CN107743930A - A kind of high density use in fish breeding plays device for catching and its plays method for catching - Google Patents

Abstract

The invention discloses a kind of high density use in fish breeding to play device for catching, including lift net, hauling power section, four corners for wherein lifting net are provided with support bar, draw in the net to restrict, every support bar top is fixed with pulley, four are drawn in the net rope around being connected after corresponding fixed pulley with hauling power section, lift is connected with the cuboid net cage of a both ends open on the net and both are connected, that end away from lift net on cuboid net cage is fixed with the mesh screen of adjustable mesh size, in remote net cage and is placed with rocket aerator apart from the double-deck 1.5m of mesh screen 0.8 position.In addition the present invention effectively reduces cost of labor, and fishing efficiency is good, is especially suitable for high density（10,000 jin or so of per mu yield）The place of multiple stocking and multiple fishing, because damage is small.

Description

A kind of high density use in fish breeding plays device for catching and its plays method for catching

Technical field

Device for catching is played the present invention relates to a kind of high density use in fish breeding and its plays method for catching, belongs to aquaculture equipment neck Domain.

Background technology

With pushing forward comprehensively for live fish dispatching business, the technology such as the fishing of its live fish, grain bin are supported, transport becomes professional people in the industry The problem of scholar's primary study.Original traditional catching method for having injury to fish body has all been eliminated, and the substitute is each Class damages a small device for catching to fish, realizes fishing by attracting mode, lift net is exactly a kind of mode therein.Lifting net fishing is The heavy net of lift net extraction is arranged on fishing waters, by lamp light trapping, bait concentrate trapping, again rapid hauling fish pocket in net It is interior, to reach fishing purpose.

CN201611002210X discloses a kind of automatic fishing and subregion collects the lift net formula fishing gear of fish shrimp crab, the fishing gear Including lift net, hauling device, the collection cage for being arranged on underwater, set No.1 between the lift net middle part and collection cage and cross fish and lead to Road, the import and export that the No.1 crosses fish passage are equipped with inverted beard towards collection cage, the hauling in the presence of hauling device, lift Catches in net cross fish passage automatically into collection cage through No.1, without can manually complete hauling and collect the work of catches Make, save the time and cost of labor is low.But this fishing gear can capture when fishing together with the fish of plurality of specifications, receive Collect and also need to people after collection cage and pick out those fishes for not meeting listing specification by hand, it is not only troublesome in poeration, and to fish Damage is big, in addition, the process that this fishing gear enters collection cage from lift net belongs to passive, the stress reaction of fish is big, and fishing comes up The fish time-to-live do not grow, survival rate is not high, is not suitable for remote transportation of live fish.

The content of the invention

For above-mentioned the shortcomings of the prior art, it is an object of the invention to provide a kind of structure design it is more reasonable, catch Drag for the good high density use in fish breeding of effect and play device for catching, it catches the fish time-to-live length come up.

To achieve the above object, one of the technical solution adopted by the present invention is：High density use in fish breeding plays device for catching, bag Lift net, hauling power section are included, wherein four corners for lifting net are provided with support bar, draw in the net to restrict, every support bar top is fixed There is pulley, four are drawn in the net rope around being connected after corresponding fixed pulley with hauling power section, it is characterised in that lift is connected with the net The cuboid net cage of one both ends open and both be connected, to be fixed with adjustable mesh big for that end away from lift net on cuboid net cage Small mesh screen, in remote net cage and it is placed with rocket aerator apart from double-deck mesh screen 0.8-1.5m position.

Above-mentioned four support bars are designed to that two high two is low, and two high-end support bars are away from bank, two supports of low side For bar close to bank, cuboid net cage is connected to that side of the online corresponding support bar in low side of lift.This design can when drawing in the net, Allow the fish lifted in net to concentrate to go to the trip of cuboid net cage, be the equal of the effect being oriented to fish.

Center in above-mentioned four corners of lift net between each two corner is also equipped with support bar and draws in the net to restrict, support bar top Portion is equally also fixed with pulley, draws in the net rope around being connected after corresponding fixed pulley with hauling power section, wherein positioned at high-end Two support bars and that root support bar between the two are in sustained height, form high-end support bar；Positioned at the two of low side Root support bar and that root support bar between the two are in sustained height, form low side support bar；And remaining support bar Highly it is between the height of high-end support bar and the height of low side support bar, forms middle studdle.The design can make lift net In harvesting, gentle slope shape is formed, mitigates the stress reaction of fish as far as possible on the premise of fish are concentrated, effectively improves survival rate And the time-to-live.

The mesh screen of above-mentioned adjustable mesh size includes housing and two layers of stainless steel mesh of the regular distribution of mesh, wherein One layer of screen cloth is mounted and fixed on housing inwall, forms gravity flow screen stratum reticulare；An annular mounting groove is provided with housing inwall, separately The periphery of one layer of screen cloth is fixed with frame sliding block, and frame sliding block is caught in annular mounting groove, composition activity screen layer；Movable screen cloth Multiple first dowel holes are provided with the frame sliding block of layer, similarly, are provided with housing on corresponding first dowel hole position Second dowel hole, inserted with same alignment pin on the first corresponding dowel hole, the second dowel hole；Movable screen cloth Center is fixed with action bars, and that end on action bars between two layer screen net is outwardly formed annular protrusion, accordingly, in fixation The screen cloth center of screen layer is fixed with sleeve, and it is raised that the sleeve being engaged with annular protrusion is designed with sleeve lining.Before use, The mesh that two layers of stainless steel mesh is adjusted by action bars overlaps situation（The specification size of the fish passed through can be controlled）, to adapt to In the specification to be caught listing fish, then action bars is inserted in sleeve and two projections are mutually spacing, while adds alignment pin Positioning is fixed, so that two layers of screen cloth is fixed, it is possible to use.

The mesh screen of above-mentioned adjustable mesh size includes first layer mesh screen, wherein second layer mesh screen, first layer mesh screen, the second layer Mesh screen is made up of housing and screen cloth, the regular distribution of the screen cloth on screen cloth and screen cloth periphery is embedded and be fixed on housing, The housing of the first layer mesh screen simultaneously rotatable engagement nested with the outer in-out-snap of second layer mesh screen.By rotating second layer mesh screen Housing, situation is overlapped with the mesh of two layers of screen cloth of regulation, realizes the big minor adjustment of mesh, to be adapted to the rule to be caught listing fish Lattice.

Above-mentioned hauling power section includes motor, frame, winding wheel shaft, and wherein motor passes through driving belt and winding wheel shaft Transmission, winding wheel shaft is arranged and fixes the reel of large, medium and small three kinds of format diameters, and limited location plate between three reels Separate, wherein the rope that draws in the net on three high-end support bars is fixed and is wound on big reel, two branch positioned at centre The rope that draws in the net on strut is fixed and is wound on middle reel, and the drawing in the net rope on three support bars of low side is fixed and is wound on small On reel.

The two of the technical solution adopted by the present invention are：High density use in fish breeding plays method for catching, it is characterised in that including such as Lower step：

（1）The high density use in fish breeding that the present invention is just built when establishing culturing pool plays device for catching, during making, by net cage and lift Net support is connected using slide fastener, conveniently net cage and lift net disengagement during fishing, and periodically feeds bait in lift net position；

（2）First while open rocket aerator to bait is fed at lift net during harvesting, when the shoal of fish lift assemble at net when, start Hauling power section, eight are drawn in the net to restrict by the reel pulling of large, medium and small three kinds of specifications, and four corners netted are lifted so as to drive And the center of each two corner rises from water in four corners, until reaching at pulley, stop hauling power section, this When, lift sieve bottom forms gentle slope shape, and fishnet lift sieve bottom lower is gathered, and is gone to the trip of rocket aerator, due to adjustable mesh The presence of the mesh screen of size, the fish for meeting Catchable size are trapped within net cage, and the fish less than Catchable size then passes screen cloth, Stay in culturing pool；After net cage assembles the fish of certain quantity of the catch, stopping feeds bait, and seals net cage and lift net with screen cloth Connectivity part, net cage is picked up, the fish in net cage is poured into live fish transfer car(buggy), transport, sale.

Compared with prior art, the beneficial effect that possesses of the present invention is：Device for catching is played using the present invention, in rocket aerator In the presence of, cultured fishes are independently swum at mesh screen, and the fish for meeting Catchable size is stayed in net cage by mesh screen obstruction, and is less than and is caught Fish migration from mesh screen of specification is dragged for, is stayed in culturing pool, realizes and independently isolates the fish for not meeting listing specification, operation letter It is single, and the stress reaction of fish is small, to fish almost not damaged, survival rate and the time-to-live of fishing fish are effectively increased, is remote Distance transport provides guarantee, and the present invention effectively reduces cost of labor in addition, and fishing efficiency is good, is especially suitable for high density（Mu Produce 10,000 jin or so）The place of multiple stocking and multiple fishing, because damage is small.

Brief description of the drawings

Fig. 1 is the structural representation of the present invention

Fig. 2 is the mesh screen structure sectional view in the embodiment of the present invention one

Fig. 3 is the mesh screen structure top view in the embodiment of the present invention one

Fig. 4 is the mesh screen structure sectional view in the embodiment of the present invention two

Fig. 5 is the mesh screen structure top view in the embodiment of the present invention two

Wherein, 1, lift net, 2, hauling power section, 2.1, motor, 2.2, frame, 2.3, winding wheel shaft, 2.4, big reel, 2.5th, middle reel, 2.6, small reel, 3, net cage, 4, mesh screen, 4.1, housing, 4.2, screen cloth, 4.21, gravity flow screen stratum reticulare, 4.22nd, movable screen layer, 4.3, frame sliding block, 4.4, alignment pin, 4.5, action bars, 4.6, annular protrusion, 4.7, sleeve, 4.8, First layer mesh screen, 4.9, second layer mesh screen, 5, rocket aerator, 6, support bar, 6.1, No.1 support bar, 6.2, No. two supports Bar, 6.3, No. three support bars, 6.4, No. four support bars, 6.5, No. five support bars, 6.6, No. six support bars, 6.7, No. seven supports Bar, 6.8, No. eight support bars, 7, draw in the net to restrict, 8, fixed pulley.

Embodiment

Presently in connection with drawings and Examples, the invention will be further described.Obviously, it is impossible to therefore limit the present invention to Among described scope of embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creativeness The every other embodiment obtained on the premise of work, all should belong to protection scope of the present invention.It should be noted that this theory Term used in bright book " left side ", " right side ", "front", "rear" and similar expression for illustrative purposes only, following implementations Unreceipted model, size, condition in example, conventionally, or select according to catalogue.

Embodiment one

As Figure 1-3, high density use in fish breeding of the invention plays device for catching, including lift net 1, hauling power section 2, wherein Lift the center in four corners and four corners of net 1 between each two corner to be provided with support bar 6, draw in the net rope 7, amount to 8 support bars 6 and 8 draw in the net rope 7, wherein four support bars positioned at four corners of lift net（Be respectively No.1 support bar 6.1, No. two support bars 6.4 of support bar 6.3, four of support bar 6.2, three）It is designed to that two high two is low, two high-end support bars（I.e. No.1 support bar 6.1 and No. two support bars 6.2）Away from bank, two support bars of low side（That is 6.3, No. four branch of No. three support bars Strut 6.4）Close to bank；And it is located at two high-end support bars（That is No.1 support bar 6.1 and No. two support bars 6.2）And two That root support bar between person（That is No. five support bars 6.5）Sustained height is in, forms high-end support bar；Positioned at the two of low side Root support bar（That is 6.3, No. four support bars 6.4 of No. three support bars）And that root support bar between the two（That is No. six support bars 6.6）Sustained height is in, forms low side support bar；And remaining support bar（That is 6.7, No. eight support bars 6.8 of No. seven support bars） Height be between the height of high-end support bar and the height of low side support bar, form middle studdle；Cuboid net cage 3 connects It is connected on the corresponding support bar in low side on lift net 1（That is No. three support bars 6.6 of support bar 6.4, six of support bar 6.3, four） That side and lift net 1 and cuboid net cage 3 both be connected, be fixed with adjustable net away from that end for lifting net 1 on cuboid net cage 3 The mesh screen 4 of hole size, in remote net cage 3 and it is placed with rocket aerator 5 apart from the 0.8-1.5m of mesh screen 4 position.

The mesh screen of adjustable mesh size includes housing 4.1 and two layers of stainless steel mesh 4.2 of the regular distribution of mesh, its In one layer of screen cloth 4.21 be mounted and fixed on the inwall of housing 4.1, form gravity flow screen stratum reticulare；One is provided with the inwall of housing 4.1 Annular mounting groove, the periphery of another layer of screen cloth 4.22 are fixed with frame sliding block 4.3, and frame sliding block 4.3 is caught in annular mounting groove, Composition activity screen layer；Multiple first dowel holes are provided with the frame sliding block 4.3 of movable screen layer, similarly, in housing 4.1 The second dowel hole is provided with upper the first dowel hole of correspondence position, in the first corresponding dowel hole, the second dowel hole On inserted with same alignment pin 4.4；The movable center of screen cloth 4.22 is fixed with action bars 4.5, is located at two layer screen on action bars 4.5 That end between net 4.2 is outwardly formed annular protrusion 4.6, accordingly, set is fixed with the center of screen cloth 4.21 of gravity flow screen stratum reticulare Cylinder 4.7, it is raised that the sleeve being engaged with annular protrusion 4.6 is designed with the inwall of sleeve 4.7.Before use, adjusted by action bars The mesh of two layers of stainless steel mesh overlaps situation（The specification size of the fish passed through can be controlled）, listing is caught to be adapted to The specification of fish, then action bars is inserted in sleeve and two projections are mutually spacing, while is fixed plus positioning finger setting, so that two Layer screen cloth is fixed, it is possible to is used.

Every support bar 6 top is fixed with fixed pulley 8, and eight are drawn in the net rope 7 around being moved after corresponding fixed pulley 8 with hauling Power part 2 connects, and hauling power section 2 includes motor 2.1, frame 2.2, winding wheel shaft 2.3, and wherein motor 2.1 passes through transmission Belt is driven with winding wheel shaft 2.3, be arranged on winding wheel shaft 2.3 and the reel 2.4 of fixed large, medium and small three kinds of format diameters, 2.5th, 2.6, and limited location plate separates between three reels, wherein positioned at three high-end support bars（No.1 support bar 6.1, 6.2, No. five support bars 6.5 of No. two support bars）On draw in the net rope 7 fix and be wound on big reel 2.4, positioned at centre two Support bar（6.7, No. eight support bars 6.8 of No. seven support bars）On draw in the net rope 7 fix and be wound on middle reel 2.5, positioned at low Three support bars at end（No. three support bars 6.6 of support bar 6.4, six of support bar 6.3, four）On to draw in the net rope fixed and be wound on On small reel 2.6.

Play method for catching：

（1）The high density use in fish breeding that the present invention is just built when establishing culturing pool plays device for catching, during making, by net cage 3 and lift Connected between net 1 using slide fastener, conveniently net cage 3 disengages with lift net 1 during fishing, and periodically feeds bait in lift net 1 position；

（2）First while open rocket aerator 5 to bait is fed at lift net 1 during harvesting, when the shoal of fish lift assemble at net when, open Dynamic hauling power section 2, eight are drawn in the net rope 7 and are pulled by the reel 2.4/2.5/2.6 of large, medium and small three kinds of specifications, so as to drive The center for lifting each two corner in four corners and four corners of net 1 rises from water, until reaching at fixed pulley 8, stops Only hauling power section 2, now, lift net 1 bottom form gentle slope shape, and fishnet lift sieve bottom lower is gathered, and to rocket oxygenation The trip of machine 5 is gone, and due to the presence of the mesh screen 4 of adjustable mesh size, the fish for meeting Catchable size is trapped within net cage 3, and is less than The fish of Catchable size then passes screen cloth 3, stays in culturing pool；After net cage 3 assembles the fish of certain quantity of the catch, stopping feeds bait Material, and seal net cage 3 with screen cloth and lift the connectivity part of net 1, net cage 3 is picked up, the fish in net cage 3 is poured into live fish transfer car(buggy), is transported Defeated, sale.

Embodiment two

In addition to following differences, remaining is the same as embodiment one：

Mesh screen such as the adjustable mesh size in the present embodiment of Fig. 1,4,5 includes first layer mesh screen 4.8, second layer mesh screen 4.9, its Middle first layer mesh screen 4.8, second layer mesh screen 4.9 are made up of housing and screen cloth, first layer mesh screen 4.8, second layer mesh screen 4.9 On the regular distribution of screen cloth and screen cloth periphery it is embedded and be fixed on housing, the housing and second of the first layer mesh screen 4.8 The nested simultaneously rotatable engagement of outer in-out-snap of layer mesh screen 4.9.By rotating the housing of second layer mesh screen, to adjust the net of two layers of screen cloth Hole overlaps situation, realizes the big minor adjustment of mesh, to be adapted to the specification to be caught listing fish.

Instantiation

When making, lift net length and width size of the invention is 20m * 20m, the long 20m of net cage, wide 4m, high 3m, No.1 support bar, The height of No. two support bars and No. five support bars is 6m, and the height of No. three support bars, No. four support bars and No. six support bars is equal For 4m, No. seven support bars, the height of No. eight support bars are 5m, and the mesh screen sieve aperture that can adjust mesh size is (about 2 jin of 7 * 7cm Fish above), mesh screen slot size should be adjusted according to the coefficient of condition of fishing, and distance of the rocket aerator away from mesh screen is optimal For 1m, big reel and the diameter difference of middle reel diameter difference, middle reel and small reel are each about 0.32m.As for hauling Power section can also be leverage.

Claims (8)

1. high density use in fish breeding plays device for catching, including lift net, hauling power section, wherein four corners for lifting net are provided with Support bar, draw in the net to restrict, every support bar top is fixed with pulley, four draw in the net rope around after corresponding fixed pulley with hauling power Part connects, it is characterised in that lift is connected with the cuboid net cage of a both ends open on the net and both are connected, cuboid net cage Upper that end away from lift net is fixed with the mesh screen of adjustable mesh size, away from net cage and apart from double-deck mesh screen 0.8-1.5m position Storing is equipped with rocket aerator.

2. high density use in fish breeding according to claim 1 plays device for catching, it is characterised in that above-mentioned four support bars are set Two two high two low, high-end support bars are counted into away from bank, two support bars of low side are close to bank, the connection of cuboid net cage In that side of the online corresponding support bar in low side of lift.

3. high density use in fish breeding according to claim 2 plays device for catching, it is characterised in that above-mentioned four corners of lift net Center between middle each two corner is also equipped with support bar and draws in the net to restrict, and support bar top is equally also fixed with pulley, draws in the net Rope is connected after the fixed pulley around corresponding to hauling power section, wherein positioned at two high-end support bars and between the two That root support bar is in sustained height, forms high-end support bar；Positioned at two support bars and between the two that of low side Root support bar is in sustained height, forms low side support bar；And the height of remaining support bar is in the height of high-end support bar Between the height of low side support bar, middle studdle is formed.

4. the high density use in fish breeding according to claim 1 or 2 or 3 plays device for catching, it is characterised in that above-mentioned adjustable net The mesh screen of hole size includes housing and two layers of stainless steel mesh of the regular distribution of mesh, wherein one layer of screen cloth installs and fixes On outer inframe wall, gravity flow screen stratum reticulare is formed；An annular mounting groove is provided with housing inwall, the periphery of another layer of screen cloth is fixed There is frame sliding block, frame sliding block is caught in annular mounting groove, composition activity screen layer；It is provided with the frame sliding block of movable screen layer Multiple first dowel holes, similarly, the second dowel hole is provided with corresponding first dowel hole position on housing, relative Inserted with same alignment pin on the first dowel hole for answering, the second dowel hole；Movable screen cloth center is fixed with action bars, behaviour Make that end on bar between two layer screen net and be outwardly formed annular protrusion, accordingly, consolidate at the screen cloth center of gravity flow screen stratum reticulare Surely there is sleeve, it is raised that the sleeve being engaged with annular protrusion is designed with sleeve lining.

5. the high density use in fish breeding according to claim 1 or 2 or 3 plays device for catching, it is characterised in that above-mentioned adjustable net The mesh screen of hole size includes first layer mesh screen, second layer mesh screen, and wherein first layer mesh screen, second layer mesh screen is by housing and sieve Net is formed, the regular distribution of the screen cloth on screen cloth and screen cloth periphery is embedded and be fixed on housing, the first layer mesh screen it is outer Frame simultaneously rotatable engagement nested with the outer in-out-snap of second layer mesh screen.

6. by rotating the housing of second layer mesh screen, situation is overlapped with the mesh of two layers of screen cloth of regulation, realizes the big minor adjustment of mesh, To be adapted to the specification to be caught listing fish.

7. high density use in fish breeding according to claim 1 plays device for catching, it is characterised in that above-mentioned hauling power section Including motor, frame, winding wheel shaft, wherein motor is driven by driving belt and winding wheel shaft, and winding wheel shaft is arranged and fixed The reel of large, medium and small three kinds of format diameters, and limited location plate separates between three reels, wherein positioned at high-end three The rope that draws in the net on support bar is fixed and is wound on big reel, and the drawing in the net rope on two support bars of centre is fixed and is wound on On middle reel, the rope that draws in the net on three support bars of low side is fixed and is wound on small reel.

8. high density use in fish breeding according to claim 1 plays a method for catching for device for catching, it is characterised in that including such as Lower step：

（1）The high density use in fish breeding that the present invention is just built when establishing culturing pool plays device for catching, during making, by net cage and lift net Support is connected using slide fastener, conveniently net cage and lift net disengagement during fishing, and periodically feeds bait in lift net position；

（2）First while open rocket aerator to bait is fed at lift net during harvesting, when the shoal of fish lift assemble at net when, start Hauling power section, eight are drawn in the net to restrict by the reel pulling of large, medium and small three kinds of specifications, and four corners netted are lifted so as to drive And the center of each two corner rises from water in four corners, until reaching at pulley, stop hauling power section, this When, lift sieve bottom forms gentle slope shape, and fishnet lift sieve bottom lower is gathered, and is gone to the trip of rocket aerator, due to adjustable mesh The presence of the mesh screen of size, the fish for meeting Catchable size are trapped within net cage, and the fish less than Catchable size then passes screen cloth, Stay in culturing pool；After net cage assembles the fish of certain quantity of the catch, stopping feeds bait, and seals net cage and lift net with screen cloth Connectivity part, net cage is picked up, the fish in net cage is poured into live fish transfer car(buggy), transport, sale.