CN112962539A - Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove - Google Patents
Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove Download PDFInfo
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- CN112962539A CN112962539A CN202110155968.1A CN202110155968A CN112962539A CN 112962539 A CN112962539 A CN 112962539A CN 202110155968 A CN202110155968 A CN 202110155968A CN 112962539 A CN112962539 A CN 112962539A
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- gate
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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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
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides an ecological water drainage hole with a cover and a chiseled groove on a gate bottom plate, which is formed by chiseling a groove on the gate bottom plate, wherein the groove forms a water drainage channel between the edge of the bottom of a gate and the gate bottom plate after the gate is put down. Because the gate bottom plate is dug, the gate can not be closed when being placed to the lowest, and no matter the water level at the upstream of the reservoir is at a normal water storage level or a dead water level, water can flow downstream through the ecological water discharging hole to ensure the downstream ecological water demand at any time. The invention can effectively solve the problem of ecological water drainage only by constructing on the gate bottom plate, has relatively simple implementation and less investment, can be implemented on the basis of not damaging other building structures particularly for the built engineering, avoids engineering damage and reduces the technical difficulty of the engineering.
Description
Technical Field
The invention belongs to the field of engineering operation and ecological environment in hydraulic and hydroelectric engineering, and particularly relates to an ecological water drainage channel.
Background
A plurality of water storage gates and check gates are arranged in hydraulic engineering, and when the water storage gates and the check gates are built in the hydraulic engineering, the water is not available or little in the downstream, and the downstream riverway is dry. Certain ecological flow must be let down to the low reaches during power station operation according to engineering operation and ecological environment needs to satisfy the ecological requirement of river course and the production of power station low reaches villages and small towns, domestic water demand. Therefore, in the design of the hydro-junction engineering, the influence of river cutoff on the downstream ecological environment, industrial and agricultural water and residential water needs to be fully considered, and how to avoid the waste of water energy of ecological drainage flow, a special ecological water flow drainage channel, namely an ecological drainage channel, needs to be arranged on a river blocking building, and the ecological drainage channel is also an important content of sustainable development of the ecological environment.
The ecological water drainage channel is a permanent building and should be arranged in combination with other buildings of the project. In general, the conventional construction gate scheme is to arrange an ecological water discharge channel by connecting an embedded pipeline with the upstream and the downstream, and arrange a gate valve for control. The scheme is easier to implement and has less investment for the project which is being built or is to be built; however, for the existing engineering, the existing concrete structure is excavated or new excavation is carried out, and the existing reservoir level needs to be emptied to implement, so that on one hand, the construction difficulty is high, the investment is high, on the other hand, the safety of the original building structure is influenced, and the technical requirements are high.
Disclosure of Invention
The invention aims to provide a gate bottom plate chiseling and covering type ecological water drainage hole aiming at the defects of the prior art, so as to reduce the construction difficulty of an ecological water drainage channel and the engineering investment, and particularly solve the problems that the construction difficulty of the ecological water drainage channel of the constructed engineering is high, the investment is high, and the safety of a building structure is influenced.
The invention provides a gate bottom plate chiseling groove type ecological water discharging hole which is arranged on a water gate bottom plate and is formed by chiseling a groove on the water gate bottom plate, wherein the groove forms a water discharging channel between the edge of the bottom of a gate and the water gate bottom plate after the gate is put down.
The ecological water drain hole of the groove type is chiseled on the gate bottom plate, and furthermore, the groove is chiseled along the water flow direction and penetrates through the section of the gate bottom plate, which is vertical to the gate.
The ecological water drain hole is formed in the sluice bottom plate in a chiseled groove mode, and further the cross section of the groove in the direction perpendicular to the water flow is rectangular. In order to make the upstream water flow more smoothly to the downstream, it is preferable that the sidewalls of the upstream end and the downstream end of the groove are arc-shaped or arc-shaped.
The ecological water drain hole is formed in the gate bottom plate in a chiseled groove mode, and furthermore, the center line of the groove perpendicular to the water flow direction is overlapped with the edge of the bottom of the gate in a closed state.
The ecological water drain hole is characterized in that the length of the groove along the water flow direction is 1/10-1/5 of the width of the gate, the width of the groove is 1/20-1/10 of the width of the gate, and the depth of the groove is 1/20-1/10 of the width of the gate.
The ecological water drain hole of above-mentioned floodgate bottom plate chisel slot type, further, the recess is supporting to be provided with the stagnant water lid that the inside cavity of shape Pi recess matches, when need not discharging water, realizes that the stagnant water lid is absorbed in the recess and fills the recess to floodgate bottom plate parallel and level. When the water is not required to be drained and covered, the sealing material, such as rubber, is preferably adopted to seal the gap between the periphery of the water stop cover and the side wall of the groove.
Because the gate bottom plate is dug, the gate can not be closed when being placed to the lowest, and no matter the water level at the upstream of the reservoir is at a normal water storage level or a dead water level, water can flow downstream through the ecological water discharging hole to ensure the downstream ecological water demand at any time. When ecological water drainage is not needed, a water stop cover can be added on the chisel groove to restore the original gate bottom plate and meet the requirement of water stop.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a novel gate bottom plate chiseling groove and cover type ecological water drain hole. Meanwhile, the chiseling groove can be covered under the non-drainage state to block water flow.
2. The invention can effectively solve the problem of ecological water drainage only by constructing on the gate bottom plate, has relatively simple implementation and less investment, can be implemented on the basis of not damaging other building structures particularly for the built engineering, avoids engineering damage and reduces the technical difficulty of the engineering.
Drawings
FIG. 1 is a schematic view of a structure of a water discharge hole of a gate bottom plate;
FIG. 2 is a top view of a water discharge hole of a gate bottom plate;
FIG. 3 is a view of the downstream of a slotted bleed hole in the gate plate.
In the figure, 1 is a gate, 2 is a groove, 3 is a gate bottom plate, 4 is a wide top weir, and 5 is a side wall.
Detailed Description
The invention is further illustrated by the following examples. It should be noted that the following examples are only for illustrating the present invention and should not be construed as limiting the scope of the present invention, and those skilled in the art can make certain insubstantial modifications and adaptations of the present invention based on the above disclosure and still fall within the scope of the present invention.
Example 1
The ecological water drainage hole of the gate bottom plate chisel groove type of this embodiment, as described in fig. 1-3, is arranged on the sluice bottom plate, and is formed by cutting a groove on the sluice bottom plate, and the groove forms a water drainage channel between the edge of the gate bottom and the sluice bottom plate after the gate is put down. The groove is cut along the water flow direction (the central axis direction of the gate bottom plate) and penetrates through the section of the gate bottom plate, which is vertical to the gate. The central line of the groove perpendicular to the water flow direction is superposed with the bottom edge of the gate when the gate is put down. The cross section (cross section) of the groove in the direction perpendicular to the water flow is rectangular. In order to make the upstream water flow more smoothly to the downstream, the side walls of the upstream end and the downstream end of the groove are set into arc shapes. The length of the groove along the water flow direction is 1/5 of the width of the gate, the groove width is 1/10 of the width of the gate, and the groove depth is 1/20 of the width of the gate. The water stop cover matched with the inner cavity of the Pi-shaped groove is arranged on the groove in a matched mode, and when water does not need to be discharged, the water stop cover is sunk into the groove to fill the groove into the brake bottom plate to be flush. When the water is not required to be drained and covered, the sealing material, such as rubber, is preferably adopted to seal the gap between the periphery of the water stop cover and the side wall of the groove.
Because the gate bottom plate is dug, the gate can not be closed when being placed to the lowest, and no matter the water level at the upstream of the reservoir is at a normal water storage level or a dead water level, water can flow downstream through the ecological water discharging hole to ensure the downstream ecological water demand at any time. When ecological water drainage is not needed, a water stop cover can be added on the chisel groove to restore the original gate bottom plate and meet the requirement of water stop.
Claims (7)
1. A trench type ecological water drain hole of a gate bottom plate is characterized in that the trench type ecological water drain hole is formed in the gate bottom plate by chiseling a groove on the gate bottom plate, and the groove forms a water drain channel between the edge of the bottom of a gate and the gate bottom plate after the gate is put down.
2. The ecological water discharge hole of claim 1, wherein the groove is cut along the water flow direction and penetrates the section of the gate bottom plate which is vertical to the gate.
3. The ecological drain hole of claim 1, wherein the groove has a rectangular cross-sectional shape in a direction perpendicular to the water flow.
4. The ecological water discharge hole of claim 3, wherein the side walls of the upstream end and the downstream end of the groove are arc-shaped or arc-shaped.
5. The ecological drain hole of claim 1, wherein the groove has a center line perpendicular to the water flow direction and coincides with the bottom edge of the gate in a closed state.
6. The ecological water discharging hole with the chiseled groove on the gate bottom plate as claimed in claim 1, wherein the length of the groove along the water flow direction is 1/10-1/5 of the gate width, the groove width is 1/20-1/10 of the gate width, and the groove depth is 1/20-1/10 of the gate width.
7. The ecological water discharging hole of the sluice bottom plate dug groove type according to claim 1, wherein the groove is provided with a water stop cover matching with the inner cavity of the Pi groove in shape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110155968.1A CN112962539B (en) | 2021-02-04 | 2021-02-04 | Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove |
Applications Claiming Priority (1)
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CN202110155968.1A CN112962539B (en) | 2021-02-04 | 2021-02-04 | Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove |
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CN112962539A true CN112962539A (en) | 2021-06-15 |
CN112962539B CN112962539B (en) | 2022-12-23 |
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CN202110155968.1A Active CN112962539B (en) | 2021-02-04 | 2021-02-04 | Ecological hole that drains of formula of covering is added in floodgate bottom plate chisel groove |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB198552A (en) * | 1922-05-24 | 1923-06-07 | Frank Vincent Elsden | Improvements in head sluices for irrigation canals and the like |
JPH05179631A (en) * | 1991-12-27 | 1993-07-20 | Hazama Gumi Ltd | Dam structure |
CN104164858A (en) * | 2014-07-30 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Diversion tunnel sequential blocking method for realizing continuous stream of down stream of high arch dam in storage period |
CN204000789U (en) * | 2014-08-08 | 2014-12-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure for providing downstream ecological flow after down-gate of drainage and release structure |
CN105386426A (en) * | 2015-12-18 | 2016-03-09 | 长江勘测规划设计研究有限责任公司 | Construction for transforming diversion tunnel into ecological drainage tunnel controlled by radial gate and method for construction |
CN110374062A (en) * | 2019-06-06 | 2019-10-25 | 赵晓霞 | A kind of compound bottom gate with sand discharge function |
CN111877277A (en) * | 2020-07-16 | 2020-11-03 | 四川大学 | Radial gate aeration structure with side wall impact rebound low-pressure area suddenly expanding and falling |
CN112281770A (en) * | 2020-11-16 | 2021-01-29 | 武汉大学 | Flood discharge structure adopting bottom hole and surface hole combined flood discharge and energy dissipation |
-
2021
- 2021-02-04 CN CN202110155968.1A patent/CN112962539B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB198552A (en) * | 1922-05-24 | 1923-06-07 | Frank Vincent Elsden | Improvements in head sluices for irrigation canals and the like |
JPH05179631A (en) * | 1991-12-27 | 1993-07-20 | Hazama Gumi Ltd | Dam structure |
CN104164858A (en) * | 2014-07-30 | 2014-11-26 | 长江勘测规划设计研究有限责任公司 | Diversion tunnel sequential blocking method for realizing continuous stream of down stream of high arch dam in storage period |
CN204000789U (en) * | 2014-08-08 | 2014-12-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure for providing downstream ecological flow after down-gate of drainage and release structure |
CN105386426A (en) * | 2015-12-18 | 2016-03-09 | 长江勘测规划设计研究有限责任公司 | Construction for transforming diversion tunnel into ecological drainage tunnel controlled by radial gate and method for construction |
CN110374062A (en) * | 2019-06-06 | 2019-10-25 | 赵晓霞 | A kind of compound bottom gate with sand discharge function |
CN111877277A (en) * | 2020-07-16 | 2020-11-03 | 四川大学 | Radial gate aeration structure with side wall impact rebound low-pressure area suddenly expanding and falling |
CN112281770A (en) * | 2020-11-16 | 2021-01-29 | 武汉大学 | Flood discharge structure adopting bottom hole and surface hole combined flood discharge and energy dissipation |
Non-Patent Citations (2)
Title |
---|
郭继宏: "浅析水闸工程施工设计", 《城市建筑》 * |
韩鹏辉等: "某水电站生态放水孔设计", 《陕西水利》 * |
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