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CN107975016A - Compound fish pass system on Narrow Valleys landform dam - Google Patents

Compound fish pass system on Narrow Valleys landform dam Download PDF

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Publication number
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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CN
China
Prior art keywords
water
dam
fish pass
fishway exit
fishway
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Pending
Application number
CN201711167023.1A
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Chinese (zh)
Inventor
张公平
陈钰鑫
唐忠敏
刘天为
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Application filed by PowerChina Chengdu Engineering Co Ltd filed Critical PowerChina Chengdu Engineering Co Ltd
Priority to CN201711167023.1A priority Critical patent/CN107975016A/en
Publication of CN107975016A publication Critical patent/CN107975016A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/08Fish passes or other means providing for migration of fish; Passages for rafts or boats
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B8/00Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/08Fish passes or other means providing for migration of fish; Passages for rafts or boats
    • E02B8/085Devices allowing fish migration, e.g. fish traps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/60Ecological corridors or buffer zones

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • 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

Compound fish pass system on Narrow Valleys landform dam
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).
CN201711167023.1A 2017-11-21 2017-11-21 Compound fish pass system on Narrow Valleys landform dam Pending CN107975016A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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
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
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

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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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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
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
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

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Application publication date: 20180501