• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention discloses an apparatus for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation. The apparatus includes a precipitation generator, and a simulation test tank is disposed under the precipitation generator. The precipitation generator includes a raindrop generation platform, an oscillator and a raindrop generation mechanism are arranged on the raindrop generation platform, two ends of the raindrop generation mechanism are each connected to a water pipe to form a water supply loop, a booster pump is disposed on one of the water pipes, and the oscillator and the booster pump are connected electrically connected to a power source. The simulation test tank includes a movable supporting bracket, and a drain bottom tank is attached to the movable supporting bracket. The present invention can provide precipitation with a stable intensity and improves the uniformity of simulated precipitation by simulating a transverse vibration of the raindrop generating platform; and the device has a stable construction, is easy to use and convenient to implement, and can be used for a test to generate simulated precipitation and slope flow which is limited by various factors.
    公开号:BE1027186B1
    申请号:E20195498
    申请日:2019-07-31
    公开日:2020-11-09
    发明作者:Beibei Zhou；Xiaopeng Chen；Weiyi Mu；Chaofan Liang；Guohuan Liu；Yuhua Zhang；Lu Yang
    申请人:Univ Xian Technology；
    IPC主号:
    专利说明:

    | BE2019 / 5498 DEVICE FOR PERFORMING ANALYSIS OF SLOPE FLOW AND INTERFLOW MOVEMENT BY SIMULATION OF Precipitation
    FIELD OF THE INVENTION The present invention belongs to the technical field of soil-water protection and relates to a device for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation.
    BACKGROUND OF THE INVENTION In a natural precipitation process, when the precipitation accumulation capacity of a slope soil body is less than the rainfall intensity, surface runoff is generated on the slope and at the same time an intermediate runoff is created within the slope soil body, both of which are important dynamic processes involved in the slope water and Soil erosion, the replenishment of a downstream infiltration of rivers and processes of pollution formation from non-point agricultural sources need to be considered. In the Chinese region of the Loess Plateau in particular, around 70% of the hillside is integrated, and the problem of soil and water loss is very serious and already has a considerable influence on the development of social construction and production. The problems that urgently need to be solved at the moment are therefore to examine the slope discharge and the intermediate discharge and then propose relative improvement measures. Investigations of the overland runoff or the intermediate runoff are currently being carried out mainly through the construction of precipitation and runoff test areas on a field slope. Although such a technique comes closest to natural rainfall and runoff sensing, field slope conditions are complex and changeable, and there are many broad influencing factors, and especially when a single variable is explored, other variables are relatively difficult to control, causing the formation errors in the test results is inevitable. In addition, a precipitation runoff generation test is performed by creating a simulated runoff slope in an indoor test field, which has problems with poor uniformity of simulated precipitation and unstable control of precipitation intensity.
    SUMMARY It is an object of the present invention to provide an apparatus for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation
    ° BE2019 / 5498, which solves the problems in the prior art of poor uniformity of simulated precipitation and unstable control of precipitation intensity.
    A technical solution adopted by the present invention is as follows: An apparatus for performing analysis of slope and interflow movements by simulating precipitation includes a precipitation generator, and a simulation test tank is disposed below the precipitation generator.
    The precipitation generator includes a raindrop generation platform, an oscillator and a raindrop generation mechanism are arranged on the raindrop generation platform, two ends of the raindrop generation mechanism are each connected to a water pipe to form a water supply circuit, a booster pump is disposed on one of the water pipes, and the oscillator and the booster pump are connected electrically connected to a power source.
    The simulation test tank includes a movable support bracket, a drain bottom tank is attached to the movable support bracket, and the drain bottom tank is disposed under the raindrop generation platform.
    The present invention has the following characteristics: The raindrop generation mechanism is formed by a plurality of successively connected energy dissipation blocks, a circular channel is arranged in each energy dissipation block, a plurality of raindrop generation outlets is opened in the rear end of each channel, and the energy dissipation blocks at the front End and the rear end are connected to the water pipes.
    The drain bottom tank has a base plate, the base plate being connected to the supporting support via rotating bearings, and a fixed observation baffle, a fixed sampling baffle, a barrier baffle and a movable baffle are connected end to end and disposed on the base plate.
    The movable supporting support is a trapezoidal support, a floor tank angle adjustment screw is arranged in the middle of the trapezoidal support, the trapezoidal support is connected to the drain floor tank via the pivot bearings, the floor tank angle adjustment screw is connected to the drain floor tank via a screw bearing, and a screw handle is located at one end of the bottom tank angle adjustment screw.
    The movable baffle is hinged to the base plate, and a plurality of mounting through-holes are in the fixed observation baffle and the
    ) BE2019 / 5498 fixed sampling baffle opened within a movement range of the movable baffle.
    Observation rulers are arranged on the fixed observation guide wall and are perpendicular to the base plate.
    The barrier baffle is an air flap baffle that includes a plurality of air flap blades, collection bins are arranged on the outside of the barrier baffle, and a drain recycling container is disposed below the collection bins.
    A plurality of sampling through holes are opened in the fixed sampling baffle, and the sampling through holes are evenly arranged.
    A large number of drainage holes are open in the base plate.
    The bottom of the raindrop generation platform is supported by a plurality of support rods, the support rods are evenly spaced and are located on the edges of the raindrop generation platform, and the support rods located on the top of the raindrop generation platform are stretchable support rods.
    The present invention has advantageous effects that the provided precipitation has a stable intensity, and the uniformity of the simulated precipitation is improved due to the lateral movement of the raindrop generating platform. The device has a stable construction, is easy to operate and convenient to implement and can be used for a test to generate simulated precipitation and slope runoff, which is limited by various factors.
    BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic structural diagram of an apparatus for performing analysis of slope drainage and interflow movements by simulating precipitation according to the present invention; FIG. Fig. 2 is a schematic structural diagram of a precipitation generator part of the apparatus for performing analysis of slope drainage and intermediate drainage movements by simulating precipitation according to the present invention; FIG. 3 is a schematic structural diagram of a simulation test tank portion of the apparatus for performing analysis of slope drainage and interflow movements by simulating precipitation according to the present invention; and FIG. 4 is a schematic structural diagram of an energy dissipation block of the apparatus for performing analysis of slope and interflow movements by simulating precipitation according to the present invention.
    In the drawings, 1 represents a precipitation generator, 1-1 one
    * BE2019 / 5498 raindrop generating platform, 1-2 an oscillator, 1-3 a raindrop generating mechanism, 1-4 a water pipe, 1-5 a booster pump, 1-6 a power dissipation block, 1-6-1 a raindrop generating outlet, 1-7 a water tank, 2 a simulation test tank, 2-1 a movable supporting support, 2-1-1 a floor tank angle adjustment screw, 2-1-2 a pivot bearing, 2-1-3 a screw bearing, 2-1-4 a screw handle, 2-2 a drain floor tank, 2-2-1 a base plate, 2-2-2 a fixed observation baffle, 2-2-3 a fixed sampling baffle, 2-2-4 a barrier baffle, 2- 2-5 a movable baffle, 2-2-6 an observation scale , 2-2-7 is a collecting container, 2-2-8 is a sampling through hole, and 2-2-9 is a drainage hole.
    DETAILED DESCRIPTION OF THE EMBODIMENTS In the following, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
    A technical solution adopted by the present invention is as follows: An apparatus for performing analysis of slope and interflow movements by simulating precipitation, as shown in FIG. 1, includes a precipitation generator 1, and a simulation test tank 2 is shown below the precipitation generator 1 arranged. As shown in FIG. 2, the precipitation generator 1 includes a raindrop generation platform 1-1, an oscillator 1-2 and a raindrop generation mechanism 1-3 are arranged on the raindrop generation platform 1-1, two ends of the raindrop generation mechanism 1-3 are each provided with a water pipe 1 -4 are connected to form a water supply circuit, a booster pump 1-5 is arranged on one of the water pipes 1-4, and the oscillator 1-2 and the booster pump 1-5 are electrically connected to a power source. As shown in FIG. 3, the simulation test tank 2 includes a movable supporting bracket 2-1, and a drain bottom tank 2-2 is attached to the movable supporting bracket 2-1.
    The raindrop generating mechanism 1-3 is formed by a plurality of successively connected energy dissipation blocks 1-6, as shown in Fig. 4, a circular channel is arranged in each energy dissipation block 1-6, in the rear end of each channel there are two raindrop generation outlets 1-6- 1 is opened, and the power dissipation blocks at the front end and the rear end are connected to the water pipes 1-4.
    As shown in FIG. 3, the drain bottom tank 2-2 has a base plate 2-2-1, the base plate 2-2-1 is provided with a fixed observation baffle 2-2-2, a fixed sampling baffle 2-2-3, a Blocking baffle 2-2-4 and a movable baffle 2-2-5 connected, and the fixed observation baffle 2-2-2, the blocking baffle 2-2-4, the
    ) BE2019 / 5498 fixed sampling baffle 2-2-3 and the movable baffle 2-2-5 are connected one after the other to form a cuboid.
    The movable supporting support 2-1 is a trapezoidal support, a floor tank angle adjustment screw 2-1-1 is arranged in the center of the trapezoidal support, the movable supporting support 2-1 is connected to the drain floor tank via pivot bearings 2-1-2 2-2, the bottom tank angle adjusting screw 2-1-1 is connected to the drain bottom tank 2-2 through a screw bearing 2-1-3, and a screw handle 2-1-4 is arranged at one end of the bottom tank angle adjusting screw 2-1-1.
    The movable baffle 2-2-5 is hinged to the base plate 2-2-1, and five mounting through holes are provided in the fixed observation baffle 2-2-2 and the fixed sampling baffle 2-2-3 within a range of movement of the movable baffle 2- 2-5 open.
    Observation scales 2-2-6 are arranged on the fixed observation guide wall 2-2-2 and are perpendicular to the base plate 2-2-5.
    The barrier baffle 2-2-4 is an air flap baffle comprising a plurality of louver blades, collecting bins 2-2-7 are arranged on the outside of the blocking baffle 2-2-4, and a drain recycling container is arranged below the collecting bins.
    A plurality of sampling through holes 2-2-8 are opened in the sampling baffle 2-2-3, and the sampling through holes 2-2-8 are evenly arranged in a 4 * 4 matrix.
    A plurality of drainage holes 2-2-9 are opened in the base plate 2-2-1.
    One side of the raindrop generation platform 1-1 is provided with four support rods, and two support rods located close to the upper end of the raindrop generation platform are expandable support rods.
    The tiled area of the water pipes 1-4 on the raindrop generation platform 1-1 defines an area of the simulated precipitation, and the arrangement number of raindrop generation mechanisms 1-3 defines the uniformity of the simulated precipitation. The raindrop generating mechanism 1-3 is mainly composed of a labyrinth energy dissipation device, a water flow in the water pipe 1-4 is subjected to splitting and energy dissipation to finally form raindrops to be discharged, and the flow rate Q of the raindrops is given by the equation O = O0 is determined, and by changing the circulation water pressure of the water pipe 1-4, the precipitation intensity is adjusted.
    The circulation water pressure of the water pipe 1-4 can be adjusted by adjusting the output of the circulation booster pump 1-5.
    A multi-power oscillator 1-2 is on the side surface of the
    ° BE2019 / 5498 raindrop generation platform 1-1 and can be used to give the raindrop generation platform 1-1 a transverse vibration to improve the randomness of raindrops falling on the slope and the evenness of precipitation.
    The raindrop generation platform 1-1 is supported by the expandable support rods and the mounting rods to provide a reliable precipitation amount for the precipitation simulation. The expandable support rods can control the height of one side of the raindrop generation platform 1-1 to maintain a constant angle to the slope and ensure a constant rainfall height on the slope.
    The movable baffle 2-2-5 can be bolted to the fixed observation baffle 2-2-2 and the fixed sampling baffle 2-2-3 to ensure that the movable baffle 2-2-5 is always in a vertical direction so as not to affect the precipitation area when changing the inclination angle of the drain bottom tank.
    The observation rods 2-2-6 are arranged in the middle section of the fixed observation guide wall 2-2-2, consist of an organic glass material and can be used to observe the movement process of a vertical wetting front; and four rows of sectional sampling holes 2-2-8 are evenly distributed on the fixed sampling baffle 2-2-3. In a precipitation simulation process, the sectional sampling holes 2-2-8 are closed with rubber plugs, and after the precipitation simulation is completed, sectional soil samples can be obtained through the sectional sampling holes 2-2-8 using a small auger. Connection holes for the pivot bearing and the screw bearing are provided in the underside of the fixed observation baffle 2-2-2 and in the underside of the fixed sampling baffle 2-2-3, and bayonets for collecting tanks for section-wise drainage are on the rear part of the fixed observation baffle and on located at the rear of the fixed sampling baffle to secure the drainage containers 2-2-7.
    The barrier baffle 2-2-4 is provided as an air flap baffle, each air flap leaf is rotated 45 ° upwards to achieve a barrier function when the soil is filled in the early stages, and then a section-wise intermediate drainage of the soil body, layer by layer to the To flow along louver blades, the outside of the louver baffle is connected to the sectional drainage sumps 2-2-7, a layer of the sectional drainage sump is arranged vertically every 10 cm to collect the sectional interlayer drainage, and Then it will be
    / BE2019 / 5498 recycles the drainage liquid using the drainage container.
    The base plate 2-2-1 achieves a soil body support function, drainage holes 2-2-9 are formed close to each other in the base plate 2-2-1 in order to ventilate the lower surface of the soil body, to keep the pressure constant during precipitation infiltration, and on the other hand to collect the seep liquid on the underside, with a collecting pan for the seep liquid on the underside under the base plate and being used for recycling the seep liquid on the underside.
    The movable load-bearing support 2-1 is provided in the form of a one-sided ladder, in the center of the support a bottom tank angle adjustment screw 2-1-1, which is used to adjust the slope of the drain bottom tank 2-2, is arranged, the movable load-bearing support 2-1 is connected to the drain bottom tank 2-2 through pivot bearings 2-1-2, the bottom tank angle adjusting screw 2-1-1 is connected to the drain bottom tank 2-2 through a screw bearing 2-1-3, and a screw handle 2-1-4 is on one side of the bottom tank angle adjustment screw 2-1-1 is arranged to facilitate the adjustment of the slope of the drain bottom tank 2-2.
    Movable rollers are arranged on the underside of the precipitation generator 1 and on the underside of the simulation tank 2 in order to facilitate transverse movement of the device.
    The water lines 1-4 are connected to the circulation booster pump 1-5 and a water tank 1-7 via rainwater supply circulation openings at the two ends in such a way that a water supply circuit is formed. Thereby, the wastage of water resources can be effectively reduced and the precipitation intensity is stable.
    In the test, the precipitation accumulation ability of the soil body can be obtained by the cooperation of the seepage holes 2-2-9 and the barrier wall 2-2-4 in the drain bottom tank 2-2 in combination with the total amount of precipitation.
    In the present invention, the precipitation generator 1 and the simulation test tank 2 are arranged independently from each other to be conveniently moved. The precipitation generator provides precipitation with stable intensity due to the cooperation of the water supply circuit and the labyrinth power dissipation device, and the uniformity of precipitation can be improved due to the transverse vibration of the raindrop generation platform 1-1; and the drain bottom tank 2-2 is provided with the movable baffle 2-2-5 with an adjustable construction to ensure that the precipitation area of the drain bottom tank 2-2 is not changed along with the slope, and proper application of the weep holes 2-2 -9 and the barrier baffle 2-2-4 ensures the completeness of the received movement distribution data of the precipitation in the slope soil body. The arrangement of the floor tank angle adjustment screw 2-1-1 on the underside of the drain floor tank 2-2 provides application scenarios with different slopes for a simulation test system.
    ; BE2019 / 5498 The device has a stable construction, is easy to use and convenient to implement, the test conditions are reliable and the test data are completely recorded, so that the device is suitable for a test for the generation of simulated precipitation and slope flow, the is limited by various factors.
    权利要求:
    Claims (10)
    [1]
    Claims 1. Apparatus for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation, the apparatus comprising a precipitation generator (1), and wherein a simulation test tank (2) is arranged below the precipitation generator (1); wherein the precipitation generator (1) comprises a raindrop generating platform (1-1), an oscillator (1-2) and a raindrop generating mechanism (1-3) are arranged on the raindrop generating platform (1-1), two ends of the raindrop generating mechanism (1-3) are each connected to a water pipe (1-4) to form a water supply circuit, a booster pump (1-5) is arranged on one of the water pipes (1-4), and the oscillator (1-2) and the booster pump (1 - 5) are electrically connected to a power source; and wherein the simulation test tank (2) comprises a movable supporting bracket (2-1) and a drain bottom tank (2-2) is attached to the movable supporting bracket (2-1).
    [2]
    2. Apparatus for performing an analysis of slope drainage and intermediate drainage movements by simulating precipitation according to claim 1, wherein the raindrop generating mechanism (1-3) is formed by a plurality of successively connected energy dissipation blocks (1-6) in each energy dissipation block (1- 6) a circular channel is arranged in the rear end of each channel a plurality of raindrop generation outlets (1-6-1) are opened, and the energy dissipation blocks at the front end and the rear end are connected to the water pipes (1-4).
    [3]
    3. Apparatus for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation according to claim 1, wherein the underside of the raindrop generation platform (1-1) is supported by a plurality of support rods, the support rods are evenly distributed and at the edges of the raindrop generation platform (1-1), and the support rods located on top of the raindrop generation platform (1-1) are expandable support rods.
    [4]
    4. Apparatus for performing an analysis of slope flow and intermediate flow movements by simulating precipitation according to claim 1, wherein the movable supporting support (2-1) is a trapezoidal support, the center of the movable supporting support (2-1) is provided with a floor tank angle adjustment screw (2-1-1), the movable supporting support (2-1) via pivot bearings (2-1-2) with the drain floor tank (2-2)
    is connected, the floor tank angle adjustment screw (2-1-1) is connected to the drain floor tank (2-2) via a screw bearing (2-1-3), and one end of the floor tank angle adjustment screw (2--1-1) is connected to a screw handle (2 -1-4) is provided.
    [5]
    5. Apparatus for performing an analysis of slope drainage and intermediate drainage movements by simulating precipitation according to claim 1, wherein the drainage bottom tank (2-2) comprises a base plate (2-2-1), the base plate (2-2-1) over the Pivot bearing (2-1-2) is connected to the load-bearing support (2-1), and a fixed observation baffle (2-2-2), a fixed sampling baffle (2-2-3), a blocking baffle (2-2- 4) and a movable baffle (2-2-5) are connected together end to end on the base plate (2-2-1).
    [6]
    6. Apparatus for performing analysis of slope drainage and intermediate drainage movements by simulating precipitation according to claim 5, wherein the movable baffle (2-2-5) is articulated to the base plate (2-2-1), and a plurality of attachment through holes in the fixed observation baffle (2-2-2) and the fixed sampling baffle (2-2-3) is open within a movement range of the movable baffle (2-2-5).
    [7]
    7. Device for carrying out an analysis of slope runoff and intermediate runoff movements by simulating precipitation according to claim 5, wherein observation scales (2-2-6) are arranged on the fixed observation guide wall (2-2-2) and are perpendicular to the base plate (2- 2-1) stand.
    [8]
    8. The device for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation according to claim 5, wherein the blocking baffle (2-2-4) is an air flap baffle comprising a plurality of air flap leaves, on the outside of which Barrier baffle (2-2-4) collecting container (2-2-7) are arranged, and a drain recycling container is arranged under the collecting containers (2-2-7).
    [9]
    9. The device for performing an analysis of slope drainage and intermediate drainage movements by simulating precipitation according to claim 5, wherein a plurality of sampling through holes (2-2-8) are opened in the fixed sampling baffle (2-2-3) and the sampling through holes (2 -2-8) are evenly arranged.
    "BE2019 / 5498
    [10]
    10. Apparatus for performing an analysis of slope runoff and intermediate runoff movements by simulating precipitation according to claim 5, wherein a plurality of drainage holes (2-2-9) is opened in the base plate (2-2-1).
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    引用文献:
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    法律状态:
    2021-01-15| FG| Patent granted|Effective date: 20201109 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201910277619.XA|CN110095383A|2019-04-08|2019-04-08|A kind of device carrying out slope runoff and interflow motion analysis for simulated rainfall|
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