CN218212134U - Deep sea sediment sampler - Google Patents
Deep sea sediment sampler Download PDFInfo
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- CN218212134U CN218212134U CN202222635783.3U CN202222635783U CN218212134U CN 218212134 U CN218212134 U CN 218212134U CN 202222635783 U CN202222635783 U CN 202222635783U CN 218212134 U CN218212134 U CN 218212134U
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Abstract
The utility model discloses a deep sea sediment sampler, which comprises a sampling tube, a sample tube, a coupling, a connecting assembly and a sampling assembly, wherein the sampling tube and the sample tube are coaxial round tubes, and the sampling tube is sleeved outside the sample tube; the connecting assembly is arranged at the top of the sampling tube and used for connecting a drill rod; the bottom of the sampling tube is provided with the sampling assembly for sampling deep sea; the sampling tube consists of more than two sampling branch tubes, and the sampling branch tubes correspond to the sampling branch tubes; the sampling tube segments are connected by a collar. The utility model has the advantages of being simple in structure and convenient in operation, can increase and decrease sampling tube quantity according to ocean degree of depth needs, extract the bottom that the in-process can seal sampling device tightly from the deposit, effectively prevent the loss of loose deposit sample to obtain complete deposit sample.
Description
Technical Field
The utility model relates to a sampling equipment field, concretely relates to deep sea deposit sampler.
Background
Sources of deep sea sediments: the land-source clastic substances and the ocean accumulate various biological soft mud, various authigenic minerals, cosmic substances outside the earth, volcanic substances inside the earth and the like through marine organisms and chemical actions.
Classification of deep sea sediments:
1. classification based mainly on water depth: semi-deep sea sedimentation and deep sea sedimentation.
2. Classification based on composition and particle size.
3. Classification based mainly on cause: five major cause types: land-based debris deposition, biogenic deposition, volcanic debris deposition, deep-sea clay deposition, and authigenic deposition.
Distribution of deep sea sediments: land debris deposits are mainly distributed at the edge of continents, ocean glacier deposits are mainly distributed in high-latitude areas, and deep-sea clay, calcium soft mud and siliceous soft mud are distributed in vast ocean bottom basins.
Seabed sediments are very important for researching the life forms of oceans, the existence condition of deep sea bottom layer isotopes and the existence condition of seabed resources. At present, commonly used seabed sediment samplers comprise grab buckets, gravity type samplers, piston type samplers, hammering type samplers, vibrating type samplers and the like. Various seafloor sediment samplers exist that can perform seafloor sampling at different depths, and the major problems with these samplers are: 1. the disturbance to the sediment sample is large during the collection operation; 2. the sample is heavy when the device is operated for a long time on the sea, and a large pressure difference is generated when the device leaves seawater, so that the integrity rate of the sediment sample is low; 3. the working distance is far away, and the verticality of the sampling is difficult to ensure, so that the in-situ sediment is difficult to collect.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a deep sea deposit sampler can increase and decrease sampling tube quantity according to ocean degree of depth needs, extracts the bottom that the in-process can tightly seal sampling device from the deposit, effectively prevents the loss of loose deposit sample
The technical scheme of the utility model is that:
a deep-sea sediment sampler which comprises a sampler body,
the sampling tube and the sample tube are coaxial circular tubes, and the sampling tube is sleeved outside the sample tube;
the connecting assembly is arranged at the top of the sampling tube and used for connecting a drill rod;
the bottom of the sampling tube is provided with the sampling assembly for sampling deep sea;
the sampling tube consists of more than two sampling branch tubes, and the sampling branch tubes correspond to the sampling branch tubes;
the sampling tube segments are connected by a collar.
The coupling comprises a sample tube, a coupling, a sample tube and a sample tube, wherein internal threads are arranged at two ends of the coupling, external threads are arranged at the upper end and the lower end of the sample tube respectively, and the external threads of the sample tube are matched with the internal threads at two ends of the coupling.
Wherein, the distance between the upper end and the lower end of the adjacent sample branched tubes is more than 3 mm.
Wherein, be equipped with the screens order in the coupling, screens order and sample tube cooperation.
The connecting assembly comprises a bomb-throwing connector and a sleeve connector, the lower end of the sleeve connector is in threaded connection with the top of the sample tube, and the lower end of the bomb-throwing connector is in threaded connection with the upper end of the sleeve connector;
the projectile joint is provided with a hole.
The diameter of the hole is smaller than the radius of a steel ball put into the drill rod after sampling is finished.
Wherein, the sampling component comprises a cutter head, and the cutter head is sleeved at the bottom of the sample by an annular cutter head.
Wherein the sampling component also comprises a crab claw component which is shaped like a shower,
the crab claw piece is arranged on the inner side wall of the annular cutter head and consists of a plurality of elastic iron sheets, one end of the crab claw piece is connected with the inner side wall of the cutter head, and the other end of the cutter head is positioned in the sampling tube and converged at the axis of the sampling tube.
Wherein, the coupling inner wall is equipped with the step, step and sampling tube sealing fit.
The utility model discloses a line is embroidered device has following advantage:
the sampling tube is composed of sampling branch tubes which are detachably connected through a coupling, the sampling tube is composed of sample branch tubes, the sample branch tubes and the sample branch tubes are composed, data of the sampling branch tubes and the sample branch tubes can be adjusted according to needs, meanwhile, the sampling assembly comprises a cutter head and a crab claw piece, an iron sheet of the crab claw piece has elasticity, the situation that a sampling part is inserted into the seabed hardly and sediment enters the seabed is prevented, and meanwhile, when the sampler is pulled out, the steel sheet prevents internal sediment from sliding downwards. The steel ball is put into and the hole cooperation of throwing the bullet joint, guarantees that the interior external pressure of sampling tube is unanimous, reduces the sample degree of difficulty, improves sample efficiency.
The utility model has the advantages of being simple in structure and convenient in operation, can increase and decrease 3 quantity of sampling tube according to ocean depth needs, extract the bottom that the in-process can seal sampling device tightly from the deposit, effectively prevent the loss of loose deposit sample, thereby obtain complete deposit sample, basically satisfy the marine life form, the existential condition of deep sea bottom isotope and the subject investigation research such as the resource existential condition in seabed, the technical requirement of sampling place geological condition variety has been reduced, make basic operation and auxiliary action process realize mechanization, reduce non-operation operating time consumption.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial enlarged view of the crab claw member;
wherein, the bomb-throwing connector 1, the casing joint 2, the sampling tube 3, the sample tube 4, the coupling 5, the cutter head 6 and the crab claw piece 7.
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
The utility model adopts a progressive description method.
As shown in fig. 1 and fig. 2, the deep sea sediment sampler comprises a sampling tube 3, a sampling tube 4, a coupling 5, a connecting assembly and a sampling assembly, wherein the sampling tube 3 and the sampling tube 4 are coaxial circular tubes, and the sampling tube 3 is sleeved outside the sampling tube 4;
the connecting assembly is arranged at the top of the sampling tube 3 and is used for connecting a drill rod;
the sampling assembly is arranged at the bottom of the sampling tube 3 and is used for sampling deep sea;
the sampling tube 3 is composed of more than two sampling branch tubes, the sampling tube 4 is composed of more than two sampling branch tubes, and the sampling branch tubes correspond to the sampling branch tubes;
the sections of the sampling tube 3 are connected by a coupling 5.
Use the utility model discloses when deep sea deposit thing sampler samples, sampling tube 3 is under the drive effect of drilling rod, insert to the deep sea, until having reachd predetermined sampling point, the deposit passes through sampling subassembly and gets into sampling tube 3, gain the sample after, the drilling rod takes out sampling tube 3, then unscrew and lift coupling 5 off, can take off the sample in proper order and divide the pipe, then taken off the sample and divided the pipe, divide pipe complex upper cover and lower cover with the sample, can divide the pipe with the sample and seal into a test tube that awaits measuring, can once only get the sample of a plurality of heights, also can be as required, the quantity that adjustment sample was divided pipe and sample and was divided.
Wherein, the both ends of coupling 5 are equipped with the internal thread, the upper end and the lower extreme of sample cell 4 are equipped with the external screw thread respectively, the external screw thread of article pipe mutually with the interior screw-thread fit at 5 both ends of coupling.
The distance between the upper end and the lower end of each adjacent sample branched tube is more than 3mm, and a clamping step is arranged in each coupling 5 and matched with the sample tube 4.
The clamping step in the coupling 5 can fix the sample tube 4, so that the sample tube 4 cannot be loosened in the sampling tube 3. At least 3mm of space is reserved between the sample tubes 4, so that each sample tube 4 can be conveniently assembled and disassembled and can be conveniently sampled.
The connecting assembly comprises a projectile joint 1 and a sleeve joint 2, the lower end of the sleeve joint 2 is in threaded connection with the top of the sample tube 4, and the lower end of the projectile joint 1 is in threaded connection with the upper end of the sleeve joint 2;
the projectile joint 1 is provided with a hole.
The bullet-throwing connector 1 is provided with a hole which is communicated with the inner cavity of the sample tube 4, so that when the sample tube 4 is inserted into a deep sea sampling position, sediment can smoothly enter the sample tube 4.
The diameter of the hole is smaller than the radius of a steel ball put into the drill rod after sampling is finished, when sampling is finished, the next steel ball is put into the drill rod, the diameter of the steel ball is larger than that of the hole, the inner cavity of the sample tube 4 is sealed, and when the drill rod lifts the sample tube 4, sediment cannot flow out of the sample tube 4
Wherein, the sampling component comprises a cutter head 6, the cutter head 6 is sleeved at the bottom of the sample for an annular cutter head, and the sample tube 4 is easier to be arranged on the bottom layer of the deep sea under the action of the cutter head 6.
As an optional implementation mode, the sampling subassembly still includes crab claw spare 7, crab claw spare 7 is the lotus seedpod of lotus form, crab claw spare 7 is installed the inside wall of annular tool bit, crab claw spare 7 is for having elastic a plurality of iron sheet to constitute, crab claw spare 7 one end with tool bit 6's inside wall is connected, tool bit 6's the other end is located in sampling tube 3 and the axle center department of sampling tube 3 converges mutually.
In the sampling process, sediment enters a lotus-shaped crab claw piece 7 through a cutter head 6 with a conical cutting edge at the bottom, and then enters a sample tube 4 through the crab claw piece 7, and the crab claw piece 7 has the effect that after the sediment is pressed into the sample tube 4, the iron sheet of the crab claw piece 7 elastically contracts, and the lotus-shaped structure blades are overlapped to cut off the sediment, so that the sample is not easy to fall out, and the sediment with fluidity and looseness is better and completely retained in the sample tube 4. After the sampling tube 3 composed of the coupling 5 and the sampling branch tube reaches the preset length, 15 mm steel balls are thrown into the drill rod, the steel balls isolate water and air from the deep sea sampler device, and the sample of the sample tube 4 forms sealed structural vacuum between the crab claw pieces 7, so that the sediment is effectively prevented from flowing away to the outside of the sampler.
Wherein, the inner wall of the coupling 5 is provided with a step which is matched with the sampling tube 3 in a sealing way.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A deep sea sediment sampler, comprising:
the sampling device comprises a sampling tube (3), a sample tube (4), a coupling (5), a connecting assembly and a sampling assembly, wherein the sampling tube (3) and the sample tube (4) are coaxial circular tubes, and the sampling tube (3) is sleeved outside the sample tube (4);
the connecting component is arranged at the top of the sampling tube (3) and is used for connecting a drill rod;
the bottom of the sampling tube (3) is provided with the sampling assembly for sampling in deep sea;
the sampling tube (3) consists of more than two sampling branch tubes, the sampling tube (4) consists of more than two sampling branch tubes, and the sampling branch tubes correspond to the sampling branch tubes;
the sections of the sampling tube (3) are connected by a coupling (5).
2. The deep sea sediment sampler of claim 1, wherein:
the two ends of the coupling (5) are provided with internal threads, the upper end and the lower end of the sample tube (4) are respectively provided with external threads, and the external threads of the sample tube are matched with the internal threads at the two ends of the coupling (5).
3. The deep sea sediment sampler of claim 2, wherein:
the distance between the upper end and the lower end of the adjacent sample branched tubes is more than 3 mm.
4. The deep sea sediment sampler of claim 3, wherein:
and a clamping step is arranged in the coupling (5) and is matched with the sample tube (4).
5. The deep sea sediment sampler of claim 4, wherein:
the connecting assembly comprises a projectile joint (1) and a sleeve joint (2), the lower end of the sleeve joint (2) is in threaded connection with the top of the sample tube (4), and the lower end of the projectile joint (1) is in threaded connection with the upper end of the sleeve joint (2);
the projectile firing joint (1) is provided with a hole.
6. The deep sea sediment sampler of claim 5, wherein:
the diameter of the hole is smaller than the radius of a steel ball put into the drill rod after sampling is finished.
7. The deep sea sediment sampler of claim 6, wherein:
the sampling assembly comprises a cutter head (6), and the cutter head (6) is sleeved at the bottom of the sample in an annular cutter head mode.
8. The deep sea sediment sampler of claim 7, wherein:
the sampling component also comprises a crab claw part (7), the crab claw part (7) is in a shower shape,
crab claw spare (7) are installed the inside wall of annular tool bit, crab claw spare (7) are for having elastic a plurality of iron sheet and constitute, the one end of crab claw spare (7) with the inside wall of tool bit (6) is connected, the other end of tool bit (6) is located in sampling tube (3) and in the axle center department of sampling tube (3) converges.
9. The deep-sea sediment sampler of claim 8, wherein:
the inner wall of the coupling (5) is provided with a step, and the step is in sealing fit with the sampling tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222635783.3U CN218212134U (en) | 2022-10-08 | 2022-10-08 | Deep sea sediment sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222635783.3U CN218212134U (en) | 2022-10-08 | 2022-10-08 | Deep sea sediment sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218212134U true CN218212134U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222635783.3U Active CN218212134U (en) | 2022-10-08 | 2022-10-08 | Deep sea sediment sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218212134U (en) |
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2022
- 2022-10-08 CN CN202222635783.3U patent/CN218212134U/en active Active
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