CN204174589U - Be provided with the cushion pool on two dams, road - Google Patents
Be provided with the cushion pool on two dams, road Download PDFInfo
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- CN204174589U CN204174589U CN201420640305.4U CN201420640305U CN204174589U CN 204174589 U CN204174589 U CN 204174589U CN 201420640305 U CN201420640305 U CN 201420640305U CN 204174589 U CN204174589 U CN 204174589U
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Abstract
The utility model discloses a kind of cushion pool, especially disclose a kind of cushion pool being provided with two dams, road, belong to the special design and manufacturing technology field of hydraulic architecture.There is provided a kind of to have overhauled at cushion pool, the cushion pool being provided with two dams, road of initial water cushion can be formed fast.Described cushion pool comprises two dam, road bodies, cushion pool body and tail water conveying river course, described cushion pool body is positioned at the upstream side of described two dam, road bodies, described tail water conveying river course is positioned at the downstream of two described dam, road bodies, described cushion pool also comprises the anti-water-filling structure extended along water (flow) direction be arranged on described two dam, road bodies, is trapped in the tail water in described tail water conveying river course when the input of described anti-water-filling structure is arranged in maintenance; Described cushion pool body after having overhauled, by described anti-water-filling structure, the tail water be trapped in described tail water conveying river course, forms initial energy dissipating water cushion in the cushion pool body automatically described in input.
Description
Technical field
The utility model relates to a kind of cushion pool, especially relates to a kind of cushion pool being provided with two dams, road, belongs to the special design and manufacturing technology field of hydraulic architecture.
Background technology
Along with country is to the demand of the clean energy resourcies such as water power, facilitate the construction of Hydraulic and Hydro-Power Engineering, and going deep into further along with water resources and hydropower construction, there is a large amount of dash high dams.In the running of Hydraulic and Hydro-Power Engineering, during in order to reduce dash high dam dam body aperture as table hole, mesopore, deep hole flood discharge, release floodwatering flow, to the scour of dam site and two sides, has built the cushion pool structure for flood-discharge energy-dissipating behind dam accordingly.
In order to ensure that the long-term safety of hydraulic engineering uses, often use all to need after a period of time to cushion pool carry out emptying, detect and maintenance construction.The emptying repair time section of cushion pool generally all can only be placed on the March in December to the coming year of 1 year, i.e. to the flood of Second Year about about four months, flood end of First Year, and according to the carrying out practically demand of power station generating, this time also likely shortens.
Cushion pool is when emptying maintenance, the flood discharge of dam body aperture need be stopped, first adopt suction pump the ponding in cushion pool and water cushion to be entered two dam, road downstream river courses, according to the size of cushion pool volume, generally at least need 8 suction pump continuous operations within 20 ~ 30 days, ponding could be taken out to the greatest extent; Then comprise Er Daoba to cushion pool to check, repair the place of breakage, this engineering in general needs 2 ~ 3 months, and the complexity depending on reinstatement works determines the final time needed, may be also longer; Finally, after cushion pool has overhauled containing two dams, road, need again to adopt suction pump from downstream river course to water-filling in cushion pool, to form the initial water cushion of design thickness, this water filling process, according to the size of cushion pool volume, probably also needs 8 suction pump continuous operations 20 ~ 30 days.
Because the filling time is longer, if the initial water cushion of design thickness can not be formed rapidly in cushion pool, or cushion pool is caused not possess the ability again put into operation rapidly, if used by force, the destruction of cushion pool can be caused again, thus bring uncertain risk to the flood discharge of dam.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of and overhauled at cushion pool, can form the cushion pool being provided with two dams, road of initial water cushion fast.
For solving the problems of the technologies described above adopted technical scheme be: a kind of cushion pool being provided with two dams, road, comprise two dam, road bodies, cushion pool body and tail water conveying river course, described cushion pool body is positioned at the upstream side of described two dam, road bodies, described tail water conveying river course is positioned at the downstream of two described dam, road bodies, described cushion pool also comprises the anti-water-filling structure extended along water (flow) direction be arranged on described two dam, road bodies, is trapped in the tail water in described tail water conveying river course when the input of described anti-water-filling structure is arranged in maintenance; Described cushion pool body after having overhauled, by described anti-water-filling structure, the tail water be trapped in described tail water conveying river course, forms initial energy dissipating water cushion in the cushion pool body automatically described in input.
The beneficial effects of the utility model are: owing to being provided with the anti-water-filling structure extended along water (flow) direction on two described dam, road bodies, and when making the input of described anti-water-filling structure be arranged in maintenance, be trapped in the tail water in described tail water conveying river course, when carrying out anti-water-filling to the cushion pool body after having overhauled, by the tail water that this anti-water-filling structure will be trapped in described tail water conveying river course, in the cushion pool body automatically described in input, form initial energy dissipating water cushion.Like this, both saved the cost of anti-water-filling, the potential energy that can make full use of again the tail water be trapped in tail water conveying river course realizes anti-water-filling work fast, thus a large amount of structures anti-filling time, reach the object ensureing dam safety flood discharge.
Further, described anti-water-filling structure is the water-filling groove being arranged on described two dam, road body upper part along water (flow) direction, the elevation at least 0.2m lower than the water level of the tail water be trapped in during maintenance in described tail water conveying river course of described water-filling groove bottom land.
Further, the both sides cell wall of described water-filling groove is also respectively arranged with mutually adaptive draw-in groove, the described water-filling groove in maintenance process is closed by the watertight shutter be connected in described draw-in groove.
The preferred embodiment of such scheme is, the elevation 1m lower than the water level of the tail water in described tail water conveying river course of described water-filling groove bottom land.
Further, described anti-water-filling structure is the built-in pipe being arranged on described two body middle and lower parts, dam, road along water (flow) direction, the Installation Elevation at least 0.2m lower than the water level of the tail water be trapped in during maintenance in described tail water conveying river course of described built-in pipe.
Further, described built-in pipe is furnished with stop valve, the described built-in pipe in maintenance process is by described stop valve sealing.
The preferred embodiment of such scheme is, the Installation Elevation 1m lower than the water level of the tail water in described tail water conveying river course of described built-in pipe.
Accompanying drawing explanation
Fig. 1 is the layout plan that the utility model is provided with the cushion pool on two dams, road;
Fig. 2 is the A-A sectional view of Fig. 1;
The schematic diagram of Fig. 3 to be the B-B sectional view of Fig. 1 be also anti-water-filling structure of another kind that the application relates to;
Fig. 4 is the A portion detail drawing of Fig. 1.
Be labeled as in figure: the conveying of two dam, road bodies 1, cushion pool body 2, tail water river course 3, anti-water-filling structure 4, water-filling groove 5, draw-in groove 6, built-in pipe 7, stop valve 8.
Detailed description of the invention
Be that the one that the utility model provides has been overhauled at cushion pool as shown in Figure 1 to 4, the cushion pool being provided with two dams, road of initial water cushion can be formed fast.Described cushion pool comprises two dam, road bodies 1, cushion pool body 2 and tail water conveying river course 3, described cushion pool body 2 is positioned at the upstream side of described two dam, road bodies 1, described tail water conveying river course 3 is positioned at the downstream of two described dam, road bodies 1, described cushion pool also comprises the anti-water-filling structure 4 extended along water (flow) direction be arranged on described two dam, road bodies 1, is trapped in the tail water in described tail water conveying river course 3 when the input of described anti-water-filling structure 4 is arranged in maintenance; Described cushion pool body 2 after having overhauled, by described anti-water-filling structure 4, the tail water be trapped in described tail water conveying river course 3, forms initial energy dissipating water cushion in the cushion pool body 2 automatically described in input.Owing to being provided with the anti-water-filling structure 4 extended along water (flow) direction on two described dam, road bodies 2, and when making the input of described anti-water-filling structure 4 be arranged in maintenance, be trapped in the tail water in described tail water conveying river course 3, when carrying out anti-water-filling to the cushion pool body 2 after having overhauled, by the tail water that this anti-water-filling structure 4 will be trapped in described tail water conveying river course 3, in the cushion pool body 2 automatically described in input, form initial energy dissipating water cushion.Like this, both saved the cost of anti-water-filling, the potential energy that can make full use of again the tail water be trapped in tail water conveying river course 3 realizes anti-water-filling work fast, thus a large amount of structures anti-filling time, reach the object ensureing dam safety flood discharge.
In conjunction with the feature of hydraulic structure, and the situation of production scene, conveniently above-mentioned anti-water-filling structure 4 can be constructed with cushion pool body 2 simultaneously, to save production cost, described anti-water-filling structure 4 can adopt the structure of the water-filling groove 5 being arranged on described two body 1 tops, dam, road along water (flow) direction, and makes the low at least 0.2m of water level being trapped in the tail water in described tail water conveying river course 3 during the maintenance of the elevation of described water-filling groove 5 bottom land ratio; Also the structure of the built-in pipe 7 being arranged on described two body 1 middle and lower parts, dam, road along water (flow) direction can be adopted, now, the Installation Elevation at least 0.2m lower than the water level of the tail water be trapped in during maintenance in described tail water conveying river course 3 of described built-in pipe 7.No matter be adopt the anti-water-filling structure 4 of which kind of type all can to construct with described cushion pool body 2 simultaneously.And the use of conveniently filling afterwards, when described anti-water-filling structure 4 adopts water-filling groove 5 structure, mutually adaptive draw-in groove 6 can be set respectively on the both sides cell wall of described water-filling groove 5, like this, the described water-filling groove 5 in maintenance process just can be closed by the watertight shutter be connected in described draw-in groove 6; When described anti-water-filling structure 4 adopts built-in pipe 7 structure, can arrange stop valve 8 on described built-in pipe 7, like this, the described built-in pipe 7 in maintenance process just by described stop valve 8 sealing, can reach the object facilitating postorder to use.
And in order to improve anti-water-filling ability, the elevation of described water-filling groove 5 bottom land is preferably 1m lower than the water level of the tail water in described tail water conveying river course 3, if adopt built-in pipe 7 structure time, the Installation Elevation of described built-in pipe 7 is preferably the water level also low 1m than the tail water in described tail water conveying river course 3.Like this, the ability of anti-water-filling can just be improved.
Claims (7)
1. one kind is provided with the cushion pool on two dams, road, comprise two dams, road body (1), cushion pool body (2) and tail water conveying river course (3), described cushion pool body (2) is positioned at the upstream side on described two dams, road body (1), described tail water conveying river course (3) is positioned at the downstream on two described dams, road body (1), it is characterized in that: described cushion pool also comprises the anti-water-filling structure (4) extended along water (flow) direction be arranged on described two dams, road body (1), the input of described anti-water-filling structure (4) is trapped in the tail water of described tail water conveying river course (3) when being arranged in maintenance, described cushion pool body (2) after having overhauled, by described anti-water-filling structure (4), the tail water be trapped in described tail water conveying river course (3), in the cushion pool body (2) automatically described in input, form initial energy dissipating water cushion.
2. the cushion pool being provided with two dams, road according to claim 1, it is characterized in that: described anti-water-filling structure (4) is the water-filling groove (5) being arranged on described two body (1) tops, dam, road along water (flow) direction, the elevation at least 0.2m lower than the water level being trapped in the tail water in described tail water conveying river course (3) during maintenance of described water-filling groove (5) bottom land.
3. the cushion pool being provided with two dams, road according to claim 2, it is characterized in that: on the both sides cell wall of described water-filling groove (5), be also respectively arranged with mutually adaptive draw-in groove (6), the described water-filling groove (5) in maintenance process is closed by the watertight shutter be connected in described draw-in groove (6).
4. the cushion pool being provided with two dams, road according to Claims 2 or 3, is characterized in that: the elevation 1m lower than the water level of the tail water in described tail water conveying river course (3) of described water-filling groove (5) bottom land.
5. the cushion pool being provided with two dams, road according to claim 1, it is characterized in that: described anti-water-filling (4) structure is the built-in pipe (7) being arranged on described two body (1) middle and lower parts, dam, road along water (flow) direction, the Installation Elevation at least 0.2m lower than the water level being trapped in the tail water in described tail water conveying river course (3) during maintenance of described built-in pipe (7).
6. the cushion pool being provided with two dams, road according to claim 5, it is characterized in that: on described built-in pipe (7), be furnished with stop valve (8), the described built-in pipe (7) in maintenance process is by described stop valve (8) sealing.
7. the cushion pool being provided with two dams, road according to claim 5 or 6, is characterized in that: the Installation Elevation 1m lower than the water level of the tail water in described tail water conveying river course (3) of described built-in pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640305.4U CN204174589U (en) | 2014-10-30 | 2014-10-30 | Be provided with the cushion pool on two dams, road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640305.4U CN204174589U (en) | 2014-10-30 | 2014-10-30 | Be provided with the cushion pool on two dams, road |
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| Publication Number | Publication Date |
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| CN204174589U true CN204174589U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420640305.4U Active CN204174589U (en) | 2014-10-30 | 2014-10-30 | Be provided with the cushion pool on two dams, road |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560509A (en) * | 2018-05-25 | 2018-09-21 | 中国电建集团成都勘测设计研究院有限公司 | Anti- two dam of arc voltage shelving |
-
2014
- 2014-10-30 CN CN201420640305.4U patent/CN204174589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560509A (en) * | 2018-05-25 | 2018-09-21 | 中国电建集团成都勘测设计研究院有限公司 | Anti- two dam of arc voltage shelving |
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