CN220018967U

CN220018967U - Seabed surface soil sampler and sampling device

Info

Publication number: CN220018967U
Application number: CN202320616197.6U
Authority: CN
Inventors: 李耀华; 张延奎; 高俊斌; 周颖; 文进骞; 郑建东
Original assignee: Cccc Guanghang Dredging Co ltd; CCCC Guangzhou Dredging Co Ltd.
Current assignee: Cccc Guanghang Dredging Co ltd; CCCC Guangzhou Dredging Co Ltd.
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-11-14
Anticipated expiration: 2033-03-27

Abstract

The utility model provides a submarine surface soil sampler and a sampling device, comprising a barrel, an inlet part arranged at one end of the barrel and a sealing part arranged at the other end of the barrel, wherein a hanging ring is arranged on the side wall of the barrel at the periphery of the inlet part, a liquid discharging mechanism for discharging liquid in the barrel is arranged at the sealing part, the inlet part of the barrel is round, the sealing part is elliptical, and the barrel structure shows a flat expansion trend from the inlet part to the sealing part.

Description

Seabed surface soil sampler and sampling device

Technical Field

The utility model relates to the technical field of seabed surface soil sampling, in particular to a seabed surface soil sampler and a sampling device.

Background

In dredging and hydraulic filling engineering, dredged object sampling is an essential link for environmental assessment of the dredging engineering. The detection mechanism classifies the dredged objects according to the dredged object ocean dumping classification standard and evaluation program by analyzing the chemical components of the dredged object samples, and determines the disposal mode of the dredged objects. In general, dredged material sampling requires the taking of surface soil over a dredging range, with sampling locations evenly distributed over the dredging range.

At present, when collecting submarine surface sediment, the commonly used surface sampler mainly comprises a clam type sampler and a trawl type sampler. The clam type sampler is a pair of mutually meshed steel flaps, and is connected by a hinge, is tied on a steel cable and is opened to the seabed to cut into bottom soil (0.3-0.4 m), and samples are collected by closing the two flaps during extraction; trawl sampler is mainly used for gathering ocean urgent eyes, gravel, coarse chip and biological sample, and mussel type sampler and trawl sampler face following problems when taking a sample often: the sampling amount is small, and the amount required by the test can be obtained only by extracting for a plurality of times; when the collected seabed surface soil is hard clay and dense sand, the sampling is difficult, the bin is easy to empty, and the sample cannot be collected; meanwhile, the sampling work of the surface soil of the seabed is very difficult and difficult to develop due to the influence of the sea conditions of the collected deep waves of the ground; in addition, trawl type sampler still has the inaccurate problem in sampling position.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a seabed surface soil sampler capable of completing seabed surface soil sampling work with high accuracy, high quality and high efficiency, improving marine environment monitoring and detection quality, guaranteeing sampling sample quality and improving economic efficiency of seabed surface sampling, which comprises the following specific technical scheme:

the submarine surface soil sampler comprises a barrel, an inlet part arranged at one end of the barrel and a sealing part arranged at the other end of the barrel, wherein a hanging ring is arranged on the side wall of the barrel at the periphery of the inlet part, and a liquid draining mechanism for draining liquid entering the barrel is arranged on the sealing part.

Preferably, the inlet part of the cylinder body is circular, the sealing part is elliptical, and the cylinder body structure is in a flat expansion trend from the inlet part to the sealing part.

Preferably, the hanging ring comprises a main pull ring arranged on the outer wall of the cylinder body and auxiliary pull rings symmetrically arranged on the cylinder body along the inlet part.

Preferably, the drain mechanism includes a drain hole provided at the bottom of the sealing portion, and a screw for blocking the drain hole.

Preferably, the liquid draining mechanism comprises a liquid draining plate arranged at the bottom of the cylinder body, an elastic piece arranged between the liquid draining plate and the sealing part and a liquid draining assembly for draining liquid out of the cylinder body.

Preferably, the liquid draining plate is provided with a plurality of through holes for liquid to flow to the sealing part, a gap is arranged between the liquid draining plate and the sealing part, and the periphery of the liquid draining plate is attached to the inner wall of the bottom end of the cylinder body.

Preferably, the drain assembly comprises a plurality of drain holes formed in the sealing portion and a conducting column capable of conducting the drain holes when the drain plate moves downwards.

Preferably, the conducting column comprises an upper conical column fixedly connected with the liquid draining plate, a connecting column arranged at one end of the upper conical column far away from the liquid draining plate and penetrating through the leak hole, and a lower conical column arranged at one end of the connecting column far away from the upper conical column, wherein the lower conical column is driven to be separated from the bottom of the sealing part when the liquid draining plate moves downwards so as to realize the conduction of the leak hole, and the leak hole is closed when the upper conical column moves to be attached to the top of the sealing part.

Preferably, the size of the connecting column is smaller than the size of the leak hole, and the maximum outer diameters of the upper tapered column and the lower tapered column are larger than the size of the leak hole.

The submarine surface soil sampling device comprises the submarine surface sampler and a retraction mechanism for retracting the sampler, wherein the retraction mechanism comprises a frame, a winding drum rotatably arranged on the frame, driving wheels arranged at two ends of the winding drum, and an anchor rope with one end wound on the winding drum and the other end connected with the submarine surface sampler.

According to the technical scheme, the utility model has the following beneficial effects:

1. according to the utility model, an external retraction device is connected with the lifting ring, the seabed surface soil sampler is placed at a position to be sampled, seabed surface soil enters the cylinder body through the inlet part, seawater is discharged through the liquid discharging mechanism on the sealing part, so that the sampling amount of the sampler is increased, after sampling is finished, the sampler is taken out through the lifting ring, and the problems of difficult sampling, low sampling efficiency and the like in the conventional seabed surface sampler work are solved.

2. In the utility model, the liquid discharging mechanism is arranged into two structures, and can not only adopt the form of matching the liquid discharging holes with the screws, but also adopt the form of matching the liquid discharging plate, the elastic piece and the liquid discharging component, when the liquid discharging mechanism adopts the liquid discharging plate, the elastic piece and the liquid discharging component, seawater can be efficiently discharged to the sealing part when the sampling amount is too large, and the seawater can be discharged out of the cylinder body through the sealing part, so that the working efficiency can be improved, and the influence on the sampling efficiency due to too large seawater discharge amount can be avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom angle of FIG. 1;

FIG. 3 is a schematic view of a drainage mechanism according to the present utility model;

FIG. 4 is a schematic view of another drainage mechanism according to the present utility model;

FIG. 5 is an exploded view of another drainage mechanism provided by the present utility model;

FIG. 6 is a schematic diagram of a conductive column;

FIG. 7 is a schematic diagram of a sampling device according to the present utility model;

FIG. 8 is a schematic view of the other view of FIG. 7;

fig. 9 is a schematic diagram of the utility model in combination with a ship for sampling.

In the figure: 10. a cylinder; 110. an inlet portion; 120. a sealing part; 20. a hanging ring; 30. a liquid discharge mechanism; 310. a liquid discharge hole; 320. a screw; 330. a liquid discharge plate; 331. a through hole; 340. an elastic member; 351. a leak hole; 360. a conductive column; 361. an upper tapered column; 362. a connecting column; 363. a lower tapered column; 40. a frame; 50. a winding drum; 60. and (3) driving wheels.

Detailed Description

The present utility model will be described in detail below with reference to the drawings and detailed embodiments, and before the technical solutions of the embodiments of the present utility model are described in detail, the terms and terms involved will be explained, and in the present specification, the components with the same names or the same reference numerals represent similar or identical structures, and are only limited for illustrative purposes.

Example 1:

referring to fig. 1, 2 and 3, a seafloor surface soil sampler comprises a barrel 10, an inlet 110 and a sealing part 120, wherein the inlet 110 is arranged at one end of the barrel 10, the sealing part 120 is arranged at the other end of the barrel 10, and therefore, a cylindrical structure with one end open and the other end sealed is formed by the inlet 110, the barrel 10 and the sealing part 120, meanwhile, a lifting ring 20 is arranged on the side wall of the barrel 10 at the periphery of the inlet 110, and a liquid discharging mechanism 30 for discharging liquid entering the barrel 10 is arranged at the sealing part 120.

The inlet 110 has a scoop structure extending into the barrel 10, so that sampling of the seabed surface soil is facilitated when the sampler is towed.

In a preferred embodiment of the present utility model, the inlet 110 of the cylinder 10 is circular, the sealing portion 120 is elliptical, and the structure of the cylinder 10 is flattened from the inlet 110 to the sealing portion 120, that is, the cylinder 10 gradually tapers from the circular structure of the inlet 110 to the elliptical shape of the sealing portion 120, so that the sampling amount of the sampler of the cylinder 10 can be increased.

Further, the hanging ring 20 comprises a main pull ring arranged on the outer wall of the barrel 10 and auxiliary pull rings symmetrically arranged on the barrel 10 along the inlet part 110, specifically, the main pull ring and the auxiliary pull rings can be connected with the barrel 10 in a welding mode, the main pull ring is used for tying and paying off an anchor rope of the sampler, and the auxiliary pull rings are used for assisting in pulling when the sampler discharges water.

As a preferred technical solution of the present utility model, the drain mechanism 30 includes a drain hole 310 disposed at the bottom of the sealing portion 120 and a screw 320 for plugging the drain hole 310, specifically, the drain hole may be a threaded hole formed by tapping, for draining seawater in the sampler during the towing process of the sampler, so as to increase the sampling amount of the sampler, and the screw 320 may be matched with the drain hole 310 to serve as a choke plug, so as to achieve the purpose of adjusting the drainage amount.

Example 2:

referring to fig. 4 and 5, the drain mechanism 30 may be configured as a drain plate 330 disposed at the bottom of the cylinder 10, an elastic member 340 disposed between the drain plate 330 and the bottom of the sealing portion 120, and a drain assembly for draining the liquid from the cylinder 10, wherein the elastic member 340 is a spring, a plurality of through holes 331 for flowing the liquid to the sealing portion 120 are formed in the drain plate 330, and a gap is formed between the drain plate 330 and the sealing portion 120, when the seabed surface soil does not enter the inside of the cylinder 10, the periphery of the drain plate 330 is attached to the inner wall of the bottom end of the cylinder 10, so that after the seabed surface soil and the sea water enter the cylinder 10 together, the sea water enters the gap through the through holes 331 first, and as the sampling amount increases, the sample drives the drain plate 330 to move downward, the elastic member 340 is compressed, so that the drain plate 330 is separated from the side wall of the cylinder 10, a gap is left between the drain plate 330 and the side wall of the cylinder 10, the seabed surface soil and the sea water enter the gap through the gap, and the seabed surface soil and the sea water enter the gap further drain assembly to drain the cylinder 10.

Further, in order to effectively attach the drain plate 330 to the sidewall of the cylinder 10, the periphery of the drain plate 330 is provided with an outwardly extending chamfer portion, and an inclined surface attached to the chamfer portion is provided on the inner wall of the cylinder 10, so that sealing is achieved when the drain plate 330 is attached to the inner wall of the cylinder 10, and when the drain plate 330 is separated from the inner wall of the cylinder 10 to generate a gap, seawater enters the gap through the gap.

Referring to fig. 6, the drain assembly includes a plurality of drain holes 351 formed in the sealing portion 120 and a conducting column 360 capable of conducting the drain holes 351 when the drain plate 330 moves down, specifically, the conducting column 360 includes an upper tapered column 361 fixedly connected with the drain plate 330, a connecting column 362 disposed at one end of the upper tapered column 361 far away from the drain plate 330, and a lower tapered column 363 disposed at one end of the connecting column 362 far away from the upper tapered column 361, when the sample is not taken into the cylinder 10, the drain plate 330 at this time is attached to the inner wall of the cylinder 10, a gap is left between the upper tapered column 361 and the top of the sealing portion 120, the lower tapered column 363 is attached to the bottom of the sealing portion 120, the sample liquid at this time can flow to the drain holes 351 via the drain holes, and the bottom of the drain holes 351 is non-conducting, as the amount of the sample liquid entering the cylinder 10 increases, the sample liquid drives the drain plate 330 to compress the elastic member 340 downwards, the seabed soil and the seawater can enter the gap through the gap, and the drain plate 330 can drive the lower tapered column 363 to separate from the sealing portion 120 at the same time when the drain the sample is to be taken into the cylinder 10, the drain plate 351 can be more effectively and the drain holes 351 through the gap, and the drain holes 351 can be more than the drain holes 351 through the drain holes 120, and the drain holes can be more than the drain down through the drain holes 351.

Further, the size of the connection post 362 is smaller than the size of the leakage hole 351, so that it is ensured that the seawater introduced into the gap is discharged out of the cylinder 10 through the gap between the connection post 362 and the leakage hole 351, and the maximum outer diameters of the upper tapered post 361 and the lower tapered post 363 are larger than the size of the leakage hole 351, thus ensuring the blocking effect of the upper tapered post 361 and the lower tapered post 363 on the leakage hole.

The utility model also provides a seabed surface soil sampling device, referring to fig. 7 and 8, comprising the seabed surface soil sampler, and further comprising a retraction mechanism for retracting the sampler, wherein the retraction mechanism comprises a frame 40, a winding drum 50 rotatably arranged on the frame 40, driving wheels 60 arranged at two ends of the winding drum 50, and anchor ropes with one ends wound on the winding drum 50 and the other ends connected with the seabed surface soil sampler, so that the winding drum 50 is rotated by rotating the driving wheels 60 to retract the anchor ropes on the winding drum 50, thereby realizing retraction of the sampler so as to meet the purpose of sampling seabed surface soil.

The seabed surface soil sampling device of the utility model is matched with a ship, and when the seabed surface soil sampling device is used, as shown in fig. 9, the anchor of the ship is removed, and the sampler is connected with the anchor rope. And after the ship is in place, loosening the anchor winch, enabling the sampler to vertically land on the bottom, and recording coordinates. And backing the ship at a slow speed, and simultaneously loosening the anchor rope to 3-5 times of the water depth, and suddenly stopping the anchor rope. And when the anchor ropes are all tightened, starting the ship to run forwards, and simultaneously, collecting the anchor ropes by using an anchor machine until the sampler is recovered to the deck surface. The weight of the sampler can ensure that the sampler can not float upwards, and the shovel port structure at the lower end of the inlet part 110 is more convenient for sludge sampling; seawater entering the sampler flows out through the liquid discharging mechanism 30 at the bottom end of the sealing part 120; the auxiliary pull rings on the left and right sides of the sampler inlet 110 are designed to assist the surrounding person in lifting when the sampler is out of water.

The above-described embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.

Claims

1. The submarine surface soil sampler is characterized by comprising a barrel body (10), an inlet part (110) arranged at one end of the barrel body (10) and a sealing part (120) arranged at the other end of the barrel body (10), wherein a hanging ring (20) is arranged on the side wall of the barrel body (10) at the periphery of the inlet part (110), and a liquid draining mechanism (30) for draining liquid entering the barrel body (10) is arranged on the sealing part (120).

2. The seafloor surface soil sampler of claim 1, wherein the inlet portion (110) of the barrel (10) is circular and the sealing portion (120) is elliptical, and wherein the barrel (10) structure presents a tendency to expand flat from the inlet portion (110) to the sealing portion (120).

3. The seafloor surface soil sampler of claim 1, wherein the lifting ring (20) comprises a main lifting ring arranged on the outer wall of the barrel (10) and auxiliary lifting rings symmetrically arranged on the barrel (10) along the inlet portion (110).

4. A seafloor surface soil sampler according to claim 2 or 3, characterized in that the drain mechanism (30) comprises a drain hole (310) provided at the bottom of the sealing part (120) and a screw (320) for plugging the drain hole (310).

5. A seafloor surface soil sampler according to claim 2 or 3, characterized in that the drain mechanism (30) comprises a drain plate (330) arranged at the bottom of the barrel (10), an elastic member (340) arranged between the drain plate (330) and the sealing part (120), and a drain assembly for liquid to drain out of the barrel (10).

6. The seabed surface soil sampler as claimed in claim 5, wherein a plurality of through holes (331) for flowing the liquid to the sealing part (120) are formed in the liquid draining plate (330), gaps are formed between the liquid draining plate (330) and the sealing part (120), and the periphery of the liquid draining plate (330) is attached to the inner wall of the bottom end of the cylinder (10).

7. The seafloor surface soil sampler of claim 5, wherein the drain assembly comprises a plurality of drain holes (351) formed in the sealing portion (120) and a conducting column (360) capable of conducting the drain holes (351) when the drain plate (330) moves down.

8. The seafloor surface soil sampler of claim 7, wherein the conducting column (360) comprises an upper conical column (361) fixedly connected with the drain plate (330), a connecting column (362) arranged at one end of the upper conical column (361) far away from the drain plate (330) and penetrating through the drain hole (351), and a lower conical column (363) arranged at one end of the connecting column (362) far away from the upper conical column (361), wherein the lower conical column (363) is driven to be separated from the bottom of the sealing part (120) when the drain plate (330) moves downwards so as to realize the conduction of the drain hole (351), and the drain hole (351) is realized when the upper conical column (361) moves to be attached to the top of the sealing part (120).

9. The seafloor surface soil sampler of claim 8, wherein the connecting column (362) has a size smaller than the size of the leak (351), and the maximum outer diameters of the upper tapered column (361) and the lower tapered column (363) are larger than the size of the leak (351).

10. A seafloor surface soil sampling device comprising a seafloor surface sampler as claimed in any one of claims 1 to 9 and further comprising a retraction mechanism for retracting the sampler, the retraction mechanism comprising a frame (40), a winding drum (50) rotatably mounted on the frame (40), drive wheels (60) mounted on both ends of the winding drum (50) and an anchor line having one end wound on the winding drum (50) and the other end connected to the seafloor surface sampler.