CN111528189A - Fish collecting and catching device and method for cultivation ship - Google Patents
Fish collecting and catching device and method for cultivation ship Download PDFInfo
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- CN111528189A CN111528189A CN202010530696.4A CN202010530696A CN111528189A CN 111528189 A CN111528189 A CN 111528189A CN 202010530696 A CN202010530696 A CN 202010530696A CN 111528189 A CN111528189 A CN 111528189A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 241000251468 Actinopterygii Species 0.000 claims abstract description 299
- 238000009395 breeding Methods 0.000 claims abstract description 15
- 230000001488 breeding effect Effects 0.000 claims abstract description 15
- 238000009360 aquaculture Methods 0.000 claims description 39
- 244000144974 aquaculture Species 0.000 claims description 39
- 238000005086 pumping Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 108010066057 cabin-1 Proteins 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009182 swimming Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
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- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009364 mariculture Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 108090000623 proteins and genes Proteins 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
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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Abstract
The invention provides a fish collecting and catching device and method for a culture ship, and belongs to the technical field of fish cargo catching. This fishing of gathering fish plays device is including breeding the cabin, breeds the cabin and has breed the chamber, breeds and is provided with first album of fish net, second album of fish net and third album of fish net in the chamber, and the bottom in breeding the chamber is fixed to third album of fish net, and the one end of second album of fish net is articulated mutually with the one end of third album of fish net, and the top that first album of fish net is located second album of fish net and third album of fish net can reciprocate for the two. The fishing device forms a fish collecting space firstly, then the fish collecting space is gradually reduced, the fishing is very convenient to capture, and the automation of fishing can be realized.
Description
Technical Field
The invention belongs to the technical field of aquaculture fish cargo capturing equipment, and relates to a fish collecting and capturing device and method for an aquaculture ship.
Background
The aquaculture industry in China has gained remarkable achievement after decades of development, however, the aquaculture production mode is relatively extensive overall, the aquaculture production mode is influenced by the deterioration of the external water area environment and the deterioration of the internal water quality, the aquaculture space on inland and coastal near banks is squeezed, and the problems of overlarge aquaculture density, frequent disease occurrence, environmental deterioration and the like are increasingly prominent.
In the face of the urgent need of the nation for high-quality protein, the decline of fishery resources and other current situations, the expansion of mariculture from offshore to open sea becomes a necessary choice for sustainable development of mariculture in China.
The fishing mode of the fishery culture in China at present is to increase the density of fishes by putting a net and lifting the net, and then use a crane to match with the fishing net. The aquaculture ship is a special ship for deep and open sea aquaculture development, a culture cabin is formed by storing seawater by utilizing the volume of the cabin, adult fishes in the culture cabin are collected and caught, and how to improve the convenience of catching is realized.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fish collecting and catching device for a culture ship, which aims to solve the technical problems that: how to improve the convenience of capture.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a breed fish gathering of worker's ship and play catching device, is including breeding the cabin, it has the breed chamber to breed the cabin, be provided with first album of fish net, second collection fish net and third collection fish net in breeding the chamber, the bottom in breeding the chamber is fixed to third collection fish net, the one end of second collection fish net with the one end of third collection fish net is articulated mutually, first collection fish net is located the top of second collection fish net and third collection fish net can reciprocate for the two.
The working principle is as follows: when fishing is started, the first fish collecting net moves downwards along the culture cabin under the action of gravity, the space formed by the first fish collecting net and the inner wall of the culture cavity becomes smaller gradually, and fish are gathered slowly in the space. When the fish collecting net moves to a proper position, the first fish collecting net stops moving, the first fish collecting net, the second fish collecting net, the third fish collecting net and the bottom of the culture cavity are enclosed to form a fish collecting space, fish reaching the fishing level are collected in the space, then the second fish collecting net starts to rotate around the end part of the third fish collecting net under the driving of the driving mechanism, the included angle between the second fish collecting net and the third fish collecting net is gradually reduced, finally the fish are collected in a smaller area, and in the process of driving and collecting the fish by the first fish collecting net or the second fish collecting net, when the density of the fish reaches the fishing standard, the vacuum fish pumping device is started. The fishing device gradually reduces the activity space of the fishes reaching the fishing level, slowly gathers the fishes, and is very convenient to capture the fishes.
As an embodiment, a movable steel wire rope can be fixed on the first fish gathering net, and the position of the first fish gathering net hovering in the culture cavity is controlled by the steel wire rope.
In the fish collecting and catching device for the cultivation ship, the cultivation cabin is connected with the fish pumping pipe, the fish pumping pipe is provided with a fish pumping port, and the fish pumping port is arranged on the bottom wall of the bottom of the cultivation cabin or the side wall of the bottom of the cultivation cabin and is positioned between the second fish collecting net and the third fish collecting net. When first album of fish net moves down and contained angle between second collection fish net and the third collection fish net reduces gradually, the fish slowly concentrates on in a less region, and the fish that is concentrated is located out near the fish mouth, opens the vacuum and takes out the fish device, takes out the fish from breeding the intracavity through taking out the fish pipe, and this structure can further improve the convenience of catching.
In the fish collecting and catching device for the aquaculture ship, the second fish collecting net and the third fish collecting net are arranged along the height direction of the aquaculture cabin, the outer end parts of the second fish collecting net and the third fish collecting net are abutted against the inner wall of the aquaculture cavity, and the bottoms of the second fish collecting net and the third fish collecting net are abutted against the bottom of the aquaculture cavity. This structure can prevent to concentrate the fish between second collection fish net and the third collection fish net from breeding the bottom in chamber and near the inner wall and wandering out, improves collection fish efficiency.
In the fish collecting and catching device for the aquaculture ship, the tops of the second fish collecting net and the third fish collecting net are flush, and the first fish collecting net is arranged along the horizontal direction and can be abutted against the tops of the second fish collecting net and the third fish collecting net. The structure can prevent fish in the fish collecting space from swimming out of the tops of the second fish collecting net and the third fish collecting net, further improve the fish collecting effect and improve the capturing convenience.
In the fish-collecting and catching device for the aquaculture ship, an installation shaft is fixed in the aquaculture cabin, a first sliding block is fixed in the middle of the first fish collecting net, the first sliding block is connected to the installation shaft in a sliding manner, the inner end of the third fish collecting net is fixed on the installation shaft, and the inner end of the second fish collecting net is hinged to the installation shaft. First slider and installation axle form first guide structure for stability when improving first album fish net and remove.
In the fish collecting and catching device of the aquaculture ship, the edge of the first fish collecting net is provided with a first annular outer frame, and a plurality of reinforcing rods are connected in the first outer frame. The frame makes first fish gathering net non-deformable, and frame and stiffener play the effect of gaining in strength, make first fish gathering net more firm. Meshes of the first fish collecting net are arranged according to the size of the fish, so that the first fish collecting net plays a role in screening small fishes and catching big fishes.
In the fish collecting and catching device for the cultivation ship, the shape of the cultivation cavity is matched with that of the first outer frame, a plurality of support rods are fixed in the cultivation cavity, a plurality of second sliding blocks are fixed on the first outer frame, and the second sliding blocks are slidably connected to one support rod. The second slider and the bracing piece form second guide structure, can further improve the stability when first album of fish net removes.
In the fish collecting and catching device for the aquaculture ship, the aquaculture cabin is cylindrical, and the support rods are distributed in the aquaculture cavity along the circumferential direction of the installation shaft.
In the fish collecting and catching device for the aquaculture ship, a cylindrical or truncated cone-shaped cylinder body is arranged at the bottom of the aquaculture cavity, a second outer frame and a third outer frame are respectively arranged on the outer edges of the second fish collecting net and the third fish collecting net, a shaft sleeve is arranged on the second outer frame and hinged to the mounting shaft, the bottoms of the second outer frame and the third outer frame are abutted against the bottom of the cylinder body, a rolling shaft is arranged at the outer end parts of the second outer frame and the third outer frame, and the rolling shaft is abutted against the inner wall of the cylinder body. The structure can well prevent fish between the second fish collecting net and the third fish collecting net from swimming out from the bottom of the barrel and the position near the inner wall, the cross section of the barrel is circular, the outer end part of the second outer frame is always in contact with the inner wall of the barrel and does not interfere with the inner wall of the barrel in the rotating process of the second fish collecting net, and the rotating smoothness is guaranteed.
Another object of the present invention is to provide a method for fish gathering, comprising the steps of:
A. the first fish collecting net slowly moves downwards through gravity, the space formed by the first fish collecting net and the inner wall of the culture cavity is gradually reduced, and the fish are gradually gathered;
B. starting a vacuum fish pumping device when the fish reaches the catching density, and pumping the fish out of the culture cabin through a fish pumping pipe;
C. after the first fish collecting net moves to a proper position, the first fish collecting net stops moving through a steel wire rope, and a fish collecting space is formed by the first fish collecting net, the second fish collecting net, the third fish collecting net and the bottom of the culture cavity;
D. the second fish collecting net is driven to rotate around the end part of the third fish collecting net through a driving mechanism, so that the fishes are concentrated in a smaller area;
E. and after the capture is finished, the first fish collecting net and the second fish collecting net are reset through the driving mechanism and the steel wire rope, and the first fish collecting net and the second fish collecting net are returned to the initial positions.
Compared with the prior art, the invention has the following advantages:
1. the fishing device forms a fish collecting space firstly, then the fish collecting space is gradually reduced, the fishing is very convenient to capture, and the automation of fishing can be realized.
2. The fishing device is convenient to operate, and the workload of fishing can be reduced.
3. The fishing device can screen out small fishes which do not reach the fishing level in the fishing process, and fish the fishes meeting the specification.
Drawings
FIG. 1 is a schematic view of the construction of the present fishing apparatus;
FIG. 2 is a schematic cross-sectional view of the second fishing net at the beginning of rotation;
FIG. 3 is a schematic view of the first and second fish collecting nets forming a fish collecting space;
FIG. 4 is a schematic structural view of a first fish gathering net;
fig. 5 is a schematic structural view of a second fish collecting net;
FIG. 6 is a schematic view of the fish tube during fish extraction;
fig. 7 is a flow chart of the fish catching method.
In the figure, 1, a culture cabin; 2. a culture cavity; 3. a first fish collecting net; 4. a second fish collecting net; 5. a third fish collecting net; 6. a fish pumping pipe; 7. a fish outlet; 8. installing a shaft; 9. a first slider; 10. a first outer frame; 11. a reinforcing bar; 12. a support bar; 13. a second slider; 14. a barrel; 15. a second outer frame; 16. and a shaft sleeve.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the fish-collecting fishing device comprises a breeding cabin 1, wherein the breeding cabin 1 is provided with a breeding cavity 2, a first fish-collecting net 3, a second fish-collecting net 4 and a third fish-collecting net 5 are arranged in the breeding cavity 2, the third fish-collecting net 5 is fixed at the bottom of the breeding cavity 2, one end of the second fish-collecting net 4 is hinged with one end of the third fish-collecting net 5, and the first fish-collecting net 3 is positioned above the second fish-collecting net 4 and the third fish-collecting net 5 and can move up and down relative to the first fish-collecting net and the third fish-collecting net.
As shown in fig. 1-3, when fishing is started, the first fish collecting net 3 moves downward along the culture chamber 1 under the action of gravity, and the space formed by the first fish collecting net 3 and the inner wall of the culture chamber 2 becomes gradually smaller, and fish are slowly gathered in the space. After moving to a proper position, the first fish collecting net 3 stops moving, the first fish collecting net 3, the second fish collecting net 4, the third fish collecting net 5 and the bottom of the culture cavity 2 are enclosed to form a fish collecting space, fish reaching the fishing level are collected in the space, then under the driving of the driving mechanism, the second fish collecting net 4 starts to rotate around the end part of the third fish collecting net 5, the included angle between the second fish collecting net 4 and the third fish collecting net 5 is gradually reduced, and finally the fish are collected in a smaller area. In the process of driving and concentrating the fishes by the first fish collecting net 3 or the second fish collecting net 4, when the density of the fishes reaches the catching standard, the vacuum fish pumping device is started
As an embodiment, a movable wire rope may be fixed on the first fish-collecting net 3, and the position of the first fish-collecting net 3 suspended in the culture cavity 2 is controlled by the wire rope.
As shown in fig. 1, in this embodiment, a fish pumping pipe 6 is connected to the cultivation cabin 1, the fish pumping pipe 6 has a fish pumping opening 7, and the fish pumping opening 7 is disposed on the bottom wall of the bottom of the cultivation cavity 2 or on the side wall of the bottom of the cultivation cabin 2 and is located between the second fish collecting net 4 and the third fish collecting net 5. When first collection fish net 3 moves down and the contained angle between second collection fish net 4 and the third collection fish net 5 reduces gradually, and the fish slowly concentrates on in a less region, and the fish of being concentrated is located out near fish mouth 7, opens the vacuum and takes out the fish device, takes out the fish from breeding the intracavity 2 through taking out fish pipe 6, and this structure can further improve the convenience of catching.
As shown in fig. 1, in this embodiment, the second fish collecting net 4 and the third fish collecting net 5 are arranged along the height direction of the culture chamber 1, the outer end portions of the second fish collecting net 4 and the third fish collecting net 5 abut against the inner wall of the culture chamber 2, and the bottoms of the second fish collecting net 4 and the third fish collecting net 5 abut against the bottom of the culture chamber 2, so that the fish concentrated between the second fish collecting net 4 and the third fish collecting net 5 can be prevented from migrating out from the bottom and the vicinity of the inner wall of the culture chamber 2, and the fish collecting efficiency is improved.
As shown in fig. 1, in the present embodiment, the tops of the second fish collecting net 4 and the third fish collecting net 5 are flush with each other, and the first fish collecting net 3 is disposed in the horizontal direction and can abut against the tops of the second fish collecting net 4 and the third fish collecting net 5. This structure can prevent that the fish in the fish gathering space from swimming out from the top of second fish gathering net 4 and third fish gathering net 5, further improves the fish gathering effect, improves the convenience of catching.
As shown in fig. 1 and 4, in this embodiment, an installation shaft 8 is fixed in the cultivation cabin 1, a first slide block 9 is fixed in the middle of the first fish collecting net 3, the first slide block 9 is slidably connected to the installation shaft 8, the inner end of the third fish collecting net 5 is fixed on the installation shaft 8, and the inner end of the second fish collecting net 4 is hinged to the installation shaft 8. The first slider 9 and the mounting shaft 8 form a first guiding structure for improving the stability of the first fish collecting net 3 when moving.
As shown in fig. 4, in this embodiment, a first outer frame 10 having a ring shape is disposed on the edge of the first fish collecting net 3, and a plurality of reinforcing rods 11 are connected to the first outer frame 10. The frame makes first collection fish net 3 non-deformable, and frame and stiffener 11 play the effect of gaining in strength, make first collection fish net 3 more firm. Meshes of the first fish collecting net 3 are arranged according to the size of the fish, so that the first fish collecting net 3 plays a role in screening small fishes and catching large fishes.
As shown in fig. 1, 4 and 6, in the present embodiment, the shape of the culture cavity 2 is adapted to the shape of the first outer frame 10, a plurality of support rods 12 are fixed in the culture cavity 2, a plurality of second sliding blocks 13 are fixed on the first outer frame 10, and the second sliding blocks 13 are slidably connected to one support rod 12. The second slider 13 and the support bar 12 form a second guide structure, which can further improve the stability of the first fishing net 3 when moving.
In the present embodiment, as shown in fig. 6, the cultivation cabin 1 is cylindrical, and the support rods 12 are distributed in the cultivation cavity 2 along the circumferential direction of the mounting shaft 8.
As shown in fig. 1 and 5, in this embodiment, a cylindrical or truncated cone-shaped cylinder 14 is disposed at the bottom of the culture cavity 2, a second outer frame 15 and a third outer frame are respectively disposed on the outer edges of the second fish collecting net 4 and the third fish collecting net 5, a shaft sleeve 16 is disposed on the second outer frame 15, the shaft sleeve 16 is hinged to the mounting shaft 8, the bottoms of the second outer frame 15 and the third outer frame are abutted against the bottom of the cylinder 14, and rollers are disposed at the outer ends of the second outer frame 15 and the third outer frame and abutted against the inner wall of the cylinder 14. The structure can well prevent the fish between the second fish collecting net 4 and the third fish collecting net 5 from swimming out from the bottom and the vicinity of the inner wall of the cylinder body 14, the cross section of the cylinder body 14 is circular, and in the rotating process of the second fish collecting net 4, the outer end part of the second outer frame 15 is always in contact with the inner wall of the cylinder body 14 without interference, so that the rotating smoothness is ensured.
As shown in fig. 7, the fish-gathering and catching method of the device comprises the following steps:
A. the first fish collecting net 3 slowly moves downwards through gravity, the space formed by the first fish collecting net 3 and the inner wall of the culture cavity 2 gradually becomes smaller, and the fish gradually gathers;
B. when the fish reaches the catching density, the vacuum fish pumping device is started, and the fish is pumped out of the culture cavity 2 through the fish pumping pipe 6;
C. after the first fish collecting net 3 moves to a proper position, the first fish collecting net 3 stops moving through a steel wire rope, so that a fish collecting space is formed at the bottom of the first fish collecting net 3, the second fish collecting net 4, the third fish collecting net 5 and the culture cavity 2;
D. the second fish collecting net 4 is driven to rotate around the end part of the third fish collecting net 5 by a driving mechanism, so that the fish are concentrated in a smaller area;
E. after the capture is finished, the first fish collecting net 3 and the second fish collecting net 4 are reset through the driving mechanism and the steel wire rope, and the first fish collecting net and the second fish collecting net are enabled to return to the initial positions.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a breed fish gathering of worker's ship and play catching device, includes and breeds cabin (1), breed cabin (1) has and breeds chamber (2), its characterized in that, be provided with first album of fish net (3), second collection fish net (4) and third collection fish net (5) in breeding chamber (2), third collection fish net (5) are fixed in the bottom of breeding chamber (2), the one end of second collection fish net (4) with the one end of third collection fish net (5) is articulated mutually, first collection fish net (3) are located the top of second collection fish net (4) and third collection fish net (5) can reciprocate for the two.
2. The fish gathering and catching device of the cultivation ship as claimed in claim 1, wherein a fish pumping pipe (6) is connected to the cultivation cabin (1), the fish pumping pipe (6) is provided with a fish outlet (7), and the fish outlet (7) is arranged on the bottom wall of the bottom of the cultivation cabin (2) or on the side wall of the bottom of the cultivation cabin (2) and is located between the second fish gathering net (4) and the third fish gathering net (5).
3. The fish-collecting catching device of the aquaculture ship as claimed in claim 1, wherein the second fish-collecting net (4) and the third fish-collecting net (5) are arranged along the height direction of the aquaculture cabin (1), the outer ends of the second fish-collecting net (4) and the third fish-collecting net (5) are abutted against the inner wall of the aquaculture cavity (2), and the bottoms of the second fish-collecting net (4) and the third fish-collecting net (5) are abutted against the bottom of the aquaculture cavity (2).
4. A fish gathering and catching device for an aquaculture ship as claimed in claim 1, characterized in that the second and third fish gathering nets (4, 5) are flush at their tops, and the first fish gathering net (3) is arranged horizontally and can be abutted against the tops of both the second and third fish gathering nets (4, 5).
5. The fish gathering and catching device of the aquaculture ship as claimed in claim 1, wherein an installation shaft (8) is fixed in the aquaculture cabin (1), a first sliding block (9) is fixed in the middle of the first fish gathering net (3), the first sliding block (9) is slidably connected to the installation shaft (8), the inner end of the third fish gathering net (5) is fixed on the installation shaft (8), and the inner end of the second fish gathering net (4) is hinged to the installation shaft (8).
6. A fish collecting and catching device for an aquaculture ship according to any of claims 1 to 5, characterized in that a first outer frame (10) in the shape of a ring is arranged on the edge of the first fish collecting net (3), and a plurality of reinforcing rods (11) are connected in the first outer frame (10).
7. A fish gathering and catching device for an aquaculture ship as claimed in claim 6, wherein the shape of said aquaculture cavity (2) is adapted to the shape of said first outer frame (10), a plurality of support rods (12) are fixed in said aquaculture cavity (2), a plurality of second sliding blocks (13) are fixed on said first outer frame (10), and said second sliding blocks (13) are slidably connected to one of said support rods (12).
8. A fish gathering and catching device for an aquaculture ship as claimed in claim 7, wherein said aquaculture cabin (1) is cylindrical and said support rods (12) are distributed in the aquaculture cavity (2) along the circumference of the aquaculture cabin (1).
9. The fish collecting and catching device of the aquaculture ship as claimed in claim 1, wherein a cylindrical or truncated cone-shaped cylinder (14) is arranged at the bottom of the aquaculture cavity (2), a second outer frame (15) and a third outer frame are respectively arranged on the outer edges of the second fish collecting net (4) and the third fish collecting net (5), a shaft sleeve (16) is arranged on the second outer frame (15), the shaft sleeve (16) is hinged to the installation shaft (8), the bottoms of the second outer frame (15) and the third outer frame are abutted against the bottom of the cylinder (14), and rollers are arranged at the outer ends of the second outer frame (15) and the third outer frame and abutted against the inner wall of the cylinder (14).
10. A method of fish collection using the fish collection device of claim 2, the method comprising the steps of:
A. the first fish collecting net (3) slowly moves downwards through gravity, the space formed by the first fish collecting net and the inner wall of the culture cavity is gradually reduced, and the fish are gradually gathered;
B. when the fish reaches the catching density, the vacuum fish pumping device is started, and the fish is pumped out of the culture cabin (1) through the fish pumping pipe (6);
C. after the first fish collecting net (3) is moved to a proper position, the first fish collecting net (3) is stopped moving through a steel wire rope, and a fish collecting space is formed at the bottom of the first fish collecting net (3), the second fish collecting net (4), the third fish collecting net (5) and the culture cavity (2);
D. the second fish collecting net (4) is driven to rotate around the end part of the third fish collecting net (5) through a driving mechanism, so that the fishes are concentrated in a smaller area;
E. and after the capture is finished, the first fish collecting net (3) and the second fish collecting net (4) are reset through the driving mechanism and the steel wire rope, and the first fish collecting net and the second fish collecting net are returned to the initial positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010530696.4A CN111528189A (en) | 2020-06-11 | 2020-06-11 | Fish collecting and catching device and method for cultivation ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010530696.4A CN111528189A (en) | 2020-06-11 | 2020-06-11 | Fish collecting and catching device and method for cultivation ship |
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| CN111528189A true CN111528189A (en) | 2020-08-14 |
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| CN202010530696.4A Pending CN111528189A (en) | 2020-06-11 | 2020-06-11 | Fish collecting and catching device and method for cultivation ship |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040087A (en) * | 2021-04-29 | 2021-06-29 | 中国水产科学研究院渔业机械仪器研究所 | System and method for catching culture cabin of culture ship |
| CN113728986A (en) * | 2021-09-10 | 2021-12-03 | 中国海洋大学 | Layered fishing device for giant deepwater net cage and use method thereof |
| CN114304024A (en) * | 2021-12-29 | 2022-04-12 | 高雅轩 | Aquaculture net cage |
| CN114532305A (en) * | 2022-02-25 | 2022-05-27 | 湖南福天生态农业科技发展有限公司 | Automatic collection system for fish, shrimp and residual bait and excrement |
| CN115362967A (en) * | 2022-09-22 | 2022-11-22 | 曹翠磊 | Aquaculture rack capable of avoiding catching stress response and operation method |
| NL2034631A (en) * | 2022-04-28 | 2023-11-10 | Fishery Machinery & Instrument Res Inst Cafs | Fish moving and catching device suitable for migratory fish and in aquaculture working vessel as well as working method thereof |
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| NL2034631A (en) * | 2022-04-28 | 2023-11-10 | Fishery Machinery & Instrument Res Inst Cafs | Fish moving and catching device suitable for migratory fish and in aquaculture working vessel as well as working method thereof |
| CN115362967A (en) * | 2022-09-22 | 2022-11-22 | 曹翠磊 | Aquaculture rack capable of avoiding catching stress response and operation method |
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