CN104912041A - Fish passing system for high dam of canyon reach - Google Patents
Fish passing system for high dam of canyon reach Download PDFInfo
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- CN104912041A CN104912041A CN201510337162.9A CN201510337162A CN104912041A CN 104912041 A CN104912041 A CN 104912041A CN 201510337162 A CN201510337162 A CN 201510337162A CN 104912041 A CN104912041 A CN 104912041A
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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
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Abstract
The invention discloses a fish passing system for a high dam of a canyon reach. The fish passing system comprises a fish collection pond, an upper fish lift and a lower fish lift, wherein the upper fish lift and the lower fish lift are arranged on the upstream river channel shore side and the downstream river channel shore side of a dam body respectively, the upper fish lift is installed at the top of the dam body through an upper steel supporting frame, an upper steel cable A and an upper steel cable B are arranged at the two ends of the upper fish lift respectively, an upper fish collection tank A is arranged on the upper steel cable A, and an upper fish collection tank B is arranged on the upper steel cable B; the two ends of the lower fish lift are installed on a fish lift platform respectively through a lower steel supporting frame, one end of the lower fish lift is connected with the upper steel cable A, the other end of the lower fish lift is connected with the fish collection pond through a lower steel cable, and a lower fish collection tank is installed on the lower steel cable. The fish lifts are arranged at the upstream and downstream positions of the dam body of the dam, fishes lured into the fish collection pond at the downstream position of the dam are driven to the fish collection tanks and then lifted and conveyed to a reservoir at the upstream position of the dam, and therefore the purposes of fish passing through the upstream and downstream positions of a dam site and fish gene exchange are realized.
Description
Technical field
The present invention relates to section, a kind of valley high dam and cross fish system, belong to Hydraulic and Hydro-Power Engineering environmental protection technical field.
Background technology
The dam site upstream and downstream fish communication channel that water resources and hydropower development relates to intercepts and fish gene communicating questions builds and runs environmental problem in the urgent need to address; for this reason; the protection fish that competent administrative department for environmental protection is general all to be related to for water resources and hydropower development and degree of susceptibility situation; propose the construction of dam site upstream and downstream fish pass structure, run and the requirement of correlative study; as fish pass, fish lock, fish lift, transporting something containerized fish system waited fish to lead fish measure, to the Sustainable Healthy Development of feasible region, river basin ecological environment.
At present, fish technology of crossing and the correlative study development of low water head Hydraulic and Hydro-Power Engineering are comparatively ripe, and application example is more, but the fish problem of crossing of high water head dam always is worldwide technological puzzle, a lot of key problems that fish technology is crossed in the large storehouse of high dam are not yet studied and are solved, especially fish problem crossed by the high water head dam being in narrow valley region, and be limited by the restriction of work arrangement condition, situation is particularly severe.
Such as, publication number is that the Chinese patent of CN204000792U discloses a kind of multistage helping and drives formula ecological fishway facility, relating to fish pass structure and Hydraulic and Hydro-Power Engineering ecological environment field, is a kind of fish pass building and mistake fish control method of being applicable to middle and high head key water control project.This is multistage helps and drives that formula ecological fishway facility comprises the fish pass unit of the stepped distribution of some levels, fish pass helps drive system, Ecology river system, fish pass energy-dissipating system and attracting monitoring system.This fish pass facility operationally, with computer automatic control system with the use of, realize fish step by step intelligence help the object of driving and tracing back.But the main conditionality factor of fish pass and characterisitic parameter are head, above-mentioned fish pass facility is mainly applicable to low water head dam, especially imitative nature fish pass, different engineering type and topographic and geologic on the Ground arrangement condition of fish pass, rises fish elevation and affects larger.Secondly, fish pass is after having laid dependency structure, mainly carries out the activity of dam site upstream and downstream according to conditions such as the current provided voluntarily by fish; What be comparatively applicable to low water head Hydraulic and Hydro-Power Engineering for above-mentioned fish pass crosses fish, for high water head dam, even if arrange, is also that local adopts, now larger by landform.Therefore, from environmental protection angle, research strong operability, the effective large storehouse of narrow valley region high dam cross fish technology, and building environmental type Hydraulic and Hydro-Power Engineering, is current problem demanding prompt solution.
Summary of the invention
For solving the problems of the technologies described above, the invention provides section, a kind of valley high dam and crossing fish system.Thus effectively alleviate water resources and hydropower development to the adverse effect of aquatic ecological environment, guarantee that Hydraulic and Hydro-Power Engineering economy, environment and social benefit have both, the real target realizing construction environmental type Hydraulic and Hydro-Power Engineering.
The present invention is achieved by the following technical programs.
A kind of section, valley high dam crosses fish system, comprise fish gathering pond and be arranged at top fish lift and the bottom fish lift on bank, dam body upstream and downstream river course respectively, described top fish lift is arranged on dam body top by upper steel bracing frame, fish lift two ends, described top are respectively arranged with top wirerope A and top wirerope B, are separately installed with upper-part centralized fish box A and upper-part centralized fish box B at top wirerope A and top wirerope B; Fish lift two ends, bottom are arranged on fish lift platform respectively by bottom bracing members frame, and fish lift one end, described bottom is connected with top wirerope A, and the other end is connected with fish gathering pond by bottom wirerope, and described bottom wirerope is provided with bottom fish-collecting box.
Described top fish lift is crossed fish track, top lifting appliance and top fish lift suspension cable by top and is formed, wherein, top is crossed fish track and is arranged on dam body top by upper steel bracing frame, and top fish lift suspension cable is connected to top by top lifting appliance and crosses fish track two ends.
Described bottom fish lift is two, and every platform fish lift crosses fish track, lower lifting structure equipment and bottom fish lift suspension cable composition by bottom, wherein, bottom is crossed fish track and is arranged on fish lift platform by bottom bracing members frame, and bottom fish lift suspension cable crosses fish track two ends by lower lifting structure equipment connection in bottom.
Described fish lift platform comprises upstream side fish lift platform and downstream fish lift machine platform, and all adopt reinforced concrete structure, upstream side fish lift platform wherein near dam body place is cone structure, and side, the downstream river course bank fish lift platform away from dam body is rectangular structure.
Described fish gathering pond adopts steel concrete to form.
Downstream, described fish gathering pond is provided with some fish inlets.
Described bottom fish-collecting box, upper-part centralized fish box A and upper-part centralized fish box B all adopt steel work.
Described top lifting appliance adopts drive pulley and follow-up pulley composition, and wherein drive pulley is driven by motor.
Described lower lifting structure equipment adopts drive pulley and follow-up pulley composition, and wherein drive pulley is driven by motor.
The invention has the beneficial effects as follows:
The present invention is by arranging fish lift in dam upstream and downstream, by dam downstream by the fish inlet in fish gathering pond lure into fish drive to fish-collecting box, and pass through fish lift, fish-collecting box promotes by wirerope, after being transported to the reservoir area of dam upstream, the fish lured into fish-collecting box are thrown in reservoir area, after releasing fish, empty set fish box is back to dam downstream by former route again, otherwise, also fish gathering pond can be set in the reservoir area of dam upstream, fish-collecting box and by lure into fish pass through fish lift, wirerope is transported to dam downstream, thus reach dam site swim across fish up and down and realize fish gene exchange object, effectively alleviate the adverse effect of water resources and hydropower development to aquatic ecological environment, strong science and technology support is provided for building environmental type Hydraulic and Hydro-Power Engineering, economical, society, obvious environment benefit.Really achieve the target of building environmental type Hydraulic and Hydro-Power Engineering.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the fish inlet in fish gathering pond in the present invention arranges schematic diagram.
In figure: 1-fish gathering pond, 2-bottom fish lift, 3-top fish lift, 4-fish lift platform, 5-bottom wirerope, 6-bottom fish-collecting box, 7-top wirerope A, 8-upper-part centralized fish box A, 9-upper-part centralized fish box B, 10-top wirerope B, 11-dam body, 12-fish inlet, 21-bottom bracing members frame, 22-crosses bottom fish track, 23-lower lifting structure equipment, 24-bottom fish lift suspension cable, 31-upper steel bracing frame, 32-crosses on top fish track, 33-top lifting appliance, 34-top fish lift suspension cable.
Detailed description of the invention
Further describe technical scheme of the present invention below, but described in claimed scope is not limited to.
As shown in Figure 1, section, a kind of valley of the present invention high dam crosses fish system, comprise fish gathering pond 1 and be arranged at top fish lift 3 and the bottom fish lift 2 on bank, dam body 11 upstream and downstream river course respectively, described top fish lift 3 is arranged on dam body 11 top by upper steel bracing frame 31, fish lift 3 two ends, described top are respectively arranged with top wirerope A7 and top wirerope B10, are separately installed with upper-part centralized fish box A8 and upper-part centralized fish box B9 at top wirerope A7 and top wirerope B10; Bottom fish lift 2 two ends are arranged on fish lift platform 4 respectively by bottom bracing members frame 21, fish lift 2 one end, described bottom is connected with top wirerope A7, the other end is connected with fish gathering pond 1 by bottom wirerope 5, and described bottom wirerope 5 is provided with bottom fish-collecting box 6.The technical program is by arranging fish lift in dam upstream and downstream, by dam downstream by the fish inlet in fish gathering pond lure into fish drive to fish-collecting box, and pass through fish lift, fish-collecting box promotes by wirerope, after being transported to the reservoir area of dam upstream, the fish lured into fish-collecting box are thrown in reservoir area, after releasing fish, empty set fish box is back to dam downstream by former route again, otherwise, also fish gathering pond can be set in the reservoir area of dam upstream, fish-collecting box and by lure into fish pass through fish lift, wirerope is transported to dam downstream, thus reach dam site swim across fish up and down and realize fish gene exchange object, effectively to alleviate the adverse effect of water resources and hydropower development to aquatic ecological environment.The technical program adopts fish lift, and is section, valley fish lift, and less by landform restriction, narrow in river valley, precipitous deep section arrangement condition is superior to fish pass greatly.The main conditionality factor of fish pass and characterisitic parameter are head, are generally applicable to low water head dam, especially imitative nature fish pass, different engineering type and topographic and geologic on the Ground arrangement condition of fish pass, rises fish elevation and affects larger.Fish pass and the structural difference of fish lift are essential, and maximum difference is driving force or the leading factor aspect of system cloud gray model.Fish pass is after having laid dependency structure, mainly carries out the activity of dam site upstream and downstream according to conditions such as the current provided voluntarily by fish; The key that fish lift runs is, fish is transported to dam site upstream and downstream relevant position by manual control mode by the fish lured into fish-collecting box.Fish pass and fish lift can reach the effect of fish.But fish pass be comparatively applicable to low water head Hydraulic and Hydro-Power Engineering cross fish, for high water head dam, fish pass lay and may, even if arrange, be also local adopt, still need to be supplemented by fish lift, i.e. " fish pass+fish lift group " syntype.For high water head dam, fish lift is arranged limited less, can consider flexibly.Therefore the fish lift scope of application in the technical program comparatively fish pass is wide, does not limit by rising fish elevation condition, also few by landform restriction, and especially solution high water head dam being crossed to the worldwide technological puzzle of fish problem, is good consideration.
Described top fish lift 3 is crossed fish track 32, top lifting appliance 33 and top fish lift suspension cable 34 by top and is formed, wherein, top is crossed fish track 32 and is arranged on dam body 11 top by upper steel bracing frame 31, and top fish lift suspension cable 34 is connected to top by top lifting appliance 33 and crosses fish track 32 two ends.Fish track 32 parallel fixations are crossed to top.
Described bottom fish lift 2 is two, and every platform fish lift is crossed fish track 22, lower lifting structure equipment 23 and bottom fish lift suspension cable 24 by bottom and is formed, wherein, bottom is crossed fish track 22 and is arranged on fish lift platform 4 by bottom bracing members frame 21, and bottom fish lift suspension cable 24 is connected to bottom by lower lifting structure equipment 23 and crosses fish track 22 two ends.Fish track 22 parallel fixations are crossed to bottom.
Described fish lift platform 4 comprises upstream side fish lift platform and downstream fish lift platform, and all adopt reinforced concrete structure, wherein: the upstream side fish lift platform near dam body 11 place is cone structure, and position is advisable not affect dam structure stability; Side, downstream river course bank fish lift platform away from dam body 11 is rectangular structure, and position and flood control standard should meet the flood control general requirement of dam downstream.
Described fish gathering pond 1 adopts steel concrete to form.General employing rectangular configuration, size should meet the attracting of dam downstream and fish-collecting box arrangement requirement, should be arranged in the region that dam downstream fish cluster is comparatively intensive, and its position and flood control standard should meet the flood control general requirement of dam downstream.
As shown in Figure 2, downstream, described fish gathering pond 1 is provided with some fish inlets 12.Its pattern generally adopts rectangle or circular configuration, and its quantity and size should to meet fish gathering pond 1 structural stability requirement.
Described bottom fish-collecting box 6, upper-part centralized fish box A8 and upper-part centralized fish box B9 all adopt steel work.And possess better closure, and all fish-collecting boxs are arranged in fish gathering pond 1 upstream side, its size with meet normally operate in fish gathering pond 1 suitable, fish-collecting box downstream sidewall, bottom can be opened for fish gathering, be put fish by automatic device, fish-collecting box top is provided with for adjusting the wirerope that it runs elevation, wirerope diameter should meet fish-collecting box and the water body carried, the overall counterweight requirements of fish, and can adjust its carrying out practically elevation according to fish gathering pond 1 SEA LEVEL VARIATION by lifting (transport) equipment of fish lift.
The combination form of described bottom fish lift 2 and top fish lift 3 should according to the actual setting of engineering, its position, quantity rationally promote to meet, transport fish-collecting box object is advisable, and comprises fish lift platform, bracing members frame, crosses fish track, structure such as lifting (transport) equipment, suspension cable etc.Fish lift platform adopts reinforced concrete structure, and concrete pattern is arranged according to engineering physical condition; Two, bracing members frame is one group, and its structure, layout should meet the requirement of fish lift resistance to overturning; Cross fish track and adopt lightweight gapless rail, its spacing, length, width should meet the requirement of fish-collecting box range of operation; Lifting (transports) equipment adopts drive pulley, follow-up pulley pattern, and drive pulley is driven by motor, drive pulley, follow-up pulley diameter to meet fish-collecting box and the water body carried, fish entirety counterweight requirements is advisable; Suspension cable adopt wirerope, be arranged in fish lift top, for fix and maintain fish lift integrally-built stablize, diameter should meet the stability requirement of fish lift overall structure.
Below in conjunction with some hydropower station embodiment, the present invention program is described in further detail.
As shown in Figure 1, some hydropower station is in Grand Canyon, and scale is the major workss such as II, is dam-type exploitation, has a day adjusting function; Main structures comprises grinding coagulation gravity dam, diversion system, left bank underground power house and navigation structure composition.
Stop is related to fish communication channel by the construction of some hydropower station water retaining structure, intercepts habitat of fish, affects dam site upstream and downstream fish and exchanges.Namely power station fish pass structure builds object is the gene exchange maintaining dam site upstream and downstream fish population, avoids unification and the degeneration of fingerling.
Some hydropower station relates to section has fish order 9 section 9 subfamily 35 to belong to 48 kinds, wherein there are " Chinese animals on the brink of extinction Red Data Book fish " fish of easily endangering: leaf knot fish, black former carp and Chang Tun Catfish etc. 3 kinds, Pearl River system Endemic fish leaf knot fish, black former carp, Chang Tun Catfish, Met roller and Chang Wei Select-Committee etc. 5 kinds.
5 kinds of fish such as leaf knot fish, black former carp, Chang Tun Catfish, Met roller, Chang Wei Select-Committee all have distribution in some hydropower station dam site upstream and downstream; and there is short distance migration phenomenon; therefore, above fish as crossing fish object, are realized the rare object protecting fish to exchange of dam site upstream and downstream to reach by engineering emphasis.
Some hydropower station dam site is positioned at Grand Canyon section, river valley is deep, left and right bank is precipitous, belong to the large storehouse of high dam, section, typical valley, high dam is crossed fish and always is worldwide technological puzzle, mainly contain fish pass, fish lock, fish lift, transporting something containerized fish system etc. at present, different cross the impact of fish mode by different engineering type and topographic and geologic, fish difference on effect is crossed on the fish of dissimilar obstruct impact and different ecological habit also larger.
The main conditionality factor of fish pass and characterisitic parameter are head, are generally applicable to low water head dam, especially imitative nature fish pass.The maximum height of dam 109.0m of some hydropower station, conveniently cross fish suitable flow rate, some hydropower station imitates nature passage and fish pass design length is not less than 8.3km, 4.15km, engineering quantity is larger, and dam site upstream and downstream river section is narrow, profoundly precipitous, fish pass is arranged extremely difficult, therefore abandons fish pass scheme.
Fish lock is substantially identical with the principle of ship lock, is artificial waterpower and assists fish, and from operation and security consideration, general one-level fish lock should not bear high water head, when head is high, need arrange multistage fish lock.The maximum height of dam 109.0m of some hydropower station, need design 2 ~ 3 grades of fish locks, and work arrangement, construction difficulty are all very large, and separately need more electromechanical equipment, maintenance cost is higher.In addition, engineering adopts single-stage vertical ship lift, and fish lock and ship lift disturb mutually, seriously restricts the attracting of fish lock and crosses fish effect, therefore abandoning fish lock scheme.
Fish lift system principle is similar to elevator, be made up of fish gathering pond, fish-collecting box, the large major part of fish lift three, by the fish-collecting box in downstream, dam is promoted by fish lift, is transported to reservoir area, dam site upstream, fish-collecting box is transferred release fish to the water of reservoir area after, empty set fish box is returned by former route again, completes wholely to rise fish process.The advantage of fish lift system is not by the variable effect of dam water levels of upstream and downstream, crosses fish ability relatively large; Shortcoming is mechanical facility complex structure, can not ensure that upstream and downstream habitat is communicated with, and can not realize crossing fish continuously.
Transporting something containerized fish system is by certain attracting means, is focused on by the fish in downstream in the middle of hull or casing, is then transported on dam by fish by ship lock or Automobile Transportation, thus reached the object of fish.Transporting something containerized fish system has site condition and arranges simple, does not affect the advantages such as the project playout of major project and construction speed, investment be relatively little; Its shortcoming is the connection weak effect of upstream and downstream hydrophytic habitat, engineering reliability is low, applicable elements and effect is poor, can not realize crossing continuously fish, to cross fish object may have injury and operational support rate relatively low etc., its effect needs observational study.
Thus, fish lift system, transporting something containerized fish system are all adapted at the large storehouse of high dam is built, and invest little and have larger fish ability excessively, but both all can not realize crossing fish continuously, and operational management is relative complex also.But because the landform of section, valley, some hydropower station high dam place limits, in addition the factor such as engineering project playout condition and flood discharge security consideration, when selecting fish pass structure, fish pass, fish lock scheme are abandoned, and fish lift system, transporting something containerized fish system two schemes, due to topography and geomorphology, project playout, execution conditions, with the harmony of the construction of hydropower stations etc. in superiority, above and below the dam fish can be made to carry out population interchange, promote its gene exchange, all compare and be adapted at some hydropower station enforcement.
Illustrate that to carry out design to some hydropower station fish lift system as follows below in conjunction with technical solution of the present invention:
Some hydropower station fish lift system is non-harmony water buildings, be made up of fish gathering pond 1, bottom fish-collecting box 6, upper-part centralized fish box A8, upper-part centralized fish box B9, bottom fish lift 2 and top fish lift 3, bottom wirerope 6, top wirerope A7 and top wirerope B8, building rank is 3 grades, design standard of flood control is 100 years chances, and check standard is 200 years chances.
Fish gathering pond 1 is arranged in the Hydropower Unit section draft tube outlet top near left bank, is the region that downstream, dam fish cluster is comparatively intensive, fish gathering pond 1 long for 70.0m, wide be 1.2m, high be 7.0m, for reinforced concrete structure, wall thickness is 0.3m, and elevation at the bottom of pond is 500m, and pond crest level is 507.0m.Fish gathering pond 1 downstream face sidewall is evenly arranged 8 rectangle fish inlets 12, fish inlet 12 size 0.8m × 0.5m (high × wide).
Fish-collecting box comprises bottom fish-collecting box 6, upper-part centralized fish box A8 and upper-part centralized fish box B9, be arranged in fish gathering pond 1 upstream side, possesses better closure for steel work, and fish-collecting box downstream sidewall, bottom can be opened for fish gathering, be put fish by automatic device; Fish-collecting box size 1.2m × 2.0m × 1.2m (wide × high × long), floor elevation 500.0m, top is provided with for adjusting the wirerope that it runs elevation, wirerope diameter 25.0mm; Fish-collecting box can according to fish gathering pond 1 SEA LEVEL VARIATION situation, adjusts carrying out practically elevation by lifting (transport) equipment of fish lift and wirerope.
As shown in Figure 1, at 559.0m elevation place, two bottom fish lifts 2 are set, arrange a top fish lift 3 at dam crest 610.0m elevation place, be provided with three fish lifts altogether, fish lift is made up of fish lift platform 4, bracing members frame, excessively fish track, lifting (transport) equipment, suspension cable etc.Fish lift platform 4 adopts reinforced concrete structure, and downstream, 559.0m elevation place fish lift platform is the rectangular structure of high 50.5m, and upstream side fish lift platform is the cone structure of high 20.0m; Described bottom bracing members frame 21 is arranged in 550.5m elevation and 551.0m elevation place, and upper steel bracing frame 31 is arranged in 602.0m elevation place, and described upper steel bracing frame 31 and bottom bracing members frame 21 are highly 17.0m; Top is crossed fish track 32 and bottom and is crossed fish track 22 and all adopt lightweight gapless rail, and track space is that fish lift bottom, 1.5m, 559.0m elevation place is crossed fish track 22 long to cross fish track long for fish lift top, 160.0m, 610.0m elevation place be 70m; Described top lifting appliance 33 and lower lifting structure equipment 23 all adopt drive pulley, follow-up pulley pattern, and drive pulley is driven by motor, and drive pulley, follow-up pulley diameter are respectively 80.0cm, 60.0cm; Suspension cable adopts wirerope, and be arranged in fish lift top, for fixing and maintaining the integrally-built stability of fish lift, diameter is 40.0mm.
In the course of the work, after fish enters fish-collecting box, first by 559.0m elevation fish lift, fish is transported to 551.0m elevation platform place from 550.5m elevation platform, horizontal travel distance is 150.0m; Fish promoted, be transported to dam body upstream from 551.0m elevation platform by dam crest 610.0m elevation fish lift again, horizontal travel distance is 60.0m.
The fish-collecting box (minimum operation elevation 500.0m) that bottom, dam is crossed on fish track by lifting (transport) equipment of fish lift system is vertically sling, and is transported by the fish track cross level of crossing arranged under bracing members frame, is promoted to dam site upstream; To reservoir area, dam site upstream, fish-collecting box is transferred to (minimum operation elevation 580.0m) in the water of reservoir area by lifting (transport) equipment, release empty set fish box after fish to be returned by former route, complete wholely rising fish process, work one-period lasts about 3 hours again.
Claims (9)
1. section, valley high dam crosses fish system, it is characterized in that: comprise fish gathering pond (1) and be arranged at top fish lift (3) and the bottom fish lift (2) on bank, dam body (11) upstream and downstream river course respectively, described top fish lift (3) is arranged on dam body (11) top by upper steel bracing frame (31), fish lift (3) two ends, described top are respectively arranged with top wirerope A (7) and top wirerope B (10), upper-part centralized fish box A (8) and upper-part centralized fish box B (9) is separately installed with on top wirerope A (7) and top wirerope B (10), bottom fish lift (2) two ends are arranged on fish lift platform (4) respectively by bottom bracing members frame (21), fish lift (2) one end, described bottom is connected with top wirerope A (7), the other end is connected with fish gathering pond (1) by bottom wirerope (5), described bottom wirerope (5) is provided with bottom fish-collecting box (6).
2. section, a kind of valley according to claim 1 high dam crosses fish system, it is characterized in that: described top fish lift (3) is crossed fish track (32), top lifting appliance (33) and top fish lift suspension cable (34) by top and formed, wherein, top is crossed fish track (32) and is arranged on dam body (11) top by upper steel bracing frame (31), and top fish lift suspension cable (34) is connected to top by top lifting appliance (33) and crosses fish track (32) two ends.
3. section, a kind of valley according to claim 1 high dam crosses fish system, it is characterized in that: described bottom fish lift (2) is two, and every platform fish lift crosses fish track (22), lower lifting structure equipment (23) and bottom fish lift suspension cable (24) composition by bottom, wherein, bottom is crossed fish track (22) and is arranged on fish lift platform (4) by bottom bracing members frame (21), and bottom fish lift suspension cable (24) is connected to bottom by lower lifting structure equipment (23) and crosses fish track (22) two ends.
4. section, a kind of valley according to claim 1 high dam crosses fish system, it is characterized in that: described fish lift platform (4) comprises upstream side fish lift platform and downstream fish lift machine platform, and all adopt reinforced concrete structure, upstream side fish lift platform wherein near dam body (11) place is cone structure, and side, the downstream river course bank fish lift platform away from dam body (11) is rectangular structure.
5. section, a kind of valley according to claim 1 high dam crosses fish system, it is characterized in that: described fish gathering pond (1) adopts steel concrete to form.
6. section, a kind of valley according to claim 1 high dam crosses fish system, it is characterized in that: described fish gathering pond (1) downstream is provided with some fish inlets (12).
7. section, a kind of valley according to claim 1 high dam crosses fish system, it is characterized in that: described bottom fish-collecting box (6), upper-part centralized fish box A (8) and upper-part centralized fish box B (9) all adopt steel work.
8. section, a kind of valley according to claim 2 high dam crosses fish system, it is characterized in that: described top lifting appliance (33) adopts drive pulley and follow-up pulley composition, and wherein drive pulley is driven by motor.
9. section, a kind of valley according to claim 3 high dam crosses fish system, it is characterized in that: described lower lifting structure equipment (23) adopts drive pulley and follow-up pulley composition, and wherein drive pulley is driven by motor.
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| CN201510337162.9A CN104912041B (en) | 2015-06-17 | 2015-06-17 | Fish passing system for high dam of canyon reach |
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| CN201510337162.9A CN104912041B (en) | 2015-06-17 | 2015-06-17 | Fish passing system for high dam of canyon reach |
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| CN104912041B CN104912041B (en) | 2017-02-22 |
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Cited By (7)
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| CN105256772A (en) * | 2015-10-30 | 2016-01-20 | 上海交通大学 | Fish passing system and method free of water resource losses and free water surfaces |
| CN105421307A (en) * | 2015-12-25 | 2016-03-23 | 中水北方勘测设计研究有限责任公司 | Rail type fish passing structure applied to medium and high-water-head barrage hubs |
| CN106372599A (en) * | 2016-08-30 | 2017-02-01 | 水利部水土保持监测中心 | Method and system for extracting silt arrester in water and soil retaining period |
| CN107059760A (en) * | 2017-05-27 | 2017-08-18 | 华电郑州机械设计研究院有限公司 | The high dam length of Hydraulic and Hydro-Power Engineering is defeated to cross fish system |
| CN107178062A (en) * | 2017-07-21 | 2017-09-19 | 中水北方勘测设计研究有限责任公司 | Suitable for the fish system excessively of the superelevation arch dam of the big luffing of reservoir level |
| CN108005040A (en) * | 2017-11-27 | 2018-05-08 | 中国电建集团成都勘测设计研究院有限公司 | Minisize ecological natural flow station |
| CN111436389A (en) * | 2020-04-16 | 2020-07-24 | 河北农业大学 | Method and device for directionally controlling aquatic animal population number and propagation and diffusion thereof |
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| CN204738279U (en) * | 2015-06-17 | 2015-11-04 | 中国电建集团贵阳勘测设计研究院有限公司 | Barranca section high dam fish lift device |
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| CN105256772A (en) * | 2015-10-30 | 2016-01-20 | 上海交通大学 | Fish passing system and method free of water resource losses and free water surfaces |
| CN105256772B (en) * | 2015-10-30 | 2019-04-19 | 上海交通大学 | A kind of anhydrous resource loss crosses fish system and method without table |
| CN105421307A (en) * | 2015-12-25 | 2016-03-23 | 中水北方勘测设计研究有限责任公司 | Rail type fish passing structure applied to medium and high-water-head barrage hubs |
| CN105421307B (en) * | 2015-12-25 | 2017-02-22 | 中水北方勘测设计研究有限责任公司 | Rail type fish passing structure applied to medium and high-water-head barrage hubs |
| CN106372599A (en) * | 2016-08-30 | 2017-02-01 | 水利部水土保持监测中心 | Method and system for extracting silt arrester in water and soil retaining period |
| CN107059760A (en) * | 2017-05-27 | 2017-08-18 | 华电郑州机械设计研究院有限公司 | The high dam length of Hydraulic and Hydro-Power Engineering is defeated to cross fish system |
| CN107178062A (en) * | 2017-07-21 | 2017-09-19 | 中水北方勘测设计研究有限责任公司 | Suitable for the fish system excessively of the superelevation arch dam of the big luffing of reservoir level |
| CN108005040A (en) * | 2017-11-27 | 2018-05-08 | 中国电建集团成都勘测设计研究院有限公司 | Minisize ecological natural flow station |
| CN111436389A (en) * | 2020-04-16 | 2020-07-24 | 河北农业大学 | Method and device for directionally controlling aquatic animal population number and propagation and diffusion thereof |
| CN111436389B (en) * | 2020-04-16 | 2022-10-21 | 河北农业大学 | Method and device for directionally controlling aquatic animal population number and spreading and diffusing thereof |
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