CN113331102B - Pipe rack type lifting deepwater aquaculture net cage - Google Patents
Pipe rack type lifting deepwater aquaculture net cage Download PDFInfo
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- CN113331102B CN113331102B CN202110640975.0A CN202110640975A CN113331102B CN 113331102 B CN113331102 B CN 113331102B CN 202110640975 A CN202110640975 A CN 202110640975A CN 113331102 B CN113331102 B CN 113331102B
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 18
- 244000144974 aquaculture Species 0.000 title claims abstract description 18
- 238000007667 floating Methods 0.000 claims abstract description 226
- 241000251468 Actinopterygii Species 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000005266 casting Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- 241000238586 Cirripedia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a pipe rack type lifting deepwater aquaculture net cage. The large-scale fish culture net cage solves the problems that the existing large-scale fish culture net cage is inconvenient to catch after fish culture and the stability of the structure of the net cage frame is not ideal. The inner annular floating pipes are horizontally arranged at intervals, the outer annular floating pipes are connected and correspondingly connected with the outer sides of the inner annular floating pipes through pipe connectors, and the vertical connecting pipes are respectively and correspondingly fixed on the pipe connectors between the inner annular floating pipes and the outer annular floating pipes; the inner garment is fixed on the inner side of the inner annular floating pipe, and pipe connectors on the inner side of the inner annular floating pipe at the bottom end are respectively connected with a plurality of bottom annular floating pipes with gradually shrinking diameters; the inner annular floating pipe, the outer annular floating pipe and the bottom annular floating pipe are communicated with the vent pipe through communicating pipes, and at least one fish outlet net sleeve is arranged on the inner net. The tubular frame formed by connecting the inner annular floating pipe, the outer annular floating pipe and the vertical connecting pipe through the pipe connecting piece has good structural stability and is not easy to deform when encountering wind waves; the cultivation net cage floats integrally during fish catching, so that the fish catching is convenient.
Description
Technical Field
The invention relates to a fish culture tool, in particular to a pipe rack type lifting deepwater culture net cage.
Background
The deep sea aquaculture net cage is generally placed in open deep water sea, is brand new aquaculture equipment which is rapidly developed in recent decades at home and abroad, breaks through the defect that the traditional net cage can only be arranged in an estuary or offshore, and is favored by people due to the fact that the deep water sea area is moderate in water temperature, good in stability, close to nature, high in survival rate and large in scale of cultured fish, and the meat quality of the cultured fish is close to that of the wild fish. However, since the deep sea cage resists strong waves, especially against typhoon disasters at sea, the cage must have sufficient strength to resist the waves to the maximum extent. For this reason, rigid frame type net cages, such as disc type net cages in the united states, tension leg net cages in norway, and steel structure net cages in russia, have appeared abroad, but have not been successfully used in China due to high production cost and inconvenient management.
In recent years, the development of large-scale deep sea wind wave resistant net cages is continuously enhanced by technical staff in China. For example, in CN107148931a chinese patent application specification published in 9 and 12 of 2017, "a large-scale current-resistant and wind-wave-resistant cultivation net cage in the form of a pipe rack" is disclosed, which comprises an inner floating pipe ring formed by welding multi-section circular arc inner floating pipes, an outer floating pipe ring formed by welding multi-section circular arc outer floating pipes, a plurality of horizontal support pipe rings formed by welding multi-section circular arc horizontal support pipes, and a plurality of vertical pipes, wherein the inner floating pipe ring and the outer floating pipe ring form an inner concentric ring body and an outer concentric ring body positioned at the upper layer to provide buoyancy for the whole net cage; the horizontal support pipe ring, the inner floating pipe ring and the outer floating pipe ring are connected up and down through the vertical pipes to form a cylindrical structure, and a box net tensioning rope are arranged on the inner side of the cylindrical structure. The net cage adopts the split connecting piece, so that the net cage is ensured to be in the culture water body in the sea area with high flow speed, and the strength and the storm resistance of the net cage structure are improved. The inner floating pipe and the outer floating pipe of the large-scale aquaculture net cage with the structure are welded into a circle by the HDPE pipe, the sealing is kept, buoyancy can be provided for the net cage, the horizontal supporting pipe of the large-scale aquaculture net cage is welded into a circle by the HDPE pipe, water can enter and air can enter to lift the net cage, but the buoyancy generated by the horizontal supporting pipe is insufficient to ensure that the net cage wholly floats out of the water, and inconvenience is brought to fishing after fish are bred. In addition, the cylindrical structure is a structural member for ensuring the cage net to be opened, but the cylindrical structure with the radial single-ring structure still has the defect of unsatisfactory structural stability.
Disclosure of Invention
The invention provides a pipe rack type lifting deepwater aquaculture net cage which is stable in structure and convenient for fish fishing, and aims to overcome the defects that the existing large-scale aquaculture net cage is inconvenient to catch after fish are cultured and the stability of a box net frame structure is not ideal.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pipe support formula lift deep water aquaculture net case, its includes a plurality of vertical connecting pipes, a plurality of interior annular floating pipes, an intranet clothing and an intranet end, interior annular floating pipe horizontal interval set up, intranet clothing through mounting fixed connection in the inboard of annular floating pipe, intranet end connect on the bottom of intranet clothing, its encloses into first aquaculture chamber with intranet clothing, its characterized in that:
the pipe joint parts are uniformly connected between the inner annular floating pipe and the outer annular floating pipe and vertically correspond to the pipe joint parts;
the vertical connecting pipes are respectively and correspondingly fixed on the pipe joint parts between the inner annular floating pipe and the outer annular floating pipe;
The inner side of the inner annular floating pipe at the bottom end is provided with a plurality of bottom annular floating pipes with gradually reduced diameters from outside to inside, the bottom annular floating pipes are communicated with the inner annular floating pipes, the bottom annular floating pipes support the inner net bottom, and the inner annular floating pipes at the bottom end are uniformly connected with the bottom annular floating pipes and the adjacent bottom annular floating pipes through pipe connecting pieces respectively;
A dirt collecting net sleeve is arranged at the middle part of the inner net bottom, and penetrates through the inner side of the innermost bottom annular floating pipe and extends out of the net cage;
At least one fish outlet net sleeve is arranged on the inner net of the annular floating pipe close to the bottom end;
a communicating pipe is arranged among the inner annular floating pipe, the outer annular floating pipe and the bottom annular floating pipe, the communicating pipe is communicated with the output end of a vent pipe, and the input end of the vent pipe is a free end;
an anchoring piece is arranged on one side of the pipe connector at the bottom end, which is close to the outer annular floating pipe.
A plurality of top annular floating pipes with gradually reduced diameters from outside to inside are arranged on the inner side of the inner annular floating pipe at the top end, and the top annular floating pipes are communicated with the inner annular floating pipe; the inner annular floating pipes at the top end are uniformly connected with the top annular floating pipes and the adjacent top annular floating pipes respectively through the pipe connecting pieces; two support pipes are symmetrically and fixedly connected to the pipe joint part between the adjacent top annular floating pipes and the pipe joint part between the adjacent bottom annular floating pipes respectively, the bottom ends of the support pipes are respectively closed, the top ends of the support pipes are respectively opened and are bait conveying ports, an annular bait feeding pipe is connected and communicated between the two support pipes, and a plurality of bait outlet ports are formed in the annular bait feeding pipe.
The pipe connector comprises two hoops which are connected in a butt joint mode, each hoop comprises a hoop body, a semicircular concave ring is arranged at the middle of each hoop body, clamping grooves are formed in the inner sides of the semicircular concave rings respectively, joint surfaces are symmetrically arranged at two ends of each hoop body respectively, arc-shaped first holding grooves are formed in the joint surfaces of the same ends and the center line of each joint surface, a pressing plate is detachably connected to the joint surfaces of the same ends through fasteners, arc-shaped second holding grooves are formed in the pressing plate and the center line of each first holding groove, and the center lines of the first holding grooves and the second holding grooves are perpendicular to the center line space of the semicircular concave ring.
The joint surfaces at two ends of the hoop body are symmetrically provided with certain inclination angles respectively, and the inclination angles are 30-75 degrees.
The pipe joint part between the inner annular floating pipe and the outer annular floating pipe is characterized in that the two hoops after involution connection encircle and fix the vertical connecting pipe through the semicircular concave rings on the pipe joint part, and the first embracing grooves on the two ends of the hoop body are matched with the second embracing grooves on the pressing plate to correspondingly encircle and fix the inner annular floating pipe and the outer annular floating pipe respectively.
The pipe joint part between the inner annular floating pipe at the bottom end and the bottom annular floating pipe is provided with a first holding groove at two ends of the anchor ear body and a second holding groove on the pressing plate which are matched and respectively correspondingly hold the inner annular floating pipe at the bottom end and the bottom annular floating pipe in a surrounding manner; and the pipe joint parts between the adjacent bottom annular floating pipes are matched with the first holding grooves on the two ends of the hoop body and the second holding grooves on the pressing plate to respectively and correspondingly hold and fix the adjacent bottom annular floating pipes.
The pipe joint part between the inner annular floating pipe at the top and the top annular floating pipe is provided with a first holding groove at two ends of the hoop body and a second holding groove on the pressing plate which are matched and respectively correspondingly held and fixed with the inner annular floating pipe at the top and the top annular floating pipe; and the pipe joint parts between the adjacent top annular floating pipes are matched with the first holding grooves on the two ends of the hoop body and the second holding grooves on the pressing plate to respectively and correspondingly hold and fix the adjacent top annular floating pipes.
The outer net bottom is connected between the bottom of the inner net and the bottom of the outer net, and the outer net bottom, the inner net and the outer net enclose a second cultivation cavity.
The top of the inner net is detachably connected with a first net cover, and the first net cover seals the first culture cavity.
A second net cover is detachably connected between the tops of the outer net and the inner net, and the second net cover seals the second culture cavity.
The outer side of the outer annular floating pipe at the bottom end is provided with a platform annular floating pipe which is communicated with the outer annular floating pipe, the outer annular floating pipe and the platform annular floating pipe are uniformly connected by the pipe joint, and a lower annular platform is arranged between the outer annular floating pipe and the platform annular floating pipe.
The top of the inner annular floating pipe, the outer annular floating pipe and the top annular floating pipe which are positioned at the top end are provided with an upper annular platform.
The inner annular floating pipes are horizontally arranged at intervals, the outer annular floating pipes are correspondingly arranged at the outer sides of the inner annular floating pipes, the inner annular floating pipes are connected with the outer annular floating pipes through a plurality of pipe connectors, and the vertical connecting pipes are correspondingly fixed on the pipe connectors between the inner annular floating pipes and the outer annular floating pipes respectively; the inner net with the inner net bottom is fixedly connected with the inner side of the inner annular floating pipe, the outer annular floating pipe and the vertical connecting pipe are connected through pipe connectors to form a tubular frame supporting net, and compared with the existing cylindrical structural body frame with a radial single-ring structure, the tubular frame has good structural stability and is not easy to deform when encountering wind and waves; the inner side of the inner annular floating pipe at the bottom end is provided with a plurality of bottom annular floating pipes with gradually reduced diameters from outside to inside, and the inner annular floating pipe at the bottom end and the bottom annular floating pipes which are adjacent are respectively and uniformly connected by pipe connecting pieces; the inner annular floating pipe, the outer annular floating pipe and the bottom annular floating pipe are communicated, and air or water is injected into the inner annular floating pipe, the outer annular floating pipe and the bottom annular floating pipe and matched with the anchoring piece, so that the floating and sinking lifting of the culture net cage in the culture water body is controlled, and the design is reasonable; and the inner annular floating pipe, the outer annular floating pipe and the bottom annular floating pipe are completely filled with air, so that the whole aquaculture net cage floats out of the water surface, fish fishing is carried out through the fish outlet net sleeve arranged on the inner net clothing, and the fish fishing is convenient.
Drawings
FIG. 1 is a partial cross-sectional view of a three-dimensional structure of the present invention;
FIG. 2 is a perspective view of the main body portion of a pipe joint according to the present invention;
FIG. 3 is an exploded view of the crimping plate assembly of the pipe joint of FIG. 2;
FIG. 4 is a front elevational view of the tube coupling shown in FIG. 2;
Fig. 5 is a partially enlarged view at a in fig. 1.
The marks in the figure: 1. the vertical pipe, 2, inner annular floating pipe, 3, inner net, 4, inner net bottom, 5, fixing piece, 6, first culture cavity, 7, outer annular floating pipe, 8, pipe connector, 9, hoop, 10, hoop body, 11, semicircular concave ring, 12, clamping groove, 13, joint face, 14, first clamping groove, 15, fastening piece, 16, crimping plate, 17, second clamping groove, 18, connecting hole, 19, threaded hole, inclination angle alpha, 20, bottom annular floating pipe, 21, platform annular floating pipe, 22, lower annular platform, 23, dirt collecting net sleeve, 24, fish net sleeve, 25, communicating pipe, 26, vent pipe, 27, input end, 28, floating ball, 29, anchoring piece, 30, top annular floating pipe, 31, supporting pipe, 32, bait conveying mouth, 33, annular bait casting pipe, 34, first net cover, 35, upper annular platform, 36, outer net bottom, 37, second culture cavity.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, a pipe rack type lifting deepwater aquaculture net cage comprises a plurality of vertical connecting pipes 1, a plurality of inner annular floating pipes 2, an inner net 3 and an inner net bottom 4. Wherein, the horizontal interval of interior annular float tube 2 sets up, and interior net clothing 3 is inboard in annular float tube 2 through mounting 5 fixed connection, and interior net end 4 is connected on the bottom of interior net clothing 3, and it encloses into first breed chamber 6 with interior net clothing 3.
It should be noted that, the number of the vertical connecting pipes 1 and the inner annular floating pipes 2 is related to the volume of the net cage and the overall strength requirement, and the number should be set according to the actual requirement.
As shown in fig. 1, the invention further comprises a plurality of outer annular floating pipes 7 and a plurality of pipe connectors 8, wherein the outer annular floating pipes 7 are horizontally arranged outside the inner annular floating pipes 2 corresponding to the inner annular floating pipes 2, the outer annular floating pipes are concentrically arranged with the inner annular floating pipes 2, the pipe connectors 8 are uniformly connected between the inner annular floating pipes 2 and the outer annular floating pipes 7, the pipe connectors 8 vertically correspond to each other, and the vertical connecting pipes 1 are respectively and correspondingly fixed on the pipe connectors 8 between the inner annular floating pipes 2 and the outer annular floating pipes 7.
In this embodiment, referring to fig. 2 and 3, the pipe joint 8 includes two hoops 9 connected in a butt joint manner, the hoops 9 respectively include a hoop body 10, a semicircular concave ring 11 is respectively disposed in the middle of the hoop body 10, and the two hoops 9 after the butt joint are fixed to the vertical connecting pipe 1 by encircling the semicircular concave ring 11 thereon. In order to improve the involution strength and prevent relative sliding, clamping grooves 12 are respectively arranged on the inner sides of the semicircular concave rings 11.
In order to facilitate the installation of the inner annular floating pipe 2 and the outer annular floating pipe 7, two ends of the anchor ear body 10 are symmetrically provided with joint surfaces 13 respectively, the joint surfaces 13 at the same end are respectively provided with circular arc-shaped first holding grooves 14 with the central line, the joint surfaces 13 at the same end are respectively detachably connected with a pressing plate 16 through fasteners 15, the pressing plate 16 is respectively provided with circular arc-shaped second holding grooves 17 with the central line of the first holding grooves 14, and the central lines of the first holding grooves 14 and the second holding grooves 17 are vertical to the central line space of the semicircular concave ring 11. When in use, the inner annular floating pipe 2 or the outer annular floating pipe 7 is placed in the first holding groove 14, the pressing plate 16 is fixed on the joint surface 13 through the fastener 15, and the first holding groove 14 and the second holding groove 17 are matched and respectively correspondingly held around and fixed with the inner annular floating pipe 2 and the outer annular floating pipe 7.
In this embodiment, the fastener 15 is a connection screw 18 that is matched with a threaded hole 19, and two threaded holes 19 are respectively formed on the joint surfaces 13 on two sides of the first holding groove 14, and the connection screw 18 is respectively matched with the threaded holes 19 to detachably connect the pressing plate 16 to the hoop body 10.
In order to achieve the purpose of temporarily supporting the inner annular floating pipe 2 and the outer annular floating pipe 7, as shown in fig. 4, the joint surfaces 13 at the two ends of the anchor ear body 10 are symmetrically provided with a certain inclination angle α, and the inclination angle α is preferably 30 ° to 75 °. Comprehensive practical experience shows that when the inclination angle alpha of the joint surface 13 is 50 degrees, the support effect is good and the installation is convenient.
In order to enhance structural rigidity, as shown in fig. 1, a plurality of bottom annular floating pipes 20 with gradually reduced diameters from outside to inside are arranged on the inner side of the inner annular floating pipe 2 at the bottom end, the bottom annular floating pipe 20 is communicated with the inner annular floating pipe 2, and the bottom annular floating pipe 20 supports the inner net bottom 4.
It should be noted that, the inner annular floating pipe 2 at the bottom end and the bottom annular floating pipe 20 which are adjacent to each other are respectively and evenly connected by the pipe joint piece 8, wherein, the pipe joint piece 8 between the inner annular floating pipe 2 at the bottom end and the bottom annular floating pipe 20, the first holding groove 14 on the two ends of the anchor ear body 10 and the second holding groove 17 on the pressing plate 16 are matched and respectively correspondingly held and fixed on the inner annular floating pipe 2 at the bottom end and the bottom annular floating pipe 20; the pipe joint 8 between the adjacent bottom annular floating pipes 20 is provided with a first holding groove 14 on two ends of the hoop body 10 and a second holding groove 17 on the pressing plate 16 which are matched and respectively correspondingly held around and fixed with the adjacent bottom annular floating pipes 20.
For the convenience of operation, as shown in fig. 1, a platform annular floating pipe 21 is arranged on the outer side of the outer annular floating pipe 7 at the bottom end, the platform annular floating pipe 21 and the outer annular floating pipe 7 are uniformly connected by a pipe joint 8, and a lower annular platform 22 is arranged between the outer annular floating pipe 7 and the platform annular floating pipe 21.
A dirt collecting net cover 23 is arranged at the middle part of the inner net bottom 4, and the dirt collecting net cover 23 penetrates through the inner side of the innermost bottom annular floating pipe 20 and extends out of the net cage. Fish excrement, water body dirt and the like deposited on the inner net bottom 4 can be collected and treated by the dirt collecting net cover 23.
In order to facilitate the fishing operation of the fish in the first culture chamber 6, as shown in fig. 1, at least one fish outlet net 24 is arranged on the inner net 3 adjacent to the bottom end inner ring-shaped floating pipe 2.
As shown in fig. 1 and 5, a communication pipe 25 is provided between the inner annular floating pipe 2, the outer annular floating pipe 7 and the bottom annular floating pipe 20, and the communication pipe 25 is communicated with an output end of a vent pipe 26, and an input end 27 of the vent pipe 26 is a free end. For ease of marking, a float 28 may be provided on the input 27 of the vent tube 26.
To increase the stability of the invention in water, as shown in fig. 1, anchors 29 are provided on the side of the pipe joint 8 at the bottom end adjacent to the outer annular float 7. In this embodiment, the anchor 29 is a sinker which is inexpensive to manufacture.
In order to further strengthen the strength of the present invention, as shown in fig. 1, a plurality of top annular floating pipes 30 with gradually reduced diameters from outside to inside are arranged on the inner side of the inner annular floating pipe 2 at the top end, and the top annular floating pipes 30 are communicated with the inner annular floating pipe 2. The inner annular floating pipes 2 at the top end and the top annular floating pipes 30 and the adjacent top annular floating pipes 30 are uniformly connected by the pipe joint pieces 8.
As shown in fig. 1, two support pipes 31 are symmetrically and fixedly connected to the pipe joint 8 between the adjacent top annular floating pipes 30 and the pipe joint 8 between the adjacent bottom annular floating pipes 20, bottom ends of the support pipes 31 are respectively closed, top ends of the support pipes 31 are respectively opened and serve as bait feeding ports 32, an annular bait casting pipe 33 is connected and communicated between the two support pipes 31, and a plurality of bait outlet ports (not shown in the figure) are formed in the annular bait casting pipe 33. The support tube 31, the annular bait casting tube 33 serve as both the internal reinforcing structure of the present invention and the bait casting device. When the bait feeding device is used, bait is pumped into the supporting tube 31 through the bait feeding opening 32, and is discharged from the bait outlet after passing through the supporting tube 31 and the annular bait feeding tube 33, so that the bait feeding is uniform, the requirements of fishes in different water layers can be met, and the problem that the fishes fight for the bait to cause yield reduction is avoided.
It should be noted that, the pipe joint 8 between the inner annular floating pipe 2 and the top annular floating pipe 30 at the top end has the first holding groove 14 at the two ends of the hoop body 10 and the second holding groove 17 on the press plate 16 matched and correspondingly held and fixed the inner annular floating pipe 2 and the top annular floating pipe 30 at the top end respectively; the pipe joint 8 between the adjacent top annular floating pipes 30 is provided with a first holding groove 14 on two ends of the hoop body 10 and a second holding groove 17 on the pressing plate 16 which are matched and respectively correspondingly held around and fixed with the adjacent top annular floating pipes 30.
For convenience of operation, as shown in fig. 1, an upper annular platform 35 is provided on top of the inner annular floating pipe 2, the outer annular floating pipe 7 and the top annular floating pipe 30 at the top.
As shown in FIG. 1, the present invention also includes an outer netting 36 and an outer netting base 37. Wherein, outer netting 36 is fixed connection in the outside of outer annular float 7 through mounting 5, and outer netting bottom 37 is connected between the bottom of intranet clothing 3 and the bottom of outer netting 36, and outer netting bottom 37 encloses into second breed chamber 38 with intranet clothing 3, outer netting 36. Fishes feeding on the attachment of the netting such as barnacles and macroalgae are raised in the second culture chamber 38, so that the attachment of the netting 3 and the outer netting 36 can be avoided, and the internal environments of the first culture chamber 6 and the second culture chamber 38 can be improved.
The fixing member 5 used for fixing the inner garment 3 and the outer garment 36 may be a fixing rope or a plastic tie, and in this embodiment, the fixing member 5 is preferably a plastic tie that is convenient for binding.
In order to prevent fish in the first culture chamber 6 from escaping when the invention is submerged in water, a first net cover 34 is detachably connected to the top of the inner net 3 as shown in the figure, and the first net cover 34 seals the first culture chamber 6. Also, a second net cover (not shown) is removably attached between the outer net 36 and the top of the inner net 3, which covers the second farming chamber 38.
Claims (4)
1. The utility model provides a pipe support formula lift deep water aquaculture net case, its includes a plurality of vertical connecting pipes, a plurality of interior annular floating pipes, an intranet clothing and an intranet end, interior annular floating pipe horizontal interval set up, intranet clothing through mounting fixed connection in the inboard of annular floating pipe, intranet end connect on the bottom of intranet clothing, its encloses into first aquaculture chamber with intranet clothing, its characterized in that:
the pipe joint parts are uniformly connected between the inner annular floating pipe and the outer annular floating pipe and vertically correspond to the pipe joint parts;
the vertical connecting pipes are respectively and correspondingly fixed on the pipe joint parts between the inner annular floating pipe and the outer annular floating pipe;
The inner side of the inner annular floating pipe at the bottom end is provided with a plurality of bottom annular floating pipes with gradually reduced diameters from outside to inside, the bottom annular floating pipes are communicated with the inner annular floating pipes, the bottom annular floating pipes support the inner net bottom, and the inner annular floating pipes at the bottom end are uniformly connected with the bottom annular floating pipes and the adjacent bottom annular floating pipes through pipe connecting pieces respectively;
A dirt collecting net sleeve is arranged at the middle part of the inner net bottom, and penetrates through the inner side of the innermost bottom annular floating pipe and extends out of the net cage;
At least one fish outlet net sleeve is arranged on the inner net of the annular floating pipe close to the bottom end;
a communicating pipe is arranged among the inner annular floating pipe, the outer annular floating pipe and the bottom annular floating pipe, the communicating pipe is communicated with the output end of a vent pipe, and the input end of the vent pipe is a free end;
An anchoring piece is arranged on one side of the pipe connector at the bottom end, which is close to the outer annular floating pipe;
A plurality of top annular floating pipes with gradually reduced diameters from outside to inside are arranged on the inner side of the inner annular floating pipe at the top end, and the top annular floating pipes are communicated with the inner annular floating pipe; the inner annular floating pipes at the top end are uniformly connected with the top annular floating pipes and the adjacent top annular floating pipes respectively through the pipe connecting pieces; two support pipes are symmetrically and fixedly connected to the pipe joint part between the adjacent top annular floating pipes and the pipe joint part between the adjacent bottom annular floating pipes respectively, the bottom ends of the support pipes are respectively closed, the top ends of the support pipes are respectively opened and are bait conveying ports, an annular bait feeding pipe is connected and communicated between the two support pipes, and a plurality of bait outlet ports are formed in the annular bait feeding pipe;
The pipe joint comprises two hoops which are connected in a butt joint way, wherein each hoop comprises a hoop body, a semicircular concave ring is respectively arranged at the middle part of each hoop body, clamping grooves are respectively arranged at the inner sides of the semicircular concave rings, joint surfaces are respectively symmetrically arranged at two ends of each hoop body, arc-shaped first holding grooves are respectively arranged on the joint surfaces at the same end and the same center line, a pressing plate is detachably connected on the joint surfaces at the same end through fasteners, an arc-shaped second holding groove is respectively arranged on the pressing plate and the same center line as the first holding groove, and the center lines of the first holding groove and the second holding groove are spatially perpendicular to the center line of the semicircular concave ring;
The pipe joint part between the inner annular floating pipe at the bottom end and the bottom annular floating pipe is provided with a first holding groove at two ends of the anchor ear body and a second holding groove on the pressing plate which are matched and respectively correspondingly hold the inner annular floating pipe at the bottom end and the bottom annular floating pipe in a surrounding manner; the pipe joint part between the adjacent bottom annular floating pipes is provided with a first holding groove on two ends of the hoop body and a second holding groove on the pressing plate which are matched and respectively correspondingly held and fixed with the adjacent bottom annular floating pipes;
The outer net bottom is connected between the bottom of the inner net and the bottom of the outer net, and the outer net bottom, the inner net and the outer net enclose a second cultivation cavity;
a first net cover is detachably connected to the top of the inner net, and the first net cover seals the first culture cavity;
a second net cover is detachably connected between the tops of the outer net and the inner net, and the second net cover seals a second culture cavity;
The outer side of the outer annular floating pipe at the bottom end is provided with a platform annular floating pipe which is communicated with the outer annular floating pipe, the outer annular floating pipe and the platform annular floating pipe are uniformly connected by the pipe joint, and a lower annular platform is arranged between the outer annular floating pipe and the platform annular floating pipe;
The top of the inner annular floating pipe, the outer annular floating pipe and the top annular floating pipe which are positioned at the top end are provided with an upper annular platform.
2. The pipe rack type lifting deepwater aquaculture net cage according to claim 1, wherein: the joint surfaces at two ends of the hoop body are symmetrically provided with certain inclination angles respectively, and the inclination angles are 30-75 degrees.
3. The pipe rack type lifting deepwater aquaculture net cage according to claim 1, wherein: the pipe joint part between the inner annular floating pipe and the outer annular floating pipe is characterized in that the two hoops after involution connection encircle and fix the vertical connecting pipe through the semicircular concave rings on the pipe joint part, and the first embracing grooves on the two ends of the hoop body are matched with the second embracing grooves on the pressing plate to correspondingly encircle and fix the inner annular floating pipe and the outer annular floating pipe respectively.
4. The pipe rack type lifting deepwater aquaculture net cage according to claim 1, wherein: the pipe joint part between the inner annular floating pipe at the top and the top annular floating pipe is provided with a first holding groove at two ends of the hoop body and a second holding groove on the pressing plate which are matched and respectively correspondingly held and fixed with the inner annular floating pipe at the top and the top annular floating pipe; and the pipe joint parts between the adjacent top annular floating pipes are matched with the first holding grooves on the two ends of the hoop body and the second holding grooves on the pressing plate to respectively and correspondingly hold and fix the adjacent top annular floating pipes.
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