CN205530146U - Automatic balanced type pivot of dividing - Google Patents
Automatic balanced type pivot of dividing Download PDFInfo
- Publication number
- CN205530146U CN205530146U CN201620327409.9U CN201620327409U CN205530146U CN 205530146 U CN205530146 U CN 205530146U CN 201620327409 U CN201620327409 U CN 201620327409U CN 205530146 U CN205530146 U CN 205530146U
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- forebay
- weir
- pivot
- straight flange
- section
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Abstract
The utility model discloses an automatic balanced type pivot of dividing, including non -pressure tunnel, diffuser and the forebay section of dividing, the one end of non -pressure tunnel is carried to the diffuser from reservoir water intaking back, and the tunnel export of non -pressure tunnel is connected to diffuser one end, and the forebay section of dividing is connected to one end, the forebay section of dividing includes the diversion dam, is used for dividing. The utility model discloses an automatic balanced type pivot of dividing can the required water yield of the different target units of automatic allocation to guarantee that rivers steadily get into the pipeline, can eliminate the vortex and filtered water simultaneously.
Description
Technical field
This utility model relates to a kind of automatic balance type bifurcation pivot, belongs to water conservancy projects.
Background technology
The most domestic point of water building broad form is to utilize the gates of segmental shape of check gate to flow in river course
Amount controls and carries out using the equipment such as effusion meter and flow regulating valve to be controlled current in water distribution plant, behaviour
Making process complicated, time and effort consuming, equipment investment is big, and maintenance and replacement cycle are short, and impact is supplied water and ensured
Rate.Connecting pressure conduit for non-pressure tunnel, main employing builds forebay, when to multiple targets
When unit supplies water, often due to a target unit flow changes, also affect other several target simultaneously
Water supply, between each water-diversion structure influencing each other operation complexity, the adjustment of stabilisation systems normal water supply
Time is long.Water diversion project gets more and more to the situation of 3 or more than 3 target water supply at present,
Therefore use simple, reliable and economic point water type formula, become the Main way of research.To multiple
The target water level balance Control Scheme, water quality automatic fitration and the forebay that the relate to whirlpool etc. that disappears of supplying water is ground
Study carefully and the most more receive publicity.
Utility model content
The purpose of this utility model is: provide a kind of automatic balance type bifurcation pivot, it is possible to realize to three
The purpose that individual target supplies water.
For realizing the purpose of this utility model, it is achieved by the following technical solutions:
A kind of automatic balance type bifurcation pivot, including non-pressure tunnel, diffuser and Fen Shui forebay section, its
In:
One end of described non-pressure tunnel, after reservoir is fetched water, is delivered to diffuser, and diffuser one end connects
The tunnel outlet of non-pressure tunnel, one end connects Fen Shui forebay section；
Described Fen Shui forebay section includes diversion dam, for a point water.
Described automatic balance type bifurcation pivot, preferably:
Fen Shui forebay section also includes side weir, bleeder, forebay and Fen Shui forebay；
Diversion dam is U-shaped diversion dam, the left side being connected respectively with both side ends therewith including circular arc base
Straight flange and right side straight flange, the outer convex direction on described circular arc base is towards diffuser.
Described automatic balance type bifurcation pivot, preferably:
Composition bleeder, region between straight flange and left bank on the left of U-shaped weir；
Region between circular arc base, U-shaped weir and left side straight flange and right side straight flange constitutes forebay；
On the right side of U-shaped weir, the region between straight flange and side weir parallel-segment constitutes Fen Shui forebay.
Described automatic balance type bifurcation pivot, preferably:
Side weir includes two parts, and a part is tilting section, and its one end is connected on the right side of tunnel outlet, and
Being obliquely installed on the right side of water (flow) direction, constitute the right side hypotenuse of diffuser, another part is parallel-segment, with
On the right side of U-shaped weir, straight flange parallel interval is arranged, and is connected with side weir tilting section, and the other end is parallel with side weir
Section connects；
On the right side of side weir parallel-segment and U-shaped weir, the region between straight flange forms Fen Shui forebay, side weir and right bank
Between region formed automatic balance type bifurcation pivot drain tank.
Described automatic balance type bifurcation pivot, preferably: this automatic balance type bifurcation pivot also includes
Sluicing dark culvert, described drain tank was connected with dark culvert that sluice.
Described automatic balance type bifurcation pivot, preferably:
Left bank includes two parts, and a part is tilting section, exports to water (flow) direction left side from tunnel
Arranging, constitute the left side hypotenuse of diffuser, another part of left bank is horizontal segment, is connected with tilting section,
On the left of left bank horizontal segment and U-shaped weir, straight flange parallel interval is arranged, straight on the left of left bank horizontal segment and U-shaped weir
Formation bleeder, region between limit, the region between tilting section and the tilting section of side weir of left bank is constituted
Diffuser；
Right bank includes two parts, and a part is tilting section, starts to tilt intersegmental with side weir from tunnel outlet
Being obliquely installed on the right side of preset distance tailing edge water (flow) direction, right bank another part is horizontal segment, with inclination
Section connects, and on the right side of this horizontal segment and U-shaped weir, straight flange be arranged in parallel, and region therebetween is formed divides a water
Forebay.
Described automatic balance type bifurcation pivot, preferably:
The downstream of the forebay first row that be arranged in parallel disappears whirlpool pier and second row disappears whirlpool pier, is respectively provided with three
Individual and four；
The first row whirlpool pier that disappears is positioned at second row and disappears the upstream of whirlpool pier；
Three first rows whirlpool pier that disappears is vertical cylinder, and spacing is equal, and this whirlpool pier that disappears is in face of current
Face be the face of cylinder, the face back to current is plane, and first row disappears two whirlpools that disappear of the pier left and right sides, whirlpool
Pier is respectively separated preset distance setting with the left and right straight flange on U-shaped weir；
Four second rows whirlpool pier that disappears is vertical cylinder, and spacing is equal, and middle two second rows disappear
Whirlpool pier is plane in face of the face of current, back to the face of cylinder, face of current, and two second rows of the left and right sides
The whirlpool pier that disappears is close to the left and right sides straight flange on U-shaped weir respectively and is arranged.
Described automatic balance type bifurcation pivot, preferably:
Three first rows disappear three that arrange that position is respectively toward to that four second rows disappear between the pier of whirlpool of whirlpool pier
Outlet.
Described automatic balance type bifurcation pivot, preferably:
The disappear second row of whirlpool pier and its both sides of each first row disappears and is connected with filter between the pier of whirlpool
Net.
Described automatic balance type bifurcation pivot, preferably:
Described filter screen is rotary sieve.
Described automatic balance type bifurcation pivot, preferably:
This bifurcation pivot also includes water level self-balancing device, and this device is included in Fen Shui forebay Duan Zhongshe
The level sensor put, the energy dissipating power station arranged in section downstream, Fen Shui forebay, arranged in this energy dissipating power station
There are the hydraulic turbine, controller；Wherein
Level sensor is for detecting the water level of Fen Shui forebay section, and this water level signal is reached in real time clearly
The controller in energy dissipating power station, controller controls for the water level signal according to the Fen Shui forebay section received
The aperture of guide vanes of water turbine.
Described automatic balance type bifurcation pivot, preferably:
Controller judges that the water level of Fen Shui forebay section is higher than the first predetermined threshold, then according to this height of water level
Control guide vanes of water turbine and strengthen aperture；When controller judges that the water level of Fen Shui forebay section makes a reservation for less than second
Threshold value, then according to this height of water level, control guide vanes of water turbine and reduce aperture；When controller judges a point water
Forebay section water level is between the first predetermined threshold and the second predetermined threshold, then controller maintains the hydraulic turbine to lead
Leaf aperture is constant.
Compared with prior art, automatic balance type bifurcation pivot of the present utility model, it is possible to autobalance
Water level, optimizes the form of diversion dam in Fen Shui forebay, it is possible to automatically needed for distribution different target unit
The water yield, and guarantee to enable current steadily to enter pipeline, plus disappearing whirlpool pier in forebay, solve
Determine forebay eddy current problem；By adding filter screen, it is achieved that impurity screening, the mesh purified water
's；Under the conditions of different operating conditions, in automatic balance type bifurcation pivot, water surface curve is steady, wave height
Value mean square deviation is little, and overall flow velocity is less, and flow-shape is good；Diffuser produces without the most disorderly fluidised form
Raw；U-shaped diversion dam makes current flow to Fen Shui forebay the most symmetrically, improves into pond flow-shape.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this utility model automatic balance type bifurcation pivot；
Fig. 2 is this utility model water level self-balancing device schematic diagram.
Detailed description of the invention
Automatic balance type bifurcation pivot as shown in Figure 1, before non-pressure tunnel 1, diffuser 2, point water
Pond section 3, described Fen Shui forebay section includes U-shaped diversion dam 31.Arrow in accompanying drawing schematically shows
The direction of current.
One end of non-pressure tunnel 1 is after reservoir is fetched water, and the non-pressure tunnel 1 tunnel body delivery of process is extremely
Automatic balance type bifurcation pivot diffuser 2, wherein the tunnel outlet of diffuser 2 one termination non-pressure tunnel,
One termination Fen Shui forebay section 3.Diffuser 2 is exported by tunnel and the most broadening fades to Fen Shui forebay section 3.
Fen Shui forebay section 3 includes diversion dam 31, side weir 4, bleeder 8, forebay 32, Fen Shui
Forebay 9.The position of diversion dam 31 is positioned at the outermost water outlet side of diffuser 2, owing to needs are to bleeder
8, forebay 32 and Fen Shui forebay 9 divides water respectively, and therefore diversion dam 31 is designed as U-shaped point of water
Weir, this U-shaped diversion dam is generally u-shaped, is included in diffuser 2 and exports the circular arc bottom that outermost is arranged
Limit and with these both sides, circular arc base be respectively connected with along the left side straight flange that water (flow) direction horizontally outward extends and
Right side straight flange, the outer convex direction on this circular arc base is towards diffuser 2.
U-shaped diversion dam 31 circular arc base is arranged towards diffuser 2, between left side straight flange and left bank 6
Interval region constitutes bleeder 8, and outflow side, bleeder 8 arranges the first pipeline 35, bleeder 8 flows
The current gone out flow into this first pipeline 35, to first object region (such as the first tributary) water delivery；Diffusion
The part current that section 2 flows out flow to Fen Shui forebay 9 along straight flange on the right side of U-shaped weir, and Fen Shui forebay 9 is flowed out
Side arranges the 5th pipeline 39, Fen Shui forebay 9 current flowed out flow into the 5th pipeline 39, to
Three target areas (such as the 3rd tributary) water delivery；U-shaped diversion dam circular arc base and left side straight flange and right side
Region between straight flange constitutes forebay 32, and the current that forebay 32 flows out flow into multiple pipelines,
To the second target area (such as the second tributary) water delivery.Thus, the current flowed out from diffuser are U-shaped
Weir is divided into three parts: bleeder 8, forebay 32, Fen Shui forebay 9.
Side weir 4 is for overflow, and including two parts, a part is tilting section, constitutes the right side of diffuser 2
Skew back limit, its one end is connected on the right side of tunnel 1 outlet, i.e. exports along water (flow) direction to the right from tunnel
Being obliquely installed, another part is parallel-segment, parallel with straight flange on the right side of U-shaped weir and keep at a certain distance away and set
Putting, tilting section one end is connected on the right side of non-pressure tunnel 1 outlet, and the other end is connected with parallel-segment, side weir
On the right side of 4 parallel-segment and U-shaped weir, the region between straight flange forms Fen Shui forebay 9, the overall (bag of side weir 4
Include tilting section and parallel-segment) and right bank 7 between region drain tank 5 is set, drain tank 5 with sluice
Dark culvert is connected.
Left bank 6 includes two parts, and a part is tilting section, and one end is connected on the left of tunnel 1 outlet,
I.e. it is obliquely installed to the left along water (flow) direction from tunnel outlet, the left side hypotenuse of composition diffuser 2, one
Section be horizontal segment, be connected with the tilting section other end, and and U-shaped weir 31 on the left of straight flange parallel and be spaced one
Set a distance is arranged, formation bleeder, region 8 between straight flange on the left of left bank 6 horizontal segment and U-shaped weir 31.
Region between tilting section and the tilting section of side weir 4 of left bank 6 constitutes diffuser 2.
Right bank 7 includes two parts, and a part is tilting section, starts to tilt with side weir 4 from tunnel outlet
Spacer segment preset distance tailing edge water (flow) direction is obliquely installed to the right, and it is basic and side weir 4 tilting section is put down
OK, right bank 7 another part is horizontal segment, is connected with right bank horizontal segment, and puts down with side weir 4 parallel-segment
Between-line spacing preset distance is arranged.
The forebay 32 downstream first row that be arranged in parallel disappears whirlpool pier 33 and second row disappears whirlpool pier 34, respectively
Arrange three and four.First row disappears between whirlpool pier 33 the most spaced a predetermined distance, and is positioned at second row and disappears
The upstream of whirlpool pier 34, second row disappears between whirlpool pier 34 the most spaced a predetermined distance.Three first rows disappear whirlpool
Pier 33 is vertical cylinder, and spacing is equal, and the whirlpool pier 33 that disappears is the face of cylinder in face of the face of current,
Face back to current is plane, namely cross sectional shape is semicircle, and is positioned at the two of the current left and right sides
The individual left and right straight flange disappearing whirlpool pier 33 and U-shaped weir 31 is respectively separated preset distance and arranges.Four second rows
The whirlpool pier 34 that disappears is also for vertical cylinder, and spacing is equal, and two second rows of centre whirlpool pier 34 that disappears is met
The face current is plane, and the face back to current is the face of cylinder, namely cross sectional shape is semicircle, and
It is positioned at two second rows of the current left and right sides and disappears that to be close to the left and right sides on U-shaped weir 31 respectively straight for whirlpool pier 34
Limit is arranged, namely is separately fixed at and arranges on the left and right sides straight flange of U-shaped weir, therefore flows through first row and disappears
The disappear current of whirlpool pier 34 of whirlpool pier 33 and second row form four and enter three forms gone out, namely first row disappears whirlpool
Between pier 33, U-shaped weir two straight flange constitute four water inlets, and second row disappear between whirlpool pier 34 constitute
Three outlets, three outlet water outlet sides be respectively provided with second pipe 36, the 3rd pipeline 37,
Four pipelines 38, for supplying water to the second target area (such as the second tributary).Three first rows disappear whirlpool pier
The position that arranges of 33 is respectively toward to three outlets that four second rows disappear between whirlpool pier 34, and each
The disappear second row of whirlpool pier 33 and its both sides of individual first row disappears and is all connected with filter screen between whirlpool pier 34
10, preferably rotary sieve, the impurity in filtered water stream, such as branch, dead fish etc., with only
Change water quality.Disappeared the setting of whirlpool pier by as above two rows, it is possible to eliminates Fen Shui forebay section 3 and especially intakes
The water vortex of forebay 32.
First pipeline the-the five pipeline (35-39) is respectively provided with gate 40 in flow inlet side, for all
Closing, each pipeline partially enclosed, fully open, to control to enter the water yield of each pipeline.
Diversion dam 31 weir body, side weir 4 weir body, whirlpool pier 33, the 34 pier body that disappears are concrete casting
Type；Left bank 6, right bank 7 arrange concrete revetment.
As in figure 2 it is shown, this utility model automatic balance type automatic balance type bifurcation pivot also includes water level
Automatic balancing arrangement, this device is included in the energy dissipating power station of the 3rd downstream, tributary setting and (does not shows in Fig. 1
Go out), this energy dissipating power station is provided with the hydraulic turbine, controller；Fen Shui forebay section 3 is provided with water level pass
Sensor, the water level of detection Fen Shui forebay section 3, and water level signal is reached in real time the control in energy dissipating power station
Device, controller controls the aperture of guide vanes of water turbine, before balancing point water of automatic balance type bifurcation pivot
The water level in pond.Such as, when second pipe the 36, the 3rd pipeline the 37, the 4th pipeline 38 is by gate 40
After closedown, Fen Shui forebay section 3 water level rises, and the unnecessary water yield is flowed to by drain tank by side weir 4
Downstream, the setting of this side weir 4, also play the effect of autobalance Fen Shui forebay section 3 water level.Water
Level sensor sends the water level signal of Fen Shui forebay section 3 to controller, and controller judges Fen Shui forebay
Section 3 water level height, if above the first predetermined threshold (water level high threshold), then according to height of water level control
Guide vanes of water turbine processed strengthens aperture, to increase the current flowing through the 3rd tributary, reduces the water of Fen Shui forebay
Position, when the water level of the Fen Shui forebay section 3 that controller receives is less than the second predetermined threshold (low threshold of water level
Value), then according to height of water level, control guide vanes of water turbine and reduce aperture, to increase the water level of Fen Shui forebay,
Until the water level of water level Fen Shui forebay section 3 is between the first predetermined threshold and the second predetermined threshold, then control
Device processed maintains guide vanes of water turbine aperture constant, to keep the water level in Fen Shui forebay section 3.
Automatic balance type bifurcation pivot of the present utility model, current can steadily enter pipeline, before water inlet
Pond can eliminate eddy current, and good purification；It is under the conditions of different operating conditions, and this practicality is new
The automatic balance type bifurcation pivot of type, interior water surface curve is steady, and wave height value mean square deviation is little, and overall flow velocity is relatively
Little, flow-shape is good；Diffuser produces without the most disorderly fluidised form；U-shaped diversion dam makes current
Almost symmetry flows to Fen Shui forebay, improves into pond flow-shape；Forebay can be detected in real time
Water level, and regulate the water level of Fen Shui forebay section in real time, it is achieved that the autobalance of water level.
Embodiment described above is only to be described preferred implementation of the present utility model, and
Non-spirit and scope of the present utility model are defined.Without departing from this utility model design concept
Under premise, various modification that the technical solution of the utility model is made by this area ordinary person and improvement,
Protection domain of the present utility model all should be dropped into, the technology contents that this utility model is claimed,
Through all recording in detail in the claims.
Claims (5)
1. an automatic balance type bifurcation pivot, including non-pressure tunnel, diffuser and Fen Shui forebay
Section, it is characterised in that:
One end of described non-pressure tunnel, after reservoir is fetched water, is delivered to diffuser, diffuser one end
Connecting the tunnel outlet of non-pressure tunnel, one end connects Fen Shui forebay section；
Described Fen Shui forebay section includes diversion dam, for a point water.
Automatic balance type bifurcation pivot the most according to claim 1, it is characterised in that:
Fen Shui forebay section also includes side weir, bleeder, forebay and Fen Shui forebay；
Diversion dam is U-shaped diversion dam, is connected respectively with both side ends therewith including circular arc base
Left side straight flange and right side straight flange, the outer convex direction on described circular arc base is towards diffuser.
Automatic balance type bifurcation pivot the most according to claim 2, it is characterised in that:
Composition bleeder, region between straight flange and left bank on the left of U-shaped weir；
Before region between circular arc base, U-shaped weir and left side straight flange and right side straight flange constitutes water inlet
Pond；
On the right side of U-shaped weir, the region between straight flange and side weir parallel-segment constitutes Fen Shui forebay.
Automatic balance type bifurcation pivot the most according to claim 3, it is characterised in that:
Side weir includes two parts, and a part is tilting section, and its one end is connected on the right side of tunnel outlet,
And be obliquely installed on the right side of water (flow) direction, constituting the right side hypotenuse of diffuser, another part is flat
On the right side of row section, with U-shaped weir, straight flange parallel interval is arranged, and is connected with side weir tilting section, another
End is connected with side weir parallel-segment；
On the right side of side weir parallel-segment and U-shaped weir, region between straight flange forms Fen Shui forebay, side weir with
Region between right bank forms the drain tank of automatic balance type bifurcation pivot.
Automatic balance type bifurcation pivot the most according to claim 4, it is characterised in that: should
Automatic balance type bifurcation pivot also includes being connected with dark culvert that sluice dark culvert that sluice, described drain tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620327409.9U CN205530146U (en) | 2016-04-18 | 2016-04-18 | Automatic balanced type pivot of dividing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620327409.9U CN205530146U (en) | 2016-04-18 | 2016-04-18 | Automatic balanced type pivot of dividing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205530146U true CN205530146U (en) | 2016-08-31 |
Family
ID=56793480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620327409.9U Expired - Fee Related CN205530146U (en) | 2016-04-18 | 2016-04-18 | Automatic balanced type pivot of dividing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205530146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735207A (en) * | 2016-04-18 | 2016-07-06 | 辽宁省水利水电勘测设计研究院 | Automatic balanced type water-diversion pivot |
-
2016
- 2016-04-18 CN CN201620327409.9U patent/CN205530146U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735207A (en) * | 2016-04-18 | 2016-07-06 | 辽宁省水利水电勘测设计研究院 | Automatic balanced type water-diversion pivot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20190418 |