Marine aquaculture device

Abstract

The invention discloses a marine aquaculture device which comprises a net cage assembly, a floating plate assembly, an anti-storm mechanism, an electric power storage control system and a power generation assembly. A counterweight assembly and an anchoring assembly are mounted at the bottom of the net cage assembly; the floating plate assembly is installed on the top of the outer wall of the net cage assembly. A buffer assembly is mounted on the outer wall of the floating plate assembly; the anti-storm mechanism comprises a rotating ring and a plurality of guide plate assemblies; the rotating ring is rotationally connected to the outer wall of the buffering assembly, and the multiple guide plate assemblies are installed on the outer wall of the rotating ring at intervals in the circumferential direction. The power storage control system is installed on the net cage assembly. The power generation assembly comprises wind power generation equipment and photovoltaic power generation equipment, and the wind power generation equipment and the photovoltaic power generation equipment are both installed on the top of the net cage assembly. Wherein the wind power generation equipment and the photovoltaic power generation equipment are electrically connected with the power storage control system. The device can effectively disperse and weaken the impact force of stormy waves, provides a stable growth environment for cultured organisms, remarkably improves the stormy wave resistance, and improves the culture efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of aquaculture, in particular to a marine aquaculture device. Background Art

[0002] In the field of marine aquaculture, traditional aquaculture equipment often exposes many defects when facing severe weather conditions. First, existing equipment generally lacks efficient wind and wave resistance, which makes farmed organisms easily disturbed or even escape in extreme weather such as strong winds and big waves, seriously affecting the efficiency of farming and the survival rate of organisms. Secondly, traditional aquaculture equipment also has deficiencies in buoyancy stability and resistance to the impact of the marine environment. It is easy to be damaged by the impact of waves, which in turn affects the growth environment of farmed organisms and leads to low farming efficiency.

[0003] Therefore, a marine aquaculture device is proposed. Summary of the invention

[0004] The object of the present invention is to provide a marine aquaculture device, aiming to solve or improve at least one of the above-mentioned technical problems.

[0005] To achieve the above object, the present invention provides the following solution: The present invention provides a marine aquaculture device, comprising:

[0006] A net cage assembly, wherein a counterweight assembly and an anchor assembly are installed at the bottom of the net cage assembly;

[0007] A floating plate assembly, the floating plate assembly being mounted on the top of the outer wall of the cage assembly; a buffer assembly being mounted on the outer wall of the floating plate assembly;

[0008] An anti-wind and wave mechanism, the anti-wind and wave mechanism comprising a rotating ring and a plurality of guide plate assemblies; the rotating ring is rotatably connected to the outer wall of the buffer assembly, and a plurality of the guide plate assemblies are circumferentially spaced and installed on the outer wall of the rotating ring;

[0009] A power storage control system, the power storage control system being mounted on the grid cage assembly;

[0010] A power generation component, the power generation component includes a wind power generation device and a photovoltaic power generation device, and the wind power generation device and the photovoltaic power generation device are both installed on the top of the cage component;

[0011] Wherein, the wind power generation equipment and the photovoltaic power generation equipment are both electrically connected to the power storage control system.

[0012] According to a marine aquaculture device provided by the present invention, an underwater robot is provided in the cage assembly, a propeller and a camera are installed on the underwater robot, wing panels are installed on both sides of the underwater robot, cleaning brushes are installed on the wing panels, and the camera and the propeller are electrically connected to the power storage control system.

[0013] According to a marine aquaculture device provided by the present invention, the floating plate assembly includes a first mounting ring, a second mounting ring and a plurality of elliptical air bags; the first mounting ring is fixedly sleeved on the top of the outer wall of the cage assembly, and the second mounting ring is arranged on the outer side of the first mounting ring; the plurality of elliptical air bags are fixedly connected and communicated through cylindrical air bags, and the cylindrical air bags are fixedly installed between the first mounting ring and the second mounting ring; the buffer assembly is fixedly installed on the outer wall of the second mounting ring.

[0014] According to a marine aquaculture device provided by the present invention, the buffer assembly includes a plurality of first rubber columns and a plurality of second rubber columns, the plurality of first rubber columns and the plurality of second rubber columns are circumferentially and evenly spaced on the outer wall of the second mounting ring, the second rubber columns are located directly below the first rubber columns, and the plurality of first rubber columns and the plurality of second rubber columns are arranged one by one;

[0015] A rubber connecting column is fixedly installed between the first rubber column and the second rubber column, and a plurality of buffer through holes are penetrated through the side walls of the first rubber column and the second rubber column;

[0016] A support ring is fixedly mounted on one end of the first rubber column away from the second mounting ring, the second rubber column is fixedly connected to the support ring, and the rotating ring is rotatably connected to the outer wall of the support ring.

[0017] According to a marine aquaculture device provided by the present invention, the guide plate assembly includes an inclined guide plate body, a plurality of energy dissipation grooves are penetrated through the guide plate body, and a plurality of the guide plate bodies are circumferentially equidistantly mounted on the outer wall of the rotating ring.

[0018] According to a marine aquaculture device provided by the present invention, the cage assembly includes a support frame and a net, a plurality of reinforcing ribs are installed between the support frames, and the net is detachably connected to the inner wall of the support frame; the counterweight assembly and the anchor assembly are both installed at the bottom of the support frame, the power storage control system is installed on the support frame, the wind power generation equipment and the photovoltaic power generation equipment are both installed on the top of the support frame, the first mounting ring is fixedly sleeved on the top of the outer wall of the support frame, and the underwater robot is arranged in the net.

[0019] According to a marine aquaculture device provided by the present invention, the counterweight assembly includes a plurality of counterweight blocks, and the plurality of counterweight blocks are respectively fixedly mounted on the bottom of the support frame through connecting ropes; and the plurality of counterweight blocks are arranged at equal intervals.

[0020] According to a marine aquaculture device provided by the present invention, the anchor assembly includes a plurality of anchor chains, which are installed at intervals on the bottom of the outer side wall of the support frame, and a fixed anchor is installed at one end of the anchor chain away from the support frame.

[0021] According to a marine aquaculture device provided by the present invention, a T-shaped slider is installed on the outer wall of the support ring, a T-shaped groove is opened on the inner wall of the rotating ring, and the T-shaped slider is slidably connected to the T-shaped groove.

[0022] The present invention discloses the following technical effects:

[0023] The wind and wave resistance mechanism of the present invention comprises a rotating ring and a guide plate assembly. The impact of wind and waves can be converted into the rotation of the rotating ring through the guiding effect of the guide plate assembly, thereby effectively dispersing and weakening the impact force of wind and waves, significantly improving the stability of the device and enhancing the wind and wave resistance, providing a stable growth environment for the cultured organisms in the cage assembly, thereby improving the culture efficiency and protecting the cultured organisms from the influence of bad weather;

[0024] The present invention makes full use of the abundant natural energy in the ocean through wind power generation equipment and photovoltaic power generation equipment to achieve energy self-sufficiency of the aquaculture device, reduce dependence on external power sources, and promote environmental protection and sustainable development;

[0025] The present invention not only enhances the buoyancy stability of the device through the floating plate component and the buffer component, but also further protects the aquaculture device from direct impact of the marine environment through the buffering effect, thereby further improving the aquaculture efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the structure of the marine aquaculture device of the present invention;

[0028] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0029] Figure 3It is a schematic diagram of the structure of the underwater robot in the present invention;

[0030] Figure 4 It is a schematic diagram of the connection between the wind and wave resistance mechanism and the second mounting ring in the present invention.

[0031] Among them, 1. wind power generation equipment; 2. photovoltaic power generation equipment; 3. underwater robot; 4. mounting seat; 5. thruster; 6. camera; 7. first mounting ring; 8. second mounting ring; 9. elliptical airbag; 10. cylindrical airbag; 11. first rubber column; 12. second rubber column; 13. rubber connecting column; 14. buffer through hole; 15. support ring; 16. rotating ring; 17. guide plate body; 18. energy dissipation groove; 19. support frame; 20. net; 21. reinforcing rib; 22. counterweight; 23. connecting rope; 24. anchor chain; 25. fixed anchor; 26. T-type slider; 27. T-type slide groove. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0034] Reference Figure 1-Figure 4 The present invention provides a marine aquaculture device, comprising:

[0035] A net cage assembly, a counterweight assembly and an anchor assembly are installed at the bottom of the net cage assembly;

[0036] A floating plate assembly is installed on the top of the outer wall of the cage assembly; a buffer assembly is installed on the outer wall of the floating plate assembly;

[0037] The wind and wave resistance mechanism comprises a rotating ring 16 and a plurality of guide plate assemblies; the rotating ring 16 is rotatably connected to the outer wall of the buffer assembly, and the plurality of guide plate assemblies are circumferentially spaced and installed on the outer wall of the rotating ring 16;

[0038] An electricity storage control system, the electricity storage control system is installed on the grid box assembly;

[0039] A power generation component, the power generation component includes a wind power generation device 1 and a photovoltaic power generation device 2, and the wind power generation device 1 and the photovoltaic power generation device 2 are both installed on the top of the cage component;

[0040] The wind power generation equipment 1 and the photovoltaic power generation equipment 2 are both electrically connected to the power storage control system; the power storage control system includes a PLC controller and a battery, and the wind power generation equipment 1, the photovoltaic power generation equipment 2 and the battery are electrically connected to the PLC controller;

[0041] Thus, the wind and wave resistance mechanism of the present invention includes a rotating ring 16 and a guide plate assembly. The guiding effect of the guide plate assembly can convert the impact of wind and waves into the rotation of the rotating ring 16, thereby effectively dispersing and weakening the impact of wind and waves, significantly improving the stability of the device and enhancing the wind and wave resistance, providing a stable growth environment for the cultured organisms in the cage assembly, thereby improving the culture efficiency and protecting the cultured organisms from the influence of bad weather;

[0042] The present invention makes full use of the abundant natural energy in the ocean through the wind power generation equipment 1 and the photovoltaic power generation equipment 2, realizes energy self-sufficiency of the aquaculture device, reduces dependence on external power sources, and promotes environmental protection and sustainable development.

[0043] The present invention not only enhances the buoyancy stability of the device through the floating plate component and the buffer component, but also further protects the aquaculture device from direct impact of the marine environment through the buffering effect, thereby further improving the aquaculture efficiency.

[0044] Further optimization scheme, an underwater robot 3 is provided in the cage assembly, a propeller 5 and a camera 6 are installed on the underwater robot 3, wing plates (not shown in the figure) are installed on both sides of the underwater robot 3, cleaning brushes (not shown in the figure) are installed on the wing plates, and the camera 6 and the propeller 5 are electrically connected to the power storage control system; the propeller 5 is installed on the outer wall of the underwater robot 3 through the mounting seat 4;

[0045] With such arrangement, the underwater robot 3 can move freely in the cage assembly driven by the propeller 5 to perform tasks such as inspection, monitoring water quality, and observing the growth of farmed organisms; the camera 6 is used to capture underwater images in real time and transmit the data to the power storage control system for the convenience of remote monitoring by the breeder; the cleaning brush can clean the attachments on the net 20 and keep the inside of the cage assembly clean, which is conducive to the growth of farmed organisms.

[0046] Further optimized solution, the floating plate assembly includes a first mounting ring 7, a second mounting ring 8 and a plurality of elliptical air bags 9; the first mounting ring 7 is fixedly sleeved on the top of the outer wall of the cage assembly, and the second mounting ring 8 is arranged outside the first mounting ring 7; the plurality of elliptical air bags 9 are fixedly connected and communicated through a cylindrical air bag 10, and the cylindrical air bag 10 is fixedly installed between the first mounting ring 7 and the second mounting ring 8; the buffer assembly is fixedly installed on the outer wall of the second mounting ring 8;

[0047] The elliptical airbag 9 and the cylindrical airbag 10 are used to provide the buoyancy required by the cage assembly. The elliptical airbag 9 enhances the stability of the device. The elliptical airbag 9 and the cylindrical airbag 10 are both made of elastic material, which can absorb and disperse the energy of external impact, thereby playing a shock-absorbing role, helping to protect the device, reduce damage from waves, and extend the service life of the device.

[0048] Further optimized solution, the buffer assembly includes a plurality of first rubber columns 11 and a plurality of second rubber columns 12, the plurality of first rubber columns 11 and the plurality of second rubber columns 12 are circumferentially mounted on the outer wall of the second mounting ring 8 at equal intervals, the second rubber columns 12 are located directly below the first rubber columns 11, and the plurality of first rubber columns 11 and the plurality of second rubber columns 12 are arranged one by one;

[0049] A rubber connecting column 13 is fixedly installed between the first rubber column 11 and the second rubber column 12. A plurality of buffer through holes 14 are formed through the side walls of the first rubber column 11 and the second rubber column 12.

[0050] A support ring 15 is fixedly mounted on one end of the first rubber column 11 away from the second mounting ring 8, the second rubber column 12 is fixedly connected to the support ring 15, and the rotating ring 16 is rotatably connected to the outer wall of the support ring 15;

[0051] In this way, the first rubber column 11 and the second rubber column 12 are connected through the rubber connecting column 13 to form an integral buffer structure. When wind and waves impact the aquaculture device, the first rubber column 11, the second rubber column 12 and the rubber connecting column 13 are elastically deformed to absorb and disperse the impact energy, thereby protecting the aquaculture device from damage; the buffer through hole 14 further enhances the buffering effect of the rubber column, allowing air and seawater to flow inside the buffer through hole 14, thereby more effectively absorbing the impact energy.

[0052] A further optimized solution is that the guide plate assembly includes an inclined guide plate body 17, a plurality of energy dissipation grooves 18 are formed through the guide plate body 17, and the plurality of guide plate bodies 17 are circumferentially equidistantly installed on the outer wall of the rotating ring 16; the inclined guide plate body 17 can guide the impact direction of wind and waves so that it acts on the rotating ring 16 to promote its rotation, thereby effectively dispersing the impact force of wind and waves and reducing the damage to the breeding device; the energy dissipation grooves 18 can further weaken the impact force of wind and waves and improve stability.

[0053] Further optimization scheme, the cage assembly includes a support frame 19 and a net 20, a plurality of reinforcing ribs 21 are installed between the support frames 19, and the net 20 is detachably connected to the inner wall of the support frame 19; the counterweight assembly and the anchor assembly are both installed at the bottom of the support frame 19, the power storage control system is installed on the support frame 19, the wind power generation equipment 1 and the photovoltaic power generation equipment 2 are both installed on the top of the support frame 19, the first mounting ring 7 is fixedly sleeved on the top of the outer wall of the support frame 19, and the underwater robot 3 is arranged in the net 20;

[0054] The support frame 19 and the reinforcing ribs 21 constitute the main structure of the cage assembly, providing sufficient strength and stability to support the weight of the net 20 and the cultured organisms; the net 20 is connected to the support frame 19 by a detachable connection, so that the net 20 can be easily replaced or cleaned.

[0055] A further optimized solution is that the counterweight assembly includes a plurality of counterweight blocks 22, and the plurality of counterweight blocks 22 are fixedly mounted on the bottom of the supporting frame 19 by connecting ropes 23; the plurality of counterweight blocks 22 are arranged at equal intervals; the counterweight blocks 22 are fixed to the bottom of the supporting frame 19 by connecting ropes 23, which provides the necessary stability and wind and wave resistance for the aquaculture device, and the counterweight blocks 22 arranged at equal intervals ensure the balance of the device in the water.

[0056] A further optimized solution is that the anchoring assembly includes a plurality of anchoring chains 24, and the plurality of anchoring chains 24 are installed at intervals on the bottom of the outer wall of the supporting frame 19, and a fixed anchor 25 is installed at one end of the anchoring chain 24 away from the supporting frame 19; the anchoring chain 24 and the fixed anchor 25 constitute a fixing system for the aquaculture device, and by embedding the fixed anchor 25 into the seabed or seabed rock, it is ensured that the aquaculture device will not drift or tip over in wind and waves, thereby further improving the wind and wave resistance and improving the aquaculture stability.

[0057] To further optimize the solution, a T-shaped slider 26 is installed on the outer wall of the support ring 15, and a T-shaped groove 27 is opened on the inner wall of the rotating ring 16. The T-shaped slider 26 is slidably connected to the T-shaped groove 27 to ensure stable rotation of the rotating ring 16 on the support ring 15.

[0058] To further optimize the solution, a water quality sensor assembly is installed on the inner wall of the support frame 19, and the water quality sensor assembly includes a dissolved oxygen sensor, a pH sensor, a temperature sensor, and a salinity sensor. The dissolved oxygen sensor, the pH sensor, the temperature sensor, and the salinity sensor are all electrically connected to the power storage control system for real-time monitoring of water quality parameters and transmitting data to the power storage control system.

[0059] To further optimize the solution, an aeration device and a pH agent dosing device are installed in the support frame 19, and both the aeration device and the agent dosing device are electrically connected to the power storage control system. The power storage control system controls the opening and closing of the aeration device and the opening and closing of the pH agent dosing device according to the data of the water quality sensor, thereby automatically adjusting the dissolved oxygen content and pH value in the water body; the water quality parameters of the breeding environment are monitored in real time through the water quality sensor to ensure that the breeding organisms are in a suitable growth environment; the power storage control system automatically adjusts the water quality according to the monitoring data, reduces manual intervention, and improves breeding efficiency.

[0060] To further optimize the solution, a feed bin is installed on the top of the support frame 19 to store the feed required by the farmed organisms; an automatic feeding device is installed at the bottom of the feed bin, including a conveying pipe and a feeding nozzle, to evenly deliver the feed into the cage assembly; combined with the camera 6 of the underwater robot 3, the feeding situation of the farmed organisms is observed in real time, and accurate feeding is achieved according to the growth stage and feeding needs of the farmed organisms, thereby avoiding feed waste and improving feed utilization.

[0061] To further optimize the solution, a sonic driving device and an infrared monitoring device are installed on the outer wall of the supporting frame 19 cage assembly. Both the sonic driving device and the infrared monitoring device are electrically connected to the power storage control system. The infrared monitoring device is used to monitor the surrounding environment in real time. When a potential threat is found, the sonic driving device is activated. The sonic driving device is used to drive away large marine organisms (such as fish, seabirds, etc.) that may prey on farmed organisms; the sonic driving device and the infrared monitoring device can effectively prevent the invasion of predators and ensure the safety of farmed organisms.

[0062] To further optimize the solution, a high-pressure water gun is installed on the underwater robot 3 to clean the stubborn attachments (such as algae, shellfish, etc.) on the net 20. The high-pressure water gun can quickly clean the net 20, keep the inside of the cage assembly clean, extend its service life, and reduce breeding costs.

[0063] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0064] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A marine aquaculture device, characterized in that: include: A net cage assembly, wherein a counterweight assembly and an anchor assembly are installed at the bottom of the net cage assembly; A floating plate assembly, the floating plate assembly being mounted on the top of the outer wall of the cage assembly; a buffer assembly being mounted on the outer wall of the floating plate assembly; An anti-wind and wave mechanism, the anti-wind and wave mechanism comprising a rotating ring (16) and a plurality of guide plate assemblies; the rotating ring (16) is rotatably connected to the outer wall of the buffer assembly, and the plurality of guide plate assemblies are circumferentially spaced and installed on the outer wall of the rotating ring (16); A power storage control system, the power storage control system being mounted on the grid cage assembly; A power generation component, the power generation component comprising a wind power generation device (1) and a photovoltaic power generation device (2), the wind power generation device (1) and the photovoltaic power generation device (2) are both installed on the top of the cage component; Wherein, the wind power generation equipment (1) and the photovoltaic power generation equipment (2) are both electrically connected to the power storage control system.

2. The marine aquaculture device according to claim 1, characterized in that: An underwater robot (3) is arranged in the cage assembly, a propeller (5) and a camera (6) are installed on the underwater robot (3), wing plates are installed on both sides of the underwater robot (3), cleaning brushes are installed on the wing plates, and the camera (6) and the propeller (5) are both electrically connected to the power storage control system.

3. The marine aquaculture device according to claim 2, characterized in that: The floating plate assembly comprises a first mounting ring (7), a second mounting ring (8) and a plurality of elliptical air bags (9); the first mounting ring (7) is fixedly mounted on the top of the outer wall of the cage assembly, and the second mounting ring (8) is arranged on the outer side of the first mounting ring (7); the plurality of elliptical air bags (9) are fixedly connected and communicated through a cylindrical air bag (10), and the cylindrical air bag (10) is fixedly mounted between the first mounting ring (7) and the second mounting ring (8); the buffer assembly is fixedly mounted on the outer wall of the second mounting ring (8).

4. The marine aquaculture device according to claim 3, characterized in that: The buffer assembly comprises a plurality of first rubber columns (11) and a plurality of second rubber columns (12), wherein the plurality of first rubber columns (11) and the plurality of second rubber columns (12) are mounted on the outer wall of the second mounting ring (8) at equal intervals in the circumferential direction, the second rubber columns (12) are located directly below the first rubber columns (11), and the plurality of first rubber columns (11) and the plurality of second rubber columns (12) are arranged in a one-to-one correspondence; A rubber connecting column (13) is fixedly installed between the first rubber column (11) and the second rubber column (12), and a plurality of buffer through holes (14) are penetrated through the side walls of the first rubber column (11) and the second rubber column (12); A support ring (15) is fixedly mounted on one end of the first rubber column (11) away from the second mounting ring (8); the second rubber column (12) is fixedly connected to the support ring (15); and the rotating ring (16) is rotatably connected to the outer wall of the support ring (15).

5. The marine aquaculture device according to claim 1, characterized in that: The guide plate assembly comprises a guide plate body (17) which is arranged obliquely. A plurality of energy dissipation grooves (18) are formed through the guide plate body (17). The plurality of guide plate bodies (17) are mounted on the outer wall of the rotating ring (16) at equal intervals in the circumferential direction.

6. The marine aquaculture device according to claim 3, characterized in that: The cage assembly comprises a support frame (19) and a net (20); a plurality of reinforcing ribs (21) are installed between the support frame (19); the net (20) is detachably connected to the inner wall of the support frame (19); the counterweight assembly and the anchor assembly are both installed at the bottom of the support frame (19); the power storage control system is installed on the support frame (19); the wind power generation equipment (1) and the photovoltaic power generation equipment (2) are both installed at the top of the support frame (19); the first mounting ring (7) is fixedly sleeved on the top of the outer wall of the support frame (19); and the underwater robot (3) is arranged in the net (20).

7. The marine aquaculture device according to claim 6, characterized in that: The counterweight assembly comprises a plurality of counterweight blocks (22), and the plurality of counterweight blocks (22) are fixedly mounted on the bottom of the support frame (19) via connecting ropes (23) respectively; the plurality of counterweight blocks (22) are arranged at equal intervals.

8. The marine aquaculture device according to claim 6, characterized in that: The anchor assembly comprises a plurality of anchor chains (24), wherein the plurality of anchor chains (24) are installed at intervals at the bottom of the outer side wall of the support frame (19), and a fixed anchor (25) is installed at one end of the anchor chain (24) away from the support frame (19).

9. The marine aquaculture device according to claim 4, characterized in that: A T-shaped slider (26) is installed on the outer wall of the support ring (15), a T-shaped slide groove (27) is opened on the inner wall of the rotating ring (16), and the T-shaped slider (26) is slidably connected to the T-shaped slide groove (27).

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