CN207537995U - A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station - Google Patents
A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station Download PDFInfo
- Publication number
- CN207537995U CN207537995U CN201721494261.9U CN201721494261U CN207537995U CN 207537995 U CN207537995 U CN 207537995U CN 201721494261 U CN201721494261 U CN 201721494261U CN 207537995 U CN207537995 U CN 207537995U
- Authority
- CN
- China
- Prior art keywords
- pier
- centre operation
- operation arc
- arc diversion
- forebay
- Prior art date
- 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.)
- Active
Links
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model is related to a kind of off-centre operation arc diversion piers applied to asymmetric lock station convolution Forebay of Pumping Station, belong to hydraulic engineering technical field, the Forebay of Pumping Station including irrigation channel and with irrigation channel perforation；Forebay of Pumping Station is penetrated through with irrigation channel, and check gate, dividing pier, pumping plant Transverse to the flow direction are set gradually, and dividing pier is placed between check gate, pumping plant, is separated check gate, pumping plant by dividing pier；The pumping plant is equipped with several water inlet flow channels, the water in irrigation channel through Forebay of Pumping Station, flow to water inlet flow channel；It is characterized in that：In the water inlet flow channel of the close dividing pier, first off-centre operation arc diversion pier, Article 2 off-centre operation arc diversion pier, Article 3 off-centre operation arc diversion pier are equipped in the forebay between each two water inlet flow channel successively.The utility model is conducive to preferably improve flow-shape near the dividing pier of lock station engaging portion, improves unit fixed on water pump suction condition, is technically reliable, easy to implement.
Description
Technical field
The utility model is related to a kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station,
Belong to hydraulic engineering technical field.
Background technology
Lock station convolution pumping plant water inlet portion is made of irrigation channel, check gate, Forebay of Pumping Station, water inlet flow channel and dividing pier, wherein
Forebay of Pumping Station is arranged in hinge side, and lock station junction is separated by dividing pier, and arrangement form is combined for typical asymmetric lock station.
Check gate only flows during pumping station operation.
The special shape of lock station convolution pumping plant lateral arrangement, the dividing pier of lock station engaging portion can cause Forebay of Pumping Station to occur again
Miscellaneous flowing.The study found that dividing pier side check gate forefoot area is not slough, before which flows into pumping plant around dividing pier
Pond causes the separation of flow and a wide range of reflux, the water inlet flow channel of dividing pier vicinity occur in the forebay before dividing pier opposite side water inlet flow channel
Advancing water mainstream lateral velocity is larger, can cause flow direction deflection, in addition, the reflux near dividing pier can be also forced into water mainstream
Deformation and deflection, influence unit normal operation.
Therefore a kind of off-centre operation arc diversion pier is proposed to improve the lateral stream stream near the convolution pumping plant dividing pier of lock station
State, inhibiting to be vortexed generates, and improves unit fixed on water pump suction condition, and then the efficiency for improving water inlet flow channel seems particularly critical.
Utility model content
The purpose of this utility model is in view of the above shortcomings of the prior art, to provide a kind of asymmetric lock station that is applied to and tie
The off-centre operation arc diversion pier of box-like pumping plant forebay.
The purpose of this utility model is achieved in that a kind of applied to the inclined of asymmetric lock station convolution Forebay of Pumping Station
The arc-shaped diversion pier of the heart, the Forebay of Pumping Station including irrigation channel and with irrigation channel perforation；Check gate, dividing pier, pumping plant are along perpendicular to flow
Direction set gradually, dividing pier is placed between check gate, pumping plant, is separated check gate, pumping plant by dividing pier；The Forebay of Pumping Station
Outlet connect with several water inlet flow channels, the water in irrigation channel through Forebay of Pumping Station, flow to water inlet flow channel；It is characterized in that：
In the water inlet flow channel of the close dividing pier, first bias is equipped in the forebay between every two water inlet flow channels successively
Arc-shaped diversion pier, Article 2 off-centre operation arc diversion pier, Article 3 off-centre operation arc diversion pier；That is, every two water inlet flow channels
Between forepart be respectively equipped with first off-centre operation arc diversion pier, Article 2 off-centre operation arc diversion pier, Article 3 eccentric arc
Shape diversion pier, and first off-centre operation arc diversion pier, Article 2 off-centre operation arc diversion pier, Article 3 off-centre operation arc water conservancy diversion
Pier is placed in Forebay of Pumping Station；
The height of first off-centre operation arc diversion pier is equal with the depth of water in Forebay of Pumping Station, first eccentric arc
The Parallel to the flow direction length of shape diversion pier and dividing pier equal length, first off-centre operation arc diversion pier is towards Forebay of Pumping Station one end
It is flushed with dividing pier towards Forebay of Pumping Station one end, the spacing between first off-centre operation arc diversion pier thickness and adjacent water inlet flow channel
It is equal；First off-centre operation arc diversion pier head is off-centre operation arc, and floor projection length is equal with dividing pier radius, the
The arc radius on one off-centre operation arc diversion pier head is 1.2 times of dividing pier head circular radius；
The Article 2 off-centre operation arc diversion pier height for first off-centre operation arc diversion pier height 2/3, second
The Parallel to the flow direction length of off-centre operation arc diversion pier for first off-centre operation arc diversion pier Parallel to the flow direction length 2/
3, the thickness of Article 2 off-centre operation arc diversion pier is equal with the spacing between adjacent water inlet flow channel；The Article 2 eccentric arc
Shape diversion pier head is off-centre operation arc, and floor projection length is equal with dividing pier radius, Article 2 off-centre operation arc diversion pier head
The arc radius in portion is 0.8 times of dividing pier head circular radius；
The Article 3 off-centre operation arc diversion pier height for first off-centre operation arc diversion pier height 1/3, third
The Parallel to the flow direction length of off-centre operation arc diversion pier for first off-centre operation arc diversion pier Parallel to the flow direction length 1/
3, the thickness of Article 3 off-centre operation arc diversion pier is equal with the spacing between adjacent water inlet flow channel；The Article 3 eccentric arc
Shape diversion pier head is off-centre operation arc, and floor projection length is equal with dividing pier radius, Article 3 off-centre operation arc diversion pier head
0.4 times of the arc radius dividing pier head circular radius in portion.
First off-centre operation arc diversion pier, Article 2 off-centre operation arc diversion pier, Article 3 off-centre operation arc are led
Stream pier nose portion cross section is designed to as arc, and the cross section of tail portion is both designed as rectangle.
The advanced science of the utility model, by the utility model, the utility model is for asymmetric lock station convolution
The off-centre operation arc diversion pier of Forebay of Pumping Station, the appropriate location at the dividing pier of lock station engaging portion.
The purpose of this utility model is achieved through the following technical solutions：Three heads are added at the dividing pier of lock station engaging portion
For arc-shaped various sizes of diversion pier（First off-centre operation arc diversion pier, Article 2 off-centre operation arc diversion pier, third
Off-centre operation arc diversion pier）, arc-shaped diversion pier can guide well via dividing pier header stream come oblique flow, play
Extraordinary guide functions, effectively improving dividing pier, nearby the flow-shape of pumping plant water inlet flow channel and admission section flow velocity are uniform
Degree.Off-centre operation arc diversion pier at the lock station engaging portion dividing pier, first off-centre operation arc diversion pier height and pumping plant
The forebay depth of water is equal.Off-centre operation arc diversion pier at the dividing pier of lock station engaging portion, first off-centre operation arc diversion pier
Parallel to the flow direction length overall length be with dividing pier equal length, first off-centre operation arc diversion pier head is flushed with dividing pier head.
The thickness of first off-centre operation arc diversion pier is equal with water inlet flow channel spacing.First off-centre operation arc diversion pier head is circle
Arc, floor projection length is equal with dividing pier radius, and it is dividing pier head circular radius that diversion pier arc radius, which takes 1.2R, R,.
Off-centre operation arc diversion pier at the dividing pier of lock station engaging portion, Article 2 off-centre operation arc diversion pier height are（2/3）
H, h are the pumping plant forebay depth of water.Arc-shaped diversion pier at the dividing pier of lock station engaging portion, Article 2 off-centre operation arc diversion pier
Parallel to the flow direction length overall length be（2/3）L, L are dividing pier length.Off-centre operation arc diversion pier at the dividing pier of lock station engaging portion,
The thickness of Article 2 off-centre operation arc diversion pier is equal with water inlet flow channel spacing.Article 2 off-centre operation arc diversion pier head is circle
Arc, floor projection length is equal with dividing pier radius, and it is dividing pier head circular radius that diversion pier arc radius, which takes 0.8R, R,.
Off-centre operation arc diversion pier at the dividing pier of lock station engaging portion, Article 3 off-centre operation arc diversion pier height are（1/3）
H, h are the pumping plant forebay depth of water.Off-centre operation arc diversion pier at the dividing pier of lock station engaging portion, Article 3 off-centre operation arc are led
Stream pier Parallel to the flow direction length overall length be（1/3）L, L are dividing pier length.Off-centre operation arc at the dividing pier of lock station engaging portion is led
Pier is flowed, the thickness of Article 3 off-centre operation arc diversion pier is equal with water inlet flow channel spacing.Article 3 off-centre operation arc diversion pier head
Portion is arc-shaped, and floor projection length is equal with dividing pier radius, and it is dividing pier head circular half that diversion pier arc radius, which takes 0.4R, R,
Diameter.
The utility model leads Parallel to the flow direction for the improvement of diversion pier in the convolution Forebay of Pumping Station of asymmetric lock station
Make off-centre operation arc into stream pier nose portion.When oblique flow is flowed through before diversion pier enters water inlet flow channel, flow the oblique water come and flow through and lead
The arc section guiding of pier is flowed, flow-shape is improved, and velocity flow profile is more uniform.The utility model is combined suitable for various lock stations
Formula engineering, the fluidised form that can be effectively improved near the dividing pier of lock station engaging portion are eliminated and are vortexed, flow is made more to smooth out, and improve water pump
The flow velocity uniformity of water inlet flow channel import.Diversion pier is a kind of common rectification measure to improve forebay fluidised form.This practicality is new
Type is conducive to preferably improve the flow-shape near the dividing pier of lock station engaging portion, improves unit fixed on water pump suction condition, technically reliable is easy to
Implement, have a extensive future.
Description of the drawings
Fig. 1 faces direction structure schematic diagram for the utility model.
Fig. 2 is the overlook direction structure diagram of the utility model.
Fig. 3 is enlarged structure schematic diagram at the A of Fig. 2..
Fig. 4 is the right apparent direction structure diagram of the utility model.
In figure：1 irrigation channel, 2 Forebay of Pumping Station, 3 check gates, 4 water inlet flow channels, 5 dividing piers, 6 first off-centre operation arc diversion piers,
7 Article 2 off-centre operation arc diversion piers, 8 Article 3 off-centre operation arc diversion piers.
Specific embodiment
The utility model is suitable for various lock station convolution engineerings, and design drawing is required according to the design.Determine that lock station is tied
The head arc radius length of conjunction portion dividing pier 5, the Parallel to the flow direction total length of dividing pier 5.Three off-centre operation arc diversion piers（First
Off-centre operation arc diversion pier 6, Article 2 off-centre operation arc diversion pier 7, Article 3 off-centre operation arc diversion pier 8 add successively
In the forebay between each two water inlet flow channel near the dividing pier of lock station engaging portion.
A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station, including irrigation channel 1 and
The Forebay of Pumping Station 2 penetrated through with irrigation channel 1；Check gate 3, dividing pier 5, pumping plant Transverse to the flow direction are set gradually, and dividing pier 5 is placed in check gate
Between 3 pumping plants, check gate 3, pumping plant are separated by dividing pier 5；Several water inlet flow channels 4 are set on pumping plant, the water in irrigation channel 1
Through Forebay of Pumping Station 2, flow to water inlet flow channel 4.
In the water inlet flow channel 4 close to dividing pier 5, first is set gradually in the forebay 2 between every two water inlet flow channels 4 partially
The arc-shaped diversion pier 6 of the heart, Article 2 off-centre operation arc diversion pier 7, Article 3 off-centre operation arc diversion pier 8, i.e., every two water inlets
It is inclined to be respectively equipped with first off-centre operation arc diversion pier 6, Article 2 off-centre operation arc diversion pier 7, Article 3 for forepart between runner 4
The arc-shaped diversion pier 8 of the heart, and first off-centre operation arc diversion pier 6, Article 2 off-centre operation arc diversion pier 7, Article 3 are eccentric
Arc-shaped diversion pier 8 is placed in Forebay of Pumping Station 2；
The height of first off-centre operation arc diversion pier 6 is equal with the depth of water in Forebay of Pumping Station 2（In attached drawing, h is before pumping plant
The depth of water in pond 2）, Parallel to the flow direction length and the dividing pier 5 of first off-centre operation arc diversion pier 6（In attached drawing, L is 5 side of dividing pier
Length）Equal length, first off-centre operation arc diversion pier 6 is towards 2 one end of Forebay of Pumping Station and dividing pier 5 towards Forebay of Pumping Station 2 one
End flushes, the spacing between first 6 thickness of off-centre operation arc diversion pier and adjacent water inlet flow channel 4（In attached drawing, d for it is adjacent into
Spacing between water flow passage 4）It is equal；First 6 head of off-centre operation arc diversion pier is off-centre operation arc, floor projection length with
5 radius of dividing pier is equal, and it is 5 head circular radius of dividing pier that first 6 arc radius of off-centre operation arc diversion pier, which takes 1.2R, R,.
7 height of Article 2 off-centre operation arc diversion pier for first 6 height of off-centre operation arc diversion pier 2/3, i.e., second
Off-centre operation arc diversion pier height is（2/3）H, h are the water in Forebay of Pumping Station 2.Article 2 off-centre operation arc diversion pier 7 it is suitable
Water (flow) direction length is the 2/3 of first 6 Parallel to the flow direction length of off-centre operation arc diversion pier, i.e. Parallel to the flow direction length overall length
For（2/3）L, thickness are equal with water inlet flow channel spacing d.The thickness of Article 2 off-centre operation arc diversion pier 7 and adjacent water inlet flow channel 4
Between spacing it is equal；7 head of Article 2 off-centre operation arc diversion pier is off-centre operation arc, floor projection length and dividing pier
5 radiuses are equal, and it is 5 head circular radius of dividing pier that 7 arc radius of Article 2 off-centre operation arc diversion pier, which takes 0.8R, R,.
8 height of Article 3 off-centre operation arc diversion pier is first off-centre operation arc diversion pier（6）The 1/3 of height,
I.e. described 8 height of Article 3 off-centre operation arc diversion pier is（1/3）H, h are the water in Forebay of Pumping Station 2.Article 3 off-centre operation arc
The Parallel to the flow direction length of diversion pier 8 is the 1/3 of first 6 Parallel to the flow direction length of off-centre operation arc diversion pier, i.e., flows downstream
Direction length overall length is（1/3）L, thickness are equal with 4 spacing d of water inlet flow channel.The thickness of Article 3 off-centre operation arc diversion pier 8 with
Spacing between adjacent water inlet flow channel 4 is equal；8 head of Article 3 off-centre operation arc diversion pier be off-centre operation arc, floor projection
Length is equal with 5 radius of dividing pier, and it is 5 head circular of dividing pier half that 8 arc radius of Article 3 off-centre operation arc diversion pier, which takes 0.4R, R,
Diameter.
First off-centre operation arc diversion pier 6, Article 2 off-centre operation arc diversion pier 7, Article 3 off-centre operation arc water conservancy diversion
8 head cross section of pier is designed to as arc, and the cross section of tail portion is both designed as rectangle.
Claims (2)
1. a kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station, including irrigation channel（1）And
With irrigation channel（1）The Forebay of Pumping Station of perforation（2）；Forebay of Pumping Station（2）And irrigation channel（1）Perforation, check gate（3）, dividing pier（5）, pumping plant
Edge is set gradually perpendicular to the direction of flow, dividing pier（5）It is placed in check gate（3）, between pumping plant, pass through dividing pier（5）By check gate
（3）, pumping plant separates；The pumping plant is equipped with several water inlet flow channels（4）, irrigation channel（1）Interior water is through Forebay of Pumping Station（2）, flow direction
Water inlet flow channel（4）；It is characterized in that：
The close dividing pier（5）Water inlet flow channel（4）In, every two water inlet flow channels（4）Between forepart be respectively equipped with first partially
The arc-shaped diversion pier of the heart（6）, Article 2 off-centre operation arc diversion pier（7）, Article 3 off-centre operation arc diversion pier（8）, and first
Off-centre operation arc diversion pier（6）, Article 2 off-centre operation arc diversion pier（7）, Article 3 off-centre operation arc diversion pier（8）It is placed in
Forebay of Pumping Station（2）It is interior；
First off-centre operation arc diversion pier（6）Height and Forebay of Pumping Station（2）The interior depth of water is equal, first off-centre operation
Arc diversion pier（6）Parallel to the flow direction length and dividing pier（5）Equal length, first off-centre operation arc diversion pier（6）Towards
Forebay of Pumping Station（2）One end and dividing pier（5）Towards Forebay of Pumping Station（2）One end flushes, first off-centre operation arc diversion pier（6）Thickness
With adjacent water inlet flow channel（4）Between spacing it is equal；First off-centre operation arc diversion pier（6）Head is eccentric arc
Shape, floor projection length and dividing pier（5）Radius is equal, first off-centre operation arc diversion pier（6）The arc radius on head be every
Pier（5）1.2 times of head circular radius；
The Article 2 off-centre operation arc diversion pier（7）Highly it is first off-centre operation arc diversion pier（6）The 2/3 of height, the
Two off-centre operation arc diversion piers（7）Parallel to the flow direction length be first off-centre operation arc diversion pier（6）Parallel to the flow direction
The 2/3 of length, Article 2 off-centre operation arc diversion pier（7）Thickness and adjacent water inlet flow channel（4）Between spacing it is equal；It is described
Article 2 off-centre operation arc diversion pier（7）Head is off-centre operation arc, floor projection length and dividing pier（5）Radius is equal, and second
Off-centre operation arc diversion pier（7）The arc radius on head is dividing pier（5）0.8 times of head circular radius；
The Article 3 off-centre operation arc diversion pier（8）Highly it is first off-centre operation arc diversion pier（6）The 1/3 of height, the
Three off-centre operation arc diversion piers（8）Parallel to the flow direction length be first off-centre operation arc diversion pier（6）Parallel to the flow direction
The 1/3 of length, Article 3 off-centre operation arc diversion pier（8）Thickness and adjacent water inlet flow channel（4）Between spacing it is equal；It is described
Article 3 off-centre operation arc diversion pier（8）Head is off-centre operation arc, floor projection length and dividing pier（5）Radius is equal, third
Off-centre operation arc diversion pier（8）The arc radius dividing pier on head（5）0.4 times of head circular radius.
2. a kind of off-centre operation arc water conservancy diversion applied to asymmetric lock station convolution Forebay of Pumping Station according to claim 1
Pier, it is characterized in that：First off-centre operation arc diversion pier（6）, Article 2 off-centre operation arc diversion pier（7）, Article 3 it is inclined
The arc-shaped diversion pier of the heart（8）Head cross section is designed to as arc, and the cross section of tail portion is both designed as rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721494261.9U CN207537995U (en) | 2017-11-10 | 2017-11-10 | A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721494261.9U CN207537995U (en) | 2017-11-10 | 2017-11-10 | A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207537995U true CN207537995U (en) | 2018-06-26 |
Family
ID=62612945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721494261.9U Active CN207537995U (en) | 2017-11-10 | 2017-11-10 | A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207537995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293518A (en) * | 2022-01-06 | 2022-04-08 | 扬州大学 | Y-shaped sedimentation type flow guide pier suitable for combination of gate station |
-
2017
- 2017-11-10 CN CN201721494261.9U patent/CN207537995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293518A (en) * | 2022-01-06 | 2022-04-08 | 扬州大学 | Y-shaped sedimentation type flow guide pier suitable for combination of gate station |
| CN114293518B (en) * | 2022-01-06 | 2023-03-31 | 扬州大学 | Y-shaped sedimentation type flow guide pier suitable for combination of gate station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104404926A (en) | Overflow dam with dam face cantilever sills for current diversion and energy dissipation | |
| CN201635061U (en) | Rectifying structure for lateral drainage | |
| CN207537995U (en) | A kind of off-centre operation arc diversion pier applied to asymmetric lock station convolution Forebay of Pumping Station | |
| CN103548088A (en) | Debris filter for nuclear reactor installation and nuclear fuel assembly comprising such a debris filter | |
| CN105909566A (en) | Combined type vortex control device for pump station water inlet flow field | |
| CN205421200U (en) | A class dissipation structure is chosen in outlet structure escape works export | |
| CN103385154B (en) | Drip irrigation pipe | |
| CN104805809B (en) | The Forebay of Pumping Station type of falling π dam fluidised form improves devices and methods therefor | |
| CN205475130U (en) | Fishway returns screwing in and rises section rest pond | |
| CN202406690U (en) | Novel energy-dissipating dripper flow channel mechanism | |
| CN200999341Y (en) | Side-wise inflow pumping station composite bottom ridge | |
| CN206428676U (en) | Spillway inlet channel guiding device | |
| CN206791236U (en) | One kind is with septate drip irrigation zone | |
| CN204683932U (en) | A kind of dry-touch type diaper | |
| CN102284387A (en) | Venturi principle-based irrigator | |
| CN206554039U (en) | A kind of vertical seam type fish channel structure | |
| CN110140635A (en) | A kind of douche based on annular complementary runner | |
| CN105804028A (en) | Convolute rising section rest pool of circuitous fishway | |
| CN206808292U (en) | Combined Labyrinth drip irrigation zone | |
| CN102577912A (en) | Special-shaped streaming trickle irrigation device | |
| CN202406691U (en) | Bidirectional flow drip tape | |
| CN107821113A (en) | A kind of anti-clogging drip irrigation appliance | |
| CN109235626A (en) | Special-shaped thin board type eliminates reflux unit in a kind of box type bidirectional runner | |
| CN219844391U (en) | Tesla valve type drip irrigation device | |
| CN204134758U (en) | A kind of slight irrigation water dropper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |