CN216123722U - Cultivated fish catching device with replaceable bag net - Google Patents

Cultivated fish catching device with replaceable bag net Download PDF

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Publication number
CN216123722U
CN216123722U CN202121923375.7U CN202121923375U CN216123722U CN 216123722 U CN216123722 U CN 216123722U CN 202121923375 U CN202121923375 U CN 202121923375U CN 216123722 U CN216123722 U CN 216123722U
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CN
China
Prior art keywords
net
bag
line
opening
zipper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121923375.7U
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Chinese (zh)
Inventor
王磊
王鲁民
刘永利
王永进
徐国栋
王帅杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
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East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
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Priority to CN202121923375.7U priority Critical patent/CN216123722U/en
Application granted granted Critical
Publication of CN216123722U publication Critical patent/CN216123722U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a bag net replaceable type cultured fish fishing device, which comprises a net, wherein the net comprises a wing net, a net body and a bag net, the wing net is connected to two sides of an opening at the front part of the net body, the bag net is connected to an opening at the rear part of the net body, the bag net comprises a floating frame, a cover net zipper, a bag net bottom net, a bag net cover net, a bag net opening zipper and a sinker line, the bag net is connected with a net body rear opening zipper on a net cover opening at the rear part of the net body through the bag net opening zipper, the bag net cover net is positioned on a top net at the upper part of the bag net, and a cover net zipper is arranged in the center of the bag net cover net; the floating frame is a square frame formed by welding HDPE pipes, the size of the square frame is 2 meters long and 2 meters wide, the square frame is connected to the net head line of the cover net, and the sinker line is formed by connecting the head lines of four sides of the net of the bag net bottom net and an iron chain; the funnel net is also arranged in the net body, the front opening of the funnel net is superposed with the front opening of the net body, and a steel rope at the inner edge of the funnel net is tied on a lacing line of the net body through a funnel lacing line to form a funnel opening.

Description

Cultivated fish catching device with replaceable bag net
Technical Field
The utility model relates to the field of fish catching, in particular to a bag net replaceable type cultured fish catching device.
Background
The fish catching of culture facilities such as deep water net cages and the like is simple and convenient, and due to the small culture space, personnel can stand on the net cage frame to gather fish by adopting a small enclosing and pulling net and then catch the fish by adopting fishing gear such as a small hand-dip net and the like. With the upsizing of the culture facilities, such as large-scale culture facilities like fence culture facilities, due to the wide water surface of the culture sea area and the complex conditions of water depth and topography, the cultured fishes are difficult to be caught by adopting a small purse net lifting and catching mode, while the large-scale fishing gear like purse nets, trawl nets and gill nets needs to be equipped with large ships and supporting equipment and is difficult to be used in the large culture facilities, and the fishes caught by the gill net fishing gear are easy to damage and die the fish bodies, so the fishing gear suitable for the large culture facilities and the use method thereof need to be designed to meet the lifting and catching requirements.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a bag net replaceable type cultured fish catching device to solve at least one technical problem.
The technical scheme of the utility model is as follows: the bag net replaceable type cultured fish catching device comprises a net and is characterized in that the net comprises wing nets, a net body and bag nets, the wing nets are connected to two sides of an opening in the front of the net body, the bag nets are connected to an opening in the rear of the net body, each bag net comprises a floating frame, a cover net zipper, a bag net bottom net, a bag net cover net, a bag net opening zipper and a sinker line, each bag net is connected with the net body rear opening zipper on the net clothes opening in the rear of the net body through the bag net opening zipper, each bag net cover net is located on a top net on the upper portion of each bag net, and the cover net zipper is arranged in the center of each bag net cover net;
the floating frame is a square frame formed by welding HDPE pipes, the outer diameter of each HDPE pipe is 50mm, the size of each square frame is 2 meters in length and 2 meters in width, each square frame is connected to a net cover edge line, and each sinker line is formed by connecting edge lines of four edges of a net of a bag net bottom net and an iron chain;
the funnel net is further arranged in the net body, the front opening of the funnel net is overlapped with the front opening of the net body, and a steel rope at the inner edge of the funnel net is pulled on a lacing line of the net body through a funnel lacing line to form a funnel opening.
The self-supporting structure is formed by the frame and the sinkers, so that the sac net part is also of an expanded structure under the action of no water flow, and the scraping caused by the extrusion of internal fishes is avoided; the cover net of the sac net is of a zipper type structure, can be opened or closed quickly, and is convenient for quickly harvesting internal fishes in water after being caught; the connection between the sac net and the net body is also connected and disassembled by utilizing a zipper structure, so that the sac net is convenient to replace; the mesh size of the bag net can be designed in various specifications according to the requirements of the specifications of the fished fish body, and the bag net can be quickly replaced by using the zipper type structure when needed.
Preferably, the sac net further comprises cover net edge lines positioned on the peripheral edges of the sac net cover net and sac net side nets positioned on four side faces of the sac net, and the sac net side nets are polyethylene warp-knitted nets.
More preferably, the specification of the iron chain is 0.5 to 1 kg/m. The sinker line is matched with the floating frame to open the sac net.
Preferably, the bag net opening zipper, the cover net zipper and the net body rear opening zipper are high-strength plastic zippers, zipper teeth are arranged on the high-strength plastic zippers, and the zipper teeth are of clamping tooth structures of the high-strength plastic zippers.
Preferably, the wing net is a nylon warp knitted net, the diameter of a net line of the wing net is 1.0mm, the side length of a mesh size square mesh of the wing net is 30mm, the upper edge of the wing net is an upper line, the lower edge of the wing net is a lower line, sleeve lines are arranged at two ends of the wing net, one side of each sleeve line is connected with the upper line and the lower line respectively, the other end of each sleeve line is connected with a warp line, and the warp line is used for connecting a main net lifting machine and an auxiliary net lifting machine.
Preferably, the main net hauler comprises a mobile platform, rollers are mounted below the mobile platform, a fuel oil engine for providing net hauler power and a rotating wheel for winching a rope or netting are loaded on the mobile platform, and the main net hauler and the auxiliary net hauler are consistent in structure.
Through manual net releasing, the net hauler assists net collecting in order to realize operations such as dragging, carries out high efficiency fish gathering with the leading-in bag net of fish and catches, can also realize the change of different mesh specifications bag net to catch the fish of target specification certain limit, two sets of net haulers all can move, can remove the cooperation according to the circumstances and carry out operations such as receiving and releasing, the removal of netting gear, relieve the manpower restriction problem.
Preferably, the head line is a polyethylene three-strand rope with the diameter of 8mm, the head line is provided with floats, the head line is connected with the floats to form a floating head line, the floats are foam floating balls with the diameter of 18 cm, the floats are fixedly connected to the head line at the interval of 1 m, the foot line is a nylon braided rope with the diameter of 6mm, the foot line is provided with an iron chain, the foot line is connected with the iron chain to form a foot line, and the specification of the iron chain is 0.5-1 kg/m.
More preferably, the length of the one-sided net is 50m, and the height of the one-sided net is 15 m. The height of the net is 1.5-2.0 times of the water depth, and the height of the wing net is 15 meters, so that the net is ensured to cover the longitudinal water surface under a certain stress condition, and the fish is prevented from escaping.
Further preferably, the net body is a polyethylene net, the diameter of the net line of the net body is 2.0mm, the mesh size of the net body is the same as that of the wing net, the circumference of the front opening of the net body is about 50m, and the net body is a middle fish guiding part connecting the wing net and the sac net.
Preferably, the lower part of the front opening of the net body is provided with a net opening bottom line, the net opening bottom line is formed by connecting a nylon braided rope with the diameter of 6mm with an iron chain, and the specification of the iron chain is 1.5-2.5 kg/m.
Preferably, the size of the net of the funnel net is the same as that of the net body, and the circumference of the funnel opening is 20 m.
Drawings
FIG. 1 is a schematic view of efficient fishing of farmed fish on a large fence platform.
Figure 2 is a schematic view of a fishing net.
Fig. 3 is a schematic view of the connection between the bag net and the net body.
Fig. 4 is a schematic view of a main net hauler.
In the figure: 1. the net cage comprises a main net lifting machine 2, a wing net 3, a floater 4, an upper line 5, a lower line 6, a net opening bottom line 7, a funnel opening 8, a bag net 9, a net body 10, a funnel net 11, a sleeve line 12, a warp line 13, an auxiliary net lifting machine 14, a fence platform 15, a floating frame 16, a cover net zipper 17, a funnel line 18, a cover net edge line 19, a bag net cover net 20, a bag net opening zipper 21, zipper teeth 22, a net body rear opening zipper 23, a bag net bottom net 24, a sinker line 25, a bag net side net 26, a rotating wheel 27, an oil burner 28, a roller 29 and a moving platform.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1-4, wherein the cultivation facility takes a fence platform 14 as an example, the water depth is 10 meters, the bag net replaceable type cultivated fish catching device comprises a net, the net comprises a wing net 2, a net body 9 and a bag net 8, the wing net is connected to two sides of an opening at the front part of the net body, the bag net is connected to an opening at the rear part of the net body, the bag net comprises a floating frame 15, a cover net zipper 16, a bag net bottom net 23, a bag net cover net 19, a bag net opening zipper 20 and a sinker mesh 24, the bag net is connected with a net body rear opening zipper 22 on a net opening at the rear part of the net body through the bag net opening zipper, the bag net cover net is positioned at a top net at the upper part of the bag net, and a cover net zipper is arranged at the center of the bag net cover net; the floating frame is a square frame formed by welding HDPE pipes, the outer diameter of each HDPE pipe is 50mm, the size of each square frame is 2 meters in length and 2 meters in width, each square frame is connected to the net head line, and each sinker line is formed by connecting the head lines of four edges of the net of the bag net bottom net and an iron chain; the inside of the net body is also provided with a funnel net 10, the front opening of the funnel net is superposed with the front opening of the net body, and a steel rope at the inner edge of the funnel net is tied on a lacing line of the net body through a funnel line 17 to form a funnel opening 7.
The self-supporting structure is formed by the frame and the sinkers, so that the sac net part is also of an expanded structure under the action of no water flow, and the scraping caused by the extrusion of internal fishes is avoided; the cover net of the sac net is of a zipper type structure, can be opened or closed quickly, and is convenient for quickly harvesting internal fishes in water after being caught; the connection between the sac net and the net body is also connected and disassembled by utilizing a zipper structure, so that the sac net is convenient to replace; the mesh size of the bag net can be designed in various specifications according to the requirements of the specifications of the fished fish body, and the bag net can be quickly replaced by using the zipper type structure when needed.
Further preferably, the bag net further comprises cover net edge lines 18 positioned at the peripheral edges of the bag net cover net and bag net side nets 25 positioned on four side surfaces of the bag net, and the bag net side nets are polyethylene warp-knitted nets.
More preferably, the specification of the iron chain is 0.5 to 1 kg/m. The sinker rope is matched with the floating frame to open the sac net.
Preferably, the bag net opening zipper, the cover net zipper and the net body rear opening zipper are all high-strength plastic zippers, zipper teeth 21 are arranged on the high-strength plastic zippers, and the zipper teeth are of clamping tooth structures of the high-strength plastic zippers.
Preferably, the wing net is a nylon warp knitted net, the diameter of a net wire of the wing net is 1.0mm, the side length of a mesh size square mesh of the wing net is 30mm, the upper edge of the wing net is an upper line 4, the lower edge of the wing net is a lower line 5, sleeve lines 11 are arranged at two ends of the wing net, one side of each sleeve line is connected with the upper line and the lower line respectively, the other end of each sleeve line is connected with a warp line 12, and the warp line is used for connecting the main net hauler 1 and the auxiliary net hauler 13.
It is further preferred that the main net hauler comprises a mobile station 29, under which are mounted rollers 28, carrying an oil-fired machine 27 providing the power for the net hauler and a turning wheel 26 for winching the rope or clothing, the main net hauler and the auxiliary net hauler being structurally identical.
Through manual net releasing, the net hauler assists net collecting in order to realize operations such as dragging, carries out high efficiency fish gathering with the leading-in bag net of fish and catches, can also realize the change of different mesh specifications bag net to catch the fish of target specification certain limit, two sets of net haulers all can move, can remove the cooperation according to the circumstances and carry out operations such as receiving and releasing, the removal of netting gear, relieve the manpower restriction problem.
Preferably, the head line is a polyethylene three-strand rope with the diameter of 8mm, the head line is provided with floaters 3, the head line is connected with the floaters to form a head line, the floaters are foam floating balls with the diameter of 18 cm, the floaters are fixedly connected to the head line at the interval of 1 m, the head line is a nylon braided rope with the diameter of 6mm, the head line is provided with an iron chain, the head line is connected with the iron chain to form a base line, and the specification of the iron chain is 0.5-1 kg/m.
More preferably, the length of the one-sided net is 50m, and the height of the one-sided net is 15 m. The height of the net is 1.5-2.0 times of the water depth, and the height of the wing net is 15 meters, so that the net is ensured to cover the longitudinal water surface under a certain stress condition, and the fish is prevented from escaping.
Preferably, the net body is a polyethylene net, the diameter of the net wire of the net body is 2.0mm, the mesh size of the net body is the same as that of the wing net, the circumference of the front opening of the net body is about 50m, and the net body is a fish guiding part in the middle of the wing net and the sac net.
More preferably, the lower part of the front opening of the net body is provided with a net opening bottom line 6, the net opening bottom line is formed by connecting an iron chain through a nylon braided rope with the diameter of 6mm, and the specification of the iron chain is 1.5-2.5 kg/m.
Preferably, the size of the net of the funnel net is the same as that of the net body, and the circumference of the funnel opening is 20 m.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims (9)

1. The bag net replaceable type cultured fish catching device comprises a net and is characterized in that the net comprises wing nets, a net body and bag nets, the wing nets are connected to two sides of an opening in the front of the net body, the bag nets are connected to an opening in the rear of the net body, each bag net comprises a floating frame, a cover net zipper, a bag net bottom net, a bag net cover net, a bag net opening zipper and a sinker line, each bag net is connected with the net body rear opening zipper on the net clothes opening in the rear of the net body through the bag net opening zipper, each bag net cover net is located on a top net on the upper portion of each bag net, and the cover net zipper is arranged in the center of each bag net cover net;
the floating frame is a square frame formed by welding HDPE pipes, the outer diameter of each HDPE pipe is 50mm, the size of each square frame is 2 meters in length and 2 meters in width, each square frame is connected to a net cover edge line, and each sinker line is formed by connecting edge lines of four edges of a net of a bag net bottom net and an iron chain;
the funnel net is further arranged in the net body, the front opening of the funnel net is overlapped with the front opening of the net body, and a steel rope at the inner edge of the funnel net is pulled on a lacing line of the net body through a funnel lacing line to form a funnel opening.
2. The bag net-replaceable farmed fish catching apparatus as set forth in claim 1, wherein: the bag net further comprises cover net edge lines positioned on the peripheral edges of the bag net cover net and bag net side nets positioned on four side faces of the bag net, and the bag net side nets are polyethylene warp-knitted nets.
3. The bag net-replaceable farmed fish catching apparatus as set forth in claim 1, wherein: the bag net opening zipper, the cover net zipper and the net body back opening zipper are all high-strength plastic zippers, zipper teeth are arranged on the high-strength plastic zippers, and the zipper teeth are of clamping tooth structures of the high-strength plastic zippers.
4. The bag net-replaceable farmed fish catching apparatus as set forth in claim 1, wherein: the wing net is a nylon warp knitted net, the diameter of a net line of the wing net is 1.0mm, the side length of a mesh size square mesh of the wing net is 30mm, the upper edge of the wing net is an upper line, the lower edge of the wing net is a lower line, sleeve lines are arranged at two ends of the wing net, one side of each sleeve line is connected with the upper line and the lower line respectively, the other end of each sleeve line is connected with a warp line, and the warp line is used for connecting a main net puller and an auxiliary net puller.
5. The bag net-replaceable farmed fish catching apparatus as set forth in claim 4, wherein: the main net hauler comprises a mobile platform, rollers are installed below the mobile platform, a fuel oil engine for providing net hauler power and a winch traction rope or a rotating wheel of a netting are borne on the mobile platform, and the main net hauler and the auxiliary net hauler are consistent in structure.
6. The bag net-replaceable farmed fish catching apparatus as set forth in claim 4, wherein: the steel rope comprises an upper steel rope, floaters, a lower steel rope and a steel chain, wherein the upper steel rope is a polyethylene three-strand rope with the diameter of 8mm, the upper steel rope is provided with the floaters, the upper steel rope is connected with the floaters to form a floaters steel rope, the floaters are foam floating balls with the diameter of 18 cm, the floaters are fixedly connected to the upper steel rope at the interval of 1 m, the lower steel rope is a nylon braided rope with the diameter of 6mm, the lower steel rope is provided with the steel chain, and the lower steel rope is connected with the steel chain to form a bottom steel rope.
7. The bag net-replaceable farmed fish catching apparatus as set forth in claim 4, wherein: the net body is a polyethylene net, the diameter of the net wire of the net body is 2.0mm, the mesh size of the net body is the same as that of the wing net, the circumference of the front opening of the net body is about 50m, and the net body is a fish guiding part in the middle of the wing net and the sac net.
8. The bag net-replaceable farmed fish catching apparatus as set forth in claim 7, wherein: the lower part of the front opening of the net body is provided with a net opening bottom line, and the net opening bottom line is formed by connecting nylon braided ropes with the diameter of 6mm with an iron chain.
9. The bag net-replaceable farmed fish catching apparatus as set forth in claim 7, wherein: the specification of the net of the funnel net is the same as that of the net body, and the circumference of the funnel opening is 20 meters.
CN202121923375.7U 2021-08-17 2021-08-17 Cultivated fish catching device with replaceable bag net Expired - Fee Related CN216123722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121923375.7U CN216123722U (en) 2021-08-17 2021-08-17 Cultivated fish catching device with replaceable bag net

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121923375.7U CN216123722U (en) 2021-08-17 2021-08-17 Cultivated fish catching device with replaceable bag net

Publications (1)

Publication Number Publication Date
CN216123722U true CN216123722U (en) 2022-03-25

Family

ID=80770325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121923375.7U Expired - Fee Related CN216123722U (en) 2021-08-17 2021-08-17 Cultivated fish catching device with replaceable bag net

Country Status (1)

Country Link
CN (1) CN216123722U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220325

CF01 Termination of patent right due to non-payment of annual fee