CN115030115B - Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist - Google Patents
Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist Download PDFInfo
- Publication number
- CN115030115B CN115030115B CN202210712588.8A CN202210712588A CN115030115B CN 115030115 B CN115030115 B CN 115030115B CN 202210712588 A CN202210712588 A CN 202210712588A CN 115030115 B CN115030115 B CN 115030115B
- Authority
- CN
- China
- Prior art keywords
- gate
- hoist
- pressurizing cavity
- valve body
- water
- 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.)
- Active
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000009412 basement excavation Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001363 water suppression through gradient tailored excitation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
- E02B8/04—Valves, slides, or the like; Arrangements therefor; Submerged sluice gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention provides a hydraulic operation valve system capable of replacing a gate and a hoist of a tail gate chamber of a pumping and storing station, which comprises an overcurrent valve body, wherein a closed pressurizing cavity is arranged at the lower part of the overcurrent valve body and is positioned below a runner, a gate plate is movably connected inside the overcurrent valve body, the gate plate comprises a water seal structure arranged at the bottom, the closed pressurizing cavity can accommodate the gate plate, and the bottom of the closed pressurizing cavity is externally connected with a vacuumizing device, a hydraulic pressurizing system and a drainage and pressure relief system. The invention can greatly reduce the excavation height of the tail gate chamber, reduce the engineering quantity and improve the reliability of equipment.
Description
Technical Field
The invention relates to the technical field of pumped storage power stations, in particular to a hydraulic operation valve system capable of replacing a gate of a tail gate chamber and a hoist of a pumped storage power station.
Background
Along with the development of new energy technology, a large number of pumped storage power stations are built, a tail water gate system of the pumped storage power stations is an important component part of the power stations, and according to the common arrangement, metal structural equipment of the tail water gate system comprises an accident gate, a gate slot, a hydraulic hoist, an overhaul bridge machine, a water filling system, a gas filling and exhausting system and the like. The excavation height of the tail gate chamber is determined by the gate height, the gate opening height, the short pull rod length, the bridge overhauling machine height and the hydraulic hoist cylinder length. This arrangement has the following drawbacks: 1. the tail gate chamber has high excavation height and large excavation engineering quantity; 2. the gate is hung above the orifice at ordinary times, so that the gate is at risk of falling; 3. the hydraulic hoist has large capacity and high investment; 4. the indoor arrangement of the whole tail gate chamber is not tidy; 5. the installation technology is difficult and the installation workload is large.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a hydraulic operation valve system capable of replacing a gate and a hoist of a tail gate chamber of a pumping power storage station. The invention can greatly reduce the excavation height of the tail gate chamber, reduce the engineering quantity and improve the reliability of equipment.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a hydraulic operation valve system capable of replacing a gate and a hoist of a tail gate chamber of a pumping and storing station is characterized in that: the hydraulic gate valve comprises an overflow valve body, wherein the lower part of the overflow valve body is provided with a closed pressurizing cavity positioned below a flow passage, the inside of the overflow valve body is movably connected with a gate valve plate, the gate valve plate comprises a water seal structure arranged at the bottom, the closed pressurizing cavity can accommodate the gate valve plate, the bottom of the closed pressurizing cavity is externally connected with vacuum pumping equipment, a hydraulic pressurizing system and a drainage pressure relief system, and a hydraulic hoist is not arranged above the gate valve plate for opening and closing.
Further: the bottom of the airtight pressurizing cavity is connected with a vacuumizing device through a vacuumizing steel pipe, the bottom of the airtight pressurizing cavity is connected with a drainage pressure relief system through a drainage steel pipe, and the bottom of the airtight pressurizing cavity is connected with a water pressure pressurizing system through a pressurizing steel pipe.
Further: the gate valve plate comprises a water retaining door plate, and a piston body structure is arranged on the bottom surface of the water retaining door plate; the bottom of the closed pressurizing cavity is provided with a supporting block matched with the piston body in structure; the bottom side face of the water retaining door plate is provided with the water seal structure.
Further: the overflow valve body comprises an upper valve body and a lower valve body which are integrally arranged, the upper valve body is arranged on rock walls around the flow channel, the airtight pressurizing cavity is arranged in the lower valve body, the top of the upper valve body is connected with a waist box body, and the top of the waist box body is provided with a top cover structure.
Further: the piston body structure comprises a gland, a sealing assembly and a piston body, wherein the piston body is connected with the bottom surface of the water retaining door plate, the gland is arranged at the bottom of the piston body, and the sealing assembly is correspondingly arranged at two sides of the piston body.
Further: the waist box body is provided with an upper limiting device.
Further: the top of the water retaining door plate is provided with a guide plate.
Compared with the prior art, the invention has the following advantages:
the invention greatly reduces the excavation height of the tail gate chamber, reduces the excavation engineering quantity of holes (reduces the excavation quantity of holes of the installation height of the hydraulic hoist, takes the long Longshan tail gate chamber as an example to reduce the excavation quantity of mountain holes by about 9000 cubic meters), increases the operation safety of the gate, and avoids the falling risk of the gate suspended above the orifice at ordinary times; the hydraulic hoist is canceled, and the hydraulic pressurizing system and the drainage pressure relief system are used for opening and closing the gate valve plate, so that the equipment investment is greatly reduced; the arrangement neatness in the tail gate chamber is improved (hydraulic hoist cylinder equipment in the gate chamber is eliminated), and the added vacuum pumping system and related equipment of the pressurizing and depressurizing system are concentrated in the room of the original hydraulic hoist operating chamber); furthermore, the equipment is changed into the shaping complete equipment, all the precision is ensured by factory manufacture, the reliability of the equipment can be greatly improved, the field installation difficulty and the engineering quantity are reduced, and a plurality of original works which need field welding and assembling are transferred to the factory for completion.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a fully open gate valve plate of the present invention;
FIG. 4 is a cross-sectional view taken along the direction C-C in FIG. 1;
FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 1;
fig. 6 is a partial enlarged view at a in fig. 2.
Reference numerals: 1-a runner; 2-sealing the pressurizing cavity; 3-gate valve plates; 4-an overflow valve body; 5-a water seal structure; 6-vacuumizing equipment; 7-a drainage and pressure relief system; 8-vacuumizing the steel pipe; 9-draining the steel pipe; 10-pressurizing the steel pipe; 11-a water blocking door plate; 12-piston body structure; 13-supporting blocks; 14-an upper valve body; 15-a lower valve body; 16-waist box body; 17-roof structure; 18-capping; 19-a seal assembly; 20-a piston body; 21-upper limit means; 22-overhauling a manhole; 23-charging and discharging valves; 24-a deflector; 25-runner filling level system.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, preferred embodiments of the present invention will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present invention; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship described in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1 to 6, a hydraulic operation valve system capable of replacing a gate and a hoist of a tail gate chamber of a pumping and storing station comprises an overflow valve body 4, wherein a closed pressurizing cavity 2 positioned below a flow channel 1 is arranged at the lower part of the overflow valve body 4, a gate valve plate 3 is movably connected inside the overflow valve body 4, the gate valve plate 3 comprises a water seal structure 5 arranged at the bottom, the closed pressurizing cavity 2 can accommodate the gate valve plate 3, a vacuum pumping device 6, a hydraulic pressurizing system and a drainage and pressure relief system 7 are externally connected to the bottom of the closed pressurizing cavity 2, and the hydraulic hoist is not arranged above the gate valve plate 3 for opening and closing.
The bottom of the airtight pressurizing cavity 2 is connected with a vacuumizing device 6 through a vacuumizing steel pipe 8, the airtight pressurizing cavity 2 is kept in a vacuum state through the vacuumizing device 6, the bottom of the airtight pressurizing cavity 2 is connected with a drainage pressure relief system 7 through a drainage steel pipe 9, and the bottom of the airtight pressurizing cavity 2 is connected with a hydraulic pressure pressurizing system through a pressurizing steel pipe 10. The vacuum related equipment is concentrated in a room of an original hydraulic hoist operating room.
The drainage and pressure relief system 7 is integrated with a ball valve, a pressure switch, a pressure sensor, a pressure reducing valve, an electric ball valve, a pipeline, a flange and the like.
The hydraulic pressurizing system is integrated with a plurality of ball valves, a plurality of pressure gauges, a plurality of check valves, a pressure switch, a plurality of booster pumps, pressure sensors, pressure reducing valves, flow meters, automatic exhaust valves, electric ball valves, pipelines, flanges and the like, and the devices are arranged in a hydraulic opening and closing operation device room in a concentrated mode.
The top of the water baffle door plate 11 is provided with a guide plate 24.
The gate valve plate 3 comprises a water retaining door plate 11, wherein the water retaining door plate 11 is formed by welding steel plates, a piston body structure 12 is arranged on the bottom surface of the water retaining door plate 11, and the piston body structure 12 can move up and down in the closed pressurizing cavity 2; the bottom of the closed pressurizing cavity 2 is provided with a supporting block 13 matched with the piston body structure 12, the supporting block 13 is used for supporting the gate valve plate 3 at the full-open position, the top guide plate 24 of the gate valve plate 3 is ensured to be flush with the bottom plate of the flow channel 1, and a certain space is reserved at the bottom of the closed pressurizing cavity 2; the water seal structure 5 is arranged on the bottom side surface of the water retaining door plate 11, and the water seal structure 5 can be a rubber water seal structure or a hard water seal structure.
Through the vacuumizing equipment 6, the hydraulic pressurizing system and the drainage and pressure relief system 7, the piston body structure 12 at the bottom of the gate valve plate 3 flexibly moves up and down and no air exists in the closed pressurizing cavity 2. The hydraulic pressurizing system is used for pushing the sluice valve plate 3 to ascend to close the valve, and the drainage pressure relief system 7 is used for enabling the sluice valve plate 3 to descend to open the valve.
The overflow valve body 4 includes upper portion valve body 14 and lower part valve body 15 that an organic whole set up, and upper portion valve body 14 sets up on the rock wall around runner 1, airtight pressurization chamber 2 is located in the lower part valve body 15, waist box 16 is connected at the top of upper portion valve body 14, and waist box 16 upper portion adopts bolted connection sealed with the top cap, and the top of waist box 16 sets up top cap structure 17, top cap structure 17 is provided with the maintenance and advances the population. The overcurrent valve body 4 and the waist box 16 can be butted into a whole at the installation site; the upstream side of the overflow valve body 4 is provided with a stainless steel water seal seat.
The overflow valve body is formed by welding a peripheral steel plate, a longitudinal baffle plate, a beam system structure and a bottom steel plate, and the longitudinal baffle plate and the beam system structure. The upper valve body 14 is provided in a hollow zigzag form and has a front extension structure and a rear extension structure, which are respectively connected to the upstream and downstream of the pressure pipe of the flow passage 1; the lower valve body 15 is provided as a rectangular body with an upper portion connected to the upper valve body 14. According to the arrangement, the influence of the flow disturbance of the flow passage on the gate valve plate 3 can be optimized, and the unexpected falling of the gate valve plate 3 can be completely avoided, because the water baffle door plate 11 is located in the lower valve body 15 and is free from the influence of the flow disturbance of the flow passage when the water baffle door plate 11 is in the fully-opened position, the friction resistance of the water baffle door plate 11 under the action of water pressure is far greater than the self weight when the water baffle door plate 11 is in the fully-closed water baffle position, and the self-sliding falling can be prevented.
The piston body structure 12 comprises a gland 18, a sealing assembly 19 and a piston body 20, wherein the piston body 20 is connected with the bottom surface of the water retaining door plate 11, the gland 18 is arranged at the bottom of the piston body 20, and the sealing assembly 19 is correspondingly arranged at two sides of the piston body 20.
The waist box 16 is provided with an upper limiting device 21. The upper stop means 21 ensure that the gate valve 8 can be in the fully closed position.
The flow channel 1 is provided with an air charging and discharging valve 23, a flow channel air charging and discharging system 25 and a pressure releasing system. The runner horizontal pressure charging system 25 is used for leveling the front runner 1 and the rear runner 1, the air charging and discharging valve 23 is used for supplementing air and discharging air of the runner 1, and the pressure releasing system is used for releasing pressure of the closed pressure charging cavity 2.
Under the condition that the unit at the upstream side of the flow channel 1 is closed, water at the upstream side of the flow channel 1 can be emptied through a water collecting well arranged in a connecting unit factory building, and then overhaul and maintenance of the unit and a steel pipe at the upstream side of the flow channel 1 can be carried out. During drainage, the air charge/discharge valve 23 is automatically opened to supply air to the upstream side of the flow path 1. After the overhaul and maintenance of the unit and the steel pipes at the upstream side of the flow channel 1 are completed, the flow channel horizontal filling system 25 is opened to fill water at the downstream side of the flow channel 1 into the upstream side of the flow channel 1, and at the moment, the air filling and discharging valve 23 is automatically opened to discharge the air in the cavity at the upstream side of the flow channel 1 to the outside of the invention; after the water pressure of the front runner 1 and the rear runner 1 of the device is flat pressed, the drainage and pressure relief system 7 is opened to drain the water of the closed pressurizing cavity 2 to the water collecting well of the valve chamber, so that the gate valve plate 3 falls into the closed pressurizing cavity 2, and the runner 1 is kept smooth.
The invention is arranged at the position where the gate and the hoist of the tail gate chamber of the power-extracting and storing station are arranged in the runner 1 originally and is used for cutting off the water flow of the runner 1. When the flow passage 1 flows, the gate valve plate 3 falls into the closed pressurizing cavity 2 to keep the flow passage 1 smooth; when the water flow of the runner 1 needs to be cut off, the water pressure pressurizing system is opened to fill water into the closed pressurizing cavity 2, and the gate valve plate 3 is pushed to rise to the closing position by the water pressure to block the runner 1 from overflowing.
The hydraulically operated valve system of the invention, which can be used to replace the tail gate chamber gate and hoist of the pumping station, can be easily manufactured or used by those skilled in the art in light of the description of the invention and the accompanying drawings, and can produce the positive effects described in the invention.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.
Claims (6)
1. A hydraulic operation valve system capable of replacing a gate and a hoist of a tail gate chamber of a pumping and storing station is characterized in that: the device comprises an overflow valve body (4), wherein a closed pressurizing cavity (2) positioned below a runner (1) is arranged at the lower part of the overflow valve body (4), a gate valve plate (3) is movably connected inside the overflow valve body (4), the gate valve plate (3) comprises a water seal structure (5) arranged at the bottom, the closed pressurizing cavity (2) can accommodate the gate valve plate (3), a vacuum pumping device (6), a hydraulic pressurizing system and a drainage and pressure relief system (7) are externally connected to the bottom of the closed pressurizing cavity (2), a hydraulic hoist is not arranged above the gate valve plate (3) for opening and closing, the excavation height of a tail gate chamber is reduced, and the excavation engineering quantity of a hole is reduced;
the gate valve plate (3) comprises a water retaining door plate (11), wherein a piston body structure (12) is arranged on the bottom surface of the water retaining door plate (11), and the piston body structure (12) can move up and down in the airtight pressurizing cavity (2); the water seal structure (5) is arranged on the side surface of the bottom of the water retaining door plate (11);
when the flow channel (1) flows, the gate valve plate (3) falls into the closed pressurizing cavity (2) to keep the flow channel (1) smooth; when the water flow of the runner (1) needs to be cut off, the water pressure pressurizing system is opened to fill water into the closed pressurizing cavity (2), and the gate valve plate (3) is pushed to rise to the closing position by the water pressure to block the overflow of the runner (1);
the overflow valve body (4) comprises an upper valve body (14) and a lower valve body (15) which are integrally arranged, the upper valve body (14) is arranged on the rock wall around the runner (1), the airtight pressurizing cavity (2) is arranged in the lower valve body (15), the top of the upper valve body (14) is connected with the waist box body (16), and the top of the waist box body (16) is provided with a top cover structure (17).
2. The hydraulically operated valve system of a replaceable pumping station tail gate and hoist as in claim 1, wherein: the bottom of the airtight pressurizing cavity (2) is connected with a vacuumizing device (6) through a vacuumizing steel pipe (8), the bottom of the airtight pressurizing cavity (2) is connected with a drainage pressure relief system (7) through a drainage steel pipe (9), and the bottom of the airtight pressurizing cavity (2) is connected with a hydraulic pressure pressurizing system through a pressurizing steel pipe (10).
3. The hydraulically operated valve system of a replaceable pumping station tail gate and hoist as in claim 1, wherein: the bottom of the airtight pressurizing cavity (2) is provided with a supporting block (13) matched with the piston body structure (12).
4. The hydraulically operated valve system of a replaceable pumping station tail gate and hoist as in claim 1, wherein: the piston body structure (12) comprises a gland (18), a sealing assembly (19) and a piston body (20), wherein the piston body (20) is connected with the bottom surface of the water retaining door plate (11), the gland (18) is arranged at the bottom of the piston body (20), and the sealing assembly (19) is correspondingly arranged at two sides of the piston body (20).
5. The hydraulically operated valve system of a replaceable pumping station tail gate and hoist as in claim 1, wherein: an upper limiting device (21) is arranged on the waist box body (16).
6. The hydraulically operated valve system of a replaceable pumping station tail gate and hoist as in claim 1, wherein: the top of the water retaining door plate (11) is provided with a guide plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210712588.8A CN115030115B (en) | 2022-06-22 | 2022-06-22 | Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210712588.8A CN115030115B (en) | 2022-06-22 | 2022-06-22 | Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115030115A CN115030115A (en) | 2022-09-09 |
| CN115030115B true CN115030115B (en) | 2024-01-26 |
Family
ID=83126500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210712588.8A Active CN115030115B (en) | 2022-06-22 | 2022-06-22 | Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115030115B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222833A (en) * | 1991-05-08 | 1993-06-29 | Northeastern University | Shutter for hydro-pneumatic current flow harnessing system |
| CN103088794A (en) * | 2013-02-04 | 2013-05-08 | 黄河勘测规划设计有限公司 | Connecting structure between rapid gate hydraulic headstock gear and sealing gate groove |
| CN109853488A (en) * | 2019-02-01 | 2019-06-07 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of water sealing method and device of tail water cooler down-the-hole bulkhead gate |
| CN211472429U (en) * | 2019-08-07 | 2020-09-11 | 中国电建集团华东勘测设计研究院有限公司 | Tail sluice gate arrangement structure of pumped storage power station tail lock chamber |
| CN213571809U (en) * | 2020-10-30 | 2021-06-29 | 黄河勘测规划设计研究院有限公司 | Diversion tunnel inlet tower frame bypass structure for ecological drainage |
| CN113062280A (en) * | 2021-03-08 | 2021-07-02 | 长江勘测规划设计研究有限责任公司 | Arc-shaped valve cap door device opened and closed by water power and using method thereof |
| CN114182697A (en) * | 2021-12-09 | 2022-03-15 | 湖南城头山水工机械制造有限公司 | High leakproofness intelligence measurement and control aluminum alloy gate |
| CN217923434U (en) * | 2022-06-22 | 2022-11-29 | 中国电建集团华东勘测设计研究院有限公司 | Hydraulic operation valve system capable of replacing tail gate chamber gate and headstock gear of pumped storage power station |
-
2022
- 2022-06-22 CN CN202210712588.8A patent/CN115030115B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5222833A (en) * | 1991-05-08 | 1993-06-29 | Northeastern University | Shutter for hydro-pneumatic current flow harnessing system |
| CN103088794A (en) * | 2013-02-04 | 2013-05-08 | 黄河勘测规划设计有限公司 | Connecting structure between rapid gate hydraulic headstock gear and sealing gate groove |
| CN109853488A (en) * | 2019-02-01 | 2019-06-07 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of water sealing method and device of tail water cooler down-the-hole bulkhead gate |
| CN211472429U (en) * | 2019-08-07 | 2020-09-11 | 中国电建集团华东勘测设计研究院有限公司 | Tail sluice gate arrangement structure of pumped storage power station tail lock chamber |
| CN213571809U (en) * | 2020-10-30 | 2021-06-29 | 黄河勘测规划设计研究院有限公司 | Diversion tunnel inlet tower frame bypass structure for ecological drainage |
| CN113062280A (en) * | 2021-03-08 | 2021-07-02 | 长江勘测规划设计研究有限责任公司 | Arc-shaped valve cap door device opened and closed by water power and using method thereof |
| CN114182697A (en) * | 2021-12-09 | 2022-03-15 | 湖南城头山水工机械制造有限公司 | High leakproofness intelligence measurement and control aluminum alloy gate |
| CN217923434U (en) * | 2022-06-22 | 2022-11-29 | 中国电建集团华东勘测设计研究院有限公司 | Hydraulic operation valve system capable of replacing tail gate chamber gate and headstock gear of pumped storage power station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115030115A (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110106963B (en) | Unpowered automatic siphon water supply and drainage system | |
| CN102606842A (en) | Protecting device for forward water hammer | |
| CN106968262B (en) | The channel steel cofferdam system quickly repaired for the slope lining cutting of water channel canal | |
| CN217923434U (en) | Hydraulic operation valve system capable of replacing tail gate chamber gate and headstock gear of pumped storage power station | |
| CN115030115B (en) | Hydraulic operation valve system capable of replacing gate of tail gate chamber of pumping and storing station and hoist | |
| CN106930246B (en) | Unpowered automatic water filling and draining counterweight gate | |
| CN213836566U (en) | Quick-closing gate | |
| CN210713124U (en) | Flushing and overhauling system for drainage pipeline | |
| CN2888200Y (en) | Aerated floating box type flap valve | |
| CN109853490B (en) | Method and device for temporarily lowering ecological flow in water storage period of concrete dam | |
| CN106149644A (en) | Overfall dam Non-energy-consumption gate hoist | |
| CN215329800U (en) | Navigation facility gap water filling and pressure equalizing device | |
| CN219471186U (en) | Improved integrated pump station | |
| CN221052498U (en) | Ecological flow discharge pipe structure combined with arc door traffic hole arrangement | |
| CN211900691U (en) | Gas extraction normally closed automatic water drainage device for high gas mine | |
| CN110552737A (en) | Flow guiding device for mine drainage roadway | |
| CN105089096B (en) | Reduce pressure water system for down-hole | |
| CN217587930U (en) | Ventilation and pressure regulation device used under non-pressure or low-pressure operation condition of water storage cavern | |
| CN219100279U (en) | Water inlet safety gate well suitable for gravity flow and gravity flow underground sewage treatment plant | |
| CN216615739U (en) | Receive water gap gate with buffer structure | |
| CN220927754U (en) | Flood discharge bottom hole high-pressure sliding gate equipment arrangement structure | |
| CN217839923U (en) | Hydroelectric power generation dam | |
| CN116104057B (en) | Tail water accident door device of pumped storage power station and using method thereof | |
| CN115142450B (en) | Pneumatic precipitation method and precipitation device thereof | |
| CN217203926U (en) | Blank cap type plane gate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |