CN207452861U - A kind of change flip shot angle overfall dam chooses stream device - Google Patents
A kind of change flip shot angle overfall dam chooses stream device Download PDFInfo
- Publication number
- CN207452861U CN207452861U CN201721524448.9U CN201721524448U CN207452861U CN 207452861 U CN207452861 U CN 207452861U CN 201721524448 U CN201721524448 U CN 201721524448U CN 207452861 U CN207452861 U CN 207452861U
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- CN
- China
- Prior art keywords
- overfall dam
- angle
- dam
- overfall
- gate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of change flip shot angle overfall dams to choose stream device, it includes overfall dam, the both sides of the overfall dam are provided with overfall dam barricade, gate hoist is installed in overfall dam gear coping, the gate hoist is connected by gate steel strand wires with gate, and controls the keying of overfall dam；The bottom of the overfall dam is equipped with to control what overflow water body chose flow angle to choose stream device.The change at current flip shot angle during flood discharge is realized using flip shot angle apparatus is become, so as to change the distance of corresponding flip shot, the position of water impact is changed, change the drawbacks of original current wash away fixed position for a long time, so as to reduce the depth of riverbed average flush, the steady in a long-term of dam has been ensured.
Description
Technical field
The utility model is to be related to one kind to choose flow control device, concretely relates to a kind of change flip shot angle overfall dam and chooses stream
Device.
Background technology
For high concrete gravity dam or induced joint, Energy Dissipation Modes are mainly using flip trajectory bucket, the water of high-speed motion
Fluid capacitance easily washes away riverbed, and causing downstream ground, formation face high up in the air causes dam stability to reduce, so as to threaten dam body by erosion
Safety, current main solution is still few, mainly sets protection building in underwater bed, but cost is higher.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of change flip shot angle overfall dams to choose stream device, is chosen using change
Firing angle device realizes the change at current flip shot angle during flood discharge, so as to change the distance of corresponding flip shot so that current rush
The position hit can change, and change the drawbacks of original current wash away fixed position for a long time, so as to reduce riverbed average flush
Depth has ensured the steady in a long-term of dam.
In order to solve the above-mentioned technical problem, the utility model proposes following technical schemes：A kind of change flip shot angle overfall dam is chosen
Device is flowed, it includes overfall dam, and the both sides of the overfall dam are provided with overfall dam barricade, is equipped in overfall dam gear coping
Gate hoist, the gate hoist is connected by gate steel strand wires with gate, and controls the keying of overfall dam；The overflow
The bottom on dam is equipped with to control what overflow water body chose flow angle to choose stream device.
The stream device of choosing includes angulator headstock gear, and the angulator headstock gear is fixedly mounted on angulator headstock gear
The top of support column is hinged with rotatable branch between the overfall dam barricade of the bottom end of overfall dam by angulator shaft
Hinge, the bottom of the rotatable branch hinge are equipped with angle and choose stream bottom plate, the angle choose stream bottom plate by angulator steel strand wires with
Angulator headstock gear is connected.
The angle chooses stream bottom plate and uses arc plate structure.
The utility model has the advantages that：
1st, stream device is chosen by using above-mentioned overfall dam, temporarily, before gate is opened a sluice gate and drawn out some water, to detect in advance when flood season
The channel scour situation in dam body downstream, select to be suitble at one chooses stream position, by opening angulator headstock gear, is become by pulling
Angle device steel strand wires so that rotatable branch hinge drives angle to choose stream bottom plate and rotated around angulator shaft, and then adjusts angle and choose stream
The rotational angle of bottom plate so that when flood comes temporarily, the drop point of flip shot current then arrives just in predetermined position in flood
When, gate steel strand wires are driven by gate hoist and pull gate opening, upstream flood chooses stream bottom by overfall dam and angle
The flood discharge system flip shot water that plate collectively constitutes flows to precalculated position.
2nd, by using the above-mentioned degradation degree chosen stream device, underwater bed can be reduced, ensure that dam safety is stablized
Operation.
3rd, stream device is chosen by using above-mentioned, realizes the function that rheology angle is chosen in flood discharge.
4th, it is low by using above-mentioned stream installation cost of choosing, it is substantially reduced compared with underwater bed protection architectural measure.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the utility model.
Fig. 2 is the stereogram of the utility model.
Fig. 3 is the left view of the utility model.
In figure：Gate hoist 1, gate steel strand wires 2, gate 3, overfall dam 4, overfall dam barricade 5, angulator headstock gear 6,
Angulator steel strand wires 7, rotatable branch hinge 8, angulator headstock gear support column 9, angulator shaft 10, angle choose stream bottom plate 11.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
Such as Fig. 1-3, a kind of change flip shot angle overfall dam chooses stream device, it includes overfall dam 4, and the both sides of the overfall dam 4 are set
Overfall dam barricade 5 is equipped with, gate hoist 1 is installed at the top of overfall dam barricade 5, the gate hoist 1 passes through gate
Steel strand wires 2 are connected with gate 3, and control the keying of overfall dam；The bottom of the overfall dam 4 is equipped with to control overflow water body
That chooses flow angle chooses stream device；The stream device of choosing includes angulator headstock gear 6, and the angulator headstock gear 6 is fixedly mounted on
The top of angulator headstock gear support column 9 is turned between the overfall dam barricade 5 of the bottom end of overfall dam 4 by angulator
Axis 10 is hinged with rotatable branch hinge 8, and the bottom of the rotatable branch hinge 8 is equipped with angle and chooses stream bottom plate 11, and the angle chooses stream
Bottom plate 11 is connected by angulator steel strand wires 7 with angulator headstock gear 6.
In the course of work, come temporarily, before gate 3 is opened a sluice gate and drawn out some water, in advance when flood season by using above-mentioned stream device of choosing
The channel scour situation in dam body downstream is detected, select to be suitble at one chooses stream position, by opening angulator headstock gear 6, passes through
Pulling angulator steel strand wires 7 so that rotatable 8 drive angle of branch hinge is chosen stream bottom plate 11 and is rotated around angulator shaft 10, and then
Adjust the rotational angle that angle chooses stream bottom plate 11 so that when flood come it is interim, the drop points of flip shot current just in predetermined position,
Then temporarily, to drive gate steel strand wires 2 by gate hoist 1 and gate 3 is pulled to open in flood, upstream flood, which passes through, to overflow
Stream dam 4 and angle choose the flood discharge system flip shot water that stream bottom plate 11 collectively constitutes and flow to precalculated position.
Further, the angle chooses stream bottom plate 11 and uses arc plate structure.Stream bottom plate is chosen by using above-mentioned angle
11 can change the flow angle of overflow water, and then play the purpose of protection downstream building.
The application method and operation principle of the utility model：
First, temporarily, to detect the channel scour situation in dam body downstream in advance when flood season, select to be suitble at one chooses stream position
It puts, by opening angulator headstock gear 6, by pulling 7 steel strand wires of angulator steel strand wires so that rotatable branch hinge 8 passes through angle
10 shaft of device shaft drives angle to choose stream bottom plate 11 and rotates corresponding angle so that when flood carrys out interim, the drop point of flip shot current
Just in predetermined position；
Then, then come temporarily in flood, by gate hoist 1 gate 3 is driven to open, upstream flood passes through overfall dam
4 and angle choose the flood discharge system flip shot water that collectively constitutes of stream bottom plate 11 and flow to precalculated position；
Finally, the current of stream bottom plate 11 are chosen by angle by forming jet stream, energy dissipating after flip shot, and then downstream is built
Good protection is played with riverbed.
By above-mentioned description, those skilled in the art completely can be without departing from this item utility model technological thought
In the range of, various changes and amendments are carried out all within the scope of protection of the utility model.The utility model is not use up
Matters belong to the common knowledge of those skilled in the art.
Claims (3)
1. a kind of change flip shot angle overfall dam chooses stream device, it is characterised in that：It includes overfall dam（4）, the overfall dam（4）Two
Side is provided with overfall dam barricade（5）, in overfall dam barricade（5）Top gate hoist is installed（1）, the gate hoist
（1）Pass through gate steel strand wires（2）With gate（3）It is connected, and controls the keying of overfall dam；The overfall dam（4）Bottom installation
Be useful for that control overflow water body chooses flow angle chooses stream device.
2. a kind of change flip shot angle overfall dam according to claim 1 chooses stream device, it is characterised in that：It is described to choose stream device bag
Include angulator headstock gear（6）, the angulator headstock gear（6）It is fixedly mounted on angulator headstock gear support column（9）Top,
In overfall dam（4）Bottom end overfall dam barricade（5）Between pass through angulator shaft（10）It is hinged with rotatable branch hinge
（8）, the rotatable branch hinge（8）Bottom angle be installed choose stream bottom plate（11）, the angle chooses stream bottom plate（11）Pass through change
Angle device steel strand wires（7）With angulator headstock gear（6）It is connected.
3. a kind of change flip shot angle overfall dam according to claim 2 chooses stream device, it is characterised in that：The angle chooses stream bottom
Plate（11）Using arc plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524448.9U CN207452861U (en) | 2017-11-15 | 2017-11-15 | A kind of change flip shot angle overfall dam chooses stream device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721524448.9U CN207452861U (en) | 2017-11-15 | 2017-11-15 | A kind of change flip shot angle overfall dam chooses stream device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207452861U true CN207452861U (en) | 2018-06-05 |
Family
ID=62279703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721524448.9U Expired - Fee Related CN207452861U (en) | 2017-11-15 | 2017-11-15 | A kind of change flip shot angle overfall dam chooses stream device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207452861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364419A (en) * | 2020-03-30 | 2020-07-03 | 西藏农牧学院 | Overflow dam |
-
2017
- 2017-11-15 CN CN201721524448.9U patent/CN207452861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364419A (en) * | 2020-03-30 | 2020-07-03 | 西藏农牧学院 | Overflow dam |
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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: 20180605 Termination date: 20181115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |