CN106386592A - Collection device and method of floating fish eggs - Google Patents
Collection device and method of floating fish eggs Download PDFInfo
- Publication number
- CN106386592A CN106386592A CN201610825748.4A CN201610825748A CN106386592A CN 106386592 A CN106386592 A CN 106386592A CN 201610825748 A CN201610825748 A CN 201610825748A CN 106386592 A CN106386592 A CN 106386592A
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- CN
- China
- Prior art keywords
- net
- water
- purse seine
- egg
- fish
- Prior art date
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- 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
Abstract
The invention provides a collection device of floating fish eggs. The collection device comprises a rack [3] fixed at the edge of a pond [1], wherein a gathering mechanism is mounted on the rack; at least one of two ends of a purse net [2] is connected onto the gathering mechanism; the rack is further equipped with a shaking device and a water flushing mechanism; the purse net is provided with a movable section, and two ends of the movable section are connected with other parts through a detachable type connection structure; the purse net is further provided with a bag-shaped net; and a net opening is larger than a circle surrounded by the movable section. Before gathering, the density of pond water is firstly adjusted, and the purse net is shaken and washed with water to remove the eggs stuck on the net and then is gathered; and finally, the removed movable section and the fish eggs are fished out by utilizing the bag-shaped net. Compared with the prior art, the invention provides a full-automatic operation type fish egg collection device; meanwhile, the damaged ratio of the fish eggs is greatly reduced due to collection, and the collection efficiency is greatly improved; and theoretically, all the fish eggs can be collected. In the aspect of operation, the purse net only needs to be gathered, shaken and washed with the water, and the power consumption is much less than that of pumping all the water from the pond or enabling the water to flow for a period of time.
Description
Technical field
The present invention relates to a kind of collection device of buoyancy fish-egg and collection method, buoyancy fish-egg according to the present invention is
Buoyancy, including the ovum of the non-stickiness aquatic animal of half buoyancy.
Background technology
In industrial seedling rearing cultivation, the ovum that parent population is produced is sent to hatchery in time and is hatched, and makes different time
The ovum being produced is not hatched in same pond, reduces autotomy.Different collection methods are had for fish-egg of different nature, for floating
Property ovum all dragged for the string bag in the past, later using the filtration that discharges water, still later with water pass through water channel, water channel sets net filter
Ovum.But although these methods progressively alleviate muscle power but power consumption is more and more big.In addition, it is impaired in order to ensure parent population
Evil, is not generally possible to all disposably exclusion filtrations of whole water, and can only be to filter this property when filling, therefore, can not keep away
There is the ovum slipped through the net in a large number with exempting from.
As Chinese invention patent ZL201010239746.X " collection facility of industrial aquaculture buoyant egg and method " " it
Equipment constitutes inclusion：Water inlet pipe, drainpipe, anti-overflow drainpipe, glass fibre reinforced plastic groove and buoyant egg collect net cage.Its using method
It is：Breeding water flows into culturing pool by water inlet pipe, forms gentle water surface circulation in pond, drives buoyant egg to pass through drainpipe
The buoyant egg entering outside pond is collected in net cage.Buoyant egg collects the bolting silk that cage netting is 260 300 mesh, positioned at glass fibre reinforced plastic groove
Interior, buoyant egg is intercepted by etting and is collected in net cage, and water is discharged by glass fibre reinforced plastic groove drainpipe.In order to prevent culturing pool
Excessive pond, is provided with anti-overflow drainpipe by culturing pool internal drainage pipe, and its pond inner spout is higher than pool inner water face but is less than pool wall highest
Highly, pond outer spout is located at buoyant egg and collects in net cage.”
And for example Chinese invention patent ZL201110232454.8 " a kind of automatic collection device for semi-floating fish eggs " " includes quarter bend
Pipe, suspension strop, mesh bag and gas tube, described right-angle elbow pipe is suspended in spawning pond by suspension strop, and suspension strop ties up to quarter bend
The bending place of pipe；Described right-angle elbow pipe includes vertical segment and horizontal segment, and the lower end of vertical segment is provided with a weight, to ensure vertical segment
It is in vertical state in suspension status；Described mesh bag oral area is enclosed within the rear end of horizontal segment and is tightened by tiing up rope；Described inflation
Pipe certain length in the bending place of right-angle elbow pipe insertion vertical segment." this device operation in when " when having gas to be filled with, gas energy
Enough discharges bottom-up in vertical segment, and drive the bottom-up flowing of water body, so that partly floating on the embryonated egg in water body
Bottom-up flow and enter mesh bag.”
Above-mentioned two pieces is all partly leaching fish-egg.Therefore, the collection device of current buoyancy fish-egg is all dynamic to be consumed greatly
The defect low with collection rate.
In the cleaning of sea surface oil stain, need to use a kind of oil fence to prevent oil reservoir from further expanding, it is to float on water
Face simultaneously surrounds a kind of strap means of circle.Also there is a kind of purse seine in fishery fishing operation, it is a kind of long and narrow rectangle net, make
During industry, capture fish is played at two ends after surrounding the fish in water.The oil fence or purse seine are all tightened up by draw-gear and are made to be surrounded by these
Range shorter, be easy to next step operation.But these apparatus structures are huge, draw-gear is on the water surface, it is desirable to have relatively
It is waterborne that the big water surface makes the pendant bottom code insurance of purse seine etc. stay.Although other buoyant egg does not have stickiness, also can be bonded at online, directly
Connect with draw-gear traction can make because purse seine is extruded when related fish-egg be also extruded and impaired.
Widely use the gathering mechanism for receiving cloth in textile industry, a kind of is drum-type, also one kind is folding
Stacked, they are all the mechanisms equably being drawn in cloth from the form stretching.
Content of the invention
For drawbacks described above, the technical problem to be solved is how thoroughly will be disposable for the fish-egg in pond
Collect and totally and do not hurt parent population, thus providing a kind of collection device of buoyancy fish-egg with reference to the string bag for purse seine and collection side
Method.
The collection device of the buoyancy fish-egg that the present invention provides, by enclosing of being made up of exaggerated, infraclass and long and narrow rectangle etting
Net, wherein exaggerated connection float, infraclass connects weight；There is the frame being fixed on pool side, frame is provided with receipts net device, receives net
Device has purse seine gathering mechanism, and in purse seine two ends, at least one end is connected on the gathering mechanism received in net device, receives net device also
There are shaker mechanism and flushing mechanism, shaker mechanism has the dither arm of reciprocally swinging, dither arm is clamped in the company of purse seine with roller
It is connected on one end of gathering mechanism, flushing mechanism has the water jet according to the arrangement of etting width, the current of ejection point to and enter shake
Etting before roller；Described etting has the active segment that two ends are connected with other parts through detachable connection structure, separately has one
Pocketed net, the circle that network interface surrounds more than active segment.
Ovum is impaled with purse seine and draws in, then with pocketed net, ovum dragged for by the collection method of the buoyancy fish-egg that the present invention provides
Rise；First regulating reservoir water density wherein before drawing purse seine in, and confirm that water density has completed to adjust, in pond, half has floated fish-egg
All float on the surface of the water；Ovum is impaled and draws in by described purse seine is first purse seine to form a circle along pool wall, restarts receipts net device,
While shaking etting, wash by water to etting, purse seine is drawn in by gathering mechanism；It is in purse seine circle that described pocketed net picks up ovum
Carry out when being drawn in remaining active segment, first take off the connection of active segment and other parts, reuse pocket shape net and use below purse seine
The purse seine taken off is picked up outside active segment by network interface pocket together with fish-egg.
The collection device of buoyancy fish-egg and collection method that the present invention provides, apply purse seine technology, in regulating reservoir water density
Fish-egg is made to put together by drawing purse seine on the premise of so that ovum is all bubbled through the water column.The present invention also draws in purse seine and installs on end
Shake and water injector, make net obtain shake and simultaneously by water impact, so that stick at online ovum to be departed from entrance water
Body, it is to avoid receive damages to fish-egg for the network process.Again active segment is departed from other nets after gathering, finally picked up with blanket net and complete
Collect.Compared with prior art, the invention provides a kind of can be with the fish-egg collection device of full automatic working, fish-egg is because receiving simultaneously
Collection and impaired ratio declines to a great extent, collection efficiency is substantially increased, and is theoretically obtainable whole fish-eggs and is collected.And running
On only need to draw purse seine in and drive shaker mechanism and flushing mechanism, its power consumption drain than by whole water or flow one section when
Between want much less.
The structure of described gathering mechanism is a drive roll and a driven voller, and etting folds traction volume one wherein by two rollers
On roller, driven voller axle bed is arranged in frame through elongated hole and spring, and initiative roll shaft is pointed in elastic force direction, makes etting driven after being involved in
Roller gradually expands relative to the wheelbase of drive roll and accommodates etting.
One end of the dither arm of described reciprocally swinging coaxial with drive roll in the form of only tooth gear cooperation, dither arm with
Back-moving spring is installed between frame, so that drive roll is rotated can make dither arm pendulum make and number of teeth same number on gear for one week
Reciprocally swinging.
Described flushing mechanism is the fixing axle installing roller, and described fixing axle is hollow shaft, and hollow axial wall has row
Hole, hole is provided with jet pipe, and within roller external diameter, roller widths are less than nozzle space to jet pipe nozzle exit area, and roller is arranged on
Between two jet pipes.
Described gathering mechanism has two, and purse seine two ends are respectively connected with a gathering mechanism, and two gathering mechanisms are respectively through each
Transmission mechanism be connected to motor.
Brief description
Fig. 1 is the top view of one embodiment of the invention, and Fig. 2 is the enlarged drawing of region I in Fig. 1, in figure：1- pond, 2- purse seine,
3- frame, 4- driven voller, 5- gear, 6- drive roll, 7- roller, 8- swing arm, 9- axle.
Specific embodiment
1st, as shown in Figure 1, 2, at a nearly angle in pond 1, a frame 3 is installed, frame is provided with a drive roll 6 and a pair
Driven voller 4, initiative roll shaft connects motor through transmission mechanism.Driven voller is installed through elongated slot, and the center line of elongated slot length direction is crossed actively
Roll shaft, and have the direction that spring points to drive roll with elastic force to be arranged between driven voller and frame, make driven voller be pressed in master all the time
On dynamic roller.It is provided with clamping plate on driven voller cylinder, stir clamping plate and clamping can be put in mesh sheet end.Purse seine 2 is with a height as 25cm
Rectangle mesh sheet and exaggerated, infraclass composition, wherein go up infraclass through plastics thin hook hook on etting outermost one row's mesh, exaggerated be
The plastic flexible pipe of inflation, and infraclass is iron wire chain.Have in the middle of mesh sheet a segment length be 3m active segment, active segment two ends and other
Part is connected with chain link.One gear 5 is provided with initiative roll shaft, in frame, warp beam 9 is provided with swing arm 8, swing arm also through with
The spiral spring making back-moving spring is connected with moving frame, swing arm one end to be buckled on gear with gear flute profile identical monodentate, when
When drive roll rotates, gear and spiral spring cooperation make swing arm reciprocally swinging.It is solid that the swing arm other end is provided with a pair roller 7
Dead axle, wheelbase is identical with roller diameter, and roller makes for elastomeric material.Fixing axle is a hollow shaft, equidistantly has row thereon
Hole is simultaneously connected to a horizontal jet pipe, and nozzle exit points within roller external diametrical extent and will enter the mesh sheet of roller, hollow shaft one end
Connect water pump through water pipe.Roller is arranged on through being rotatably assorted in fixing axle between jet pipe.Reel is also equipped with frame be used for
Collect infraclass, be provided with mesh sheet is by the position of entrance roller and separate roller bearing up and down, roller bearing is horizontally disposed at and has divided
From mesh sheet and upper infraclass between.Have a pocketed net, net gap perimeter is more than 3m.
During use, first with water density in concentrated seawater regulating reservoir, first by purse seine edge after waiting determination fish-egg all to float on the surface
Pool side impales, and first the upper infraclass at mesh sheet two ends is departed from mesh sheet, mesh sheet end is clipped in after between swing arm one pair roller
On driven voller, upper infraclass is tied up on reel respectively, and so that separation roller bearing is between guiding principle and mesh sheet.Start motor and water pump,
Reel, drive roll rotates to rotate through pressure-driven driven voller makes mesh sheet roll up on driven voller, drives swing arm to produce through gear simultaneously
Life is shaken and water is sprayed on mesh sheet two sides jet pipe, sprays lower with this by the fish-egg being bonded at thereon or trembles down.Upper infraclass is at roller bearing
Break off relations with mesh sheet, be subsequently involved in reel.When receiving at slide fastener, active segment is taken off and by blanket net from the bottom up by mesh sheet and its
Middle enclosed ovum integrally picks up.
The 2nd, a set of gathering mechanism is mounted with frame, the two ends of net are all fixed in frame, gathering mechanism is a rocking arm,
A pair of roller is provided with arm, roller is distributed in the two sides of net after being located at dither arm upper roller.Have in frame positioned at rocking arm pendulum
Hook in dynamic end positions, the height of hook and exaggerated position are with hook end part is connected with hook rear portion with hinge and spring.When will receive
When holding together start rocking arm, during rocker arms roll because one end fixes will net pull, exaggerated when shaking at hook its front end is pressed to inner folding,
And shake to spring during the other end make hook front end reset thus exaggerated catching on is made net be pulled, go round and begin again the most at last net move to
Len req.
The 3rd, a set of gathering mechanism is installed on frame, the other end is buckled on carry-over pinch rolls, the tooth through roll surface for the carry-over pinch rolls is joined with mesh
Close traction.There is fold mechanism after carry-over pinch rolls by net folding, before carry-over pinch rolls, have shaker mechanism and flushing mechanism.
Claims (6)
1. a kind of collection device of buoyancy fish-egg, by the purse seine being made up of exaggerated, infraclass and long and narrow rectangle etting, wherein exaggerated
Connect float, infraclass connects weight；It is characterized in that there is the frame being fixed on pool side, frame is provided with receipts net device, receive net dress
It is equipped with purse seine gathering mechanism, in purse seine two ends, at least one end is connected on the gathering mechanism received in net device, receive net device and also have
Shaker mechanism and flushing mechanism, shaker mechanism has the dither arm of reciprocally swinging, and dither arm is clamped in the connection of purse seine with roller
On one end of gathering mechanism, flushing mechanism has the water jet according to the arrangement of etting width, and the current of ejection point to and enter shake rolling
Etting before wheel；Described etting has the active segment that two ends are connected with other parts through detachable connection structure, separately has a pocket
Shape net, the circle that network interface surrounds more than active segment.
2. ovum is impaled with purse seine and draws in by the collection method of buoyancy fish-egg as claimed in claim 1, then with pocketed net ovum
Pick up；It is characterized in that first regulating reservoir water density before drawing purse seine in, and confirm that water density has completed to adjust, half floating fish in pond
Ovum all floats on the surface of the water；Ovum is impaled and draws in by described purse seine is first purse seine to form a circle along pool wall, restarts receipts
Net device, draws purse seine in by gathering mechanism while shaking etting, wash by water to etting；Described pocketed net ovum is picked up be
Purse seine circle is drawn in to be carried out during remaining active segment, first disengages the connection of active segment and other parts, reuses pocket shape net from enclosing
The purse seine taken off is picked up together with fish-egg outside active segment by side off the net with network interface pocket.
3. the collection device of buoyancy fish-egg as claimed in claim 1, is characterized in that the structure of described gathering mechanism is an active
Roller and a driven voller, etting folds traction by two rollers and rolls up wherein on a roller, and driven voller axle bed is installed through elongated hole and spring
In frame, initiative roll shaft is pointed in elastic force direction.
4. the collection device of buoyancy fish-egg as claimed in claim 3, is characterized in that one end of the dither arm of described reciprocally swinging
Coaxial with drive roll gear cooperation in the form of only tooth, is provided with back-moving spring between dither arm and frame, so that drive roll is turned
The dynamic reciprocally swinging that can make dither arm pendulum work and number of teeth same number on gear for a week.
5. the collection device of the buoyancy fish-egg as described in claim 1 or 3, is characterized in that described water spraying mechanism is to install roller
Fixing axle, described fixing axle is hollow shaft, and hollow axial wall has a row hole, and hole is provided with jet pipe, and jet pipe nozzle exit area exists
Within roller external diameter, roller widths are less than nozzle space, and roller is arranged between two jet pipes.
6. the collection device of buoyancy fish-egg as claimed in claim 5, is characterized in that described gathering mechanism has two, purse seine two ends
Respectively it is connected with a gathering mechanism, two gathering mechanisms are connected to motor through respective transmission mechanism respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825748.4A CN106386592B (en) | 2016-09-18 | 2016-09-18 | The collection device and collection method of buoyancy fish-egg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825748.4A CN106386592B (en) | 2016-09-18 | 2016-09-18 | The collection device and collection method of buoyancy fish-egg |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106386592A true CN106386592A (en) | 2017-02-15 |
| CN106386592B CN106386592B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610825748.4A Active CN106386592B (en) | 2016-09-18 | 2016-09-18 | The collection device and collection method of buoyancy fish-egg |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108812454A (en) * | 2018-06-25 | 2018-11-16 | 贵州龙源冷水渔业有限公司 | A kind of sturgeon artificial insemination system |
| CN109834071A (en) * | 2019-04-03 | 2019-06-04 | 临高海丰养殖发展有限公司 | Deep sea net cage cleaning device |
| CN114847198A (en) * | 2022-04-26 | 2022-08-05 | 江苏省海洋水产研究所 | Floating fish egg continuous collection device and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1398784A1 (en) * | 1986-07-09 | 1988-05-30 | Восточно-Сибирский Научно-Исследовательский И Проектно-Конструкторский Институт Рыбного Хозяйства | Arrangement for spawning fish |
| CN201216119Y (en) * | 2008-07-01 | 2009-04-08 | 上海市嘉定区水产技术推广站 | Automatic apparatus for collecting fish-egg |
| CN203027938U (en) * | 2013-01-20 | 2013-07-03 | 浙江省海洋水产研究所 | Fishing net used for fish collection in culture pond |
| CN203296027U (en) * | 2013-05-10 | 2013-11-20 | 扬州三江环安设备厂 | Adjustable oil fence |
| KR20140012412A (en) * | 2012-07-20 | 2014-02-03 | 조용현 | The device which gather eggs of crustacea |
| CN204350896U (en) * | 2014-12-08 | 2015-05-27 | 上海海洋大学 | Mesh sheet can draw type drift artificial fish-aggregating device in |
-
2016
- 2016-09-18 CN CN201610825748.4A patent/CN106386592B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1398784A1 (en) * | 1986-07-09 | 1988-05-30 | Восточно-Сибирский Научно-Исследовательский И Проектно-Конструкторский Институт Рыбного Хозяйства | Arrangement for spawning fish |
| CN201216119Y (en) * | 2008-07-01 | 2009-04-08 | 上海市嘉定区水产技术推广站 | Automatic apparatus for collecting fish-egg |
| KR20140012412A (en) * | 2012-07-20 | 2014-02-03 | 조용현 | The device which gather eggs of crustacea |
| CN203027938U (en) * | 2013-01-20 | 2013-07-03 | 浙江省海洋水产研究所 | Fishing net used for fish collection in culture pond |
| CN203296027U (en) * | 2013-05-10 | 2013-11-20 | 扬州三江环安设备厂 | Adjustable oil fence |
| CN204350896U (en) * | 2014-12-08 | 2015-05-27 | 上海海洋大学 | Mesh sheet can draw type drift artificial fish-aggregating device in |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108812454A (en) * | 2018-06-25 | 2018-11-16 | 贵州龙源冷水渔业有限公司 | A kind of sturgeon artificial insemination system |
| CN109834071A (en) * | 2019-04-03 | 2019-06-04 | 临高海丰养殖发展有限公司 | Deep sea net cage cleaning device |
| CN114847198A (en) * | 2022-04-26 | 2022-08-05 | 江苏省海洋水产研究所 | Floating fish egg continuous collection device and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN106386592B (en) | 2019-04-05 |
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