CN105803999B - River model test system - Google Patents
River model test system Download PDFInfo
- Publication number
- CN105803999B CN105803999B CN201610295576.4A CN201610295576A CN105803999B CN 105803999 B CN105803999 B CN 105803999B CN 201610295576 A CN201610295576 A CN 201610295576A CN 105803999 B CN105803999 B CN 105803999B
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- Prior art keywords
- gaza
- motor
- fixed
- laboratory
- container
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
Abstract
The present invention relates to a kind of river model test system, including laboratory, master controller, simulated water pressure device and simulated flow device；Simulated water pressure device includes air pump, and air pump is connected by tracheae with laboratory；Simulated flow device includes water pump, and water pump is connected by water pipe with laboratory；Laboratory is to be equipped with river model in a closed chamber, laboratory, and river model is horizontally disposed with left-right direction, and upper surface is provided with bed load gaza device on the left of river model；Bed load gaza device includes gaza's container, mixing gravel mechanism, support frame and automatic sediment transport mechanism；Gaza's container, mixing gravel mechanism and automatic sediment transport mechanism are successively set on support frame from top to bottom.Automaticity of the present invention is high, adaptable to sophisticated testing condition, can simulate different section pressure river conditions.
Description
Technical field
The invention belongs to waterpower hydroelectric project river model test technical field, and in particular to a kind of river model test system
System.
Background technology
River model experiment is by the principle of similitude to shorten river into model, and each relevant factor is studied in model（Current,
Shape）A kind of means changed in varied situations, because the process of river course deformation is different under its natural environment and after construction engineering
Often complicated, many river-bed deformation and dredging waterway problems are difficult often directly to be solved with analysis and research and the method calculated, and
Using model experiment then may direct convenience solve；Existing river model experimental system, is to be unable to mould the problem of maximum
Intend hydraulic pressure in river, and, it is necessary to which bed load sediment is pressed into the silt discharge that model similar scale converts in river model experiment
Process is added in model, and bed load gaza device needs in advance to mix the gravel of different-grain diameter size according to a certain percentage
Close, preparation is cumbersome before experiment, and manually-operated demand is big.
The content of the invention
The present invention in order to solve weak point of the prior art there is provided a kind of automaticity it is high, to sophisticated testing bar
Part is adaptable, can simulate the river model test system of river conditions.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：River model test system, including experiment
Room, master controller, simulated water pressure device and simulated flow device；Simulated water pressure device includes air pump, and air pump passes through tracheae and examination
Test room connection；Simulated flow device includes water pump, and water pump is connected by water pipe with laboratory；Laboratory is a closed chamber,
River model is equipped with laboratory, river model is horizontally disposed with left-right direction, upper surface is provided with passage on the left of river model
Matter gaza device；Bed load gaza device includes gaza's container, mixing gravel mechanism, support frame and automatic sediment transport mechanism；Gaza
Container, mixing gravel mechanism and automatic sediment transport mechanism are successively set on support frame from top to bottom；
Gaza's container is rectangular parallelepiped structure, gaza's container inner hollow and gaza's container upper end opening, gaza's container bottom
Provided with bottom plate, spacing side by side is fixed with some baffle plates in gaza's container, and the inner chamber of gaza's container is separated into some gazas by baffle plate
Some row's discharge openings are provided with chamber, bottom plate side by side, discharge opening is often arranged and is correspondingly arranged with one of gaza's chamber, each discharge opening
Bottom is equipped with discharging control valve；
Mixing gravel mechanism includes blending bunker, and the upper end of blending bunker is open, the horizontal cross-section of blending bunker downwards by
Tapered small, the bottom of blending bunker offers sand outlet；Provided with some groups of mixing agitators in blending bunker；
Automatic sediment transport mechanism includes stepper motor, installation frame, driven roller, driven voller, driving runner and driven runner, drives
Dynamic roller and driven voller are rotatably connected on installation frame side by side, and driving runner is fixed on one end of driven roller, and driven runner is fixed
One end of driven voller and with driving runner homonymy set, between driven roller and driven voller be provided with conveyer belt, driving runner with from
Belt is provided between dynamic runner, stepper motor is fixed on installation frame, main shaft and the driving runner drive connection of stepper motor；
Master controller is connected by control circuit and stepper motor, discharging control valve, mixing agitator, water pump and air pump respectively
Connect.
As a preferred embodiment of the present invention, support frame includes the rectangle frame fixed by four horizontal corner steels
Frame, four angles of rectangular frame are fixed with a upright angle steel vertically upward.
As another preferred scheme of the present invention, discharging control valve includes folding motor, plugging plate and guide rail, and guide rail is set
There are two, two guide rails are fixed on the bottom of bottom plate and are located at the opposite sides of discharge opening respectively, and plugging plate is slidably connected at two
On bar guide rail, plugging plate is used to block discharge opening, and plugging plate bottom is provided with nut, and folding motor is fixed on bottom base plate, folding
The main shaft of motor is connected with leading screw by shaft coupling, and leading screw is set with guide rail parallel, one end of leading screw be located in nut and with
Nut thread is connected；Master controller passes through control circuit and folding motor connection.
As another preferred scheme of the present invention, mixing agitator includes motor, installing plate and rotating shaft, driving electricity
Machine is fixed on blending bunker side wall, and the major axis horizontal of motor is set, and the main shaft of motor is fixed with master bevel gear, pacifies
Dress plate level is fixed on blending bunker side wall, and rotating shaft is vertically arranged, and axis of rotation is connected on a mounting board, and rotating shaft is provided with spiral
Blade, the lower end of rotating shaft is fixedly connected with from bevel gear after passing through installing plate, and master bevel gear is meshed with from bevel gear；Master control
Device is connected by control circuit with motor.
Above-mentioned technical proposal is used, the invention has the advantages that：
（1）The present invention can automate mixing match bed load sediment, with traditional manual proportioning of ratio, automaticity
Height, saves time and labour cost, and specific proportioning is such as selected by testing crew is according to determining the need for specific simulated test
The different gravel a of particle diameter, gravel b and gravel c, and gravel a, gravel b and gravel c ratio are 3:1:2；By gravel a, gravel b
It is respectively charged into gaza chamber A, gaza chamber B, gaza chamber C, is then opened respectively by master controller in gaza chamber A with gravel c
Wherein three discharging control valves, open gaza chamber B in one of discharging control valve, open gaza chamber C in wherein one
Individual discharging control valve, it is specific open discharging control valve process be：Start folding motor, folding motor drives leading screw to turn in nut
Rotate, in the presence of the revolving force of leading screw, leading screw promotes nut, and then promotes plugging plate to be moved along guide rail, so as to be blocked
The discharge opening of plate closure is opened, and the gravel of gaza's intracavitary is fallen from discharge opening；By the discharging control for opening three gaza's intracavitary
Number control gravel a, the gravel b and gravel c ratio of valve processed；
（2）The present invention can uniformly mix the different gravel of particle diameter, and specific mixed method is：Started by master controller and driven
Dynamic motor, motor drives the master bevel gear on main shaft to rotate, master bevel gear and driven wheel of differential engaged transmission, so as to drive
Axis of rotation, in rotating shaft under the stirring of helical blade, gravel a, gravel b and gravel c are well mixed, and mixed gravel is from going out
Husky mouth is dropped down onto on conveyer belt；
（3）Automatic sediment transport mechanism can accurate gaza, realize the sand supply automatically that each pilot time slot different gradation is combined, its
Sediment transport is crossed referred to as：Start stepper motor, stepper motor drives driving runner to rotate, and driving runner passes through the driven runner of belt drive
Rotate, so that the conveyer belt motion between driven roller and driven voller, by controlling the rotating speed of stepper motor to control gravel to drop down onto
Gravel is brought to and falls into river model by the amount on conveyer belt, conveyer belt；
（4）All devices are controlled by master controller in the present invention, it is easy to operate, make experiment automatized height, reduce examination
The complexity tested；
（5）Present apparatus the whole series are placed in closed laboratory, and then air pressure simulates the hydraulic pressure of different river sections, more to approach
With the situation in real river, and research of the hydraulic pressure to river has a great impact, present apparatus maximizing simulation river model.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the mounting structure schematic diagram of discharging control valve；
Fig. 3 is the structural representation of mixing agitator；
Fig. 4 is the structural representation of automatic sediment transport mechanism.
Embodiment
As Figure 1-4, river model test system of the invention, including laboratory 1, master controller, simulation water press-fit
Put and simulated flow device；Simulated water pressure device includes air pump 2, and air pump 2 is connected by tracheae with laboratory 1；Simulated flow is filled
Put including water pump 3；Laboratory 1 is to be equipped with river model 6 in a closed chamber, laboratory 1, water pump 3 passes through water pipe and examination
Test room 1 to connect and supply water for the upstream of river model 6, river model 6 is horizontally disposed with left-right direction, the left side upper table of river model 6
Face is provided with bed load gaza device；Bed load gaza device includes gaza's container 7, mixing gravel mechanism 4, support frame 8 and automatic
Sediment transport mechanism 5；Gaza's container 7, mixing gravel mechanism 4 and automatic sediment transport mechanism 5 are successively set on support frame 8 from top to bottom；
Master controller can be PLC or integrated circuit or single-chip microcomputer；
Gaza's container 7 is rectangular parallelepiped structure, the inner hollow of gaza's container 7 and the upper end of gaza's container 7 opening, gaza's container 7
Bottom is provided with spacing side by side in bottom plate 9, gaza's container 7 and is fixed with some baffle plates 10, and baffle plate 10 separates the inner chamber of gaza's container 7
Into some gaza's chambers 11, some row's discharge openings 12 are provided with bottom plate 9 side by side, often arrange discharge opening 12 with one of gaza's chamber 11
It is correspondingly arranged, each bottom of discharge opening 12 is equipped with discharging control valve；Often arrange at least 3 discharge openings 12. of discharge opening 12
Mixing gravel mechanism 4 includes blending bunker 13, and the upper end of blending bunker 13 is open, and described each row's discharge opening 12 is equal
Positioned at the surface that the upper end of blending bunker 13 is open；The horizontal cross-section of blending bunker 13 is gradually reduced downwards, blending bunker 13
Bottom offers sand outlet 14；Provided with some groups of mixing agitators in blending bunker 13；
Automatic sediment transport mechanism 5 includes stepper motor 15, installation frame 16, driven roller 17, driven voller 18, driving runner 19 and
Driven runner 20, driven roller 17 and driven voller 18 are rotatably connected on installation frame 16 side by side, and driving runner 19 is fixed on driving
One end of roller 17, driven runner 20 be fixed on one end of driven voller 18 and with driving the homonymy of runner 19 set, driven roller 17 with from
Conveyer belt 21 is provided between dynamic roller 18, belt 22 is provided between driving runner 19 and driven runner 20, stepper motor 15 is fixed on
On installation frame 16, main shaft and the driving runner 19 of stepper motor 15 are connected；Master controller respectively by control circuit with
Stepper motor 15, discharging control valve, mixing agitator, water pump 3 and air pump 2 are connected.
Support frame 8 includes the rectangular frame fixed by four horizontal corner steels, and four angles of rectangular frame are hung down
Directly a upright angle steel is fixed with upwards.
Discharging control valve includes folding motor 23, plugging plate 24 and guide rail 25, and guide rail 25 is provided with two, and two guide rails 25 are consolidated
It is scheduled on the bottom of bottom plate 9 and is located at the opposite sides of discharge opening 12 respectively, plugging plate 24 is slidably connected on two guide rails 25, sealed
Closure plate 24 is used to block discharge opening 12, and the bottom of plugging plate 24 is provided with nut 26, and folding motor 23 is fixed on the bottom of bottom plate 9, folding
The main shaft of motor 23 is connected with leading screw 28 by shaft coupling 27, and leading screw 28 is be arranged in parallel with guide rail 25, and one end of leading screw 28 is worn
It is threadedly coupled in nut 26 and with nut 26；Master controller is connected by control circuit with folding motor 23.
Mixing agitator includes motor 29, installing plate 30 and rotating shaft 31, and motor 29 is fixed on blending bunker 13
Side wall, the major axis horizontal of motor 29 is set, and the main shaft of motor 29 is fixed with master bevel gear 32, the level of installing plate 30
The side wall of blending bunker 13 is fixed on, rotating shaft 31 is vertically arranged, and rotating shaft 31 is rotatably connected on installing plate 30, rotating shaft 31 is provided with spiral shell
Vane piece 33, the lower end of rotating shaft 31, which is passed through, to be fixedly connected with after installing plate 30 from bevel gear 34, master bevel gear 32 with from bevel gear
34 are meshed；Master controller is connected by control circuit with motor 29.
From gravel a, gravel b and the gravel c that particle diameter is different in the present embodiment, and gravel a, gravel b and gravel c ratio
For 3:1:2；Bed material is uniformly laid on river model 6 by the present apparatus first before experiment first, then by gravel a, gravel b and
Gravel c is respectively charged into gaza chamber A, gaza chamber B, gaza chamber C, then controls air pump 2 into laboratory 1 by master controller
Gases at high pressure are inputted, to simulate the pressure of different sections in river, its in gaza chamber A are then opened respectively by master controller
In three discharging control valves, open gaza chamber B in one of discharging control valve, open gaza chamber C in one of them go out
Expect control valve, the process of specific opening discharging control valve is：Start folding motor 23, folding motor 23 drives leading screw 28 in nut
26 walk around it is dynamic, in the presence of the revolving force of leading screw 28, leading screw 28 promote nut 26, and then promote plugging plate 24 moved along guide rail 25
Dynamic, so that the discharge opening 12 blocked by plugging plate 24 is opened, the gravel of gaza's intracavitary is fallen from discharge opening 12；By opening three
Number control gravel a, the gravel b and gravel c ratio of the discharging control valve of individual gaza's intracavitary；Gravel a, gravel b and gravel c fall
Enter in blending bunker 13, then motor 29 starts, motor 29 drives the master bevel gear 32 on main shaft to rotate, main cone tooth
Wheel 32 and driven wheel of differential engaged transmission, so that drive rotating shaft 31 to rotate, in rotating shaft 31 under the stirring of helical blade 33, gravel
A, gravel b and gravel c are well mixed, and mixed gravel is dropped down onto on conveyer belt 21 from sand outlet 14, then the He of stepper motor 15
Water pump 3 starts simultaneously, and stepper motor 15 drives driving runner 19 to rotate, and driving runner 19 drives driven runner 20 by belt 22
Rotate, so that the conveyer belt 21 between driven roller 17 and driven voller 18 is moved, by controlling the rotating speed of stepper motor 15 to control sand
Gravel drops down onto the amount on conveyer belt 21, and gravel is brought to and falls into river model 6 by conveyer belt 21, while current are pumped into by water pump 3
Transmit below bag, water impact gravel, to realize that bed load sediment is changed over time, river model examination is completed under specific hydraulic pressure
Test.
The present embodiment not makees any formal limitation to shape, material, structure of the present invention etc., every according to this hair
Any simple modification, equivalent variations and modification that bright technical spirit is made to above example, belong to the technology of the present invention side
The protection domain of case.
Claims (4)
1. river model test system, it is characterised in that：Including laboratory, master controller, simulated water pressure device and simulated flow
Device；Simulated water pressure device includes air pump, and air pump is connected by tracheae with laboratory；Simulated flow device includes water pump, water pump
It is connected by water pipe with laboratory；Laboratory is that river model is equipped with a closed chamber, laboratory, and river model edge is left
Right direction is horizontally disposed with, and upper surface is provided with bed load gaza device on the left of river model；Bed load gaza device holds including gaza
Device, mixing gravel mechanism, support frame and automatic sediment transport mechanism；Gaza's container, mixing gravel mechanism and automatic sediment transport mechanism are from upper
And under be successively set on support frame；
Gaza's container is rectangular parallelepiped structure, gaza's container inner hollow and gaza's container upper end opening, and gaza's container bottom is provided with
Spacing side by side is fixed with some baffle plates in bottom plate, gaza's container, and the inner chamber of gaza's container is separated into some gaza's chambers, bottom by baffle plate
Some row's discharge openings are provided with plate side by side, discharge opening is often arranged and is correspondingly arranged with one of gaza's chamber, each discharge opening bottom
It is equipped with discharging control valve；
Mixing gravel mechanism includes blending bunker, and the upper end of blending bunker is open, and the horizontal cross-section of blending bunker is gradually contracted downwards
Small, the bottom of blending bunker offers sand outlet；Provided with some groups of mixing agitators in blending bunker；
Automatic sediment transport mechanism includes stepper motor, installation frame, driven roller, driven voller, driving runner and driven runner, driven roller
Be rotatably connected on side by side on installation frame with driven voller, driving runner is fixed on one end of driven roller, driven runner be fixed on from
Move one end of roller and set with driving runner homonymy, conveyer belt is provided between driven roller and driven voller, runner and driven turn is driven
Belt is provided between wheel, stepper motor is fixed on installation frame, main shaft and the driving runner drive connection of stepper motor；
Master controller is connected by control circuit with stepper motor, discharging control valve, mixing agitator, water pump and air pump respectively.
2. river model test system according to claim 1, it is characterised in that：Support frame is included by four horizontal corner steels
Fixed rectangular frame, four angles of rectangular frame are fixed with a upright angle steel vertically upward.
3. river model test system according to claim 2, it is characterised in that：Discharging control valve include folding motor,
Plugging plate and guide rail, guide rail are provided with two, and two guide rails are fixed on the bottom of bottom plate and are located at the opposite sides of discharge opening respectively,
Plugging plate is slidably connected on two guide rails, and plugging plate is used to block discharge opening, and plugging plate bottom is provided with nut, and folding motor is consolidated
Bottom base plate is scheduled on, the main shaft of folding motor is connected with leading screw by shaft coupling, and leading screw is set with guide rail parallel, one end of leading screw
It is located in nut and is connected with nut thread；Master controller passes through control circuit and folding motor connection.
4. river model test system according to claim 3, it is characterised in that：Mixing agitator include motor,
Installing plate and rotating shaft, motor are fixed on blending bunker side wall, and the major axis horizontal of motor is set, the main shaft of motor
Master bevel gear is fixed with, installing plate is horizontally fixed on blending bunker side wall, and rotating shaft is vertically arranged, and axis of rotation is connected to installation
On plate, rotating shaft is provided with helical blade, and the lower end of rotating shaft, which is passed through, to be fixedly connected with after installing plate from bevel gear, master bevel gear with from
Bevel gear is meshed；Master controller is connected by control circuit with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295576.4A CN105803999B (en) | 2016-05-06 | 2016-05-06 | River model test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295576.4A CN105803999B (en) | 2016-05-06 | 2016-05-06 | River model test system |
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| Publication Number | Publication Date |
|---|---|
| CN105803999A CN105803999A (en) | 2016-07-27 |
| CN105803999B true CN105803999B (en) | 2017-09-29 |
Family
ID=56456338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610295576.4A Expired - Fee Related CN105803999B (en) | 2016-05-06 | 2016-05-06 | River model test system |
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| CN (1) | CN105803999B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091797B (en) * | 2017-05-08 | 2023-08-18 | 浙江大学 | Detachable high-precision continuous sand-taking bed load sand conveying rate measuring device |
| CN108277774B (en) * | 2018-01-18 | 2019-12-17 | 河海大学 | Self-cleaning type inclined water inlet method for river model test |
| CN108729405B (en) * | 2018-03-06 | 2020-05-29 | 河海大学 | River model test method |
| CN112942234B (en) * | 2021-03-23 | 2022-03-25 | 长江水利委员会长江科学院 | A equipment for river course model making |
| CN113125107B (en) * | 2021-04-26 | 2022-06-03 | 海博泰科技(青岛)有限公司 | Device and method for measuring bed load sand transport rate |
| CN114333537B (en) * | 2022-01-04 | 2023-07-28 | 王大宇 | River power simulation device and simulation method for river network |
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|---|---|---|---|---|
| CN201753444U (en) * | 2010-07-19 | 2011-03-02 | 武汉长江仪器自动化研究所 | Self-control belt conveying scraping-throwing type sand feeding machine |
| CN202039320U (en) * | 2011-04-18 | 2011-11-16 | 中国科学院水生生物研究所 | Experimental system device for simulating natural river course |
| KR20140119218A (en) * | 2013-03-27 | 2014-10-10 | 한국전자통신연구원 | System for constructing hydraulic model using plurality of flow measurment sensor nodes |
| CN203960801U (en) * | 2014-07-08 | 2014-11-26 | 浙江省水利河口研究院 | A kind of for testing the experimental facilities of sediment transport capacity under lock |
| CN105382188A (en) * | 2015-11-29 | 2016-03-09 | 无锡市鑫茂锻造有限公司 | Casting shakeout hopper based on positive-negative-rotation stirring |
| CN205636630U (en) * | 2016-05-06 | 2016-10-12 | 包永刚 | River model test system |
-
2016
- 2016-05-06 CN CN201610295576.4A patent/CN105803999B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201753444U (en) * | 2010-07-19 | 2011-03-02 | 武汉长江仪器自动化研究所 | Self-control belt conveying scraping-throwing type sand feeding machine |
| CN202039320U (en) * | 2011-04-18 | 2011-11-16 | 中国科学院水生生物研究所 | Experimental system device for simulating natural river course |
| KR20140119218A (en) * | 2013-03-27 | 2014-10-10 | 한국전자통신연구원 | System for constructing hydraulic model using plurality of flow measurment sensor nodes |
| CN203960801U (en) * | 2014-07-08 | 2014-11-26 | 浙江省水利河口研究院 | A kind of for testing the experimental facilities of sediment transport capacity under lock |
| CN105382188A (en) * | 2015-11-29 | 2016-03-09 | 无锡市鑫茂锻造有限公司 | Casting shakeout hopper based on positive-negative-rotation stirring |
| CN205636630U (en) * | 2016-05-06 | 2016-10-12 | 包永刚 | River model test system |
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| Publication number | Publication date |
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| CN105803999A (en) | 2016-07-27 |
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Granted publication date: 20170929 Termination date: 20190506 |