CN209429066U - Surface spillways structure for hydraulic and hydroelectric engineering - Google Patents
Surface spillways structure for hydraulic and hydroelectric engineering Download PDFInfo
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- CN209429066U CN209429066U CN201821935814.4U CN201821935814U CN209429066U CN 209429066 U CN209429066 U CN 209429066U CN 201821935814 U CN201821935814 U CN 201821935814U CN 209429066 U CN209429066 U CN 209429066U
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- retaining box
- surface spillways
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- spillways
- hydroelectric engineering
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Abstract
The utility model discloses a kind of surface spillways structures, especially disclose a kind of surface spillways structure for hydraulic and hydroelectric engineering, 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 surface spillways structure for hydraulic and hydroelectric engineering of the frequency of maintenance of gate.The surface spillways structure includes checkdam, surface spillways are provided on the checkdam, the surface spillways structure further includes retaining box chamber system, what the retaining box of the retaining box chamber system was reciprocally moveable along the vertical direction is arranged in surface spillways bottom plate checkdam below, in water blocking process, the surface spillways pass through the retaining box run up and close, and during flood discharge, the surface spillways pass through the retaining box run down and open.
Description
Technical field
The utility model relates to a kind of surface spillways structures, more particularly, to a kind of flood discharge table for hydraulic and hydroelectric engineering
Pore structure belongs to Design of The Hydraulic Structure 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 surface spillways structure for hydraulic and hydroelectric engineering of the frequency of maintenance of gate.
Used technical solution is to solve above-mentioned technical problem: a kind of surface spillways knot for hydraulic and hydroelectric engineering
Structure, including checkdam, are provided with surface spillways on the checkdam, and the surface spillways structure further includes water blocking lock chamber
System, what the retaining box of the retaining box chamber system was reciprocally moveable along the vertical direction is arranged in surface spillways bottom plate gear below
In dam,
In water blocking process, the surface spillways pass through the retaining box run up and close,
During flood discharge, the surface spillways pass through the retaining box run down and open.
Further, the retaining box chamber system further includes storage door room and hydraulic headstock gear, the storage door room with
The adaptable setting of the water blocking gate position is arranged in a vertical direction in surface spillways bottom plate checkdam below in storage door room
The end of the hydraulic push rod of hydraulic headstock gear in the dam body of bottom is connect from the bottom of the retaining box with the retaining box.
The preferred mode of the above solution is that being installed in flood discharge table outside the part of the hydraulic headstock gear removing hydraulic push rod
On checkdam at the top of hole.
Pushed up water-bound further, being provided at the top of the retaining box, under the water flow let out pass through it is described
Door pushed up water-bound and drained from the top of the retaining box into the surface spillways in downstream side.
The preferred mode of the above solution is that the door pushed up projection of the flow surface of water-bound in its cross section and corresponding
The shape of surface spillways bottom plate at position is adapted, and is provided on the surface spillways bottom plate and was pushed up water knot with the door
It is configured the adaptable installation groove of shape, the door after being displaced downwardly to bottom pushed up water-bound and is located in the installation groove.
Further, it is additionally provided with bearing platform in the bottom of the storage door room, the retaining box branch during standard-sized sheet
Support is on the bearing platform.
Further, being additionally provided with guiding gate slot in the dam body of the surface spillways two sides, along the vertical direction back and forth
The part that mobile retaining box removes surface spillways bottom plate or more is oriented to by the guiding gate slot and limit.
Further, the surface spillways are located at projection of the flow surface in retaining box downstream side in its cross section in throwing
Object line is provided with energy dissipating in parabolical end and upwarps structure.
The beneficial effects of the utility model are: the application on existing surface spillways by being arranged a set of water blocking lock chamber system
System, and make that the retaining box of the retaining box chamber system is reciprocally moveable along the vertical direction to be arranged in surface spillways bottom plate below
In checkdam, in this way, the surface spillways can be closed by the retaining box run up, when need when needing water blocking
When wanting flood discharge, the surface spillways can be opened by the retaining box run down.Especially when leaking flood, due to being
Retaining box moves down is gradually opened surface spillways from top to bottom, first lets out the small flood of upper pressure so as to realize, after
And the hydraulic pressure for belonging to middle and upper part, middle part, middle and lower part and lower part flood originally is reduced, guarantee that the hydraulic pressure of the lower stream that sluices is in always
Lower state thereby reduces radial gate vibration caused by the huge hydraulic pressure because of caused by bottom water drain, improves the reliability of gate
With the frequency of maintenance for reducing gate.Further, operating for construction can also be improved by the improvement to retaining box chamber system
Property, 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 checkdam 1, surface spillways 2, retaining box chamber system 3, retaining box 4, surface spillways bottom plate 5, Chu Men
Room 6, hydraulic headstock gear 7, hydraulic push rod 8, door pushed up water-bound 9, installation groove 10, bearing platform 11, guiding gate slot 12, in energy dissipating
Stick up structure 13.
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 surface spillways structure for hydraulic and hydroelectric engineering of the frequency of maintenance of the reliability and reduction gate of high gate.The flood discharge
Table pore structure includes checkdam 1, and surface spillways 2 are provided on the checkdam 1, and the surface spillways structure further includes
Retaining box chamber system 3, what the retaining box 4 of the retaining box chamber system 3 was reciprocally moveable along the vertical direction is arranged in surface spillways
In the checkdam 1 below of bottom plate 5, in water blocking process, the surface spillways 2 pass through the retaining box 4 run up and close, flood discharge
In the process, the surface spillways 2 pass through the retaining box 4 run down and open.The application passes through on existing surface spillways
A set of retaining box chamber system is set, and makes what the retaining box of the retaining box chamber system was reciprocally moveable along the vertical direction to be arranged in
In surface spillways bottom plate checkdam below, in this way, the surface spillways can be by running up when needing water blocking
Retaining box close, when needing flood discharge, the surface spillways can be opened by the retaining box that runs down.Especially
When leaking flood, due to being that retaining box moves down and is gradually opened surface spillways from top to bottom, first let out so as to realize
Pressure small flood in portion's then reduces the hydraulic pressure for belonging to middle and upper part, middle part, middle and lower part and lower part flood originally, lets out under guarantee
The hydraulic pressure of water flow is in lower state always, and gate shakes caused by thereby reducing the huge hydraulic pressure because of caused by bottom water drain
It is dynamic, it improves the reliability of gate and reduces the frequency of maintenance of gate.
In above embodiment, in order to the greatest extent can with guarantee retaining box 4 during flood discharge held stationary, reduce vibration pair
Checkdam and retaining box chamber system itself cause big wound to cut, while the basipetal sequence of realization that again can be absolute sluices,
The retaining box chamber system 3 further includes storing up door room 6 and hydraulic headstock gear 7, the storage door room 6 and 4 position of retaining box
Adaptable setting is arranged in a vertical direction in storage 6 bottom dam body of door room in the checkdam 1 below of surface spillways bottom plate 5
The end of hydraulic push rod 8 of hydraulic headstock gear 7 connect from the bottom of the retaining box 4 with the retaining box 4.Certainly, in order to just
In installation, maintenance and maintenance, but it can preferably realize the function of opening and closing the retaining box, the hydraulic headstock gear
The part of 7 removing hydraulic push rods 8 is installed on the checkdam 1 at the top of surface spillways.
Further, in order to guarantee that lower sluicing flows down fluidised form when letting out, reduce and let out process under it and caused to downstream building
Big injury is provided at the top of the retaining box 4 and pushed up water-bound 9, under the water flow let out water was pushed up by the door
Structure 9 is drained from the top of the retaining box 4 into the surface spillways 2 in downstream side.At this point, the door pushed up the excellent of water-bound 9
The shape that mode is the surface spillways bottom plate 5 of projection and corresponding position of the flow surface in its cross section is selected to be adapted, in institute
It is provided on the surface spillways bottom plate 5 stated and pushed up the adaptable installation groove 10 of 9 shape of water-bound with the door, be displaced downwardly to bottom
Door afterwards pushed up water-bound 9 and was located in the installation groove 10.Meanwhile then the surface spillways 2 are located at 4 downstream of retaining box
Projection of the flow surface of side in its cross section parabolically, is provided with energy dissipating in parabolical end and upwarps structure 13.
Correspondingly, in order to be damaged when reducing 4 full-gear of retaining box to retaining box chamber system other parts, Yi Jibao
Retaining box traveling comfort in opening operational process is demonstrate,proved, is additionally provided with bearing platform 11, standard-sized sheet in the bottom of the storage door room 6
The retaining box 4 in the process is supported on the bearing platform 11；It is additionally provided in the dam body of 2 two sides of surface spillways
It is oriented to gate slot 12, the part that the retaining box 4 moved back and forth along the vertical direction removes 5 or more surface spillways bottom plate is led by described
It is oriented to and limits to gate slot 12.
Claims (8)
1. a kind of surface spillways structure for hydraulic and hydroelectric engineering, including checkdam (1) are set on the checkdam (1)
It is equipped with surface spillways (2), it is characterised in that: the surface spillways structure further includes retaining box chamber system (3), the retaining box
What the retaining box (4) of chamber system (3) was reciprocally moveable along the vertical direction is arranged in surface spillways bottom plate (5) checkdam below
(1) in,
In water blocking process, the surface spillways (2) pass through the retaining box (4) run up and close,
During flood discharge, the surface spillways (2) pass through the retaining box (4) run down and open.
2. the surface spillways structure according to claim 1 for hydraulic and hydroelectric engineering, it is characterised in that: the water blocking
Lock chamber system (3) further includes storing up door room (6) and hydraulic headstock gear (7), the storage door room (6) and the retaining box (4) position
Adaptable setting is arranged in a vertical direction in surface spillways bottom plate (5) checkdam below (1) in storage door room (6) bottom
The end of the hydraulic push rod (8) of hydraulic headstock gear (7) in dam body connects from the bottom of the retaining box (4) and the retaining box (4)
It connects.
3. the surface spillways structure according to claim 2 for hydraulic and hydroelectric engineering, it is characterised in that: described hydraulic to open
It closes outside the part of machine (7) removing hydraulic push rod (8) and is installed on the checkdam at the top of surface spillways (1).
4. the surface spillways structure according to claim 1,2 or 3 for hydraulic and hydroelectric engineering, it is characterised in that: in institute
State to be provided at the top of retaining box (4) and pushed up water-bound (9), under the water flow let out by the door pushed up water-bound (9) from
It drains into the surface spillways in downstream side (2) at the top of the retaining box (4).
5. the surface spillways structure according to claim 4 for hydraulic and hydroelectric engineering, it is characterised in that: the door pushed up
The shape of the surface spillways bottom plate (5) of projection and corresponding position of the flow surface of water-bound (9) in its cross section is adapted,
It is provided on the surface spillways bottom plate (5) and pushed up the adaptable installation groove (10) of water-bound (9) shape with the door,
Door after being displaced downwardly to bottom pushed up water-bound (9) and was located in the installation groove (10).
6. the surface spillways structure according to claim 2 or 3 for hydraulic and hydroelectric engineering, it is characterised in that: described
The bottom of storage door room (6) is additionally provided with bearing platform (11), and the retaining box (4) during standard-sized sheet is supported on the bearing platform
(11) on.
7. the surface spillways structure according to claim 6 for hydraulic and hydroelectric engineering, it is characterised in that: in the flood discharge
Guiding gate slot (12) is additionally provided in the dam body of table hole (2) two sides, the retaining box moved back and forth along the vertical direction (4) removes flood discharge
Part more than table hole bottom plate (5) is oriented to by the guiding gate slot (12) and limit.
8. the surface spillways structure according to claim 1 for hydraulic and hydroelectric engineering, it is characterised in that: the flood discharge table
Hole (2) is located at projection of the flow surface in retaining box (4) downstream side in its cross section parabolically, is arranged in parabolical end
There is energy dissipating to upwarp structure (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821935814.4U CN209429066U (en) | 2018-11-22 | 2018-11-22 | Surface spillways structure for hydraulic and hydroelectric engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821935814.4U CN209429066U (en) | 2018-11-22 | 2018-11-22 | Surface spillways structure for hydraulic and hydroelectric engineering |
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| Publication Number | Publication Date |
|---|---|
| CN209429066U true CN209429066U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821935814.4U Active CN209429066U (en) | 2018-11-22 | 2018-11-22 | Surface spillways structure for hydraulic and hydroelectric engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385987A (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 | Surface spillways structure for hydraulic and hydroelectric engineering |
-
2018
- 2018-11-22 CN CN201821935814.4U patent/CN209429066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109385987A (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 | Surface spillways structure for hydraulic and hydroelectric engineering |
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