CN112913793A - Device for catching and gathering fishes in large net cage - Google Patents
Device for catching and gathering fishes in large net cage Download PDFInfo
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- CN112913793A CN112913793A CN202110388346.3A CN202110388346A CN112913793A CN 112913793 A CN112913793 A CN 112913793A CN 202110388346 A CN202110388346 A CN 202110388346A CN 112913793 A CN112913793 A CN 112913793A
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- net
- side net
- netting
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009360 aquaculture Methods 0.000 description 5
- 244000144974 aquaculture Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
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- Life Sciences & Earth Sciences (AREA)
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- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The invention provides a large net cage fish gathering device, which comprises a net, a plurality of lifting ropes, two traction ropes, a plurality of O-shaped guide rings, a plurality of floating balls, a plurality of sinkers and a movable net, wherein the net is arranged on the net; the O-shaped guide ring is connected to the outside of the netting, and the traction rope penetrates through the O-shaped guide ring and is connected with the netting; the floating ball is connected to the top of one side of the netting, and the sinker and the lifting rope are connected through a slipknot and are arranged on the periphery of the bottom of the netting; an opening is formed in the side face of the netting, the bottom side of the movable net is connected with the bottom side of the netting, which forms the opening side, one end of the traction rope is connected to the top end of the movable net, and the other end of the traction rope penetrates through the O-shaped guide ring. The device for catching and gathering fish of the large-scale net cage has strong practicability and is suitable for large-scale culture net cages in deep and open sea.
Description
Technical Field
The invention relates to the field of large net cage culture equipment, in particular to a device and a method for catching fishes in a large net cage.
Background
With the rapid development of the marine aquaculture industry in China, the expansion of the marine aquaculture industry from offshore to offshore and deep and open sea has become a necessary trend for the development of the marine aquaculture industry in China. In recent years, domestic large-scale truss type deep and far sea culture net cages are rapidly developed, and the method has important significance for expanding culture sea areas, reducing environmental pressure, protecting and adjusting marine culture variety structures and promoting scientific deep sea culture. However, the research and development of matched net cage culture facilities in China are relatively laggard, wherein the research and development of the catching device for the net cage culture fishes is one of key matched technologies to be solved urgently. When the specifications of the net cage are small, fishing is mainly carried out by lifting the landing net for the netting, but the fishing mode is very difficult to use along with further expansion of the specifications of the net cage, so that a fishing and gathering device suitable for large truss type deep open sea aquaculture net cages needs to be developed urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a large-scale net cage fish catching device which is strong in practicability and suitable for large-scale truss type deep and open sea aquaculture net cages.
In order to achieve the above objects, the present invention provides a large-sized net cage fish gathering device,
comprises a netting, a plurality of lifting ropes, two traction ropes, a plurality of O-shaped guide rings, a plurality of floating balls, a plurality of sinkers and a movable net; the O-shaped guide ring is connected to the outside of the netting, and the traction rope penetrates through the O-shaped guide ring and is connected with the netting; the floating ball is connected to the top of one side of the netting, and the sinker and the lifting rope are connected through a slipknot and are arranged on the periphery of the bottom of the netting; an opening is formed in the side face of the netting, the bottom side of the movable net is connected with the bottom side of the netting, which forms the opening side, one end of the traction rope is connected to the top end of the movable net, and the other end of the traction rope penetrates through the O-shaped guide ring.
Preferably, the net comprises a first side net, a second side net, a third side net, a fourth side net, a fifth side net and a bottom net; the bottom net is pentagonal; the bottom of the first side net, the second side net, the third side net, the fourth side net and the fifth side net is connected with the periphery of the bottom net; the adjacent side edges of the first side net, the second side net, the third side net, the fourth side net and the fifth side net are connected; the first side net forms the opening, and the bottom side of the movable net is connected with the bottom edge of the first side net; the top of the fifth side net is connected with the floating ball; the sinker and the lifting rope are connected through a slipknot and are arranged on the periphery of the bottom net.
Preferably, a plurality of rope loops corresponding to each other are preset on adjacent edges of the first side net, the second side net, the third side net, the fourth side net, the fifth side net and the bottom net; the adjacent edges of the first side net, the second side net, the third side net, the fourth side net, the fifth side net and the bottom net are connected through ropes which are arranged in the rope ring in a penetrating way.
Preferably, a plurality of the O-shaped guide rings are fixed to the outer sides of the bottom net, the second side net and the third side net, respectively; one ends of the lifting ropes are uniformly distributed and fixed at the bottom end of the fifth side net, and the other ends of the lifting ropes penetrate through the O-shaped guide rings of the bottom net and the second side net or the O-shaped guide rings of the bottom net and the third side net and extend to the upper part of the netting.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
through the cooperation of netting, many lifting ropes and two haulage ropes, can realize the mode net haulage through adopting the circulation lifting rope, through lifting the lifting rope, the net piece can slide from top to bottom along the frame force line all around of box with a net, and the rigidity circle of bottom is motionless, repeatedly operable, convenient nimble laborsaving. The fishing mode can be customized according to the concrete net cage, the effect is better than the pull sewing rope mode, and the fishing mode is convenient, economical and practical.
Drawings
FIG. 1 is a schematic structural view of a large net cage fish catching apparatus according to an embodiment of the present invention;
FIG. 2 is a state diagram of the fishing net according to the embodiment of the present invention;
FIG. 3 is a first side network architecture diagram of an embodiment of the present invention;
fig. 4 is a state diagram of the netting gear after lifting the net by the lifting rope according to the embodiment of the invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, which are set forth in the accompanying drawings and figures 1-4, to provide a better understanding of the function and features of the invention.
Referring to fig. 1 to 4, a large net cage fish gathering device according to an embodiment of the present invention includes a net 1, a plurality of lifting ropes 2, two pulling ropes 3, a plurality of O-shaped guide rings 5, a plurality of floating balls 4, a plurality of sinkers 6, and a movable net 7; the O-shaped guide ring 5 is connected to the outside of the netting 1, and the traction rope 3 is arranged in the O-shaped guide ring 5 in a penetrating manner and connected with the netting 1; the floating ball 4 is connected with the top of one side of the netting 1, and the sinker 6 is connected with the lifting rope 2 through the slipknot and is arranged on the periphery of the bottom of the netting 1; an opening is formed in the side face of the netting 1, the bottom side of the movable net 7 is connected with the bottom side of the netting 1, the opening side is formed, one end of the traction rope 3 is connected to the top end of the movable net 7, the other end of the traction rope 3 penetrates through the O-shaped guide ring, and the movable net 7 is tightened or loosened through the traction rope 3 to close or open the opening.
The net 1 comprises a first side net 11, a second side net 12, a third side net 13, a fourth side net 14, a fifth side net 15 and a bottom net 16; the bottom net 16 is pentagonal; the bottom portions of the first side wire 11, the second side wire 12, the third side wire 13, the fourth side wire 14 and the fifth side wire 15 are connected to the outer periphery of the bottom wire 16; adjacent side edges of the first side wire 11, the second side wire 12, the third side wire 13, the fourth side wire 14 and the fifth side wire 15 are connected; the first side net 11 forms an opening, and the bottom side of the movable net 7 is connected with the bottom edge of the first side net 11; the top of the fifth side net 15 is connected with a floating ball 4; the sinker 6 is connected with the lifting rope 2 through a slipknot and is arranged on the periphery of the bottom net 16.
A plurality of rope rings corresponding to each other are preset on the adjacent edges of the first side net 11, the second side net 12, the third side net 13, the fourth side net 14, the fifth side net 15 and the bottom net 16; the adjacent edges of the first side net 11, the second side net 12, the third side net 13, the fourth side net 14, the fifth side net 15 and the bottom net 16 are connected through ropes arranged in rope rings.
A plurality of O-shaped guide rings are respectively fixed on the outer sides of the bottom net 16, the second side net 12 and the third side net 13; one ends of a plurality of lifting ropes 2 are uniformly distributed and fixed at the bottom end of the fifth side net 15, and the other ends of the lifting ropes 2 penetrate through the bottom net 16 and the O-shaped guide ring of the second side net 12 or the bottom net 16 and the O-shaped guide ring of the third side net 13 and extend above the netting 1.
According to the large net cage fishing and gathering device disclosed by the embodiment of the invention, when the large net cage is used for fishing, the large net cage is generally lifted by a fish suction pump or a crane on a fishing ship, but the cultured fishes must be gathered conveniently due to the large specification of the net coat 1. The fish gathering device is arranged in a large net cage before being caught, the movable net 7 is opened, fishes are induced to enter the fish gathering net device by throwing baits, and when fish water reaches a certain density, the movable net 7 is pulled up by the traction rope 3, so that the movable net 7 is closed and attached to the first side net 11, a closed area is formed in the fish gathering net, and the catching is started. And after the number of the fishes is reduced, the slipknots at the side of the bottom net 16 are separated from the sinkers 6, then the lifting ropes 2 are sequentially tightened along the net inlet direction, the net coat 1 is lifted, the fishes are gradually gathered to one side of the fish gathering net device, and the fishes are caught again until the catching is finished.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (4)
1. A large net cage fish gathering device is characterized by comprising a net, a plurality of lifting ropes, two traction ropes, a plurality of O-shaped guide rings, a plurality of floating balls, a plurality of sinkers and a movable net; the O-shaped guide ring is connected to the outside of the netting, and the traction rope penetrates through the O-shaped guide ring and is connected with the netting; the floating ball is connected to the top of one side of the netting, and the sinker and the lifting rope are connected through a slipknot and are arranged on the periphery of the bottom of the netting; an opening is formed in the side face of the netting, the bottom side of the movable net is connected with the bottom side of the netting, which forms the opening side, one end of the traction rope is connected to the top end of the movable net, and the other end of the traction rope penetrates through the O-shaped guide ring.
2. The large-scale net cage fish catching device of claim 1, wherein the net comprises a first side net, a second side net, a third side net, a fourth side net, a fifth side net and a bottom net; the bottom net is pentagonal; the bottom of the first side net, the second side net, the third side net, the fourth side net and the fifth side net is connected with the periphery of the bottom net; the adjacent side edges of the first side net, the second side net, the third side net, the fourth side net and the fifth side net are connected; the first side net forms the opening, and the bottom side of the movable net is connected with the bottom edge of the first side net; the top of the fifth side net is connected with the floating ball; the sinker and the lifting rope are connected through a slipknot and are arranged on the periphery of the bottom net.
3. The large-scale net cage fish catching device as claimed in claim 2, wherein a plurality of rope loops corresponding to each other are preset on the adjacent sides of the first side net, the second side net, the third side net, the fourth side net, the fifth side net and the bottom net; the adjacent edges of the first side net, the second side net, the third side net, the fourth side net, the fifth side net and the bottom net are connected through ropes which are arranged in the rope ring in a penetrating way.
4. The large-sized net cage fish catching device according to claim 2, wherein a plurality of the O-shaped guide rings are fixed to outer sides of the bottom net, the second side net and the third side net, respectively; one ends of the lifting ropes are uniformly distributed and fixed at the bottom end of the fifth side net, and the other ends of the lifting ropes penetrate through the O-shaped guide rings of the bottom net and the second side net or the O-shaped guide rings of the bottom net and the third side net and extend to the upper part of the netting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388346.3A CN112913793A (en) | 2021-04-12 | 2021-04-12 | Device for catching and gathering fishes in large net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110388346.3A CN112913793A (en) | 2021-04-12 | 2021-04-12 | Device for catching and gathering fishes in large net cage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112913793A true CN112913793A (en) | 2021-06-08 |
Family
ID=76174110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110388346.3A Pending CN112913793A (en) | 2021-04-12 | 2021-04-12 | Device for catching and gathering fishes in large net cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112913793A (en) |
-
2021
- 2021-04-12 CN CN202110388346.3A patent/CN112913793A/en active Pending
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