the existing collector can only enter shallow soft soil layers and is difficult to enter hard deep soil, so that the whole column sample is difficult to collect on a large depth gradient.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a sampler for sediments in a mangrove wetland with large depth.
One embodiment of the invention provides a large-depth mangrove wetland sediment sampler, which comprises: the device comprises a sampling cylinder, a drill bit arranged at the bottom of the sampling cylinder, a rotary handle arranged at the top of the sampling cylinder and a scraper plate connected with the sampling cylinder;
an accommodating cavity is formed in the sampling cylinder, a strip-shaped opening is formed in one side of the accommodating cavity, the strip-shaped opening extends in the direction from the top of the sampling cylinder to the bottom of the sampling cylinder, and a first clamping matching part is arranged on the inner wall of the accommodating cavity;
the scraping plate is arc-shaped and provided with a scraping part and a second clamping matching part, the scraping part is positioned on the side edge of the scraping plate, and the scraping plate is rotationally connected with the inner wall of the accommodating cavity;
when the scraping plate rotates along a preset direction, the scraping plate extends out of the accommodating cavity from the strip-shaped opening, and the scraping part is positioned in front of the scraping plate in the preset direction;
scrape the flitch and be following preset direction rotates the back, scrape the flitch and seal the bar opening, first joint cooperation portion with second joint cooperation portion joint.
Compared with the prior art, the large-depth mangrove wetland sediment sampler disclosed by the invention can easily enter a large-depth soil layer and can completely collect columnar mud samples, so that the sampling efficiency of field work is improved, the large-depth sediment samples can be collected in different vegetation areas of the coastal wetland, the operation is convenient, and the structural design is ingenious.
Further, when the first clamping matching part is clamped with the second clamping matching part, the scraping part is positioned in the accommodating cavity.
Further, scrape material portion including setting up scrape the guide surface of flitch side and scrape the material cutting edge of a knife or a sword, scrape the material cutting edge of a knife or a sword and be formed at the guide surface with scrape the flitch and deviate from the junction of the one side in holding chamber, the guide surface is in predetermine the orientation and keep away from gradually the holding chamber.
Furthermore, a through groove is formed in the top of the accommodating cavity;
the big degree of depth mangrove wetland deposit sample thief is still including setting up the rotation piece at sampling cylinder top, the top of scraping the flitch is passed logical groove with it is connected to rotate the piece.
Further, the top of the sampling cylinder is provided with an upright post, and the rotating handle is arranged on the upright post;
the large-depth mangrove wetland sediment sampler further comprises a lantern ring sleeved on the stand column, and the lantern ring is connected with the rotating piece.
Further, a support surface on which the foot steps is formed on the rotor.
Furthermore, the bottom of the accommodating cavity is provided with a sliding groove, and the bottom of the scraping plate extends into the sliding groove.
Further, the drill bit includes the setting in the drilling rod of sampling barrel bottom and setting in the flight of drilling rod side, the bottom of drilling rod is the toper.
Further, the radius of the flight is tapered in a direction toward the bottom of the drill pipe.
Further, first joint cooperation portion is the draw-in groove, second joint cooperation portion is for setting up scrape the flitch and deviate from the lug of the one side in holding chamber, scrape the flitch and be following predetermine the direction and rotate the back, it seals to scrape the flitch the bar opening, the lug card is gone into in the draw-in groove.
In order that the invention may be more clearly understood, specific embodiments thereof will be described hereinafter with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a large-depth mangrove wetland sediment sampler according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view of a large depth mangrove wetland sediment sampler with the strip-shaped opening open according to one embodiment of the present invention;
FIG. 3 is a cross-sectional view of a large depth mangrove wetland sediment sampler in a closed strip-shaped opening in accordance with one embodiment of the present invention;
FIG. 4 is a cross-sectional view of the partial structure of a large depth mangrove wetland sediment sampler in a closed strip-shaped opening of one embodiment of the present invention;
FIG. 5 is a schematic structural view of the top of a large depth mangrove wetland sediment sampler with a hidden rotating handle according to one embodiment of the present invention;
fig. 6 is a sectional view showing a partial structure of a large-depth mangrove wetland sediment sampler according to one embodiment of the present invention.
Description of reference numerals:
10. a sampling cartridge; 11. an accommodating cavity; 12. a strip-shaped opening; 13. a first snap fit portion; 14. a through groove; 15. a rotating member; 151. a support surface; 16. a column; 17. a collar; 18. a chute; 20. a drill bit; 21. a drill stem; 22. a spiral sheet; 30. rotating the handle; 40. a scraping plate; 41. a scraping part; 411. a material guiding surface; 412. scraping the material blade; 43. a second snap fit portion; 50. and (6) sampling soil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a sampler for large-depth mangrove wetland sediments according to an embodiment of the present invention, the sampler for large-depth mangrove wetland sediments comprises: the sampling device comprises a sampling cylinder 10, a drill bit 20 arranged at the bottom of the sampling cylinder 10, a rotating handle 30 arranged at the top of the sampling cylinder 10 and a scraper plate 40 connected with the sampling cylinder 10;
referring to fig. 2, fig. 3 and fig. 4, fig. 2 is a sectional view of a large-depth mangrove wetland sediment sampler according to an embodiment of the present invention when a strip-shaped opening is opened, fig. 3 is a sectional view of a large-depth mangrove wetland sediment sampler according to an embodiment of the present invention when the strip-shaped opening is closed, fig. 4 is a sectional view of a partial structure of the large-depth mangrove wetland sediment sampler according to an embodiment of the present invention when the strip-shaped opening is closed, a receiving cavity 11 is formed in the sampling cylinder 10, a strip-shaped opening 12 is formed on one side of the receiving cavity 11, the strip-shaped opening 12 extends in a direction from the top of the sampling cylinder 10 to the bottom of the sampling cylinder 10, and a first snap-fit part 13 is arranged on the inner wall of the receiving cavity 11; the scraping plate 40 is arc-shaped and provided with a scraping part 41 and a second clamping matching part 43, the scraping part 41 is located on the side edge of the scraping plate 40, and the scraping plate 40 is rotatably connected with the inner wall of the accommodating cavity 11. When the sampler is used, the scraping plate 40 is rotated to seal the strip-shaped opening 12, the sampler is inserted into soil, the sampling cylinder 10 can be driven to rotate by rotating the handle 30, so as to drive the drill bit 20 to rotate, so that the sampling cylinder 10 extends into the soil layer, when the top end of the sampling cylinder 10 is approximately flush with the surface of the soil, the scraping plate 40 is rotated in the opposite direction of the preset direction, so that the scraping plate 40 opens the strip-shaped opening 12, then the scraping plate 40 rotates back and forth in the opposite direction of the preset direction, because the scraping part 41 of the scraping plate 40 is positioned in front of the scraping plate 40 in the preset direction when the scraping plate 40 is in the preset direction, the soil samples 50 around the sampling cylinder 10 can be scraped by the scraping part 41 for collection, and the scraping part 41 scrapes a sufficient amount of the soil samples 50 back and forth by rotating the scraping plate 40 back and forth; then, the strip-shaped opening 12 is closed through the scraper plate 40, the scraped soil sample 50 is limited in the sampling cylinder 10, the first clamping matching part 13 is clamped with the second clamping matching part 43, so that the scraper plate 40 is fixed, and then the sampling cylinder 10 is lifted through rotating the handle to finish the collection; finally, the sampling cylinder 10 is placed horizontally, the scraper plate 40 is rotated to open the strip-shaped opening 12, complete cylindrical soil can be obtained, and then the scraper plate 40 is rotated to close the strip-shaped opening 12, so that the sampler can be safely carried.
In order to improve the carrying safety of the sampler, in some optional embodiments, when the first clamping matching part 13 is clamped with the second clamping matching part 43, the material scraping part 41 is located in the accommodating cavity 11, so as to prevent the material scraping part 41 from harming personnel.
In order to facilitate the formation of the scraping portion 41, in some optional embodiments, the scraping portion 41 includes a material guiding surface 411 and a material scraping blade 412 that are disposed at a side of the scraping plate 40, the material scraping blade 412 is formed at a junction of the material guiding surface 411 and a side of the scraping plate 40 that is away from the accommodating cavity 11, the sharp material scraping blade 412 can efficiently scrape the soil sample 50, the material guiding surface 411 is gradually away from the accommodating cavity 11 in the preset direction, and when the scraping plate 40 rotates in the preset direction, due to the angle design of the material guiding surface 411, soil can be guided into the sampling cylinder 10. Of course, the structure of the scraping portion 41 is not limited thereto, and those skilled in the art can select other suitable structures according to the teaching of the present invention and the actual soil structure, for example, the scraping portion 41 can also adopt a saw-toothed structure.
Referring to fig. 5 and 6, fig. 5 is a schematic structural diagram of the top of a large-depth mangrove wetland sediment sampler in an embodiment of the present invention when a rotating handle is hidden, fig. 6 is a sectional view of a partial structure of the large-depth mangrove wetland sediment sampler in an embodiment of the present invention, and in some alternative embodiments, a through groove 14 is arranged at the top of the accommodating cavity 11; the large-depth mangrove wetland sediment sampler further comprises a rotating piece 15 arranged at the top of the sampling cylinder 10, and the top of the scraper plate 40 penetrates through the through groove 14 to be connected with the rotating piece 15. Through the logical groove 14 design of fretwork formula, the staff of being convenient for drives scraping the flitch 40 and rotates along leading to the groove 14 through removing rotation piece 15 to the both ends that lead to the groove 14 can also play the effect of location.
In order to improve the stability of the movement of the rotating member 15, in some alternative embodiments, the top of the cartridge 10 is provided with an upright post 16, and the rotation handle 30 is arranged on the upright post 16; big degree of depth mangrove wetland deposit sample thief still establishes including the cover lantern ring 17 on the stand 16, lantern ring 17 with rotate piece 15 and connect, when rotating piece 15, lantern ring 17 rotates stand 16 relatively.
In some alternative embodiments, the rotatable member 15 is formed with a foot-treaded support surface 151, and when the cartridge 10 is inserted into the ground, the foot-treaded support surface 151 provides pressure to facilitate the operator pressing the cartridge 10 into the ground.
In order to improve the stability of the scraper plate 40 during rotation, in some alternative embodiments, the bottom of the receiving cavity 11 is provided with a sliding slot 18, and the bottom of the scraper plate 40 extends into the sliding slot 18.
In order to facilitate the sampling cartridge 10 to penetrate into the soil, in some alternative embodiments, the drill bit 20 comprises a drill rod 21 arranged at the bottom of the sampling cartridge 10 and a spiral blade 22 arranged at the side of the drill rod 21, wherein the bottom of the drill rod 21 is tapered, so that the drill bit 20 can be used for drilling through the soil layer when the sampling cartridge 10 is rotated, and the sampling cartridge 10 can enter the deeper soil layer more easily.
In some alternative embodiments, the radius of the flight 22 tapers in a direction towards the bottom of the drill stem 21, the helix being configured to better insert the cartridge 10 into deeper layers of mud.
In some optional embodiments, the first clamping matching portion 13 is a clamping groove, the second clamping matching portion 43 is a protrusion disposed on a side of the scraping plate 40 departing from the accommodating cavity 11, after the scraping plate 40 rotates along the preset direction, the scraping plate 40 seals the strip-shaped opening 12, and the protrusion is clamped into the clamping groove. Of course, in some other alternative embodiments, the first snap-fit portion 13 may also be a protrusion, and the second snap-fit portion 43 is a snap groove disposed on a side of the scraper plate 40 facing away from the accommodating cavity 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a big degree of depth mangrove wetland deposit sample thief which characterized in that includes: the device comprises a sampling cylinder, a drill bit arranged at the bottom of the sampling cylinder, a rotary handle arranged at the top of the sampling cylinder and a scraper plate connected with the sampling cylinder;
an accommodating cavity is formed in the sampling cylinder, a strip-shaped opening is formed in one side of the accommodating cavity, the strip-shaped opening extends in the direction from the top of the sampling cylinder to the bottom of the sampling cylinder, and a first clamping matching part is arranged on the inner wall of the accommodating cavity;
the scraping plate is arc-shaped and provided with a scraping part and a second clamping matching part, the scraping part is positioned on the side edge of the scraping plate, and the scraping plate is rotationally connected with the inner wall of the accommodating cavity;
when the scraping plate rotates along a preset direction, the scraping plate extends out of the accommodating cavity from the strip-shaped opening, and the scraping part is positioned in front of the scraping plate in the preset direction;
scrape the flitch and be following preset direction rotates the back, scrape the flitch and seal the bar opening, first joint cooperation portion with second joint cooperation portion joint.
2. The large-depth mangrove wetland sediment sampler of claim 1, which is characterized in that: when the first clamping matching part is clamped with the second clamping matching part, the scraping part is positioned in the accommodating cavity.
3. The large-depth mangrove wetland sediment sampler of claim 1, which is characterized in that: the scraping part comprises a material guiding surface and a material scraping blade point, the material guiding surface is arranged on the side edge of the scraping plate, the material scraping blade point is formed at the joint of the material guiding surface and the surface of the scraping plate, which deviates from the accommodating cavity, and the material guiding surface is gradually far away from the accommodating cavity in the preset direction.
4. The large-depth mangrove wetland sediment sampler of any one of claims 1 to 3, wherein: the top of the accommodating cavity is provided with a through groove;
the big degree of depth mangrove wetland deposit sample thief is still including setting up the rotation piece at sampling cylinder top, the top of scraping the flitch is passed logical groove with it is connected to rotate the piece.
5. The large-depth mangrove wetland sediment sampler of claim 4, which is characterized in that: the top of the sampling cylinder is provided with an upright post, and the rotating handle is arranged on the upright post;
the large-depth mangrove wetland sediment sampler further comprises a lantern ring sleeved on the stand column, and the lantern ring is connected with the rotating piece.
6. The large-depth mangrove wetland sediment sampler of claim 5, which is characterized in that: the rotating part is provided with a supporting surface for the foot to step on.
7. The large-depth mangrove wetland sediment sampler of claim 4, which is characterized in that: the bottom of the accommodating cavity is provided with a sliding groove, and the bottom of the scraping plate extends into the sliding groove.
8. The large-depth mangrove wetland sediment sampler of any one of claims 1 to 3, wherein: the drill bit comprises a drill rod arranged at the bottom of the sampling cylinder and a spiral sheet arranged on the side surface of the drill rod, and the bottom of the drill rod is conical.
9. The large-depth mangrove wetland sediment sampler of claim 8, which is characterized in that: the radius of the spiral piece is gradually reduced in the direction close to the bottom of the drill rod.
10. The large-depth mangrove wetland sediment sampler of any one of claims 1 to 3, wherein: first joint cooperation portion is the draw-in groove, second joint cooperation portion is for setting up scrape the flitch and deviate from the lug of the one side in holding chamber, it is following to scrape the flitch predetermine the direction and rotate the back, it seals to scrape the flitch the bar opening, the lug card is gone into in the draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961940.7A CN113720635A (en) | 2021-08-20 | 2021-08-20 | Large-depth mangrove wetland sediment sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110961940.7A CN113720635A (en) | 2021-08-20 | 2021-08-20 | Large-depth mangrove wetland sediment sampler |
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| Publication Number | Publication Date |
|---|---|
| CN113720635A true CN113720635A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110961940.7A Pending CN113720635A (en) | 2021-08-20 | 2021-08-20 | Large-depth mangrove wetland sediment sampler |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285740A (en) * | 1995-04-17 | 1996-11-01 | Oruganetsuto Kagaku Kk | Sampler for powdery material stocked in large container |
| JP2011179284A (en) * | 2010-03-03 | 2011-09-15 | Tetsuro Matsuzaki | Soil sampling device |
| CN111473998A (en) * | 2020-06-15 | 2020-07-31 | 吴丽梅 | Sampling device for geological detection |
| CN212159136U (en) * | 2020-06-02 | 2020-12-15 | 朱丽丽 | Soil sampling device for soil detection |
| CN213749159U (en) * | 2020-11-02 | 2021-07-20 | 陈栋成 | Environmental soil sample collection system |
-
2021
- 2021-08-20 CN CN202110961940.7A patent/CN113720635A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285740A (en) * | 1995-04-17 | 1996-11-01 | Oruganetsuto Kagaku Kk | Sampler for powdery material stocked in large container |
| JP2011179284A (en) * | 2010-03-03 | 2011-09-15 | Tetsuro Matsuzaki | Soil sampling device |
| CN212159136U (en) * | 2020-06-02 | 2020-12-15 | 朱丽丽 | Soil sampling device for soil detection |
| CN111473998A (en) * | 2020-06-15 | 2020-07-31 | 吴丽梅 | Sampling device for geological detection |
| CN213749159U (en) * | 2020-11-02 | 2021-07-20 | 陈栋成 | Environmental soil sample collection system |
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