CN107545826B - Short flume experiment device - Google Patents
Short flume experiment device Download PDFInfo
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- CN107545826B CN107545826B CN201710956237.0A CN201710956237A CN107545826B CN 107545826 B CN107545826 B CN 107545826B CN 201710956237 A CN201710956237 A CN 201710956237A CN 107545826 B CN107545826 B CN 107545826B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 238000003860 storage Methods 0.000 claims abstract description 12
- 230000003028 elevating effect Effects 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011173 large scale experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
A kind of short flume experiment device, including water storage box, water pump, experimental trough, variable-flow weir and tune flow to water tank, the bottom plate of variable-flow weir is equipped with water inlet and water outlet, water-stop sheet is equipped with around water outlet, overflow plate is equipped on the inside of water-stop sheet, overflow plate is connected with elevating lever, variable-flow weir is arranged parallel with experimental trough, the two flows to water tank using tune and is connected, tune flows to water tank equipped with high bottom plate and low bottom plate, drop fairing is equipped with above low bottom plate, rectification water outlet plate is equipped on the side plate that tune between low bottom plate and drop fairing flows to water tank, it is equipped in the end of experimental trough and divides shape tail-gate.The length of the present apparatus is shorter, and device low manufacture cost, occupied area is small, experimental study and teaching suitable for field of hydraulics.
Description
Technical field
The invention belongs to hydraulic experiment Instrument technology fields, and in particular to a kind of short flume experiment device.
Background technique
Flume experiment device is hydraulics and the common instrument and equipment of river dynamics experimental study, a large amount of open-channel flow
Experiment and silt experiment are required to complete in flume experiment device.Traditional flume experiment device volume and weight are all very big,
Some flume experiment devices are also equipped with special groundwater reservoir peace water tower.In recent years, in order to reduce occupied area, device is saved
Cost of manufacture, a large amount of flume experiment device eliminates groundwater reservoir peace water tower, then uses water storage box and steady water tank, sink
Experimental provision is gradually to miniaturization.Current flume experiment device is generally by experimental trough, weir, steady water tank, water storage
Case and water pump composition, weir and experimental trough are arranged in "-" type.Water flows through water pump lifting to steady water tank in water storage box, then according to
It is secondary to flow to weir and experimental trough, be finally returned to water storage box, between steady water tank and weir be equipped with valve come control into
Enter the water flow of experimental trough.Flow rate of water flow Latitudinal section is needed to form in experimental trough along the consistent uniform flow experiment of journey
Section carries out experimental study, but this uniform flow experimental section is easy to be influenced by the water inlet of upstream weir and sink end tail
The water outlet of door influences, and solves the problems, such as that this main method is to increase the length of experimental trough, at present to guarantee uniform flow experimental section
The length long enough of the water outlet changeover portion of the water inlet changeover portion and downstream of upstream.Therefore, the length of experimental trough is generally very long, then
In addition the length of weir is also longer, so, the total length of flume experiment device is generally all very big, for example, a sink
Width is the flume experiment device of 0.4m, and total length is often beyond 10m.Currently, the length of flume experiment device is larger, length
It is too long to occupy excessive experimental site to a certain extent, the utilization efficiency of experimental site is influenced, and lead to flume experiment
Device can only often be placed in large-scale experiment room, and cannot be placed in lesser room.Therefore, it is shorter to design a kind of length
Flume experiment device is necessary.
Summary of the invention
For the above problem existing for flume experiment device, in order in the length for guaranteeing uniform flow experimental section in experimental trough
Under the premise of sufficiently long, the drawback for overcoming flume experiment device length too long, while further decreasing device cost of manufacture, this hair
It is bright to provide a kind of short flume experiment device.
To achieve the above object, the present invention takes following technical proposals:
A kind of short flume experiment device, including water storage box, water pump, experimental trough, variable-flow weir and tune flow to out
Water tank；The bottom plate of variable-flow weir is equipped with water inlet and water outlet, and water-stop sheet, water-stop sheet inside are equipped with around water outlet
Equipped with overflow plate, overflow plate is connected with elevating lever, variable-flow weir also have as general weir rectification orifice plate and
Weir plate；Variable-flow weir arranges that the two flows to water tank using tune and is connected with experimental trough parallel；Tune flows to water tank and sets
There are high bottom plate and low bottom plate, drop fairing is equipped with above low bottom plate, drop fairing is worn by horizontally disposed fixation
Orifice plate and movable perforated plate are constituted, and the height for the fairing that drops is slightly below high bottom plate, low bottom plate and drop fairing it
Between tune flow to water tank side plate be equipped with rectification water outlet plate；It is equipped in the end of experimental trough and divides shape tail-gate, divide shape tail-gate
It is made of tail-gate fixed plate and tail-gate movable plate, tail-gate fixed plate and tail-gate movable plate are all made of hibert curve and are opened
Hole.
Preferably, the water-stop sheet in variable-flow weir and overflow plate are cylindrical shape.
The beneficial effects of the present invention are:
1, variable-flow weir of the invention controls the flow into experimental trough by adjusting the height of overflow plate,
Without using the control and measurement completed under conditions of steady water tank to flow, device cost of manufacture is saved, land occupation face is reduced
Product.
2, the present invention flows to that water tank realizes variable-flow weir and experimental trough is arranged parallel by adjusting, and reduces water
The length of slot experimental provision.
3, tune of the invention flows to water tank with rectification function, and stream velocity flow profile is more uniform out, sink water inlet transition
The length of section is shorter, to reduce the length of flume experiment device.
It is 4, of the invention that divide shape tail-gate to influence sink tail portion flow-shape smaller, sink be discharged the length of changeover portion compared with
It is short, to reduce the length of flume experiment device.
Detailed description of the invention
Fig. 1 is planar structure schematic diagram of the invention.
Fig. 2 is the A-A section structure diagram of Fig. 1.
Fig. 3 is the B-B section structure diagram of Fig. 1.
Fig. 4 is the C-C section structure diagram of Fig. 1.
Fig. 5 is the structural schematic diagram of tail-gate fixed plate.
Fig. 6 is the structural schematic diagram of tail-gate movable plate.
In figure: 1-water pump, 2-water storage boxes, 3-water inlets, 4-water-stop sheets, 5-water outlets, 6-overflow plates, 7-is steady
Water hole plate, 8-variable-flow weirs, 9-tune flow to water tank, and 10-drop fairings, 11-fixed perforated plates, 12-is living
Dynamic perforated plate, 13-experimental troughs, 14-divide shape tail-gate, 15-elevating levers, 16-weir plates, 17-high bottom plates, 18-low bottom plates,
19-rectification water outlet plates, 20-tail-gate fixed plates, 21-tail-gate movable plates.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 1 to Fig. 6, a kind of short flume experiment device, including water storage box 2, water pump 1, experimental trough 13, variable-flow
Weir 8 and tune flow to water tank 9；The bottom plate of variable-flow weir 8 was equipped with water inlet 3 and water outlet 5, at water outlet 5 weeks
It encloses and is equipped with water-stop sheet 4, be equipped with overflow plate 6 on the inside of water-stop sheet 4, water-stop sheet 4 and overflow plate 6 are cylindrical shape, the internal diameter of water-stop sheet 4
Roughly equal with the outer diameter of overflow plate 6, overflow plate 6 is connected with elevating lever 15, overflow plate 6 under the drive of elevating lever 15 can more than
Lower movement, variable-flow weir 8 also have water stabling aperture board 7 and weir plate 16 as general weir, and weir plate 16 is right angle three
Angular weir plate；Variable-flow weir 8 and experimental trough 13 arrange that the two flows to water tank 9 using tune and is connected parallel；Adjust flow direction
Water tank 9 is equipped with high bottom plate 17 and low bottom plate 18, and drop fairing 10 is equipped with above low bottom plate 18, and drop fairing 10
It is made of horizontally disposed fixed perforated plate 11 and movable perforated plate 12, movable perforated plate 12 directly overlays fixed perforated plate 11
Upper (the material production big using density ratio water of movable perforated plate 11), the height of drop fairing 10 is slightly below high bottom plate 17,
Rectification water outlet plate 19 is equipped on the side plate that tune between low bottom plate 18 and drop fairing 10 flows to water tank 9；It is testing
The end of sink 13, which is equipped with, divides shape tail-gate 14, and a point shape tail-gate 14 is made of tail-gate fixed plate 20 and tail-gate movable plate 21, and tail-gate is solid
Fixed board 20 and tail-gate movable plate 21 are all made of hibert curve (Hilbert curve) and carry out aperture, and hibert curve is one
Kind of fractal graph, it constantly refines out small square during grey iterative generation, in the present embodiment when refining out just
Rectangular side length stops refinement when being less than 1/16 times of 13 width of experimental trough, then by the region of hibert curve side
It cuts away to form tail-gate fixed plate 20, in addition one block of plate cuts away the region of the other side of hibert curve to form tail
Door movable plate 21, tail-gate movable plate 21 are connected with an elevating lever, move up and down to realize.
Work process and working principle of the invention is: water pump 1 in starting water storage box 2, water flow is by water pipe by water inlet 3
Into variable-flow weir 8, water level is gradually risen until reaching the height at 6 top of overflow plate, a part in variable-flow weir 8
Water flow covers overflow plate 6 and returns to water storage box 2 by the water pipe being connected with water outlet 5 again, and a part of water flow is fallen by weir plate 16
Tune flows in water tank 9, controls the height of overflow plate 6 by adjusting elevating lever 15, to reach control variable-flow weir 8
The purpose of interior water flow water level and the water flow by weir plate 16 flows if the height of overflow plate 6 is remained unchanged from weir plate 16
Flow out is also constant；In the drop fairing 10 and rectification water outlet plate 19 for flowing to water tank 9 through toning, the two have water flow
There is after the component of rectification function it go out to flow velocity flow profile and become more uniformly, if the uniformity for going out stream velocity flow profile is not enough managed
Think, the size of drop 10 hole of fairing can be adjusted along water (flow) direction back-and-forth motion activity perforated plate 12, fallen so that passing through
Flow distribution of the water flow of water fairing 10 on the cross-section of river is generally uniform, and then guarantees that outflow is adjusted and flow to water tank 9
Water flow is more uniform；Water flow flows to water tank 9 from tune and flows into experimental trough 13, moves up and down the tail-gate movable plate of point shape tail-gate 14
21, in order to which the depth of water in experimental trough 13 to be adjusted to the size to needs；Water flows through excessive shape tail-gate 14 and falls into experimental trough again
The water storage box 2 of 13 lower sections, completes water circulation.
Claims (2)
1. a kind of short flume experiment device, including water storage box, water pump, experimental trough, it is characterised in that: further include variable-flow amount
Mill weir and tune flow to water tank, and the bottom plate of variable-flow weir is equipped with water inlet and water outlet, be equipped with around water outlet every
Water plate, water-stop sheet inside are equipped with overflow plate, and overflow plate is connected with elevating lever；Variable-flow weir arranges parallel with experimental trough,
The two flows to water tank using tune and is connected；Tune flows to water tank equipped with high bottom plate and low bottom plate, is equipped with and falls above low bottom plate
Water fairing, drop fairing are made of horizontally disposed fixed perforated plate and movable perforated plate, and drop fairing
Height is slightly below high bottom plate, is equipped with rectification water outlet on the side plate that the tune between low bottom plate and drop fairing flows to water tank
Plate；It is equipped in the end of experimental trough and divides shape tail-gate, a point shape tail-gate is made of tail-gate fixed plate and tail-gate movable plate, and tail-gate is fixed
Plate and tail-gate movable plate are all made of hibert curve and carry out aperture.
2. short flume experiment device according to claim 1, it is characterised in that: the water-stop sheet and the overflow plate are equal
For cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956237.0A CN107545826B (en) | 2017-10-15 | 2017-10-15 | Short flume experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956237.0A CN107545826B (en) | 2017-10-15 | 2017-10-15 | Short flume experiment device |
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| Publication Number | Publication Date |
|---|---|
| CN107545826A CN107545826A (en) | 2018-01-05 |
| CN107545826B true CN107545826B (en) | 2018-12-25 |
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| CN201710956237.0A Active CN107545826B (en) | 2017-10-15 | 2017-10-15 | Short flume experiment device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202650351U (en) * | 2012-04-01 | 2013-01-02 | 西安理工大学 | Flume experiment device |
| CN103065537A (en) * | 2013-01-22 | 2013-04-24 | 安徽理工大学 | Rotary multifunctional open channel testing device |
| CN104949718A (en) * | 2015-06-12 | 2015-09-30 | 浙江大学 | Self-circulation open channel experimental device with teaching effect flow digital display function |
| CN206194209U (en) * | 2016-09-12 | 2017-05-24 | 扬州大学 | Self -circulation experiment appearance is flowed on small -size weir |
| CN106802228A (en) * | 2017-03-14 | 2017-06-06 | 河海大学 | A kind of experimental tank and its test method |
| CN206249772U (en) * | 2016-09-21 | 2017-06-13 | 陈惠玲 | A kind of open channel experimental trough tail-gate |
| CN207704732U (en) * | 2017-10-15 | 2018-08-07 | 安徽理工大学 | Short flume experiment device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3025160B2 (en) * | 1994-09-28 | 2000-03-27 | 三菱重工業株式会社 | Two-layer flow test equipment |
| US9886872B2 (en) * | 2013-06-12 | 2018-02-06 | Eaton Corporation | Hydraulic training system and method |
-
2017
- 2017-10-15 CN CN201710956237.0A patent/CN107545826B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202650351U (en) * | 2012-04-01 | 2013-01-02 | 西安理工大学 | Flume experiment device |
| CN103065537A (en) * | 2013-01-22 | 2013-04-24 | 安徽理工大学 | Rotary multifunctional open channel testing device |
| CN104949718A (en) * | 2015-06-12 | 2015-09-30 | 浙江大学 | Self-circulation open channel experimental device with teaching effect flow digital display function |
| CN206194209U (en) * | 2016-09-12 | 2017-05-24 | 扬州大学 | Self -circulation experiment appearance is flowed on small -size weir |
| CN206249772U (en) * | 2016-09-21 | 2017-06-13 | 陈惠玲 | A kind of open channel experimental trough tail-gate |
| CN106802228A (en) * | 2017-03-14 | 2017-06-06 | 河海大学 | A kind of experimental tank and its test method |
| CN207704732U (en) * | 2017-10-15 | 2018-08-07 | 安徽理工大学 | Short flume experiment device |
Non-Patent Citations (1)
| Title |
|---|
| "旋转式明渠流综合实验平台研制与应用";戎贵文 等;《南水北调与水利科技》;20151031;第13卷(第5期);第1008-1010页 * |
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| CN107545826A (en) | 2018-01-05 |
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Application publication date: 20180105 Assignee: HUNAN WEICHU SCIENCE & EDUCATION TRAINING ROOM EQUIPMENT Co.,Ltd. Assignor: Anhui University of Science and Technology Contract record no.: X2023980045447 Denomination of invention: Short water tank experimental device Granted publication date: 20181225 License type: Common License Record date: 20231107 |
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