CN209603076U - It is provided with the gravity dam of surface spillways - Google Patents
It is provided with the gravity dam of surface spillways Download PDFInfo
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- CN209603076U CN209603076U CN201821936256.3U CN201821936256U CN209603076U CN 209603076 U CN209603076 U CN 209603076U CN 201821936256 U CN201821936256 U CN 201821936256U CN 209603076 U CN209603076 U CN 209603076U
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- retaining box
- surface spillways
- gravity dam
- spillways
- chamber system
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Abstract
The utility model discloses a kind of gravity dams, especially disclose a kind of gravity dam for being provided with surface spillways, belong to Design of The Hydraulic Structure building technology field.A kind of vibration that can be effectively reduced when gate is locally opened is provided, the reliability of gate is improved and reduces the gravity dam for being provided with surface spillways of the frequency of maintenance of gate.The gravity dam includes gravity dam ontology, and the surface spillways are provided on the gravity dam ontology, and the gravity dam further includes retaining box chamber system, and the surface spillways are opened and closed by the retaining box chamber system；During flood discharge, drained under the cooperation of the retaining box chamber system from the top of the retaining box chamber system in the surface spillways to downstream side by the water flow let out under the surface spillways.
Description
Technical field
The utility model relates to a kind of gravity dams to belong to water more particularly, to a kind of gravity dam for being provided with surface spillways
Work Building Design building technology field.
Background technique
A kind of common flood discharge mode of the table hole as concrete dam has the features such as easy to operate, flood carrying capacity is strong.Usual table
The main gate in hole uses gates of segmental shape, but due to gates of segmental shape self structure, the gate pier fair current of table hole to length compared with
Greatly, wider width at dam crest is needed, the accessory structures such as branch hinge bracket are larger, and cost is relatively high.If using Flat Sluice door shield
Water, widespread practice is that gate upwardly opens at present, and when gate is locally opened, gate bottom overcurrent is easy to cause gate to generate
Excessive vibration, to Jeakage through Sluice Sealant and its structure itself, there are large effects.Therefore, it is necessary to study more modes, both
It can effectively guarantee the aerial drainage reliability in aperture, and project cost can be reduced to.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of vibrations that can be effectively reduced when gate is locally opened
It is dynamic, it improves the reliability of gate and reduces the gravity dam for being provided with surface spillways of the frequency of maintenance of gate.
Used technical solution is to solve above-mentioned technical problem: a kind of gravity dam being provided with surface spillways, including
Gravity dam ontology is provided with the surface spillways on the gravity dam ontology, and the gravity dam further includes retaining box
Chamber system, the surface spillways are opened and closed by the retaining box chamber system；During flood discharge, pass through the flood discharge
The water flow let out under table hole is drained from the top of the retaining box chamber system to downstream side under the cooperation of the retaining box chamber system
In surface spillways.
Further, the retaining box chamber system includes retaining box and storage door room, the storage door room setting is being let out
In the gravity dam ontology of big vast table hole bottom；During flood discharge, the retaining box is moved vertically downwards described in unlatching
Surface spillways, under the water flow let out at the top of the retaining box after moving down excretion into the surface spillways in downstream side.
Pushed up water-bound the preferred mode of the above solution is that being provided at the top of the retaining box, under the water flow let out
Water-bound was pushed up by the door to drain from the top of the retaining box into the surface spillways in downstream side.
Further, the door pushed up letting out for projection and corresponding position of the flow surface of water-bound in its cross section
The shape of big vast table hole bottom plate is adapted, and is provided on the surface spillways bottom plate and was pushed up water-bound shape with the door and mutually fit
The installation groove answered, the door after being displaced downwardly to bottom pushed up water-bound and were located in the installation groove.
The preferred mode of the above solution is that the retaining box chamber system further includes opening and closing device, the retaining box is logical
It crosses the opening and closing device and the surface spillways is closed and opened during raising and lowering.
Further, the opening and closing device is winch hoist.
The preferred mode of the above solution is that it is additionally provided with bearing platform in the bottom of the storage door room, the institute during standard-sized sheet
Retaining box is stated to be supported on the bearing platform.
Further, the retaining box chamber system is the more piece stop log gate system arranged along short transverse sequence,
Each section stop log gate is relative to other stop log gate independent operatings.
The beneficial effects of the utility model are: the application on the flood discharge channel of existing gravity dam by being arranged a retaining box
Chamber system, and open and close the surface spillways by the retaining box chamber system, then during flood discharge, lead to
The water flow let out under the surface spillways is crossed to drain under the cooperation of the retaining box chamber system from the top of the retaining box chamber system
Into the surface spillways in downstream side.In this way, the water flow let out due under is under the cooperation of the retaining box chamber system from the water blocking
The top of lock chamber system is drained into the surface spillways in downstream side, that is, climbed at the top of water blocking brake system gate,
To overcome gate chatter problem caused by when high pressure water flow goes out from bottom flood discharge in the prior art, it ensure that gate in overcurrent
Stabilization in the process and reliable.Flood discharge is avoided on influence caused by Jeakage through Sluice Sealant and its structure itself, improve gate can
By property, the frequency of maintenance of gate is reduced.Further, grasping for construction can also be improved by the improvement to retaining box chamber system
The property made, the subsequent operability used and construction cost is significantly reduced, to adapt to the flood discharge of different brackets engineering.
Detailed description of the invention
Fig. 1 is the main sectional view for the gravity dam that the utility model is provided with surface spillways；
Fig. 2 is the side view of Fig. 1.
In the figure, it is marked as gravity dam ontology 1, surface spillways 2, retaining box chamber system 3, retaining box 4, storage door room 5, flood discharge table
Hole bottom plate 6, door pushed up water-bound 7, installation groove 8, opening and closing device 9, bearing platform 10.
Specific embodiment
A kind of vibration that can be effectively reduced when gate is locally opened as shown in Fig.1 and 2 ... provided by the present invention, mentions
The gravity dam for being provided with surface spillways of the frequency of maintenance of the reliability and reduction gate of high gate.The gravity dam includes weight
Power dam ontology 1 is provided with the surface spillways 2 on the gravity dam ontology 1, and the gravity dam further includes retaining box
Chamber system 3, the surface spillways 2 are opened and closed by the retaining box chamber system 3；During flood discharge, by described
The water flow let out under surface spillways 2 is drained from the top of the retaining box chamber system 3 under under the cooperation of the retaining box chamber system 3
In the surface spillways 2 for swimming side.The application is made by the way that a retaining box chamber system 3 is arranged on the flood discharge channel of existing gravity dam
The surface spillways 2 are opened and closed by the retaining box chamber system 3, then during flood discharge, are let out by described
The water flow let out under big vast table hole 2 is drained from the top of the retaining box chamber system 3 to downstream under the cooperation of the retaining box chamber system 3
In the surface spillways 2 of side.In this way, the water flow let out due under is under the cooperation of the retaining box chamber system 3 from the water blocking lock chamber
The top of system 3 is drained into the surface spillways 2 in downstream side, that is, climbed at the top of 3 gate of water blocking brake system, from
And the problem of overcoming gate chatter caused by when high pressure water flow goes out from the flood discharge of gate bottom in the prior art, it ensure that gate exists
Stabilization in overflow process and reliable.Flood discharge is avoided on influence caused by Jeakage through Sluice Sealant and its structure itself, improves gate
Reliability, reduce the frequency of maintenance of gate.
In above embodiment, in order to improve the operability of gravity dam construction, in subsequent use process to water blocking
Lock chamber system opens and closes the operability that surface spillways 2 open and close and significantly reduces what entire gravity dam was built
Cost, to adapt to the flood discharge of different brackets engineering, retaining box chamber system 3 described herein can at least following two knot
Structure, a kind of structure are that the retaining box chamber system is more piece stop log gate system along short transverse sequence arrangement, Mei Yijie
Stop log gate is relative to other stop log gate independent operatings.In this way, when the rising of the water level of upper river or reservoir area needs flood discharge,
Water flow can be realized from retaining box chamber system in single-unit stop log gate described in only needing to sling by the way that opening and closing device 9 is a section
Drain the purpose into the surface spillways 2 in downstream side in 3 top.But the gate of the retaining box chamber system 3 of this structure passes through
Suitable for large-scale water conservancy Hydraulic Projects, the water that one section Stoplog gate of primary unlatching is let out at present is larger, and is limited to Stoplog gate itself
Design feature, can be more poor to being precisely controlled for upstream water level.
For this purpose, this application provides the retaining box chamber system 3 of another structure, this structure can pass through opening and closing device
Being precisely controlled for upstream water level is realized in lifting.Specifically, include retaining box 4 and storage door room 5 in the retaining box chamber system 3,
The storage door room 5 is arranged in the gravity dam ontology 1 of surface spillways bottom；During flood discharge, the retaining box 4 is along vertical
Direction, which moves down, opens the surface spillways 2, under the water flow let out drain at the top of the retaining box 4 after moving down to downstream side
In surface spillways 2.Meanwhile in order to improve fluidised form when lower sluicing stream climbs over 4 top of retaining box, at the top of the retaining box 4
Be provided with and pushed up water-bound 7, under the water flow let out water-bound 7 pushed up by the door drained from the top of the retaining box 4
Into the surface spillways 2 in downstream side.At this point, it is its flow surface 8 in its cross section that the door, which pushed up the preferred embodiment of water-bound 7,
Projection and corresponding position surface spillways bottom plate 6 shape be adapted, be provided on the surface spillways bottom plate 6 with
The door pushed up the adaptable installation groove 8 of 7 shape of water-bound, and the door after being displaced downwardly to bottom pushed up water-bound 7 positioned at described
In installation groove 8.
It is combined with the prior art, in order to reduce the design, production and manufacture difficulty of task equipment, the water blocking lock chamber
System further includes opening and closing device 9, and the retaining box 4 is opened during raising and lowering by the opening and closing device 9
The surface spillways 2 with closing.The opening and closing device 9 is winch hoist.At the same time, in the storage door room 5
Bottom is additionally provided with bearing platform 10, and the retaining box 4 during standard-sized sheet is supported on the bearing platform 10, to mitigate water blocking
To the damage of opening and closing device 9 in lock operational process, prolong its service life.
Claims (8)
1. a kind of gravity dam for being provided with surface spillways, including gravity dam ontology (1) are set on the gravity dam ontology (1)
It is equipped with the surface spillways (2), it is characterised in that: the gravity dam further includes retaining box chamber system (3), the flood discharge
Table hole (2) is opened and closed by the retaining box chamber system (3)；During flood discharge, by being let out under the surface spillways (2)
Water flow drain letting out to downstream side from the top of the retaining box chamber system (3) under the cooperation of the retaining box chamber system (3)
In big vast table hole (2).
2. the gravity dam according to claim 1 for being provided with surface spillways, it is characterised in that: the retaining box chamber system
It (3) include retaining box (4) room He Chumen (5), the gravity dam ontology (1) of surface spillways bottom is arranged in the storage door room (5)
It is interior；During flood discharge, the retaining box (4) moves vertically downwards opens the surface spillways (2), under the water let out
It flows and drains at the top of the retaining box (4) after moving down into the surface spillways (2) in downstream side.
3. the gravity dam according to claim 2 for being provided with surface spillways, it is characterised in that: in the retaining box (4)
Top, which is provided with, pushed up water-bound (7), under the water flow let out water-bound (7) was pushed up from the retaining box (4) by the door
Top drain into the surface spillways in downstream side (2).
4. the gravity dam according to claim 3 for being provided with surface spillways, it is characterised in that: the door pushed up water-bound
(7) shape of the surface spillways bottom plate (6) of projection and corresponding position of the flow surface in its cross section is adapted, described
Surface spillways bottom plate (6) on be provided with and pushed up the adaptable installation groove (8) of water-bound (7) shape with the door, be displaced downwardly to
Door behind bottom pushed up water-bound (7) and was located in the installation groove (8).
5. being provided with the gravity dam of surface spillways according to any one of claim 2~4, it is characterised in that: described
Retaining box chamber system further includes opening and closing device (9), the retaining box (4) by the opening and closing device (9) rise and under
The surface spillways (2) are closed and opened during drop.
6. the gravity dam according to claim 5 for being provided with surface spillways, it is characterised in that: the opening and closing device (9)
For winch hoist.
7. the gravity dam according to claim 6 for being provided with surface spillways, it is characterised in that: in storage door room (5)
Bottom is additionally provided with bearing platform (10), and the retaining box (4) during standard-sized sheet is supported on the bearing platform (10).
8. the gravity dam according to claim 1 for being provided with surface spillways, it is characterised in that: the retaining box chamber system
For the more piece stop log gate system arranged along short transverse sequence, each section stop log gate is independently transported relative to other stop log gates
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936256.3U CN209603076U (en) | 2018-11-22 | 2018-11-22 | It is provided with the gravity dam of surface spillways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936256.3U CN209603076U (en) | 2018-11-22 | 2018-11-22 | It is provided with the gravity dam of surface spillways |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209603076U true CN209603076U (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821936256.3U Active CN209603076U (en) | 2018-11-22 | 2018-11-22 | It is provided with the gravity dam of surface spillways |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385983A (en) * | 2018-11-22 | 2019-02-26 | 中国电建集团成都勘测设计研究院有限公司 | It is provided with the gravity dam of surface spillways |
-
2018
- 2018-11-22 CN CN201821936256.3U patent/CN209603076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385983A (en) * | 2018-11-22 | 2019-02-26 | 中国电建集团成都勘测设计研究院有限公司 | It is provided with the gravity dam of surface spillways |
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