CN217710605U - Reservoir small watershed water conservancy diversion construction structures that dams - Google Patents
Reservoir small watershed water conservancy diversion construction structures that dams Download PDFInfo
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- CN217710605U CN217710605U CN202221886916.8U CN202221886916U CN217710605U CN 217710605 U CN217710605 U CN 217710605U CN 202221886916 U CN202221886916 U CN 202221886916U CN 217710605 U CN217710605 U CN 217710605U
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- conservancy diversion
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a little basin water conservancy diversion of reservoir dams construction structures, include the water conservancy diversion hole that is linked together with the water conservancy diversion hole and two gate piers that set up in water conservancy diversion hole water inlet department, water conservancy diversion hole water inlet department still is provided with the breakwater wall, installs a plurality of drainage tubes on the breakwater wall, and it is downthehole that the drainage tube extends to the water conservancy diversion, and the drainage tube is by the orientation that is close to the breakwater to the orientation downward sloping gradually that is close to the water conservancy diversion hole, and the below of drainage tube is provided with the plugging device who is used for preventing that the downthehole water of water conservancy diversion from taking place to flow backwards. The utility model has the advantages of reasonable design, water inlet department through at the water conservancy diversion hole sets up the breakwater wall to connect the drainage tube on the breakwater wall, can be through the drainage tube with the water drainage at reservoir area to the water conservancy diversion at gate pier rear downthehole, and then the water conservancy diversion can reach the dam cofferdam and dammed in to the water conservancy diversion hole, solved the problem that the dam foundation ditch was excavated in advance again, also can not influence the construction of the downthehole metal construction of water conservancy diversion and second stage concrete simultaneously, make the dam foundation ditch excavation be under construction in advance and go on.
Description
Technical Field
The utility model belongs to the technical field of the construction of reservoir water conservancy diversion closure, concretely relates to construction structures is dammed in reservoir small watershed water conservancy diversion.
Background
When the dam foundation pit is excavated, a cofferdam needs to be arranged firstly for dam closure, so that when the dam foundation pit is excavated, water in a reservoir area under the pumped storage power station is guided and drained through the diversion tunnel, and before the water is guided and drained through the diversion tunnel, a drainage tower needs to be constructed at a water inlet of the diversion tunnel. And before the metal structure in the diversion hole and the secondary concrete are not constructed, diversion cannot be carried out. However, if the amount of rainwater increases in flood season, large-area water accumulation is formed in a reservoir area, and the construction of a dam foundation pit is restricted; if the metal structure and the second-stage concrete in the diversion hole directly pass through water before being constructed, the installation of the metal structure in the later-stage diversion hole and the second-stage concrete construction can be influenced, and the installation of a gate is restricted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem lie in not enough among the above-mentioned prior art, a reservoir small watershed water conservancy diversion construction structures that dams is provided, its structural design is reasonable, water inlet department through at the water conservancy diversion hole sets up the breakwater wall, and connect the drainage tube on the breakwater wall, can be downthehole with the water drainage of reservoir district to the water conservancy diversion at gate pier rear through the drainage tube, and then the water conservancy diversion is to the diversion tunnel in, can enough realize that the dam cofferdam dams, the problem of the excavation of dam foundation ditch in advance has been solved again, the construction of metal structure and second phase concrete in the water conservancy diversion hole also can not be influenced simultaneously, it goes on to make dam foundation ditch excavation be under construction in advance.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a construction structures is dams to reservoir small watershed water conservancy diversion, is including setting up the drainage tower in diversion tunnel the place ahead, the drainage tower include with the diversion hole that the diversion tunnel is linked together and two settings are at the gate pier of diversion hole water inlet department and supply the gate installation, its characterized in that: the utility model discloses a water conservancy diversion hole, including water conservancy diversion hole inlet port, water conservancy diversion hole inlet port department still is provided with the breakwater, the breakwater is located two between the gate pier, install a plurality of drainage tubes on the breakwater, it has a plurality of drainage tube mounting holes that supply the drainage tube installation to reserve on the breakwater, the one end of drainage tube is installed in the drainage tube mounting hole, the other end of drainage tube extends to in the diversion hole, the drainage tube is by the orientation that is close to the breakwater to the orientation downward sloping gradually that is close to the diversion tunnel, the other end of drainage tube is located the rear of gate pier, the position department that the below of drainage tube is close to the drainage tube other end is provided with the plugging device who is used for preventing that the downthehole water of water conservancy diversion from taking place the refluence.
The small watershed diversion closure construction structure of the reservoir is characterized in that: the water retaining wall is built on the base of the bottom plate of the flow guide hole, and two ends of the water retaining wall are respectively attached to the inner sides of the two gate piers.
The small watershed diversion closure construction structure of the reservoir is characterized in that: the front side of the gate pier and the front side of the water retaining wall are flush with the front side of the bottom plate foundation.
Foretell construction structure that dams is cuted up in little basin water conservancy diversion of reservoir, its characterized in that: the gate pier is a concrete gate pier, the bottom plate foundation is a concrete foundation, and the gate pier and the bottom plate foundation are poured into a whole.
The small watershed diversion closure construction structure of the reservoir is characterized in that: the inboard of gate pier and the upper surface of bottom plate basis all are provided with the gate mounting groove, the rear side of breakwater is parallel and level with the front side wall of gate mounting groove.
Foretell construction structure that dams is cuted up in little basin water conservancy diversion of reservoir, its characterized in that: the drainage tubes are corrugated tubes and the number of the drainage tubes is three.
The small watershed diversion closure construction structure of the reservoir is characterized in that: the drainage tube mounting hole is communicated with the inner side and the outer side of the water retaining wall.
The small watershed diversion closure construction structure of the reservoir is characterized in that: the plugging device is a plurality of plugging sandbags arranged on the base plate, and two ends of the plugging device are respectively attached to the hole walls of two sides of the flow guide hole.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a water inlet department in the water conservancy diversion hole sets up the breakwater, can carry out interim shutoff to the water inlet in water conservancy diversion hole through the breakwater, and it is downthehole to avoid the water of reservoir area to get into the water conservancy diversion, influences the construction of the downthehole metal structure of water conservancy diversion.
2. The utility model discloses an install a plurality of drainage tubes on the manger plate wall to in drainage tube with the water drainage at reservoir area to the water conservancy diversion at gate pier rear, and then the water conservancy diversion to the water conservancy diversion hole in, can enough realize the dam cofferdam and damming, solved the problem that the dam foundation ditch excavated in advance again, can not influence the construction of the downthehole metal structure of water conservancy diversion and second phase concrete simultaneously yet, make the dam foundation ditch excavation carry out of being under construction in advance.
3. The utility model discloses a position department that is close to the drainage tube other end in the below of drainage tube sets up plugging device, can prevent to get into the downthehole water of water conservancy diversion through the drainage tube and take place the refluence, and then guarantees the normal construction of downthehole metal structure of water conservancy diversion and second stage concrete.
To sum up, the utility model has the advantages of reasonable design, water inlet department through at the water conservancy diversion hole sets up the breakwater to connect the drainage tube on the breakwater, can be downthehole through the drainage tube with the water drainage of reservoir area to the water conservancy diversion at gate pier rear, and then the water conservancy diversion is to the water conservancy diversion hole in, can enough realize the dam cofferdam and damming, solved the problem that the dam foundation ditch was excavated in advance again, also can not influence the construction of the downthehole metal structure of water conservancy diversion and second stage concrete simultaneously, make the dam foundation ditch excavation carry out of being under construction in advance.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a top view of fig. 1.
Description of reference numerals:
1-diversion hole; 1-a floor foundation; 2, gate pier;
3-metal structure; 4, a water retaining wall; 5, a drainage tube;
6-plugging device; 7-gate installation groove.
Detailed Description
As shown in fig. 1 to 3, the utility model discloses a set up the bleed tower in diversion tunnel the place ahead, the bleed tower include with diversion hole 1 and two settings that the diversion tunnel is linked together just supply gate pier 2 of gate installation, its characterized in that in diversion hole 1 water inlet department: the water inlet of diversion hole 1 still is provided with breakwater 4, breakwater 4 is located two between the gate pier 2, install a plurality of drainage tubes 5 on breakwater 4, it has a plurality of drainage tube mounting holes that supply drainage tube 5 to install to reserve on breakwater 4, install in the drainage tube mounting hole drainage tube 5's one end, drainage tube 5's the other end extends to in diversion hole 1, drainage tube 5 is by the orientation that is close to breakwater 4 to the orientation downward sloping gradually that is close to the diversion hole, drainage tube 5's the other end is located the rear of gate pier 2, drainage tube 5's below is close to the position department of the drainage tube 5 other end and is provided with the plugging device 6 that is used for preventing that the downthehole water of diversion takes place the refluence.
During the in-service use, set up breakwater 4 through the water inlet department at water conservancy diversion hole 1, can carry out interim shutoff through breakwater 4 to the water inlet of water conservancy diversion hole 1, avoid the water of reservoir area to get into in the water conservancy diversion hole 1, influence the construction of downthehole metal structure of water conservancy diversion.
It should be noted that, by installing the plurality of drainage tubes 5 on the retaining wall 4, and draining the water in the reservoir area into the diversion hole behind the gate pier 2 through the drainage tubes 5, and further leading the water into the diversion tunnel, the dam cofferdam closure can be realized, the problem of the advance excavation of the dam foundation pit is solved, and meanwhile, the construction of the metal structure and the second-stage concrete in the diversion hole 1 cannot be influenced, so that the advance construction of the dam foundation pit excavation is carried out.
During specific implementation, the plugging device 6 is arranged at a position, close to the other end of the drainage tube 5, below the drainage tube 5, so that water entering the diversion hole 1 through the drainage tube 5 can be prevented from flowing backwards, and normal construction of a metal structure and second-stage concrete in the diversion hole 1 is guaranteed.
In specific implementation, the water retaining wall 4 is built by concrete hollow bricks with the thickness of 200 mm-400 mm, a concrete protective layer with the thickness of 20mm is arranged on the side face of the water retaining wall 4, the distance between the uppermost end of the drainage tube 5 and the top of the water retaining wall 4 is 50cm, the height of a wall body below a drainage tube mounting hole on the water retaining wall 4 is 1.2m, the thickness of the water retaining wall 4 is 50cm, the drainage tubes 5 are arranged at equal intervals along the extending direction of the water retaining wall 4, the diameter of each drainage tube 5 is 60cm, the length of each drainage tube 5 is 50cm, and the interval between every two adjacent drainage tubes 5 is 6m.
In the embodiment, the water retaining wall 4 is built on the bottom plate foundation 1-1 of the flow guide hole 1, and two ends of the water retaining wall 4 are respectively attached to the inner sides of the two gate piers 2.
In this embodiment, the front side of the gate pier 2 and the front side of the water retaining wall 4 are flush with the front side of the floor foundation 1-1.
In this embodiment, the gate pier 2 is a concrete gate pier, the bottom plate foundation 1-1 is a concrete foundation, and the gate pier 2 and the bottom plate foundation 1-1 are cast into a whole.
In this embodiment, the inner side of the gate pier 2 and the upper surface of the bottom foundation 1-1 are both provided with a gate installation groove 7, and the rear side of the retaining wall 4 is flush with the front side wall of the gate installation groove 7.
In actual use, the two gate installation grooves 7 on the gate pier 2 and the gate installation groove 7 on the bottom plate foundation 1-1 are combined together to form a U-shaped installation groove, and a gate can be clamped into the U-shaped installation groove.
It should be noted that two sides of the gate installation groove 7 on the gate pier 2 are respectively provided with one metal structure 3, so that the gate is clamped between the two vertical metal structures 3, the middle part of the gate installation groove 7 on the bottom plate foundation 1-1 is provided with one transverse metal structure, the bottom of the gate falls on the upper part of the transverse metal structure, and second-stage concrete plugging is constructed between the transverse metal structure and the two side groove walls of the gate installation groove 7.
In this embodiment, the draft tubes 5 are corrugated tubes and the number thereof is three.
In this embodiment, the drainage tube mounting hole is communicated with the inner side and the outer side of the water retaining wall 4.
In this embodiment, the plugging device 6 is a plurality of plugging sandbags arranged on the bottom plate foundation 1-1, and two ends of the plugging device 6 are respectively attached to the hole walls on two sides of the diversion hole 1.
The utility model discloses during the in-service use, at first in the low reaches of diversion tunnel, and set up the cofferdam in the upper reaches of dam foundation ditch position, and pre-buried honeycomb duct in the cofferdam, with water drainage to low reaches in reservoir area, the construction drainage tower, and set gradually breakwater 4, drainage tube 5 and plugging device 6, then carry out the shutoff to the pre-buried honeycomb duct in the cofferdam, adopt drainage tube 5 and diversion hole 1 with the water drainage of reservoir area to the diversion tunnel in, carry out the construction of metal structure and second phase concrete in diversion hole 1, meanwhile, can carry out the excavation of dam foundation ditch in step.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (8)
1. The utility model provides a construction structures is dams to reservoir small watershed water conservancy diversion, including setting up the drainage tower in diversion tunnel the place ahead, the drainage tower include with diversion hole (1) that the diversion tunnel is linked together and two settings are at diversion hole (1) water inlet department and supply gate pier (2) of gate installation, its characterized in that: water conservancy diversion hole (1) water inlet department still is provided with breakwater (4), breakwater (4) are located two between gate pier (2), install a plurality of drainage tubes (5) on breakwater (4), it has a plurality of drainage tube mounting holes that supply drainage tube (5) to install to reserve on breakwater (4), the one end of drainage tube (5) is installed in the drainage tube mounting hole, the other end of drainage tube (5) extends to in water conservancy diversion hole (1), drainage tube (5) is by the orientation that is close to breakwater (4) to the orientation downward sloping gradually that is close to the water conservancy diversion hole, the other end of drainage tube (5) is located the rear of gate pier (2), the position department that the below of drainage tube (5) is close to the drainage tube (5) other end is provided with plugging device (6) that are used for preventing water conservancy diversion hole (1) water-logging from taking place the refluence.
2. The diversion closure construction structure for the small watershed of the reservoir according to claim 1, wherein: the water retaining wall (4) is built on the bottom plate foundation (1-1) of the diversion hole (1), and two ends of the water retaining wall (4) are respectively attached to the inner sides of the two gate piers (2).
3. The diversion closure construction structure for the small watershed of the reservoir according to claim 2, wherein: the front side of the gate pier (2) and the front side of the water retaining wall (4) are flush with the front side of the bottom plate foundation (1-1).
4. The diversion closure construction structure for the small watershed of the reservoir according to claim 2, wherein: the gate pier (2) is a concrete gate pier, the bottom plate foundation (1-1) is a concrete foundation, and the gate pier (2) and the bottom plate foundation (1-1) are poured into a whole.
5. The diversion and closure construction structure for the small watershed of the reservoir according to claim 1, characterized in that: the gate pier is characterized in that the inner side of the gate pier (2) and the upper surface of the bottom plate foundation (1-1) are respectively provided with a gate installation groove (7), and the rear side of the water retaining wall (4) is flush with the front side groove wall of the gate installation groove (7).
6. The diversion closure construction structure for the small watershed of the reservoir according to claim 1, wherein: the drainage tubes (5) are corrugated tubes and the number of the drainage tubes is three.
7. The diversion and closure construction structure for the small watershed of the reservoir according to claim 1, characterized in that: the drainage tube mounting hole is communicated with the inner side and the outer side of the water retaining wall (4).
8. The diversion closure construction structure for the small watershed of the reservoir according to claim 1, wherein: the plugging device (6) is a plurality of plugging sandbags arranged on the bottom plate foundation (1-1), and two ends of the plugging device (6) are respectively attached to the hole walls of the two sides of the flow guide hole (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221886916.8U CN217710605U (en) | 2022-07-20 | 2022-07-20 | Reservoir small watershed water conservancy diversion construction structures that dams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221886916.8U CN217710605U (en) | 2022-07-20 | 2022-07-20 | Reservoir small watershed water conservancy diversion construction structures that dams |
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| Publication Number | Publication Date |
|---|---|
| CN217710605U true CN217710605U (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221886916.8U Active CN217710605U (en) | 2022-07-20 | 2022-07-20 | Reservoir small watershed water conservancy diversion construction structures that dams |
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| CN (1) | CN217710605U (en) |
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- 2022-07-20 CN CN202221886916.8U patent/CN217710605U/en active Active
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