CN102948385A - Ricefield eel division device - Google Patents

Ricefield eel division device Download PDF

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Publication number
CN102948385A
CN102948385A CN2012104703295A CN201210470329A CN102948385A CN 102948385 A CN102948385 A CN 102948385A CN 2012104703295 A CN2012104703295 A CN 2012104703295A CN 201210470329 A CN201210470329 A CN 201210470329A CN 102948385 A CN102948385 A CN 102948385A
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China
Prior art keywords
swamp eel
casing
classification
classification grid
grid
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CN2012104703295A
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Chinese (zh)
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CN102948385B (en
Inventor
丁炜东
曹丽萍
曹哲明
邴旭文
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Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
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Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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Abstract

The invention provides a ricefield eel division device and belongs to the technical field of fishery mechanical devices. The ricefield eel division device comprises a box body and a classification grid and is characterized in that the box body is leaned forwards; the classification grid is arranged on the inner wall of the box body; the classification grid comprises a plurality of classification shafts which are arranged side by side along the horizontal direction; the classification shafts are fixed on a fixed rod; and the classification grid on the front wall of the box body and a bottom plate are respectively provided with ricefield eel output ports. The technical scheme is suitable for automatically classifying ricefield eel seeds; the ricefield eel division device is labor-saving and has high efficiency; the damage to ricefield eels can be greatly reduced; the working efficiency is improved; and the ricefield eel division device is suitable to use in the specification classification of the seeds when the ricefield eels are artificially cultured.

Description

A kind of swamp eel lattice device
Technical field
The invention provides a kind of swamp eel lattice device, belong to fishery machinery device technique field.
Background technology
Swamp eel (Monopterus albus) is commonly called as yellow eel, belongs to Osteichthyes, Symbranchir, closes gill section, Monopterus, extensively is present in Asia, and China only produces a kind.Its build is elongated, and shape is carnivorous predacious fish like snake or eel, and nutritive value is high.Seed required in present breeding process is mainly take wild resource as main, wild swamp eel seed mainly take artificial trapping as main, therefore there is situation not of uniform size, to select close just the propagating artificially of size under the seed before the cage culture, otherwise can be owing to not of uniform sizely killing each other, striving the food situation of eating, survival rate is low, culture benefit is poor thereby cause propagating artificially.
At present sorting swamp eel specification still rests on hand picking, and hand picking is time-consuming, effort, affect the problem of swamp eel survival rate, can not satisfy the seedling demand that eel is supported in scale, can not be the swamp eel sorting of professional etiquette lattice of advancing of going on the market.
Summary of the invention
The present invention is directed to hand picking in the prior art and be difficult to satisfy the technical problem that eel is supported in scale, a kind of device and implementation method of carrying out fast the classification of wild swamp eel seed size is provided, can efficiently obtain the consistent swamp eel seed of a large amount of specifications.Solve that existing hand picking is time-consuming, effort, affect the problem of swamp eel survival rate, thereby satisfy the seedling demand that eel is supported in scale, also can be the swamp eel sorting of professional etiquette lattice of advancing of going on the market.Adopt following technical scheme:
A kind of swamp eel lattice device comprises casing and classification grid, and it is characterized in that: casing leans forward, and the classification grid is set on the inwall of casing, and the classification grid comprises level to a plurality of grading shafts that are arranged side by side, and described grading shaft is fixed on the dead lever; In the classification grid place and base plate of casing antetheca, the swamp eel delivery outlet is set respectively.
Above-mentioned swamp eel lattice device is to use like this: at first, dead lever at the classification grid is laid grading shaft, and the size of screening as required swamp eel regulates the distance between the grading shaft, then grading shaft is fixed on the dead lever, and the classification grid is positioned in the casing.As required, a plurality of classification grids can be set in casing, the grading shaft spacing of upper strata classification grid is greater than the grading shaft spacing of the classification grid of lower floor.Next, swamp eel is poured into from the top of casing, larger-size swamp eel can be graded grid and stop, and the less swamp eel of size can be from the classification grid that falls into next stage between the grading shaft, and last, the swamp eel of reduced size can fall within on the base plate.Because casing is the state that the front portion is low, the rear portion is high; In addition, owing to offering the swamp eel delivery outlet in the position of the classification grid of casing front portion, like this, be graded grid and stop that lower swamp eel can be slowly to the anterior slip of casing, until shift out from the swamp eel delivery outlet; Equally, because the front portion of bottom half also offers the swamp eel delivery outlet, the swamp eel that falls at last on the base plate also can slowly slide to the front portion on base plate, leaves from the swamp eel delivery outlet at last.So just realized the screening of different size swamp eel.
For make casing present anterior low, the rear portion is high, can support member be set at bottom half, support member can adopt conventional Metallic rod, bonding jumper, batten etc., also can adopt the parts such as bolt, when adopting the bolt of adjustable length, the length of support member just can be regulated according to actual conditions, thereby obtains the angle that different casings tilts.This is more favourable in actual applications, because the angle of inclination of casing is different, the swamp eel speed that landing goes out from the classification grid is not identical yet, and the user just can regulate suitable angle of inclination parameter according to the actual conditions of each needs screening swamp eel, to obtain better screening effect; Than the support member of regular length, its range of application, adaptability are better.
For the connected mode of dead lever and grading shaft on the classification grid, adopt conventional dismountable mode that is fixedly connected with to get final product, can realize technical scheme of the present invention.Such as: mechanical grip, tie up, embed, be threaded etc.For guarantee to install have between rear dead lever and the grading shaft certain firmly, also can make installation, convenient disassembly simultaneously, as of the present invention one preferred, the end perforate of described grading shaft, dead lever inserts this Kong Zhongyu grading shaft socket, the grading shaft end is provided with one section internal thread, and bolt is fixed dead lever by screw.
As the further improved plan of the present invention, the cross section of grading shaft is circular, and cover has hollow pipe on the grading shaft.These hollow pipes can rotate around grading shaft, can be with respect to one adjacent therewith or each hollow pipe rotation, such benefit is: than fixing grading shaft, basic be can not stumble card or damage the body surface of swamp eel of the hollow pipe of rigidity, simultaneously can not block swamp eel yet, it is more easily gone to lower one deck classification grid, thus the classification of quick solution swamp eel size.
As the further preferred scheme of the present invention, the diameter of described grading shaft is 20mm; The internal diameter of described hollow pipe is 25mm.Adopt such modular construction and size, can make when the screening swamp eel, guarantee that the rotation of hollow pipe is flexible, the lattice process is more smooth, efficient is high and do not injure swamp eel.
As the further preferred scheme of the present invention, the classification grid in the described casing is 2, places up and down; Distance between the adjacent grading shaft of the classification grid on upper strata is 25mm, and the distance between the adjacent grading shaft of the classification grid of lower floor is 15mm.The individual lengths of the swamp eel that general wild individuality is larger is more than 60cm, and general body is wide more than 25mm, medium sized swamp eel, and the body wide 10mm~25mm that is generally, less Finless Eel Monopterus Albus diameter is all below 10mm.Adopt above-mentioned setting, the swamp eel screening can be large, medium and small three kinds of specifications, screening effect is good, rapid; The swamp eel that obtains is easy to cultivation, and survival rate is high, is particularly suitable for the sorting of wild swamp eel.
As the further improved plan of the present invention, the bottom of above-mentioned swamp eel delivery outlet is downward-sloping.Adopt such structure, convenient when swamp eel is skidded off from the swamp eel delivery outlet, also be beneficial to and externally place the container that receives.
As the further improved plan of the present invention, in the bottom of support member Universal pulley is installed.Swamp eel lattice device can more easily be moved.
As the further improved plan of the present invention, on the box location above the classification grid, be provided with water jet.Its effect is that water spray is lubricated swamp eel, can make screening more convenient, has also played the effect of cleaning simultaneously.
As the further improved plan of the present invention, the position of above-mentioned water jet is positioned at a side or the both sides of casing, and the scope of water spray can cover whole classification grid.Such setting can make the better effects if of water spray lubrication.
As the further improved plan of the present invention, a side higher at the casing upper position offers the swamp eel inlet port.Adopt such setting, can make swamp eel in order by the classification grid, in the process of sliding, the swamp eel that physique is larger is trapped, and the less swamp eel of physique constantly falls.In the time of can avoiding so directly falling down swamp eel from the casing top, the swamp eel of little physique is without sufficient slip, just along with the swamp eel of large physique is flowed out from the swamp eel delivery outlet.
As the further improved plan of the present invention, be provided with funnel in the bottom of grouping grid, the outlet of funnel is above lower floor's classification grid, near the position of the higher side of casing.Adopt such setting, when swamp eel falls from upper level classification grid, can drop on the higher end of next stage classification grid.Like this, swamp eel just can begin from the high side of next stage grid to slide, can avoid equally swamp eel to fall after, the swamp eel of little physique without fully slide and screening just along with the swamp eel of large physique skids off from the swamp eel delivery outlet.
Further improve as said apparatus, the outlet at bottom of funnel is zigzag groove.Owing to swamp eel physique is carefully grown, when the swamp eel landing of a greater number, the tortuous phenomenon of swamp eel can appear.After if swamp eel is tortuous, the swamp eel that little physique might occur places on the swamp eel of tortuous large physique, thereby skids off from delivery outlet without screening the swamp eel of just following large physique, has had influence on the efficient of screening.When having adopted tortuous configuration setting, after falling from the classification grid of upper level, when swamp eel passes through the complications outlet of funnel, tortuous trunk can be straightend, thereby can enter with more straight state the grid of next stage, avoid the tortuous of trunk and the situation that affects screening effect, further improved the effect of screening.
Technique effect
Advantage of the present invention, multistage swamp eel hierarchy is provided, the grading shaft spacing can be regulated between every grade, reduce gradually, thereby the one-level one-level is pressed body size and is separated swamp eel, and footing of the present invention has arrangement for adjusting height, can regulate the height of grading plant, and the bottom is Universal pulley, and is convenient mobile.The technical program is applicable to automation classification swamp eel seed, and is laborsaving, efficient, can reduce in a large number the damage of swamp eel, increases work efficiency, and is applicable to use in the seed size classification when swamp eel is propagated artificially.
Description of drawings
Fig. 1 is the stereogram of swamp eel lattice device provided by the invention;
Fig. 2 is the end view of the interior of swamp eel lattice device provided by the invention;
Fig. 3 is the vertical view of classification grid in the swamp eel lattice device provided by the invention;
Fig. 4 is the partial structurtes schematic diagram of the end of classification grid;
Fig. 5 is the cross-sectional view of classification grid;
Fig. 6 is the stereogram of a kind of improved swamp eel lattice device provided by the invention;
Fig. 7 is the end view of a kind of improved swamp eel lattice device provided by the invention.
Wherein, the 1st, casing; 2a, 2b are support members; The 3rd, hollow pipe; The 4th, grading shaft; The 5th, dead lever; The 6th, bolt; The 7th, the swamp eel delivery outlet; The 8th, fixture; The 9th, Universal pulley; The 10th, water jet; The 11st, the swamp eel inlet port; The 12nd, funnel.
Embodiment
Such as Fig. 1~shown in Figure 5, a kind of swamp eel lattice device provided by the invention, casing 1 leans forward, and the classification grid is set on the inwall of casing 1, and the classification grid comprises that level is to a plurality of grading shafts 4 that are arranged side by side; Above casing 1 antetheca, every layer of classification grid and swamp eel delivery outlet 7 is set respectively above the base plate.Described casing 1 bottom is provided with length-adjustable support member 2a, 2b.The bottom of described support member 2a, 2b is equipped with Universal pulley 9.Above the classification grid, on the both sides of casing 13 water jets 10 are installed respectively, the scope of water spray can cover whole classification grid.
In the present embodiment, be provided with fixture 8 on the inwall of casing 1, be placed with the classification grid on the fixture 8; The both sides of classification grid are dead lever 5, and the two ends of grading shaft 4 removably are fixed in respectively on the dead lever 5 of both sides, and cover has hollow pipe 3 on the grading shaft 4;
In the present embodiment, support member 2a, 2b adopt screw rod, can change the distance that is exposed at bottom half by rotation when it is installed on bottom half.
Grading shaft 4 is to be fixed in like this on the dead lever 5: this Kong Zhongyu grading shaft socket is inserted in described grading shaft 4 end perforates, dead lever 5, and grading shaft 4 ends are provided with one section internal thread, and bolt 6 is fixing with dead lever 5 by screw.
In the present embodiment, the classification grid in the casing 1 is 2, places up and down; As shown in Figure 5, the distance between the adjacent grading shaft 4 of the classification grid on upper strata is 25mm, and the distance between the adjacent grading shaft 4 of the classification grid of lower floor is 15mm.Wherein, the diameter of grading shaft 4 is 20mm; The internal diameter of hollow pipe 3 is 25mm.
Below in conjunction with concrete operating procedure the swamp eel lattice device in the present embodiment is further described:
1.2011 culture of swamp eel field in Jiangyan City's was carried out seed and was put in a suitable place to breed year July.200 kilograms in seed of purchase, the long 45cm of large specification swamp eel wherein, the long 23cm of small dimension.
2. swamp eel lattice device is moved to the work-yard, and casing 1 is cleaned up, regulate simultaneously support member 2a, the 2b height of casing 1 bottom, casing 1 is anterior for low side, rear portion are high-end, about high-end high 60cm, about the high 40cm of low side.
3. regulate the spacing between the grading shaft 4 adjacent on the classification grid, the spacing between the grading shaft 4 on the ground floor classification grid is 25mm, makes Finless Eel Monopterus Albus wide less than on the lower one deck classification grid of can automatically sliding into of 25mm.The bolt 6 at grading shaft 4 two ends on the classification grid is tightened, and fixation is avoided sliding.The spacing of the grading shaft 4 on the second layer classification grid is made as 15mm, tightens equally the bolt 6 at grading shaft 4 two ends.
4. two-layer classification grid is distinguished on the fixture 8 of frame in casing, and fixed, be the height two ends and arrange, and low side and swamp eel delivery outlet 7 are combined closely.
5. water jet on the casing 10 is connected the water source, begin watering, its watering scope covers whole lattice device, lubricated casing 1 and classification grid.
Device to be fractionated moistening complete after, swamp eel is poured on the classification grid of ground floor, swamp eel move about and effect that the outside hollow pipes 3 of grading shaft 4 rotate under, the swamp eel that physique is larger is stayed on the ground floor classification grid, because casing 1 front portion is low, the rear portion is high, the swamp eel that is barred from the ground floor split pole grid can slide to casing is anterior, as for passing through swamp eel delivery outlet 7 in fish tank, can drop into cage culture behind the soaking disinfection medicine.
7. be separated to the swamp eel on the second layer classification grid, be median size, collect in the fish tank by second layer swamp eel delivery outlet.Swamp eel than small dimension then is separated in bottom one deck, collects in the fish tank by the 3rd layer of swamp eel delivery outlet 7, behind the soaking disinfection medicine, drops into cage culture.
Through test, with respect to traditional artificial screening, the swamp eel of the different body sizes that obtain by the said method lattice, large, medium and small specification homogeneous degree is good, is easy to cultivation, survival rate is high, and it is time saving and energy saving to screen.
Embodiment 2
Such as Fig. 6, shown in Figure 7, a kind of improved swamp eel lattice device provided by the invention, be with the difference of embodiment 1: a side higher at casing 1 upper position offers swamp eel inlet port 11, bottom at the grouping grid is provided with funnel 12, and the outlet of funnel 12 is above lower floor's classification grid, be zigzag groove near the outlet at bottom of the position funnel 12 of casing 1 a higher side.Adopt such setting, can make swamp eel in order by the classification grid, in the process of sliding, the swamp eel that physique is larger is trapped, and the less swamp eel of physique constantly falls.In the time of can avoiding so directly falling down swamp eel from casing 1 top, the swamp eel of little physique is without sufficient slip, just along with the swamp eel of large physique is flowed out from swamp eel delivery outlet 7.Adopt such setting, when swamp eel falls from upper level classification grid, can drop on the higher end of next stage classification grid.Like this, swamp eel just can begin from the high side of next stage grid to slide, can avoid equally swamp eel to fall after, the swamp eel of little physique without fully slide and screening just along with the swamp eel of large physique skids off from swamp eel delivery outlet 7.Owing to swamp eel physique is carefully grown, when the swamp eel landing of a greater number, the tortuous phenomenon of swamp eel can appear.After if swamp eel is tortuous, the swamp eel that little physique might occur places on the swamp eel of tortuous large physique, thereby skids off from delivery outlet 7 without screening the swamp eel of just following large physique, has had influence on the efficient of screening.When having adopted tortuous configuration setting, after falling from the classification grid of upper level, when swamp eel passes through the complications outlet of funnel 12, tortuous trunk can be straightend, thereby can enter with more straight state the grid of next stage, avoid the tortuous of trunk and the situation that affects screening effect, further improved the effect of screening.

Claims (10)

1. a swamp eel lattice device comprises casing (1) and classification grid, it is characterized in that: casing (1) leans forward, and on the inwall of casing (1) the classification grid is set, and the classification grid comprises that level is to a plurality of grading shafts (4) that are arranged side by side; In casing (1) antetheca, every layer of classification grid top and base plate top swamp eel delivery outlet (7) is set respectively.
2. swamp eel lattice device according to claim 1, it is characterized in that: described classification grid is more than two, grading shaft (4) spacing of upper strata classification grid is greater than grading shaft (4) spacing of the classification grid of lower floor.
3. swamp eel lattice device according to claim 1 is characterized in that: be provided with length-adjustable support member (2a, 2b) bottom the described casing (1).
4. swamp eel lattice device according to claim 3, it is characterized in that: the bottom of described support member (2a, 2b) is equipped with Universal pulley (9).
5. swamp eel lattice device according to claim 1, it is characterized in that: described grading shaft (4) end perforate, dead lever (5) inserts this Kong Zhongyu grading shaft socket, grading shaft (4) end is provided with one section internal thread, and bolt (6) is fixing with dead lever (5) by screw.
6. swamp eel lattice device according to claim 1 is characterized in that: the outer socket of described grading shaft (4) hollow pipe (3).
7. swamp eel lattice device according to claim 1 is characterized in that: on described casing (1) position above the classification grid, be provided with water jet (10).
8. swamp eel lattice device according to claim 1, it is characterized in that: the side that described casing (1) upper position is higher offers swamp eel inlet port (11).
9. swamp eel lattice device according to claim 1, it is characterized in that: the bottom of described grouping grid is provided with funnel (12), and the outlet of funnel (12) is above lower floor's classification grid, near the position of the higher side of casing (1).
10. swamp eel lattice device according to claim 9, it is characterized in that: the outlet at bottom of described funnel (12) is zigzag groove.
CN201210470329.5A 2012-11-19 2012-11-19 Ricefield eel division device Expired - Fee Related CN102948385B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103548752A (en) * 2013-11-15 2014-02-05 中国水产科学研究院渔业机械仪器研究所 Device for temporarily culturing caught finless eel in circulating water
CN104137796A (en) * 2014-07-28 2014-11-12 中国水产科学研究院东海水产研究所 Fry classifying device
CN105393965A (en) * 2015-12-06 2016-03-16 山东建筑大学 High-efficient sea cucumber classifying device
CN106359234A (en) * 2016-11-29 2017-02-01 中国海洋大学 Rotating disc type fish sorter
CN106944349A (en) * 2017-03-29 2017-07-14 魏亦南 A kind of soya bean processing multistage sorter
CN107736290A (en) * 2017-10-13 2018-02-27 陈宏� Eel separation system and its application method
CN109566482A (en) * 2017-09-29 2019-04-05 镇江金山湖农业发展有限公司 A kind of big fine breeding method of squama Barb

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CN201781855U (en) * 2010-08-13 2011-04-06 上海海洋大学 Adjustable large yellow croakers grading device
CN201869663U (en) * 2010-10-20 2011-06-22 林信毅 Fish fry screening device
CN102500557A (en) * 2011-12-15 2012-06-20 浙江海洋学院普陀科学技术学院 Rapid sorting mechanism of large yellow croaker

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Publication number Priority date Publication date Assignee Title
JPS5293600A (en) * 1976-01-31 1977-08-06 Shinkou Ajioka Eel selector
IT8141501A0 (en) * 1981-01-07 1981-01-07 Ravagnan Gino Ravagnan Alberto EEL SORTING MACHINE.
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WO2001028318A1 (en) * 1999-10-15 2001-04-26 Ian Mcrobert Grading system for marine animals
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103548752A (en) * 2013-11-15 2014-02-05 中国水产科学研究院渔业机械仪器研究所 Device for temporarily culturing caught finless eel in circulating water
CN104137796A (en) * 2014-07-28 2014-11-12 中国水产科学研究院东海水产研究所 Fry classifying device
CN104137796B (en) * 2014-07-28 2016-03-02 中国水产科学研究院东海水产研究所 Fry sorter
CN105393965A (en) * 2015-12-06 2016-03-16 山东建筑大学 High-efficient sea cucumber classifying device
CN106359234A (en) * 2016-11-29 2017-02-01 中国海洋大学 Rotating disc type fish sorter
CN106944349A (en) * 2017-03-29 2017-07-14 魏亦南 A kind of soya bean processing multistage sorter
CN109566482A (en) * 2017-09-29 2019-04-05 镇江金山湖农业发展有限公司 A kind of big fine breeding method of squama Barb
CN107736290A (en) * 2017-10-13 2018-02-27 陈宏� Eel separation system and its application method

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