CN209412790U - A kind of flood control dam - Google Patents
A kind of flood control dam Download PDFInfo
- Publication number
- CN209412790U CN209412790U CN201822058140.0U CN201822058140U CN209412790U CN 209412790 U CN209412790 U CN 209412790U CN 201822058140 U CN201822058140 U CN 201822058140U CN 209412790 U CN209412790 U CN 209412790U
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- Prior art keywords
- dam
- water flow
- key
- auxiliary
- flood control
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Abstract
The utility model discloses a kind of flood control dams, are related to hydraulic engineering field, solve the problems, such as that dam is flung by water flow so that dam break danger substantially increases when rainy season set.Technical solution is a kind of flood control dam, including a key dam and multiple auxiliary dams, the key dam is horizontally set in reservoir to stop water flow, multiple auxiliary dams are distributed in the upstream of the key dam, setting is spaced apart from each other between each auxiliary dam, and each lateral position of the corresponding key dam is all provided with the auxiliary dam and flings to avoid water flow.The utility model is structurally reasonable, and multiple auxiliary dams are arranged, water flow is avoided to fling dam, reduces the impact of water flow suffered by dam, reduces dam and the crack even risk of dam break occurs.
Description
Technical field
The utility model relates to hydraulic engineering field, in particular to a kind of flood control dam.
Background technique
Dam is mainly to choke water building in dam-type power station.Existing dam can be divided into concrete dam and earth and rockfill dam two is big
Class.The type of dam needs to be carried out according to comprehensive comparisons such as the natural conditions of dam site, construction material, construction site, water conservancy diversion, costs
It is selected.
Existing reservoir dam typically intercepts water flow by single dam, forms reservoir, and dam bears institute
Some water flow pressures, i.e. dam need to bear the pressure of the water in reservoir and impact that upstream is drunk water etc., especially work as rainy season
When arrival, eagre, flow increases, and the water level of reservoir increases, and the impact of river water increases, and it is even routed crack occur for dam at this time
The danger on dam substantially increases.
Utility model content
The purpose of the utility model is to provide a kind of flood control dams, prevent key dam directly by water by setting auxiliary dam
The impact of stream, occur with this reducing key dam by water impact crack even dam break a possibility that.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of flood control dam, packet
A key dam and multiple auxiliary dams are included, the key dam is horizontally set in reservoir to stop water flow, and multiple auxiliary dams are distributed in the master
The upstream on dam is spaced apart from each other setting between each auxiliary dam, and each lateral position of the corresponding key dam is all provided with
The auxiliary dam flings to avoid water flow.
By using above scheme, auxiliary dam is set in the upstream of key dam, and the distance between key dam and auxiliary dam are rationally set,
Then when water flow is flowed down along river, rapid stream is preferentially flung on auxiliary dam, and each auxiliary dam is only by a part
The impact of water flow, and each auxiliary dam interval is arranged, is stopped and the water flow after slowing down can be flowed through from the interval between auxiliary dam,
And each lateral position for corresponding to key dam is all provided with auxiliary dam, then water flow all preferentially impacts auxiliary dam before impacting on key dam
On, to slow down the flow velocity of water flow, reduces water flow to the impact force of key dam, split to reduce key dam by water impact
A possibility that seam or even dam break.
The utility model is further arranged to: the number of the auxiliary dam is even numbers, and the auxiliary dam receives upstream water flow
The one side of impact is equipped with cancave cambered surface and by current deflecting side, and the water flow that two corresponding auxiliary dams are oriented to mutually liquidates.
By using above scheme, the number of auxiliary dam is set as even numbers, and corresponds to two-by-two between auxiliary dam, and auxiliary dam receives water
Cancave cambered surface is arranged in the one side of stream impact, and when cancave cambered surface in water impact to auxiliary dam, auxiliary dam is while stopping water flow, concave arc
Face avoids water flow from flinging auxiliary dam also by current deflecting side to reduce auxiliary dam impact force suffered while stopping water flow,
Monoclinic phase pair is set by the cancave cambered surface on two corresponding auxiliary dams, then corresponding two auxiliary dams liquidate current deflecting, so that water flow
Between impact force cancel out each other, and being directed to the water flow that liquidates can also be to from the water flow flowed through between two corresponding auxiliary dams
Interference barrier effect is played to reduce its flow velocity, to play the effect for avoiding auxiliary dam from damaging and reducing river flow velocity.
The utility model is further arranged to: the one side of the key dam towards upstream is domed.
By using above scheme, the one side by key dam towards upstream is to be set as arch, due to the architectural characteristic of arch,
When in the water impact to key dam of key dam upstream, suffered power can be distributed to the various pieces of key dam by domes, and
Power is transmitted to the both ends of key dam, and key dam is supported on the massif of its two sides, reinforces the structure of key dam with this
Intensity allows key dam to bear the bigger impact of water flow.
The utility model is further arranged to: the key dam is provided with more reinforcing ribs, and the master backwards to upstream on one side
More fan brake doors are provided on dam, every fan gate is correspondingly arranged between two reinforcing ribs.
By using above scheme, reinforcing rib is set in one side of the key dam backwards to upstream, reinforcing rib can reinforce key dam
Gate is arranged to increase the performance of its anti-current-rush in structural strength on key dam, and gate is correspondingly arranged at two reinforcing ribs
Between, reinforcing rib can play barrier effect, and when gate opening discharges water, reinforcing rib can carry out the water flow of discharge stopping to lead
To so that water flow is flowed down along specific water channel.
The utility model is further arranged to: the key dam is arc-shaped from top to bottom backwards to upstream one side and gradually tends to water
It is flat, the water flow that will be flowed down intermediate skewback derived obliquely is further fixed between the reinforcing rib.
By using above scheme, key dam is above had backwards and is set as arc-shaped from top to bottom on one side and gradually tends to water
Flat, then when opening gate and being discharged water, water flow is flowed down along the arcwall face of key dam, so that water flow level is gone out, then in reinforcing rib
Between intermediate skewback is set, intermediate skewback can be oriented to the water flow flowed down, so that water flow flows out obliquely, gate is opened
When the water flow that is discharged it is more, the impact force of water flow is also bigger, and water flow is by the radian that it falls after the guiding of intermediate skewback
Bigger, the drop point of water flow is also remoter from the base of dam of key dam, so that the water flow for avoiding passing through key dam directly impacts the dam of key dam
Foot, avoid water flow base of dam impact dell and influence key dam resist water impact structural strength.
The utility model is further arranged to: there is also interval between the intermediate skewback and the reinforcing rib of two sides,
And side skewback is provided in interval water flow to export and make water flow be biased to obliquely derived from the intermediate skewback
Water flow.
By using above scheme, be there is into interval in setting between intermediate skewback and the reinforcing rib of its two sides, and be spaced
Interior setting side skewback, by the guiding of side skewback, so that the water flow of the water flow of side skewback guiding and intermediate skewback guiding
It impacting after such flushing together, then interferes and disperse between water flow, the impact force when falling of the water flow after dispersion becomes smaller,
It shoals so that the puddle that water flow impacts after falling becomes smaller, as far as possible structure of the puddle of reduction water impact out to key dam
The influence of strength and stability.
The utility model is further arranged to: the upper end of the auxiliary dam and the lower end of the gate flush, and the auxiliary dam
It is inside fixed with drainpipe, the lower section of the drainpipe from the key dam passes through, and one end of the drainpipe is worn to the auxiliary dam
Topmost and it is provided with filter screen, the other end is worn to the downstream of the key dam to be drained.
By using above scheme, the upper end of auxiliary dam and the lower end of gate are flushed, and drainpipe is fixed in auxiliary dam, draining
Pipe is passed through from the lower section of key dam, and one end of drainpipe wears to the top of auxiliary dam and strainer is arranged, and the other end is worn to key dam
Trip, when the water level up to position of strobe that key dam stops, which needs to open gate, carries out flood discharge, the drainpipe in auxiliary dam can also be right
Water flow is discharged to accelerate the discharge of water flow, to reduce the flood discharge pressure of key dam.
The utility model is further arranged to: vertically upward, and the drainpipe goes out for the water outlet of the drainpipe
Water end (W.E.) is correspondingly arranged in the drop point for the water flow that the intermediate skewback guiding is fallen.
It by using above scheme, sets the water outlet of drainpipe to vertically upward, and the water outlet of drainpipe is set
The drop point of the water flow fallen in corresponding intermediate skewback guiding is set, when opening gate discharges water, the water flow of discharge passes through intermediate skewback
Guiding is fallen, and when opening gate discharges water, for the drop point of water flow substantially within the scope of one, water flow can go out a puddle in drop point,
By the water outlet of drainpipe be arranged in puddle and it is vertical upward, when gate is opened to be discharged water, the synchronous discharge of drainpipe
Water flow, then the water flow of the two discharge can mutually liquidate, so that it is deep to reduce the puddle that water impact goes out to a certain extent
Degree, so that water flow be avoided to go out too deep puddle and impact to the firm of key dam.
The utility model is further arranged to: the key dam and the auxiliary dam are made of armored concrete, and the master
It is provided with symmetrical left support and right support in dam, secondary support, and the left support, the right side are provided in the auxiliary dam
Bracket is together with the secondary support is by concreting.
By using above scheme, present dam mostly uses armored concrete to be made greatly, the setting left and right pair in key dam
The left support and right support of title, when pouring key dam, point or so two parts poured so that pouring for key dam is more convenient,
Secondary support is set in auxiliary dam, left support, right support poured with secondary support by concrete together with so that key dam and auxiliary dam tool
There is globality, so that whole more firm.
In conclusion the utility model has the following beneficial effects: being avoided by setting auxiliary dam with forming blocking to water flow
Water flow flings key dam, to reduce water flow to the impact force of key dam, reduces key dam and is occurred crack by water impact or even burst
A possibility that dam.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of embodiment.
Appended drawing reference: 1, key dam；2, auxiliary dam；3, reinforcing rib；4, gate；5, intermediate skewback；6, side skewback；7, it drains
Pipe；8, filter screen.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of flood control dam, including a key dam 1 and multiple auxiliary dams 2, and key dam 1 and auxiliary dam 2 are all by steel
Reinforced concrete pours.It is provided with symmetrical left support and right support in key dam 1, is provided with secondary support in auxiliary dam 2,
When being poured to key dam 1, can the half first to key dam 1 pour, the half of key dam 1 carries out another again after the completion of pouring
Half pours, and together with left support, right support and secondary support directly poured by concrete, improves whole stabilization
Property, and the lower end of key dam 1 and auxiliary dam 2 is all embedded under riverbed.
Key dam 1 is set as arch towards upstream on one side, enhances the impact resistance of key dam 1 by the architectural characteristic of arch
Can, and it is provided with more reinforcing ribs 3 on one side to reinforce its structure, further to key dam 1 backwards to upstream in key dam 1
Impact resistance can be carried out reinforcement, reinforcing rib 3 also acts as the work of barrier water flow while the structure to key dam 1 is reinforced
With.
It is provided with the gate 4 of motor (not shown) control lifting in the upper end of key dam 1, gate 4 is provided with more
Fan, and every fan brake door 4 is all correspondingly arranged between corresponding two reinforcing ribs 3, can be with when opening gate 4 and carrying out flood discharge
Corresponding gate 4 is opened to discharge water flow, is discharged so that water flow can according to need by different water channels, it can also be right
The water of different water channel discharges carries out arrangement design, and water flow is applied to power generation, irrigation or some other purposes.
One side of the key dam 1 backwards to upstream is in concave arc shape and gradually tends to be horizontal from top to bottom, and between reinforcing rib 3 also
5 pairs of the intermediate skewback lower water flows of row are provided with to be oriented to, thus avoid when the draining of 4 position of gate water flow from directly falling and on dam
Placement of foot goes out puddle and influences the firm of key dam 1.And it is also deposited between the both ends of intermediate skewback 5 and the reinforcing rib 3 of its two sides
It is being spaced, and is being provided with side skewback 6 in interval.When lower water flow is arranged in 4 position of gate, limit of the water flow by reinforcing rib 3,
So that water flow flows down between reinforcing rib 3, when water flow is flushed to intermediate skewback 5 and side 6 position of skewback, water flow by
The guiding of intermediate skewback 5 and side skewback 6 redesigns the angle of intermediate skewback 5 and side skewback 6, so that water flow is flushed to centre
When guiding flies up on skewback 5 and side skewback 6, water derived from water derived from intermediate skewback 5 and side skewback 6 intersects, and makes
It obtains and mutually impacts and disperse to reduce impact force when water flow falls between water flow, to reduce the water gone out when water flow falls
Pool.
The upstream that key dam 1 is arranged in auxiliary dam 2 flings key dam 1 with to avoid water flow, and the number of auxiliary dam 2 is even numbers, respectively
Setting is spaced apart from each other between a auxiliary dam 2, each lateral position of corresponding key dam 1 is both provided with auxiliary dam 2 and flings master to avoid water flow
Dam 1, auxiliary dam 2 correspond to two-by-two, and auxiliary dam 2 receive upstream water impact be provided with cancave cambered surface on one side, cancave cambered surface leads water flow
To side, the water flow that corresponding two auxiliary dams 2 are oriented to mutually liquidates, so that auxiliary dam 2 is able to bear water flow more large impact
The case where, so that mutually being disturbed between water flow.
In addition, being additionally provided with drainpipe 7 in auxiliary dam 2, the upper end of auxiliary dam 2 and the lower end of gate 4 are flushed, in auxiliary dam 2
It is provided with drainpipe 7, one end of drainpipe 7 wears to the top of auxiliary dam 2 and is provided with filter screen 8, and drainpipe 7 is from key dam 1
Lower section passes through, and the other end of drainpipe 7 wears the downstream to key dam 1 to be drained, and the vertical court in water outlet of drainpipe 7
On, the water outlet of drainpipe 7 is correspondingly arranged at the drop point that intermediate skewback 5 is oriented to the water flow fallen.In the water level mistake that key dam 1 stops
Gao Shi opens gate 4 to be drained, while height of water level is higher than auxiliary dam 2, and the drainpipe 7 in auxiliary dam 2 is drained simultaneously,
The water of 4 position of gate discharge is fallen by the water outlet end position for acting on drainpipe 7 of intermediate skewback 5 and side skewback 6, at this time
Drainpipe 7 is drained simultaneously, is gushed in the water outlet draining of drainpipe 7, the water flow that the water flow fallen at this time is above gushed is delayed
Punching, so that the water flow fallen be avoided to go out excessive too deep puddle.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of flood control dam, it is characterised in that: including a key dam (1) and multiple auxiliary dams (2), the key dam (1) is horizontally set with
To stop water flow in reservoir, multiple auxiliary dams (2) are distributed in the upstream of the key dam (1), phase between each auxiliary dam (2)
It is straight to avoid water flow that each lateral position for being mutually spaced and being arranged, and correspond to the key dam (1) is all provided with the auxiliary dam (2)
Punching.
2. a kind of flood control dam according to claim 1, it is characterised in that: the number of the auxiliary dam (2) is even numbers, and
The one side that the auxiliary dam (2) receives upstream water impact is equipped with cancave cambered surface and by current deflecting side, two corresponding pair
The water flow that dam (2) is oriented to mutually liquidates.
3. a kind of flood control dam according to claim 1, it is characterised in that: the one side of key dam (1) towards the upstream is in
Arch.
4. a kind of flood control dam according to claim 1, it is characterised in that: the key dam (1) is arranged backwards to upstream one side
There are more reinforcing ribs (3), and be provided with more fan brake doors (4) on the key dam (1), every fan gate (4) is correspondingly arranged at two
Between reinforcing rib described in root (3).
5. a kind of flood control dam according to claim 4, it is characterised in that: the key dam (1) is backwards to upstream on one side from upper
It is arc-shaped and gradually tend to be horizontal under and, be further fixed between the reinforcing rib (3) water flow that will be flowed down it is derived obliquely in
Between skewback (5).
6. a kind of flood control dam according to claim 5, it is characterised in that: the intermediate skewback (5) is described with two sides
There is also intervals between reinforcing rib (3), and are provided with side skewback (6) in interval to export and make obliquely water flow
Water flow is biased to water flow derived from the intermediate skewback (5).
7. a kind of flood control dam according to claim 6, it is characterised in that: the upper end of the auxiliary dam (2) and the gate
(4) lower end flushes, and is fixed with drainpipe (7) in the auxiliary dam (2), lower section of the drainpipe (7) from the key dam (1)
It passes through, one end of the drainpipe (7) is worn to the top of the auxiliary dam (2) and is provided with filter screen (8), and the other end is worn to institute
The downstream of key dam (1) is stated to be drained.
8. a kind of flood control dam according to claim 7, it is characterised in that: the vertical court in water outlet of the drainpipe (7)
On, and the water outlet of the drainpipe (7) is correspondingly arranged in the drop point for the water flow that intermediate skewback (5) guiding is fallen.
9. a kind of flood control dam according to claim 1, it is characterised in that: the key dam (1) and the auxiliary dam (2) by
Armored concrete is made, and symmetrical left support and right support are provided in the key dam (1), sets in the auxiliary dam (2)
It is equipped with secondary support, and the left support, the right support are together with the secondary support is by concreting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058140.0U CN209412790U (en) | 2018-12-07 | 2018-12-07 | A kind of flood control dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058140.0U CN209412790U (en) | 2018-12-07 | 2018-12-07 | A kind of flood control dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209412790U true CN209412790U (en) | 2019-09-20 |
Family
ID=67937058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822058140.0U Expired - Fee Related CN209412790U (en) | 2018-12-07 | 2018-12-07 | A kind of flood control dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209412790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267416A (en) * | 2020-10-16 | 2021-01-26 | 湖南筑升信息科技有限公司 | Pressure monitoring equipment for hydraulic dam engineering |
-
2018
- 2018-12-07 CN CN201822058140.0U patent/CN209412790U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267416A (en) * | 2020-10-16 | 2021-01-26 | 湖南筑升信息科技有限公司 | Pressure monitoring equipment for hydraulic dam engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |