CN206220046U - A kind of flip trajectory bucket experimental rig for being applied to cushion pool - Google Patents
A kind of flip trajectory bucket experimental rig for being applied to cushion pool Download PDFInfo
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- CN206220046U CN206220046U CN201621222157.XU CN201621222157U CN206220046U CN 206220046 U CN206220046 U CN 206220046U CN 201621222157 U CN201621222157 U CN 201621222157U CN 206220046 U CN206220046 U CN 206220046U
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Abstract
The utility model is related to a kind of flip trajectory bucket experimental rig for being applied to cushion pool, including water circulation system, overflow system and energy-dissipating system.The water circulation system is formed by connecting by downstream water leg, return pipe, lower condensate sump, water pump, upper hose and upper condensate sump；Overflow system is made up of abutment pier, middle pier, weir crest curved section, middle straight line section, bottom ogee section and horizontal bucket lip section；Energy-dissipating system includes plunge pool floor, sloped sides, horizontal packway, Er Daoba, shot block and downstream stilling pond, the common energy dissipating of anti-impact system that the water body and shot block stone accumulation body in cushion pool are constituted.The utility model is the offer devices such as the influences of the factor to effect of energy dissipation such as shape, particle diameter, the unit weight of dissipation and scouring mechanism and shot block of the research shot block stone accumulation body in cushion pool, shot accumulation body is also applied under sluicing effect, the stability and the related scientific research such as porosity and stress distribution relation and plunge pool experimental teaching aspect of system is piled up.
Description
Technical field
The utility model is related to a kind of flip trajectory bucket experimental rig for being applied to cushion pool, belongs to high dam flood-discharge energy-dissipating technology
Field.
Background technology
In recent years, with national development of the West Regions and transferring electricity from the west to the east implementation, western high-mountain gorge areas are built
A collection of 200~300m grades high dam.The characteristics of these engineering in general have high water head, big flow, increased outlet structure escape works cloth
The difficulty put.Therefore, Energy Dissipation in High Dam problem is the emphasis and difficult point of energy dissipater's research.
At present, using the Energy Dissipation Modes for choosing stream plus cushion pool more than induced joint.In Practical Project, using underwater bed certainly often
What is so formed rushes hole or artificial builds that cushion pool forms certain thickness and the water cushion of certain volume falls into downstream river course water to dissipate
The energy of stream, while by scour hole or cushion pool bottom anti-impact layer river bottom protection, reaching the purpose of erosion control.With to plunge pool
What mechanism and Scouring Characteristic recognized deepens continuously, and some scholars attempt using the water body and shot block stone accumulation body structure in cushion pool
Into the common energy dissipating of anti-impact system mode, this Energy Dissipation Modes are that a certain amount of shot block stone is placed in cushion pool, are passed through
The high speed overflow let out under overfall dam consumes part energy, the part kinetic energy transmission of current when impacting the rough surface of shot block stone
Shot block is given, makes mutual collision friction between shot block, kinetic energy is changed into thermal energy consumption, meanwhile, current are in shot block
Turbulent fluctuation is produced in passage between body, and is mixed with large quantity of air, between current, between current and shot block and current with
Collide with each other blending between air, consumes big energy.Due to cannot also exactly set up shot block stone at present in natural packing
Numerical model under state, therefore exploration to this new energy dissipating method is mainly by experimental study, and one has been obtained at present
A little achievements, these achievements in research are to set up safe and reliable, simple and practical, economical rationality new erosion control river bottom protection method to have laid base
Plinth.
Utility model content
It is that related scientific research and teaching are carried to further study dissipation and scouring mechanism of the shot accumulation body in cushion pool
For experimental condition, it is necessary to design and make a kind of flip trajectory bucket experimental rig for being applied to cushion pool.
In order to solve the above-mentioned technical problem, the utility model proposes following technical scheme：It is a kind of to be applied to choosing for cushion pool
Stream energy dissipating experimental rig, it includes water circulation system, overflow system and energy-dissipating system, and the water circulation system is used to be carried for experiment
For the circulating water flow of continuous stabilization, experiment water supply requirement is met；The overflow system is used to provide choosing for fluid stable for experiment
Jetting stream；The landform of cushion pool both sides in the energy-dissipating system simulation Practical Project, and using the water body and shot in cushion pool
The common energy dissipating of anti-impact system that block stone accumulation body is constituted.
The water circulation system includes downstream water leg, and the downstream water leg is connected by return pipe with return pipe import
Logical, the stilling pond in the Dao Ba downstreams of Bing Yu bis- is connected, and the return pipe import is located on the base plate of water leg, return pipe outlet position
In on the side wall of lower condensate sump and being connected；Lower condensate sump top is provided with water pump, the upper hose water inlet and water of upper hose
Pump is connected, and upper hose delivery port is connected with upper condensate sump bottom；The upper condensate sump is spaced with current stabilization baffle plate and current stabilization orifice plate, on
The water inlet that header tank delivery port is formed with abutment pier and the crest section of overflow system is communicated；Collect in the frame-type support support
Water tank and fixed water pump, upper condensate sump top is provided with top cover.
The overflow system includes middle pier, and the pier nose and pier tail of the middle pier are using semicircle, the upstream and downstream of both sides abutment pier
End is circular using 1/4, and abutment pier and weir crest curved section are connected with upper condensate sump delivery port, and current are from top curve section along dam facing
Under let out to form surface current；The downflow weir top curve pattern uses WES curves, and middle straight line section is anti-with top curve section and bottom
Segmental arc is in smoothing junction, and bottom ogee section is also adopted by smooth connection with horizontal bucket lip section, and current form flip shot current by bucket lip section,
In dropping to the water cushion pool downstream pool.
Shot in base plate of the energy-dissipating system including cushion pool, sloped sides, horizontal packway, Er Daoba, cushion pool
Block and downstream stilling pond；The plunge pool floor is horizonal base plate, and both sides set the slope of certain ratio of slope, and are respectively provided with water
Flat packway；The two Dao Ba upstreams are domatic perpendicular to base plate, and it is the slope of certain ratio of slope that downstream is domatic；The shot block with
Machine is delivered in cushion pool.
Two road dams form stilling pond with downstream sloped sides in the energy-dissipating system, and secondary energy dissipating is carried out to flip shot current.
The utility model provide a kind of experimental rig of utilization shot accumulation body dissipation and scouring in cushion pool, with
Lower beneficial effect：
The utility model considers the orographic condition of cushion pool both sides in Practical Project, and cushion pool both sides are arranged to necessarily
The slope of ratio of slope, and horizontal packway is respectively provided with, it is up big and down small compounded trapezoidal section to form section configuration, experiment is more accorded with
Actual conditions are closed, increases the reliability of result of the test.
Energy-dissipating system in the utility model simulates the anti-impact that water body and shot block stone accumulation body in cushion pool are constituted
The method of the common energy dissipating of system, for dissipation and scouring mechanism of the research shot block stone accumulation body in cushion pool provides support, also may be used
Hydraulic engineering relevant speciality experimental teaching is applied to, strengthens student to the understanding to new dissipation and scouring method.
The shot block stone delivered in cushion pool in the utility model can be using the examination of different materials, different shape and size
Sample, to study the factor such as unit weight, shape, particle diameter of bulk solid to offer device conditions such as effect of energy dissipation influences.
The utility model device apply also for shot accumulation body sluicing effect under, pile up system stability with
The correlative studys such as the relation of porosity and stress distribution.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is perspective view of the present utility model
Fig. 2 is main sectional view of the present utility model.
Fig. 3 is stereogram of the present utility model.
In figure：4 downstream water legs, 5 return pipe imports, 6 return pipes, the outlet of 7 return pipes, 8 lower condensate sumps, 9 upper hoses,
10 upper hose imports, 11 water pumps, the outlet of 12 upper hoses, 13 frame-type supports, 14 upper condensate sumps, 15 current stabilization baffle plates, 16 current stabilization orifice plates,
Pier, 21 top curves section, 22 middle straight lines section, 23 bottoms are anti-in 17 upper condensate sump delivery ports, 18 water tank top covers, 19 abutment piers, 20
Segmental arc, 24 horizontal bucket lip sections, 25 base plates, 26 sloped sides, 27 horizontal packways, 28 2 road dams, 30 cushion pools, 31 downstreams disappear power
The pool.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
Such as Fig. 1-3, a kind of flip trajectory bucket experimental rig for being applied to cushion pool, it includes water circulation system, overflow system
And energy-dissipating system, for providing continuous, stable circulating water flow for experiment, satisfaction tests water supply requirement to the water circulation system；
The overflow system is used to be provided for experiment the flip shot current of fluid stable；Cushion pool in the energy-dissipating system simulation Practical Project
The landform of both sides, and the common energy dissipating of anti-impact system constituted using the water body and shot block stone accumulation body in cushion pool.
Further, the water circulation system includes downstream water leg 4, and the downstream water leg 4 is by return pipe 6 and returns
Water pipe import 5 is connected, and the stilling pond 31 in the Dao Ba downstreams of Bing Yu bis- is connected, and the return pipe import 5 is located at the bottom of water leg 4
On plate, return pipe outlet 7 is located on the side wall of lower condensate sump 8 and is connected；The top of lower condensate sump 8 is provided with water pump 11, on
The upper hose water inlet 10 of water pipe 9 is connected with water pump 11, and upper hose delivery port 12 is connected with the bottom of upper condensate sump 14；The upper collection
Water tank 14 is spaced with current stabilization baffle plate 15 and current stabilization orifice plate 16, and upper condensate sump delivery port 17 is bent with the abutment pier 19 and dam crest of overflow system
The water inlet that line segment 21 is formed is communicated；The support upper condensate sump 14 of frame-type support 13 and fixed water pump 11, upper condensate sump 14 are pushed up
Portion is provided with top cover 18.
Further, the overflow system includes middle pier 20, and the pier nose and pier tail of the middle pier 20 are using semicircle, both sides
The upstream and downstream end of abutment pier 19 is circular using 1/4, and abutment pier 19 and weir crest curved section 21 are connected with upper condensate sump delivery port 17, water
Stream to form surface current from top curve section 21 along being let out under dam facing；The downflow weir top curve pattern uses WES curves, middle straight line
Section 22 is in smoothing junction with top curve section 21 and bottom ogee section 23, and bottom ogee section 23 is also adopted by smoothing with horizontal bucket lip section 24
Connection, current by the formation flip shot current of bucket lip section 24, in dropping to the water cushion pool downstream pool.
Further, the energy-dissipating system includes base plate 25, sloped sides 26, horizontal packway 27, two roads of cushion pool 30
Shot block and downstream stilling pond 31 in dam 28, cushion pool；The plunge pool floor 25 is horizonal base plate, and both sides set certain
The slope 26 of ratio of slope, and it is respectively provided with horizontal packway 27；Two road dam, 28 upstreams are domatic perpendicular to base plate 25, and downstream is domatic to be
The slope of certain ratio of slope；The shot block is delivered in cushion pool 30 at random.
Further, two road dams 28 form stilling pond 31 with downstream sloped sides 26 in the energy-dissipating system, to flip shot water
Stream carries out secondary energy dissipating.
Further, the both sides of the cushion pool 30 are arranged to the slope 26 of certain ratio of slope, and are respectively provided with horizontal packway 27,
It is up big and down small compounded trapezoidal section to form section configuration.
Further, the shot block delivered in the cushion pool 30 is the definite shape and size that a certain material is made
Sample, can be tested for different researchs using the sample of different materials, different shape and size.
Further, the shot block can be rectangular block, triangular pyramid block, hexahedron different shape.
Embodiment 2：
In the present embodiment, the size of water circulation system middle and lower reaches water leg is 0.3m × 1.2m × 0.8m, return pipe
A diameter of 0.1m, the size of lower condensate sump is 1.0m × 1.25m × 0.6m, a diameter of 0.05m of upper hose, the chi of upper condensate sump
Very little is 1.0m × 0.7m × 1.0m, is spaced with current stabilization baffle plate and current stabilization orifice plate, and frame-type support uses the angle steel system of length of side 0.05m
Into support upper water box and water pump.Overfall dam is divided into 3 holes, single hole clear span 0.175m, middle pier 0.05m wide, abutment pier 0.037m wide, dam
Top is 1.69m with the discrepancy in elevation of water cushion pool downstream pool base plate.Cushion pool 2.3m long, bottom width 0.6m, deep 0.8m, both sides side slope compares 1:0.3；
The shot block delivered in cushion pool is prefabricated positive tetrahedron and cube concrete block, there is three kinds of different-grain diameters respectively；
Wherein, the length of side of cube concrete block is respectively 3cm, 4cm, 5cm；The rib of positive tetrahedron concrete block is long to be respectively
6.12cm、8.16cm、10.20cm.Cushion pool material is made using transparent organic glass, so as to observe in device current phenomenon and
Wash away situation.
By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought
In the range of, carry out various changes and amendments all within protection domain of the present utility model.It is of the present utility model not most
Matters, belong to the common knowledge of those skilled in the art.
Claims (4)
1. a kind of flip trajectory bucket experimental rig for being applied to cushion pool, it is characterised in that：It includes water circulation system, overflow system
And energy-dissipating system, for providing continuous, stable circulating water flow for experiment, satisfaction tests water supply requirement to the water circulation system；
The overflow system is used to be provided for experiment the flip shot current of fluid stable；Cushion pool in the energy-dissipating system simulation Practical Project
The landform of both sides, and the common energy dissipating of anti-impact system constituted using the water body and shot block stone accumulation body in cushion pool；
The water circulation system includes downstream water leg（4）, the downstream water leg（4）By return pipe（6）Enter with return pipe
Mouthful（5）It is connected, the stilling pond in the Dao Ba downstreams of Bing Yu bis-（31）It is connected, the return pipe import（5）Positioned at water leg（4）'s
On base plate, return pipe outlet（7）Positioned at lower condensate sump（8）Side wall on and be connected；Lower condensate sump（8）Top is provided with water
Pump（11）, upper hose（9）Upper hose water inlet（10）With water pump（11）It is connected, upper hose delivery port（12）With upper condensate sump
（14）Bottom connects；The upper condensate sump（14）Use current stabilization baffle plate（15）With current stabilization orifice plate（16）Interval, upper condensate sump delivery port
（17）With the abutment pier of overflow system（19）And crest section（21）The water inlet of formation is communicated；Frame-type support（13）Collect in support
Water tank（14）And fixed water pump（11）, upper condensate sump（14）Top is provided with top cover（18）.
2. a kind of flip trajectory bucket experimental rig for being applied to cushion pool according to claim 1, it is characterised in that：It is described to overflow
Streaming system includes middle pier（20）, the middle pier（20）Pier nose and pier tail using semicircle, both sides abutment pier（19）Upstream and downstream end
It is circular using 1/4, abutment pier（19）With weir crest curved section（21）With upper condensate sump delivery port（17）It is connected, current are bent from top
Line segment（21）Surface current is formed along being let out under dam facing；The downflow weir top curve pattern uses WES curves, middle straight line section（22）With
Top curve section（21）With bottom ogee section（23）Smooth connection, bottom ogee section（23）With horizontal bucket lip section（24）It is also adopted by putting down
Slip, current are by bucket lip section（24）Flip shot current are formed, in dropping to the water cushion pool downstream pool.
3. a kind of flip trajectory bucket experimental rig for being applied to cushion pool according to claim 1, it is characterised in that：It is described to disappear
Energy system includes cushion pool（30）Base plate（25）, sloped sides（26）, horizontal packway（27）, Er Daoba（28）, in cushion pool
Shot block and downstream stilling pond（31）；The plunge pool floor（25）It is horizonal base plate, both sides set the oblique of certain ratio of slope
Slope（26）, and it is respectively provided with horizontal packway（27）；Two road dam（28）Upstream is domatic perpendicular to base plate（25）, downstream is domatic to be
The slope of certain ratio of slope；The shot block is delivered in cushion pool at random（30）In.
4. a kind of flip trajectory bucket experimental rig for being applied to cushion pool according to claims 1, it is characterised in that：It is described
Two road dam in energy-dissipating system（28）With downstream sloped sides（26）Form stilling pond（31）, secondary energy dissipating is carried out to flip shot current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222157.XU CN206220046U (en) | 2016-11-14 | 2016-11-14 | A kind of flip trajectory bucket experimental rig for being applied to cushion pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222157.XU CN206220046U (en) | 2016-11-14 | 2016-11-14 | A kind of flip trajectory bucket experimental rig for being applied to cushion pool |
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| Publication Number | Publication Date |
|---|---|
| CN206220046U true CN206220046U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621222157.XU Expired - Fee Related CN206220046U (en) | 2016-11-14 | 2016-11-14 | A kind of flip trajectory bucket experimental rig for being applied to cushion pool |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406756A (en) * | 2018-12-05 | 2019-03-01 | 西北农林科技大学 | A kind of energy dissipating desilting simulation test device and method |
| CN110542752A (en) * | 2019-10-09 | 2019-12-06 | 中国科学院地理科学与资源研究所 | Slope runoff simulation device and using method thereof |
| CN111074860A (en) * | 2020-01-08 | 2020-04-28 | 清华大学 | Double-layer vibration absorption and noise elimination pond wall surface structure |
| CN111183927A (en) * | 2020-01-17 | 2020-05-22 | 长江水利委员会长江科学院 | Experimental system and method for quantifying hydraulic factor range preferred by fishes |
-
2016
- 2016-11-14 CN CN201621222157.XU patent/CN206220046U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406756A (en) * | 2018-12-05 | 2019-03-01 | 西北农林科技大学 | A kind of energy dissipating desilting simulation test device and method |
| CN110542752A (en) * | 2019-10-09 | 2019-12-06 | 中国科学院地理科学与资源研究所 | Slope runoff simulation device and using method thereof |
| CN111074860A (en) * | 2020-01-08 | 2020-04-28 | 清华大学 | Double-layer vibration absorption and noise elimination pond wall surface structure |
| CN111183927A (en) * | 2020-01-17 | 2020-05-22 | 长江水利委员会长江科学院 | Experimental system and method for quantifying hydraulic factor range preferred by fishes |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20170606 Termination date: 20171114 |