CN108072541B - Sealed layered sampler for water bottom - Google Patents
Sealed layered sampler for water bottom Download PDFInfo
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- CN108072541B CN108072541B CN201711096137.1A CN201711096137A CN108072541B CN 108072541 B CN108072541 B CN 108072541B CN 201711096137 A CN201711096137 A CN 201711096137A CN 108072541 B CN108072541 B CN 108072541B
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a closed layered sampler for a water bottom, which comprises a hollow cylindrical sampling shell, wherein a horn-shaped propping part is fixed at the bottom of the cylindrical sampling shell, a sealing cover structure is arranged at the bottom end of the cylindrical sampling shell, a concave cavity is arranged on the inner wall of the horn-shaped propping part, a V-shaped supporting rod is integrally formed at the edge of the sealing cover structure, a sampling column is arranged in the cylindrical sampling shell, a cylindrical sampling circular cavity with an opening at the bottom surface is arranged in the sampling column, a propping seat is fixed at the top of the cylindrical sampling shell, a driving motor is fixed at the propping seat, a driving gear is fixed on a main shaft of the driving motor, a top flat plate and a middle flat plate which are parallel are fixed at the top of the propping seat, circular holes are formed in the middle of the top flat plate and the middle flat plate, lifting cylindrical rods are arranged in the circular holes, and tooth grooves are vertically formed on the side surfaces of the lifting cylindrical rods. The invention has reasonable structure arrangement, ensures the effectiveness of sampling, has good use stability, strong applicability and good practicability.
Description
Technical Field
The invention belongs to the technical field of layered sampling equipment, and particularly relates to a closed layered sampler for a water bottom.
Background
The sediment is used as a carrier of all sediments in the water body, most inorganic particles, organic particles and the like flowing along with the water body in the water body are continuously received and precipitated, the sediment is regarded as an important information base of the water body environment, and can be used as a reference basis for water pollution and can provide help for searching pollution sources, so that research on the sediment in the water body gradually becomes a hot subject, the prior art mainly adopts operations such as excavation and the like to extract the sediment, the layering effect is influenced, and meanwhile, some re-information is easily washed out by water, so that the applicability and the practicability are limited.
Disclosure of Invention
The invention aims to provide a closed layered sampler for the water bottom, which is reasonable in structural arrangement and good in use stability.
The technical scheme for achieving the purpose of the invention is that the airtight layered sampler for the water bottom comprises a hollow cylindrical sampling shell, a horn-shaped pressing part is fixed at the bottom of the cylindrical sampling shell, a sealing cover structure is arranged at the bottom of the cylindrical sampling shell, a concave cavity is arranged on the inner wall of the horn-shaped pressing part, V-shaped supporting rods are integrally formed at the edges of the sealing cover structure, the V-shaped supporting rods are positioned in the concave cavity, corners of the V-shaped supporting rods are connected in the concave cavity through rotating shafts, a sampling column is arranged in the cylindrical sampling shell, a cylindrical sampling circular cavity with an opening at the bottom is arranged in the sampling column, an exhaust hole communicated with the cylindrical sampling circular cavity is formed in the top of the sampling column, a pressing seat is fixed at the top of the cylindrical sampling shell, a driving motor is fixed on the top of the pressing seat, a round hole is formed in the middle of the driving motor, round holes are formed in the middle of the pressing seat, lifting circular grooves are formed in the top of the pressing seat, the bottom of the round hole is fixed in the concave cavity, the bottom of the cylindrical sampling column is fixed on the cylindrical column, and the cylindrical lifting tooth grooves are arranged in the cylindrical column, and the lifting cylindrical column is in the cylindrical column lifting groove is in the hollow cylindrical column, and the cylindrical column is in the cylindrical column lifting column, and lifting column is under the action of the driving action.
And a reset spring is arranged between the V-shaped supporting rod and the inner wall of the concave cavity, and the sealing cover structure is covered and pressed on the bottom surface of the cylindrical column under the action of the reset spring.
The bottom surface of the cylindrical columnar sampling shell is also provided with a circular groove, a circular pressing block is arranged in the circular groove, a pressure spring is uniformly fixed between the top surface of the circular pressing block and the top wall of the circular groove, and the top surface of the sealing cover structure is pressed by the sealing cover structure under the action of the reset spring to be pressed on the bottom surface of the circular pressing block.
And the surface of the annular pressing block is wrapped with a rubber waterproof layer.
The sealing cover structure comprises a circular cover body and a magnet fixed on the circular cover body, wherein the magnet and the V-shaped supporting rods are symmetrically arranged, a magnet is fixed on the bottom surface of the cylindrical columnar sampling shell, and the magnet is fixedly attracted on the magnet when the circular cover body is covered under the action of a reset spring.
The top of the sampling column is fixed with a screw rod, a fixed screw hole with an opening at the bottom surface is arranged in the lifting cylinder rod, and the sampling column is fixed in the fixed screw hole through screw threads.
The cylindrical sampling device is characterized in that limiting protrusions are fixed on the symmetrical inner wall of the cylindrical sampling shell, guide limiting grooves with openings in the bottom face are formed in the symmetrical surfaces of the lifting cylindrical rods, and the diameter of the sampling column is the same as the distance between the limiting protrusions.
The top wall of the guide limit groove is provided with a protective spring, and the limit protrusion is movably propped against the protective spring.
The invention has the positive effects that: the invention has reasonable structural arrangement, when in use, the cylindrical sampling shell with the sampling column extends into the water bottom, then the driving motor is started, the bottom end of the sampling column downwards pushes against the sampling column through the lifting cylindrical rod, so that the sealing cover structure is downwards pushed against the bottom end of the sampling column and the sampling is downwards carried out from the water bottom.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
fig. 1 is a schematic structural view of the present invention.
Description of the embodiments
Example 1
Fig. 1 shows an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention.
Referring to fig. 1, a closed layered sampler for water bottom comprises a hollow cylindrical sampling shell 1, a horn-shaped pressing part 2 is fixed at the bottom of the cylindrical sampling shell 1, a sealing cover structure 3 is arranged at the bottom of the cylindrical sampling shell 1, a concave cavity 4 is arranged on the inner wall of the horn-shaped pressing part 2, a V-shaped supporting rod 5 is integrally formed at the edge of the sealing cover structure 3, the V-shaped supporting rod 5 is positioned in the concave cavity 4 and connected in the concave cavity 4 at the corner through a rotating shaft 6, a sampling column 7 is arranged in the cylindrical sampling shell 1, a cylindrical sampling round cavity 8 with an opening at the bottom is arranged in the sampling column 7, an exhaust hole 9 communicated with the cylindrical sampling round cavity 8 is arranged at the top of the sampling column 7, the cylindrical sampling device is characterized in that a pressing seat 10 is fixed at the top of the cylindrical sampling shell 1, a driving motor 11 is fixed on the pressing seat 10, a driving gear 12 is fixed on a main shaft of the driving motor 11, a top flat plate 13 and a middle flat plate 14 which are parallel are fixed at the top of the pressing seat 10, lifting cylindrical rods are mainly guaranteed to be stable and reliable in lifting, round holes 15 are formed in the middle parts of the top flat plate 13 and the middle flat plate 14, lifting cylindrical rods 16 are arranged in the round holes, the bottom ends of the lifting cylindrical rods are fixed at the top ends of the sampling rods, tooth grooves 17 are formed in the side faces of the lifting cylindrical rods vertically, the driving gear is meshed with the tooth grooves, and the lifting cylindrical rods lift in the hollow parts of the cylindrical sampling shell under the action of the driving gear.
A return spring 18 is arranged between the V-shaped supporting rod 5 and the inner wall of the concave cavity, and the sealing cover structure is covered and pressed on the bottom surface of the cylindrical column under the action of the return spring.
The bottom surface of the cylindrical columnar sampling shell 1 is also provided with a circular groove 19, a circular pressing block 20 is arranged in the circular groove, a pressure spring 21 is uniformly fixed between the top surface of the circular pressing block and the top wall of the circular groove, and the top surface of the sealing cover structure is pressed on the bottom surface of the circular pressing block under the action of the reset spring.
The surface of the annular pressing block is wrapped with a rubber waterproof layer 22.
The sealing cover structure 3 comprises a circular cover body 31 and a magnet 32 fixed on the circular cover body, the magnet 32 and the V-shaped supporting rods 5 are symmetrically arranged, a magnet 27 is fixed on the bottom surface of the cylindrical columnar sampling shell 1, and the magnet is fixedly attracted on the magnet when the circular cover body is covered under the action of a reset spring.
A screw rod 28 is fixed at the top of the sampling column 7, a fixing screw hole 23 with an opening at the bottom surface is arranged in the lifting cylinder rod 16, and the sampling column is fixed in the fixing screw hole through screw threads.
Limiting protrusions 24 are fixed on the symmetrical inner wall of the cylindrical columnar sampling shell 1, guiding limiting grooves 25 with openings on the bottom surfaces are formed in the symmetrical surfaces of the lifting cylindrical rods, and the diameters of the sampling columns are the same as the distances between the limiting protrusions.
The top wall of the guide limit groove is provided with a protective spring 26, and the limit protrusion is movably propped against the protective spring.
The invention has reasonable structural arrangement, when in use, the cylindrical sampling shell with the sampling column extends into the water bottom, then the driving motor is started, the bottom end of the sampling column downwards pushes against the sampling column through the lifting cylindrical rod, so that the sealing cover structure is downwards pushed against the bottom end of the sampling column and the sampling is downwards carried out from the water bottom.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the invention remain within the scope of the invention.
Claims (5)
1. The utility model provides a closed layering sampler for submarine, includes hollow cylindric sampling shell the bottom of cylindric sampling shell is fixed with loudspeaker form and supports pressure part, its characterized in that: the cylindrical sampling device comprises a cylindrical sampling shell, and is characterized in that a sealing cover structure is arranged at the bottom end of the cylindrical sampling shell, a concave cavity is formed in the inner wall of the trumpet-shaped pressing part, V-shaped supporting rods are integrally formed at the edges of the sealing cover structure, the V-shaped supporting rods are arranged in the concave cavity, the corners of the V-shaped supporting rods are connected in the concave cavity through rotating shafts, a sampling column is arranged in the cylindrical sampling shell, a cylindrical sampling circular cavity with an opening in the bottom surface is arranged in the sampling column, an exhaust hole communicated with the cylindrical sampling circular cavity is formed in the top of the sampling column, a pressing seat is fixed at the top of the cylindrical sampling shell, a driving motor is fixed at the pressing seat, a driving gear is fixed on a main shaft of the driving motor, a top flat plate and a middle flat plate which are parallel are fixed at the top of the pressing seat, round holes are formed in the middle of the top flat plate and the middle flat plate, lifting circular rods are arranged in the round holes, the bottom ends of the lifting circular rods are fixed at the top ends of the sampling columns, tooth grooves are vertically formed in the side surfaces of the lifting circular rods, the driving gear are meshed with the cylindrical sampling circular grooves, and the lifting circular rods are in the hollow column lifting part of the cylindrical shell under the action of the driving gear;
a reset spring is arranged between the V-shaped supporting rod and the inner wall of the concave cavity, and the sealing cover structure is covered and pressed on the bottom surface of the cylindrical column under the action of the reset spring;
The bottom surface of the cylindrical sampling shell is also provided with a circular groove, a circular pressing block is arranged in the circular groove, a pressure spring is uniformly fixed between the top surface of the circular pressing block and the top wall of the circular groove, and the top surface of the sealing cover structure is pressed on the bottom surface of the circular pressing block under the action of the reset spring;
the sealing cover structure comprises a circular cover body and a magnet fixed on the circular cover body, wherein the magnet and the V-shaped supporting rods are symmetrically arranged, a magnet is fixed on the bottom surface of the cylindrical columnar sampling shell, and the magnet is fixedly attracted on the magnet when the circular cover body is covered under the action of a reset spring.
2. The sealed layered sampler for a water bottom of claim 1, wherein: and the surface of the annular pressing block is wrapped with a rubber waterproof layer.
3. The sealed layered sampler for a water bottom of claim 2, wherein: the top of the sampling column is fixed with a screw rod, a fixed screw hole with an opening at the bottom surface is arranged in the lifting cylinder rod, and the sampling column is fixed in the fixed screw hole through screw threads.
4. A closed type layered sampler for a water bottom according to claim 3 and characterized in that: the cylindrical sampling device is characterized in that limiting protrusions are fixed on the symmetrical inner wall of the cylindrical sampling shell, guide limiting grooves with openings in the bottom face are formed in the symmetrical surfaces of the lifting cylindrical rods, and the diameter of the sampling column is the same as the distance between the limiting protrusions.
5. The sealed layered sampler for a water bottom of claim 4, wherein: the top wall of the guide limit groove is provided with a protective spring, and the limit protrusion is movably propped against the protective spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096137.1A CN108072541B (en) | 2017-10-23 | 2017-10-23 | Sealed layered sampler for water bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096137.1A CN108072541B (en) | 2017-10-23 | 2017-10-23 | Sealed layered sampler for water bottom |
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| Publication Number | Publication Date |
|---|---|
| CN108072541A CN108072541A (en) | 2018-05-25 |
| CN108072541B true CN108072541B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711096137.1A Active CN108072541B (en) | 2017-10-23 | 2017-10-23 | Sealed layered sampler for water bottom |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115562A (en) * | 2018-11-01 | 2019-01-01 | 中国科学院南京地理与湖泊研究所 | A kind of simple, undisturbed Lake Surface Sediments sampling apparatus |
| CN110530677B (en) * | 2019-10-09 | 2021-09-21 | 自然资源部第二海洋研究所 | Marine geological sediment sampling structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207408148U (en) * | 2017-10-23 | 2018-05-25 | 温州卡耐夫电器有限公司 | For water-bed hermetic type stratified sampler |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4234814C2 (en) * | 1992-10-15 | 2001-06-07 | Garlock Gmbh | Sampling device |
| FR2700851B1 (en) * | 1993-01-26 | 1995-04-14 | Sgn Soc Gen Tech Nouvelle | Device and method for taking samples of a material. |
| CN101464228B (en) * | 2008-12-29 | 2011-04-27 | 中国科学院测量与地球物理研究所 | A bottom mud columnar sampling device |
| CN102230854B (en) * | 2011-04-08 | 2012-10-24 | 北京师范大学 | River deposit columnar sampling device |
| CN103759968B (en) * | 2014-01-26 | 2016-01-13 | 中国科学院南京地理与湖泊研究所 | A large-diameter lake columnar sediment sampling equipment and system |
| CN204514638U (en) * | 2015-02-08 | 2015-07-29 | 福州外语外贸学院 | Agricultural soil sampler |
| CN206074299U (en) * | 2016-10-12 | 2017-04-05 | 天津市环境保护科学研究院 | A kind of improved column shaped deposit sampling apparatuses |
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2017
- 2017-10-23 CN CN201711096137.1A patent/CN108072541B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207408148U (en) * | 2017-10-23 | 2018-05-25 | 温州卡耐夫电器有限公司 | For water-bed hermetic type stratified sampler |
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