CN111616090A - Liftable and rotatable sea fish culture net cage and use method thereof - Google Patents

Liftable and rotatable sea fish culture net cage and use method thereof Download PDF

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Publication number
CN111616090A
CN111616090A CN202010460105.0A CN202010460105A CN111616090A CN 111616090 A CN111616090 A CN 111616090A CN 202010460105 A CN202010460105 A CN 202010460105A CN 111616090 A CN111616090 A CN 111616090A
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CN
China
Prior art keywords
net cage
aquaculture
cage body
aquaculture net
floating body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010460105.0A
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Chinese (zh)
Inventor
王宁
朱云龙
于国跃
黄晶
杨国超
王鑫
黄曌宇
李伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zhenghua Heavy Industries Co Ltd
Original Assignee
China Traffic Sea Engineering Ship Technology Research Center Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Traffic Sea Engineering Ship Technology Research Center Co ltd filed Critical China Traffic Sea Engineering Ship Technology Research Center Co ltd
Priority to CN202010460105.0A priority Critical patent/CN111616090A/en
Publication of CN111616090A publication Critical patent/CN111616090A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
    • 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 discloses a liftable and rotatable sea fish culture net cage and a use method thereof, wherein the net cage comprises a structural floating body, a culture net cage body, a lifting mechanism and a rotating mechanism; the structure floating body floats on the water surface, a hanging frame is arranged on the structure floating body, the lifting mechanism is arranged on the hanging frame, the lifting mechanism is connected with the aquaculture net cage body, and the aquaculture net cage body can realize ascending/descending movement relative to the structure floating body through the lifting mechanism; the surface of the aquaculture net cage body is coated with a fishing net; the rotating mechanism is arranged on the structural floating body and connected with the aquaculture net cage body, so that the aquaculture net cage body can rotate to shine the net when the aquaculture net cage body is in a descending state. The invention enables the net cage to have the functions of lifting and rotating, reduces the draught of the net cage, solves the problems of hauling, docking maintenance and adult fish capture of the net cage, and solves the problems of frequent replacement of the fishing net and convenient inspection of the damage of the fishing net caused by attachment of marine organisms.

Description

Liftable and rotatable sea fish culture net cage and use method thereof
Technical Field
The invention relates to mariculture equipment, in particular to a liftable and rotatable marine fish culture net cage and a using method thereof.
Background
In order to increase an effective aquaculture water body, most of the existing marine fish aquaculture net cages are located below the water surface, so that the bottom of the marine fish aquaculture net cage is far away from the water surface (namely, the bottom is far away from the water surface) and is limited by the channel water depth, and the hauling of the marine fish aquaculture net cage after the construction, the capture of the cultured marine fish and the dock maintenance of the marine fish aquaculture net cage in the later period of use are difficult. Meanwhile, in summer, the growth of marine organisms is vigorous, the fishing net immersed in seawater is easy to grow the marine organisms, and the traditional aquaculture net cage is faced with the problems that the fishing net is frequently replaced and the damage of the fishing net cannot be timely discovered.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a liftable and rotatable sea fish culture net cage and a using method thereof, so that the net cage has the functions of lifting and rotating, the net cage lifting function can reduce the net cage draught, and the problems of net cage hauling, docking maintenance and adult fish capturing are solved; the net cage rotating function can realize that the net is sunned to remove marine life, solves the problem that the marine life adheres to and leads to frequently changing the fishing net to and conveniently inspect the damaged difficult problem of fishing net.
In order to achieve the purpose, the invention adopts the following technical scheme:
on one hand, the liftable and rotatable sea fish culture net cage comprises a structural floating body, a culture net cage body, a lifting mechanism and a rotating mechanism;
the structure floating body floats on the water surface, a hanging frame is arranged on the structure floating body, the lifting mechanism is arranged on the hanging frame, the lifting mechanism is connected with the aquaculture net cage body, and the aquaculture net cage body can realize ascending/descending movement relative to the structure floating body through the lifting mechanism;
the surface of the aquaculture net cage body is coated with a fishing net;
the rotating mechanism is arranged on the structural floating body and connected with the aquaculture net cage body, so that the aquaculture net cage body can rotate to shine the net when the aquaculture net cage body is in a descending state.
Preferably, the structural float is arranged in a ring shape.
Preferably, the aquaculture net cage body is arranged in a ring of the structural floating body.
Preferably, the hanging frames are provided with a pair of hanging frames which are respectively arranged at two axial ends of the structural floating body in the long axis direction, and the hanging frames are respectively provided with a lifting mechanism.
Preferably, the lifting mechanisms comprise winches, a plurality of pulley blocks and steel wire ropes;
preferably, the winch is arranged on the hanger, the pulley blocks are arranged on the hanger and at the end of the aquaculture net cage body, one end of the steel wire rope is wound on the winch, and the other end of the steel wire rope penetrates through the pulley block on the hanger and the pulley block on the aquaculture net cage body and then is connected to the top of the hanger.
Preferably, the aquaculture net cage body is waist drum-shaped, cylindrical, prismatic or spherical, and is made of steel materials or other equivalent materials.
Preferably, the rotating mechanism comprises rotor structures arranged on the lower surfaces of the two axial end parts of the structural floating body, net cage rotating supports arranged on the two end parts of the aquaculture net cage body and matched with the rotor structures, and a plurality of net cage rotating winches arranged on the structural floating body and positioned on the two axial sides of the structural floating body;
each net cage rotating winch is wound with a net cage rotating steel wire rope, one end of each net cage rotating steel wire rope is wound on the net cage rotating winch, and the other end of each net cage rotating steel wire rope is wound on the fixed pulley and then connected to the end of the aquaculture net cage body.
Preferably, the rotor structure comprises a detachable base arranged on the lower surfaces of the two axial end parts of the structural floating body, and rotors which are arranged on the detachable base and uniformly distributed around the central position of the detachable base.
On the other hand, the use method of the liftable and rotatable sea fish culture net cage comprises a structural floating body, a culture net cage body, a lifting mechanism and a rotating mechanism;
the structural floating body floats on the water surface and provides buoyancy/support for the raising/lowering motion of the aquaculture net cage body, a hanging bracket is arranged on the structural floating body, the lifting mechanism is arranged on the hanging bracket, the lifting mechanism is connected with the aquaculture net cage body, and the aquaculture net cage body realizes the raising/lowering motion relative to the structural floating body through the lifting mechanism;
the surface of the aquaculture net cage body is coated with a fishing net;
the rotating mechanism is arranged on the structural floating body and connected with the aquaculture net cage body, so that the aquaculture net cage body can be rotated to expose a net when in a descending state;
the using method comprises the following steps:
when the lifting mechanism releases the aquaculture net cage body, the part of the aquaculture net cage body larger than 1/2 descends and is immersed in water to be in an aquaculture state, and the structural floating body provides buoyancy for the aquaculture net cage body;
the fishing net on the part of the aquaculture net cage body which is not immersed in water is aired and checked, and the aquaculture net cage body is driven to rotate in the clockwise or counterclockwise direction through the rotating mechanism, so that the fishing net on the aquaculture net cage body is integrally aired;
when the lifting mechanism tightens the aquaculture net cage body, the aquaculture net cage body is wholly or partially lifted and positioned on the water surface and is in a lifting state, and the structural floating body provides support for the aquaculture net cage body at the moment.
The structural floating body is annular, the aquaculture net cage body is arranged in the ring of the structural floating body, the hanging frames are provided with a pair of hanging frames which are respectively arranged at two axial ends of the structural floating body, and the hanging frames are respectively provided with a lifting mechanism.
The lifting mechanisms comprise winches, a plurality of pulley blocks and steel wire ropes;
the winch is arranged on the hanging bracket, the pulley blocks are arranged on the hanging bracket, one end of the steel wire rope is wound on the winch, and the other end of the steel wire rope penetrates through the pulley block on the hanging bracket and the pulley block on the aquaculture net cage body and then is connected to the top of the hanging bracket;
the winch releases the steel wire rope to realize the descending of the aquaculture net cage body;
and the winch tightens the steel wire rope to realize the rising of the aquaculture net cage body.
Preferably, the aquaculture net cage body is waist drum-shaped, cylindrical, prismatic or spherical, is made of steel materials, and is coated with a fishing net on the surface.
Preferably, the rotating mechanism comprises rotor structures arranged on the lower surfaces of the two axial end parts of the structural floating body, net cage rotating supports arranged on the two end parts of the aquaculture net cage body and matched with the rotor structures, and a plurality of net cage rotating winches arranged on the structural floating body and positioned on the two axial sides of the structural floating body;
each net cage rotating winch is wound with a net cage rotating steel wire rope, one end of each net cage rotating steel wire rope is wound on the net cage rotating winch, and the other end of each net cage rotating steel wire rope is wound on a fixed pulley and then connected to the end part of the aquaculture net cage body;
and the net cage rotating winch on the same side tightens up the net cage rotating steel wire rope at the same time, so that the aquaculture net cage body rotates towards the side direction.
In the technical scheme, the liftable and rotatable sea fish culture net cage and the use method thereof provided by the invention have the advantages that the culture net cage body is lowered through the lifting mechanism, so that the part of the culture net cage body, which is larger than the integral 1/2, is immersed in water, the effective culture water body is increased, the culture net cage body exposed out of the water surface can be used for sunning a net, and the structural floating body provides buoyancy for the culture net cage body to prevent the culture net cage body from directly sinking to the bottom of the water. The raising of the aquaculture net cage body is realized by lifting the aquaculture net cage body through the lifting mechanism, so that the integral draft of the aquaculture net cage is reduced, the structural floating body provides support for the aquaculture net cage body, the aquaculture net cage body is wholly or partially lifted and is positioned on the water surface, the towing and docking maintenance of the aquaculture net cage body are facilitated, the aquaculture water volume is reduced, and the adult fishes are concentrated at the bottom of the net cage and are convenient to capture.
Drawings
Fig. 1 is a front view of an embodiment of a marine fish aquaculture cage of the present invention in a raised state;
fig. 2 is a side view of the embodiment of the marine fish aquaculture cage of fig. 1 in a raised condition;
fig. 3 is a top view of the embodiment of the marine fish aquaculture cage of fig. 1 in a raised condition;
FIG. 4 is a front view of an embodiment of the marine fish aquaculture cage of the present invention in a aquaculture state;
FIG. 5 is a side view of the marine fish aquaculture cage of FIG. 4 in an aquaculture configuration;
FIG. 6 is a top view of the marine fish aquaculture cage of FIG. 4 in an aquaculture configuration;
FIG. 7 is a schematic view of a cultivation net cage body in a waist drum shape in an embodiment of the sea fish cultivation net cage of the present invention;
FIG. 8 is a schematic view of a spherical cage body of a marine fish farming cage according to an embodiment of the present invention;
FIG. 9 is an enlarged schematic view of portion A of FIG. 5;
fig. 10 is an enlarged schematic view of a portion B in fig. 2.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
Referring to fig. 1 to 6, the liftable and rotatable marine fish aquaculture net cage provided by the invention comprises a structural floating body 1, an aquaculture net cage body 2, a lifting mechanism and a rotating mechanism.
The structural floating body 1 floats on the water surface to provide buoyancy for the whole net cage, is made of steel or other equivalent materials, has enough strength, is guaranteed not to be damaged in stormy waves, and provides support for the aquaculture net cage body 2 carried by the structural floating body.
The floating body 1 in the structure of the embodiment is in an elliptical ring shape, and two ends in the long axial direction are provided with straight line segments.
All be equipped with gallows 3 on the straightway of structure body 1, elevating system installs on gallows 3, and gallows 3 provides the support for elevating system, has sufficient intensity, and elevating system links to each other with aquaculture net cage body 2, and aquaculture net cage body 2 passes through elevating system in order to realize for the ascending or/and the descending motion that structure body 1 goes on.
The aquaculture net cage body 2 is of a frame structure, the shape of the aquaculture net cage body can be waist drum shape (shown in figure 7), cylindrical shape, prism shape, spherical shape (shown in figure 8) or other geometric shapes, and the aquaculture net cage body 2 of the embodiment is waist drum shape and is arranged in the ring of the structural floating body 1 and is matched with the shape of the structural floating body 1. The aquaculture net cage body 2 is made of steel or other equivalent materials.
The surface of the aquaculture net cage body 2 is wrapped with a fishing net, the whole aquaculture net cage body 2 is wrapped by the fishing net, and a closed aquaculture space is formed in the aquaculture net cage body and is a fish activity area.
The hanging bracket 3 is provided with a pair of straight line sections which are respectively and correspondingly arranged on the structural floating body 1, and the hanging bracket 3 is provided with a lifting mechanism.
The lifting mechanisms comprise winches 4, a plurality of pulley blocks 5 and steel wire ropes 6.
The winch 4 is installed on the hanger 3, the pulley blocks 5 are installed on the hanger 3 and the end of the aquaculture net cage body 2 respectively, one end of the steel wire rope 6 is wound on the winch 4, and the other end of the steel wire rope 6 penetrates through the pulley block 5 on the hanger 3 and the pulley block 5 on the aquaculture net cage body 2 and then is connected to the top of the hanger 3.
The rotating mechanism comprises rotor structures 7 arranged on the lower surfaces of the two end parts of the structural floating body 1 in the axial direction of the long shaft, net cage rotating supports 8 which are arranged on the two end parts of the aquaculture net cage body 2 and are matched with the rotor structures 7, and a plurality of net cage rotating winches 9 which are arranged on the structural floating body 1 and are positioned on the two sides of the structural floating body 1 in the axial direction of the long shaft.
Each net cage rotating winch 9 is wound with a net cage rotating steel wire rope 10, one end of each net cage rotating steel wire rope 10 is wound on the net cage rotating winch 9, and the other end of each net cage rotating steel wire rope 10 is wound on a fixed pulley 11 arranged on the structural floating body 1 and then is connected to the end position of the aquaculture net cage body 2.
As shown in fig. 9, the rotor structure 7 includes a detachable base 701 mounted on the lower surface of the floating body 1 at two axial ends, and six rotors 702 mounted on the detachable base 701 and uniformly distributed around the center of the detachable base 701, the top of the detachable base 701 can be detached, the two uppermost rotors 702 are detached, and a mounting opening 703 (as shown in fig. 10) is formed on the detachable base 701, so as to facilitate the mounting and positioning of the rotating support 8 of the net cage.
When the winch 4 releases the steel wire rope 6, the length of the steel wire rope 6 is increased to realize the descending of the aquaculture net cage body 2, so that the aquaculture net cage body 2 is immersed in water and is in an aquaculture state, at the moment, the fishing net on the part, which is not immersed in water, of the aquaculture net cage body 2 can be aired and inspected, the problem that the fishing net is attached to marine organisms is solved, the frequent replacement of the fishing net is avoided, meanwhile, the damage condition of the fishing net can be conveniently inspected, the fishing net can be found and repaired as early as possible, the loss caused by the escape of marine fishes is reduced, the aquaculture net cage body 2 is driven to rotate in the clockwise direction or the counterclockwise direction through the rotating mechanism, the fishing net is aired in a regional mode, and the whole airing.
When the winch 4 tightens the steel wire rope 6, the length of the wire rope 6 is shortened to realize the rising of the aquaculture net cage body 2, so that the aquaculture net cage body 2 is in a rising state on the water surface.
The invention also provides a use method of the liftable and rotatable sea fish culture net cage, and the sea fish culture net cage comprises a structural floating body 1, a culture net cage body 2, a lifting mechanism and a rotating mechanism.
The structure body 1 floats on the water surface, corresponding buoyancy and/or support are provided for the ascending and/or descending motion of the aquaculture net cage body 2, the structure body 1 is arranged to be in an elliptical ring shape, two end portions of the long axial direction of the structure body are arranged to be straight line segments, hanging frames 3 are arranged on the straight line segments, the lifting mechanisms are arranged on the hanging frames 3, the hanging frames 3 provide support for the lifting mechanisms, the strength is sufficient, the lifting mechanisms are connected with the end portions of the aquaculture net cage body 2, and the aquaculture net cage body 2 moves up and/or down relative to the structure body 1 through the lifting mechanisms.
The surface of the aquaculture net cage body 2 is wrapped with a fishing net, the whole aquaculture net cage body 2 is wrapped by the fishing net, and a closed aquaculture space is formed in the aquaculture net cage body and is a fish activity area.
The rotating mechanism is arranged on the structural floating body 1 and is also connected with the aquaculture net cage body 2, so that the rotary net airing function of the aquaculture net cage body 2 can be realized when the aquaculture net cage body 2 is in a descending state.
The using method of the invention comprises the following steps:
when the lifting mechanism releases the aquaculture net cage body 2, most of the aquaculture net cage body 2 (the part larger than the whole 1/2) is made to descend and immerse into water to be in an aquaculture state, and the structural floating body 1 provides buoyancy for the aquaculture net cage body 2;
the fishing net on the part of the aquaculture net cage body 2 which is not immersed in the water can be aired and checked, the aquaculture net cage body 2 is driven by the rotating mechanism to rotate in the clockwise direction or the anticlockwise direction, the fishing net is aired in a regional mode, and finally the whole airing of the fishing net on the aquaculture net cage body 2 is achieved.
In a culture state, the rotary supporting device 8 supports the culture net cage body 2, the net cage rotary winch 9 drives the net cage rotary steel wire rope 10 to drive, and the culture net cage body 2 can rotate around the rotary supporting device 8 in the clockwise direction or the anticlockwise direction. The aquaculture net cage body 2 is covered with a fishing net to form a closed aquaculture space, the middle part of the aquaculture net cage body 2, which is immersed in water, is a fish activity area, the upper part of the aquaculture net cage body is exposed out of the water, and attached marine organisms are removed through the processes of sunshine, drying in the sun, air drying and the like. The aquaculture net cage body 2 rotates part of the underwater fishing net to discharge water periodically through rotation, and self-cleaning of the whole fishing net is achieved. Meanwhile, the damaged condition of the fishing net can be conveniently checked by rotating the aquaculture net cage body 2, the fishing net can be conveniently found and repaired as soon as possible, and the economic loss of escaping of the marine fishes caused by the damaged fishing net is reduced.
When the lifting mechanism tightens up the aquaculture net cage body 2, the aquaculture net cage body 2 is wholly or partially lifted and positioned on the water surface and is in a lifting state, and the structural floating body 1 provides support for the aquaculture net cage body 2 at the moment.
When the aquaculture net cage body 2 is in a lifting state, the winch 4, the pulley block 5 and the steel wire rope 6 are used for lifting, so that the part of the aquaculture net cage body immersed in water is gradually reduced, and the integral draught of the aquaculture net cage is reduced. The draught reduction can solve the problems of launching, towing and docking maintenance of the aquaculture net cage in the later use period after the aquaculture net cage is integrally built; meanwhile, after the aquaculture net cage body 2 is lifted, a closed space formed by the fishing nets immersed in water is reduced, and sea fishes are concentrated in a small water body, so that the fishing is facilitated, and the problem of adult fish capture is solved.
The aquaculture net cage body 2 is of a frame type structure and is in a waist drum shape, a cylindrical shape, a prism shape, a spherical shape or other geometric shapes, the aquaculture net cage body 2 of the embodiment is in a waist drum shape and is arranged in the ring of the structural floating body 1 and is matched with the structural floating body 1 in shape, and therefore the aquaculture net cage body 2 can ascend and/or descend in the ring of the structural floating body 1. The aquaculture net cage body 2 is made of steel or other equivalent materials.
The surface of the aquaculture net cage body 2 is wrapped with a fishing net, the whole aquaculture net cage body 2 is wrapped by the fishing net, and a closed aquaculture space is formed in the aquaculture net cage body and is a fish activity area.
The lifting mechanisms comprise winches 4, a plurality of pulley blocks 5 and steel wire ropes 6.
The winch 4 is installed on the hanger 3, the pulley blocks 5 are installed on the hanger 3 and the end of the aquaculture net cage body 2 respectively, one end of the steel wire rope 6 is wound on the winch 4, and the other end of the steel wire rope 6 penetrates through the pulley block 5 on the hanger 3 and the pulley block 5 on the aquaculture net cage body 2 and then is connected to the top of the hanger 3.
When the winch 4 releases the steel wire rope 6, the length of the steel wire rope 6 is increased to realize the descending of the aquaculture net cage body 2, so that the aquaculture net cage body 2 is immersed in water and is in an aquaculture state.
When the winch 4 tightens the steel wire rope 6, the length of the wire rope 6 is shortened to realize the rising of the aquaculture net cage body 2, so that the aquaculture net cage body 2 is in a rising state on the water surface, the integral draft of the aquaculture net cage is reduced, the structural floating body provides support for the aquaculture net cage body, the aquaculture net cage body is positioned on the water surface, and the towing, docking maintenance and adult fish capture of the aquaculture net cage body are facilitated.
When the aquaculture net cage body 2 is in an aquaculture state, the net cage rotating steel wire rope 10 of the rotating mechanism is in an installation state, 6 rotors 702 of the rotor mechanism 7 are in a complete state, the steel wire rope 6 of the lifting mechanism is in a disassembly state, and the net cage rotating winch 9 drives the net cage rotating steel wire rope 10 to drive the aquaculture net cage body 2 to rotate.
When the aquaculture net cage body 2 needs to be hauled, maintained in a dock or used for fishing, the aquaculture net cage body 2 needs to be lifted, before lifting, the net cage rotating steel wire rope 10 is firstly detached, meanwhile, the uppermost 2 rotors of the rotor structures 7 are detached, then, the steel wire rope 6 of the lifting mechanism is installed, and the lifting and descending of the aquaculture net cage body 2 are realized through the driving of the winch 4 of the lifting mechanism.
When the aquaculture net cage body 2 needs to be converted into an aquaculture state, the hoisting mechanism firstly descends the aquaculture net cage body 2 to enable the rotary supporting device 8 to be placed into the rotor mechanism 7, 2 rotors 702 on the top of the rotor mechanism 7 are installed, the steel wire ropes 6 of the hoisting mechanism are removed, then the net cage rotary steel wire ropes 10 of the rotary mechanism are installed to realize the rotation of the aquaculture net cage body 2, and the like, so that the lifting and rotary switching operation of the aquaculture net cage body 2 is realized.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (13)

1. The utility model provides a can rise, rotatable sea fish aquaculture net case which characterized in that: comprises a structural floating body, a cultivation net cage body, a lifting mechanism and a rotating mechanism;
the structure floating body floats on the water surface, a hanging frame is arranged on the structure floating body, the lifting mechanism is arranged on the hanging frame, the lifting mechanism is connected with the aquaculture net cage body, and the aquaculture net cage body can realize ascending/descending movement relative to the structure floating body through the lifting mechanism;
the surface of the aquaculture net cage body is coated with a fishing net;
the rotating mechanism is arranged on the structural floating body and connected with the aquaculture net cage body, so that the aquaculture net cage body can rotate to shine the net when the aquaculture net cage body is in a descending state.
2. A liftable, rotatable marine fish aquaculture cage according to claim 1, characterized in that: the structural float is arranged in a ring shape.
3. A liftable, rotatable marine fish aquaculture cage according to claim 2, characterized in that: the aquaculture net cage body is arranged in the ring of the structural floating body.
4. A liftable, rotatable marine fish aquaculture cage according to claim 3, characterized in that: the hanging frames are provided with a pair of hanging frames which are respectively arranged at two axial ends of the structural floating body in the long axis direction, and the hanging frames are provided with lifting mechanisms.
5. A liftable and rotatable marine fish aquaculture net cage according to claim 4, characterized in that: the lifting mechanisms comprise winches, a plurality of pulley blocks and steel wire ropes;
the winch is arranged on the hanging bracket, the pulley blocks are arranged on the hanging bracket and the end part of the aquaculture net cage body, one end of the steel wire rope is wound on the winch, and the other end of the steel wire rope penetrates through the pulley block on the hanging bracket and the pulley block on the aquaculture net cage body and then is connected to the top of the hanging bracket.
6. A liftable, rotatable marine fish aquaculture cage according to claim 3, characterized in that: the aquaculture net cage body is waist drum-shaped, cylindrical, prismatic or spherical, and is made of steel materials.
7. A liftable and rotatable marine fish aquaculture net cage according to claim 6, characterized in that: the rotating mechanism comprises rotor structures arranged on the lower surfaces of the two axial end parts of the structural floating body, net cage rotary supports arranged on the two end parts of the aquaculture net cage body and matched with the rotor structures, and a plurality of net cage rotating winches arranged on the structural floating body and positioned on the two axial sides of the structural floating body;
each net cage rotating winch is wound with a net cage rotating steel wire rope, one end of each net cage rotating steel wire rope is wound on the net cage rotating winch, and the other end of each net cage rotating steel wire rope is wound on the fixed pulley and then connected to the end of the aquaculture net cage body.
8. A liftable, rotatable marine fish aquaculture cage according to claim 7, wherein: the rotor structure comprises a detachable base arranged on the lower surfaces of the two axial end parts of the structural floating body, and rotors which are uniformly distributed on the detachable base and around the central position of the detachable base.
9. A use method of a liftable and rotatable sea fish culture net cage is characterized in that: the sea fish culture net cage comprises a structural floating body, a culture net cage body, a lifting mechanism and a rotating mechanism;
the structural floating body floats on the water surface and provides buoyancy/support for the raising/lowering motion of the aquaculture net cage body, a hanging bracket is arranged on the structural floating body, the lifting mechanism is arranged on the hanging bracket, the lifting mechanism is connected with the aquaculture net cage body, and the aquaculture net cage body realizes the raising/lowering motion relative to the structural floating body through the lifting mechanism;
the surface of the aquaculture net cage body is coated with a fishing net;
the rotating mechanism is arranged on the structural floating body and connected with the aquaculture net cage body, so that the aquaculture net cage body can be rotated to expose a net when in a descending state;
the using method comprises the following steps:
when the lifting mechanism releases the aquaculture net cage body, the part of the aquaculture net cage body larger than 1/2 descends and is immersed in water to be in an aquaculture state, and the structural floating body provides buoyancy for the aquaculture net cage body;
the fishing net on the part of the aquaculture net cage body which is not immersed in water is aired and checked, and the aquaculture net cage body is driven to rotate in the clockwise or counterclockwise direction through the rotating mechanism, so that the fishing net on the aquaculture net cage body is integrally aired;
when the lifting mechanism tightens the aquaculture net cage body, the aquaculture net cage body is wholly or partially lifted and positioned on the water surface and is in a lifting state, and the structural floating body provides support for the aquaculture net cage body at the moment.
10. The method of using a liftable and rotatable marine fish aquaculture cage according to claim 9, wherein: the structural floating body is annular, the aquaculture net cage body is arranged in the ring of the structural floating body, the hanging frames are provided with a pair of hanging frames which are respectively arranged at two axial ends of the structural floating body, and the hanging frames are respectively provided with a lifting mechanism.
11. The method of using a liftable, rotatable marine fish farming cage according to claim 10, wherein: the lifting mechanisms comprise winches, a plurality of pulley blocks and steel wire ropes;
the winch is arranged on the hanging bracket, the pulley blocks are arranged on the hanging bracket, one end of the steel wire rope is wound on the winch, and the other end of the steel wire rope penetrates through the pulley block on the hanging bracket and the pulley block on the aquaculture net cage body and then is connected to the top of the hanging bracket;
the winch releases the steel wire rope to realize the descending of the aquaculture net cage body;
and the winch tightens the steel wire rope to realize the rising of the aquaculture net cage body.
12. The method of using a liftable, rotatable marine fish farming cage according to claim 10, wherein: the aquaculture net cage body is waist drum-shaped, cylindrical, prismatic or spherical, is made of steel materials, and is coated with a fishing net on the surface.
13. The method of using a liftable, rotatable marine fish farming cage according to claim 10, wherein: the rotating mechanism comprises rotor structures arranged on the lower surfaces of the two axial end parts of the structural floating body, net cage rotary supports arranged on the two end parts of the aquaculture net cage body and matched with the rotor structures, and a plurality of net cage rotating winches arranged on the structural floating body and positioned on the two axial sides of the structural floating body;
each net cage rotating winch is wound with a net cage rotating steel wire rope, one end of each net cage rotating steel wire rope is wound on the net cage rotating winch, and the other end of each net cage rotating steel wire rope is wound on a fixed pulley and then connected to the end part of the aquaculture net cage body;
and the net cage rotating winch on the same side tightens up the net cage rotating steel wire rope at the same time, so that the aquaculture net cage body rotates towards the side direction.
CN202010460105.0A 2020-05-27 2020-05-27 Liftable and rotatable sea fish culture net cage and use method thereof Pending CN111616090A (en)

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CN202010460105.0A CN111616090A (en) 2020-05-27 2020-05-27 Liftable and rotatable sea fish culture net cage and use method thereof

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Application Number Priority Date Filing Date Title
CN202010460105.0A CN111616090A (en) 2020-05-27 2020-05-27 Liftable and rotatable sea fish culture net cage and use method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113749026A (en) * 2021-09-01 2021-12-07 哈尔滨工业大学（威海） Automatic shine web frame and cylinder mould
AU2021341408B2 (en) * 2020-09-10 2023-05-04 Seafarming Systems As A fish farming facility comprising a controllable enclosure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2021341408B2 (en) * 2020-09-10 2023-05-04 Seafarming Systems As A fish farming facility comprising a controllable enclosure
CN113749026A (en) * 2021-09-01 2021-12-07 哈尔滨工业大学（威海） Automatic shine web frame and cylinder mould

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