Columnar sediment sampler with detection function

Abstract

The invention relates to a seabed sediment sampler, in particular to a columnar sediment sampler with a detection function, an electric hydraulic rod is fixedly mounted in a columnar sampler main body, the top end of the columnar sampler main body is connected with a mounting box, and a pressure sensor is fixedly mounted on the outer wall of one side of the mounting box; a first rotating assembly is arranged on the outer wall of the mounting box, an illuminating lamp is connected to the first rotating assembly, a protection box is fixedly connected to the bottom end of the mounting box, a second rotating assembly is arranged at the bottom of the protection box, and a camera is connected to the second rotating assembly. According to the invention, the pressure of the seabed can be measured through the pressure sensor, the reaching depth of the columnar sampler can be calculated through the pressure, and the sampling environment can be shot through the camera, so that the columnar sampler can be used for surveying the sampling place when being used, and a worker can conveniently carry out subsequent data test on the sample.

Description

Technical Field

[0001] The invention relates to a seabed sediment sampler, in particular to a sediment columnar sampler with a detection function. Background Art

[0002] Tools for collecting columnar samples of seabed sediments can be divided into gravity sampling tubes, water jet sampling tubes, shallow drills, vibrating piston samplers, explosive sampling tubes and hydraulic sampling tubes according to the power used. Commonly used ones are gravity sampling tubes or vibrating piston samplers.

[0003] The patent "A Columnar Sampler for Seabed Sediment Exploration" with publication number CN106813940A, which was published on June 9, 2017, includes a sealed container, a sampling tube, and a hydraulic power unit, a hydraulic cylinder, a connecting rod and a ramming block respectively installed in the sealed container. The upper end of the sealed container is a detachable sealed container cover, and the lower end is connected to the sampling tube; the hydraulic cylinder is connected to the hydraulic power unit to provide power for the hydraulic cylinder, and the connecting rod of the hydraulic cylinder is connected to the ramming block. The ramming block is driven by the hydraulic cylinder to reciprocate and rise and fall with the connecting rod to ram the bottom of the sealed container; sealed cabins A and B are respectively provided on the outside of the sealed container, and a power supply is installed in the sealed cabin A, which is connected to the hydraulic power unit to provide power for the motor of the hydraulic power unit. A remote acoustic signal transmitter connected to the ground controller is installed in the sealed cabin B. When used, a columnar sampler of this structure can perform complete low-disturbance sediment columnar geological sampling without destroying the natural soil layer of the ocean; however, the columnar sampler does not have a survey mechanism when in use and cannot survey the sampling location, making it inconvenient for staff to conduct subsequent data tests on the samples. Summary of the Invention

[0004] Aiming at the problem that the existing sediment column sampler cannot survey the sampling location during sampling, the object of the present invention is to provide a sediment column sampler with a detection function.

[0005] The object of the present invention is achieved through the following technical solutions:

[0006] The application comprises a columnar sampler body, the lower part of which is connected with a base, and the upper part of which is connected with a mounting box; the columnar sampler body is a hollow structure with an open lower end, and is provided with an electric hydraulic rod inside, the upper end of which is fixedly connected with the columnar sampler body, and the lower end of which is connected with a sampling head, the top of which is provided with a fitting plate, which is embedded inside the lower end of the columnar sampler body in the initial state and after sampling; the outer side of the mounting box is provided with a first rotating component, which comprises a first fixed part and a first rotating part, the first fixed part is fixedly connected to the outer side of the mounting box, one end of the first rotating part is relatively rotatably connected with the first fixed part and is relatively fixed after being rotated in place, and the other end of the first rotating part is provided with an illuminating lamp; the lower surface of the mounting box is provided with a servo motor, the lower side of the servo motor is provided with a second rotating component, which comprises a second fixed part and a second rotating part, the second fixed part is connected with the output shaft of the servo motor, one end of the second rotating part is relatively rotatably connected with the second fixed part and is relatively fixed after being rotated in place, and the other end of the second rotating part is provided with a camera; the outer side of the mounting box is also provided with a pressure sensor.

[0007] The bottom of the base is annular, the top is provided with a first connecting sleeve, the first connecting sleeve and the annular bottom are connected by a plurality of connecting ribs A, and the first connecting sleeve is provided with a first fixing bolt; the lower part of the columnar sampler body is relatively movably inserted into the first connecting sleeve and is tightly fixed in place by the first fixing bolt after being moved in place.

[0008] The bottom of the base is annular, the top is provided with a first connecting sleeve, the first connecting sleeve and the annular bottom are connected by a plurality of connecting ribs A, and the first connecting sleeve is provided with a first fixing bolt; the lower part of the columnar sampler body is relatively movably inserted into the first connecting sleeve and is tightly fixed in place by the first fixing bolt after being moved in place.

[0009] The mounting box is provided with a second connecting sleeve, and the second connecting sleeve is provided with a second fixing bolt; the upper part of the columnar sampler body is relatively movably inserted into the second connecting sleeve and is tightly fixed in place by the second fixing bolt after being moved in place.

[0010] The inner part of the mounting box is respectively provided with a storage battery and a data storage unit, the data storage unit is located on one side of the storage battery, the outer side of the mounting box is also provided with a remote controller, the electric hydraulic rod and the servo motor are respectively connected with the remote controller, the pressure sensor and the camera are respectively connected with the data storage unit, and the remote controller, the data storage unit, the illuminating lamp, the electric hydraulic rod and the servo motor are respectively connected with the storage battery.

[0011] The first fixed part is a first U-shaped frame, the first rotating part is a first rotating block, the U-shaped bottom of the first U-shaped frame is fixed to the outer side of the installation box, one end of the first rotating block is rotatably connected to the U-shaped open end of the first U-shaped frame and fixed in position by a first fastening bolt, and the other end of the first rotating block is fixed to a lighting lamp.

[0012] The first fixed part is a first U-shaped frame, and the first rotating part is a first rotating block. The U-shaped bottom of the first U-shaped frame is fixedly connected to the outer side of the mounting box. Both sides of one end of the first rotating block are rotatably connected to the U-shaped open end of the first U-shaped frame through a pin shaft. An underwater motor is fixedly connected to either side of the first U-shaped frame, and the output end of the underwater motor is connected to the pin shaft on either side. The other end of the first rotating block is fixedly connected to a lighting lamp.

[0013] The second fixed part is a second U-shaped frame, the second rotating part is a second rotating block, the U-shaped bottom of the second U-shaped frame is connected to the output shaft of the servo motor, one end of the second rotating block is rotatably connected to the U-shaped open end of the second U-shaped frame and fixed in position by a second fastening bolt, and the other end of the second rotating block is fixed with a camera.

[0014] The second fixed part is a second U-shaped frame, the second rotating part is a second rotating block, the U-shaped bottom of the second U-shaped frame is connected to the output shaft of the servo motor, both sides of one end of the second rotating block are rotatably connected to the U-shaped open end of the second U-shaped frame through a pin shaft, an underwater motor is fixedly connected to either side of the second U-shaped frame, the output end of the underwater motor is connected to the pin shaft on either side, and the other end of the second rotating block is fixedly connected to a camera.

[0015] The advantages and positive effects of the present invention are:

[0016] 1. The present invention can measure the pressure of the seabed through a pressure sensor, calculate the depth reached by the columnar sampler body through the pressure, and photograph the sampling environment through a camera, so that the sampling location can be surveyed when the columnar sampler is in use, making it convenient for staff to conduct subsequent data tests on the samples.

[0017] 2. The present invention is implemented by engaging the first connecting sleeve in the outer wall of the columnar sampler body, and then rotating the first fixing bolt so that the first fixing bolt abuts against the outer wall of the columnar sampler body, thereby ensuring the stability of the base and making it convenient for the staff to disassemble the base; the second connecting sleeve is engaged in the outer wall of the columnar sampler body, and then rotating the second fixing bolt so that the second fixing bolt abuts against the outer wall of the columnar sampler body, thereby ensuring the stability of the installation box and making it convenient for the staff to disassemble the installation box and install and disassemble the columnar sampler body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the base and the counterweight block of the present invention;

[0021] Figure 4 Schematic diagram of the internal structure of the columnar sampler body of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of the installation box of the present invention;

[0023] Among them: 1 is the columnar sampler body, 2 is the electric hydraulic rod, 3 is the sampling head, 4 is the interlocking plate, 5 is the base, 6 is the first connecting sleeve, 7 is the first fixing bolt, 8 is the counterweight block, 9 is the installation box, 10 is the second connecting sleeve, 11 is the second fixing bolt, 12 is the battery, 13 is the remote controller, 14 is the pressure sensor, 15 is the first fastening bolt, 16 is the first U-shaped frame, 17 is the first rotating block, 18 is the lighting lamp, 19 is the protective box, 20 is the servo motor, 21 is the second U-shaped frame, 22 is the second rotating block, 23 is the second fastening bolt, 24 is the camera, 25 is the data storage unit, 26 is the connecting rib A, and 27 is the connecting rib B. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 4As shown, the present invention includes a columnar sampler body 1, the lower part of the columnar sampler body 1 is connected to a base 5, and the upper part of the columnar sampler body 1 is connected to the mounting box 9; the columnar sampler body 1 is a hollow structure with an open lower end, an electric hydraulic rod 2 is provided in the columnar sampler body 1, the upper end of the electric hydraulic rod 2 is fixed to the columnar sampler body 1, the lower end of the electric hydraulic rod 2 is connected to a sampling head 3, and a mosaic plate 4 is installed on the top of the sampling head 3, and the mosaic plate 4 is embedded in the lower end of the columnar sampler body 1 in the initial state and after sampling; the outer side of the mounting box 9 is provided with a first rotating assembly, the first rotating assembly includes a first fixed part and a first rotating part, the first fixed part Fixedly connected to the outer surface of the mounting box 9, one end of the first rotating part is connected to the first fixed part in a relatively rotatable manner and remains relatively fixed after rotating into place, and a lighting lamp 18 is installed at the other end of the first rotating part; a servo motor 20 is provided on the lower surface of the mounting box 9, and a second rotating assembly is provided below the servo motor 20, and the second rotating assembly includes a second fixed part and a second rotating part, and the second fixed part is connected to the output shaft of the servo motor 20, one end of the second rotating part is connected to the second fixed part in a relatively rotatable manner and remains relatively fixed after rotating into place, and a camera 24 is installed at the other end of the second rotating part; a pressure sensor 14 is also installed on the outer surface of the mounting box 9.

[0026] The columnar sampler body 1 of this embodiment is a hollow cylinder with a closed upper end and an open lower end. The sampling head 3 is conical. The interlocking plate 4 is an annular structure with a closed lower end. The interlocking plate 4 and the columnar sampler body 1 are overfitted.

[0027] In this embodiment, the base 5 has a circular bottom and a circular first connecting sleeve 6 on top. The first connecting sleeve 6 is connected to the circular bottom by multiple connecting ribs A26. A first fixing bolt 7 is provided on the first connecting sleeve 6. The lower portion of the columnar sampler body 1 is relatively movably inserted into the first connecting sleeve 6. Once in place, it is pressed against the outer wall of the columnar sampler body 1 via the first fixing bolt 7, thereby firmly securing the columnar sampler body 1 in place.

[0028] In this embodiment, a counterweight block 8 is provided on the periphery of the bottom of the base 5. The counterweight block 8 is annular and connected to the bottom of the base 5 through multiple connecting ribs B27.

[0029] When the electric hydraulic rod 2 is in operation, it can drive the sampling head 3 to repeatedly press down, and the sediment on the seabed can be sampled through the sampling head 3; after the sampling is completed, the electric hydraulic rod 2 drives the sampling head 3 to rise, so that the interlocking plate 4 is interlocked with the inner side of the lower end of the columnar sampler body 1, thereby preventing the sample from leaking out after the columnar sampler body 1 samples. The columnar sampler body 1 can be supported by the base 5, and the weight of the base 5 can be increased by the counterweight block 8. When the columnar sampler body 1 is lowered to the seabed, the columnar sampler body 1 is kept in an upright state to prevent the columnar sampler body 1 from tipping over, thereby causing the columnar sampler body 1 to be unable to be used normally. The first connecting sleeve 6 is interlocked with the outer wall of the columnar sampler body 1, and then the first fixing bolt 7 is rotated so that the first fixing bolt 7 is against the outer wall of the columnar sampler body 1, thereby ensuring the stability of the base 5 and making it convenient for the staff to remove the base 5.

[0030] The mounting box 9 of this embodiment is disc-shaped, with a second annular connecting sleeve 10 disposed in the middle of the mounting box 9. The bottom surface of the second connecting sleeve 10 is coplanar with the bottom surface of the mounting box 9, and the top surface of the second connecting sleeve 10 is higher than the top surface of the mounting box 9. A second fixing bolt 11 is mounted on the side of the second connecting sleeve 10 that is higher than the mounting box 9. The upper portion of the columnar sampler body 1 is relatively movably inserted into the second connecting sleeve 10. After moving into position, it is tightened against the outer wall of the columnar sampler body 1 by the second fixing bolt 11, thereby firmly fixing the columnar sampler body 1 in place.

[0031] In this embodiment, a battery 12 and a data storage unit 25 are respectively provided inside the installation box 9, and the data storage unit 25 is located on one side of the battery 12; a remote controller 13 is also installed on the outer surface of the installation box 9, and the remote controller 13 and the pressure sensor 14 are symmetrically arranged on both sides of the installation box 9; the electric hydraulic rod 2 and the servo motor 20 are respectively connected to the remote controller 13, and the operation of the electric hydraulic rod 2 and the servo motor 20 can be remotely controlled by the remote controller 13; the pressure sensor 14 and the camera 24 are respectively connected to the data storage unit 25, and the pressure of the seabed can be measured by the pressure sensor 14, and the depth reached by the columnar sampler can be calculated from the pressure. The data detected by the pressure sensor 14 can be stored in the data storage unit 25; the remote controller 13, the data storage unit 25, the lighting lamp 18, the electric hydraulic rod 2 and the servo motor 20 are respectively connected to the battery 12 and powered by the battery 12.

[0032] The installation box 9 can provide an installation position for the battery 12 and the data storage unit 25. The second connecting sleeve 10 is embedded in the outer wall of the columnar sampler body 1, and then the second fixing bolt 11 is rotated so that the second fixing bolt 11 is against the outer wall of the columnar sampler body 1, thereby ensuring the stability of the installation box 9 and making it convenient for the staff to disassemble the installation box 9.

[0033] Two first rotating assemblies are installed on the outer surface of the mounting box 9 of this embodiment. The two first rotating assemblies are symmetrically arranged on both sides of the mounting box 9 and are arranged in a "cross" shape with the remote controller 13 and the pressure sensor 14. The first fixed part of this embodiment is a first U-shaped frame 16, and the first rotating part is a first rotating block 17. The U-shaped bottom of the first U-shaped frame 16 is fixed to the outer side of the mounting box 9. One end of the first rotating block 17 is rotatably connected to the U-shaped open end of the first U-shaped frame 16 and fixed in place by a first fastening bolt 15. The other end of the first rotating block 17 is fixed to a lighting lamp 18. For the first rotating assembly of this structure, before the columnar sampler is launched into the water, the lighting lamp 18 is adjusted to illuminate vertically downward, and then the first fastening bolt 15 is tightened. During underwater sampling, if the first rotating block 17 is rotated relative to the first U-shaped frame 16 by external force, after the cylindrical sampler is recovered, the first fastening bolt 15 can be unscrewed to adjust the first rotating block 17. Once adjusted, the first fastening bolt 15 can be tightened to ensure the stability of the lighting lamp 18. In this embodiment, the first fastening bolt 15 is fixedly connected to the first rotating block 17. The end of the first fastening bolt 15 that extends through the first U-shaped frame 16 is formed with an external thread. After the first rotating block 17 is adjusted into place, it can be tightened with a nut. Alternatively, the first fixed portion is the first U-shaped frame 16, and the first rotating portion is the first rotating block 17. The U-shaped bottom of the first U-shaped frame 16 is fixed to the outer side of the mounting box 9. Both sides of one end of the first rotating block 17 are rotatably connected to the U-shaped open end of the first U-shaped frame 16 via a pin. An underwater motor is fixed to either side of the first U-shaped frame 16, and the output end of the underwater motor is connected to the pin on either side. The other end of the first rotating block 17 is fixed to the lighting lamp 18. The underwater motor is connected to the remote controller 13 and the battery 12 respectively. This structure of the first rotating assembly allows the remote controller 13 to control the underwater motor according to actual needs during underwater sampling, thereby adjusting the illumination angle of the lighting 18. The lighting 18 can illuminate the shooting area of ​​the camera 24, allowing the camera 24 to shoot normally.

[0034] In this embodiment, a protective box 19 is fixedly connected to the lower surface of the installation box 9 . The servo motor 20 is installed in the protective box 19 . The output shaft of the servo motor 20 passes through the protective box 19 and is fixedly connected to the second U-shaped frame 21 .

[0035] The second fixed part of this embodiment is a second U-shaped frame 21, and the second rotating part is a second rotating block 22. The U-shaped bottom of the second U-shaped frame 21 is connected to the output shaft of the servo motor 20. One end of the second rotating block 22 is rotatably connected to the U-shaped open end of the second U-shaped frame 21 and is fixed in position by a second fastening bolt 23. The other end of the second rotating block 22 is fixedly connected to a camera 24. With this structure of the second rotating assembly, before the cylindrical sampler is launched into the water, the camera 24 is adjusted to face vertically downward, and then the second fastening bolt 23 is tightened. During the underwater sampling process, if the second rotating block 22 is rotated relative to the second U-shaped frame 21 by external force, after the cylindrical sampler is recovered, the second fastening bolt 23 can be unscrewed to adjust the second rotating block 22. After the adjustment is in place, the second fastening bolt 23 is tightened to ensure the stability of the camera 24. In this embodiment, the second fastening bolt 23 is fixedly connected to the second rotating block 22. The end of the second fastening bolt 23 extending from the second U-shaped frame 21 is externally threaded. After the second rotating block 22 is adjusted into position, it can be tightened with a nut. Alternatively, the second fixed portion is the second U-shaped frame 21, and the second rotating portion is the second rotating block 22. The U-shaped bottom of the second U-shaped frame 21 is connected to the output shaft of the servo motor 20. Both sides of one end of the second rotating block 22 are rotatably connected to the U-shaped open end of the second U-shaped frame 21 via pins. An underwater motor is fixedly connected to either side of the second U-shaped frame 21, and the output end of the underwater motor is connected to the pin on either side. The other end of the second rotating block 22 is fixedly connected to the camera 24. The underwater motor is connected to the remote controller 13 and the battery 12 respectively. The second rotating component of this structure can control the servo motor 20 and the underwater motor separately according to actual needs during the underwater sampling process by the remote controller 13, and then adjust the working angle of the camera 24. The sampling environment can be photographed through the camera 24, and the photographed data can be stored in the data storage unit 25.

[0036] The working principle of the present invention is:

[0037] The battery 12 powers the cylindrical sampler's electrical components, and the remote controller 13 allows for remote control of the cylindrical sampler's operation. The electric hydraulic rod 2 drives the sampling head 3 downward repeatedly, allowing the sampling head 3 to sample the seafloor sediment. After sampling, the electric hydraulic rod 2 drives the sampling head 3 upward, allowing the interlocking plate 4 to engage the inner side of the cylindrical sampler body 1, thereby preventing leakage of the sample collected by the cylindrical sampler body 1. The base 5 supports the cylindrical sampler body 1, and the counterweight 8 increases the weight of the base 5, ensuring that the cylindrical sampler remains upright when lowered to the seafloor. The pressure sensor 14 measures the seafloor pressure, and the depth reached by the cylindrical sampler is calculated based on the pressure. The data detected by the pressure sensor 14 is stored in the data storage unit 25. The camera 24 captures the sampling environment, and the captured data is stored in the data storage unit 25. The lighting lamp 18 can illuminate the shooting area of ​​the camera 24 so that the camera 24 can shoot normally.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and is intended to encompass all variations within the meaning and range of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

Claims

1. A sediment column sampler with a detection function, comprising a column sampler body (1), characterized in that: The lower part of the columnar sampler body (1) is connected to a base (5), and the upper part of the columnar sampler body (1) is connected to the installation box (9); the columnar sampler body (1) is a hollow structure with an opening at the lower end, and an electric hydraulic rod (2) is provided in the columnar sampler body (1), the upper end of the electric hydraulic rod (2) is fixedly connected to the columnar sampler body (1), and the lower end of the electric hydraulic rod (2) is connected to a sampling head (3), and a mosaic plate (4) is installed on the top of the sampling head (3), and the mosaic plate (4) is embedded in the lower end of the columnar sampler body (1) in the initial state and after sampling; the outer side of the installation box (9) is provided with a first rotating component, and the first rotating component includes a first fixed part and a first rotating part, and the first fixed part The first rotating part is fixed on the outer surface of the installation box (9), one end of the first rotating part is connected to the first fixed part in a relatively rotatable manner and remains relatively fixed after being rotated into place, and the other end of the first rotating part is installed with a lighting lamp (18); a servo motor (20) is provided on the lower surface of the installation box (9), and a second rotating assembly is provided below the servo motor (20), the second rotating assembly includes a second fixed part and a second rotating part, the second fixed part is connected to the output shaft of the servo motor (20), one end of the second rotating part is connected to the second fixed part in a relatively rotatable manner and remains relatively fixed after being rotated into place, and a camera (24) is installed on the other end of the second rotating part; a pressure sensor (14) is also installed on the outer surface of the installation box (9).

2. The sediment column sampler with detection function according to claim 1, characterized in that: The bottom of the base (5) is annular, and a first connecting sleeve (6) is provided on the top. The first connecting sleeve (6) is connected to the annular bottom by a plurality of connecting ribs A (26). A first fixing bolt (7) is provided on the first connecting sleeve (6). The lower part of the columnar sampler body (1) can be inserted into the first connecting sleeve (6) in a relatively movable manner, and is fixed in place by the first fixing bolt (7) after being moved into place.

3. The sediment column sampler with detection function according to claim 1, characterized in that: A counterweight (8) is provided on the periphery of the bottom of the base (5); the counterweight (8) is annular and connected to the bottom of the base (5) via a plurality of connecting ribs B (27).

4. The sediment column sampler with detection function according to claim 1, characterized in that: The installation box (9) is provided with a second connecting sleeve (10), and the second connecting sleeve (10) is installed with a second fixing bolt (11); the upper part of the columnar sampler body (1) can be inserted into the second connecting sleeve (10) in a relatively movable manner, and is tightly fixed in place by the second fixing bolt (11) after being moved into place.

5. The sediment column sampler with detection function according to claim 1, characterized in that: The installation box (9) is provided with a battery (12) and a data storage unit (25) inside, respectively. The data storage unit (25) is located on one side of the battery (12). A remote controller (13) is also installed on the outer surface of the installation box (9). The electric hydraulic rod (2) and the servo motor (20) are respectively connected to the remote controller (13). The pressure sensor (14) and the camera (24) are respectively connected to the data storage unit (25). The remote controller (13), the data storage unit (25), the lighting lamp (18), the electric hydraulic rod (2) and the servo motor (20) are respectively connected to the battery (12).

6. The sediment column sampler with detection function according to claim 1, characterized in that: The first fixed portion is a first U-shaped frame (16), and the first rotating portion is a first rotating block (17). The U-shaped bottom of the first U-shaped frame (16) is fixed to the outer side of the installation box (9). One end of the first rotating block (17) is rotatably connected to the U-shaped opening end of the first U-shaped frame (16) and is fixed in position by a first fastening bolt (15). The other end of the first rotating block (17) is fixed to a lighting lamp (18).

7. The sediment column sampler with detection function according to claim 1, characterized in that: The first fixing part is a first U-shaped frame (16), and the first rotating part is a first rotating block (17). The U-shaped bottom of the first U-shaped frame (16) is fixedly connected to the outer side of the installation box (9). Both sides of one end of the first rotating block (17) are rotatably connected to the U-shaped open end of the first U-shaped frame (16) through a pin shaft. An underwater motor is fixedly connected to any one side of the first U-shaped frame (16), and the output end of the underwater motor is connected to the pin shaft on any one side. The other end of the first rotating block (17) is fixedly connected to a lighting lamp (18).

8. The sediment column sampler with detection function according to claim 1, characterized in that: The second fixed portion is a second U-shaped frame (21), the second rotating portion is a second rotating block (22), the U-shaped bottom of the second U-shaped frame (21) is connected to the output shaft of the servo motor (20), one end of the second rotating block (22) is rotatably connected to the U-shaped open end of the second U-shaped frame (21), and is fixed in position by a second fastening bolt (23), and the other end of the second rotating block (22) is fixedly connected to a camera (24).

9. The sediment column sampler with detection function according to claim 1, characterized in that: The second fixed part is a second U-shaped frame (21), the second rotating part is a second rotating block (22), the U-shaped bottom of the second U-shaped frame (21) is connected to the output shaft of the servo motor (20), both sides of one end of the second rotating block (22) are rotatably connected to the U-shaped open end of the second U-shaped frame (21) through a pin shaft, an underwater motor is fixedly connected to either side of the second U-shaped frame (21), the output end of the underwater motor is connected to the pin shaft on either side, and a camera (24) is fixedly connected to the other end of the second rotating block (22).

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