CN108157255B - Spiral aquaculture net case based on compound barrel foundation - Google Patents
Spiral aquaculture net case based on compound barrel foundation Download PDFInfo
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- CN108157255B CN108157255B CN201810001226.1A CN201810001226A CN108157255B CN 108157255 B CN108157255 B CN 108157255B CN 201810001226 A CN201810001226 A CN 201810001226A CN 108157255 B CN108157255 B CN 108157255B
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- 238000009360 aquaculture Methods 0.000 title claims description 17
- 244000144974 aquaculture Species 0.000 title claims description 17
- 150000001875 compounds Chemical class 0.000 title claims description 4
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000007704 transition Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000009991 scouring Methods 0.000 abstract description 4
- 230000009194 climbing Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
- Foundations (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A spiral cultivation net cage based on a composite cylindrical foundation belongs to the technical field of offshore wind power generation and offshore cultivation. A net box spiral framework is arranged on the basis of the composite cylinder, and a net is arranged on the inner side of the net box spiral framework; a cushion pad is arranged at the outer side of the spiral framework of the net cage; the upper surface of the spiral framework of the net cage is provided with an annular ladder; the tower drum connecting ladder is arranged, and the annular ladder and the fan tower drum on the net cage spiral framework are connected through the two platforms and the inclined ladder. The beneficial effects of the invention are as follows: the net cage belongs to a flexible structure in the horizontal direction, so that the acting force generated by wind and wave load or ship berthing is reduced, and the safe operation of the fan is facilitated. The wave-absorbing capacity of the net cage and the net cage structure interfere the cylindrical flow-around phenomenon of the water flow to the transition section and the tower barrel, thereby reducing the scouring problem of the barrel-type foundation. The annular ladder is attached to the upper surface of the spiral framework of the net cage, and the mode of the upper fan and the lower fan is changed from a climbing ladder to a step walking, so that the safety coefficient of the upper fan and the lower fan is greatly improved.
Description
Technical Field
The invention belongs to the technical field of offshore wind power generation and offshore cultivation, and particularly relates to a structure based on the combination of a single offshore wind turbine composite cylindrical foundation and a spiral framework net cage.
Background
In recent years, offshore wind power has rapidly developed as a green clean renewable energy source. The offshore wind power has the remarkable advantages of good wind field quality, small turbulence, no occupation of cultivated land, high annual utilization time and the like. However, due to the complex offshore environment, the coupling effect of wind wave current on the foundation and the tower structure is complex, and the scouring and erosion effects of seawater on the foundation are obvious, so that the requirements of offshore wind power on the foundation are higher, and the construction cost of the offshore wind power foundation is higher.
The commercial crops cultivated by the open sea net cages have good quality, good yield and high economic benefit, and have great development potential. However, due to the large open sea waves, the required net cage materials, structures and mooring systems and offshore net cage culture cannot be used in the same language, and power supply facilities are lacked, so the method belongs to the high-investment and high-risk industries.
The combination of the offshore wind turbine foundation and the offshore net cage structure is beneficial to reducing the construction cost and improving the economic benefit and the ecological benefit.
The structural form of the combination of the offshore wind turbine foundation and the offshore net cage structure cannot cause cross influence on the safe operation of the wind turbine and the normal cultivation activity of the net cage.
The problem of ship berthing in a structural form of combining an offshore wind turbine foundation and a net cage structure is required to be solved.
The offshore wind turbine foundation is washed by sea waves and water currents, hidden danger is caused to normal and safe operation of the offshore wind turbine foundation, and the conventional method for protecting the foundation by throwing stones has poor effect and serious washing problem.
Disclosure of Invention
The invention aims to solve the problems, and provides a spiral aquaculture net cage structure based on a composite barrel type foundation, which combines a net cage with the composite barrel type foundation on the premise of not contacting with a fan tower barrel so as to improve the utilization efficiency of the composite barrel type foundation and the wind wave resistance of the net cage, solve the problems of ship berthing and personnel wind up and down and solve the scouring problem of the barrel type foundation by using the structure.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the spiral aquaculture net cage based on the composite barrel type foundation comprises the composite barrel type foundation, wherein a net cage spiral framework is arranged on the composite barrel type foundation, and the net cage spiral framework is of a spiral structure with the same diameter as a top cover of the barrel type foundation; the device comprises a spiral framework supporting column, wherein the upper end of the spiral framework supporting column is welded with the bottom of a net cage spiral framework, and the lower end of the spiral framework supporting column is prefabricated with a cylindrical foundation into a whole; comprises a net, a net cage and a spiral framework, wherein the net is hung on the inner side of the spiral framework of the net cage; comprises a buffer cushion which is fixed on the outer side of a spiral framework of the net cage; comprises an annular ladder which is arranged on the upper surface of a spiral framework of the net cage; the wind turbine tower comprises a tower connecting ladder, wherein the two platforms and an inclined ladder are connected with an annular ladder on a net cage spiral framework and a fan tower. Comprises a spiral framework connecting rod, which is a strip-shaped steel plate or a high-strength aluminum alloy plate, and the upper and lower parts of the connecting rod are respectively fixed on two layers of spirals at the uppermost part of a spiral framework of the net cage. The transition section is connected with the upper part of the cylindrical foundation top cover; the transition section is of a steel structure, the diameter of the transition section is equal to that of the lower end of the fan tower barrel, and the transition section is connected with the fan tower barrel through a flange.
The net cage spiral framework is of a spiral structure with a spiral angle of 30-60 degrees, is made of hollow stainless steel pipes or high-strength aluminum alloy pipes, and is provided with polyethylene pipes at the top.
The upper end of the spiral framework connecting rod is connected with the inner side of the polyethylene pipe at the uppermost layer of the net cage spiral framework through bolts, and the lower end of the spiral framework connecting rod is welded on the inner side of the middle layer spiral of the net cage spiral framework and is used for reinforcing the support and connection between the uppermost layer of the net cage spiral framework and the lower layer of the net cage spiral framework.
The platform of the tower connecting ladder is hinged with the inclined ladder. Guard rails are arranged on two sides of the annular ladder and two sides of the tower connecting ladder.
The rail of the annular ladder outer side guardrail is hinged with one side upright post and is clamped on the other side upright post, so that the rail can rotate anticlockwise by 90 degrees.
The spiral skeleton support column is a thick-wall stainless steel cylinder or a high-strength aluminum alloy cylinder. The cushion pad is a long strip-shaped rubber product with a trapezoid cross section.
The number of the spiral framework support columns is 4, and the spiral framework support columns are uniformly distributed on the top cover; the number of the spiral skeleton connecting rods is 4, and the connecting rods are uniformly distributed along the spiral perimeter of the spiral skeleton of the net cage.
Advantages and beneficial effects of the invention
The offshore wind turbine foundation is characterized in that an offshore wind turbine foundation is arranged on a composite cylindrical foundation of an offshore wind turbine, wind turbine foundation equipment is used as foundation construction of offshore wind turbine cultivation, and accordingly foundation construction equipment of an offshore wind turbine is combined with offshore wind turbine cultivation facility construction, and foundation construction cost is reduced.
The structural body type of the net cage spiral type framework enables hooking points of the net and the framework to be distributed on the circumference of the net and the axial direction of the net, more and uniformly distributed connection points enable the net to be connected with the framework more firmly, the spiral type framework also plays a role in protecting the net under the condition of stormy waves, and the rigid connection mode of the net cage framework and the offshore wind turbine composite type barrel type foundation is beneficial to the overall stability of the net cage, so that the spiral type aquaculture net cage based on the composite type barrel type foundation has small volume loss rate and strong wind wave resistance under the influence of stormy waves.
The spiral aquaculture net cage body is similar to a spring, belongs to a flexible structure in the horizontal direction, has a certain buffering effect under the action of transverse force, and is beneficial to reducing the acting force of the net cage on a fan tower barrel and a composite barrel foundation caused by the wind and wave load or ship berthing, so that the safe operation of a fan is facilitated.
Because the net cage spiral skeleton is annular and rises, annular ladder attaches above the net cage spiral skeleton, so boats and ships can berth easily at arbitrary water level to change the mode of staff's fan about from climbing the cat ladder into walk the ladder, improved the factor of safety of fan about greatly.
The net clothes of the net cage can enable the passing waves to generate wave breaking so as to have certain wave-absorbing capacity, and in addition, the net cage structure interferes with the cylindrical flow-around phenomenon of water flow to the transition section and the tower barrel, so that the scouring problem of the barrel-shaped foundation is relieved.
Drawings
FIG. 1 is a schematic diagram of a spiral aquaculture net cage based on a composite cylindrical foundation;
FIG. 2 is a detailed view of the structure of FIG. 1A;
in the figure 1, a composite cylindrical foundation; 2. a cage spiral skeleton; 3. a spiral framework support column; 4. a spiral skeleton connecting rod; 5. a netting; 6. a cushion pad; 7. an annular step; 8. the tower barrel is connected with the ladder.
Detailed Description
In order to better understand the aspects of the present invention, the present invention will be described in further detail with reference to the drawings and embodiments.
Referring to fig. 1 and 2, the spiral aquaculture net cage based on the composite cylindrical foundation disclosed by the invention is composed of a cylindrical foundation 1, a net cage spiral framework 2, a spiral framework supporting column 3, a spiral framework connecting rod 4, a net 5, a buffer cushion 6, an annular step 7 and a tower connecting ladder 8. Wherein, the top cover of the cylindrical foundation 1 is of a reinforced concrete structure, and the side wall is of a steel structure; the cylindrical foundation 1 is connected with a fan tower through a flange at the upper part of the transition section; the net cage spiral framework 2 consists of at least three layers of spiral hollow pipes with the same diameter as the top cover of the cylindrical foundation 1, the spiral angle is between 30 and 60 degrees, the specific degree of the spiral angle is determined according to specific engineering conditions, the main body of the net cage spiral framework 2 is of a hollow steel pipe structure or a high-strength aluminum alloy pipe structure, the upper part of the net cage spiral framework 2 is provided with a polyethylene pipe, the upper surface of the hollow pipe of the net cage spiral framework 2 is welded with an annular step 7, a buffer cushion 6 is fixed on the outer surface of the spiral, and the height of the polyethylene pipe at the uppermost layer is higher than the maximum water depth and is at least equal to the elevation of the bottom of the tower and a foundation connecting flange; the spiral framework support column 3 is a thick-wall stainless steel cylinder or a high-strength aluminum alloy cylinder, the lower end of the spiral framework support column is prefabricated with the top cover of the cylinder foundation 1 into a whole, and the upper end of the spiral framework support column is welded with the net cage spiral framework 2; the spiral framework connecting rod 4 is a strip steel plate or a high-strength aluminum alloy plate, the upper end of the spiral framework connecting rod is connected with the inner side of the polyethylene pipe through bolts, and the lower end of the spiral framework connecting rod is welded on the inner sides of the uppermost two layers of spirals of the net cage spiral framework 2 and is used for reinforcing the connection between the uppermost layer and the lower layer of the net cage spiral framework 2; the netting 5 is hooked on the inner side of the net cage spiral framework 2; the cushion pad 6 is a trapezoid cross-section strip-shaped rubber product, is fixed on the outer side of the net cage spiral framework 2, is arranged on the outer side of the net cage spiral framework above the lowest water level and is used for buffering impact force between a ship and the net cage when leaning against the ship; the width of the annular step 7 is not less than 0.5m, the annular step 7 is arranged on the upper surface of the spiral skeleton of the net cage above the lowest water level, guardrails are arranged on two sides of the annular step 7, and the guardrails on the outer side of the annular step 7 can be opened and closed for the convenience of the fan on the ship; the tower barrel connecting ladder 8 is divided into two standing platforms and an inclined ladder, and is connected with the annular ladder 7 on the net cage spiral framework and the fan tower barrel through the two platforms and the inclined ladder. The tower connecting ladder 8 is used for connecting the spiral ladder on the net cage with the inlet of the tower of the fan, and workers can go up and down the tower of the fan through the tower connecting ladder 8. Guard rails are arranged on two sides of the tower connecting ladder 8, and the platform is connected with the inclined ladder through hinges.
The uppermost non-spiral structure of the net cage spiral framework 2 is a plane circular framework which is spirally connected with the main body, the circular framework does not float on the water surface when the net cage spiral framework is used, and the uppermost non-spiral structure is higher than the highest sea level by a safe height, because the net cage is not telescopic, the net cage can not be completely submerged, and the economic crops cultivated in the net cage can not run out of the net cage; the net cage can be designed into a non-fully-closed structure by people going up and down through the annular ladder 7 on the spiral framework; the use of polyethylene materials is mainly considered to be light in weight and convenient to support.
In this embodiment: the outer diameter of the cylindrical foundation 1 is 30m, the top cover is 1m thick, the wall thickness is 0.08m, and the wall height is 10m; the outer diameter of the net cage spiral skeleton 2 is 30m, the outer diameter of the skeleton hollow tube is 1, and the wall thickness is 0.05 m; 4 spiral skeleton support columns 3 are uniformly distributed on the top cover, the outer diameter is 1, the wall thickness is 0.08m, and the height is determined according to the position; 4 spiral skeleton connecting rods 4 are uniformly distributed along the circumference of a spiral, the thickness of a steel plate is 0.05m, the width of the steel plate is 0.3m, and the height is determined according to the position; the netting 5 is made of nylon, and specific mesh parameters are determined according to the cultivation requirements; the cushion pad 6 is of a trapezoid cross section, the lower bottom is 0.9m long and fixedly connected with the spiral framework, the upper bottom is 0.7m long, and the height is 0.4m; the annular step 7 has the step width of 0.5m, the height of 0.25m and the railing heights at the two sides of the step of 1.4m, and is welded with the spiral cage framework 2 into a whole; the step width of the tower connecting ladder 8 is 0.5m, the height is 0.25m, and the height of the railing at two sides of the step is 1.4m.
The invention discloses a spiral aquaculture net cage based on a composite cylindrical foundation, which comprises the following construction processes: (1) The standardized and integrated production of the cylindrical foundation 1, the net cage spiral framework 2, the spiral framework supporting columns 3, the spiral framework connecting rods 4, the net 5, the buffer cushion 6, the annular step 7 and the tower connecting ladder 8 is completed, and the cylindrical foundation, the net cage spiral framework, the spiral framework supporting columns and the tower connecting ladder are installed and prefabricated on land to form a whole; (2) Towing the prefabricated structure to a sinking place, and then carrying out sinking work.
Claims (8)
1. The utility model provides a spiral aquaculture net case based on compound barrel foundation, includes compound barrel foundation (1), characterized by: the composite cylinder type foundation (1) is provided with a net cage spiral framework (2), and the net cage spiral framework (2) has a spiral structure with the same diameter as the top cover of the composite cylinder type foundation (1); comprises a spiral framework supporting column (3), the upper end of the spiral framework supporting column is welded with the bottom of a net cage spiral framework (2), and the lower end of the spiral framework supporting column is prefabricated with a composite cylindrical foundation (1) into a whole; comprises a net (5) which is hung and attached on the inner side of a spiral framework of the net box; comprises a cushion pad (6) which is fixed at the outer side of a net cage spiral framework (2); comprises an annular ladder (7) which is arranged on the upper surface of a net cage spiral framework (2); comprises a tower barrel connecting ladder (8), wherein the two platforms and an inclined ladder are connected with an annular ladder (7) on a net cage spiral framework and a fan tower barrel;
comprises a spiral framework connecting rod (4) which is a strip-shaped steel plate or a high-strength aluminum alloy plate, and the upper and lower parts of the spiral framework connecting rod are respectively fixed on two layers of spirals at the uppermost part of a net cage spiral framework (2);
the upper end of the spiral framework connecting rod (4) is connected with the inner side of the polyethylene pipe at the uppermost layer of the net cage spiral framework (2) through bolts, and the lower end of the spiral framework connecting rod is welded on the inner side of the middle layer spiral of the net cage spiral framework (2) and is used for reinforcing the support and connection between the uppermost layer of the net cage spiral framework (2) and the lower layer of the net cage spiral framework.
2. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 1, wherein: the net cage spiral framework (2) comprises three layers, wherein the uppermost layer is a polyethylene pipe, and the other layers are hollow stainless steel pipe structures or high-strength aluminum alloy pipe structures.
3. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 1, wherein: the platform of the tower barrel connecting ladder (8) is hinged with the inclined ladder.
4. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 1, wherein: the spiral skeleton support column (3) is a thick-wall stainless steel cylinder or a high-strength aluminum alloy cylinder.
5. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 1, wherein: the cushion pad (6) is a trapezoid cross-section strip-shaped rubber product.
6. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 1, wherein: guard rails are arranged on two sides of the annular ladder (7) and two sides of the tower connecting ladder (8), and the guard rails on the outer side of the annular ladder (7) can be opened and closed.
7. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 6, wherein: the transverse bars of the guard bars at the outer sides of the annular steps (7) are hinged with the upright posts at one side and are clamped on the upright posts at the other side, so that the transverse bars can rotate anticlockwise by 90 degrees.
8. The composite cylindrical foundation-based spiral aquaculture net cage according to claim 1, wherein: 4 spiral skeleton support columns (3) are uniformly distributed on the top cover; the number of the spiral skeleton connecting rods (4) is 4, and the connecting rods are uniformly distributed along the spiral perimeter of the net cage spiral skeleton (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001226.1A CN108157255B (en) | 2018-01-02 | 2018-01-02 | Spiral aquaculture net case based on compound barrel foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001226.1A CN108157255B (en) | 2018-01-02 | 2018-01-02 | Spiral aquaculture net case based on compound barrel foundation |
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| Publication Number | Publication Date |
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| CN108157255A CN108157255A (en) | 2018-06-15 |
| CN108157255B true CN108157255B (en) | 2023-08-01 |
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| CN201810001226.1A Active CN108157255B (en) | 2018-01-02 | 2018-01-02 | Spiral aquaculture net case based on compound barrel foundation |
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| CN117136891B (en) * | 2023-10-10 | 2024-02-13 | 华南理工大学 | Deep-open sea aquaculture net cage based on wave-absorbing bottom plate wave-absorbing and anti-rolling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100586276C (en) * | 2004-12-06 | 2010-02-03 | 福建省水产研究所 | Asymmetric, double-cone shaped floating anti-wind wave type net cage |
| CN203256676U (en) * | 2013-04-01 | 2013-10-30 | 浙江海洋学院 | Floating breakwater giving consideration to fishing and aquaculture |
| CN203290061U (en) * | 2013-05-31 | 2013-11-20 | 付廷斌 | Underwater monitoring system for cage culture |
| NO338238B1 (en) * | 2014-09-08 | 2016-08-08 | Akvadesign As | Floating element for a cage |
| CN104542378A (en) * | 2014-12-20 | 2015-04-29 | 海口远洋开华生物科技有限公司 | Anti-wind-wave ecological settlement breeding device |
| CN207897691U (en) * | 2018-01-02 | 2018-09-25 | 天津大学 | A kind of spiral aquaculture net cage based on compound bucket foundation |
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