CN104982351B - Hairtail parent and roe collection apparatus - Google Patents
Hairtail parent and roe collection apparatus Download PDFInfo
- Publication number
- CN104982351B CN104982351B CN201510295057.3A CN201510295057A CN104982351B CN 104982351 B CN104982351 B CN 104982351B CN 201510295057 A CN201510295057 A CN 201510295057A CN 104982351 B CN104982351 B CN 104982351B
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- CN
- China
- Prior art keywords
- mesh
- cylinder mould
- netted interlayer
- parent
- fish roe
- 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.)
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- 241001125843 Trichiuridae Species 0.000 title abstract 5
- 239000011229 interlayer Substances 0.000 claims abstract description 68
- 241000616933 Trichiurus haumela Species 0.000 claims description 57
- 241000251468 Actinopterygii Species 0.000 claims description 41
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 210000004602 germ cell Anatomy 0.000 description 4
- 239000010410 layer Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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
- A01K73/00—Drawn nets
- A01K73/02—Trawling nets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The invention discloses a hairtail parent and roe collection apparatus, which aims to provide a hairtail parent and roe collection apparatus capable of collecting roes of hairtail parent, and comprises a cylinder-shaped mesh cage, wherein an opening is opened on an upper end of the mesh cage and a low end of the mesh cage is sealed; a mesh-shaped interlayer is set in the middle of the mesh cage; the mesh sieve size of the mesh cage above the mesh-shaped interlayer is larger than the mesh sieve size of the mesh cage below the mesh-shaped interlayer; a mesh cage inner cavity above the mesh-shaped interlayer is used to form a hairtail collecting cavity; and a mesh cage inner cavity below the mesh-shaped interlayer is used to form a roe collecting cavity.
Description
Technical field
The present invention relates to a kind of finishing device, and in particular to a kind of Trichiurus haumela parent and fish roe for fishing for Trichiurus haumela collects dress
Put.
Background technology
Trichiurus haumela, be a kind of cluster in the warm warm nature species of near-bottom, distributed more widely, catch is higher, is that East China Sea region is important
Tuna fisheries and one of fishery harvesting object；Trichiurus haumela is also unique tradition that can form larger fishing season in the East Sea " four big fishery " simultaneously
Fished species, occupy critical role in fish production, are the pillar products of East Sea fishery.The ups and downs with fish resource are in certain journey
Degree co-relation stablizing to East China Sea region Marine Fishing Industry.
In recent years, as continuous high intensity is fished for, cause Trichiurus haumela stock number to decline, destroy the balance of Trichiurus haumela its population
Ability.In view of critical role of the Trichiurus haumela in the marine fishery production of East China Sea region, the artificial cultivation of Trichiurus haumela becomes solution Trichiurus haumela money
Source amount declines the main path of a difficult problem.During Trichiurus haumela artificial cultivation is bred, Trichiurus haumela parent is mainly fished for by fishery
Production is obtained；But catching net of the prior art have corresponding fish roe collection device, and during netting gear hauling band
The excessive extruding force that fish parent is subject to, can not only cause Trichiurus haumela parent mortality rate higher, and the germ cell of Trichiurus haumela parent is because receiving
It is lost in extruding, it is impossible to gather fish roe, this also brings certain difficulty for the artificial cultivation of Trichiurus haumela.
The content of the invention
The first object of the present invention is to overcome catching net of the prior art that not there is corresponding fish roe to collect dress
A kind of problem put, there is provided the Trichiurus haumela parent and fish roe collection device of fish roe that can collect Trichiurus haumela parent.
Second purpose of the present invention on the basis of the first purpose is to overcome catching net of the prior art in hauling
When Trichiurus haumela it is pressurized big, not only so that Trichiurus haumela parent mortality rate is higher, and the germ cell of Trichiurus haumela parent is lost in because being squeezed
Problem；One kind is provided the Trichiurus haumela in hauling can be effectively improved because of catching net while fishing boat towrope resistance is not increased
It is pressurized big, and the band of the problem that caused Trichiurus haumela parent mortality rate is higher and germ cell of Trichiurus haumela parent is lost in because being squeezed
Fish parent and fish roe collection device.
The technical scheme is that：
A kind of Trichiurus haumela parent and fish roe collection device, including columnar cylinder mould, the upper end open of cylinder mould, lower end closed,
Netted interlayer is provided with the middle part of the cylinder mould, the size of mesh of the cylinder mould above netted interlayer is more than the cylinder mould below netted interlayer
Size of mesh, the cylinder mould inner chamber above netted interlayer form Trichiurus haumela collecting chamber, and the cylinder mould inner chamber below netted interlayer forms fish roe
Collecting chamber.
The size of mesh of the cylinder mould below the netted interlayer of this programme is less, and the cylinder mould inner chamber below netted interlayer can be formed
Fish roe collecting chamber；The fish roe in Trichiurus haumela parent at extruding can be collected during hauling by fish roe collecting chamber.
Preferably, the mesh of cylinder mould assumes diamond in shape, the size of mesh of the cylinder mould above netted interlayer is 35x35 millimeters, net
The size of mesh of the cylinder mould below shape interlayer is 0.5x0.5 millimeters.
Preferably, netted interlayer is made up of fishing net, and netted interlayer is gradually reduced from top to bottom in cross-sectional area
Funnel-form；The slow extruding of Trichiurus haumela parent and fish roe collection device are provided with the middle part of the lower surface of the cylinder mould, the Trichiurus haumela parent is slow to be squeezed
Pressure and fish roe collection device include the one end open being arranged on cylinder mould, and other end closing receiver is extensible to be accommodated in
Inflating air pouch and gas tube in case, the opening of the receiver towards netted interlayer, described gas tube one end with fill
Gas gasbag is connected；After inflating air pouch inflation, inflating air pouch presents end opening, the cylindrical shape gas of lower end closed
Pouch, and the bottom of netted interlayer is in cylindrical shape gasbag.
During fishing boat towing, inflating air pouch is accommodated in receiver to the Trichiurus haumela parent and fish roe collection device of this programme
It is interior, thus can hardly increase fishing boat towrope resistance during fishing boat towing.Before hauling, by gas tube to inflating air
Pouch is inflated so as to expanded；After inflating air pouch inflation, inflating air pouch presents end opening, the cylinder of lower end closed
Shape gasbag, can store a part of sea water so during hauling in cylindrical shape gasbag；And the now bottom of netted interlayer
In cylindrical shape gasbag, i.e., the Trichiurus haumela parent in netted interlayer is located in sea water, when so can be significantly reduced hauling
Extruding to Trichiurus haumela parent, it is ensured that the collecting effect of the survival rate and fish roe of Trichiurus haumela parent；Even if a part of fish roe is extruded
The good Collection and conservation of cylindrical shape gasbag can be passed through.
Preferably, cylinder mould includes mesh cage framework, the receiver is fixed on mesh cage framework.
Preferably, the cylinder mould lateral surface below netted interlayer is provided with a circle metal supporting network.
Preferably, cylinder mould includes mesh cage framework and is fixed on fishing net body on mesh cage framework, the net of the netted interlayer
Mesh is smaller in size than the size of mesh of the cylinder mould above netted interlayer, and the cylinder mould above the netted interlayer is provided with for adjusting net
The mesh adjusting means of the mesh size of cage, the mesh adjusting means include some airbag apparatus, and are located above netted interlayer
Fishing net body each mesh edge netting twine on be equipped with airbag apparatus described at least one, the airbag apparatus include set
The installing pipe being located on netting twine and the annular air-pocket bag being set in outside installing pipe, and annular air-pocket bag is fixedly connected on installing pipe
On, all annular air-pocket bags of the mesh adjusting means are interconnected by connecting tube, at least one in each annular air-pocket bag
Individual annular air-pocket bag is provided with and fills exhaust nozzle.
As the mesh size of current netting gear is all generally specific standard, thus fishing for the band of different size specification
During fish, the fishing net using different mesh sizes is needed；This needs Jing often to change netting gear for the fishing operation for changing at any time
Not only in-convenience in use, also increase quantity, the cost of netting gear.The Trichiurus haumela parent and fish roe collection device of this programme can be effective
Solve this problem.As the size of mesh of netted interlayer is less than the size of mesh of the cylinder mould above netted interlayer, while netted
Cylinder mould above interlayer is provided with for adjusting the mesh adjusting means of the mesh size of cylinder mould；So can be by annular gas
The gas in annular air-pocket bag is inflated or is discharged in pouch, reaches the mesh of the mesh size for adjusting the cylinder mould above netted interlayer
's；So when the Trichiurus haumela of different size specification is captured, can be without changing netting gear.
Preferably, the mesh of netted interlayer assumes diamond in shape, the size of mesh of netted interlayer is 10x10 millimeters, the fishing net
The mesh of body assumes diamond in shape, and the size of mesh of the fishing net body above netted interlayer is 40x40 millimeters.
Preferably, annular air-pocket bag is cylindrical.
Preferably, the net of upper and lower ends opening is provided with the upper end open of cylinder mould, the net upper port edge with
The upper end open edge connection of cylinder mould, the cross-sectional area of net are gradually reduced from top to bottom.This programme structure can be prevented effectively from net
The problem that Trichiurus haumela escapes in cage.
The invention has the beneficial effects as follows：The fish roe of Trichiurus haumela parent can not only be collected；And can drag fishing boat is not increased
While draging resistance, it is pressurized big to be effectively improved because of catching net the Trichiurus haumela in hauling, and caused Trichiurus haumela parent mortality rate is higher
And the problem that the germ cell of Trichiurus haumela parent is lost in because being squeezed.
Description of the drawings
Fig. 1 is a kind of structural representation of the Trichiurus haumela parent and fish roe collection device of embodiments of the invention 1.
Fig. 2 is a kind of structural representation of the Trichiurus haumela parent and fish roe collection device of embodiments of the invention 2.
Fig. 3 is the Trichiurus haumela parent and fish roe collection device after the inflating air pouch inflation of embodiments of the invention 2
A kind of structural representation.
Fig. 4 is a kind of partial structural diagram of the fishing net body of embodiments of the invention 3.
It is partial enlarged drawing at middle A that Fig. 5 is Fig. 4.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Embodiment 1, as shown in figure 1, a kind of Trichiurus haumela parent and fish roe collection device include columnar cylinder mould 1.Cylinder mould
Upper end open, lower end closed.Pull rope 5 is provided with the upper end open of cylinder mould.Cylinder mould includes mesh cage framework and is fixed on cylinder mould spiders
Fishing net body 2 on frame.Netted interlayer 3 is provided with the middle part of cylinder mould.The size of mesh of the cylinder mould above netted interlayer is more than netted interlayer
The size of mesh of the cylinder mould of lower section.In the present embodiment, the mesh of cylinder mould is the mesh of fishing net body.The mesh of cylinder mould is in Pedicellus et Pericarpium Trapae
Shape, the i.e. mesh of fishing net body assume diamond in shape.The size of mesh of the cylinder mould above netted interlayer is 35x35 millimeters.Under netted interlayer
The size of mesh of the cylinder mould of side is 0.5x0.5 millimeters.Cylinder mould inner chamber above netted interlayer forms Trichiurus haumela collecting chamber 1a.It is netted every
The cylinder mould inner chamber of layer lower section forms fish roe collecting chamber 1b.The net 4 of upper and lower ends opening is provided with the upper end open of cylinder mould.Net
Upper port edge is connected with the upper end open edge of cylinder mould, and the cross-sectional area of net is gradually reduced from top to bottom.
Embodiment 2, with reference to embodiment 1, its difference is remaining structure of the present embodiment：
As shown in Figure 2 and Figure 3, netted interlayer 3 is made up of fishing net, and netted interlayer in cross-sectional area from top to bottom by
Decrescence little funnel-form.The slow extruding of Trichiurus haumela parent and fish roe collection device 6 are provided with the middle part of the lower surface of cylinder mould.The Trichiurus haumela parent delays
Extruding and fish roe collection device include the one end open being arranged on cylinder mould, other end closing receiver 61, extensible storage
Inflating air pouch 63 and gas tube 62 in the receiver.Receiver is fixed on mesh cage framework.The opening direction of receiver
Netted interlayer.Gas tube one end is connected with inflating air pouch, and the other end is up extended on pull rope along cylinder mould outer surface, and
Up extend along pull rope.Gas tube is connected with cylinder mould lateral surface and pull rope by band.Cylinder mould below netted interlayer
Lateral surface is provided with a circle metal supporting network.
As shown in figure 3, after inflating air 63 inflation of pouch, inflating air pouch presents end opening, the circle of lower end closed
Tubular gasbag, and the bottom of netted interlayer 3 is in cylindrical shape gasbag.
Embodiment 3, with reference to embodiment 1 or embodiment 2, its difference is remaining structure of the present embodiment：
Size of mesh of the size of mesh of netted interlayer 3 less than the cylinder mould above netted interlayer；In the present embodiment, it is netted every
The mesh of layer assumes diamond in shape.The size of mesh of netted interlayer is 10x10 millimeters.The mesh chi of the fishing net body 2 above netted interlayer
It is very little for 40x40 millimeters.
As shown in Figure 4, Figure 5, the cylinder mould above netted interlayer is provided with and adjusts for the mesh for adjusting the mesh size of cylinder mould
Regulating device.The mesh adjusting means includes some airbag apparatus 7, and each mesh of the fishing net body 2 above netted interlayer
The airbag apparatus 7 being equipped with the netting twine 22 at 21 edges described at least one.Airbag apparatus include the installation being set on netting twine
Pipe 73 and the annular air-pocket bag 71 being set in outside installing pipe, and annular air-pocket bag is fixedly connected in installing pipe.Mesh adjusts dress
The all annular air-pocket bags put are interconnected by connecting tube.In each annular air-pocket bag, at least one annular air-pocket bag is provided with
Fill exhaust nozzle.Annular air-pocket bag is cylindrical.Balancing weight 72 is provided with each annular air-pocket bag, and the gravity of balancing weight is more than or equal to
Annular air-pocket bag is full of the buoyancy after air.（Annular air-pocket bag refers to the inflation of annular air-pocket bag, and expands completely full of air）.
Claims (8)
1. a kind of Trichiurus haumela parent and fish roe collection device, is characterized in that, including columnar cylinder mould, the upper end open of cylinder mould, under
End seal is closed, and netted interlayer is provided with the middle part of the cylinder mould, and the size of mesh of the cylinder mould above netted interlayer is more than below netted interlayer
Cylinder mould size of mesh, cylinder mould inner chamber above netted interlayer forms Trichiurus haumela collecting chamber, the cylinder mould inner chamber below netted interlayer
Form fish roe collecting chamber；
The netted interlayer is made up of fishing net, and the funnel-form that netted interlayer is gradually reduced from top to bottom in cross-sectional area；
The slow extruding of Trichiurus haumela parent and fish roe collection device are provided with the middle part of the lower surface of the cylinder mould, the slow extruding of the Trichiurus haumela parent and fish roe are received
Acquisition means include the one end open being arranged on cylinder mould, and the receiver of other end closing is extensible to be accommodated in receiver
Inflating air pouch and gas tube, the opening of the receiver is towards netted interlayer, described gas tube one end and inflating air pouch
It is connected；
After inflating air pouch inflation, inflating air pouch presents end opening, the cylindrical shape gasbag of lower end closed, and net
The bottom of shape interlayer is located in cylindrical shape gasbag.
2. a kind of Trichiurus haumela parent according to claim 1 and fish roe collection device, is characterized in that, the mesh of the cylinder mould is in
Rhombus, the size of mesh of the cylinder mould above netted interlayer is 35x35 millimeters, and the size of mesh of the cylinder mould below netted interlayer is
0.5x0.5 millimeters.
3. a kind of Trichiurus haumela parent according to claim 1 and fish roe collection device, is characterized in that, the cylinder mould includes cylinder mould
Skeleton, the receiver are fixed on mesh cage framework.
4. a kind of Trichiurus haumela parent according to claim 1 and fish roe collection device, is characterized in that, below the netted interlayer
Cylinder mould lateral surface be provided with a circle metal supporting network.
5. a kind of Trichiurus haumela parent according to claim 1 and fish roe collection device, is characterized in that, the cylinder mould includes cylinder mould
Skeleton and the fishing net body being fixed on mesh cage framework, the size of mesh of the netted interlayer is less than the net above netted interlayer
The size of mesh of cage, the cylinder mould above the netted interlayer are provided with and adjust dress for the mesh for adjusting the mesh size of cylinder mould
Put, the mesh adjusting means includes some airbag apparatus, and each mesh edge of the fishing net body above netted interlayer
The airbag apparatus being equipped with netting twine described at least one, the airbag apparatus include the installing pipe being set on netting twine and are arranged
Annular air-pocket bag outside installing pipe, and annular air-pocket bag is fixedly connected in installing pipe, the mesh adjusting means it is all
Annular air-pocket bag is interconnected by connecting tube, and in each annular air-pocket bag, at least one annular air-pocket bag is provided with and fills aerofluxuss
Mouth.
6. a kind of Trichiurus haumela parent according to claim 5 and fish roe collection device, is characterized in that, the net of the netted interlayer
Mesh assumes diamond in shape, and the size of mesh of netted interlayer is 10x10 millimeters, and the mesh of the fishing net body assumes diamond in shape, above netted interlayer
Fishing net body size of mesh be 40x40 millimeters.
7. a kind of Trichiurus haumela parent and fish roe collection device according to claim 5 or 6, is characterized in that, the annular air-pocket
Bag is cylindrical.
8. a kind of Trichiurus haumela parent and fish roe collection device according to claim 1 or 2 or 3 or 4 or 6, is characterized in that, described
The upper end open edge of the net of upper and lower ends opening, the net upper port edge and cylinder mould is provided with the upper end open of cylinder mould
Connection, the cross-sectional area of net are gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295057.3A CN104982351B (en) | 2015-06-02 | 2015-06-02 | Hairtail parent and roe collection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510295057.3A CN104982351B (en) | 2015-06-02 | 2015-06-02 | Hairtail parent and roe collection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104982351A CN104982351A (en) | 2015-10-21 |
| CN104982351B true CN104982351B (en) | 2017-04-19 |
Family
ID=54294370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510295057.3A Active CN104982351B (en) | 2015-06-02 | 2015-06-02 | Hairtail parent and roe collection apparatus |
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| Country | Link |
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| CN (1) | CN104982351B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106614150B (en) * | 2017-02-04 | 2023-09-01 | 四川省农业科学院水产研究所 | Parent fish fixing device |
| CN107027665B (en) * | 2017-06-07 | 2023-03-31 | 天津市水产研究所 | Accompanying collecting device for fish eggs in water body |
| CN108896352B (en) * | 2018-06-13 | 2020-08-14 | 浙江省海洋水产研究所 | Fixed-point monitoring method for marine fish eggs |
| CN109089980B (en) * | 2018-09-04 | 2021-01-05 | 浙江海洋大学 | Multifunctional integrated breeding system for egyptian copepods |
| CN109769759B (en) * | 2019-02-21 | 2021-05-18 | 浙江省海洋水产研究所 | Selective test net and method |
| CN111449016A (en) * | 2020-04-13 | 2020-07-28 | 中国水产科学研究院渔业机械仪器研究所 | Mesh specification adjustable gasbag formula fish pond net of preventing escaping |
| CN111869633B (en) * | 2020-05-25 | 2021-10-26 | 浙江海洋大学 | Rotary multi-net-bag trawl |
| CN112535138B (en) * | 2020-11-18 | 2022-04-19 | 浙江省海洋水产研究所 | Sebastes bastes seed seedling raising device |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
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|---|---|---|---|---|
| CN201957593U (en) * | 2010-12-30 | 2011-09-07 | 北京爱生科技发展有限公司 | Automatic egg collection cultivating tank for aquatic fishes |
| CN203555052U (en) * | 2013-07-01 | 2014-04-23 | 宁波大学 | Fishing net with fish classifying gathering device |
| CN203985657U (en) * | 2014-04-01 | 2014-12-10 | 徐州一统渔具有限公司 | Power ship fishing trawl |
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2015
- 2015-06-02 CN CN201510295057.3A patent/CN104982351B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201957593U (en) * | 2010-12-30 | 2011-09-07 | 北京爱生科技发展有限公司 | Automatic egg collection cultivating tank for aquatic fishes |
| CN203555052U (en) * | 2013-07-01 | 2014-04-23 | 宁波大学 | Fishing net with fish classifying gathering device |
| CN203985657U (en) * | 2014-04-01 | 2014-12-10 | 徐州一统渔具有限公司 | Power ship fishing trawl |
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| CN104982351A (en) | 2015-10-21 |
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