CN105672215A - Weir flow joint energy dissipation device - Google Patents
Weir flow joint energy dissipation device Download PDFInfo
- Publication number
- CN105672215A CN105672215A CN201610053268.0A CN201610053268A CN105672215A CN 105672215 A CN105672215 A CN 105672215A CN 201610053268 A CN201610053268 A CN 201610053268A CN 105672215 A CN105672215 A CN 105672215A
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- China
- Prior art keywords
- energy dissipating
- energy
- hole
- weir
- bank
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Classifications
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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
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
Abstract
The invention provides a weir flow joint energy dissipation device. The weir flow joint energy dissipation device comprises a weir main structure, an energy dissipation sill device, a tail sill device, a downstream energy dissipation hole and energy dissipation resistance piles arranged in the energy dissipation hole. Due to teamwork of the various energy dissipation devices, weir flow joint energy dissipation work is achieved, and therefore downstream hydraulic structures can be well protected.
Description
Technical field
The present invention relates to a kind of waterpower energy dissipating device, specifically, it relates to a kind of weir stream combined energy dissipation device.
Background technology
Weir stream (weirflow) is after arranging barrier (weir) in open channel, the current phenomenon that unhurried current is crossed through the overflow of barrier top, weir stream is widely used in hydro project, diversion works, power plant project all have existence, but owing to current are through weir body, flow velocity is bigger, if energy dissipating not in time, then the hydraulic facility in downstream can be produced bigger harm, especially when downstream configurations is thin-lift concrete structure or during sandy soil structure, then this kind of harm then can be strengthened.
At present, for the existing various structures form of the energy-dissipating structure in hydraulic engineering, but its construction is comparatively complicated, and most of energy dissipating device all works independently, various energy dissipating measure can not be combined and carried out work, thus causes effect of energy dissipation poor, can not reach good energy dissipating device effect, therefore, study a kind of combined energy dissipation device being applicable to weir flow structure and seem particularly important.
Summary of the invention
The present invention is intended to the energy-dissipating structure for weir flow structure, it is provided that a kind of combined energy dissipation device, by the associated working of various energy dissipator, it is achieved the energy dissipating device of weir flow structure, thus the protection to downstream configurations.
The present invention provides a kind of weir stream combined energy dissipation device, it comprises weir agent structure, energy dissipating bank device, tail bank device, downstream dissipator of energy hole structure, it is characterized in that: energy dissipating bank device is N row, N be greater than 2 integer, often arranging energy dissipating bank device is M, M be greater than 3 integer, Transverse to the flow direction, the spacing of the energy dissipating bank device often arranged is equal, along current direction, described spacing increases successively, thus realize the diffusion energy dissipating of water energy, at weir agent structure toe, also it is provided with last person's bank device, described tail bank device is arranged in order, and its spacing is the half of described spacing of the energy dissipating bank device arranged bottom, thus realize the contraction energy dissipating of energy dissipating device, energy dissipating hole is also established successively in tail bank downstream, energy dissipating hole dia is 1/5 times of weir height, and hole is that arc is arranged, the hole degree of depth is the 1/10 of weir height, current through energy dissipating bank and tail bank collide energy dissipating in energy dissipating hole, for increasing effect of energy dissipation, some energy dissipating resistance pileworks are set in energy dissipating hole, energy dissipating resistance stake is arranged as two rows, often arrangement is set to 4, and often arrange 4 energy dissipating resistance stakes along the circumferential direction unequal interval layout, two rows energy dissipating resistance stake is staggeredly arranged, and eight energy dissipating pile lengths are not etc., the energy dissipating resistance pile length that each energy dissipating resistance stake is adjacent is all inequal.
Described baffle wall style structure is arc or tooth shape structure.
Described energy dissipating hole be arranged as quincuncial arrangement.
For sliding type is connected relation between described energy dissipating resistance stake with hole, energy dissipating hole wall, being provided with chute in the wall of hole, energy dissipating hole, energy dissipating resistance stake can be slided in chute, when water impact energy dissipating resistance stake, the energy dissipating resistance stake slided can realize energy dissipating, thus improves effect of energy dissipation.
Described energy dissipating resistance stake is steel construction.
By arranging above-mentioned energy dissipating device, energy dissipating bank, tail bank and energy dissipating hole device can be utilized, it is achieved the multi-stage combination energy dissipating of water body, thus realize the associative form energy dissipating of weir body.
Accompanying drawing explanation
Fig. 1 is the sectional view of weir stream combined energy dissipation device;
Fig. 2 is the vertical view of weir stream combined energy dissipation device.
Description of reference numerals: 1 weir agent structure, 2 energy dissipating bank devices, 3 tail bank devices, 4 energy dissipating holes, 5 energy dissipating resistance stakes.
Embodiment
The present invention provides a kind of weir stream combined energy dissipation device, it comprises weir agent structure 1, energy dissipating bank device 2, tail bank device 3, downstream dissipator of energy hole structure 4, it is characterized in that: energy dissipating bank device 2 is N row, N be greater than 2 integer, often arranging energy dissipating bank device 2 is M, M be greater than 3 integer, Transverse to the flow direction, the spacing of the energy dissipating bank device 2 often arranged is equal, along current direction, described spacing increases successively, thus realize the diffusion energy dissipating of water energy, at weir agent structure 1 toe, also it is provided with last person's bank device 3, described tail bank device 3 is arranged in order, and its spacing is the half of described spacing of the energy dissipating bank device 2 arranged bottom, thus realize the contraction energy dissipating of energy dissipating device, energy dissipating hole 4 is also established successively in tail bank 3 downstream, energy dissipating hole 4 diameter is 1/5 times of weir body 1 height, and hole is that arc is arranged, the hole degree of depth is the 1/10 of weir body 1 height, current through energy dissipating bank 2 and tail bank 3 collide energy dissipating in energy dissipating hole 4, for increasing effect of energy dissipation, some energy dissipating resistance pileworks 5 are set in energy dissipating hole 4, energy dissipating resistance stake 5 is arranged as two rows, often arrangement is set to 4, and often arrange 4 energy dissipating resistance stakes 5 along the circumferential direction unequal interval layout, two rows energy dissipating resistance stake 5 is staggeredly arranged, and eight energy dissipating stake 5 length is not etc., energy dissipating resistance stake 5 length that each energy dissipating resistance stake 5 is adjacent is all inequal.
Described Transverse to the flow direction, the spacing of the energy dissipating bank 2 often arranged is equal, namely often arranges the spacing between the energy dissipating bank 2 of setting always equal; Along current direction, described spacing increases successively, namely along current direction, and the spacing that the spacing between the energy dissipating bank 2 of next row is always greater than between row's energy dissipating bank 2.
Described energy dissipating bank and tail bank are all connected and fixed by being arranged on the reserved steel bar of weir main body.
Often arrange energy dissipating bank 2 from the both sides of weir main body to center, energy dissipating bank 2 volume reduces successively, tail bank 3 increases from the both sides of weir main body 1 successively to central volume, when energy dissipating bank 2 number is odd number, energy dissipating bank 2 volume at the center often arranging energy dissipating bank 2 is minimum, when energy dissipating bank 2 number is even number, two energy dissipating bank 2 volumes often arranging energy dissipating bank 2 center are minimum, when tail bank 3 number is even number, tail bank 3 volume at the center of tail bank 3 is maximum, when tail bank 3 number is even number, two tail bank 3 volumes at tail bank 3 center are maximum.
Described baffle wall style 2 structure is arc or tooth shape structure.
Described energy dissipating hole 4 be arranged as quincuncial arrangement.
For sliding type is connected relation between described energy dissipating resistance stake 5 with hole, energy dissipating hole 4 wall, being provided with chute in the wall of hole, energy dissipating hole 4, energy dissipating resistance stake 5 can be slided in chute, when water impact energy dissipating resistance stake 5, the energy dissipating resistance stake 5 slided can realize energy dissipating, thus improves effect of energy dissipation.
Described energy dissipating resistance stake 5 is steel construction.
These are only the preferred embodiments of the present invention, the technical scheme of any equivalent replacement not departing from present inventive concept is all in protection scope of the present invention.
Claims (5)
1. a weir stream combined energy dissipation device, it comprises weir agent structure, energy dissipating bank device, tail bank device, downstream dissipator of energy hole structure, it is characterized in that: energy dissipating bank device is N row, N be greater than 2 integer, often arranging energy dissipating bank device is M, M be greater than 3 integer, Transverse to the flow direction, the spacing of the energy dissipating bank device often arranged is equal, along current direction, described spacing increases successively, thus realize the diffusion energy dissipating of water energy, at weir agent structure toe, also it is provided with last person's bank device, described tail bank device is arranged in order, and its spacing is the half of described spacing of the energy dissipating bank device arranged bottom, thus realize the contraction energy dissipating of energy dissipating device, energy dissipating hole is also established successively in tail bank downstream, energy dissipating hole dia is 1/5 times of weir height, and hole is that arc is arranged, the hole degree of depth is the 1/10 of weir height, current through energy dissipating bank and tail bank collide energy dissipating in energy dissipating hole, for increasing effect of energy dissipation, some energy dissipating resistance pileworks are set in energy dissipating hole, energy dissipating resistance stake is arranged as two rows, often arrangement is set to 4, and often arrange 4 energy dissipating resistance stakes along the circumferential direction unequal interval layout, two rows energy dissipating resistance stake is staggeredly arranged, and eight energy dissipating pile lengths are not etc., the energy dissipating resistance pile length that each energy dissipating resistance stake is adjacent is all inequal.
2. weir as claimed in claim 1 stream combined energy dissipation device, it is characterised in that: baffle wall style structure is arc or tooth shape structure.
3. weir as claimed in claim 2 stream combined energy dissipation device, it is characterised in that: described energy dissipating hole be arranged as quincuncial arrangement.
4. weir as claimed in claim 3 stream combined energy dissipation device, it is characterized in that: between described energy dissipating resistance stake with hole, energy dissipating hole wall, relation can be connected for sliding type, it is provided with chute in the wall of hole, energy dissipating hole, energy dissipating resistance stake can be slided in chute, when water impact energy dissipating resistance stake, the energy dissipating resistance stake slided can realize energy dissipating, thus improves effect of energy dissipation.
5. weir as claimed in claim 4 stream combined energy dissipation device, it is characterised in that: described energy dissipating resistance stake is steel construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053268.0A CN105672215B (en) | 2016-01-27 | 2016-01-27 | A kind of weir flow combined energy dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053268.0A CN105672215B (en) | 2016-01-27 | 2016-01-27 | A kind of weir flow combined energy dissipation device |
Publications (2)
| Publication Number | Publication Date |
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| CN105672215A true CN105672215A (en) | 2016-06-15 |
| CN105672215B CN105672215B (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610053268.0A Expired - Fee Related CN105672215B (en) | 2016-01-27 | 2016-01-27 | A kind of weir flow combined energy dissipation device |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442341A (en) * | 2018-05-21 | 2018-08-24 | 河南罡源电子科技有限公司 | A kind of hydraulic engineering energy dissipating hole |
| CN108442342A (en) * | 2018-05-21 | 2018-08-24 | 河南罡源电子科技有限公司 | A kind of construction method in hydraulic engineering energy dissipating hole |
| CN111765382A (en) * | 2020-06-16 | 2020-10-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Pressure reducing device for long-distance large-flow water supply pipeline and construction method of pressure reducing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488960Y (en) * | 2000-09-01 | 2002-05-01 | 福建省水利水电勘测设计研究院 | Energy dissipation and flood discharge for large dam in new type of diffusion mode |
| US20110064522A1 (en) * | 2009-09-16 | 2011-03-17 | Tecnica En Instalaciones De Fluidos, S.L. | System and method for reducing the downstream environmental impact of water extracted from a hydraulic dam |
| KR20110069409A (en) * | 2009-12-17 | 2011-06-23 | 삼성중공업 주식회사 | Floating type breakwater |
| CN104141290A (en) * | 2014-01-09 | 2014-11-12 | 成都绿迪科技有限公司 | Energy dissipater structure |
| CN203947445U (en) * | 2013-07-11 | 2014-11-19 | 安徽理工大学 | One is chosen stream and jet combined energy dissipating experimental rig |
| CN204753513U (en) * | 2015-05-11 | 2015-11-11 | 浙江水利水电学院 | Dam with from energy dissipation function |
-
2016
- 2016-01-27 CN CN201610053268.0A patent/CN105672215B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2488960Y (en) * | 2000-09-01 | 2002-05-01 | 福建省水利水电勘测设计研究院 | Energy dissipation and flood discharge for large dam in new type of diffusion mode |
| US20110064522A1 (en) * | 2009-09-16 | 2011-03-17 | Tecnica En Instalaciones De Fluidos, S.L. | System and method for reducing the downstream environmental impact of water extracted from a hydraulic dam |
| KR20110069409A (en) * | 2009-12-17 | 2011-06-23 | 삼성중공업 주식회사 | Floating type breakwater |
| CN203947445U (en) * | 2013-07-11 | 2014-11-19 | 安徽理工大学 | One is chosen stream and jet combined energy dissipating experimental rig |
| CN104141290A (en) * | 2014-01-09 | 2014-11-12 | 成都绿迪科技有限公司 | Energy dissipater structure |
| CN204753513U (en) * | 2015-05-11 | 2015-11-11 | 浙江水利水电学院 | Dam with from energy dissipation function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442341A (en) * | 2018-05-21 | 2018-08-24 | 河南罡源电子科技有限公司 | A kind of hydraulic engineering energy dissipating hole |
| CN108442342A (en) * | 2018-05-21 | 2018-08-24 | 河南罡源电子科技有限公司 | A kind of construction method in hydraulic engineering energy dissipating hole |
| CN111765382A (en) * | 2020-06-16 | 2020-10-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Pressure reducing device for long-distance large-flow water supply pipeline and construction method of pressure reducing device |
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| Publication number | Publication date |
|---|---|
| CN105672215B (en) | 2018-10-23 |
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