Columnar sediment sampler with detection function

Abstract

The utility model relates to a seabed sediment sampler, in particular to a columnar sediment sampler with a detection function, which is characterized in that 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 utility model, 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 sampling place can be surveyed when the columnar sampler is used, and a worker can conveniently carry out a subsequent data test on the sample.

Description

Technical Field

[0001] The utility model 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 water pressure 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 tamping 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 tamping block. The tamping block is driven by the hydraulic cylinder to reciprocate and rise and fall with the connecting rod to tamp 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, and a remote acoustic signal transmitting device 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. Utility Model Content

[0004] Aiming at the problem that the existing sediment column sampler cannot survey the sampling location during sampling, the utility model aims to provide a sediment column sampler with a detection function.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] The utility model includes a columnar sampler body, the lower part of which is connected to a base, and the upper part of which is connected to a mounting box; the columnar sampler body is a hollow structure with an opening at the lower end, an electric hydraulic rod is arranged inside the columnar sampler body, the upper end of the electric hydraulic rod is fixedly connected to the columnar sampler body, the lower end of the electric hydraulic rod is connected to a sampling head, a fitting plate is arranged on the top of the sampling head, and the fitting plate is embedded in the lower end of the columnar sampler body in an initial state and after sampling; a first rotating assembly is arranged on the outer side of the mounting box, the first rotating assembly includes a first fixing part and a first rotating part, the first fixing part The first rotating part is fixedly connected to the outer side of the installation box, one end of the first rotating part is connected to the first fixed part for relative rotation and remains relatively fixed after rotating into place, and a lighting lamp is installed at the other end of the first rotating part; a servo motor is provided on the lower surface of the installation box, and a second rotating component is provided below the servo motor, the second rotating component includes a second fixed part and a second rotating part, the second fixed part is connected to the output shaft of the servo motor, one end of the second rotating part is connected to the second fixed part for relative rotation and remains relatively fixed after rotating into place, and a camera is installed at the other end of the second rotating part; a pressure sensor is also installed on the outer side of the installation box.

[0007] Among them: the bottom of the base is annular, and a first connecting sleeve is provided on the top; the first connecting sleeve is connected to the annular bottom by a plurality of connecting ribs A, and a first fixing bolt is provided on the first connecting sleeve; the lower part of the columnar sampler body can be relatively movably inserted into the first connecting sleeve, and after moving into position, it is fastened in place by the first fixing bolt.

[0008] A counterweight block is provided on the periphery of the bottom of the base. The counterweight block is in a circular ring shape and is connected to the bottom of the base through a plurality of connecting ribs B.

[0009] The installation box is provided with a second connecting sleeve, and the second connecting sleeve is installed with a second fixing bolt; the upper part of the columnar sampler body can be inserted into the second connecting sleeve in a relatively movable manner, and is fixed in place by the second fixing bolt after being moved into place.

[0010] A battery and a data storage unit are respectively provided inside the installation box, and the data storage unit is located on one side of the battery. A remote controller is also installed on the outer side of the installation box. The electric hydraulic rod and the servo motor are respectively connected to the remote controller, and the pressure sensor and the camera are respectively connected to the data storage unit. The remote controller, the data storage unit, the lighting lamp, the electric hydraulic rod and the servo motor are respectively connected to the 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 fixedly connected to the outer side of the installation box, one end of the first rotating block is rotatably connected to the U-shaped opening 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 fixedly connected to a lighting lamp.

[0012] 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 fixedly connected to the outer side of the installation 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 any one side of the first U-shaped frame, the output end of the underwater motor is connected to the pin shaft on any one side, and 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 opening end of the second U-shaped frame and fixed in place by a second fastening bolt, and the other end of the second rotating block is fixedly connected to 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 any one side of the second U-shaped frame, the output end of the underwater motor is connected to the pin shaft on any one side, and a camera is fixedly connected to the other end of the second rotating block.

[0015] The advantages and positive effects of the utility model are:

[0016] 1. The utility model can measure the pressure of the seabed through the pressure sensor, calculate the depth reached by the columnar sampler body through the pressure, and photograph the sampling environment through the camera, so that the sampling place can be surveyed when the columnar sampler is used, which is convenient for the staff to conduct subsequent data tests on the samples.

[0017] 2. The utility model embeds the first connecting sleeve in the outer wall of the columnar sampler body, and then rotates 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; embeds the second connecting sleeve in the outer wall of the columnar sampler body, and then rotates 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 three-dimensional structural schematic diagram of the utility model;

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

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the base and counterweight block of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the main body of the columnar sampler of the utility model;

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

[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 protection 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 utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 4As shown, the utility model 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 a mounting box 9; the columnar sampler body 1 is a hollow structure with an opening at the lower end, an electric hydraulic rod 2 is arranged inside the columnar sampler body 1, the upper end of the electric hydraulic rod 2 is fixedly connected to the columnar sampler body 1, the lower end of the electric hydraulic rod 2 is connected to a sampling head 3, a fitting plate 4 is installed on the top of the sampling head 3, and the fitting plate 4 is embedded in the lower end of the columnar sampler body 1 in the initial state and after sampling; a first rotating assembly is arranged on the outer side of the mounting box 9, and the first rotating assembly includes a first fixed part and a first rotating part, and the first fixed part The part is fixed to the outer surface of the installation box 9, one end of the first rotating part is connected to the first fixed part for relative rotation and remains relatively fixed after rotating 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 component is provided below the servo motor 20, the second rotating component 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 for relative rotation and remains relatively fixed after rotating 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.

[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] The bottom of the base 5 of this embodiment is annular, and the top is provided with an annular first connecting sleeve 6, the first connecting sleeve 6 is connected to the annular bottom by a plurality of connecting ribs A26, and the first connecting sleeve 6 is provided with a first fixing bolt 7. The lower part of the columnar sampler body 1 can be inserted into the first connecting sleeve 6 in a relatively movable manner, and after being moved into position, it is pressed against the outer wall of the columnar sampler body 1 through the first fixing bolt 7, thereby fixing the columnar sampler body 1 in position.

[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 in a circular ring shape and is connected to the bottom of the base 5 through a plurality of connecting ribs B27.

[0029] When the electric hydraulic rod 2 is in operation, it can drive the sampling head 3 to press down repeatedly, and the sediment on the seabed can be sampled through the sampling head 3; after the sampling is completed, the sampling head 3 is driven to rise by the electric hydraulic rod 2, 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 after the columnar sampler body 1 is sampled from leaking out. 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 ensured to be 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 facilitating the staff to disassemble the base 5.

[0030] The installation box 9 of this embodiment is disc-shaped, and a second annular connecting sleeve 10 is provided in the middle of the installation box 9. The bottom surface of the second connecting sleeve 10 is coplanar with the bottom surface of the installation box 9, and the top surface of the second connecting sleeve 10 is higher than the top surface of the installation box 9. A second fixing bolt 11 is installed on the side of the second connecting sleeve 10 higher than the installation box 9. The upper part of the columnar sampler body 1 can be inserted into the second connecting sleeve 10 in a relatively movable manner, and after moving into position, it is pressed against the outer wall of the columnar sampler body 1 through the second fixing bolt 11, thereby 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, and 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 side of the installation box 9 of this embodiment. The two first rotating assemblies are symmetrically arranged on both sides of the installation 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 the first U-shaped frame 16, and the first rotating part 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 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 fixed in place by the first fastening bolt 15. The other end of the first rotating block 17 is fixedly connected to a lighting lamp 18. For the first rotating assembly of this structure, before the columnar sampler is put into water, the lighting lamp 18 is adjusted to shine vertically downward, and then the first fastening bolt 15 is tightened. During the underwater sampling process, if the first rotating block 17 is rotated relative to the first U-shaped frame 16 by an external force, after the columnar sampler is recovered, the first fastening bolt 15 can be unscrewed to adjust the first rotating block 17, and the first fastening bolt 15 can be tightened after it is adjusted to the right position, so as to ensure the stability of the lighting lamp 18. The first fastening bolt 15 of this embodiment is fixedly connected to the first rotating block 17, and the end of the first fastening bolt 15 passing through the first U-shaped frame 16 is formed with an external thread. After the first rotating block 17 is adjusted to the right position, it can be tightened with a nut. Alternatively, the first fixed part is the first U-shaped frame 16, the first rotating part is the 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 opening end of the first U-shaped frame 16 through a pin shaft, an underwater motor is fixedly connected to any side of the first U-shaped frame 16, and the output end of the underwater motor is connected to the pin shaft on any side, and the other end of the first rotating block 17 is fixedly connected to the lighting lamp 18. The underwater motor is connected to the remote controller 13 and the battery 12 respectively. In the process of underwater sampling, the remote controller 13 can control the underwater motor according to actual needs, and then adjust the illumination angle of the illuminator 18. The illuminator 18 can illuminate the shooting area of ​​the camera 24, so that the camera 24 can shoot normally.

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

[0035] The second fixed part of the present embodiment is the second U-shaped frame 21, and the second rotating part 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. One end of the second rotating block 22 is rotatably connected to the U-shaped opening end of the second U-shaped frame 21 and fixed in position by the second fastening bolt 23. The other end of the second rotating block 22 is fixedly connected to the camera 24. For the second rotating assembly of this structure, before the columnar sampler is put into water, the camera 24 is adjusted to be irradiated 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 columnar sampler is recovered, the second fastening bolt 23 can be unscrewed to adjust the second rotating block 22, and then the second fastening bolt 23 can be tightened after it is adjusted in place, thereby ensuring the stability of the camera 24. The second fastening bolt 23 of this embodiment is fixedly connected to the second rotating block 22. The end of the second fastening bolt 23 passing through the second U-shaped frame 21 is formed with an external thread. After the second rotating block 22 is adjusted in place, it can be tightened with a nut. Alternatively, the second fixed part is the second U-shaped frame 21, the second rotating part 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 opening end of the second U-shaped frame 21 through a pin shaft, an underwater motor is fixedly connected to any side of the second U-shaped frame 21, the output end of the underwater motor is connected to the pin shaft on any side, and the other end of the second rotating block 22 is fixedly connected to a 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 utility model is:

[0037] The battery 12 can be used to supply power to the electric components of the columnar sampler, the operation of the columnar sampler can be remotely controlled by the remote controller 13, and the operation of the electric hydraulic rod 2 can drive the sampling head 3 to press down repeatedly, and the sediment on the seabed can be sampled by the sampling head 3. After the sampling is completed, the sampling head 3 is driven to rise by the electric hydraulic rod 2, so that the interlocking plate 4 is interlocked with the inner side of the columnar sampler body 1, thereby preventing the sample after the columnar sampler body 1 is sampled from leaking out. 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 is lowered to the seabed, it is ensured that the columnar sampler is in an upright state. The pressure of the seabed can be measured by the pressure sensor 14, and the depth reached by the columnar sampler can be calculated by the pressure. The data detected by the pressure sensor 14 can be stored in the data storage unit 25. The sampling environment can be photographed by the camera 24, and the photographed data can be 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 is obvious 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 features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A sediment column sampler with 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 arranged inside 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 surface 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 fixedly connected to 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 component is provided below the servo motor (20), the second rotating component 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 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) 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 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: A storage battery (12) and a data storage unit (25) are respectively arranged inside the installation box (9), and the data storage unit (25) is located on one side of the storage battery (12). A remote controller (13) is also installed on the outer side of the installation box (9), and the electric hydraulic rod (2) and the servo motor (20) are respectively connected to the remote controller (13), and 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 storage battery (12).

6. The sediment column sampler with detection function according to claim 1, characterized in that: The first fixed 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 surface 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 fixed in position by a first fastening bolt (15), and the other end of the first rotating block (17) is fixedly connected to a lighting lamp (18).

7. The sediment column sampler with detection function according to claim 1, characterized in that: The first fixed 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 opening 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 part 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 opening end of the second U-shaped frame (21) and 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 opening end of the second U-shaped frame (21) through a pin shaft, an underwater motor is fixedly connected to any one side of the second U-shaped frame (21), the output end of the underwater motor is connected to the pin shaft on any one side, and the other end of the second rotating block (22) is fixedly connected to a camera (24).

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