CN210442226U - Debris flow monitoring experiment device based on channel flow depth and pressure - Google Patents
Debris flow monitoring experiment device based on channel flow depth and pressure Download PDFInfo
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- CN210442226U CN210442226U CN201921412520.8U CN201921412520U CN210442226U CN 210442226 U CN210442226 U CN 210442226U CN 201921412520 U CN201921412520 U CN 201921412520U CN 210442226 U CN210442226 U CN 210442226U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 239000011435 rock Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000004575 stone Substances 0.000 claims abstract description 11
- 238000009825 accumulation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013401 experimental design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses a mud-rock flow monitoring experiment device based on channel flow depth, pressure has solved that southwest mountain area flow channel slope is big, the circulation district channel corrodes and seriously causes mud-rock flow unit weight monitoring inaccurate, not high-efficient problem. The utility model comprises an experimental water storage tank, an electric flow control monitor, a drain pipe, a mud stone launder, a flow depth monitor, a pressure monitor and a hydraulic support device, wherein the mud stone launder is placed in an inclined way, the hydraulic support device is arranged at the bottom of the mud stone launder downwards, one end of the mud stone launder which is inclined upwards is connected with the drain pipe, and the drain pipe is connected with the experimental water storage tank; the upper portion tank bottom of the one end of mud-rock flow basin tilt up is equipped with mud-rock flow experiment thing source accumulation body, is equipped with the frid on the well lower part tank bottom of mud-rock flow basin, is equipped with the flow depth monitor according to interval distribution on the frid at middle part, and the frid bottom is equipped with pressure monitor, pressure monitor and flow depth monitor one-to-one, and the pressure monitor that every group corresponds is located same vertical direction with the flow depth monitor.
Description
Technical Field
The utility model relates to a mud-rock flow experimental design application technical field, concretely relates to mud-rock flow monitoring experiment device based on channel flow depth, pressure.
Background
Debris flow is a disaster landform phenomenon closely related to drainage basin conditions, source conditions, rainfall conditions and the like, is often accompanied by the characteristics of instantaneous outbreak, high movement speed, long rushing-out distance and large rushing-out scale, and is regarded as a typical geological disaster by people. The geologic hazard of the debris flow in China is mainly distributed in mountainous areas, particularly after Wenchuan earthquake and Lushan earthquake, the outbreak frequency of the debris flow in the mountainous areas in the southwest of China is increased suddenly, and the rushing-out scale of the debris flow is increased.
The real-time monitoring difficulty system in the debris flow generation process is very large, and the experimental device is an effective means. At present, the mud-rock flow is mainly monitored in the field through rainfall intensity and surface runoff flow depth, an experiment system for monitoring the volume weight of the mud-rock flow is few, and an experiment device for monitoring the volume weight of the mud-rock flow in the prior art does not combine the characteristics of large gradient of a flow channel in a southwest mountainous area, serious erosion of the flow channel in a flow area and the like for experimental analysis, so that the problems of low accuracy and low efficiency of monitoring the volume weight of the mud-rock flow in China are caused, and the accurate volume weight of the mud-rock flow is not convenient to obtain.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in the prior art, the experiment device for monitoring the volume weight of the debris flow does not combine the characteristics of large gradient of a flow channel, serious erosion of the channel in a circulation area and the like for experimental analysis, so that the problems of low accuracy and low efficiency of monitoring the volume weight of the debris flow in China are caused, and the accurate volume weight of the debris flow is not convenient to obtain. The utility model provides a solve a mud-rock flow monitoring experiment device based on channel flow depth, pressure of above-mentioned problem.
The utility model discloses a following technical scheme realizes:
a debris flow monitoring experiment device based on channel flow depth and pressure comprises an experiment water storage tank, an electric flow control monitor, a drain pipe, a debris launder, a flow depth monitor, a pressure monitor and hydraulic support devices, wherein the debris launder is obliquely arranged, at least two hydraulic support devices are arranged at the bottom of the debris launder downwards, one end of the debris launder, which is inclined upwards, is connected with the drain pipe, the drain pipe is connected with the experiment water storage tank, and the electric flow control monitor is arranged between the drain pipe and the experiment water storage tank;
the mud-rock flow basin is provided with mud-rock flow experiment thing source accumulation body at the bottom of the upper reaches tank of tilt up one end, and the both sides of mud-rock flow basin are provided with side direction baffle, and basin upper portion is provided with the flow depth monitor according to interval distribution, and the basin bottom is provided with pressure monitor, pressure monitor and flow depth monitor one-to-one, and every group of pressure monitor that corresponds is located same vertical direction with the flow depth monitor.
The working principle is as follows: in the prior art, the experiment device for monitoring the volume weight of the debris flow does not combine the characteristics of large gradient of a flow channel, serious erosion of the channel in a circulation area and the like for experimental analysis, so that the problems of low accuracy and low efficiency of monitoring the volume weight of the debris flow in China are caused, and the accurate volume weight of the debris flow is not convenient to obtain. The above technical scheme is adopted in the utility model the inclination through two at least hydraulic support device adjustment mud stone tye simulates the stream channel slope, is provided with side direction baffle in the both sides of mud stone tye, pressure monitor and the stream depth monitor that set up with the bottom one-to-one on the basin. The debris flow source is started under the impact of water and moves along the flow direction of the water tank, the debris flow obtains a dynamic monitoring value of the volume weight of the debris flow through the flow depth and the pressure of each group of pressure monitors and flow depth monitors, the volume weight is measured by comparing with the timed sampling at the downstream of the experimental tank, and the debris flow monitoring experimental model based on the channel flow depth and the pressure is corrected; in addition, the control of water flow can be monitored through the electric flow control monitor, and the adjustment is convenient and easy.
The utility model has the advantages of simple and reasonable structure, combine the mud-rock flow channel slope of china big and the serious characteristics of circulation district channel erosion, guarantee that the monitoring is high-efficient, accurate, the utility model discloses the device mainly through the stream depth, the channel pressure change characteristic of mud-rock flow motion process, through being applied to mud-rock flow unit weight prediction with the stream depth, the pressure nature of mud-rock flow outbreak in-process, provide the support for the real-time dynamic unit weight monitoring in later stage, provide support for the early warning and the prevention and cure of mud-rock flow.
Preferably, the pressure monitor is provided with three groups corresponding to the flow depth monitor, and the flow depth and the pressure in the mud-rock flow experiment movement process are obtained through analysis of three groups of experiment data.
Preferably, the water tank in the middle is provided with the flow depth monitors and the pressure monitors at unequal intervals in the flow direction, or the water tank in the middle is provided with the flow depth monitors and the pressure monitors at equal intervals in the flow direction.
Preferably, the inclination angle of the mud-stone launder is 0-30 °.
Preferably, the drain pipe adopts a hose, and the hose is connected with the downstream debris flow flume, so that the hose can be freely bent when the inclination of the debris flow flume is adjusted, and the normal and smooth work of the drain pipe is ensured.
Preferably, the experimental water storage tank is a cylindrical water storage container made of steel.
Preferably, the debris flow basin adopts the steel sheet material, side direction baffle adopts resin organic glass material, and resin organic glass material has better transparency, chemical stability, and mechanical properties and weatherability easily the test experiment of debris flow to still easily observe.
Preferably, still include the support, the experiment storage water tank is provided with the support downwards, and the support of a take the altitude makes the experiment storage water tank be in a take the altitude, because the action of gravity of water, is favorable to subsequent experiment, and the water conveniently flows into in the mud-rock flow basin.
Preferably, the debris flow monitoring experiment device is used for monitoring a debris flow channel with the angle of 0-30 degrees.
The utility model discloses have following advantage and beneficial effect:
1. the utility model discloses an inclination of two at least hydraulic support device adjustment mud stone tye simulates the stream channel slope, sets up side direction baffle in the both sides of mud stone tye, pressure monitor and the stream depth monitor that set up with the bottom one-to-one on the basin. The debris flow source is started under the impact of water and moves along the flow direction of the water tank, and the debris flow obtains a dynamic monitoring value of the volume weight of the debris flow through the flow depth and pressure change in a debris flow experiment;
2. the utility model has the advantages of simple and reasonable structure, combine the mud-rock flow channel slope of china big and the serious characteristics of circulation district channel erosion, guarantee that the monitoring is high-efficient, accurate, the utility model discloses the device mainly through the stream depth, the channel pressure change characteristic of mud-rock flow motion process, through being applied to mud-rock flow unit weight prediction with the stream depth, the pressure nature of mud-rock flow outbreak in-process, provide the support for the real-time dynamic unit weight monitoring in later stage, provide support for the early warning and the prevention and cure of mud-rock flow.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is the utility model discloses a debris flow monitoring experiment device cross section structure sketch map based on channel flow depth, pressure.
Fig. 2 is the utility model discloses a mud-rock flow monitoring experiment device horizontal plane structure sketch map based on channel flow depth, unit weight.
Reference numbers and corresponding part names in the drawings:
1-a first flow depth monitor, 2-a second flow depth monitor, 3-a third flow depth monitor, 4-a first pressure monitor, 5-a second pressure monitor, 6-a third pressure monitor, 7-a lateral baffle, 8-a hydraulic support device, 11-a water tank, 12-an experiment water storage tank, 13-an electric flow control monitor, 14-a water discharge pipe and 15-a support.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in fig. 1 and 2, the debris flow monitoring experiment device based on channel flow depth and pressure comprises an experiment water storage tank 12, an electric flow control monitor 13, a drain pipe 14, a debris flow water tank 11, a flow depth monitor, a pressure monitor and hydraulic support devices 8, wherein the debris flow water tank 11 is obliquely arranged, the inclination angle of the debris flow water tank 11 is 0-20 degrees, two hydraulic support devices 8 are downwards arranged at the bottom of the debris flow water tank 11, the drain pipe 14 is connected to one upwards inclined end of the debris flow water tank 11, the drain pipe 14 is connected with the experiment water storage tank 12, and the electric flow control monitor 13 is arranged between the drain pipe 14 and the experiment water storage tank 12;
the mud-rock launder 11 inclines upward the upper portion tank bottom of one end is provided with mud-rock flow experiment thing source accumulation body, and the both sides of mud-rock flow basin 11 are provided with side shield 7, and 11 upper portions of basin 11 of midstream are provided with the stream depth monitor according to interval distribution, and 11 bottoms of basin are provided with pressure monitor, pressure monitor and stream depth monitor one-to-one, and the pressure monitor that every group corresponds is located same vertical direction with the stream depth monitor, in this embodiment, pressure monitor and stream depth monitor correspond and are provided with three groups, note first stream depth monitor 1 in proper order, first pressure monitor 4, second stream depth monitor 2, second pressure monitor 5, third stream depth monitor 3, third pressure monitor 6.
The utility model discloses a mud-rock flow monitoring experiment device based on channel depth of flow, pressure is used for monitoring 0-30 mud-rock flow channel.
In this embodiment, the water tank 11 in the middle is provided with a flow depth monitor and a pressure monitor at equal intervals in the flow direction.
In this embodiment, the drain pipe 14 is a hose connected to the downstream debris flow basin 11, so that the hose can be bent freely when the inclination of the debris flow basin 11 is adjusted, thereby ensuring the normal and smooth operation of the drain pipe 14.
In this embodiment, the experimental water storage tank 12 is a cylindrical water storage container made of steel.
In this embodiment, mud-rock flow basin 11 adopts the steel sheet material, side direction baffle 7 adopts resin organic glass material, and resin organic glass material has better transparency, chemical stability, and mechanical properties and weatherability easily the test experiment of mud-rock flow to still easily observe.
Obtain channel length, channel width, channel slope, channel roughness coefficient isoparametric of mud-rock flow ditch through field investigation and field measurement among this experimental apparatus to obtain through the similarity than the method the length of mud-rock flow basin 11 is 2m, and the width is 25cm, and the degree of depth is 20cm, and the roughness coefficient of 11 bottoms in mud-rock flow basin is 0.3.
When in implementation: the utility model adopts the above scheme to simulate through two at least hydraulic support device 8 adjustment mud-rock flow basin 11's inclination and flow the channel slope, be provided with side direction baffle 7 on mud-rock flow basin 11's well lower part tank bottom, pressure monitor and the stream depth monitor that sets up with the bottom one-to-one on basin 11, the impact of water gets off the test along mud-rock flow experiment thing source accumulation body that mud-rock flow basin 11 upper portion tank bottom flows down and flows through the stream depth and the pressure of every group pressure monitor and stream depth monitor. The debris flow source is started under the impact of water and moves along the flow direction of the water tank, the debris flow obtains a dynamic monitoring value of the volume weight of the debris flow through the flow depth and pressure changes in the debris flow experiment, the volume weight is measured by comparing with the timed sampling at the downstream of the experiment tank, and the debris flow monitoring experiment model based on the channel flow depth and pressure is corrected; in addition, the control of water flow can be monitored through the electric flow control monitor 13, the electric flow control monitor 13 controls the clear water flow in the experiment water storage tank 12 in an electric mode, the clear water flow in the experiment process is displayed in real time, and the electric flow control monitor 13 is connected with the downstream drain pipe 14, so that the adjustment is convenient and easy.
The utility model has the advantages of simple and reasonable structure, combine the mud-rock flow channel slope of china big and the serious characteristics of circulation district channel erosion, the utility model discloses the device mainly through the stream depth, the channel pressure change characteristic of mud-rock flow motion process, through being applied to mud-rock flow unit weight prediction with stream depth, the pressure nature of mud-rock flow outbreak in-process, provide the support for the real-time dynamic unit weight monitoring in later stage.
In the using process of the utility model, the source quantity, the debris flow solid particle gradation and the main material composition in the debris flow outbreak process are determined through the debris flow gully field investigation and experiment similarity ratio; the method comprises the following steps that solid matters are corroded and started by surface runoff under the upstream water flow scouring condition through debris flow experimental materials to form a debris flow process, and in the process, the flow depth and the pressure in the debris flow experimental movement process are obtained through an experimental flow depth monitor and a pressure monitor.
Example 2
As shown in fig. 1 and fig. 2, the difference between this embodiment and embodiment 1 is that the present embodiment further includes a support 15, the experiment water storage tank 12 is provided with the support 15 downward, the support 15 with a certain height makes the experiment water storage tank 12 at a certain height, which is beneficial to the subsequent experiment due to the gravity action of water, and the water conveniently flows into the debris flow water tank 11;
and a flow depth monitor and a pressure monitor are arranged on the water tank 11 in the middle part at unequal intervals in the flow direction.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a mud-rock flow monitoring experiment device based on channel flow depth, pressure which characterized in that: the device comprises an experiment water storage tank (12), an electric flow control monitor (13), a drain pipe (14), a mud-rock flow trough (11), a flow depth monitor (1, 2, 3), a pressure monitor (4, 5, 6) and hydraulic support devices (8), wherein the mud-rock flow trough (11) is obliquely arranged, at least two hydraulic support devices (8) are arranged at the bottom of the mud-rock flow trough (11) downwards, the drain pipe (14) is connected to one end, which is inclined upwards, of the mud-rock flow trough (11), the drain pipe (14) is connected with the experiment water storage tank (12), and the electric flow control monitor (13) is arranged between the drain pipe (14) and the experiment water storage tank (12);
the mud-rock launder (11) tilt up one end the upper reaches tank bottom is provided with mud-rock flow experiment thing source accumulation body, and the both sides of mud-rock launder (11) are provided with side direction baffle (7), and basin (11) upper portion of midstream is provided with the flow depth monitor according to interval distribution, and basin (11) bottom is provided with pressure monitor, and pressure monitor and flow depth monitor one-to-one, and the pressure monitor that every group corresponds is located same vertical direction with the flow depth monitor.
2. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 1, wherein: three groups of pressure monitors and three groups of flow depth monitors are correspondingly arranged.
3. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 2, wherein: pressure monitors and flow depth monitors are arranged on the bottom of the water tank (11) at the midstream along the flow direction at unequal intervals.
4. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 2, wherein: pressure monitors and flow depth monitors are distributed on the bottom of the water tank (11) at the midstream along the direction of the flow direction at equal intervals.
5. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 1, wherein: the inclination angle of the mud-stone launder (11) is 0-30 degrees.
6. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 1, wherein: the drain pipe (14) adopts a hose; the experimental water storage tank (12) is a cylindrical water storage container and is made of steel.
7. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 1, wherein: the mud stone launder (11) adopts the steel sheet material, side direction baffle (7) adopt resin organic glass material.
8. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 1, wherein: the experimental water storage tank (12) is placed on the support (15).
9. The debris flow monitoring experiment device based on the channel flow depth and the pressure as claimed in claim 1, wherein: the debris flow monitoring experimental device is used for monitoring a debris flow channel with the angle of 0-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412520.8U CN210442226U (en) | 2019-08-28 | 2019-08-28 | Debris flow monitoring experiment device based on channel flow depth and pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921412520.8U CN210442226U (en) | 2019-08-28 | 2019-08-28 | Debris flow monitoring experiment device based on channel flow depth and pressure |
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| CN210442226U true CN210442226U (en) | 2020-05-01 |
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| CN201921412520.8U Expired - Fee Related CN210442226U (en) | 2019-08-28 | 2019-08-28 | Debris flow monitoring experiment device based on channel flow depth and pressure |
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