CN112227293B - Fishway passing model - Google Patents
Fishway passing model Download PDFInfo
- Publication number
- CN112227293B CN112227293B CN202010960049.7A CN202010960049A CN112227293B CN 112227293 B CN112227293 B CN 112227293B CN 202010960049 A CN202010960049 A CN 202010960049A CN 112227293 B CN112227293 B CN 112227293B
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- guide block
- uphill
- downhill
- flow guide
- water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/60—Ecological corridors or buffer zones
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a fishway model, which comprises a water tank, a partition plate, a flow guide assembly, a flow baffle, a water pump and an anti-falling cage, wherein the water tank is arranged in the water tank; the partition plates comprise longitudinal partition plates and transverse partition plates; the guide assembly comprises an uphill guide block and a downhill guide block; the uphill flow guide block and the downhill flow guide block are respectively arranged at the bottoms of the water tanks at the two longitudinal opposite sides of the transverse partition plate; spoilers are arranged on the slopes of the uphill flow guide block and the downhill flow guide block; the water pump is arranged at the bottom of the water tank on the other transverse side of the longitudinal partition plate, and the water outlet end of the water pump is connected with a water outlet pipe; the anti-falling cage is placed at the outer top of the water pump and located on one side of the slope top of the uphill guide block, and the upper part of the anti-falling cage is higher than the slope top of the uphill guide block. The invention can effectively verify the fish passing effect through a small-sized experiment, aims to simulate the success rate of fish in the upstream direction, further improves the design of the existing fish passing way and the fish passing way to be built, and is beneficial to solving the practical problem and reducing the experiment cost.
Description
Technical Field
The invention relates to the technical field of fishway model tests, in particular to a fishway model.
Background
At present, the construction of a dam relates to the civil life, on one hand, flood control is effectively realized, on the other hand, clean energy can be generated, but the damage to the ecological environment of a river channel is accompanied, particularly, fish resources have large ecological influence, and therefore, the fish passage becomes a solution for fish migration survival. Although the fish passing way becomes an important way for solving the problem of fish migration, the effect is not ideal.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the fishway model which has simple and reasonable structural design, can effectively verify the fish passing effect through a small-scale experiment, aims to simulate the success rate of fish in the upstream direction, further improves the design of the existing fishway and the fishway to be built, and is beneficial to solving the practical problems and reducing the experiment cost.
The technical scheme of the invention is as follows:
the fishway model comprises a water tank, a partition plate, a flow guide assembly, a flow blocking plate, a water pump and an anti-falling cage; the partition plate is matched and arranged at the bottom of the inner groove of the water tank and comprises a longitudinal partition plate and a transverse partition plate; the longitudinal partition plate is longitudinally and vertically fixed at the bottom of the inner groove of the water tank; the transverse partition plate is matched and positioned on one transverse side of the longitudinal partition plate and is transversely and vertically fixed at the bottom of the inner groove of the water tank; the flow guide assembly is matched and fixed at the bottom of an inner groove of the water tank positioned on one transverse side of the longitudinal partition plate and comprises an ascending flow guide block and a descending flow guide block; the uphill flow guide block and the downhill flow guide block are respectively installed at the bottoms of the inner grooves of the water tanks at the two opposite longitudinal sides of the transverse partition plate in a matching manner; the spoilers are arranged on the slopes of the uphill flow guide block and the downhill flow guide block in a matched manner; the water pump is arranged at the inner groove bottom of the water tank on the other transverse side of the longitudinal partition in a matching manner, and the water outlet end of the water pump is connected with a water outlet pipe in a matching manner; the anti-falling cage is matched with and placed at the outer top of the water pump and located on one side of the slope top of the ascending flow guide block, and the upper portion of the anti-falling cage is higher than the slope top of the ascending flow guide block.
The fishway model, wherein: the inlet and outlet of the anti-falling cage are funnel-shaped inlet and outlet; the inlet of the anti-falling cage faces the top of the uphill guide block; the inlet caliber of the anti-falling cage is larger than the outlet caliber.
The fishway model, wherein: the uphill flow guide block is fixedly installed at the rear tank bottom of the water tank on the longitudinal left side in a matched mode, and the gradient of the uphill flow guide block gradually rises from left to right.
The fishway model, wherein: the uphill flow guide block consists of an uphill inclined block and an uphill flat block positioned at the slope bottom of the uphill inclined block; a slope top platform is formed after the slope top of the upward slope inclined block horizontally extends rightwards; at least two groups of uphill spoiler mounting grooves are uniformly distributed on the slope surface of the uphill ramp block, the uphill spoiler mounting grooves are parallel to each other and are arranged alternately, and each uphill spoiler mounting groove is internally provided with a spoiler in a matching manner.
The fishway model, wherein: the downhill guide block is fixedly installed at the bottom of the front groove of the water tank on the left side of the longitudinal partition plate in a matched mode, and the gradient of the downhill guide block is gradually reduced from left to right.
The fishway model, wherein: the downhill guide block consists of a downhill inclined block and a downhill flat block positioned at the bottom of the downhill inclined block; at least two groups of downhill spoiler mounting grooves are uniformly distributed on the slope surface of the downhill inclined block, the downhill spoiler mounting grooves are parallel to each other and are arranged alternately, and each downhill spoiler mounting groove is internally provided with a spoiler in a matching manner.
The fishway model, wherein: the water pump is arranged at the inner groove bottom of the water tank on the right side of the longitudinal partition plate in a matching manner and comprises a pump shell and a pump host; the pump shell is matched and fixedly installed at the bottom of the inner groove of the water tank on the right side of the longitudinal partition plate, and the left side shell wall of the pump shell is fixedly connected to the right side wall of the longitudinal partition plate and is also uniformly provided with water through holes; the pump main machine is matched and positioned at the inner side of the pump shell, and the water outlet end of the pump main machine is matched and connected with the water outlet pipe; the water outlet pipe extends along the bottom of the water tank to the right and then vertically upwards.
Has the advantages that:
the fishway model is simple and reasonable in structural design, can effectively verify the fish passing effect through small-scale experiments, and can aim to simulate the success rate of fish in the upstream direction by improving various parameter indexes of the fishway, so that the design of the existing fishway and the fishway to be built is improved, and the due effect is achieved; for a large fishway, the establishment and calculation of a mathematical model are only carried out, and the fishway model is not necessarily suitable for all time, places and local hydrological environments due to the characteristics of organisms, but the establishment of the fishway model of the invention is helpful for solving practical problems and reducing experiment cost.
Drawings
FIG. 1 is a front view of the fishway model of the invention;
FIG. 2 is a top view of the fishway model of the invention;
FIG. 3 is a flow chart of the assembly of the fishway model of the invention;
FIG. 4 is a schematic view of the structure of the water pump of the fishway model of the invention;
FIG. 5 is an exploded view of the water pump of the fishway model of the invention;
FIG. 6 is a schematic view of the anti-falling cage of the fishway model of the invention;
FIG. 7 is a front view of the anti-fish-out cage of the fishway model of the invention;
FIG. 8 is a top view of the anti-egress cage of the fishway model of the invention;
FIG. 9 is a schematic view showing the arrangement of spoilers with three different structures and the direction of water flow according to the fishway model of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "front", "rear", "lateral", "longitudinal", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 9, the fishway model of the invention comprises a water tank 1, a partition plate 2, a flow guide assembly 3, a flow baffle 4, a water pump 5 and an anti-falling cage 6.
The water tank 1 is changed according to the individual size of the experimental fish and the operability of the experiment.
The partition board 2 is matched and installed at the bottom of the inner tank of the water tank 1 and comprises a longitudinal partition board 21 and a transverse partition board 22; the longitudinal clapboard 21 is vertically fixed at the bottom of the middle section inner tank of the water tank 1; the transverse partition plate 22 is transversely and vertically fixed on the bottom of the middle section inner tank of the water tank 1 positioned at the left side of the longitudinal partition plate 21, and the right end of the transverse partition plate is fixedly connected with the left side wall of the longitudinal partition plate 21.
The diversion assembly 3 is used for adjusting the gradient and the length of the water flow so as to change the flow rate, is matched and fixed at the bottom of the water tank 1 at one side (namely, the left side) in the transverse direction of the longitudinal partition plate 21, and comprises an ascending diversion block 31 and a descending diversion block 32. This uphill water conservancy diversion piece 31 matches fixed mounting in the basin 1 back tank bottom and the slope that is located the horizontal one side (being the left side) of longitudinal baffle 21 and rises gradually from the left to the right, this uphill water conservancy diversion piece 31 comprises uphill sloping piece 311 and the flat piece 312 of uphill that is located uphill sloping piece 311 slope bottom, the top level of the slope of this uphill sloping piece 311 extends the back right and is formed with sloping top platform 313, evenly laid two sets of uphill spoiler mounting grooves on the domatic of this uphill sloping piece 311, these two sets of uphill spoiler mounting grooves are parallel to each other and arrange alternately, spoiler 4 is installed in the matching in every uphill spoiler mounting groove. The downhill flow guide block 32 is fixedly mounted at the bottom of the front groove of the water tank 1 on one lateral side (i.e., the left side) of the longitudinal partition 21 in a matching manner, and the slope gradually decreases from left to right, the downhill flow guide block 32 is composed of a downhill sloping block 321 and a downhill flat block 322 located at the slope bottom of the downhill sloping block 321, two sets of downhill spoiler mounting grooves are uniformly distributed on the slope of the downhill sloping block 321, the two sets of downhill spoiler mounting grooves are parallel and alternately distributed, and a spoiler 4 is mounted in each downhill spoiler mounting groove in a matching manner.
As shown in fig. 9, the spoiler 4 can be designed as required, and the structural shape, size, position, placement mode and the like of various spoilers 4 can be changed, and by inserting different spoilers 4, the upward tracking mode of fishes under various water flow environments can be simulated, so that the water flow parameters of the fish passage and the fish passing effect can be changed.
The water pump 5 is disposed at the bottom of the water tank 1 on the other lateral side (i.e., the right side) of the longitudinal partition 21, and includes a pump housing 51 and a pump main body 52. The pump housing 51 is fixedly mounted on the bottom of the water tank 1 on the right side of the longitudinal partition 21 in a matching manner, the left side wall 511 of the pump housing 51 is fixedly connected to the right side wall of the longitudinal partition 21 of the partition 2 and is uniformly provided with water holes 512, and the bottom end of the pump housing 51 is fixedly connected to the bottom of the water tank 1. The pump main body 52 is arranged inside the pump shell 21 in a matching way, and the water outlet end of the pump main body is connected with a water outlet pipe 521 in a matching way; the outlet pipe 521 extends horizontally to the right and then vertically upward along the bottom of the water tank 1 for generating water flow.
The anti-falling cage 6 is arranged at the outer top of the pump shell 21 of the water pump 5 in a matching way and is positioned at one side of the slope top platform 313 of the uphill guide block 31 in a matching way, and the upper part of the anti-falling cage 6 is higher than the slope top platform 313 of the uphill guide block 31 of the guide component 3; wherein, the inlet and the outlet of the anti-fish-out cage 6 are funnel-shaped inlets and outlets, which are similar to the inlets of the shrimp cages, so that the passing fish can not go out any more, and the fish passing effect is tested; the inlet of the cage 6 faces the top of the uphill flow guide block 31 of the flow guide assembly 3, and the inlet caliber of the cage 6 is larger than the outlet caliber.
The invention has simple and reasonable structural design, can effectively verify the fish passing effect through a small-scale experiment, aims to simulate the success rate of fish in the upstream direction, further improves the design of the existing fish passing way and the fish passing way to be built, and is beneficial to solving the practical problem and reducing the experiment cost.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A fish way model, its characterized in that: the fish-passing channel model comprises a water tank, a partition plate, a flow guide assembly, a flow blocking plate, a water pump and an anti-falling cage;
the partition plate is matched and arranged at the bottom of the inner groove of the water tank and comprises a longitudinal partition plate and a transverse partition plate; the longitudinal partition plate is longitudinally and vertically fixed at the bottom of the inner groove of the water tank; the transverse partition plate is matched and positioned on one transverse side of the longitudinal partition plate and is transversely and vertically fixed at the bottom of the inner groove of the water tank;
the flow guide assembly is matched and fixed at the bottom of an inner groove of the water tank positioned on one transverse side of the longitudinal partition plate and comprises an ascending flow guide block and a descending flow guide block; the uphill flow guide block and the downhill flow guide block are respectively installed at the bottoms of the inner grooves of the water tanks at the two opposite longitudinal sides of the transverse partition plate in a matching manner; the spoilers are arranged on the slopes of the uphill flow guide block and the downhill flow guide block in a matched manner;
the downhill guide block is fixedly installed at the front groove bottom of the water groove on the left side of the longitudinal partition plate in a matched manner, the gradient of the downhill guide block is gradually reduced from left to right, and the downhill guide block consists of a downhill inclined block and a downhill flat block positioned at the slope bottom of the downhill inclined block; at least two groups of downhill spoiler mounting grooves are uniformly distributed on the slope surface of the downhill inclined block, the downhill spoiler mounting grooves are parallel to each other and are arranged alternately, and each downhill spoiler mounting groove is internally provided with a spoiler in a matching manner;
the water pump is arranged at the bottom of the inner groove of the water tank on the other transverse side of the longitudinal partition in a matching manner, and the water outlet end of the water pump is connected with a water outlet pipe in a matching manner;
the anti-falling cage is matched with and placed at the outer top of the water pump and located on one side of the slope top of the ascending flow guide block, and the upper portion of the anti-falling cage is higher than the slope top of the ascending flow guide block.
2. The fishway model of claim 1, wherein: the inlet and outlet of the anti-falling cage are funnel-shaped inlet and outlet; the inlet of the anti-falling cage faces the top of the uphill guide block; the inlet caliber of the anti-falling cage is larger than the outlet caliber.
3. The fishway model of claim 1, wherein: the uphill flow guide block is fixedly installed at the rear tank bottom of the water tank on the longitudinal left side in a matched mode, and the gradient of the uphill flow guide block gradually rises from left to right.
4. The fishway model of claim 3, wherein: the uphill flow guide block consists of an uphill inclined block and an uphill flat block positioned at the slope bottom of the uphill inclined block; a slope top platform is formed after the slope top of the upward slope inclined block horizontally extends rightwards; at least two groups of uphill spoiler mounting grooves are uniformly distributed on the slope surface of the uphill ramp block, the uphill spoiler mounting grooves are parallel to each other and are arranged alternately, and each uphill spoiler mounting groove is internally provided with a spoiler in a matching manner.
5. The fishway model of claim 1, wherein: the water pump is arranged at the bottom of the inner groove of the water tank on the right side of the longitudinal partition in a matching manner and comprises a pump shell and a pump host;
the pump shell is matched and fixedly installed at the bottom of the inner groove of the water tank on the right side of the longitudinal partition plate, and the left side shell wall of the pump shell is fixedly connected to the right side wall of the longitudinal partition plate and is also uniformly provided with water through holes;
the pump main machine is matched and positioned at the inner side of the pump shell, and the water outlet end of the pump main machine is matched and connected with the water outlet pipe; the water outlet pipe extends along the bottom of the water tank to the right and then vertically upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960049.7A CN112227293B (en) | 2020-09-14 | 2020-09-14 | Fishway passing model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960049.7A CN112227293B (en) | 2020-09-14 | 2020-09-14 | Fishway passing model |
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| Publication Number | Publication Date |
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| CN112227293A CN112227293A (en) | 2021-01-15 |
| CN112227293B true CN112227293B (en) | 2022-06-07 |
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| CN202010960049.7A Active CN112227293B (en) | 2020-09-14 | 2020-09-14 | Fishway passing model |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116384289B (en) * | 2023-06-05 | 2023-08-08 | 江西省水利科学院(江西省大坝安全管理中心、江西省水资源管理中心) | Method for predicting pier block type fishway flow through computational fluid dynamics |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002317429A (en) * | 2001-04-23 | 2002-10-31 | Mitsuo Yamamoto | Consolidation cascade type fishway |
| CN104018473A (en) * | 2014-06-23 | 2014-09-03 | 河海大学 | Double-axis adjustable vertical seam type fish way and operation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3205704B2 (en) * | 1996-06-11 | 2001-09-04 | 昭和コンクリート工業株式会社 | Spiral fishway |
| CN205475068U (en) * | 2016-04-06 | 2016-08-17 | 三峡大学 | Experiment fishway with flexible baffle |
| KR20190002916A (en) * | 2017-06-30 | 2019-01-09 | 바론에이치앤씨솔루션 주식회사 | Compact fishway for small stream due to reduction of flow speed |
| CN207376561U (en) * | 2017-11-06 | 2018-05-18 | 三峡大学 | A kind of fish body flow field in vertical seam type fish channel and behavior measure device |
| CN108118662B (en) * | 2018-01-16 | 2023-12-19 | 三峡大学 | Fishway model experimental device |
| CN208201815U (en) * | 2018-05-09 | 2018-12-07 | 吕爱玲 | Barrage dam with fish migration channel |
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2020
- 2020-09-14 CN CN202010960049.7A patent/CN112227293B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002317429A (en) * | 2001-04-23 | 2002-10-31 | Mitsuo Yamamoto | Consolidation cascade type fishway |
| CN104018473A (en) * | 2014-06-23 | 2014-09-03 | 河海大学 | Double-axis adjustable vertical seam type fish way and operation method thereof |
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| CN112227293A (en) | 2021-01-15 |
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