CN108477044B - Large-scale floating culture platform net cage structure - Google Patents
Large-scale floating culture platform net cage structure Download PDFInfo
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- CN108477044B CN108477044B CN201810106725.7A CN201810106725A CN108477044B CN 108477044 B CN108477044 B CN 108477044B CN 201810106725 A CN201810106725 A CN 201810106725A CN 108477044 B CN108477044 B CN 108477044B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention relates to a large-scale floating type culture platform net cage structure, which comprises an outer frame, an inner frame and a net; the outer frame is integrally in a frustum pyramid shape with a contracted bottom end, four top angles of the upper frame and the lower frame are respectively connected through bearing cable pieces, and triangular supports are respectively arranged at the positions of the four top angles of the upper frame and the lower frame; the whole inner frame is in a frustum pyramid shape with the contracted bottom end, the shape of the upper frame is matched with the shape of the inner edge of the upper frame and is connected with the upper frame, the shape of the lower frame is matched with the shape of the inner edge of the lower frame and is connected with the lower frame, the upper frame and the lower frame are connected through eight connecting cable pieces, the front side surface, the rear side surface, the left side surface, the right side surface and the front side surface of the inner frame are rectangular, and trapezoidal angle side surfaces are formed among the front side surface; the bottom surface, the front side, the rear side, the left side, the right side and the four corners of the inner frame are provided with netting, and the netting on the front side and the rear side is a copper alloy net. The invention can avoid the stress of the netting, reduce the friction between the netting and the culture platform, prolong the service life of the net cage and ensure the exchange of water bodies inside and outside the culture net cage.
Description
Technical Field
The invention belongs to the technical field of aquaculture net cages, and particularly relates to a large floating type aquaculture platform net cage structure.
Background
In the existing large-scale floating culture platform, the culture net cages for fishery culture mostly adopt net cages with built-in hooks. On one hand, the net cage structure in the large floating type culture platform is large, the weight is large, and the stress of the net in the existing net cage structure is large; on the other hand, the box bottom of the net-hanging net box is relatively free and generates follow-up under the flowing action of water flow, so that the side net clothes of the net box can generate friction with the bottom edge of the floating culture platform. The net clothing of the net cage can be damaged due to the reasons, so that the loss of fishery culture is caused. In addition, the netting of the existing net hanging cage adopts a common warp-knitted nylon net, the biological adhesiveness is strong, and the exchange of water inside and outside the net cage is influenced by long-time cultivation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a large floating culture platform net cage structure, which avoids the stress of a net, reduces the friction between the net and a culture platform and ensures the exchange of water bodies inside and outside the culture net cage.
The technical scheme adopted by the invention for solving the technical problem is to provide a large-scale floating type culture platform net cage structure, which comprises an outer frame, an inner frame and a net;
the outer frame comprises an upper frame, a lower frame and four bearing cable pieces, the whole outer frame is in a frustum pyramid shape with the contracted bottom end, four top angles of the upper frame are connected with four top angles of the lower frame through the four bearing cable pieces respectively, and triangular supports are arranged at the positions of the four top angles of the upper frame and the positions of the four top angles of the lower frame respectively;
the inner frame comprises an upper frame, a lower frame and eight connecting cable pieces, the upper frame is in a truncated rectangle matched with the inner edge of the upper frame in shape and is connected with the upper frame, the lower frame is in a truncated rectangle matched with the inner edge of the lower frame in shape and is connected with the lower frame, the upper frame and the lower frame are connected through the eight connecting cable pieces, the inner frame is integrally in a frustum shape with a contracted bottom end, the front side surface, the rear side surface, the left side surface, the right side surface and the left side surface are in a rectangle shape, and trapezoidal corner side;
the bottom surface, the front side, the rear side, the left side, the right side and the four corners of the inner frame are provided with netting, and the netting on the front side and the rear side is a copper alloy net.
The upper frame is provided with a detachable middle support along the front-back direction, and two ends of the middle support are bearing cable pieces.
And a first operating platform is arranged at the top angle position of the upper frame through a triangular support.
An anti-escape net is arranged above the upper frame.
The upper frame is provided with a first operating platform, the first operating platform is supported on the floating platform through a support rod, the floating platform is arranged on the middle support, and the anti-escape mesh cloth is arranged between the first operating platform and the upper frame.
The bearing cable piece is a steel cable which comprises a heat shrinkage tube and a steel wire bundle, the steel wire bundle is arranged in the heat shrinkage tube, and the heat shrinkage tube is internally coated with glue and fastened with the steel wire bundle through heat shrinkage treatment.
The copper alloy meshes on the front side and the rear side of the inner frame are formed by splicing a plurality of copper alloy meshes with the same size, a lacing line is arranged between every two adjacent copper alloy meshes, two ends of the lacing line are respectively connected with the upper frame and the lower frame, the adjacent copper alloy meshes are connected in series through spiral copper alloy wires, and the lacing line penetrates through the spiral copper alloy wires.
The netting of the bottom surface, the left side surface and the right side surface of the inner frame is formed by splicing net pieces, the peripheries of the net pieces are wrapped by rope lines, the rope lines connected with the inner frame are arranged between the adjacent net pieces, and the three rope lines between the adjacent net pieces are connected through spiral copper alloy wires.
The netting on the bottom surface, the left side surface, the right side surface and the four corner side surfaces of the inner frame is made of warp-knitted nylon net.
And the bottom of the inner frame is provided with a cross support piece.
Advantageous effects
Firstly, the net cage is connected to the floating culture platform through the bearing cable members of the outer frame, the whole stress of the net cage is borne by the outer frame, particularly the bearing cable members, the direct stress of the netting on the inner frame is avoided, and the possibility of tearing the netting is effectively reduced.
Secondly, the netting of the net cage is arranged in the inner frame, the inner frame is arranged in the outer frame, and the net cage can be effectively prevented from deforming under the limiting action of the outer frame, so that the volume ratio of net cage culture is ensured; on the other hand, the net is prevented from being impacted by wave flow to generate a follow-up effect, so that the net is effectively prevented from being damaged due to friction with the floating culture platform.
Thirdly, the integral structure of the net cage is in a prismoid shape with a large upper part and a small lower part, the contraction of the bottom of the net cage can further reduce the contact chance between the netting and the bottom edge of the floating culture platform, prevent the occurrence of friction damage and prolong the service life of the net cage.
Fourthly, the net cages are mostly arranged in the water body flowing in the front-back two-way flow direction, and the net clothes on the front side and the back side are arranged into the copper alloy nets, so that the biological attachment can be effectively reduced by utilizing the sterilization characteristic of the copper alloy, and the water body exchange between the inside and the outside of the net cages is ensured. And the netting on other side surfaces preferably adopts a common warp knitted net, so that not only can the cost be reduced, but also the weight of the net cage can be reduced.
Fifthly, the netting is installed in a mesh splicing mode, so that the transportation, loading and unloading are facilitated.
And sixthly, the triangular structure at the vertex angle position of the net cage can be used for directly constructing the operating platform, so that the construction of auxiliary facilities is reduced, and the engineering cost is reduced.
Seventh, the internal net cage and the external frame can be disassembled during installation construction and fish capturing, and operation is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention (without an anti-escape net).
Fig. 2 is a schematic structural diagram (provided with an anti-escape net) of the invention.
FIG. 3 is a schematic structural diagram of an outer frame according to the present invention.
Fig. 4 is a schematic structural view of the inner frame of the present invention.
Fig. 5 is a schematic view showing a structure in which the net of the present invention is mounted to the inner frame.
Figure 6 is a schematic view of the construction of the load bearing cord member of the present invention.
FIG. 7 is a schematic structural diagram of the copper alloy mesh splicing of the present invention.
FIG. 8 is a schematic view of the structure of the warp knitted mesh splicing of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
The large-scale floating culture platform net cage structure shown in figure 1 comprises an outer frame 1, an inner frame 2 and a net 3.
As shown in fig. 3, the outer frame 1 includes an upper frame 11, a lower frame 12, and four load-bearing cable members 13, and the outer frame 1 is shaped like a truncated pyramid with a contracted bottom end as a whole. The upper frame 11 is made of a single pipe made of HDPE material, the whole body is rectangular, and triangular supports 14 are respectively arranged at four vertex angles of the upper frame 11 to form an isosceles right triangle structure. The lower frame 12 is made of an anti-corrosion composite steel pipe through single pipe welding, the whole body is rectangular, the size of the lower frame is smaller than that of the upper frame 11, and triangular supports 14 are arranged at four top angles of the lower frame 12 respectively to form an isosceles right triangle structure. The four top corners of the upper frame 11 and the lower frame 12 are connected through four bearing cable members 13, the upper ends of the four bearing cable members 13 need to be connected to the floating cultivation platform, the bearing cable members 13 are steel cables, as shown in fig. 6, each steel cable comprises a heat shrink tube 131 and a steel wire bundle 132, the steel wire bundle 132 is arranged inside the heat shrink tube 131, and the heat shrink tube 131 is internally glued and fastened with the steel wire bundle 132 through heat shrink treatment.
The upper frame 11 is provided with a detachable middle support 15 along the front-back direction, two ends of the middle support 15 are respectively provided with a bearing cable 13, and the two bearing cable 13 are also connected to the floating culture platform. The vertex angle position of upper frame 11 establishes first operation platform through triangular supports 14, and the support can be established as required to its isosceles right triangle-shaped structure inside can adding.
As shown in fig. 4, the inner frame 2 includes an upper frame 21, a lower frame 22 and eight connecting cable members 23, the inner frame 2 is made of eight strands of nylon steel ropes, and the whole inner frame 2 is also in a truncated pyramid shape with a contracted bottom end. The shape of the upper frame 21 is matched with the shape of the inner edge of the upper frame 11, the upper frame 21 is in a truncated rectangular structure, and the upper frame 21 is connected with the upper frame 11. The shape of the lower frame 22 matches the shape of the inner edge of the lower frame 12, and the lower frame 22 is connected to the lower frame 12 in a truncated rectangular structure. The upper frame 21 and the lower frame 22 are connected through eight connecting cable pieces 23 to form a frustum shape with a contracted bottom end, the front side surface, the rear side surface, the left side surface, the right side surface and the front side surface of the inner frame 2 are rectangular, and trapezoidal corner side surfaces are formed between the front side surface, the rear side surface, the left side surface, the right side surface and the left side surface. The bottom of the inner frame 2 is provided with cross supports 24, which can support and reinforce the bottom of the inner frame 2.
As shown in fig. 5, the bottom surface, the front, rear, left and right side surfaces and the four corner side surfaces of the inner frame 2 are provided with netting 3, wherein the netting 3 on the front and rear side surfaces is made of copper alloy oblique square net, and the netting 3 on the other side surfaces is made of warp knitting nylon net.
The copper alloy meshes on the front side and the rear side are formed by splicing a plurality of copper alloy meshes 31 with the same size, as shown in fig. 7, a lacing line 32 is arranged between the adjacent copper alloy meshes 31, two ends of the lacing line 32 are respectively connected with the upper frame 21 and the lower frame 22, the adjacent copper alloy meshes 31 are connected in series through spiral copper alloy wires 33, and the lacing line 32 penetrates through the spiral copper alloy wires 33. The net cage is mostly arranged in water bodies with front and back two-way flow directions, and the netting 3 on the front side and the back side is arranged into a copper alloy net, so that biological attachment can be effectively reduced by utilizing the sterilization characteristic of the copper alloy, and the exchange of the inside and the outside of the net cage with the water bodies is ensured. The net pieces are spliced for installation, so that the transportation, loading and unloading are facilitated.
The netting 3 on the bottom surface and the left and right side surfaces of the inner frame 2 are spliced by mesh sheets 34 of warp-knitted nylon meshes, and the peripheries of the mesh sheets 34 are covered with lacing lines 32. As shown in fig. 8, ropes 32 connected to the inner frame 2 are provided between adjacent mesh sheets 34, and three ropes 32 between adjacent mesh sheets 34 are connected by spiral steel wires 33. The warp knitting nylon net is selected for the netting 3 on the other side surfaces except the front side surface and the rear side surface, so that the cost can be reduced, and the weight of the net cage can be reduced.
This large-scale floating culture platform box with a net structure, through outer frame 1 especially bearing cable spare 13 atress heavily, avoided the clothing 3 atress, reduced the clothing 3 and torn the damage probably, can effectively prevent simultaneously that the clothing 3 from taking place the friction with culture platform, avoid causing the damage, improved the life of box with a net.
Example 2
The large-scale floating culture platform net cage structure shown in fig. 2 comprises an outer frame 1, an inner frame 2, a net 3 and an anti-escape net 4.
As shown in fig. 3, the outer frame 1 includes an upper frame 11, a lower frame 12, and four load-bearing cable members 13, and the outer frame 1 is shaped like a truncated pyramid with a contracted bottom end as a whole. The upper frame 11 is made of a single pipe made of HDPE material, the whole body is rectangular, and triangular supports 14 are respectively arranged at four vertex angles of the upper frame 11 to form an isosceles right triangle structure. The lower frame 12 is made of an anti-corrosion composite steel pipe through single pipe welding, the whole body is rectangular, the size of the lower frame is smaller than that of the upper frame 11, and triangular supports 14 are arranged at four top angles of the lower frame 12 respectively to form an isosceles right triangle structure. The four top corners of the upper frame 11 and the lower frame 12 are connected through four bearing cable members 13, the upper ends of the four bearing cable members 13 need to be connected to the floating cultivation platform, the bearing cable members 13 are steel cables, as shown in fig. 6, each steel cable comprises a heat shrink tube 131 and a steel wire bundle 132, the steel wire bundle 132 is arranged inside the heat shrink tube 131, and the heat shrink tube 131 is internally glued and fastened with the steel wire bundle 132 through heat shrink treatment.
The upper frame 11 is provided with a detachable middle support 15 along the front-back direction, two ends of the middle support 15 are respectively provided with a bearing cable 13, and the two bearing cable 13 are also connected to the floating culture platform. The vertex angle position of upper frame 11 establishes first operation platform through triangular supports 14, and the support can be established as required to its isosceles right triangle-shaped structure inside can adding.
As shown in fig. 4, the inner frame 2 includes an upper frame 21, a lower frame 22 and eight connecting cable members 23, the inner frame 2 is made of eight strands of nylon steel ropes, and the whole inner frame 2 is also in a truncated pyramid shape with a contracted bottom end. The shape of the upper frame 21 is matched with the shape of the inner edge of the upper frame 11, the upper frame 21 is in a truncated rectangular structure, and the upper frame 21 is connected with the upper frame 11. The shape of the lower frame 22 matches the shape of the inner edge of the lower frame 12, and the lower frame 22 is connected to the lower frame 12 in a truncated rectangular structure. The upper frame 21 and the lower frame 22 are connected through eight connecting cable pieces 23 to form a frustum shape with a contracted bottom end, the front side surface, the rear side surface, the left side surface, the right side surface and the front side surface of the inner frame 2 are rectangular, and trapezoidal corner side surfaces are formed between the front side surface, the rear side surface, the left side surface, the right side surface and the left side surface. The bottom of the inner frame 2 is provided with cross supports 24, which can support and reinforce the bottom of the inner frame 2.
As shown in fig. 5, the bottom surface, the front, rear, left and right side surfaces and the four corner side surfaces of the inner frame 2 are provided with netting 3, wherein the netting 3 on the front and rear side surfaces is made of copper alloy oblique square net, and the netting 3 on the other side surfaces is made of warp knitting nylon net.
The copper alloy meshes on the front side and the rear side are formed by splicing a plurality of copper alloy meshes 31 with the same size, as shown in fig. 7, a lacing line 32 is arranged between the adjacent copper alloy meshes 31, two ends of the lacing line 32 are respectively connected with the upper frame 21 and the lower frame 22, the adjacent copper alloy meshes 31 are connected in series through spiral copper alloy wires 33, and the lacing line 32 penetrates through the spiral copper alloy wires 33. The net cage is mostly arranged in water bodies with front and back two-way flow directions, and the netting 3 on the front side and the back side is arranged into a copper alloy net, so that biological attachment can be effectively reduced by utilizing the sterilization characteristic of the copper alloy, and the exchange of the inside and the outside of the net cage with the water bodies is ensured. The net pieces are spliced for installation, so that the transportation, loading and unloading are facilitated.
The netting 3 on the bottom surface and the left and right side surfaces of the inner frame 2 are spliced by mesh sheets 34 of warp-knitted nylon meshes, and the peripheries of the mesh sheets 34 are covered with lacing lines 32. As shown in fig. 8, ropes 32 connected to the inner frame 2 are provided between adjacent mesh sheets 34, and the three ropes 32 between the adjacent mesh sheets 34 are connected by spiral copper alloy wires 33. The warp knitting nylon net is selected for the netting 3 on the other side surfaces except the front side surface and the rear side surface, so that the cost can be reduced, and the weight of the net cage can be reduced.
As shown in fig. 2, the escape prevention net 4 is disposed above the upper frame 11. The top of upper ledge 11 is equipped with second operation platform 5, and second operation platform 5 supports on floating platform 6 through the bracing piece, and floating platform 6 sets up on middle support 15 for second operation platform 5 can be along with the upper ledge 21 of inside casing 2 along with the rivers swing, and anti-escape net 4 is laid between second operation platform 5 and upper ledge 21 through flexible rope.
This large-scale floating culture platform box with a net structure, through outer frame 1 especially bearing cable spare 13 atress heavily, avoided the clothing 3 atress, reduced the clothing 3 and torn the damage probably, can effectively prevent simultaneously that the clothing 3 from taking place the friction with culture platform, avoid causing the damage, improved the life of box with a net.
Claims (10)
1. The utility model provides a large-scale floating culture platform net cage structure which characterized in that: comprises an outer frame (1), an inner frame (2) and a netting (3); the outer frame (1) comprises an upper frame (11), a lower frame (12) and four bearing cable pieces (13), the whole outer frame (1) is in a frustum pyramid shape with a contracted bottom end, four top corners of the upper frame (11) are connected with four top corners of the lower frame (12) through the four bearing cable pieces (13), and triangular supports (14) are arranged at the positions of the four top corners of the upper frame (11) and the positions of the four top corners of the lower frame (12) respectively;
the inner frame (2) comprises an upper frame (21), a lower frame (22) and eight connecting cable pieces (23), the upper frame (21) is in a truncated rectangle matched with the inner edge of the upper frame (11) in shape and is connected with the upper frame (11), the lower frame (22) is in a truncated rectangle matched with the inner edge of the lower frame (12) in shape and is connected with the lower frame (12), the upper frame (21) and the lower frame (22) are connected through the eight connecting cable pieces (23), the inner frame (2) is integrally in a frustum shape with a contracted bottom end, the front side face, the rear side face, the left side face, the right side face and the left side face are in a rectangular shape, and trapezoidal angle side faces are formed;
the bottom surface, the front side, the rear side, the left side, the right side and the four corners of the inner frame (2) are provided with netting (3), and the netting (3) on the front side and the rear side are copper alloy nets.
2. The large floating aquaculture platform net cage structure of claim 1, wherein: the upper frame (11) is provided with a detachable middle support (15) along the front-back direction, and two ends of the middle support (15) are provided with bearing cable pieces (13).
3. The large floating aquaculture platform net cage structure of claim 1, wherein: and a first operating platform is arranged at the top corner position of the upper frame (11) through a triangular support (14).
4. The large floating aquaculture platform net cage structure of claim 1, wherein: an anti-escape net (4) is arranged above the upper frame (11).
5. The large floating aquaculture platform net cage structure of claim 4, wherein: the upper frame (11) is provided with a second operating platform (5) above, the second operating platform (5) is supported on the floating platform (6) through a support rod, the floating platform (6) is arranged on the detachable middle support (15), and the anti-escape net (4) is arranged between the second operating platform (5) and the upper frame (21).
6. The large floating aquaculture platform net cage structure of claim 1, wherein: the bearing cable piece (13) is a steel cable which comprises a heat shrinkable tube (131) and a steel wire bundle (132), the steel wire bundle (132) is arranged inside the heat shrinkable tube (131), and the heat shrinkable tube (131) is internally coated with glue and fastened with the steel wire bundle (132) through heat shrinkage treatment.
7. The large floating aquaculture platform net cage structure of claim 1, wherein: the copper alloy nets on the front side and the rear side of the inner frame (2) are formed by splicing a plurality of copper alloy net pieces (31) with the same size, rope lines (32) are arranged between every two adjacent copper alloy net pieces (31), two ends of each rope line (32) are respectively connected with the upper frame (21) and the lower frame (22), the adjacent copper alloy net pieces (31) are connected in series through spiral copper alloy wires (33), and the rope lines (32) penetrate through the spiral copper alloy wires (33).
8. The large floating aquaculture platform net cage structure of claim 1, wherein: the netting (3) on the bottom surface, the left side surface and the right side surface of the inner frame (2) are formed by splicing net pieces (34), the peripheries of the net pieces (34) are wrapped by rope lines (32), the rope lines (32) connected with the inner frame (2) are arranged between the adjacent net pieces (34), and the three rope lines (32) between the adjacent net pieces (34) are connected through spiral copper alloy wires (33).
9. A large floating vessel net cage structure according to claim 1 or 8, wherein: the netting (3) on the bottom surface, the left side surface, the right side surface and the four corner side surfaces of the inner frame (2) is made of warp knitting nylon net.
10. The large floating aquaculture platform net cage structure of claim 1, wherein: and the bottom of the inner frame (2) is provided with a cross support piece (24).
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| CN201810106725.7A CN108477044B (en) | 2018-02-02 | 2018-02-02 | Large-scale floating culture platform net cage structure |
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| CN201810106725.7A CN108477044B (en) | 2018-02-02 | 2018-02-02 | Large-scale floating culture platform net cage structure |
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| CN108477044B true CN108477044B (en) | 2020-10-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7227097B2 (en) * | 2019-07-19 | 2023-02-21 | 日鉄エンジニアリング株式会社 | submersible fish tank |
| CN113317251B (en) * | 2021-06-04 | 2023-01-31 | 明阳智慧能源集团股份公司 | Installation method of netting of large steel structure aquaculture net cage |
| CN114375885B (en) * | 2022-02-08 | 2022-10-11 | 中国水产科学研究院南海水产研究所 | Method for installing and debugging netting of large-scale aquaculture fishery with ship-shaped truss structure |
| CN114375884B (en) * | 2022-02-08 | 2022-11-01 | 中国水产科学研究院南海水产研究所 | Method for designing assembling process of large-scale aquaculture fishery netting with ship-shaped truss structure |
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| CN2488289Y (en) * | 2001-07-28 | 2002-05-01 | 张朝晖 | Sea-water aquiculture net-box with frame fixed structure |
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