CN111610060B - Adjustable multi-pipe sediment sampler carried on deep sea submersible vehicle - Google Patents
Adjustable multi-pipe sediment sampler carried on deep sea submersible vehicle Download PDFInfo
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- CN111610060B CN111610060B CN202010420419.8A CN202010420419A CN111610060B CN 111610060 B CN111610060 B CN 111610060B CN 202010420419 A CN202010420419 A CN 202010420419A CN 111610060 B CN111610060 B CN 111610060B
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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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Abstract
The invention provides a deep sea submersible vehicle carrying adjustable multi-pipe sediment sampler, which comprises: the device comprises a plurality of sampling units arranged at intervals, a plurality of first connecting rods correspondingly connected with the sampling units, and a rotating seat, wherein the rotating seat is arranged corresponding to the first connecting rods and is provided with a containing cavity and a first through hole communicated with the containing cavity; the rotating parts are correspondingly arranged in the accommodating cavity and can rotate in the accommodating cavity; the mounting seats are connected with the plurality of rotating seats; one end of the first connecting rod penetrates through the first through hole and is connected with the rotating piece, and the first connecting rod is in clearance fit with the first through hole. This adjustable multitube deposit sampler is carried to deep sea submersible vehicle for the sampling unit can use the conical space of rotating the piece as the summit to rotate as the centre of a circle in rotating the piece, thereby when the seabed sampling, the sampling unit can carry out certain angular adjustment according to the change of seabed topography, and the adjustment between a plurality of sampling units does not influence each other, has realized the multitube sample of deep sea effectively.
Description
Technical Field
The invention relates to the technical field of deep sea sediment sampling, in particular to a deep sea submersible vehicle carrying adjustable multi-pipe sediment sampler.
Background
When the existing manned submersible and unmanned cabled submersible acquire sediment samples in underwater operation, a mechanical arm can only pick up a single sampling tube at a time, and due to the fact that the sea floor topography is complex and the ocean current direction is uncertain, the motion state of the submersible cannot be kept for a long time, so that the efficiency of acquiring high-quality sediment samples is low, and often, more than ten minutes are needed to finish one-time sampling. The deep sea carrier is influenced by the operation depth sometimes because the underwater operation time is precious, the effective operation time is only about 2 hours, and the technical problem to be solved is to improve the number and quality of samples of single sampling operation of a manipulator, improve the underwater operation efficiency of the submersible, and greatly reduce the sampling operation cost.
Both CN201010200316.7 and CN200910155798.6 relate to tightness and low disturbance during sediment sampling, but do not take into account the different types of underwater sediment and the undisturbed extraction and preservation after the sample reaches the water surface. In addition, the deep sea sampling also needs to consider the sample loss caused by the motion of the carrier and the seawater flushing in the process from the bottom to the sea surface, and the two samplers cannot meet the deep sea sampling requirement of the carrying carrier. Patent CN201510594966.7 relates to an integrated deep-sea sediment sampler, which can obtain deep-sea sediment with high fidelity and effectively store the sediment, but the structural function of the sampler can only be operated by a single tube, namely the sampling operation of a manipulator can only be carried out once, and the operation efficiency is low.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a deep sea submersible vehicle carrying an adjustable multi-tube sediment sampler which can sample a plurality of tubes at one time, all the tubes are not influenced mutually, and all the tubes can adapt to different submarine topography conditions.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an adjustable multitube sediment sampler carried by a deep sea submersible vehicle, comprising: a plurality of sampling units arranged at intervals, a plurality of first connecting rods correspondingly connected with the sampling units, and
the plurality of rotating seats are arranged corresponding to the first connecting rod and are provided with accommodating cavities and first through holes communicated with the accommodating cavities;
the rotating parts are correspondingly arranged in the accommodating cavity and can rotate in the accommodating cavity;
the mounting seats are connected with the plurality of rotating seats;
one end of the first connecting rod penetrates through the first through hole and is connected with the rotating piece, and the first connecting rod is in clearance fit with the first through hole.
The invention discloses an adjustable multi-pipe sediment sampler carried on a deep sea submersible vehicle, which is provided with a plurality of sampling units, a plurality of rotating seats, a rotating piece capable of rotating in the rotating seats, and a first connecting rod connected with the rotating piece and the sampling units, so that the sampling units can rotate in a conical space taking the rotating piece as a vertex by taking the rotating piece as a circle center, and when in submarine sampling, the sampling units can perform certain angle adjustment according to the change of submarine topography, and the adjustment among the plurality of sampling units is not mutually influenced, thereby effectively realizing one-time multi-pipe sampling of the deep sea.
As a further optimization of the invention, the invention further comprises a telescopic piece arranged between the rotating seat and the mounting seat, and an elastic piece arranged between the rotating seat and the mounting seat.
In the above scheme, through setting up the extensible member with the elastic component makes every the sampling unit can be according to the difference of seabed topography for other the sampling unit is in along the direction of extensible member is gone up, thereby adapts to the rugged condition in seabed, simultaneously with rotating seat, rotating the cooperation of piece, can satisfy the automatic adjustment of adaptation various topography and direction.
As a further optimization of the invention, the telescopic piece comprises a fixed piece and a telescopic rod arranged on the fixed piece, and the elastic piece is a spring sleeved on the telescopic rod.
In the above scheme, through the telescopic link with the setting of spring, simple structure just guarantees effectively the effort of spring is followed the direction of telescopic link, with the telescopic link cooperation realizes the flexible of fixed direction.
As a further optimization of the invention, the rotating seat comprises a first end cover with a first groove and a second end cover opposite to the first end cover, wherein the first through hole is formed in the second end cover, and the first through hole is opposite to the first groove.
In the above scheme, the first end cover and the second end cover are arranged, and the first through hole and the first groove are oppositely arranged, so that the acting force of the rotating piece can be effectively transmitted along the direction of the first through hole through the first end cover.
As a further refinement of the invention, the first end cap and the second end cap are detachably connected.
In the above scheme, the first end cover is detachably connected with the second end cover, so that the product can be assembled and disassembled, can be disassembled for placement when not used or carried, and can be assembled when used.
As a further optimization of the invention, the first groove is a hemispherical groove.
In the above scheme, the first groove is a hemispherical groove, so that the smoothness of rotation of the rotating piece is effectively ensured.
As a further refinement of the invention, the diameter of the first recess is greater than the diameter of the rotor.
In the above scheme, the rotation piece can do displacement to a certain extent relative to the first groove, so that the effective rotation of the first connecting rod can be ensured, and the automatic adjustment of the sampling unit during sampling is ensured.
As a further optimization of the invention, the second end cover further comprises a first inclined surface arranged on one side of the second end cover close to the first end cover, wherein the first inclined surface extends from the first through hole to the direction close to the first end cover and inclines in the extending direction to the direction far away from the first through hole.
In the above scheme, through the arrangement of the first inclined plane and with the first groove, when in use, when the sampling unit is not contacted with the sea floor, the rotating member is supported by the first inclined plane, and under the action of the gravity of the sampling unit, the sampling unit keeps a vertical state, when the sampling unit is contacted with the sea floor, the first connecting rod pushes the rotating member to move towards the first groove, and according to the topography condition of the sea floor, the first connecting rod adjusts the moving direction of the rotating member according to the concave-convex condition or the angle of the topography of the sea floor, so that the rotating member moves to the position of a certain inclination angle with the first through hole, and the first connecting rod is positioned from the rotating member to the position of the first through hole to form a certain inclination angle, thereby ensuring the structural stability when transmitting pressure.
As a further optimization of the invention, the second end cover further comprises a second inclined surface arranged on one side of the first through hole away from the first end cover, wherein the inclined surface extends from the first through hole to the direction away from the first end cover and is inclined along the extending direction to the direction away from the first through hole.
In the above scheme, the second end cover comprises a second inclined plane, and the range of the rotation angle of the first connecting rod is effectively limited through the arrangement of the second inclined plane, and certain supporting force is given to the second end cover and the first connecting rod, so that the second end cover is prevented from being damaged or excessively inclined during use.
As a further optimization of the invention, the mounting seat comprises a plurality of supporting pieces which are fixedly connected with the rotating seats correspondingly and a transmission piece which is connected with the supporting rods, and the transmission piece is arranged among the supporting pieces.
In the scheme, the transmission part is arranged among the plurality of supporting parts, so that the stress of each sampling unit is effectively ensured to be uniform, and each sampling unit can be automatically adjusted according to the different seafloor landforms.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a deep sea submersible vehicle carrying an adjustable multi-tube sediment sampler according to the present invention;
FIG. 2 is a perspective view of a part of the structure of the deep sea submersible vehicle carrying the adjustable multi-tube sediment sampler according to the invention;
FIG. 3 is a top view of a portion of the structure shown in FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic diagram of a portion of a sampling unit of the deep sea submersible vehicle with an adjustable multi-pipe sediment sampler according to the present invention;
FIG. 6 is a schematic diagram of a part of a sampling unit of the adjustable multi-pipe sediment sampler carried by the deep sea submersible vehicle according to the invention;
FIG. 7 is a schematic view of a mounting base of the deep sea submersible vehicle with an adjustable multi-tube sediment sampler according to the present invention;
FIG. 8 is a schematic view of the telescopic member of the adjustable multi-tube sediment sampler carried by the deep sea submersible vehicle according to the invention;
fig. 9 is a cross-sectional view of a telescoping member of the present invention for carrying an adjustable multi-tube sediment sampler.
In the above figures, 1, a sampling unit; 11. a sampling end cover; 12. a second screw; 13. a sampling tube; 14. a lead screw; 15. a rubber gasket; 16. a stopper; 17. a resistance adjusting spring; 18. a stop nut; 19. a guide nut; 110. a guide end cap; 111. a fixing screw; 112. a storage cylinder; 113. a base; 114. a bottom bolt; 115. sealing the rubber block; 2. a first connecting rod; 3. a rotating seat; 31. a first end cap; 311. a first groove; 32. a second end cap; 321. a first through hole; 322. a first inclined surface; 323. a second inclined surface; 33. a first screw; 4. a mounting base; 41. a support; 42. a transmission member; 5. a rotating member; 6. a telescoping member; 61. a fixing member; 62. a telescopic rod; 7. an elastic member.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "inner", "outer", "upper", "lower", "front", "rear", etc. are based on the positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-8, the adjustable multi-pipe sediment sampler carried by the deep sea submersible vehicle according to the invention comprises four sampling units 1,4 first connecting rods 2,4 rotating seats 3,4 telescopic members 6, and a mounting seat, wherein the sampling units 1,4 first connecting rods 2,4 telescopic members 6 are arranged above the first connecting rods 2, the telescopic members 6 are arranged above the rotating seats 3, one end of each first connecting rod 2 is connected with a rotating member 5, and the rotating member 5 is arranged in the rotating seat 3.
It should be noted that, in the present embodiment, the number of sampling units 1 is 4, but the number of sampling units 1 in the deep sea submersible vehicle-mounted adjustable multi-pipe sediment sampler according to the present invention may be set according to the situation, or may be set to other numbers.
Referring to fig. 1 and 7, the mounting base 4 includes four supporting members 41, and a transmission member 42 connected to the supporting members 41, where the supporting members 41 are rod-shaped and connected to the corresponding telescopic members 6, and the transmission member 42 is disposed at the center of the four supporting members 41 so that the acting force on the four supporting members 41 is the same.
Referring to fig. 1 and 8, the telescopic member 6 includes a fixing member 61 and a telescopic rod 62, where the fixing member 61 is a telescopic cylinder, the telescopic rod 62 may extend and retract along the direction of the opening of the fixing member 61, an elastic member 7 is sleeved on the telescopic rod 62, before use, the telescopic rod 62 is in a preset length due to the effect of the elastic member 7, during sampling, under the action of pressure and the combined force of the elastic member 7, the telescopic rod 62 gradually enters the fixing member 61, and at the same time, pressure is gradually applied to the sampling unit 1 below the telescopic rod 62, and during lifting after use, the telescopic rod 62 is restored to the original set height, and in addition, due to the arrangement of a plurality of telescopic members 6 and the elastic member 7, each sampling unit 1 is stressed and when the plurality of sampling units 1 are located at different seafloor heights, due to the arrangement, each sampling unit 1 is stressed and is not affected by other sampling units 1, so that sampling operations can be performed.
Referring to fig. 2-4, the upper end of the rotating seat 3 is connected with the expansion member 6, the rotating seat 3 includes a first end cap 31 and a second end cap 32 which are oppositely disposed, the first end cap 31 and the second end cap 32 are connected together by a first screw 33, a first groove 311 is disposed on one side of the first end cap 31 close to the second end cap 32, a first through hole 321 is disposed at a position of the second end cap 32 corresponding to the first groove 311, a first inclined plane 322 is disposed on one side of the second end cap 32 close to the first end cap 31, the first inclined plane 322 extends from the first through hole 321 to a direction close to the first end cap 31, and inclines in an extending direction to a direction far from the first through hole 321, a second inclined plane 323 is disposed on one side of the second end cap 32 far from the first end cap 31, extends from the first through hole 321 to a direction far from the first through hole 321, and inclines in an extending direction far from the first through hole 321, the first inclined plane 322 is disposed on one side of the second end cap 32, and the first inclined plane 322 is formed in a diameter direction close to the first through hole 321, and the first end cap 31 is connected with the first end cap 5, and the second end cap 1 is formed in a large diameter hemispherical unit, and the rotary joint rod is connected with the first end cap 5, and the rotary joint rod is connected with the rotary joint rod 2.
In use, before the sampling unit 1 contacts the seabed, the first connecting rod 2 is in a vertical state under the action of gravity, the rotating member 5 is supported on the first inclined plane 322, when the sampling unit 1 contacts the seabed, the rotating member 5 moves towards the direction close to the first groove 311, meanwhile, due to different appearances of the seabed, when the seabed is uneven, the direction of the first connecting rod 2 acting on the rotating member 5 is deflected, so that the rotating member 5 deviates from the center of the first groove in the moving process and forms a certain included angle with the first through hole 321, then, in the continuous descending process, the first connecting rod 2 continuously inclines or maintains an angle according to the differences of appearances, and when the sampling unit 1 continuously inclines, the inclination angle of the sampling unit 1 is effectively controlled, the process that the sampling unit 1 cannot normally sample due to overlarge inclination is prevented, and simultaneously, the requirements of the maximum inclination angle of the first groove 311, the second inclined plane 5 and the first connecting rod 2 are met through the mutual matching of the first inclined plane and the second inclined plane 323, and the maximum stability requirement of the connecting rod is simultaneously realized.
Referring to fig. 5 to 6, the sampling unit 1 includes a sampling end cap 11, a second screw 12, a sampling tube 13, a lead screw 14, a rubber gasket 15, a stopper 16, a resistance adjusting spring 17, a stopper nut 18, a lead nut 19, a lead end cap 110, a fixing screw 111, a storage cylinder 112, a base 113, a bottom bolt 114, and a sealing rubber block 115, and the upper part of the lead nut 19 is connected with the first connecting rod 2.
Preparation work before sampling: the sampling end cover 11 is arranged on the upper part of the sampling tube 13, the guide screw 14 is arranged on the upper part of the sampling end cover 11, the rubber gasket 15, the stop block 16, the resistance adjusting spring 17 and the stop nut 18 are sequentially arranged along the sampling end cover 11, and the distance between the stop nut 18 and the stop block 16 is adjusted according to the sediment condition of the substrate of the operation sea area so as to achieve the effect of resistance adjustment. The guide nut 19 is installed on the upper portion of the guide screw 14, the first connecting rod 2 is installed above the guide nut 19, and the distance between the first connecting rod 2 and the guide nut 19 is adjusted according to the height of the carrier sampling basket and the height of the manipulator. The guide end cap 110 is installed on the upper portion of the storage cylinder 112, and the guide port is blackened by a black marker pen, so that an underwater operator can conveniently place the sampling tube 13, and after the sealing rubber block 115 is fixed with the base 113 through the bottom bolt 114, the base 113 is turned on the lower portion of the storage cylinder 112. The adjusted sampling tube 13 is integrally placed in the storage cylinder 112, integrally mounted to the carrier sampling basket, and a portion of fresh water is injected into the sampling tube through the hole above the sampling end cap 11.
Sampling: after the carrier reaches the sea floor, the transmission part 42 is used for inserting the sampling tube 13 into a sediment layer, the resistance adjusting spring 17 at the top of the sampling end cover 11 is compressed under the action of pressure, and the seawater is discharged along the drain hole at the top of the sampling end cover 11, so that sediment is stored in the sampling tube 3.
After sampling, at the moment when the mechanical arm lifts up the transmission piece 42, under the action of the resistance adjusting spring 17, the stop block 16 and the rubber gasket 15 rapidly fall down to close the porous structure at the top of the sampling end cover 11, and form a certain negative pressure at the top of the sampling tube 13, so as to ensure that sediment is adsorbed inside the sampling tube 13 and cannot fall. The manipulator is operated to insert the whole sampling tube 13 into the storage cylinder 112 along the guide opening, the sampling tube 13 is tightly contacted with the sealing rubber block 115 with a wedge-shaped interface under the action of gravity, sealing is realized, and sampling is finished.
After the carrier is finished, the sediment sampling device returns to the deck, and then the nut 19, the stop nut 18, the resistance adjusting nut 17, the stop block 16 and the rubber gasket 15 are sequentially guided, so that the surface water sample above the sediment can be extracted from the hole formed in the sampling end cover 11 through the needle tube. After the water sample is stored, the second screw 12 is removed, the sampling end cover 11 is removed from the upper part of the sampling tube 13, the fixing screw 111 is removed, the guide end cover 110 is removed from the upper part of the storage cylinder body 112, the base 113 is fixed through the fixing hole, the storage cylinder body 112 is screwed out of the base 113 along the thread structure, and a sediment sample integrating the sampling tube 13, the sealing rubber block 115 and the base 113 is obtained. So far, sediment samples are sampled from the seabed to the direct sample treatment, the vertical sampling state is always kept, the sealing is good, and operators can perform undisturbed extraction or integral preservation according to requirements.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. An adjustable multitube deposit sampler is carried to deep sea submersible vehicle, characterized in that includes: a plurality of sampling units arranged at intervals, a plurality of first connecting rods correspondingly connected with the sampling units, and
the plurality of rotating seats are arranged corresponding to the first connecting rod and are provided with accommodating cavities and first through holes communicated with the accommodating cavities;
the rotating parts are correspondingly arranged in the accommodating cavity and can rotate in the accommodating cavity;
the mounting seats are connected with the plurality of rotating seats;
one end of the first connecting rod penetrates through the first through hole and is connected with the rotating piece, and the first connecting rod is in clearance fit with the first through hole;
the rotating seat comprises a first end cover with a first groove, a second end cover arranged opposite to the first end cover, a first through hole arranged on the second end cover, a first inclined surface arranged on one side of the second end cover close to the first end cover, and a second inclined surface arranged on one side of the second end cover close to the first end cover, wherein the first inclined surface extends from the first through hole to the direction close to the first end cover and inclines in the extending direction to the direction far from the first through hole, the second end cover also comprises a second inclined surface arranged on one side of the first through hole far from the first end cover, and the inclined surface extends from the first through hole to the direction far from the first end cover and inclines in the extending direction to the direction far from the first through hole; the telescopic piece is arranged between the rotating seat and the mounting seat, and the elastic piece is arranged between the rotating seat and the mounting seat; the telescopic part comprises a fixing part and a telescopic rod arranged on the fixing part, and the elastic part is a spring sleeved on the telescopic rod.
2. The deep sea submersible vehicle according to claim 1 carrying an adjustable multi-tube sediment sampler wherein the first end cap and the second end cap are removably connected.
3. The deep sea submersible vehicle mounting adjustable multi-tube sediment sampler of claim 2 wherein the first recess is a hemispherical recess.
4. A deep sea submersible vehicle according to claim 3 carrying an adjustable multi-tube sediment sampler wherein the diameter of the first recess is greater than the diameter of the rotor.
5. The deep sea submersible vehicle carrying adjustable multi-tube sediment sampler of claim 1, wherein the mounting base comprises a plurality of supporting members fixedly connected with a plurality of the rotating bases, and a transmission member connected with a plurality of supporting rods, and the transmission member is arranged among a plurality of the supporting members.
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| CN202010420419.8A CN111610060B (en) | 2020-05-18 | 2020-05-18 | Adjustable multi-pipe sediment sampler carried on deep sea submersible vehicle |
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| CN202010420419.8A CN111610060B (en) | 2020-05-18 | 2020-05-18 | Adjustable multi-pipe sediment sampler carried on deep sea submersible vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114034513A (en) * | 2021-11-11 | 2022-02-11 | 山东省煤田地质局第一勘探队 | Multi-point sampling device suitable for seabed sediment |
| CN114878210B (en) * | 2022-05-06 | 2024-05-31 | 国家深海基地管理中心 | Siphon type biological fidelity sampler for underwater carrier |
| CN115753230B (en) * | 2022-11-07 | 2023-05-12 | 国家深海基地管理中心 | Submersible device capable of carrying long-time series seawater extraction culture device |
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| CN111610060A (en) | 2020-09-01 |
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