CN205954580U - Fish structure of being issued to lower level that master stream combines under last tributary of reservoir dam and dam - Google Patents
Fish structure of being issued to lower level that master stream combines under last tributary of reservoir dam and dam Download PDFInfo
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- CN205954580U CN205954580U CN201620631457.7U CN201620631457U CN205954580U CN 205954580 U CN205954580 U CN 205954580U CN 201620631457 U CN201620631457 U CN 201620631457U CN 205954580 U CN205954580 U CN 205954580U
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Abstract
The utility model discloses a fish structure of being issued to lower level that master stream combines under last tributary of reservoir dam and dam, the structure include reservoir dam and the dam that links to each other with reservoir dam on under master stream and the dam master stream, having arranged tributary under the dam under the dam on the master stream, having arranged tributary on the dam on the dam on the master stream, the reservoir dam upper reaches are provided with and cross the fish tributary on the dam, the income of crossing the fish tributary on the dam converge mouthful with the dam at the reservoir dam upper reaches on the master stream link to each other, the dam descend the upper reaches in fish tributary pass through to cross on the dam fish tributary under the dam under master stream interval and the dam master stream continuous. The utility model discloses low, simple, the operation convenience of being under construction of cost can be coordinated well and the adaptation with reservoir upstream and downstream pivot layout of the building structure, and not influence reservoir main engineering's safety, steady operation, has realized the friendly harmonious of engineering construction and environmental protection, has reached the win -win of social, economic benefits and environmental benefit, has wide application and popularization prospect.
Description
Technical field
This utility model belongs to Hydraulic and Hydro-Power Engineering environmental protection technical field, is specifically related to tributary on a kind of reservoir dam
The descending fish structure excessively being combined with mainstream under dam.
Background technology
The dam site upstream and downstream Fish communication channel that water resources and hydropower development is related to intercepts and fish gene communicating questions are
It is built and runs environmental problem main and the most in the urgent need to address, for this reason, competent administrative department for environmental protection is general all
The protection Fish and the degree of susceptibility situation that are related to for water resources and hydropower development are it is proposed that dam site upstream and downstream fish pass structure is built
If, run and correlational study requirement, such as fish pass, imitative nature passage, the mistake of fish lock, transporting something containerized fish system or various combination mode
Facilities for fish's passage etc., to the Sustainable Healthy Development of feasible region, river basin ecological environment.
The topographic and geologic condition limited because being limited to Hydraulic and Hydro-Power Engineering reservoir upstream and downstream fish pass structure arrangement, and reservoir
Planning or existing main structures arrange that the extremely limited fish pass structure that general layout causes builds site condition.At present, on reservoir
Downstream fish pass structure is newly-built, transformation technical difficulty is generally larger, cost is generally higher, operability is generally poor, especially
It has the side such as the construction coordination between main structures and newly-built fish pass structure, safety in operation in existing reservoir upstream and downstream
Even more there is many restrictions in face.
In order to solve the problems, such as the descending fish excessively in Hydraulic and Hydro-Power Engineering reservoir upstream to downstream well, fish pass structure is implemented
Impetus be transferred to its upstream orographic condition tributary advantageously in itself from reservoir, on a kind of reservoir dam of necessary offer
Tributary be combined with mainstream under dam descending cross fish structure, make full use of that tributary on reservoir dam is good to cross fish condition, and to lower of dam
Flow existing barrage structures and carried out the imitative nature passage of arrangement after fish function modificationses, so that dam upstream Fish is passed through " dry on dam
Cross dry under fish Zhi Liuzhi dam on stream dam Shang Guoyu tributary (containing intending carrying out the existing barrage structures of fish function modificationses) dam
Fishing line road is crossed in the descending of mainstream under stream segment dam ", to realize the descending environmental requirement crossing fish of reservoir upstream and downstream.
Utility model content
For solving the above problems, this utility model has been swum across fish up and down according to planning or existing reservoir and has been required, from abolishing reservoir
Upstream and downstream planning or existing main structures with plan to build the technology operability of fish pass structure, cost economic, construction coordination,
The restrictive condition angle of safety in operation is set out, and the impetus that fish pass structure is implemented is transferred to its upstream landform in itself from reservoir
Geological conditions tributary advantageously, flows through the good technology implementation condition of fish engineering, cost economic bar using on reservoir dam
Part, construction coordination condition, run safety condition, creative provide that tributary on a kind of reservoir dam is combined with mainstream under dam descending
Cross fish method, set up the descending fish structure excessively that tributary on a kind of reservoir dam is combined with mainstream under dam, swum across up and down with reaching reservoir
The environmental requirement of fish.
This utility model is achieved by following technical solution.
The descending fish structure excessively that on a kind of reservoir dam, tributary is combined with mainstream under dam, including reservoir dam and and reservoir dam
Mainstream under mainstream and dam on connected dam, mainstream under described dam is disposed with tributary under dam, mainstream on dam is disposed with dam
Stream, described reservoir dam upstream is provided with dam Shang Guoyu tributary, described dam Shang Guoyu tributary enter to converge mouth and reservoir dam upstream
Dam on mainstream be connected, the upstream in dam Xia Guoyu tributary passes through to cross mainstream segment and mainstream phase under dam under fish Zhi Liuzhi dam on dam
Even.
It is located on described dam Shang Guoyu tributary to cross on dam and arrange between mainstream on mainstream segment and dam under fish Zhi Liuzhi dam
There are barrage structures, and barrage structures height of dam is in below 10m.
The pool fish pass being disposed with culvert or aerial construction in mainstream segment under fish Zhi Liuzhi dam is crossed on described dam, and
It is provided with inducing installation on pool fish pass.
Described inducing installation includes one or more of fish pound, barrier net, current, sound or light.
Imitative nature passage is provided with described dam Shang Guoyu tributary, imitative nature channel design be dam Shang Guoyu tributary enter converge
The pool fish pass of mainstream segment culvert or aerial construction under fish Zhi Liuzhi dam is crossed on mouth, the river course in dam Shang Guoyu tributary and dam
Import.
A kind of realize that tributary on reservoir dam described in the utility model is combined with mainstream under dam descending cross the descending of fish structure
Cross fish method, specifically include following steps：
(1) investigate fish condition and determine dam Shang Guoyu tributary：On mainstream on inventory and planning or existing reservoir dam, dam
Stream, mainstream under dam, the hydrologic condition in tributary under dam, topographic and geologic condition, work arrangement condition and main cross fish object condition, and
According to all kinds of fish pass structure construction, service requirement, factually ratio selects and determines that mistake on the dam of fish pass structure is implemented in reservoir dam upstream
Fish tributary；
(2) descending fish line arrangement excessively and fish pass structure type selecting are carried out：According to crossing fish tributary on reservoir dam, under dam mainstream
Cross fish condition and all kinds of fish pass structure construction, service requirement, that arrangement reservoir dam is crossed fish tributary is combined with mainstream under dam is descending
Cross fishing line road, and carry out the concrete structure type selecting of fish pass structure according to fishing line road difference section concrete condition excessively；
(3) carry out fish pass structure agent structure and its supplementary structure is specifically arranged：Cross fishing line road difference section according to descending
Fish pass structure structure model selection situation, carry out descending crossing fishing line road each section fish pass, imitative nature passage, fish lock, transporting something containerized fish system
Or the various fish pass structure agent structures of various combination mode, and the concrete arrangement of fish pass structure supplementary structure.
In described step (1), hydrologic condition refers to that water level, flow, silt, river course form implement close phase with fish pass structure
The characteristic parameter condition closed；Described topographic and geologic condition refer to the mainstream of reservoir upstream and downstream, tributary topography and geomorphology, geological structure with
Fish pass structure implements closely related characteristic parameter condition；Described work arrangement condition refers to the swimming up and down of reservoir major project
Potential difference, project playout, the method for operation and fish pass structure implement closely related characteristic parameter condition；Described main fish object bar excessively
Part refers mainly to shielded rare, in imminent danger in reservoir upstream and downstream Heavenly Stems and Earthly Branches stream and Endemic fish, and the migration that economic worth is higher
Property, the species of half migration fishes, quantity, body length, gram stream ability, life habit and main cross the enforcement of fish season and fish pass structure
Closely related characteristic parameter condition.
In described step (1) all kinds of fish pass structures refer to plan or existing reservoir dam on tributary, mainstream is newly-built under dam, change
The fish pass built, imitative nature passage, all kinds of fish pass structures of fish lock, transporting something containerized fish system or various combination mode.
Described step (1) determines that dam Shang Guoyu tributary refers mainly to prop up according to bar each on reservoir dam and flows through fish condition, in conjunction with each
Class fish pass structure is built, service requirement, from technology implementation condition, cost economic condition, construction coordination condition, runs safety condition
Key element carries out ratio choosing, factually determines the tributary implementing fish pass structure on reservoir dam.
In described step (2), descending fishing line road of crossing is arranged as：Mainstream → dam Shang Guoyu tributary → dam Shang Guoyu tributary on dam
Mainstream under mainstream segment → dam to dam.
The beneficial effects of the utility model are：
Compared with the prior art, this utility model has been swum across fish up and down according to planning or existing reservoir and has been required, from abolishing reservoir
Upstream and downstream planning or existing main structures with plan to build the technology operability of fish pass structure, cost economic, construction coordination,
The restrictive condition angle of safety in operation is set out, and the impetus that fish pass structure is implemented is transferred to its upstream landform in itself from reservoir
Geological conditions tributary advantageously, flows through the good technology implementation condition of fish engineering, cost economic bar using on reservoir dam
Part, construction coordination condition, operation safety condition, set up the descending knot of fish excessively that tributary on a kind of reservoir dam is combined with mainstream under dam
Structure, has reached reservoir and has swum across the environmental requirement of fish up and down it is achieved that engineering construction and the friendly coordination of environmental conservation, reached society
The win-win of meeting benefit, economic benefit and environmental benefit.
This utility model low cost, construction is simple, it is convenient to run, and can arrange general layout with reservoir upstream and downstream main structures
Coordinate well and adapt to, and do not affect the safe and stable operation of reservoir major project it is achieved that engineering construction and environmental conservation
Friendly coordination, reached the win-win of social benefit, economic benefit and environmental benefit, there is wide application and promotion prospect.
Brief description
Fig. 1 is to prop up on reservoir dam described in the utility model to flow to the descending fishing line line structure schematic diagram excessively in mainstream under dam；
Fig. 2 is this utility model FB(flow block).
In figure：1- reservoir dam, 2- dam Shang Guoyu tributary, mainstream under 3- dam, 4- dam is crossed fish Zhi Liuzhi Ba Xia mainstream area
Between section, 5- barrage structures, tributary on 6- dam, tributary under 7- dam, mainstream on 8- dam.
Specific embodiment
Further describe the technical solution of the utility model below in conjunction with the accompanying drawings, but claimed scope is not limited to
Described.
As shown in figure 1, the descending knot of fish excessively that on a kind of reservoir dam described in the utility model, tributary is combined with mainstream under dam
Structure, mainstream 3 under mainstream 8 and dam on the dam be connected including reservoir dam 1 and with reservoir dam 1, it is disposed with mainstream 3 under described dam
Tributary 7 under dam, mainstream 8 on dam is disposed with tributary 6 on dam, and described reservoir dam 1 upstream is provided with dam Shang Guoyu tributary 2, institute
The mouth that enters to converge stating dam Shang Guoyu tributary 2 is connected with mainstream 8 on the dam of reservoir dam 1 upstream, and the upstream in dam Xia Guoyu tributary 2 is passed through
Mainstream segment 4 under fish Zhi Liuzhi dam is crossed on dam be connected with mainstream under dam 3.
It is located on described dam Shang Guoyu tributary 2 to cross on dam and set between mainstream 8 on mainstream segment 4 and dam under fish Zhi Liuzhi dam
It is equipped with barrage structures 5.
The pool fish pass being disposed with culvert or aerial construction in mainstream segment 4 under fish Zhi Liuzhi dam is crossed on described dam, and
Pool fish pass is provided with inducing installation.
Described inducing installation includes one or more of fish pound, barrier net, current, sound or light.
Imitative nature passage is provided with described dam Shang Guoyu tributary 2, imitative nature channel design is entering of dam Shang Guoyu tributary 2
The pool fish of mainstream segment 4 culvert or aerial construction under fish Zhi Liuzhi dam is crossed on remittance mouth, the river course in dam Shang Guoyu tributary 2 and dam
The import in road.
As shown in Figure 1 and Figure 2, a kind of realize that tributary on reservoir dam described in the utility model is combined with mainstream under dam descending
Cross the descending of fish structure and cross fish method, specifically include following steps：
(1) investigate fish condition and determine dam Shang Guoyu tributary：On mainstream on inventory and planning or existing reservoir dam, dam
Stream, mainstream under dam, the hydrologic condition in tributary under dam, topographic and geologic condition, work arrangement condition and main cross fish object condition, and
According to all kinds of fish pass structure construction, service requirement, factually ratio selects and determines that mistake on the dam of fish pass structure is implemented in reservoir dam upstream
Fish tributary；As shown in figure 1, mainstream 3 and dam under tributary 6 on mainstream 8 on dam on inventory and planning or existing reservoir dam 1, dam, dam
The hydrologic condition in lower tributary 7, topographic and geologic condition, work arrangement condition and main fish object condition excessively, and cross fish according to all kinds of
Facilities Construction, service requirement, factually than the dam Shang Guoyu tributary 2 selecting and determining reservoir dam upstream enforcement fish pass structure.
It is closely related with fish pass structure enforcement that described hydrologic condition refers mainly to water level, flow, silt, river course form etc.
Characteristic parameter condition；Described topographic and geologic condition refers mainly to the mainstream of reservoir upstream and downstream, tributary topography and geomorphology, geological structure etc.
Implement closely related characteristic parameter condition with fish pass structure；Described work arrangement condition refers mainly to the upper of reservoir major project
Downstream water potential difference, project playout, method of operation etc. implement closely related characteristic parameter condition with fish pass structure；Described is main
Cross fish object condition and refer mainly to shielded rare, in imminent danger in reservoir upstream and downstream Heavenly Stems and Earthly Branches stream and Endemic fish, and economic worth
Higher migratory, the species of half migration fishes, quantity, body length, gram stream ability, life habit and main cross fish season etc. with
Fish pass structure implements closely related characteristic parameter condition；Described all kinds of fish pass structures refer to planning or having on reservoir dam
Under tributary, dam, mainstream is newly-built, reconstruction fish pass, imitative nature passage, fish lock, transporting something containerized fish system or various combination mode all kinds of
Fish pass structure；Described determination dam Shang Guoyu tributary refers mainly to be propped up according to bar each on reservoir dam flows through fish condition, in conjunction with all kinds of mistakes
Facilities for fish's passage is built, service requirement, and from technology implementation condition, cost economic condition, construction coordination condition, running safety condition etc. will
Element carries out ratio choosing, factually determines the tributary implementing fish pass structure on reservoir dam.
(2) descending fish line arrangement excessively and fish pass structure type selecting are carried out：According to crossing fish tributary on reservoir dam, under dam mainstream
Cross fish condition and all kinds of fish pass structure construction, service requirement, that arrangement reservoir dam is crossed fish tributary is combined with mainstream under dam is descending
Cross fishing line road, and carry out the concrete structure type selecting of fish pass structure according to fishing line road difference section concrete condition excessively；As shown in figure 1,
According to cross on reservoir dam fish tributary 2, under dam mainstream 3 cross fish condition and all kinds of fish pass structure construction, service requirement, arrange reservoir
The descending fishing line road excessively that dam Shang Guoyu tributary 2 is combined with mainstream under dam 3, its descending fishing line road of crossing is：Mistake on mainstream 8 → dam on dam
Mainstream segment 4 under fish Zhi Liuzhi dam is crossed on fish tributary 2 (containing intending carrying out the existing barrage structures 5 of fish function modificationses) → dam
Mainstream under → dam, and (construct containing the existing barrage intending carrying out fish function modificationses in the descending dam Shang Guoyu tributary 2 crossing fishing line road
Thing 5) upper arrange imitative nature passage, pass through or cross massif dam on cross arrangement in mainstream segment 4 under fish Zhi Liuzhi dam and contain
The pool fish pass of hole or aerial construction.
Described descending fishing line road of crossing is arranged as：On dam, mainstream → dam Shang Guoyu tributary (is removed containing existing barrage structures
Or cross fish function modificationses) mainstream under mainstream segment → dam under fish Zhi Liuzhi dam is crossed on → dam, on the descending dam crossed on fishing line road
Cross the existing barrage structures height of dam in fish tributary in below 10m, and its generate electricity, irrigate etc. using function can by dam Shang Guoyu tributary its
What his existing barrage structures substituted is preferably removed, and remaining existing barrage structures preferably carried out fish function modificationses；Described
Fish pass structure type selecting refers mainly to cross on the difference section of fishing line road descending, according to the hydrology, topographic and geologic, work arrangement, main mistake
Fish object waited fish condition, through technology and economy comparison, factually selected that (broad form has slot type, pool, special with the fish pass of laying
Form etc.), imitative nature passage, fish lock (broad form has lock formula, vertical shaft type or inclined shaft formula), transporting something containerized fish system or various combination
The various types fish pass structure of mode.
(3) carry out fish pass structure agent structure and its supplementary structure is specifically arranged：Cross fishing line road difference section according to descending
Fish pass structure structure model selection situation, carry out descending crossing fishing line road each section fish pass, imitative nature passage, fish lock, transporting something containerized fish system
Or the various fish pass structure agent structures of various combination mode, and the concrete arrangement of fish pass structure supplementary structure.
The concrete arrangement of described fish pass structure mutually should be coordinated with the arrangement of reservoir upstream and downstream main structures, and according to landform
Geology, work arrangement, upstream and downstream flow condition etc. select suitable, favourable position to be arranged, are easy to run and manage, and not
River course flood, shipping safety must be affected；Described fish pass agent structure concrete arrangement main arrangement content includes import, and (import is suitable
It is arranged in fish collection area, current is preferably set and adjusts facility, multiple differences can be arranged using downflow weir, perps or aperture type
The import of elevation is to adapt to range of stage), (pond room is preferably arranged in bank stability region, can be using around bank formula, form, many for pond room
Layer disk folding, the layout pattern such as tower, culvert-type, the dividing plate between the room of pond can using downflow weir formula, vertical seam type, flood outlet type and
The patterns such as combination type), the knot such as outlet (outlet suitable offshore arrangement, the outlet that can arrange multiple difference elevations is to adapt to range of stage)
Structure；Described imitative nature channel body structure concrete arrangement main arrangement content includes import, and (import has preferably been arranged under current
Let out region, with riverbed bottom drop-over, water level regulation facility can be set to adapt to range of stage), (passage preferably adopts ecological shield to passage
Bank structure, section configuration, width, the depth of water and current should be as various as possible, to adapt to the needs of different Fish), (outlet is preferably for outlet
Be close to bank arrangement, water level regulation facility can be set to adapt to upper pond level luffing) etc. structure；The described concrete cloth of fish lock agent structure
Put main arrangement content to include import (import is preferably arranged in fish collection area, can arrange water level regulation facility to adapt to downstream water
Level amplitude, preferably arranges induction current), (lock floor is preferably located at below dead water level to lock chamber, lock chamber planted agent setting induction, anti-
Escape and drive the devices such as fish), (outlet arrangement is preferably away from hindering Fish to continue the adverse environment area traced back, can arrange if necessary for outlet
Barricade, it is to avoid Fish return to downstream) etc. structure；Described transporting something containerized fish system agent structure is concrete to arrange main arrangement content
Including the collection facilities for fish's passage removable collection fishing boat of the continuously fixed collection facilities for fish's passage of fish gathering and discontinuity fish gathering (include can), transport fish and set
Apply the structures such as (including fish-carrying boat, fish transportation vehicle etc.), fortune fish dock；Described fish pass structure supplementary structure is concrete to arrange main arrangement
Content includes inducing installation (including the facilities such as barrier dam, fish pound, barrier net, current, electric grid, sound, light, air curtain), blocks and set clearly
Apply (include trash rack, block dirty drift, trash, bulkhead gate of removing contamination, rush the facilities such as what equipment), observation facility (sight chamber, observation
The facilities such as equipment, monitoring water level) etc. structure, concrete arrangement should be with phases such as fish pass structure agent structure arrangement, river navigation, floating rows
Coordinate.
As shown in figure 1, the pool fish of the culvert of arrangement or aerial construction in mainstream segment 4 under fish Zhi Liuzhi dam is crossed on dam
Road agent structure includes import, pond room and outlet, and described import is preferably arranged in the fish collection area in dam Shang Guoyu tributary 2, preferably sets
Put current and adjust facility, multiple differences can be arranged on the river course of dam Shang Guoyu tributary 2 using downflow weir, perps or aperture type
The import of elevation is to adapt to range of stage；Pond room is preferably arranged in the massif between mainstream 3 under dam Shang Guoyu tributary 2 and dam or mountain
Bank stability region on body, passes through the pool pattern that the fish pass in massif adopts culvert structure, and the bank slope crossed on massif is steady
Determine the pool pattern that region fish pass adopts aerial construction, the dividing plate between the room of pond can adopt downflow weir formula, vertical seam type, flood outlet type
And the pattern such as combination type；Outlet offshore arrangement in mainstream 3 preferably under dam, can arrange multiple difference elevations on the river course of mainstream under dam 3
Outlet to adapt to range of stage.
On dam Shang Guoyu tributary 2 imitative nature channel body structure include dam Shang Guoyu tributary 2 enter to converge mouth, cross fish on dam and prop up
The import of the pool fish pass of mainstream segment 4 culvert or aerial construction under fish Zhi Liuzhi dam is crossed on the river course of stream 2, dam.
Dam Shang Guoyu tributary 2 is imitated nature passage and is not set supplementary structure；Cross in mainstream segment 4 under fish Zhi Liuzhi dam on dam
The pool fish pass supplementary structure of culvert or aerial construction includes inducing installation, blocks clear facility and observation facility, described inducing installation
Including facilities such as fish pound, barrier net, current, sound, light；Described block clear facility and include trash rack, rush the facilities such as what equipment；Described
Observation facility includes the facilities such as sight chamber, scope, monitoring water level.
Claims (5)
1. on a kind of reservoir dam tributary be combined with mainstream under dam descending cross fish structure it is characterised in that：Including reservoir dam (1)
And mainstream (3) under mainstream (8) and dam on the dam being connected with reservoir dam (1), it is disposed with tributary under dam on mainstream (3) under described dam
(7), mainstream (8) on dam are disposed with tributary on dam (6), described reservoir dam (1) upstream is provided with dam Shang Guoyu tributary (2),
The mouth that enters to converge on described dam Shang Guoyu tributary (2) is connected with mainstream (8) on the dam of reservoir dam (1) upstream, dam Xia Guoyu tributary (2)
Upstream pass through dam on cross fish Zhi Liuzhi dam under mainstream segment (4) be connected with mainstream under dam (3).
2. the descending fish structure excessively that on a kind of reservoir dam according to claim 1, tributary is combined with mainstream under dam, its feature
It is：Described dam Shang Guoyu tributary (2) is upper be located on dam cross in mainstream segment (4) and dam under fish Zhi Liuzhi dam mainstream (8) it
Between be provided with barrage structures (5), and barrage structures (5) height of dam is in below 10m.
3. the descending fish structure excessively that on a kind of reservoir dam according to claim 1, tributary is combined with mainstream under dam, its feature
It is：The pool fish pass being disposed with culvert or aerial construction in mainstream segment (4) under fish Zhi Liuzhi dam is crossed on described dam, and
It is provided with inducing installation on pool fish pass.
4. the descending fish structure excessively that on a kind of reservoir dam according to claim 3, tributary is combined with mainstream under dam, its feature
It is：Described inducing installation includes one or more of fish pound, barrier net, current, sound or light.
5. the descending fish structure excessively that on a kind of reservoir dam according to claim 1, tributary is combined with mainstream under dam, its feature
It is：Imitative nature passage is provided with described dam Shang Guoyu tributary (2), imitative nature channel design is dam Shang Guoyu tributary (2)
Enter to converge to cross on mouth, the river course in dam Shang Guoyu tributary (2) and dam segment (4) culvert in mainstream under fish Zhi Liuzhi dam or aerial construction
The import of pool fish pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631457.7U CN205954580U (en) | 2016-06-23 | 2016-06-23 | Fish structure of being issued to lower level that master stream combines under last tributary of reservoir dam and dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631457.7U CN205954580U (en) | 2016-06-23 | 2016-06-23 | Fish structure of being issued to lower level that master stream combines under last tributary of reservoir dam and dam |
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| Publication Number | Publication Date |
|---|---|
| CN205954580U true CN205954580U (en) | 2017-02-15 |
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ID=57968431
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620631457.7U Active CN205954580U (en) | 2016-06-23 | 2016-06-23 | Fish structure of being issued to lower level that master stream combines under last tributary of reservoir dam and dam |
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| CN (1) | CN205954580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087905A (en) * | 2016-06-23 | 2016-11-09 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of descending fish structure and the method excessively that on reservoir dam, master stream under dam, tributary is combined |
-
2016
- 2016-06-23 CN CN201620631457.7U patent/CN205954580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087905A (en) * | 2016-06-23 | 2016-11-09 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of descending fish structure and the method excessively that on reservoir dam, master stream under dam, tributary is combined |
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