CN103478088A - Dragnet with a plurality of serial bags and fishing method using dragnet - Google Patents
Dragnet with a plurality of serial bags and fishing method using dragnet Download PDFInfo
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- CN103478088A CN103478088A CN201310407953.5A CN201310407953A CN103478088A CN 103478088 A CN103478088 A CN 103478088A CN 201310407953 A CN201310407953 A CN 201310407953A CN 103478088 A CN103478088 A CN 103478088A
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Abstract
The invention discloses a dragnet with a plurality of serial bags and fishing method using the dragnet. The dragnet comprises a net wing, a net body and a net bag. The net bag comprises the plurality of bags which are serially connected end to end and frame. Each frame is provided with a front-rear frame open-close device, a bag separating device and a controller. By the arrangement, fish captured by the dragnet can be gathered in corresponding bags in batches, separated from the net body along with the bags, and dragged and lifted to a fishing boat, the problems of pressing, scratch, death even deterioration, caused by long-term trawling, of the captured fish are solved, survival rate and freshness quality of the captured fish are increased, and power of a fishing boat winch can be relieved due to lifting in batches and light bags.
Description
Technical field
The present invention relates to a kind of Fishing tool, refer more particularly to a kind of improve catches survival rate and fresh and alive degree organize trawlnet and the catching method thereof of pouch with serial more.
Background technology
Trawlnet is a kind of filter fishing gear of movement, relies on fishing boat power towing pouch shape fishing gear, in the waters of its process, forces fish, shrimp, crab etc. to fish for object and enters in the net capsule, reaches the purpose of fishing.
Just due to the trawling maneuverability, strong adaptability, production efficiency is high, has development speed history and characteristics faster.Modern Trawl gear not only can be used for fishing for fish, also can be for fishing for siphonopods, shellfish and shell-fish; Not only can be used for fishing for and perch the depth of water and only have the object of fishing for of several meters, tens meters, also can perch the depth of water and reach the deep-sea kind of thousands of meters for fishing for.This high efficiency fishing for to marine fishery resources caused immense pressure, more fishery harvesting resource falls into recession, and each drag operation time is multiplied, and during the operation of net capsule, the distortion drainability is poor, caused the catches extruding, scratch, the death that enter in net, even rotten.For this reason, both at home and abroad by a large amount of technological improvements, use from square mesh, the towing method improvement, the adjustment of towing time etc. improves the fishery harvesting quality, as Granted publication number is CN2657393Y, name is called a kind of utility model patent of net sack of fishing trawl, disclose a kind of fishing trawl structure, the net capsule structure that adopts square mesh and diamond mesh to combine, improved the fishing selectivity, but owing to fundamentally not reforming gear structure and catches collecting mode, in trawlnet towing process for a long time, catches are in a large amount of gatherings of net capsule, pile up, survival rate and the fresh and alive degree of catches are not still improved, product quality is still lower.
Summary of the invention
When the present invention mainly solves existing trawling, the net capsule is subject to catches to pile up poor catches extruding, scratch, dead, the even rotten technical problem of causing of yielding and drainability; What provide a kind of and can control net capsule extraction time, improved catches survival rate and fresh and alive degree organizes trawlnet and the catching method thereof of pouch with serial more.
In order to solve the technical problem of above-mentioned existence, the present invention adopts following technical proposals:
The trawlnet of organizing pouch with serial of the present invention more, for the operation that drags a net in fishing of fishing boat, described trawlnet comprises wing, body and net capsule, and described wing is provided with the guiding principle that drags be connected with fishing boat, and described net capsule is located at the body rear end and is connected with body, and the net capsule comprises
Some pouches, for the splendid attire catches, a plurality of pouch headtotails are connected in series in the body rear end, the front end pouch mouth of pouch is provided with front frame, the rear end pouch mouth of pouch is provided with after-frame, and front frame and after-frame form the import and export of pouch, are equipped with the strand guiding principle be connected with fishing boat on each pouch;
Some frameworks, framework is located between two pouches, for being connected between the front frame of the after-frame of previous pouch and a rear pouch, be provided with front and back frame opening and closing device and pouch disconnecting means and the corresponding controller of corresponding pouch on framework, a plurality of frameworks and pouch are interconnected to form the net capsule of many group series connection bag type pastes;
Front and back frame opening and closing device, be located in framework, is used to open or close corresponding front frame or after-frame;
The pouch disconnecting means, be located in framework, controls the disengaging of pouch and framework;
Controller, frame opening and closing device and pouch disconnecting means before and after also controlling for the information signal that receives the fishery harvesting quantity monitoring control platform transmission on fishing boat;
Trawlnet uses the net capsule be composed in series by a plurality of pouch headtotails, making catches that trawlnet is caught can be collected in corresponding pouch in batches and break away from the body towing with pouch is promoted on fishing boat, the catches of having caught while having solved because of long-time trawlnet push, abrade or dead even rotten problem in the net capsule, improved survival rate and the fresh and alive quality of catches, gradation is extracted and the also corresponding power that alleviates the fishing boat winch of lighter pouch.
As preferably, the outer surface of described framework, front frame and after-frame all is covered with the soft rubber layer that one deck is smooth, soft surface is smooth without corner angle, can not hook dictyosome and each head rope when catching operation and hauling, safe to use, thicker rubber layer also contributes to absorb the energy clashed into, and prevents the harm that powerful collision produces.
As preferably, the rectangular shape of described framework, comprise interconnective upper and lower moulding and left and right moulding, the medial surface of described left and right moulding is respectively equipped with guide groove, described guide groove comprises front guide slot and the rear guide groove be parallel to each other, the after-frame of previous pouch is installed in described front guide slot and can slides along front guide slot, the front frame of a rear pouch is installed in described rear guide groove and can slides along rear guide groove, described front and back frame opening and closing device and pouch disconnecting means and controller all are located in the lower moulding of framework, the front and back frame of the bootable pouch of front and back guide groove slides, the pouch mouth can be opened or closed with the need, met the job requirements that a plurality of pouches are collected successively catches and broken away from body.
As preferably, the front frame of described pouch is identical with rear frame structure, equal rectangular shapes, front frame comprises interconnective upper sheer pole and left and right vertical pole, the width of described cross bar length and described framework matches, the Collapsible structure that vertical pole is hollow, the top of vertical pole and cross tube end are affixed, the bottom of vertical pole and sheer pole end are affixed, be respectively equipped with flexible member between the both ends of upper sheer pole, one end of described flexible member is connected with the cross tube end, the other end is connected with the sheer pole end, the purse up length of the drift of flexible member and vertical pole matches, telescopic vertical pole can freely open or close the front and back frame of rectangle, correspondingly make the opening and closing of pouch mouth, flexible member can make front frame or after-frame automatically reply purse up after running out of steam, control simple and reliable.
As preferably, described vertical pole is telescopic caulking gum bellows, described rubber bellows is provided with tracheae, described tracheae is communicated with corresponding controllers, gases at high pressure enter in rubber bellows and make bellows stretch and overcome the pulling force of flexible member and front frame or after-frame are opened to sinciput by tracheae, when close gases at high pressure and the gas of releasing after, the rubber bellows retraction that automatically resets, before making under the pulling force effect of flexible member, frame merit or after-frame purse up are closed simultaneously.
As preferably, described flexible member is located in the hollow cavity of described rubber bellows.
As preferably, be provided with telescopic cylinder in described vertical pole, described telescopic cylinder is connected with corresponding controllers, telescopic cylinder promotes cross tube and moves, and front frame or after-frame are opened, and gets and while piling with pouch when catches gather, controller control telescopic cylinder resets and drives cross tube and retracts, make front frame or after-frame closure, by the sealing of pouch mouth, for the disengaging of net capsule is got ready.
As preferably, described front and back frame opening and closing device comprises as the high pressure gas holder of power source and corresponding control valve, described control valve is controlled by controller, described high pressure gas holder is communicated with corresponding rubber bellows or telescopic cylinder by control valve, front and back frame opening and closing device adopts pneumatic control, simple in structure, safe and reliable, and the power source volume is little, thrust is large, met in the specific (special) requirements of using than abyssal floor.
As preferably, described pouch disconnecting means comprises the keying plate of guide groove sidewall after the left and right moulding of being located at respectively described framework and capping, described keying plate is controlled by controller, when opening and closing plate, open, the upper side of rear guide groove is opened, the front frame of pouch that is installed in rear guide groove breaks away from guide groove, and drive pouch and framework apart, before pouch after disengaging, frame is owing to continuing the purse up closure under the retraction force effect of flexible member, pouch now is by corresponding strand guiding principle towing and reclaimed and be promoted to deck by the fishing boat winch, when opening and closing plate, close, , the guide groove side is sealed again, by keying plate to be opened/closed is set on the moulding of framework left and right, make the front frame that originally is connected to corresponding pouch in rear guide groove can under the Action of Gravity Field of pouch, break away from rear guide groove, controller is controlled and is opened and closed plate and then control pouch, make pouch can break away from successively on request body, reach the minimizing catches assembles and the accumulation time in the net capsule.
With the trawlnet live body catching method of a plurality of series connection pouches, its step is as follows:
1) controller in each framework is all set the separation time of trawl fishing towing time respective settings pouch, the front frame of a plurality of pouches and after-frame are installed in respectively in corresponding framework guide groove, and a plurality of pouches form to be end-to-end and are the net capsule of the shape of connecting and are connected to the body rear end;
2) trawlnet is put into to water, start fishing boat and trawlnet is opened start to pull fishing operation;
3) controller starts the front and back frame opening and closing device of respective frame, make gases at high pressure be filled with rubber bellows or the telescopic cylinder in vertical pole, vertical pole stretches forward and makes sheer pole separately form the pouch mouth of expansion, now, the pouch of a plurality of headtotail series connection forms the net capsule connected, and the catches of being caught by trawlnet are built up to the pouch of net capsule afterbody through a plurality of frameworks and corresponding pouch mouth;
4) controller in net capsule afterbody framework obtains fishery harvesting quantity monitor message signal from fishing boat, the pouch inner accumulated of judgement net capsule afterbody has the separation time of enough catches or afterbody pouch to arrive, now the interior controller of net capsule afterbody framework cuts out front frame and the after-frame of corresponding pouch by front and back frame opening and closing device, and front frame and after-frame return back to the purse up state under the pulling force effect of flexible member;
5) before pouch after the complete purse up closure of frame and after-frame, controller is controlled the pouch disconnecting means of afterbody framework and is opened the keying plate on the moulding of framework left and right, now, the front frame that is full of the afterbody pouch of catches breaks away from guide groove after framework, afterbody pouch and afterbody framework apart, fishing boat relies on the strand guiding principle to tow back to pouch and be promoted to deck with winch, complete the recovery operation of first pouch, simultaneously, fishing boat is readjusted towed speed, guarantee that towing is stable, do not affect fishing operation;
6) residue pouch headtotail forms new net capsule, and the catches of being caught by trawlnet are now built up to the afterbody pouch of new net capsule;
7) controller of afterbody net capsule obtains fishery harvesting quantity monitor message signal from fishing boat, judgement afterbody pouch inner accumulated has the separation time of enough catches or afterbody pouch to arrive, now the controller of afterbody net capsule cuts out corresponding front frame and after-frame by front and back frame opening and closing device, and front frame and after-frame return back to the purse up state under the pulling force effect of flexible member;
8) before pouch after the complete purse up closure of frame and after-frame, controller is controlled the pouch disconnecting means of afterbody framework and is opened the keying plate on the moulding of framework left and right, now, the front frame that is full of the pouch of catches breaks away from guide groove after framework, pouch and framework apart, fishing boat relies on the strand guiding principle to tow back to pouch and be promoted to deck with winch, complete the recovery operation of second pouch, same, fishing boat is readjusted towed speed, guarantee that towing is stable, do not affect fishing operation;
9) the like, all the other pouches can be reclaimed and extract by same mode;
10) last pouch is collected together with trawlnet.
The invention has the beneficial effects as follows: trawlnet uses the net capsule be composed in series by a plurality of pouch headtotails, making catches that trawlnet is caught can be collected in corresponding pouch in batches and break away from the body towing with pouch is promoted on fishing boat, the catches of having caught while having solved because of long-time trawlnet push, abrade or dead even rotten problem in the net capsule, improved survival rate and the fresh and alive quality of catches, gradation is extracted and the also corresponding power that alleviates the fishing boat winch of lighter pouch.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Schematic diagram when Fig. 2 is afterbody pouch closure.
Fig. 3 is that the afterbody pouch breaks away from body and the schematic diagram while collecting.
Fig. 4 is the frame structure schematic diagram in Fig. 1.
Fig. 5 is mount structure schematic diagram before the pouch in Fig. 1.
1. wings in figure, 2. body, 3. net capsule, 31. frameworks, 311. upper frame bars, 312 times mouldings, 313. left moulding, 314. right mouldings, 315. front guide slot, 316. rear guide grooves, 317. open and close plate, 32. pouches, 321. front frame, 3211. cross bars, 3212. vertical poles, 322. after-frames, 323. strand guiding principles.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: the present embodiment organize the trawlnet of pouch with serial more, for the operation that drags a net in fishing of fishing boat, as shown in Figure 1, trawlnet comprises wing 1, body 2 and net capsule 3, on wing, be connected with fishing boat, be connected drag guiding principle 11, the net capsule is installed on the body rear end and is connected with body, the net capsule comprises:
Four pouches 32, for the splendid attire catches, the pouch headtotail is connected in series in the body rear end, the front end pouch mouth of pouch is designed with front frame 321, the rear end pouch mouth of pouch is designed with after-frame 322, front frame and after-frame form the catches of pouch and import and export, and the strand guiding principle 323 be connected with fishing boat all is installed on each pouch, and the outer surface of front frame and after-frame all is covered with the soft rubber layer that one deck is smooth;
Three frameworks 31, be arranged on respectively between corresponding pouch, for being connected between the front frame of the after-frame of previous pouch and a rear pouch, front and back frame opening and closing device and pouch disconnecting means and the corresponding controller of corresponding pouch are installed on framework, a plurality of frameworks and pouch are interconnected to form the net capsule of series connection bag type paste, at the outer surface of framework, are covered with the soft rubber layer that one deck is smooth;
Front and back frame opening and closing device, be installed in framework, is used to open or close the pouch mouth;
The pouch disconnecting means, be installed in framework, controls the disengaging of pouch and body;
Controller, control the information signal of platform transmission and control front and back frame opening and closing device and pouch disconnecting means for the monitoring of the fishery harvesting quantity on timing or wireless receiving fishing boat;
As shown in Figure 4, framework is rectangular, comprise interconnective upper and lower moulding and left and right moulding, the medial surface of left and right moulding is designed with guide groove, guide groove comprises front guide slot 315 and the rear guide groove 316 be parallel to each other, the after-frame of previous pouch is installed in front guide slot and can slides along front guide slot, and the front frame of a rear pouch is installed in rear guide groove and can slides along rear guide groove, and the front and back frame opening and closing device of corresponding pouch and pouch disconnecting means and controller are installed in the lower moulding of framework, as shown in Figure 5, the front frame of pouch is identical with rear frame structure, equal rectangular shapes, front frame comprises interconnective upper sheer pole 3211 and left and right vertical pole 3212, the width of cross bar length and framework matches, vertical pole is telescopic caulking gum bellows, be designed with tracheae on rubber bellows, tracheae is communicated with corresponding controllers, vertical pole top and cross tube end are affixed, the vertical pole bottom is affixed with the sheer pole end, flexible member also is installed in the hollow cavity of rubber bellows, flexible member is spring, one end of spring is connected with the cross tube end, the other end is connected with the sheer pole end, the length when drift of spring and vertical pole purse up matches, front and back frame opening and closing device comprises high pressure gas holder and the control valve as power source, and control valve is controlled by corresponding controllers, and the gas in high pressure gas holder is communicated with corresponding rubber bellows by control valve, the pouch disconnecting means comprises the keying plate 317 of design guide groove side on the moulding of left and right and after capping, opening and closing plate is controlled and is opened or closed by controller, front frame when the length of keying plate and purse up state or the vertical pole length of after-frame match, when opening and closing the plate unlatching, the side opening of rear guide groove, before being installed in the pouch that is the purse up shape on rear guide groove, frame breaks away from rear guide groove, and drive pouch and framework apart, before pouch after disengaging, frame is because the active force of spring continues the purse up closure, pouch is now pulled and is reclaimed and carry to deck by the fishing boat winch by corresponding strand guiding principle, when opening and closing plate, close, the guide groove side is sealed again.
The trawl fishing method of organizing pouch with serial is more, at first set the trawl fishing towing time of each framework internal controller and also set respectively the separation time of corresponding pouch, the fishing operation time is decided to be 4 hours, the time that pouch is collected catches disengaging is decided to be 1 hour, four pouch separation times stagger mutually, then the front frame of four pouches is installed in respectively in the rear guide groove in respective frame, and the after-frame of first three pouch is installed in the front guide slot of associated frame members, so form the rear end that many group pouch headtotails are the net capsule of the shape of connecting and are connected in body, winch is slowly by the trawlnet submerged, starting fishing boat makes trawl board open to both sides drift drive trawlnet wing, trawlnet starts to pull fishing operation, now, the front and back frame opening and closing device of each pouch of controller opens, gas in high pressure gas holder is filled with in the rubber bellows in the frame vertical pole of front and back, promotion lower vertical bar at gas stretches the front and back pouch mouth that makes sheer pole separate the formation expansion, as shown in Figure 2, the catches of being caught by trawlnet continue to enter and accumulate in the pouch of net capsule afterbody by each framework and each pouch successively, operation was carried out after 1 hour, more catches have been collected in pouch, or according to the enough catches information that has of catch monitor supervision platform transmission, controller in net capsule afterbody framework cuts out the front frame of afterbody pouch, close the after-frame of previous pouch simultaneously, the front and back frame returns back to rapidly the purse up state under the pulling force effect of spring, when the after-frame of the front frame of afterbody pouch and previous pouch all fully after the purse up closure, controller can be controlled the pouch disconnecting means and open on the moulding of framework left and right and cover the keying plate on rear guide groove, the front frame that is full of the afterbody pouch of catches will break away from guide groove after framework, drive pouch and framework apart, as shown in Figure 3, fishing boat relies on corresponding strand guiding principle tow back to separately the pouch that is the free floating shape and be promoted to deck with winch, now, completed the recovery operation of first pouch, simultaneously, fishing boat is readjusted towed speed, guarantee that towing is stable, do not affect the continuation fishing operation, residue pouch headtotail forms new net capsule, the catches that trawlnet is caught again continue to enter and build up to the afterbody pouch by remaining each pouch, operation is carried out after 1 hour again, more catches have been collected in the afterbody pouch, the like, all the other two pouches can be reclaimed and extract by same mode, last pouch can be extracted and reclaim together with trawlnet, complete the fishing operation when time trawlnet, each framework can be retracted together with corresponding pouch, certainly, controller in each framework also can arrange radio receiver, the signal instruction that can receive in real time on fishing boat is controlled the switching of front and back frame and the disengaging of pouch, to adapt to the fishing operation under different situations.
Embodiment 2: the present embodiment 2 organize the trawlnet of pouch with serial more, comprise wing, body and net capsule, be connected with the guiding principle that drags be connected with fishing boat on wing, the net capsule is installed on the body rear end and is connected with body, telescopic cylinder all is installed in the vertical pole of frame and after-frame before pouch, telescopic cylinder is connected with corresponding controllers, when needs are opened the front frame of pouch and after-frame, controller is controlled the telescopic cylinder top and is stretched, cylinder overcomes the pulling force of the spring in vertical pole and drives the vertical pole stretching, extension, the upper sheer pole of front frame and after-frame separately forms the pouch mouth of expansion, the catches that trawlnet is caught can enter pouch and collect by framework, as need reset, controller is controlled the telescopic cylinder retraction, the drive cross tube resets, simultaneously, vertical pole is purse up under spring action, the enclosure pouches mouth, the other parts of the present embodiment 2 all with the appropriate section of embodiment 1 roughly the same, this paper repeats no more.
In description of the invention, technical term " on ", D score, " front ", " afterwards ", " left side ", " right side ", " indulge ", " horizontal stroke ", " interior ", expression directions such as " outward " or position relationship are based on direction shown in the drawings or position relationship, be only for convenience of description with understand technical scheme of the present invention, above explanation has not been done restriction to the present invention, the present invention also is not limited only to giving an example of above-mentioned explanation, the variation that those skilled in the art make in essential scope of the present invention, remodeling, increase or replace, all should be considered as protection scope of the present invention.
Claims (10)
1. a trawlnet of organizing pouch with serial more, the operation that drags a net in fishing for fishing boat, described trawlnet comprises wing (1), body (2) and net capsule (3), described wing be provided with fishing boat, be connected drag guiding principle (11), described net capsule is located at the body rear end and is connected with body, it is characterized in that: described net capsule comprises
Some pouches (32), for the splendid attire catches, a plurality of pouch headtotails are connected in series in the body rear end, the front end pouch mouth of pouch is provided with front frame (321), the rear end pouch mouth of pouch is provided with after-frame (322), front frame and after-frame form the import and export of pouch, are equipped with the strand guiding principle (323) be connected with fishing boat on each pouch;
Some frameworks (31), framework is located between two pouches, for being connected between the front frame of the after-frame of previous pouch and a rear pouch, be provided with front and back frame opening and closing device and pouch disconnecting means and the corresponding controller of corresponding pouch on framework, a plurality of frameworks and pouch are interconnected to form the net capsule of many group series connection bag type pastes;
Front and back frame opening and closing device, be located in framework, for opening and closing corresponding front frame and after-frame;
The pouch disconnecting means, be located in framework, controls the disengaging of pouch and framework;
Controller, frame opening and closing device and pouch disconnecting means before and after also controlling for the information signal that receives the fishery harvesting quantity monitoring control platform transmission on fishing boat.
2. the trawlnet of organizing pouch with serial according to claim 1, it is characterized in that: the outer surface of described framework, front frame and after-frame all is covered with the soft rubber layer that one deck is smooth more.
3. the trawlnet of organizing pouch with serial according to claim 1 and 2 more, it is characterized in that: the rectangular shape of described framework (31), comprise interconnective upper and lower moulding (311, 312) and left and right moulding (313, 314), the medial surface of described left and right moulding is respectively equipped with guide groove, described guide groove comprises front guide slot (315) and the rear guide groove (316) be parallel to each other, the after-frame of previous pouch (322) is installed in described front guide slot and can slides along front guide slot, the front frame (321) of a rear pouch is installed in described rear guide groove and can slides along rear guide groove, described front and back frame opening and closing device and pouch disconnecting means and controller all are located in the lower moulding of framework.
4. the trawlnet of organizing pouch with serial according to claim 1 and 2 more, it is characterized in that: the front frame (321) of described pouch is identical with after-frame (322) structure, equal rectangular shapes, front frame comprises interconnective upper sheer pole (3211) and left and right vertical pole (3212), the width of described cross bar length and described framework matches, the Collapsible structure that vertical pole is hollow, the top of vertical pole and cross tube end are affixed, the bottom of vertical pole and sheer pole end are affixed, also be respectively equipped with flexible member between the both ends of upper sheer pole, one end of described flexible member is connected with the cross tube end, the other end is connected with the sheer pole end, the purse up length of the drift of flexible member and vertical pole matches.
5. the trawlnet of organizing pouch with serial according to claim 4, it is characterized in that: described vertical pole (3212) is telescopic caulking gum bellows, and described rubber bellows is provided with tracheae, and described tracheae is communicated with corresponding controllers more.
6. the trawlnet of organizing pouch with serial according to claim 5, it is characterized in that: described flexible member is located in the hollow cavity of described rubber bellows more.
7. the trawlnet of organizing pouch with serial according to claim 4, it is characterized in that: described vertical pole is provided with telescopic cylinder in (3212), and described telescopic cylinder is connected with corresponding controllers more.
8. according to claim 5 or the 6 or 7 described trawlnets of organizing pouch with serial more, it is characterized in that: described front and back frame opening and closing device comprises as the high pressure gas holder of power source and corresponding control valve, described control valve is controlled by controller, and described high pressure gas holder is communicated with corresponding rubber bellows or telescopic cylinder by control valve.
9. the trawlnet of organizing pouch with serial according to claim 1 more, it is characterized in that: described pouch disconnecting means comprises the left and right moulding (313 of being located at respectively described framework, 314) the keying plate (317) of guide groove (316) sidewall and after capping, described keying plate is controlled by controller, when opening and closing plate, open, the upper side of rear guide groove is opened, the front frame of pouch that is installed in rear guide groove breaks away from guide groove, and drive pouch and framework apart, before pouch after disengaging, frame is owing to continuing the purse up closure under the retraction force effect of flexible member, pouch now is by corresponding strand guiding principle towing and reclaimed and be promoted to deck by the fishing boat winch, when opening and closing plate, close, , the guide groove side is sealed again.
Based on claim 1 organize the trawl fishing method of pouch with serial more, its step is as follows:
1) controller in each framework is all set the separation time of trawl fishing towing time corresponding distribution pouch, the front frame of a plurality of pouches and after-frame are installed in respectively in corresponding framework guide groove, and a plurality of pouches form to be end-to-end and are the net capsule of the shape of connecting and are connected to the body rear end;
2) trawlnet is put into to water, start fishing boat and trawlnet is opened start to pull fishing operation;
3) controller starts the front and back frame opening and closing device of respective frame, make gases at high pressure be filled with rubber bellows or the telescopic cylinder in vertical pole, vertical pole stretches forward and makes sheer pole separately form the pouch mouth of expansion, now, the pouch of a plurality of headtotail series connection forms the net capsule connected, and the catches of being caught by trawlnet are built up to the pouch of net capsule afterbody through a plurality of frameworks and corresponding pouch mouth;
4) controller in net capsule afterbody framework obtains fishery harvesting quantity monitor message signal from fishing boat, the pouch inner accumulated of judgement net capsule afterbody has the fixedly separation time of enough catches or afterbody pouch to arrive, now the interior controller of net capsule afterbody framework cuts out front frame and the after-frame of corresponding pouch by front and back frame opening and closing device, and front frame and after-frame return back to the purse up state under the pulling force effect of flexible member;
5) before pouch after the complete purse up closure of frame and after-frame, controller is controlled the pouch disconnecting means of afterbody framework and is opened the keying plate on the moulding of framework left and right, now, the front frame that is full of the afterbody pouch of catches breaks away from guide groove after framework, afterbody pouch and afterbody framework apart, fishing boat relies on the strand guiding principle tow back in time pouch and be promoted to deck with winch, complete the recovery operation of first pouch, simultaneously, fishing boat is readjusted towed speed, guarantee that towing is stable, do not affect fishing operation;
6) residue pouch headtotail forms new net capsule, and the catches of being caught by trawlnet are now built up to the afterbody pouch of new net capsule;
7) when having the separation time of enough catches or afterbody pouch, afterbody pouch inner accumulated arrives, now the interior controller of net capsule afterbody framework cuts out corresponding front frame and after-frame by front and back frame opening and closing device, and front frame and after-frame return back to the purse up state under the pulling force effect of flexible member;
8) before pouch after the complete purse up closure of frame and after-frame, controller is controlled the pouch disconnecting means of afterbody framework and is opened the keying plate on the moulding of framework left and right, now, the front frame that is full of the pouch of catches breaks away from guide groove after framework, pouch and framework apart, fishing boat relies on the strand guiding principle tow back in time pouch and be promoted to deck with winch, complete the recovery operation of second pouch, same, fishing boat is readjusted towed speed, guarantee that towing is stable, do not affect fishing operation;
9) the like, all the other pouches can be reclaimed and extract by same mode;
10) last pouch is collected together with trawlnet.
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| CN201310407953.5A CN103478088B (en) | 2013-09-09 | 2013-09-09 | Dragnet with a plurality of serial bags and fishing method using dragnet |
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| CN201310407953.5A CN103478088B (en) | 2013-09-09 | 2013-09-09 | Dragnet with a plurality of serial bags and fishing method using dragnet |
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| CN106386720A (en) * | 2016-06-10 | 2017-02-15 | 林力苹 | Aquatic fishing device |
| CN108609122A (en) * | 2016-12-01 | 2018-10-02 | 浙江海洋大学 | Fishing boat trawling gear |
| CN109392853A (en) * | 2018-11-19 | 2019-03-01 | 中国科学院南京地理与湖泊研究所 | Automate fish electric fishing science investigation apparatus |
| CN111972361A (en) * | 2020-09-01 | 2020-11-24 | 中国水产科学研究院南海水产研究所 | Marine nuclear power station intake shrimp interception net |
| CN112005972A (en) * | 2020-08-18 | 2020-12-01 | 浙江海洋大学 | Tortoise removing trawl net structure with camera device |
| CN112450164A (en) * | 2020-11-03 | 2021-03-09 | 中国水产科学研究院南海水产研究所 | Trawl frame capable of intelligently adjusting hauling net |
| CN112450162A (en) * | 2020-11-03 | 2021-03-09 | 中国水产科学研究院南海水产研究所 | Rectangular net bag |
| CN112956454A (en) * | 2019-09-29 | 2021-06-15 | 浙江海洋大学 | Operation method for nested separated fishing catch object and capable of falling off trawl bag |
| CN113525611A (en) * | 2021-08-19 | 2021-10-22 | 青岛智汇港创新科技有限公司 | Anti-abrasion method for trawl fishing of fishing boat |
| CN114097719A (en) * | 2021-11-08 | 2022-03-01 | 刘波 | Auxiliary net hauling device of fishing boat net hauler |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106386720A (en) * | 2016-06-10 | 2017-02-15 | 林力苹 | Aquatic fishing device |
| CN108609122A (en) * | 2016-12-01 | 2018-10-02 | 浙江海洋大学 | Fishing boat trawling gear |
| CN109392853A (en) * | 2018-11-19 | 2019-03-01 | 中国科学院南京地理与湖泊研究所 | Automate fish electric fishing science investigation apparatus |
| CN112956454A (en) * | 2019-09-29 | 2021-06-15 | 浙江海洋大学 | Operation method for nested separated fishing catch object and capable of falling off trawl bag |
| CN112956454B (en) * | 2019-09-29 | 2022-03-29 | 浙江海洋大学 | Operation method for nested separated fishing catch object and capable of falling off trawl bag |
| CN112005972A (en) * | 2020-08-18 | 2020-12-01 | 浙江海洋大学 | Tortoise removing trawl net structure with camera device |
| CN112005972B (en) * | 2020-08-18 | 2022-03-29 | 浙江海洋大学 | Tortoise removing trawl net structure with camera device |
| CN111972361A (en) * | 2020-09-01 | 2020-11-24 | 中国水产科学研究院南海水产研究所 | Marine nuclear power station intake shrimp interception net |
| CN112450164A (en) * | 2020-11-03 | 2021-03-09 | 中国水产科学研究院南海水产研究所 | Trawl frame capable of intelligently adjusting hauling net |
| CN112450162A (en) * | 2020-11-03 | 2021-03-09 | 中国水产科学研究院南海水产研究所 | Rectangular net bag |
| CN113525611A (en) * | 2021-08-19 | 2021-10-22 | 青岛智汇港创新科技有限公司 | Anti-abrasion method for trawl fishing of fishing boat |
| CN114097719A (en) * | 2021-11-08 | 2022-03-01 | 刘波 | Auxiliary net hauling device of fishing boat net hauler |
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