Combined net cage for marine ecological breeding

Abstract

The invention relates to the technical field of marine ecological breeding, and discloses a combined net cage for marine ecological breeding, the inner side of a top breeding net cage is adjustably connected with a middle breeding net cage, the inner side of the middle breeding net cage is adjustably connected with a bottom breeding net cage, and the bottom end of the bottom breeding net cage is fixedly connected with a bottom net frame; the middle aquaculture net cage is connected to the inner side of the top aquaculture net cage in a sleeved connection mode, and the bottom aquaculture net cage is connected to the inner side of the middle aquaculture net cage in a sleeved connection mode, so that the net cage can be stretched and adjusted in the vertical direction, the overall height of the net cage structure is changed, and the net cage structure is suitable for aquaculture requirements of different water area depths; meanwhile, the capacity of the breeding space in the net cage is changed by adjusting the height of the net cage structure, the breeding space in the net cage can be adaptively adjusted according to changes of the size of the aquatic products, the enough growth space of the aquatic products is guaranteed, and the yield of the aquaculture products is improved to the maximum extent.

Description

Technical Field

[0001] The present invention relates to the technical field of marine ecological aquaculture, and specifically to a combined net cage for marine ecological aquaculture. Background Art

[0002] Marine ecology includes the interrelationships between marine organisms and between marine organisms and their marine environment. The ocean is the cradle of life, harboring a wide variety of marine organisms that provide a large amount of resources for humans every year. It is difficult to breed marine organisms that grow in seawater all year round on land. Using a marine ecological aquaculture net cage for breeding has the advantages of low investment, high yield, mobility, and quick results. The combined net cage for marine ecological aquaculture is a technology for aquaculture using the marine environment. This aquaculture method combines multiple net cages to form a larger aquaculture area. The aquaculture environment of the combined net cage is closer to the living environment of natural organisms compared to a single net cage, which helps to simulate and maintain a good marine ecological balance; However, currently, most of the net cages for ecological aquaculture in the ocean have a relatively fixed structural shape in terms of volume and depth. Different aquatic products require different space capacities, and the volume of aquatic products gradually increases as they grow. However, the internal capacity of the net cage cannot be adjusted, resulting in the inability to meet the adaptive aquaculture needs of aquatic products. At the same time, the aquaculture depth of the net cage in the seawater aquaculture area cannot be adjusted, affecting the aquaculture yield of aquatic products. Summary of the Invention

[0003] (1) Technical Problems to be Solved Aiming at the deficiencies of the prior art, the present invention provides a combined net cage for marine ecological aquaculture, which solves the problems that most of the net cages for ecological aquaculture in the ocean currently have a relatively fixed structural shape in terms of volume and depth. Different aquatic products require different space capacities, and the volume of aquatic products gradually increases as they grow. However, the internal capacity of the net cage cannot be adjusted, resulting in the inability to meet the adaptive aquaculture needs of aquatic products. At the same time, the aquaculture depth of the net cage in the seawater aquaculture area cannot be adjusted, affecting the aquaculture yield of aquatic products.

[0004] (2) Technical Solutions To achieve the above object, the present invention provides the following technical solutions: A combined net cage for marine ecological aquaculture, including a top floating platform. The inner bottom of the top floating platform is fixedly connected with a top aquaculture net cage. The inner top of the top floating platform is detachably connected with a top circular frame. Combination slots are opened at the midpoints of each side of the top floating platform, and adjacent top floating platforms are combined and connected through a connecting floating frame that can resist wave intrusion. The end of the connecting floating frame is snap-connected with the combination slot on the side of the top floating platform through a combination block, and the combination block and the combination slot are combined and snap-connected through a snap structure; The inner side of the top aquaculture cage is adjustably connected to the middle aquaculture cage. The inner side of the middle aquaculture cage is adjustably connected to the bottom aquaculture cage. The bottom end of the bottom aquaculture cage is fixedly connected to a bottom mesh frame. The inner side edges of the top aquaculture cage and the middle aquaculture cage are both connected to splicing tracks. An inner track chute is provided inside the splicing track. The edges of the middle aquaculture cage and the bottom aquaculture cage are respectively adjustably and slidably connected to the splicing tracks at the inner side edges of the top aquaculture cage and the middle aquaculture cage through sliding connection blocks. Both side edges of the sliding connection block are respectively provided with extrusion deformation clamping blocks. A number of groups of spacing-limiting extrusion clamping seats with the same spacing are evenly arranged at the sliding clamping joints between the inner side edges of the track chute and the extrusion deformation clamping blocks.

[0005] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the buoyancy provided by the top floating platform and the connecting floating frame can enable the top aquaculture cage, the middle aquaculture cage, and the bottom aquaculture cage to float on the sea surface.

[0006] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the top aquaculture cage, the middle aquaculture cage, and the bottom aquaculture cage are respectively assembled by sleeving. Filter cloths are arranged at the edges of the top aquaculture cage, the middle aquaculture cage, and the bottom aquaculture cage. The cross-sections of the top aquaculture cage, the middle aquaculture cage, and the bottom aquaculture cage are all hexagonal prisms.

[0007] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the sliding connection block is in close extrusion contact with the spacing-limiting extrusion clamping seats on the inner wall of the track chute through the extrusion deformation clamping blocks on its side. The positions of the middle aquaculture cage and the bottom aquaculture cage are restricted by the restricting actions of the extrusion deformation clamping blocks and the spacing-limiting extrusion clamping seats.

[0008] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, intercepting mesh frames are arranged at the front and rear two side edges of the connecting floating frame. Flow guiding grooves are provided at both side edges of the connecting floating frame. Three groups of flow dividing partitions are equidistantly installed inside the flow guiding grooves. Connecting cross bars are fixedly connected to the edges of the flow dividing partitions. The resistance increasing cylinder is fixedly connected to the edge of the flow dividing partition through the connecting cross bar at its edge. A rotating column is rotatably connected inside the resistance increasing cylinder. Transmission rotating rods are fixedly connected to both side edges of the rotating column. The middle part of the outer side of the resistance increasing cylinder is rotatably connected to the transmission rotating rod through a sealed shaft seat. A driving blade is connected to the end of the transmission rotating rod. A number of groups of deflecting pressing plates are installed at equal angles on the edge of the rotating column. A number of through holes are equidistantly arranged inside the deflecting pressing plates.

[0009] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the flow-dividing partition divides the inside of the diversion groove into four diversion channels, and the inner cavity of the resistance-increasing cylinder is filled with a viscous mineral oil-based damping liquid.

[0010] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the driving rotating rod is rotatably connected to the inside of the sealed shaft seat, the driving blade drives the driving rotating rod and the rotating column to rotate, and the edge end of the deflection pressing plate is in close contact with the inner wall of the resistance-increasing cylinder.

[0011] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the clamping structure includes an embedding groove and a clamping block; On both sides of the combined clamping groove inside the top floating platform, embedding grooves are respectively opened. A clamping spring is fixedly installed inside the embedding groove, a clamping block is fixedly installed at the end of the clamping spring, and a bevel groove is arranged at the end of the clamping block; A pulling horizontal groove communicating with the embedding groove is opened on the top surface of the top floating platform, and the top of the clamping block slides along the pulling horizontal groove through the unlocking pull block; A limiting clamping hole for clamping with the clamping block is opened inside the combined clamping block.

[0012] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the clamping block slides along the embedding groove for guiding and limiting, and the unlocking pull block drives the clamping block to move.

[0013] As a preferred technical solution of the combined cage for marine ecological aquaculture of the present invention, the combined clamping block squeezes the bevel groove at the end of the clamping block by pressing, so that the squeezed clamping block quickly snaps into the limiting clamping hole.

[0014] (III) Beneficial effects Compared with the prior art, the present invention provides a combined cage for marine ecological aquaculture, which has the following beneficial effects: 1. By connecting the middle aquaculture cage in a sleeved connection manner inside the top aquaculture cage, and connecting the bottom aquaculture cage in a sleeved manner inside the middle aquaculture cage, the cage can be stretched and adjusted along its vertical direction to change the overall height of the cage structure, so as to adapt to the aquaculture requirements of different water depths. At the same time, by adjusting the height of the cage structure to change the capacity of its internal aquaculture space, the internal aquaculture space of the cage can be adaptively adjusted according to the change of the volume of aquatic products, ensuring the sufficiency of the growth space of aquatic products and maximizing the output of aquaculture products; Meanwhile, by using the splicing track, the track chute and the sliding connection block, it is convenient to pull and slide the middle aquaculture net cage inside the top aquaculture net cage and the bottom aquaculture net cage inside the middle aquaculture net cage, which is convenient for extension adjustment, making the adjustment process more convenient. And with the extrusion and close contact among the sliding connection block, the extrusion deformation clamping block and the limit extrusion clamping seat, the pulling position of the sliding connection block in the track chute is restricted, so that the overall structural strength of the net cage can be maintained after the net frame is stretched and adjusted, which is convenient for maintaining the stability of the aquaculture space inside the net cage.

[0015] 2. Through the diversion grooves and the diversion partitions arranged inside the connecting floating frame, the sea water is quickly diverted in the diversion grooves, which is convenient for the introduction of the sea water. The intercepting net frame can block the floating objects on the sea surface. The sea water drives the driving blades to rotate through the carrying impact force, the driving blades drive the transmission rotating rod and the rotating column to rotate, and the rotating column drives the deflecting pressing plate to rotate in the resistance increasing cylinder, so that the deflecting pressing plate squeezes the mineral oil-based damping liquid in the resistance increasing cylinder. And the through holes in the deflecting pressing plate can cut the mineral oil-based damping liquid, so as to consume and absorb the impact pressure of the sea water, thereby avoiding the impact of the sea water on the connecting floating frame and affecting the stability of the top floating platform and the net cage, and further ensuring that the combined aquaculture net cage can be stably used for aquaculture.

[0016] 3. Through the connecting floating frame, the combined clamping blocks and the combined clamping grooves, it is convenient to quickly combine and connect two adjacent top floating platforms, so that the net cages can be combined and used on the sea surface. By using the elastic clamping structure composed of the embedding groove, the clamping spring, the clamping block and the bevel groove, the combined clamping block squeezes the bevel groove on the side of the clamping block, so that the clamping block retracts into the embedding groove after squeezing the clamping spring. And based on the reset support of the clamping spring, after the combined clamping block is completely inserted into the combined clamping groove, the clamping block can quickly be inserted into the limit clamping hole to achieve locking, ensuring the stability of the connecting floating frame when combining and connecting the top floating platforms; Meanwhile, in combination with the pulling transverse groove and the unlocking pull block, by pulling the unlocking pull block to move the clamping block, the clamping block is withdrawn from the limit clamping hole, so as to achieve convenient unlocking and facilitate the convenient disassembly of the top floating platform and the connecting floating frame, making the operations of the combination process and the disassembly process simpler and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the structural schematic diagram of the present invention.

[0018] Figure 2 is the structural schematic diagram of the top aquaculture net cage of the present invention.

[0019] Figure 3 is the structural schematic diagram of the middle aquaculture net cage of the present invention.

[0020] Figure 4It is a schematic structural diagram of the sliding connection block of the present invention.

[0021] Figure 5 It is a schematic structural diagram of the splicing track of the present invention.

[0022] Figure 6 It is a schematic structural diagram of the clamping block of the present invention.

[0023] Figure 7 It is a schematic structural diagram of the resistance-increasing cylinder of the present invention.

[0024] Figure 8 It is a schematic structural diagram of the deflection pressing plate of the present invention.

[0025] Figure 9 It is a combined schematic diagram of the top floating platform of the present invention.

[0026] In the figure: 1. Top floating platform; 2. Top aquaculture net cage; 3. Top circular frame; 4. Combined card slot; 5. Connecting floating frame; 6. Middle aquaculture net cage; 7. Bottom aquaculture net cage; 8. Bottom net frame; 9. Splicing track; 10. Track chute; 11. Sliding connection block; 12. Extrusion deformation clamping block; 13. Limit extrusion clamping seat; 14. Combined clamping block; 15. Intercepting net frame; 16. Flow guiding groove; 17. Shunt partition plate; 18. Connecting cross bar; 19. Resistance-increasing cylinder; 20. Rotating column; 21. Transmission rotating rod; 22. Sealing shaft seat; 23. Driving blade; 24. Deflection pressing plate; 25. Penetrating hole; 26. Embedded groove; 27. Clamping spring; 28. Clamping block; 29. Hypotenuse groove; 30. Pulling cross groove; 31. Unlocking pull block; 32. Limit clamping hole. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the scope of the present invention. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present invention.

[0028] In the description of the present invention, it should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive product is customarily placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined. The meaning of "several" is one or more, unless otherwise specifically defined.

[0030] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connect", "couple" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations. Embodiment

[0031] Please refer to Figures 1-9 , the present invention provides the following technical solution: A combined net cage for marine ecological aquaculture, including a top floating platform 1, the inner bottom of the top floating platform 1 is fixedly connected with a top aquaculture net cage 2, the inner top of the top floating platform 1 is detachably connected with a top circular frame 3, combination card slots 4 are opened at the midpoints of the respective sides of the top floating platform 1, and adjacent two top floating platforms 1 are combined and connected through a connecting floating frame 5 that can resist the intrusion of sea waves. The end of the connecting floating frame 5 is snap-connected with the combination card slot 4 on the side of the top floating platform 1 through a combination card block 14, and the combination card block 14 and the combination card slot 4 are combined and snap-connected through a snap connection structure; The inner side of the top aquaculture cage 2 is adjustably connected to the middle aquaculture cage 6, and the inner side of the middle aquaculture cage 6 is adjustably connected to the bottom aquaculture cage 7. The buoyancy provided by the top floating platform 1 and the connecting floating frame 5 can make the top aquaculture cage 2, the middle aquaculture cage 6 and the bottom aquaculture cage 7 float on the sea surface. During the aquaculture process, the top aquaculture cage 2, the middle aquaculture cage 6 and the bottom aquaculture cage 7 can float on the sea surface. The top aquaculture cage 2, the middle aquaculture cage 6 and the bottom aquaculture cage 7 are assembled by sleeving respectively. Filter cloths are arranged on the edges of the top aquaculture cage 2, the middle aquaculture cage 6 and the bottom aquaculture cage 7, and the cross-sections of the top aquaculture cage 2, the middle aquaculture cage 6 and the bottom aquaculture cage 7 are all hexagonal prisms, so that the cage can be stretched and adjusted along its vertical direction, which is convenient to change the overall height of the cage structure and make it suitable for the aquaculture requirements of different water depths. The bottom end of the bottom aquaculture cage 7 is fixedly connected to a bottom mesh frame 8, and the inner side edges of the top aquaculture cage 2 and the middle aquaculture cage 6 are both connected to splicing tracks 9. Track chutes 10 are arranged inside the splicing tracks 9. The edges of the middle aquaculture cage 6 and the bottom aquaculture cage 7 are respectively adjustably and slidably connected to the splicing tracks 9 on the inner side edges of the top aquaculture cage 2 and the middle aquaculture cage 6 through sliding connection blocks 11; On both side edges of the sliding connection block 11, extrusion deformation clamping blocks 12 are respectively arranged. A number of groups of spacing-limiting extrusion clamping seats 13 with the same spacing are evenly arranged at the sliding clamping joints of the inner side edges of the track chute 10 and the extrusion deformation clamping blocks 12. The sliding connection block 11 is in close extrusion contact with the spacing-limiting extrusion clamping seats 13 on the inner wall of the track chute 10 through the extrusion deformation clamping blocks 12 on its side. The positions of the middle aquaculture cage 6 and the bottom aquaculture cage 7 are restricted by the limiting effects of the extrusion deformation clamping blocks 12 and the spacing-limiting extrusion clamping seats 13. By means of the close extrusion contact between the sliding connection block 11, the extrusion deformation clamping blocks 12 and the spacing-limiting extrusion clamping seats 13, the pulling position of the sliding connection block 11 in the track chute 10 is restricted.

[0032] Intercepting mesh frames 15 are arranged on the front and rear two side edges of the connecting floating frame 5, and diversion grooves 16 are arranged on both side edges of the connecting floating frame 5. Three groups of diversion partition plates 17 are equidistantly installed inside the diversion grooves 16. The edges of the diversion partition plates 17 are fixedly connected to connecting cross bars 18. The resistance-increasing cylinders 19 are fixedly connected to the edges of the diversion partition plates 17 through the connecting cross bars 18 at their edges. The diversion partition plates 17 divide the inside of the diversion grooves 16 into four diversion channels. The inner cavity of the resistance-increasing cylinder 19 is filled with a viscous mineral oil-based damping liquid, so that the seawater can be quickly diverted in the diversion grooves 16, which is convenient for the introduction of seawater; A rotating column 20 is rotatably connected inside the resistance-increasing cylinder 19. Transmission rotating rods 21 are fixedly connected to both side edges of the rotating column 20. The middle part on the outside of the resistance-increasing cylinder 19 is rotatably connected to the transmission rotating rod 21 through a sealed shaft seat 22. A driving blade 23 is connected to the end of the transmission rotating rod 21. A plurality of deflection pressing plates 24 are installed at equal angles on the edge of the rotating column 20. The transmission rotating rod 21 is rotatably connected inside the sealed shaft seat 22. The driving blade 23 drives the transmission rotating rod 21 and the rotating column 20 to rotate. The edge of the deflection pressing plate 24 is in close contact with the inner wall of the resistance-increasing cylinder 19. By driving the transmission rotating rod 21 and the rotating column 20 to rotate through the driving blade 23, the rotating column 20 drives the deflection pressing plate 24 to rotate inside the resistance-increasing cylinder 19. The deflection pressing plate 24 squeezes the mineral oil-based damping liquid inside the resistance-increasing cylinder 19, and a number of through holes 25 are equidistantly opened inside the deflection pressing plate 24.

[0033] The clamping structure includes a groove 26 and a clamping block 28; Inside the top floating platform 1, grooves 26 are respectively opened at both end positions of the combined clamping groove 4. A clamping spring 27 is fixedly installed inside the groove 26. A clamping block 28 is fixedly installed at the end of the clamping spring 27. A bevel groove 29 is arranged at the end of the clamping block 28; A pulling transverse groove 30 communicating with the groove 26 is opened on the top surface of the top floating platform 1. The top of the clamping block 28 slides along the pulling transverse groove 30 through an unlocking pull block 31; A limiting clamping hole 32 for clamping with the clamping block 28 is opened inside the combined clamping block 14. The combined clamping block 14 squeezes the bevel groove 29 at the end of the clamping block 28 by pressing down, so that the clamping block 28 is quickly clamped into the limiting clamping hole 32. By squeezing the bevel groove 29 at the side of the clamping block 28 through the combined clamping block 14, the clamping block 28 retracts into the groove 26 after squeezing the clamping spring 27. The clamping block 28 slides along the groove 26 for guiding and limiting. The unlocking pull block 31 drives the clamping block 28 to move. By pulling the unlocking pull block 31 to drive the clamping block 28 to move, the clamping block 28 is withdrawn from the limiting clamping hole 32, thus realizing convenient unlocking.

[0034] Working principle and usage process of the present invention: When used in combined cage farming, two adjacent top floating platforms 1 are quickly combined and connected by the combined clamping block 14 at the end of the connecting floating frame 5 and the combined clamping groove 4 on the side of the top floating platform 1, enabling the cages to be combined and used on the sea surface. Meanwhile, during the combined clamping process between the combined clamping block 14 and the combined clamping groove 4, when the combined clamping block 14 is inserted into the combined clamping groove 4, the inclined groove 29 on the side of the clamping block 28 is squeezed by the combined clamping block 14, causing the clamping block 28 to retract into the embedding groove 26 after squeezing the clamping spring 27. And based on the reset support effect of the clamping spring 27, after the combined clamping block 14 is completely inserted into the combined clamping groove 4, the clamping block 28 can quickly be inserted into the limiting clamping hole 32 to achieve locking, ensuring the stability of the connecting floating frame 5 when combining and connecting the top floating platform 1; After the top floating platforms 1 are combined and connected, when it is necessary to disassemble a single top floating platform 1, the unlocking pull block 31 is pulled to move the clamping block 28, so that the clamping block 28 exits the limiting clamping hole 32, thereby achieving convenient unlocking and facilitating the convenient disassembly of the top floating platform 1 and the connecting floating frame 5, making the operations of the combination process and the disassembly process simpler and more convenient; During the process of cage farming, when it is necessary to adjust its depth and internal space capacity, by using the splicing track 9, the track chute 10 and the sliding connection block 11, it is convenient to pull and slide the middle breeding cage 6 inside the top breeding cage 2 and the bottom breeding cage 7 inside the middle breeding cage 6. It is convenient to connect the middle breeding cage 6 to the inner side of the top breeding cage 2 in a sleeved connection manner, and connect the bottom breeding cage 7 to the inner side of the middle breeding cage 6 in a sleeved manner, so that the cage is stretched and adjusted along its vertical direction to change the overall height of the cage structure and adjust the height of the cage structure to change the capacity of its internal breeding space; When pulling and adjusting the positions among the top breeding cage 2, the middle breeding cage 6 and the bottom breeding cage 7, by means of the squeezing and close contact effect among the sliding connection block 11, the squeezing deformation block 12 and the limiting squeezing seat 13, the pulling position of the sliding connection block 11 in the track chute 10 is restricted, so that the overall structural strength of the cage can be maintained after the net frame is adjusted to the stretched position, and the stability of the internal breeding space of the cage is maintained; During the cage farming process, when the connecting floating frame 5 is impacted by sea waves, by using the diversion groove 16 and the diversion partition 17 inside the connecting floating frame 5, when the sea water impacts the connecting floating frame 5, the sea water is quickly diverted in the diversion groove 16 to facilitate the introduction of the sea water, and the intercepting net frame 15 can block the floating objects on the sea surface; After seawater carries impact force into the diversion groove 16, the driving blade 23 is driven to rotate by the impact pressure of the seawater. The driving blade 23 drives the transmission rotating rod 21 and the rotating column 20 to rotate. The rotating column 20 drives the deflection pressing plate 24 to rotate in the resistance increasing cylinder 19, so that the deflection pressing plate 24 squeezes the mineral oil-based damping liquid in the resistance increasing cylinder 19. The through holes 25 in the deflection pressing plate 24 can cut the mineral oil-based damping liquid, so as to consume and absorb the impact pressure of the seawater and reduce the influence of the seawater impact force on the connecting floating frame 5.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. 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 perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A combined cage for marine ecological aquaculture, comprising a top floating platform (1), characterized in that: The inner bottom of the top floating platform (1) is fixedly connected to a top breeding cage (2), the inner top of the top floating platform (1) is detachably connected to a top round frame (3), the middle end of each side of the top floating platform (1) is provided with a combination slot (4), and two adjacent top floating platforms (1) are combined and connected via a connecting floating frame (5) that can resist the invasion of sea waves, the end of the connecting floating frame (5) is connected by a combination card block (14) and the combination card slot (4) on the side of the top floating platform (1), and the combination card block (14) and the combination card slot (4) are combined and connected via a card connection structure; The inner side of the top breeding net box (2) is adjustably connected to the middle breeding net box (6), the inner side of the middle breeding net box (6) is adjustably connected to the bottom breeding net box (7), the bottom end of the bottom breeding net box (7) is fixedly connected to the bottom net frame (8), the inner side edges of the top breeding net box (2) and the middle breeding net box (6) are both connected to a splicing track (9), a track slide groove (10) is provided inside the splicing track (9), and the side ends of the middle breeding net box (6) and the bottom breeding net box (7) are respectively adjustably slidably connected to the splicing tracks (9) at the inner side edges of the top breeding net box (2) and the middle breeding net box (6) through sliding connection blocks (11); Extrusion deformation blocks (12) are respectively arranged at both side ends of the sliding connection block (11), and a plurality of groups of position limiting extrusion clamping seats (13) with the same spacing are evenly arranged at the sliding clamping point between the inner side end of the track slide groove (10) and the extrusion deformation block (12).

2. The combined net cage for marine ecological aquaculture according to claim 1, characterized in that: The buoyancy provided by the top floating platform (1) and the connecting floating frame (5) can allow the top aquaculture cage (2), the middle aquaculture cage (6) and the bottom aquaculture cage (7) to be suspended on the sea surface.

3. The combined net cage for marine ecological aquaculture according to claim 1, characterized in that: The top breeding net cage (2), the middle breeding net cage (6) and the bottom breeding net cage (7) are assembled and combined by inserting each other, and the edges of the top breeding net cage (2), the middle breeding net cage (6) and the bottom breeding net cage (7) are all provided with filter cloths, and the cross-sections of the top breeding net cage (2), the middle breeding net cage (6) and the bottom breeding net cage (7) are all hexagonal.

4. The combined net cage for marine ecological aquaculture according to claim 1, characterized in that: The sliding connection block (11) is in close extrusion contact with the limiting extrusion clamping seat (13) on the inner wall of the track slide groove (10) through the extrusion deformation clamping block (12) on its side, and the position of the middle breeding net cage (6) and the bottom breeding net cage (7) are limited by the limiting effect of the extrusion deformation clamping block (12) and the limiting extrusion clamping seat (13).

5. The combined net cage for marine ecological aquaculture according to claim 1, characterized in that: The front and rear sides of the connecting floating frame (5) are both provided with interception net frames (15), and the side sides of the connecting floating frame (5) are both provided with guide grooves (16), and three groups of diversion baffles (17) are equidistantly installed inside the guide grooves (16), and the side ends of the diversion baffles (17) are fixedly connected with connecting cross bars (18), and the resistance-increasing cylinder (19) is fixedly connected to the side of the diversion baffle (17) through the connecting cross bars (18) at the side ends thereof; The resistance-increasing cylinder (19) is rotatably connected to a rotating column (20) inside, and the two side edges of the rotating column (20) are fixedly connected to a transmission rotating rod (21). The middle part of the outer side of the resistance-increasing cylinder (19) is rotatably connected to the transmission rotating rod (21) via a sealing shaft seat (22), and the end of the transmission rotating rod (21) is connected to a driving blade (23). Multiple groups of deflection pressure plates (24) are installed at equal angles on the side ends of the rotating column (20), and a plurality of penetration holes (25) are opened at equal distances inside the deflection pressure plates (24).

6. The combined net cage for marine ecological aquaculture according to claim 5, characterized in that: The flow dividing partition (17) divides the flow guide groove (16) into four flow guide channels, and the internal cavity of the resistance increasing cylinder (19) is filled with a mineral oil-based damping liquid in a viscous state.

7. A combined net cage for marine ecological aquaculture according to claim 6, characterized in that: The transmission rotating rod (21) is rotatably connected to the inner side of the sealing shaft seat (22), the driving blade (23) drives the transmission rotating rod (21) and the rotating column (20) to rotate, and the edge of the deflection pressure plate (24) is in close contact with the inner wall of the resistance increasing cylinder (19).

8. The combined net cage for marine ecological aquaculture according to claim 1, characterized in that: The clamping structure comprises a clamping groove (26) and a clamping block (28); The top floating platform (1) is provided with embedding grooves (26) at both side ends of the combined embedding groove (4), a clamping spring (27) is fixedly installed inside the embedding groove (26), a clamping block (28) is fixedly installed at the end of the clamping spring (27), and a bevel groove (29) is provided at the end of the clamping block (28); The top surface of the top floating platform (1) is provided with a pulling transverse groove (30) which is connected to the embedding groove (26); the top of the clamping block (28) slides along the pulling transverse groove (30) by unlocking the pulling block (31); The combination clamping block (14) is provided with a limiting clamping hole (32) inside thereof for clamping with the clamping block (28).

9. The combined net cage for marine ecological aquaculture according to claim 8, characterized in that: The clamping block (28) slides along the embedding groove (26) in a guided limited manner, and the unlocking pull block (31) drives the clamping block (28) to move.

10. The combined net cage for marine ecological aquaculture according to claim 8, characterized in that: The combined clamping block (14) squeezes the bevel groove (29) at the end of the clamping block (28) by pressing downward, so that the clamping block (28) is quickly clamped into the limiting clamping hole (32).

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