CN212721685U - Simple device suitable for loess plateau area open-air runoff district - Google Patents
Simple device suitable for loess plateau area open-air runoff district Download PDFInfo
- Publication number
- CN212721685U CN212721685U CN202021781974.5U CN202021781974U CN212721685U CN 212721685 U CN212721685 U CN 212721685U CN 202021781974 U CN202021781974 U CN 202021781974U CN 212721685 U CN212721685 U CN 212721685U
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- Prior art keywords
- runoff
- baffle
- connecting pipe
- device suitable
- catch bowl
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002689 soil Substances 0.000 claims abstract description 15
- 239000004417 polycarbonate Substances 0.000 claims description 8
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000004162 soil erosion Methods 0.000 abstract description 6
- 230000000007 visual effect Effects 0.000 abstract 1
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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Abstract
The utility model discloses a simple and easy device suitable for regional open-air runoff district in loess plateau, including baffle (overhead gage, left baffle, right baffle trinity), fixed plate, connecting pipe, runoff water catch bowl, caliber, canopy, computer, the connecting pipe is the rectangle, and the outside front end at the connecting pipe is connected respectively to the lower extreme of left baffle and right baffle, and the upper end at left baffle and right baffle is connected to the overhead gage, the fixed plate front end inserts in the soil layer of port under the runoff district, and the connecting pipe is fixed on the fixed plate rear portion, the runoff water catch bowl is located below the connecting pipe rear portion, the runoff water catch bowl top is located to the canopy, the caliber is located below the runoff water catch bowl, the caliber passes through the data line and links to each other with the computer. The utility model discloses can effectively guarantee when open-air domatic soil erosion test, rivers evenly flow downwards along domatic parallel direction, and economic cost is lower, is particularly suitable for carrying out interim runoff district soil erosion and water loss visual test.
Description
Technical Field
The utility model relates to a simple and easy device in open-air runoff district, especially a simple and easy device suitable for the regional open-air runoff district in loess plateau.
Background
The water and soil loss refers to the damage and loss of water and soil resources and the productivity of the land under the action of natural forces such as water power, wind power, gravity, freeze thawing and the like and human activities, and comprises the erosion of the surface layer of the land and the loss of water. Wherein, the water and soil loss in loess plateau areas in China is mainly caused by hydraulic erosion (often caused by rainfall). The slope is a basic unit for water and soil loss. The runoff plot method is a mature method for researching the hydraulic erosion mechanism and observing the water and soil loss rule.
Specifically, the runoff plot generally comprises a plot surrounded by side ridges, a runoff collecting groove, runoff and sediment collecting and storing equipment, a protective belt and a drainage system. However, the construction of a large fixed runoff plot has high cost, long time consumption and unmovable key points; because many actual monitoring are mostly temporary, and data measurement is loaded down with trivial details, artifical record, and the error is big, therefore the price/performance ratio is very low.
In the process of carrying out a slope soil erosion test research, in order to conveniently acquire water and soil loss data, the test design adopts a simple device for establishing a temporary runoff plot to simulate a standard runoff plot based on the purpose, and the test design has the advantages of low cost, short time consumption, simple loading and unloading, strong mobility, repeated utilization for many times, and accurate and copyable data; the device is particularly suitable for measuring water and soil loss caused by small rainfall in loess plateau areas, can ensure that water flows uniformly downwards along the parallel direction of the slope, and can also ensure the accuracy of monitoring data within a certain allowable error range.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a simple and easy open-air runoff district device, can effectively guarantee when open-air domatic soil erosion test, rivers evenly flow downwards along on the domatic parallel direction, and economic cost is lower, is particularly suitable for carrying out interim runoff district soil erosion observation test.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a simple and easy device suitable for regional open-air runoff district in loess plateau, includes overhead gage, left baffle, right baffle, fixed plate, connecting pipe, runoff water catch bowl, caliber, rainshelter, computer, the connecting pipe is the rectangle, and the outside front end at the connecting pipe is connected respectively to the lower extreme of left baffle and right baffle, and the upper end at left baffle and right baffle is connected to the overhead gage, the fixed plate front end inserts in the soil layer of port under the runoff district, the connecting pipe is fixed on the fixed plate rear portion, the runoff water catch bowl is located below the connecting pipe rear portion, the runoff water catch bowl top is located to the rainshelter, the caliber is located below the runoff water catch bowl, the caliber passes through the data line and links to each other with the computer.
Preferably, the upper baffle, the left baffle and the right baffle are integrated, the height is not less than 15 cm, and the depth of nailing into the ground surface is 3 cm.
Preferably, the baffle is made of transparent hard PC polycarbonate.
Preferably, the length of the upper baffle is 1m, the lengths of the left baffle and the right baffle are 2m, and the lower opening is smaller than 20 cm.
Preferably, the upper part of the nozzle of the connecting pipe is positioned above the ground surface.
Preferably, the runoff district below is equipped with a cuboid groove, and the runoff water catch bowl can remove in the cuboid groove.
Preferably, the measurer consists of an electronic scale, a display and a memory card.
Preferably, the runoff rain collecting barrel is provided with volume scale marks on the barrel wall.
Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:
1. the baffle plate is made of transparent hard PC polycarbonate, can resist high temperature, can prevent low-temperature frost cracking, does not block light, and can avoid influencing plant growth.
2. Traditional runoff district often can the side direction infiltration, the utility model discloses make an organic whole with the baffle, can improve runoff district observation data precision and rationality.
3. The runoff rainwater collection barrel is provided with volume scale marks, and the volume of the lost water and soil can be directly read out.
4. Compare with traditional runoff device, the utility model discloses but real time monitoring, automatic acquisition data.
5. Compare with traditional runoff device, the utility model discloses the reading is more meticulous, accurate, can be regularly (set for measurement cycle) according to the user's demand, ration (volume), and basis weight (weight) data collection.
6. The utility model discloses can use with rain graduated flask, rain-increasing device combines.
Drawings
The present invention is described in further detail below with reference to the attached drawings.
Figure 1 is a top view of a runoff plot;
FIG. 2 is a schematic structural view of a connecting pipe connected with a runoff collecting barrel;
fig. 3 is a schematic diagram of the configuration of the measuring device connected to the computer.
Detailed Description
On the grassland slope with uniform vegetation, nailing a transparent hard PC polycarbonate (light transmission is more than 95%) baffle 7 (the height of the upper baffle, the height of the left baffle and the height of the right baffle are not less than 15 cm) into the ground surface for about 3 cm, so that the baffle is stable and cannot be blown down by wind or washed down by rainwater, the upper baffle, the left baffle and the right baffle are integrated, as shown in figure 1, the baffles are vertically arranged, the upper baffle is 1m long, the two sides are 2m long, the lower opening is controlled within 20cm, and the area enclosed by the baffles is a runoff plot. In fig. 1 and 2, 1 is a rectangular fixing plate, the width of which is 20cm (ensuring that the fixing plate is matched with the lower port of the runoff plot), and the length of the front end of which is 10cm (the front end is completely inserted into the soil layer of the lower port of the runoff plot); 2 is a rectangular connecting pipe (the front and the back are provided with openings, the width is 20cm, the length is 30cm, the height is 25cm (the bottom surface is ensured to be lower than the ground surface, the height is 25cm more than the distance between the bottom surface and the ground surface, so that the upper end of a rectangular pipe orifice is always positioned on the ground surface), the rectangular pipe is positioned at the rear part of a fixing plate, two sides of the front end of the rectangular pipe are respectively connected with a side baffle, 3 is a rain shelter, the rain shelter is positioned on a runoff water collecting barrel, the front part of the rain shelter covers a part of the rectangular connecting pipe, one side of the rain shelter, close to the connecting pipe, is high, the top part of the rain shelter is a cambered surface, one side of the rain shelter is low, so that rain water flows to the outer side of a runoff plot, the bottoms of two ends of the rain shelter are deviated outwards, excessive rain water is drained, the overall size of the rain shelter can be 100, the diameter of the circular surface is 50cm, so that the water collecting barrel 4 can move freely below the water collecting barrel 3. A cuboid groove is dug below the runoff plot, is matched with the runoff water collecting bucket, and can be put into and taken out of the runoff water collecting bucket 4. And 5, a measurer (consisting of an electronic scale, a display and a memory card) is used for recording and measuring the water and soil loss weight, and the memory card is arranged in the measurer and can record data (data comprises date, measuring times and water and soil loss weight) in real time. Wherein, the display can also set the measuring period according to the requirement of the user. And 6, a computer, which can transmit data by connecting a data line with the 5 and export the data by using a memory card.
The back of the rectangular pipe can be connected with a hose, and water is introduced into the water collecting barrel through the hose; the baffle plates which are inclined inwards can be arranged on the two sides of the back of the rectangular pipe, so that the mouth part is narrowed, and the lost water and soil can be conveniently introduced into the runoff water collecting barrel.
The utility model discloses not only be limited to loess high slope, also can be used to other areas sloping fields to measure soil erosion net flow.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a simple and easy device suitable for regional open-air runoff district in loess plateau, its characterized in that: including trinity baffle, fixed plate, connecting pipe, runoff water catch bowl, caliber, rainshelter, computer that overhead gage, left baffle, right baffle are constituteed, the connecting pipe is the rectangle, and the lower extreme of left baffle and right baffle is connected respectively at the outside front end of connecting pipe, and the upper end at left baffle and right baffle is connected to the overhead gage, the fixed plate front end inserts in the soil layer of port under the runoff district, the connecting pipe is fixed on the fixed plate rear portion, the runoff water catch bowl is located below the connecting pipe rear portion, the runoff water catch bowl top is located to the rainshelter, the caliber is located below the runoff water catch bowl, the caliber passes through the data line and links to each other with the computer.
2. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the height of the upper baffle, the height of the left baffle and the height of the right baffle are not less than 15 cm, and the depth of the upper baffle, the left baffle and the right baffle is 3 cm.
3. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the material of the upper baffle, the left baffle and the right baffle is transparent hard PC polycarbonate, and the three baffles are integrated to ensure that silt does not leak and leak laterally.
4. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the length of the upper baffle is 1m, the lengths of the left baffle and the right baffle are 2m, and the lower opening is smaller than 20 cm.
5. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the upper part of the pipe orifice of the connecting pipe is positioned on the ground surface.
6. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the runoff plot below is equipped with a cuboid groove, and the runoff water catch bowl can remove in the cuboid groove to in taking out the water catch bowl.
7. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the measurer consists of an electronic scale, a display and a memory card.
8. The simple device suitable for the loess plateau area open-air runoff plot of claim 1, which is characterized in that: the wall of the runoff rainwater collection barrel is provided with volume scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021781974.5U CN212721685U (en) | 2020-08-24 | 2020-08-24 | Simple device suitable for loess plateau area open-air runoff district |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021781974.5U CN212721685U (en) | 2020-08-24 | 2020-08-24 | Simple device suitable for loess plateau area open-air runoff district |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212721685U true CN212721685U (en) | 2021-03-16 |
Family
ID=74924102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021781974.5U Expired - Fee Related CN212721685U (en) | 2020-08-24 | 2020-08-24 | Simple device suitable for loess plateau area open-air runoff district |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212721685U (en) |
-
2020
- 2020-08-24 CN CN202021781974.5U patent/CN212721685U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |