CN107975016A - Compound fish pass system on Narrow Valleys landform dam - Google Patents
Compound fish pass system on Narrow Valleys landform dam Download PDFInfo
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- CN107975016A CN107975016A CN201711167023.1A CN201711167023A CN107975016A CN 107975016 A CN107975016 A CN 107975016A CN 201711167023 A CN201711167023 A CN 201711167023A CN 107975016 A CN107975016 A CN 107975016A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 72
- 150000001875 compounds Chemical class 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 88
- 230000007704 transition Effects 0.000 claims abstract description 45
- 230000005012 migration Effects 0.000 claims abstract description 42
- 238000013508 migration Methods 0.000 claims abstract description 42
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 23
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000017448 oviposition Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- E02B8/085—Devices allowing fish migration, e.g. fish traps
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Revetment (AREA)
Abstract
The invention discloses the compound fish pass system on a kind of Narrow Valleys landform dam, belongs to hydraulic and hydroelectric engineering annex design-build technical field.There is provided a kind of compact-sized, occupy little space, the compound fish pass system of water channel can be opened at any time according to variation of water level, the compound fish pass system includes disconnecting device, migration transition passage, the high concrete dam of multiple fishway exits and a plurality of water culvert excessively that quantity is suitable with fishway exit quantity are provided with the dam body of upstream side；Each fishway exit vertically arranged for interval on high concrete dam；It is connected respectively with each fishway exit through the water culvert of crossing after high concrete dam, the downstream side ports for crossing water culvert are connected with corresponding site of the longitudinal center line perpendicular to the migration transition passage of water (flow) direction respectively；Water culvert of crossing more than 1.5 meters of depths below the water surface of upstream side is blocked by disconnecting device, and the compound fish channel structure is connected by migration transition passage with the water body in downstream.
Description
Technical field
The present invention relates to a kind of compound fish pass system, more particularly, to the compound fish on a kind of Narrow Valleys landform dam
Road system, belongs to hydraulic and hydroelectric engineering annex design-build technical field.
Background technology
Fish pass is the passage for fish migration.Described with popular language, some fish, which have from lower reaches of river, to be migrated to river
The habit of upstream oviposition is flowed, after river has blocked river since artificial origin has such as built checkdam, fish are upstream whirled
The passage of trip will be destroyed.In order to protect the habit of fish, it is necessary to which passing through dam builds artifical flume as fish migration
Passage, i.e. referred to as fish pass.Current enter fish pass from upstream, flow out fish pass from downstream, but fish are from downstream into fish pass, from upper
Fish pass is swum out of, thus fish pass upstream intake is referred to as fishway exit, and fish pass downstream water outlet is fish pass import.
In order to realize that fish pass crosses the purpose of fish, fish pass usually requires to meet claimed below：First, depth of water requirement, fish pass domestic demand
Keep 1.0~1.5m depth of waters；2nd, slope requirement, in order to enable fish along current upstream migration, flow rate of water flow in fish pass
It is less than the speed of fish migration, this requires fish pass needs to keep a gradient that is relatively slow and stablizing；3rd, when upper pond level becomes
During change, fishway exit needs the measure that can adapt to SEA LEVEL VARIATION, it is ensured that under various water levels, it is long-term in fish pass keep 1.0~
1.5m the depth of water.
In order to meet above-mentioned requirements, at present frequently with following two fishway exit arrangements in engineering：
Existing program one
Fishway exit is arranged in checkdam upstream by the program, and sets multiple fishes at the same time along elevation in eulittoral zone
Road exports, and each outlet is controlled using 1 bulkhgead gate.The characteristics of structure, is：1st, fishway exit is arranged
In checkdam upstream；2nd, in upper pond level luffing area, fish pass multiple outlets along elevation arrangement, each fishway exit is on elevation
It is mutually linked；3rd, each fishway exit arranges the lower stream that sluices of 1 plate steel gate control.The major advantage of the structure is：
In upper pond level luffing area, each elevation section is arranged with fishway exit, when upper pond level is located at a certain elevation, only needs to open
The gate of corresponding elevation fishway exit, and close the gate of other fishway exits, you can meet 1.0~1.5m depth of waters in fish pass
It is required that.The major defect of the structure is：1st, fishway exit is arranged in upstream, longer to length along river, corresponding excavated volume
Or concrete works amount is larger, fish pass construction investment is larger；2nd, fishway exit quantity is more, and needs the feelings according to upper pond level
Condition, carries out each gate opening and closing in time, when upper pond level amplitude of fluctuation is larger, changes more frequent, fishway exit gate
Operation control is also relatively complicated.
Existing program two
Fishway exit is combined arrangement with checkdam by the program, and is set gradually along the water blocking axis of dam in eulittoral zone more
A fishway exit, each fishway exit is controlled using 1 bulkhgead gate.The advantages of structure, is：1st, by fishway exit with
Checkdam combines arrangement, is arranged successively along the water blocking axis of dam in each fishway exit horizontal direction, elevation is mutually linked on direction, phase
Adjacent fishway exit is connected by the linking channel in downstream, and lowest elevation fishway exit is connected by being connected channel with fish pass import；
2nd, for single fishway exit, upper middle part is provided with 1 plate work gate opening/closing, and downstream sets linking channel and next stage fish
Road outlet connects.The major defect of the structure is：1st, to adapt to the requirement of range of stage, upstream needs to set along the axis of dam more
A fishway exit, it is impossible to suitable for the checkdam of Narrow Valleys；2nd, since each fishway exit is both needed to set 1 plate work lock
Door, and need, according to the situation of upper pond level, to carry out each gate opening and closing in time, when upper pond level amplitude of fluctuation is larger,
When changing more frequent, the operation control of fishway exit gate is also relatively complicated.
The content of the invention
The technical problems to be solved by the invention are：It is compact-sized to provide one kind, occupies little space, can be according to upper pond level
The compound fish pass system on the Narrow Valleys landform dam of water channel is opened in change at any time.
Technical solution is used by solve above-mentioned technical problem：A kind of compound fish on Narrow Valleys landform dam
Road system, including high concrete dam and the multiple fishway exits being arranged on the high concrete dam upstream side dam body, described answers
Conjunction fish pass system further includes disconnecting device, migration transition passage and quantity a plurality of the cross water suitable with the fishway exit quantity and contains
Hole；Each fishway exit vertically arranged for interval on the high concrete dam；Institute is passed through along water (flow) direction
State the water culvert of crossing described in each bar after high concrete dam to be connected with each fishway exit correspondingly respectively, each bar
The downstream side ports phase with longitudinal center line perpendicular to the migration transition passage of water (flow) direction respectively for crossing water culvert
Position is answered to connect；Cut respectively by described more than the water culvert of crossing described in each bar of 1.5 meters of depths below the water surface of upstream side
Disconnected device removably blocks, and the compound fish channel structure is connected by the migration transition passage and the water body in downstream
It is logical.
The beneficial effects of the invention are as follows：The application is a set of including disconnecting device, migration transition passage and quantity by setting
The a plurality of compound fish pass system of crossing water culvert suitable with the fishway exit quantity, and by each fishway exit in institute
Vertically arranged for interval on the high concrete dam stated, it is each after then passing through the high concrete dam along water (flow) direction again
Water culvert of crossing described in bar is connected with each fishway exit correspondingly respectively, and makes to cross water culvert described in each bar
Downstream side ports are connected with corresponding site of the longitudinal center line perpendicular to the migration transition passage of water (flow) direction respectively；Use
When, respectively can by the disconnecting device more than the water culvert excessively described in each bar of 1.5 meters of depths below the water surface of upstream side
The closure of dismounting, and the whole compound fish channel structure is connected by the migration transition passage with the water body in downstream.
The application makes full use of the river in Narrow Valleys landform, and dam body is generally all higher, and protective slope structure is all after checkdam is built up
It is especially precipitous, so that the characteristics of change in the depth of water along river width direction is especially quick, so as to also solve existing fish pass
Outlet needs the technical problem of the arrangement gradually reduced along river width direction to the korneforos heart, realizes and each fish pass
Mouth vertically carries out arranged for interval on the high concrete dam, and then can greatly reduce concrete checkdam construction
Length, reduction goes into operation journey digging amount, and the structure of whole compound fish channel structure is become compact, reaches the mesh to occupy little space
's.Simultaneously as cut respectively by described more than the water culvert of crossing described in each bar of 1.5 meters of depths below the water surface of upstream side
Disconnected device removably blocks, and so as to open water channel at any time according to variation of water level, has remained a mistake
Water culvert is in water flowing state.
It is further vertically spaced apart each fishway exit, on the high concrete dam
Swim and be divided into two row arranged for interval along river width direction on the dam body of side；The wherein one vertically spaced apart each institute of row
It is mutually wrong on elevation between the fishway exit stated, with the vertically spaced apart each fishway exit of another row
Open；It is complete to be arranged on the projection of disconnecting device in the horizontal plane that the vertically spaced apart each bar of same row is crossed on water culvert
Full weight is folded.
Such scheme it is preferable that, the disconnecting device includes the stop log gate cell structure group containing stop log gate
Part, stop log gate of the water culvert excessively respectively by the stop log gate cell structure component corresponding position described in each are detachable
Closure.
It is further that the stop log gate cell structure component further includes lifting equipment, and the stop log gate passes through institute
The lifting equipment stated opens and closes.
Such scheme it is preferable that, in two row that are staggeredly arranged on the elevation fishway exit, a row
In single fishway exit floor elevation and the single fishway exit of corresponding position in adjacent another row top plate elevation
In same horizontal plane.
It is further that the migration transition passage includes enclosing well, turn to landing slab and connecting transition ramp, described
The connection that is gradually reduced by the steering landing slab elevation of connection transition ramp is an entirety, be connected to one it is whole
The connection transition ramp and steering landing slab of body enclose the well group synthesis migration transition passage, mistake described in each group by described
The elevation of the elevation of the downstream side ports of water culvert and the steering landing slab of corresponding position is adapted, and the migration transition is led to
Water (flow) direction of the road by the longitudinal centre line for connecting transition ramp perpendicular to river.
It is further that migration power-assisted protrusion is additionally provided with the connection transition ramp.
It is further that migration power-assisted protrusion is provided with the migration transition passage.
Brief description of the drawings
Fig. 1 is the horizontal layout schematic diagram of the compound fish pass system on Narrow Valleys landform dam of the present invention；
Fig. 2 a~Fig. 2 c are the standard-sized sheet under the A-A section view states of Fig. 1, portion separates and fully closed schematic diagram；
Fig. 3 a~Fig. 3 c are the standard-sized sheet under the B-B section view states of Fig. 1, portion separates and fully closed schematic diagram；
Fig. 4 a~Fig. 4 c are the standard-sized sheet under the C-C section view states of Fig. 1, portion separates and fully closed schematic diagram.
In figure mark for：High concrete dam 1, fishway exit 2, disconnecting device 3, excessively migration transition passage 4, water culvert 5, axis
To center line 6, stop log gate 7, stop log gate cell structure component 8, lifting equipment 9, enclose well 10, turn to landing slab 11, connection transition
Ramp 12, migration power-assisted protrusion 13.
Embodiment
It is that one kind provided by the invention is compact-sized as shown in Fig. 1~Fig. 4 c, occupies little space, can becomes according to upper pond level
Change the compound fish pass system on the Narrow Valleys landform dam for opening water channel at any time.The compound fish pass system includes
High concrete dam 1 and the multiple fishway exits 2 being arranged on the 1 upstream side dam body of high concrete dam, the compound fish pass system
System further includes disconnecting device 3, migration transition passage 4 and the quantity a plurality of excessively water culvert 5 suitable with 2 quantity of fishway exit；
Each fishway exit 2 vertically arranged for interval on the high concrete dam 1；Along water (flow) direction described in
Water culvert 5 of crossing described in each bar behind high 1 dam of concrete is connected with each fishway exit 2 correspondingly respectively, respectively
The downstream side ports of the water culvert 5 migration transition passage 4 with longitudinal center line 6 perpendicular to water (flow) direction respectively is crossed described in bar
Corresponding site connection；Water culvert 5 is crossed respectively by described more than described in each bar of 1.5 meters of depths below the water surface of upstream side
Disconnecting device 3 removably block, the compound fish channel structure passes through the water in the migration transition passage 4 and downstream
Body connects.The application is a set of including disconnecting device 3, migration transition passage 4 and quantity and 2 quantity of fishway exit by setting
The suitable a plurality of compound fish pass system for crossing water culvert 5, and by each fishway exit 2 in the high concrete dam 1
On vertically arranged for interval, cross water described in each bar after then passing through the high concrete dam 1 along water (flow) direction again
Culvert 5 is connected with each fishway exit 2 correspondingly respectively, and makes the downstream side that water culvert 5 is crossed described in each bar
Mouth is connected with corresponding site of the longitudinal center line 6 perpendicular to the migration transition passage 4 of water (flow) direction respectively；In use, position
It is detachable by the disconnecting device 3 respectively more than the water culvert 4 excessively described in each bar of 1.5 meters of depths below the water surface of upstream side
Closure, and the compound fish channel structure is connected by the migration transition passage 4 with the water body in downstream.This Shen
Please making full use of the river in Narrow Valleys landform, dam body is generally all higher, and protective slope structure is all special after checkdam is built up
It is precipitous, so that the characteristics of change in the depth of water along river width direction is especially quick, so as to also solve existing fishway exit
The technical problem of arrangement gradually reduced along river width direction to the korneforos heart is needed, is realized each fishway exit 2
Arranged for interval is vertically carried out on the high concrete dam 1, and then concrete checkdam construction can be greatly reduced
Length, reduction goes into operation journey digging amount, and the structure of whole compound fish channel structure is become compact, reaches the mesh to occupy little space
's.Simultaneously as water culvert 5 is crossed respectively by described more than described in each bar of 1.5 meters of depths below the water surface of upstream side
Disconnecting device 3 removably blocks, and so as to open water channel at any time according to variation of water level, has remained one
Cross water culvert and be in water flowing state.
In the above embodiment, in order to ensure to be respectively provided with fishway exit along each elevation location of short transverse, with
Easy to ensure the passage for having for fish migration all the time, vertically spaced apart each fishway exit 2, described
It is divided into two row arranged for interval along river width direction on the dam body of 1 upstream side of high concrete dam；Between wherein one arranges vertically
Every each fishway exit 2 of arrangement, with the vertically spaced apart each fishway exit 2 of another row it
Between mutually stagger on elevation；It is arranged on the vertically spaced apart each bar of same row and crosses disconnecting device 3 on water culvert 5
Projection in the horizontal plane is completely overlapped, and at this time, preferred embodiment is two row being staggeredly arranged on the elevation fish pass
In outlet, the floor elevation and the single fishway exit of corresponding position in adjacent another row of the single fishway exit in a row
Top plate elevation be located in same horizontal plane.Equally, it is described in order to ensure that each passage for fish migration is all unimpeded at any time
Disconnecting device 3 include the stop log gate cell structure component 8 containing stop log gate 7, the water culvert 5 of crossing described in each passes through respectively
The stop log gate 7 of 8 corresponding position of stop log gate cell structure component removably blocks；The stop log gate cell structure component
8 further include lifting equipment 9, and the stop log gate 7 is opened and closed by the lifting equipment 9.
Further, in order to improve the compact-sized of herein described compound fish pass system to greatest extent, to greatest extent
Reduction occupied space, while can guarantee that again fish migration need passage the gradient and water velocity, the migration transition
Passage 4 includes enclosing well 10, turn to landing slab 11 and connecting transition ramp 12, and the connection transition ramp 12 passes through described turn
The connection gradually reduced to 11 elevation of landing slab is an entirety, is connected to the connection transition ramp 12 of an entirety and turns
The migration transition passage is combined into by the well 10 that encloses to landing slab 11, the downstream of water culvert 5 is crossed described in each group
The elevation of the elevation of port and the steering landing slab 11 of corresponding position is adapted, and the migration transition passage 4 is by described
Connect water (flow) direction of the longitudinal centre line perpendicular to river of transition ramp 12；Preferred embodiment at this time is in the connection
Cross on ramp 12 and be additionally provided with migration power-assisted protrusion 13.
In conclusion the beneficial effect of the application is：
1st, fish pass is arranged with checkdam structure in two separate ranks, with excavation of the existing program one than that can greatly save fishway exit
And concrete works amount；Compare with existing program two, the checkdam that fishway exit takes is smaller along the length in axis of dam direction, can
Adapt to the orographic condition of Narrow Valleys.
2nd, same row fishway exit shares one of gate slot, and two row fishway exits share 1 gantry crane, can save
The investment of gate and equipment etc.；Since gate quantity is reduced, along with Stoplog gate is highly small, light-weight, the operation control of gate
Also it is more simple.
3rd, for the structure, when upper pond level is located at certain fishway exit working water level section, two row fish pass are passed through
Stoplog gate the aperture below the fishway exit floor elevation is closed, you can the fishway exit is in over-current state, and with
Under fishway exit be closed；Thus, under any upper pond level, it can remain that only 1 upper pond level is attached
Near fishway exit is in over-current state；When upper pond level changes, suitably increase or reduce by two row fishway exits
Stoplog gate, can realize the switching for overcurrent fishway exit, reach adapt to upper pond level luffing requirement.
Embodiment one
The present invention is further described with reference to the accompanying drawings and examples：
The key structural feature of the present invention：
A. fishway exit is combined arrangement with checkdam in two separate ranks, and the axis of same row fishway exit overlaps, upper and lower layer fish pass
The floor elevation difference 2h of outlet, two row fishway exits stagger on elevation, horizontally adjacent two fishway exits floor elevation phase
Poor h；
B. same row fishway exit shares one of gate slot, gate slot bottom elevation and the minimum level-one fishway exit bottom plate of the row
Elevation flushes, and using Stoplog gate water blocking, monolithic Stoplog gate is highly 2h, and two row fishway exits share 1 gantry crane, gate-type
Crane is moved by wharf portal crane track between two row fishway exits；
C. two horizontally adjacent row fishway exits are connected by the connection channel after being arranged in checkdam dam.
2. the beneficial effects of the invention are as follows：
A. fishway exit is combined arrangement with checkdam, can greatly save fishway exit foundation excavation and structural concrete work
Cheng Liang, is conducive to save construction investment；
B. fishway exit in two separate ranks, layered arrangement, fishway exit take checkdam it is smaller along axis of dam direction length, energy
Enough adapt to the orographic condition of Narrow Valleys；
C. same row fishway exit shares one of gate slot, and using Stoplog gate water blocking, two row fishway exits share 1 gate-type
Crane, can save significantly on the investment of gate and opening and closing device；
D. compare with existing program one, two, gate quantity substantially reduces；Further, since Stoplog gate is highly small, light-weight, two
The Stoplog gate pattern of row fishway exit is identical, and the operation of gate, control, maintenance etc. are also simpler.
E. for the fishway exit structure：
(a), will be all by gantry crane and hawser when reservoir level is less than minimum level-one fishway exit bottom elevation
Stoplog gate sling, you can the maintenance of Stoplog gate is realized, as shown in attached drawing 2a, attached drawing 3a and attached drawing 4a；
(b) when reservoir level is located at the 1st grade of (minimum level-one) fishway exit working water level section, gantry crane is passed through
All Stoplog gates are fallen with hawser, you can realize the overcurrent of the 1st grade of fishway exit；
(c) when reservoir level is located at the 2nd grade of fishway exit working water level section, by gantry crane and hawser by
Lock under the Stoplog gate of 1 grade of fishway exit, you can realize the overcurrent of the 2nd grade of fishway exit；
(d) when reservoir level is located at 3rd level fishway exit working water level section, by gantry crane and hawser by
1st, lock under the Stoplog gate of 2 grades of fishway exits, you can the overcurrent of 3rd level fishway exit is realized, such as attached drawing 2b, attached drawing 3b and attached drawing 4b
It is shown；
(e) and so on, when upper pond level is located at certain fishway exit working water level section, gantry crane only need to be passed through
With hawser by lock under the Stoplog gate of following fishway exit, you can realize that only having the fishway exit is in over-current state；Work as upper water
When position changes, it only need to suitably increase or reduce the Stoplog gate of two row fishway exits, can realize and overcurrent fish pass is gone out
The switching of mouth, adapts to the change of upper pond level；
(f) when upper pond level is higher, does not allow fishway exit overcurrent, need to will only own by gantry crane and hawser
Fishway exit Stoplog gate under lock, you can all fishway exits is in the state of not overcurrent, such as attached drawing 2c, attached drawing 3c
And shown in attached drawing 4c.
Claims (8)
1. the compound fish pass system on a kind of Narrow Valleys landform dam, including high concrete dam (1) and it is arranged on the coagulation
Multiple fishway exits (2) on the dam body of native high dam (1) upstream side, it is characterised in that：The compound fish pass system, which further includes, cuts
Disconnected device (3), migration transition passage (4) and the quantity a plurality of excessively water culvert (5) suitable with the fishway exit (2) quantity；Respectively
A fishway exit (2) vertically arranged for interval on the high concrete dam (1)；Institute is passed through along water (flow) direction
State described in each bar after high concrete dam (1) cross water culvert (5) respectively correspondingly with each fishway exit (2)
Connect, the downstream side ports that water culvert (5) is crossed described in each bar are whirled with longitudinal center line (6) perpendicular to described in water (flow) direction respectively
Swim the corresponding site connection of transition passage (4)；Below the water surface of upstream side water culvert is crossed more than described in each bar of 1.5 meters of depths
(5) removably blocked by the disconnecting device (3) respectively, the compound fish channel structure passes through the migration transition
Passage (4) is connected with the water body in downstream.
2. the compound fish pass system on Narrow Valleys landform dam according to claim 1, it is characterised in that：Along vertically
The spaced apart each fishway exit (2) in direction, the road width along the river on the dam body of the high concrete dam (1) upstream side
Degree direction is divided into two row arranged for interval；The vertically spaced apart each fishway exit (2) of wherein one row, it is and another
Mutually stagger on elevation between the vertically spaced apart each fishway exit (2) of one row；It is arranged on same
The projection of disconnecting device (3) in the horizontal plane that the vertically spaced apart each bar of row is crossed on water culvert (5) is completely overlapped.
3. the compound fish pass system on Narrow Valleys landform dam according to claim 2, it is characterised in that：Described
Disconnecting device (3) includes the stop log gate cell structure component (8) containing stop log gate (7), and the water culvert (5) of crossing described in each divides
Do not blocked removably by the stop log gate (7) of stop log gate cell structure component (8) corresponding position.
4. the compound fish pass system on Narrow Valleys landform dam according to claim 3, it is characterised in that：Described
Stop log gate cell structure component (8) further includes lifting equipment (9), and the stop log gate (7) is opened by the lifting equipment (9)
Open and close.
5. the compound fish pass system on Narrow Valleys landform dam according to claim 2,3 or 4, it is characterised in that：
In the fishway exit described in two row being staggeredly arranged on elevation, the floor elevation and phase of the single fishway exit in a row
The top plate elevation of the single fishway exit of corresponding position is located in same horizontal plane in adjacent another row.
6. the compound fish pass system on Narrow Valleys landform dam according to claim 5, it is characterised in that：Described
Migration transition passage (4) includes enclosing well (10), turns to landing slab (11) and connection transition ramp (12), the connection transition slope
The connection that plate (12) is gradually reduced by described steering landing slab (11) elevation is an entirety, is connected to an entirety
Connection transition ramp (12) and turn to landing slab (11) the migration transition passage be combined into by the described well (10) that encloses,
The elevation that the elevation and the steering landing slab (11) of corresponding position of the downstream side ports of water culvert (5) are crossed described in each group is mutually fitted
Should, current of the migration transition passage (4) by the longitudinal centre line for connecting transition ramp (12) perpendicular to river
Direction.
7. the compound fish pass system on Narrow Valleys landform dam according to claim 6, it is characterised in that：Described
Connection transition ramp (12) on to be additionally provided with migration power-assisted raised (13).
8. the compound fish pass system on Narrow Valleys landform dam according to claim 1, it is characterised in that：Described
Migration transition passage (4) on to be provided with migration power-assisted raised (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167023.1A CN107975016A (en) | 2017-11-21 | 2017-11-21 | Compound fish pass system on Narrow Valleys landform dam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167023.1A CN107975016A (en) | 2017-11-21 | 2017-11-21 | Compound fish pass system on Narrow Valleys landform dam |
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| CN107975016A true CN107975016A (en) | 2018-05-01 |
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| CN201711167023.1A Pending CN107975016A (en) | 2017-11-21 | 2017-11-21 | Compound fish pass system on Narrow Valleys landform dam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468806A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fish pass import or export structure being layered fish |
| CN110468807A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of more imports of fish pass or multiple exit concentration are arranged in juxtaposition structure |
| CN111893961A (en) * | 2020-07-21 | 2020-11-06 | 长江勘测规划设计研究有限责任公司 | Fishway outlet gate arrangement structure adapting to large water level amplitude variation and use method thereof |
| CN111893965A (en) * | 2020-07-21 | 2020-11-06 | 长江勘测规划设计研究有限责任公司 | Fishway outlet structure adapting to large water level amplitude variation and fish passing method thereof |
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| JPH0782727A (en) * | 1993-09-13 | 1995-03-28 | Ishikawajima Harima Heavy Ind Co Ltd | Fishway device |
| JP2000290980A (en) * | 1999-04-09 | 2000-10-17 | Hokoku Kogyo Co Ltd | Fishway facility with hydro-power station |
| CN106522177A (en) * | 2016-11-18 | 2017-03-22 | 中国电建集团成都勘测设计研究院有限公司 | Fishway system arranged inside water retaining dam |
| CN207484432U (en) * | 2017-11-21 | 2018-06-12 | 中国电建集团成都勘测设计研究院有限公司 | Compound fish pass system on Narrow Valleys landform dam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0782727A (en) * | 1993-09-13 | 1995-03-28 | Ishikawajima Harima Heavy Ind Co Ltd | Fishway device |
| JP2000290980A (en) * | 1999-04-09 | 2000-10-17 | Hokoku Kogyo Co Ltd | Fishway facility with hydro-power station |
| CN106522177A (en) * | 2016-11-18 | 2017-03-22 | 中国电建集团成都勘测设计研究院有限公司 | Fishway system arranged inside water retaining dam |
| CN207484432U (en) * | 2017-11-21 | 2018-06-12 | 中国电建集团成都勘测设计研究院有限公司 | Compound fish pass system on Narrow Valleys landform dam |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468806A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of fish pass import or export structure being layered fish |
| CN110468807A (en) * | 2019-07-09 | 2019-11-19 | 中国电建集团华东勘测设计研究院有限公司 | A kind of more imports of fish pass or multiple exit concentration are arranged in juxtaposition structure |
| CN110468807B (en) * | 2019-07-09 | 2021-06-01 | 中国电建集团华东勘测设计研究院有限公司 | Fishway multi-inlet or multi-outlet centralized parallel arrangement structure |
| CN110468806B (en) * | 2019-07-09 | 2021-06-01 | 中国电建集团华东勘测设计研究院有限公司 | Fishway inlet or outlet structure capable of passing fishes in layers |
| CN111893961A (en) * | 2020-07-21 | 2020-11-06 | 长江勘测规划设计研究有限责任公司 | Fishway outlet gate arrangement structure adapting to large water level amplitude variation and use method thereof |
| CN111893965A (en) * | 2020-07-21 | 2020-11-06 | 长江勘测规划设计研究有限责任公司 | Fishway outlet structure adapting to large water level amplitude variation and fish passing method thereof |
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Application publication date: 20180501 |