A floating platform for mariculture

Abstract

The utility model discloses a kind of for offshore aquaculture floating platform, applied in offshore aquaculture technical field, including octagonal platform and fully enclosed net cage, the inside of the octagonal platform is provided with moon pool, the fully enclosed net cage is installed in the moon pool inside of octagonal platform, detachable frame is bolted to the top of the fully enclosed net cage, the inner surface of the octagonal platform is bolted with connecting plate, motor is bolted to the side of the connecting plate, motor output end is bolted with the winding rod of same connecting plate rotation connection, the surface of the winding rod is around and connected with tow rope. By starting motor to drive winding rod to rotate inside connecting plate, winding rod can be wound or released to tow rope. So that detachable frame and fully enclosed net cage can be lifted up and down in the moon pool inside of octagonal platform, so that it can adjust the depth of net cage under water as needed, avoid wave impact, improve practicability.

Description

Technical Field

[0001] This utility model belongs to the field of marine aquaculture technology, and specifically relates to a floating platform for marine aquaculture. Background Technology

[0002] Offshore aquaculture platforms are a technology that utilizes natural sea areas for fish farming. By setting up net cages in flowing seawater, the natural water flow is used to maintain water quality and reduce human intervention.

[0003] Currently, Chinese utility model patent CN222692543U discloses a marine aquaculture cage device. Existing marine aquaculture platforms typically install cages at a fixed height, a method with certain drawbacks. For example, in harsh wave conditions, cages near the surface experience greater wave impact, easily causing damage. While installing cages at deeper depths can reduce damage, the fixed height prevents them from being raised to the surface in good weather, allowing the cultured organisms to receive sunlight, thus limiting their practicality. Furthermore, during wave impact, the force acts directly on the floating platform and is then absorbed, causing the platform to sway and wasting wave energy. Summary of the Invention

[0004] The purpose of this utility model is to provide a floating platform for marine aquaculture, which has the advantages of being able to adjust the depth of the net cages underwater as needed and to generate electricity using wave energy, thereby improving the floating platform's wave resistance and anti-swaying ability.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0006] A floating platform for marine aquaculture includes an octagonal platform and a fully enclosed net cage. The octagonal platform has a moon pool inside, and the fully enclosed net cage is installed inside the moon pool of the octagonal platform.

[0007] The top of the fully enclosed cage is bolted with a detachable frame;

[0008] The octagonal platform is equipped with a winding mechanism, which includes a motor and a winding rod connected to the output end of the motor. A drag rope is wound around the surface of the winding rod, and the end of the drag rope away from the winding rod is bolted to the top of the detachable frame.

[0009] The above technical solution involves activating a motor to rotate a winding rod within the connecting plate. This allows the winding rod to reel in or unwind the tow rope, enabling the detachable frame and fully enclosed net cage to move up and down within the moon pool of the octagonal platform. This allows for adjustment of the net cage's underwater depth as needed, mitigating wave impact and improving practicality. Wave potential energy impacts the buoys on the octagonal platform surface, causing them to oscillate up and down under the control of positioning rods. This oscillation, in turn, drives a drive shaft via a belt. Since one end of the drive shaft is connected to a generator, the generator converts the mechanical energy of the rotating drive shaft into electrical energy, thus utilizing wave energy. Simultaneously, the direct impact of waves on the buoys provides cushioning, further enhancing the floating platform's wave resistance and anti-sway capabilities.

[0010] The present invention is further provided that the bottom of the octagonal platform is provided with a float to provide buoyancy for the octagonal platform.

[0011] The above technical solution is adopted: the octagonal platform is provided with sufficient buoyancy support through the pontoons.

[0012] The present invention is further configured such that the winding mechanism includes a connecting plate, the connecting plate being bolted to the inner surface of the octagonal platform, and the motor and the winding rod being mounted on the connecting plate.

[0013] The above technical solution is adopted: the connecting plate is fixed to the inner surface of the octagonal platform by bolting, providing stable support for the motor and winding rod, resisting the traction force of the tow rope and the impact of waves during the winding process, and avoiding equipment displacement or vibration.

[0014] The present invention is further configured such that a support frame is bolted to the outer surface of the octagonal platform, a drive shaft is rotatably connected inside the support frame, and a spool is fixedly sleeved on the surface of the drive shaft;

[0015] A float is installed on the side of the support frame away from the octagonal platform, and a positioning rod bolted to the support frame is rotatably connected through the inside of the float.

[0016] The side of the float away from the drive shaft is filled with a counterweight, and a belt is driven onto the surface of the reel, with the two ends of the belt being bolted to the top and bottom of the float, respectively.

[0017] By adopting the above technical solution, wave energy can be utilized, and the waves can be directly impacted on the buoy for buffering, which can also improve the wave resistance and anti-swaying ability of the floating platform.

[0018] The present invention is further configured such that a heat-conducting shell bolted to a connecting plate is fitted on the surface of the motor, and a limiting bolt threadedly connected to a winding rod is threaded on the side of the connecting plate away from the connecting plate.

[0019] The above technical solution is used to seal and protect the motor while simultaneously facilitating heat exchange and dissipation. By rotating the limit bolt and engaging the threaded connection of the connecting plate, one end of the winding rod can be secured, thereby limiting the winding of the tow rope and preventing the fully enclosed cage from sinking automatically.

[0020] The present invention is further provided that a sinker is bolted to the bottom of the fully enclosed cage.

[0021] The above technical solution is adopted to increase the weight of the bottom of the fully enclosed cage, so that the fully enclosed cage can sink quickly.

[0022] The present invention is further configured such that a generator is fixedly connected to the same drive shaft and sealed to one side of the support frame, and a power transmission line is electrically connected to one side of the generator.

[0023] The above technical solution involves fixing one end of a drive shaft to the main shaft of a generator, thereby transferring the mechanical energy of the drive shaft's rotation to the generator, which then converts the mechanical energy into electrical energy. This electrical energy is then transmitted and stored via power lines.

[0024] The present invention is further configured such that the belt is fixedly connected to a locking tooth that engages with the drive shaft on the side of the drive shaft surface away from the float.

[0025] The above technical solution involves engaging the belt and drive shaft with teeth to prevent the belt from slipping off the surface of the drive shaft.

[0026] In summary, this utility model has the following beneficial effects:

[0027] 1. By turning on the motor, the winding rod rotates inside the connecting plate, allowing it to wind up or unwind the tow rope. This enables the detachable frame and fully enclosed net cage to move up and down within the moon pool of the octagonal platform, allowing for adjustment of the net cage's underwater depth as needed, avoiding wave impact and improving practicality.

[0028] 2. The wave potential energy impacts the floats on the surface of the octagonal platform, causing the floats to oscillate up and down under the limit of the positioning rod, and driving the drive shaft to rotate via a belt. Since one end of the drive shaft is connected to a generator, the generator can convert the mechanical energy of the drive shaft rotation into electrical energy, allowing the wave energy to be utilized. At the same time, the waves directly impact the floats for cushioning, which also improves the floating platform's wave resistance and anti-swaying ability. Attached Figure Description

[0029] Figure 1 This is a top view of the structure of this utility model;

[0030] Figure 2This is a side structural sectional view of the present invention;

[0031] Figure 3 This is a top view of the floating block structure of this utility model;

[0032] Figure 4 This is a schematic diagram of the towing rope structure of this utility model;

[0033] Figure 5 This is a side sectional view of the floating block structure of this utility model.

[0034] Reference numerals: 1. Octagonal platform; 2. Demountable frame; 3. Fully enclosed net cage; 4. Float; 5. Connecting plate; 6. Towing rope; 7. Heat-conducting shell; 8. Motor; 9. Rewinding rod; 10. Support frame; 11. Drive shaft; 12. Positioning rod; 13. Buoy; 14. Reel; 15. Belt; 16. Counterweight; 17. Net cage sinker; 18. Waterproof ring; 19. Power transmission line; 20. Clamping teeth; 21. Limit bolt; 22. Generator. Detailed Implementation

[0035] The present invention will be further described in detail below with reference to the accompanying drawings. Example 1

[0036] refer to Figure 1 , Figure 2 , Figure 4 A floating platform for marine aquaculture includes an octagonal platform 1 and a fully enclosed net cage 3. The octagonal platform 1 has a moon pool inside. A buoy 4 providing buoyancy to the octagonal platform 1 is located at its bottom. The fully enclosed net cage 3 is installed inside the moon pool of the octagonal platform 1. A detachable frame 2 is bolted to the top of the fully enclosed net cage 3. A connecting plate 5 is bolted to the inner surface of the octagonal platform 1. A motor 8 is bolted to one side of the connecting plate 5. A winding rod 9, rotatably connected to the connecting plate 5, is bolted to the output end of the motor 8. A tow rope 6 is wound around the surface of the winding rod 9. The end of the tow rope 6 away from the connecting plate 5 is bolted to the top of the detachable frame 2. By activating the motor 8, the winding rod 9 rotates inside the connecting plate 5, allowing the winding rod 9 to wind or unwind the tow rope 6. This enables the detachable frame 2 and the fully enclosed net cage 3 to rise and fall within the moon pool of the octagonal platform 1, allowing adjustment of the net cage's underwater depth as needed, avoiding wave impact, and improving practicality.

[0037] refer to Figure 4The surface of the motor 8 is fitted with a heat-conducting shell 7 that is bolted to the connecting plate 5. A limiting bolt 21, which is threadedly connected to the winding rod 9 on the side of the connecting plate 5 away from the connecting plate 5, is used to seal and protect the motor 8, while also facilitating heat exchange and dissipation. By rotating the limiting bolt 21 to engage with the thread of the connecting plate 5, one end of the winding rod 9 can be secured, thereby limiting the winding tow rope 6 and preventing the fully enclosed net cage 3 from sinking automatically.

[0038] refer to Figure 2 A sinker 17 is bolted to the bottom of the fully enclosed net cage 3. This increases the weight at the bottom of the fully enclosed net cage 3, allowing it to sink quickly.

[0039] Brief description of operation: By activating motor 8, the winding rod 9 rotates inside the connecting plate 5, releasing the tow rope 6. This allows the detachable frame 2 and the fully enclosed net cage 3 to automatically sink under gravity, avoiding wave impact. Simultaneously, by activating motor 8 to rotate the winding rod 9 in the opposite direction, the winding rod 9 can rewind the released tow rope 6 back to the surface. The tow rope 6 generates traction, pulling the detachable frame 2 and the fully enclosed net cage 3 downwards towards the water surface, thus allowing adjustment of the depth of the fully enclosed net cage 3. It should be noted that although seawater can cause some corrosion to the mechanical transmission structure, a dense oxide film can be applied to the surface to prevent corrosion from chloride ions and other corrosive media. This is a mature technology in the field, thus eliminating the corrosive effects of seawater. Example 2

[0040] refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 A floating platform for marine aquaculture is disclosed. An octagonal platform 1 has a support frame 10 bolted to its outer surface. A drive shaft 11 is rotatably connected inside the support frame 10. A reel 14 is fixedly sleeved on the surface of the drive shaft 11. A float 13 is installed on the side of the support frame 10 away from the octagonal platform 1. A positioning rod 12, bolted to the support frame 10, is rotatably connected through the interior of the float 13. A counterweight 16 is filled inside the float 13 on the side away from the drive shaft 11. A belt 15 is drivenly sleeved on the surface of the reel 14, with both ends of the belt 15 bolted to the top and bottom of the float 13, respectively. Preferably, the float 13 has an elliptical cross-section, with one end larger than the other, and the counterweight 16 is installed inside the smaller end of the float 13.

[0041] The wave potential energy impacts the float 13 on the surface of the octagonal platform 1, causing the float 13 to swing back and forth under the limit of the positioning rod 12, and driving the drive shaft 11 to rotate via the belt 15. Since one end of the drive shaft 11 is connected to the generator 22, the generator 22 can convert the mechanical energy of the drive shaft 11 rotation into electrical energy, so that the wave energy can be utilized. At the same time, the waves directly impact the float 13 for buffering, which can also improve the wave resistance and anti-swaying ability of the floating platform.

[0042] refer to Figure 3 , Figure 4 Both ends of the drive shaft 11 and both ends of the winding rod 9 are fixedly fitted with waterproof rings 18 that are rotatably connected to the support frame 10 and the connecting plate 5. This prevents seawater from seeping into the interior and causing corrosion, and ensures the stability of rotation.

[0043] refer to Figure 3 A generator 22, which is fixedly connected to a drive shaft 11, is sealed and bolted to one side of the support frame 10. A power transmission line 19 is electrically connected to one side of the generator 22. The mechanical energy of the drive shaft 11 is transferred to the generator 22 by fixing one end of the drive shaft 11 to the main shaft of the generator 22. The generator 22 then converts the mechanical energy into electrical energy, which is then transmitted and stored through the power transmission line 19.

[0044] refer to Figure 5 The belt 15 is fixedly connected to the side of the drive shaft 11 away from the float 13, and has a locking tooth 20 that engages with the drive shaft 11. The belt 15 and the drive shaft 11 are engaged by the locking tooth 20, thereby preventing the belt 15 from slipping off the surface of the drive shaft 11.

[0045] Brief description of the operation: The impact force generated by the waves acts on the float 13 on the surface of the octagonal platform 1. Under the action of wave potential energy, the float 13 overcomes the gravity of the counterweight 16 and rotates on the surface of the positioning rod 12, causing one end of the float 13 to swing upward. At the same time, after the float 13 loses wave potential energy, it automatically swings downward under the gravity of the counterweight 16, thus allowing the float 13 to swing up and down repeatedly under wave potential energy. Then, the up and down reciprocating swing of the float 13 drives the belt 15 to drive the surface of the pulley 14, thereby causing the drive shaft 11 to rotate. Finally, one end of the drive shaft 11 is fixedly connected to the main shaft of the generator 22, thereby transferring the mechanical energy of the rotation of the drive shaft 11 to the generator 22, so that the generator 22 can convert the mechanical energy into electrical energy.

[0046] It should be noted that parts have a lifespan and can be replaced during regular maintenance when they no longer meet performance requirements. Deterioration in performance due to prolonged use of parts is not a design defect of this application.

Claims

1. A floating platform for offshore aquaculture, comprising an octagonal platform (1) and a fully enclosed net cage (3), characterized in that: The octagonal platform (1) has a moon pool inside, and the fully enclosed net cage (3) is installed inside the moon pool of the octagonal platform (1); The top of the fully enclosed cage (3) is bolted with a detachable frame (2); The octagonal platform (1) is provided with a winding mechanism, which includes a motor (8) and a winding rod (9) connected to the output end of the motor (8). A drag rope (6) is wound around the surface of the winding rod (9), and the end of the drag rope (6) away from the winding rod (9) is bolted to the top of the detachable frame (2).

2. A floating platform for offshore aquaculture according to claim 1, characterized in that: The bottom of the octagonal platform (1) is provided with a pontoon (4) to provide buoyancy to the octagonal platform (1).

3. A floating platform for offshore aquaculture according to claim 1, characterized in that: The winding mechanism also includes a connecting plate (5), which is bolted to the inner surface of the octagonal platform (1). The motor (8) and the winding rod (9) are both mounted on the connecting plate (5).

4. A floating platform for offshore aquaculture according to claim 1, characterized in that: The outer surface of the octagonal platform (1) is bolted with a support frame (10), and the inside of the support frame (10) is rotatably connected with a drive shaft (11). A spool (14) is fixedly sleeved on the surface of the drive shaft (11). A float (13) is installed on the side of the support frame (10) away from the octagonal platform (1), and a positioning rod (12) bolted to the support frame (10) is rotatably connected through the inside of the float (13). The side of the float (13) away from the drive shaft (11) is filled with a counterweight (16), and a belt (15) is connected to the surface of the reel (14). The two ends of the belt (15) are respectively bolted to the top and bottom of the float (13).

5. A floating platform for offshore aquaculture according to claim 1, characterized in that: The surface of the motor (8) is fitted with a heat-conducting shell (7) bolted to the connecting plate (5), and the side of the connecting plate (5) away from the connecting plate (5) is threaded with a limiting bolt (21) threadedly engaged with the winding rod (9).

6. A floating platform for offshore aquaculture according to claim 1, characterized in that: The bottom of the fully enclosed cage (3) is bolted with a cage sinker (17).

7. A floating platform for offshore aquaculture according to claim 4, characterized in that: A generator (22) is fixedly connected to the drive shaft (11) on one side of the support frame (10), and a power transmission line (19) is electrically connected to one side of the generator (22).

8. A floating platform for offshore aquaculture according to claim 7, characterized in that: The belt (15) is fixedly connected to the drive shaft (11) on the side of the drive shaft (11) away from the float (13) with a locking tooth (20) that engages with the drive shaft (11).

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