CN206274324U - Double change slopes etching tank and interflow determining instrument - Google Patents
Double change slopes etching tank and interflow determining instrument Download PDFInfo
- Publication number
- CN206274324U CN206274324U CN201621127365.1U CN201621127365U CN206274324U CN 206274324 U CN206274324 U CN 206274324U CN 201621127365 U CN201621127365 U CN 201621127365U CN 206274324 U CN206274324 U CN 206274324U
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- China
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- soil
- interflow
- soil erosion
- etching tank
- erosion groove
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Abstract
The utility model discloses a kind of double change slope etching tank and interflow determining instruments, the model fixed support that setting is welded by underlying soil etching tank, top soil erosion groove and steelframe, top and the bottom bottom is respectively connected with lowering or hoisting gear.Soil erosion groove in top is connected with underlying soil etching tank by plastic cement intermediate zone, and soil erosion groove is left and right two parts by soil erosion groove divides, and underlying soil etching tank is connected with interflow collector and rainwash collector respectively.The utility model further relates to use this pair to become the assay method of slope etching tank and interflow determining instrument to soil water erosion process, the domatic mima type microrelief of different rough patterns can be constructed using the instrument, by determining the important parameter such as interflow, rainwash, silt, the erosion caused by sloping surfaces form, the quantity of rill and size in whole rainfall, the regularity of occurrence and development of soil water erosion in whole rainfall can be carried out quantitative analysis, had a wide range of application.
Description
Technical field
The utility model is related to soil erosion monitoring, more specifically refers to a kind of double change slope etching tank and interflow analyzers
Device.
Background technology
Slope Soil Erosion Process and water regime are one of essential contents in water and soil conservation disciplinary study, so
And, relatively important sex chromosome mosaicism of the different runoff components during slope water erosion does not cause enough attention, and traditional is domatic
Soil erosion process measurement focuses mostly in terms of face erosion and rill erosion, is primarily upon rainwash this hydrologic process, ignores
Influence of the interflow to erosion process.Interflow can produce shadow by influenceing soil aperture water pressure to soil anti-shear strength
Ring, the hydraulic gradient potential difference during survey is oozed can change the resistance that soil particle departs from soil matrix, while to stripped
Carried into the grogs in interflow.The research of conventional runoff plots equipment predominantly stays in adopting for slope surface runoff
Collection, it is impossible to determine interflow flow, easily produces larger error, influences the precision of soil erosion measurement.Interflow is formed
The quantitative study and calculating of process relatively lag behind, so that it cannot carrying out the research of deep refinement to slope water erosion process.Meanwhile,
The erosion caused by sloping surfaces test model is required to adjust the gradient, although department pattern reaches this requirement, with scientific research
Deepen continuously, slope pattern requirement is also become increasingly complex, increasing research needs the domatic rough pattern of conversion, so that
The domatic influence to soil water erosion process of different rough patterns is analyzed, so a kind of double change slope etching tanks of design and interflow are determined
Instrument is necessary.
Utility model content
It is small that the purpose of this utility model is to provide a kind of runoff that can set domatic different rough patterns according to requirement of experiment
Area, solves the problems, such as the observation of rainwash and interflow, so as to provide a kind of change slope erosion measurement instrument.
The purpose of this utility model is achieved by the following technical solution:
Double change slopes etching tank and interflow determining instrument, including at least two section soil erosion grooves;All soil erosion grooves set
Put point-blank, constitute soil erosion groove chain;Often section soil erosion groove is the cavity of upper end open, the soil erosion
Groove, connects between neighboring soil etching tank;All soil erosion groove two ends are respectively connected with elevation and subsidence regulating device, the lift adjustment
Device is used to adjust respectively the height at the soil erosion groove two ends;The bottom land of the soil erosion groove is provided with the soil erosion
Trench bottom baffle plate, is provided with space, the soil between the soil erosion trench bottom baffle plate and the soil erosion groove bottom land
Interflow collection hole array is provided with etching tank bottom baffle, the interflow collection hole array gathers hole group by interflow
Into;
The outer face of the soil erosion groove of described soil erosion groove chain one end is erosion measurement plate, the erosion measurement
Interflow is provided with plate and determines hole array;The interflow determines hole array and is made up of interflow measure hole;Described erosion is surveyed
The lateral surface of fixed board is provided with interflow collector.
Further, soil erosion groove demarcation strip is provided with all soil erosion grooves, the soil erosion groove separates
Plane residing for plate is parallel with soil erosion groove closure;The soil erosion groove demarcation strip separates the soil erosion groove
It is two equal parts of volume;Erosion measurement plate described in the soil erosion groove divides is two parts, and a part is
Rainwash deflector, another part is interflow assay plate;Interflow on the rainwash deflector determines hole whole
Sealing, the rainwash deflector upper end outside is connected with rainwash collecting tank, and the rainwash collecting tank is connected with
Rainwash collector.
Further, the soil erosion groove is provided with two sections, respectively underlying soil etching tank, the top soil erosion
Groove;The underlying soil etching tank is the erosion measurement plate away from the end face of the top soil erosion groove;The bottom soil
Earth etching tank bottom land rotates connection, the underlying soil etching tank groove with the top soil erosion groove bottom land by being connected capstan winch
Bottom is provided with plastic cement intermediate zone with the junction of the top soil erosion groove bottom land, and the plastic cement intermediate zone is used to seal described
Soil at connection capstan winch.
The elevation and subsidence regulating device includes the model fixed support, lower hydraulic lift, the top liquid that are arranged on ground
Pressure lift;The connection capstan winch is connected with the movable end of lower hydraulic lift, the fixation of the lower hydraulic lift
That holds is connected with the model fixed support;The top soil erosion groove away from described connection capstan winch one end lower section with it is described
The movable end of top hydraulic elevator is connected, and the fixing end of the top hydraulic elevator is connected with the fixed support;
The underlying soil etching tank be provided with support capstan winch, the underlying soil etching tank below capstan winch one end away from described connection
Rotated with the model fixed support by the support capstan winch and be connected.
Further, the interflow collector is arranged at intervals with least two interflow efferent ducts, and the interflow is defeated
Valve is provided with outlet pipe.
Further, the distance between adjacent described interflow collection hole is 2cm, and the interflow collection hole internal diameter is
1cm;It is 2cm that the adjacent interflow determines the distance between hole, and it is 1cm that the interflow determines hole internal diameter;The soil is invaded
Space 5~10cm high between erosion trench bottom baffle plate and the soil erosion groove bottom land.
Further, the soil erosion groove both sides are provided with antiskid pedal and handrail.
The double change slope etching tanks of the utility model and interflow determining instrument major advantage are as follows:It is easy to operate, Measure Precision
Height, the domatic mima type microrelief of different rough patterns is constructed using double change slopes etching tank and interflow determining instrument such that it is able to realize
Soil water erosion process is accurately simulated under different terrain conditions;By determining interflow, rainwash, mud in whole rainfall
The important parameter such as sand, the erosion caused by sloping surfaces form, the quantity of rill and size, can be by the generation of soil water erosion in whole rainfall
The rule of development carries out quantitative analysis, has a wide range of application.Double change slopes etching tank and interflow determining instrument are arranged on model and fix branch
On frame, it is moved easily, it is adaptable to outdoor natural rainfall monitoring experiment.
Brief description of the drawings
Fig. 1 is the double top views for becoming slope etching tank and interflow determining instrument of the utility model.
Fig. 2 is the double side views for becoming slope etching tank and interflow determining instrument of the utility model.
Fig. 3 is the structural representation of the utility model soil erosion trench bottom cover plate.
In figure:Rainwash collector 1;Interflow collector 2;Soil erosion groove under shield 3;Handrail 4;Pedal 5;
Rainwash deflector 6;Soil erosion trench bottom baffle plate 7;Underlying soil etching tank 8;Soil erosion groove demarcation strip 9;Plastic cement mistake
Cross band 10;Model fixed support 11;Lower hydraulic lift 12;Top hydraulic elevator 13;Top soil erosion groove 14.
Specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but the embodiment should not be managed
Solution be to limitation of the present utility model, it is only for example, while by illustrating that advantage of the present utility model will become more clear
Chu and it is readily appreciated that.
As shown in drawings, double change slopes etching tank and interflow determining instrument, including set by underlying soil etching tank 8, on
The model fixed support 11 that portion's soil erosion groove 14 and steelframe are welded, described one end of underlying soil etching tank 8 is consolidated with model
Fixed rack 11 is hinged, and the other end is hinged with lower hydraulic lift 12, described one end of top soil erosion groove 14 and lower hydraulic
Lift 12 is hinged, and the other end is hinged with top hydraulic elevator 13;The top soil erosion groove 14 corrodes with underlying soil
Groove 8 is connected by plastic cement intermediate zone 10, and the soil erosion groove is divided into left and right two parts by soil erosion groove demarcation strip 9,
It is easy to the sample of parallel check experiment to set, the soil erosion groove both sides are equipped with handrail 4, pedal 5;
The angle of inclination of underlying soil etching tank 8 can be adjusted by lower hydraulic lift 12, angle adjustment model
It is trapped among between 0~30 degree;The angle of inclination of top soil erosion groove 14 can be by top hydraulic elevator 12 and lower hydraulic
Lift 13 is adjusted, and angle adjustment scope is between -30~30 degree;
The afterbody of the underlying soil etching tank 8 is provided with soil erosion groove under shield 3 and soil erosion trench bottom gear
Plate 7, the lower section of underlying soil etching tank 8 is connected with interflow collector 2, and the top of interflow collector 2 is provided with galvanized iron sheet and beats
The rainwash deflector 6 of system, i.e., can only cover ground with the sealing function limitation rainwash of rainwash deflector 6
Table runoff deflector 6 flows to collector, realizes the function that rainwash with interflow separate;The underlying soil etching tank 8 leads to
Cross the connecting T-shaped rainwash collector 1 of rainwash deflector 6.
Preferably, underlying soil etching tank 8 is 4m long, width 2m, the steel tank of depth 70cm, and top soil erosion groove 14 is length
3m, width 2m, the steel tank of depth 70cm, the soil erosion groove bottom land are steel plate back cover, are set at soil erosion groove bottom land 5cm
Soil erosion trench bottom baffle plate 7 is equipped with, the soil erosion trench bottom baffle plate is divided into upper and lower two parts, underlying soil etching tank bottom
The a length of 4m of portion's baffle plate, a width of 2m, a length of 3m of top soil erosion trench bottom baffle plate, a width of 2m, the soil erosion trench bottom gear
It is uniform on plate 7 to lay at intervals of 2cm, internal diameter as the interflow of 1cm gathers hole.
Preferably, interflow collector 2 is 50cm long, width 2m, the steel tank of depth 70cm, is welded on underlying soil etching tank
Together, separated by soil erosion groove under shield 3 and soil sample in etching tank, a left side is divided into by soil erosion groove demarcation strip 9
Right two parts, the lower left corner and the lower right corner of interflow collector have the interflow efferent duct of internal diameter 2cm, and interflow is defeated
Outlet pipe closes valve when experiment need not survey interflow flow by valve switch.
Preferably, pedal 5 is 50cm long, the metal skid-proof plate of width 40cm, is fixed on soil erosion groove both sides, wherein under
Portion's soil erosion groove 8 has each side laid 7 pieces of pedals, and top soil erosion groove 14 has each side laid 5 pieces of pin
Pedal, 4 points of handrail is two parts, wherein it is 4m long, the rectangle of 90cm high to be welded on the outside of underlying soil etching tank pedal
Steel handrail, it is 3m long, the rectangle steel handrail of 90cm high to be welded on the outside of top soil erosion groove pedal.By foot-operated
The setting of plate and handrail, is easy to experiment operator collection in worksite data.
Using above-mentioned double soil water erosion process assay methods for becoming slope etching tank and interflow determining instrument, including following step
Suddenly:
Step one, from field acquisition soil sample, according to experimental design, after sieving, in soil erosion groove be layered filling, compacting
Experiment soil simultaneously controls the soil weight and initial water content.
Step 2, soil erosion groove is adjusted to by experiment by top hydraulic elevator 12 and lower hydraulic lift 13 sets
The gradient and rough pattern needed for meter.
Before step 3, formal rainfall, calibration rainfall intensity, then adjust the raininess to needed for experiment, by soil water erosion
Process determining instrument is placed in rainfall region.
Step 4, opening interflow collector valve, and rainwash deflector 6 is covered in the top of interflow collector 2
It is connected with T-shaped rainwash collector 1, opens sprinkler, starts rainfall simulation experiment.
Step 5, observation go out head piece and interflow goes out head piece and the continual and steady of stock once occur into take Sha Shui when rainwash
Stream, record produces stream moment and rainfall duration.After Soil Slope produces stream stabilization, an earth's surface and interflow runoff mud are collected per 2min
Sand-like to rainfall terminates, and in whole rainfall, measures rainwash flow and interflow runoff rate and sediment yield.Rainfall
Cheng Zhong, measures earth's surface from the position of the upper, middle and lower of underlying soil etching tank and top soil erosion groove three with coloring agent method respectively
Runoff velocity, the kenel of runoff is observed with colored a fluid stream method;
After step 6, rainfall terminate, moisture content, the erosion caused by sloping surfaces form, the quantity of rill after soil rain in measurement etching tank
With size, the soil weight.The data that Binding experiment is measured, precisely calculate erosion form, the soil losses of Soil Slope water erosion on the way
Footpath and erosion amount.
Below do not elaborate and be prior art.
Claims (7)
1. slope etching tank and interflow determining instrument pair are become, it is characterised in that:Including at least two section soil erosion grooves;All soil
Etching tank is set point-blank, constitutes soil erosion groove chain;Often section soil erosion groove is the cavity of upper end open, described
Soil erosion groove, connects between neighboring soil etching tank;All soil erosion groove two ends are respectively connected with elevation and subsidence regulating device, described
Elevation and subsidence regulating device is used to adjust respectively the height at the soil erosion groove two ends;The bottom land of the soil erosion groove is provided with
Soil erosion trench bottom baffle plate (7), is provided between the soil erosion trench bottom baffle plate (7) and the soil erosion groove bottom land
Space, is provided with interflow collection hole array on the soil erosion trench bottom baffle plate (7), interflow collection hole array by
Interflow collection hole composition;
The outer face of the soil erosion groove of described soil erosion groove chain one end is erosion measurement plate, on the erosion measurement plate
It is provided with interflow and determines hole array;The interflow determines hole array and is made up of interflow measure hole;The erosion measurement plate
Lateral surface be provided with interflow collector (2).
2. according to claim 1 pair becomes slope etching tank and interflow determining instrument, it is characterised in that:All soil erosions
Soil erosion groove demarcation strip (9) is provided with groove, plane residing for the soil erosion groove demarcation strip (9) connects with soil erosion groove
Connect direction parallel;The soil erosion groove is divided into two equal parts of volume by the soil erosion groove demarcation strip (9);
It is two parts that the soil erosion groove demarcation strip (9) separates the erosion measurement plate, and a part is rainwash deflector (6),
Another part is interflow assay plate;Interflow on the rainwash deflector (6) determines hole and all seals, the earth's surface
Runoff deflector (6) upper end outside is connected with rainwash collecting tank, and the rainwash collecting tank is connected with rainwash receipts
Storage (1).
3. according to claim 2 pair becomes slope etching tank and interflow determining instrument, it is characterised in that:The soil erosion
Groove is provided with two sections, respectively underlying soil etching tank (8), top soil erosion groove (14);The underlying soil etching tank (8)
End face away from the top soil erosion groove (14) is the erosion measurement plate;Underlying soil etching tank (8) bottom land with
Top soil erosion groove (14) bottom land rotates connection, underlying soil etching tank (8) bottom land by connecting capstan winch (16)
The junction of top soil erosion groove (14) bottom land is provided with plastic cement intermediate zone (10), the plastic cement intermediate zone (10) is used
In sealing connection capstan winch (16) place soil.
4. according to claim 3 pair becomes slope etching tank and interflow determining instrument, it is characterised in that:The lift adjustment
Device includes the model fixed support (11), lower hydraulic lift (12), the top hydraulic elevator (13) that are arranged on ground;
Connection capstan winch (16) is connected with the movable end of lower hydraulic lift (12), and lower hydraulic lift (12) are consolidated
Fixed end is connected with the model fixed support (11);The top soil erosion groove (14) is away from connection capstan winch (16)
One end lower section is connected with the movable end of the top hydraulic elevator (13), the fixing end of the top hydraulic elevator (13)
It is connected with the fixed support (11);Lower section of the underlying soil etching tank (8) away from described connection capstan winch (16) one end
Support capstan winch (15) is provided with, the underlying soil etching tank (8) fixes branch by support capstan winch (15) and the model
Frame (11) rotates connection.
5. according to claim 4 any described double change slopes etching tank and interflow determining instrument, it is characterised in that:In the earth
Flow collector (2) is arranged at intervals with least two interflow efferent ducts, and valve is provided with the interflow efferent duct.
6. according to claim 1-5 any described double change slopes etching tank and interflow determining instrument, it is characterised in that:Adjacent institute
It is 2cm to state the distance between interflow collection hole, and the interflow collection hole internal diameter is 1cm;The adjacent interflow determines hole
The distance between be 2cm, it is 1cm that the interflow determines hole internal diameter;The soil erosion trench bottom baffle plate (7) and the soil
Space 5~10cm high between etching tank bottom land.
7. according to claim 6 pair becomes slope etching tank and interflow determining instrument, it is characterised in that:The soil erosion
Groove both sides are provided with antiskid pedal and handrail.
Priority Applications (1)
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CN201621127365.1U CN206274324U (en) | 2016-10-14 | 2016-10-14 | Double change slopes etching tank and interflow determining instrument |
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CN201621127365.1U CN206274324U (en) | 2016-10-14 | 2016-10-14 | Double change slopes etching tank and interflow determining instrument |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106526125A (en) * | 2016-10-14 | 2017-03-22 | 长江水利委员会长江科学院 | Dual-varying-slope erosion groove and interflow determining instrument and determining method thereof |
CN109425722A (en) * | 2017-08-29 | 2019-03-05 | 中国科学院地理科学与资源研究所 | A kind of runoff of sloping field and corrode sink experimental provision |
CN113063694A (en) * | 2021-03-22 | 2021-07-02 | 贵州大学 | Testing device and method for soil sputtering characteristics of engineering excavation side slope |
-
2016
- 2016-10-14 CN CN201621127365.1U patent/CN206274324U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106526125A (en) * | 2016-10-14 | 2017-03-22 | 长江水利委员会长江科学院 | Dual-varying-slope erosion groove and interflow determining instrument and determining method thereof |
CN109425722A (en) * | 2017-08-29 | 2019-03-05 | 中国科学院地理科学与资源研究所 | A kind of runoff of sloping field and corrode sink experimental provision |
CN113063694A (en) * | 2021-03-22 | 2021-07-02 | 贵州大学 | Testing device and method for soil sputtering characteristics of engineering excavation side slope |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170623 Termination date: 20171014 |
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CF01 | Termination of patent right due to non-payment of annual fee |