CN106818655A - A kind of small-sized networking fishing gear - Google Patents

A kind of small-sized networking fishing gear Download PDF

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Publication number
CN106818655A
CN106818655A CN201611231755.8A CN201611231755A CN106818655A CN 106818655 A CN106818655 A CN 106818655A CN 201611231755 A CN201611231755 A CN 201611231755A CN 106818655 A CN106818655 A CN 106818655A
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CN
China
Prior art keywords
net
capsule
circle
small
liter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611231755.8A
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Chinese (zh)
Inventor
臧迎亮
宋伟华
周成
刘莉莉
鲍承飞
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Publication date
Application filed by Zhejiang Ocean University ZJOU filed Critical Zhejiang Ocean University ZJOU
Priority to CN201611231755.8A priority Critical patent/CN106818655A/en
Publication of CN106818655A publication Critical patent/CN106818655A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K69/00Stationary catching devices
    • A01K69/06Traps

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)

Abstract

The invention discloses a kind of small-sized networking fishing gear.It includes leader, net circle, rises net and net capsule, one end of the leader is arranged on the middle of net circle and is mutually perpendicular to net circle, described rises the left and right two ends that net is arranged on net circle, described net capsule is arranged on the outside for rising net, straight line of the described net circle, liter net and net capsule with where leader is the symmetrical distribution of center line, support cable wire is provided between described liter net and leader, the structure of the net circle is semiclosed case structure, and described liter of net is provided with door curtain with the junction of net circle.The beneficial effects of the invention are as follows:Rational in infrastructure, tool fishes for more by force selectivity;Catches economic worth is high, and catches juvenile fish ratio is small;Structure is relatively easy, easy to operate, and low cost, income is high.

Description

A kind of small-sized networking fishing gear
Technical field
The present invention relates to fishing gear correlative technology field, a kind of small-sized networking fishing gear is referred in particular to.
Background technology
The species of current ocean trap class fishing gear is a lot, and scale great disparity, operating type also has bigger difference.China sea In foreign trap class fishing gear, mainly based on slotting net type, coastal various regions have, main to intercept fish, the shrimp come with flood tide trip, wait to ebb tide After capture, mainly fish for small fishes, shrimp, crab class, the simultaneous young for catching various fishes, shrimp, to the fishery resources protection of propagation extremely not Profit, should be restricted development.
Existing networking type fishing gear, is laid on offshore fish migration passage, by the leader of its cross-section trend, leads fish and enters people's net Circle, finally reaches bunt.Leader length reaches more than 500m, and to fish for adult fish, economic benefit is higher, in being trap class fishing gear More advanced operation form.But the complex structure because fishing gear scale is big, at the same it is relatively stricter to the requirement of fishing ground environment condition, need It is barrier to have island or cape, is not easily susceptible to high sea and attacks, the flat clear in seabed, substrate silt, and trend is with reversing current Based on, flow velocity is not more than 2kn.Factors above also limit the development and popularization of networking.
The content of the invention
The present invention is above-mentioned in order to overcome the shortcomings of to exist in the prior art, there is provided a kind of simple and reasonable and cost Low small-sized networking fishing gear.
To achieve these goals, the present invention uses following technical scheme:
A kind of small-sized networking fishing gear, including leader, net circle, liter net and net capsule, one end of the leader is arranged on net circle Middle and it is mutually perpendicular to net circle, described rises the left and right two ends that net is arranged on net circle, and described net capsule is arranged on and rises net Outside, described net circle, to rise the straight line of net and net capsule with where leader be the symmetrical distribution of center line, described liter net and net Support cable wire is provided between wall, the structure of the net circle is semiclosed case structure, and described liter of net is provided with the junction of net circle Door curtain.
By the design of leader, for inducing the shoal of fish to be moved toward net circle direction;By the structure design of net circle so that the shoal of fish Assemble and induce it to be moved about to a liter net direction;By the design of liter net and door curtain, on the one hand for receiving fish and fish gathering, the opposing party Lure the shoal of fish travelling toward net capsule direction in face;By the design of net capsule, on the one hand prevent fish from escaping, on the other hand for taking fish; By supporting the design of cable wire, the stability of the small-sized networking fishing gear can be effectively ensured;By said structure design so that small Type networking fishing gear tool fishes for more by force selectivity, while catches economic worth is high, structure is relatively easy, easy to operate, low cost, Income is high.
Preferably, described leader includes mesh sheet, fixing tightwire, headline and some floats, one end of the mesh sheet It is fixedly connected with the middle of net circle, described fixing tightwire and headline is placed in the top edge of mesh sheet, described float is installed On headline, the length of the headline is consistent with the length of mesh sheet, the length of the length more than headline of the fixing tightwire Degree.So it is designed to the induction shoal of fish travelling to net circle direction.
Preferably, the hanging ratio of the mesh sheet is 0.68.By the design of the hanging ratio, juvenile fish can be reduced Ratio, so as to reduce the infringement to juvenile fish.
Preferably, described net circle includes square, net bottom and side net, described square and net bottom is netted by side and connected, The shape of cross section of the net circle is U-shaped, and the plane where plane and net bottom where the square is parallel to each other, the net The right and left of lid, net bottom and side net is all connected with a liter net, and the openend middle of the net circle is connected with one end of leader.So Design causes the shoal of fish to assemble and induces it travelling to net capsule position.
Preferably, the square of the net circle is provided with some equally distributed floats.So design causes net circle and net Wall can keep the uniformity of height, improve fishing efficiency.
Preferably, the shape for rising net is in funnel-form, one end of the liter net connection net circle is entrance point, the liter One end of net connection net capsule is openend, and the size of the entrance point is greater than the size of the port of export, the upper surface of the liter net It is provided with some equally distributed floats.Its funnel-shaped structure is conducive to receiving fish, fish gathering, lures the shoal of fish to enter the capsule that networks.
Preferably, the port of export for rising net is provided with metal framework, the metal framework is shaped as square, described Metal framework on be wound with small mesh etting.The design of metal framework, had both maintained a liter shape for net stabilization, and a liter net drop is made again To certain water layer, the interference to networking fish such as wave, light is reduced, improve gathering effect;Small mesh etting sets Meter, with antirust, mitigates the effect such as friction.
Preferably, described door curtain is arranged on the entrance point for rising net, described door curtain is made by some mesh sheet, institute The assembling mode of door curtain is stated for longitudinal direction is assembled.After door curtain is sutured with liter net, the entrance point of net is risen in semi-closed state, door curtain has concurrently The effect that net is led, can play and block the effect such as fish, induction, anti-escape.
Preferably, described net capsule includes some grades of net capsules, wherein separated using annulus between adjacent two-stage net capsule, away from From liter farthest one-level net capsule of net to take fishnet capsule, every grade of intracapsular portion of net in addition to fishnet capsule is taken is equipped with down net.So design Can prevent networking fish from inversely escaping.
Preferably, described annulus is made using pvc pipe, the bottom for taking fishnet capsule is provided with sealing mesh sheet, Described sealing mesh sheet is detachably connected with fishnet capsule is taken.Simple structure, convenient operation.
The beneficial effects of the invention are as follows:Rational in infrastructure, tool fishes for more by force selectivity;Catches economic worth is high, catches Juvenile fish ratio is small;Structure is relatively easy, easy to operate, and low cost, income is high.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure:1. net capsule, 2. liter net, 3. net circle, 4. metal framework, 5. float, 6. supports cable wire, 7. leader.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of small-sized networking fishing gear, including leader 7, net circle 3, liter net 2 and net capsule 1, net One end of wall 7 is arranged on the middle of net circle 3 and is mutually perpendicular to net circle 3, rises the left and right two ends that net 2 is arranged on net circle 3, net capsule 1 is arranged on the outside for rising net 2, and the straight line where net circle 3, liter net 2 and net capsule 1 with leader 7 is the symmetrical distribution of center line, is risen Support cable wire 6 is provided between net 2 and leader 7, the structure of net circle 3 is semiclosed case structure, rises the junction of net 2 and net circle 3 It is provided with door curtain.
Leader 7 includes mesh sheet, fixing tightwire, headline and some floats 5, and one end of mesh sheet is consolidated with the middle of net circle 3 Fixed connection, fixing tightwire and headline are placed in the top edge of mesh sheet, and float 5 is arranged on headline, the length and net of headline The length of piece is consistent, the length of the length more than headline of fixing tightwire.The hanging ratio of mesh sheet is 0.68.Leader 7 is induction Part, headline floats on the water surface by float 5, and leader 7 is laid from shallow water to deep water extension;Mesh sheet on leader 7 is typically selected 10m high and 50m long is selected, the fixing tightwire one end on the top of leader 7 is connected with seashore, and the other end is crossed net circle 3 and is connected with anchor line, therefore Fixing tightwire 15-20m more long than headline.
Net circle 3 includes square, net bottom and side net, and square and net bottom are netted by side and connected, and the shape of cross section of net circle 3 is U Type, the plane where plane and net bottom where square is parallel to each other, and the right and left of square, net bottom and side net is all connected with a liter net 2, the openend middle of net circle 3 is connected with one end of leader 7.The square of net circle 3 is provided with some equally distributed floats 5. Net circle 3 is commonly called as sports ground, and net circle 3 causes the shoal of fish to assemble and induces it travelling to the position of net capsule 1, and net circle 3 is a semi-enclosed case Formula structural openings end height is highly consistent with the upper net plate of leader 7.
The shape for rising net 2 is in funnel-form, and the one end for rising the connection net circle 3 of net 2 is entrance point, rises one end of the connection net of net 2 capsule 1 It is openend, the size of entrance point is greater than the size of the port of export, and the upper surface for rising net 2 is provided with some equally distributed floats 5.The port of export for rising net 2 is provided with metal framework 4, and metal framework 4 is shaped as square, and small mesh is wound with metal framework 4 Etting.Door curtain is arranged on the entrance point for rising net 2, and door curtain is made by some mesh sheet, and the assembling mode of door curtain is longitudinal direction assembling. Rise net 2 and also referred to as net slope, its funnel-shaped structure is conducive to receiving fish, fish gathering, lure the shoal of fish to enter to network capsule 1 by falling net.Metal framework 4 Its shape for both having maintained the stabilization of liter net 2, makes liter net 2 be down to certain water layer again, reduces wave, light etc. to networking fish Interference, improve gathering effect.Small mesh etting is wound with metal framework 4 in case becoming rusty, mitigating friction, wherein rising the net of net 2 Every 18~20 mesh of clothing is tied up on metal framework 4 for one grade of knot.Door curtain is placed at the entrance point of liter net 2, and door curtain is sutured with net 2 is risen Afterwards, the entrance point for rising net 2 is in semi-closed state, and door curtain has the effect that net is led concurrently, can play and block the effect such as fish, induction, anti-escape.
Net capsule 1 includes some grades of net capsules, wherein being separated using annulus between adjacent two-stage net capsule, it is farthest that distance rises net 2 To take fishnet capsule, every grade of intracapsular portion of net in addition to fishnet capsule is taken is equipped with down net to one-level net capsule.Annulus is using pvc pipe making Into the bottom for taking fishnet capsule is provided with sealing mesh sheet, and sealing mesh sheet is detachably connected with fishnet capsule is taken.It is general to use level Four net capsule, Every grade of net capsule is separated with the pvc pipe annulus of diameter 130cm, and net can prevent networking fish from inversely escaping.
The small-sized networking fishing gear relatively inserts web frame rationally, and tool fishes for more by force selectivity, can make full use of coastal fishing bank resource And do not damage juvenile fish.Skeleton is supported by net capsule 1 of pvc pipe annulus, the mesh of net capsule 1 is larger, after the small-sized networking fishing gear lays Controlled by positioning anchor, net capsule 1 can stably be in certain water layer, networking fish have larger motion empty inside net capsule 1 Between, the economic fishes and shrimps Crab larvae of certain specification can free in and out mesh.Small-sized networking fishing gear is among water body all the time, fishery harvesting Thing is generally the economic fish live bodies such as colored perch, Chinese herring, He Chang rockfish, brown croaker, large yellow croaker, the Scioenops ocellatus of big specification, and economic worth is high; Meanwhile, small-sized networking fishing gear catches juvenile fish ratio is minimum, mostly the body larger economic fish young high, fisherman when taking fish operation Can be discharged immediately.

Claims (10)

1. a kind of small-sized networking fishing gear, it is characterized in that, including leader (7), net circle (3), rise net (2) and net capsule (1), described net One end of wall (7) is arranged on the middle of net circle (3) and is mutually perpendicular to net circle (3), and described liter net (2) is installed in net circle (3) left and right two ends, described net capsule (1) described net circle (3), rises net (2) and net capsule (1) installed in the outside of a liter net (2) Straight line with where leader (7) is the symmetrical distribution of center line, and supporting steel is provided between described liter net (2) and leader (7) Rope (6), the structure of the net circle (3) is semiclosed case structure, and described liter of net (2) is provided with door curtain with the junction of net circle (3).
2. a kind of small-sized networking fishing gear according to claim 1, it is characterized in that, described leader (7) includes mesh sheet, fixation Cable wire, headline and some floats (5), one end of the mesh sheet are fixedly connected with the middle of net circle (3), described fixed steel Rope and headline are placed in the top edge of mesh sheet, described float (5) on headline, the length and mesh sheet of the headline Length it is consistent, the length of the length more than headline of the fixing tightwire.
3. a kind of small-sized networking fishing gear according to claim 2, it is characterized in that, the hanging ratio of the mesh sheet is 0.68.
4. a kind of small-sized networking fishing gear according to claim 1, it is characterized in that, described net circle (3) includes square, net bottom With side net, by side net connection, the shape of cross section of the net circle (3) is U-shaped, where the square for described square and net bottom Plane and net bottom where plane be parallel to each other, the square, net bottom and side net the right and left be all connected with a liter net (2), institute The openend middle for stating net circle (3) is connected with one end of leader (7).
5. a kind of small-sized networking fishing gear according to claim 4, it is characterized in that, the net circle (3) if square be provided with Do equally distributed float (5).
6. a kind of small-sized networking fishing gear according to claim 1, it is characterized in that, the described liter of shape of net (2) is in funnel-form, Described liter of one end of net (2) connection net circle (3) is entrance point, and described liter of one end of net (2) connection net capsule (1) is openend, institute The size for stating entrance point is greater than the size of the port of export, and the upper surface of described liter of net (2) is provided with some equally distributed floats (5)。
7. a kind of small-sized networking fishing gear according to claim 6, it is characterized in that, the port of export of described liter of net (2) is provided with gold Category framework (4), the metal framework (4) is shaped as square, and small mesh etting is wound with described metal framework (4).
8. a kind of small-sized networking fishing gear according to claim 6 or 7, it is characterized in that, described door curtain is arranged on and rises a net (2) Entrance point, described door curtain is made by some mesh sheet, and the assembling mode of the door curtain is to assemble longitudinal direction.
9. a kind of small-sized networking fishing gear according to claim 1, it is characterized in that, described net capsule (1) includes some grades of nets Capsule, wherein being separated using annulus between adjacent two-stage net capsule, distance rises net (2) farthest one-level net capsule to take fishnet capsule, except taking Every grade of intracapsular portion of net outside fishnet capsule is equipped with down net.
10. a kind of small-sized networking fishing gear according to claim 9, it is characterized in that, described annulus made using pvc pipe and Into the bottom for taking fishnet capsule is provided with sealing mesh sheet, and described sealing mesh sheet is detachably connected with fishnet capsule is taken.
CN201611231755.8A 2016-12-27 2016-12-27 A kind of small-sized networking fishing gear Pending CN106818655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611231755.8A CN106818655A (en) 2016-12-27 2016-12-27 A kind of small-sized networking fishing gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611231755.8A CN106818655A (en) 2016-12-27 2016-12-27 A kind of small-sized networking fishing gear

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CN106818655A true CN106818655A (en) 2017-06-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108782478A (en) * 2018-08-03 2018-11-13 中国水产科学研究院东海水产研究所 Jellyfish intercepts finishing device and its application method
CN109247310A (en) * 2018-09-19 2019-01-22 上海海洋大学 A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type
CN111869633A (en) * 2020-05-25 2020-11-03 浙江海洋大学 Rotary multi-net-bag trawl

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2698076Y (en) * 2004-05-28 2005-05-11 宋君 Two sleeve symmetric shuttle-like fixed net
CN101715755A (en) * 2009-12-18 2010-06-02 张万全 Invisible grid curtain automatic trap
CN202504054U (en) * 2012-03-24 2012-10-31 李三川 Fishing box
CN203851639U (en) * 2014-05-04 2014-10-01 徐州一统渔具有限公司 Bevel-opening opsariichthys bidens trapping device
CN104969933A (en) * 2014-04-14 2015-10-14 徐州一统渔具有限公司 Silver carp and bighead carp special-purposed catching device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2698076Y (en) * 2004-05-28 2005-05-11 宋君 Two sleeve symmetric shuttle-like fixed net
CN101715755A (en) * 2009-12-18 2010-06-02 张万全 Invisible grid curtain automatic trap
CN202504054U (en) * 2012-03-24 2012-10-31 李三川 Fishing box
CN104969933A (en) * 2014-04-14 2015-10-14 徐州一统渔具有限公司 Silver carp and bighead carp special-purposed catching device
CN203851639U (en) * 2014-05-04 2014-10-01 徐州一统渔具有限公司 Bevel-opening opsariichthys bidens trapping device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108782478A (en) * 2018-08-03 2018-11-13 中国水产科学研究院东海水产研究所 Jellyfish intercepts finishing device and its application method
CN109247310A (en) * 2018-09-19 2019-01-22 上海海洋大学 A kind of method and facility of the fresh and alive fishes fishing of fisheries resources conservation type
CN111869633A (en) * 2020-05-25 2020-11-03 浙江海洋大学 Rotary multi-net-bag trawl

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Application publication date: 20170613