CN106368184B - A kind of improved method and structure of extra-high head plane gate bottom seal - Google Patents
A kind of improved method and structure of extra-high head plane gate bottom seal Download PDFInfo
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- CN106368184B CN106368184B CN201610992999.1A CN201610992999A CN106368184B CN 106368184 B CN106368184 B CN 106368184B CN 201610992999 A CN201610992999 A CN 201610992999A CN 106368184 B CN106368184 B CN 106368184B
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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
- E02B7/54—Sealings for gates
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Abstract
The invention discloses the improved method and structure of a kind of extra-high head plane gate bottom seal, the present invention is that existing blade type bottom seal is changed to U-shaped bottom water seal；And existing angle steel pressing plate is changed to two blocks of flat clamps；The bottom seal support plate in existing gate panel downstream side is changed to the downstream support plate of L-type simultaneously, and increases the upstream support plate of right-angled trapezium shape in gate panel upstream side；And an inclined plate is welded on the support plate of downstream, inclined plate is welded by transverse slat and gate panel downstream side；Stable triangular beam structure is formed in gate bottom by gate panel, inclined plate and transverse slat, to reinforce gate root edge rigidity, enhances gate antivibration effect, to ensure the safe operation of gate.
Description
Technical field
The present invention relates to the improved methods and structure of a kind of extra-high head plane gate bottom seal, belong to hydraulic and hydroelectric engineering
Gate technical field.
Background technique
For plane gate, general bottom seal uses blade type I130-20 or I110-16 in the prior art, and uses angle steel
It is bolted on after compression on gate root edge panel, gate root edge is by panel, bottom seal support plate, partition and partition rear wing
Edge is welded to form, and angle steel compresses the vertical limb of water seal and panel matches drill bolt hole, and angle steel transverse direction limb is adjacent to bottom seal support plate simultaneously
Match drill bolt hole with it.
The above method is only applicable to conventional head plane bulkhead gate, because of conventional head plane bulkhead gate, water blocking head
Lower, the shrinkage that the water body extruding force upward to its in bottom seal bottom is insufficient to allow water seal upward is more than bottom seal pre compressed magnitude
And leakage phenomenon occurs, in addition, plane bulkhead gate zero defects moves water and closes an operating condition, gate downstream aclinal >=30 ° are required, bottom
Water seal support plate can be enlarged to horizontal direction meets intensity requirement, but in extra-high pressure gate, then has the following problems: 1.
For plane accident or bulkhead gate, in water blocking operating condition, under the effect of extra-high head, the upward shrinkage of water seal will be more than
Bottom seal pre compressed magnitude and leakage phenomenon occurs, induce gate bottom seal occur vibration lead to water seal fatigue rupture and lose sealing
Effect；2. bottom seal platen support is only leaned in bottom seal downstream side, rigidity is poor, and bottom seal is the compression of panel downstream unilateral side, is easy
Extra-high head effect under downstream bending deformation it is excessive cause water seal fail leak, and angle steel need to using laterally and vertical two
Row's bolt is fixed, need to be more with the bolt quantity bored, and processing and manufacturing difficulty is larger；3. for plane emergency gate, because under gate
Trip has inclination angle >=30 ° requirement, and gate bottom seal support plate should not be too large, and otherwise can increase gate uplift force and to will lead to water flow disorderly
Disorderly, induce radial gate vibration, influence gate and close door and structure safety, but bottom seal support plate is undersized, there are structural strength and
Rigidity is weaker, is also easy to induce radial gate vibration under the action of water when closing, there are security risks；So the prior art is not enough
Ideal needs to be further improved.
Summary of the invention
The object of the present invention is to provide the improved method and structure of a kind of extra-high head plane gate bottom seal, with gram
The bottom seal for taking existing gate easily induces the vibration of gate bottom seal under extra-high head to be led to water seal fatigue rupture and loses sealing
The problem of effect, thus overcome the deficiencies in the prior art.
The technical scheme of the present invention is realized as follows:
A kind of improved method of extra-high head plane gate bottom seal of the invention is that this method is by existing blade type bottom
Water seal is changed to U-shaped bottom water seal；And existing angle steel pressing plate is changed to the clamping kit being made of upstream pressing plate and downstream pressing plate；U
The notch of type bottom seal is stuck on gate faces board bottom side, and U-shaped bottom water seal two sides are compressed by upstream pressing plate and downstream pressing plate, and are led to
U-shaped bottom water seal is fixed on by the row's screw bolt and nut crossed through upstream pressing plate, U-shaped bottom water seal, gate panel and downstream pressing plate
On gate faces board bottom edge；While the bottom seal support plate in existing gate panel downstream side being changed to the downstream support plate of L-type, and
The upstream support plate of gate panel upstream side increase right-angled trapezium shape；Downstream support plate and upstream support plate are respectively welded at gate
Panel two sides；And an inclined plate is welded on the support plate of downstream, inclined plate is welded by transverse slat and gate panel downstream side；By gate
Panel, inclined plate and transverse slat form stable triangular beam structure in gate bottom, and to reinforce gate root edge rigidity, enhancing gate is anti-
Vibration effect, to ensure the safe operation of gate.
According to a kind of extra-high head plane gate bottom water seal structure of the invention that the above method is constituted, including gate faces
Plate, gate faces board bottom edge are equipped with U-shaped bottom water seal, and the notch of U-shaped bottom water seal is stuck on the bottom edge of gate panel, U-shaped bottom water seal
Upstream side is equipped with upstream pressing plate, and the downside of U-shaped bottom water seal is equipped with downstream pressing plate；Upstream pressing plate and downstream pressing plate are passed through presses through upstream
Plate, U-shaped bottom water seal, gate faces board bottom edge, downstream pressing plate bolt connection bolt one end be equipped with nut；It is set above the pressing plate of upstream
There are upstream support plate, the upstream side welding of upstream support plate and gate panel；Downstream support plate, downstream are equipped with above the pressing plate of downstream
It welds in the downstream side of support plate and gate panel；The downstream support plate other side and inclined plate weld, the edge of a wing behind inclined plate top and partition
Welding；It is welded between inclined plate and the downstream side of gate panel through transverse slat.
In aforementioned structure, U-shaped bottom water seal lower part outer rim is oval smooth surface, the notch base angle of U-shaped bottom water seal
For filleted corner, fillet radius is 1~10mm；The opening of notch is equipped with outer chamfer, and outer chamfer angle is 45 °, outer chamfer side
For 1~10mm；U-shaped bottom water seal two sides are equipped with row's bolt hole, and the aperture of U-shaped bottom water seal upper bolt hole is less than the diameter of bolt 1
~2mm.
In aforementioned structure, the bolt is tapered dormant bolt.
In aforementioned structure, the thickness of the gate panel is equal with the width of rebate of U-shaped bottom water seal；Gate faces board bottom edge
Two right-angle sides are the outer circle arm of angle, and round radius is corresponding with the fillet radius at notch base angle of U-shaped bottom water seal.
In aforementioned structure, the upstream pressing plate and downstream pressing plate are rectangular cross section；At the top of the rectangular cross section of downstream pressing plate
Two sides be equipped with outer chamfer；Row's bolt hole, upstream and downstream pressing plate and gate panel are equipped on upstream pressing plate and downstream pressing plate
On bolt hole aperture be greater than 1~3mm of the diameter of bolt；The bolt hole of upstream pressing plate upstream side is equipped with Hole chamfering, the angle of Hole chamfering
Degree and depth are corresponding with the shape of bolt head.
In aforementioned structure, the shape of the upstream support plate is right-angled trapezium, right-angled trapezium top through triangle built-up welding with
It welds the upstream side of gate panel.
In aforementioned structure, the shape of the downstream support plate is L shape, the downstream side welding of downstream support plate and gate panel
Undercut slot structure is formed afterwards；The outer right-angle side and inclined plate of downstream support plate weld.Inclined plate is equipped with row's circular hole, and Circularhole diameter is
20~200mm.
By adopting the above-described technical solution, compared with prior art, the present invention the invention has the following beneficial effects:
1, bottom seal support plate is arranged in gate panel upstream and downstream two sides, and U-shaped bottom water seal, U are arranged under bottom seal support plate
The median slot width of type bottom seal is equal with gate plate thickness, and gate faces board bottom side is embedded in the notch of U-shaped bottom water seal, U
Type bottom seal upstream and downstream two sides are fixed on gate faces board bottom edge on using pressing plate and by row's bolt, and half on the one hand can be reduced
Bolt quantity make gate manufacture and installation difficulty be reduced；There is gate panel branch in the notch of another aspect U-shaped bottom water seal
Support, rigidity is larger, has good bearing position-limiting action to water seal, U-shaped bottom water seal sectional dimension is big and outer rim is ellipse-shaped light
It slipping over and crosses, this keeps water seal overall stiffness and sectional dimension larger, under the effect of extra-high head, upward deformation and downstream
Bending deformation is effectively reduced, and leakage phenomenon is not susceptible to, and has good water-stagnating effect.
2, a transverse slat and inclined plate is arranged in the downstream support plate top in U-shaped bottom water seal downstream side and panel composition is subtriangular
Girder construction, stability is good, is conducive to reinforce gate root edge rigidity, enhances gate antivibration effect, be conducive to the safe operation of gate.
3, the downstream support plate in U-shaped bottom water seal downstream side is L-type, with formation undercut slot structure after the welding of gate panel, slot
Lower part bevelling, downstream pressing plate are the rectangular cross section of the symmetrical bevelling of both upper ends thereof, have the advantages that assemble convenient for bottom seal.
4, circular hole is opened in inclined plate lower part, has and is smoothly discharged during the smog for smoothly excluding welding generation during manufacture and operation
Accumulate in panel, crossbeam, between downstream bottom seal support plate and inclined plate the advantages of water body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the partial structural diagram of gate faces board bottom edge；
Fig. 4 is the structural schematic diagram of U-shaped bottom water seal；
Fig. 5 is the structural schematic diagram of upstream pressing plate；
Fig. 6 is the structural schematic diagram of downstream pressing plate.
In the figure, it is marked as 1- gate panel, the water seal of 2- U-shaped bottom, the upstream 3- pressing plate, the downstream 4- pressing plate, 5- bolt, 6- spiral shell
Mother, 7- upstream support plate, 8- downstream support plate, 9- inclined plate, 10- transverse slat, 11- ellipse smooth surface, 12- notch, 13- inner circle
Bolt on angle, 14- outer chamfer, 15- U-shaped bottom water seal upper bolt hole, 16- bull nose, 17- upstream and downstream pressing plate and gate panel
Hole, 18- circular hole, 19- Hole chamfering, 20- blade type bottom seal, 21- bottom seal support plate, 22- angle steel pressing plate, 23- partition.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as to of the invention any
Limitation.
The improved method of a kind of extra-high head plane gate bottom seal of the invention, as shown in Fig. 2, this method is will be existing
Blade type bottom seal 20 be changed to U-shaped bottom water seal 2；And existing angle steel pressing plate 22 is changed to by 4 structure of upstream pressing plate 3 and downstream pressing plate
At clamping kit；The notch 12 of U-shaped bottom water seal 2 is stuck on 1 bottom edge of gate panel, and 2 two sides of U-shaped bottom water seal pass through upstream pressing plate
3 and downstream pressing plate 4 compress, and by through upstream pressing plate 3, U-shaped bottom water seal 2, gate panel 1 and downstream pressing plate 4 row's spiral shell
U-shaped bottom water seal 2 is fixed on 1 root edge of gate panel by bolt 5 and nut 6；Simultaneously by the bottom seal in existing 1 downstream side of gate panel
Support plate 21 is changed to the downstream support plate 8 of L-type, and increases the upstream support plate 7 of right-angled trapezium shape in 1 upstream side of gate panel；
Downstream support plate 8 and upstream support plate 7 are respectively welded at 1 two sides of gate panel；And an inclined plate is welded on downstream support plate 8
9, inclined plate 9 is welded by transverse slat 10 and 1 downstream side of gate panel；By gate panel 1, inclined plate 9 and transverse slat 10 in gate bottom shape
Enhance gate antivibration effect at stable triangular beam structure to reinforce gate root edge rigidity, to ensure the safety fortune of gate
Row.
According to a kind of extra-high head plane gate bottom water seal structure of the invention that the above method is constituted, as shown in Fig. 2, should
Structure includes gate panel 1, and 1 root edge of gate panel is equipped with U-shaped bottom water seal 2, and the notch 12 of U-shaped bottom water seal 2 is stuck in gate panel 1
Bottom edge on, the upstream side of U-shaped bottom water seal 2 is equipped with upstream pressing plate 3, and the downside of U-shaped bottom water seal 2 is equipped with downstream pressing plate 4；Upstream pressure
Plate 3 is connect with the warp of downstream pressing plate 4 through the bolt 5 of upstream pressing plate 3, U-shaped bottom water seal 2,1 root edge of gate panel, downstream pressing plate 4,
5 one end of bolt is equipped with nut 6；Upstream support plate 7, the upstream of upstream support plate 7 and gate panel 1 are equipped with above upstream pressing plate 3
Side welding；Downstream support plate 8, the downstream side welding of downstream support plate 8 and gate panel 1 are equipped with above downstream pressing plate 4；Downstream branch
8 other side of fagging and inclined plate 9 weld, and the edge of a wing is welded behind 9 top of inclined plate and partition 23；The downstream side of inclined plate 9 and gate panel 1 it
Between welded through transverse slat 10.
The U-shaped bottom water seal is as shown in figure 4,2 lower part outer rim of U-shaped bottom water seal is oval smooth surface 11, U-shaped bottom water seal
2 12 base angle of notch is filleted corner 13, and fillet radius is 1~10mm；The opening of notch 12 is equipped with outer chamfer 14, outer chamfer
Angle is 45 °, and outer chamfer side is 1~10mm；2 two sides of U-shaped bottom water seal are equipped with row's bolt hole, U-shaped bottom water seal upper bolt hole
15 aperture is less than 1~2mm of the diameter of bolt.
The gate panel is as shown in figure 3, the thickness of gate panel 1 and 12 width of notch of U-shaped bottom water seal 2 are equal；Lock
Two right-angle sides of 1 root edge of door face board are 16 side of bull nose, the inner circle of round radius and 12 base angle of notch of U-shaped bottom water seal 2
Angular radius is corresponding.
The upstream pressing plate and downstream pressing plate are as shown in Figure 5 and Figure 6, and upstream pressing plate 3 and downstream pressing plate 4 are that rectangle is disconnected
Face；Two sides at the top of the rectangular cross section of downstream pressing plate 4 are equipped with outer chamfer 14；One is equipped on upstream pressing plate 3 and downstream pressing plate 4
Bolt hole is arranged, 17 aperture of bolt hole on upstream and downstream pressing plate and gate panel is greater than 1~3mm of the diameter of bolt；3 upstream of upstream pressing plate
The bolt hole of side is equipped with Hole chamfering 19, and the angle and depth of Hole chamfering 19 are corresponding with the shape of bolt head；Bolt 5 is tapered heavy
Hook bolt.
As shown in Fig. 2, the shape of upstream support plate 7 is right-angled trapezium, right-angled trapezium top is through triangle built-up welding and gate
It welds the upstream side of panel 1.The shape of downstream support plate 8 is L shape, after the downstream side welding of downstream support plate 8 and gate panel 1
Form undercut slot structure；The outer right-angle side and inclined plate 9 of downstream support plate 8 weld.Inclined plate 9 is equipped with row's circular hole 18, circular hole 18
Diameter is 20~200mm.
Embodiment
This example is the improvement to existing gate bottom seal as shown in Figure 1.As seen from Figure 1, the structure of existing gate root edge
Including gate panel 1, the root edge in 1 downstream side of gate panel is welded with bottom seal support plate 21, sets below bottom seal support plate 21
There is blade type bottom seal 20, blade type bottom seal 20 is fixed on 1 downstream side of gate panel by angle steel pressing plate 22, bolt 5 and nut 6
On root edge.The bottom seal of the prior art is only applicable to conventional head plane bulkhead gate, because of conventional head plane bulkhead gate, gear
Water head is lower, and the shrinkage that the water body extruding force upward to its in bottom seal bottom is insufficient to allow water seal upward is more than that bottom seal is pre-
Decrement and leakage phenomenon occurs, in addition, plane bulkhead gate zero defects move water close an operating condition, gate downstream aclinal >=30 °
It is required that bottom seal support plate can be enlarged to horizontal direction meets intensity requirement.
But existing gate bottom seal has the disadvantage that if for extra-high head plane gate
1, for plane accident or bulkhead gate, in water blocking operating condition, under the effect of extra-high head, the upward contraction of water seal
Amount will be more than bottom seal pre compressed magnitude and leakage phenomenon occurs, and inducing the generation vibration of gate bottom seal leads to water seal fatigue rupture
And lose water-stagnating effect；
2, bottom seal platen support is only leaned in bottom seal downstream side, and rigidity is poor, and bottom seal is the compression of panel downstream unilateral side,
Be easy extra-high head act under downstream bending deformation it is excessive cause water seal fail leak, and angle steel need to using laterally and it is perpendicular
It is fixed to two rows of bolts, need to be more with the bolt quantity bored, processing and manufacturing difficulty is larger；
3, for plane emergency gate, because there is inclination angle >=30 ° requirement in gate downstream, gate bottom seal support plate should not mistake
Greatly, it otherwise can increase gate uplift force and will lead to water flow disorder, induce radial gate vibration, influence gate and close door and structure safety,
But bottom seal support plate is undersized, there are structural strength and rigidity are weaker, is also easy to induce lock under the action of water when closing
Door vibration, there are security risks；So the prior art is ideal not enough, need to be further improved.
Improved method of the invention is as follows:
1, upstream support plate 7 and downstream support plate 8 is respectively set in 1 upstream and downstream two sides of gate panel first, in gate faces
U-shaped bottom water seal 2 is set below 1 root edge of plate and upstream support plate 7 and downstream support plate 8, and the notch 12 among U-shaped bottom water seal 2 is wide
Degree is equal with 1 thickness of gate panel, and 1 lower part of gate panel is embedded in the notch 12 among U-shaped bottom water seal 2, in U-shaped bottom water seal 2
It is through gate panel 1 and fixed by nut 6 by row's bolt 5 that upstream pressing plate 3 and downstream pressing plate 4 is respectively adopted in downstream two sides
On gate panel 1, the bolt quantity of half can be reduced in this way, and gate manufacture and installation difficulty is effectively reduced.Separately
Outside, because being panel construction inside 2 bottom seal of U-shaped bottom water seal, rigidity is larger, has good bearing limit to make U-shaped bottom water seal 2
With.
2,2 sectional dimension of U-shaped bottom water seal is greater than existing blade type bottom seal 20.And 2 root edge of U-shaped bottom water seal is ellipse-shaped light
Sliding curved surface 11,2 overall stiffness of U-shaped bottom water seal is big, under the effect of extra-high head, upward deformation and bending deformation downstream
It is smaller, leakage phenomenon should not occur, there is good water-stagnating effect.
3, this example increases a transverse slat 10 and inclined plate 9 on 8 top of downstream support plate in 2 downstream side of U-shaped bottom water seal.Transverse slat
10, inclined plate 9 and 1 bottom of gate panel constitute subtriangular girder construction, and stability is good, are conducive to reinforce gate root edge rigidity,
Enhance gate antivibration effect, is conducive to the safety of gate operation.
Implement according to the following steps when specific implementation:
Upstream support plate 7 and downstream support plate 8 is respectively set in 1 upstream and downstream two sides of gate panel.7 section of upstream support plate
For right-angled trapezium, top is fixed using triangle built-up welding；Downstream support plate 8 is L-type, forms undercut after welding with gate panel 1
Slot structure；Undercut slot structure lower part bevelling；Inclined plate 9 is arranged in support plate 8 rear end in downstream；Inclined plate 9 passes through transverse slat 10 and gate faces
Plate 1 is welded and fixed；It disconnects when transverse slat 10 meets partition 23 and is welded with it；It is arranged below upstream support plate 7 and downstream support plate 8
U-shaped bottom water seal 2；12 width of notch among U-shaped bottom water seal 2 is equal with 1 thickness of gate panel, and notch 12 is stuck in gate panel 1
Root edge upstream and downstream two sides, and fixed after being compressed using upstream pressing plate 3 and downstream pressing plate 4 and gate panel 1 by row's bolt 5；
Upstream pressing plate 3 is rectangular cross section；Downstream pressing plate 4 is the rectangular cross section of the symmetrical bevelling of both upper ends thereof.
2 lower part outer rim of U-shaped bottom water seal is oval smooth surface 11, and inner lower symmetrically falls filleted corner 13, filleted corner 13
Radius R takes 1~10mm；Upper inside symmetrically fall outer chamfer 14；Outer chamfer 14 takes 45 °, and distance d takes 1~10mm；Gate panel 1
Symmetrically bull nose 16,16 radius of bull nose are identical as 13 radius of filleted corner in 2 notch 12 of U-shaped bottom water seal for lower part；U-shaped bottom water
Match drill bolt hole between envelope 2, upstream pressing plate 3, downstream pressing plate 4 and gate panel 1；U-shaped bottom water seal upper bolt hole 15 is less than bolt 5
1~2mm of diameter；17 diameter of bolt hole on upstream and downstream pressing plate and gate panel is greater than 5 1~3mm of diameter of bolt；9 top of inclined plate
It is welded with the edge of a wing after partition 23, circular hole 18 is opened in 9 lower part of inclined plate, and 18 diameter of circular hole is 20~200mm.
Claims (7)
1. a kind of extra-high head plane gate bottom water seal structure, it is characterised in that: including gate panel (1), gate panel (1) bottom
Edge is equipped with U-shaped bottom water seal (2), and the notch (12) of U-shaped bottom water seal (2) is stuck on the bottom edge of gate panel (1), U-shaped bottom water seal (2)
Upstream side be equipped with upstream pressing plate (3), the downside of U-shaped bottom water seal (2) is equipped with downstream pressing plate (4)；Upstream pressing plate (3) and downstream are pressed
Plate (4) is run through upstream pressing plate (3), U-shaped bottom water seal (2), bolt (5) connection of gate panel (1) root edge, downstream pressing plate (4),
Bolt (5) one end is equipped with nut (6)；Upstream support plate (7), upstream support plate (7) and gate faces are equipped with above upstream pressing plate (3)
It welds the upstream side of plate (1)；Downstream support plate (8) are equipped with above downstream pressing plate (4), downstream support plate (8) and gate panel (1)
Downstream side welding；Downstream support plate (8) other side and inclined plate (9) are welded, and the edge of a wing is welded afterwards for inclined plate (9) top and partition (23)
It connects；It is welded between inclined plate (9) and the downstream side of gate panel (1) through transverse slat (10).
2. structure according to claim 1, it is characterised in that: U-shaped bottom water seal (2) the lower part outer rim is the smooth song of ellipse
Face (11), notch (12) base angle of U-shaped bottom water seal (2) are filleted corner (13), and fillet radius is 1~10mm；Notch (12)
Opening is equipped with outer chamfer (14), and outer chamfer angle is 45 °, and outer chamfer side is 1~10mm；U-shaped bottom water seal (2) two sides are equipped with
The aperture of one row's bolt hole, U-shaped bottom water seal upper bolt hole (15) is less than 1~2mm of the diameter of bolt.
3. structure according to claim 1, it is characterised in that: the bolt (5) is tapered dormant bolt.
4. structure according to claim 1, it is characterised in that: the thickness of the gate panel (1) and U-shaped bottom water seal (2)
Notch (12) width is equal；Two right-angle sides of gate panel (1) root edge are bull nose (16) side, round radius and U-shaped bottom
The fillet radius at notch (12) base angle of water seal (2) is corresponding.
5. structure according to claim 1, it is characterised in that: the upstream pressing plate (3) and downstream pressing plate (4) are that rectangle is disconnected
Face；Two sides at the top of the rectangular cross section of downstream pressing plate (4) are equipped with outer chamfer (14)；On upstream pressing plate (3) and downstream pressing plate (4)
It is equipped with row's bolt hole, bolt hole (17) aperture on upstream and downstream pressing plate and gate panel is greater than 1~3mm of the diameter of bolt；On
The bolt hole for swimming pressing plate (3) upstream side is equipped with Hole chamfering (19), the angle and depth and the shape phase of bolt head of Hole chamfering (19)
It is corresponding.
6. structure according to claim 1, it is characterised in that: the shape of the upstream support plate (7) is right-angled trapezium, right angle
Trapezoidal upper is welded through the upstream side of triangle built-up welding and gate panel (1).
7. structure according to claim 1, it is characterised in that: the shape of the downstream support plate (8) is L shape, downstream support
Undercut slot structure is formed after the welding of the downstream side of plate (8) and gate panel (1)；The outer right-angle side and inclined plate of downstream support plate (8)
(9) it welds；Inclined plate (9) is equipped with row's circular hole (18), and circular hole (18) diameter is 20~200mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992999.1A CN106368184B (en) | 2016-11-08 | 2016-11-08 | A kind of improved method and structure of extra-high head plane gate bottom seal |
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|---|---|---|---|
| CN201610992999.1A CN106368184B (en) | 2016-11-08 | 2016-11-08 | A kind of improved method and structure of extra-high head plane gate bottom seal |
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| CN106368184B true CN106368184B (en) | 2018-12-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109137845B (en) * | 2018-06-08 | 2024-04-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-hole integral casting type plane fixed wheel overhaul gate |
| CN112259264B (en) * | 2020-10-20 | 2022-11-29 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Containment and equipment gate connecting device suitable for ocean nuclear power platform |
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| CN206173909U (en) * | 2016-11-08 | 2017-05-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Extra -high -speed flood peak plane gate bottom water seals structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4281942B2 (en) * | 2002-06-28 | 2009-06-17 | 章雄 飯田 | Rolling gate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981002595A1 (en) * | 1980-03-12 | 1981-09-17 | Baker Ham & Co Ltd | Sealing means,primarily for a penstock or sluice gate |
| KR200361765Y1 (en) * | 2004-06-30 | 2004-09-14 | 이명우 | Structure of absorbing the imoact for floodgate |
| CN2761688Y (en) * | 2004-11-30 | 2006-03-01 | 武汉大学 | Extension high water head rubber water seal possessing internal packed rigid plate |
| CN205369180U (en) * | 2016-02-03 | 2016-07-06 | 扬州群益机械有限公司 | Gate bottom stagnant water structure |
| CN206173909U (en) * | 2016-11-08 | 2017-05-17 | 中国电建集团贵阳勘测设计研究院有限公司 | Extra -high -speed flood peak plane gate bottom water seals structure |
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| CN106368184A (en) | 2017-02-01 |
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