CN102388823A - Automatic collection device for semi-floating fish eggs - Google Patents
Automatic collection device for semi-floating fish eggs Download PDFInfo
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- CN102388823A CN102388823A CN2011102324548A CN201110232454A CN102388823A CN 102388823 A CN102388823 A CN 102388823A CN 2011102324548 A CN2011102324548 A CN 2011102324548A CN 201110232454 A CN201110232454 A CN 201110232454A CN 102388823 A CN102388823 A CN 102388823A
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- pipe
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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 relates to an automatic collection device for semi-floating fish eggs. The automatic collection device is characterized in that the automatic collection device comprises a right-angle bent pipe, a suspension rope, a net bag and an inflating pipe, the right-angle bent pipe is suspended in an egg laying pond through the suspension rope and the suspension rope is tied at the bent position of the right-angle bent pipe; the right-angle bent pipe comprises a vertical pipe section and a transverse pipe section, a weight is arranged at the lower end of the vertical pipe section to keep the vertical pipe section to be in a vertical state when the right-angle bent pipe is in a suspended state; the mouth of the net bag is sheathed at the rear end of the transverse pipe section and is tightly tied through a tying rope; and the inflating pipe is inserted into the vertical pipe section by certain length from the bent position of the right-angle bent pipe. The automatic collection device for the semi-floating fish eggs has the advantages that the device is simple, convenient and feasible to operate, the manufacturing cost is low, the labor intensity can be reduced and the working efficiency is improved; the damage to the fish eggs is reduced, the collection rate of the fish eggs is high and the hatching rate of fish fries is high; and the structure is simple, the space of the egg laying pond is not occupied, the fish egg collection and the inflation can be conducted at the same time, additional investment is not required and the automatic collection device is particularly suitable for the artificial breeding of seawater and freshwater fishes such as four major domesticated fish and the like which lay semi-floating eggs.
Description
Technical field
The present invention relates to a kind of automatic collecting device of half buoyancy fish-egg, belong 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 objective of the invention is to overcome the deficiency that exists in the prior art, 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.
According to technical scheme provided by the invention: 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 further improvement of the present invention, the lower end of said vertical segment is made as oblique section.
As further improvement of the present invention, 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.
As further improvement of the present invention; 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 further improvement of the present invention, 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 further improvement of the present invention, said baffle ring is arranged on the horizontal segment near 5 ~ 10cm position, its rear end.
As further improvement of the present invention, the internal diameter of said gas tube is 0.5 ~ 0.7cm, and external diameter is 0.8 ~ 1cm.
As further improvement of the present invention, 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 further improvement of the present invention, the size of mesh of said mesh bag is 1.4 ~ 1.6mm.
As further improvement of the present invention, 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 present invention compared with prior art, advantage is: the present invention 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 present invention 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 embodiment of the invention.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
As shown in the figure, automatic collecting device of the present invention 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 present invention 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 automatic collecting device of the present invention 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.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102324548A CN102388823B (en) | 2011-08-15 | 2011-08-15 | Automatic collection device for semi-floating fish eggs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102324548A CN102388823B (en) | 2011-08-15 | 2011-08-15 | Automatic collection device for semi-floating fish eggs |
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| Publication Number | Publication Date |
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| CN102388823A true CN102388823A (en) | 2012-03-28 |
| CN102388823B CN102388823B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102324548A Expired - Fee Related CN102388823B (en) | 2011-08-15 | 2011-08-15 | Automatic collection device for semi-floating fish eggs |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104521831A (en) * | 2014-12-18 | 2015-04-22 | 邵为旭 | Unguent for making fish oviposition collector |
| CN106069896A (en) * | 2016-06-14 | 2016-11-09 | 江苏省海洋水产研究所 | A kind of ecological breeding method improving larvae survival rate |
| CN106821753A (en) * | 2017-02-17 | 2017-06-13 | 陕西必康制药集团控股有限公司 | A kind of medicinal powder granulating apparatus and medicinal powder production system |
| CN108207769A (en) * | 2018-04-10 | 2018-06-29 | 中国水产科学研究院淡水渔业研究中心 | A kind of integrated apparatus that can be oxygenated and generate simultaneously flow |
| 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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| CN202211078U (en) * | 2011-08-15 | 2012-05-09 | 中国水产科学研究院淡水渔业研究中心 | Automatic collection device for semi-buoyant fish egg |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104521831A (en) * | 2014-12-18 | 2015-04-22 | 邵为旭 | Unguent for making fish oviposition collector |
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| CN106821753A (en) * | 2017-02-17 | 2017-06-13 | 陕西必康制药集团控股有限公司 | A kind of medicinal powder granulating apparatus and medicinal powder production system |
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| CN108207769A (en) * | 2018-04-10 | 2018-06-29 | 中国水产科学研究院淡水渔业研究中心 | A kind of integrated apparatus that can be oxygenated and generate simultaneously flow |
| 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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| CN102388823B (en) | 2013-05-01 |
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