CN110552334A - Self-floating fish inducing channel of fish collecting pool - Google Patents
Self-floating fish inducing channel of fish collecting pool Download PDFInfo
- Publication number
- CN110552334A CN110552334A CN201910611716.8A CN201910611716A CN110552334A CN 110552334 A CN110552334 A CN 110552334A CN 201910611716 A CN201910611716 A CN 201910611716A CN 110552334 A CN110552334 A CN 110552334A
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- fish
- floating
- fixed
- channel
- self
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- 238000007667 floating Methods 0.000 title claims abstract description 108
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 104
- 230000001939 inductive effect Effects 0.000 title description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims 7
- 238000005188 flotation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/006—Arresting, diverting or chasing away fish in water-courses or water intake ducts, seas or lakes, e.g. fish barrages, deterrent devices ; Devices for cleaning fish barriers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
-
- 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
- Y02A40/60—Ecological corridors or buffer zones
Abstract
The application relates to a self-floating fish-luring channel of a fish collecting pool, which is integrally arranged in a fixed fish-luring channel and comprises a base for bearing a floating box, wherein a support leg is fixedly arranged on the bottom surface of the base; the side plates are fixed on the left side and the right side of the base, the side plates and the base are enclosed to form a U-shaped section flow channel which is communicated from front to back, the buoyancy tanks are symmetrically fixed on the outer sides of the side plates, which are close to the four corners of the base, and a limiting plate for integrally guiding the self-floating fish luring channel is arranged on each buoyancy tank side. This application can be along with the automatic ups and downs location of water level change to establish the flotation tank formula water-stop sheet in its lower part, make rivers major part can only pass through in the U-shaped section runner of this application, and combine the working shaft station of upper reaches to the pond pump water of gathering fish, thereby keep the stable depth of water and the velocity of flow of runner.
Description
Technical Field
This application belongs to hydraulic equipment, especially relates to a fish gathering pond is from floating and lures fishway.
Background
The dam height of a certain hydro-junction project is 94.0m, and the difference of the water level elevations of the upstream and the downstream of the dam is nearly 100 m. In order to protect the river fish resources, ensure the communication of upstream and downstream fishes, maintain the connectivity of the living environment of the river fish in the river reach and meet the requirements of environmental protection departments, fish facilities must be built in the hydro-junction engineering so as to relieve the adverse effects of the engineering construction on aquatic ecology and fishes.
Current fish luring way all adopts concrete placement's water course, and with external river or other water course UNICOM, rivers can not keep relatively fixed degree of depth and velocity of flow.
Disclosure of Invention
The utility model provides an ability is along with the automatic ups and downs location of water level change to establish flotation tank formula breakwater in its lower part, make rivers pass through in this lures the U-shaped section runner of fishway, and combine the water pump on upper reaches, thereby keep the stable water depth of runner and the fish collecting pond of velocity of flow from floating and luring the fishway.
The technical scheme of the application is realized as follows: the fish collecting pool self-floating fish inducing channel is integrally arranged in the fixed fish inducing channel and comprises a base for bearing the floating box, and supporting legs are fixedly arranged on the bottom surface of the base; the side plates are fixed on the left side and the right side of the base, the side plates and the base are enclosed to form a U-shaped section flow channel which is communicated from front to back, the buoyancy tanks are symmetrically fixed on the outer sides of the side plates, which are close to the four corners of the base, and a limiting plate for integrally guiding the self-floating fish luring channel is arranged on each buoyancy tank side.
The limiting plate is a T-shaped plate, the T-shaped head faces the inner side wall of the fixed fish luring channel, and guide grooves for the guide wheels to enter are reserved on the front side and the rear side of the limiting plate.
The leading wheel is installed in the fixed inside wall department that lures the fishway, and in the same direction as fixed inside wall that lures the fishway from top to bottom installs a plurality of mated leading wheels, and two leading wheels to every leading wheel get into the guide way by both sides around the limiting plate respectively, and is spacing with the limiting plate centre gripping.
The limiting plate is a T-shaped plate, a T-shaped head of the limiting plate faces towards the inner side wall of the fixed fish attracting channel, a fixed shaft is installed on the T-shaped head, and a guide wheel is installed at the end part of the fixed shaft.
A plurality of floating plates which are arranged up and down are arranged on the side wall of the floating box; a plurality of floating plates which are arranged up and down are arranged on the side plate on the side of the limit plate.
A plurality of cross beams are fixedly connected between the tops of the two side plates.
Be provided with the water-stop sheet between self-floating attracting fish way bottom surface and the fixed attracting fish way bottom surface, the water-stop sheet includes a plurality of end to end's kickboards, and the kickboard bottom of downside links to each other with the setting is fixed at the pre-buried base of fixed attracting fish way bottom surface, and the kickboard top of the top links to each other with the base that self-floats attracting fish way is fixed.
A plurality of independent cavity sealed cabins are arranged in the floating plate, water seals are arranged on four sides of one side face of the floating plate, and floating plate guide wheels are arranged on the left side and the right side of the floating plate; the side walls of two sides of the fixed fish attracting passage on the side where the floating plates are installed are fixed with embedded supports, a plurality of vertical parallel guide rails are arranged on the embedded supports on the two sides in a front-back mode, a plurality of sliding grooves are formed among the guide rails, and a floating plate guide wheel on each floating plate corresponds to one sliding groove and extends into the sliding groove; the lower part of the front end face of each floating plate is provided with a forward lower baffle, and the upper part of the rear end face is provided with a backward upper baffle.
The fish collecting pond with the self-floating fish attracting passage comprises a fish collecting pond arranged at the upstream of a dam, wherein a fixed fish attracting passage is poured in the fish collecting pond by concrete, a water outlet of the fixed fish attracting passage is communicated with a river water passage, a water supply pump station is arranged at the side of the fixed fish attracting passage, and a water outlet of the water supply pump station is communicated with the upstream position in the fish collecting pond; the upper side of the water outlet of the fixed fish luring channel is provided with a self-floating fish luring channel.
Owing to implement above-mentioned technical scheme, this application can be along with the automatic ups and downs location of water level change to establish the flotation tank formula water-stop sheet in its lower part, make rivers major part can only pass through in the U-shaped cross section runner of this application, and combine the working pump station of upper reaches to the pond water pumping in gathering fish, thereby keep the stable water depth of runner and the pond of gathering fish of velocity of flow from floating and luring the fishway. The application adapts to the requirements of great change of the water level of the fish collecting pond in the operation period and the overflowing water depth and flow speed, can automatically float and position along with the change of the water level, and meets the requirements of fish luring.
Drawings
The specific structure of the application is given by the following figures and examples:
FIG. 1 is a schematic view of a fishway construction with the present application;
FIG. 2 is a schematic structural diagram of the present application;
FIG. 3 is a schematic structural view of the water-proof plate which is unfolded when the water level rises and floats upwards according to the application;
FIG. 4 is a schematic structural view of the contraction of the water barrier as the water level decreases;
FIG. 5 is a cross-sectional structural view of the water-stop sheet of FIG. 4;
Fig. 6 is an enlarged view of a portion a in fig. 5.
legend: 1. the system comprises a water supply pump station, 2 parts of a fish collecting pond, 3 parts of a fixed fish luring channel, 4 parts of a self-floating fish luring channel, 4-1 parts of a limiting plate, 4-2 parts of a cross beam, 4-3 parts of a side plate, 4-4 parts of a floating plate, 4-5 parts of a supporting leg, 4-6 parts of a base, 4-7 parts of a floating box, 5 parts of a river water channel, 6 parts of a water-stop plate, 7 parts of the floating plate, 8 parts of a guide rail, 9 parts of a floating plate guide wheel, 10 parts of a pre-buried support, 11 parts of a water seal.
Detailed Description
The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.
In the embodiment 1, as shown in fig. 1 and 2, the self-floating fish inducing channel of the fish collecting pool is integrally arranged in the fixed fish inducing channel 3 and comprises a base 4-6 for bearing a buoyancy tank 4-7, and the bottom surface of the base 4-6 is fixedly provided with a supporting leg 4-5; the left side and the right side of the base 4-6 are fixed with side plates 4-3, the side plates 4-3 and the base 4-6 enclose a through U-shaped section flow channel, four corners of the outer side of the side plates 4-3 close to the base 4-6 are symmetrically fixed with buoyancy tanks 4-7, and a limiting plate 4-1 for integrally guiding the self-floating fish-luring channel 4 is arranged on the side of each buoyancy tank 4-7.
The limiting plate 4-1 is a T-shaped plate, the T-shaped head of the limiting plate faces the inner side wall of the fixed fish luring channel 3, and guide grooves for the guide wheels to enter are reserved on the front side and the rear side of the limiting plate 4-1. The guide wheels are installed at the inner side wall of the fixed fish attracting channel 3, a plurality of paired guide wheels are installed from top to bottom along the inner side wall of the fixed fish attracting channel 3, and the two guide wheels of each pair of guide wheels respectively enter the guide grooves from the front side and the rear side of the limiting plate 4-1 to clamp and limit the limiting plate 4-1. The distance between the upper and lower pairs of guide wheels is not more than the height of the limiting plate 4-1, namely not more than the length of the guide groove, so that a pair of guide wheels always exist in the guide groove to keep the limiting of the limiting plate 4-1. When the structure is adopted, the T-shaped head of the T-shaped plate needs to extend out for a certain distance so as to ensure that the guide wheel can enter the guide groove.
in the application, four limiting plates 4-1 are arranged at the corresponding positions of the inner side walls of the fixed fish-luring fishway 3, four groups of guide wheels are required to be arranged, each group of guide wheels comprises a plurality of paired guide wheels arranged from top to bottom along the inner side walls of the fixed fish-luring fishway 3, and the guide wheels in each pair of guide wheels are arranged front and back so as to correspond to the guide grooves in the limiting plates 4-1 and then arranged front and back.
A plurality of floating plates 4-4 which are arranged up and down are arranged on the side wall of the floating box 4-7.
A plurality of floating plates 4-4 which are arranged up and down are arranged on the side plate 4-3 at the side of the limit plate 4-1.
A plurality of cross beams 4-2 are fixedly connected between the tops of the two side plates 4-3.
The fish collecting pond with the self-floating fish inducing channel comprises a fish collecting pond 2 arranged at the upstream of a dam, a fixed fish inducing channel 3 is poured in the fish collecting pond 2 by concrete, the water outlet of the fixed fish inducing channel 3 is communicated with a river channel 5, a water supply pump station 1 is arranged at the side of the fixed fish inducing channel 3, and the water outlet of the water supply pump station 1 is communicated with the upstream position in the fish collecting pond 2; the upper stream side of the water outlet of the fixed fish luring passage 3 is provided with a self-floating fish luring passage 4. Under the action of the limiting plate 4-1, the self-floating fish-luring channel 4 can only float and sink along with the height of the water level.
As shown in fig. 3-6, a water-stop sheet 6 is arranged between the bottom surface of the self-floating fish-luring channel 4 and the bottom surface of the fixed fish-luring channel 3, the water-stop sheet 6 comprises a plurality of floating plates 7 connected end to end, the bottom of the floating plate 7 at the lowest side is arranged on the bottom surface of the fixed fish-luring channel 3, and the top of the floating plate 7 at the uppermost side is fixedly connected with the base 4-6 of the self-floating fish-luring channel 4. The fixed connection means that the floating plate 7 at the lowest side is vertically fixed by bonding or other fixing methods in the prior art, so that the floating plate 7 at the highest side is vertically fixed below the bases 4-6 of the self-floating fish inducing passage 4.
Four sides of the side wall of each floating plate 7 are provided with water seals 11 made of rubber, and the water seals 11 play a role in plugging between every two adjacent floating plates 7 to prevent fish from escaping from gaps between the floating plates 7. The water seal 11 is strip-shaped, and the length of the water seal is equal to the length of the side edge of the floating plate 7.
the top side of the side wall of the floating plate 7 at the uppermost side is also provided with a water seal 11, and the water seal 11 is used for sealing the gap between the floating plate 7 at the uppermost side and the bases 4-6 of the self-floating fish-luring channel 4.
A plurality of independent cavity sealed cabins are arranged in the floating plate 7, water seals 11 are arranged on four sides of one side face of the floating plate 7, and floating plate guide wheels 9 are arranged on the left side and the right side of the floating plate 7; the side walls at two sides of the fixed fish attracting passage 3 at the side where the floating plates 7 are installed are fixed with embedded supports 10, a plurality of vertical parallel guide rails 8 are arranged on the embedded supports 10 at the two sides in the front-back direction, a plurality of sliding grooves are formed among the guide rails 8, and a floating plate guide wheel 9 on each floating plate 7 corresponds to one sliding groove and extends into the sliding groove; a lower baffle plate facing forwards is arranged at the lower part of the front end face of each floating plate 7, and an upper baffle plate facing backwards is arranged at the upper part of the rear end face.
When the water-saving floating plate is used, the floating plate 7 can float and sink along with the change of the water level, when the water level is high, the floating plate 7 at the foremost side is fixed and fixed, the rest floating plates 7 float, and the floating plate 7 stops floating until the lower baffle at the front side of the floating plate 7 touches the upper baffle of the floating plate 7 at the front side of the floating plate 7, so that the floating plate 7 from front to back forms a step shape, thereby forming a state as shown in fig. 3 and blocking a water channel.
When the water level is low, the floating plate 7 is not enough to float upwards or can float upwards only in a small range, naturally falls to the bottom of the water channel and is pressed by the self-floating fish inducing channel 4 to form a front-back arrangement state as shown in fig. 4.
in the design of collection fish pond self-floating fish channel, the requirement: kFBuoyancy force=∑GGravity force+∑fFrictional force(ii) a In the above formula, k: the safety coefficient of the submergence depth of the self-positioning fish-luring channel can be 0.95-0.98; fBuoyancy force: the buoyancy force borne by the self-positioning fish luring channel is equivalent to the gravity of the discharged water of the sum of the volumes of all the closed cavities and the underwater components of the self-positioning fish luring channel; sigma GGravity force: the sum of the gravity of all the components; sigma fFrictional force: the sum of the friction forces created by all the bearing stop members.
Embodiment 2, limiting plate 4-1 is the T shaped plate, and its T shape head is towards fixed 3 inside walls of luring the fish way, and the overhead dead axle that installs of T shape, dead axle tip install the leading wheel. The corresponding position of the inner side wall of the fixed fish luring channel 3 is pre-embedded with a guide groove, and a guide wheel extends into the guide groove.
in this application, four total limiting plates 4-1 are needed to be embedded into four guide grooves at corresponding positions on the inner side wall of the fixed fish inducing passage 3. The length of the guide groove is related to the stroke of the self-floating fish-luring channel 4, and the length of the guide groove is larger than the stroke of the self-floating fish-luring channel 4. When the water level in the fixed fish luring channel 3 is at the highest position, the self-floating fish luring channel 4 floats upwards to the highest point, and the limiting plate 4-1 is also at the highest position but cannot exceed the highest end of the fixed fish luring channel 3; when the water level in the fixed fish inducing passage 3 is at the lowest position, the self-floating fish inducing passage 4 sinks to the lowest position, the support legs 4-5 are supported on the bottom surface of the fixed fish inducing passage 3, and the limiting plate 4-1 is at the lowest position.
Except the connection structure of the limiting plate 4-1 and the inner side wall of the fixed fish inducing channel 3, the structure is the same as that in the embodiment 1.
In the using process, the upper structure of the self-floating fish-luring channel 4 is exposed out of the water surface by 10-20 cm; from floating and luring fishway 4 along with fixed water level that lures in fishway 3 and sink to float, no matter from floating the height of luring the position that fishway 4 was located, water-stop sheet 6 will all be from floating and luring fishway 4 lower part water course and shelter from, and rivers and fish can only be passed through by the U-shaped section runner that lures fishway 4 from floating.
The technical characteristics form the embodiment of the application, the embodiment has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the needs of different situations.
Claims (9)
1. The utility model provides a fish gathering pond is from floating and lures fishway, wholly sets up in fixed luring fishway, its characterized in that: the floating box comprises a base for bearing the floating box, wherein supporting legs are fixedly arranged on the bottom surface of the base; the side plates are fixed on the left side and the right side of the base, the side plates and the base are enclosed to form a U-shaped section flow channel which is communicated from front to back, the buoyancy tanks are symmetrically fixed on the outer sides of the side plates, which are close to the four corners of the base, and a limiting plate for integrally guiding the self-floating fish luring channel is arranged on each buoyancy tank side.
2. the fish collecting pond self-floating induction fishway of claim 1, characterized in that: the limiting plate is a T-shaped plate, the T-shaped head faces the inner side wall of the fixed fish luring channel, and guide grooves for the guide wheels to enter are reserved on the front side and the rear side of the limiting plate.
3. The fish collecting pond self-floating induction fishway of claim 2, characterized in that: the leading wheel is installed in the fixed inside wall department that lures the fishway, and in the same direction as fixed inside wall that lures the fishway from top to bottom installs a plurality of mated leading wheels, and two leading wheels to every leading wheel get into the guide way by both sides around the limiting plate respectively, and is spacing with the limiting plate centre gripping.
4. The fish collecting pond self-floating induction fishway of claim 1, characterized in that: the limiting plate is a T-shaped plate, a T-shaped head of the limiting plate faces towards the inner side wall of the fixed fish attracting channel, a fixed shaft is installed on the T-shaped head, and a guide wheel is installed at the end part of the fixed shaft.
5. The fish collecting pond self-floating induction fishway of claim 2 or 4, characterized in that: a plurality of floating plates which are arranged up and down are arranged on the side wall of the floating box; a plurality of floating plates which are arranged up and down are arranged on the side plate on the side of the limit plate.
6. The fish collecting pond self-floating induction fishway of claim 2 or 4, characterized in that: a plurality of cross beams are fixedly connected between the tops of the two side plates.
7. The fish gathering pond self-floating induction fishway of claim 1, 2 or 4, characterized in that: be provided with the water-stop sheet between self-floating attracting fish way bottom surface and the fixed attracting fish way bottom surface, the water-stop sheet includes a plurality of end to end's kickboards, and the kickboard bottom of downside links to each other with the setting is fixed at the pre-buried base of fixed attracting fish way bottom surface, and the kickboard top of the top links to each other with the base that self-floats attracting fish way is fixed.
8. The fish collecting pond self-floating induction fishway of claim 7, characterized in that: a plurality of independent cavity sealed cabins are arranged in the floating plate, water seals are arranged on four sides of one side face of the floating plate, and floating plate guide wheels are arranged on the left side and the right side of the floating plate; the side walls of two sides of the fixed fish attracting passage on the side where the floating plates are installed are fixed with embedded supports, a plurality of vertical parallel guide rails are arranged on the embedded supports on the two sides in a front-back mode, a plurality of sliding grooves are formed among the guide rails, and a floating plate guide wheel on each floating plate corresponds to one sliding groove and extends into the sliding groove; the lower part of the front end face of each floating plate is provided with a forward lower baffle, and the upper part of the rear end face is provided with a backward upper baffle.
9. Have collection fish pond from floating and luring fishway, its characterized in that: the fish gathering device comprises a fish gathering pond arranged at the upstream of a dam, wherein a fixed fish attracting channel is poured in the fish gathering pond by concrete, a water outlet of the fixed fish attracting channel is communicated with a river water channel, a water supply pump station is arranged at the side of the fixed fish attracting channel, and a water outlet of the water supply pump station is communicated with the upstream position in the fish gathering pond; the upper side of the water outlet of the fixed fish luring channel is provided with a self-floating fish luring channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611716.8A CN110552334A (en) | 2019-07-08 | 2019-07-08 | Self-floating fish inducing channel of fish collecting pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910611716.8A CN110552334A (en) | 2019-07-08 | 2019-07-08 | Self-floating fish inducing channel of fish collecting pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552334A true CN110552334A (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910611716.8A Pending CN110552334A (en) | 2019-07-08 | 2019-07-08 | Self-floating fish inducing channel of fish collecting pool |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291520A (en) * | 1996-04-26 | 1997-11-11 | Dam Suigenchi Kankyo Seibi Center | Floatable fish path device |
| JP3114373U (en) * | 2005-07-01 | 2005-10-27 | 裕一 大西 | Artificial floating fish reef |
| RU2320812C1 (en) * | 2006-08-14 | 2008-03-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Новочеркасская государственная мелиоративная академия" ФГОУ ВПО (НГМА) | Outlet fish-pass head |
| CN104314055A (en) * | 2014-06-16 | 2015-01-28 | 南昌大学 | Water pressure type floating plate fish passage |
| CN104343106A (en) * | 2014-09-26 | 2015-02-11 | 浙江省水利水电勘测设计院 | Movable partition device for fish passage |
| KR101899041B1 (en) * | 2018-03-02 | 2018-09-14 | 주식회사 우승산업 | Automatic open type fish way |
| CN109371932A (en) * | 2018-11-30 | 2019-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Waterpower vertical shaft type crosses fish structure |
| CN211171867U (en) * | 2019-07-08 | 2020-08-04 | 新疆水利水电勘测设计研究院 | Fish collecting pool with self-floating fish inducing channel and fish collecting pool with self-floating fish inducing channel |
-
2019
- 2019-07-08 CN CN201910611716.8A patent/CN110552334A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09291520A (en) * | 1996-04-26 | 1997-11-11 | Dam Suigenchi Kankyo Seibi Center | Floatable fish path device |
| JP3114373U (en) * | 2005-07-01 | 2005-10-27 | 裕一 大西 | Artificial floating fish reef |
| RU2320812C1 (en) * | 2006-08-14 | 2008-03-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Новочеркасская государственная мелиоративная академия" ФГОУ ВПО (НГМА) | Outlet fish-pass head |
| CN104314055A (en) * | 2014-06-16 | 2015-01-28 | 南昌大学 | Water pressure type floating plate fish passage |
| CN104343106A (en) * | 2014-09-26 | 2015-02-11 | 浙江省水利水电勘测设计院 | Movable partition device for fish passage |
| KR101899041B1 (en) * | 2018-03-02 | 2018-09-14 | 주식회사 우승산업 | Automatic open type fish way |
| CN109371932A (en) * | 2018-11-30 | 2019-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Waterpower vertical shaft type crosses fish structure |
| CN211171867U (en) * | 2019-07-08 | 2020-08-04 | 新疆水利水电勘测设计研究院 | Fish collecting pool with self-floating fish inducing channel and fish collecting pool with self-floating fish inducing channel |
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