CN108502113B - Fishing system - Google Patents

Abstract

The invention provides a fishing system, comprising a fishing boat; a light-emitting light group for attracting phototaxis fishery, the light-emitting light group is arranged on the fishing boat; a net that tapers from the front end to the back end along the traveling direction of the fishing boat, The net gear includes a net clothing and a net bag for collecting the fish. The front end of the net clothing is provided with a net port for the fish to enter. The net pocket is arranged at the rear end of the net clothing. A closed movable opening; a net port frame used to maintain the shape of the net port of the net gear, the net port frame is supported at the net port of the net gear and connected with the fishing boat. The fishing system of the invention only needs to place the complete net in the water or lift it in the water to realize the retraction and release of the fishing net, the operation is simple and quick, the manning is less, the operation time is reduced, and the fishing yield is improved.

Description

a fishing system

technical field

The present invention relates to the technical field of fishing, and more particularly, to a fishing system.

Background technique

The use of light to trap phototactic fishery resources is a common fishing technique. In the prior art, fishing of fish species is often realized by purse seine fishing boats, covered net fishing boats or trawler fishing boats, but the above devices all need to arrange heavy fishing nets in the water, and multiple personnel are required to cooperate to complete the net collection, and the number of personnel is large. , the operation is more complicated, which affects the fishing yield.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to provide a fishing system to simplify the operation of retracting and releasing fishing nets, thereby reducing manning and increasing fishing yield.

In order to achieve the above object, the present invention provides the following technical solutions:

A fishing system comprising:

fishing boat;

a light-emitting light group for trapping phototaxis fishery, the light-emitting light group being arranged on the fishing boat;

A net gear that tapers from the front end to the rear end along the traveling direction of the fishing boat, the net gear includes a net garment and a net bag for collecting the catch, and the front end of the net garment is provided with a net port for the fish to enter , the mesh bag is arranged at the rear end of the mesh, and the rear end of the mesh bag is provided with a movable opening that is opened and closed by the mesh bag tie;

A net port frame for maintaining the net port shape of the net gear, the net port frame being supported at the net port of the net gear and connected to the fishing boat.

Preferably, in the above-mentioned fishing system, the net includes:

main net;

a fringe net whose rear end is connected with the front end of the main net;

an edge steel arranged at the front end of the edge mesh;

Connect the edge steel and the mesh port steel of the mesh port frame.

Preferably, in the above-mentioned fishing system, the nets further include:

The netting rope used for lifting and lowering the net bag is provided with a plurality of steel rings arranged along the circumferential direction on the outer side of the front end of the net bag, and the net lifting rope passes through the steel rings in sequence.

Preferably, in the above fishing system, there are two nets, which are respectively located on both sides of the middle of the fishing boat.

Preferably, in the above fishing system, the net is three-dimensionally rotatably connected to the sideboard in the middle of the fishing boat through a connecting hinge, and the connecting hinge includes:

a fixing plate fixed on the sideboard, and an X-direction connecting bolt is arranged on the fixing plate;

a Y-direction rotating shaft connected to the X-direction connecting bolt rotatably around the X-direction;

A rotating plate connected to the Y-direction rotating shaft rotatably around the Y-direction;

The rotary bolt is arranged on the rotary plate rotatably around the Z direction, the network port frame is connected with the rotary bolt, and the X direction, the Y direction, and the Z direction are perpendicular to each other.

Preferably, in the above fishing system, the Z direction is along a horizontal direction;

The net port frame is a rectangular frame, the long side of the rectangular frame is arranged along the width direction of the fishing boat, and an extension branch pipe is arranged near the short side of the fishing boat, and the extension branch pipe is inserted into the hinge hole of the swivel bolt.

Preferably, in the above-mentioned fishing system, a reinforcing grid is arranged on the side near the water surface of the net mouth frame, and triangular reinforcing ribs are arranged on the inner side of the two ends of the side far from the water surface.

Preferably, in the above-mentioned fishing system, it further comprises three pulling ropes capable of making the plane where the net frame is located perpendicular to the traveling direction of the fishing boat;

The two corners of the outer end of the net port frame away from the fishing boat and the lower corner close to the fishing boat are provided with pull rope connection ears, and one end of the three pull ropes is connected to the three pull ropes in a one-to-one correspondence. The ropes are connected to the ears, and the other ends are tied to the bollards of the fishing boat.

Preferably, in the above fishing system, the net is tapered.

Preferably, in the above fishing system, the light-emitting lamp group includes:

Bow spotlights illuminating the sea surface in front of the bow side of the fishing boat, the bow spotlights are arranged on both sides of the bow of the fishing boat;

A fish collecting light illuminates the front of the net port frame, the fish collecting light is arranged on the fishing boat and is located on the front side of the net port frame.

It can be seen from the above technical solutions that the fishing system provided by the present invention includes a fishing boat; a light-emitting light group for attracting phototactic fish species, and the light-emitting light group is arranged on the fishing boat; A tapered net, the net includes a net and a net bag for collecting fish. The front end of the net is provided with a net port for the fish to enter, the net bag is arranged at the rear end of the net, and the rear end of the net is provided with a The movable opening is opened and closed by the net bag tie; the net mouth frame is used to maintain the net mouth shape of the net gear, and the net mouth frame is supported at the net mouth of the net gear and connected with the fishing boat.

When applying, place the net in the water and adjust the frame of the net port so that the net port of the net is facing the forward direction of the fishing boat; during the travel of the fishing boat, according to the phototaxis characteristics of the fishery resources in the middle and upper layers, the light-emitting light group is used to attract and Guide the phototactic fisheries to gather at the bow of the boat and enter the effective gathering position in front of the net; then use the appropriate timing and towing speed by the fishing boat to drive the phototactic fishery resources gathered in the light area into the net, and gather them in the net. At the sack, the phototaxis fishery resources can be captured; when the net is closed, the net is pulled to the fishing boat, and the net sack is untied, so as to open the movable opening at the rear end of the net sac, so that the catch can pass through the movable opening. pour out.

To sum up, the fishing system of the present invention only needs to place the complete net in the water or lift it in the water to realize the retraction and release of the fishing net, the operation is simple and quick, the manning is less, the operation time is reduced, and the efficiency fishing yield.

In addition, the fishing system of the present invention has low energy consumption, high freshness of fish, and low equipment cost, can adapt to various fishing boats that double as crop rotation, and is widely applicable to fishery operations in various water depths.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic structural diagram of a fishing system provided by an embodiment of the present invention;

2 is a schematic structural diagram of a connecting hinge provided by an embodiment of the present invention;

Fig. 3 is the net clothing development view of the net tool provided by the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the connection between a net appliance and a network port frame provided by an embodiment of the present invention.

Detailed ways

The embodiment of the present invention provides a fishing system, which simplifies the retracting and releasing operation of the fishing net, thereby reducing manning and improving the fishing yield at the same time.

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to the accompanying drawings 1-4. The fishing system provided by the embodiment of the present invention includes a fishing boat 1; a light-emitting light group for attracting phototactic fish species, and the light-emitting light group is arranged on the fishing boat 1; The front end is tapered to the rear end of the net, the net includes a net 3 and a net bag 2 for collecting the catch, the front end of the net 3 is provided with a net port for the fish to enter, and the net 2 is arranged on the net 3. The rear end, the rear end of the mesh bag 2 is provided with a movable opening that is opened and closed by the mesh bag tie rope 23; the mesh port frame 4 used to maintain the shape of the mesh port of the net tool, the mesh port frame 4 is supported at the mesh port of the net tool and is Connect with fishing boat 1.

It should be noted that the fishing vessel 1 refers to a vessel that complies with the safety regulations for navigation and operation at sea and has a fishing function.

The mesh port frame 4 refers to a frame formed by bending and welding high-strength materials or metal pipes, which plays the role of connecting the mesh equipment, maintaining the shape of the mesh port, and bearing the resistance of the mesh equipment.

Net gear refers to a net fishing gear with net bag 2 at the back and net port at the front, which is woven from ethylene (polyethylene) and nylon (polyamide) or polypropylene (polypropylene) material net wire. The net bag 2 refers to the last net clothing 3 woven with the wear-resistant fiber material at the part where the net gathers the catch, and the front end is connected with the main net clothing 34 .

The rear end of the mesh bag 2 closes or opens the movable opening through the mesh bag tie rope 23 as required by the operation. The mesh bag tie 23 refers to a rope twisted or braided with fibrous material to close or open the opening at the rear end of the mesh bag 2 .

When applying, put the net in the water, adjust the net port frame 4, so that the net port of the net is facing the forward direction of the fishing boat 1; during the traveling process of the fishing boat 1, according to the phototaxis characteristics of the fishery resources in the middle and upper layers, the luminous lamp group is used. Trap and guide phototaxis fishery species to gather at the bow of the boat and enter the effective gathering position in front of the net; then use the appropriate timing and towing speed by the fishing boat 1 to drive the phototaxis fishery resource species gathered in the light area into the net, and Gather at the net bag 2, thereby capturing the species of phototaxis fishery resources; when the net is closed, the net is pulled to the fishing boat 1, and the net bag binding rope 23 is unfastened, thereby opening the movable opening at the rear end of the net bag 2 , so that the catch is poured out of the active opening.

To sum up, the fishing system of the present invention only needs to place the complete net in the water or lift it in the water to realize the retraction and release of the fishing net, the operation is simple and quick, the manning is less, the operation time is reduced, and the efficiency fishing yield.

In addition, the fishing system of the present invention has low energy consumption, high freshness of fish, and low equipment cost, can adapt to various fishing boats 1 and double crop rotation, and is widely applicable to fishery operations in various water depths.

Compared with purse seiners1 of the same size, the equipment cost is reduced by 40%, the energy consumption is reduced by 80%, and the personnel is reduced by three-quarters. Compared with the fishing boat with the same scale, the equipment cost is reduced by 40%, the energy consumption is reduced by 70%, and the personnel is reduced by 1/4. Compared with a trawler of the same size, the equipment cost is reduced by 30%, the energy consumption is reduced by 40%, and the personnel is reduced by two-fifths. If it is used as both, it can increase the original fishing capacity by more than 20%.

The mesh 3 includes a main mesh 34; an edge mesh 33 whose rear end is connected to the front end of the main mesh 34; an edge steel 32 arranged at the front end of the edge mesh 33; .

The main net 34 is connected from front to back by the cylindrical nets 3 woven from nylon (polyamide) material with mesh size and mesh circumference gradually reduced, and each cylinder 3 is made of corresponding mesh size. It is formed by sewing the rectangular mesh with the thickness of the mesh into a cylindrical shape. The unfolded view of the mesh 3 is shown in Figure 3. The front end is connected to the edge mesh 33, and the rear end is connected to the mesh bag 2.

The edge mesh 33 refers to the frontmost part of the mesh 3 of the conical mesh woven with wear-resistant fiber materials, the front edge is equipped with edge steel 32 and mesh steel 31, and the rear end is connected to the front edge of the main mesh 34 by stitching. .

The edge steel 32 refers to a rope that is twisted or braided with fiber material and is threaded into the front end mesh of the edge mesh 33 according to a certain condensed length.

The mesh port steel 31 refers to the ropes that are twisted or woven into fiber materials and ligated side by side with the same length as the edge steel 32 to maintain and limit the expansion of the mesh port. On the port frame 4 (the length of the port steel 31 is the same as the perimeter of the inner side of the port frame 4). The thin rope 8 refers to a rope twisted (or braided) with fiber or monofilament material.

The above-mentioned net clothing 3 has better strength and longer service life. Of course, the above-mentioned net clothing 3 can also be an integral structure, which is connected with the net port frame 4 by ropes.

In order to simplify the operation, the net device also includes a net rope 22 for lifting and lowering the net bag 2. A plurality of steel rings 21 arranged along the circumferential direction are arranged on the outer side of the front end of the net bag 2, and the net rope 22 passes through the steel rings 21 in sequence. . The netting rope 22 refers to a rope twisted or braided with fibrous material. The steel ring 21 refers to a ring made of metal with a smooth surface and high strength.

The present invention lifts and lowers the netting rope 22 of the net bag 2 through the lifting and lowering of the netting rope 22, and cooperates with the lifting and lowering of the net opening frame 4, so as to facilitate the arrangement and lifting of the net. Of course, the present invention can also use a netting frame to replace the above-mentioned netting rope 22 . The entire net can also be lifted and lowered slowly through the net port frame 4 .

In order to further improve the fishing yield, there are two nets, which are located on both sides of the middle of the fishing boat 1 respectively. Of course, the number of the nets can also be four, which are respectively arranged on both sides of the front part and the rear part of the fishing boat 1 .

As shown in Figure 2, the net is three-dimensionally connected to the sideboard in the middle of the fishing boat 1 through a connecting hinge 9. The connecting hinge 9 includes a fixing plate 91 fixed on the sideboard, and the fixing plate 91 is provided with an X-direction connecting bolt 95; The Y-direction rotating shaft 92 connected to the X-direction connecting bolt 95 rotatably around the X-direction; the turning plate 94 connected to the Y-direction rotating shaft 92 rotatably around the Y-direction; the turning bolt arranged on the turning plate 94 rotatably around the Z-direction 93. The network port frame 4 is connected to the swivel bolt 93, and the X, Y, and Z directions are perpendicular to each other.

A connecting hinge 9 is installed symmetrically on both sides of the fishing boat 1, and the connecting hinge 9 can realize the rotation of the mesh port frame 4 around the three directions of X, Y and Z directions, and can better adapt to the airflow resistance in different directions. Of course, the above-mentioned connecting hinge 9 can also only realize the rotation in one direction or two directions among the X direction, the Y direction, and the Z direction. The above-mentioned nets can also be directly connected to the fishing boat 1 through other structures such as chains.

Specifically, the Z direction is in the horizontal direction; in this way, the rotary bolt 93 can be rotated around the horizontal direction by rotating the rotary bolt 93, thereby driving the mesh port frame 4 to move up and down, adjusting the water depth of the mesh port frame 4, and the non-working time can pass through Rotate the swivel bolt 93 to adjust the net port frame 4 and the net tool away from the water body, which makes the operation easier.

The net port frame 4 is a rectangular frame, the long side of the rectangular frame is arranged along the width direction of the fishing boat 1, and an extension branch pipe 41 is arranged near the short side of the fishing boat 1. Assembly with connecting hinge 9. The above-mentioned network port frame 4 may also be in other shapes, such as an oval shape and the like.

Preferably, reinforcement grids are provided on the side near the water surface of the mesh port frame 4 , and triangular reinforcing ribs are provided on the inner sides of the two ends of the side far from the water surface, which further improves the strength of the mesh port frame 4 . Of course, the present invention can also increase the cross-sectional area of the network port frame 4 to achieve the same effect of improving the strength.

Preferably, the fishing system further comprises three pulling ropes 5 that can make the plane where the net port frame 4 is located is perpendicular to the traveling direction of the fishing boat 1 ; Each of the corners is provided with pull rope connection ears 42 , one end of the three pull ropes 5 is connected to the three pull rope connection ears 42 in a one-to-one correspondence, and the other ends are all tied to the bollards of the fishing boat 1 .

The pull rope 5 refers to a rope made of high-strength linear material or fiber material by twisting (knitting), one end is connected with the pull rope connecting ear 42 of the mesh frame 4, and the other end is fastened to the bollard on the bow to withstand the The net mouth frame 4 and the net implement all the resistance and the function of maintaining the net mouth facing the direction of the water flow.

As shown in Figure 1, except for the position close to the connecting hinge 9, the long sides of the other three corners are welded with pull rope connecting ears 42, each of which is connected to a pull rope 5, and the other end of the pull rope 5 is fastened to the bow of the ship On the mooring pile, the force of each pull rope 5 should be uniform. After the length of the pull rope 5 is adjusted, the plane of the net frame 4 should face the forward direction of the fishing boat 1, thereby improving the traction strength of the net gear.

It can be understood that, the present invention can also replace the above-mentioned pull rope 5 by linking chains or other structures capable of providing traction force of the mesh port frame 4 .

In order to facilitate the gathering of fish, preferably, the net is tapered. Specifically, the rear end of the net is conical, and the front end is stretched into a rectangle by the net port frame 4 . After the tapered net is made, use a string to fasten the net port steel 31 to the net port frame 4 along the inner side of the net port frame 4 (the length of the net port steel 31 is the same as the perimeter of the inner side of the net port frame 4). ). Of course, the above-mentioned nets can also be in other shapes, such as cylindrical shapes and the like.

As shown in FIG. 1, the light-emitting light group includes a bow spotlight 7 that illuminates the sea surface in front of the bow side of the fishing boat 1, and the bow spotlight 7 is arranged on both sides of the bow of the fishing boat 1; The fish light 6 is arranged on the fishing boat 1 and is located on the front side of the net port frame 4 .

The fish-collecting light 6 refers to the electric light (a water-borne light and an underwater light) installed on the fishing boat 1, and is used to attract phototaxis fishery resource species during operation. Spotlights refer to electric lights installed on both sides of the bow that can illuminate a long distance, and are used to attract and excite phototaxis species during operation. The light-emitting lamp group of the present invention may also include only the fish-collecting light 6 , and the light-emitting light group may also be arranged on the mesh port frame 4 .

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A fishing system, comprising:

a fishing vessel (1);

the light-emitting lamp group is used for trapping phototaxis fishes and is arranged on the fishing boat (1);

the net tool is gradually reduced from the front end to the rear end along the advancing direction of the fishing boat (1), the net tool comprises a net (3) and a net bag (2) for collecting fisheries, the front end of the net (3) is provided with a net opening for the entry of fisheries, the net bag (2) is arranged at the rear end of the net (3), and the rear end of the net bag (2) is provided with a movable opening which is opened and closed through a net bag tying rope (23);

a net mouth frame (4) for maintaining the shape of the net mouth of the net, the net mouth frame (4) being supported at the net mouth of the net and connected with the fishing vessel (1);

in the advancing process of the fishing boat (1), the net mouth of the net is enabled to face the advancing direction of the fishing boat (1), and the light-emitting lamp group induces and guides phototactic fishes to gather at the bow and enter an effective driving and gathering position in front of the net; then, the phototaxis fishery resource types gathered in the illumination area are driven into the net tool through the fishing boat (1) and gathered at the net bag (2);

the netting gear through connect hinge (9) with the broadside three-dimensional rotation in middle part of fishing boat (1) is connected, connect hinge (9) and include:

a fixing plate (91) fixed on the side board, wherein an X-direction connecting bolt (95) is arranged on the fixing plate (91);

a Y-direction rotating shaft (92) which is connected with the X-direction connecting bolt (95) in a manner of rotating around the X direction;

a rotating plate (94) which can rotate around the Y direction and is connected with the Y-direction rotating shaft (92);

the rotating bolt (93) is rotatably arranged on the rotating plate (94) in the Z direction, the net port frame (4) is connected with the rotating bolt (93), and the X direction, the Y direction and the Z direction are vertical in pairs;

the rotating bolt (93) is rotated to rotate around the horizontal direction by rotating the rotating bolt (93), so that the net mouth frame (4) is driven to move up and down, and the water depth of the net mouth frame (4) is adjusted.

2. Fishing system according to claim 1, characterized in that the netting (3) comprises:

a main netting (34);

a flange net (33) with the rear end connected with the front end of the main net (34);

a rim steel (32) provided at a front end of the rim net (33);

and the net opening steel (31) is used for connecting the edge steel (32) and the net opening frame (4).

3. Fishing system according to claim 2, characterized in that said netting gear further comprises:

the net lifting rope (22) is used for lifting and putting down the net bag (2), a plurality of steel rings (21) arranged along the circumferential direction are arranged on the outer side of the front end of the net bag (2), and the net lifting rope (22) sequentially penetrates through the steel rings (21).

4. Fishing system according to claim 1, characterised in that the net is two, one on each side of the middle of the fishing vessel (1).

5. Fishing system according to claim 1, wherein the Z-direction is in a horizontal direction;

the net mouth frame (4) is a rectangular frame, the long edge of the rectangular frame is arranged in the width direction of the fishing boat (1) and is close to the short edge of the fishing boat (1) and an extension branch pipe (41) is arranged, and the extension branch pipe (41) is inserted into a hinge hole of the rotating bolt (93).

6. Fishing system according to claim 5, characterized in that the near water surface side of the net mouth frame (4) is provided with a reinforcing grid, and the inside of the two end corner angles of the far water surface side is provided with a triangular reinforcing rib.

7. Fishing system according to claim 5, characterized by comprising three guys (5) enabling the level of the net gape frame (4) to be perpendicular to the direction of travel of the fishing vessel (1);

keep away from net gape frame (4) two bent angles in the outer end of fishing boat (1) and be close to the lower extreme bent angle of fishing boat (1) all is provided with stay cord engaging lug (42), three the one end one-to-one ground connection of stay cord (5) is three stay cord engaging lug (42), the other end all is in on the mooring bollard of fishing boat (1).

8. Fishing system according to claim 1, characterized in that the netting is conical.

9. Fishing system according to any of the claims 1 to 8, characterized in that said set of light-emitting lamps comprises:

the bow spot lamps (7) irradiate the sea surface in front of the bow side of the fishing boat (1), and the bow spot lamps (7) are arranged on two sides of the bow of the fishing boat (1);

shine fish gathering lamp (6) in net gape frame (4) the place ahead, fish gathering lamp (6) set up fishing boat (1) is gone up and is located the front side of net gape frame (4).

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