CN214538722U - Gravity sampler capable of obtaining multi-tube sediment sample - Google Patents
Gravity sampler capable of obtaining multi-tube sediment sample Download PDFInfo
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- CN214538722U CN214538722U CN202120195429.6U CN202120195429U CN214538722U CN 214538722 U CN214538722 U CN 214538722U CN 202120195429 U CN202120195429 U CN 202120195429U CN 214538722 U CN214538722 U CN 214538722U
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Abstract
The utility model discloses a gravity sampler capable of obtaining a multi-tube sediment sample, which comprises a main tube, wherein a plurality of counterweight lead blocks are sleeved on the outer surface of the main tube close to the middle part of the main tube, counterweight baffle plates are sleeved on the main tube above and below the counterweight lead blocks, and counterweight fixing rings are installed on the main tube outside the counterweight baffle plates; the cap is carried in the upper portion of being responsible for and installs, be responsible for and be close to the surface mounting of its lower part and have a plurality of and mutual staggered supplementary solid fixed ring, every all install the pipe of assisting on the supplementary solid fixed ring. In the gravity sampler, in the sampling process, the main pipe and the auxiliary pipe can collect sediment samples, so that the sampling amount can be greatly improved; the gravity sampler can prevent the sediment from falling off the roof and can seal the sample by arranging the water baffle; the sealing performance of the sample is improved through the hinge type fan-shaped valve; therefore, the sampling success rate and efficiency of the columnar sediments can be improved, and the method has higher practical value.
Description
Technical Field
The utility model relates to a sampler technical field specifically is a can acquire gravity sampler of multitube deposit sample.
Background
The particles in the water body are settled to the bottom of the ocean, the lake and the river through sedimentation to form sediment. The sediment is an important research carrier in the research fields of geology, environment, biology, chemistry, engineering and the like because the sediment records environment and climate information, and has physical and chemical properties and occurrence organisms. The apparatus for collecting sediment samples is called a sediment sampler, and can be classified into a surface sediment sampler (for collecting sediment samples on the surface of the water bottom), a pillar-shaped and borehole sediment sampler (for collecting sediment samples at a certain depth below the water bottom), and the like according to the sampling depth.
Gravity column samplers (simply "gravity samplers") are common column sediment sampling devices that rely on their own gravity to pound a sampling tube into the water to a depth to obtain a long depth column sediment sample. The method can ensure that the natural layers of the sediment sample are not disturbed, continuously obtains the deposition information of each layer and the vertical distribution condition of the biological record, and is a necessary investigation and sampling means for researching long-time scale climatic environment evolution, biological distribution characteristics, vertical difference of sediment physical and mechanical properties and the like.
At present, the existing gravity sampler comprises a balance weight, a sampling tube, a knife edge and the like, and the working principle of the gravity sampler is that sediment is pressed into the sampling tube from the knife edge by the weight of the balance weight, and the larger the weight of the balance weight is, the longer the pressing depth of the sediment is. The existing gravity sampler has the defects of small sampling amount, single applicable type, complex operation and the like, the defect of low efficiency is particularly obvious in deep sea sediment sampling in large water depth, and the control of time cost, labor cost and money cost is particularly important. In view of this, the present application proposes a gravity sampler that can take a multi-tube sediment sample.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can acquire gravity sampler of multitube deposit sample possesses advantages such as the sampling volume is big, the leakproofness is good, sampling efficiency height, has solved the problem of proposing in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a gravity sampler capable of obtaining a multi-tube sediment sample comprises a main tube, wherein a plurality of counterweight lead blocks are sleeved on the outer surface of the main tube close to the middle of the main tube, counterweight baffle plates are sleeved on the main tube above and below the counterweight lead blocks, and counterweight fixing rings are installed on the main tube outside the counterweight baffle plates; the cap is carried in the upper portion of being responsible for and installs, be responsible for and be close to the surface mounting of its lower part and have a plurality of and mutual staggered supplementary solid fixed ring, every all install the pipe of assisting on the supplementary solid fixed ring.
Preferably, the main pipe and the auxiliary pipe are respectively composed of a pipe body, a knife edge, a water permeable plate, a water baffle plate, an inner lining pipe and a fan-shaped flap, the knife edge is installed at the lower end of the pipe body in a threaded mode, the water permeable plate is fixedly connected to the upper end of the pipe body, the water baffle plate penetrates through the middle of the water permeable plate and is movably connected to the middle of the water permeable plate, the inner lining pipe is sleeved inside the pipe body, and the fan-shaped flap is installed inside the knife edge.
Preferably, the fan-shaped flap comprises two flap bodies which are connected together through a hinge, and the hinge is fixedly connected to the inside of the knife edge.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. according to the gravity sampler, the detachable auxiliary pipe is arranged around the main pipe, and the main pipe and the auxiliary pipe can collect sediment samples in the sampling process, so that multi-pipe sediment samples can be obtained through one-time sampling, and the sampling amount can be greatly increased;
2. the gravity sampler can prevent the sediment from falling off the roof and can seal the sample by arranging the movable water baffle at the top end of the sampling tube;
3. the hinge type fan-shaped valve is arranged in the knife edge, so that the sealing property of the sample is improved, and the sampling success rate is high especially for low-viscosity sediment samples which are easy to flow, such as deep-sea biological soft mud and the like.
4. In conclusion, the sampling efficiency of the columnar sediments can be improved, the sampling success rate and the sampling quantity of the sediments are improved, and the method has higher practical value.
Drawings
Fig. 1 is a perspective view of the sampler of the present invention;
fig. 2 is a front view of the sampler of the present invention;
FIG. 3 is a sectional view of the main pipe or the auxiliary pipe of the present invention;
fig. 4 is a perspective view of the sector of the present invention.
In the figure: 1. a main pipe; 2. a counterweight lead block; 3. a counterweight baffle; 4. a counterweight fixing ring; 5. lifting the cap; 6. an auxiliary fixing ring; 7. an auxiliary pipe; 8. a pipe body; 9. a knife edge; 10. a water permeable plate; 11. a water baffle; 12. a liner tube; 13. a sector flap; 14. a flap body; 15. and (7) a hinge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a can obtain gravity sampler of multitube deposit sample, includes and is responsible for 1, is responsible for 1 and is the pipe of main sampling usefulness, and the outer surface cover that is close to its middle part of being responsible for 1 has a plurality of counter weight lead slabs 2, and counter weight lead slab 2 is plumbous, has characteristics such as heavy, plastic workable, and every counter weight lead slab 2 all is cavity cake shape, overlaps in proper order on being responsible for 1, increases the weight of this gravity sampler to draw the deep sample.
The counterweight baffle plates 3 are sleeved on the main pipe 1 above and below the counterweight lead blocks 2, the counterweight baffle plates 3 are hollow circular rings and are generally two, the counterweight baffle plate 3 below is used for upwards supporting the weight of all the counterweight lead blocks 2, the counterweight baffle plate 3 above is used for downwards supporting all the counterweight lead blocks 2, the main pipe 1 outside the counterweight baffle plate 3 is provided with a counterweight fixing ring 4, the counterweight fixing ring 4 and the main pipe 1 are mounted in various ways, such as consisting of two semicircular rings, the two semicircular rings are connected together through bolts, such as threaded sleeves, the surface of the main pipe 1 is provided with screw threads, and the screw thread sleeve is connected with the screw threads on the main pipe 1, such as a lantern ring, the screw thread is connected on the lantern ring, and after the cover is in assigned position, the screw precession supports and is responsible for 1, and these structures all can make counter weight fixed ring 4 inject the stationary shake in the arbitrary position on being responsible for 1.
The upper part of the main pipe 1 is provided with a lifting cap 5, the mounting modes of the lifting cap 5 and the main pipe 1 can be welding, clamping, threaded connection, screw connection and the like, the mounting modes are known technologies, the mounting modes are not listed in the application, the lifting cap 5 is used for being fixed with the main pipe 1, and due to the fact that the lifting cap 5 is provided with an annular belt used for being connected with a steel cable of a geological winch, the gravity sampler can be lowered and lifted under the action of the winch.
A plurality of mutually staggered auxiliary fixing rings 6 are arranged on the surface of the main pipe 1 close to the lower part of the main pipe, an auxiliary pipe 7 is arranged on each auxiliary fixing ring 6, and the installation modes of the auxiliary fixing rings 6 and the main pipe 1, the auxiliary fixing rings 6 and the auxiliary pipes 7 can refer to the installation modes of the counterweight fixing rings 4 and the main pipe 1 listed above; through being responsible for around 1 detachable auxiliary pipe 7 of installation, in the middle of the sample process, be responsible for 1, auxiliary pipe 7 all can gather the deposit sample, realize that the sampling can acquire multicell deposit sample, can improve the sample volume greatly.
The main pipe 1 and the auxiliary pipe 7 are both composed of a pipe body 8, a knife edge 9, a permeable plate 10, a water baffle plate 11, an inner lining pipe 12 and a fan-shaped flap 13, the knife edge 9 is installed at the lower end of the pipe body 8 in a threaded mode, the knife edge 9 is circular, a circle of cutting edge is arranged at the lower end of the knife edge 9, and under the weight action of the counterweight lead block 2, sediment can be conveniently cut; porous disk 10 fixed connection is in the upper end of body 8, and porous disk 10 is a board then opens the mesh on the board and makes, moves down when this gravity sampler, and the sample enters into the person in charge 1 respectively and assists pipe 7, and water is seen through from porous disk 10, leaves over the sample in the pipe.
The specifications of the main pipe 1 and the auxiliary pipe 7 are phi 133mm diameter multiplied by 10mm thickness; the length of the main pipe 1 is 3000mm, and different pipe lengths can be selected according to the sampling depth; the length of the auxiliary pipe 7 is 1000mm, different pipe lengths can be selected according to needs, but the length of the auxiliary pipe is smaller than that of the main pipe 1, and balance and oscillation stopping are facilitated.
The water baffle 11 penetrates through and is movably connected to the middle part of the water permeable plate 10, the water baffle 11 is movable and can slide at the top of the tube in a short distance, in the process of moving the gravity sampler downwards, water flows into the bottom of the sampling tube, the water baffle 11 is opened under the water flow jacking, the water flows are discharged, the probability of roof fall of sediments is reduced, in the process of lifting the sampler, the water baffle 11 is tightly attached to the sampling tube under the action of self gravity and water flow resistance, and the top of the sampling tube is sealed; the inner liner tube 12 is sleeved inside the tube body 8 and is used for temporarily storing samples.
The fan-shaped flap 13 is arranged inside the knife edge 9, the fan-shaped flap 13 comprises two flap bodies 14, the two flap bodies 14 are both semicircular, and the inner section of the knife edge 9 can be closed after the two flap bodies 14 are unfolded; the two flap bodies 14 are connected together through hinges 15, and the two flap bodies 14 can be opened towards the inside of the pipe or closed towards the outside of the pipe through the hinges 15; the hinge 15 is fixedly connected inside the knife edge 9, the fixed connection mode can be welding, for example, upper rods can be welded on two sides of the hinge 15, two ends of each rod are welded on the knife edge 9, or other modes can be adopted; the material of the hinge 15 is a corrosion-resistant material such as stainless steel; in the descending process of the sampler, the sector valve 13 is opened under the water flow jacking, the sediment enters the lining pipe 12, after the sampling is finished, the sampler is lifted, the sector valve 13 is pressed down under the gravity of the sediment, and the valve body 14 is closed, so that the bottom of the sampling pipe is sealed, and the sampler has a high sampling success rate particularly for low-viscosity sediment samples which are easy to flow, such as deep-sea biological soft mud and the like.
The cap 5, the main pipe 1, the auxiliary pipe 7, the auxiliary fixing ring 6, the water baffle 11, the knife edge 9 and the like are all made of 316L stainless steel, and the valve has the advantages of high strength, durability, corrosion resistance and the like, and the valve body 14 is made of PE material and has the characteristics of light weight, firmness, durability, easiness in processing and the like.
The working principle is as follows: when the gravity sampler capable of obtaining a multi-tube sediment sample is used, a geological steel cable pulls the gravity sampler to be lowered through a lifting cap 5, the geological steel cable is pricked into sediment at the bottom of water by virtue of gravity provided by a counterweight lead block 2, a main tube 1, an auxiliary tube 7 and the like, a sector valve 13 in a knife edge 9 is influenced by reverse thrust of the sediment, a valve body 14 is opened upwards, the sediment enters the main tube 1, meanwhile, water flow in the tube supports a top water baffle plate 11 upwards and flows out, the auxiliary tube 7 also enters the sediment along with further sinking of the sampler, then, the sampler stops sinking, the sampling is finished, the geological steel cable lifts the sampler afterwards, the water baffle plate 11 is tightly attached to the sampling tube under the influence of self gravity and water flow resistance, and top sealing is realized; the fan-shaped flap 13 in the knife edge 9 is pressed down by the gravity of the sediment to be closed, thereby realizing bottom sealing and preventing the sample from leaking away.
This gravity sampler can improve column deposit sampling efficiency, improves deposit sample success rate and sampling volume, has higher practical value, and in the certain deep sea investigation voyage that national oceanic office north sea ocean engineering investigation institute bore, the gravity sampler who adopts this design carries out the geology sample effect in the deep sea of nearly 6000m depth of water and is showing: a plurality of deposit columnar samples can be obtained by one-time lowering, so that the operation efficiency is greatly improved; the sealing performance to the biological soft mud sample is good, the precious columnar sediment sample is obtained, and the scientific research value is high.
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 (3)
1. A gravity sampler capable of obtaining samples of multi-tube sediments, comprising a main tube (1), characterized in that: the outer surface of the main pipe (1) close to the middle of the main pipe is sleeved with a plurality of counterweight lead blocks (2), counterweight baffle plates (3) are sleeved on the main pipe (1) above and below the counterweight lead blocks (2), and counterweight fixing rings (4) are installed on the main pipe (1) outside the counterweight baffle plates (3); be responsible for the upper portion of (1) and install and carry cap (5), be responsible for (1) and be close to its lower part surface mounting have a plurality of and mutual staggered's supplementary solid fixed ring (6), every all install auxiliary pipe (7) on supplementary solid fixed ring (6).
2. A gravity sampler for obtaining samples of multi-tube sediment according to claim 1 wherein: the main pipe (1) and the auxiliary pipe (7) are composed of a pipe body (8), a knife edge (9), a water permeable plate (10), a water baffle plate (11), an inner lining pipe (12) and a fan-shaped flap (13), the knife edge (9) is installed at the lower end of the pipe body (8) in a threaded mode, the water permeable plate (10) is fixedly connected to the upper end of the pipe body (8), the water baffle plate (11) penetrates through and is movably connected to the middle of the water permeable plate (10), the inner lining pipe (12) is sleeved on the inside of the pipe body (8), and the fan-shaped flap (13) is installed inside the knife edge (9).
3. A gravity sampler for obtaining samples of multi-tube sediment according to claim 2 wherein: the fan-shaped flap (13) comprises two flap bodies (14), the two flap bodies (14) are connected together through a hinge (15), and the hinge (15) is fixedly connected to the inside of the knife edge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120195429.6U CN214538722U (en) | 2021-01-25 | 2021-01-25 | Gravity sampler capable of obtaining multi-tube sediment sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120195429.6U CN214538722U (en) | 2021-01-25 | 2021-01-25 | Gravity sampler capable of obtaining multi-tube sediment sample |
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| Publication Number | Publication Date |
|---|---|
| CN214538722U true CN214538722U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120195429.6U Expired - Fee Related CN214538722U (en) | 2021-01-25 | 2021-01-25 | Gravity sampler capable of obtaining multi-tube sediment sample |
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| CN (1) | CN214538722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062035A (en) * | 2021-11-18 | 2022-02-18 | 海南省地球物理学会 | Shovel sweeping type substrate sampling device |
-
2021
- 2021-01-25 CN CN202120195429.6U patent/CN214538722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062035A (en) * | 2021-11-18 | 2022-02-18 | 海南省地球物理学会 | Shovel sweeping type substrate sampling device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 Termination date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |