CN111576361A - Flood discharge gate energy dissipation scour protection equipment - Google Patents
Flood discharge gate energy dissipation scour protection equipment Download PDFInfo
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- CN111576361A CN111576361A CN202010491106.1A CN202010491106A CN111576361A CN 111576361 A CN111576361 A CN 111576361A CN 202010491106 A CN202010491106 A CN 202010491106A CN 111576361 A CN111576361 A CN 111576361A
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- concrete
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- energy dissipation
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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
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of water conservancy and hydropower constructional engineering, in particular to flood discharge gate energy dissipation and scour prevention equipment, which comprises a concrete gate dam built on a gate dam foundation, wherein a concrete apron is poured on the downstream side of the concrete gate dam, a scour prevention wall with the lower end positioned in the gate dam foundation is poured below the tail end of the concrete apron in the water flow direction, and a concrete sea dam is also poured on the downstream side of the concrete apron; the impact-proof wall comprises a vertical part, a horizontal part, an arc-shaped protruding part, an inclined part and a connecting rod. The invention has the advantages of high structural strength, reasonable arrangement, quick construction and good energy dissipation effect, avoids potential safety hazards caused by long-term scouring of loose bodies buried below the gate dam foundation and has high popularization and application values.
Description
Technical Field
The invention relates to the technical field of water conservancy and hydropower constructional engineering, in particular to energy dissipation and impact prevention equipment for a flood discharge gate.
Background
In water conservancy and hydropower engineering, a water outlet structure (such as a flood discharge gate) is the key for guaranteeing the safety of a reservoir and fully exerting engineering benefits, the flow state of water flow of the water outlet structure directly influences the operation reliability of the water outlet structure, and the water outlet structure and a building where the water outlet structure is located often generate adverse effects of vibration, cavitation erosion, scouring or aggravation of silt abrasion and the like under high-speed water flow. The energy dissipation structure is an important component of the water discharge structure, takes charge of the task of dissipating partial or most of water flow energy, and enables the water flow discharged by the energy dissipation structure to be properly connected with the original water flow of a downstream river channel. The hydraulic energy dissipation method is suitable for various water release buildings with high, medium and low water heads, large, medium and small flow rates, has low requirement on geological conditions, and has good adaptability to tail water amplitude variation, thereby being widely applied.
But current flood discharge floodgate energy dissipation scour protection equipment, structural strength is low, and the construction is swift inadequately, and the energy dissipation effect is poor, can make the loose body of landfill below the floodgate dam basis cause the potential safety hazard for a long time by the scour. Therefore, in view of the above situation, there is an urgent need to develop an energy dissipation and impact prevention structure for a flood discharge gate to overcome the shortcomings in the current practical application.
Disclosure of Invention
An object of an embodiment of the present invention is to provide an energy dissipation and impact prevention device for a flood discharge gate, so as to solve the problems in the background art.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
an energy dissipation and impact prevention device for a flood discharge gate comprises a concrete gate dam built on a gate dam foundation, wherein a concrete apron is poured on the downstream side of the concrete gate dam, an impact prevention wall with the lower end located in the gate dam foundation is poured below the tail end of the concrete apron in the water flow direction, and a concrete sea floor is also poured on the downstream side of the concrete apron;
the scour protection wall is including vertical portion, horizontal part, arc protruding portion, rake and connecting rod, the upper end and the concrete romance of vertical portion are connected fixedly, vertical portion is fixed with the horizontal part towards the side-mounting of rivers direction, the upper surface of horizontal part still supports with the lower surface of concrete apron and leans on fixedly, the opposite side of vertical portion is fixed with a plurality of arc protruding portions along the axis direction installation of vertical portion, still the installation is fixed with a plurality of rakes between the downside of horizontal part and the vertical portion, and is a plurality of still run through on the rake and be equipped with a connecting rod.
As a further scheme of the invention: the axial direction of the vertical part is vertical to the water flow direction; the axial direction of the horizontal part is parallel to the water flow direction, and the front and back widths of the vertical part and the horizontal part are the same.
As a further scheme of the invention: the upper end surface and the lower end surface of each two adjacent arc-shaped protruding parts are connected in a parabola mode, and a semi-cylindrical groove is formed between the two adjacent arc-shaped protruding parts.
As a further scheme of the invention: the inclined part is of a right-angled triangle structure, the inclined part is vertically arranged, one right-angle edge of the inclined part is fixedly connected with the lower side of the horizontal part, and the other right-angle edge of the inclined part is fixedly connected with the vertical part.
As a further scheme of the invention: the connecting rod is horizontally arranged, and the axis of the connecting rod is vertical to the water flow direction; the connecting rod passes through the centers of gravity of the inclined parts and is fixedly connected with the inclined parts; the length of the connecting rod is greater than the front and rear widths of the vertical part and the horizontal part.
As a further scheme of the invention: the concrete sea lantern comprises a plurality of oval frame beams which are evenly distributed, a concrete tetrahedron is filled in each oval frame beam, and a cross support beam is fixedly connected between every two adjacent oval frame beams.
As a further scheme of the invention: and the four branches of the cross-shaped support beam are respectively connected and fixed with the ends of the long shafts or the short shafts of the four adjacent oval frame beams.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
this flood discharge floodgate energy dissipation scour protection equipment through setting up the scour protection wall that comprises vertical portion, horizontal part, arc protruding portion, rake and connecting rod, can make the water of the horizontal joint infiltration through concrete fender flat can not enter into the floodgate dam basis, and structural strength is high, sets up rationally, and the construction is swift, and the energy dissipation is done well, avoids the loose integument of floodgate dam basis below landfill to erode for a long time and causes the potential safety hazard, has very high popularization and application and worth.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a baffle wall part in the embodiment of the invention.
Fig. 3 is a right-view structural diagram of fig. 2.
FIG. 4 is a schematic top view of a concrete sea-side part according to an embodiment of the present invention.
In the figure: 1-gate dam foundation, 2-concrete gate dam, 3-concrete apron, 4-impact-proof wall, 41-vertical part, 42-horizontal part, 43-arc-shaped protruding part, 44-inclined part, 45-connecting rod, 5-concrete sea wall, 51-oval frame beam, 52-concrete tetrahedron and 53-cross supporting beam.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, an energy dissipation and impact prevention device for a flood discharge gate includes a concrete gate dam 2 constructed on a gate dam foundation 1, loose objects are filled below the concrete gate dam 2, a concrete apron 3 is poured on a downstream side of the concrete gate dam 2, an impact prevention wall 4 having a lower end located in the gate dam foundation 1 is poured below a terminal end of the concrete apron 3 in a water flow direction, the impact prevention wall 4 can prevent water infiltrated through a transverse seam of the concrete apron 3 from infiltrating into the gate dam foundation 1 and prevent the loose objects filled below the gate dam foundation 1 from being eroded for a long time to cause a potential safety hazard, and a concrete sea membrane 5 is poured on a downstream side of the concrete apron 3.
As shown in fig. 2 and 3, the impact prevention wall 4 includes a vertical portion 41, a horizontal portion 42, an arc-shaped protrusion 43, an inclined portion 44 and a connecting rod 45, the axial direction of the vertical part 41 is vertical to the water flow direction, the upper end of the vertical part 41 is fixedly connected with the concrete sea membrane 5, a horizontal part 42 is fixedly arranged on one side of the vertical part 41 facing to the water flow direction, and the horizontal part 42 has an axial direction parallel to the water flow direction, the vertical part 41 and the horizontal part 42 have the same front and rear width, the upper surface of the horizontal part 42 is abutted and fixed with the lower surface of the concrete apron 3, a plurality of arc-shaped protruding parts 43 are fixedly arranged on the other side of the vertical part 41 along the axial direction of the vertical part 41, the upper end surface and the lower end surface of two adjacent arc-shaped protruding parts 43 are connected in a parabola mode, a semi-cylindrical groove is formed between the two adjacent arc-shaped protruding parts 43, and the arc-shaped protruding parts 43 have a good energy dissipation effect; a plurality of inclined parts 44 are further fixedly arranged between the lower side of the horizontal part 42 and the vertical part 41, the inclined parts 44 are of right-angled triangle structures, the inclined parts 44 are vertically arranged, one right-angled edge of each inclined part 44 is fixedly connected with the lower side of the horizontal part 42, the other right-angled edge of each inclined part 44 is fixedly connected with the vertical part 41, and the inclined parts 44 have a good structure reinforcing effect; it is a plurality of still run through on the slope 44 and be equipped with a connecting rod 45, connecting rod 45 level sets up, just the axis of connecting rod 45 is perpendicular with the rivers direction, and connecting rod 45 passes from the focus of a plurality of slopes 44, just connecting rod 45 is connected fixedly with slope 44, and the length of connecting rod 45 is greater than vertical portion 41 and horizontal part 42 front and back width, is used for further playing the effect of strengthening the fixing through connecting rod 45, and then promotes the whole shock resistance of impingement wall 4.
In the embodiment of the invention, the anti-impact wall 4 consisting of the vertical part 41, the horizontal part 42, the arc-shaped protruding part 43, the inclined part 44 and the connecting rod 45 is arranged, so that water permeating through the transverse seam of the concrete apron 3 can not enter the gate dam foundation 1, the structure strength is high, the arrangement is reasonable, the construction is rapid, the energy dissipation effect is good, the potential safety hazard caused by long-term scouring of loose bodies filled below the gate dam foundation 1 is avoided, and the anti-impact wall has high popularization and application values.
Example 2
Referring to fig. 1 and 4, the present embodiment is different from embodiment 1 in that:
in this embodiment, the concrete sea backlog 5 includes a plurality of oval frame beams 51 that are evenly arranged, and the inside packing of oval frame beam 51 has concrete tetrahedron 52, and it is fixed with cross supporting beam 53 to connect between two adjacent oval frame beams 51, four branches of cross supporting beam 53 are fixed with the major axis or minor axis end connection of four adjacent oval frame beams 51 respectively, and oval frame beam 51 can play the effect of energy dissipation well, and concrete tetrahedron 52 in oval frame beam 51 is difficult to be washed away by rivers, and cross supporting beam 53 can further increase concrete sea backlog 5's structural stability.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The utility model provides a flood discharge gate energy dissipation scour protection equipment, is including building concrete floodgate dam (2) on floodgate dam foundation (1), concrete apron (3) have been pour to the downstream side of concrete floodgate dam (2), the scour protection wall (4) that the lower extreme is located floodgate dam foundation (1) have been pour to concrete apron (3) along the terminal below of rivers direction, concrete apron (3) downstream side has still been pour concrete sea man (5), its characterized in that:
the impact-proof wall (4) comprises a vertical part (41), a horizontal part (42), an arc-shaped protruding part (43), an inclined part (44) and a connecting rod (45);
the upper end of the vertical part (41) is fixedly connected with the concrete sea horse (5);
a horizontal part (42) is fixedly installed on one side of the vertical part (41) facing to the water flow direction, the upper surface of the horizontal part (42) is fixedly abutted against the lower surface of the concrete apron (3), and a plurality of arc-shaped protruding parts (43) are fixedly installed on the other side of the vertical part (41) along the axial direction of the vertical part (41);
a plurality of inclined parts (44) are further installed and fixed between the lower side of the horizontal part (42) and the vertical part (41);
a connecting rod (45) is also arranged on the plurality of inclined parts (44) in a penetrating way.
2. A flood gate energy-dissipating and impact-preventing device according to claim 1, characterized in that the axial direction of the vertical portion (41) is perpendicular to the water flow direction;
the axial direction of the horizontal part (42) is parallel to the water flow direction;
the vertical part (41) and the horizontal part (42) have the same front and rear width.
3. A flood gate energy-dissipating and impact-preventing device according to claim 2, wherein the upper and lower end surfaces of two adjacent arc-shaped protrusions (43) are connected parabolically, and a semi-cylindrical groove is formed between two adjacent arc-shaped protrusions (43).
4. A flood gate energy dissipation and impact prevention device according to claim 3, characterized in that the inclined part (44) is of a right triangle structure, the inclined part (44) is vertically arranged, one right-angle side of the inclined part (44) is fixedly connected with the lower side of the horizontal part (42), and the other right-angle side of the inclined part (44) is fixedly connected with the vertical part (41).
5. The flood gate energy-dissipating and impact-preventing device according to claim 4, wherein the connecting rods (45) are horizontally arranged, and the axes of the connecting rods (45) are perpendicular to the direction of water flow;
the connecting rod (45) penetrates through the centers of gravity of the inclined parts (44), and the connecting rod (45) is fixedly connected with the inclined parts (44);
the length of the connecting rod (45) is greater than the front-rear width of the vertical part (41) and the horizontal part (42).
6. The flood discharge gate energy dissipation and impact prevention device according to any one of claims 1 to 5, wherein the concrete sea wall (5) comprises a plurality of uniformly arranged oval frame beams (51), concrete tetrahedrons (52) are filled in the oval frame beams (51), and cross support beams (53) are connected and fixed between two adjacent oval frame beams (51).
7. The flood gate energy-dissipating and impact-preventing device according to claim 6, wherein the four branches of the cross-shaped support beam (53) are respectively connected and fixed with the ends of the major or minor axes of the adjacent four oval frame beams (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491106.1A CN111576361A (en) | 2020-06-02 | 2020-06-02 | Flood discharge gate energy dissipation scour protection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491106.1A CN111576361A (en) | 2020-06-02 | 2020-06-02 | Flood discharge gate energy dissipation scour protection equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111576361A true CN111576361A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010491106.1A Pending CN111576361A (en) | 2020-06-02 | 2020-06-02 | Flood discharge gate energy dissipation scour protection equipment |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443654B1 (en) * | 1998-05-05 | 2002-09-03 | Frederick J. Kauppi | Hydraulic energy dissipating offset stepped spillway |
| CN202500122U (en) * | 2012-03-29 | 2012-10-24 | 辽宁省水利水电科学研究院 | Energy dissipator of high-fall sluice |
| CN104047273A (en) * | 2013-03-13 | 2014-09-17 | 中国水电顾问集团贵阳勘测设计研究院 | Energy dissipation anti-flushing wall for hydropower station and construction method thereof |
| CN104131539A (en) * | 2013-11-20 | 2014-11-05 | 成都科创佳思科技有限公司 | Water gate energy dissipation structure |
| CN104863098A (en) * | 2015-05-14 | 2015-08-26 | 广东省水利水电科学研究院 | Danger-elimination refitting method for stilling pool downstream energy dissipater |
| CN206503125U (en) * | 2016-12-30 | 2017-09-19 | 史超群 | A kind of Novel water conservancy project energy dissipater structure |
| CN206800345U (en) * | 2017-05-23 | 2017-12-26 | 国电大渡河沙坪水电建设有限公司 | A kind of sluice dissipation and scouring structure |
| CN209907339U (en) * | 2019-01-14 | 2020-01-07 | 昆明理工大学 | Multistage abrupt slope energy absorber |
-
2020
- 2020-06-02 CN CN202010491106.1A patent/CN111576361A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443654B1 (en) * | 1998-05-05 | 2002-09-03 | Frederick J. Kauppi | Hydraulic energy dissipating offset stepped spillway |
| CN202500122U (en) * | 2012-03-29 | 2012-10-24 | 辽宁省水利水电科学研究院 | Energy dissipator of high-fall sluice |
| CN104047273A (en) * | 2013-03-13 | 2014-09-17 | 中国水电顾问集团贵阳勘测设计研究院 | Energy dissipation anti-flushing wall for hydropower station and construction method thereof |
| CN104131539A (en) * | 2013-11-20 | 2014-11-05 | 成都科创佳思科技有限公司 | Water gate energy dissipation structure |
| CN104863098A (en) * | 2015-05-14 | 2015-08-26 | 广东省水利水电科学研究院 | Danger-elimination refitting method for stilling pool downstream energy dissipater |
| CN206503125U (en) * | 2016-12-30 | 2017-09-19 | 史超群 | A kind of Novel water conservancy project energy dissipater structure |
| CN206800345U (en) * | 2017-05-23 | 2017-12-26 | 国电大渡河沙坪水电建设有限公司 | A kind of sluice dissipation and scouring structure |
| CN209907339U (en) * | 2019-01-14 | 2020-01-07 | 昆明理工大学 | Multistage abrupt slope energy absorber |
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Inventor after: Zhou Jin Inventor after: Zhao Lingling Inventor after: Xu Fei Inventor after: Zhou Jie Inventor after: Zhong Yu Inventor after: Zhang Ke Inventor before: Zhao Lingling Inventor before: Xu Fei Inventor before: Zhou Jin Inventor before: Zhou Jie Inventor before: Zhong Yu Inventor before: Zhang Ke |
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Application publication date: 20200825 |