WO2023078470A1

WO2023078470A1 - Deep-sea in-situ long-term experimental platform having sediment sampling function

Info

Publication number: WO2023078470A1
Application number: PCT/CN2022/138537
Authority: WO
Inventors: 陈煜�; 李洁; 张偲
Original assignee: 南方海洋科学与工程广东省实验室(广州); 中国科学院南海海洋研究所
Priority date: 2022-02-23
Filing date: 2022-12-13
Publication date: 2023-05-11
Also published as: CN114910299B; CN114910299A

Abstract

A deep-sea in-situ long-term experimental platform having a sediment sampling function, which relates to the field of deep sea apparatuses. The platform enables, by means of a multi-stage release mechanism, buoyancy to match gravity to complete an entire sampling recovery process of sediment, which only requires small power units to be sequentially triggered to complete intubation and sampling without a powerful power source to provide kinetic energy for vertical movement. The structure of the deep-sea in-situ long-term experimental platform is simplified, and moreover, the weight is reduced, the cost is reduced, and the reliability is further improved.

Description

A deep-sea in-situ long-term experimental platform with sediment sampling function

Technical field:

The invention relates to the field of deep-sea equipment, in particular to a deep-sea in-situ long-term experiment platform with a sediment sampling function.

Background technique:

Deep-sea life science research requires in-situ experiments on the deep seabed, and the results of experiments need to collect sediment samples for analysis. Automatic collection of sediment samples for deep-sea experimental equipment is an essential and important operation during recovery. It is very difficult to realize the automatic sampling function of sediment on the deep seabed. The existing technology, such as the technology described in Patent No. CN 105758687 A, is to install a deep-sea motor or hydraulic station and other power propulsion mechanisms on the platform, and use electric energy to convert it into machinery, so that the sampling tube can be inserted into the sediment and pulled out to obtain samples. However, this type of technology has a complex structure, a large volume, and requires a large number of batteries to be stored underwater for a long time; the weight of the designed equipment is also very heavy. Deep-sea buoyancy materials are used to make the surface float back to the surface, and the cost is very high. In addition, after the high-power power-driven propulsion mechanism is placed in the deep sea for a long time, there is a certain failure rate, which may lead to sampling failure, and then lead to the loss of experimental data.

Invention content:

Aiming at the deficiencies in the prior art, the present invention provides a deep-sea in-situ long-term experimental platform with the function of sediment sampling. The platform uses a multi-stage release mechanism to cooperate with gravity and buoyancy to complete the entire sampling and recovery process of sediments. This process Intubation and sampling can be completed only by sequential triggering of small power units, without the need for high-power power sources to provide kinetic energy for up and down movement. The design of this patent simplifies the structure of the deep-sea in-situ long-term experiment platform, reduces weight and cost, and increases reliability.

To achieve the above object, the present invention can take the following technical solutions:

A deep-sea in-situ long-term experimental platform with sediment sampling function, which includes:

Equipped with a mobile stand;

A sampler, which can be movably arranged on the carrying mobile support;

a counterweight, which is detachably arranged on the carrying mobile bracket, and the counterweight is connected to the pipe inside the sampler; and,

The floating body material is detachably arranged on the carrying mobile support, and the floating body material is connected to the pipe inside the sampler, wherein,

When sampling is required, the sampler of the experimental platform is released, and the pipe of the sampler is driven into the sediment by the gravity of the counterweight;

When the sample needs to be recovered, the floating material of the experiment platform is released, and the pipe of the sampler is pulled into the cabin of the sampler driven by the buoyancy of the floating material.

As for the deep-sea in-situ long-term experiment platform with the function of sediment sampling as described above, further, when the sampling is finished, the experiment platform discards the counterweight and rises to the water surface under the action of buoyancy.

As mentioned above, the deep-sea in-situ long-term experimental platform with sediment sampling function, further, the mobile support also includes:

The retaining pipe is a square frame structure and is detachably installed, and the retaining pipe is arranged horizontally on the ground;

an acoustic release support bracket for securing the acoustic release; and,

A plurality of four-corner uprights, which are vertically connected to the lower bottom surface of the retaining tube to form a cuboid frame, wherein the floating material is installed on both sides of the cuboid frame;

A fixed plate, which is provided with a slide tube, the pull rod of the sampler slides inside the slide tube and plays a guiding role, and the fixed plate is also provided with a round hole to limit the acoustic release device during use. side-to-side shaking in ; and,

The power supply fixing rod is connected to the four-corner vertical rod and distributed on both sides of the acoustic releaser support frame. The power supply fixing rod is provided with a floating ball power supply, and the power supply fixing rod is used for the floating ball power supply protective case.

A release block, which is rotatably connected to the crossbar carrying the mobile bracket, and the two ends of the crossbar are connected to the two four-corner uprights, and the release block is tensioned with the acoustic releaser through a steel wire rope; and,

A shift lever, which is rotatably connected to the crossbar carrying the mobile bracket, the acoustic release device releases the wire rope after receiving the acoustic signal, and the release block and the shift lever are rotated to release by the action of gravity of the counterweight. The tube of the sampler, wherein, the position of the release block and the gear rod in the horizontal tube and the distance from the horizontal tube to the leg make the center of gravity position of the experimental platform underwater no matter what state it is in. Always below center of buoyancy.

buoyant material support tubes, which are arranged at the bottom of the four-corner uprights for placing the buoyant material, and,

The instrument mounting plate is arranged parallel to the ground, and the instrument mounting plate is vertically provided with a sampler slip tube, which plays a role in the sampling process of the sampler and the transportation of the experimental platform. Limitation and guidance.

legs disposed at the bottom of the buoyant material support tube and adjacent to the buoyant material; and,

A decoupling device, which is arranged at the bottom of the support tube of the floating body material, the decoupling device is connected with a trigger module and connected to the floating body material, and the trigger module acts to open the decoupling device, thereby releasing the The above-mentioned floating body material.

As mentioned above, the deep-sea in-situ long-term experimental platform with sediment sampling function, further, the decoupler includes:

a fixed plate, which is connected to the carrying mobile bracket;

The block is connected with the fixed plate through a pin shaft, and a blind hole is arranged on the block, and a circular magnet is arranged in the blind hole and sealed with epoxy resin. One end of the pin shaft is also provided with a ring Oxygen potted magnets;

A fixed vertical plate, which is provided with two pieces, the fixed vertical plate is used to connect the stopper and the rotating hook through the pin shaft, so that it rotates in the middle of the two fixed vertical plates; and,

The swivel hook, which places the object to be connected in the groove on it, and places the right-angled groove above the swivel hook in the right-angled groove of the stopper, so that it can be snapped into contact to prevent objects from hanging into it inner back detachment;

According to the above-mentioned deep-sea in-situ long-term experimental platform with the function of sediment sampling, further, the floating body material is also provided with a floating body material cage, and the floating body material cage includes:

A connecting frame, which includes a connecting block and fixed pipes on both sides of the connecting horizontal tube, wherein the connecting block is connected to the pull rod of the sampler, so that the floating body material can pull out the sampler through the pull rod of the sampler while it is rising. out of the sediment; the through hole in the middle of the fixed pipes on both sides is provided with two pull rods passing through the floating body material, and the decoupler is connected by the pull rod of the sampler, so that the floating body material is fixed on the floating body equipped with a mobile bracket when it is not working underwater on the material support tube; and,

A U-shaped welding frame is vertically connected to both sides of the connecting frame.

As mentioned above, the deep-sea in-situ long-term experimental platform with sediment sampling function, further, the connecting support plate of the sampler includes:

a support plate body, which is a rectangular plate body and provided with holes for passing through; and,

The sliding column is vertically connected to the supporting plate body.

As mentioned above, the deep-sea in-situ long-term experiment platform with sediment sampling function, further, the counterweight includes:

D-type lifting ring;

counterweight tie rods; and,

A counterweight, which is provided with symmetrical through holes on both sides, and a connecting through hole for a counterweight pull rod in the middle, when the symmetrical through hole of the counterweight is connected with the connecting support plate of the sampler, the sliding A post is threaded into it to limit the rotation of the counterweight to only up and down.

Compared with the prior art, the present invention has the beneficial effects that: the design of the platform effectively utilizes the gravity of its own counterweight and the buoyancy of the buoyant material, and completes sampling of deep seabed sediments through a multi-stage release mechanism, which requires only a small The intubation and sampling can be completed by sequentially triggering the electric energy supply without a high-power power source to provide kinetic energy for up and down movement. The invention removes the high-power motor or hydraulic station used for sampling drive, simplifies the structure of the deep-sea in-situ long-term experimental platform, reduces the cost, and increases the reliability; meanwhile, the weight of the experimental platform is reduced, so that the platform meets the requirements of underwater The loading conditions of the robot enable accurate delivery on the seabed, which increases the rigor of deep-sea scientific research.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is a perspective view of an experimental platform of an embodiment of the present invention.

Fig. 2 is a perspective schematic diagram of another viewing angle of the experimental platform of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the experimental platform of the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of each release position of the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a mobile stand equipped with an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a decoupler according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a floating body material cage according to an embodiment of the present invention.

Fig. 8 is a schematic diagram of the counterweight structure of the embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a sampler connecting support plate according to an embodiment of the present invention.

Detailed ways:

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

Example

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof in the embodiments of the present invention are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to Those steps or elements are not explicitly listed, but may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

It is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", "Radial", " The orientation or positional relationship indicated by "circumferential direction" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, Constructed and operative in a particular orientation and therefore are not to be construed as limitations of the invention.

In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. In addition, unless otherwise clearly stipulated and limited, the terms "mounted", "connected" and "connected" should be interpreted in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical A connection can also be an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

Referring to Fig. 1 to Fig. 9, Fig. 1 is the three-dimensional schematic view of the experimental platform of the embodiment of the present invention; Fig. 2 is the three-dimensional schematic view of another viewing angle of the experimental platform of the embodiment of the present invention; Fig. 3 is the perspective view of the experimental platform of the embodiment of the present invention Schematic diagram of the structure; Fig. 4 is a schematic diagram of the structure of each release position of the embodiment of the present invention; Fig. 5 is a schematic diagram of the structure of the mobile bracket equipped with the embodiment of the present invention; Fig. 6 is a schematic diagram of the structure of the uncoupling device of the embodiment of the present invention; Schematic diagram of the structure of the floating body material holder of the embodiment; FIG. 8 is a schematic diagram of the structure of the counterweight of the embodiment of the present invention; FIG. 9 is a schematic diagram of the structure of the sampler connection support plate of the embodiment of the present invention.

A deep-sea in-situ long-term experimental platform with the function of sediment sampling, consisting of an acoustic release device 1, a mobile bracket 2, a floating ball power supply 3, a floating body material 4, a floating body material holder 5, a counterweight 6, a trigger module 7, and a decoupling Device 2.13, the sampler is connected to the support plate 8, and the sampler is composed. After the deep-sea in-situ experiment, the experimental platform waits for the acoustic recovery command from the scientific research ship. After receiving the recovery command, it completes the sediment sampling and discards the counterweight through multi-stage linkage release action, so that the equipment floats to the sea surface. After the acoustic release device 1 on the mobile support 2 receives the order, the acoustic release device 1 unhooks and releases the sampler connected with the counterweight 6, and the pipe of the sampler will be pressed into the sediment under the gravity of the counterweight 6 (this When the pull rod in the sampler does not move), when the pipe is inserted to a certain depth, the trigger module 7 connected to the floating body material 4 will open and release the uncoupling device 2.13. and slowly pull the sampler tubing into the sampler compartment. After the sampling is completed, the counterweight 6 is released and discarded, and the experimental platform rises to the water surface under the action of buoyancy.

Referring to FIG. 5 , FIG. 5( a ) shows a schematic diagram of a three-dimensional structure with a mobile support, and FIG. 5( b ) shows a cutaway view of a mobile support. Equipped with mobile bracket 2, it consists of square detachable retaining tube 2.1, acoustic releaser support frame 2.2, four-corner vertical rod 2.3, fixed plate 2.4, sliding tube 2.5, power supply fixing rod 2.6, release block 2.7, floating body material support tube 2.8, instrument installation Plate 2.9, supporting leg 2.10, gear rod 2.11, sampler sliding tube 2.12, decoupling device 2.13, floating body material moving tube 2.14 and horizontal tube fixedly connected card groove plate 2.15. In order to facilitate the installation of the floating body material, the square detachable retaining tube 2.1 is set as a detachable structure, and is fixed on the four-corner vertical pole 2.3 by bolts. There is a jamming phenomenon; in order to prevent the welding deformation of the bracket from affecting the up and down sliding of the floating body material 4, the floating body material moving tube 2.14 is set as a detachable structure, and the upper and lower sides are respectively connected with the square detachable retaining tube 2.1 and the floating body material support tube 2.8 through bolts. There are four material moving tubes 2.14; the sliding tube 2.5 is set on the fixed plate 2.4, the pull rod of the sampler slides inside it and plays a guiding role, and the round hole on the right side of the fixed plate 2.4 restricts the acoustic release device during use The power supply fixing rod 2.6 arranged on the left and right can be used to fix the protective shell of the floating ball power supply 3, and the setting here will not affect the up and down sliding of the floating body material 4; the release block 2.7 and the gear rod 2.11 are arranged on the bracket 2 through a hinge On the horizontal tube, its distance is consistent with the support plate of the fixed counterweight 6 of the sampler. The gear bar 2.11 can swing at an angle greater than 90° in the bracket 2, and the sampler connecting support plate 8 connected with the counterweight 6 is limited at Under the horizontal tube of the bracket 2, the release block 2.7 is used to snap it into the slot fixedly connected to the horizontal tube. The release block 2.7 is tightened with the acoustic release device 1 through the steel wire rope. The acoustic release device 1 releases the steel wire rope after receiving the acoustic signal. The release block 2.7 and the gear lever 2.11 are rotated to release the sampler under the action of the counterweight 6. The position of the release block 2.7 and the gear lever 2.11 on the horizontal tube of the bracket 2 and the distance from the horizontal tube to the leg 2.10 make the experimental platform underwater regardless of In which state the center of gravity is always lower than the center of buoyancy; the sampler slip tube 2.12 is set on the instrument mounting plate 2.9, so that the sampler plays a role of limiting and guiding during sampling and transportation; the outrigger 2.10 is set on the support tube of the floating body material 2.8 below and close to the floating body material, balance the center of gravity and center of stability of the experimental platform on the shore and underwater.

Referring to Fig. 4, Fig. 4 (a) has shown the state before the pipe of sampler is ready to take a sample, and Fig. 4 (b) has shown that when the pipe of sampler needs to sample, the sampler of experimental platform is released, and sampler is in counterweight 6 Driven by the action of gravity, the process will be pressed into the sediment. Figure 4(c) shows that when the sample needs to be recovered, the floating material 4 of the experimental platform is released, and the tube of the sampler is driven by the buoyancy of the floating material 4. The process of pulling into the cabin of the sampler, Figure 4(d) shows that when the sampling is finished, the experimental platform needs to be recovered, at this time, the experimental platform discards the counterweight 6 and rises to the water surface under the action of buoyancy.

Referring to FIG. 6 , FIG. 6( a ) shows a sectional view of the uncoupler from one angle of view, and FIG. 6 ( b ) shows a sectional view of the uncoupler from another angle of view. The uncoupling device 2.13 is made up of: fixed plate 2.13-1, block 2.13-2, fixed vertical plate 2.13-3, rotary hook 2.13-4. When in use, the through hole on the fixed plate 2.13-1 and the block 2.13-2 is connected with a pin shaft to limit the position, and a circular magnet is arranged in the blind hole of the block 2.13-2 and is potted with epoxy resin. One end is also provided with a magnet potted with epoxy resin. The magnets of the two are placed on the principle of opposite sex attraction. The rotating hook 2.13-4 places the object to be connected in the groove on it, and the rotating hook 2.13-4 The upper right-angled groove is placed in the right-angled groove of the stopper 2.13-2, so that it is fastened and contacted to prevent objects from hanging into it and then disengaged; the fixed vertical plate 2.13-3 is provided with two pieces to connect the stopper 2.13-2 and the rotating hook 2.13- 4 is connected by a pin shaft so that it rotates in the middle of the two pieces.

Referring to FIG. 7 , FIG. 7( a ) shows a three-dimensional structure diagram of the floating body material cage, and FIG. 7( b ) shows a three-dimensional structure diagram of the connecting frame. The floating body material cage 5 is composed of a connecting frame 5.1 and a U-shaped welding frame 5.2. In order to ensure that the floating body material 4 pulls out the sediment from the sampler during the rising process, and to meet the function of two floating body materials 4 rising at the same time, the connecting frame 5.1 and the U-shaped welding frame 5.2 are fixed as a whole by bolts, and the floating body material 4 It is set that two pieces are respectively placed on both sides of the platform, which can greatly reduce the height of the platform. The connecting frame 5.1 is welded by the connecting block 5.1-1, the connecting horizontal pipe 5.1-2 and the fixed pipes 5.1-3 on both sides. The connection block 5.1-1 is connected with the two pull rods of the sampler, so that the floating body material 4 pulls out the sediment through the pull rods while the floating body material 4 is rising. Two pull rods running through the floating body material 4 are arranged in the through hole in the middle of the fixed pipes 5.1-3 on both sides of the connecting frame 5.1, and the decoupling device 2.13 is connected through the pull rods, so that the floating body material 4 is fixed on the mobile support 2 when it is not working underwater. The floating body material is supported on the tube 2.8, and the decoupling devices 2.13 on both sides release the floating body material 4 at the same time after the intubation is completed.

Referring to Fig. 8, the counterweight 6 is made up of: a D-type suspension ring 6-1, a counterweight block 6-2, and a counterweight pull rod 6-3. The counterweight 6-2 is provided with symmetrical through holes on both sides, and the connecting through hole of the counterweight pull rod 6-3 is set in the middle. When the symmetrical through hole of the counterweight 6-2 is connected with the sampler connection support plate 8, Make sliding column 8-2 penetrate wherein, limit the rotation of counterweight 6, make it can only move up and down. The schematic diagram of the structure of the sampler connection support plate 8 is shown in Figure 9, Figure 9 (a) shows the view of the sampler connection support plate in a top view, and Figure 9 (b) shows the sampler connection support plate 8-1 sliding The view in the use state when column 8-2 passes through.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and its purpose is to enable those of ordinary skill in the art to understand the content of the present invention and implement it accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the essence of the present invention shall fall within the protection scope of the present invention.

Claims

A deep-sea in-situ long-term experimental platform with a sediment sampling function, characterized in that it includes:

Equipped with a mobile stand;

A sampler, which can be movably arranged on the carrying mobile support;

a counterweight, which is detachably arranged on the carrying mobile bracket, and the counterweight is connected to the pipe inside the sampler; and,

The floating body material is detachably arranged on the carrying mobile support, and the floating body material is connected to the pipe inside the sampler, wherein,

When sampling is required, the sampler of the experimental platform is released, and the pipe of the sampler is driven into the sediment by the gravity of the counterweight;

When the sample needs to be recovered, the floating material of the experiment platform is released, and the pipe of the sampler is pulled into the cabin of the sampler driven by the buoyancy of the floating material.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 1, characterized in that, when the sampling is finished, the experimental platform discards the counterweight and rises to the water surface under the action of buoyancy.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 2, characterized in that, said carrying mobile bracket also includes:

The retaining pipe is a square frame structure and is detachably installed, and the retaining pipe is arranged horizontally on the ground;

an acoustic release support bracket for securing the acoustic release; and,

A plurality of four-corner uprights, which are vertically connected to the lower bottom surface of the retaining tube to form a cuboid frame, wherein the floating material is installed on both sides of the cuboid frame;

A fixed plate, which is provided with a slide tube, the pull rod of the sampler slides inside the slide tube and plays a guiding role, and the fixed plate is also provided with a round hole to limit the acoustic release device during use. side-to-side shaking in ; and,

The power supply fixing rod is connected to the four-corner vertical rod and distributed on both sides of the acoustic releaser support frame. The power supply fixing rod is provided with a floating ball power supply, and the power supply fixing rod is used for the floating ball power supply protective case.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 3, characterized in that, said carrying mobile bracket also includes:

A release block, which is rotatably connected to the crossbar carrying the mobile bracket, and the two ends of the crossbar are connected to the two four-corner uprights, and the release block is tensioned with the acoustic releaser through a steel wire rope; and,

A shift lever, which is rotatably connected to the crossbar carrying the mobile bracket, the acoustic release device releases the wire rope after receiving the acoustic signal, and the release block and the shift lever are rotated to release by the action of gravity of the counterweight. The tube of the sampler, wherein, the position of the release block and the gear rod in the horizontal tube and the distance from the horizontal tube to the leg make the center of gravity position of the experimental platform underwater no matter what state it is in. Always below center of buoyancy.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 4, characterized in that, said carrying mobile bracket also includes:

buoyant material support tubes, which are arranged at the bottom of the four-corner uprights for placing the buoyant material, and,

The instrument mounting plate is arranged parallel to the ground, and the instrument mounting plate is vertically provided with a sampler slip tube, which plays a role in the sampling process of the sampler and the transportation of the experimental platform. Limitation and guidance.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 5, characterized in that, said carrying mobile bracket also includes:

legs disposed at the bottom of the buoyant material support tube and adjacent to the buoyant material; and,

A decoupling device, which is arranged at the bottom of the support tube of the floating body material, the decoupling device is connected with a trigger module and connected to the floating body material, and the trigger module acts to open the decoupling device, thereby releasing the The above-mentioned floating body material.
The deep-sea in-situ long-term experiment platform with sediment sampling function according to claim 6, wherein the decoupler comprises:

a fixed plate, which is connected to the carrying mobile bracket;

The block is connected with the fixed plate through a pin shaft, and a blind hole is arranged on the block, and a circular magnet is arranged in the blind hole and sealed with epoxy resin. One end of the pin shaft is also provided with a ring Oxygen potted magnets;

A fixed vertical plate, which is provided with two pieces, the fixed vertical plate is used to connect the stopper and the rotating hook through the pin shaft, so that it rotates in the middle of the two fixed vertical plates; and,

The swivel hook, which places the object to be connected in the groove on it, and places the right-angled groove above the swivel hook in the right-angled groove of the stopper, so that it can be snapped into contact to prevent objects from hanging into it Inside and back out.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 7, wherein a floating body material holder is also provided in the floating body material, and the floating body material holder includes:

A connecting frame, which includes a connecting block and fixed pipes on both sides of the connecting horizontal tube, wherein the connecting block is connected to the pull rod of the sampler, so that the floating body material can pull out the sampler through the pull rod of the sampler while it is rising. out of the sediment; the through hole in the middle of the fixed pipes on both sides is provided with two pull rods passing through the floating body material, and the decoupler is connected by the pull rod of the sampler, so that the floating body material is fixed on the floating body equipped with a mobile bracket when it is not working underwater on the material support tube; and,

A U-shaped welding frame is vertically connected to both sides of the connecting frame.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 8, wherein the connecting support plate of the sampler comprises:

a support plate body, which is a rectangular plate body and provided with holes for passing through; and,

The sliding column is vertically connected to the supporting plate body.
The deep-sea in-situ long-term experimental platform with sediment sampling function according to claim 8, wherein the counterweight comprises:

D-type lifting ring;

counterweight tie rods; and,

A counterweight, which is provided with symmetrical through holes on both sides, and a connecting through hole for a counterweight pull rod in the middle, when the symmetrical through hole of the counterweight is connected with the connecting support plate of the sampler, the sliding A post is threaded into it to limit the rotation of the counterweight to only up and down.