CN109403286A - Plugging device for gate slot of tailrace access - Google Patents
Plugging device for gate slot of tailrace access Download PDFInfo
- Publication number
- CN109403286A CN109403286A CN201811506498.3A CN201811506498A CN109403286A CN 109403286 A CN109403286 A CN 109403286A CN 201811506498 A CN201811506498 A CN 201811506498A CN 109403286 A CN109403286 A CN 109403286A
- Authority
- CN
- China
- Prior art keywords
- water
- gate
- steel frame
- cover plate
- plate assembly
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 239000002390 adhesive tape Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 2
- 238000007689 inspection Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002791 soaking Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a plugging device for a gate slot of a tail water hole maintenance gate, which comprises a steel frame arranged at the opening of an operation platform in the gate slot and a cover plate assembly for plugging; the cross section of the steel frame is L-shaped, the top surface of a bottom plate of the L-shaped is a water seal surface, the water seal surface is provided with a water seal seat plate, the inner side surface of the L-shaped is a connecting surface with the cover plate assembly, and the connecting surface is provided with a group of hinged supports uniformly distributed along the steel frame; the hinged support is connected with the cover plate assembly through a pin shaft; the water seal assembly on the bottom surface of the cover plate assembly is tightly attached to the water seal seat plate on the steel frame, so that after the downstream water level exceeds the normal tail water level and reaches the height of the operating platform and above, water overflows from the bottom of the operating platform. According to the invention, after the downstream water level of the tail water hole outlet exceeds the normal tail water level and reaches the height of the maintenance platform or above, water cannot gush out from the top of the gate slot, the gate locking is not influenced by the fluctuation of the tail water hole water level, the gate cannot be soaked in water, the gate locking safety is effectively ensured, and the corrosion speed of the gate is reduced.
Description
Technical field
The present invention relates to a kind of plugging devices of tailrace tunnel bulkhead gate slot, belong to hydraulic and hydroelectric engineering metal structure technology neck
Domain.
Background technique
Currently, some engineerings excavate the limitation of difficulty and construction investment, tail based on tailrace tunnel for tailrace tunnel bulkhead gate
Water hole inspection platform and opening and closing platform height setting are lower, and usually latched position only exists in normal tailwater level or more, tail water to gate
After the hole outlet level of tail water reaches inspection platform elevation or more more than normal tailwater level, in gate meeting soaking water, and traditional lock
Door is using simply-support locking beam locking, and only two sides side column is fixed the gate of this kind locking pattern, in tailrace tunnel water-level fluctuation
Gate, which can shake topple, when larger causes engineering accident, causes damages, so, existing technical level is still
It is incomplete, it needs to be further improved.
Summary of the invention
The purpose of the present invention is to provide a kind of plugging devices of tailrace tunnel bulkhead gate slot, in tailrace tunnel outlet downstream
Water level is more than after normal tailwater level reaches inspection platform elevation or more, and water body will not be gushed out at the top of gate slot, and gate lock is not
It is influenced by tailrace tunnel water-level fluctuation, gate will not be in soaking water, and effective guarantee gate lock reduces gate while safe
Corrosion rate, thus overcome the deficiencies in the prior art.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of plugging device of tailrace tunnel bulkhead gate slot of the invention, the steel frame including being located at operating platform notch in gate slot
With the cover plate assembly for closure；The cross sectional shape of steel frame is L-type, and the plate top surface of L-type is water sealing cover, and water sealing cover is equipped with water
Seat board is sealed, the medial surface of L-type is the joint face with cover plate assembly, and joint face is equipped with the one group free bearing uniformly distributed along steel frame；Hinge
Seat is connect through pin shaft with cover plate assembly；The water-sealed component of cover plate assembly bottom surface is fitted closely with the water seal seat board on steel frame and is prevented
The level of tail water is more than after normal tailwater level reaches inspection platform elevation or more, and water overflows upper operating platform from bottom.
In aforementioned device, the cover plate assembly includes panel；Panel top surface and steel frame weld；Steel lattice are equipped in steel frame
Structure support；The height of steel latticework support is lower than the height of steel frame；Steel frame uses i-beam structure；The web outer rim of steel frame
Hinge plate equipped with one group for connecting with free bearing, the rear wing plate top surface of steel frame both ends top beam are respectively equipped with lifting lug, and lifting lug is sold
Telescopic rod one end of axis and hydraulic press is hinged；Cylinder body one end of hydraulic press and tail water side lock wall are hinged；Steel frame both ends top beam
Rear fender medial surface is equipped with the gate fixed plate for fixed gate；When gate is located on cover plate assembly, gate fixed plate
It is fixedly connected through bolt with gate connecting plate.
In aforementioned device, the pin shaft that the hinge plate of the steel frame is connect with free bearing is equipped with anti-back slot, is equipped in anti-back slot
Only axillare, only axillare is fixedly connected through bolt with free bearing.
In aforementioned device, the steel latticework support is welded into vertical and horizontal staggered latticed by one group of crossbeam and one group of vertical beam
Component；Steel latticework supports bottom to be plane and weld with panel.
In aforementioned device, the water-sealed component of the cover plate assembly bottom surface includes water seal adhesive tape, and water seal adhesive tape is along panel bottom surface
Edge rectangular arrangement, the cross sectional shape top surface of water seal adhesive tape are that intermediate protrusion both sides are smooth, and bottom surface is the Ω type shape of plane；Water
Seal strip is connect through bolt and pressing plate with panel；External support plate and interior support plate are equipped between panel and water seal adhesive tape bottom surface；
There are water-filling cavity between interior external support plate, water-filling cavity is communicated through the water body among the linked hole and panel on interior support plate
Constitute pressurized type sealing structure for water.
By adopting the above-described technical solution, compared with prior art, the present invention tailrace tunnel bulkhead gate of the invention (with
Lower abbreviation gate) gate slot at the top of using pin shaft radial type cover plate assembly seal, disassembly and it is easy to assembly, under tail water hole outlet
Swimming position is more than after normal tailwater level reaches inspection platform elevation or more, and water body will not be gushed out at the top of gate slot, gate lock
It is not influenced by tailrace tunnel water-level fluctuation, and will not be in soaking water, effective guarantee gate lock reduces its rust while safe
Lose speed；Cover plate assembly is sealed equipped with water-sealed component, and sealing seat board uses stainless steel, and water seal adhesive tape contacts good with sealing seat board
It is good, and the higher water seal of head contacts closer with sealing seat board, water seal water-stagnating effect is good；Cover board is steel-frame structure, steel framework
It is equipped with steel latticework inside frame to support, and gate connecting plate and gate fixed plate are linked into an integrated entity by bolt, gate storage side
Just, fix reliable and be not take up tailrace tunnel planar dimension, effectively reduce the excavated volume of tailrace tunnel and save investment；Cover board group
Part is opened and closed by hydraulic press, gate operation when, first remove gate connecting plate with after the bolt of gate fixed plate pass through open
Hull closure removes gate, then removes the pin shaft on hydraulic press opposite and two sides cover plate assembly, can be made by hydraulic press contraction
Cover plate assembly is rotated to plumbness, and gate can be put into gate slot, because cover plate assembly is operated using dedicated hydraulic press, is relatively adopted
It is easy to operate with gadget, effectively increase the efficiency of gate operation；Gate connecting plate is located at gate fixed plate top, is convenient for
Gate is removed and is placed inside cover plate assembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cover plate assembly open state of the present invention；
Fig. 2 is the structural schematic diagram of cover plate assembly closed state of the present invention；
Fig. 3 is the structural schematic diagram of cover plate assembly；
Fig. 4 is the structural schematic diagram of steel frame；
Fig. 5 is the structural schematic diagram of water-sealed component.
The label in accompanying drawing is: 1- gate, 2- gate slot, 3- steel frame, 4- water seal seat board, 5- free bearing, 6- cover plate assembly, 7-
Pin shaft, 8- panel, 9- operating platform, 10- stop axillare, 11- crossbeam, 12- vertical beam, 13- hinge plate, 14- steel frame, 15- steel latticework
Support plate in support, 16- water seal adhesive tape, 17- pressing plate, 18- gate fixed plate, 19- external support plate, 20-, 21- gate connecting plate,
22- lifting lug, 23- tail water side lock wall, 24- hydraulic press, 25- water-sealed component, 26- water-filling cavity, 27- bolt, 28- linked hole.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
A kind of plugging device of tailrace tunnel bulkhead gate slot of the invention, as shown in fig. 1~fig. 5: the device includes being located at
The steel frame 3 of 9 notch of operating platform and the cover plate assembly 6 for closure in gate slot 2；The cross sectional shape of steel frame 3 is L-type, L-type
Plate top surface be water sealing cover, water sealing cover be equipped with water seal seat board 4, the medial surface of L-type is the joint face with cover plate assembly 6, connection
Face is equipped with the one group free bearing 5 uniformly distributed along steel frame 3；Free bearing 5 is connect through pin shaft 7 with cover plate assembly 6；6 bottom surface of cover plate assembly
It is more than that reach operation flat for normal tailwater level that water seal seat board 4 on water-sealed component 25 and steel frame 3, which fits closely and prevents the level of tail water,
After 9 elevation of platform or more, water overflows upper operating platform 9 from bottom.
Cover plate assembly 6 includes panel 8；8 top surface of panel and steel frame 14 weld；Steel latticework is equipped in steel frame 14 to support
15；The height of steel latticework support 15 is lower than the height of steel frame 14；Steel frame 14 uses i-beam structure；The web of steel frame 14
Outer rim is equipped with one group of hinge plate 13 for connecting with free bearing 5, and the rear wing plate top surface of 14 both ends top beam of steel frame is respectively equipped with lifting lug
22, lifting lug 22 is hinged through pin shaft 7 and telescopic rod one end of hydraulic press 24；Cylinder body one end of hydraulic press 24 and tail water side lock wall 23 are cut with scissors
It connects；The rear fender medial surface of 14 both ends top beam of steel frame is equipped with the gate fixed plate 18 for fixed gate 1；When gate 1 is located
When on cover plate assembly 6, gate fixed plate 18 is fixedly connected through bolt 27 with gate connecting plate 21.
The pin shaft 7 that the hinge plate 13 of steel frame 14 is connect with free bearing 5 is equipped with anti-back slot, and only axillare 10 is equipped in anti-back slot,
Only axillare 10 is fixedly connected through bolt 27 with free bearing 5.
The vertical and horizontal staggered grid elements that steel latticework support 15 is welded by one group of crossbeam 11 and one group of vertical beam 12；Steel lattice
Structure supports 15 bottoms to be plane and weld with panel 8.
The water-sealed component 25 of 6 bottom surface of cover plate assembly includes water seal adhesive tape 16, and water seal adhesive tape 16 is along 8 bottom edge rectangle of panel
Arrangement, the cross sectional shape top surface of water seal adhesive tape 16 are that intermediate protrusion both sides are smooth, and bottom surface is the Ω type shape of plane；Water seal adhesive tape
16 connect through bolt 27 and pressing plate 17 with panel 8；External support plate 19 and Nei Zhi are equipped between 16 bottom surface of panel 8 and water seal adhesive tape
Board 20；There are water-filling cavity 26 between interior external support plate, water-filling cavity 26 through on interior support plate 20 linked hole 28 and face
Water body among plate 8, which communicates, constitutes pressurized type sealing structure for water.
Embodiment
The steel frame 3 of sunk type arrangement is arranged in this example at the top of the gate slot 2 of tailrace tunnel bulkhead gate, and 3 bottom surface of steel frame is set
The water seal seat board 4 of rectangular arrangement is set, the setting of 3 side of steel frame is arranged symmetrically free bearing 5, and free bearing 5 is connect with cover plate assembly 6.Cover board
Component 6 is connect with free bearing 5 by pin shaft 7；Cover plate assembly 6 includes steel frame 14；14 inner dimensions of steel frame are greater than 1 shape of gate
Size；Steel latticework support 15 is equipped with inside steel frame 14；Steel latticework support 15 is welded by crossbeam 11 and vertical beam 12.Most upstream
The crossbeam 11 of side is corresponding with gate bottom seal position；11 position of vertical beam at closest 14 both ends of steel frame and gate bottom support panel
Position is corresponding；The top surface at 14 both ends of steel frame is welded with gate fixed plate 18；It is symmetrically arranged on the outside of the both sides column web of gate 1
Gate connecting plate 21；6 both ends of cover plate assembly are welded with lifting lug 22 close to the position of gate fixed plate 18, lifting lug 22 through pin shaft 7 with
Hydraulic press 24 on tail water side lock wall 23 is hinged；The panel 8 of cover plate assembly 6 is arranged downward, and 8 lower part of panel is equipped with and water seal seat board
The corresponding water-sealed component 25 in 4 positions；Water-sealed component 25 includes water seal adhesive tape 16, and water seal adhesive tape 16 is solid by pressing plate 17 and bolt 27
It is scheduled on panel 8；16 center line of water seal adhesive tape is arranged along the web center line of steel frame 14.Water seal adhesive tape 16 and panel 8 it
Between be equipped with external support plate 19 and interior support plate 20；There are water-filling cavitys 26 between inside and outside support plate；Interior support plate 20 is equipped with connection
Through-hole 28；Water-filling cavity 26 is communicated through linked hole 28 with the water body of 6 bottom of cover plate assembly.It is corresponding with 5 position of free bearing simultaneously to cut with scissors plate 13
It is connected using pin shaft 7；Axillare 10 is fixed by bolt 27 and only for pin shaft 7.When gate 1 is stored, it is placed in the steel framework of cover plate assembly 6
In the steel latticework support 15 of frame 14, and gate connecting plate 21 and gate fixed plate 18 are linked into an integrated entity by bolt 27；Gate 1
When operation, first removes gate connecting plate 21 and moved gate 1 by mobile opening and closing device with after the bolt 27 of gate fixed plate 18
It removes, then removes the pin shaft 7 on 24 opposite of hydraulic press and two sides cover plate assembly 6,6 component of cover board can be made by the contraction of hydraulic press 24
Rotation to plumbness, gate 1 can be operated by mobile opening and closing device and be put into gate slot 2.
The present invention is more than water body after normal tailwater level reaches inspection platform elevation or more in tailrace tunnel outlet downstream water level
It will not gush out at the top of the gate slot, gate lock is not influenced by tailrace tunnel water-level fluctuation, and gate will not be in soaking water, effective guarantee
The corrosion rate of gate is reduced while gate lock is safe.
Claims (5)
1. a kind of plugging device of tailrace tunnel bulkhead gate slot, it is characterised in that: including being located at gate slot (2) interior operating platform (9)
The steel frame (3) of notch and cover plate assembly (6) for closure；The cross sectional shape of steel frame (3) is L-type, the plate top surface of L-type
For water sealing cover, water sealing cover is equipped with water seal seat board (4), and the medial surface of L-type is the joint face with cover plate assembly (6), is set on joint face
There is the one group free bearing (5) uniformly distributed along steel frame (3)；Free bearing (5) is connect through pin shaft (7) with cover plate assembly (6)；Cover plate assembly (6)
It is more than normal tail water that the water-sealed component (25) and the water seal seat board (4) on steel frame (3) of bottom surface, which fit closely and prevent the level of tail water,
After position reaches operating platform (9) elevation or more, water is unrestrained upper operating platform (9) from bottom.
2. the plugging device of tailrace tunnel bulkhead gate slot according to claim 1, it is characterised in that: the cover plate assembly (6)
Including panel (8)；Panel (8) top surface and steel frame (14) are welded；Steel latticework support (15) is equipped in steel frame (14)；Steel latticework
The height of (15) is supported to be lower than the height of steel frame (14)；Steel frame (14) uses i-beam structure；The web of steel frame (14)
Outer rim is equipped with one group of hinge plate (13) for connecting with free bearing (5), and the rear wing plate top surface of steel frame (14) both ends top beam is set respectively
Have lifting lug (22), lifting lug (22) is hinged through pin shaft (7) and telescopic rod one end of hydraulic press (24)；Cylinder body one end of hydraulic press (24)
It is hinged with tail water side lock wall (23)；The rear fender medial surface of steel frame (14) both ends top beam is equipped with the lock for fixed gate (1)
Door fixed plate (18)；When gate (1) is located on cover plate assembly (6), gate fixed plate (18) connects through bolt (27) and gate
Fishplate bar (21) is fixedly connected.
3. the plugging device of tailrace tunnel bulkhead gate slot according to claim 2, it is characterised in that: the steel frame (14)
The pin shaft (7) that hinge plate (13) is connect with free bearing (5) is equipped with anti-back slot, is equipped in anti-back slot only axillare (10), only axillare (10)
It is fixedly connected through bolt (27) with free bearing (5).
4. the plugging device of tailrace tunnel bulkhead gate slot according to claim 2, it is characterised in that: the steel latticework support
(15) the vertical and horizontal staggered grid elements being welded by one group of crossbeam (11) and one group of vertical beam (12)；Steel latticework supports (15) bottom
Portion is plane and welds with panel (8).
5. the plugging device of tailrace tunnel bulkhead gate slot according to claim 2, it is characterised in that: the cover plate assembly (6)
The water-sealed component (25) of bottom surface includes water seal adhesive tape (16), and water seal adhesive tape (16) is along panel (8) bottom edge rectangular arrangement, water seal
The cross sectional shape top surface of adhesive tape (16) is that intermediate protrusion both sides are smooth, and bottom surface is the Ω type shape of plane；Water seal adhesive tape (16) warp
Bolt (27) and pressing plate (17) are connect with panel (8)；External support plate is equipped between panel (8) and water seal adhesive tape (16) bottom surface
(19) and interior support plate (20)；There are water-filling cavity (26) between interior external support plate, and water-filling cavity (26) is through interior support plate
(20) linked hole (28) on is communicated with the water body among panel (8) constitutes pressurized type sealing structure for water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506498.3A CN109403286A (en) | 2018-12-10 | 2018-12-10 | Plugging device for gate slot of tailrace access |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506498.3A CN109403286A (en) | 2018-12-10 | 2018-12-10 | Plugging device for gate slot of tailrace access |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109403286A true CN109403286A (en) | 2019-03-01 |
Family
ID=65458265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811506498.3A Pending CN109403286A (en) | 2018-12-10 | 2018-12-10 | Plugging device for gate slot of tailrace access |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109403286A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101006879B1 (en) * | 2010-06-30 | 2011-01-12 | 경신가동보(주) | Water leakage prevention apparatus for side of movable weir |
| CN205804294U (en) * | 2016-07-10 | 2016-12-14 | 中国电建集团贵阳勘测设计研究院有限公司 | High water pressure difference gate sealing device |
| CN108677889A (en) * | 2018-07-16 | 2018-10-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for plugging gate well head and hinged cover plate used in method |
| CN209307979U (en) * | 2018-12-10 | 2019-08-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Plugging device for gate slot of tailrace access |
-
2018
- 2018-12-10 CN CN201811506498.3A patent/CN109403286A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101006879B1 (en) * | 2010-06-30 | 2011-01-12 | 경신가동보(주) | Water leakage prevention apparatus for side of movable weir |
| CN205804294U (en) * | 2016-07-10 | 2016-12-14 | 中国电建集团贵阳勘测设计研究院有限公司 | High water pressure difference gate sealing device |
| CN108677889A (en) * | 2018-07-16 | 2018-10-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Method for plugging gate well head and hinged cover plate used in method |
| CN209307979U (en) * | 2018-12-10 | 2019-08-27 | 中国电建集团贵阳勘测设计研究院有限公司 | Plugging device for gate slot of tailrace access |
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