CN106012985A - Improved method for extra-high water head fixed wheel gate and fixed wheel gate - Google Patents
Improved method for extra-high water head fixed wheel gate and fixed wheel gate Download PDFInfo
- Publication number
- CN106012985A CN106012985A CN201610573328.1A CN201610573328A CN106012985A CN 106012985 A CN106012985 A CN 106012985A CN 201610573328 A CN201610573328 A CN 201610573328A CN 106012985 A CN106012985 A CN 106012985A
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- gate
- fixed wheel
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- supporting
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Classifications
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- 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
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/54—Sealings for gates
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses an improved method for an extra-high water head fixed wheel gate and the fixed wheel gate. The positive direction and the negative direction of the gate are both in three-edge limiting, so that deformation of the gate is reduced, front-and-back swing of the gate is prevented, vibration of the gate in the gate-closing process is reduced, and running safety of the gate is facilitated; the two sides and the top of the upstream face of the gate are each provided with a negative direction bearing, and the two sides and the top of the downstream face of the gate are each provided with a positive direction bearing; meanwhile, the upstream face of the gate is provided with a pressurizing water seal shaped like a Chinese character 'shan' and a P-shaped water seal from inside to outside, a water stopping defense line is additionally arranged, and prevention of water leakage is facilitated; gate joints are connected through bolts, so that the on-site welding workload and the after-welding defect eliminating difficulty are reduced, and the installation quality of the gate is guaranteed; and a manner that a supporting frame is arranged at the position, coinciding with the center line of a fixed wheel bearing, of a panel is adopted for a negative direction bearing sliding block, interference with installation of a fixed wheel is avoided, and the installation difficulty of the negative direction bearing sliding block is reduced. According to the improved method and the fixed wheel gate, the shortcomings in the prior art are avoided.
Description
Technical field
The present invention relates to improved method and the fixed wheel gate of a kind of extra-high head fixed wheel gate, belong to
Hydraulic and Hydro-Power Engineering metal structure technical field.
Background technology
For fixed wheel gate, it is generally used for extra-high head sluicing emergency gate, generally uses upstream
Arranging one sealing, the pattern of arranged downstream two row bulkhead gate, it is forward and reverse only to there is gate in this
The left and right sides is spacing, and gate easily produces vibration during Xiamen；It addition, reversely support cunning
Block bolt is positioned at the double web of side bar, easily installs with fixed wheel device and interferes, installation difficulty
Relatively big, and water seal setting is together, if there is contact inequality easily produce drainage, bottom seal
Use stripe shape round end pattern when water seal cross section is more than 20mm bottom exist compression uneven pliable
The raw fatigue rupture phenomenon of curly hair；Additionally, gate assembles uses Site Welding pattern, if welding matter
The on-the-spot defect elimination difficulty of amount difference is big, so existing technical merit is the most perfect.
Summary of the invention
It is an object of the invention to, it is provided that a kind of structural stability is good, install easy, sealing
Can the improved method of extra-high head fixed wheel gate of good, length in service life and fixed wheel gate, to solve
Certainly above-mentioned deficiency present in prior art.
The technical scheme is that and be achieved in that:
The gate of the improved method of a kind of extra-high head fixed wheel gate of the present invention is forward and reverse all to be adopted
With three margin positions, to reduce the deformation of gate, and rock before and after preventing gate, reduce under gate
The safety that vibration during Men, beneficially gate run；The upstream face both sides of gate and top
Reversely supporting is set, forward supporting is set in the back side both sides of gate and top；Meanwhile, lock
Door upstream face arrange from inside to outside one pressurising " mountain " type and together with p-type water seal, increase by one
Sealing defence line, desirably prevents to leak；Gate internode is with bolts, reduces Site Welding
Workload and the difficulty of postwelding defect elimination, to ensure gate installation quality；Reversely supporting slide block uses
Panel arranges bearing support mode with at bulkhead gate centrage overlapping positions, with fixed wheel device
Install without interfering, to reduce the installation difficulty reversely supporting slide block.
The extra-high head fixed wheel gate constituted according to preceding method, including the lock being positioned at gate slot
Door；The upstream face both sides of gate and top are provided with one group and reversely support slide block, the downstream face of gate
Both sides and top are provided with one group of forward supporting fixed wheel；The upstream face of gate is provided with together from the inside to the outside
Pressurising " mountain " type water seal with together with p-type water seal.
In aforementioned extra-high head fixed wheel gate, described gate is made up of more piece, and gate is at girder
Merogenesis；Girder is connected through bolt by two points of lobe girders of making symmetrical above and below；Divide lobe girder by a left side
The front flange plate of right symmetry, web and rear flange plate are welded to form.
In aforementioned extra-high head fixed wheel gate, described web by side column connecting plate, middle connecting plate and
Support plate is welded to form；Web and dividing plate intersection are symmetrical arranged reinforcing plate；During support plate is positioned at
The back side and centrage that connecting plate intersects with dividing plate are corresponding with dividing plate centrage；Side column connecting plate,
Join auger shell keyhole between middle connecting plate and support plate, wherein have the articulation hole no less than 3%；Limit
The bevelling transition of post connecting plate is welded with middle connecting plate；Side column connecting plate and support plate contact site
Position polish.
In aforementioned extra-high head fixed wheel gate, arrange inside described " mountain " type water seal and upwarp pressing plate；
In aforementioned extra-high head fixed wheel gate, described reverse supporting slide block props up with fixed wheel on panel
Hold and at centrage overlapping positions, bearing support is set；Bearing support is by supporting faceplate, support webs and props up
Board forms.
In aforementioned extra-high head fixed wheel gate, the edge of a wing after the bottom margin of gate is provided with dividing plate,
After dividing plate, the ribs trailing edge of the edge of a wing and bottom seal apron piece is in the same plane；Bottom seal props up
The ribs lower rear edge holding girder uses arc transition；Bottom seal root edge uses oval cross section.
In aforementioned extra-high head fixed wheel gate, described p-type water seal is provided with for supporting and
Spacing L-type support plate, L-type support plate is threadeded with gate by dormant bolt.
Owing to have employed technique scheme, the present invention compared with prior art, gate of the present invention
Upstream face both sides and top reversely supporting is set, back side both sides and top arrange forward and prop up
Holding, gate slot arranges the track corresponding with forward and reverse bearing position and upstream and downstream arrange high breastwork,
Be conducive to gate enter aperture section time the most spacing, forward and reverse all use three margin positions reduce locks
The deformation of door and rocking before and after can preventing gate, preferably reduces shaking during gate Xiamen
Dynamic, that beneficially gate runs safety.Gate upstream arranges one pressurising " mountain " from inside to outside
Type with together with p-type water seal, increase by one sealing defence line, desirably prevent to leak, and " mountain "
Inside type water seal arrange upwarp pressing plate effectively prevent water seal under effect of water pressure to inner side deform
Excessive.It is arranged on girder at gate merogenesis, two points of lobe girders of making symmetrical above and below passes through
Bolt is formed by connecting, and is conducive to arranging bulkhead gate, and reduces Site Welding workload and postwelding
The difficulty of defect elimination, advantageously ensures that gate installation quality.Point lobe girder web plate by side column connecting plate,
Middle connecting plate and support plate are welded to form, the thickness of side column connecting plate and middle connecting plate and support plate
Thickness sum identical, support plate is arranged on the back side that middle connecting plate intersects with dividing plate, it is considered to spiral shell
Tethering and connect, only side column connecting plate and support plate contact site needs polish, and remaining position is without essence
Processing, effectively reduces polish workload.Reversely supporting slide block uses and props up with fixed wheel on panel
Hold the bearing support mode that arranges at centrage overlapping positions, install without interfering with fixed wheel device, reduce
The installation difficulty of reverse supporting slide block.After gate root edge uses dividing plate, the edge of a wing supports with bottom seal
In the same plane, bottom seal root edge uses oval cross section, ellipse short shaft to girder reinforcing plate trailing edge
Radius takes 10mm, and bottom seal apron piece reinforcing plate lower rear edge uses arc transition, has
It is beneficial to gate root edge and goes out stream, reduce current disorderly, reduce the vibration of gate root edge, beneficially gate
The safety run.P-type water seal arranges L-type support plate and supports and spacing, uses dormant bolt spiral shell
Stricture of vagina fastens, it is simple to install.So, the present invention not only has that structural stability is good, installs easily
Advantage, but also there is good seal performance, length in service life, process and construct the easiest
Advantage.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the structural representation of gate upstream face；
Fig. 4 is the upward view of Fig. 3；
Fig. 5 is the B-B sectional view of Fig. 3；
Fig. 6 is the structural representation of gate downstream face；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the C-C sectional view of Fig. 6；
Fig. 9 is the side view of Fig. 6；
Figure 10 is the D-D sectional view of Fig. 6；
Figure 11 is the partial enlarged drawing in Fig. 6 at E；
Figure 12 is the partial enlarged drawing in Figure 10 at G；
Figure 13 is the partial enlarged drawing in Figure 10 at F；
Figure 14 is the partial enlarged drawing in Figure 10 at H.
Figure is labeled as: 1-gate slot, 2-gate, 3-reversely support slide block, the supporting of 4-forward is determined
Wheel, 5-track, 6-height breastwork, 7-pressurising " mountain " type water seal, 8-P type water seal, 9-girder,
10-divides before lobe girder, 11-bolt, 12-flange plate, 15-after flange plate, 13-web, 14-
Connecting plate, 17-support plate, 18-dividing plate, 19-reinforcing plate, 20-in side column connecting plate, 16-
Bolt hole, 21-bevelling, 22-upwarp pressing plate, 23-panel, 24-bearing support, 25-supporting
The edge of a wing, the supporting of 29-bottom seal after panel, 26-support webs, 27-support plate, 28-dividing plate
Girder, 30-ribs, 31-bottom seal, 32-oval cross section, 33-L type support plate, 34-
Dormant bolt.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings, but not as
Any limitation of the invention.
The gate of the improved method of a kind of extra-high head fixed wheel gate of the present invention is forward and reverse all to be adopted
With three margin positions, to reduce the deformation of gate, and rock before and after preventing gate, reduce under gate
The safety that vibration during Men, beneficially gate run；The upstream face both sides of gate and top
Reversely supporting is set, forward supporting is set in the back side both sides of gate and top；Meanwhile, lock
Door upstream face arrange from inside to outside one pressurising " mountain " type and together with p-type water seal, increase by one
Sealing defence line, desirably prevents to leak；Gate internode is with bolts, reduces Site Welding
Workload and the difficulty of postwelding defect elimination, to ensure gate installation quality；Reversely supporting slide block uses
Panel arranges bearing support mode with at bulkhead gate centrage overlapping positions, with fixed wheel device
Install without interfering, to reduce the installation difficulty reversely supporting slide block.
According to the one extra-high head fixed wheel gate of the present invention that said method is constituted, such as Fig. 1-3
Shown in, including the gate 2 being positioned at gate slot 1；The upstream face both sides of gate 2 and top are provided with
One group reversely supports slide block 3, and the downstream face both sides of gate 2 and top are provided with one group of forward supporting
Fixed wheel 4；The upstream face of gate 2 is provided with one pressurising " mountain " type water seal 7 and from the inside to the outside
Road p-type water seal 8.As shown in Fig. 6,10,12, gate 2 is made up of more piece, and gate 2 exists
Merogenesis at girder 9；Girder 9 by two points of lobe girders 10 of making symmetrical above and below through bolt 11
Connect；Divide lobe girder 10 by symmetrical front flange plate 12, web 13 and rear flange plate
14 are welded to form.As shown in Fig. 6,8,10,11, web 13 by side column connecting plate 15,
Middle connecting plate 16 and support plate 17 are welded to form；Web 13 sets with dividing plate 18 intersection symmetry
Put reinforcing plate 19；Support plate 17 be positioned at the back side that middle connecting plate 16 intersects with dividing plate 18 and in
Heart line is corresponding with dividing plate centrage；Side column connecting plate 15, middle connecting plate 16 and support plate 17
Between join auger shell keyhole 20, wherein have the articulation hole no less than 3%；Falling of side column connecting plate 15
Oblique angle 21 transition is welded with middle connecting plate 16；Side column connecting plate 15 and support plate 17 contact site
Position polish.As shown in figure 13, inside " mountain " type water seal 7, setting upwarps pressing plate 22.As
Shown in Fig. 3,5,9, reversely supporting slide block 3 on panel 23 with bulkhead gate centrage weight
Close position and bearing support 24 is set；Bearing support 24 by supporting faceplate 25, support webs 26 and
Support plate 27 forms.Such as Figure 10, shown in 14, gate 2 root edge uses the edge of a wing after dividing plate
28 with ribs 30 trailing edge of bottom seal apron piece 29 in the same plane；Bottom seal props up
Ribs 30 lower rear edge holding girder 29 uses arc transition；Bottom seal 31 root edge uses
Oval cross section 32.As shown in figure 13, p-type water seal 8 arranges L-type support plate 33 and supports and limit
Position, uses dormant bolt 34 screw threads for fastening.
Embodiment
This example arranges fixed wheel gate 2 in gate slot 1.The upstream face both sides of fixed wheel gate 2 and top
Portion arranges reversely supporting slide block 3, and back side both sides and top arrange forward supporting fixed wheel device 4；
The track 5 corresponding with forward and reverse bearing position is set in gate slot 1 and upstream and downstream arrange high breast
Wall 6；Gate 2 upstream arrange from inside to outside one pressurising " mountain " type water seal 7 with together with P
Type water seal 8；Gate 2 is merogenesis on girder 9；At merogenesis, girder 9 is by making symmetrical above and below
Two points of lobe girders 10 are formed by connecting by bolt 11；Divide lobe girder 10 by symmetrical making
Front flange plate 12, web 13 and rear flange plate 14 be welded to form；Web 13 is by side column even
Fishplate bar 15, middle connecting plate 16 and support plate 17 are welded to form；Web 13 and dividing plate 18 phase
Reinforcing plate 19 it is symmetrical arranged at friendship；Support plate 17 is positioned at middle connecting plate 16 and intersects with dividing plate 18
The back side and centrage corresponding with dividing plate centrage；Side column connecting plate 15, middle connecting plate 16 and
Join auger shell keyhole 20 between support plate 17, wherein have the articulation hole no less than 3%；Side column connects
Plate 15 bevelling 21 transition is welded with middle connecting plate 16；Side column connecting plate 15 and support plate
17 contact site polish；Arrange inside " mountain " type water seal 7 and upwarp pressing plate 22；Reversely supporting
Slide block 3 arranges bearing support 24 with at bulkhead gate centrage overlapping positions on panel 23；?
Bolster 24 is made up of supporting faceplate 25, support webs 26 and support plate 27；At gate 2
Bottom margin install the edge of a wing 28 after dividing plate, make the edge of a wing 28 after dividing plate little with bottom seal supporting
Ribs 30 trailing edge of beam 29 is in the same plane；The ribs of bottom seal apron piece 29
30 lower rear edge use arc transition；Bottom seal 31 root edge uses oval cross section 32；At P
Install for supporting and spacing L-type support plate 33 in type water seal 8, by L-type support plate
33 are threadeded with gate by dormant bolt 34.
Claims (8)
1. the improved method of an extra-high head fixed wheel gate, it is characterised in that: the method
Gate is forward and reverse all uses three margin positions, to reduce the deformation of gate, and prevents rolling before and after gate
Dynamic, reduce the safety that the vibration during gate Xiamen, beneficially gate run；Meeting of gate
Water surface both sides and top arrange reversely supporting, arrange forward in the back side both sides of gate and top
Supporting；Meanwhile, gate upstream face arrange from inside to outside one pressurising " mountain " type with together with P
Type water seal, increases by one sealing defence line, desirably prevents to leak；Gate internode uses bolt even
Connect, reduce Site Welding workload and the difficulty of postwelding defect elimination, to ensure gate installation quality；
Reversely supporting slide block uses and arranges supporting with at bulkhead gate centrage overlapping positions on panel
Frame mode, installs without interfering with fixed wheel device, to reduce the installation difficulty reversely supporting slide block.
2. the extra-high head fixed wheel gate that method is constituted according to claim 1, bag
Include the gate (2) being positioned at gate slot (1)；It is characterized in that: the upstream face two of gate (2)
Side and top are provided with one group and reversely support slide block (3), the downstream face both sides of gate (2) and top
Portion is provided with one group of forward supporting fixed wheel (4)；The upstream face of gate (2) is provided with one from the inside to the outside
Road pressurising " mountain " type water seal (7) and p-type water seal together (8).
The most extra-high head fixed wheel gate, it is characterised in that: described
Gate (2) is made up of more piece, and gate (2) is at girder (9) place merogenesis；Girder (9) by
Two points of lobe girders (10) of making symmetrical above and below connect through bolt (11)；Divide lobe girder (10)
By symmetrical front flange plate (12), web (13) and rear flange plate (14) welding group
Become.
The most extra-high head fixed wheel gate, it is characterised in that: described
Web (13) is welded by side column connecting plate (15), middle connecting plate (16) and support plate (17)
Connect composition；Web (13) and dividing plate (18) intersection are symmetrical arranged reinforcing plate (19)；?
Board (17) be positioned at the back side that middle connecting plate (16) intersects with dividing plate (18) and centrage with
Dividing plate centrage is corresponding；Side column connecting plate (15), middle connecting plate (16) and support plate (17)
Between join auger shell keyhole (20), wherein have the articulation hole no less than 3%；Side column connecting plate (15)
Bevelling (21) transition weld with middle connecting plate (16)；Side column connecting plate (15) and
Board (17) contact site polish.
The most extra-high head fixed wheel gate, it is characterised in that: in institute
State to be provided with inside " mountain " type water seal (7) and upwarp pressing plate (22)；
The most extra-high head fixed wheel gate, it is characterised in that: described
Reversely support slide block (3) above to set at bulkhead gate centrage overlapping positions at panel (23)
It is equipped with bearing support (24)；Bearing support (24) is by supporting faceplate (25), support webs (26)
And support plate (27) composition.
The most extra-high head fixed wheel gate, it is characterised in that: at lock
The bottom margin of door (2) is provided with the edge of a wing (28) after dividing plate, the edge of a wing (28) and bottom water after dividing plate
Ribs (30) trailing edge of envelope apron piece (29) is in the same plane；Bottom seal supporting is little
Ribs (30) lower rear edge of beam (29) uses arc transition；Bottom seal (31) root edge
Use oval cross section (32).
The most extra-high head fixed wheel gate, it is characterised in that: in institute
State and be provided with in p-type water seal (8) for supporting and spacing L-type support plate (33), L-type
Support plate (33) is threadeded with gate by dormant bolt (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573328.1A CN106012985B (en) | 2016-07-21 | 2016-07-21 | A kind of improved method and fixed wheel gate of extra-high head fixed wheel gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573328.1A CN106012985B (en) | 2016-07-21 | 2016-07-21 | A kind of improved method and fixed wheel gate of extra-high head fixed wheel gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106012985A true CN106012985A (en) | 2016-10-12 |
| CN106012985B CN106012985B (en) | 2018-03-27 |
Family
ID=57116846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610573328.1A Active CN106012985B (en) | 2016-07-21 | 2016-07-21 | A kind of improved method and fixed wheel gate of extra-high head fixed wheel gate |
Country Status (1)
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| CN (1) | CN106012985B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964923A (en) * | 2017-12-05 | 2018-04-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of improved method and structure of sluice gate down-the-hole plane emergency gate |
| CN108532561A (en) * | 2018-06-08 | 2018-09-14 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of microstome monoblock cast plane fixed wheel main gate |
| CN109183733A (en) * | 2018-10-17 | 2019-01-11 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of water seal arrangement of extra-high differential water pressures plane gate |
| CN109356130A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of locking means and device of tailrace tunnel bulkhead gate |
| CN109356109A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of bidirectionally limited device of plane gate |
| CN109537539A (en) * | 2018-10-17 | 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 improved method and device of high water head gates of segmental shape top seal |
| CN107964923B (en) * | 2017-12-05 | 2024-05-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of sluice down-the-hole plane accident gate |
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| CN206034383U (en) * | 2016-07-21 | 2017-03-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Extra -high -speed flood peak fixed wheel gate |
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| CN2440058Y (en) * | 1999-05-11 | 2001-07-25 | 刘刊 | Lintel water-stopping structure of arc-shaped sluice gate |
| JP2001040644A (en) * | 1999-07-30 | 2001-02-13 | Japan Atom Energy Res Inst | Split gate head differential-pressure double-sided seal structure and split gate having the seal structure |
| EP1389653A1 (en) * | 2002-08-13 | 2004-02-18 | Rouby Industrie | Operation device for mechanisms associated to locks and for flow control of rivers |
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| CN206034383U (en) * | 2016-07-21 | 2017-03-22 | 中国电建集团贵阳勘测设计研究院有限公司 | Extra -high -speed flood peak fixed wheel gate |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964923A (en) * | 2017-12-05 | 2018-04-27 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of improved method and structure of sluice gate down-the-hole plane emergency gate |
| CN107964923B (en) * | 2017-12-05 | 2024-05-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of sluice down-the-hole plane accident gate |
| CN108532561A (en) * | 2018-06-08 | 2018-09-14 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of microstome monoblock cast plane fixed wheel main gate |
| CN108532561B (en) * | 2018-06-08 | 2024-04-26 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-hole integral casting plane fixed wheel working gate |
| CN109183733A (en) * | 2018-10-17 | 2019-01-11 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of water seal arrangement of extra-high differential water pressures plane gate |
| CN109537539A (en) * | 2018-10-17 | 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 improved method and device of high water head gates of segmental shape top seal |
| CN109356130A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of locking means and device of tailrace tunnel bulkhead gate |
| CN109356109A (en) * | 2018-12-10 | 2019-02-19 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of bidirectionally limited device of plane gate |
| CN109356130B (en) * | 2018-12-10 | 2023-11-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Locking method and device for tail water tunnel overhaul gate |
| CN109356109B (en) * | 2018-12-10 | 2024-02-13 | 中国电建集团贵阳勘测设计研究院有限公司 | Bidirectional limiting device of plane gate |
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| CN106012985B (en) | 2018-03-27 |
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