CN110700202A - Down-the-hole arc door bottom water seal device arranged on overflow weir - Google Patents
Down-the-hole arc door bottom water seal device arranged on overflow weir Download PDFInfo
- Publication number
- CN110700202A CN110700202A CN201910987366.5A CN201910987366A CN110700202A CN 110700202 A CN110700202 A CN 110700202A CN 201910987366 A CN201910987366 A CN 201910987366A CN 110700202 A CN110700202 A CN 110700202A
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- China
- Prior art keywords
- water seal
- bottom water
- shaped
- overflow weir
- arc door
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000003825 pressing Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
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
- E02B7/40—Swinging or turning gates
- E02B7/42—Gates of segmental or sector-like shape with horizontal axis
-
- 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
- E02B7/52—Equipment preventing vibration of 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a bottom water seal device of a down-the-hole arc door arranged on an overflow weir, which comprises a down-the-hole arc door panel and an overflow weir curved surface, wherein a bottom water seal supporting plate with an inverted L-shaped folding groove is fixedly arranged at the bottom edge end part of the downstream side of the down-the-hole arc door panel, the tangent line at the intersection of the down-the-hole arc door panel and the overflow weir curved surface is vertical to the bottom water seal supporting plate with the inverted L-shaped folding groove, an I-shaped horizontal beam is fixedly arranged on the down-the-hole arc door panel, and a downstream side groove is arranged on the bottom water seal supporting plate with the inverted L-shaped folding. According to the invention, the strip-shaped round-head water seal is fixed by double nuts, so that the strip-shaped round-head water seal device is prevented from falling off under the impact load of water flow; the upper part of the bottom water seal device is provided with the I-shaped horizontal beam, so that the rigidity of the down-the-hole radial gate panel is effectively enhanced, the vibration of the bottom edge of the gate during operation is favorably reduced, and the safety of the gate during operation is ensured.
Description
Technical Field
The invention relates to the technical field of metal structures of hydraulic and hydroelectric engineering, in particular to a down-the-hole arc door bottom water seal device arranged on an overflow weir.
Background
For down-the-hole arc doors, because the top lintel of the gate slot is provided with a top water seal device, in order to prevent interference with the normal operation of the gate, a bottom water seal device is generally arranged on the bottom edge of the downstream side gate.
The invention patent (105421303B) applied by the research institute of noble Yang survey of China Electricity-building group Limited discloses an improved method and structure of a radial gate bottom water seal, wherein the bottom water seal is arranged on the bottom edge of the downstream side of a gate, the bottom edge of the gate adopts a vertical arrangement mode, and the bottom edge of the gate is of a triangular structure formed by a panel, a small cross beam and a vertical plate so as to enhance the rigidity of the gate and improve the stability of the gate; the supporting plate is arranged on the vertical plate, the upper end part of the bottom water seal is limited through the supporting plate, and the bottom water seal is fixed through the water seal pressing plate; the bottom water seal is vertically arranged to prevent water flow from impacting the bottom edge of the gate, and the anti-vibration performance of the gate is improved. According to the scheme, the bottom edge of the gate is in a vertical arrangement mode, and the bottom water seal is in close contact with the bottom sill along the gravity direction, so that the water stopping effect of the gate is enhanced. The triangular structure that panel, little crossbeam and vertical board are constituteed, stability is good, is favorable to strengthening gate rigidity. Effectively preventing water flow from impacting the bottom edge of the gate and being beneficial to the anti-vibration of the gate.
An invention patent (107663850A) applied by Guiyang survey design research institute, Inc. of China Electrical construction group discloses an improved method and structure of a bottom water seal of a down-the-hole arc door, wherein a water stop base is added at the bottom edge of the down-the-hole arc door; and an inverted L-shaped notch is formed in the downstream surface of the water stop base, and the bottom water seal is vertically fixed in the inverted L-shaped notch of the water stop base through the bottom water seal pressing plate and the screws, so that the bottom water seal is in close contact with the bottom sill of the down-the-hole arc door along the gravity direction, and the water stop effect of the gate is enhanced. The water stop base is of a solid structure, and has the advantages of high rigidity, good stability and good vibration resistance of the down-the-hole radial gate; the bottom water seal is arranged on the bottom water stop base, the size of the cross section of a pressing plate of the bottom water seal can be determined according to the structural requirement, the influence of the bottom edge of the gate and the bottom sill is avoided, the bottom water seal is convenient to install and is firmly fixed; the bottom cross beam is provided with a long circular manhole, so that the vertical secondary beam and the bottom cross beam can be conveniently welded.
Although the prior art improves the water seal device at the bottom of the down-the-hole arc door to a certain extent, the following problems are not considered: because the traditional down-the-hole arc door is a flat bottom weir, the bottom water seal is generally supported and limited by a strip-shaped plate or channel steel arranged at the bottom edge of the downstream of a panel, the bottom water seal head of the type is uniformly contacted with a plane bottom sill, the water stopping effect is good, but for the down-the-hole arc door arranged at an overflow weir, the bottom water seal needs to extend out a longer distance than the panel to be contacted with the bottom sill, the section length of the traditional strip-shaped water seal cannot meet the use requirement generally, a non-strip-shaped water seal with a longer section is needed, and the water seal is easy to overturn due to the fact that the longer support and the lower support of the section length are not uniformly contacted with the overflow weir, so that the bottom water seal is invalid and leaks, the prior art is not perfect, and the water seal.
Disclosure of Invention
The invention aims to solve the defects that the bottom water seal is ineffective and leaks water and the like due to uneven contact between the bottom water seal and an overflow weir caused by poor supporting limit in the prior art, and provides a down-the-hole arc door bottom water seal device arranged on the overflow weir.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a set up in down-the-hole radial gate bottom water seal arrangement of overflow weir, includes down-the-hole radial gate panel, overflow weir curved surface, the bottom edge tip fixed mounting of the downstream side of down-the-hole radial gate panel has the bottom water seal bearing plate of area hem groove of falling L, the tangent line of the crossing department of down-the-hole radial gate panel and overflow weir curved surface is mutually perpendicular with the bottom water seal bearing plate of area hem groove of falling L, fixed mounting has I type horizontal beam on the down-the-hole radial gate panel, the downstream side groove has been seted up on the bottom water seal bearing plate of area hem groove of falling L, fixed mounting has strip type button head water seal on the downstream side inslot wall, just be provided with the clamp plate in the downstream side groove, the clamp plate is through two nut bolt fixed connection on the bottom water seal bearing plate of area.
Preferably, longitudinal partition plates are fixedly arranged among the I-shaped horizontal beam, the inverted-L-shaped bottom water seal supporting plate with the flanging groove and the down-the-hole arc door panel.
Preferably, reinforcing plates are arranged between the I-shaped horizontal beam and the inverted-L bottom water seal supporting plate with the flanging groove at equal intervals, and the reinforcing plates are fixedly installed on the down-the-hole arc door panel.
Preferably, the inverted L-shaped bottom water seal supporting plate with the flanging groove is formed by welding a front long vertical plate, a transverse plate and a rear short vertical plate.
Preferably, the included angle a of a tangent line at the intersection of the front long vertical plate and the curved surface of the overflow weir is 80-100 degrees.
Compared with the prior art, the invention has the beneficial effects that:
the bottom water seal of the down-the-hole radial gate panel is arranged in approximate vertical contact with the curved surface of the overflow weir, is uniformly compressed and closely contacted, and is favorable for enhancing the water stopping effect; the bottom water seal is arranged in a side groove of a bottom water seal supporting plate with an inverted L-shaped flanging groove, and only a longitudinal partition plate is arranged at the upper part of the bottom water seal supporting plate with the inverted L-shaped flanging groove, so that the operation space is large, double-nut bolts are convenient to install, the pressing plate can be embedded in the groove and is convenient to install and limit, and the water flow impact load borne by the pressing plate can be transmitted to the submerged hole arc door panel through the double-nut bolts and the bottom water seal supporting plate with the inverted L-shaped flanging groove; the strip-shaped round-head water seal is fixed by double-nut bolts, so that the strip-shaped round-head water seal device is prevented from falling off under the impact load of water flow; the upper part of the bottom water seal device is provided with the I-shaped horizontal beam, so that the rigidity of the down-the-hole radial gate panel is effectively enhanced, the vibration of the bottom edge of the gate during operation is favorably reduced, and the safety of the gate during operation is ensured.
Drawings
FIG. 1 is a schematic view of an embodiment of a down-the-hole radial gate bottom water sealing device provided on an overflow weir according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is view B of FIG. 2;
FIG. 4 is a schematic structural view of a bottom water seal support plate with an inverted L-shaped folded edge groove of a bottom water seal device of a down-the-hole radial gate arranged on an overflow weir according to the present invention;
fig. 5 is a cross-sectional view C-C of fig. 4.
Description of reference numerals: the structure comprises the following components, by weight, 1-a down-the-hole arc door panel, 2-an overflow weir curved surface, 3-an inverted L-shaped bottom water seal supporting plate with a flanging groove, 4-an I-shaped horizontal beam, 5-a longitudinal partition plate, 6-a downstream side groove, 7-a strip-shaped round head water seal, 8-a pressing plate, 9-double-nut bolts, 10-a reinforcing plate, 11-a front long vertical plate, 12-a transverse plate and 13-a rear short vertical plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the hidden-hole arc door comprises a hidden-hole arc door panel 1, an overflow weir curved surface 2, a front long vertical plate 11, a transverse plate 12 and a rear short vertical plate 13, wherein a bottom water seal supporting plate 3 with an inverted-L-shaped folded edge groove is fixedly installed at the end part of the bottom edge of the downstream side of the hidden-hole arc door panel 1, the tangent line of the intersection of the hidden-hole arc door panel 1 and the overflow weir curved surface 2 is perpendicular to the bottom water seal supporting plate 3 with the inverted-L-shaped folded edge groove, an I-shaped horizontal beam 4 is fixedly installed on the hidden-hole arc door panel 1, a downstream side groove 6 is formed in the bottom water seal supporting plate 3 with the inverted-L-shaped folded edge groove, a strip-shaped round-head water seal 7 is fixedly installed on the inner wall of the downstream side groove 6, a pressing plate 8 is arranged in the downstream side; a longitudinal clapboard 5 is fixedly arranged among the I-shaped horizontal beam 4, the inverted L-shaped bottom water seal supporting plate 3 with the edge folding groove and the down-the-hole arc door panel 1; reinforcing plates 10 are arranged between the I-shaped horizontal beam 4 and the inverted-L-shaped bottom water seal supporting plate 3 with the flanging groove at equal intervals, and the reinforcing plates 10 are fixedly arranged on the down-the-hole arc door panel 1; the inverted L-shaped bottom water seal supporting plate 3 with the flanging groove is formed by welding a front long vertical plate 11, a transverse plate 12 and a rear short vertical plate 13; the included angle a of the tangent line at the intersection of the front long vertical plate 11 and the curved surface 2 of the overflow weir is 80-100 degrees.
In the invention, the bottom water seal of the down-the-hole arc door panel 1 is arranged in approximately vertical contact with the curved surface 2 of the overflow weir, is uniformly compressed and closely contacted, and is beneficial to enhancing the water stop effect; the bottom water seal is arranged in a downstream side groove 6 of a bottom water seal supporting plate 3 with an inverted L-shaped folded edge groove, and only a longitudinal partition plate 5 is arranged at the upper part of the bottom water seal supporting plate 3 with the inverted L-shaped folded edge groove, so that the operation space is large, a double-nut bolt 9 is convenient to install, a pressing plate 8 can be embedded into the groove, the installation and the limiting are convenient, and the water impact load borne by the pressing plate 8 can be transmitted to the submerged arc door panel 1 through the double-nut bolt 9 and the bottom water seal supporting plate 3 with the inverted L-shaped folded edge groove; the strip-shaped round-head water seal 7 is fixed by double-nut bolts 9, so that the strip-shaped round-head water seal 7 is prevented from falling off under the impact load of water flow; the I-shaped horizontal beam 4 is arranged at the upper part of the bottom water seal device, so that the rigidity of the down-the-hole radial gate panel 1 is effectively enhanced, the vibration of the bottom edge of the gate in operation is favorably reduced, and the safety of the gate in operation is ensured.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. A submerged hole arc door bottom water seal device arranged on an overflow weir comprises a submerged hole arc door panel (1), an overflow weir curved surface (2), a front long vertical plate (11), a transverse plate (12) and a rear short vertical plate (13), and is characterized in that a bottom edge end part of the downstream side of the submerged hole arc door panel (1) is fixedly provided with a bottom water seal supporting plate (3) with an inverted L-shaped folded edge groove, a tangent line at the intersection of the submerged hole arc door panel (1) and the overflow weir curved surface (2) is mutually vertical to the bottom water seal supporting plate (3) with the inverted L-shaped folded edge groove, an I-shaped horizontal beam (4) is fixedly arranged on the submerged hole arc door panel (1), a downstream side groove (6) is arranged on the bottom water seal supporting plate (3) with the inverted L-shaped folded edge groove, and a strip-shaped round-head water seal (7) is fixedly arranged on the inner wall of the downstream side groove (6), and a pressing plate (8) is arranged in the downstream side groove (6), and the pressing plate (8) is fixedly connected to the bottom water seal supporting plate (3) with the inverted L-shaped folded edge groove through double-nut bolts (9).
2. The bottom water seal device of a down-the-hole radial gate arranged on an overflow weir according to claim 1, characterized in that a longitudinal partition (5) is fixedly arranged among the I-shaped horizontal beam (4), the inverted L-shaped bottom water seal support plate (3) with the edge folding groove and the down-the-hole radial gate panel (1).
3. The bottom water seal device of a down-the-hole radial gate arranged on an overflow weir according to claim 1, characterized in that reinforcing plates (10) are arranged between the I-shaped horizontal beam (4) and the inverted L-shaped bottom water seal supporting plate (3) with the edge folding groove at equal intervals, and the reinforcing plates (10) are fixedly arranged on the down-the-hole radial gate panel (1).
4. The bottom water seal device of a down-the-hole radial gate arranged on an overflow weir of claim 1, characterized in that the bottom water seal support plate (3) with the reverse L-shaped folded edge groove is formed by welding a front long vertical plate (11), a transverse plate (12) and a rear short vertical plate (13).
5. The submerged hole arc-door bottom water-sealing device arranged on the overflow weir of claim 4, characterized in that the included angle a of the tangent line at the intersection of the front long vertical plate (11) and the curved surface (2) of the overflow weir is 80-100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987366.5A CN110700202A (en) | 2019-10-17 | 2019-10-17 | Down-the-hole arc door bottom water seal device arranged on overflow weir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910987366.5A CN110700202A (en) | 2019-10-17 | 2019-10-17 | Down-the-hole arc door bottom water seal device arranged on overflow weir |
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| Publication Number | Publication Date |
|---|---|
| CN110700202A true CN110700202A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910987366.5A Pending CN110700202A (en) | 2019-10-17 | 2019-10-17 | Down-the-hole arc door bottom water seal device arranged on overflow weir |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990015902A1 (en) * | 1989-06-21 | 1990-12-27 | Waterschap Kromme Rijn | Threshold construction for a tilting weir |
| EP1270822A2 (en) * | 2001-06-27 | 2003-01-02 | Floecksmühle Energietechnik GmbH | Membrane weir |
| JP2013023834A (en) * | 2011-07-15 | 2013-02-04 | Kaisei Kogyo Kk | Backflow prevention gate |
| CN107130566A (en) * | 2017-06-19 | 2017-09-05 | 中国电建集团贵阳勘测设计研究院有限公司 | Small-opening integrally-cast down-the-hole arc door |
| WO2017181549A1 (en) * | 2016-04-18 | 2017-10-26 | 朱小涛 | Radial gate of hydropower station |
| CN107574794A (en) * | 2017-10-11 | 2018-01-12 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of down-the-hole arc door side rail |
| CN107663850A (en) * | 2017-11-03 | 2018-02-06 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of bottom water seal of down-the-hole arc door |
| CN207314295U (en) * | 2017-10-11 | 2018-05-04 | 中国电建集团贵阳勘测设计研究院有限公司 | Structure of down-the-hole arc door side rail |
| CN108049376A (en) * | 2017-12-05 | 2018-05-18 | 中国电建集团贵阳勘测设计研究院有限公司 | Improved method and structure of bottom water seal of surface hole arc door |
| CN207452858U (en) * | 2017-11-03 | 2018-06-05 | 中国电建集团贵阳勘测设计研究院有限公司 | Down-the-hole arc door bottom water seal structure |
| CN211498769U (en) * | 2019-10-17 | 2020-09-15 | 中国电建集团贵阳勘测设计研究院有限公司 | Down-the-hole arc door bottom water seal device arranged on overflow weir |
-
2019
- 2019-10-17 CN CN201910987366.5A patent/CN110700202A/en active Pending
Patent Citations (11)
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|---|---|---|---|---|
| WO1990015902A1 (en) * | 1989-06-21 | 1990-12-27 | Waterschap Kromme Rijn | Threshold construction for a tilting weir |
| EP1270822A2 (en) * | 2001-06-27 | 2003-01-02 | Floecksmühle Energietechnik GmbH | Membrane weir |
| JP2013023834A (en) * | 2011-07-15 | 2013-02-04 | Kaisei Kogyo Kk | Backflow prevention gate |
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| CN211498769U (en) * | 2019-10-17 | 2020-09-15 | 中国电建集团贵阳勘测设计研究院有限公司 | Down-the-hole arc door bottom water seal device arranged on overflow weir |
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|---|
| 李代莪, 钟启汕: "飞来峡水利枢纽溢流坝闸门设计的主要问题", 人民珠江, no. 06, 25 December 1999 (1999-12-25) * |
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