CN216088392U - Fish gathering and luring channel - Google Patents
Fish gathering and luring channel Download PDFInfo
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- CN216088392U CN216088392U CN202122757890.9U CN202122757890U CN216088392U CN 216088392 U CN216088392 U CN 216088392U CN 202122757890 U CN202122757890 U CN 202122757890U CN 216088392 U CN216088392 U CN 216088392U
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- separation net
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Abstract
A fish collecting and attracting channel comprises a fish collecting groove, wherein one end of the fish collecting groove is closed, the other end of the fish collecting groove is open, a pit body is arranged at the bottom of the middle position of the fish collecting groove, a fish collecting cage is arranged in the pit body, the bottom of the pit body is connected with a main water inlet pipe, a first branch water pipe is arranged on the main water inlet pipe, and the first branch water pipe is connected to the closed end of the fish collecting groove; a fish blocking separation net and a self-switching separation net are respectively arranged in the fish collecting grooves above two ends of the pit body, a fish collecting area is formed between the fish blocking separation net and the self-switching separation net, and the fish blocking separation net is arranged close to the first branch water pipe; the self-opening and closing separation net is composed of two net plates, the net plates are movably arranged on a fixed shaft, and the fixed shaft is vertically fixed in the fish collecting groove. By adopting the structure, the utility model provides the fish gathering and luring channel which is matched with a dam fish passing facility and can effectively improve the fish passing efficiency.
Description
Technical Field
The utility model relates to the field of ecological environment protection of hydraulic and hydroelectric engineering, in particular to a fish gathering and luring channel.
Background
The construction of the dam divides the continuous river habitat into two parts, blocks the communication of fishes in rivers upstream and downstream of the dam site, and brings great influence to the survival and the propagation of migratory fishes in rivers. The fish passing facilities are one of main measures for slowing down the blocking influence of the dam on the fishes, and common fish passing facilities are in the forms of fishways, fish gates, fish lifts, fish collecting boats and the like. Most of the existing fish passing facilities have the defects of single fish collecting measure, poor fish collecting effect, poor matching property with the fish passing facilities and the like of a fish collecting system, and particularly, a fish lifting machine for a high-water-head dam is lack of a fish collecting system matched with the fish lifting machine.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a fish gathering and luring channel which is matched with a dam fish passing facility and can effectively improve the fish passing efficiency.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a fish collecting and attracting channel comprises a fish collecting groove, wherein one end of the fish collecting groove is closed, the other end of the fish collecting groove is open, a pit body is arranged at the bottom of the middle position of the fish collecting groove, a fish collecting cage is arranged in the pit body, the bottom of the pit body is connected with a main water inlet pipe, a first branch water pipe is arranged on the main water inlet pipe, and the first branch water pipe is connected to the closed end of the fish collecting groove;
a fish blocking separation net and a self-switching separation net are respectively arranged in the fish collecting grooves above two ends of the pit body, a fish collecting area is formed between the fish blocking separation net and the self-switching separation net, and the fish blocking separation net is arranged close to the first water branch pipe;
the self-opening and self-closing separation net is composed of two net plates, the net plates are movably arranged on a fixed shaft, and the fixed shaft is vertically fixed in the fish collecting groove.
In the preferred scheme, a water replenishing groove is further arranged on one side of the fish collecting groove, and a second branch water pipe connected to one end of the water replenishing groove is arranged on the main water inlet pipe.
In the preferred scheme, a water replenishing port is arranged on a side plate between the fish collecting groove and the water replenishing groove, and a net partition plate is arranged at the water replenishing port.
In the preferred scheme, the position that the pot body is close to the bottom on be equipped with the cowling panel, the equipartition is equipped with a plurality of holes of permeating water on the cowling panel.
In the preferred scheme, cowling panel top be equipped with the vertical support limiting plate of polylith, support the limiting plate and be used for supporting fixed collection fish cage.
In an optimal scheme, the height difference between the supporting limit plate and the top surface of the pit body is equal to the height of the fish collecting cage.
In the preferred scheme, the top of the fish collecting cage is provided with a conical top plate extending downwards, the middle of the conical top plate is provided with a fish collecting hole, the bottom of the fish collecting cage is also provided with a movable bottom plate, and one end of the movable bottom plate is hinged with the fish collecting cage.
In the preferred scheme, a torsion spring is arranged between a screen plate and a fixed shaft of the self-switching separation net, a wooden slat is arranged on one side of the screen plate, and the other side of the screen plate is arranged in grooves on the side walls of the two sides of the fish collecting groove.
The fish gathering and luring channel provided by the utility model has the following beneficial effects by adopting the structure:
(1) by arranging a plurality of water supplementing positions higher than the liquid level in the tank body, the problem that fish stagnation is caused by the induction of water supplementing points on the fish is solved, and the fish collecting effect can be effectively guaranteed;
(2) the self-switching separation net can be opened under the condition that water flow continuously flows, and can be automatically closed when the water inlet pipeline is closed, so that the fish can be prevented from escaping.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the front vertical surface structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
In the figure: the fish collecting tank comprises a fish collecting groove 1, a pit body 2, a main water inlet pipe 3, a first branch water pipe 3 ', a second branch water pipe 3', a rectifying plate 4, a water permeable hole 5, a supporting limiting plate 6, a fish collecting cage 7, a conical top plate 701, a fish collecting hole 702, a movable bottom plate 703, a fish collecting area 8, a fish blocking separation net 9, a self-opening and closing separation net 10, a fixing shaft 11, a net plate 12, a wooden slat 13, a water replenishing port 14 and a water replenishing groove 15.
Detailed Description
Example 1:
a fish collecting and attracting channel comprises a fish collecting groove 1, wherein one end of the fish collecting groove 1 is closed, the other end of the fish collecting groove 1 is open, a pit body 2 is arranged at the bottom of the middle position of the fish collecting groove 1, a fish collecting cage 7 is arranged in the pit body 2, a main water inlet pipe 3 is connected to the bottom of the pit body 2, a first water branch pipe 3 'is arranged on the main water inlet pipe 3, and the first water branch pipe 3' is connected to the closed end of the fish collecting groove 1;
a fish blocking separation net 9 and a self-switching separation net 10 are respectively arranged in the fish collecting grooves 1 above two ends of the pit body 2, a fish collecting area 8 is formed between the fish blocking separation net 9 and the self-switching separation net 10, and the fish blocking separation net 9 is arranged close to the first water branch pipe 3';
the self-opening and self-closing separation net 10 is composed of two net plates 12, the net plates 12 are movably arranged on a fixed shaft 11, and the fixed shaft 11 is vertically fixed in the fish collecting groove 1.
In the preferred scheme, a water supplementing groove 15 is further arranged on one side of the fish collecting groove 1, and a second branch water pipe 3 '' connected to one end of the water supplementing groove 15 is arranged on the main water inlet pipe 3.
In a preferable scheme, a water replenishing port 14 is arranged on a side plate between the fish collecting tank 1 and the water replenishing tank 15, and a net partition plate is arranged at the water replenishing port 14.
The water replenishing groove 15 and the water replenishing port 14 in the embodiment provide guarantee for the depth and the flow rate of water flow in the fish collecting groove 1, and the purpose of continuously attracting fish is achieved.
Example 2:
on the basis of embodiment 1, the pit body 2 be equipped with cowling panel 4 in the position that is close to the bottom, the equipartition is equipped with a plurality of holes 5 of permeating water on cowling panel 4.
In the preferred scheme, 4 tops of cowling panel be equipped with the vertical support limiting plate 6 of polylith, support limiting plate 6 and be used for supporting fixed fish collection cage 7.
In a preferable scheme, the height difference between the supporting limit plate 6 and the top surface of the pit body 2 is equal to the height of the fish collecting cage 7.
In this embodiment, the rectifying plate is arranged to avoid the interference of the water flow flowing upward from the bottom of the pit body 2 to the horizontal water flow in the fish collecting tank 1, and to achieve the purpose of guiding the fishes in the fish collecting area 8 downward.
Example 3:
on the basis of the embodiment 1, the top of the fish collecting cage 7 is provided with a conical top plate 701 extending downwards, the middle of the conical top plate 701 is provided with a fish collecting hole 702, the bottom of the fish collecting cage 7 is also provided with a movable bottom plate 703, and one end of the movable bottom plate 703 is hinged with the fish collecting cage 7.
In this example, the conic-top structure adopted by the fish-collecting cage 7 can prevent the fish from escaping upwards after entering the cage, and ensure the fish-collecting effect.
Example 4:
on the basis of the embodiment 1, a torsion spring is arranged between the screen plate 12 and the fixed shaft 11 which form the self-opening and self-closing screen 10, one side of the screen plate 12 is provided with a wooden slat 13, and the other side is arranged in the groove 101 on the side wall at the two sides of the fish collecting groove 1.
In this embodiment, the self-opening and closing separation net 10 can rotate along with the water flow to be parallel to the flow direction of the water flow, so that the self-opening and closing separation net 10 can be opened for fish to pass through, and the self-opening and closing separation net 10 can be automatically closed under the condition that the water flow is reduced after the fish collecting operation is completed, so that the fish can be prevented from escaping.
The fish collecting device is simple in structure, easy to arrange and good in fish collecting effect, can be matched with various fish passing facilities such as a fish lifting machine, a fish carrying boat and the like, and greatly improves the fish passing efficiency.
Claims (8)
1. The utility model provides a fish gathering lures fish passageway, includes fish collection groove (1), its characterized in that: one end of the fish collecting groove (1) is closed, the other end of the fish collecting groove is opened, a pit body (2) is arranged at the bottom of the middle position of the fish collecting groove (1), a fish collecting cage (7) is arranged in the pit body (2), the bottom of the pit body (2) is connected with a main water inlet pipe (3), a first water branch pipe (3 ') is arranged on the main water inlet pipe (3), and the first water branch pipe (3') is connected to the closed end of the fish collecting groove (1);
a fish blocking separation net (9) and a self-switching separation net (10) are respectively arranged in the fish collecting grooves (1) above the two ends of the pit body (2), a fish collecting area (8) is formed between the fish blocking separation net (9) and the self-switching separation net (10), and the fish blocking separation net (9) is arranged close to the first water branch pipe (3');
the self-opening and self-closing separation net (10) is composed of two net plates (12), the net plates (12) are movably arranged on a fixed shaft (11), and the fixed shaft (11) is vertically fixed in the fish collecting groove (1).
2. The fish gathering and luring channel as recited in claim 1, wherein: one side of the fish collecting groove (1) is also provided with a water supplementing groove (15), and the main water inlet pipe (3) is provided with a second branch water pipe (3 '') connected to one end of the water supplementing groove (15).
3. The fish gathering and luring channel as recited in claim 2, wherein: a water replenishing port (14) is arranged on a side plate between the fish collecting tank (1) and the water replenishing tank (15), and a net partition plate is arranged at the water replenishing port (14).
4. The fish gathering and luring channel as recited in claim 1, wherein: pit body (2) be close to the position of bottom on be equipped with cowling panel (4), the equipartition is equipped with a plurality of holes (5) of permeating water on cowling panel (4).
5. The fish gathering and luring channel as recited in claim 4, wherein: rectifying plate (4) top be equipped with the vertical support limiting plate (6) of polylith, support limiting plate (6) and be used for supporting fixed fish collection cage (7).
6. The fish gathering and luring channel as recited in claim 5, wherein: the height difference between the supporting limit plate (6) and the top surface of the pit body (2) is equal to the height of the fish collecting cage (7).
7. The fish gathering and luring channel as recited in claim 1, wherein: the fish collecting cage is characterized in that a conical top plate (701) extending downwards is arranged at the top of the fish collecting cage (7), a fish collecting hole (702) is formed in the middle of the conical top plate (701), a movable bottom plate (703) is further arranged at the bottom of the fish collecting cage (7), and one end of the movable bottom plate (703) is hinged to the fish collecting cage (7).
8. The fish gathering and luring channel as recited in claim 1, wherein: a torsion spring is arranged between a screen plate (12) and a fixed shaft (11) which form the self-opening and self-closing separation screen (10), a wooden slat (13) is arranged on one side of the screen plate (12), and the other side of the screen plate is arranged in a groove (101) on the side walls of the two sides of the fish collecting groove (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757890.9U CN216088392U (en) | 2021-11-11 | 2021-11-11 | Fish gathering and luring channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757890.9U CN216088392U (en) | 2021-11-11 | 2021-11-11 | Fish gathering and luring channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216088392U true CN216088392U (en) | 2022-03-22 |
Family
ID=80715603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122757890.9U Active CN216088392U (en) | 2021-11-11 | 2021-11-11 | Fish gathering and luring channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216088392U (en) |
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2021
- 2021-11-11 CN CN202122757890.9U patent/CN216088392U/en active Active
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