CN206986861U - Penstock on downstream dam sur formula parent population type fish pass - Google Patents
Penstock on downstream dam sur formula parent population type fish pass Download PDFInfo
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- CN206986861U CN206986861U CN201720940484.7U CN201720940484U CN206986861U CN 206986861 U CN206986861 U CN 206986861U CN 201720940484 U CN201720940484 U CN 201720940484U CN 206986861 U CN206986861 U CN 206986861U
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- China
- Prior art keywords
- fish
- pipeline
- penstock
- gate
- fish pass
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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
- Y02A40/60—Ecological corridors or buffer zones
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Abstract
It the utility model is related to key water control project fish pass structure technical field, specially penstock on downstream dam sur formula parent population type fish pass, compared with traditional fish pass, the utility model is designed using penstock on downstream dam sur formula, cross fish process closing influenceed by extraneous factor it is small, and fish are not required to expend a large amount of muscle power during fish is crossed, therefore it is applied to a variety of different fish.Fish pass main part is not passed through dam body, it is smaller to dam body agent structure stabilizing influence, the fish pass adds middle part gate design using double-deck flushing pipeline, only voluntarily it can be washed by water using river water levels of upstream and downstream difference into fish pass, and realize flushing pipeline and mutually separate with crossing fish pipeline, significantly reduce the current under middle high water head running situation and hydraulic pressure to being influenceed caused by healthy fish.The water storage of upper gate and middle part gatehouse, saves flushing period, improves fish efficiency, and the half water in fish pass only need to be downstream discharged after the completion of a cycle, has saved upstream inpoundment resource.
Description
Technical field
It the utility model is related to key water control project fish pass structure technical field, specially penstock on downstream dam sur formula parent population type fish pass.
Background technology
The research and construction of fish pass are accompanied by the development of hydraulic engineering and risen, with the continuous progress of science and technology, generation
The fish pass construction of various countries of boundary is all constantly improving.Existing fish fish pass of crossing is often the ramp type built in the both sides of dam
Artifical flume, often need fish to overcome the factors such as flow rate of water flow, own wt and wind-force to trace back by itself strength and swim to upstream, this
Higher requirement just is proposed to travelling ability and muscle power of fish etc..And existing fish pass is often only applicable to compared with low water head
Dam, and be difficult to be applicable in the case of middle high water head, large water-head row makes fish especially straddling fish stocks very into high flow rate
Difficulty is sailed against the current, and higher head also can produce injury to fish.In addition, existing fish pass continuously must be arranged downstream
Water, operation could be maintained, and it is less efficient, this also results in the waste of upstream water resource in a way.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model is penstock on downstream dam sur formula parent population type fish pass, and its technical scheme is：Bag
Include dam body（7）, gate and penstock pipeline, be provided with flushing pipeline in the penstock pipeline and cross fish pipeline（1）, penstock agent structure
It is arranged on dam body（7）Back, the inlet and outlet of the penstock pipeline are respectively equipped with gate, and flushing pipeline is arranged on dam body（7）
With fish pipeline excessively（1）Between.
Further, the flushing pipeline and excessively fish pipeline（1）It is arranged in parallel in penstock pipeline, crosses fish pipeline（1）Wear
Cross dam body（7）Top.
Further, in addition to middle part gate（3）, the middle part gate（3）It was arranged on fish pipeline（1）Middle part, incited somebody to action
Fish pipeline（1）It is divided into two parts up and down.
Further, the flushing pipeline includes the first flushing pipeline（5）With the second flushing pipeline（6）, first punching
Waterpipe（5）With the second flushing pipeline（6）Import be respectively equipped with upper gate（2）With middle part gate（3）, outlet respectively with mistake
Fish pipeline（1）It is connected.
Further, it is described to cross fish pipeline（1）Upper, middle and lower be respectively equipped with upper gate（2）, middle part gate
（3）And aft-gate（4）.
The beneficial effects of the utility model are：Compared with traditional fish pass, the utility model is designed using penstock on downstream dam sur formula, mistake
The closing of fish process is influenceed small by extraneous factor, and fish are not required to expend a large amount of muscle power during fish is crossed, thus suitable for it is a variety of not
Same fish.Fish pass main part is not passed through dam body, smaller to dam body agent structure stabilizing influence, and the fish pass uses double-deck jet water spout
Road adds middle part gate design, only voluntarily can be washed by water using river water levels of upstream and downstream difference into fish pass, and realize flushing pipeline
Mutually separate with crossing fish pipeline, significantly reduce current under middle high water head running situation and hydraulic pressure to shadow caused by healthy fish
Ring.The water storage of upper gate and middle part gatehouse, saves flushing period, improves fish efficiency, and complete in a cycle
The half water in fish pass only need to be downstream discharged afterwards, saved upstream inpoundment resource.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
As shown in figure 1,1 mistake fish pipeline, 2 upper gates, 3 middle part gates, 4 aft-gates, 5 first flushing pipelines, 6 second
Flushing pipeline, 7 dam bodys.
Embodiment
As illustrated, the utility model is penstock on downstream dam sur formula parent population type fish pass, including dam body, gate and penstock pipeline, institute
To state and flushing pipeline is provided with penstock pipeline and crosses fish pipeline 1, flushing pipeline is arranged in parallel in penstock pipeline with fish pipeline 1 is crossed,
Penstock agent structure is arranged on the dam body dam facing of downstream, and fish pass main part is not passed through dam body, and only horizontal segment partially passes through dam
Body top；It is smaller to dam body agent structure stabilizing influence.The inlet and outlet of the penstock pipeline is respectively equipped with gate；The dam
Flushing pipeline is provided between body and excessively fish pipeline 1, the flushing pipeline is the first flushing pipeline 5 and the second flushing pipeline 6；
First flushing pipeline 5 and the import of the second flushing pipeline 6 are respectively equipped with upper gate 2 and middle part gate 3, outlet difference
It is connected with crossing fish pipeline 1.Upper gate 2 can be opened to the top of the first flushing pipeline 5, cross the exit of fish pipeline 1 open completely and
Three kinds of states are closed, the first flushing pipeline 5 is can control and crosses fish pipeline 1；Middle part gate 3 can be opened on the second flushing pipeline 6
Portion, three kinds of states are opened and closed in fish pipeline 1 completely crossing, can control the second flushing pipeline 6 and cross fish pipeline 1；Cross fish pipe
The upper, middle and lower in road 1 is respectively equipped with upper gate 2, middle part gate 3 and aft-gate 4, aft-gate 4 to open and
Close two states.Pore plate energy dissipation device is equipped with inside two layers of flushing pipeline（Dashed forward i.e. in pipeline provided with orifice plate by current
The energy dissipating to current is realized in contracting and sudden expansion）, upper and lower ends inlet and outlet be equipped with fish screen.In order that class fish are past to cross fish pipeline 1
Top trip go, can aft-gate 4 set vibrator, the vibrator setting in motion when closing aft-gate 4, make fish no longer to
Trip is gone at aft-gate 4, while the inlet and outlet in pipeline and middle part, is provided with infrared monitoring device to monitor movement pattern of fish condition；Should
Fish pass adds middle part gate design using double-deck flushing pipeline, only voluntarily can be washed by water using river water levels of upstream and downstream difference into fish pass,
And realize flushing pipeline and mutually separate with crossing fish pipeline, significantly reduce the current and hydraulic pressure pair under middle high water head running situation
Influenceed caused by healthy fish.The water storage of upper gate and middle part gatehouse, saves flushing period, improved fish efficiency,
And the half water in fish pass only need to be downstream discharged after the completion of a cycle, save upstream inpoundment resource.
Operation principle of the present utility model is：
When initial, upper gate 2, middle part gate 3 are closed and two gatehouse pipe full water；Aft-gate 4 is opened, now
Water level flushes with the level of tail water in aft-gate 4.After fish enter aft-gate 4, aft-gate 4 is closed；Open middle part lock
Door 3 to the second flushing pipeline 6 top, the current that the middle part top of gate 3 stops are made to enter fish pipeline by the second flushing pipeline 6
1 bottom, fish can rise crossing in fish pipeline 1 with the rise of water level, and realize flushing pipeline with crossing fish pipeline point
Separate, reduce current of being washed by water in pipeline as far as possible to influence caused by fish.Now water level is still less than upper water in pipeline
Position, middle part gate is opened completely and opens upper gate 2 to the top of the first flushing pipeline 5, now upper water stream passes through first
Flushing pipeline 5 flows into, and makes water level in fish pipeline 1 continue to rise, while still reduces bath current to caused by fish
Influence.Water level in fish pipeline 1 has been served as to gradually rise to after flushing with upper pond level, completely open upper gate 2, at this moment pipeline with
Upstream connects.Fish can be voluntarily swum into upstream.Finally, first close middle part gate 3 and turn off upper gate 2, open aft-gate
4.Now, full water is rushed between upper gate 2 and middle part gate 3, and water level is equal with downstream again in aft-gate 4, fish by
Under swim over to a cycle of upstream process and terminate.Then reciprocating operation said process, this fish pass are applicable to the mistake of middle high dam type
Fish requires.
Compared with traditional fish pass, the utility model is designed the utility model using penstock on downstream dam sur formula, cross the closing of fish process by
Extraneous factor influence is small, and fish are not required to expend a large amount of muscle power during fish is crossed, suitable for a variety of different fish.Fish pass main body
Part is not passed through dam body, smaller to dam body agent structure stabilizing influence, and the fish pass adds middle part gate to set using double-deck flushing pipeline
It meter, only can voluntarily be washed by water using river water levels of upstream and downstream difference into fish pass, and realize flushing pipeline with crossing fish pipeline phase point
Every significantly reducing current under middle high water head running situation and hydraulic pressure to influence caused by healthy fish.Upper gate is with
The water storage of portion's gatehouse, saves flushing period, improves fish efficiency, and only need to downstream be discharged after the completion of a cycle
Half water in fish pass, has saved upstream inpoundment resource.
It is to be also not limited to the example above, this skill to limitation of the present utility model, the utility model that described above, which is not,
The variations, modifications, additions or substitutions that the technical staff in art field is made in essential scope of the present utility model, it should also belong to
The scope of protection of the utility model.
Claims (5)
1. penstock on downstream dam sur formula parent population type fish pass, including dam body（7）, gate and penstock pipeline, it is characterised in that the penstock pipeline
It is interior to be provided with flushing pipeline and cross fish pipeline（1）, penstock agent structure is arranged on dam body（7）Back, the import of the penstock pipeline
Gate is respectively equipped with outlet, flushing pipeline is arranged on dam body（7）With fish pipeline excessively（1）Between.
2. penstock on downstream dam sur formula parent population type fish pass as claimed in claim 1, it is characterised in that the flushing pipeline and excessively fish pipeline
（1）It is arranged in parallel in penstock pipeline, crosses fish pipeline（1）Through dam body（7）Top.
3. penstock on downstream dam sur formula parent population type fish pass as claimed in claim 2, it is characterised in that also including middle part gate（3）, it is described
Middle part gate（3）It was arranged on fish pipeline（1）Middle part, by fish pipeline（1）It is divided into two parts up and down.
4. penstock on downstream dam sur formula parent population type fish pass as claimed in claim 3, it is characterised in that the flushing pipeline includes the first punching
Waterpipe（5）With the second flushing pipeline（6）, first flushing pipeline（5）With the second flushing pipeline（6）Import be respectively equipped with
Upper gate（2）With middle part gate（3）, outlet is respectively with crossing fish pipeline（1）It is connected.
5. penstock on downstream dam sur formula parent population type fish pass as described in claim 4, it is characterised in that described to cross fish pipeline（1）It is upper
Portion, middle part and bottom are respectively equipped with upper gate（2）, middle part gate（3）And aft-gate（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720940484.7U CN206986861U (en) | 2017-07-31 | 2017-07-31 | Penstock on downstream dam sur formula parent population type fish pass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720940484.7U CN206986861U (en) | 2017-07-31 | 2017-07-31 | Penstock on downstream dam sur formula parent population type fish pass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206986861U true CN206986861U (en) | 2018-02-09 |
Family
ID=61417402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720940484.7U Expired - Fee Related CN206986861U (en) | 2017-07-31 | 2017-07-31 | Penstock on downstream dam sur formula parent population type fish pass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206986861U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677893A (en) * | 2018-06-29 | 2018-10-19 | 华电郑州机械设计研究院有限公司 | A kind of pipeline formula fish pass structure suitable for complicated landform |
| CN109235386A (en) * | 2018-09-14 | 2019-01-18 | 昆明理工大学 | Formula crosses fish device and its application method behind a kind of dam |
| CN109853492A (en) * | 2019-03-28 | 2019-06-07 | 中水珠江规划勘测设计有限公司 | Gate valve duct type crosses fish method |
| CN112921907A (en) * | 2021-04-06 | 2021-06-08 | 范鹏飞 | Concrete gravity dam convenient to fish migratory |
| CN115387296A (en) * | 2021-05-16 | 2022-11-25 | 李飞 | Dam migration channel |
-
2017
- 2017-07-31 CN CN201720940484.7U patent/CN206986861U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677893A (en) * | 2018-06-29 | 2018-10-19 | 华电郑州机械设计研究院有限公司 | A kind of pipeline formula fish pass structure suitable for complicated landform |
| CN109235386A (en) * | 2018-09-14 | 2019-01-18 | 昆明理工大学 | Formula crosses fish device and its application method behind a kind of dam |
| CN109853492A (en) * | 2019-03-28 | 2019-06-07 | 中水珠江规划勘测设计有限公司 | Gate valve duct type crosses fish method |
| CN112921907A (en) * | 2021-04-06 | 2021-06-08 | 范鹏飞 | Concrete gravity dam convenient to fish migratory |
| CN115387296A (en) * | 2021-05-16 | 2022-11-25 | 李飞 | Dam migration channel |
| CN115387296B (en) * | 2021-05-16 | 2024-05-31 | 李飞 | Dam migration channel |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20210731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |