Nothing Special   »   [go: up one dir, main page]

CN107700441A - Compound fish channel structure on Narrow Valleys landform dam - Google Patents

Compound fish channel structure on Narrow Valleys landform dam Download PDF

Info

Publication number
CN107700441A
CN107700441A CN201711166984.0A CN201711166984A CN107700441A CN 107700441 A CN107700441 A CN 107700441A CN 201711166984 A CN201711166984 A CN 201711166984A CN 107700441 A CN107700441 A CN 107700441A
Authority
CN
China
Prior art keywords
dam
channel structure
water
fishway exit
fishway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711166984.0A
Other languages
Chinese (zh)
Inventor
张公平
唐忠敏
佘鸿翔
陈相楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PowerChina Chengdu Engineering Co Ltd
Original Assignee
PowerChina Chengdu Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PowerChina Chengdu Engineering Co Ltd filed Critical PowerChina Chengdu Engineering Co Ltd
Priority to CN201711166984.0A priority Critical patent/CN107700441A/en
Publication of CN107700441A publication Critical patent/CN107700441A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Artificial Fish Reefs (AREA)

Abstract

The invention discloses the compound fish channel structure on a kind of Narrow Valleys landform dam, belongs to Hydraulic and Hydro-Power Engineering annex design-build technical field.A kind of compact-sized, compound fish channel structure on Narrow Valleys landform dam to occupy little space is provided.Described compound fish channel structure is included in the high concrete dam that multiple fishway exits are set on the dam body of upstream side, and described compound fish channel structure also includes migration transition passage and multigroup water culvert excessively;Each described fishway exit vertically arranged for interval on described high concrete dam;Water culvert of crossing described in each group after passing through the high concrete dam along water (flow) direction is connected with each described fishway exit correspondingly respectively, the downstream side ports that water culvert is crossed described in each group are connected with corresponding site of the central axis in the migration transition passage of water (flow) direction respectively, and described compound fish channel structure is connected by described migration transition passage with the water body in downstream.

Description

Compound fish channel structure on Narrow Valleys landform dam
Technical field
The present invention relates to a kind of compound fish channel structure, more particularly, to the compound fish on a kind of Narrow Valleys landform dam Road structure, belong to Hydraulic and Hydro-Power 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 spawning is flowed, after river has blocked river because 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 delivery port 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 that fish can be 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 to need to keep a relatively slow and stable gradient;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:
1 existing program one
Fishway exit is arranged in checkdam upstream by the program, and sets multiple fishes simultaneously in eulittoral zone interior edge elevation Road is exported, 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, each gate opening and closing are carried out in time, when upper pond level amplitude of fluctuation is larger, changes more frequent, fishway exit gate Operation control is also relatively complicated.
2 existing programs two
Fishway exit is combined arrangement with checkdam by the program, and is set gradually along the dash axis of dam in eulittoral zone more Individual 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 dash 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 more along axis of dam setting Individual fishway exit, it is impossible to suitable for the checkdam of Narrow Valleys;2nd, because 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:A kind of compact-sized, Narrow Valleys landform to occupy little space is provided Compound fish channel structure on dam.
Technical scheme is used by solve above-mentioned technical problem:A kind of compound fish on Narrow Valleys landform dam Road structure, including high concrete dam and the multiple fishway exits being arranged on the high concrete dam upstream side dam body, described answers Fish channel structure is closed also including migration transition passage and the quantity multigroup excessively water culvert suitable with the fishway exit quantity;Each institute The fishway exit stated vertically arranged for interval on described high concrete dam;It is high along water (flow) direction through the concrete Water culvert of crossing described in each group behind dam is connected with each described fishway exit correspondingly respectively, and water is crossed described in each group and is contained The downstream side ports in hole connect with corresponding site of the central axis in the migration transition passage of water (flow) direction respectively, described Compound fish channel structure connected by described migration transition passage with the water body in downstream.
The beneficial effects of the invention are as follows:The application passes through a set of including migration transition passage and quantity and the fish in setting The suitable multigroup compound fish channel structure for crossing water culvert of road export volume, and by each described fishway exit in described coagulation Vertically arranged for interval on native high dam, then again by each group along water (flow) direction through the high concrete dam described in mistake Water culvert is connected with each described fishway exit correspondingly respectively, and makes the downstream side ports that water culvert is crossed described in each group Connected respectively with corresponding site of the central axis in the migration transition passage of water (flow) direction, make described compound fish pass knot Structure connects the compound fish channel structure for forming complete set by described migration transition passage with the water body in downstream.The application fills Dividing using the river in Narrow Valleys landform after checkdam is built up, dam body is typically all higher, and protective slope structure is all especially precipitous, So that change of the depth of water along river course width especially rapidly the characteristics of, need edge so as to also solve existing fishway exit The technical problem for the arrangement that river width direction gradually reduces to the korneforos heart, realize each described fishway exit described Arranged for interval is vertically carried out on high concrete dam, and then the length of concrete checkdam construction can be substantially reduced, is subtracted The small journey digging amount that goes into operation, and the structure of whole compound fish channel structure is become compact, reach the purpose to occupy little space.
It is further vertically spaced apart each described fishway exit, on the high concrete dam Swim and be divided into two row arranged for interval along river course width on the dam body of side;The wherein one vertically spaced apart each institute of row Fishway exit is stated, is mutually staggered on elevation between another vertically spaced apart each fishway exit of row.
Such scheme it is preferable that, in the described fishway exit of two row that are staggeredly arranged on elevation, 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 described migration transition passage includes enclosing well, turn to landing slab and connecting transition ramp, described The connection that is gradually reduced by described steering landing slab elevation of connection transition ramp is an entirety, be connected to one it is whole The connection transition ramp of body synthesizes described migration transition passage, mistake described in each group with turning to landing slab by the described well group that encloses The elevation of the elevation of the downstream side ports of water culvert and the steering landing slab of corresponding position is adapted, and described migration transition is led to Water (flow) direction of the road by the longitudinal centre line for connecting transition ramp perpendicular to river course.
It is further that migration power-assisted projection is additionally provided with described connection transition ramp.
It is further to be also preset with cut-out mounting hole respectively in crossing on water culvert described in each group.
It is further that the cut-out mounting hole crossed described in each group on same vertical curve on water culvert is in horizontal plane Interior projection is completely overlapped.
Brief description of the drawings
Fig. 1 is the horizontal layout schematic diagram of the compound fish channel structure on Narrow Valleys landform dam of the present invention;
Fig. 2 is Fig. 1 A-A sectional views;
Fig. 3 is Fig. 1 B-B sectional views;
Fig. 4 is the A-A sectional views of Fig. 1 another structure;
Fig. 5 is the B-B sectional views of Fig. 1 another structure.
In figure mark for:High concrete dam 1, fishway exit 2, migration transition passage 3, cross water culvert 4, center line 5, enclose well 6th, turn to landing slab 7, connection transition ramp 8, migration power-assisted projection 9, cut-out mounting hole 10.
Embodiment
As shown in Figure 1, Figure 2, it is that one kind provided by the invention is compact-sized shown in Fig. 3, Fig. 4 and Fig. 5, what is occupied little space is narrow Compound fish channel structure on narrow river valley landform dam.Described compound fish channel structure includes high concrete dam 1 and is arranged on this Multiple fishway exits 2 on the upstream side dam body of high concrete dam 1, described compound fish channel structure also include migration transition passage 3 The multigroup excessively water culvert 4 suitable with the quantity of fishway exit 2 with quantity;Each described fishway exit 2 is in described coagulation Vertically arranged for interval on native high dam 1;Water of crossing described in each group after passing through the high concrete dam 1 along water (flow) direction is contained Hole 4 is connected with each described fishway exit 2 correspondingly respectively, and the downstream side ports difference of water culvert 4 is crossed described in each group Connected with corresponding site of the center line 5 perpendicular to the migration transition passage 3 of water (flow) direction, described compound fish channel structure leads to Described migration transition passage 3 is crossed to connect with the water body in downstream.The application passes through a set of including migration transition passage 3 in setting Suitable with the quantity of fishway exit 2 with quantity multigroup compound fish channel structure for crossing water culvert 4, and by each described fish pass The vertically arranged for interval on described high concrete dam 1 of outlet 2, then will pass through the concrete along water (flow) direction again Water culvert 4 of crossing described in each group of high dam 1 is connected with each described fishway exit 2 correspondingly respectively, and makes each group institute The downstream side ports of water culvert 4 were stated respectively to center line 5 perpendicular to the corresponding portion of the migration transition passage 3 of water (flow) direction Position connection, described compound fish channel structure is set to connect composition with the water body in downstream by described migration transition passage 3 a set of Complete compound fish channel structure.The application makes full use of the river in Narrow Valleys landform, and dam body is general after checkdam is built up It is all higher, and protective slope structure is all especially precipitous so that change of the depth of water along river course width especially rapidly the characteristics of, so as to Can also solve the technical problem for the arrangement that existing fishway exit needs gradually reduce along river course width to the korneforos heart, realize Each described fishway exit is vertically subjected to arranged for interval on described high concrete dam, and then can be dropped significantly The length of low concrete checkdam construction, reduce the journey digging amount that goes into operation, and the structure of whole compound fish channel structure is become compact, reach To the purpose to occupy little space.
In above-mentioned embodiment, in order to ensure that each point along depth of water direction kept water function at any time, along vertical The spaced apart each described fishway exit 2 in direction, along river width side on the dam body of the upstream side of high concrete dam 1 To being divided into two row arranged for interval;Vertically spaced apart each fishway exit 2 in wherein one row, with another row Mutually stagger on elevation between vertically spaced apart each fishway exit 2 of middle corresponding position;And In the described fishway exit 2 of two row that are staggeredly arranged on elevation, the floor elevation of a list fishway exit 2 with it is adjacent The top plate elevation of another list fishway exit 2 be located in same horizontal plane.
Meanwhile for flow velocity of the current in migration transition passage 3 that ensure to drop, meanwhile, facilitate again migration transition passage 3 with The connection crossed between water culvert 4, described migration transition passage 3 include enclosing well 6, turn to landing slab 7 and connecting transition ramp 8, The connection that described connection transition ramp 8 is gradually reduced by described steering landing slab 7 elevation as building ladder step is one Individual entirety, the connection transition ramp 8 for being connected to an entirety are combined into institute with turning to landing slab 7 by the described well 6 that encloses The migration transition passage 3 stated, the elevation of downstream side ports and the steering landing slab of corresponding position of mistake water culvert 4 described in each group 7 elevation is adapted, and described migration transition passage 3 is by the longitudinal centre line of the connection transition ramp 8 perpendicular to river course Water (flow) direction.Now, when the gradient using connection transition ramp 8 is larger, described steering platform 7 can be arranged to wrap The structure that port turns to platform and transition turns to platform is included, the port turns to the elevation of platform and the described of corresponding site crosses water The elevation of the downstream side ports of culvert 4 is adapted, and described transition turns to the two neighboring institute that platform is arranged in same vertical curve The port stated turns to the centre of platform.
Further, in order to facilitate the migration of fish, it is convex on described connection transition ramp 8 to be additionally provided with migration power-assisted Play 11.And the water culvert 4 of crossing for being not required to water for convenience is maintained at dissengaged positions, also divide in crossing on water culvert 4 described in each group Cut-out mounting hole 10 is not preset with;Now, the cut-out mounting hole crossed described in each group on same vertical curve on water culvert 4 10 preferably to select arrangement completely overlapped for projection in the horizontal plane.
In summary, 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, length of the checkdam that fishway exit takes along axis of dam direction is smaller, can Adapt to the orographic condition of Narrow Valleys.
2nd, same row fishway exit shares one of gate slot and a fan bulkhgead gate, can save gate and headstock gear framed bent Deng investment;Because gate quantity reduces, the operation control of gate is also more simple;Certainly, two row fishway exits can also be total to With 1 gantry crane, to save the investment of gate and equipment etc.;Due to gate quantity reduce, along with Stoplog gate is highly small, In light weight, the operation control of gate is also more simple.
3rd, for above-mentioned structure, when upper pond level is located at certain fishway exit working water level section, two row are passed through The gate of fish pass closes the aperture below the fishway exit floor elevation, you can and the fishway exit is in over-current state, and Following fishway exit is closed;Thus, under any upper pond level, only 1 upper pond level can be remained Neighbouring fishway exit is in over-current state;When upper pond level changes, two row fishway exits are suitably lifted or reduced Gate, the switching for excessively stream fishway exit can be realized, reach the requirement for adapting to upper pond level luffing.
Embodiment one
The key structural feature of the present embodiment:
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 one-level fishway exit bottom plate of the row Elevation flushes, and using Stoplog gate dash, 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.
The beneficial effect of the present embodiment is:
A. fishway exit is combined arrangement with checkdam, can greatly save fishway exit foundation excavation and structural concrete work Cheng Liang, be advantageous 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 dash, two row fishway exits share 1 gate-type Crane, the investment of gate and opening and closing device can be saved significantly on;
D. compare with existing program one, two, gate quantity substantially reduces;Further, since Stoplog gate is highly small, in 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 one-level fishway exit bottom elevation Stoplog gate is sling, you can realizes the maintenance of Stoplog gate, as shown in Figure 2;
B) when reservoir level is located at the 1st grade of (minimum one-level) fishway exit working water level section, gantry crane is passed through All Stoplog gates are fallen with hawser, you can realize the excessively stream 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 the 1st Lock under the Stoplog gate of level fishway exit, you can realize the excessively stream 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 realize the excessively stream of 3rd level fishway exit;
E) by that analogy, when upper pond level is located at certain fishway exit working water level section, gantry crane need to only 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 excessively stream fish pass is gone out The switching of mouth, adapts to the change of upper pond level, as shown in Figure 3;
F) when upper pond level is higher, does not allow fishway exit excessively stream, 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 excessively stream.
Embodiment two
The key structural feature of the present embodiment:
A. fishway exit is equally combined arrangement with checkdam in two separate ranks, and the axis of same row fishway exit overlaps, upper and lower layer The floor elevation difference 2h of fishway exit, two row fishway exits stagger on elevation, and horizontally adjacent two fishway exit bottom plates are high Journey differs h;
B. same row fishway exit shares a fan bulkhgead gate, and gate height is [2n-1] × h, passes through checkdam dam crest cloth The headstock gear framed bent and hawser put open and close, minimum one-level fishway exit bottom elevation-gate slot bottom elevation >=gate height=[2n- 1]×h;
C. two horizontally adjacent row fishway exits are connected by the connection channel after being arranged in checkdam dam.
The beneficial effect of the present embodiment is:
A. fishway exit is combined arrangement with checkdam, can greatly save fishway exit foundation excavation and structural concrete work Cheng Liang, be advantageous 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 a fan bulkhgead gate, can save gate and headstock gear framed bent Deng construction investment;Because gate quantity is reduced, operation control is also more simple;
D. for the fishway exit structure:
A) when reservoir level is less than minimum one-level fishway exit bottom elevation, by headstock gear framed bent and hawser by two fan brakes Door rises and is hung in more than checkdam crest elevation, you can completes the maintenance of gate, as shown in Figure 4;
B) when reservoir level is higher than minimum one-level fishway exit bottom elevation, and fishway exit is without lower sluicing stream, only need Two fan brake doors are dropped into relevant position, you can realize the Close All of gate, let out under fishway exit non-water flow;
C) when reservoir level is located at the 1st grade of fishway exit working water level section, on the basis of gate is fully closed, by left side Gate declines h, you can the 1st grade of fishway exit single hole aerial drainage is realized, and the fishway exit of following elevation is in the shape for closing dash State;
D) when reservoir water level descending to the 2nd grade of fishway exit working water level section, by the way that right side gate is declined into h, i.e., The 2nd grade of fishway exit single hole aerial drainage can be achieved, the fishway exit of following elevation is in the state for closing dash;
E) when reservoir level is located at minimum 1 grade of fishway exit working water level section, two fan brake Men Jun are reduced to fish pass Export below floor elevation, you can realize the excessively stream of minimum 1 grade of fishway exit.
By that analogy, when upper pond level is located at certain fishway exit working water level section, opening for two fan brake doors need to only be adjusted Closed state, you can realize that the fishway exit is in over-current state, and following fishway exit is closed;Work as upper pond level When changing, two fan brake doors suitably only need to be lifted and reduced, the switching to excessively stream fishway exit can be realized, adapt to upstream The change of water level, as shown in Figure 5.

Claims (8)

1. the compound fish channel structure 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:Described compound fish channel structure also includes whirling Swim transition passage (3) and quantity it is suitable with the fishway exit (2) quantity it is multigroup mistake water culvert (4);Each described fish pass Export (2) vertically arranged for interval on described high concrete dam (1);The high concrete dam is passed through along water (flow) direction (1) the water culvert (4) of crossing described in each group after is connected with each described fishway exit (2) correspondingly respectively, each group institute The downstream side ports of water culvert (4) were stated respectively with center line (5) perpendicular to the migration transition passage (3) of water (flow) direction Corresponding site is connected, and described compound fish channel structure is connected by described migration transition passage (3) with the water body in downstream.
2. the compound fish channel structure on Narrow Valleys landform dam according to claim 1, it is characterised in that:Along vertically The spaced apart each described fishway exit (2) in direction, it is wide along river course on the dam body of the high concrete dam (1) upstream side Degree direction is divided into two row arranged for interval;The wherein one vertically spaced apart each fishway exit (2) of row is and another Mutually stagger on elevation between the vertically spaced apart each fishway exit (2) of row.
3. the compound fish channel structure on Narrow Valleys landform dam according to claim 2, it is characterised in that:In elevation On in the described fishway exit (2) of two row that are staggeredly arranged, the floor elevation and phase of the single fishway exit (2) in a row The top plate elevation of the single fishway exit (2) of corresponding position is located in same horizontal plane in adjacent another row.
4. according to the compound fish channel structure on Narrow Valleys landform dam according to any one of claims 1 to 3, its feature It is:Described migration transition passage (3) includes enclosing well (6), turns to landing slab (7) and connection transition ramp (8), described company It is an entirety to take over the connection crossed ramp (8) and gradually reduced by described steering landing slab (7) elevation, is connected to one Individual overall connection transition ramp (8) with turn to landing slab (7) by it is described enclose well (6) and be combined into described migration transition lead to Road (3), the elevation of the elevation of the downstream side ports of mistake water culvert (4) and the steering landing slab (7) of corresponding position described in each group It is adapted, water of the described migration transition passage (3) by the longitudinal centre line for connecting transition ramp (8) perpendicular to river course Flow direction.
5. the compound fish channel structure on Narrow Valleys landform dam according to claim 4, it is characterised in that:Described Connection transition ramp (8) on to be additionally provided with migration power-assisted raised (9).
6. the compound fish channel structure on Narrow Valleys landform dam according to claim 5, it is characterised in that:In each group Described crossing on water culvert (4) is also preset with cut-out mounting hole (10) respectively.
7. the compound fish channel structure on Narrow Valleys landform dam according to claim 6, it is characterised in that:Positioned at same The projection of the cut-out mounting hole (10) crossed described in each group on one vertical curve on water culvert (4) in the horizontal plane is completely overlapped.
8. the compound fish channel structure on Narrow Valleys landform dam according to claim 1, it is characterised in that:Described Migration transition passage (3) on install that to be equipped with migration power-assisted raised (9).
CN201711166984.0A 2017-11-21 2017-11-21 Compound fish channel structure on Narrow Valleys landform dam Pending CN107700441A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711166984.0A CN107700441A (en) 2017-11-21 2017-11-21 Compound fish channel structure on Narrow Valleys landform dam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711166984.0A CN107700441A (en) 2017-11-21 2017-11-21 Compound fish channel structure on Narrow Valleys landform dam

Publications (1)

Publication Number Publication Date
CN107700441A true CN107700441A (en) 2018-02-16

Family

ID=61180631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711166984.0A Pending CN107700441A (en) 2017-11-21 2017-11-21 Compound fish channel structure on Narrow Valleys landform dam

Country Status (1)

Country Link
CN (1) CN107700441A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083084A (en) * 2018-07-27 2018-12-25 肖政宏 A kind of auxiliary shoal of fish enters sill may upstream device
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
CN115492062A (en) * 2022-11-16 2022-12-20 中国电建集团华东勘测设计研究院有限公司 Spiral laminated fishway outlet structure suitable for large water level amplitude

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0734435A (en) * 1993-07-27 1995-02-03 Dam Suigenchi Kankyo Seibi Center Sluice chamber type fishway equipment for dam
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
JP2001152434A (en) * 1999-11-25 2001-06-05 Kes:Kk Movable type fish-pass waterway facility
KR100955709B1 (en) * 2008-12-30 2010-05-04 이지현 Fish way
CN104099910A (en) * 2014-07-02 2014-10-15 三峡大学 Fishway with automatically-lifting water level
CN105484213A (en) * 2015-12-25 2016-04-13 长江勘测规划设计研究有限责任公司 Tunnel type multi-outlet nature-like fish way
CN205348128U (en) * 2015-12-25 2016-06-29 长江勘测规划设计研究有限责任公司 Nature fishway is imitated to tunnel formula multiple exit
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
CN207484433U (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 channel structure on Narrow Valleys landform dam

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0734435A (en) * 1993-07-27 1995-02-03 Dam Suigenchi Kankyo Seibi Center Sluice chamber type fishway equipment for dam
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
JP2001152434A (en) * 1999-11-25 2001-06-05 Kes:Kk Movable type fish-pass waterway facility
KR100955709B1 (en) * 2008-12-30 2010-05-04 이지현 Fish way
CN104099910A (en) * 2014-07-02 2014-10-15 三峡大学 Fishway with automatically-lifting water level
CN105484213A (en) * 2015-12-25 2016-04-13 长江勘测规划设计研究有限责任公司 Tunnel type multi-outlet nature-like fish way
CN205348128U (en) * 2015-12-25 2016-06-29 长江勘测规划设计研究有限责任公司 Nature fishway is imitated to tunnel formula multiple exit
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
CN207484433U (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 channel structure on Narrow Valleys landform dam

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083084A (en) * 2018-07-27 2018-12-25 肖政宏 A kind of auxiliary shoal of fish enters sill may upstream device
CN109083084B (en) * 2018-07-27 2020-06-02 汪信凯 Device for assisting fish shoal to enter upstream of river dam
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
CN115492062A (en) * 2022-11-16 2022-12-20 中国电建集团华东勘测设计研究院有限公司 Spiral laminated fishway outlet structure suitable for large water level amplitude

Similar Documents

Publication Publication Date Title
CN104480914B (en) The fish pass structure that fish pass combines with ship lock and method
CN107975016A (en) Compound fish pass system on Narrow Valleys landform dam
CN104594320A (en) Fish-passing type lock and fish-passing method
CN107700441A (en) Compound fish channel structure on Narrow Valleys landform dam
EP2464858A2 (en) Shaft power plant
CN105603943A (en) Tunnel type nature fishway imitated fish-barring lifting device and method
CN212533968U (en) Drop ecological landscape dam
CN108005040A (en) Minisize ecological natural flow station
CN106522177A (en) Fishway system arranged inside water retaining dam
DE102010034572A1 (en) Hydropower plant rake assembly
CN204356755U (en) Cross the fish gathering attracting system of fish formula ship lock
CN107700442A (en) Export structure for fish pass system
CN110258437A (en) The construction method of cruiseway engineering Mesichthyes habitat
CN207484433U (en) Compound fish channel structure on Narrow Valleys landform dam
CN207484432U (en) Compound fish pass system on Narrow Valleys landform dam
CN109371932A (en) Waterpower vertical shaft type crosses fish structure
CN207582409U (en) It changes gear the pump station structure of water in a kind of achievable river that intersects
CN207109831U (en) A kind of hill path draining slope protection system
EP2420669B1 (en) Shaft power plant with shaft flushing
CN202064323U (en) Multifunctional coastal tidal gate
CN207484431U (en) For the export structure of fish pass system
CN205954579U (en) Downstream fish structure of crossing that reservoir dam upper branch and dam lower branch combined
CN117513260A (en) Drainage structure combining diversion tunnel, drainage tunnel and vertical shaft type flood drainage tunnel
CN106592541B (en) Fish pass system of the upstream water level luffing compared with large-engineering
CN102383401A (en) Overflow water drainage integral type sluice weir

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180216