CN214257644U

CN214257644U - Mariculture net cage is with preventing fodder ring that drifts away

Info

Publication number: CN214257644U
Application number: CN202022253129.7U
Authority: CN
Inventors: 庄建; 庄希冰; 庄宏表
Original assignee: Zhanjiang Haibao Fishing Gear Development Co ltd
Current assignee: Zhanjiang Haibao Fishing Gear Development Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-09-24
Anticipated expiration: 2030-10-12

Abstract

The utility model relates to a feed drift prevention ring for a seawater culture net cage, which comprises a cylindrical ring, wherein the top end and the bottom end of the cylindrical ring are respectively of a ring structure, a single ring is formed by sealing the head and the tail of a hollow pipe, and the two rings are assembled and fixed by a stay bar; the cylindrical ring is provided with a netting which prevents feed from floating out at the outer ring of the side wall formed by the ring and the stay bar. The beneficial effects of the utility model are that can make the fodder in the net cage neither receive wind, flow to influence, realize throwing in the all-weather and raise, prevent again that the fodder from drifting away, reduce the breed cost, increase economic benefits, improve fisherman's income.

Description

Mariculture net cage is with preventing fodder ring that drifts away

Technical Field

The utility model relates to a mariculture net cage feeding technology, in particular to a feed drift prevention ring for a mariculture net cage.

Background

Under the strong support of the nation and local governments at all levels, the fishery development strategy in China changes from mainly catching to mainly cultivating, and China becomes the only world with the marine cultivated aquatic product yield exceeding the catching yield. The fishing area labor force is gradually and orderly transferred to production and post under the guidance of national industrial policies, fishermen engaged in fishing in the past generation are becoming fish culture workers, and the seawater cage culture is in a rapid development trend.

The fish culture needs to be fed with feed, and the initial period of artificial fish culture is to feed the fish in the net cage with small rough fish or minced fillet. With the continuous expansion of the culture scale and the development of the feed industry, the feed for feeding fishes in the net cage is basically replaced by the expanded pellet feed from small trash fishes and minced fillet. Compared with small trash fish or minced fillet, the expanded pellet feed has the advantages of low cost, contribution to protecting economic juvenile fish resources, convenience in storage, easiness in feeding and the like. In order to ensure that the fed pellet feed is ingested by fishes as much as possible, the existing pellet feed is all expanded floating feed, the floating feed can float in water for a long time to provide sufficient ingestion opportunities for the fishes, but the feed floating on the water surface can float out of meshes of net cages under the action of wind and ocean current, and unnecessary waste is caused. In order to reduce the feed drift as much as possible, the feeding workers choose to feed at the time of calm tide (basically no tide time interval) and the windward part of the net cage, the method can reduce some feed drift, but the effect is limited, and the calm tide time of each day is different, and the feeding time is different from day to day by 45 minutes in a back pushing mode and is repeated in cycles, so that the working difficulty of the feeding workers is increased. Therefore, if the device is designed to be free from the influence of wind direction and tide, the device can feed fishes all the day at regular time, and the device for preventing the feed from drifting is good news of the economic benefit of cage fish culture.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and solve the problem that fishes in the aquaculture net cage are fed and are easy to drift.

In order to achieve the purpose of the utility model, the utility model provides a feed drift prevention ring for a seawater culture net cage, which comprises a cylindrical ring, wherein the top end and the bottom end of the cylindrical ring are respectively in a ring structure, a single ring is formed by sealing the head and the tail of a hollow pipe, and the two rings are assembled and fixed by a stay bar; the cylindrical ring is provided with a netting which prevents feed from floating out at the outer ring of the side wall formed by the ring and the stay bar.

The ring and the ring mentioned herein are not limited to a circle, and may be square or polygonal in practical use. The support rod plays a role in supporting and fixing the two rings, so that the cylindrical ring frame body is formed. The net water flow can pass through but block the feed from flowing out, and the specific mesh size can be selected according to the size of the feed particles.

Preferably, the ring is a polyethylene tube having an outer tube diameter greater than 50 mm.

The polyethylene pipe can be selected from a standard pipe material generally, and can provide enough buoyancy when the outer diameter is larger than 50mm so as to provide a proper-size feed-loss-prevention ring to be reasonably arranged above and below the water surface.

Preferably, the height of the cylindrical ring is greater than 20 cm.

The height of the cylindrical ring is suitable for the habit of the fed objects, and the height of the cylindrical ring is generally more than 20cm, so that the feed of the small fishes can be prevented from splashing or submerging out of the ring.

Preferably, the mesh size of the net is not more than 3 mm.

The mesh setting of netting should adapt to the habit of feeder, is generally not more than 3mm, avoids under the circumstances that the fodder is out of circle, guarantees the rivers flow of box with a net promptly.

Preferably, one end of a traction rope is further fixed on the cylindrical ring, and the traction rope is connected to the net cage floating frame.

The traction ropes can be multiple, and the cylindrical rings are stabilized in the position of the net cage floating frame after connection.

Preferably, both ends of the traction rope are respectively fixed to opposite side walls of the cylindrical ring; pulleys are arranged on one side of the net cage floating frame, and rope binding points are arranged on the opposite side of the net cage floating frame; the middle section of the hauling rope passes through the fixed pulley, and the middle section of the hauling rope is also connected to the rope binding point.

The length of the traction rope is far longer than the diameter of the cylindrical ring, and the traction rope is sequentially connected to the side wall of the cylindrical ring, the fixed pulley, the rope binding point and the other side wall of the cylindrical ring from one end to the other end. The rope tying point can conveniently realize the conversion of loosening and tying fixation of the traction rope.

Preferably, the fixing point of the traction rope on the cylindrical ring is positioned on a ring at the bottom end of the cylindrical ring.

Through the ring that sets up the hollow tube support and the cooperation with the vaulting pole, will let the tube-shape circle realize that the bottom submerges in the water, the gesture that the top floated above the surface of water. Because the fish culture density is generally high, the fishes struggle for fierce and jump up and down when eating, and the raised wave of the fish tail and the fish fin can bring the feed to float a few centimeters away from the water surface or flap to the lower part of the water surface. When the anti-drift ring is adopted, the netting on the anti-drift ring can block the feed above and below the water surface so as to prevent the feed from flowing out of the ring.

Through the haulage rope, set up the tube-shape circle steadily in box with a net floats the frame, reduce the removal of tube-shape circle and float the influence of frame to feeder and box with a net. Meanwhile, the feeding can be conveniently realized by flexibly arranging the traction rope.

The beneficial effects of the utility model are that can make the fodder in the net cage neither receive wind, flow to influence, realize throwing in the all-weather and raise, prevent again that the fodder from drifting away, reduce the breed cost, increase economic benefits, improve fisherman's income.

Drawings

FIG. 1 is a schematic view of a cylindrical ring in a feed drift loss prevention ring for a seawater culture net cage of the utility model;

FIG. 2 is a top view of the whole cage for preventing the forage from drifting out of the sea water culture net;

FIG. 3 is an overall schematic view of the feed drift loss prevention ring for the sea farming net cage of the utility model;

FIG. 4 is a top view of the cylindrical ring in the anti-drift ring for mariculture net cage according to the present invention when feeding fodder;

wherein:

1-cylindrical ring 2-ring 3-brace rod

4-netting 5-fixed pulley 6-hauling rope

7-net cage floating frame 8-rope binding point

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The feed drift loss prevention ring for the mariculture net cage shown in the figure 1 comprises a cylindrical ring 1, wherein the top end and the bottom end of the cylindrical ring 1 are respectively of a ring 2 structure, a single ring 2 is formed by sealing the head and the tail of a polyethylene pipe hollow pipe with the outer diameter larger than 50mm, and the two rings 2 are assembled and fixed through a support rod 3 to form the cylindrical ring 1 with the height larger than 20 cm; the cylindrical ring 1 is provided with a netting 4 for preventing feed from drifting out at the outer ring of the side wall formed by the ring 2 and the stay bar 3, and the mesh size of the netting 4 is not more than 3 mm.

From another point of view, the production of the cylindrical ring 1 of this embodiment: a polyethylene hollow pipe with nominal outer diameter not less than 50mm is bent to form two sealing rings 2 with the same diameter and without water inflow. And then a plurality of support rods 3 with the length not less than 20cm are used for fixing the two circular rings 2 to form an integral barrel shape, and then the feed anti-floating netting 4 with the mesh size not more than 3mm is assembled on the outer sides of the upper circular ring 2, the lower circular ring 2 and the support rods 3.

The main material of this tube-shape circle 1 is polyethylene, and the density of polyethylene is about 0.96, 1.03 lighter than the sea water, and two rings 2 are the sealing ring about just for this tube-shape circle 1 has great self-sustaining buoyancy in the sea water, superposes the weight of vaulting pole 3 and netting 4, can form good balance.

As shown in fig. 2 to 4, one end of a hauling rope 6 is further fixed on the cylindrical ring 1, and the hauling rope 6 is connected to a net cage floating frame 7. Both ends of the pulling rope 6 are respectively fixed to the opposite side walls of the cylindrical ring 1; a pulley 5 is arranged on one side of the net cage floating frame 7, and a rope binding point is arranged on the opposite side; the middle section of the traction rope 6 passes through the fixed pulley 5, and the middle section of the traction rope 6 is also connected to the rope tying point 8. The fixing point of the traction rope 6 on the cylindrical ring 1 is positioned on the ring 2 at the bottom end of the cylindrical ring 1.

From another perspective, the cylindrical ring 1 of this embodiment is matched with the floating cage frame 7: and placing the manufactured cylindrical ring 1 in a net cage floating frame 7 ring. A fixed pulley 5 is arranged at any position on a net cage floating frame 7, one end of a traction rope 6 is fixed at the lower ring 2 of the cylindrical ring 1, the other end of the traction rope 6 penetrates through the fixed pulley 5, the other end of the traction rope 6 is also fixed at the lower ring 2 of the cylindrical ring 1, and the fixed points of the traction rope 6 on the cylindrical ring 1 are opposite. Then, the traction rope 6 is pulled to a rope binding point 8 of the net cage floating frame 7 to be bound, and the rope binding point 8 is opposite to the position of the fixed pulley 5 on the net cage floating frame 7.

When feeding, the hauling ropes 6 tied on the net cage floating frame 7 are loosened, and the hauling ropes 6 are drawn close to make the cylindrical ring 1 close to the edge of the net cage floating frame 7, as shown in figure 4. Therefore, the breeding workers can conveniently pour the feed into the cylindrical ring 1, then pull the end of the traction rope 6 coming through the fixed pulley 5, slowly pull the cylindrical ring 1 to the central position of the net cage, and tie the traction rope 6 at the rope tying point 8 of the net cage floating frame 7 again. The feed fed by the method can float in the central area of the net cage for a long time without being influenced by wind and flow, and the fishes can conveniently feed in the central area of the net cage all the time. Because the fish culture density in the net cage is generally higher, the fishes strive for fierce fish when eating, jump up and down, the raised wave of the fish tail and the fish fin can bring the feed to drift away from the water surface, and at the moment, the net cover 4 on the drift ring can block the feed from drifting out of the ring.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, and that various changes and modifications may be made, which are within the scope of the appended claims.

Claims

1. A feed drift loss prevention ring for a seawater culture net cage is characterized by comprising a cylindrical ring, wherein the top end and the bottom end of the cylindrical ring are respectively of a ring structure, a single ring is formed by sealing the head and the tail of a hollow pipe, and the two rings are assembled and fixed by a support rod; the cylindrical ring is provided with a netting which prevents feed from floating out at the outer ring of the side wall formed by the ring and the stay bar.

2. The loss of feed retention ring according to claim 1, wherein said ring is a polyethylene tube having an outer tube diameter greater than 50 mm.

3. The anti-feed-drift ring according to claim 1, wherein the height of the cylindrical ring is greater than 20 cm.

4. The feed drift loss prevention ring according to claim 1, wherein the mesh size of said net is not more than 3 mm.

5. The feed drift loss prevention ring according to claim 1, wherein one end of a traction rope is further fixed to the cylindrical ring, and the traction rope is connected to the net cage floating frame.

6. The loss of feed control loop of claim 5, wherein the ends of the pull cord are secured to opposite sidewalls of the cylindrical loop, respectively; pulleys are arranged on one side of the net cage floating frame, and rope binding points are arranged on the opposite side of the net cage floating frame; the middle section of the hauling rope passes through the fixed pulley, and the middle section of the hauling rope is also connected to the rope binding point.

7. The feed drift prevention collar of claim 5, wherein the pull cord is positioned on a loop at the bottom end of the cylindrical collar at a point of attachment to the cylindrical collar.