CN203729280U - Water retaining structure of lower sluice gate for blocking lower water head flow-guiding hole - Google Patents
Water retaining structure of lower sluice gate for blocking lower water head flow-guiding hole Download PDFInfo
- Publication number
- CN203729280U CN203729280U CN201420092694.1U CN201420092694U CN203729280U CN 203729280 U CN203729280 U CN 203729280U CN 201420092694 U CN201420092694 U CN 201420092694U CN 203729280 U CN203729280 U CN 203729280U
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- CN
- China
- Prior art keywords
- gate
- retaining structure
- stoplog
- water
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 230000000903 blocking effect Effects 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 3
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 17
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a water retaining structure of a lower sluice gate for blocking a lower water head flow-guiding hole. The water retaining structure comprises a gate chamber (2) on the flow-guiding hole, wherein a stop log gate (1) serves as the water retaining structure and is formed by stacking prefabricated reinforced concrete stop logs; a reserved door groove is formed in the gate chamber (2); and the lower sluice gate for the stop log door (1) is hoisted by using the reserved door groove. Compared with the prior art, the water retaining structure has the advantages that the stop log doors replaces a steel gate, serves as the water retaining structure of the lower sluice gate for blocking the flow-guiding hole, and is easy to implement; the manufacturing cost of the water retaining structure is far lower than that of the steel gate; the construction progress can be accelerated; the construction period is shortened; the construction quality of a chock plug is ensured; power generation and water storage are performed timely; the benefit is remarkable; and the water retaining structure is worthy of being popularized.
Description
Technical field
The utility model relates to lock water-retaining structure under the shutoff of a kind of low water head Diversion Tunnel, belongs to Diversion Tunnel blocking technology field, is specially adapted to the flood control lock dash under the Diversion Tunnel shutoff of engineering of duration anxiety of passing the flood period.
Background technology
In China's Process of Hydropower Plant Construction, in order to ensure generate electricity needed head and storage capacity of engineering later stage, Diversion Tunnel often needs to carry out in advance shutoff, guarantees reservoir reservoir impoundment power generation on schedule.Conventional scheme is, at inlet of diversion tunnel, lock chamber is set, and pre-buried steel imbed parts of slab gate in advance, installs steel gate, and the later stage, while needing shutoff, adopts headstock gear lifting steel gate, to lock under inlet of diversion tunnel, then starts the construction of barrel section plug.Due to after Diversion tunnel plug constructed, steel gate is substantially discarded, and now reserve-water-level has exceeded lock chamber top mostly, if now will remove steel gate, difficulty is high, therefore often the abandoned of steel gate in storehouse, and the common cost of steel gate is very expensive, therefore can cause unnecessary waste.
Through the accumulation of construction of hydropower facilities engineering experience, in area, middle and upper reaches valley, river, do not have condition to arrange the section of longitudinal cofferdam, people more and more tend to the diversion plan in little tunnel+high cofferdam.Building of this type of engineering, all can relate to the lower lock shutoff problem in engineering construction later stage.If adopt better technology to replace steel gate can be to Diversion Tunnel shutoff time, will produce considerable project benefit.
Summary of the invention
The purpose of this utility model is to provide lock water-retaining structure under the shutoff of a kind of low water head Diversion Tunnel, this structure adopts Stoplog gate to replace steel gate, can simplify working procedure, save construction investment, effectively dash of while, guarantee plug construction safety, for lower lock retaining provides guarantee, and overcome the deficiencies in the prior art.
For realizing the purpose of this utility model, the utility model has adopted such technical scheme: lock water-retaining structure under low water head Diversion Tunnel of the present utility model shutoff, comprise the lock chamber on Diversion Tunnel, lock chamber is as the lifting cushion cap of lower lock water-retaining structure, also be a part for water-retaining structure simultaneously, its crest level determines according to the corresponding water level of shutoff period, its width according to after connect tunnel width determine; Lock chamber is in the time of Diversion Tunnel excavation lining cutting, and build completes.The utility model is mainly to adopt a kind of Stoplog gate as water-retaining structure, and this Stoplog gate is to adopt prefabricated steel concrete stoplog to be built up, and corresponding lock chamber is provided with reserved gate slot, and this reserved gate slot is for lifting Stoplog gate at lower lock.Conventionally the thickness of Stoplog gate is 0.8～1.5m, and the reserved gate slot of lock chamber is also corresponding with the size of Stoplog gate, and can adjust according to concrete engineering dash head.
Stoplog gate is formed by stacking by plural prefabricated reinforced concrete stoplog in addition, is provided with cotton-wool sealing between levels stoplog.Cotton-wool sealing is fixed in advance its end face in the time that stoplog is prefabricated.On stoplog, be also provided with the suspension ring for its lifting, suspension ring adopt the pre-buried formation of reinforcing bar conventionally.
In order to ensure the overall seepage capability of water-retaining structure, the Stoplog gate back side of the present utility model position that contacts with the gate slot of lock chamber is provided with rubber water-proof.Rubber water-proof is fixed in advance its two ends and gate slot contact site in the time that the stoplog of Stoplog gate is prefabricated.In the time that stoplog stacking highly exceedes lock chamber cross-section, need rubber water-proof is fixing at whole of the land side of stoplog.
Compared with prior art, the utility model adopts Stoplog gate instead of steel gate as lock water-retaining structure under Diversion Tunnel shutoff, not only simple, and cost is well below steel gate, simultaneously can accelerating construction progress, shorten the construction period, guarantee the construction quality of plug, ensure carrying out in time of generating retaining, there is significant benefit, be worthy to be popularized.
brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is stoplog perspective view of the present utility model.
Description of reference numerals: 1-Stoplog gate, 2-lock chamber, 3-rubber water-proof, 4-cotton-wool sealing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1, Fig. 1 has shown overall structure of the present utility model, as we can see from the figure, overall structure of the present utility model is mainly made up of Stoplog gate 1, lock chamber 2, rubber water-proof 3 and cotton-wool sealing 4, Stoplog gate 1 is as main water-retaining structure, the portal structures (Fig. 2 has shown the perspective view of this stoplog) being formed by stacking with some stoplogs, should be by complete Diversion Tunnel shutoff, for Diversion tunnel plug construction provides construction space after its lifting completes.Lock chamber 2 provides platform for the lifting of Stoplog gate 1, simultaneously also as the part of water-retaining structure.Lock chamber 2 is provided with the gate slot as the lower lock track of Stoplog gate 1.The back side of Stoplog gate 1 position that contacts with lock chamber 2 gate slotes arranges rubber water-proof 3, and cotton-wool sealing 4 is set between the stoplog of Stoplog gate 1 and stoplog.
The utility model is mainly implemented in accordance with the following steps:
The first step, in the time of Diversion Tunnel excavation lining cutting, completes building of steel concrete lock chamber 2, comprises reserved gate slot, will guarantee gate slot construction quality simultaneously;
Second step, in the engineering construction later stage, while preparing shutoff Diversion Tunnel, fulfils the prefabricated of stoplog ahead of schedule, comprises stoplog suspension ring;
The 3rd step, stoplog is prefabricated complete after, after it, fix respectively the fixing cotton-wool sealing 4 of rubber water-proof 3 and end face;
The 4th step, adopts hanging device, carries out the lower lock of stoplog lifting, and under stoplog, lock completes the overall water-retaining structure that forms Stoplog gate 1;
The 5th step, under the protection of Stoplog gate 1, completes the construction of Diversion tunnel plug;
The 6th step, plug is complete build after, start retaining, lock chamber 2 and Stoplog gate 1 is discarded, is retained in storehouse.
Certainly, be more than concrete exemplary applications of the present utility model, the utility model also has other embodiment, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the desired protection domain of the utility model.
Claims (6)
1. lock water-retaining structure under low water head Diversion Tunnel shutoff, comprise the lock chamber (2) on Diversion Tunnel, it is characterized in that: it adopts a kind of Stoplog gate (1) as water-retaining structure, this Stoplog gate (1) is to adopt prefabricated steel concrete stoplog to be built up, described lock chamber (2) is provided with reserved gate slot, and this reserved gate slot is for lifting described Stoplog gate (1) at lower lock.
2. lock water-retaining structure under low water head Diversion Tunnel according to claim 1 shutoff, is characterized in that: described Stoplog gate (1) is formed by stacking by plural prefabricated reinforced concrete stoplog, is provided with cotton-wool sealing (4) between levels stoplog.
3. lock water-retaining structure under low water head Diversion Tunnel according to claim 2 shutoff, is characterized in that: described cotton-wool sealing (4) is fixed in advance its end face in the time that stoplog is prefabricated.
4. lock water-retaining structure under low water head Diversion Tunnel according to claim 2 shutoff, is characterized in that: described stoplog is provided with the suspension ring for its lifting.
5. lock water-retaining structure under low water head Diversion Tunnel according to claim 2 shutoff, is characterized in that: described Stoplog gate (1) the back side position that contacts with the gate slot of lock chamber (2) is provided with rubber water-proof (3).
6. lock water-retaining structure under low water head Diversion Tunnel according to claim 5 shutoff, is characterized in that: described rubber water-proof (3) is fixed in advance its two ends and gate slot contact site in the time that the stoplog of Stoplog gate (1) is prefabricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092694.1U CN203729280U (en) | 2014-03-03 | 2014-03-03 | Water retaining structure of lower sluice gate for blocking lower water head flow-guiding hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092694.1U CN203729280U (en) | 2014-03-03 | 2014-03-03 | Water retaining structure of lower sluice gate for blocking lower water head flow-guiding hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203729280U true CN203729280U (en) | 2014-07-23 |
Family
ID=51199365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092694.1U Expired - Lifetime CN203729280U (en) | 2014-03-03 | 2014-03-03 | Water retaining structure of lower sluice gate for blocking lower water head flow-guiding hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203729280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421311A (en) * | 2015-10-24 | 2016-03-23 | 江南水利水电工程公司 | Reinforcing method for underwater concrete for blocking gate of hydropower station diversion tunnel |
| CN114687322A (en) * | 2022-05-10 | 2022-07-01 | 中国电建集团成都勘测设计研究院有限公司 | Plugging device and method suitable for quickly plugging parabolic hole of vertical shaft gate chamber |
-
2014
- 2014-03-03 CN CN201420092694.1U patent/CN203729280U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421311A (en) * | 2015-10-24 | 2016-03-23 | 江南水利水电工程公司 | Reinforcing method for underwater concrete for blocking gate of hydropower station diversion tunnel |
| CN114687322A (en) * | 2022-05-10 | 2022-07-01 | 中国电建集团成都勘测设计研究院有限公司 | Plugging device and method suitable for quickly plugging parabolic hole of vertical shaft gate chamber |
| CN114687322B (en) * | 2022-05-10 | 2023-05-26 | 中国电建集团成都勘测设计研究院有限公司 | Plugging device and method suitable for quick plugging of parabolic holes in shaft lock chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |