CN211793859U

CN211793859U - Device for catching grouper pond seedling culture seedlings

Info

Publication number: CN211793859U
Application number: CN201922401206.6U
Authority: CN
Inventors: 黄小林; 舒琥; 黄忠; 张海发; 林黑着; 杨育凯; 李涛
Original assignee: Guangdong Marine Fishery Experiment Center; Shenzhen Test Base South China Sea Fisheries Research Institute Chinese Academy Of Fishery Sciences; Guangzhou University; South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Current assignee: Guangdong Marine Fishery Experiment Center; Shenzhen Test Base South China Sea Fisheries Research Institute Chinese Academy Of Fishery Sciences; Guangzhou University; South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-30
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a grouper pond seedling raising and catching device, which comprises a net cage, wherein the net cage is of a semi-closed structure, an opening is arranged at the top of the net cage, a floater is arranged at the edge of the opening, so that the net cage can float on the water surface, at least one fish passing pipeline is connected to the side surface of the net cage, and a non-return tooth sheet inclined towards the side of the net cage is arranged on the inner wall of the fish passing pipeline; the utility model discloses make full use of grouper fry likes to hide the life habit in bottom of the pool tubular structure, traps the fry through crossing the fish pipeline, and the non return fillet makes the one-way trip of fry to the box with a net, the utility model discloses for traditional artifical netting collection, need not the manual work, only need regularly collect the box with a net fry can, possess easy operation, with low costs, the collection rate is high, and is amazing little to the fry, advantage such as fry survival rate is high.

Description

Device for catching grouper pond seedling culture seedlings

Technical Field

The utility model relates to a fry breeding technical field especially relates to a grouper pond seedling raising seed plays to catch device.

Background

In recent years, the grouper breeding industry in China is rapidly developed, each party's breeding and research strength focuses on groupers, grouper breeding mainly comprises cage culture of parent fish and pond ecological breeding, the overall survival rate of the existing pond ecological breeding is 5% -10%, and key stages of the breeding process are many, such as a membrane breaking stage, an opening stage, a wing collecting stage, a scale stage and the like, which are key points for survival of grouper seedlings and need extra attention; after each period, the survival fry reaches the fry collecting specification, the traditional fry collecting mode is to arrange low water level and then pull a net to collect the fry, the fry collecting mode mainly comprises the steps of driving the fry in the pond to a net bag of the net and fishing the fry from the net, the fry of the grouper mainly moves in the water body at the lower layer, after the fry is transformed into young fishes, the whole body is scaled, the life habit is close to adult fishes, the fry is gathered and snatched, the fry is favored to inhabit at the bottom of the pond and has small gall bladder, when the environment changes, the fry is hidden in nearby shields rapidly as people approach, the fry is not easy to collect by using the traditional net pulling mode, the forced net pulling easily causes the injury of the fry, even the death of the fry, the survival rate of the fry is reduced again, the single collection rate of the traditional net pulling is not high, the manual net pulling operation is needed for a plurality of times, the operation is complex and labor is wasted, and the fry raising cost of the grouper se is increased invisibly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned traditional net pulling and receive the fry damage that the seedling caused dead even, collect the loaded down with trivial details, the not high scheduling problem of collection rate of process, provided a grouper pond seedling raising seedling kind and caught device.

The utility model provides a grouper pond seedling raising seed plays to catch device, including the box with a net, the box with a net is semi-enclosed construction, is provided with uncovered at its top, open border is provided with the float, and the box with a net floats on the surface of water through the buoyancy of float, the box with a net side still is connected with at least one and crosses the fish pipeline, it still is provided with the non return dentate piece to the box with a net side slope to cross fish pipeline inner wall for the unidirectional trip of grouper fry is to the box with a net to realize trapping of fry and collect, make full use of grouper fry's life habit, whole play catch process not from the water, do not hinder fish and easy and simple to handle.

Further, the side surface and the bottom surface of the net cage are both net surface structures, the net cage is also provided with a net cage upper rod for supporting an opening, and the floater is fixed on the net cage upper rod.

Furthermore, cross the fish pipeline including one-way fish hose and attracting pipe, the non return tooth piece set up in one-way on the inner wall of crossing the fish hose.

Furthermore, the soft tooth piece that non return tooth piece was, can be along with one-way fish hose bending flexible production corresponding deformation of crossing, prevent the fry scratch simultaneously, the setting of non return tooth piece front and back alternately, the fry of being convenient for passes through.

Furthermore, one end of the one-way fish passing hose is connected with the side face of the net cage, and an inner tooth interface matched with the one-way fish passing hose is arranged at the position, close to the bottom, of the side face of the net cage.

Furthermore, the net cage and the one-way fish passing hose are of detachable structures, and the one-way fish passing hose is connected with the net cage or detached through the inner tooth interface.

Further, the one-way other end of crossing the fish hose is through setting up the connecting pipe and attracting the fish union coupling to make things convenient for the one-way dismantlement installation of crossing fish hose and attracting the fish pipe, the connecting pipe is flexible pipe, and the bending that can stretch out and draw back is convenient for attracting the fish pipe and is placed in pond bottom different positions.

Furthermore, the fish luring tube is made of rigid materials, the cross section of the fish luring tube is semicircular, the bottom of the fish luring tube is flat, and the fish luring tube can be placed at the bottom of a pond conveniently to induce fish fries to enter.

Furthermore, the diameter of the pipe body of the one-way fish passing hose is 20-30cm, and the diameter of the pipe body of the fish luring pipe is 20-50 cm.

Advantageous effects

The utility model discloses a grouper pond seedling raising and catching device, when using, only need to lower the pond water to 0.5-1 meter in advance, then place the bottom surface (flat side) of the fish luring tube against the bottom of the pond, preferably place in the corner of the pond, the device makes full use of the life habit that the nature of grouper seedling likes to hide in the bottom of the pond tubular structure, traps and receives the seedling through the semicircular fish luring tube placed at the bottom of the pond, one end of the fish luring tube is open, the other end is connected with the one-way fish passing hose, the inner wall of the one-way fish passing hose is provided with the non-return tooth piece, so that the fish seedling is independently one-way to the net cage, thereby a large amount of collection in the net cage, the utility model discloses when collecting grouper seedling, the whole journey does not leave water, the design of a plurality of fish passing pipelines greatly increases the fish seedling collecting speed, the net cage upper pole is provided with the floater to float on the water surface, the net does not need to be pulled manually, and the grouper fries collected in the net cage only need to be transported away regularly, so that the stress on the grouper fries is small, the fishes are not damaged, the labor is saved, the survival rate of the fries is effectively guaranteed, and the fry breeding cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:

FIG. 1 is a schematic view of the overall structure of the preferred embodiment of the present invention, type A;

FIG. 2 is a schematic view of the B-type overall structure of the preferred embodiment of the present invention;

FIG. 3 is a schematic view of an A-type configuration with four fish passing pipelines;

FIG. 4 is a schematic view of the overall structure of the fish passing pipeline;

wherein: a net cage-10; open-11; a float-20; fish passing pipeline-30; check tooth sheet-31; one-way fish-passing hose-32; a fish luring tube-33; mesh-12; a net cage upper rod-13; an internal dental interface-14; connecting pipe-34.

Detailed Description

The following description of the preferred embodiments of the present invention will enable one skilled in the art to make and use the present invention as described below, and will more fully understand the innovative features and attendant advantages of the present invention.

As shown in fig. 1 and 2, a device for catching grouper pond fry seedlings comprises a net cage 10, wherein the net cage 10 is cylindrical or rectangular, but not limited to, the net cage 10 is a semi-closed structure, an opening 11 is formed in the top of the net cage 10, a floater 20 is arranged on the edge of the opening 11, the net cage 10 floats on the water surface through the buoyancy of the floater 20, a fish passing pipeline 30 is further connected to the side surface of the net cage 10, but not limited to, a plurality of fish passing pipelines 30 can be arranged on the side surface of the net cage 10 as shown in fig. 3, so that the collecting rate of the fries is increased; the inner wall of the fish passing pipeline 30 is also provided with a non-return tooth piece 31 inclining towards the side of the net cage 10, the non-return tooth piece 31 can enable grouper fries to swim to the net cage 10 in a one-way mode to trap and collect the fries, the device makes full use of life habits of the grouper fries, the whole fishing process is free of water, the fishes are not damaged, and the operation is simple and convenient.

Further, the side surface and the bottom surface of the net cage 10 are both net surfaces 12, the net surfaces are made of plastic nets, but not limited to the net surfaces, the net cage 10 is further provided with a net cage upper rod 13 supporting the opening 11, and the float 20 is fixed on the net cage upper rod 13.

Further, as shown in fig. 4, the fish passing pipeline 30 includes a unidirectional fish passing hose 32 and a fish luring pipe 33, the non-return tooth pieces 31 are arranged on the inner wall of the unidirectional fish passing hose 32, and the non-return tooth pieces are arranged in a front-back cross manner and are arranged in three groups, but not limited to the three groups, so that the passage of the fry is facilitated.

Furthermore, the soft tooth piece of the non-return tooth piece 31 can deform correspondingly along with the bending and stretching of the unidirectional fish passing hose 32, so that the fry is prevented from being scratched.

Furthermore, one end of the one-way fish passing hose 32 is connected with the side surface of the net cage 10, and an inner tooth interface 14 matched with the one-way fish passing hose 32 is arranged at the position, close to the bottom, of the side surface of the net cage 10.

Further, the net cage 10 and the one-way fish passing hose 32 are detachable structures, and the one-way fish passing hose 32 is connected with or detached from the net cage 10 through the internal tooth interface 14.

Further, the other end of the one-way fish hose 32 of crossing is connected with the fish luring pipe 33 through setting up the connecting pipe 34 to the one-way dismantlement installation of crossing fish hose 32 and fish luring pipe 34 of convenience, the connecting pipe 34 is flexible pipe, can carry out the bending and stretch out and draw back, and the complicated environment in pond bottom of the fish luring pipe 34 of being convenient for is placed.

Further, the fish luring pipe 34 is made of a rigid PVC material, but is not limited thereto, and the bottom of the fish luring pipe is of a flat structure, so that the fish luring pipe can be conveniently placed at the bottom of the pond to induce the fish fries to enter.

Further, the diameter of the pipe body of the one-way fish passing hose 32 is 20-30cm, and the diameter of the pipe body of the fish luring pipe 33 is 20-50cm, but the invention is not limited to this.

When the device is used, only the pond water is required to be drained to the water level of 0.5-1 m in advance, then the bottom surface (flat surface) of the fish luring pipe is placed to be attached to the bottom of the pond, preferably the bottom surface is placed at a corner of the pond, and only the grouper fries collected in the net cage need to be transported away manually and periodically.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a garrupa pond seedling seed plays to catch device, includes the box with a net, its characterized in that:

the net cage is of a semi-closed structure, an opening is formed in the top of the net cage, and a floater is arranged on the edge of the opening; the side surface of the net cage is also connected with at least one fish passing pipeline; the inner wall of the fish passing pipeline is also provided with a non-return tooth sheet inclining towards the net cage side.

2. The device for catching grouper pond fry seeds as claimed in claim 1, wherein the device comprises: the side surface and the bottom surface of the net cage are both net surface structures, the net cage is also provided with a net cage upper rod for supporting an opening, and the floater is fixed on the net cage upper rod.

3. The device for catching grouper pond fry seeds as claimed in claim 1, wherein the device comprises: the fish passing pipeline comprises a unidirectional fish passing hose and a fish luring pipe, and the non-return tooth piece is arranged on the inner wall of the unidirectional fish passing hose.

4. The device for catching grouper pond fry seeds as claimed in claim 3, wherein the device comprises: the non-return tooth piece is a soft tooth piece, and the non-return tooth piece is arranged in a front-back crossing mode.

5. The device for catching grouper pond fry seeds as claimed in claim 3, wherein the device comprises: one end of the one-way fish passing hose is connected with the side face of the net cage, and an inner tooth interface matched with the one-way fish passing hose is arranged on the side face of the net cage.

6. The device for catching grouper pond fry seeds as claimed in claim 5, wherein the device comprises: the net cage and the one-way fish passing hose are of detachable structures, and the one-way fish passing hose is connected with the net cage or detached through the inner tooth interface.

7. The device for catching grouper pond fry seeds as claimed in claim 3, wherein the device comprises: the other end of the one-way fish passing hose is connected with the fish luring pipe through a connecting pipe, and the connecting pipe is a telescopic pipe.

8. The device for catching grouper pond fry seeds as claimed in claim 7, wherein the device comprises: the fish luring tube is made of rigid materials, the cross section of the fish luring tube is semicircular, and the bottom of the fish luring tube is flat.