CN220794693U

CN220794693U - Submarine sediment sampling device

Info

Publication number: CN220794693U
Application number: CN202322420001.9U
Authority: CN
Inventors: 邢素坤
Original assignee: North China Sea Environmental Monitoring Center State Oceanic Administration
Current assignee: North China Sea Environmental Monitoring Center State Oceanic Administration
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-16
Anticipated expiration: 2033-09-06

Abstract

The utility model relates to the technical field of sediment sampling, in particular to a submarine sediment sampling device, which comprises a sampling tube and a sampling main body; the sampling tube is hollow, two ends of the sampling tube are open, an air bag with a through hole is arranged in one end of the sampling tube around the inner wall of the sampling tube, an air charging tube connected with the air bag is arranged in the tube wall of the sampling tube, and one end of the air charging tube, which is far away from the air bag, penetrates out from one end of the sampling tube, which is far away from the air bag; the sampling main body comprises a connector detachably connected with the sampling tube, a piston arranged in the sampling tube and a connecting rod penetrating through the connector and connected with the piston, wherein the connecting rod is in sliding connection with the connector, and a water permeable hole is formed in the connector. The air bag is inflated through the inflation tube, the opening of the sampling tube is plugged by inflation of the air bag, then the sampling tube is lifted upwards, a sample in the sampling tube is intercepted by the air bag, and the sample loss cannot be caused in the lifting process.

Description

Submarine sediment sampling device

Technical Field

The utility model relates to the technical field of sediment sampling, in particular to a submarine sediment sampling device.

Background

In order to analyze the sea conditions, it is necessary to sample the seabed sediment and thus to understand the spatial distribution of the sea contaminants. In the prior art, when shallow sea area is sampled, the sampled sample is often lost in the lifting process. The utility model patent with publication number of CN114184415A discloses a handheld ocean shallow sediment sampling device, wherein a sliding valve seat is fixed at the upper end of a core taking pipe, a sealing mechanism capable of sealing the upper end opening of the core taking pipe is arranged in the sliding valve seat, the lower end of a push-pull rod penetrates through a positioning end cover to be fixedly connected with the sliding valve seat, the push-pull rod is matched with the positioning end cover in a sliding manner, a self-locking release pin shaft can be inserted into a sealing plate to be locked or pulled out from the sealing plate, when the self-locking release pin shaft is inserted into the sealing plate and locked, the sealing plate is limited in a left side slideway of the core taking pipe, the lower end opening of the core taking pipe is opened, and when the self-locking release pin shaft is pulled out from the sealing plate, and the upper end surface of the sliding valve seat is contacted with the positioning end cover by the push-pull rod, the sealing plate is pushed into the slideway on the right side of the core taking pipe and seals the lower end opening of the core taking pipe. After sampling, the sealing mechanism and the sealing plate are matched to realize the sealing of the upper end and the lower end of the coring pipe, and samples in the coring pipe cannot run off from the coring pipe in the lifting process. However, the above structure results in a large pin portion which cannot be inserted into the sea floor during sampling, is not easy to operate, and is inconvenient to sample, and thus there is a need for a device for sampling seabed sediment which is easy to operate and does not cause sample loss during lifting.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, although a sediment sampling device can prevent a sample from being lost in the lifting process, a pin shaft part is too large to be inserted into the sea floor, the operation is difficult, and the sampling is inconvenient, and the sediment sampling device is convenient to operate and can not cause the sample to be lost in the lifting process.

A submarine sediment sampling device comprises a sampling tube and a sampling main body; the sampling tube is hollow, two ends of the sampling tube are open, an air bag with a through hole is arranged in one end of the sampling tube around the inner wall of the sampling tube, an air charging tube connected with the air bag is arranged in the tube wall of the sampling tube, and one end of the air charging tube, which is far away from the air bag, penetrates out from one end of the sampling tube, which is far away from the air bag; the sampling main body comprises a connector detachably connected with the sampling tube, a piston arranged in the sampling tube and a connecting rod penetrating through the connector and connected with the piston, wherein the connecting rod is in sliding connection with the connector, and a water permeable hole is formed in the connector.

Further, the air bag comprises an air inflation mechanism, an air outlet of the air inflation mechanism is provided with an air inflation valve and a first air inflation connector, one end of the air inflation pipe, which is far away from the air bag, is detachably connected with the air inflation mechanism through the first air inflation connector, and one side, which is far away from the air inflation mechanism, of the air inflation valve is provided with a pressure gauge.

Furthermore, two inflation tubes are symmetrically arranged in the tube wall of the sampling tube, and the inflation valve is a three-way valve.

Further, the inflatable device further comprises an extension tube, a second inflation connector is arranged at one end of the extension tube, and two ends of the extension tube are detachably connected with the inflation mechanism and the inflation tube through the first inflation connector and the second inflation connector respectively.

Further, the inflation mechanism comprises inflation equipment and knapsack equipment, the inflation equipment is connected with the knapsack equipment, and the knapsack equipment is used for a user to carry on the body.

Further, the connecting rod is located the connector is kept away from one side of sampling tube is close to the position of tip and is provided with the handle, and the tip is provided with the go-between that is used for connecting the rope.

Further, one side of the connector, which is far away from the sampling tube, is provided with a sampling rod, and one end of the sampling rod, which is far away from the connector, is provided with a handle.

Further, the sampling rod comprises a first rod body and a second rod body, the first rod body is detachably connected with the second rod body, the first rod body is fixedly connected with the connector, and the second rod body is fixedly connected with the handle.

Further, the sampling rod further comprises an extension rod, and the extension rod is detachably connected between the first rod body and the second rod body.

Further, one end of the inflation tube, which is far away from the air bag, is provided with a one-way valve.

Compared with the prior art, the utility model has the beneficial effects that:

according to the sampling device for the seabed sediment, the air bag is arranged in the tail end of the sampling tube, the air bag is arranged along the radial section of the sampling tube and is provided with the through hole, when sampling is carried out, a seabed sediment sample enters the sampling tube through the through hole, after sampling is finished, the air bag is inflated through the inflation tube, the opening of the sampling tube is plugged by inflation of the air bag, then the sampling tube is lifted upwards, the sample in the sampling tube is intercepted by the air bag, and the sample loss cannot be caused in the lifting process. In addition, the seabed sediment sampling device has no other structure blocking outside the sampling tube, can be smoothly inserted into the seabed, and is convenient to operate.

The seabed sediment sampling device provided by the utility model has the advantages that the inflatable tube, the extension tube and the inflation mechanism are detachably connected, so that the device is convenient to carry and can be installed and detached on the site of use. Through setting up the extension pipe, be convenient for take a sample to the deep region in seabed, do not install the extension pipe, can take a sample to the shallow region of seabed hinge.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram showing the overall structure of a submarine sediment sampling device according to an embodiment of the present utility model.

FIG. 2 is a partial structural cross-sectional view of a seabed sediment sampling apparatus in an embodiment of the present utility model.

FIG. 3 is an exploded view of the sampling rod of the subsea sediment sampling device in an embodiment of the utility model.

Fig. 4 is a schematic structural view of an inflator mechanism in an embodiment of the present utility model.

Fig. 5 is a schematic structural view of the backpack apparatus in an embodiment of the present utility model.

Fig. 6 is an enlarged view at B in fig. 5.

In the figure: 1. a sampling tube; 2. an air bag; 3. an inflation tube; 4. a connector; 5. a piston; 6. a connecting rod; 7. an inflation valve; 8. a pressure gauge; 9. an extension tube; 10. a second inflation connector; 11. carrying the equipment; 12. a handle; 13. a connecting ring; 14. a handle; 15. a first rod body; 16. a second rod body; 17. a first connection portion; 18. a second connecting portion; 19. a convex column; 20. a columnar protrusion; 21. a sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2 and 4, the device for sampling submarine sediment in this embodiment comprises a sampling tube 1, a sampling body and an inflation mechanism. The sampling tube 1 is of a hollow circular tube-shaped structure with two open ends, the sampling tube 1 is made of transparent materials, an air bag 2 is arranged on the inner side of one end of the sampling tube 1, the air bag 2 is arranged along the radial section of the sampling tube 1 and is connected with the inner wall of the sampling tube 1 to form an annular structure with a through hole, the through hole can be of a regular shape or an irregular shape, the air bag 2 is made of rubber materials, and after the air bag 2 is inflated, the inner side of the sampling tube 1 can be blocked, so that the sample loss in the lifting process is prevented. An air charging tube 3 which is connected and communicated with the air bag 2 is arranged in the tube wall of the sampling tube 1, and one end of the air charging tube 3, which is far away from the air bag 2, penetrates out of one end of the sampling tube 1, which is far away from the air bag 2, and is connected with an air charging mechanism.

Specifically, in this embodiment, two air inflation tubes 3 are symmetrically arranged in the tube wall of the sampling tube 1, one end of the air inflation tube 3, which is far away from the air bag 2, is connected with a one-way valve, and the one-way valve is detachably connected with the air inflation tube 3. As shown in fig. 5 and 6, an air outlet of the air charging mechanism is provided with an air charging valve 7 and a first air charging connector, the air charging valve 7 is a three-way valve, one side of the air charging valve, which is far away from the air charging mechanism, is provided with a pressure gauge 8, an extension pipe 9 is connected between the first air charging connector and the air charging pipe 3, one end of the extension pipe 9, which is far away from the first air charging connector, is connected with a second air charging connector 10 which is connected with the air charging pipe 3, so that a deep seabed area can be conveniently sampled, and if the extension pipe 9 is not installed, a shallow seabed hinge area can be sampled, so that the seabed sediment sampling device in the embodiment can be suitable for sampling with different depths.

In the present utility model, the inflation mechanism includes an inflation device (not shown in the drawings) and a carrying device 11, the inflation device being connected to the carrying device 11, the carrying device 11 being for a user to carry on his/her body. In this embodiment, as shown in fig. 5 and 6, the carrying device 11 is a backpack, the inflating device is disposed in the backpack, and the air outlet penetrates the backpack and is located outside the backpack. By arranging the carrying device 11, the inflatable device can be carried on the body of a user, and is convenient to carry. In some other embodiments, the carrying device 11 may also be a strap, and the strap is fastened to the inflatable device. In this embodiment, the inflating device is a high-pressure gas cylinder (not shown in the figure), and in some other embodiments, the inflating device may also be an electric inflator pump and a mobile power supply.

In this embodiment, the sampling main part includes the connector 4 of being connected with sampling tube 1 can be dismantled, sets up piston 5 in sampling tube 1 and runs through connector 4 and piston 5 connected's connecting rod 6, and the water hole has been seted up to connector 4 to be convenient for discharge the water in the sampling tube 1 when the sample, piston 5 has the bleeder vent. Preferably, the connector 4 is in threaded connection with the sampling tube 1.

The connecting rod 6 is in sliding connection with the connector 4, a handle 12 is arranged at the position, close to the end, of one side, far away from the sampling tube 1, of the connector 4, and a connecting ring 13 for connecting ropes is arranged at the end. One side of the connector 4 far away from the sampling tube 1 is provided with a sampling rod, and one end of the sampling rod far away from the connector 4 is provided with a handle 14. The sampling rod comprises a first rod body 15 and a second rod body 16, the first rod body 15 is detachably connected with the second rod body 16, the first rod body 15 is fixedly connected with the connector 4, and the second rod body 16 is fixedly connected with the handle 14. The sampling rod is arranged into a component structure, so that the integral length of the submarine sediment sampling device can be effectively shortened after the sampling rod is disassembled, and the device is convenient to carry. In some other embodiments, the sampling rod further comprises an extension rod detachably connected between the first rod 15 and the second rod 16. The connecting ring 13 for connecting the ropes is arranged at the end part of the connecting rod 6, and the extension rod is arranged, when the device is used, the ropes are connected to the connecting ring 13, and the extension rod is additionally arranged between the first rod body 15 and the second rod body 16, so that a deep seabed area can be sampled.

Specifically, as shown in fig. 3, in this embodiment, a first connecting portion 17 is integrally disposed at one end of the first rod 15 away from the connector 4, a second connecting portion 18 is disposed at one end of the second rod 16 away from the handle 14, the first connecting portion 17 and the second connecting portion 18 are in a semi-cylindrical structure that are disposed oppositely and matched with each other, the first connecting portion 17 and the second connecting portion 18 are combined to form a cylindrical structure, a protruding column 19 is integrally disposed at one side of the first connecting portion 17 close to the second connecting portion 18, and a through slot for accommodating the protruding column 19 is formed in the second connecting portion 18. When the first connecting portion 17 and the second connecting portion 18 are combined to form a cylindrical structure, the protruding column 19 is inserted into the through groove. The first body of rod 15 is close to the one end lateral wall of first connecting portion 17 an organic whole and is provided with cylindricality protruding 20, and the activity cover is equipped with sleeve 21 on the second body of rod 16, and the locking groove has been seted up to sleeve 21 one side that is close to first body of rod 15, and cylindricality protruding 20 slides into the locking groove inboard to be connected first body of rod 15 and second body of rod 16. In other embodiments, the two ends of the extension rod are provided with connection structures adapted to the first rod 15 and the second rod 16, so as to facilitate connection between the first rod 15, the extension rod and the second rod 16.

The working principle of the submarine sediment sampling device in the embodiment is as follows:

when the inflatable tube is used, the sampling tube 1 is rotationally connected with the connector 4, the handle 12 is pushed to move the piston 5 to the end, far away from the connector 4, of the sampling tube 1 and located on the inner side of the air bag 2, the first rod body 15 is connected with the second rod body 16, and the end, far away from the air bag 2, of the inflatable tube 3 is connected with the first inflation connector, so that the inflatable tube 3 is connected with inflation equipment. Then hold sampling tube 1 and sampling rod, insert sampling tube 1 in the sea water, after the one end that sampling tube 1 kept away from connector 4 contacted with submarine sediment, a handheld handle 12 keeps the head 12 high unchanged, i.e. piston 5 high unchanged, the other hand pushes down handle 14 to sample sampling tube 1 down, after the sample finishes, open air valve 7, observe manometer 8 to a certain numerical value, after showing gasbag 2 inflation to shutoff sampling tube 1, close air valve 7, because be connected with the check valve on the air tube 3, gasbag 2 can maintain the inflation state, upwards mention sampling device this moment, the sample can not run off from sampling tube 1.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A submarine sediment sampling device, which is characterized by comprising a sampling tube (1) and a sampling main body;

the sampling tube (1) is hollow, two ends of the sampling tube are open, an air bag (2) with a through hole is arranged in one end of the sampling tube (1) around the inner wall of the sampling tube, an air inflation tube (3) connected with the air bag (2) is arranged in the tube wall of the sampling tube (1), and one end, away from the air bag (2), of the air inflation tube (3) penetrates out from one end, away from the air bag (2), of the sampling tube (1);

the sampling main body comprises a connector (4) detachably connected with the sampling tube (1), a piston (5) arranged in the sampling tube (1) and a connecting rod (6) penetrating through the connector (4) and connected with the piston (5), the connecting rod (6) is in sliding connection with the connector (4), and the connector (4) is provided with a water permeable hole.

2. The seabed sediment sampling device according to claim 1, further comprising an inflation mechanism, wherein an air outlet of the inflation mechanism is provided with an inflation valve (7) and a first inflation connector, one end of the inflation tube (3) away from the air bag (2) is detachably connected with the inflation mechanism through the first inflation connector, and one side of the inflation valve (7) away from the inflation mechanism is provided with a pressure gauge (8).

3. The seabed sediment sampling device according to claim 2, wherein two gas-filled tubes (3) are symmetrically arranged in the tube wall of the sampling tube (1), and the gas-filled valve (7) is a three-way valve.

4. A seabed sediment sampling device as claimed in claim 3, further comprising an extension tube (9), wherein one end of the extension tube (9) is provided with a second inflation connector (10), and two ends of the extension tube (9) are detachably connected with the inflation mechanism and the inflation tube (3) through the first inflation connector and the second inflation connector (10), respectively.

5. A seabed sediment sampling device as claimed in any of claims 2 to 4, wherein the inflation means comprises an inflation apparatus and a carrying apparatus (11), the inflation apparatus being connected to the carrying apparatus (11), the carrying apparatus (11) being adapted for a user to carry on his/her body.

6. A device for sampling seabed sediment according to claim 1, wherein the connecting rod (6) is provided with a handle (12) at a position near the end of the connecting head (4) at a side remote from the sampling tube (1), and the end is provided with a connecting ring (13) for connecting a rope.

7. The seabed sediment sampling device according to claim 1, wherein the side of the connector (4) away from the sampling tube (1) is provided with a sampling rod, and the end of the sampling rod away from the connector (4) is provided with a handle (14).

8. The device for sampling submarine sediment according to claim 7, wherein the sampling rod comprises a first rod body (15) and a second rod body (16), the first rod body (15) is detachably connected with the second rod body (16), the first rod body (15) is fixedly connected with the connector (4), and the second rod body (16) is fixedly connected with the handle (14).

9. The seabed sediment sampling device as claimed in claim 8, wherein the sampling rod further comprises an extension rod detachably connected between the first rod (15) and the second rod (16).

10. A seabed sediment sampling device as claimed in claim 1, wherein the end of the inflation tube (3) remote from the balloon (2) is provided with a one-way valve.