Utility model content
In order to overcome the drawbacks of the prior art, the utility model provides a kind of soil erosion experiment test macro, knot
Structure is simple, and occupied area is small, can provide the condition further investigated soil erosion for soil erosion sediment transport and sedimentation test
The basic law of process provides service for Model of Soil Erosion research and development and bringing soil erosion under control.
Specifically, the utility model provides a kind of soil erosion experiment test system comprising sink, stirs sediment transport equipment
The bottom of the sink is arranged in mixing equipment, gradient regulating mechanism, the first pond and the second pond, the gradient regulating mechanism
Portion is configured to adjust the gradient of the sink;
The lower section of the water outlet of the sink is arranged in first pond, and second pond is arranged in first water
Near pond and by being connect with first pond communicating pipe,
The top of the sink is arranged the mixing plant, and the sink is connected with water inlet pipe, the water inlet pipe it is another
End the second pond of connection, second pond place inside are provided with muddy water pump, and the muddy water pump is provided with for adjusting
The flow control valve of water flow,
The bottom of the sink is provided with ground coarse analog layer, and the exit of the sink is provided with for acquiring
Muddy water sample V-type opening, the top of the sink are provided with third pond, and the third pond connects the water inlet pipe,
The mixing plant is arranged inside the third pond, the mixing plant include control panel, pedestal and
Agitating shaft, the end of the agitating shaft are provided with multiple spiral blades, are provided on the control panel for adjusting stirring
The gears regulating switch of device-speed,
The gradient regulating mechanism includes elevating mechanism, fixed pulley and chain, and the bottom of the sink is arranged in the chain
Portion simultaneously passes through the fixed pulley connection elevating mechanism,
The sediment transport equipment includes sediment transport hopper, motor, controller and sediment delivery pipe, the first end of the sediment delivery pipe
Connecting the sediment transport hopper, the second end of the sediment delivery pipe is arranged above the third pond, and the of the sediment delivery pipe
Two ends are provided with adjustable opening, and the motor is arranged in the top of the sediment delivery pipe and by electric wire and the control
Device connects and is controlled by the controller, and the controller can adjust the frequency of the motor to adjust the defeated of sediment transport equipment
Husky rate, the sediment delivery pipe are internally provided with spiral blade.
Preferably, the spiral blade is arranged in the sediment delivery pipe alternate internal.
Preferably, height of the second end of the sediment delivery pipe apart from ground is controlled by hydraulic jack.
Preferably, the sediment transport hopper is funnel-form, and the bottom of the sediment transport hopper connects the first of the sediment delivery pipe
End, for the sediment transport hopper by piping connection sand basin, the sediment transport hopper is internally provided with pumping installations, the pumping installations with
The controller is connected by means of data line, and the bottom of the sediment transport hopper is arranged in described be open.
Preferably, the adjustable opening includes multiple revolvable blades and blade rotary drive mechanism, institute
Stating blade can rotate under the action of blade rotary drive mechanism to form opening and according to the big of rotation angular adjustment opening
Small, the blade rotary drive mechanism connect with the controller communication and is controlled by the controller.
Preferably, the blade rotary drive mechanism is provided with blade angle rotating scale.
Preferably, the adjustable range of the sink gradient is 0-60%.
Preferably, the water flow is less than 6 × 10-3m2/s。
Preferably, the elevating mechanism is manual rocking handle or electronic rocking handle.
Compared with prior art, the utility model has the following beneficial effects:
The utility model provides a kind of soil erosion test macro and method, can stablize for sand, Labor-saving high-efficiency, safety, knot
Structure is simple, and occupied area is small, can provide condition for the exploration of soil erosion mechanism.
Specific embodiment
The exemplary embodiment, feature and aspect of performance of the utility model are described in detail below with reference to attached drawing.In attached drawing
Identical appended drawing reference indicates element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings,
It is unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
The utility model provides a kind of soil erosion test macro, as shown in Figure 1 to Figure 3 comprising sink 1, sediment transport are set
Standby 2, mixing plant 3, gradient regulating mechanism 4, the first pond 11 and the second pond 12, gradient regulating mechanism 4 are arranged in sink 1
Bottom, be configured to adjust the gradient of sink 1, the adjustable range of the sink gradient is 0-60%.
The lower section of the water outlet of sink 1 is arranged in first pond 11, and the second pond 12 is arranged near the first pond 11
And by being connect with the first pond 11 communicating pipe 13, uses and connected between the first pond 11 and the second pond 12 communicating pipe 13
Connect, guarantee water recycle and stable water supply.
Mixing plant 3 is arranged in the top of sink 1, and sink 1 is connected with water inlet pipe 14, the other end connection second of water inlet pipe 14
Pond 12,12 place inside of the second pond are provided with muddy water pump 15, and muddy water pump 15 is provided with for adjusting water flow
Flow control valve.
The bottom of sink 1 is provided with ground coarse analog layer, and the exit of sink 1 is provided with for acquiring muddy water sample
V-type opening 16, the top of sink 1 are provided with third pond 17, and third pond 17 connects water inlet pipe 14.By means of muddy water sample V-type
Opening 16 can acquire muddy water sample for being tested manually.
As shown in figure 4, mixing plant 3 is arranged inside third pond 17, mixing plant 3 includes control panel, pedestal 31
And agitating shaft 32, the end of agitating shaft 32 are provided with multiple spiral blades 33, are provided on control panel and stir for adjusting
The gears regulating switch of mixing equipment rate can adjust multiple gears of mixing plant 3 by means of regulation stall regulating switch.
Gradient regulating mechanism includes elevating mechanism, fixed pulley and chain, and chain is arranged in the bottom of sink and passes through fixed sliding
Wheel connection elevating mechanism, elevating mechanism are manual rocking handle or electronic rocking handle.
Sediment transport equipment 2 is provided with sediment transport hopper 21, sediment delivery pipe 22, motor 101 and controller 10, sediment delivery pipe 22
First end connects sediment transport hopper 21, and the second end of sediment delivery pipe 22 is arranged above third pond 17, and the second of sediment delivery pipe 22
End goes out sand portion 23 and is provided with adjustable opening 105, motor 101 top of sediment delivery pipe 22 is set and by electric wire and
Controller 10 connects and is controlled by controller 10, and controller 10 can adjust the frequency of motor 101 to adjust sediment transport equipment
Silt discharge, sediment delivery pipe 22 are internally provided with spiral blade.Spiral blade 33 is arranged in 22 alternate internal of sediment delivery pipe.
Preferably, height of the second end of sediment delivery pipe 22 apart from ground is controlled by hydraulic jack.
Preferably, sediment transport hopper 21 is funnel-form, the first end of the bottom connection sediment delivery pipe 22 of sediment transport hopper 21, sediment transport
Hopper 21 is by piping connection sand basin, and sediment transport hopper is internally provided with pumping installations, and pumping installations and controller 10 are by means of number
It is connected according to line.
Preferably, as shown in figure 5, adjustable opening 105 includes that multiple revolvable blades 1051 and blade revolve
Turn driving mechanism 1052, blade rotary drive mechanism 1052 is internally provided with driving motor, and driving motor is configured to drive
The rotation of blade rotary drive mechanism 1052 is rotated with band movable vane piece, and blade rotary drive mechanism 1052 is provided with blade angle rotation
Scale, driving motor under the control of controller 10 according to blade angle rotating scale band movable vane piece rotary drive mechanism rotate with
The size of opening is adjusted with movable vane piece rotation.Blade 1051 can rotate under the action of blade rotary drive mechanism to be formed
It is open and adjusts according to the scale of rotation angle the size of opening 1053, blade rotary drive mechanism 1052 and controller 10 communicate
It connects and is controlled by controller 10.
Feed openings size meter full scale is in 4-18mm.Sand portion 23 is provided with the detection of the sedimentary loading for detecting sedimentary loading out
Sensor 231.
The input terminal of the output end connection controller 10 of sediment transport quantity detection sensor 231, the output end connection of controller 10
The input terminal of motor 101 and openings of sizes regulating mechanism 105, sediment transport quantity detection sensor 231 send sediment transport to controller 10
Amount, controller 10 are internally provided with sedimentary loading lowest threshold and sedimentary loading highest threshold value.
When the sedimentary loading that sediment transport quantity detection sensor 231 detects is lower than sedimentary loading lowest threshold, controller 10 is to opening
Mouth size regulating mechanism sends signal increase opening to increase sedimentary loading, and such as sedimentary loading when opening is adjusted to maximum is still below
Sedimentary loading lowest threshold, then controller 10 increases the frequency of motor 101 to increase the sedimentary loading of pumping installations 103, until sediment transport
Amount reaches sedimentary loading lowest threshold;
When the sedimentary loading that sediment transport quantity detection sensor 231 detects is higher than sedimentary loading highest threshold value, controller is to opening
Size regulating mechanism 105 sends signal and reduces opening to reduce sedimentary loading, and such as sedimentary loading when opening is adjusted to minimum is still high
In sedimentary loading highest threshold value, then controller reduces controller frequency, until sedimentary loading reaches sedimentary loading highest threshold value.
Preferably, the end of water inlet pipe connection water channel is provided with water flow sensor 104, water flow sensor 104 and control
10 communication connection of device processed is simultaneously controlled by controller 10.
Preferably, sediment transport hopper 21 is internally provided with pumping installations 103 by piping connection sand basin, sediment transport hopper 21, pumps
Device 103 is sent to be connect with controller 10 by means of data line, the bottom of sediment transport hopper is arranged in opening 105.
Preferably, the adjustable range of the sink gradient is 0-60%.
Preferably, water flow is less than 6 × 10-3m2/s。
This system can be used in simulating the soil erosion of different soils, hold under the arm for analysis different soils characteristic to overland flow water flow
The influence of Sha Li provides condition, simulates practical soil erosion, can be using soil as test material, in conjunction with the soil on China abrupt slope
The characteristics of earth corrodes feature, considers the soil texture analyses in depth influence of the different soils characteristic to overland flow River Sediment Carrying Capacity.
Finally, it should be noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited;Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It is understood that it can still modify to technical solution documented by previous embodiment, or to part of or whole
Technical characteristic is equivalently replaced;And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.