CN112761120A - City river landscape blocking body - Google Patents
City river landscape blocking body Download PDFInfo
- Publication number
- CN112761120A CN112761120A CN202110078350.XA CN202110078350A CN112761120A CN 112761120 A CN112761120 A CN 112761120A CN 202110078350 A CN202110078350 A CN 202110078350A CN 112761120 A CN112761120 A CN 112761120A
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- Prior art keywords
- fishway
- water storage
- rockery
- channel
- fish
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/08—Fish passes or other means providing for migration of fish; Passages for rafts or boats
- E02B8/085—Devices allowing fish migration, e.g. fish traps
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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)
- Life Sciences & Earth Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses an urban river landscape baffle, which belongs to the technical field of municipal water conservancy and comprises a baffle body, wherein the baffle body is of a right-angled trapezoid structure, at least one fishway parallel to the inclined surface of the baffle body is paved in the middle of the inclined surface of the baffle body, and a water channel is arranged beside the fishway. This baffle is provided with the fishway, because the baffle is the right trapezoid structure, therefore the fishway sets up for the slope of slope, and the fishway that is the echelonment on this kind of design and the prior art dam is different completely, greatly reduced the migratory degree of difficulty of fish, improved fish migratory success rate, simultaneously, set up the fishway at the middle part, adapted to the habit that adult fish is located the river course middle part, further improved the success rate that fish migratory.
Description
Technical Field
The invention relates to the technical field of municipal water conservancy, in particular to an urban river landscape baffle.
Background
Along with the continuous deepening of urbanization construction and the continuous expansion of urban areas, a plurality of river channels originally used for irrigating farmlands gradually lose the original functions and become urban rivers, so in order to cater to the overall style of the city and prevent river bank roads on two sides of the river channels from being broken down in the coming season, baffles are arranged on the urban river channels at intervals, the urban river channels are distributed in a step shape along the water flow direction, and the height difference is generated at intervals. However, this creates an ecological problem; the existence of the height difference changes the original water flow condition of the river channel, so that the fish in the original river can not swim back to the upstream to breed and lay eggs, and the ecological balance of the original river channel is greatly destroyed.
The urban river dam in the prior art can not solve the problems, but the river dam which can not allow fishes to swim back due to the height difference has similar problems, so that the river dam is generally provided with fishways in order to solve the problem of fish swimming back. However, the fishway of the river dam is not suitable for the urban river dam, and firstly, the fishway of the river dam is mostly distributed in a ladder shape, so that the requirement on the distance of the height difference is higher, but the urban river dam is not suitable because the height difference is not high. According to actual effect, the effect that the dam fishway solved fish and swim back is not ideal, because dam rivers torrential, the water storage capacity is big, in order to guarantee the steadiness of dam body, the dam fishway often sets up and is close to bank department in both sides, but because adult fish size is great, according to our life habit of studying fish, the big fish often can be in river middle part area, therefore most have the fish of breed oviposition demand can not carry out the migratory back through the fishway. Therefore, the fishway effect of the prior art for solving the problem of fish migratory is very limited, and the prior art is not suitable for being directly applied to a river channel baffle.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the urban river landscape baffle which is provided with the fishway, the fishway is arranged in an inclined slope due to the fact that the baffle is of a right-angled trapezoid structure, the design is completely different from the step-shaped fishway on the dam in the prior art, the difficulty in fish migratory is greatly reduced, the fish migratory success rate is improved, meanwhile, the fishway is arranged in the middle, the habit that adult fish is located in the middle of a river channel is adapted, and the fish migratory success rate is further improved.
The specific scheme is as follows: the utility model provides a city river course view keeps off body, this view keeps off body includes keeps off the body, keeps off the body and is the right trapezoid structure, keeps off body inclined plane middle part and has laid at least one fishway parallel with the body inclined plane that keeps off, and the fishway side is equipped with the water course. Wherein the fishway can be used for fish to swim back, and the water channel ensures the normal running water of the riverway.
As a further scheme of the invention, the fishway comprises a plurality of left water storage tanks and right water storage tanks, the left water storage tanks and the right water storage tanks are distributed in the fishway in a left-right staggered step shape, and two first channels are arranged between the adjacent left water storage tanks and the adjacent right water storage tanks. The first channel facilitates the fish to shuttle between the left water storage tank and the right water storage tank, so that the fish can move upstream step by step, and the fish migratory rate is improved.
As a further scheme of the invention, the groove walls of the left water storage tank and the right water storage tank are both arc-shaped, the arc-shaped design can realize that backflow areas are formed at the positions, close to the groove walls, of the left water storage tank and the right water storage tank, water flow in the backflow areas is in a rotating state, the fish swimming device is suitable for temporarily recovering physical strength of fish, the difficulty of fish swimming back is further reduced, and the fish swimming back rate is improved.
As a further scheme of the invention, the wall of the right water storage tank is provided with a second channel for fish to pass through, the design of the second channel can ensure that the right water storage tank of the whole fishway is communicated, the whole fishway can be divided into two parts by the design, a row of channel structures formed by a plurality of right water storage tanks can provide a channel for the fish to fast swim back, and the water flow rate of the right water storage tank is improved.
As a further aspect of the present invention, the river flow condition in the right reservoir is different from the conventional river flow condition and is slower than the normal river flow rate, so that a small amount of fish will swim back to the downstream along the second channel, and therefore, to solve this problem, the opening area of the upstream side of the second channel is smaller than the opening area of the downstream side of the second channel, so as to guide the fish to swim toward the upstream in the second channel.
As a further scheme of the invention, the first rockery with the same number as the fishway is arranged on the top plane of the baffle body, the first rockery is aligned with the position of the fishway inlet, water flows through the first rockery firstly, the first rockery has the effect of blocking the water flow, and the first rockery is aligned with the position of the fishway inlet, so that the flow speed of the water flow is reduced under the effect of the first rockery before the water flow flows through the fishway, and the return rate of fishes in the fishway is improved.
As a further aspect of the present invention, the width of the first rockery is the same as the width of the fishway.
As a further scheme of the invention, the number of the water channels is one more than that of the fishways, and the water channels mainly have the function of allowing water to pass through, so that the water passing pressure of the fishways can be shared, and the normal water flow of the riverways is maintained.
As a further scheme of the invention, second rockery which is the same as the number of the water channels is also arranged in front of the first rockery, and the second rockery is aligned with the position of the water channel inlet.
As a further scheme of the invention, a third channel is arranged in the middle of the second rockery stone, and the third channel mainly has the function of allowing water to flow through.
The invention has the beneficial effects that:
this baffle is provided with the fishway, because the baffle is the right trapezoid structure, therefore the fishway sets up for the slope of slope, and the fishway that is the echelonment on this kind of design and the prior art dam is different completely, greatly reduced the migratory degree of difficulty of fish, improved fish migratory success rate, simultaneously, set up the fishway at the middle part, adapted to the habit that adult fish is located the river course middle part, further improved the success rate that fish migratory.
The fishway comprises a plurality of left water storage tanks and a plurality of right water storage tanks, wherein the left water storage tanks and the right water storage tanks are distributed in the fishway in a left-right staggered step shape, and two first channels are arranged between the adjacent left water storage tanks and the right water storage tanks. The first channel facilitates the fish to shuttle between the left water storage tank and the right water storage tank, so that the fish can move upstream step by step, and the fish migratory rate is improved.
Drawings
FIG. 1 is a top view of an urban river landscape barrier;
FIG. 2 is a side view of an urban river landscape barrier;
fig. 3 is a schematic view of the structure of the fishway.
Reference numerals: 1. the water channel, 2, third passageway, 3, keep off the body, 4, first rockery, 5, second rockery, 6, second passageway, 7, right catch basin, 8, left catch basin, 9, first passageway, 10, cell wall, 11, fishway.
It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1 to 3, the city river landscape blocking body comprises a blocking body 3, the blocking body 3 is of a right trapezoid structure, a fishway 11 parallel to the inclined surface of the blocking body 3 is laid in the middle of the inclined surface of the blocking body 3, and a water channel 1 is arranged beside the fishway 11.
Wherein, the fishway 11 comprises a plurality of left water storage tanks 8 and right water storage tanks 7, and the left water storage tanks 8 and the right water storage tanks 7 are distributed in the fishway 11 in a left-right staggered step shape. The groove walls 10 of the left water storage groove 8 and the right water storage groove 7 are both arc-shaped. The wall 10 of the right water storage tank 7 is provided with a second channel 6 for fish to pass through. The opening area of the upstream side of the second channel 6 is smaller than the opening area of the downstream side of the second channel 6. The top plane of the blocking body is provided with first rockers 4 with the same number as the fishway 11, and the first rockers 4 are aligned with the entrance position of the fishway 11. The width of the first rockery 4 is the same as the width of the fishway 11. The number of the water courses 1 is one more than the number of the fishways 11. The front of the first rockery 4 is also provided with a second rockery 5 with the same number with the water channel 1, and the second rockery 5 is aligned with the inlet position of the water channel 1. The middle part of the second rockery 5 is provided with a third channel 2.
The working principle of the landscape blocking body is as follows: the water flow flows from upstream to downstream and firstly flows through the first rockery 4 and the second rockery 5 when passing through the baffle body; then flows into the water channel 1 and the fishway 11 simultaneously; the water flow in the fishway 11 respectively flows through the right water storage tank 7 and the left water storage tank 8, and the left water storage tank 8 is communicated with the right water storage tank 7 through a first channel 9; when a fish swims back through the fishway 11, the fish can swim upstream through the second passages 6 between the right water storage tanks 7 and the right water storage tanks 7 step by step, and the fish can swim into the left water storage tank 8 to be adjusted under the guidance of flow speed during the upstream swimming back, so that the swimming back probability of the fish is greatly improved.
Example 2:
as shown in fig. 1 to 3, the city river landscape blocking body comprises a blocking body 3, the blocking body 3 is of a right trapezoid structure, two fishways 11 parallel to the inclined surface of the blocking body 3 are laid in the middle of the inclined surface of the blocking body 3, and a water channel 1 is arranged beside each fishway 11.
Wherein, the fishway 11 comprises a plurality of left water storage tanks 8 and right water storage tanks 7, and the left water storage tanks 8 and the right water storage tanks 7 are distributed in the fishway 11 in a left-right staggered step shape. The groove walls 10 of the left water storage groove 8 and the right water storage groove 7 are both arc-shaped. The wall 10 of the right water storage tank 7 is provided with a second channel 6 for fish to pass through. The opening area of the upstream side of the second channel 6 is smaller than the opening area of the downstream side of the second channel 6. The top plane of the blocking body is provided with first rockers 4 with the same number as the fishway 11, and the first rockers 4 are aligned with the entrance position of the fishway 11. The width of the first rockery 4 is the same as the width of the fishway 11. The number of the water courses 1 is one more than the number of the fishways 11. The front of the first rockery 4 is also provided with a second rockery 5 with the same number with the water channel 1, and the second rockery 5 is aligned with the inlet position of the water channel 1. The middle part of the second rockery 5 is provided with a third channel 2.
The working principle of the landscape blocking body is as follows: the water flow flows from upstream to downstream and firstly flows through the first rockery 4 and the second rockery 5 when passing through the baffle body; then flows into the water channel 1 and the fishway 11 simultaneously; the water flow in the fishway 11 respectively flows through the right water storage tank 7 and the left water storage tank 8, and the left water storage tank 8 is communicated with the right water storage tank 7 through a first channel 9; when a fish swims back through the fishway 11, the fish can swim upstream through the second passages 6 between the right water storage tanks 7 and the right water storage tanks 7 step by step, and the fish can swim into the left water storage tank 8 to be adjusted under the guidance of flow speed during the upstream swimming back, so that the swimming back probability of the fish is greatly improved.
The present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Other technical features than those described herein are well known in the art, and are not described in detail herein in order to avoid obscuring the novel features of the present invention.
Claims (10)
1. The utility model provides a city river course view keeps off body, its characterized in that, this view keeps off body includes keeps off the body, keep off the body and be the right trapezoid structure, keep off body inclined plane middle part laid at least one with keep off the parallel fishway in body inclined plane, the fishway side is equipped with the water course.
2. The urban river landscape barrier according to claim 1, wherein the fishway comprises a plurality of left water storage tanks and right water storage tanks, the left water storage tanks and the right water storage tanks are distributed in the fishway in a left-right staggered step shape, and a first channel is arranged between the adjacent left water storage tanks and the adjacent right water storage tanks.
3. The urban river landscape barrier according to claim 2, wherein the walls of the left and right reservoirs are both arc-shaped.
4. The urban river landscape barrier according to claim 3, wherein the wall of the right reservoir is provided with a second passage for fish to pass through.
5. The urban river landscape barrier according to claim 4, wherein the opening area of the incoming water side of the second channel is smaller than the opening area of the outgoing water side of the second channel.
6. The urban river landscape barrier according to claim 5, wherein the top plane of the barrier body is provided with the same number of first rockery stones as the fishway, and the first rockery stones are aligned with the fishway entrance.
7. The urban river landscape barrier according to claim 6, wherein the width of the first rockery is the same as the width of the river.
8. The landscape architecture of claim 7, wherein the number of waterways is one more than the number of fishways.
9. The urban river landscape barrier according to claim 8, wherein a second number of rockery stones is disposed in front of the first rockery stone, and the second number of rockery stones is aligned with the water channel inlet.
10. The city watercourse landscape barrier of claim 9, wherein a third channel is formed in the middle of the second rockery stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078350.XA CN112761120A (en) | 2021-01-21 | 2021-01-21 | City river landscape blocking body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078350.XA CN112761120A (en) | 2021-01-21 | 2021-01-21 | City river landscape blocking body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112761120A true CN112761120A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110078350.XA Pending CN112761120A (en) | 2021-01-21 | 2021-01-21 | City river landscape blocking body |
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| CN (1) | CN112761120A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3903391B1 (en) * | 2006-07-25 | 2007-04-11 | 福井県土地改良事業団体連合会 | Fishway bulkhead and fishway block and fishway structure |
| CN204940222U (en) * | 2015-08-19 | 2016-01-06 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of bilateral vertical seam type fish channel structure |
| CN206359965U (en) * | 2016-08-05 | 2017-07-28 | 柳涵坤 | The dam that fish can be allowed to skip |
| CN206547639U (en) * | 2017-03-07 | 2017-10-13 | 国电大渡河沙坪水电建设有限公司 | A kind of vertical seam type fish channel rest pond |
| CN209482259U (en) * | 2018-12-04 | 2019-10-11 | 中国电建集团贵阳勘测设计研究院有限公司 | It is a kind of to cross water landscape earth dam structure |
| CN209760164U (en) * | 2019-01-11 | 2019-12-10 | 厦门市国水水务咨询有限公司 | Small landscape retaining dam with fishway |
| CN210134403U (en) * | 2019-05-24 | 2020-03-10 | 西华大学 | Vertical seam type double-pool-chamber fishway |
-
2021
- 2021-01-21 CN CN202110078350.XA patent/CN112761120A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3903391B1 (en) * | 2006-07-25 | 2007-04-11 | 福井県土地改良事業団体連合会 | Fishway bulkhead and fishway block and fishway structure |
| CN204940222U (en) * | 2015-08-19 | 2016-01-06 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of bilateral vertical seam type fish channel structure |
| CN206359965U (en) * | 2016-08-05 | 2017-07-28 | 柳涵坤 | The dam that fish can be allowed to skip |
| CN206547639U (en) * | 2017-03-07 | 2017-10-13 | 国电大渡河沙坪水电建设有限公司 | A kind of vertical seam type fish channel rest pond |
| CN209482259U (en) * | 2018-12-04 | 2019-10-11 | 中国电建集团贵阳勘测设计研究院有限公司 | It is a kind of to cross water landscape earth dam structure |
| CN209760164U (en) * | 2019-01-11 | 2019-12-10 | 厦门市国水水务咨询有限公司 | Small landscape retaining dam with fishway |
| CN210134403U (en) * | 2019-05-24 | 2020-03-10 | 西华大学 | Vertical seam type double-pool-chamber fishway |
Non-Patent Citations (1)
| Title |
|---|
| 张立任等: "一种改进的横隔板竖缝式鱼道研究", 《一种改进的横隔板竖缝式鱼道研究》 * |
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Application publication date: 20210507 |