CN215380801U - A layered collection device for drifting fish eggs in shallow water channels - Google Patents
A layered collection device for drifting fish eggs in shallow water channels Download PDFInfo
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- CN215380801U CN215380801U CN202121535762.3U CN202121535762U CN215380801U CN 215380801 U CN215380801 U CN 215380801U CN 202121535762 U CN202121535762 U CN 202121535762U CN 215380801 U CN215380801 U CN 215380801U
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- 235000013601 eggs Nutrition 0.000 title abstract description 63
- 241000251468 Actinopterygii Species 0.000 title abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000007667 floating Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims 2
- 239000000178 monomer Substances 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 11
- 238000005070 sampling Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009027 insemination Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 230000001418 larval effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
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Abstract
本实用新型公开了一种浅水河道漂流性鱼卵分层采集装置，包括组合框主体、底座及若干个设置于底座顶部的组合框单体。若干个组合框单体沿竖直方向依次设置，组合框单体一端设置有引流网，组合框单体另一端设置有集卵箱，引流网和集卵箱之间设置有连接杆。该装置可固定于浅水河道且可自行组装，实现了在固定点位的长期稳定的鱼卵采集；通过设置面向浅水河道小口径鱼卵采集装置，减少了成熟鱼类和其他杂质对鱼卵采集的影响，有利于进行浅水河道鱼卵运动的规律性研究；能够同一时间对鱼卵进行分层采集；通过在装置不同层数挂载流量计和流速仪，实现对河流不同深度流速和流量的实时测量。
The utility model discloses a layered collection device for drifting fish eggs in shallow water channels, which comprises a combination frame main body, a base and a plurality of combination frame units arranged on the top of the base. Several combination frame monomers are arranged in sequence along the vertical direction, one end of the combination frame monomer is provided with a drainage net, the other end of the combination frame monomer is provided with an egg collecting box, and a connecting rod is arranged between the drainage net and the egg collecting box. The device can be fixed in a shallow water channel and can be assembled by itself, realizing long-term and stable fish egg collection at a fixed point; by setting a small-diameter fish egg collection device facing the shallow water channel, the collection of fish eggs by mature fish and other impurities is reduced. It is conducive to the study of the regularity of the movement of fish eggs in shallow water channels; it can collect fish eggs in layers at the same time; by mounting flow meters and flow meters on different layers of the device, the flow rate and flow rate at different depths of the river can be monitored. real-time measurement.
Description
Technical Field
The utility model belongs to the technical field of ecological fish protection, and particularly relates to a laminar collection device for drifting roes in a shallow water river.
Background
The fish early life history comprises three development stages of eggs, larval fish and juvenile fish, the fish eggs can be divided into floating eggs and sinking eggs according to morphological structure, biochemical composition and specific gravity, the sinking eggs are larger in egg granules and heavier than water, and the sinking eggs are usually settled on the water bottom or adhered to a water bottom substrate after insemination, so that the objects for fishing and collecting are mainly the floating eggs, wherein the drifting eggs are important components of the floating eggs and are widely distributed in an eastern water system of China. At present, when roe collection and investigation are carried out domestically and abroad, a large-scale plankton net, a shallow water I-type plankton net, a double-drum net, a northern Pacific plankton standard net and the like are mainly used, and a conical net and a jiang net are mainly adopted in a freshwater river to carry out sampling in a fishing boat dragging or rope fixing mode.
The existing fish egg collecting device still has the following defects:
1. most of the existing roe collecting devices lose stability due to pursuing portability, even in a shallow river, the arrangement position is also easily influenced by water flow conditions to change greatly, and a fixed drifting roe collecting device is lacked;
2. most of the existing fish egg collecting devices adopt a net mouth with a larger diameter, are used for metering and counting the number of fish eggs in a large river, and lack a fish egg collecting device for researching the fish egg distribution rule of a small-diameter net mouth facing a shallow water river;
3. the existing roe collecting device can only sample at a fixed depth once, the same device cannot simultaneously collect roe on the surface layer, the middle layer and the bottom layer of a river, and a drifting roe layered collecting device facing different depths of the river is lacked;
4. the existing fish egg collecting device is lack of accurate real-time flow and velocity measurement, and even though a flowmeter and a flow rate meter are assembled, the fish egg collecting device is difficult to read in real time due to the fact that the fish egg collecting device is fixed on the fish egg collecting device, and the fish egg collecting device capable of simultaneously measuring the flow and velocity and reading the flow and velocity in real time is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drifting roe layered collection device for a shallow water river channel, and aims to solve the problems in the background technology.
The technical scheme adopted by the utility model is as follows:
a drifting roe layered collection device for a shallow water river comprises a combined frame main body, wherein the combined frame main body comprises a base and a plurality of combined frame single bodies arranged at the top of the base, and the combined frame single bodies are sequentially arranged along the vertical direction;
the combined frame is characterized in that a drainage net is arranged at one end of the combined frame single body, an egg collecting box is arranged at the other end of the combined frame single body, and a connecting rod is arranged between the drainage net and the egg collecting box.
Preferably, one end of the drainage net, which is far away from the egg collecting box, is provided with a port, a communication port is formed at the joint of the drainage net and the egg collecting box, and the connecting rod is arranged at the lower end of the communication port.
Preferably, the inner side of the bottom of the drainage net adopts a structure that the height of the inner side is gradually reduced from the connecting rod to the position of one end far away from the connecting rod.
Preferably, the bottom of the base is provided with a plurality of support legs, and the bottoms of the support legs adopt a conical structure.
Preferably, one side of the combined frame monomer, which is far away from the egg collecting box, is provided with a plurality of fixing rings.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the device can be fixed on a shallow water river channel and has a self-assembly structural design, so that long-term stable fish egg collection at a fixed point position is realized;
2. according to the utility model, through the design of the small-caliber fish egg collecting device for the shallow water river, the influence of mature fishes and other impurities on fish egg collection is greatly reduced, and the regularity research on the motion of fish eggs in the shallow water river is facilitated;
3. according to the utility model, the number of the vertical drainage nets and the egg collecting boxes is automatically added through the detachable combined frame main body, so that layered collection of fish eggs at the same time is realized;
4. according to the utility model, by arranging the fixing ring, the flow meters and the flow meters can be mounted on different layers of the device, so that the flow rate and the flow of different depths of the river can be measured in real time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a main structure of the assembly frame of the present invention;
FIG. 3 is a schematic view of the structure of the drainage net and the egg collecting box of the present invention;
FIG. 4 is a sectional view showing the structure of the drainage net and the egg collecting box according to the present invention;
in the figure: 1. a combo frame body; 2. a combined frame monomer; 3. a base; 4. a drainage network; 5. an egg collection box; 6. a fixing ring; 7. a connecting rod; 8. a support leg; 9. a port; 10. a communication port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1:
the embodiment provides a specific structure of a drifting roe layered collection device for a shallow water river channel, which comprises a combined frame main body 1, as shown in fig. 1-4, wherein the combined frame main body 1 comprises a base 3 and a plurality of combined frame single bodies 2 arranged at the top of the base 3, and the plurality of combined frame single bodies 2 are sequentially arranged along the vertical direction;
one end of the single combined frame body 2 is provided with a drainage net 4, the other end of the single combined frame body 2 is provided with an egg collecting box 5, and a connecting rod 7 is arranged between the drainage net 4 and the egg collecting box 5.
A port 9 is arranged at one end of the drainage net 4 far away from the egg collecting box 5, a communicating port 10 is arranged at the joint of the drainage net 4 and the egg collecting box 5, and a connecting rod 7 is arranged at the lower end of the communicating port 10.
The inner side of the bottom of the drainage net 4 adopts a structure that the height is gradually reduced from the connecting rod 7 to the position of one end far away from the connecting rod 7.
The bottom of the base 3 is provided with a plurality of support legs 8, and the bottoms of the support legs 8 adopt a conical structure.
One side of the combined frame single body 2, which is far away from the egg collecting box 5, is provided with a plurality of fixing rings 6.
By adopting the technical scheme:
firstly, the combined frame main body 1 comprises a base 3 and a plurality of combined frame single bodies 2 arranged on the top of the base 3, and the combined frame single bodies 2 are sequentially arranged along the vertical direction, so that the device can be fixed in a shallow water river and can be assembled by self, and long-term and stable fish egg collection at a fixed point position is realized;
secondly, by designing the small-caliber roe collecting device for the shallow water river, the influence of mature fishes and other impurities on roe collection is greatly reduced, and the study on the regularity of roe movement in the shallow water river is facilitated;
then, one end of the combined frame single body 2 is provided with a drainage net 4, the other end of the combined frame single body 2 is provided with an egg collecting box 5, and a connecting rod 7 is arranged between the drainage net 4 and the egg collecting box 5, so that the number of the vertical drainage nets 4 and the number of the egg collecting boxes 5 can be automatically added, and layered collection of fish eggs at the same time can be realized;
finally, one side of the combined frame single body 2, which is far away from the egg collecting box 5, is provided with a plurality of fixing rings 6, and the structure can be used for mounting the flow meter and the current meter on different layers of the device, so that the real-time measurement of the flow velocity and the flow rate of different depths of the river can be realized.
According to the working principle, referring to fig. 1-4, preparation of earlier-stage work is carried out, firstly, the depth of a river channel is determined, and a plurality of layers of combined frame monomers 2 are selected according to the depth of the river channel; secondly, assembling a plurality of layers of the combined frame single bodies 2 with the base 3 along the vertical direction; then, arranging drainage nets 4 and egg collecting boxes 5 in a plurality of layers of combined frame monomers 2; and finally, according to actual requirements, fixing rings 6 are arranged on the frame bodies of the drainage nets 4 with different layers, and the device is assembled.
In the using process, the whole fish egg collector is fixed at a test point position through a plurality of support legs 8 at the bottom of the base 3, fish eggs pass through a port 9 of the drainage net 4 and enter the egg collection box 5 through the communication port 10, the fish eggs floating at different heights from the bottom of a river respectively enter the egg collection boxes 5 with corresponding layers through the drainage nets 4 with different layers, the flow meter and the flow meter are externally hung on the fixing ring 6, required data are measured in real time, and sampling lasts for 10-15 minutes each time.
After sampling, the fish egg collecting device is taken out of the shallow river and disassembled in a layered mode, eggs of the egg collecting boxes 5 with different layers are placed into sampling bottles with different labels, biological tissue sample fixing liquid is injected for fixing and storing, and then the next group of sampling is prepared.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a shallow water river drift nature roe layering collection system, includes combination frame main part (1), its characterized in that: the combined frame main body (1) comprises a base (3) and a plurality of combined frame single bodies (2) arranged at the top of the base (3), wherein the combined frame single bodies (2) are sequentially arranged along the vertical direction;
the combined frame is characterized in that a drainage net (4) is arranged at one end of the combined frame single body (2), an egg collecting box (5) is arranged at the other end of the combined frame single body (2), and a connecting rod (7) is arranged between the drainage net (4) and the egg collecting box (5).
2. The device for collecting floating roes in shallow river channels in a layered mode according to claim 1, is characterized in that: a port (9) is formed in one end, far away from the egg collecting box (5), of the drainage net (4), a communicating port (10) is formed in the connecting position of the drainage net (4) and the egg collecting box (5), and the connecting rod (7) is arranged at the lower end of the communicating port (10).
3. The device for collecting floating roes in shallow river channels in a layered mode according to claim 1, is characterized in that: the inner side of the bottom of the drainage net (4) adopts a structure that the height is gradually reduced from the connecting rod (7) to the position of one end far away from the connecting rod (7).
4. The device for collecting floating roes in shallow river channels in a layered mode according to claim 1, is characterized in that: the base (3) bottom is provided with a plurality of stabilizer blades (8), stabilizer blade (8) bottom adopts the toper structure.
5. The device for collecting floating roes in shallow river channels in a layered mode according to claim 1, is characterized in that: one side of the combined frame single body (2) far away from the egg collecting box (5) is provided with a plurality of fixing rings (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535762.3U CN215380801U (en) | 2021-07-07 | 2021-07-07 | A layered collection device for drifting fish eggs in shallow water channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535762.3U CN215380801U (en) | 2021-07-07 | 2021-07-07 | A layered collection device for drifting fish eggs in shallow water channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215380801U true CN215380801U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121535762.3U Active CN215380801U (en) | 2021-07-07 | 2021-07-07 | A layered collection device for drifting fish eggs in shallow water channels |
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| Country | Link |
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| CN (1) | CN215380801U (en) |
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2021
- 2021-07-07 CN CN202121535762.3U patent/CN215380801U/en active Active
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