CN208239264U - It is a kind of for studying the experimental rig of soil particle Erosion Law - Google Patents
It is a kind of for studying the experimental rig of soil particle Erosion Law Download PDFInfo
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- CN208239264U CN208239264U CN201820385751.3U CN201820385751U CN208239264U CN 208239264 U CN208239264 U CN 208239264U CN 201820385751 U CN201820385751 U CN 201820385751U CN 208239264 U CN208239264 U CN 208239264U
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Abstract
The utility model discloses a kind of for studying the experimental rig of soil particle Erosion Law.Including bracket, the chamber being arranged on bracket, be arranged in chamber every sand net and intelligent head for adding from water to chamber；The sample area of the inhalant region and lower part for being arranged horizontally in chamber every sand net, the chamber being divided into top, the bottom of the chamber are in pyramid shape, are provided with water outlet at the vertex of a cone of rectangular pyramid.The utility model can apply water using intelligent head into chamber, and change over time head difference, accurately reflect the formation of erosion process and soil arch of the soil body under seepage effect and the influence to erosion.
Description
Technical field
The utility model relates to hydraulic engineering physical models to test testing field more particularly to a kind of examination for studying seepage failure
Experiment device.
Background technique
Infiltration be due to groundwater pressure it is unbalanced formed seepage flow process, and permeate can cause sand grains migration and
It is lost.A large amount of big flood data shows that the seepage flow of levee foundation and levee body is maximum to the harm of river dykes and dams, and generation quantity is more, divides
Cloth range is wide, and the great dangerous situation that inrushes easily occurs.In order to guarantee the safety of levee foundation engineering, therefore seepage failure problem receives science
And the common concern of engineering circles, embankment foundation influent-soil particle erosion process and rule are studied, it is corresponding to proposition to prevention seepage erosion
Control measure be of great significance.
When levee foundation downstream side is there are when the weak areas such as pond, during studying seepage failure occurrence and development, weak area
Water outlet is formed, the water flow of surrounding is converged in water outlet, and the migration of seepage field and soil particle is lost process and passes through three-dimensional knot
Structure carries out calculating analysis.In addition, soil particle easily forms soil arch under seepage effect during being lost, soil arch makes the stress of the soil body
Variation is happened, while influencing the migration and loss of soil particle.For the Crack cause of soil arch during levee foundation seepage failure
With the influence being lost to particle, current scholar's shorter mention.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of experimental rig for studying soil particle Erosion Law.
In order to achieve the above objectives, a kind of experimental rig for studying soil particle Erosion Law of the utility model, including bracket, set
Set the chamber on bracket, be arranged in chamber every sand net and intelligent head for adding from water to chamber；It is described
It is arranged horizontally in chamber every sand net, the chamber is divided into the inhalant region on top and the sample area of lower part, institute
The bottom for stating chamber is in pyramid shape, is provided with water outlet at the vertex of a cone of rectangular pyramid.
Further, the lifting device that the intelligent head includes water tank and goes up and down for controlling water tank, the water tank
Bottom is provided with outlet pipe, and the water outlet of the outlet pipe is corresponding with the inhalant region of the chamber；
The lifting device includes support frame, driving motor, is spaced a predetermined distance setting along the vertical direction on the support frame
The first fixed pulley and the second fixed pulley, conveyer belt, the water tank are arranged between first fixed pulley and the second fixed pulley
It is arranged on the conveyer belt as conveyer belt is gone up and down；The output shaft of the driving motor is fixed with described first by transmission mechanism
Pulley drive connection drives first fixed pulley to rotate.
Further, the chamber corresponds to and is provided with several water pressure sensors on the side wall of sample area, each water
Pressure sensor and a terminal communication connection, the water pressure information conveyance for will test are to terminal.
Further, the water outlet is provided with first flow measuring device for detecting water yield and for detecting
The second flow detection device of sand amount is gushed, is additionally provided with below the water outlet and holds emery disc.
Further, further include for observe in sample area native arch in soil body erosion process at destruction microscope and
Video camera；The chamber is transparent material.
Further, the water outlet is square, side length 5mm.
Further, the inhalant region and the sample area are detachably connected.
The utility model studies the experimental rig of soil particle Erosion Law, and having the advantages that can by intelligent head
Apply water into chamber, and change over time head difference, simulation cycle flood peak to the corrosion function of dyke building and
Formation and percussion to soil arch；By the way that water pressure sensor is arranged, measure under seepage effect, the head inside soil sample becomes
Change situation, at the same by water outlet gush sand amount and water yield is measured and is analyzed, and then reflect the soil body in seepage flow comprehensively
Erosion process and rule under effect；By the way that rectangular water outlet is arranged, three dimensional fluid flow field distribution and soil particle loss law are simulated
With range；Pass through the visualization of the better implementation model of experimental rig energy simultaneously.
Detailed description of the invention
Fig. 1 is experimental rig structure chart；
Fig. 2 is the top view of experiment casing
Fig. 3 is the left side view of cabinet shown in Fig. 2.
Fig. 4 is the lateral side view of cabinet shown in Fig. 2.
In figure: 1, control cabinet；2, motor；3, conveyer belt；4, water tank；5, outlet pipe；6, flow control valve；7, gas vent；
8, inhalant region；9, every sand net；10, sample area；11, water pressure sensor；12, data acquisition and transmission module；13, computer is whole
End；14, water outlet；15, steel bracket；16, microscope；17, video camera.
Specific embodiment
The utility model is further described with reference to the accompanying drawings of the specification.
Embodiment 1
In conjunction with Fig. 1 and Fig. 4, the present embodiment provides a kind of experimental rigs for studying soil particle Erosion Law, including steel bracket
15, the chamber that is arranged on steel bracket 15, be arranged in chamber every sand net 9 and intelligence for adding from water to chamber
Head；The inhalant region 8 for being arranged horizontally in chamber every sand net 9, the chamber being divided into top and lower part
Sample area 10, inhalant region top is additionally provided with gas vent 7；The bottom of chamber is in pyramid shape, is set at the vertex of a cone of rectangular pyramid
It is equipped with water outlet 14；Water outlet 14 is square, side length 5mm.
Wherein, intelligent head includes water tank 4 and the lifting device for controlling water tank lifting, and the bottom of water tank 4 is provided with
Outlet pipe 5 is additionally provided with flow control valve 6, the water outlet of the outlet pipe 5 and the inhalant region 8 of the chamber on outlet pipe 5
It is corresponding；
The lifting device includes support frame, motor 2, is spaced a predetermined distance the of setting on the support frame along the vertical direction
One fixed pulley and the second fixed pulley, are arranged with conveyer belt between first fixed pulley and the second fixed pulley, the water tank 4 is arranged
As conveyer belt is gone up and down on the conveyer belt 3；The output shaft of the driving motor is passed by belt and first fixed pulley
Dynamic connection drives first fixed pulley to rotate.Single-chip microcontroller controlled connection in this example in motor 2 and control cabinet 1.
In the present embodiment, the bottom of chamber can be with V-shaped, and the bottom end of V-type is arranged in water outlet 14.
Inhalant region 8 and the sample area 10 are detachably connected in this example, after the completion of filling sample, inhalant region 8 and sample area 10
Between connected by sealant and bolt seal.
Anti-skid rubber cushion is pasted in the present embodiment on 15 inclined-plane of steel bracket, is increased between experiment casing and steel bracket 15
Friction, it is ensured that experiment casing is stably placed on steel bracket 15.
SCM Based intelligence head control system in the present embodiment can make to be applied to the head difference of soil sample at any time
Variation, formation and percussion with simulation cycle flood peak to the corrosion function of dyke building and to soil arch；Intelligence changes
Head, high degree of automation reduce manual operation bring error, and accuracy is high.
Embodiment 2
As the concrete scheme of embodiment 1, in the present embodiment chamber correspond to be provided on the side wall of sample area 10 it is several
Water pressure sensor 11, each water pressure sensor 11 are connected by data acquisition and transmission module 12 and a terminal 13 communication
Connect, the water pressure information conveyance for will test is to terminal, being capable of sample area in real-time monitoring record flow event
10 head height everywhere；
First flow measuring device for detecting water yield is provided in the present embodiment at water outlet 14 and for detecting
The second flow detection device of sand amount is gushed, is additionally provided with below the water outlet and holds emery disc.
By setting water pressure sensor 11 in the present embodiment, the change of water level under seepage effect, inside soil sample is measured
Situation, at the same by water outlet gush sand amount and water yield is measured and is analyzed, and then comprehensively reflect the soil body seepage flow make
Erosion process and rule under.
Embodiment 3
As the further improvement of embodiment 1, the present embodiment further includes for observing sample area on the basis of embodiment 1
In 10 in soil body erosion process native arch at the microscope 16 and video camera 17 with destruction；Chamber is transparent material in the present embodiment
Matter, specially organic glass can be observed test process by the microscope 16 and video camera 17 of setting, realize mould
The visualization of type.
More than, the only preferred embodiment of the utility model, but protection scope of the utility model is not limited thereto, appoints
What those familiar with the art within the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to the protection scope defined.
Claims (3)
1. a kind of for studying the experimental rig of soil particle Erosion Law, which is characterized in that including bracket, be arranged on bracket
Chamber, be arranged in chamber every sand net and intelligent head for adding from water to chamber；It is described horizontal every sand net edge
Direction is arranged in chamber, the chamber is divided into the inhalant region on top and the sample area of lower part, the bottom of the chamber
Portion is in pyramid shape, is provided with water outlet at the vertex of a cone；The intelligence head includes water tank and the lifting for controlling water tank lifting
Device, the bottom of the water tank are provided with outlet pipe, and the water outlet of the outlet pipe is corresponding with the inhalant region of the chamber；
The lifting device includes support frame, driving motor, is spaced a predetermined distance the of setting on the support frame along the vertical direction
One fixed pulley and the second fixed pulley are arranged with conveyer belt, the water tank setting between first fixed pulley and the second fixed pulley
As conveyer belt is gone up and down on the conveyer belt；The output shaft of the driving motor passes through transmission mechanism and first fixed pulley
It is sequentially connected, first fixed pulley is driven to rotate.
2. according to claim 1 a kind of for studying the experimental rig of soil particle Erosion Law, which is characterized in that described
Chamber corresponds to and is provided with several water pressure sensors on the side wall of sample area, and each water pressure sensor and a computer are whole
End communication connection, the water pressure information conveyance for will test are to terminal.
3. according to claim 1 a kind of for studying the experimental rig of soil particle Erosion Law, which is characterized in that described
Water outlet is square, side length 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385751.3U CN208239264U (en) | 2018-03-21 | 2018-03-21 | It is a kind of for studying the experimental rig of soil particle Erosion Law |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820385751.3U CN208239264U (en) | 2018-03-21 | 2018-03-21 | It is a kind of for studying the experimental rig of soil particle Erosion Law |
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| CN208239264U true CN208239264U (en) | 2018-12-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228230A1 (en) * | 2019-05-14 | 2020-11-19 | 浙江大学 | Indoor test apparatus for measuring seepage erosion characteristics of multilayer soil samples under in-situ pressure |
| CN112697673A (en) * | 2020-12-14 | 2021-04-23 | 中国水利水电科学研究院 | Visual test device and method for contact seepage damage of through-embankment pressureless culvert pipe |
| CN114578023A (en) * | 2022-02-22 | 2022-06-03 | 大连海事大学 | Trapdoor experimental facilities based on groundwater level changes |
-
2018
- 2018-03-21 CN CN201820385751.3U patent/CN208239264U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020228230A1 (en) * | 2019-05-14 | 2020-11-19 | 浙江大学 | Indoor test apparatus for measuring seepage erosion characteristics of multilayer soil samples under in-situ pressure |
| CN112697673A (en) * | 2020-12-14 | 2021-04-23 | 中国水利水电科学研究院 | Visual test device and method for contact seepage damage of through-embankment pressureless culvert pipe |
| CN112697673B (en) * | 2020-12-14 | 2021-09-17 | 中国水利水电科学研究院 | Visual test device and method for contact seepage damage of through-embankment pressureless culvert pipe |
| CN114578023A (en) * | 2022-02-22 | 2022-06-03 | 大连海事大学 | Trapdoor experimental facilities based on groundwater level changes |
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