CN108677889A - The method for blocking and radial type cover board used of a kind of gate well head - Google Patents
The method for blocking and radial type cover board used of a kind of gate well head Download PDFInfo
- Publication number
- CN108677889A CN108677889A CN201810778110.9A CN201810778110A CN108677889A CN 108677889 A CN108677889 A CN 108677889A CN 201810778110 A CN201810778110 A CN 201810778110A CN 108677889 A CN108677889 A CN 108677889A
- Authority
- CN
- China
- Prior art keywords
- cover board
- well head
- plate
- type cover
- support plate
- 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.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 239000011148 porous material Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000007717 exclusion Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- E02B7/26—Vertical-lift 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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of method for blocking of gate well head and radial type cover boards used.Its method substitutes existing welded type cover board using reusable radial type cover board；The surrounding of radial type cover board is welded with free bearing connecting plate, while one group of fixed hinged seat corresponding with free bearing connection Board position is welded on the rectangular ring steel plate at gate well head；The closure to gate well head is hingedly can be realized into the free bearing connecting plate of radial type cover board surrounding fixed hinged seat corresponding on rectangular ring steel plate by axis pin.Plugging operations of the present invention are simple and quick, when releasing closure, only need to remove that radial type cover board can be rotated by 90 ° by part axis pin and stand on the operational platform.The radial type cover board of the present invention is repeatable to be utilized, and cost of investment is reduced.During construction diversion, if accident occurs for diversion tunnel, needs the process of lock water blocking exclusion accident under blocking sluice gate of diversion tunnel also very fast, fault spread can be effectively prevent.
Description
Technical field
The present invention relates to a kind of method for blocking of gate well head and radial type cover boards used, belong to hydraulic and hydroelectric engineering metal knot
Structure technical field.
Background technology
When flood season, overcurrent water level was excessively high, water can from blocking sluice gate of diversion tunnel well head on gush and flood keying machine platform,
Cause headstock gear to damage, cavern can even be caused the engineering accidents such as to cave in when serious.Flood season flow is flat from headstock gear in order to prevent
Platform is gushed out, and the way of the prior art is one piece of cover board of prior preparation, before flood season comes temporarily, by cover board surrounding and gate well head
The rectangular ring steel plate welding for locating pre-plugged, the head gushed is blocked by cover board.In order to block the head gushed completely, weld
Use four sides weld all around mode, weld seam must be full along cover board surrounding whole sequential welding when connects cover plate.When after flood season, lower lock is needed to store
When water, also the cover board welded before is removed, then again transfers blocking sluice gate of diversion tunnel to gate slot.When removing cover board,
It needs all to root out the weld seam of cover board surrounding, then cover board can just be removed.To prevent leak when due to welded cover plate before
Cover board surrounding all uses continuous weld, therefore when dismounting cover board, the workload for rooting out weld seam is very big, takes also very long.
And the cover board removed needs to remake due to destroying larger not reproducible utilization, when next time reuses.Therefore existing
Technical operating procedure is not only very troublesome, and investment is larger, and Shortcomings are up for further perfect.
Invention content
The purpose of the present invention is to provide a kind of simple in structure, reusable, reliable working performance, making and use at
The method for blocking and radial type cover board used of this low gate well head, with overcome the deficiencies in the prior art.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of method for blocking of gate well head of the present invention, this method are substituted existing using reusable radial type cover board
Welded type cover board；The surrounding of radial type cover board is welded with free bearing connecting plate, while on the rectangular ring steel plate at gate well head
Weld one group of fixed hinged seat corresponding with free bearing connection Board position；By axis pin by the free bearing connecting plate of radial type cover board surrounding with
The closure to gate well head hingedly can be realized in corresponding fixed hinged seat on rectangular ring steel plate.
In the method for blocking of aforementioned gate well head, square that articulated cover board passes through pressurized type Ω water seals and gate well head
Sealing seat board sealing on shape ring-type steel plate；Pressurized type Ω water seals bottom passes through external support plate and interior support plate and radial type cover board
Panel connection, interior support plate be equipped with intercommunicating pore；Upper water burst head is entered by intercommunicating pore between interior support plate and external support plate
Cavity make pressurized type Ω water seals protrude outward to be tightly pressed at sealing seat plate top surface；The upper higher pressurized type Ω water seals of water burst head
Water-stagnating effect is better.
In the method for blocking of aforementioned gate well head, articulated cover board top surface is equipped with one group of shackle plate, and shackle plate is through steel
Cord is connect with the steel wire rope fixed seat being fixed on side wall；In lower lock water storage, the axis pin on three sides of radial type cover board is removed,
Radial type cover board pull-up is rotated by 90 ° by steel wire rope and opens gate well head, blocking sluice gate of diversion tunnel can be passed through gate well head
In decentralization to gate slot.
A kind of gate well head closure radial type cover board of the present invention for the above method, including by crossbeam and vertical beam structure
At rectangular frame；One group of free bearing connecting plate is respectively equipped on the outside of four frames of rectangular frame, rectangular frame bottom surface is equipped with face
Plate, panel bottom surface are equipped with water-sealed component.
In aforementioned hinge formula cover board, the crossbeam and vertical beam are steel I-beam；In the web of most edge rail and vertical beam
The rectangular centre wire frame that heart line is constituted is corresponding with the rectangular centre wire frame of water-sealed component.
In aforementioned hinge formula cover board, the water-sealed component includes pressurized type Ω water seals, and pressurized type Ω water seals are through one group of bolt
It is connect with panel；Be equipped with external support plate and interior support plate between pressurized type Ω water seals and panel, external support plate and interior support plate it
Between be equipped with cavity, interior support plate is equipped with intercommunicating pore, and intercommunicating pore communicates with cavity；Pressurized type Ω water seal another sides are equipped with and interior branch
The corresponding clip plate of board and outer plate corresponding with external support plate；Bolt passes through outer plate, pressurized type Ω water seals and external support
Plate is connect with panel；Bolt is connect across clip plate, pressurized type Ω water seals and interior support plate with panel.
In aforementioned hinge formula cover board, the intercommunicating pore that the bolt is avoided on interior support plate is connect with panel.
In aforementioned hinge formula cover board, the rectangular frame top surface of articulated cover board is equipped with one group of symmetrically arranged lifting lug
Plate.
By adopting the above-described technical solution, compared with prior art, the present invention the radial type cover board of the present invention uses pin
Axis is hinged fixed form, completes assembly and dismounting by penetrating and removing axis pin, relatively uses surrounding full weld mode execute-in-place side
Just and it is time-consuming less, effectively facilitate construction, during construction diversion, if accident occurs for diversion tunnel, can quickly remove in time hinged
Lock water blocking effectively prevent fault spread under formula cover board, and removes radial type cover board to it substantially without damage, and radial type cover board can be more
Secondary reuse, effectively reduces investment outlay；Radial type cover board top is arranged with shackle plate, gate shaft top side wall and shackle plate position
Equipped with corresponding steel wire rope fixed seat steel wire rope fixed seat side can be reserved when radial type cover board removes the axis pin with fixed hinged seat
Axis pin, connected using steel wire rope and turned over cover board using manpower or interim lifting appliance after passing through steel wire rope fixed seat after shackle plate
Plumbness is gone to, blocking sluice gate of diversion tunnel is not influenced and transfers into gate shaft, and labour can be saved；Radial type cover board is equipped with
Water-sealed component seals, and sealing seat board uses stainless steel, and pressurized type Ω water seals contact well with sealing seat board, and the higher pressurising of head
Formula Ω water seals contact closer with sealing seat board, and water-stagnating effect is better.It is equipped with intercommunicating pore in interior support plate, water body can be made to pass through company
Through-hole enters pressurized type Ω water seal internal cavities, so that water seal head is contacted closely with sealing seat board water seal head pressure from inside, has
Effect ensures the water-stagnating effect of radial type cover board.
The present invention substitutes existing welded type cover board using reusable radial type cover board, comes temporarily in flood season, only
It needs the free bearing connecting plate of cover board surrounding connecting with the fixed hinged seat on rectangular ring steel plate at gate well head through axis pin, pass through
The pressurized type Ω water seals of radial type cover board bottom surface can block water burst head with the sealed connection of rectangular ring steel plate；After flood season,
The axis pin on three sides of cover board is removed, and gate well head can be opened by cover board being rotated by 90 ° by steel wire rope, not whole so as to make
Blocking sluice gate of diversion tunnel is transferred to gate slot in the case of removal cover board, solves prior art operation trouble, cover board well
Larger deficiency is invested in not reproducible utilization.
Description of the drawings
Fig. 1 is the method water blocking status diagram of the present invention；
Fig. 2 is the method decentralization blocking sluice gate of diversion tunnel schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of radial type cover board；
Fig. 4 is the structural schematic diagram of rectangular ring steel plate.
Reference sign：1- blocking sluice gate of diversion tunnel, 2- gate shafts, 3- rectangular rings steel plate, 4- sealings seat board, 5- are solid
Determine free bearing, 6- radial types cover board, 7- panels, 8- Transverse beams, 9- vertical beams, 10- cavitys, 11- free bearings connecting plate, 12- water-sealed components,
13- pressurized type Ω water seals, 14- bolts, 15- clip plates, 16- outer plates, 17- steel wire ropes fixed seat, 18- steel wire ropes, 19- are propped up outside
Support plate, 21- intercommunicating pores, 22- axis pins, 23- shackle plates, 24- side walls in board, 20-.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.
The method for blocking of a kind of gate well head of the present invention, as shown in Figure 1, this method uses reusable radial type
Cover board 6 substitutes existing welded type cover board；The surrounding of radial type cover board 6 is welded with free bearing connecting plate 11.Exist as shown in Figure 4 simultaneously
One group of fixed hinged seat corresponding with 11 position of free bearing connecting plate 5 is welded on rectangular ring steel plate 3 at 2 mouthfuls of gate shaft；Pass through pin
Axis 22 hingedly can be real by corresponding on rectangular ring steel plate 3 fixed hinged seat of the free bearing connecting plate 11 of 6 surrounding of radial type cover board 5
Now to the closure of 2 mouthfuls of gate shaft.Radial type cover board 6 passes through on the rectangular ring steel plate 3 of 2 mouthfuls of pressurized type Ω water seals 13 and gate shaft
Sealing seat board 4 seal；The face that 13 bottom of pressurized type Ω water seals passes through external support plate 19 and interior support plate 20 and radial type cover board 6
Plate 7 connects, and interior support plate 20 is equipped with intercommunicating pore 21；Upper water burst head enters interior support plate 20 and external support plate by intercommunicating pore 21
Cavity 10 between 19 makes pressurized type Ω water seals 13 protrude outward to be tightly pressed at 4 top surface of sealing seat board；Upper water burst head is higher to be filled
The water-stagnating effect of pressure type Ω water seals 13 is better.6 top surface of radial type cover board is equipped with one group of shackle plate 23, and shackle plate 23 is through steel wire rope 18
It is connect with the steel wire rope fixed seat 17 being fixed on side wall 24.In lower lock water storage, as shown in Fig. 2, removing radial type cover board 6 three
6 pull-up of radial type cover board is rotated by 90 ° by steel wire rope 18 and opens 2 mouthfuls of gate shaft, can seal diversion tunnel by the axis pin 22 on side
Blocking gate 1 passes through in 2 mouthfuls of decentralization to gate slotes of gate shaft.
A kind of gate well head closure radial type cover board of the present invention for the above method, as shown in figure 3, including by cross
The rectangular frame that beam 8 and vertical beam 9 are constituted；It is respectively equipped with one group of free bearing connecting plate 11, rectangle on the outside of four frames of rectangular frame
Frame bottom surface is equipped with panel 7, and 7 bottom surface of panel is equipped with water-sealed component 12.Crossbeam 8 and vertical beam 9 are steel I-beam；Most edge rail
8 and vertical beam 9 web center line constitute rectangular centre wire frame it is corresponding with the rectangular centre wire frame of water-sealed component 12.Water-sealed component
12 include pressurized type Ω water seals 13, and pressurized type Ω water seals 13 are connect through one group of bolt 14 with panel 7；Pressurized type Ω water seals 13 and face
It is equipped with external support plate 19 and interior support plate 20 between plate 7, cavity 10, interior bearing are equipped between external support plate 19 and interior support plate 20
Plate 20 is equipped with intercommunicating pore 21, and intercommunicating pore 21 is communicated with cavity 10；13 another side of pressurized type Ω water seals is equipped with and interior support plate 20
Corresponding clip plate 15 and outer plate corresponding with external support plate 19 16；Bolt 14 passes through outer plate 16, pressurized type Ω water seals 13
It is connect with panel 7 with external support plate 19；Bolt 14 passes through clip plate 15, pressurized type Ω water seals 13 and interior support plate 20 and panel 7
Connection.Bolt 14 is avoided the intercommunicating pore 21 on interior support plate 20 and is connect with panel 7.The rectangular frame top surface of radial type cover board is equipped with
One group of symmetrically arranged shackle plate 23.
Embodiment
Sunk type rectangular ring steel plate is arranged as shown in figures 1-4, at 2 top of gate shaft of blocking sluice gate of diversion tunnel 1 in this example
3, the cross sectional shape of rectangular ring steel plate 3 is L-type, and the top surface of rectangular ring steel plate 3 is equipped with the sealing seat board 4 of rectangular arrangement, only
Water seat board 4 uses stainless steel plate material.3 medial surface of rectangular ring steel plate, which is welded with, is arranged symmetrically fixed hinged seat 5.Radial type cover board
6 are surrounded by free bearing connecting plate 11 corresponding with fixed hinged seat 5, and free bearing connecting plate 11 connects through axis pin 22 and rectangular ring steel plate 3
It connects.Radial type cover board 6 includes the rectangular frame being made of Transverse beams 8 and vertical beam 9, and rectangular frame surrounding is welded with for being cut with scissors with fixed
The free bearing connecting plate 11 of 5 connection of seat.It is welded with panel 7 rectangular frame bottom surface.7 bottom surface of panel is equipped with water-sealed component 12；Water seal group
Part 12 is rectangular configuration, and water-sealed component 12 is in close contact with the sealing seat board 4 on rectangular ring steel plate 3, the position of sealing seat board 4
It is corresponding with water-sealed component 12 with shape.Water-sealed component 12 includes pressurized type Ω water seals 13, and pressurized type Ω water seals 13 pass through bolt 14
It is fixed on panel 7 across water seal clip plate 15 and water seal outer plate 16；The center line of pressurized type Ω water seals 13 and two outsides are perpendicular
Beam 9 is corresponding He the position of center line of Transverse beams 8；7 bottom surface of panel is equipped with the external support plate 19 and interior support plate 20 of rectangular arrangement；Interior branch
Board 20 is equipped with intercommunicating pore 21；Free bearing connecting plate 11 is corresponding with 5 position of fixed hinged seat and is connected using axis pin 22；Radial type lid
6 top surface of plate is equipped with one group of shackle plate 23 being arranged symmetrically；The side wall 24 on 2 top of gate shaft is equipped with corresponding with 23 position of shackle plate
Steel wire rope fixed seat 17；When after flood season, when being not necessarily to radial type cover board 6, as shown in Fig. 2, steel wire rope fixed seat 17 can be retained
The axis pin 22 of side removes the axis pin 22 of other three side, is fixed across steel wire rope using after the connection shackle plate 23 of steel wire rope 18
Radial type cover board 6 is overturn to plumbness using manpower or interim lifting appliance after seat 17, does not influence blocking sluice gate of diversion tunnel 1
In decentralization to gate shaft 2.
Claims (8)
1. a kind of method for blocking of gate well head, it is characterised in that：This method is substituted using reusable radial type cover board
Existing welded type cover board；The surrounding of radial type cover board is welded with free bearing connecting plate, while the rectangular ring at gate well head
One group of fixed hinged seat corresponding with free bearing connection Board position is welded on steel plate；The free bearing of radial type cover board surrounding is connected by axis pin
The closure to gate well head hingedly can be realized in fishplate bar fixed hinged seat corresponding on rectangular ring steel plate.
2. the method for blocking of gate well head according to claim 1, it is characterised in that：Articulated cover board passes through pressurized type
Ω water seals are sealed with the sealing seat board on the rectangular ring steel plate of gate well head；Pressurized type Ω water seals bottom by external support plate and
Interior support plate is connect with the panel of radial type cover board, and interior support plate is equipped with intercommunicating pore；In upper water burst head is entered by intercommunicating pore
Cavity between support plate and external support plate makes pressurized type Ω water seals protrude outward to be tightly pressed at sealing seat plate top surface；Upper water burst
The water-stagnating effect of the higher pressurized type Ω water seals of head is better.
3. the method for blocking of gate well head according to claim 1, it is characterised in that：Articulated cover board top surface is equipped with one
Group shackle plate, shackle plate are connect through steel wire rope with the steel wire rope fixed seat being fixed on side wall；In lower lock water storage, remove hinged
Radial type cover board pull-up is rotated by 90 ° by steel wire rope and opens gate well head by the axis pin on three sides of formula cover board, can be by diversion tunnel
Gate is blocked to transfer to gate slot by gate well head.
4. a kind of gate well head for claims 1 to 3 any claim the method, which blocks, uses radial type cover board, special
Sign is：Including by crossbeam（8）And vertical beam（9）The rectangular frame of composition；It is respectively equipped with one on the outside of four frames of rectangular frame
Group free bearing connecting plate（11）, rectangular frame bottom surface is equipped with panel（7）, panel（7）Bottom surface is equipped with water-sealed component（12）.
5. gate well head, which blocks, according to claim 4 uses radial type cover board, it is characterised in that：The crossbeam（8）And vertical beam
（9）It is steel I-beam；Most edge rail（8）And vertical beam（9）Web center line the rectangular centre wire frame and the water seal group that constitute
Part（12）Rectangular centre wire frame correspond to.
6. gate well head, which blocks, according to claim 4 uses radial type cover board, it is characterised in that：The water-sealed component（12）Packet
Include pressurized type Ω water seals（13）, pressurized type Ω water seals（13）Through one group of bolt（14）With panel（7）Connection；Pressurized type Ω water seals
（13）With panel（7）Between be equipped with external support plate（19）With interior support plate（20）, external support plate（19）With interior support plate（20）It
Between be equipped with cavity（10）, interior support plate（20）It is equipped with intercommunicating pore（21）, intercommunicating pore（21）With cavity（10）It communicates；Pressurized type Ω
Water seal（13）Another side is equipped with and interior support plate（20）Corresponding clip plate（15）With with external support plate（19）Corresponding outer plate
（16）；Bolt（14）Across outer plate（16）, pressurized type Ω water seals（13）With external support plate（19）With panel（7）Connection；Bolt
（14）Across clip plate（15）, pressurized type Ω water seals（13）With interior support plate（20）With panel（7）Connection.
7. gate well head, which blocks, according to claim 6 uses radial type cover board, it is characterised in that：The bolt（14）In avoiding
Support plate（20）On intercommunicating pore（21）With panel（7）Connection.
8. gate well head, which blocks, according to claim 4 uses radial type cover board, it is characterised in that：It is described by crossbeam（8）With it is perpendicular
Beam（9）The rectangular frame top surface of composition is equipped with one group of symmetrically arranged shackle plate（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778110.9A CN108677889B (en) | 2018-07-16 | 2018-07-16 | Gate wellhead blocking method and hinged cover plate used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778110.9A CN108677889B (en) | 2018-07-16 | 2018-07-16 | Gate wellhead blocking method and hinged cover plate used by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108677889A true CN108677889A (en) | 2018-10-19 |
| CN108677889B CN108677889B (en) | 2024-02-06 |
Family
ID=63814180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810778110.9A Active CN108677889B (en) | 2018-07-16 | 2018-07-16 | Gate wellhead blocking method and hinged cover plate used by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108677889B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403286A (en) * | 2018-12-10 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of plugging device of tailrace tunnel bulkhead gate slot |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510524U (en) * | 1991-07-23 | 1993-02-12 | 日立造船株式会社 | Gate sealing device |
| JPH0860640A (en) * | 1994-08-12 | 1996-03-05 | Akio Iida | Water gate fitted on wall face |
| JPH11158852A (en) * | 1997-11-27 | 1999-06-15 | Ishikawajima Harima Heavy Ind Co Ltd | Gate |
| JP2004176328A (en) * | 2002-11-26 | 2004-06-24 | Akio Iida | Pneumatic type derricking gate |
| CN102518087A (en) * | 2011-12-07 | 2012-06-27 | 扬州众大水利机电设备制造有限公司 | Bottom gate of reservoir |
| CN202577243U (en) * | 2012-05-17 | 2012-12-05 | 中国水电顾问集团贵阳勘测设计研究院 | Turnover plate type plugging valve for diversion tunnel |
| CN203594006U (en) * | 2013-11-06 | 2014-05-14 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Sealing structure arranged in gate shaft body of diversion tunnel chamber |
| CN104060589A (en) * | 2014-06-19 | 2014-09-24 | 中国水利水电第十一工程局有限公司 | Flip sluice gate for sealing and blocking flow guide hole opening of hydropower station |
| CN206680969U (en) * | 2017-03-24 | 2017-11-28 | 中国电建集团贵阳勘测设计研究院有限公司 | It is a kind of to utilize the device that ecological flow is let out under existing closure gate |
| CN208668383U (en) * | 2018-07-16 | 2019-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of gate well head closure radial type cover board |
-
2018
- 2018-07-16 CN CN201810778110.9A patent/CN108677889B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510524U (en) * | 1991-07-23 | 1993-02-12 | 日立造船株式会社 | Gate sealing device |
| JPH0860640A (en) * | 1994-08-12 | 1996-03-05 | Akio Iida | Water gate fitted on wall face |
| JPH11158852A (en) * | 1997-11-27 | 1999-06-15 | Ishikawajima Harima Heavy Ind Co Ltd | Gate |
| JP2004176328A (en) * | 2002-11-26 | 2004-06-24 | Akio Iida | Pneumatic type derricking gate |
| CN102518087A (en) * | 2011-12-07 | 2012-06-27 | 扬州众大水利机电设备制造有限公司 | Bottom gate of reservoir |
| CN202577243U (en) * | 2012-05-17 | 2012-12-05 | 中国水电顾问集团贵阳勘测设计研究院 | Turnover plate type plugging valve for diversion tunnel |
| CN203594006U (en) * | 2013-11-06 | 2014-05-14 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | Sealing structure arranged in gate shaft body of diversion tunnel chamber |
| CN104060589A (en) * | 2014-06-19 | 2014-09-24 | 中国水利水电第十一工程局有限公司 | Flip sluice gate for sealing and blocking flow guide hole opening of hydropower station |
| CN206680969U (en) * | 2017-03-24 | 2017-11-28 | 中国电建集团贵阳勘测设计研究院有限公司 | It is a kind of to utilize the device that ecological flow is let out under existing closure gate |
| CN208668383U (en) * | 2018-07-16 | 2019-03-29 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of gate well head closure radial type cover board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403286A (en) * | 2018-12-10 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of plugging device of tailrace tunnel bulkhead gate slot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108677889B (en) | 2024-02-06 |
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