CN202211078U - Automatic collection device for semi-buoyant fish egg - Google Patents

Automatic collection device for semi-buoyant fish egg Download PDF

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Publication number
CN202211078U
CN202211078U CN201120294802XU CN201120294802U CN202211078U CN 202211078 U CN202211078 U CN 202211078U CN 201120294802X U CN201120294802X U CN 201120294802XU CN 201120294802 U CN201120294802 U CN 201120294802U CN 202211078 U CN202211078 U CN 202211078U
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China
Prior art keywords
pipe
egg
angle elbow
segment
collecting device
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Withdrawn - After Issue
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CN201120294802XU
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Chinese (zh)
Inventor
孟顺龙
陈家长
闵宽洪
尤洋
胡庚东
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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 utility model relates to an automatic collection device for semi-buoyant fish eggs, which comprises a right-angle elbow pipe, a suspension rope, a mesh bag and an air inflation pipe. The right-angle elbow pipe is hung in a spawning pond through the suspension rope. The suspension rope is tied to the bent part of the right-angle elbow pipe. The right-angle elbow pipe comprises a vertical pipe segment and a transverse pipe segment. The lower end of the vertical pipe segment is provided with a heavy object, so that the vertical pipe segment is ensured to be vertical during the suspension process. The port of the mesh bag is sleeved onto the rear end of the transverse pipe segment and is tied up through a tying rope. The air inflation pipe is inserted into the vertical pipe segment at a certain length through the bent part of the right-angle elbow pipe. The automatic collection device is simple in operation, easy to use and low in production cost, which can reduce the labor intensity and improve the work efficiency. Due to the adoption of the automatic collection device, the damage to fish eggs is reduced and the collecting rate of fish eggs is high. Meanwhile, the hatching rate of fish eggs is also high. The automatic collection device is simple in structure and does not occupy the space of a spawning pond. Meanwhile, the collection of fish eggs and the air inflation can be performed at the same time, while no extra investment is needed. The automatic collection device is especially suitable for the artificial propagation of the semi-buoyant fish eggs of freshwater fishes and marine fishes, such as four main types of aquacultured fishes.

Description

A kind of automatic collecting device of half buoyancy fish-egg
Technical field
A kind of automatic collecting device of half buoyancy fish-egg
The utility model relates to a kind of automatic collecting device of half buoyancy fish-egg, belongs to the artificial propagation of fish technical field.
Background technology
Artificial propagation of fish is meant according to the natural propagation habit, under artificial condition the control fish grow, ripe, the method for laying eggs and hatching.Artificial propagation of fish can be stablized and provide in large quantities to culture and use seedling, and for the sustainable development of aquaculture provides material base, therefore, artificial propagation of fish is the basis that culture fishery develops rapidly.And therefore the collection of the fish-egg successful key that is artificial propagation of fish, is done fish well and is collected significant to artificial propagation of fish.
It is movable to need through the product of certain hour behind the parent population injection ocyodinic, could accomplish the process of laying eggs.The length of the whole process duration of laying eggs is different and variant with fish kind, ocyodinic kind and water ecology condition etc.Let parent population natural spawning, the time of fertilization in spawning pond, must be noted that the management of spawning pond, have the special messenger on duty, it is dynamic to observe parent population.Simultaneously, generally in spawning pond, changed water once in every 2-3 hour, in case the spawning pond water hypoxia; And in beginning in preceding about the 2 hours bath continuously of oestrusing.After oestrusing about 30 minutes, answer close observation whether to have ovum to occur.No matter be that pairing is laid eggs or colony lays eggs, after parent population lays eggs end, all will in time receive ovum.
On the fish-egg collection method in the past is manual operation always, needs the professional to keep an eye on, even need keep watch at night, not only time-consuming, effort, and also fish-egg sustains damage through the repeatedly collision and the friction of chamber walls such as bucket easily, influences incubation rate.Many unfavorable factors in view of existing in the present fish-egg collection process are necessary to upgrade the fish-egg collection technique, so that promote the flourish of artificial propagation of fish technology better.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of automatic collecting device of simple and easy to do, automaticity is high, collection rate is big half buoyancy fish-egg is provided.
The technical scheme that provides according to the utility model: a kind of automatic collecting device of half buoyancy fish-egg; It is characterized in that: comprise right-angle elbow pipe, suspension strop, mesh bag and gas tube; Said right-angle elbow pipe is suspended in the spawning pond through suspension strop, and suspension strop ties up to the bending place of right-angle elbow pipe; Said right-angle elbow pipe comprises vertical segment and horizontal segment, and the lower end of vertical segment is provided with a weight, is in vertical state when the suspension status to guarantee vertical segment; Said mesh bag oral area is enclosed within the rear end of horizontal segment and tightens through tiing up rope; Said gas tube inserts certain-length in the vertical segment from the bending place of right-angle elbow pipe.
As the further improvement of the utility model, the lower end of said vertical segment is made as oblique section.
As the further improvement of the utility model, the end that said gas tube is positioned at vertical segment upwards is bent to form the U-shaped pipe, and the make progress length of bending part of U-shaped pipe is 2 ~ 5cm, and the vertical range of U-shaped pipe bottom and vertical segment lower port extreme higher position is 4 ~ 7cm.
Further improvement as the utility model; Said right-angle elbow pipe mainly is made up of first pipe that connects in order, connecting bend and second pipe; First pipe constitutes described vertical segment with an end of connecting bend, and the first pipe lower end is provided with an aperture, and said weight ties up on this aperture; Second pipe constitutes described horizontal segment with the other end of connecting bend, and said mesh bag oral area is enclosed within the rear end of second pipe and tightens through tiing up rope; Open a through hole on the said connecting bend, said gas tube inserts in first pipe from this through hole, and the through hole diameter equates with the gas tube external diameter.
As the further improvement of the utility model, the outer wall of said horizontal segment is provided with baffle ring, said mesh bag oral area through tie up the rope lie in baffle ring before so that mesh bag can not come off in collection process.
As the further improvement of the utility model, said baffle ring is arranged on the horizontal segment near 5 ~ 10cm position, its rear end.
As the further improvement of the utility model, the internal diameter of said gas tube is 0.5 ~ 0.7cm, and external diameter is 0.8 ~ 1cm.
As the further improvement of the utility model, the length of said vertical segment is 90 ~ 110cm, and the length of said horizontal segment is 30 ~ 40cm,, the internal diameter of horizontal segment and vertical segment is 12 ~ 15cm.
As the further improvement of the utility model, the size of mesh of said mesh bag is 1.4 ~ 1.6mm.
As the further improvement of the utility model, said right-angle elbow pipe, gas tube can adopt plastics, aluminum pipe or stainless steel tube to process, and said mesh bag can adopt polythene material to process.
The utility model compared with prior art, advantage is: the utility model is easy and simple to handle, be prone to row, cost of manufacture is low, can reduce labor intensity, and increases work efficiency; The fish-egg damage reduces, and the fish-egg collection rate is high, and the fry hatching rate is high; The utility model is simple in structure, does not account for the spawning pond space, and fish-egg is collected with inflation and carried out simultaneously, does not need extra input, is specially adapted to seawater of product semibuoyant eggs such as four large Chinese carps and the artificial propagation of freshwater fish.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure, the automatic collecting device of the utility model is mainly used in the collection of half buoyancy fish-egg, and it is applicable to seawater of product semibuoyant eggs such as four large Chinese carps and the artificial propagation of freshwater fish.This automatic collecting device mainly by right-angle elbow pipe 1, gas tube 2, suspension strop 3, mesh bag 4, tie up the rope 5 and weight 7 form.
As shown in Figure 1, said right-angle elbow pipe 1 is suspended in the spawning pond through suspension strop 3, and suspension strop 3 ties up to the bending place of right-angle elbow pipe 1; Said right-angle elbow pipe 1 comprises vertical segment and horizontal segment, the length L of said vertical segment 1Be 90 ~ 110cm, internal diameter is 12 ~ 15cm, and the lower end of vertical segment is provided with a weight 7, is in vertical state when the suspension status to guarantee vertical segment; The length L of said horizontal segment 2Be 30 ~ 40cm, internal diameter is 12 ~ 15cm, and mesh bag 4 oral areas are enclosed within the rear end of horizontal segment and tighten through tiing up rope 5; Said gas tube 2 inserts certain-length in the vertical segment from the bending place of right-angle elbow pipe 1.
As shown in Figure 1, the lower end of said vertical segment is made as oblique section, thereby water is flow in the right-angle elbow pipe 1 from the vertical segment lower end smoothly.
As shown in Figure 1, the end that said gas tube 2 is positioned at vertical segment upwards is bent to form the U-shaped pipe, the make progress length L of bending part of U-shaped pipe 3Be 2 ~ 5cm, the vertical range L of U-shaped pipe bottom and vertical segment lower port extreme higher position 4Be 4 ~ 7cm.The effect of U-shaped pipe is to guarantee when having gas to charge into, and gas can bottom-up discharge in vertical segment, and drives that water body is bottom-up to flow, thereby also bottom-up the flowing of the fertilized egg that partly floats in the water body gone forward side by side into mesh bag 4.For guaranteeing that gas can play drainage effect effectively, the internal diameter of said gas tube 2 should be 0.5 ~ 0.7cm, and the external diameter of gas tube 2 is 0.8 ~ 1cm.
Said mesh bag 4 is used to collect fertilized egg, and the size of mesh of mesh bag 4 is 1.4 ~ 1.6mm, so that fertilized egg can not spill.Because 4 mouthfuls of ends employings of mesh bag are tied up rope 5 and are tightened; Can not come off in collection process in order to ensure mesh bag 4; The utility model is being provided with baffle ring 6 on the outer wall near 5 ~ 10cm position, its rear end on right-angle elbow pipe 1 horizontal segment; Said mesh bag 4 oral areas through tie up the rope 5 lie in baffle ring 6 before so that mesh bag 4 can not come off in collection process.
Because the automatic collecting device of the utility model is placed in the water for a long time, for improving its service life, said right-angle elbow pipe 1, gas tube 2 adopt plastics, aluminum pipe or stainless steel tube to process, and said mesh bag 4 adopts polythene materials to process.
Embodiment 1
As shown in Figure 1, the right-angle elbow pipe 1 among the embodiment 1 is made up of the first pipe 1a that connects in order, connecting bend 1b and the second pipe 1c, and the first pipe 1a, connecting bend 1b and the second pipe 1c are pvc pipe.The end of said first pipe 1a and connecting bend 1b constitutes described vertical segment, the length L of vertical segment 1Be 90cm; The lower port of the first pipe 1a is made as oblique section, thereby water is flowed into smoothly; The first pipe 1a lower end is provided with an aperture, and said weight 7 ties up on this aperture.The other end of said second pipe 1c and connecting bend 1b constitutes described horizontal segment, the length L of horizontal segment 2Be 30cm; The second pipe 1c is provided with a baffle ring 6 near its rear end 5cm place, and said mesh bag 4 oral areas are enclosed within the rear end of the second pipe 1c and tighten through tiing up rope 5; The internal diameter of the said first pipe 1a and the second pipe 1c is 12cm, and said connecting bend 1b changes with the caliber variation of the first pipe 1a and the second pipe 1c.Said suspension strop 3 ties up on the connecting bend 1b, on connecting bend 1b, opens a through hole, and said gas tube 2 inserts in the first pipe 1a from this through hole, and the through hole diameter equates that with gas tube 2 external diameters gas tube 2 external diameters are 0.8cm, and internal diameter is 0.5cm; The end that said gas tube 2 is positioned at vertical segment upwards is bent to form the U-shaped pipe, the make progress length L of bending part of U-shaped pipe 3Be 2cm, the vertical range L of U-shaped pipe bottom and vertical segment lower port extreme higher position 4Be 4cm; Said mesh bag 4 internal diameters are 40cm, the long 120cm of being, mesh is 1.5 millimeters.
The automatic collecting device of embodiment 1 is applied in the Wuxi plant silver carp spawning pond, carries out the collection of fertilized egg.This spawning pond area is 50 square metres, in this pond, places uniformly 16 automatic collecting devices in evening before that day, carries out fertilized egg collection, the oopod withdrawal after will collect second day early morning, and fertilized egg is transferred to hatching apparatus hatch; The incubation rate of the fish-egg after the collection reaches 95.3%, and is respond well.
Embodiment 2
As shown in Figure 1, the right-angle elbow pipe 1 among the embodiment 2 is made up of the first pipe 1a that connects in order, connecting bend 1b and the second pipe 1c, and the first pipe 1a, connecting bend 1b and the second pipe 1c are pvc pipe.The end of said first pipe 1a and connecting bend 1b constitutes described vertical segment, the length L of vertical segment 1Be 110cm; The lower port of the first pipe 1a is made as oblique section, thereby water is flowed into smoothly; The first pipe 1a lower end is provided with an aperture, and said weight 7 ties up on this aperture.The other end of said second pipe 1c and connecting bend 1b constitutes described horizontal segment, the length L of horizontal segment 2Be 40cm; The second pipe 1c is provided with a baffle ring 6 near its rear end 10cm place, and said mesh bag 4 oral areas are enclosed within the rear end of the second pipe 1c and tighten through tiing up rope 5; The internal diameter of the said first pipe 1a and the second pipe 1c is 15cm, and said connecting bend 1b changes with the caliber variation of the first pipe 1a and the second pipe 1c.Said suspension strop 3 ties up on the connecting bend 1b, on connecting bend 1b, opens a through hole, and said gas tube 2 inserts in the first pipe 1a from this through hole, and the through hole diameter equates that with gas tube 2 external diameters gas tube 2 external diameters are 0.8cm, and internal diameter is 0.5cm; The end that said gas tube 2 is positioned at vertical segment upwards is bent to form the U-shaped pipe, the make progress length L of bending part of U-shaped pipe 3Be 5cm, the vertical range L of U-shaped pipe bottom and vertical segment lower port extreme higher position 4Be 7cm; Said mesh bag 4 internal diameters are 50cm, the long 130cm of being, mesh is 1.5 millimeters.
The automatic collecting device of embodiment 2 is applied in the Wuxi plant bighead spawning pond, carries out the collection of fertilized egg.The spawning pond area is 50 square metres, in this pond, places uniformly 16 fish-egg automatic collecting devices in evening before that day, carries out fertilized egg collection, the oopod withdrawal after will collect second day early morning, and fertilized egg is transferred to hatching apparatus hatch; The incubation rate of the fish-egg after the collection reaches 94.6%, and is respond well.

Claims (10)

1. the automatic collecting device of one and half buoyancy fish-eggs; It is characterized in that: comprise right-angle elbow pipe (1), suspension strop (3), mesh bag (4) and gas tube (2); Said right-angle elbow pipe (1) is suspended in the spawning pond through suspension strop (3), and suspension strop (3) ties up to the bending place of right-angle elbow pipe (1); Said right-angle elbow pipe (1) comprises vertical segment and horizontal segment, and the lower end of vertical segment is provided with a weight (7), is in vertical state when the suspension status to guarantee vertical segment; Said mesh bag (4) oral area is enclosed within the rear end of horizontal segment and tightens through tiing up rope (5); Said gas tube (2) inserts certain-length in the vertical segment from the bending place of right-angle elbow pipe (1).
2. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1 is characterized in that: the lower end of said vertical segment is made as oblique section.
3. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1 is characterized in that: the end that said gas tube (2) is positioned at vertical segment upwards is bent to form the U-shaped pipe, the make progress length (L of bending part of U-shaped pipe 3) be 2 ~ 5cm, the vertical range (L of U-shaped pipe bottom and vertical segment lower port extreme higher position 4) be 4 ~ 7cm.
4. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1; It is characterized in that: said right-angle elbow pipe (1) mainly is made up of first pipe (1a) that connects in order, connecting bend (1b) and second pipe (1c); First pipe (1a) constitutes described vertical segment with an end of connecting bend (1b); First pipe (1a) lower end is provided with an aperture, and said weight (7) ties up on this aperture; Second pipe (1c) constitutes described horizontal segment with the other end of connecting bend (1b), and said mesh bag (4) oral area is enclosed within the rear end of second pipe (1c) and tightens through tiing up rope (5); Open a through hole on the said connecting bend (1b), said gas tube (2) inserts in first pipe (1a) from this through hole, and the through hole diameter equates with gas tube (2) external diameter.
5. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1; It is characterized in that: the outer wall of said horizontal segment is provided with baffle ring (6); To lie in baffle ring (6) preceding through tiing up rope (5) for said mesh bag (4) oral area, so that mesh bag (4) can not come off in collection process.
6. the automatic collecting device of half buoyancy fish-egg as claimed in claim 5 is characterized in that: said baffle ring (6) is arranged on the horizontal segment near 5 ~ 10cm position, its rear end.
7. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1 is characterized in that: the internal diameter of said gas tube (2) is 0.5 ~ 0.7cm, and external diameter is 0.8 ~ 1cm.
8. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1 is characterized in that: the length (L of said vertical segment 1) be 90 ~ 110cm, the length (L of said horizontal segment 2) be 30 ~ 40cm,, the internal diameter of horizontal segment and vertical segment is 12 ~ 15cm.
9. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1 is characterized in that: the size of mesh of said mesh bag (4) is 1.4 ~ 1.6mm.
10. the automatic collecting device of half buoyancy fish-egg as claimed in claim 1 is characterized in that: said right-angle elbow pipe (1), gas tube (2) can adopt plastics, aluminum pipe or stainless steel tube to process, and said mesh bag (4) can adopt polythene material to process.
CN201120294802XU 2011-08-15 2011-08-15 Automatic collection device for semi-buoyant fish egg Withdrawn - After Issue CN202211078U (en)

Priority Applications (1)

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CN201120294802XU CN202211078U (en) 2011-08-15 2011-08-15 Automatic collection device for semi-buoyant fish egg

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Application Number Priority Date Filing Date Title
CN201120294802XU CN202211078U (en) 2011-08-15 2011-08-15 Automatic collection device for semi-buoyant fish egg

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CN202211078U true CN202211078U (en) 2012-05-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388823A (en) * 2011-08-15 2012-03-28 中国水产科学研究院淡水渔业研究中心 Automatic collection device for semi-floating fish eggs
CN105409858A (en) * 2015-12-17 2016-03-23 天津渤海水产研究所 Auxiliary device for collecting sperm eggs of parent flounders and tongue fishes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388823A (en) * 2011-08-15 2012-03-28 中国水产科学研究院淡水渔业研究中心 Automatic collection device for semi-floating fish eggs
CN105409858A (en) * 2015-12-17 2016-03-23 天津渤海水产研究所 Auxiliary device for collecting sperm eggs of parent flounders and tongue fishes
CN105409858B (en) * 2015-12-17 2017-10-20 天津渤海水产研究所 For flounder and the servicing unit of the smart ovum collection of tongue sole class parent population

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Granted publication date: 20120509

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