CN113875666B - A catch device fast for aquaculture box with a net - Google Patents

A catch device fast for aquaculture box with a net Download PDF

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Publication number
CN113875666B
CN113875666B CN202111319726.8A CN202111319726A CN113875666B CN 113875666 B CN113875666 B CN 113875666B CN 202111319726 A CN202111319726 A CN 202111319726A CN 113875666 B CN113875666 B CN 113875666B
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CN
China
Prior art keywords
fixedly connected
net cage
fishing
plate
aquaculture
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CN202111319726.8A
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Chinese (zh)
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CN113875666A (en
Inventor
吴超伟
马家志
宋伟华
石桂华
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Priority to CN202111319726.8A priority Critical patent/CN113875666B/en
Publication of CN113875666A publication Critical patent/CN113875666A/en
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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
    • 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
    • A01K61/90—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
    • 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
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
    • 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
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/045—Filters for aquaria
    • 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
    • A01K69/00—Stationary catching devices
    • 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 quick fishing device for an aquaculture net cage, and relates to the technical field of aquaculture net cages. The invention comprises a breeding net cage; the C-shaped clamping plate is clamped and matched with the transmission frame; the transmission frame is in sliding fit with an oxygenation plugging component; the transmission frame is in threaded rotation fit with a catching assembly; the circumferential side surface of the gas transmission branch pipe is provided with a cross-shaped spray head; a first fishing net is fixedly connected between the two filter plates; the thread of the threaded pipe is in running fit with a tapered pipeline. According to the invention, the transmission frame and the catching assembly are placed in the culture net cage, the connecting plate is clamped in the C-shaped clamping plate, the driving motor is started to drive the catching assembly to be unfolded, so that one end of each group of conical pipelines is abutted to the inner side surface of the culture net cage, and seedlings are placed in the catching assembly for culture; during salvaging, the driving motor is reversely started, so that the conical pipeline is separated from the inner wall of the aquaculture net cage, oxygen is introduced into water, fishes are frightened, and small-size fishes enter the aquaculture net cage through the conical pipeline, and the problem of body type screening is solved.

Description

A catch device fast for aquaculture box with a net
Technical Field
The invention belongs to the technical field of aquaculture net cages, and particularly relates to a quick fishing device for an aquaculture net cage.
Background
The net cage culture originated in southeast Asia countries such as Cambodia at the end of 19 th century and then was transmitted to all over the world. In the last 70 th century, cage culture begins in China, and as the cage culture has the characteristics of low investment, high yield, mobility, quick response and the like, the cage culture is vigorously developed in lakes and reservoirs all over the country in short decades, so that the land and labor required for excavating fish ponds can be saved, and the effect is quickly obtained after investment. Generally, all the cost can be recovered by fish culture in the same year, and the net cage can be continuously used for 2-3 years under the normal condition; the net cage fish culture can fully utilize water and bait organisms, realize mixed culture, dense culture and high survival rate, and can achieve the aims of creating and producing high yield; the breeding period is short, the management is convenient, and the method has the advantages of flexibility and simple operation. The net cage can be moved at any time according to the change of the environmental conditions of the water area, and is not influenced by waterlogging and water-rise and net height, is not influenced by drought, moves down a net position and is not lost, so that the drought and waterlogging protection and harvest can be realized, and the purposes of high yield and stable yield can be achieved; the fishing is easy. The method does not need special fishing tools during harvesting, can be put on the market at one time, and can also be used for fishing in batches according to market needs, so that the method is convenient for transporting and storing live fish, is favorable for market adjustment, and is called as a live fish body on water by the masses; high adaptability and easy popularization. The net cage fish culture occupies small water area, and rural areas and factories and mines can be cultured only by having certain water level and flow
However, when fishing in the aquaculture net cage, people usually use a hand-held net basket tool to fish, which undoubtedly increases the workload of workers and reduces the fishing efficiency; the existing aquaculture net cage fishing method also comprises the steps of placing a fishing net on the inner bottom surface of the aquaculture net cage, and hoisting the fishing net through an external lifting device to achieve the purpose of quick fishing, however, all fishes in the aquaculture net cage are fished out by the fishing mode, workers need to further perform screening, and the fishes with small size are placed into the aquaculture net cage again for culture, so that the workload of the workers is increased, and meanwhile, the fishing cost is increased.
Disclosure of Invention
The invention aims to provide a quick fishing device for an aquaculture net cage, which is characterized in that a transmission frame and a fishing component are placed inside the aquaculture net cage, a connecting plate is clamped into a C-shaped clamping plate, a driving motor is started to drive the fishing component to be unfolded, one end of each group of conical pipelines is abutted to the inner side surface of the aquaculture net cage, and seedlings are placed into the fishing component for aquaculture; during salvaging, the driving motor is reversely started, so that the conical pipeline is separated from the inner wall of the aquaculture net cage, oxygen is introduced into water, fishes are frightened, and small-size fishes enter the aquaculture net cage through the conical pipeline, and the problem of body type screening is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a quick fishing device for an aquaculture net cage, which comprises the aquaculture net cage; the open end of the culture net cage is fixedly connected with a mounting plate; the surfaces of the mounting plates are distributed in a circumferential array and fixedly connected with C-shaped clamping plates; the C-shaped clamping plate is clamped and matched with the transmission frame;
the transmission frame is in sliding fit with an oxygenation plugging component; the transmission frame is in threaded rotation fit with a catching assembly;
the oxygenation plugging component comprises an air supply pipeline; the circumferential side surface of the gas supply pipeline is provided with gas supply branch pipes in a linear array distribution manner; floating balls are distributed on the circumferential side surface of the gas transmission branch pipe in a linear array manner; a cross-shaped spray head is arranged on the circumferential side surface of the gas transmission branch pipe between the adjacent floating balls;
the fishing assembly comprises a filter plate; a first fishing net is fixedly connected between the two filter plates; threaded pipes are distributed and penetrated on the side surface of the filter plate in a linear array manner; the thread of the threaded pipe is matched with a conical pipeline in a rotating mode.
Furthermore, a floating plate is fixedly arranged between the adjacent C-shaped clamping plates on the surface of the mounting plate.
Furthermore, the circumferential side surface of the mounting plate is circumferentially distributed and fixedly connected with first hanging lugs in an array manner; the circumferential side surface of the aquaculture net cage close to the bottom is distributed and fixedly connected with second hangers in a circumferential array; a fixed rope is hung on the first hanging lug; and the second hanging lug is hung with a balancing weight.
Furthermore, one end of the aquaculture net cage is provided with an opening; the two ends of the fishing component are provided with openings; one end of each filter plate and one end of the first fishing net are fixedly connected with a second fishing net; and sealing ropes are inserted into the peripheral side surface of the second fishing net.
Further, the transmission frame comprises a connecting plate; the connecting plate is clamped and matched with the C-shaped clamping plate; one side surface of the connecting plate is fixedly connected with a driving motor; the output end of the driving motor is fixedly connected with a bidirectional threaded rod; the other end of the bidirectional threaded rod is in running fit with the side face of the other connecting plate; two slide bars are symmetrically and fixedly connected between the two connecting plates at two sides of the bidirectional threaded rod.
Furthermore, the surface of the filter plate is fixedly connected with a threaded sleeve; sliding sleeves are symmetrically and fixedly connected to the surfaces of the filter plates, which are positioned on two sides of the threaded sleeve; the bidirectional threaded rod is in threaded rotation fit with the threaded sleeve; the sliding rod is in sliding fit with the sliding sleeve.
Furthermore, a C-shaped bearing plate is fixedly connected between the two sliding sleeves on the same filter plate; the surface of the C-shaped bearing plate is fixedly connected with a lifting lug.
Furthermore, the air supply pipeline and the peripheral side surface of one air supply branch pipe are fixedly connected with connecting pipelines; limiting plates are symmetrically and fixedly connected to the peripheral side surfaces of the sliding rods at the central positions; and the slide bar between the two limiting plates is in running fit with the connecting pipeline.
The invention has the following beneficial effects:
1. according to the invention, the transmission frame and the catching assembly are placed in the aquaculture net cage, the connecting plate is clamped in the C-shaped clamping plate, the driving motor is started to drive the catching assembly to be unfolded, so that one end of each group of conical pipelines is abutted to the inner side surface of the aquaculture net cage, the seedlings are placed in the catching assembly for aquaculture, and the seedlings are prevented from entering the aquaculture net cage through the conical pipelines.
2. When the fishing device is used for fishing, the driving motor is reversely started, so that the conical pipeline is separated from the inner wall of the aquaculture net cage, oxygen is introduced into water to form bubbles, water flow is driven to change, fishes are frightened, and most of small-volume fishes enter the aquaculture net cage through the conical pipeline, so that the purpose of screening body types in the fishing process is realized, the workload of later-stage screening is reduced, and the fishing cost is saved.
3. After the filter plates are screened for a period of time, the driving motor is continuously and reversely started, so that the two filter plates continuously and synchronously move reversely along the sliding rod, the floating balls block the threaded pipes on the two sealing plates, the phenomenon that fishes stay in the threaded pipes in the lifting process to influence the fishing effect is avoided, the transmission frame and the fishing component are pulled out of the culture net cage together through external hoisting equipment, the sealing rope is untied, and the fishes fall into the collecting box, so that the quick fishing is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a quick fishing device for an aquaculture net cage.
FIG. 2 is a schematic view of the structure of the fishing assembly and drive frame assembly of the present invention.
Fig. 3 is a schematic structural view of a aquaculture net cage and counterweight assembly body of the invention.
Fig. 4 is a schematic structural diagram of the aquaculture net cage.
Fig. 5 is a schematic structural view of the transmission frame of the present invention.
Fig. 6 is a schematic structural view of the fishing assembly of the present invention.
FIG. 7 is a schematic structural view of the oxygen increasing sealing assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a culture net cage, 2-a mounting plate, 3-a C-shaped clamping plate, 4-a transmission frame, 5-an oxygen-increasing plugging component, 6-an air-supply pipeline, 7-an air-supply branch pipe, 8-a floating ball, 9-a filter plate, 10-a first fishing net, 11-a threaded pipe, 12-a conical pipeline, 13-a floating plate, 14-a first hanging lug, 15-a second hanging lug, 16-a fixed rope, 17-a balancing weight, 18-a second fishing net, 19-a sealing rope, 20-a connecting plate, 21-a driving motor, 22-a bidirectional threaded rod, 23-a sliding rod, 24-a threaded sleeve, 25-a sliding sleeve, 26-a C-shaped bearing plate, 27-a 28-a connecting pipeline, 29-a limiting plate, 30-a fishing component and 31-a cross-shaped spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention relates to a quick fishing device for aquaculture net cage, comprising a aquaculture net cage 1; the open end of the culture net cage 1 is fixedly connected with a mounting plate 2; c-shaped clamping plates 3 are fixedly connected to the surface of the mounting plate 2 in a circumferential array; the C-shaped clamping plate 3 is clamped and matched with a transmission frame 4; the transmission frame 4 is in sliding fit with an oxygenation plugging component 5; the transmission frame 4 is in threaded rotation fit with the catching assembly 30; the oxygenation plugging component 5 comprises an air supply pipeline 6; the circumferential side surface of the air supply pipeline 6 is provided with air supply branch pipes 7 in a linear array distribution; floating balls 8 are distributed on the circumferential side surface of the gas transmission branch pipe 7 in a linear array manner; a cross-shaped spray head 31 is arranged on the circumferential side surface of the gas transmission branch pipe 7 between the adjacent floating balls 8; the air supply pipeline 6 is connected with external oxygen therapy equipment, the external oxygen therapy equipment is started, oxygen is blown into water through the cross-shaped spray head 31, oxygen increasing is achieved, meanwhile, fishes are frightened and bore out of each group of conical pipelines 12, small-sized fishes enter the culture net cage 1, and larger-sized fishes are left in the fishing group price 30;
the fishing assembly 30 includes a filter plate 9; a first fishing net 10 is fixedly connected between the two filter plates 9; the side surface of the filter plate 9 is provided with threaded pipes 11 in a linear array distribution and penetration manner; the threaded pipe 11 is in threaded rotation fit with a conical pipeline 12; by changing the size of the tapered pipe 12, fish of different sizes are screened.
Wherein, the surface of the mounting plate 2 is fixedly provided with a floating plate 13 between the adjacent C-shaped clamping plates 3.
Wherein, the circumferential side surface of the mounting plate 2 is distributed and fixedly connected with first hangers 14 in a circumferential array; the circumferential side surface of the aquaculture net cage 1, which is close to the bottom, is circumferentially distributed and fixedly connected with second hangers 15 in an array manner; a fixed rope 16 is hung on the first hanging lug 14; a counterweight block 17 is hung on the second hanging lug 15; the breeding net cage 1 is regulated by the groups of fixing ropes 16 and the balancing weight 17, and the breeding net cage 1 is prevented from random movement.
Wherein, the aquaculture net cage 1 is arranged with an opening at one end; the catching component 30 is arranged with openings at two ends; one end of each filter plate 9 and one end of the first fishing net 10 are fixedly connected with a second fishing net 18; sealing ropes 19 are inserted into the peripheral side of the second fishing net 18; after the fishing assembly 30 is lifted off the water surface by an external hoisting machine, the sealing rope is untied, and the fishes fall into the collection box from the bottom of the fishing assembly 30 to be collected.
Wherein, the transmission frame 4 comprises a connecting plate 20; the connecting plate 20 is clamped and matched with the C-shaped clamping plate 3; a driving motor 21 is fixedly connected to the side surface of a connecting plate 20; the output end of the driving motor 21 is fixedly connected with a bidirectional threaded rod 22; the other end of the bidirectional threaded rod 22 is in running fit with the side surface of the other connecting plate 20; slide bars 23 are symmetrically and fixedly connected between the two connecting plates 20 at two sides of the bidirectional threaded rod 22; the surface of the filter plate 9 is fixedly connected with a threaded sleeve 24; the surface of the filter plate 9 is symmetrically and fixedly connected with sliding sleeves 25 at two sides of the threaded sleeve 24; the bidirectional threaded rod 22 is in threaded rotation fit with the threaded sleeve 24; the sliding rod 23 is in sliding fit with the sliding sleeve 25; the connecting plate 20 is in clamping fit with the C-shaped clamping plate 3, so that the fishing component 30 is fixedly arranged on the culture net cage 1, the driving motor 21 is started to drive the bidirectional threaded rod 22 to rotate, the two filter plates 9 are driven to synchronously and reversely move along the sliding rod 23, and the fishing component 30 is unfolded; in the initial state, each group of conical pipelines 12 is supported on the culture net cage 1 to prevent fishes from entering the culture net cage 1, and when fishing or oxygen increasing is needed, the driving motor 21 is reversely started to drive the reverse rotation of the bidirectional threaded rod 22, so that the two filter plates 9 are driven to synchronously and reversely move along the sliding rod 23, and the closing of the fishing group price 30 is realized.
Wherein, a C-shaped bearing plate 26 is fixedly connected between the two sliding sleeves 25 on the same filter plate 9; the surface of the C-shaped bearing plate 26 is fixedly connected with a lifting lug 27; the lifting lugs 27 are hung on an external hoisting machine, the fishing group price 30 is integrally pulled out of the aquaculture net cage 1 through the external hoisting machine and is separated from the water surface, water in the fishing group price 30 flows away through the filter plate 9, the first fishing net 10 and the second fishing net 18, fish meeting the fishing requirement in volume are left in the fishing group price 30, and the fishing efficiency is improved.
Wherein the circumferential side surfaces of the air supply pipeline 6 and one air supply branch pipe 7 are fixedly connected with connecting pipelines 28; limiting plates 29 are symmetrically and fixedly connected to the peripheral side surfaces of the sliding rods 23 at the central positions; the slide rod 23 between the two limit plates 29 is in running fit with the connecting pipeline 28; by arranging the oxygenation blocking component 5 at the center of the sliding rod 23, the fishing component 30 can synchronously and reversely move on the bidirectional threaded rod 22 conveniently, so that the floating ball 8 blocks the corresponding threaded pipe 11.
The specific working principle of the invention is as follows:
in an initial state, the connecting plate 20 is in clamping fit with the C-shaped clamping plate 3, so that the catching component 30 is fixedly arranged on the culture net cage 1, the driving motor 21 is started to drive the bidirectional threaded rod 22 to rotate, the two filter plates 9 are driven to synchronously move in the reverse direction along the sliding rod 23, the catching component 30 is unfolded, each group of conical pipelines 12 is abutted against the culture net cage 1, and fish is prevented from entering the culture net cage 1; when fishing or oxygenation is needed, the driving motor 21 is started reversely to drive the bidirectional threaded rod 22 to rotate reversely, so that the two filter plates 9 are driven to synchronously move reversely along the sliding rod 23, and the fishing group price 30 is closed; the air supply pipeline 6 is connected with external oxygen therapy equipment, the external oxygen therapy equipment is started, oxygen is blown into water through the cross-shaped spray head 31, oxygen increasing is achieved, meanwhile, fishes are frightened and bore to each group of conical pipelines 12, small fishes enter the aquaculture net cage 1, larger fishes are left in the fishing group price 30, the oxygen increasing plugging component 5 is arranged at the center of the sliding rod 23, the fishing component 30 can synchronously and reversely move on the bidirectional threaded rod 22 conveniently, and the floating ball 8 is enabled to plug the corresponding threaded pipe 11; by changing the size of the conical pipeline 12, fish of different sizes are screened; after the fishing assembly 30 is lifted off the water surface by an external hoisting machine, the sealing rope is untied, and the fishes fall into the collection box from the bottom of the fishing assembly 30 to be collected.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A rapid catching device for an aquaculture net cage comprises the aquaculture net cage (1);
the method is characterized in that:
the open end of the culture net cage (1) is fixedly connected with a mounting plate (2); c-shaped clamping plates (3) are fixedly connected to the surface of the mounting plate (2) in a circumferential array distribution; the C-shaped clamping plate (3) is clamped and matched with a transmission frame (4);
the transmission frame (4) is in sliding fit with an oxygenation plugging component (5); the transmission frame (4) is in threaded rotation fit with a catching assembly (30);
the oxygenation plugging component (5) comprises an air supply pipeline (6); the circumferential side surface of the air supply pipeline (6) is provided with air supply branch pipes (7) in a linear array distribution; floating balls (8) are distributed on the circumferential side surface of the gas transmission branch pipe (7) in a linear array manner; a cross-shaped spray head (31) is arranged between the adjacent floating balls (8) on the peripheral side surface of the gas transmission branch pipe (7);
the catching assembly (30) comprises a filter plate (9); a first fishing net (10) is fixedly connected between the two filter plates (9); the side surface of the filter plate (9) is distributed in a linear array and is penetrated with a threaded pipe (11); the thread of the threaded pipe (11) is rotationally matched with a conical pipeline (12);
the aquaculture net cage (1) is arranged with an opening at one end; the catching assembly (30) is provided with openings at two ends; one end of each filter plate (9) and one end of the first fishing net (10) are fixedly connected with a second fishing net (18); sealing ropes (19) are inserted into the peripheral side surface of the second fishing net (18);
the transmission frame (4) comprises a connecting plate (20); the connecting plate (20) is clamped and matched with the C-shaped clamping plate (3); a driving motor (21) is fixedly connected to the side surface of the connecting plate (20); the output end of the driving motor (21) is fixedly connected with a bidirectional threaded rod (22); the other end of the bidirectional threaded rod (22) is in running fit with the side surface of the other connecting plate (20); two sliding rods (23) are symmetrically and fixedly connected between the two connecting plates (20) and positioned on two sides of the bidirectional threaded rod (22).
2. The quick fishing device for aquaculture net cages according to claim 1, wherein floating plates (13) are fixedly arranged on the surface of the mounting plate (2) between the adjacent C-shaped clamping plates (3).
3. The quick fishing device for the aquaculture net cage according to claim 1, characterized in that the circumferential side surface of the mounting plate (2) is fixedly connected with first hanging lugs (14) in a circumferential array distribution; the circumferential side surface of the aquaculture net cage (1) close to the bottom is distributed and fixedly connected with second hangers (15) in a circumferential array manner; a fixed rope (16) is hung on the first hanging lug (14); and a balancing weight (17) is hung on the second hanging lug (15).
4. A rapid fishing device for aquaculture cages according to claim 1, characterised in that said filter plates (9) have a threaded sleeve (24) fixed to their surface; the surface of the filter plate (9) is positioned at two sides of the threaded sleeve (24) and is symmetrically and fixedly connected with sliding sleeves (25); the bidirectional threaded rod (22) is in threaded rotation fit with the threaded sleeve (24); the sliding rod (23) is in sliding fit with the sliding sleeve (25).
5. A rapid fishing device for aquaculture cages, according to claim 4, characterized in that between the two sliding sleeves (25) of the same filtering plate (9) there is fixedly connected a C-shaped bearing plate (26); the surface of the C-shaped bearing plate (26) is fixedly connected with a lifting lug (27).
6. The quick fishing device for aquaculture net cages according to claim 1, wherein the circumferential sides of the air supply pipeline (6) and a gas branch pipeline (7) are fixedly connected with connecting pipelines (28); limiting plates (29) are symmetrically and fixedly connected to the peripheral side surfaces of the sliding rods (23) at the center positions; the sliding rod (23) between the two limit plates (29) is in running fit with the connecting pipeline (28).
CN202111319726.8A 2021-11-09 2021-11-09 A catch device fast for aquaculture box with a net Active CN113875666B (en)

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CN114808982A (en) * 2022-05-31 2022-07-29 保利长大工程有限公司 Slag fishing device for pile head

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CN207383275U (en) * 2017-10-16 2018-05-22 天津市益多利来水产养殖有限公司 It is a kind of can automatic feeding aquiculture net cage
CN210641994U (en) * 2019-09-25 2020-06-02 绩溪县中巧食用菌种植专业合作社 Fish culture net cage
CN110758655B (en) * 2019-12-06 2021-06-25 浙江海洋大学 Trawler with fishing and conveying device and fishing method
CN211793763U (en) * 2019-12-20 2020-10-30 任凤花 Aquaculture net cage convenient to catch
CN214155883U (en) * 2020-12-09 2021-09-10 韶关尚智科技服务有限公司 Freshwater aquaculture hierarchical type automatic fishing fish culture pond
CN112715495A (en) * 2020-12-25 2021-04-30 杭州易薪科技创新有限公司 Aquaculture intelligence fishing device

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