A complete set of equipment for offshore anti-wave deepwater fry breeding net cage

Abstract

This invention discloses a complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves, relating to the technical field of fish fry breeding cages. It includes a float tube and an inner micro-mesh. A connecting block is fixedly installed on the outer surface of the float tube, and a second float tube is fixedly installed inside the connecting block. A connecting floating ring is fixedly installed on the inner side of the connecting block, and one side of the connecting floating ring is fixedly installed to the outer surface of the inner micro-mesh. An anti-sway mechanism is provided at the bottom of the inner micro-mesh. A scraping mechanism achieves a self-cleaning function to prevent mesh blockage. It can operate without external power, relying on the hydrodynamic energy of the ocean current itself: the turbine blades drive the turbine shaft to rotate within the gearbox under the impact of the ocean current. Power is transmitted to the worm gear through the external meshing of gear one and gear two, and then through the connecting shaft. After the worm gear meshes with the worm, the large reduction ratio of the worm gear further reduces the rotational speed to a suitable slow speed for scraping.

Description

Technical Field

[0001] This invention relates to the field of fish fry breeding cage technology, specifically a complete set of equipment for deep-sea fish fry breeding cages that are resistant to wind and waves. Background Technology

[0002] Deep-water fish fry breeding cages are intensive breeding facilities designed specifically for open water or large bodies of water. They are typically constructed with a stable floating frame made of HDPE floating pipes or high-strength steel structures, and fitted with wear-resistant, escape-proof knotless netting. They are anchored in areas with moderate water depth and gentle currents via an anchoring system. Their core advantage lies in simulating a natural ecological environment using deep, high-quality water. The exchange of water flow inside and outside the cage ensures sufficient dissolved oxygen and removes metabolic waste. They are also equipped with shade nets, bird nets, and automatic feeding and aeration equipment, allowing for precise control of stocking density and feeding strategies. This improves the survival rate, growth rate, and disease resistance of fish fry. Furthermore, because they are far from shoreline pollution and easy to manage and operate on a large scale, they have become an important technical means for the efficient cultivation and staged growth of modern aquatic fry.

[0003] In existing technologies, deep-water fish fry breeding cages require thorough cleaning, soaking and disinfection of the netting, and underwater installation and fixation before stocking the fry. A trial cage is then used to test whether the aquatic environment meets standards. Subsequently, artificially hatched or purchased fry of suitable age are acclimatized and treated with medicated baths before being stocked at a reasonable density into the main rearing cage and the inner ring net. An automatic feeder is activated to provide micro-particle feed at regular intervals and quantities, while bottom micro-pores or impeller aeration devices are turned on to maintain sufficient dissolved oxygen. During the rearing period, the cages are inspected daily for netting damage and attached organisms. The cages are periodically lifted to sample and measure the fry's length and weight to adjust the feeding rate. Emergency measures such as changing cages, applying probiotics, or attaching medications are taken promptly based on changes in water quality or signs of disease.

[0004] However, in actual use, while the outer main cage withstood the typhoon, the inner micronet would swing violently like a pendulum in the waves, causing the fry to be injured by hitting the net and die from stress. At the same time, the continuous shaking disrupted the water flow field inside the micronet, forcing the fry to constantly swim against the current or swim in circles under stress to maintain balance, consuming the energy required for their growth, reducing the feed conversion rate, and suppressing the immune system function. Ultimately, this led to an increase in the fry deformity rate, a slowdown in growth rate, and a significant decrease in the group survival rate, thus restricting the economic benefits of deep-water fry breeding.

[0005] In practical use, even though the weighted suspension solves the problem of the inner circle micro-net shaking injuring fish fry, the mesh of the micro-net is easily clogged by plankton, organic debris and algae in strong current environments, resulting in severe clogging. This obstructs the exchange of water between the inside and outside, causes a sharp drop in dissolved oxygen inside the micro-net, and prevents the effective discharge of metabolic waste such as ammonia nitrogen, forming a local hypoxia zone. Because the mesh of the micro-net is extremely small, it is very difficult to clean after clogging. Frequent net lifting and cleaning not only interferes with the feeding rhythm of the fish fry and increases operational stress, but also easily causes secondary mechanical damage. Furthermore, being in a state of low oxygen stress for a long time will further weaken the physical condition of the fish fry and induce secondary diseases such as gill rot and parasite breeding. Summary of the Invention

[0006] The purpose of this invention is to provide a complete set of equipment for deep-sea fish fry breeding cages that are resistant to wind and waves, in order to solve the problems of avoiding the shaking of the inner micro-net and surface clogging.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves, comprising a first floating tube and an inner micro-net, wherein a connecting block is fixedly installed on the outer surface of the first floating tube, a second floating tube is fixedly installed inside the connecting block, a connecting floating ring is fixedly installed on the inner side of the connecting block, one side of the connecting floating ring is fixedly installed to the outer surface of the inner micro-net, an anti-sway mechanism is provided at the bottom of the inner micro-net, and a scraping mechanism that converts water flow force into scraping force is provided inside the inner micro-net; The anti-sway mechanism includes a through shaft and a streamlined lead weight. The scraping mechanism includes a gearbox, a turbine shaft, water turbine blades, gear one, gear two, a connecting shaft, and a worm gear.

[0008] Preferably, the outer surface of the through shaft is fixedly installed to the interior of the inner ring micromesh, and the upper surface of the streamlined lead weight is fixedly installed to the bottom end of the through shaft.

[0009] Preferably, the upper surface of the gearbox is fixedly installed with the lower surface of the inner ring micromesh, the outer surface of the turbine shaft is rotatably installed with the inner wall of the gearbox, one side of the water turbine blade is fixedly installed with the outer surface of the turbine shaft, the interior of gear one is fixedly installed with the outer surface of the gearbox, the outer surface of gear two meshes with the outer surface of gear one, and gear one is rotatably installed with the inner wall of the inner ring micromesh, the outer surface of the connecting shaft is fixedly installed with the interior of gear two, and one end of the worm gear is fixedly installed with one end of the connecting shaft.

[0010] Preferably, a worm is worm-driven on the outer surface of the worm wheel, and a rotating ring is fixedly installed inside the worm.

[0011] Preferably, the inner wall of the rotating ring is rotatably mounted to the outer surface of the through shaft, and a scraper is fixedly mounted on the outer surface of the rotating ring, with one side of the scraper fitting against the inner wall of the inner ring micromesh.

[0012] Preferably, a connecting frame is fixedly installed on the upper surface of the inner ring micromesh, and a top plate is fixedly installed on one side of the connecting frame.

[0013] Preferably, the lower surface of the inner side of the connecting block is provided with a mesh, and sinker rings are installed around the lower surface of the mesh.

[0014] Preferably, a guardrail is fixedly installed on the upper surface of the connecting block, and the guardrail is arranged in a ring above the second floating pipe.

[0015] Preferably, a cable is provided on the outer side of the lower surface of the connecting block, a counterweight is fixedly installed at the bottom end of the cable, and a fixed anchor is provided on the lower surface of the counterweight.

[0016] Preferably, the first float tube is located on the outside of the overall device, and the second float tube is located on the inside of the overall device.

[0017] Compared with the prior art, the beneficial effects of the present invention are: This invention achieves a self-cleaning function to prevent clogging of the mesh through a scraping mechanism. It operates solely on the hydrodynamic energy of the ocean current, requiring no external power. The turbine blades, driven by the impact of the ocean current, rotate the turbine shaft within the gearbox. Power is transmitted to the worm gear via the external meshing of gears one and two, and then through a connecting shaft. The worm gear engages with the worm, further utilizing its large reduction ratio to slow the rotation speed to a suitable level for scraping. Its reverse self-locking function prevents turbulence from causing the rotating ring to reverse. The rotating ring slowly rotates around the outer surface of the through shaft, causing the scraper blades fixedly mounted on its outer surface to adhere tightly to the inner wall of the inner ring micro-mesh in a circumferential motion. Slow-speed scraping physically pushes plankton, organic debris, and algae attached to the mesh to the outside of the mesh and carries them away by the external water flow. This effectively maintains the unobstructed mesh, ensuring sufficient exchange of water between the inner and outer rings of the micronet. It avoids the problem of localized hypoxia caused by a sharp drop in dissolved oxygen and the inability to effectively remove metabolic waste such as ammonia nitrogen due to mesh blockage. It also reduces the operational stress and secondary mechanical damage caused by frequent net lifting and cleaning, lowers the incidence of secondary diseases such as gill rot and parasite infestation, ensures the health and normal growth of fish fry under hypoxic stress, and improves the feasibility and economy of deep-water cage fry cultivation.

[0018] This invention utilizes a double-floating-tube large circular ring structure formed by two floating tubes, and achieves a rigid fixed connection between them using connecting blocks. This enhances the overall structural strength and wave resistance of the outer ring main box. The inner ring micro-mesh is flexibly connected to the inner side of the connecting block via a connecting floating ring, achieving a soft connection and buffer between the outer and inner rings, avoiding the rigid transmission of wave impact. The through-shaft in the anti-sway mechanism is vertically fixed to the center of the inner ring micro-mesh, and the streamlined lead weight fixed at its bottom utilizes the physical property that its own weight always points towards the center of the earth, and through the rigid through-shaft... The vertical orientation is transmitted in reverse to the entire inner micro-net frame, forcing the micro-net to maintain a vertical posture in the waves. This effectively counteracts the pendulum-like swaying of the outer main tank caused by wave undulation, thereby reducing physical collisions between the inner wall of the inner micro-net and the fry. This prevents the fry from losing mucus, getting scales scratched, and suffering head injuries, reducing stress and energy consumption, improving feed conversion rate and immune function. Ultimately, this effectively improves the control of fry deformity rate, growth rate, and group survival rate, ensuring the economic benefits of deep-sea fry breeding. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 A top-view structural diagram; Figure 3 For the present invention Figure 1 A schematic diagram of the structure viewed from below; Figure 4 For the present invention Figure 1 A schematic diagram of the cross-sectional structure; Figure 5 For the present invention Figure 1 A schematic diagram of a partial structure; Figure 6 For the present invention Figure 5 Enlarged schematic diagram of the structure at point A; Figure 7 For the present invention Figure 5 A top-view structural diagram; Figure 8 For the present invention Figure 7 Enlarged schematic diagram of the structure at point B.

[0020] In the diagram: 1. Floating pipe one; 2. Connecting block; 3. Floating pipe two; 4. Guardrail; 5. Cable; 6. Counterweight; 7. Fixed anchor; 8. Netting; 9. Sinking ring; 10. Connecting floating ring; 11. Inner ring micro-netting; 12. Connecting frame; 13. Top plate; 14. Scraping mechanism; 141. Gearbox; 142. Turbine shaft; 143. Water turbine blades; 144. Gear one; 145. Gear two; 146. Connecting shaft; 147. Worm gear; 148. Worm; 149. Rotating ring; 1410. Scraper; 15. Anti-sway mechanism; 151. Through shaft; 152. Streamlined lead weight. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the present invention provides a technical solution: a complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves, including a float tube 1 and an inner micro-net 11. A connecting block 2 is fixedly installed on the outer surface of the float tube 1, a float tube 3 is fixedly installed inside the connecting block 2, a connecting floating ring 10 is fixedly installed on the inner side of the connecting block 2, one side of the connecting floating ring 10 is fixedly installed to the outer surface of the inner micro-net 11, an anti-sway mechanism 15 is provided at the bottom of the inner micro-net 11, and a scraping mechanism 14 that converts water flow force into scraping force is provided inside the inner micro-net 11. The anti-sway mechanism 15 includes a through shaft 151 and a streamlined lead weight 152; The scraping mechanism 14 includes a gearbox 141, a turbine shaft 142, water flow turbine blades 143, a first gear 144, a second gear 145, a connecting shaft 146, and a worm gear 147. The outer surface of the through shaft 151 is fixedly installed inside the inner ring micro-mesh 11, and the upper surface of the streamlined lead weight 152 is fixedly installed at the bottom end of the through shaft 151.

[0023] Specifically, the main structure consists of a double-buoy large circular ring formed by float pipe 1 and float pipe 2, and the two are rigidly fixed together by connecting block 2. This improves the overall structural strength and wave resistance of the outer main box. Combined with the catenary mooring system consisting of cable 5, counterweight 6, and fixed anchor 7, it can effectively resist the impact of strong winds and waves in deep seas, ensuring the survival stability of the entire equipment in harsh sea conditions. The inner microgrid 11 is flexibly connected to the inner side of the connecting block 2 via the connecting floating ring 10, thereby achieving a soft connection buffer between the outer main box and the inner microgrid and avoiding the direct rigid transmission of the violent undulations and swaying of the outer main box to the inner microgrid.

[0024] according to Figure 1 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the upper surface of the gearbox 141 is fixedly installed with the lower surface of the inner ring micro-mesh 11, the outer surface of the turbine shaft 142 is rotatably installed with the inner wall of the gearbox 141, one side of the water turbine blade 143 is fixedly installed with the outer surface of the turbine shaft 142, the interior of gear one 144 is fixedly installed with the outer surface of the gearbox 141, the outer surface of gear two 145 meshes with the outer surface of gear one 144, and gear one 144 is rotatably installed with the inner wall of the inner ring micro-mesh 11, the outer surface of the connecting shaft 146 is fixedly installed with the interior of gear two 145, one end of the worm gear 147 is fixedly installed with one end of the connecting shaft 146, the outer surface of the worm gear 147 is worm-driven with a worm 148, the interior of the worm 148 is fixedly installed with a rotating ring 149, the inner wall of the rotating ring 149 is rotatably installed with the outer surface of the through shaft 151, the outer surface of the rotating ring 149 is fixedly installed with a scraper 1410, and one side of the scraper 1410 is attached to the inner wall of the inner ring micro-mesh 11.

[0025] Specifically, one side of the water turbine blade 143 is fixedly installed to the outer surface of the turbine shaft 142, and the outer surface of the turbine shaft 142 is rotatably installed to the inner wall of the gearbox 141. When the ocean current impacts the water turbine blade 143, it directly drives the turbine shaft 142 to rotate, efficiently converting the kinetic energy of the water into rotational mechanical energy. The energy transfer path is short and the loss is small, requiring no external power input. The worm gear 147 and worm 148 have a reverse self-locking characteristic. When the direction of the ocean current changes abruptly or turbulent eddies are generated, causing the turbine blades 143 to be subjected to reverse impact force, the worm 148 cannot be driven to rotate in the reverse direction by the worm gear 147. This effectively prevents the rotating ring 149 and the scraper 1410 from swinging uncontrollably in the ocean current, and avoids the scraper repeatedly hitting the net wall or fish fry in turbulent currents. The gearbox 141 encloses the transmission components such as the turbine shaft 142, gear one 144, gear two 145, connecting shaft 146, worm gear 147 and worm 148 inside the housing. With the help of oil seals, a fully sealed oil bath lubrication is achieved, which effectively isolates seawater erosion and silt wear, ensuring that the transmission system can operate stably for a long time in deep water and high salinity environment, reducing the failure rate and maintenance frequency.

[0026] according to Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a connecting frame 12 is fixedly installed on the upper surface of the inner ring micro-mesh 11, and a top plate 13 is fixedly installed on one side of the connecting frame 12. A net 8 is provided on the lower surface of the inner side of the connecting block 2. Sink rings 9 are installed around the lower surface of the net 8. A guardrail 4 is fixedly installed on the upper surface of the connecting block 2, and the guardrail 4 is arranged in a ring above the float pipe 3. A cable 5 is provided on the outer side of the lower surface of the connecting block 2. A counterweight 6 is fixedly installed at the bottom end of the cable 5. A fixing anchor 7 is provided on the lower surface of the counterweight 6. The float pipe 1 is located on the outer side of the overall device, and the float pipe 2 3 is located on the inner side of the overall device.

[0027] Specifically, the connecting frame 12 is fixedly installed on the upper surface of the inner micro-mesh 11, and a top plate 13 is fixedly installed on one side of the connecting frame 12, providing a stable mounting base for aquaculture equipment such as automatic feeders, aeration pipelines, water quality monitoring sensors, and shading facilities. This ensures that the feeding and aeration equipment maintains a stable working posture in the waves, preventing the equipment from shifting or being damaged due to shaking. The lower surface of the inner side of the connecting block 2 is provided with a net 8. The lower surface of the net 8 is equipped with sinker rings 9 around its perimeter. The weight of the sinker rings 9 pulls the net 8 downwards, causing it to fully unfold into a cylindrical three-dimensional enclosed space in the water, forming the first layer of protection and aquaculture area of ​​the outer main box. This area can accommodate some fish as an ecological purification zone and also serve as a buffer barrier for the inner micro-net. The upper surface of the connecting block 2 is fixedly equipped with a guardrail 4, which is arranged in a ring shape above the float tube 3. This guardrail provides a safety barrier for operators when walking, feeding, observing, and lifting the box for sampling on the top of the main box, effectively preventing personnel from falling into the water due to wave turbulence and ensuring the safety of offshore operations. The lower surface of the connecting block 2 is provided with a cable 5 on the outer side. The bottom end of the cable 5 is fixedly equipped with a counterweight 6, and the lower surface of the counterweight 6 is provided with a fixed anchor 7, which effectively absorbs the impact energy of wind and waves and ensures the stable positioning of the entire equipment within a limited drift range in strong winds and waves.

[0028] The overall effect of the mechanism is as follows: The entire equipment consists of a double-buoyancy ring body formed by float pipe 1 and float pipe 2, which are rigidly fixed by connecting block 2. The high buoyancy of HDPE material provides overall anti-sinking resistance. The outer ring main box is anchored to the deep sea by the cable 5 on the outer side of the lower surface of connecting block 2, which is connected to the counterweight block 6 and the fixed anchor 7. The anchor chain catenary buffer mechanism and the gravity ballast of the counterweight block are used to anchor the outer ring main box to the deep sea. At the same time, the net 8 is hung on the lower inner surface of the connecting block 2 and the bottom is pulled down by the sinker ring 9 to unfold into a cylindrical closed space to form the first layer of wind and wave protection. On this basis, the inner ring micro net 11 A flexible connection buffer is achieved by connecting the floating ring 10 to the inner side of the connecting block 2. A streamlined lead weight 152 is fixed at the bottom of the vertically fixed through shaft 151 at its center. Utilizing the physical property that the weight always points towards the center of the earth, the vertical state is transmitted in the opposite direction to the entire inner circle micronet 11 frame through the rigid through shaft 151. This forces the micronet to maintain a vertical posture in the waves to counteract the pendulum-like swaying transmitted from the outer main box, ensuring the stability of the water inside the micronet and reducing fish fry being injured by hitting the net. At the same time, the scraping mechanism 14 installed on the lower surface of the inner circle micronet 11 utilizes the ocean current itself. The water-powered self-cleaning mechanism uses ocean currents to impact the turbine blades 143, driving the turbine shaft 142 to rotate within the gearbox 141. Power is then transmitted sequentially through the external meshing of gears 144 and 145 for speed reduction and reversal, and via the connecting shaft 146 to the worm gear 147. After the worm gear 147 engages with the worm 148, the large reduction ratio of the worm gear further reduces the rotational speed to a suitable slow speed for the brush, and a reverse self-locking function prevents turbulence from causing reverse rotation. This drives the rotating ring 149, fixedly installed inside the worm 148, to slowly rotate around the outer surface of the through shaft 151, thus rotating the rotating ring 149. The scraper 1410, fixedly installed on the outer surface, is in close contact with the inner wall of the inner ring micronet 11 and performs slow circumferential scraping. This physically pushes the plankton, organic debris, and algae attached to the mesh to the outside of the mesh and allows them to be carried away by the external water flow, thereby maintaining the mesh unobstructed and ensuring sufficient exchange of water and dissolved oxygen supply between the inner and outer ring micronet 11. The connecting frame 12 and the top plate 13 are fixedly installed on the upper surface of the inner ring micronet 11 as the mounting base for feeding, observation, and aeration equipment. Fish fry are released into the core breeding area inside the inner ring micronet 11, while the net area 8 of the outer ring main box serves as a water flow buffer and ecological purification area.

[0029] Regarding structural materials, floating pipe 1 and floating pipe 3 must be made of high-density polyethylene and have an anti-ultraviolet stabilizer layer to prevent aging and cracking caused by long-term exposure to the sea. Connecting block 2, connecting frame 12, top plate 13, and other metal structural components must be made of 316L stainless steel or high-strength aluminum alloy and undergo anodizing or hot-dip galvanizing to resist seawater chloride ion corrosion. Cable 5 should be made of ultra-high molecular weight polyethylene or polyester fiber braided rope; the use of easily absorbent and rotten natural fiber ropes is strictly prohibited. Counterweight 6 and anchor 7 must be made of concrete or cast iron with a rust-proof coating. The hanging point lugs of the counterweight must be thickened and reinforced. The netting 8 and inner micro-net 11 must be made of ultra-high molecular weight polyethylene or knotless nylon monofilament. The mesh seams must be double-stitched for reinforcement and have an anti-biofouling coating. The sinker ring 9 must be a rubber-coated cast iron ring or a heavy-duty galvanized chain to resist seabed friction. The through shaft 151 and the streamlined lead weight 152 must be protected with a lead-coated stainless steel shell to prevent lead ions from directly leaching out and polluting the water. Transmission components such as the gearbox 141, turbine shaft 142, water turbine blades 143, gear one 144, gear two 145, connecting shaft 146, worm gear 147, and worm 148 must be made of tin bronze and stainless steel worm gear combinations or all-engineering plastic materials. The gearbox body must have a fully enclosed oil bath lubrication design and be equipped with a double-lip skeleton oil seal to prevent seawater from seeping in and corroding the internal bearings. The rotating ring 149 should be made of self-lubricating wear-resistant plastic or stainless steel bearing ring. The scraper 1410 fixedly installed on its outer surface must be made of food-grade soft rubber or silicone, and the side of the scraper that contacts the inner wall of the inner ring micromesh 11 must be smoothly rounded to avoid sharp edges scratching the mesh.

[0030] Before deployment, the seabed sediment survey must be conducted to assess the bottom-holding ability of the fixed anchor 7, and the length of the cable 5 must be calculated strictly according to the water depth to ensure the effective buffering effect of the catenary. The suspension height of the counterweight 6 must be precisely adjusted according to the local maximum wave height and current velocity. If it is suspended too deep, the buffer stroke will be insufficient, which may cause the anchor chain to straighten and be subjected to excessive force. If it is suspended too shallow, the counterweight will be suspended before the storm arrives and lose its ballast effect. In daily aquaculture management, the wear of the connection point between the floating ring 10 and the inner side of the connecting block 2 should be checked, as well as the pull status of the sinker ring 9 at the bottom of the net 8, to prevent the sinker ring from detaching and causing the net to shrink and deform. For the scraping mechanism 14, the oil seal sealing and gear oil level of the gearbox 141 should be checked regularly, and fishing nets, seaweed and other debris wrapped around the water turbine blades 143 should be cleaned. If jamming or abnormal noise is found in the meshing of the worm gear 147 and worm 148, the worn parts should be disassembled and replaced immediately. Before a typhoon arrives, the slack of cable 5 should be increased or a temporary auxiliary anchor chain should be added. Fish fry in the inner micronet 11 can be transferred to a spare net cage or a shore-based temporary holding pond using a fish suction pump. During the strong current season, the adhesion between the scraper 1410 and the inner wall of the inner micronet 11 should be observed, and the dissolved oxygen difference between the inside and outside of the inner micronet 11 should be checked regularly.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves, characterized in that: The device includes a float tube (1) and an inner micro-mesh (11). A connecting block (2) is fixedly installed on the outer surface of the float tube (1). A float tube (3) is fixedly installed inside the connecting block (2). A connecting floating ring (10) is fixedly installed on the inner side of the connecting block (2). One side of the connecting floating ring (10) is fixedly installed on the outer surface of the inner micro-mesh (11). An anti-sway mechanism (15) is provided at the bottom of the inner micro-mesh (11). A scraping mechanism (14) that converts water flow force into scraping force is provided inside the inner micro-mesh (11). The anti-sway mechanism (15) includes a through shaft (151) and a streamlined lead weight (152). The scraping mechanism (14) includes a gearbox (141), a turbine shaft (142), water turbine blades (143), a first gear (144), a second gear (145), a connecting shaft (146), and a worm gear (147).

2. The complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves as described in claim 1, characterized in that: The outer surface of the through shaft (151) is fixedly installed inside the inner ring micromesh (11), and the upper surface of the streamlined lead weight (152) is fixedly installed at the bottom end of the through shaft (151).

3. The complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea according to claim 1, characterized in that: The upper surface of the gearbox (141) is fixedly installed with the lower surface of the inner ring micro-mesh (11). The outer surface of the turbine shaft (142) is rotatably installed with the inner wall of the gearbox (141). One side of the water turbine blade (143) is fixedly installed with the outer surface of the turbine shaft (142). The interior of the first gear (144) is fixedly installed with the outer surface of the gearbox (141). The outer surface of the second gear (145) meshes with the outer surface of the first gear (144), and the first gear (144) is rotatably installed with the inner wall of the inner ring micro-mesh (11). The outer surface of the connecting shaft (146) is fixedly installed with the interior of the second gear (145). One end of the worm gear (147) is fixedly installed with one end of the connecting shaft (146).

4. The complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea according to claim 3, characterized in that: The outer surface of the worm wheel (147) is fitted with a worm (148), and a rotating ring (149) is fixedly installed inside the worm (148).

5. A complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea, as described in claim 4, is characterized in that: The inner wall of the rotating ring (149) is rotatably mounted to the outer surface of the through shaft (151). A scraper (1410) is fixedly mounted on the outer surface of the rotating ring (149), and one side of the scraper (1410) is attached to the inner wall of the inner ring micromesh (11).

6. The complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea according to claim 1, characterized in that: A connecting frame (12) is fixedly installed on the upper surface of the inner ring micromesh (11), and a top plate (13) is fixedly installed on one side of the connecting frame (12).

7. The complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea according to claim 1, characterized in that: The lower surface of the inner side of the connecting block (2) is provided with a mesh (8), and sinker rings (9) are installed around the lower surface of the mesh (8).

8. The complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves as described in claim 1, characterized in that: The upper surface of the connecting block (2) is fixedly equipped with a guardrail (4), and the guardrail (4) is arranged in a ring above the float pipe (3).

9. A complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea, as described in claim 1, characterized in that: A cable (5) is provided on the outer side of the lower surface of the connecting block (2), and a counterweight (6) is fixedly installed at the bottom end of the cable (5). A fixed anchor (7) is provided on the lower surface of the counterweight (6).

10. A complete set of equipment for deep-sea fish fry breeding cages resistant to wind and waves at sea, as described in claim 1, characterized in that: The first float (1) is located on the outside of the overall device, and the second float (3) is located on the inside of the overall device.

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