CN203569544U - Dam crossing system suitable for migratory fishes to pass through key water control projects - Google Patents
Dam crossing system suitable for migratory fishes to pass through key water control projects Download PDFInfo
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- CN203569544U CN203569544U CN201320576505.3U CN201320576505U CN203569544U CN 203569544 U CN203569544 U CN 203569544U CN 201320576505 U CN201320576505 U CN 201320576505U CN 203569544 U CN203569544 U CN 203569544U
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- bypassing
- dam site
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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Abstract
The utility model provides a dam crossing system suitable for migratory fishes to pass through key water control projects. Fish collecting net boxes are arranged at the tail end of a lifting machine and can move perpendicularly on the lifting machine, a splay fish collection blocking net is arranged between the lifting machine and a dam, fish crossing sliding rails are arranged at the top end of the lifting machine, fish crossing sliding ways are horizontally arranged on the top of the dam, and the fish collecting net boxes can slide in parallel on the fish crossing rails horizontally. Through the utilization of the breeding migration of fishes, the migratory fishes are lured to enter the net boxes and then pass through the lifting device to cross the dam, the dam crossing system is simple in structure, low in construction cost, high in fish crossing efficiency through the dam crossing method, and capable of enabling fishes to cross continuously.
Description
Technical field
The utility model relates to and is a kind ofly applicable to straddling fish stocks by the system of bypassing the dam site of key water control project, belongs to hydraulic engineering ancillary service technical field.
Background technology
All there is the habit of migration in many freshwater fishes, in mating period, ties group and bred to spawning ground, upstream by the section migration of ingesting.Therefore,, while building water conservancy projects on river course, need to consider how to make straddling fish stocks continue again migration to breeding spot by key water control projects such as dams.At present in, in the water construction thing of low water head, mainly by fish pass, complete bypassing the dam site of straddling fish stocks.According to incompletely statistics, current China's built fish pass more than 40 in all kinds of hydraulic engineerings, but built fish pass is arranged on the low water head gate dam of coastal riverine plains region mostly, base slope is more slow, and hoisting depth is little, generally in 10m left and right, and fish pass operation is undesirable, cross fish efficiency low.And for the dam of high water head, mainly take fish lock, machinery to rise fish, artificial incubation field and the measures such as groove of laying eggs and solve fish and cross dam problem, also had the problem of fish efficiency low (being only 10%-15%).And above-mentioned facility exists the puzzlement that need to spend expensive (construction cost is more than 8,000 ten thousand yuan).
Summary of the invention
Technical problem to be solved in the utility model is to provide and is a kind ofly applicable to straddling fish stocks by the system of bypassing the dam site of key water control project, i.e. a kind of water habit of tracing back of utilizing fish, and induction straddling fish stocks swim in net cage, then the equipment of bypassing the dam site by lifting appliance.
First the utility model provides a kind of and is applicable to straddling fish stocks by the system of bypassing the dam site of key water control project, includes fish gathering net cage, it is characterized in that, described fish gathering net cage is arranged on elevation and subsidence mechanical; And fish gathering block is installed between fish gathering net cage and river course dykes and dams.
The system of bypassing the dam site described in the utility model, also includes the fish slide rail excessively that handled easily fish gathering net cage slides.
Above-mentioned fish slide rail is excessively arranged on the top of dam.
Above-mentioned fish gathering block, includes net sheet, and net sheet top edge has upper gang rope, and lower limb has lower gang rope; Fixing float in described upper gang rope, fixing sinker in lower gang rope; Described four connectors of four jiaos of connections of net sheet, connector is connected with fixator respectively.
The number of above-mentioned fish gathering block is two, is splay configuration and launches.
Above-mentioned fish gathering block is individually fixed on elevation and subsidence mechanical by top fixator, the fixator of below is individually fixed on dykes and dams, with riverbed bottom parallel.
Above-mentioned connector is rope, and described fixator is iron hoop.
Above-mentioned net sheet is any one in Fypro net sheet, polyester fiber net sheet, polyethylene web sheet or polypropylene fiber net sheet.
Above-mentioned upper gang rope and lower gang rope are high density polyethylene (HDPE) rope or nylon rope,
Apply the straddling fish stocks of the above-mentioned system of bypassing the dam site by the method for bypassing the dam site of key water control project, comprise the steps:
(1) set up area of slack water: on the generating district under dam and the isolation dam of backwater zone, open the hole that 3-4 diameter is 30cm, by pipeline, connect, pipeline sets has the pipeline valve that regulates water velocity, utilizes the water-head of generating district and backwater zone, forms area of slack water in backwater zone;
(2) set the system of bypassing the dam site: mistake fish slide rail is layed in to dam top sidewards, and elevation and subsidence mechanical is vertically built in water body, the upper end of elevation and subsidence mechanical and excessively fish slide rail end are fixedly linked; Fish gathering net cage is installed in the lower end of elevation and subsidence mechanical, and fish gathering net cage is positioned at the place ahead of area of slack water pipe water outlet; Fish gathering block is individually fixed on elevation and subsidence mechanical by top fixator, and the fixator of below is individually fixed on dykes and dams, parallel with bottom, riverbed, and two fish gatherings blocks are splayed expansion;
(3) induction straddling fish stocks are bypassed the dam site: straddling fish stocks enter into after fish gathering net cage the induction of fish gathering block, fish gathering net cage moves vertically to dam top and is crossing horizontal slip on fish slide rail along elevation and subsidence mechanical, after arriving dam opposite side, open fish gathering net cage fish is moved in the water body of dam opposite side.
The system of bypassing the dam site described in the utility model, simple in structure, reasonable price (construction cost is lower than 1,000 ten thousand yuan), the migration that is suitable for various fish are bypassed the dam site, and have applicability widely.Utilize system described in the utility model to carry out the method that straddling fish stocks are bypassed the dam site, descending fish both can open a sluice gate and draw out some water Shi Suiliu and under, can also, by ship lock, at it, fall river migration season (10～December) and realize the unimpeded of migration passage by the lockage order of the descending ship of reasonable arrangement; And trace back fish, can be induced and be bypassed the dam site by the equipment of bypassing the dam site, and operate to realize continued fish by discontinuity, crossing fish efficiency can reach more than 30%.
Accompanying drawing explanation
Fig. 1: the utility model straddling fish stocks are by the overall structure schematic diagram of the system of bypassing the dam site of key water control project;
Fig. 2: the utility model system Facad structure schematic diagram of bypassing the dam site.
Fig. 3: the overall structure schematic diagram of fish gathering block described in the utility model;
Wherein: 1, fish gathering net cage 2, elevation and subsidence mechanical 3, fish gathering block 4, dykes and dams 5, mistake fish slide rail 6, dam 7, net sheet 8, upper gang rope 9, lower gang rope 10, float 11, sinker 12, connector 13, fixator.
The specific embodiment
Straddling fish stocks of the present utility model, by the system of bypassing the dam site of key water control project, include fish gathering net cage 1 and elevation and subsidence mechanical 2, and fish gathering net cage 1 is arranged on elevation and subsidence mechanical 2; Fish gathering block 3 is installed between fish gathering net cage 1 and river course dykes and dams 4; The top of dam 6 is equipped with the fish slide rail 5 excessively that handled easily fish gathering net cage 1 slides.
The utility model also provides a kind of and applies the above-mentioned system of bypassing the dam site and carry out the method that straddling fish stocks are bypassed the dam site, and includes following steps:
(1) set up area of slack water: on the generating district under dam 6 and the isolation dam of backwater zone, open the hole that 3-4 diameter is 30cm, by pipeline, connect, utilize the water-head of generating district and backwater zone, in backwater zone, form area of slack water; Pipeline in area of slack water sets the pipeline valve of the effect with regulating water flow;
(2) set the system of bypassing the dam site: mistake fish slide rail 5 is layed in to dam 6 tops sidewards, and elevation and subsidence mechanical 2 is vertically built in water body, the upper end of elevation and subsidence mechanical 2 and excessively fish slide rail 5 ends are fixedly linked; Fish gathering net cage 1 is installed in the lower end of elevation and subsidence mechanical 2, and fish gathering net cage 1 is positioned at the place ahead of area of slack water pipe water outlet; Fish gathering block 3 is individually fixed on elevation and subsidence mechanical 2 by top fixator 13, and the fixator 13 of below is individually fixed on dykes and dams 4, parallel with bottom, riverbed, and two fish gathering blocks 3 are splayed expansion;
(3) induction straddling fish stocks are bypassed the dam site: 3 induction straddling fish stocks enter into after fish gathering net cage 1 fish gathering block, fish gathering net cage 1 moves vertically to dam 6 tops and is crossing horizontal slip on fish slide rail 5 along elevation and subsidence mechanical 2, after arriving dam 6 opposite sides, open fish gathering net cage 1 fish is moved in the water body of dam 6 opposite sides.
Below in conjunction with the specific embodiment, the utility model is described in detail.
Be applicable to straddling fish stocks by the system of bypassing the dam site and the application process of key water control project, method is as follows:
Fish gathering net cage 1 is arranged on elevation and subsidence mechanical 2; Fish gathering block 3 is individually fixed on elevation and subsidence mechanical 2 by top fixator 13, and the fixator 13 of below is individually fixed on dykes and dams 4, parallel with bottom, riverbed, makes two fish gatherings blocks 3 be splay configuration expansion; Elevation and subsidence mechanical 2 ends connected fish slide rail 5, crossed fish slide rail 5 and were layed in sidewards dam 6 tops.
The method of bypassing the dam site is:
(1) set up area of slack water: on the generating district under dam 6 and the isolation dam of backwater zone, open the hole that 3-4 diameter is 30cm, by pipeline, connect, pipeline sets pipeline valve;
(2) set the system of bypassing the dam site: mistake fish slide rail 5 is layed in to dam 6 tops sidewards, and elevation and subsidence mechanical 2 is vertically built in water body, the upper end of elevation and subsidence mechanical 2 and excessively fish slide rail 5 ends are fixedly linked; Fish gathering net cage 1 is installed in the lower end of elevation and subsidence mechanical 2, and fish gathering net cage 1 is positioned at the place ahead of area of slack water pipe water outlet; Fish gathering block 3 is individually fixed on elevation and subsidence mechanical 2 by top fixator 13, and the fixator 13 of below is individually fixed on dykes and dams 4, parallel with bottom, riverbed, and two fish gathering blocks 3 are splayed expansion;
(3) induction straddling fish stocks are bypassed the dam site: 3 induction straddling fish stocks enter into after fish gathering net cage 1 fish gathering block, fish gathering net cage 1 moves vertically to dam 6 tops and is crossing horizontal slip on fish slide rail 5 along elevation and subsidence mechanical 2, after arriving dam 6 opposite sides, open fish gathering net cage 1 fish is moved in the water body of dam 6 opposite sides.
Use the Apparatus and method for of bypassing the dam site of the present utility model to carry out straddling fish stocks while bypassing the dam site, the annual 4-6 month, straddling fish stocks, trace back season, operate 1-2 every day, cross fish rate and can reach 50%, and traditional fish pass at this season to cross fish rate be only 10%-15%; The fish of suitable various Burden-Swimming Ability of KMs, have applicability widely.
Claims (9)
1. be applicable to straddling fish stocks by the system of bypassing the dam site of key water control project, include fish gathering net cage (1), it is characterized in that, described fish gathering net cage (1) is arranged on elevation and subsidence mechanical (2); And fish gathering block (3) is installed between fish gathering net cage (1) and river course dykes and dams (4).
2. the system of bypassing the dam site as claimed in claim 1, is characterized in that, the described system of bypassing the dam site also includes the fish slide rail (5) excessively of handled easily fish gathering net cage slip (1).
3. as claim 1 or the system of bypassing the dam site claimed in claim 2, it is characterized in that, described fish slide rail (5) is excessively arranged on the top of dam (6).
4. the system of bypassing the dam site as claimed in claim 1, is characterized in that, described fish gathering block (3), includes net sheet (7), and net sheet (7) top edge has upper gang rope (8), and lower limb has lower gang rope (9); The upper fixedly float (10) of described upper gang rope (8), the upper fixedly sinker (11) of lower gang rope (9); Described four jiaos of connection four connectors (12) of net sheet, connector (12) is connected with fixator (13) respectively.
5. as claim 1 or the system of bypassing the dam site claimed in claim 4, it is characterized in that, the number of described fish gathering block (3) is two, is splay configuration and launches.
6. as claim 1 or the system of bypassing the dam site claimed in claim 4, it is characterized in that, it is upper that described fish gathering block (3) is individually fixed in elevation and subsidence mechanical (2) by top fixator (13), and it is upper, parallel with bottom, riverbed that the fixator of below (13) is individually fixed in dykes and dams (4).
7. as claim 1 or the system of bypassing the dam site claimed in claim 4, it is characterized in that, described connector (12) is rope, and described fixator (13) is iron hoop.
8. as claim 1 or the system of bypassing the dam site claimed in claim 4, it is characterized in that, described net sheet (7) is any in Fypro net sheet, polyester fiber net sheet, polyethylene web sheet or polypropylene fiber net sheet.
9. as claim 1 or the system of bypassing the dam site claimed in claim 4, it is characterized in that, described upper gang rope (8) and lower gang rope (9) are high density polyethylene (HDPE) rope or nylon rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576505.3U CN203569544U (en) | 2013-09-17 | 2013-09-17 | Dam crossing system suitable for migratory fishes to pass through key water control projects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576505.3U CN203569544U (en) | 2013-09-17 | 2013-09-17 | Dam crossing system suitable for migratory fishes to pass through key water control projects |
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| Publication Number | Publication Date |
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| CN203569544U true CN203569544U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576505.3U Expired - Fee Related CN203569544U (en) | 2013-09-17 | 2013-09-17 | Dam crossing system suitable for migratory fishes to pass through key water control projects |
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| CN (1) | CN203569544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452692A (en) * | 2013-09-17 | 2015-03-25 | 湖州师范学院 | Dam passing system suitable for migratory fishes to pass hydro-junction and application method |
| CN108157261A (en) * | 2018-03-15 | 2018-06-15 | 贵州省水利水电勘测设计研究院 | A kind of fish sorting unit for fish lift |
| CN111206556A (en) * | 2020-01-19 | 2020-05-29 | 重庆交通大学 | High dam fish transporting device based on ship lock water delivery system and operation method |
-
2013
- 2013-09-17 CN CN201320576505.3U patent/CN203569544U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452692A (en) * | 2013-09-17 | 2015-03-25 | 湖州师范学院 | Dam passing system suitable for migratory fishes to pass hydro-junction and application method |
| CN108157261A (en) * | 2018-03-15 | 2018-06-15 | 贵州省水利水电勘测设计研究院 | A kind of fish sorting unit for fish lift |
| CN108157261B (en) * | 2018-03-15 | 2023-06-27 | 贵州省水利水电勘测设计研究院 | Fish sorting device for fish lifting machine |
| CN111206556A (en) * | 2020-01-19 | 2020-05-29 | 重庆交通大学 | High dam fish transporting device based on ship lock water delivery system and operation method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20140917 |
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| EXPY | Termination of patent right or utility model |