CN209745766U - open-air normal position soil infiltration observation device - Google Patents
open-air normal position soil infiltration observation device Download PDFInfo
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- CN209745766U CN209745766U CN201920210097.7U CN201920210097U CN209745766U CN 209745766 U CN209745766 U CN 209745766U CN 201920210097 U CN201920210097 U CN 201920210097U CN 209745766 U CN209745766 U CN 209745766U
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- outlet pipe
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- 239000002689 soil Substances 0.000 title claims abstract description 58
- 230000008595 infiltration Effects 0.000 title claims abstract description 35
- 238000001764 infiltration Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 125000003003 spiro group Chemical group 0.000 claims abstract 2
- 238000011065 in-situ storage Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 25
- 230000008569 process Effects 0.000 abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000011160 research Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 9
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000009715 pressure infiltration Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model relates to a soil and water research technical field especially relates to an observation device is infiltrated in open-air normal position soil, including catchmenting the ring, be provided with the current collector on catchmenting the lateral wall of ring, be connected with the outlet pipe on the current collector, install filtering mechanism on the outlet pipe, filtering mechanism includes the outer tube, and the one end spiro union that the outlet pipe was kept away from to the outer tube has the end cover, and the outer tube internal fixation is provided with the filter screen, and the one end of filter screen is located the position that is close to the end cover, and the tip of the other end surpass. The utility model discloses an observation device is infiltrated to open-air normal position soil can reduce the raindrop splash to the influence of infiltration process, and the infiltration process of detection normal position soil that can be comparatively accurate has set up filtering mechanism on the outlet pipe simultaneously, can filter the impurity in the outlet pipe rivers, has guaranteed the accuracy of testing result to a certain extent, and can reduce the influence to the rivers throughput to a certain extent.
Description
Technical Field
the utility model relates to a soil and water research technical field especially relates to an open-air normal position soil infiltration observation device.
background
in the research of water and soil loss, the soil infiltration rate determination has very important significance for the research of rainfall resource conversion, regional water and soil resource balance and slope erosion rules, the current soil infiltration rate determination method can be divided into a water injection method and an artificial rainfall method, the water injection method adopts a single ring or double rings, water is injected in the ring, after water injection, water needs to be continuously added due to infiltration and water surface reduction, and the fixed water depth is maintained, so that the method keeps a certain water depth on the ground, and the measured result is obviously higher than the infiltration rate in a natural state for pressure infiltration.
The current patent name "soil infiltration ability survey device based on rainfall simulation", the chinese utility model patent of publication number "CN 205538583U", it goes into in the catchment ring to carry out precipitation through the rainfall simulation device, set up the flow concentrating mouth on catchment ring, the mode that utilizes flow concentrating mouth and outside flowmeter to communicate measures soil infiltration ability, but at the in-process that uses, water droplet can splash partial silt on soil, silt smugglies secretly and flows from the flow concentrating mouth in aqueous, on the one hand, can lead to the flowmeter to measure inaccurately, thereby lead to the measuring result inaccurate, on the other hand, at the in-process that flows, silt can carry out the deposit in the pipeline, thereby lead to the pipeline to block up, and then lead to the testing process to be forced to suspend.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an observation device is infiltrated to open-air normal position soil can reduce the raindrop splash to the influence of infiltrating the process, and the infiltration process of detection normal position soil that can be comparatively accurate has set up filter mechanism on the outlet pipe simultaneously, can filter the impurity in the outlet pipe rivers, has guaranteed the accuracy of testing result to a certain extent, and can reduce the influence to rivers throughput to a certain extent.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
An observation device for field in-situ soil infiltration comprises a water collecting ring, wherein a positioning block is fixedly arranged on the outer surface of the water collecting ring, a flow collecting port is formed in the side wall of the water collecting ring, a water outlet pipe is connected onto the flow collecting port, one end of the water outlet pipe penetrates through the positioning block, a liquid flow meter is arranged on the water outlet pipe, a filtering mechanism is arranged on the water outlet pipe and is located at a position close to the flow collecting port, the filtering mechanism comprises an outer pipe, the inner diameters of the outer pipe and the water outlet pipe are the same, the outer pipe is obliquely intersected, an end cover is screwed at one end, far away from the water outlet pipe, of the outer pipe, a filtering net is fixedly arranged in the outer pipe, the width of the filtering net is the same as the inner diameter of the outer pipe, one end of the filtering net is located at a position, the edge part joint of filter screen is in the joint groove, be provided with the seal membrane between joint groove and the filter screen.
When the in-situ soil infiltration observation device is used, the water collecting ring is firstly inserted into soil to be measured and is spliced to a fixed position, an artificial rainfall device is adopted to simulate rainfall conditions above the water collecting ring, and surface runoff is observed, namely the flow of outlet water of the flow collecting port is detected through the liquid flowmeter, so that the infiltration rate of the soil at the position is detected; under the condition of keeping the rainfall intensity unchanged, along with the extension of the rainfall time, the infiltration rate of the soil is gradually reduced and tends to reach the stable infiltration rate of the soil, at the moment, the numerical value detected by the liquid flowmeter basically keeps consistent, and the detection is stopped.
Additionally, the utility model discloses still set up filtering mechanism on the outlet pipe, at the in-process that detects, the rivers that have impurity such as soil particle from the mixing of flow collector outflow are flowed through filtering mechanism, wherein impurity such as soil particle smugglied secretly is intercepted by the filter screen, thereby impurity in the rivers that fluid flowmeter detected has been reduced to a certain extent, reduce its influence to fluid flowmeter, and then the accuracy of fluid flowmeter reading has been guaranteed to a certain extent, the accuracy of testing result has been guaranteed, in addition, in-process when using, impurity on the filter screen can remove towards the one end that the outlet pipe was kept away from to the outer tube under the effect of rivers, reduce the impurity adhesion volume on the interior filter screen of outlet pipe to a certain extent, thereby reduce its influence to the rivers throughput.
Furthermore, the central axes of the water outlet pipe and the outer pipe are positioned on the same horizontal line and are obliquely intersected at an angle of 30 degrees, and the outer pipe is inclined towards the direction far away from the flow collecting port.
Further, the filter screen is from last down including first filter house, second filter house and third filter house, the filtration pore diameter of first filter house, second filter house and third filter house reduces in proper order. Because the density of soil particles is greater than that of water, in the water flow, the soil particles are positioned at the lower part of the water flow, while weeds or other substances with larger particles float on the upper part of the water flow, so that the structural design of the filter screen can filter impurities in the water flow and can reduce the influence on the water flow throughput to a certain extent.
Further, a first pipe section, a second pipe section and a third pipe section are sequentially and fixedly arranged between the outer pipe and the end cover, the inner diameter of the first pipe section is larger than that of the outer pipe, and the inner diameters of the first pipe section, the second pipe section and the third pipe section are sequentially increased. The design of this structure forms the echelonment structure between outer tube, first pipeline section, second pipeline section and the third pipeline section, and at the in-process of using, silt on the filter screen removes towards the direction of keeping away from the outlet pipe, consequently can fall into darker place gradually at the in-process that removes, on the one hand, has increased the accommodation space of the impurity that the deposit got off, reduces its influence to rivers throughput, and on the other hand, can prevent to a certain extent that the impurity that the deposit got off from being broken away by rivers once more.
Furthermore, the outer pipe, the first pipe section, the second pipe section and the third pipe section are provided with inserting grooves at the positions corresponding to the filter screen, and the edges of the filter screen are inserted in the corresponding inserting grooves.
Furthermore, a plurality of saw-tooth-shaped protrusions are integrally formed on the lower end face of the water collecting ring. The serration makes it easier for the water collecting ring to be inserted into the soil.
The utility model has the advantages that:
The utility model discloses an observation device is infiltrated in open-air normal position soil, the infiltration rate of detection normal position soil that can be comparatively accurate, and simultaneously, through set up filtering mechanism on the outlet pipe, at the in-process that detects, impurity such as soil granule smuggleing secretly in the rivers is intercepted by the filter screen, thereby impurity in the rivers that liquid flowmeter detected has been reduced to a certain extent, reduce its influence to liquid flowmeter, and then the accuracy of liquid flowmeter reading has been guaranteed to a certain extent, and then the accuracy of testing result has been guaranteed, and at the in-process that uses, impurity on the filter screen can remove towards the one end that the outlet pipe was kept away from to the outer tube under the effect of rivers, reduce the impurity adhesion volume on the filter screen in the outlet pipe to a certain extent, thereby reduce its influence to the rivers throughput.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the field in-situ soil infiltration observation device of the present invention;
FIG. 2 is a schematic structural view of the axial cross section of the filter mechanism and the water outlet pipe of the field in-situ soil infiltration observation device of the present invention;
FIG. 3 is a schematic structural view of a longitudinal section of a filtering mechanism of an embodiment of the field in-situ soil infiltration observation device of the present invention;
FIG. 4 is a schematic structural view of a second filtering mechanism of an embodiment of the field in-situ soil infiltration observation device of the present invention;
FIG. 5 is a schematic structural view of a second filter screen of an embodiment of the field in-situ soil infiltration observation device of the present invention;
The water collecting device comprises a water collecting ring 1, a protrusion 11, a positioning block 12, a water outlet pipe 2, a clamping groove 21, a liquid flowmeter 3, a filtering mechanism 4, an outer pipe 41, an end cover 42, a filtering net 43, a first filtering part 431, a second filtering part 432, a third filtering part 433, a first pipe section 44, a second pipe section 45, a third pipe section 46 and a plugging groove 47.
Detailed Description
the invention will be described in detail with reference to the following drawings and specific embodiments:
Example one
as shown in fig. 1-3, the utility model discloses a field normal position soil infiltration observation device, including water collecting ring 1, the diameter of water collecting ring 1 is 50cm, can increase the area of receiving rain to a certain extent, compares with traditional dicyclo infiltration appearance, has reduced traditional dicyclo infiltration appearance because the ring section of thick bamboo area is too little the edge effect that causes; the height of the water collecting ring 1 on the soil surface is 20cm, on one hand, the soil in the water collecting ring 1 can be reduced to splash out of the water collecting ring 1, on the other hand, the soil outside the water collecting ring 1 can be prevented from splashing into the water collecting ring 1 under the action of raindrop splash, the exchange of splash substances caused by the splash erosion of the soil inside and outside the water collecting ring 1 is reduced, a plurality of saw-toothed protrusions 11 are integrally formed on the lower end surface of the water collecting ring 1, so that the water collecting ring 1 can be inserted into the soil more easily, a positioning block 12 is integrally formed on the outer surface of the water collecting ring 1, the positioning block 12 is of a cone frustum structure, when the lower end surface of the positioning block 12 is in contact with the ground in the process of inserting the water collecting ring 1 into the soil, the insertion is indicated to be inserted into a proper position, the insertion is stopped at the moment, so that the depth of the water collecting ring into the, the water collecting ring 1 is supported, so that the water collecting ring 1 can be prevented from sinking due to softening of soil in the test process; the side wall of the water collecting ring 1 is provided with a water collecting port, the lowest part of the water collecting port is slightly lower than the lower end surface of the positioning block 12, so that water in the water collecting ring 1 can flow out conveniently to a certain extent in the test process, the water collecting port is connected with a water outlet pipe 2, one end of the water outlet pipe 2 penetrates through the positioning block 12, a liquid flowmeter 3 is arranged on the water outlet pipe 2, when the water collecting ring 1 is used, the water collecting ring 1 is firstly inserted into soil to be tested, when the lower end surface of the positioning block 12 contacts the ground, the water collecting ring is inserted into a proper position, the insertion is stopped at the moment, then an artificial rain falling device is adopted in the air above the water collecting ring 1 to simulate the rainfall condition, and the infiltration rate of the soil at the position is tested by observing surface runoff, namely, the flow of; under the condition of keeping the rainfall intensity unchanged, the infiltration rate of the soil is gradually reduced along with the prolonging of the time, the stable infiltration rate of the soil tends to be reached, at the moment, the numerical value detected by the liquid flowmeter 3 is basically consistent, and the detection is stopped.
The water outlet pipe 2 is provided with a filtering mechanism 4, the filtering mechanism 4 is positioned at a position close to the water collecting port, the filtering mechanism 4 comprises an outer pipe 41, the outer pipe 41 is welded on the water outlet pipe 2, the inner diameters of the outer pipe 41 and the water outlet pipe 2 are the same, and the outer pipe 41 and the water outlet pipe 2 are obliquely intersected, wherein the central axes of the water outlet pipe 2 and the outer pipe 41 are positioned on the same horizontal line and obliquely intersected at an angle of 30 degrees, the outer pipe 41 is inclined towards the direction far away from the water collecting port, one end of the outer pipe 41 far away from the water outlet pipe 2 is screwed with an end cover 42, a sealing film is adhered between the end cover 42 and the outer pipe 41, so that the sealing performance between the end cover 42 and the outer pipe 41 is ensured to a certain degree, water leakage is avoided, a filtering net 43 is fixedly arranged in the outer pipe 41, the width of the filtering, one end of the filter screen 43 is located at a position close to the end cover 42, the end of the other end exceeds the outer tube 41 and is mounted on the inner wall of the water outlet tube 2, the water outlet tube 2 is provided with a clamping groove 21 at a position corresponding to the filter screen 43, the edge part of the filter screen 43 is clamped in the clamping groove 21, a sealing film is arranged between the clamping groove 21 and the filter screen 43, when the water flow mixed with impurities such as soil particles and the like flowing out from the flow collecting port flows through the filter mechanism 4 in the detection process, the impurities such as the entrained soil particles and the like are intercepted by the filter screen, so that the impurities in the water flow detected by the liquid flowmeter 3 are reduced to a certain extent, the influence of the impurities on the liquid flowmeter 3 is reduced, the reading accuracy of the liquid flowmeter 3 is ensured to a certain extent, the accuracy of the detection result is ensured, in addition, in the use process, the impurities on the filter screen can move towards one end of, reduce the impurity on the filter screen volume of adhering to in outlet pipe 2 to a certain extent to reduce its influence to rivers throughput, and after detecting the completion, screw off end cover 42, can take out the filter screen promptly, wash pipeline and filter screen, convenient, swift.
Example two
As shown in fig. 1 to 5, compared with the first embodiment, the difference between the first embodiment and the second embodiment is that a first pipe section 44, a second pipe section 45 and a third pipe section 46 are sequentially and fixedly installed between an outer pipe 41 and an end cover 42, the end cover 42 is screwed on the third pipe section 46, the inner diameter of the first pipe section 44 is larger than that of the outer pipe 41, wherein the fixing manner can be selected according to the material, the inner diameters of the first pipe section 44, the second pipe section 45 and the third pipe section 46 are sequentially increased, insertion grooves 47 are formed at the positions of the outer pipe 41, the first pipe section 44, the second pipe section 45 and the third pipe section 46 corresponding to the filter screen 43, the edges of the filter screen 43 are inserted into the corresponding insertion grooves 47, the arrangement of the structure forms a stepped structure among the outer pipe 41, the first pipe section 44, the second pipe section 45 and the third pipe section 46, and silt on the filter screen 43 moves towards the direction far away from the water outlet pipe 2 under the action of water flow during the use process, therefore, the impurities can gradually fall into a deeper position in the moving process, on one hand, the accommodating space of the deposited impurities is increased, the influence of the impurities on the water flow throughput is reduced, and on the other hand, the deposited impurities can be prevented from being dispersed by the water flow to a certain extent.
Wherein, filter screen 43 from last down includes first filter house 431, second filter house 432 and third filter house 433, the filtration pore diameter of first filter house 431, second filter house 432 and third filter house 433 reduces in proper order, because soil particle's density is greater than water, consequently in rivers, soil particle is in the lower part of rivers, and it is great weeds or other material of granule to float on rivers upper portion, consequently the structural design of filter screen not only can be with the impurity filtering in the rivers, can reduce the influence to the rivers throughput to a certain extent simultaneously.
although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (6)
1. the utility model provides an open-air normal position soil infiltration observation device, includes the ring that catchments, the fixed surface of the ring that catchments installs the locating piece, be provided with the current collector on the lateral wall of the ring that catchments, be connected with the outlet pipe on the current collector, the locating piece is passed to the one end of outlet pipe, and installs fluidflowmeter, its characterized in that on the outlet pipe: install filtering mechanism on the outlet pipe, filtering mechanism is located the position that is close to the current collector, filtering mechanism includes the outer tube, the internal diameter of outer tube and outlet pipe is the same, and the slope is crossing, the one end spiro union that the outlet pipe was kept away from to the outer tube has the end cover, the outer intraductal fixed filter screen that is provided with, the width of filter screen is the same with the internal diameter of outer tube, the one end of filter screen is located the position that is close to the end cover, and the tip of the other end surpasss the outer tube, and installs on the inner wall of outlet pipe, the joint groove has been seted up in the position that the filter screen corresponds to the outlet pipe, the edge part joint of filter screen.
2. The field in-situ soil infiltration observation device of claim 1, wherein: the central axes of the water outlet pipe and the outer pipe are positioned on the same horizontal line and are obliquely intersected at an angle of 30 degrees, and the outer pipe is inclined towards the direction far away from the flow collecting port.
3. The field in-situ soil infiltration observation device of claim 2, wherein: the filter screen down includes first filter house, second filter house and third filter house from last, the filtration pore diameter of first filter house, second filter house and third filter house reduces in proper order.
4. The field in-situ soil infiltration observation device of claim 3, wherein: and a first pipe section, a second pipe section and a third pipe section are sequentially and fixedly arranged between the outer pipe and the end cover, the inner diameter of the first pipe section is larger than that of the outer pipe, and the inner diameters of the first pipe section, the second pipe section and the third pipe section are sequentially increased.
5. The field in-situ soil infiltration observation device of claim 4, wherein: the outer pipe, the first pipe section, the second pipe section and the third pipe section are provided with inserting grooves at the positions corresponding to the filter screen, and the edges of the filter screen are inserted in the corresponding inserting grooves.
6. An in situ soil infiltration observation device in the field according to any one of claims 1 to 5, characterized in that: the lower end surface of the water collecting ring is integrally formed with a plurality of saw-toothed protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210097.7U CN209745766U (en) | 2019-02-19 | 2019-02-19 | open-air normal position soil infiltration observation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210097.7U CN209745766U (en) | 2019-02-19 | 2019-02-19 | open-air normal position soil infiltration observation device |
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| Publication Number | Publication Date |
|---|---|
| CN209745766U true CN209745766U (en) | 2019-12-06 |
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|---|---|---|---|
| CN201920210097.7U Expired - Fee Related CN209745766U (en) | 2019-02-19 | 2019-02-19 | open-air normal position soil infiltration observation device |
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| CN (1) | CN209745766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579456A (en) * | 2020-05-29 | 2020-08-25 | 水利部牧区水利科学研究所 | Soil infiltration capacity monitoring device and monitoring method |
-
2019
- 2019-02-19 CN CN201920210097.7U patent/CN209745766U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579456A (en) * | 2020-05-29 | 2020-08-25 | 水利部牧区水利科学研究所 | Soil infiltration capacity monitoring device and monitoring method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |