CN106614424A - Efficient injury-free catching device for trachidermus fasciatus - Google Patents
Efficient injury-free catching device for trachidermus fasciatus Download PDFInfo
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- CN106614424A CN106614424A CN201611212907.XA CN201611212907A CN106614424A CN 106614424 A CN106614424 A CN 106614424A CN 201611212907 A CN201611212907 A CN 201611212907A CN 106614424 A CN106614424 A CN 106614424A
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- trap setting
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- 208000027418 Wounds and injury Diseases 0.000 title claims abstract description 10
- 208000014674 injury Diseases 0.000 title claims abstract description 8
- 241001121148 Trachidermus fasciatus Species 0.000 title abstract 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 241000251468 Actinopterygii Species 0.000 claims abstract description 15
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 241000196324 Embryophyta Species 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000003306 harvesting Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000006378 damage Effects 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 244000058871 Echinochloa crus-galli Species 0.000 claims description 2
- 235000015225 Panicum colonum Nutrition 0.000 claims description 2
- 241000269800 Percidae Species 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 6
- 241000143060 Americamysis bahia Species 0.000 abstract description 4
- 238000009360 aquaculture Methods 0.000 abstract description 3
- 244000144974 aquaculture Species 0.000 abstract description 3
- 235000019994 cava Nutrition 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 241000269799 Perca fluviatilis Species 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 235000013332 fish product Nutrition 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
-
- 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
- A01K69/04—Fixed nets with traps
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Mechanical Means For Catching Fish (AREA)
Abstract
The invention belongs to the technical field of aquaculture, and particularly discloses an efficient injury-free catching device for trachidermus fasciatus. The efficient injury-free catching device is designed according to life habits such as cave living, group living and predation of trachidermus-fasciatus. The efficient injury-free catching device is divided into an external enticing area and an internal besieging area; the enticing area is made from flexible simulation artificial aquatic plants, the artificial aquatic plants can randomly swing in water to attract shrimps and small fishes to gather, rich bait is provided for trachidermus fasciatus, and the survival rate of trachidermus fasciatus in the besieging area is increased; the internal besieging area is of a cavernous structure where trachidermus fasciatus can easily enter and cannot easily leave, fishes can easily swim in the internal besieging area and cannot swim out of the internal besieging area easily, and the catching efficiency is improved; the besieging area is divided into a plurality of caves, it is avoided that due to mutual friction caused by excessive fishes, caught objects are injured, and the survival rate during catching and the following temporary-rearing survival rate are increased. The efficient injury-free catching device is simple in structure and low in cost, has the quite-good application and popularization value, and can be widely applied to pond catching of demersal small fishes such as trachidermus fasciatus.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of Sungkiang weever trap setting.
Background technology
Sungkiang weever, calls four-gill perch, is two grades of aquatic wild protection animals of country of China, Chinese four big fresh water name fishes it
One, there is the good reputation of " south of the River first place fish ".Sungkiang weever is that a kind of bottom is lived in caves, ferociousness eats meat, the small-sized fish of catadromous migration
Class, its fine and tender taste, delicious flavour, is extensively favored by market.The four-gill perch originated under the Xiu Yeqiao of Shanghai Songjiang is even more and enjoys tremendous popularity in the world,
There are good scientific research value, the ecological value and economic worth.Fudan University is absorbed in for many years its scientific research, achieves all
Many achievements in research.Sungkiang weever cultivation is breached in recent years and breeds serial key technology：The production of spray fry, desalination fingerling training
Educate, the technology such as bait culture apparatus, batch production pipe bucket system, simulation natural habitat breeding system workshop system, water treatment system
Constructing technology, ecological pond culture technology etc., realize the complete artificial propagation in scale breeding production of Sungkiang weever filial generation, set up
A Sungkiang weever new industry is played, while having driven the emergence of a related industry with it as core, growth momentum is good
It is good.
Sungkiang weever is famous and precious fish products, and Sungkiang weever is caught at present, is used conventional methods, such as cage net, customization net
Deng traditional catching method, certain damage is caused unavoidably, and, it is inefficient.
The content of the invention
It is an object of the invention to provide a kind of efficient, undamaged device for catching Sungkiang weever.
Inventor have studied Sungkiang weever in nature and live in caves, live in groups and hunt during the pond culture of Sungkiang weever
The life habits such as feeding habits, devising can efficiently besiege the trap setting temporarily supported with not damaged.
The Sungkiang weever not damaged trap setting of present invention design, generally one netted rectangular structure is divided into outside
Lure area and internal besieging area；Wherein, it is bifurcated filament that area is lured in outside, perches, gathers for luring Sungkiang weever to hide
Collection；It is porous network structure that area is besieged in inside, and is divided into multiple regions, for the besieging of Sungkiang weever, segmentation, capture,
Avoid mutually injury.Now it is described below respectively.
First, area is lured in outside
Area is lured mainly to include flexible artificial aquatic weed and the hole that is connected in outside.
1. flexible artificial aquatic weed
Flexible artificial aquatic weed is located at the outermost of trap setting, is many branches using the form of simulation water unboiled water grass in profile
Filament.
One end of artificial aquatic weed has a slotting pin-shaped structure, and the other end has two jack structures, and latch shape is tied
Structure just coincide with slotting cavernous structure, can firmly be fitted together to and be integrated.Head and the tail can cause artificial aquatic weed into insertion type connection
Can according to demand be attached, extend to the length of needs.Two jack structures of design so that pasture and water can increase water with bifurcated
The dense degree of grass, strengthens the hidden degree of trap setting.For the pasture and water of whole, its flexibility is more for the pasture and water of connection
Softness, branch is more, and more conducively hiding for catches is perched.
Wherein, the flexible artificial aquatic weed, as monomer, is flat or cylindric, and color is light green, bottle green, black
Deng monomer length is 10-20cm, a diameter of 1-3mm of cylindric pasture and water, and the width of flat pasture and water is 5-10mm, and thickness is
0.5-1mm；Artificial aquatic weed materials'use environment-friendly type nylon or plastic material make, with good flexibility, when being positioned in water
Can swing with current, with higher simulation quality.
2. be connected hole
Hole be connected for artificial aquatic weed to be fixed on the inside besieging area of trap setting, its structure is that one end is circle knot
Structure, the other end is jack structure.Circle can be fixed on the internal mesh cage framework for besieging area, and people can be assigned on jack structure
Work pasture and water.
2nd, it is internal to besiege area
Inside is besieged area and is mainly assembled by four cuboid cylinder moulds, and there are two entrances each cuboid cylinder mould side, is supplied
Catch object to enter, catch object and enter after cylinder mould it is difficult to out, object will be caught and besieged inside cylinder mould；Each cylinder mould two
Two outlets are provided with, for taking out object is caught.The structure of single cuboid cylinder mould is explained below, it includes：Dictyosome, cylinder mould
Skeleton, cylinder mould entrance, results outlet, weight and buoy；Wherein：
1. mesh cage framework described in is used to support and mesh body, forms cuboid netting gear shape.
Wherein, the material of the dictyosome generally uses the stainless steel steel wire of certain rigidity and toughness, and steel wire diameter is generally
0.5-2mm, steel wire outside is enclosed with plastic sheath skin, in case the exposed steel wire in joint causes wound to catching object and operating personnel
Evil；
What mesh cage framework was constituted is shaped as cuboid, and size may generally be long 50-100cm, wide 25-50cm, high 25-50cm.
2. cylinder mould entrance described in is circle, and outside is big, and the inside is little, has steel-wire carcass to be supported, the cylinder mould entrance
Structure, makes fish be easy to swim into and being difficult to swim out of, so that tuck seine is trapped in cylinder mould；Cylinder mould entrance has two, is arranged on side
Two adjacent surfaces；When four independent cylinder moulds are combined into a big cylinder mould, its hole is just in outside；
Wherein, the outer bore of cylinder mould may generally be 8-10cm, and interior bore is telescopically adjustable structure, and general control is in diameter 4-5cm.
3. outlet is harvested at two of cylinder mould, and for collecting catches, the end for harvesting outlet is to be worn by nylon rope described in
Receipts even take out structure, are put into when catching in water, and the port is in closure state.When extracting cylinder mould results, unclamp nylon rope and open hole
Mouthful, obtain and catch object.
4. weight described in is fixed on skeleton along the circle of skeleton one, for finishing device to be sunk into the bottom, and is relatively fixed
Position, will not move in the case where current are little, be easy to the seizure of catches；
Wherein, the weight material may be selected stone or leadwork, can select the regular chad of particle diameter 2-4cm, and chad has into
This cheap, long service life, has no toxic side effect, the advantages of pendant effect of sinking is preferable.Wrapped up with mesh sheet when on mesh cage framework.
5. buoy described in is suspended in the water surface, and is fixed on the top of trap setting by rope, for showing trap setting
Position, be easy to quickly effectively search out trap setting, so as to quick harvesting；
Wherein, the length of the rope is 1.5-3.0m, can be adjusted according to the different depth of water.The length adjustment of nylon rope
It is located at directly over trap setting with buoy and is advisable.Buoy can be larger from buoyancy such as foam block, unit of plastic, empty mineral water bottles
Material makes.
The Sungkiang weever not damaged trap setting that the present invention is provided, generally one netted rectangular structure is divided into outside
Lure area and internal besieging area；Wherein, it is bifurcated filament that area is lured in outside, and it is porous network structure that area is besieged in inside.Draw
Lure region using flexible simulation artificial aquatic weed, the swing without fixed-direction can be at random done in water, attract to be lived in pasture and water
Shrimps and small fishes aggregation, provide abundant bait for Sungkiang weever, improve survival of the Sungkiang weever in besieging area
Rate；The efficient besieging of Sungkiang weever is carried out, the Sungkiang weever after besieging is divided into multiple regions, it is to avoid mutual injury, then added
Upper abundant bait, substantially increases seizure survival rate.Using this trap setting than traditional fishing operations such as cage net, customization nets
Capturing efficiency be enhanced about more than once, catch survival rate and temporarily form motility rate more than 90%.
This apparatus structure is simple, and cost of manufacture is cheap, there is good application value, can be widely applied to Sungkiang weever
And the efficient lossless wound of the small-sized benthic fishes such as sleeper fish, goby catches.
Description of the drawings
Fig. 1 is trap setting overall structure diagram of the present invention.
Fig. 2 is that plot structure schematic diagram is besieged in trap setting of the present invention inside.
Fig. 3 is the single wire mesh cage structures schematic diagram of trap setting of the present invention.
Specific embodiment
First, flexible artificial aquatic weed makes
The making of flexible pasture and water adopts pressing mold injection moulding process, is first the mould for making flexible pasture and water, is then carried out using mould
The batch making of plastic products.In order to reduce artificial aquatic weed cost of manufacture, plastics can select former made by the plastic products of recovery
Material, but must assure that nontoxic.The artificial aquatic weed flexibility being fabricated to has certain requirement, in the case of fixing at one end, separately
It is not in the phenomenons such as fracture that the amplitude of fluctuation of one end interlocks more than 90 degree, from beginning to end.
In artificial aquatic weed manufacturing process, the making of plug and jack is very crucial, should ensure plug and socket specification
Matching, can be easily plugged into very much, ensure there is certain fastness after insertion again, and the pasture and water of long-time immersion will not fall off.For
, in the design of plug and jack, making has similar barb spline structure for this, it is ensured that easily insertion, it is difficult to come off.
After Mold Making is finished, produced and processed by being molded lathe, the batch artificial aquatic weed head and the tail produced are put
Unanimously, bundled shape is wrapped up with rubber band, puts down ensuing connection work.Artificial aquatic weed need to be stored indoors, prevent the sun from exposing
Shine, affect service life.
2nd, flexible pasture and water connection
When single flexible pasture and water make, already provided with connection plug-in connecting device, the plug of artificial aquatic weed is big using head
Interior little design so that the pasture and water that insertion is entered have certain firmness, it is more difficult to come off.In actual mechanical process, according to
Catch object and seizure place to connect the flexible pasture and water of suitable density.Such as in the river that The turbulent river crashes its way through, the company of flexible pasture and water
Scooping out ought be more lax, prevents overstocked artificial aquatic weed to be difficult to fix；In relatively stable waters, the connection of flexible pasture and water
Can be more luxuriant, can so assemble more seizure objects, play more efficient seizure effect.
3rd, carcasing
The making of skeleton is made using mechanization mass, is broadly divided into the making of three big parts：Cuboid framework part,
Inlet part and spout member.Each part individually adopts one whole independent steel wire, then three parts assemblies are complete into one
Whole skeleton.The assembled junction of part is firm, it is difficult to come off.
4th, nylon wire parcel
After carcasing is good, needs carry out the parcel of nylon wire on skeleton, could so form netted besieging area.Nylon wire
Parcel is also divided into three pieces of mesh sheet, and cuboid mesh sheet parcel, entrance mesh sheet parcel and outlet mesh sheet parcel are finally combined in mesh sheet
Place is sutured, and forms a complete cylinder mould.
5th, weight is installed
After the completion of mesh sheet parcel, need that weight is installed in the downside of cylinder mould, it is ensured that whole trap setting sinks under water, and can not be light
It is easily mobile.It is material that weight is typically chosen cheap chad, and chad diameter 1-2cm can be along network bottom rectangle one
Circle is arranged, and chad is wrapped up using the mesh sheet of strip, is then stitched on cylinder mould.
6th, it is assembled into complete structure
Single independent cylinder mould is first made during making, backward four cylinder moulds a large netting cage is assembled into, is constituted whole
The inside besieging area of individual device.The inside besieging area of formation has 8 entrances, 8 outlets.Then artificial aquatic weed is arranged on into net
On cage skeleton, then buoy is enclosed, this completes the assembling of whole trap setting.After assembling terminates, needs are checked.Inspection
Firmly whether, whether mesh sheet has breakage in manufacturing process to look into the effect that junction.After passed examination, could be formed
One qualified seizure product.
7th, O＆M
The device is a kind of customization fishing gear, can be used all the year round, is fished for.By trap setting as pond, lake, river etc.
In water surface for aquaculture or natural water area, to pour out the fishes and shrimps of besieging every morning, select the catches for needing, it is not necessary to or not
Reach should being freeed for specification.If cultivation density is than larger in pond, one time catching amount is excessive, can shorten harvesting
Time, increase the frequency of harvesting, per 3-4 hours harvestings once, prevent in the string bag that fishes and shrimps density is excessive, be pressed against each other and injured
Or death by suffocation.
Trap setting will typically be drawn off the water surface using after two weeks, conscientiously be checked, see if there is it is run-down it
Place, such as leaky needs are repaired.The trap setting repaired is dried in the sun 1-2 days, prevents the moss life in pond
It is long, affect the swing of artificial aquatic weed.Every time during harvesting, it is stuck on net hole if any small fish shrimp, should takes out in time, prevents dead fish from blocking up
Plug net hole, affects current, causes anoxic.The trap setting that short time does not use, can be packed up on placement pond side, it is convenient with
When reuse.If long-time is not used, then need to pack up, clean and dry, warehouse is put into, to extend its service life.
Claims (7)
1. a kind of Sungkiang weever not damaged trap setting, it is characterised in that generally one netted rectangular structure, is divided into outside
Lure area and internal besieging area；Wherein, it is bifurcated filament that area is lured in outside, perches, gathers for luring Sungkiang weever to hide
Collection；It is porous network structure that area is besieged in inside, and is divided into multiple regions, for the besieging of Sungkiang weever, segmentation, capture,
Avoid mutually injury；Wherein：
First, area is lured in outside, main to include flexible artificial aquatic weed and the hole that is connected；
The flexible artificial aquatic weed, is racemosus using the form of simulation water unboiled water grass in profile positioned at the outermost of trap setting
The filament of wooden fork；
One end of flexible artificial aquatic weed has a slotting pin-shaped structure, and the other end has two jack structures, and latch shape is tied
Structure just coincide with slotting cavernous structure, can firmly be fitted together to and be integrated；Flexible artificial aquatic weed head and the tail are into insertion type connection so that
Artificial aquatic weed can be attached according to demand, extend to the length of needs；Two jacks knot of flexible artificial aquatic weed one end design
Structure so that aquatic-weed-shaped increases the dense degree of pasture and water into bifurcated, strengthens the hidden degree of trap setting；
Described to be connected hole for flexible artificial aquatic weed to be fixed on the inside besieging area of trap setting, its one end is circle
Structure, the other end is jack structure；Circle is used to be fixed on the internal mesh cage framework for besieging area, is used to assign on jack structure
Artificial aquatic weed；
2nd, it is internal to besiege area, mainly assembled by four cuboid cylinder moulds, the structure of single cuboid cylinder mould includes：Dictyosome,
Mesh cage framework, cylinder mould entrance, results outlet, weight and buoy；Wherein：
The mesh cage framework is used to support and mesh body, forms cuboid netting gear shape；
The cylinder mould entrance is circle, and outside is big, and the inside is little, has steel-wire carcass to be supported, and fish is easy to swim into and being difficult to
Swim out of, so that tuck seine is trapped in cylinder mould；Cylinder mould entrance has two, is arranged on two adjacent surfaces of cylinder mould side；When four solely
When vertical cylinder mould is combined into a big cylinder mould, its hole is just in outside；
Described to harvest outlet at two of cylinder mould, for collecting catches, the end for harvesting outlet is the receipts that company is worn by nylon rope
Structure is taken out, is put into when catching in water, the port is in closure state；When extracting cylinder mould results, unclamp nylon rope and open hole, obtain
Catch object；
The weight is fixed on skeleton along the circle of skeleton one, for finishing device to be sunk into the bottom, and fixed position relative,
Will not move in the case that current are little, be easy to the seizure of catches；
The buoy is suspended in the water surface, and is fixed on the top of trap setting by rope, for showing the position of trap setting.
2. Sungkiang weever not damaged trap setting according to claim 1, it is characterised in that the artificial water of the monolithic flexible
Grass is flat or cylindric, and color is light green, bottle green or black, and monomer length is 10-20cm, the diameter of cylindric pasture and water
For 1-3mm, the width of flat pasture and water is 5-10mm, and thickness is 0.5-1mm；Artificial aquatic weed materials'use environment-friendly type nylon or modeling
Material material makes.
3. Sungkiang weever not damaged trap setting according to claim 1, it is characterised in that the dictyosome materials'use one
The stainless steel steel wire of fixed rigidity and toughness, steel wire diameter is 0.5-2mm, and steel wire outside is enclosed with plastic sheath skin.
4. Sungkiang weever not damaged trap setting according to claim 1, it is characterised in that what the mesh cage framework was constituted
It is shaped as cuboid, long 50-100cm, wide 25-50cm, high 25-50cm.
5. Sungkiang weever not damaged trap setting according to claim 1, it is characterised in that the collar extension of the cylinder mould entrance
Footpath is 8-10cm, interior bore be telescopically adjustable structure, a diameter of 4-5cm.
6. Sungkiang weever not damaged trap setting according to claim 1, it is characterised in that the weight material adopts stone
Head or leadwork, are wrapped up when on mesh cage framework with mesh sheet.
7. Sungkiang weever not damaged trap setting according to claim 1, it is characterised in that the buoy selects foam
Block, unit of plastic or empty mineral water bottle material make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611212907.XA CN106614424A (en) | 2016-12-25 | 2016-12-25 | Efficient injury-free catching device for trachidermus fasciatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611212907.XA CN106614424A (en) | 2016-12-25 | 2016-12-25 | Efficient injury-free catching device for trachidermus fasciatus |
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| CN106614424A true CN106614424A (en) | 2017-05-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111264440A (en) * | 2020-03-24 | 2020-06-12 | 武汉市农业科学院 | Odontobutis obscura nest device |
| CN113796359A (en) * | 2021-09-11 | 2021-12-17 | 江苏苏中大地农业科技发展有限公司 | Trapping apparatus for crayfish is bred in rice field |
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