CN214584743U - Improved soil saturation hydraulic conductivity meter - Google Patents
Improved soil saturation hydraulic conductivity meter Download PDFInfo
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- CN214584743U CN214584743U CN202023045181.XU CN202023045181U CN214584743U CN 214584743 U CN214584743 U CN 214584743U CN 202023045181 U CN202023045181 U CN 202023045181U CN 214584743 U CN214584743 U CN 214584743U
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Abstract
The utility model relates to a modified soil saturation hydraulic conductivity appearance, include: a support plate I arranged horizontally; the two supporting plates II are vertically arranged at the tops of the supporting plates I; the water container is arranged between the upper parts of the two support plates II; the plurality of sample receivers comprise placing grooves which are uniformly distributed on the inner bottom surface of the water container, and pipelines communicated with the placing grooves are arranged at the bottoms of the placing grooves; the sampling cutting ring is detachably connected in the placing groove of the sample receiver through a sealing structure; one end of each latex tube is connected to the corresponding pipeline; the clamping structure is erected between two supporting plates II below the water container and used for controlling the on-off of liquid in the latex pipes simultaneously. The device avoids the reaction and operation time of experimenters, thereby reducing the error generated by the reaction and operation time of the experimenters and further ensuring the accuracy of the experimental result.
Description
Technical Field
The utility model relates to a soil saturation hydraulic conductivity test technical field, in particular to modified soil saturation hydraulic conductivity appearance.
Background
The saturated hydraulic conductivity of the soil refers to the water quantity passing through a unit area in unit time under a unit water potential gradient when the soil is saturated by water, the common Ks represents the unit of mm/h, m/d or cm/s and the like, the saturated hydraulic conductivity reflects the infiltration and seepage performance of the soil, is an important parameter for researching the soil water movement, and has important significance in the fields of calculating the water flux in a soil section and designing irrigation and drainage system engineering.
The method for determining the saturated hydraulic conductivity mainly comprises the following steps: laboratory measurement and field measurement are divided into a constant head method and a head precipitation method, and a double-ring method, a Guelph infiltration instrument method and a water pumping experiment method are commonly used for field measurement.
The DIK-4012 four-point soil permeability tester is used for measuring the saturated permeability coefficient of the soil which is not disturbed in the cutting ring, two measuring methods of a fixed water level and a variable water level can be selected by replacing a stopcock, the measuring range of the permeability coefficient is wide, and 10 can be measured-2～10-6cm/s and 4 soil samples of 100ml can be measured simultaneously.
This four point type soil water permeability apparatus, when the experiment begins or finishes, need the tester to open one by one or close 4 metering valves (can not open or close the metering valve simultaneously promptly), this process can produce the time difference, this time difference can cause experimental error, when experimental, still need another tester when the metering valve is opened or is closed, time according to the timer, tester's reaction time also can cause experimental error, these experimental errors can cause the calculation result of saturated hydraulic conductivity inaccurate, therefore, it is necessary to provide an improved soil saturated hydraulic conductivity apparatus for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a modified soil saturation hydraulic conductivity appearance solves the experimenter and needs reaction time and opens or close the time of metering valve one by one, and causes the problem of experimental error.
The technical scheme of the utility model is that: an improved soil saturation hydraulic conductivity meter comprising:
a support plate I arranged horizontally;
the two supporting plates II are vertically arranged at the tops of the supporting plates I;
the water container is arranged between the upper parts of the two support plates II;
the plurality of sample receivers comprise placing grooves which are uniformly distributed on the inner bottom surface of the water container, and pipelines communicated with the placing grooves are arranged at the bottoms of the placing grooves;
the sampling cutting ring is detachably connected in the placing groove of the sample receiver through a sealing structure;
the device is characterized in that one ends of a plurality of latex tubes are respectively connected to corresponding pipelines;
centre gripping structure erects between two backup pad II of flourishing water receptacle below for the break-make to the intraductal liquid of a plurality of latex simultaneously controls, includes:
the two clamping plates are used for clamping the latex tube and are arranged on the same horizontal plane, one clamping plate is fixed between the two support plates II, and the other clamping plate is connected between the two support plates II in a sliding mode through a guide structure;
the limiting structures are arranged on the two clamping plates and used for limiting the movement of the clamping plates provided with the guide structures; the device also comprises a timing structure for synchronously timing when the clamping structure clamps the latex tube; timing structure is including fixing the time-recorder on one of them grip block, the corresponding both sides of time-recorder all are provided with the button, it is fixed with the sheetmetal I that is used for touching the button on the grip block that sets up the time-recorder to deviate from, sheetmetal I is connected with sheetmetal II through the connecting plate, sheetmetal II sets up the grip block top that is provided with the time-recorder, and the time-recorder is located between sheetmetal I and the sheetmetal II, perhaps timing structure includes the time-recorder, be provided with a button on the time-recorder, the standing groove that the time-recorder was seted up at one of them grip block top is installed in, the button has seted up logical groove towards the standing groove inner wall of another grip block, it is provided with sheetmetal III to correspond logical groove on another grip block.
Preferably, a plurality of springs are uniformly distributed between the two clamping plates.
Preferably, one of the clamping plates is provided with a plurality of bulges, the other clamping plate is provided with a groove matched with the bulges, and the plurality of latex tubes are correspondingly arranged in the groove.
Preferably, limit structure is including bending the metal shrapnel that sets up, and the metal shrapnel back of the body is installed in the mounting groove of seting up on one of them grip block from the one end of bending the end, and metal shrapnel one end is connected with the connecting rod of vertical setting, and the top that the mounting groove was worn out to the connecting rod extends to the grip block top after be connected with presses the splenium, and the bending of metal shrapnel is served and is provided with spacing platform, corresponds on another grip block and has seted up the guiding hole, the guiding hole top seted up with spacing platform assorted spacing hole.
The utility model has the advantages that:
1. the utility model provides a pair of modified soil saturation hydraulic conductivity appearance can use on a large scale.
2. The utility model provides a pair of modified soil saturation hydraulic conductivity appearance, through a plurality of latex tubes and the sample cutting ring intercommunication that sets up, then clamping structure carries out the centre gripping to a plurality of latex tubes, and limit structure prescribes a limit to the clamping structure position to carry out the simultaneous control break-make to the flow of a plurality of latex tubes, time-wise error when reducing the experiment, thereby guarantee the accuracy of experimental result.
3. The utility model provides a pair of modified soil saturation hydraulic conductivity appearance through the timing structure, when controlling the logical closure of a plurality of emulsion tubes, can time simultaneously to the laboratory technician reaction time has been avoided, the accuracy of experimental result has further been guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the clamping structure of the present invention;
fig. 3 is a schematic diagram of a timing structure according to embodiment 6 of the present invention;
fig. 4 is a schematic diagram of a timing structure according to embodiment 7 of the present invention.
Detailed Description
An embodiment of the present invention will be described in detail with reference to fig. 1 to 4, but it should be understood that the scope of the present invention is not limited by the embodiment.
Example 1
As shown in fig. 1, the embodiment of the utility model provides an improved soil saturation hydraulic conductivity meter, include: a horizontally disposed support panel I1; two support plates II2 are vertically arranged at the top of the support plate I1, and a water container 5 is arranged between the upper parts of the two support plates II 2; a plurality of sample receivers 54, including placing grooves uniformly distributed on the inner bottom surface of the water container 5, wherein the bottom of the placing grooves is provided with pipelines communicated with the placing grooves; a sampling cutting ring 53 detachably connected to the placement groove of the sample receiver 54 through a sealing structure; and one ends of the latex tubes 4 are respectively connected to the corresponding pipelines.
Clamping structure 3 erects between two backup pad II2 of flourishing water container 5 below for control the break-make of the liquid in a plurality of emulsion tubes 4 simultaneously, include: the two clamping plates are used for clamping the latex tube 4 and are arranged on the same horizontal plane, one clamping plate is fixed between the two supporting plates II2, and the other clamping plate is connected between the two supporting plates II2 in a sliding mode through the guide structure 31; and the limiting structures 353 are arranged on the two clamping plates and used for limiting the movement of the clamping plate provided with the guide structure 31.
Example 2
On the basis of embodiment 1, the clamping plates provided with the guide structures 31 are reset, and a plurality of springs 33 are uniformly distributed between the two clamping plates.
Example 3
On the basis of embodiment 1, one of the clamping plates is provided with a plurality of protrusions 341, the other clamping plate is provided with a groove 321 matched with the protrusions 341, the plurality of latex tubes 4 are correspondingly arranged in the groove 321, and further, the latex tubes 4 are located at the center of the groove 321.
Example 4
On embodiment 1's basis, limit structure 353 is including the metal shrapnel 3532 of bending the setting, metal shrapnel 3532 is installed in the mounting groove 342 of seting up on one of them grip block away from the one end of bending the end, metal shrapnel 3532 one end is connected with the connecting rod of vertical setting, the connecting rod is worn out the top of mounting groove 342 and is connected with and presses splenium 3531 after extending to the grip block top, metal shrapnel 3532 bend serve be provided with spacing platform 3533, the guiding hole 322 has been seted up to corresponding on another grip block, guiding hole 322 top seted up with spacing platform 3533 assorted spacing hole 323.
Example 5
On the basis of embodiment 1, the device further comprises a timing structure for synchronous timing when the clamping structure 3 clamps the latex tube 4.
Example 6
On the basis of embodiment 5, as shown in fig. 3, the timing structure includes a timer 352 fixed on one of the clamping plates, buttons 3521 are provided on both sides of the timer 352, a metal sheet I351 for touching the button 3521 is fixed on the clamping plate away from the timer 352, the metal sheet I351 is connected with a metal sheet II through a connecting plate, the metal sheet II is disposed above the clamping plate provided with the timer 352, and the timer 352 is located between the metal sheet I351 and the metal sheet II.
Example 7
On the basis of embodiment 5, as shown in fig. 4, another structure of the timing structure includes a timer 352, the timer 352 is provided with a button 3521, the timer 352 is installed in a placing groove formed in the top of one of the clamping plates, a through groove is formed in an inner wall of the button 3521 facing the placing groove of the other clamping plate, and a metal sheet III is provided on the other clamping plate corresponding to the through groove.
Principle of operation
When the device is used, the use steps of the specific experimental device are as follows:
the first step ensures the integral level of the instrument, and the level regulator is adjusted to ensure the integral level of the instrument.
Secondly, checking the tightness of the device, respectively placing six beakers 6 below the latex tube 4, enabling the clamping structure to be in a clamping state, enabling the water outlet 51 to be in a closed state, enabling water to flow from the water inlet 55 to the upper part of the water head tube in a flush manner, and slightly enabling water to flow out, stopping water supply, and observing whether the water level is lowered or not and whether the device leaks water or not; if water leaks, the reason is searched and repaired, and if water does not leak, the third step is carried out.
The third step installation soaks saturated soil sample in advance, take off and soak saturated sample lid, take off filter paper, trade the net lid, wipe the sample cutting ring 53 periphery (prevent that soil from sneaking into between rubber circle and the cutting ring, cause and leak and measuring error), sheathe the in rubber circle, make the otter board card in rubber circle draw-in groove department, it is sealed with the one end that the cutting ring 53 of taking a sample is close to the otter board and the standing groove of sample receiver 54 through the rubber circle, be about to take a sample cutting ring 53 overcoat and establish the rubber circle, then install the cutting ring 53 of taking a sample in the standing groove. During installation, care is taken to avoid the formation of air columns between the rubber ring and the sample receiver 54, which leads to reduced water conductivity.
The fifth step is preparation detection: open water supply switch and water inlet switch, have rivers to flow in the water head pipe, open clamping structure again, separately through controlling two grip blocks of limit structure promptly, observe all samples and all have the rivers to flow back and make clamping structure press from both sides tightly, two grip blocks press from both sides tight latex tube 4 promptly, and sheetmetal I351 triggers the button on the time-recorder simultaneously, and the timing is clear.
And a sixth step of detection: set up digital display weighing device on the backup pad I1 of beaker bottom, open digital display and weigh earlier, the zero clearing, open limit structure again, make two grip blocks part, metal shrapnel II contacts with the button on the time-recorder simultaneously, the time-recorder begins to time first batch and detects the sample, when the outflow is 100 and gives other information 150g, control limit structure makes two grip blocks closed, and the button contact on sheetmetal I351 and the time-recorder 352, time-recorder 352 finishes timing, records beaker weight and weighs M, time t.
And seventh step, cleaning for standby: after the first batch of experiments is finished, the sample is taken out from the sampling cutting ring 53, the rubber ring, the screen plate and the screen disc with the plug are detached and cleaned for standby, and the second batch of experiments starts from the third step.
The eighth step calculates the test result according to the following formula (1):
in the formula: k-saturated hydraulic conductivity (cm/s)
M-weight of Water flowing into beaker (g) within time t
L-sample Length (cm)
rho-Density of Water (g/cm) at the temperature of the experiment3)
S-sampling cutting ring cross-sectional area (cm)2)
t-time(s) from clamping to separation of the two clamping plates
Delta H-head difference (cm)
In summary, the embodiment of the present invention provides an improved soil saturation hydraulic conductivity meter, which is characterized in that a plurality of latex tubes are connected to a sampling cutting ring through a clamping structure, and then the clamping structure clamps the latex tubes, and a limiting structure limits the position of the clamping structure, so as to control the flow of the latex tubes to be on-off simultaneously, thereby reducing the time error during the experiment and ensuring the accuracy of the experimental result; through the timing structure, when controlling the opening and closing of a plurality of latex tubes, timing can be carried out simultaneously, so that the reaction time of experimenters is avoided, and the accuracy of experiments is further ensured.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (4)
1. An improved soil saturation hydraulic conductivity meter comprising:
a support plate I (1) arranged horizontally;
the two supporting plates II (2) are vertically arranged at the top of the supporting plate I (1);
the water container (5) is arranged between the upper parts of the two support plates II (2);
the sample receivers (54) comprise placing grooves which are uniformly distributed on the inner bottom surface of the water container (5), and pipelines communicated with the placing grooves are arranged at the bottoms of the placing grooves;
the sampling cutting ring (53) is detachably connected in the placing groove of the sample receiver (54) through a sealing structure;
the device is characterized in that one ends of a plurality of latex tubes (4) are respectively connected to corresponding pipelines;
centre gripping structure (3), erect between two backup pad II (2) of flourishing water container (5) below for the break-make of the liquid in a plurality of emulsion tubes (4) is controlled simultaneously, include:
the two clamping plates are used for clamping the latex tube (4) and are arranged on the same horizontal plane, one clamping plate is fixed between the two supporting plates II (2), and the other clamping plate is connected between the two supporting plates II (2) in a sliding mode through a guide structure (31);
the limiting structures (353) are arranged on the two clamping plates and used for limiting the movement of the clamping plates provided with the guide structures (31);
the device also comprises a timing structure for synchronously timing when the clamping structure (3) clamps the latex tube (4); the timing structure comprises a timer (352) fixed on one of the clamping plates, buttons (3521) are arranged on two corresponding sides of the timer (352), a metal sheet I (351) used for touching the buttons (3521) is fixed on the clamping plate which is far away from the timer (352), the metal sheet I (351) is connected with a metal sheet II through a connecting plate, the metal sheet II is arranged above the clamping plate provided with the timer (352), and the timer (352) is located between the metal sheet I (351) and the metal sheet II, or the timing structure comprises a timer (352), a button (3521) is arranged on the timer (352), the timer (352) is arranged in a placing groove formed in the top of one of the clamping plates, the button (3521) is provided with a through groove towards the inner wall of the placing groove of the other clamping plate, and a metal sheet III is arranged on the other clamping plate corresponding to the through groove.
2. An improved soil saturation hydraulic conductivity meter as claimed in claim 1, wherein a plurality of springs (33) are uniformly disposed between said two clamping plates.
3. The improved soil saturation hydraulic conductivity meter according to claim 1, wherein a plurality of protrusions (341) are provided on one of the clamping plates, a groove (321) matched with the protrusions (341) is provided on the other clamping plate, and the plurality of latex tubes (4) are correspondingly provided in the groove (321).
4. The improved soil saturation hydraulic conductivity meter according to claim 1, wherein the limiting structure (353) comprises a bent metal elastic sheet (3532), one end of the metal elastic sheet (3532) back to the bent end is installed in an installation groove (342) formed in one of the clamping plates, one end of the metal elastic sheet (3532) is connected with a vertically arranged connecting rod, the top of the connecting rod penetrating out of the installation groove (342) extends to the upper portion of the clamping plate and then is connected with a pressing portion (3531), a limiting table (3533) is arranged on the bent end of the metal elastic sheet (3532), a guide hole (322) is correspondingly formed in the other clamping plate, and a limiting hole (323) matched with the limiting table (3533) is formed in the upper portion of the guide hole (322).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023045181.XU CN214584743U (en) | 2020-12-16 | 2020-12-16 | Improved soil saturation hydraulic conductivity meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023045181.XU CN214584743U (en) | 2020-12-16 | 2020-12-16 | Improved soil saturation hydraulic conductivity meter |
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| CN214584743U true CN214584743U (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504940A (en) * | 2020-12-16 | 2021-03-16 | 陕西地建土地工程技术研究院有限责任公司 | Improved soil saturation hydraulic conductivity meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504940A (en) * | 2020-12-16 | 2021-03-16 | 陕西地建土地工程技术研究院有限责任公司 | Improved soil saturation hydraulic conductivity meter |
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