CN216874529U - Lifting type aquaculture net cage - Google Patents
Lifting type aquaculture net cage Download PDFInfo
- Publication number
- CN216874529U CN216874529U CN202122950782.3U CN202122950782U CN216874529U CN 216874529 U CN216874529 U CN 216874529U CN 202122950782 U CN202122950782 U CN 202122950782U CN 216874529 U CN216874529 U CN 216874529U
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- China
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- net cage
- ballast
- main body
- pipes
- stand column
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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 utility model discloses a lifting aquaculture net cage, which comprises a net cage main body, a floating body, a ballast device and a single-point mooring device, wherein the net cage main body comprises a frame and a netting arranged on the frame, the floating body is arranged on an upper ring of the frame and used for providing buoyancy for the net cage main body, the ballast device is arranged on a lower ring of the frame, the net cage main body is lifted or lowered by water inflow or drainage of the ballast device, one end of the single-point mooring device is connected with the net cage main body, the other end of the single-point mooring device extends downwards and is fixed to a seabed, and the net cage main body is moored on the seabed through the single-point mooring device. The aquaculture net cage can effectively improve the wind and wave resistance of the net cage.
Description
Technical Field
The utility model relates to the technical field of marine aquaculture, in particular to a lifting aquaculture net cage.
Background
The cage culture technology is that net sheets are assembled into a box body with a certain shape, and water bodies inside and outside the cage are exchanged through meshes, so that a running water environment suitable for fish life is formed in the cage. With the continuous development of cage culture technology and the gradual maturity of the technology, the culture cages near shallow sea are difficult to meet the requirements of the gradual development. As the aquaculture net cage moves to deep and far sea, sea surface of the deep and far sea area has large wave and ocean current, which seriously threatens the safety of the aquaculture net cage, and how to improve the wind and wave resistance of the net cage is an important subject facing the field of deep and far sea net cage aquaculture.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a lifting type aquaculture net cage which can effectively improve the wind and wave resistance of the net cage.
In order to realize the purpose, the technical scheme provided by the utility model is as follows: a lifting type aquaculture net cage comprises a net cage main body, wherein the net cage main body comprises a frame and a netting arranged on the frame, the frame comprises an upper ring, a lower ring, stand columns, a central stand column, an upper inclined strut and a lower inclined strut, the upper ring and the lower ring are arranged in parallel and connected through a plurality of stand columns, the central stand column is arranged at the center of the upper ring and the lower ring, the top of the central stand column is connected with the top of each stand column through the upper inclined strut, and the bottom of the central stand column is connected with the bottom of each stand column through the lower inclined strut; the net cage body is arranged on the upper ring and used for providing buoyancy for the net cage body, the ballast device is arranged on the lower ring, water is fed or drained through the ballast device to achieve rising or falling of the net cage body, one end of the single-point mooring device is connected with the net cage body, the other end of the single-point mooring device extends downwards and is fixed to the seabed, and the net cage body is moored on the seabed through the single-point mooring device.
Further, the single-point mooring device comprises a buoy, a chain stopper, an anchor chain, a shackle, an anchor and a cable guide hole, wherein the buoy is placed inside the central stand column and can float on the water surface, the chain stopper is fixed inside the central stand column and is positioned below the buoy, one end of the anchor chain is connected with the buoy, and the other end of the anchor chain sequentially penetrates through the chain stopper, downwards extends through the cable guide hole formed in the bottom of the central stand column and is connected with the anchor fixed on the seabed through the shackle.
Further, the ballast device comprises a plurality of hollow pipes, connecting pieces, ballast pipes, vent pipes and valves, the hollow pipes are uniformly arranged along the circumferential direction of the lower ring as ballast compartments of the net cage main body, the vent pipes and the ballast pipes are respectively connected between every two adjacent hollow pipes, the vent pipes and the ballast pipes are respectively connected to the top surfaces and the bottom surfaces of the two hollow pipes, and the vent pipes are provided with valves for controlling the air intake or the air exhaust of the ballast compartments; and opening a valve of the vent pipe and filling seawater into the ballast tank through the ballast pipe by means of a gravity type water inlet mode to realize the descending of the net cage main body, or opening the valve of the vent pipe to fill air into the ballast tank and discharging the seawater in the ballast tank through the ballast pipe to realize the ascending of the net cage main body.
Further, the hollow tube is an HDPE tube.
Further, the float comprises a plurality of hollow tubes arranged circumferentially along the upper ring.
Further, the hollow tube is an HDPE tube.
Furthermore, the lower ring, the upper ring and the upright post, the central upright post and the inclined strut are respectively connected through flanges.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the characteristics of the waves, the net cage can be settled to a certain depth under the water when encountering the heavy waves, so that the economic loss caused by the damage of typhoons and heavy waves to the net cage and the escape of broken fishes from the net is effectively avoided.
2. Compared with a distributed mooring device, the single-point mooring device adopted by the utility model has the advantages that the whole aquaculture net cage occupies a small sea area, and a larger number of aquaculture net cages can be arranged in the same sea area.
3. The aquaculture net cage has the advantages that the main body of the net cage is similar to a tumbler through the ballast device and the single-point mooring device, and the aquaculture net cage has good stability no matter the aquaculture net cage floats on the water surface or submerges into the water.
4. The utility model adopts the construction modes of factory prefabrication and wharf field assembly, and the whole mooring device has the advantages of simple structure, reliable performance, simple lifting operation of the aquaculture net cage, low cost and great popularization value.
Drawings
FIG. 1 is a top view of the present invention.
Fig. 2 is a bottom view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic view of the structure of the ballast apparatus of the present invention.
Fig. 6 is a schematic structural diagram of a single point mooring apparatus of the present invention.
Detailed Description
The present invention is further illustrated with reference to the following specific examples, but the mode of use of the present invention is not limited thereto.
As shown in fig. 1 to 4, the elevating aquaculture net cage of this embodiment includes a main cage body, the main cage body includes a frame and a netting 2 fixed around, on the top of, and on the bottom of the frame, wherein the frame includes an upper ring 101, a lower ring 102, vertical columns 103, a central vertical column 104, upper diagonal braces 105, and lower diagonal braces 106, the upper ring 101 and the lower ring 102 are arranged in parallel and connected by a plurality of vertical columns 103, the central vertical column 104 is arranged at the center of the upper ring 101 and the lower ring 102, the top of the central vertical column 104 is connected with the top of each vertical column 103 by the upper diagonal braces 105, and the bottom of the central vertical column 104 is connected with the bottom of each vertical column 103 by the lower diagonal braces 106; the net cage is characterized by further comprising a floating body, a ballast device and a single-point mooring device, wherein the floating body is arranged on the upper ring 101 and comprises a plurality of HDPE hollow pipes 201 arranged along the circumferential direction of the upper ring 101, each hollow pipe 201 is fixedly connected with the upper ring 101 through a connecting piece 202, buoyancy is provided for the net cage main body through the floating body, the ballast device is arranged on the lower ring 102, the net cage main body is lifted or lowered through water inlet or drainage of the ballast device, one end of the single-point mooring device is connected with the net cage main body, the other end of the single-point mooring device extends downwards and is fixed to the seabed, and the net cage main body is moored to the seabed through the single-point mooring device.
As shown in fig. 5, the single point mooring apparatus includes a buoy 401, an anchor chain 402, a shackle 403, an anchor 404, a fairlead 405 and a chain stopper 406, wherein the buoy 401 is placed inside the center column 104 and can float on the water surface, the chain stopper 406 is fixed inside the center column 104 and is located below the buoy 401, one end of the anchor chain 402 is connected with the buoy 401, and the other end thereof sequentially passes through the chain stopper 406, the fairlead 405 arranged at the bottom of the center column 104 and extends downwards and is connected with the anchor 404 fixed on the seabed through the shackle 403.
As shown in fig. 6, the ballast device includes a plurality of hollow tubes 301, a connector 302, a ballast tube 303, a vent tube 304 and a valve 305, the hollow tubes 301 are made of HDPE, the plurality of hollow tubes 301 are used as ballast tanks of the main body of the net cage and are uniformly arranged along the circumferential direction of the lower ring 102, the vent tube 304 and the ballast tube 303 are respectively connected between every two adjacent hollow tubes 301, the vent tube 304 and the ballast tube 303 are respectively connected to the top surface and the bottom surface of the two hollow tubes, and the vent tube 304 is provided with the valve 305 for controlling the intake or exhaust of the ballast tank; the valve 305 of the vent pipe 304 is opened, seawater is filled into the ballast tank through the ballast pipe 303 by means of gravity type water inlet to realize the descending of the main body of the net cage, the main body of the net cage reaches a preset height, the valve 305 is closed, or the valve 305 of the vent pipe 304 is opened to fill air into the ballast tank and discharge the seawater in the ballast tank through the ballast pipe 303, so that the ascending of the main body of the net cage is realized.
The specific operation method for lifting the aquaculture net cage comprises the following steps: when the net cage main body needs to descend, ballasting operation is carried out on the net cage main body, namely a valve 305 is opened, seawater is filled into a ballast tank through a ballast pipe 303 in a gravity type water inlet mode, the net cage main body moves downwards under the gravity, a chain stopper 406 is automatically opened, when the net cage main body descends to a preset height, the valve 305 is closed, the chain stopper 406 automatically locks an anchor chain 402, descending operation of the net cage is realized, and meanwhile, if the net cage main body deviates under the action of external environmental load, the net cage main body can automatically descend to a certain height; when the net cage needs to be lifted, the main body of the net cage is unloaded, namely the valve 305 and the chain stopper 406 are opened, compressed air is injected into the ballast tank through an air compressor on the maintenance ship and seawater is discharged, when the net cage rises to a preset height under the buoyancy, the valve 305 is closed, the anchor chain 402 is locked through the chain stopper 406, and the lifting operation of the net cage is realized.
Specifically, considering the problem of construction, the frame of aquaculture net case can be prefabricated in the mill, transports to the pier, connects the assembly at the pier through flange 5, installs the netting, the debugging after that, and the final hoist and mount is launched, uses the tow boat to tow boat and tows a boat installation scene, and construction convenience. The netting is fixed around the frame, at the top and at the bottom, and under the action of environmental load, the deformation of the netting is small, and the volume loss rate of the aquaculture water body is small.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that variations based on the shape and principle of the present invention should be covered within the scope of the present invention.
Claims (7)
1. A lifting type aquaculture net cage comprises a net cage main body, wherein the net cage main body comprises a frame and a netting arranged on the frame, the frame comprises an upper ring, a lower ring, stand columns, a central stand column, an upper inclined strut and a lower inclined strut, the upper ring and the lower ring are arranged in parallel and connected through a plurality of stand columns, the central stand column is arranged at the center of the upper ring and the lower ring, the top of the central stand column is connected with the top of each stand column through the upper inclined strut, and the bottom of the central stand column is connected with the bottom of each stand column through the lower inclined strut; the method is characterized in that: the net cage body is arranged on the upper ring and used for providing buoyancy for the net cage body, the ballast device is arranged on the lower ring, water is fed or drained through the ballast device to achieve rising or falling of the net cage body, one end of the single-point mooring device is connected with the net cage body, the other end of the single-point mooring device extends downwards and is fixed to the seabed, and the net cage body is moored on the seabed through the single-point mooring device.
2. The elevating aquaculture net cage according to claim 1, wherein: the single-point mooring device comprises a buoy, a chain stopper, an anchor chain, a shackle, an anchor and a cable guide hole, wherein the buoy is placed inside the central stand column and can float on the water surface, the chain stopper is fixed inside the central stand column and is positioned below the buoy, one end of the anchor chain is connected with the buoy, and the other end of the anchor chain sequentially penetrates through the chain stopper, downwards extends through the cable guide hole formed in the bottom of the central stand column and is connected with the anchor fixed on the seabed through the shackle.
3. The elevating aquaculture net cage according to claim 1, wherein: the ballast device comprises a plurality of hollow pipes, connecting pieces, ballast pipes, vent pipes and valves, wherein the plurality of hollow pipes are uniformly arranged along the circumferential direction of the lower ring of the ballast tank as the main body of the net cage, the vent pipes and the ballast pipes are respectively connected between every two adjacent hollow pipes, the vent pipes and the ballast pipes are respectively connected to the top surfaces and the bottom surfaces of the two hollow pipes, and the vent pipes are provided with valves for controlling the air intake or the air exhaust of the ballast tank; and opening a valve of the vent pipe and filling seawater into the ballast tank through the ballast pipe by means of a gravity type water inlet mode to realize the descending of the net cage main body, or opening the valve of the vent pipe to fill air into the ballast tank and discharging the seawater in the ballast tank through the ballast pipe to realize the ascending of the net cage main body.
4. The elevating aquaculture net cage according to claim 3, wherein: the hollow pipe is an HDPE pipe.
5. The elevating aquaculture net cage according to claim 1, wherein: the float comprises a plurality of hollow tubes circumferentially arranged along the upper ring.
6. The elevating aquaculture net cage according to claim 5, wherein: the hollow pipe is an HDPE pipe.
7. The elevating aquaculture net cage according to claim 1, wherein: the lower ring, the upper ring and the upright post, the central upright post and the inclined strut are respectively connected through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122950782.3U CN216874529U (en) | 2021-11-29 | 2021-11-29 | Lifting type aquaculture net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122950782.3U CN216874529U (en) | 2021-11-29 | 2021-11-29 | Lifting type aquaculture net cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216874529U true CN216874529U (en) | 2022-07-05 |
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ID=82202229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122950782.3U Active CN216874529U (en) | 2021-11-29 | 2021-11-29 | Lifting type aquaculture net cage |
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| Country | Link |
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| CN (1) | CN216874529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115176739A (en) * | 2022-08-05 | 2022-10-14 | 烟台中集来福士海洋工程有限公司 | Net cage ballast system and ballast submerging method thereof |
-
2021
- 2021-11-29 CN CN202122950782.3U patent/CN216874529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115176739A (en) * | 2022-08-05 | 2022-10-14 | 烟台中集来福士海洋工程有限公司 | Net cage ballast system and ballast submerging method thereof |
| CN115176739B (en) * | 2022-08-05 | 2024-02-27 | 烟台中集来福士海洋工程有限公司 | Net cage ballast system and ballast submerging method thereof |
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