CN105951687A - Improved method and device for high water pressure difference gate sealing - Google Patents
Improved method and device for high water pressure difference gate sealing Download PDFInfo
- Publication number
- CN105951687A CN105951687A CN201610536208.4A CN201610536208A CN105951687A CN 105951687 A CN105951687 A CN 105951687A CN 201610536208 A CN201610536208 A CN 201610536208A CN 105951687 A CN105951687 A CN 105951687A
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- Prior art keywords
- water seal
- water
- seal
- rubber layer
- gate
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Classifications
-
- 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)
- Sealing Devices (AREA)
Abstract
The invention discloses an improved method and a device for high water pressure difference gate sealing. The improved method and the device are characterized in that the section of a water seal is in a blunt-nosed epsilon shape and is of a dual-layer structure; one protruded surface of the water seal is a soft rubber layer, and the other surface of the water seal is a hard rubber layer; a U-shaped cavity is formed in an interface between the soft rubber layer and the hard rubber layer; a water inlet hole is formed in one side of the U-shaped cavity and communicates with an upstream water body or a downstream water body; by means of the upstream water body or the downstream water body entering the U-shaped cavity, the soft rubber layer of the water seal generates expansive deformation deflecting towards the downstream direction, a round head of the water seal is enabled to tightly extrude the surface of a water seal sitting board, thereby improving the sealing effect of the water seal; and for preventing excessive deformation of the head of the water seal, a warping boss is arranged at a position, close to the head of the water seal, of a water seal inner pressing plate, and the condition of water leakage due to creepage of a water seal head caused by excessive deformation of the head of the water seal is limited. According to the improved method and the device disclosed by the invention, the technical problem of water leakage due to unclosed contact between the water seal head and the water seal sitting board in a two-side stressed state of a gate is well solved.
Description
Technical field
The present invention relates to improved method and the device of a kind of high differential water pressures gate sealing, belong to Hydraulic and Hydro-Power Engineering metal structure technical field.
Background technology
For gate, generally one side pressured state, and for some height of dam
300m
Reservoir, in safety need, need to be lowered to by the extra-high dam foundation of left and right
200m
Hereinafter, head can be born beyond current single lift lock
160m
Scope, therefore some engineering is taked to arrange flight of locks mode in same layer blowdown system and is born, to solve gate, the problem that head can not be too high, its principle is all to be filled the water body of differing heights after every grade of gate by concora crush water filling system, the water ballast(ing) making every grade of gate bear by concora crush principle is adjusted to two sides pressured state by one side pressured state, reduces the water ballast(ing) that gate bears.
By said method, the water ballast(ing) that gate bears has obtained effective reduction, but routine
P
Type, Ω type and " mountain " type water seal are that outer rim two sides extrudes stress, therefore water seal is extremely difficult to the stagnant water effect of one side low water head artesian condition water seal in the case of the high water head pressure-bearing of two sides, water seal head can be caused to contact with water seal pressing plate and closely drainage not to occur, therefore prior art is the most preferable, awaits the most perfect.
Summary of the invention
It is an object of the invention to, it is provided that the improved method of a kind of high differential water pressures gate sealing and device, contact the technical problem closely do not leaked with water seal seat board because of water seal head solving gate two sides pressured state, thus overcome the deficiencies in the prior art.
The technical scheme is that and be achieved in that:
The water seal cross sectional shape of the improved method of a kind of high differential water pressures gate sealing of the present invention is round end mountain font;Water seal is double-decker, and the one side that water seal is protruded is soft rubber layer, and another side is hard rubber layer;Interface at soft rubber layer with hard rubber layer is provided with
U
Type cavity,
U
Type cavity side is provided with inlet opening, and inlet opening communicates with upstream or downstream water;By entering
U
The upstream of type cavity or downstream water make the soft rubber layer of water seal produce the dilatancy of deflection downstream direction, make the round end of water seal tightly be squeezed in water seal seat board surface, thus improve the sealing effectiveness of water seal;In order to prevent water seal head from producing excessive deformation, install near water seal head position at water seal clip plate and upwarp boss, limit the deformation of water seal head excess, cause water seal head creep failure to be leaked.
According to the one high differential water pressures water gate sealing device of the present invention that said method is constituted, including gate slot and the gate that can slide up and down in gate slot;Antipriming is positioned at the downstream face of gate;The global shape of described antipriming is door type, including two vertically disposed side sealings and a horizontally disposed top seal and connect side sealing and the corner water seal of top seal;Side sealing, top seal and corner water seal all include that bearing is propped up in water seal, and water seal is propped up bearing and is provided with water seal, and water seal is through clip plate, outer plate and is bolted to water seal and props up in bearing;Water seal cross sectional shape is round end mountain font;Water seal is double-decker, and the one side that water seal is protruded is soft rubber layer, and another side is hard rubber layer;Interface at soft rubber layer with hard rubber layer is provided with
U
Type cavity,
U
Type cavity side is provided with the inlet opening communicated with upstream water body or downstream water.
In aforementioned high differential water pressures water gate sealing device, hard rubber layer and the soft rubber layer of described water seal are structure as a whole.
In aforementioned high differential water pressures water gate sealing device, described water seal is propped up bearing and is welded on gate downstream face near dual-side and top margin position.
In aforementioned high differential water pressures water gate sealing device, between described side sealing, top seal and corner water seal, use hot gluing mode bonding.
In aforementioned high differential water pressures water gate sealing device, described clip plate installs near water seal head position and upwarps boss.
In aforementioned high differential water pressures water gate sealing device, described outer plate and clip plate are provided with bolt hole, and bolt uses six side's dormant bolts in countersunk head, and bolt head is sunken in bolt hole.
The round end of aforementioned water seal can be squeezed on the water seal seat board being arranged on gate slot, and is provided with composite rubber-plastic material at the surface location that water seal contacts with water seal seat board.
Owing to have employed technique scheme, compared with prior art, the present invention is arranged on the high differential water pressures water gate sealing device of upstream side for inlet opening to the present invention, and upstream water body is entered within water seal by inlet opening
U
Type cavity, because in upstream side water seal, outside head communicates and area is close, therefore the basic concora crush of upstream side water seal, in the water seal of downstream outside head be upstream and downstream differential water pressures and area close, therefore downstream water seal head compresses to water seal seat board downstream direction, and water seal clip plate arranges by water seal side and upwarps boss and can prevent that water seal head compression laterally is excessive causes water seal head creep failure to be leaked.Being arranged on downstream antipriming for inlet opening, downstream water is entered within water seal by inlet opening
U
Type cavity, because in the water seal of downstream, outside head communicates and area is close, therefore the basic concora crush of downstream water seal, in upstream side water seal outside head be upstream and downstream differential water pressures and area close, therefore upstream side water seal is downstream compressed, and water seal clip plate arranges by water seal side and upwarps boss and can prevent water seal head from causing water seal head to contact with water seal seat board tight and do not leak to inboard compression deformation is excessive.Water-blocking material is made up of matrix hard basic unit two parts of top round end " mountain " type soft formation and lower bands inlet opening, and " mountain " type soft formation is positioned at
U
Type cavity top, beneficially water seal head are shunk, and keep tight with contacting of water seal seat board, strengthen stagnant water effect.Arranging composite rubber-plastic material with water seal seat board at the surface location that water seal contacts, water seal seat board uses stainless steel material, can reduce frictional force when gate runs, and reduce wear extent, effectively protect the water seal arrangement of gate.Water seal, clip plate, outer plate and matrix water seal are propped up bearing and are used sectional making, effectively reduce difficulty of processing and are conducive to transport.Water seal uses hot gluing mode bonding, and asymmetric matrix water seal supporting seated connection head uses welded seal to desirably prevent to leak.
Accompanying drawing explanation
Figure
1
It it is the general illustration of antipriming of the present invention;
Figure
2
It it is figure
1
Top view;
Figure
3
The close-up schematic view of antipriming of the present invention;
Figure
4
It it is figure
3
Cross sectional representation (inlet opening is positioned at downstream water);
Figure
5
It it is figure
3
Cross sectional representation (inlet opening is positioned at upstream water body);
Figure is labeled as:
1-
Gate slot,
2-
Gate,
3-
Antipriming,
4-
Side sealing,
5-
Top seal,
6-
Corner water seal,
7-
Water seal prop up bearing,
8-
Water seal,
9-
Clip plate,
10-
Outer plate,
11-
Bolt,
12-
Soft rubber layer,
13-
Hard rubber layer,
14- U
Type cavity,
15-
Inlet opening,
16-
Water seal seat board,
17-
Upwarp boss,
18-
Bolt hole,
19-
Composite rubber-plastic material,
20-
Upstream water body,
21-
Downstream water.
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 improved method of a kind of high differential water pressures gate sealing of the present invention, such as figure
1-5
Shown in, the water seal of the method
8
Cross sectional shape is round end mountain font;Water seal
8
For double-decker, water seal
8
The one side protruded is soft rubber layer
12
, another side is hard rubber layer
13
;At soft rubber layer
12
With hard rubber layer
13
Interface be provided with
U
Type cavity
14
,
U
Type cavity
14
Side is provided with inlet opening
15
, inlet opening
15
Communicate with upstream or downstream water;By entering
U
Type cavity
14
Upstream or downstream water make water seal
8
Soft rubber layer
12
Produce the dilatancy of deflection downstream direction, make water seal
8
Round end tightly be squeezed in water seal seat board
16
Surface, thus improve the sealing effectiveness of water seal;In order to prevent water seal
8
Head produces excessive deformation, at water seal clip plate
9
Near water seal
8
Head position arranges and upwarps boss
17
, limit water seal
8
Head excess deforms, and causes water seal head creep failure to be leaked.
According to the one high differential water pressures water gate sealing device of the present invention that said method is constituted, such as figure
1-5
Shown in, this device includes gate slot
1
With can be at gate slot
1
The gate inside slided up and down
2
;Antipriming
3
It is positioned at gate
2
Downstream face;Described antipriming
3
Global shape be door type, including two vertically disposed side sealings
4
With a horizontally disposed top seal
5
And connection side sealing
4
And top seal
5
Corner water seal
6
;Side sealing
4
, top seal
5
With corner water seal
6
All include that bearing is propped up in water seal
7
, bearing is propped up in water seal
7
It is provided with water seal
8
, water seal
8
Through clip plate
9
, outer plate
10
And bolt
11
It is fixed on water seal and props up bearing
7
On;Water seal
8
Cross sectional shape is round end mountain font;Water seal
8
For double-decker, water seal
8
The one side protruded is soft rubber layer
12
, another side is hard rubber layer
13
;At soft rubber layer
12
With hard rubber layer
13
Interface be provided with
U
Type cavity
14
,
U
Type cavity
14
Side is provided with the inlet opening communicated with upstream water body or downstream water
15
.Water seal
8
Hard rubber layer
13
With soft rubber layer
12
It is structure as a whole.Bearing is propped up in water seal
7
It is welded on gate
2
Downstream face is near dual-side and top margin position.Side sealing
4
, top seal
5
And corner water seal
6
Between use hot gluing mode bonding.Clip plate
9
Near water seal
8
Head position arranges and upwarps boss
17
.Outer plate
10
And clip plate
9
It is provided with bolt hole
18
, bolt
11
Use six side's dormant bolts in countersunk head, bolt
11
Head is sunken to bolt hole
18
In;Make water seal
8
Round end can be squeezed in and be arranged on gate slot
1
On water seal seat board
16
On, and in water seal
8
With water seal seat board
16
At the surface location of contact, one layer of composite rubber-plastic material is set
19
?.
Embodiment
1
At gate slot
1
One gate is inside set
2
.At gate
2
Downstream is symmetrical arranged the antipriming that gate is arranged
3
, at gate slot
1
Upper setting and antipriming
3
Water seal seat board corresponding to water seal head position
16
.Antipriming
3
Bearing is propped up by the water seal of asymmetric matrix
7
, water seal
8
, clip plate
9
And outer plate
10
Composition.Bearing is propped up in asymmetric matrix water seal
7
It is fixed by welding in gate
2
On, remaining component passes through bolt
11
And asymmetric matrix water seal props up bearing
7
It is fixed on gate
2
On.Water seal
8
For side straps inlet opening
15
Round end " mountain " type water seal, it is internal is arranged
U
Type cavity
14
, inlet opening
15
Approximation spaced set, inlet opening
15
With downstream water
21
Communicate, inlet opening
15
With
U
Type cavity
14
Communicate;Water-blocking material is by top round end " mountain " type soft rubber layer
12
And the hard rubber layer of lower bands inlet opening
13
Two parts form.Water seal
8
With water seal seat board
16
At the surface location of contact, composite rubber-plastic material is set
19
.Water seal
8
By two symmetrical side sealings
4
, a top seal
5
And two symmetrical corner water seals made
6
Composition.
Embodiment
2
At gate slot
1
One gate is inside set
2
.At gate
2
Downstream is symmetrical arranged the antipriming that gate is arranged
3
, at gate slot
1
Upper setting and antipriming
3
Water seal seat board corresponding to water seal head position
16
.Antipriming
3
Bearing is propped up by the water seal of asymmetric matrix
7
, water seal
8
, clip plate
9
And outer plate
10
Composition.Bearing is propped up in asymmetric matrix water seal
7
It is fixed by welding in gate
2
On, remaining component passes through bolt
11
And asymmetric matrix water seal props up bearing
7
It is fixed on gate
2
On.Water seal
8
For side straps inlet opening
15
Round end " mountain " type water seal, it is internal is arranged
U
Type cavity
14
, inlet opening
15
Approximation spaced set, inlet opening
15
With upstream water body
20
Communicate, inlet opening
15
With
U
Type cavity
14
Communicate;Water-blocking material is by top round end " mountain " type soft rubber layer
12
And the hard rubber layer of lower bands inlet opening
13
Two parts form.Water seal
8
With water seal seat board
16
At the surface location of contact, composite rubber-plastic material is set
19
.Water seal
8
By two symmetrical side sealings
4
, a top seal
5
And two symmetrical corner water seals made
6
Composition.
Claims (8)
1. the improved method of one kind high differential water pressures gate sealing, it is characterised in that: the water seal cross sectional shape of the method is round end mountain font;Water seal is double-decker, and the one side that water seal is protruded is soft rubber layer, and another side is hard rubber layer;Interface at soft rubber layer Yu hard rubber layer is provided with U-shaped cavity, and U-shaped cavity side is provided with inlet opening, and inlet opening communicates with upstream or downstream water;Make the soft rubber layer of water seal produce the dilatancy of deflection downstream direction by entering the upstream of U-shaped cavity or downstream water, make the round end of water seal tightly be squeezed in water seal seat board surface, thus improve the sealing effectiveness of water seal;In order to prevent water seal head from producing excessive deformation, install near water seal head position at water seal clip plate and upwarp boss, limit the deformation of water seal head excess, cause water seal head creep failure to be leaked.
2. the high differential water pressures water gate sealing device that method is constituted according to claim 1, including gate slot (1) and the gate (2) that can slide up and down in gate slot (1);Antipriming (3) is positioned at the downstream face of gate (2);It is characterized in that: the global shape of described antipriming (3) is door type, including two vertically disposed side sealings (4) and a horizontally disposed top seal (5) and connect side sealing (4) and the corner water seal (6) of top seal (5);Side sealing (4), top seal (5) and corner water seal (6) all include that bearing (7) is propped up in water seal, water seal is propped up bearing (7) and is provided with water seal (8), and water seal (8) is fixed on water seal through clip plate (9), outer plate (10) and bolt (11) and props up in bearing (7);Water seal (8) cross sectional shape is round end mountain font;Water seal (8) is double-decker, and the one side that water seal (8) is protruded is soft rubber layer (12), and another side is hard rubber layer (13);Interface at soft rubber layer (12) Yu hard rubber layer (13) is provided with U-shaped cavity (14), and U-shaped cavity (14) side is provided with the inlet opening (15) communicated with upstream water body or downstream water.
3. high differential water pressures water gate sealing device described in claim 2, it is characterised in that: hard rubber layer (13) and the soft rubber layer (12) of described water seal (8) are structure as a whole.
4. high differential water pressures water gate sealing device described in claim 2, it is characterised in that: described water seal is propped up bearing (7) and is welded on gate (2) downstream face near dual-side and top margin position.
5. high differential water pressures water gate sealing device described in claim 2, it is characterised in that: use hot gluing mode bonding between described side sealing, top seal and corner water seal.
6. high differential water pressures water gate sealing device described in claim 2, it is characterised in that: described clip plate (9) arranges near water seal (8) head position and upwarps boss (17).
7. high differential water pressures water gate sealing device described in claim 2, it is characterized in that: described outer plate (10) and clip plate (9) are provided with bolt hole (18), bolt (11) uses six side's dormant bolts in countersunk head, and bolt (11) head is sunken in bolt hole (18).
8. high differential water pressures water gate sealing device described in claim 2, it is characterized in that: the round end of described water seal (8) can be squeezed on the water seal seat board (16) being arranged on gate slot (1), and be provided with composite rubber-plastic material (19) at the surface location that water seal (8) contacts with water seal seat board (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610536208.4A CN105951687B (en) | 2016-07-10 | 2016-07-10 | A kind of improved method and device of high differential water pressures gate sealing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610536208.4A CN105951687B (en) | 2016-07-10 | 2016-07-10 | A kind of improved method and device of high differential water pressures gate sealing |
Publications (2)
Publication Number | Publication Date |
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CN105951687A true CN105951687A (en) | 2016-09-21 |
CN105951687B CN105951687B (en) | 2018-09-25 |
Family
ID=56900579
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CN201610536208.4A Active CN105951687B (en) | 2016-07-10 | 2016-07-10 | A kind of improved method and device of high differential water pressures gate sealing |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106592536A (en) * | 2016-11-17 | 2017-04-26 | 安徽艺河智能活动坝科技有限公司 | Water stop device of intelligent movable dam |
CN107725780A (en) * | 2017-11-09 | 2018-02-23 | 昆明纳太科技有限公司 | Pressure difference sealing structure and pressure difference encapsulating method |
CN111455948A (en) * | 2020-05-12 | 2020-07-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Tunnel and gate slot connecting structure |
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JPH03221609A (en) * | 1990-01-26 | 1991-09-30 | Kurimoto Ltd | Water stopping device for high-pressure gate |
JP2001200524A (en) * | 2000-01-19 | 2001-07-27 | Kaisei Kogyo Kk | Gate apparatus for water way |
CN201473930U (en) * | 2009-07-18 | 2010-05-19 | 云峰发电厂 | Flat-plate dam sluice gate sealing device |
CN202090326U (en) * | 2011-05-18 | 2011-12-28 | 江西省水利规划设计院 | Deep-hole radial-gate water-pressure type top watertight device |
CN203346859U (en) * | 2013-07-10 | 2013-12-18 | 大唐陕西发电有限公司 | Water seal device for flood discharge gate |
CN203924372U (en) * | 2014-04-21 | 2014-11-05 | 河北博汇科技开发有限公司 | Compounded rubber hermetic seal band |
-
2016
- 2016-07-10 CN CN201610536208.4A patent/CN105951687B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH03221609A (en) * | 1990-01-26 | 1991-09-30 | Kurimoto Ltd | Water stopping device for high-pressure gate |
JP2001200524A (en) * | 2000-01-19 | 2001-07-27 | Kaisei Kogyo Kk | Gate apparatus for water way |
CN201473930U (en) * | 2009-07-18 | 2010-05-19 | 云峰发电厂 | Flat-plate dam sluice gate sealing device |
CN202090326U (en) * | 2011-05-18 | 2011-12-28 | 江西省水利规划设计院 | Deep-hole radial-gate water-pressure type top watertight device |
CN203346859U (en) * | 2013-07-10 | 2013-12-18 | 大唐陕西发电有限公司 | Water seal device for flood discharge gate |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106592536A (en) * | 2016-11-17 | 2017-04-26 | 安徽艺河智能活动坝科技有限公司 | Water stop device of intelligent movable dam |
CN107725780A (en) * | 2017-11-09 | 2018-02-23 | 昆明纳太科技有限公司 | Pressure difference sealing structure and pressure difference encapsulating method |
CN107725780B (en) * | 2017-11-09 | 2024-04-16 | 昆明纳太科技有限公司 | Differential pressure sealing structure and differential pressure sealing method |
CN111455948A (en) * | 2020-05-12 | 2020-07-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Tunnel and gate slot connecting structure |
Also Published As
Publication number | Publication date |
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CN105951687B (en) | 2018-09-25 |
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