Fishing net for hatching loop

Abstract

A fishing net for an incubation loop is characterized by comprising a guide channel, plain cotton cloth and polyethylene net cloth are arranged on the guide channel, the guide channel is in a U shape, the plain cotton cloth is located at the front end of the guide channel, a covered edge is arranged at the front end of the guide channel, and a U-shaped bamboo strip is arranged in the covered edge at the front end of the guide channel. A button hole is formed in the middle position of the covered edge at the front end of the guide channel, a net rod with a string at the front end is arranged in the button hole, the string at the front end of the net rod penetrates through the button hole and binds and restrains the U-shaped bamboo canes, polyethylene net cloth is arranged at the rear end of the guide channel, and a seedling collecting box is arranged at the rear end of the polyethylene net cloth. When fry catching operation is conducted on an incubation loop, the net is placed in the incubation loop according to the reverse flow direction, the net forces fry to passively enter the fry collecting box from the guide channel under the action of water flow, and therefore the purpose of non-damage fry collecting and catching is achieved, and the net is novel in design, simple in structure, free of damage to the fry, high in catching speed and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, in particular to a fishing net for a hatching loop. Background Art

[0002] Aquatic seedlings play an important basic role in aquaculture. At present, major freshwater fish such as black carp, grass carp, silver carp, bighead carp, carp, crucian carp, and bream have all achieved mass production. Ring flow incubation is an efficient method for seedling production. There is currently a batch incubation device for fertilized fish eggs CN211910147U, an incubation ring with a diameter of 8 meters, which can hatch and produce more than 100 million fish seeds in one batch. After the fertilized eggs develop membranes and the yolk sac basically disappears, the swim bladder is inflated, and they can swim horizontally, the fish seeds need to be caught from the incubation ring in a timely and fast manner. At this time, the surface of the fish seeds is not covered with scales, and the whole body is exposed in the water. The fish body is young, delicate, and has poor swimming ability. In the flowing water state, it is a skill to catch the fish seeds in a concentrated, safe, and fast manner. This is a highly technical job. With the continuous development of automation and intelligence in aquaculture, equipment and devices such as automatic debonding of fish eggs, automatic egg placement, and automatic oxygenation and packaging of seedlings have been developed. However, the fry hatched in the loop under flowing water are still caught using traditional scoop nets and net cages. Although there have been related patent documents reporting on nets for collecting and placing fry in recent years, there are many problems and shortcomings in actual operation, such as low work efficiency, unsatisfactory fishing effect, and easy loss of fry. Therefore, it is particularly important and urgent to develop a fishing net for hatching loops, which can force the fry to passively enter the open net with the help of water flow, thereby collecting the fry without damage and catching the fry. In order to solve the above problems, a fishing net for hatching loops is proposed. Utility Model Content

[0003] According to the above existing technical problems, the utility model provides a fishing net for hatching loops, characterized in that it comprises a guide channel, a seedling collection box, a plain cotton cloth, a polyethylene mesh cloth, a U-shaped bamboo strip, a net rod, a floating frame, a solid bamboo rod, a buttonhole, a crossbeam, and a side beam. The guide channel is provided with a plain cotton cloth and a polyethylene mesh cloth, a binding edge is provided at the front end of the guide channel, a U-shaped bamboo strip is provided in the binding edge at the front end of the guide channel, a buttonhole is provided at the middle position of the binding edge at the front end of the guide channel, a net rod with a thin rope at the front end is provided in the buttonhole, the thin rope at the front end of the net rod passes through the buttonhole and binds the U-shaped bamboo strip, a polyethylene mesh cloth is provided at the rear end of the guide channel, a seedling collection box is provided at the rear end of the polyethylene mesh cloth, a floating frame is provided above the seedling collection box, a solid bamboo rod is provided on the floating frame, and the floating frame consists of a crossbeam and a side beam;

[0004] Furthermore, the cross-sectional dimension of the U-shaped bamboo strip is 1.6 times the cross-sectional dimension of the hatching loop;

[0005] Furthermore, the bottom surfaces of the front end and the middle end of the guide channel are plain cotton cloth, the two sides of the middle end and the rear end are polyethylene mesh cloth, the cross-sectional dimension of the guide channel is 1.5 times the cross-sectional dimension of the hatching ring channel, and the cross-sectional dimension of the rear end of the guide channel is 1 times the cross-sectional dimension of the hatching ring channel;

[0006] Furthermore, the seedling collection box is an open, rectangular box cut and sewn from 80-mesh polyethylene mesh, the width and height of which are smaller than the width of the hatching loop, and the length is larger than the width of the hatching loop;

[0007] Furthermore, the floating frame supporting the seedling collection box is made of three solid woods, wherein the width of one cross beam is smaller than the width of the hatching ring channel, and the width of the two side beams is larger than the width of the hatching ring channel;

[0008] Furthermore, the ends of the cross beams and side beams of the floating frame are spliced ​​with mortise and tenon structures to keep the surface flat, and the ends are provided with upper and lower openings;

[0009] Furthermore, thin ropes are provided at the upper and lower corners of the seedling collecting box, which are bound and restrained on the solid bamboo poles erected at the ends of the floating frame, and the length of the solid bamboo poles is greater than the height dimension of the seedling collecting box.

[0010] Beneficial effects of the utility model:

[0011] 1. When catching fry in the hatching loop, the net is placed in the hatching loop in the countercurrent direction. Under the action of the water flow, the net forces the fry to passively enter the open guide channel, and then enter the fry collection box through the guide channel, so as to achieve the purpose of collecting and catching fry without damage. The net has novel design, simple structure, strong practicality, does not damage the fry, and has a fast and efficient fishing speed;

[0012] 2. The U-shaped bamboo strips of the net can fully expand the opening end of the guide channel, and the U-shaped bamboo strips can be attached to the inner side of the loop, effectively preventing the escape of fry; the binding net rods at the opening end of the guide channel can flexibly adjust the depth of the net, and the net can be fixed after being lowered to the bottom of the hatching loop with the help of the binding net rods, effectively avoiding and solving the problems of washing away the net due to the resistance of the water flow to the net and being difficult to control;

[0013] 3. The bottom of the front and middle ends of the net guide channel are made of plain cotton cloth, and the sides and rear ends of the middle end are made of polyethylene mesh. When the net is lifted, the fry passively enters the fry collection box with the water flow, which ensures the quality of the fry and improves the survival rate of the fry;

[0014] 4. When fishing, adjust the mesh at the top of the guide channel to prevent the net from sticking to the inside of the loop and causing the death of fry;

[0015] 5. The floating frame can make the seedling collection box float on the water surface, and the solid bamboo pole on the floating frame can make the seedling collection box fully unfold, increasing the activity space of the fry and facilitating the operation of fry emergence;

[0016] 6. The net is easy to assemble and disassemble, and the surface of the floating frame is coated with tung oil to increase its waterproof and corrosion resistance and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a fishing net for hatching loops according to the utility model;

[0018] Figure 2 It is a schematic diagram of U-shaped bamboo strips and eyelets at the front section of the guide channel of a fishing net for hatching loops of the utility model;

[0019] Figure 3 It is a schematic diagram of a floating frame assembly of a fishing net for hatching loops according to the utility model;

[0020] As shown in the figure: 1- guide channel, 2- seedling collection box, 3- plain cotton cloth, 4- polyethylene mesh, 5- U-shaped bamboo strips, 6- net poles, 7- floating frame, 8- solid bamboo poles, 9- button holes, 10- cross beams, 11- side beams. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] Example 1

[0025] The utility model provides a fishing net for hatching loops, characterized in that it comprises a guide channel 1, a seedling collection box 2, a plain cotton cloth 3, a polyethylene mesh cloth 4, a U-shaped bamboo strip 5, a net rod 6, a floating frame 7, a solid bamboo rod 8, a button hole 9, a crossbeam 10, and a side beam 11. The guide channel 1 is provided with a plain cotton cloth 3 and a polyethylene mesh cloth 4, the guide channel 1 is U-shaped, the plain cotton cloth 3 is located at the front end of the guide channel 1, a binding edge is arranged at the front end of the guide channel 1, a U-shaped bamboo strip 5 is arranged in the binding edge at the front end of the guide channel 1, a button hole 9 is arranged at the middle position of the binding edge at the front end of the guide channel 1, a net rod 6 with a thin rope at the front end is arranged in the button hole 9, the thin rope at the front end of the net rod 6 passes through the button hole 9 and binds the U-shaped bamboo strip 5, a polyethylene mesh cloth 4 is arranged at the rear end of the guide channel 1, a seedling collection box 2 is arranged at the rear end of the polyethylene mesh cloth, a floating frame 7 is arranged above the seedling collection box 2, a solid bamboo rod 8 is arranged on the floating frame 7, and the floating frame 7 consists of a crossbeam 10 and a side beam 11;

[0026] Further, the cross-sectional dimension of the U-shaped bamboo strip 5 is 1.6 times the cross-sectional dimension of the hatching loop;

[0027] Furthermore, the bottom surfaces of the front end and the middle end of the guide channel 1 are made of plain cotton cloth 3, the sides of the middle end and the rear end are made of polyethylene mesh cloth 4, the cross-sectional dimension of the guide channel 1 is 1.5 times the cross-sectional dimension of the hatching ring, and the cross-sectional dimension of the rear end of the guide channel 1 is 1 times the cross-sectional dimension of the hatching ring;

[0028] Further, the seedling collection box 2 is an open, rectangular box cut and sewn from a 80-mesh polyethylene mesh, the width and height of which are smaller than the width of the hatching loop, and the length is larger than the width of the hatching loop;

[0029] Furthermore, the floating frame 7 supporting the seedling collection box 2 is made of three solid woods, wherein the width of one cross beam 10 is smaller than the width of the hatching ring, and the width of the two side beams 11 is larger than the width of the hatching ring;

[0030] Furthermore, the ends of the cross beam 10 and the side beam 11 of the floating frame 7 are spliced ​​with mortise and tenon structures to keep the surface flat, and both ends have upper and lower openings;

[0031] Furthermore, thin ropes are provided at the upper and lower corners of the seedling collecting box 2, which are tied to the solid bamboo pole 8 erected at the end of the floating frame 7, and the length of the solid bamboo pole 8 is greater than the height dimension of the seedling collecting box 2.

[0032] Example 2

[0033] When catching fry in the hatching loop, the net is placed in the hatching loop in the countercurrent direction, the net rod 6 tied and bound at the open end of the guide channel 1 is adjusted to flexibly adjust the depth of the net, and the U-shaped bamboo strips 5 are attached to the inner side of the loop. Under the action of the water flow, the net forces the fry to passively enter the opened guide channel 1, and then enter the seedling collection box 2 through the guide channel 1. When a certain amount of fry is caught in the seedling collection box 2, the guide channel 1 can be gradually lifted with the help of the tied and bound net rods 6 and the U-shaped bamboo strips 5 with eyelets 9. At this time, the fry in the guide channel 1 can be gathered into the seedling collection box 2 with the help of the water flow or the operator splashing water, and the operator can use a flat bucket to lift the fry. The surface of the floating frame 7 of the net is coated with tung oil to increase its waterproof and anti-corrosion properties and prolong its service life.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fishing net for hatching loops, characterized in that: It includes a guide channel, a seedling collection box, plain cotton cloth, polyethylene mesh, U-shaped bamboo strips, a binding net rod, a floating frame, a solid bamboo pole, a buttonhole, a crossbeam and a side beam. The guide channel is provided with plain cotton cloth and polyethylene mesh. The front end of the guide channel is provided with an edge. The U-shaped bamboo strips are provided in the edge at the front end of the guide channel. A buttonhole is provided in the middle position of the edge at the front end of the guide channel. A net rod with a thin rope at the front end is provided in the buttonhole. The thin rope at the front end of the net rod passes through the buttonhole and binds the U-shaped bamboo strips. The rear end of the guide channel is provided with a seedling collection box. The rear end of the polyethylene mesh is provided with a seedling collection box. A floating frame is provided above the seedling collection box. A solid bamboo pole is provided on the floating frame. The floating frame consists of a crossbeam and a side beam.

2. A fishing net for hatching loop according to claim 1, characterized in that: The cross-sectional dimension of the U-shaped bamboo strip is 1.6 times the cross-sectional dimension of the hatching ring.

3. A fishing net for hatching loop according to claim 2, characterized in that: The bottom surfaces of the front end and the middle end of the guide channel are plain cotton cloth, the two sides of the middle end and the rear end are polyethylene mesh cloth, the cross-sectional size of the guide channel is 1.5 times the cross-sectional size of the hatching ring channel, and the cross-sectional size of the rear end of the guide channel is 1 times the cross-sectional size of the hatching ring channel.

4. A fishing net for hatching loop according to claim 3, characterized in that: The seedling collection box is an open, rectangular box cut and sewn from 80-mesh polyethylene mesh cloth, with a width and height smaller than the width of the hatching loop, and a length larger than the width of the hatching loop.

5. A fishing net for hatching loop according to claim 4, characterized in that: The floating frame supporting the seedling collecting box is made of three solid woods, wherein the width of one cross beam is smaller than the width of the hatching ring channel, and the widths of the two side beams are larger than the width of the hatching ring channel.

6. A fishing net for hatching loop according to claim 5, characterized in that: The ends of the cross beams and side beams of the floating frame are spliced ​​with mortise and tenon structures to keep the surface flat, and the ends are provided with upper and lower openings.

7. A fishing net for hatching loop according to claim 6, characterized in that: The upper and lower four corners of the seedling collecting box are all provided with thin ropes, which are bound and restrained on the solid bamboo poles erected at the ends of the floating frames, and the length of the solid bamboo poles is greater than the height dimension of the seedling collecting box.

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