CN114009406A - A divide standard live fish to play catches device for large-scale fish culture box with a net - Google Patents
A divide standard live fish to play catches device for large-scale fish culture box with a net Download PDFInfo
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- CN114009406A CN114009406A CN202111322406.8A CN202111322406A CN114009406A CN 114009406 A CN114009406 A CN 114009406A CN 202111322406 A CN202111322406 A CN 202111322406A CN 114009406 A CN114009406 A CN 114009406A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K69/00—Stationary catching devices
- A01K69/06—Traps
- A01K69/08—Rigid traps, e.g. lobster pots
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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Abstract
The application discloses a split-specification live fish catching device for a large-scale fish culture net cage, which comprises a fish collecting box (1), wherein two opposite side surfaces of the fish collecting box (1) are respectively provided with a fish inlet (5) and a fish outlet (6), and the other side surface of the fish collecting box (1) is provided with a closable catching outlet (2); the fish collection box (1) is connected with two box sealing cover plates (13), and the two box sealing cover plates (13) are respectively matched with the fish inlet (5) and the fish outlet (6); the fish collecting box (1) is provided with a box sealing mechanism for locking and releasing the box sealing cover plate (13), and the box sealing mechanism is connected with a driving assembly for driving the box sealing mechanism to release the box sealing cover plate (13). The invention can realize the large and small sized fishing effect, avoid the defect of fry waste caused by the large and small fishes being captured together, and avoid the mechanical damage to the captured fishes in the fishing process and the scratch among individuals caused by the overlarge fish density, thereby not influencing the sale phase of the captured fishes.
Description
Technical Field
The invention relates to a split-specification live fish catching device for a large-scale fish culture net cage, and belongs to the field of marine culture equipment.
Background
The seawater culture from the near shore to the deep open sea is an important way for expanding the seawater culture space and promoting the sustainable development of the seawater culture industry, and is also a world consensus. In recent years, with the construction and the production of large steel structure offshore net cages such as 'deep blue No. 1', 'Dehai No. 1', 'Shayu No. 1', and the like, the deep and distant sea fish culture in China has been on an initial scale, and the deep and distant sea fish culture scale can be rapidly developed in the foreseeable future.
The water body of the deep and far sea fish culture net cage is generally tens of thousands to tens of thousands of cubic meters, and the culture production capacity usually exceeds 1000 tons or even thousands of tons. The large aquaculture water body and the corresponding fish stock in the net cage need corresponding adult fish capturing devices which are separated in batches and keep alive. The batch fishing device adopted by the large-scale steel net cage at present integrally improves the density of the cultured fishes in the cage, then adopts a vacuum type fish suction pump to fish, and recovers the fish culture density to the density before fishing after a certain amount of fishing is finished.
The method has the disadvantages that firstly, the whole box of fish needs to be concentrated every time of fishing, the fish is easy to scratch and lack of oxygen and even die due to overlarge density, and the repeated batch fishing is harmful to the uncaptured fish, thus being not beneficial to the subsequent culture after fishing; secondly, the death rate of the captured fishes is high, bloodletting cannot be performed in the processing process, the quality of finished fishes is influenced, the damage rate is high, and the selling phase of the finished fishes is influenced, so that the selling price of the finished fishes is reduced; thirdly, the method captures the big fish and the small fish together, so that the large and small fish can not be caught in different specifications, and the cultured fry is wasted; finally, the method is complex to operate, high in labor and electric power cost, high in production cost and low in production benefit.
Disclosure of Invention
The invention provides a device for catching split-specification live fishes for a large-scale fish-culturing net cage, which can realize the effect of catching split-specification fishes with large sizes and small sizes, avoid the defect of fry waste caused by catching the large fishes and the small fishes together, and avoid the mechanical damage to the caught fishes in the fishing process and the scratch among individuals caused by overlarge fish density, thereby not influencing the sale phase of the caught fishes.
The invention adopts the technical scheme that the split-specification live fish catching device for the large-scale fish culture net cage comprises a fish collecting box, wherein two opposite side surfaces of the fish collecting box are respectively provided with a fish inlet and a fish outlet, and the other side surface of the fish collecting box is provided with a closable catching outlet; the fish collecting box is connected with two box sealing cover plates which are respectively matched with the fish inlet and the fish outlet; the fish collecting box is provided with a box sealing mechanism for locking and releasing the box sealing cover plate, and the box sealing mechanism is connected with a driving assembly for driving the box sealing mechanism to release the box sealing cover plate; when the box sealing mechanism locks the box sealing cover plates, the two box sealing cover plates are respectively positioned above the fish inlet and the fish outlet; when the box sealing mechanism releases the box sealing cover plates, the two box sealing cover plates fall down and respectively seal the fish inlet and the fish outlet.
Preferably, the box sealing mechanism comprises two box sealing groups, and each box sealing group comprises a box sealing bolt, a return spring and a warping plate; the top of the fish collection box is provided with a box sealing bolt seat, a box sealing bolt penetrates through the box sealing bolt seat and is in sliding connection with the box sealing bolt seat, the tail part of the box sealing bolt is also provided with a bulge, and a return spring is positioned between the bulge at the tail part of the box sealing bolt and the box sealing bolt seat; the lower end of the box sealing cover plate is provided with a round hole matched with the top of the box sealing bolt; the fish collection box top is provided with the wane seat that sets up with the wane cooperation, and the middle section of wane rotates through pivot and wane seat to be connected, and the bellied cooperation setting of afterbody is tied with the joint sealing to the one end of wane, and the other end and the drive assembly cooperation of wane set up.
Optimized, the above-mentioned branch specification live fish that is used for large-scale fish culture box with a net plays catches device, drive assembly includes joint sealing signal hammer, joint sealing signal hammer cable, and the joint sealing signal hammer sets up on the joint sealing signal hammer cable and sets up with the tip cooperation of wane.
Optimized, the above-mentioned sub-specification live fish that is used for large-scale fish culture box with a net plays to catch device, the wane of two sealing box groups respectively with the end connection of joint sealing signal hammer cable, the joint sealing signal hammer cup joints on joint sealing signal hammer cable and slides on joint sealing signal hammer cable.
Preferably, the split-specification live fish catching device for the large-scale fish culture net cage is characterized in that sliding grooves are respectively formed in the two sides of the fish inlet and the two sides of the fish outlet, and the two sides of the cover plate of the sealing box are inserted into the sliding grooves and slide along the sliding grooves.
Preferably, the split-specification live fish catching device for the large-scale fish culture net cage is characterized in that a fish inlet grating is arranged on the fish inlet, and a fish outlet grating is arranged on the fish outlet; the fish inlet grating comprises a fish inlet grating frame and a plurality of fish inlet grating columns; the fish inlet grating columns are arranged in parallel at intervals and are arranged in the fish inlet grating frame, and the fish inlet grating frame is detachably arranged in the fish inlet; go out the fish grid including going out fish grid frame and a plurality of fish grid post, go out parallel interval between the fish grid post and set up in going out fish grid frame, go out fish grid frame detachable and set up in going out the fish mouth.
Preferably, the split-specification live fish catching device for the large-scale fish culture net cage is characterized in that the fish inlet grating columns are made of elastic materials, the cross sections, perpendicular to the length extension direction, of the fish inlet grating columns are V-shaped, and the V-shaped openings face the inside of the fish collecting box.
Preferably, in the device for catching the split-specification live fishes in the large-scale fish culture net cage, the fish collection box is a transparent acrylic glass plate at one side of the fish inlet and at one side of the fish outlet, and the rest side walls of the fish collection box are stainless steel plates; and a plurality of illuminating lamps and underwater video monitoring are arranged in the fish collection box.
Preferably, the split-specification live fish catching device for the large-scale fish culture net cage further comprises a fish-luring bait throwing mechanism; the fish bait throwing mechanism comprises a main bait throwing pipe, an in-box bait throwing pipe and an out-box bait throwing pipe; one end of the bait casting pipe in the fish collection box is connected with the main bait casting pipe, and the other end of the bait casting pipe in the fish collection box is arranged in the fish collection box; one end of the outside-box bait casting pipe is connected with the main bait casting pipe, and the other end of the outside-box bait casting pipe is arranged outside the fish collecting box.
Preferably, the divided-specification live fish catching device for the large-scale fish culture net cage is characterized in that the main bait casting pipe is connected with a bait casting change-over valve, and two outlets of the bait casting change-over valve are respectively connected with the end part of the bait casting pipe in the cage and the end part of the bait casting pipe outside the cage; the bait casting conversion valve opens and closes the bait casting pipes in the box and the bait casting pipes outside the box according to a certain time interval, and the time interval of opening the bait casting pipes in the box and the time interval of opening the bait casting pipes outside the box of the bait casting conversion valve are arranged in a crossed mode.
The application has the advantages that:
(1) the automatic catching device can realize the large and small catch type sub-specification fishing effect, and avoids the defect of fry waste caused by the catching of large and small fishes.
According to the automatic fishing device, bait is thrown in the box to attract fish shoals to enter the fish collecting box, the V-shaped structure with the flick type one-way opening at the fish inlet can attract all the fishes of the specification to enter the fish collecting box, then the bait throwing conversion valve is adjusted to close the bait throwing in the box, the bait throwing outside the box is opened to attract the fish shoals to leave the fish collecting box, the opening distance of the grating at the fish outlet is adjusted to ensure that the fishes of the small specification leave the fish collecting box, and the fishes of the large specification are left in the fish collecting box, so that the large-size and small-size sub-specification fishing effect is achieved.
(2) The automatic catching device does not damage the small uncaptured fish and does not influence the subsequent culture of the small uncaptured fish.
The automatic catching device of the invention induces the fish to enter the fish catching box by feeding the bait in the box, and induces the small-sized fish to leave the fish catching box by feeding the bait outside the box, so that the small fish which is not caught leaves the fish catching box by self-swimming, the small fish which is not caught cannot be damaged, and the subsequent culture of the small fish which is not caught cannot be influenced.
(3) The automatic catching device of the invention can avoid mechanical damage to the caught fish during the fishing process and scratches among individuals caused by excessive fish density, thereby not affecting the sale phase of the caught fish.
In the fishing process, bait is thrown in the fishing box to attract fish to enter the fishing box, bait is thrown outside the fishing box to attract small-sized fish to leave the fishing box, the fish enters and exits the fishing box through the independent swimming of the fish, the mechanical damage caused by the fact that the fish are forced to be passively clustered by using a fish suction pump is avoided, the fish are prevented from being mutually scratched among individual caught fish, and therefore the sale phase of the caught fish is improved.
(4) The automatic catching device can ensure that the caught fish are all live fish, is favorable for bleeding of the caught fish in subsequent processing, and improves the processing quality of the caught fish.
In the process of catching the fish by the automatic fishing device, the fish enters and exits the fishing box and is automatically finished in an in-situ water layer where the fish live, after fish groups in the fishing box reach a certain density, the fishing box is closed by releasing the box sealing cover plate, the caught fish and the in-situ water are lifted to a net cage deck, and the fish catching is finished.
(5) The automatic catching device of the invention catches more adult fishes at one time, and improves the fishing speed and fishing efficiency.
The automatic fishing device comprises a fishing box, a fishing rod and the like. .
Drawings
FIG. 1 is a schematic structural view of the cover plate of the enclosure of the present application when raised;
FIG. 2 is a schematic structural view of the cover plate of the box sealing device after falling down;
FIG. 3 is a schematic structural view of a fish inlet grille in example 1 of the present application;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic structural view of a fish outlet grill according to embodiment 1 of the present application;
FIG. 6 is a schematic structural diagram of a box sealing mechanism when a box sealing signal hammer falls in the present application;
FIG. 7 is a schematic structural diagram of a box sealing mechanism after a box sealing signal hammer falls in the present application;
FIG. 8 is a schematic structural view of a fish inlet grille in embodiment 2 of the present application;
fig. 9 is an enlarged view of fig. 8 at B.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
The invention relates to a split-specification live fish catching device for a large-scale fish culture cage, which comprises a fish collecting box (1), wherein two opposite side surfaces of the fish collecting box (1) are respectively provided with a fish inlet (5) and a fish outlet (6), and the other side surface of the fish collecting box (1) is provided with a closable catching outlet (2); the fish collection box (1) is connected with two box sealing cover plates (13), and the two box sealing cover plates (13) are respectively matched with the fish inlet (5) and the fish outlet (6); a box sealing mechanism for locking and releasing the box sealing cover plate (13) is arranged on the fish collecting box (1), and the box sealing mechanism is connected with a driving assembly for driving the box sealing mechanism to release the box sealing cover plate (13); when the box sealing mechanism locks the box sealing cover plates (13), the two box sealing cover plates (13) are respectively positioned above the fish inlet (5) and the fish outlet (6); when the box sealing mechanism releases the box sealing cover plates (13), the two box sealing cover plates (13) fall down and respectively seal the fish inlet (5) and the fish outlet (6). Sliding grooves are respectively formed in the two sides of the fish inlet (5) and the two sides of the fish outlet (6), and the two sides of the box sealing cover plate (13) are inserted into the sliding grooves and slide along the sliding grooves.
According to the technical scheme, after the fish is introduced into the fish collection box (1), the two box sealing cover plates (13) can be released underwater, after the box sealing cover plates (13) are released, the box sealing cover plates can seal the fish inlet (5) and the fish outlet (6), and then the whole fish collection box (1) is pulled out to a net cage deck through hoisting equipment. So in the fishing process, the fish business turn over collection fish case (1) is independently accomplished at the normal position water layer that fish lived, after the shoal of fish reaches certain density in collection fish case (1), seal collection fish case (1) through release joint sealing apron (13), will catch the fish and promote to the net cage deck together with normal position water, accomplish the fishing, whole fishing process is the operation with water, and catch the fish and live in normal position water all the time, it is dead to avoid catching the fish that fish case promotion process upper strata high-temperature water leads to when fishing in the water that has the thermocline, ensure to catch the fish and be live fish, be favorable to catching the bloodletting of fish in the follow-up course of working, thereby improve the processingquality who catches the fish.
And this application seals collection fish case (1) back through joint sealing apron (13), pulls out whole collection fish case (1) from the aquatic, compares with the mode that uses the fish pump to directly inhale other spaces in box with a net deck with the fish from aquaculture net case among the prior art, and the scheme of this application can avoid the damage that the fish pump caused the fish, and the fish that keeps catching has better outward appearance article looks.
The box sealing mechanism comprises two box sealing groups, wherein each box sealing group comprises a box sealing bolt (14), a return spring (15) and a warping plate (20); the top of the fish collection box (1) is provided with a box sealing bolt seat, a box sealing bolt (14) penetrates through the box sealing bolt seat and is in sliding connection with the box sealing bolt seat, the tail part of the box sealing bolt (14) is also provided with a bulge, and a return spring (15) is positioned between the bulge at the tail part of the box sealing bolt (14) and the box sealing bolt seat; the lower end of the box sealing cover plate (13) is provided with a round hole matched with the top of the box sealing bolt (14); the fish collection box (1) top is provided with seesaw seat (16) that set up with seesaw (20) cooperation, and the middle section of seesaw (20) is rotated through pivot and seesaw seat (16) and is connected, and the bellied cooperation setting of one end and joint sealing bolt (14) afterbody of seesaw (20), the other end and the drive assembly cooperation setting of seesaw (20).
The driving assembly comprises a box sealing signal hammer (17) and a box sealing signal hammer cable (18), wherein the box sealing signal hammer (17) is arranged on the box sealing signal hammer cable (18) and is matched with the end part of a warping plate (20).
In the scheme of this application, push up in the protruding department of joint sealing bolt (14) afterbody through wane (20) for joint sealing bolt (14) top is pegged graft in the round hole of joint sealing apron (13), keeps joint sealing apron (13) to be located into fish mouth (5), go out the top of fish mouth (6), makes into fish mouth (5), goes out fish mouth (6) and opens. After the fish gathering is accomplished, put sealing signal hammer (17) and fall, sealing signal hammer (17) fall in the tip of wane (20) through the guide of sealing signal hammer cable (18) for wane (20) rotate and break away from the contact of tieing (14) with the sealing, sealing tie (14) break away from the round hole of sealing apron (13) under return spring's (15) thrust effect, sealing apron (13) fall and seal into fish mouth (5), play fish mouth (6) under the effect of gravity. The whole process is carried out by adopting a pure machine driving mode, the convenience of electric driving is abandoned, but the failure rate can be reduced by the scheme of the application for the environment in seawater, the whole process is ensured to be carried out smoothly, and therefore the efficiency of catching the fishes in the net cage is ensured.
The wanes (20) of two case sealing groups respectively with the end connection of case sealing semaphore cable (18), case sealing semaphore (17) cup joint on case sealing semaphore cable (18) and slide on case sealing semaphore cable (18).
In this application, the tip of joint sealing semaphore cable (18) can be connected in the tip of wane (20), when joint sealing bolt (14) fixed locking joint sealing apron (13), through pulling joint sealing semaphore cable (18) and keeping certain pulling force to the direction of keeping away from fish-collecting box (1), and set up stop gear on wane (20), prevent that wane (20) from rotating under the pulling force effect of joint sealing semaphore cable (18), can keep wane (20) position like this and make it and joint sealing bolt (14) contact, thereby prevent to fall in-process wane (20) at fish-collecting box (1) and because of rivers influence malfunction, keep two joint sealing apron (13) to be located into fish hatchway (5), go out the top of fish hatchway (6).
A fish inlet grating (7) is arranged on the fish inlet (5), and a fish outlet grating (8) is arranged on the fish outlet (6); the fish inlet grating (7) comprises a fish inlet grating frame (71) and a plurality of fish inlet grating columns (72); the fish inlet grating columns (72) are arranged in parallel at intervals and are arranged in the fish inlet grating frame (71), and the fish inlet grating frame (71) is detachably arranged in the fish inlet (5); go out fish grid (8) including going out fish grid frame (81) and a plurality of fish grid post (82), go out parallel interval between fish grid post (82) and set up in going out fish grid frame (81), go out fish grid frame (81) detachable and set up in going out fish mouth (6).
In this application, according to the volume requirement of the fish that needs caught, can change the fish grid (7), play fish grid (8) of advancing of different specifications, go out fish grid (8) and can restrict the specification size of the fish that swims out from a fish mouth (6), what when realizing fishing is held up and is put down.
The fish inlet grid column (72) is formed by elastic materials, the section of the fish inlet grid column (72) perpendicular to the length extension direction of the fish inlet grid column is V-shaped, and the V-shaped opening direction faces the inside of the fish collecting box (1).
In this application, because the luring of bait, the great fish of volume can be followed into fish collection case (1) in fish inlet (5). When a large fish passes through the fish inlet grid columns (72), the openings of the two adjacent fish inlet grid columns (72) can be enlarged by the force of the big fish when the big fish moves because the fish inlet grid columns (72) are V-shaped and made of elastic materials, so that the big fish can enter the fish. However, the V-shaped opening direction faces the inside of the fish collection box (1), so that the big fish can be limited by two adjacent fish inlet grid columns (72) when moving out from the fish inlet (5), and the larger the swimming force is, the larger the distance between the two adjacent fish inlet grid columns (72) is closed under the impact force, so that the big fish cannot move out from the fish inlet (5).
The fish collecting box (1) is positioned on one side of the fish inlet (5) and one side of the fish outlet (6) and is a transparent acrylic glass plate, and the rest side walls of the fish collecting box (1) are stainless steel plates; the fish collecting box (1) is internally provided with a plurality of illuminating lamps (3) and an underwater video monitor (4).
The transparent plate is used as the material of the fish inlet (5) and the fish outlet (6), so that the fish can be transmitted, and when the illuminating lamp (3) is used, the fish can swim into the fish collecting box (1) under the attraction of light.
The split-specification living fish catching device further comprises a fish luring bait throwing mechanism; the fish bait throwing mechanism comprises a main bait throwing pipe (9), an in-box bait throwing pipe (11) and an out-box bait throwing pipe (12); one end of the in-box bait casting pipe (11) is connected with the main bait casting pipe (9) and the other end is arranged in the fish collection box (1); one end of the outside-box bait casting pipe (12) is connected with the main bait casting pipe (9) and the other end is arranged outside the fish collecting box (1).
The main bait casting pipe (9) is connected with a bait casting conversion valve (10), and two outlets of the bait casting conversion valve (10) are respectively connected with the end part of the bait casting pipe (11) in the box and the end part of the bait casting pipe (12) outside the box; the bait casting conversion valve (10) opens and closes the in-box bait casting pipes (11) and the out-box bait casting pipes (12) according to a certain time interval, and the time interval of opening the in-box bait casting pipes (11) and the time interval of opening the out-box bait casting pipes (12) of the bait casting conversion valve (10) are arranged in a crossed mode.
In the scheme of this application, the fishing process is through throwing bait and luring fish entering fishing case in collection fish box (1) through incasement throwing bait pipe (11), then throws bait through case outside throwing bait pipe (12) and lures small dimension fish to leave fishing case, and the fish business turn over fishing case is all accomplished through the autonomic swimming of fish, avoids using the method of fish suction pump to force the mechanical damage that the passive cluster of fish caused and catch each other scotch between the fish individual to improve the sale looks of catching the fish.
The working process of the sub-scale live fish catching device of the embodiment is as follows:
when fishing is needed, before the fish collection box (1) is placed into the net box, lifting type box sealing cover plates (13) on two sides of the fish collection box (1) are lifted on a deck of the net box, a box sealing bolt (14) is adjusted to enable a return spring (15) to be in a compressed state, a warping plate (20) connected to a warping plate seat (16) is utilized to prop against the tail end of the box sealing bolt (14), the box sealing cover plates (13) are enabled to be in a lifted state and located above a fish inlet (5) and a fish outlet (6), and the fish collection box (1) is in an open state.
The box sealing signal hammer (17) is positioned at the top end of a box sealing signal hammer cable (18), and the box sealing signal hammer (17) is left on a net cage deck to be released. The specification of planned fishing is determined according to the individual size of fishes in the net cage, and the distance between the mounting openings is slightly smaller than the fish outlet grating (8) of the planned fishing body width. And (3) starting the illuminating lamp (3) and the underwater video monitoring device (4), and closing the fish outlet (2) for capturing fish.
The fishing device is thrown into a net cage by utilizing a hoisting facility, feed is conveyed to a fish collection box (1) through a main bait throwing pipe (9), firstly, a bait throwing change-over valve (10) is switched to a state that an in-box bait throwing pipe (11) is opened and an out-box bait throwing pipe (12) is closed, bait is thrown into the fish collection box (1), fish is attracted into the fish collection box (1), the fish population density in the fish collection box (1) is observed through an underwater video monitor (4), when the fish population reaches a certain density, the bait throwing change-over valve (10) is switched to a state that the out-box bait throwing pipe (12) is opened and the in-box bait throwing pipe (11) is closed, at the moment, small-sized fish in the fish collection box (1) are attracted to the outside of the fish collection box (1) through a fish outlet grating (8), and large-sized fish cannot stay in the fish collection box (1) through the fish outlet grating (8). Through switching the bait casting conversion valve (10), alternately opening the bait casting pipes (11) in the fish collection box and the bait casting pipes (12) outside the fish collection box, fish schools in the fish collection box (1) reach certain density through a plurality of fish feeding and discharging processes, and fish collection is completed.
As shown in fig. 2, after fish collection is completed, the box sealing signal hammer (17) is released from the net cage deck, the box sealing signal hammer (17) falls along a box sealing signal hammer cable (18), the wane type box sealing bolt fixing base (16) is flicked under the action of gravity, the return spring (15) is released, the box sealing bolt (14) is opened, the two lifting type box sealing cover plates (13) on two sides fall under the action of the gravity of the box sealing cover plates, the captured fish and the in-situ water are sealed in the fish collection box (1), the device is lifted to the net cage deck by utilizing a lifting facility, a fish outlet (2) for capturing the fish is opened, the captured fish is discharged, and the fish is caught, and the fish catching is completed.
Example 2
This example differs from example 1 in that: the section of the fish inlet grid column (72) perpendicular to the length extension direction is V-shaped, and the V-shaped opening direction faces the inside of the fish collection box (1); the two ends of the fish inlet grating column (72) are respectively provided with a rotating shaft, the rotating shafts are provided with torsion springs, the rotating shafts at the two ends of the fish inlet grating column (72) are rotatably connected with the fish inlet grating frame (71), and the two ends of the torsion springs are respectively contacted with the fish inlet grating column (72) and the fish inlet grating frame (71).
In the embodiment, due to the attraction of the bait, the fish with larger volume can enter the fish collecting box (1) from the fish inlet (5). When a fish with a large volume passes between two adjacent fish inlet grid columns (72), the two adjacent fish inlet grid columns (72) rotate in opposite directions, so that the gap between the two adjacent fish inlet grid columns (72) is increased, and a large fish can enter the fish. After the big fish passes through, the two adjacent fish inlet grid columns (72) rotate under the action of the torsion spring, and the gap between the two adjacent fish inlet grid columns (72) is kept. When the big fish swim out from two adjacent fish inlet grid columns (72), because the V-shaped opening direction faces the inside of the fish collection box (1), the two adjacent fish inlet grid columns (72) rotate relatively under the action of the impact force of the floating of the big fish, so that the gap is smaller, and the big fish is prevented from swimming out from the fish inlet (5).
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (10)
1. A split-specification live fish catching device for a large-scale fish culture net cage comprises a fish collecting box (1), wherein two opposite side surfaces of the fish collecting box (1) are respectively provided with a fish inlet (5) and a fish outlet (6); the method is characterized in that: the fish collection box (1) is connected with two box sealing cover plates (13), and the two box sealing cover plates (13) are respectively matched with the fish inlet (5) and the fish outlet (6); a box sealing mechanism for locking and releasing the box sealing cover plate (13) is arranged on the fish collecting box (1), and the box sealing mechanism is connected with a driving assembly for driving the box sealing mechanism to release the box sealing cover plate (13); when the box sealing mechanism locks the box sealing cover plates (13), the two box sealing cover plates (13) are respectively positioned above the fish inlet (5) and the fish outlet (6); when the box sealing mechanism releases the box sealing cover plates (13), the two box sealing cover plates (13) fall down and respectively seal the fish inlet (5) and the fish outlet (6).
2. The split-gauge live fish catching device for large-scale fish cages according to claim 1, wherein: the box sealing mechanism comprises two box sealing groups, wherein each box sealing group comprises a box sealing bolt (14), a return spring (15) and a warping plate (20); the top of the fish collection box (1) is provided with a box sealing bolt seat, a box sealing bolt (14) penetrates through the box sealing bolt seat and is in sliding connection with the box sealing bolt seat, the tail part of the box sealing bolt (14) is also provided with a bulge, and a return spring (15) is positioned between the bulge at the tail part of the box sealing bolt (14) and the box sealing bolt seat; the lower end of the box sealing cover plate (13) is provided with a round hole matched with the top of the box sealing bolt (14); the fish collection box (1) top is provided with seesaw seat (16) that set up with seesaw (20) cooperation, and the middle section of seesaw (20) is rotated through pivot and seesaw seat (16) and is connected, and the bellied cooperation setting of one end and joint sealing bolt (14) afterbody of seesaw (20), the other end and the drive assembly cooperation setting of seesaw (20).
3. The split-gauge live fish catching device for large-scale fish cages according to claim 2, wherein: the driving assembly comprises a box sealing signal hammer (17) and a box sealing signal hammer cable (18), wherein the box sealing signal hammer (17) is arranged on the box sealing signal hammer cable (18) and is matched with the end part of a warping plate (20).
4. The split-gauge live fish catching device for large-scale fish cages according to claim 3, wherein: the wanes (20) of two case sealing groups respectively with the end connection of case sealing semaphore cable (18), case sealing semaphore (17) cup joint on case sealing semaphore cable (18) and slide on case sealing semaphore cable (18).
5. The split-gauge live fish catching device for large-scale fish cages according to claim 1, wherein: sliding grooves are respectively formed in the two sides of the fish inlet (5) and the two sides of the fish outlet (6), and the two sides of the box sealing cover plate (13) are inserted into the sliding grooves and slide along the sliding grooves.
6. The split-gauge live fish catching device for large-scale fish cages according to claim 1, wherein: a fish inlet grating (7) is arranged on the fish inlet (5), and a fish outlet grating (8) is arranged on the fish outlet (6); the fish inlet grating (7) comprises a fish inlet grating frame (71) and a plurality of fish inlet grating columns (72); the fish inlet grating columns (72) are arranged in parallel at intervals and are arranged in the fish inlet grating frame (71), and the fish inlet grating frame (71) is detachably arranged in the fish inlet (5); go out fish grid (8) including going out fish grid frame (81) and a plurality of fish grid post (82), go out parallel interval between fish grid post (82) and set up in going out fish grid frame (81), go out fish grid frame (81) detachable and set up in going out fish mouth (6).
7. The split-gauge live fish catching device for large-scale fish cages according to claim 6, wherein: the fish inlet grid column (72) is formed by elastic materials, the section of the fish inlet grid column (72) perpendicular to the length extension direction of the fish inlet grid column is V-shaped, and the V-shaped opening direction faces the inside of the fish collecting box (1).
8. The split-gauge live fish catching device for large-scale fish cages according to claim 1, wherein: the fish collecting box (1) is positioned on one side of the fish inlet (5) and one side of the fish outlet (6) and is a transparent acrylic glass plate, and the rest side walls of the fish collecting box (1) are stainless steel plates; the fish collecting box (1) is internally provided with a plurality of illuminating lamps (3) and an underwater video monitor (4).
9. The split-gauge live fish catching device for large-scale fish cages according to claim 1, wherein: also comprises a fish-luring bait throwing mechanism; the fish bait throwing mechanism comprises a main bait throwing pipe (9), an in-box bait throwing pipe (11) and an out-box bait throwing pipe (12); one end of the in-box bait casting pipe (11) is connected with the main bait casting pipe (9) and the other end is arranged in the fish collection box (1); one end of the outside-box bait casting pipe (12) is connected with the main bait casting pipe (9) and the other end is arranged outside the fish collecting box (1).
10. The split-gauge live fish catching device for large-scale fish cages according to claim 9, wherein: the main bait casting pipe (9) is connected with a bait casting conversion valve (10), and two outlets of the bait casting conversion valve (10) are respectively connected with the end part of the bait casting pipe (11) in the box and the end part of the bait casting pipe (12) outside the box; the bait casting conversion valve (10) opens and closes the in-box bait casting pipes (11) and the out-box bait casting pipes (12) according to a certain time interval, and the time interval of opening the in-box bait casting pipes (11) and the time interval of opening the out-box bait casting pipes (12) of the bait casting conversion valve (10) are arranged in a crossed mode.
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| CN202111322406.8A CN114009406B (en) | 2021-11-09 | 2021-11-09 | A divide standard live fish to play and catch device for large-scale fish culture box with a net |
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| CN115443952A (en) * | 2022-10-27 | 2022-12-09 | 中国海洋大学 | Deepwater fishing device and fish inlet device thereof |
| CN115500299A (en) * | 2022-10-20 | 2022-12-23 | 中国水产科学研究院渔业机械仪器研究所 | Fish leaking and draining structure of bottom row of cultivation worker ship |
| CN115720878A (en) * | 2022-11-17 | 2023-03-03 | 中国水产科学研究院渔业机械仪器研究所 | Batch grading catching device for large-scale net cage cultured fishes and using method |
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| CN109479837A (en) * | 2018-10-17 | 2019-03-19 | 曹丽美 | A kind of intelligence underwater robot |
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| CN201640216U (en) * | 2010-05-06 | 2010-11-24 | 沈家政 | Aquatic animal fishing device |
| CN109479838A (en) * | 2018-10-17 | 2019-03-19 | 曹丽美 | A kind of underwater fishing device and its fishing method based on Internet of Things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115500299A (en) * | 2022-10-20 | 2022-12-23 | 中国水产科学研究院渔业机械仪器研究所 | Fish leaking and draining structure of bottom row of cultivation worker ship |
| CN115500299B (en) * | 2022-10-20 | 2023-09-26 | 中国水产科学研究院渔业机械仪器研究所 | Fish leakage drainage structure of bottom row of aquaculture worker |
| CN115443952A (en) * | 2022-10-27 | 2022-12-09 | 中国海洋大学 | Deepwater fishing device and fish inlet device thereof |
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| CN115720878A (en) * | 2022-11-17 | 2023-03-03 | 中国水产科学研究院渔业机械仪器研究所 | Batch grading catching device for large-scale net cage cultured fishes and using method |
| CN115720878B (en) * | 2022-11-17 | 2023-09-08 | 中国水产科学研究院渔业机械仪器研究所 | Batch grading catching device for large-scale cage cultured fishes and using method |
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| CN114009406B (en) | 2022-07-26 |
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