CN206378395U - The double-ring infiltration instrument of double-ring infiltration instrument and vaporization prevention - Google Patents
The double-ring infiltration instrument of double-ring infiltration instrument and vaporization prevention Download PDFInfo
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- CN206378395U CN206378395U CN201621312028.XU CN201621312028U CN206378395U CN 206378395 U CN206378395 U CN 206378395U CN 201621312028 U CN201621312028 U CN 201621312028U CN 206378395 U CN206378395 U CN 206378395U
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- double
- ring
- outer shroud
- infiltration instrument
- inner ring
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Abstract
Double-ring infiltration instrument and the double-ring infiltration instrument of vaporization prevention that the utility model is provided, belong to geology detecting field of tool.Double-ring infiltration instrument includes inner ring and outer rings, is connected between the lateral wall of inner ring and the madial wall of outer shroud by multiple connecting rods, and the end of same one end of outer shroud and inner ring is arranged at intervals with one insertion tooth of formation between multiple otch, two neighboring otch.The double-ring infiltration instrument of vaporization prevention, including vaporization prevention lid and double-ring infiltration instrument, are hinged by articulated elements between vaporization prevention lid and outer shroud and are detachably connected by shackle member.The technical program enables double-ring infiltration instrument to be more easy to pound in soil by setting up insertion tooth on the basis of existing technology, reduces the destruction to soil, and then ensure the infiltration soil that water can be concentrated more, it is ensured that the measured value of soil permeability coefficient is more accurate.The double-ring infiltration instrument of vaporization prevention can reduce evaporation capacity of the moisture content in the temperature higher time in inner ring, and then ensure the accuracy of measured value.
Description
Technical field
The utility model is related to geology detecting field of tool, in particular to pair of double-ring infiltration instrument and vaporization prevention
Ring infiltration instrument.
Background technology
Double-ring infiltration instrument is a kind of simple equipment, for measuring the seepage velocity that water penetrates into soil, and then calculates soil
Vertical hydraulic conductivity.Infiltration rate refers to the water infiltration capacity of per surface area in the unit interval.It is the conventional reality of soil mechanics section
Test equipment.Bicyclic is two donuts, and inner ring control experiment area, outer shroud ensures to infilter and reduce under the solution of inner ring is vertical
Side seepage.Because the water in inner ring is perpendicular flow, thus measurement is only limitted to the progress in inner ring.Obtain satisfied survey
Result is measured, the following factor that may influence to measure must be considered：Surface vegetation, the compacting degree of soil, the soil moisture
And soil layering.But existing double-ring infiltration instrument is first to be put into test site by bicyclic, both hands pressing is bicyclic to insert soil
Or tapped with iron hammer even into soil, it can usually be destroyed soil, and then the compacting degree of soil is influenceed, so as to influence
The accuracy of the measured value of the vertical hydraulic conductivity of soil.
Utility model content
The purpose of this utility model is to provide double-ring infiltration instrument, it is ensured that the infiltration soil that water can be concentrated more, it is ensured that
The measured value of soil permeability coefficient is more accurate.
Another purpose of the present utility model is the double-ring infiltration instrument for providing vaporization prevention, to reduce the evaporation capacity of water,
Ensure that the measured value of soil permeability coefficient is more accurate.
What the utility model was realized in：
The double-ring infiltration instrument that the utility model is provided, including inner ring and outer rings, inner ring are arranged at the inner side of outer shroud, inner ring
Connected between lateral wall and the madial wall of outer shroud by multiple connecting rods, the end of same one end of outer shroud and inner ring is arranged at intervals with
An insertion tooth is formed between multiple otch, two neighboring otch.
Double-ring infiltration instrument is a kind of simple equipment, for measuring the seepage velocity that water penetrates into soil, and then calculates soil
Vertical hydraulic conductivity.Infiltration rate refers to the water infiltration capacity of per surface area in the unit interval.It is the conventional reality of soil mechanics section
Test equipment.Bicyclic is two donuts, and inner ring control experiment area, outer shroud ensures to infilter and reduce under the solution of inner ring is vertical
Side seepage.It should be noted that in the case of no specified otherwise, hereinafter bicyclic refers to inner ring and outer rings.
Connecting rod is used to realize the connection between inner ring and outer rings, and the setting direction of connecting rod can be along bicyclic diameter
Direction is set can also be at a certain angle with bicyclic diametric(al) shape.It is arranged at intervals between otch and insertion tooth, actual behaviour
When work, using bicyclic one end for being provided with insertion tooth and otch as the initiating terminal for inserting soil, due to the horizontal stroke of insertion tooth
Sectional area is small, therefore, it is possible to reduce the resistance of bicyclic insertion soil, reduces the destruction to surrounding soil, it is ensured that the water energy in inner ring
It is enough it is vertical as far as possible under ooze, and then ensure the degree of accuracy of vertical hydraulic conductivity measured value.
Further, reinforcement fix bar is provided between inner ring and outer rings, strengthens one end of fix bar and the outside of inner ring
Wall is connected, and the other end for strengthening fix bar reaches the outside of outer shroud and in coniform through the side wall of outer shroud.
Further, the lateral wall annular spread of outer shroud has multiple tips raised, and multiple tip projections are located at close to insertion
One end of tooth.
Further, double-ring infiltration instrument also include cross link, cross link include the first bar arranged in a crossed manner and
Second bar, cross link is arranged at one end of inner ring and outer rings and away from insertion tooth.
Further, cross link is provided with impact disc, and impact disc is embedded at the intersection of the first bar and the second bar
Place.
Further, one end of the remote insertion tooth of inner ring is provided with four first and is embedded breach, the remote insertion of outer shroud
One end of tooth is provided with four second and is embedded breach, and first, which is embedded breach and second, is embedded breach and is horizontally arranged with supporting pad
Plate, the longitudinal cross-section of each support backing plate is in half arc, and the first bar and the second bar are connected in support backing plate respectively.
Further, one end of inner ring is welded with the first of four annular spreads and taps disc, and one end of outer shroud is also welded
Have four annular spreads second taps disc, and four first percussion discs and four second tap discs and are respectively positioned on away from insertion
One end of tooth；Two of which first, which taps disc and two second and taps diametric(al) of the discs along outer shroud, to be set and passes through first
Strut is connected, and remaining two first percussion discs and two second percussion discs also set and passed through along the diametric(al) of outer shroud
Second strut is connected.
Further, the side wall of inner ring is vertically embedded with glass slit, and glass slit is provided with scale.
Further, the lateral wall of outer shroud is symmetrically arranged with two handles.
A kind of double-ring infiltration instrument of vaporization prevention, including vaporization prevention lid and double-ring infiltration instrument, vaporization prevention lid are provided with articulated elements
And shackle member, it is hinged and is detachably connected by shackle member by articulated elements between vaporization prevention lid and outer shroud.
The beneficial effects of the utility model：The technical program is made double by setting up insertion tooth on the basis of existing technology
Ring infiltration instrument can be more easy to pound in soil, reduce the destruction to soil, and then the infiltration soil that guarantee water can be concentrated more,
Ensure that the measured value of soil permeability coefficient is more accurate.
The double-ring infiltration instrument of vaporization prevention can reduce moisture in inner ring in the evaporation capacity of temperature higher time, Jin Erbao
Card water can vertically penetrate into soil as far as possible, it is ensured that the accuracy of measured value.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
The first structural representation for the double-ring infiltration instrument that Fig. 1 provides for the utility model embodiment；
Second of structural representation of the double-ring infiltration instrument that Fig. 2 provides for the utility model embodiment；
The third structural representation for the double-ring infiltration instrument that Fig. 3 provides for the utility model embodiment；
4th kind of structure partial of the double-ring infiltration instrument that Fig. 4 provides for the utility model embodiment cuts open schematic diagram；
The top view of 5th kind of structure of the double-ring infiltration instrument that Fig. 5 provides for the utility model embodiment；
The top view of 6th kind of structure of the double-ring infiltration instrument that Fig. 6 provides for the utility model embodiment.
Icon：100- inner ring；110- otch；120- insertion tooths；130- supports backing plate；140- first taps disc；150-
First strut；The struts of 160- second；170- glass slits；200- outer shrouds；210- tips are raised；220- second taps disc；
300- connecting rods；400- strengthens fix bar；500- cross links；510- impacts disc；600- handles.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation, the orientation or position relationship of the instruction such as term " interior ", " outer " in description of the present utility model
For based on orientation shown in the drawings or position relationship, or the orientation or position that the utility model product is usually put when using
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term is " even
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine
Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
Specific embodiment, referring to figs. 1 to Fig. 6.
The double-ring infiltration instrument that the present embodiment is provided, as shown in figure 1, including inner ring 100 and outer shroud 200, inner ring 100 is arranged at
The inner side of outer shroud 200, is connected, outer shroud between the lateral wall of inner ring 100 and the madial wall of outer shroud 200 by multiple connecting rods 300
200 and inner ring 100 same one end end be arranged at intervals between multiple otch 110, two neighboring otch 110 formed one insert
Enter tooth 120.
Double-ring infiltration instrument is a kind of simple equipment, for measuring the seepage velocity that water penetrates into soil, and then calculates soil
Vertical hydraulic conductivity.Infiltration rate refers to the water infiltration capacity of per surface area in the unit interval.It is the conventional reality of soil mechanics section
Test equipment.Bicyclic is two donuts, the control experiment area of inner ring 100, under outer shroud 200 ensures that the solution of inner ring 100 is vertical
Infilter and reduce side seepage.It should be noted that in the case of no specified otherwise, in hereinafter bicyclic is referred to
Ring 100 and outer shroud 200.
Connecting rod 300 is used to realize the connection between inner ring 100 and outer shroud 200, and the setting direction of connecting rod 300 can edge
That bicyclic diametric(al) sets can also be at a certain angle with bicyclic diametric(al) shape.Otch 110 and insertion tooth 120 it
Between be arranged at intervals, when practical operation, regard bicyclic one end for being provided with insertion tooth 120 and otch 110 as insertion soil
Initiating terminal, because the cross-sectional area of insertion tooth 120 is small, therefore, it is possible to reduce it is bicyclic insertion soil resistance, reduce to surrounding
The destruction of the soil body, it is ensured that water in inner ring 100 can it is vertical as far as possible under ooze, and then ensure vertical hydraulic conductivity measured value
The degree of accuracy.The shape of insertion tooth 120 can be triangle, trapezoidal or other tips shape.
As shown in figure 1, double-ring infiltration instrument also includes cross link 500, cross link 500 includes arranged in a crossed manner the
One bar and the second bar, cross link 500 are arranged at inner ring 100 and one end and the remote insertion tooth 120 of outer shroud 200.
Cross link 500 is set to strengthen the bonding strength between inner ring 100 and outer shroud 200, while cross is connected
Frame 500 can also effectively limit the relative position relation between inner ring 100 and outer shroud 200, and cross link 500 can also be easy to
Carry double-ring infiltration instrument and the operation for bicyclic insertion soil provides more convenience.Bicyclic use is set to become more square
Just.
As shown in figure 1, being provided with reinforcement fix bar 400 between inner ring 100 and outer shroud 200, strengthen one end of fix bar 400
It is connected with the lateral wall of inner ring 100, the other end for strengthening fix bar 400 reaches the outside of outer shroud 200 through the side wall of outer shroud 200
And in coniform.The bonding strength between inner ring 100 and outer shroud 200 can be strengthened by strengthening the one side of fix bar 400.The opposing party
Face, tip shape can be formed in the lateral wall of outer shroud 200 by strengthening one end through the outer shroud 200 of fix bar 400, be made bicyclic
It is easier to pound in soil, reduces to damage of soil body.Further improve the degree of accuracy of vertical hydraulic conductivity measured value.Strengthen fixing
Bar 400 can set one or more.Strengthening fix bar 400 can be using the different shape in longitudinal cross-section.
As shown in figure 1, one end of the remote insertion tooth 120 of inner ring 100, which is provided with four first, is embedded breach, outer shroud 200
One end of remote insertion tooth 120 be provided with four second and be embedded breach, first is embedded breach and second to be embedded breach horizontal
Support backing plate 130 is provided with, the longitudinal cross-section of each support backing plate 130 is in half arc, the first bar and the difference clamping of the second bar
In support backing plate 130.Support backing plate 130 is set primarily to increase the first bar and inner ring 100, the end of outer shroud 200 connect
Contacting surface is accumulated and the second bar and inner ring 100, the contact area of the end of outer shroud 200, and then reduces by-local forces, is utilizing machine
Tool tool exterior applies active force can reduce the first bar or the second bar to inner ring 100 and outer when disc 510 are impacted
The impulsive force of ring 200, it is to avoid inner ring 100 and the end of outer shroud 200 cause deformation, inner ring 100 and the shape of outer shroud 200 because stress is excessive
There is error in the height measurements that shape deformation easily causes water in inner ring 100, and then influence the standard of the measured value of soil permeability coefficient
Exactness.
As shown in Fig. 2 the lateral wall of outer shroud 200 is symmetrically arranged with two handles 600.Handle 600 is set, is easy to carry,
Carry, and other operations to bicyclic progress.
As shown in figure 3, the lateral wall annular spread of outer shroud 200 has multiple tip projections 210, multiple tips are raised 210
In one end close to insertion tooth 120.Multiple tip projections 210 can be arranged in outer shroud using regularly or irregularly mode
200 lateral wall.One end for being integrally located at the setting insertion tooth 120 close to outer shroud 200 of multiple tip projections 210, tip is convex
Rising 210 can increase extruding of the outer shroud 200 to soil, make it is bicyclic be easier to pound in soil, reduce to damage of soil body.Further
Improve the degree of accuracy of vertical hydraulic conductivity measured value.Multiple tip projections 210 and the collective effect of insertion tooth 120, bicyclic pound are buried
Become more quick rapid in earth, effectively improve the degree of accuracy of vertical hydraulic conductivity measured value.
As shown in figure 4, the side wall of inner ring 100 is vertically embedded with glass slit 170, glass slit 170 is provided with scale.If
Put with graduated glass slit 170, be easy to directly read the height or depth of the water in inner ring 100, simplify soil permeability
The measurement process of coefficient, height of water level directly can bring correlation formula into according to the data of reading.
As shown in figure 5, cross link 500 is provided with impact disc 510, impact disc 510 is embedded at the first bar and the
The infall of two bars.Set impact disc 510, when practical operation, can by outside machine tool apply active force in
Disc 510 is impacted, because impact disc 510 is located at the center of cross link 500, therefore applies active force in impact disc
510 ensure that bicyclic uniform insertion soil.Make it is bicyclic insertion soil be more prone to, also more easily operate, simplify test into
Journey.
As shown in figure 5, one end of inner ring 100 is welded with the first percussion disc 140 of four annular spreads, outer shroud 200
One end is also welded with the second of four annular spreads and taps disc 220, and four first tap disc 140 and four second percussion pads
Disk 220 is respectively positioned on one end away from insertion tooth 120；Two of which first taps disc 140 and two second tap the edge of disc 220
The diametric(al) of outer shroud 200 sets and connected by the first strut 150, and remaining two first tap disc 140 and two the
Two percussion discs 220 also set along the diametric(al) of outer shroud 200 and connected by the second strut 160.
Set first to tap disc 140 and second and tap disc 220 primarily to being easy to pound bicyclic in soil, plus
The process of fast ground quality detection.For this kind of structure, the outside active force that applies can be separately provided and obtain machine work, such as machinery is applied
Power instrument includes first backing plate corresponding with the first percussion disc 140, and taps the pad of disc 220 corresponding second with second
Plate, the first backing plate and the second backing plate include multiple, and it is corresponding that the positions of multiple first backing plates taps disc 140 with first respectively, many
The position of individual second backing plate is corresponding with the second percussion disc 220 respectively, passes through connection between multiple first backing plates and the second backing plate
Part is connected, when practical operation, by applying active force in connector, and then compresses the first backing plate and the second backing plate, so that
Realize that application while disc 140 and second taps disc 220 is tapped to first to be acted on, it is ensured that to bicyclic applied effect
Power is more uniform, it is ensured that bicyclic uniform insertion soil.
On the basis of above-described embodiment, then provide a kind of double-ring infiltration instrument of vaporization prevention, including vaporization prevention lid and bicyclic
Infiltration instrument, vaporization prevention lid is provided with articulated elements and shackle member, is hinged and passes through by articulated elements between vaporization prevention lid and outer shroud 200
Shackle member is detachably connected.Articulated elements and shackle member can use prior art.The double-ring infiltration instrument of the vaporization prevention can be outside
When boundary's environment temperature is higher, reduce the evaporation capacity of the moisture in inner ring 100 by vaporization prevention lid, it is ensured that the water in inner ring 100
The correct measurement value of position height, and then ensure the degree of accuracy of soil permeability coefficient measured value.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of double-ring infiltration instrument, it is characterised in that including inner ring and outer rings, the inner ring is arranged at the inner side of the outer shroud,
Connected between the madial wall of the lateral wall of the inner ring and the outer shroud by multiple connecting rods, the outer shroud and the inner ring
End with one end is arranged at intervals with one insertion tooth of formation between multiple otch, the two neighboring otch.
2. double-ring infiltration instrument according to claim 1, it is characterised in that be provided with and add between the inner ring and the outer shroud
Strong fixed pole, one end of the reinforcement fix bar is connected with the lateral wall of the inner ring, and the other end for strengthening fix bar is passed through
The side wall for wearing the outer shroud reaches the outside of the outer shroud and in coniform.
3. double-ring infiltration instrument according to claim 1, it is characterised in that the lateral wall annular spread of the outer shroud has multiple
Tip is raised, and multiple tip projections are located at close to one end of the insertion tooth.
4. double-ring infiltration instrument according to claim 1, it is characterised in that double-ring infiltration instrument also includes cross link, institute
Stating cross link includes the first bar and the second bar arranged in a crossed manner, and the cross link is arranged at the inner ring and described outer
One end of ring and the remote insertion tooth.
5. double-ring infiltration instrument according to claim 4, it is characterised in that the cross link is provided with impact disc,
The impact disc is embedded at the infall of first bar and second bar.
6. double-ring infiltration instrument according to claim 4, it is characterised in that one end of the remote insertion tooth of the inner ring
It is provided with four first and is embedded breach, one end of the remote insertion tooth of the outer shroud is provided with four second and is embedded breach,
Described first, which is embedded breach and described second, is embedded breach and is horizontally arranged with support backing plate, the longitudinal direction of each support backing plate
Section is in half arc, and first bar and second bar are connected in the support backing plate respectively.
7. double-ring infiltration instrument according to claim 1, it is characterised in that one end of the inner ring is welded with four annulars point
The first of cloth taps disc, and one end of the outer shroud is also welded with the second of four annular spreads and taps disc, four described the
One percussion disc and four the second percussion discs are respectively positioned on one end away from the insertion tooth；First strikes described in two of which
Hit disc and two described second tap diametric(al) of the disc along the outer shroud and set and connected by the first strut, it is remaining
Two described first tap discs and two described second tap discs and also set and by the along the diametric(al) of the outer shroud
Two struts are connected.
8. double-ring infiltration instrument according to claim 1, it is characterised in that it is long that the side wall of the inner ring is vertically embedded with glass
Bar, the glass slit is provided with scale.
9. double-ring infiltration instrument according to claim 1, it is characterised in that the lateral wall of the outer shroud is symmetrically arranged with two
Handle.
10. a kind of double-ring infiltration instrument of vaporization prevention, it is characterised in that including any one in vaporization prevention lid and claim 1 to 9
Described double-ring infiltration instrument, the vaporization prevention lid is provided with articulated elements and shackle member, between the vaporization prevention lid and the outer shroud
It is hinged and is detachably connected by the shackle member by the articulated elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312028.XU CN206378395U (en) | 2016-12-01 | 2016-12-01 | The double-ring infiltration instrument of double-ring infiltration instrument and vaporization prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312028.XU CN206378395U (en) | 2016-12-01 | 2016-12-01 | The double-ring infiltration instrument of double-ring infiltration instrument and vaporization prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378395U true CN206378395U (en) | 2017-08-04 |
Family
ID=59406046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621312028.XU Expired - Fee Related CN206378395U (en) | 2016-12-01 | 2016-12-01 | The double-ring infiltration instrument of double-ring infiltration instrument and vaporization prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378395U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982322A (en) * | 2018-07-20 | 2018-12-11 | 天津绿茵景观生态建设股份有限公司 | A kind of soil infiltration capability measurement device |
| CN109444016A (en) * | 2018-11-05 | 2019-03-08 | 北京市水科学技术研究院 | A kind of Simple soil infiltration rate measurement device and measuring method |
| CN110702572A (en) * | 2019-09-29 | 2020-01-17 | 张雪玲 | Automatic water replenishing and measuring device for soil infiltration |
| CN112730189A (en) * | 2020-12-10 | 2021-04-30 | 湖南大学 | Sponge city facility water penetration and storage characteristic double-ring synchronous permeameter and detection method |
| CN114659938A (en) * | 2022-04-08 | 2022-06-24 | 四川农业大学 | Full-automatic measuring instrument for soil priority flow experiment |
| CN109444016B (en) * | 2018-11-05 | 2024-05-31 | 北京市水科学技术研究院 | Simple soil infiltration rate measuring device and measuring method |
-
2016
- 2016-12-01 CN CN201621312028.XU patent/CN206378395U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982322A (en) * | 2018-07-20 | 2018-12-11 | 天津绿茵景观生态建设股份有限公司 | A kind of soil infiltration capability measurement device |
| CN109444016A (en) * | 2018-11-05 | 2019-03-08 | 北京市水科学技术研究院 | A kind of Simple soil infiltration rate measurement device and measuring method |
| CN109444016B (en) * | 2018-11-05 | 2024-05-31 | 北京市水科学技术研究院 | Simple soil infiltration rate measuring device and measuring method |
| CN110702572A (en) * | 2019-09-29 | 2020-01-17 | 张雪玲 | Automatic water replenishing and measuring device for soil infiltration |
| CN110702572B (en) * | 2019-09-29 | 2022-09-02 | 郑琼 | Automatic water replenishing and measuring device for soil infiltration |
| CN112730189A (en) * | 2020-12-10 | 2021-04-30 | 湖南大学 | Sponge city facility water penetration and storage characteristic double-ring synchronous permeameter and detection method |
| CN114659938A (en) * | 2022-04-08 | 2022-06-24 | 四川农业大学 | Full-automatic measuring instrument for soil priority flow experiment |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20171201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |