CN210288301U - Dam body flood discharge structure suitable for severe cold high earthquake area - Google Patents
Dam body flood discharge structure suitable for severe cold high earthquake area Download PDFInfo
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- CN210288301U CN210288301U CN201920546346.XU CN201920546346U CN210288301U CN 210288301 U CN210288301 U CN 210288301U CN 201920546346 U CN201920546346 U CN 201920546346U CN 210288301 U CN210288301 U CN 210288301U
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- flood discharge
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Abstract
The utility model provides a dam body flood discharge structure suitable for severe cold high earthquake area, the structure includes flood discharge hole, flood discharge hole work gate, flood discharge hole accident gate and work gate cavity, the work gate cavity sets up inside the dam body, the work gate cavity with the flood discharge hole communicates mutually, the work gate cavity is used for placing flood discharge hole work gate, flood discharge hole work gate and flood discharge hole accident gate all set up inside the dam body. The radial working gate of the flood discharge hole is arranged in the dam body, so that the stability of the ambient temperature around the working gate can be effectively maintained, the adverse effect of low temperature in a severe cold area on the working gate structure, water seal and other members is avoided, and the service lives of the working gate and the members are prolonged. The design scheme can also effectively avoid the influence and damage of collapsed rock falling and weathering spalling on the working gate, which are usually generated by high and steep rock slopes with the height of hundreds of meters or even hundreds of meters on two sides of the dam site, and particularly the damage of the collapsed rock flying under the action of an earthquake.
Description
Technical Field
The utility model relates to a flood discharge field especially relates to a dam body flood discharge structure suitable for severe cold high earthquake area.
Background
For the dam construction in the high and cold and high earthquake areas, high and steep rock slopes with the height of hundreds of meters or even hundreds of meters are usually arranged on two sides of a dam site, collapse and falling rocks and weathering spalling are easy to generate, collapse is easy to generate under the action of an earthquake, great potential safety hazards exist on the dam crest structure in the operation period, and the dam is particularly used as an important working gate of a flood discharge building. And the high and cold area is in a low-temperature state for a long time in winter, and has great adverse effect on members such as a working gate structure, a water seal and the like. And the conventional arrangement scheme considers factors such as convenient maintenance and the like, and is generally arranged outside the dam body.
According to geological topography and air temperature climate conditions of alpine and high earthquake regions, how to reduce or even avoid the influence of the geological topography and the air temperature climate conditions on the flood discharge building working gate is an important technology in engineering design.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dam body flood discharge structure suitable for severe cold high earthquake area arranges the radial work gate in flood discharge hole in the dam body, wraps up the radial work gate through dam body concrete, and is isolated with outside environment, plays better guard action to the radial work gate. The utility model adopts the following technical scheme.
The utility model provides a dam body flood discharge structure suitable for severe cold high earthquake area, the structure includes flood discharge hole, flood discharge hole work gate, flood discharge hole accident gate and work gate cavity, the work gate cavity sets up inside the dam body, the work gate cavity with the flood discharge hole communicates mutually, the work gate cavity is used for placing flood discharge hole work gate, flood discharge hole work gate and flood discharge hole accident gate all set up inside the dam body.
Preferably, the flood discharge hole working gate is arc-shaped.
Preferably, the size of the working gate cavity is larger than the size of the floodhole working gate.
Preferably, the working gate cavity is disposed above the flood hole.
Preferably, one end of the flood discharge hole working gate is rotatably fixed in the cavity of the working gate.
Preferably, the structure further comprises an opening and closing device, and the opening and closing device is used for opening and closing the flood discharge hole working gate.
Preferably, the opening and closing device is arranged in the cavity of the working gate.
The utility model has the advantages that:
1. the radial working gate of the flood discharge hole is arranged in the dam body, so that the stability of the ambient temperature around the working gate can be effectively maintained, the adverse effect of low temperature in a severe cold area on the working gate structure, water seal and other members is avoided, and the service lives of the working gate and the members are prolonged.
2. The design scheme can also effectively avoid the influence and damage of collapsed rock falling and weathering spalling on the working gate, which are usually generated by high and steep rock slopes with the height of hundreds of meters or even hundreds of meters on two sides of the dam site, and particularly the damage of the collapsed rock flying under the action of an earthquake.
Drawings
Fig. 1 is a schematic cross-sectional view of the flood discharge structure of the dam body of the present invention.
Description of reference numerals: 1. a dam body; 2. a flood discharge hole working gate; 3. a working gate cavity; 4. a flood discharge hole; 5. flood discharge hole accident gate.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, 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 and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, a dam body flood discharge structure suitable for severe cold high earthquake area, including flood discharge hole 4, flood discharge hole work gate 2, flood discharge hole accident gate 5 and work gate cavity 3, the work gate cavity sets up in dam body 1 inside, work gate cavity and flood discharge hole intercommunication, work gate cavity is used for placing flood discharge hole work gate, and flood discharge hole work gate and flood discharge hole accident gate all set up inside the dam body. The flood discharge hole working gate is in an arc shape, is a gate which bears main work and can be opened and closed in moving water, the size of the cavity of the working gate is larger than that of the flood discharge hole working gate, the flood discharge hole working gate is placed when the cavity of the working gate is used for opening and closing the flood discharge hole working gate, and the cavity of the working gate is arranged above the flood discharge hole. One end of the flood discharge hole working gate is rotatably fixed in the working gate cavity, and the flood discharge hole working gate can rotate in a space formed by the working gate cavity and the flood discharge hole. The flood discharge structure further comprises an opening and closing device, the opening and closing device is used for opening and closing the flood discharge hole working gate, and the opening and closing device can be arranged in a cavity of the working gate. The spillway emergency gate 5 is a gate that can close in flowing water when an accident occurs downstream, and is disposed upstream of the spillway work gate 2.
And calculating the size, the bottom elevation and the number of the flood discharge holes according to the requirements of upstream and downstream water levels and the discharge capacity. And arranging the arc-shaped working gate according to the elevation of the hole bottom, the size of the hole opening and the curve of the weir surface. And determining the specific size of the dam body cavity for accommodating the radial working gate according to the size and the opening and closing space requirements of the radial working gate and the distance of the dam crest.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not illustrated herein.
Claims (7)
1. The utility model provides a dam body flood discharge structure suitable for severe cold high earthquake area, the structure includes flood discharge hole, flood discharge hole work gate, flood discharge hole accident gate and work gate cavity, a serial communication port, the work gate cavity sets up inside the dam body, the work gate cavity with the flood discharge hole communicates, the work gate cavity is used for placing flood discharge hole work gate, flood discharge hole work gate and flood discharge hole accident gate all set up inside the dam body.
2. The dam body flood discharge structure suitable for severe cold and high earthquake areas as claimed in claim 1, wherein said flood discharge hole working gate is arc-shaped.
3. The dam body flood discharge structure suitable for use in high and cold earthquake areas, according to claim 1, wherein the size of the working gate cavity is larger than the size of the flood discharge hole working gate.
4. The dam body flood discharge structure suitable for use in high and cold earthquake areas, according to claim 1, wherein said working gate cavity is disposed above said flood discharge hole.
5. The dam body flood discharge structure suitable for severe cold and high earthquake areas as claimed in claim 1, wherein one end of said flood discharge hole working gate is rotatably fixed in said working gate cavity.
6. The dam body flood discharge structure suitable for severe cold and high earthquake areas as claimed in claim 1, wherein said structure further comprises an opening and closing device for opening and closing said flood discharge hole working gate.
7. The dam body flood discharge structure suitable for severe cold and earthquake areas as claimed in claim 6, wherein said opening and closing device is arranged in the cavity of said working gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546346.XU CN210288301U (en) | 2019-04-22 | 2019-04-22 | Dam body flood discharge structure suitable for severe cold high earthquake area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546346.XU CN210288301U (en) | 2019-04-22 | 2019-04-22 | Dam body flood discharge structure suitable for severe cold high earthquake area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210288301U true CN210288301U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920546346.XU Active CN210288301U (en) | 2019-04-22 | 2019-04-22 | Dam body flood discharge structure suitable for severe cold high earthquake area |
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| CN (1) | CN210288301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753323A (en) * | 2022-05-05 | 2022-07-15 | 中国长江三峡集团有限公司 | Flood discharge gate and flood discharge system |
-
2019
- 2019-04-22 CN CN201920546346.XU patent/CN210288301U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753323A (en) * | 2022-05-05 | 2022-07-15 | 中国长江三峡集团有限公司 | Flood discharge gate and flood discharge system |
| CN114753323B (en) * | 2022-05-05 | 2023-05-16 | 中国长江三峡集团有限公司 | Flood discharge gate and flood discharge system |
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