CN111735747A - Be used for soil moisture infiltration rate testing arrangement - Google Patents
Be used for soil moisture infiltration rate testing arrangement Download PDFInfo
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- CN111735747A CN111735747A CN202010608219.5A CN202010608219A CN111735747A CN 111735747 A CN111735747 A CN 111735747A CN 202010608219 A CN202010608219 A CN 202010608219A CN 111735747 A CN111735747 A CN 111735747A
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- 230000008595 infiltration Effects 0.000 title claims abstract description 74
- 238000001764 infiltration Methods 0.000 title claims abstract description 74
- 239000002689 soil Substances 0.000 title claims abstract description 67
- 238000012360 testing method Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 267
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 244000309464 bull Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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Abstract
The invention relates to the technical field of soil moisture testing, in particular to a device for testing the infiltration rate of soil moisture, which is hinged with a fixed plate through a supporting rod, is convenient for changing the supporting angle, can adjust the supporting condition according to different terrains, and effectively increases the supporting strength of a supporting mechanism by inserting an auxiliary supporting rod into the ground, effectively supports a first infiltration pipe and a second infiltration pipe, reduces the condition of artificial auxiliary supporting and reduces the workload of testing personnel; the water outlet pipe and the water seepage head are connected by the telescopic water pipe, the water seepage head is driven by the connecting rod to rotate, the water seepage test device can be effectively suitable for testing the soil with different gradients, the water seepage head is guaranteed to be vertically contacted with the surface of the tested soil, the stability of a seepage area is guaranteed, and the accuracy of test data is improved; the water passing mechanism is connected with the first water seepage pipe and the second water seepage pipe, so that the containing quantity of test water is increased, and the phenomenon of secondary water addition in the test process is effectively prevented from influencing the test steps of testers.
Description
Technical Field
The invention relates to the technical field of soil moisture testing, in particular to a device for testing the infiltration rate of soil moisture.
Background
The soil infiltration rate, also called soil infiltration rate or soil infiltration rate, refers to the amount of water infiltrated into the soil per unit area of the surface of the earth in unit time. The rate of infiltration is related to the process of infiltration. The infiltration rate of soil is very large in the initial stage, and the infiltration rate is called the initial infiltration rate, which is called the initial infiltration rate for short. And the infiltration rate is gradually reduced along with the continuation and the increase of rainfall, and a certain stable value is finally kept, wherein the value is called the final infiltration rate or the stable infiltration rate and can be used for representing the infiltration characteristic of the soil. This is because the large and small pores in the soil are filled with the continuous precipitation, and the water in the soil cannot flow rapidly. The soil infiltration is a dynamic process that rainfall, irrigation and other moisture enters soil through the mountain surface and is transferred and stored into soil water under the action of gravitational potential, matrix potential and the like, is an important link of a mutual conversion and consumption process of surface water and underground water, and is also an important factor influencing the production convergence of the slope.
The infiltration capacity of soil to water, abbreviated as infiltration capacity. The soil infiltration rate is a quantitative expression of the soil infiltration capacity, and it means the amount of water that passes through the soil per unit area per unit time while maintaining a water layer at atmospheric pressure on the soil surface.
The soil infiltration process determines the amount of precipitation or irrigation water that enters the soil. Not only the amount of water supplied to crops in the current season, but also the amount of deep water stored for use by crops after water supply or in the next year. Surface runoff is a direct cause of water and soil loss, so that human soil infiltration research has important significance for rainfall runoff regulation and control, water and soil conservation, water resource evaluation and management, farmland irrigation technical parameter determination and the like.
Current soil moisture infiltration rate testing arrangement when outdoor operations, is difficult for supporting steadily, can not effectively support according to being tested soil ground condition, needs artifical supplementary support, increases tester's work load to when being tested soil ground and having the certain slope, the test water head can not the vertical contact soil surface, and area of contact changes, influences the moisture infiltration volume, and then influences the accuracy of data.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a soil moisture infiltration rate testing device, which can effectively solve the problems that the prior art is difficult to support stably during outdoor operation, cannot effectively support according to the ground condition of the tested soil, needs artificial auxiliary support and increases the workload of testers, and also solves the problems that when the ground of the tested soil has a certain gradient, a testing water head cannot vertically contact the surface of the soil, the contact area is changed, the moisture infiltration rate is influenced, and the accuracy of data is further influenced.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a testing device for soil moisture infiltration rate comprises a first infiltration pipe and a second infiltration pipe; the right side of the first water seepage pipe is fixedly connected with a second water seepage pipe, the rear side of the lower end of the first water seepage pipe is provided with a water passing mechanism, the water passing mechanism is connected with the second water seepage pipe, the lower end of the second water seepage pipe is provided with a water seepage mechanism, the middle parts of the first water seepage pipe and the second water seepage pipe are provided with a supporting mechanism, and the left side of the first water seepage pipe and the second water seepage pipe are provided with a control box;
the water passing mechanism comprises a first water passing pipe, a second water passing pipe and a third water passing pipe, the lower end of the first water passing pipe is communicated with the first water passing pipe, the first water passing pipe is communicated with the second water passing pipe, the upper end of the second water passing pipe is communicated with the third water passing pipe, and the rear end of the third water passing pipe is communicated with the rear side of the upper end of the second water passing pipe.
Furthermore, a one-way valve is arranged on the first water through pipe, a booster pump is arranged on the second water through pipe, and the booster pump is arranged at the rear end of the first water seepage pipe through a support plate.
Furthermore, the water seepage mechanism comprises a water outlet pipe, a telescopic water pipe, a connecting pipe and a water seepage head, the lower end of the second water seepage pipe is communicated with the water outlet pipe, a water outlet valve is arranged on the water outlet pipe, the lower end of the water outlet pipe is connected with the connecting pipe, the lower end of the connecting pipe is connected with the telescopic water pipe, and the lower end of the telescopic water pipe is connected with the water seepage head.
Furthermore, the outside rigid coupling of infiltration flood peak lower extreme upper end has the connecting rod, the equal rigid coupling of connecting plate left and right ends has location branch, location branch lower extreme is sharp-pointed form.
Still further, supporting mechanism includes fixed block, bracing piece, backup pad and auxiliary stay pole, infiltration pipe and No. two infiltration pipe middle part rigid couplings have the fixed block, the right-hand member all articulates there is the bracing piece about the fixed block, the bracing piece lower extreme articulates there is the backup pad, the equal spiro union of backup pad front and back end has auxiliary stay pole.
Furthermore, the right-hand member all articulates there is articulated seat about the fixed block, the articulated groove has been seted up in the articulated seat outside, the rigid coupling has the hinge bar in the articulated groove, the bracing piece upper end inserts the articulated inslot to rotate with the hinge bar and be connected, backup pad upper end rigid coupling has the connecting seat, the spread groove has been seted up to the connecting seat upper end, the spread groove rigid coupling has the bull stick, the bracing piece lower extreme inserts in the spread groove to rotate with the bull stick and be connected.
Furthermore, a water level monitor is installed on the left side of the inside of the first water seepage pipe and the second water seepage pipe and is connected with a control box through a lead.
Furthermore, the upper ends of the first water seepage pipe and the second water seepage pipe are communicated with water inlet pipes, water inlet valves are arranged on the water inlet pipes, and the control box is in signal connection with the water inlet valves, the water passing mechanisms and the water seepage mechanisms.
In addition, the invention also discloses a using method of the soil moisture infiltration rate testing device, which comprises the following steps:
s1, moving a first water seepage pipe and a second water seepage pipe to positions to be tested, and cleaning the upper end face of a contact area of test soil and a water seepage head;
s2, supporting a first water seepage pipe and a second water seepage pipe by using a supporting mechanism, and enabling a water seepage head to be vertically connected with the surface of the test soil through a connecting rod and a positioning supporting rod;
s3, filling test water into the first water seepage pipe and the second water seepage pipe, and controlling a water outlet valve, a one-way valve and a booster pump to be opened by a control box to perform a penetration test;
and S4, the water level change conditions in the first water seepage pipe and the second water seepage pipe are transmitted to the control box through the water level monitor, and the tester reads data.
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. according to the invention, the supporting rod is hinged with the fixing plate, so that the supporting angle can be conveniently changed, the supporting stability is increased, the supporting condition can be adjusted according to different terrains, the supporting strength of the supporting mechanism is effectively increased by inserting the auxiliary supporting rod into the ground, the first water seepage pipe and the second water seepage pipe are effectively supported, the condition of manual auxiliary supporting is reduced, and the workload of a tester is reduced;
2. according to the invention, the water outlet pipe and the water seepage head are connected by adopting the telescopic water pipe, and the water seepage head is driven to move by the connecting rod, so that the water seepage head can rotate, and the device can be effectively suitable for testing the soil with different gradients, ensures that the water seepage head is vertically contacted with the surface of the tested soil, ensures the stability of the seepage area, and improves the accuracy of test data;
3. the water-permeable pipe is connected with the first water-permeable pipe and the second water-permeable pipe through the water-communicating mechanism, so that the holding capacity of test water is increased, and the phenomenon of secondary water addition in the test process is effectively prevented, and the test steps of a tester are influenced;
4. the invention controls the mechanisms to work cooperatively through the control box, and the water level monitor and the control box are matched to react the water seepage amount, so that the step of reading scales by testers is omitted, the accuracy of data is improved, and the effectiveness of a test result is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the supporting mechanism of the present invention;
FIG. 4 is a schematic diagram of the axial structure of the permeable water head of the present invention;
FIG. 5 is a schematic side view of the shaft of the water passage mechanism of the present invention;
the reference numerals in the drawings denote: 1-first water seepage pipe, 2-second water seepage pipe, 3-water flowing mechanism, 301-first water flowing pipe, 302-second water flowing pipe, 303-third water flowing pipe, 304-one-way valve, 305-booster pump, 4-water flowing mechanism, 401-water outlet pipe, 402-telescopic water pipe, 403-connecting pipe, 404-water seepage head, 405-connecting rod, 406-positioning supporting rod, 407-water outlet valve, 5-supporting mechanism, 501-fixing block, 502-supporting rod, 503-supporting plate, 504-auxiliary supporting rod, 505-hinged seat, 506-connecting seat, 507-hinged groove, 508-connecting groove, 6-control box, 7-water level monitor, 8-water inlet pipe and 801-water inlet valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Referring to fig. 1 to 5, the device for testing infiltration rate of soil moisture of this embodiment includes a infiltration pipe 1 and No. two infiltration pipes 2, and specifically, water level monitor 7 is all installed on the inside left side of a infiltration pipe 1 and No. two infiltration pipes 2. The upper ends of the first water seepage pipe 1 and the second water seepage pipe 2 are communicated with a water inlet pipe 8, and the water inlet pipe 801 is arranged on the water inlet pipe 8. No. 1 right side rigid coupling of infiltration pipe has No. two infiltration pipe 2, and 1 lower extreme rear side of an infiltration pipe is provided with water mechanism 3, and water mechanism 3 is connected with No. two infiltration pipe 2, and No. two infiltration pipe 2 lower extremes are provided with infiltration mechanism 4, and No. 1 infiltration pipe and No. two infiltration pipe 2 middle parts are provided with supporting mechanism 5, and the left side is provided with control box 6. Specifically, the water level monitor 7 is in signal connection with the control box 6 through a lead. The control box 6 is connected with the water inlet valve, the water feeding mechanism 3 and the water seepage mechanism 7 in a signal way.
Specifically, referring to fig. 2 and 5, the water passing mechanism 3 includes a first water passing pipe 301, a second water passing pipe 302 and a third water passing pipe 303, the first water passing pipe 301 is connected to the lower end of the first water passing pipe 1, the first water passing pipe 301 is connected to the second water passing pipe 302, the third water passing pipe 303 is connected to the upper end of the second water passing pipe 302, and the rear end of the third water passing pipe 303 is connected to the rear side of the upper end of the second water passing pipe 304. A check valve 304 is arranged on the first water pipe 301, a booster pump 305 is arranged on the second water pipe 302, and the booster pump 305 is arranged at the rear end of the first water seepage pipe 1 through a support plate.
Specifically, referring to fig. 1, 2 and 4, the water seepage mechanism 4 includes a water outlet pipe 401, a telescopic water pipe 402, a connecting pipe 403 and a water seepage head 404, the water outlet pipe 401 is connected to the lower end of the second water seepage pipe 2, a water outlet valve 407 is arranged on the water outlet pipe 401, the connecting pipe 403 is connected to the lower end of the water outlet pipe 401, the telescopic water pipe 402 is connected to the lower end of the connecting pipe 403, and the water seepage head 404 is connected to the lower end of the telescopic water pipe. The outer side of the upper end of the lower end of the water seepage head 404 is fixedly connected with a connecting rod 405, the left end and the right end of the connecting rod 405 are fixedly connected with positioning support rods 406, and the lower ends of the positioning support rods 406 are sharp.
Specifically, referring to fig. 1 to 3, the supporting mechanism 5 includes a fixing block 501, a supporting rod 502, a supporting plate 503 and an auxiliary supporting rod 504, the fixing block 501 is fixedly connected to the middle portions of the first water seepage pipe 1 and the second water seepage pipe 2, the supporting rod 502 is hinged to the left end and the right end of the fixing block 501, the supporting plate 503 is hinged to the lower end of the supporting rod 502, and the auxiliary supporting rod 504 is screwed to the front end and the rear end of the supporting plate 503. All articulated seat 505 that has of fixed block 501 left and right ends, articulated groove 507 has been seted up in the articulated seat 505 outside, the rigid coupling has the hinge bar in the articulated groove 507, bracing piece 502 upper end inserts in the articulated groove 507 to rotate with the hinge bar and be connected, backup pad 503 upper end rigid coupling has connecting seat 506, connecting groove 508 has been seted up to the connecting seat upper end, the connecting groove 508 rigid coupling has the bull stick, bracing piece 502 lower extreme inserts in the connecting groove 508, and rotate with the bull stick and be connected.
Referring to fig. 1 to 5, the invention also discloses a use method of the soil moisture infiltration rate testing device, which comprises the following steps:
s1, moving a first water seepage pipe 1 and a second water seepage pipe 2 to positions to be tested, and cleaning the upper end face of a contact area of test soil and a water seepage head 404;
the specific method comprises the following steps: and cleaning fallen leaves, dead wood, weeds and other impurities on the surface of the tested soil to expose the surface of the soil, so as to prevent the impurities from influencing the water seepage rate and further influencing the test result.
S2, supporting a first water seepage pipe 1 and a second water seepage pipe 2 by using a supporting mechanism 5, and enabling a water seepage head 404 to be vertically connected with the surface of the test soil through a connecting rod 405 and a positioning support rod 406;
the specific method comprises the following steps: erecting the first water seepage pipe 1 and the second water seepage pipe 2, rotating the support rod 502 outwards to drive the support plate 503 to move outwards, stopping after rotating to a proper angle, enabling the lower end of the auxiliary support rod 504 to be in contact with the ground, rotating the auxiliary support rod 504 to enable the lower end of the auxiliary support rod 504 to be screwed into the ground, and stably supporting the first water seepage pipe 1 and the second water seepage pipe 2;
the water seepage head 404 is driven to move through the connecting rod 405, the lower end face of the water seepage head 404 is rotated to face to be perpendicular to the ground of the soil to be detected, the positioning support rod 406 is pressed to enable the lower end of the positioning support rod 406 to be inserted into the ground, the telescopic water pipe 402 is extended, and the water seepage head 404 is vertically fixed on the ground.
S3, filling test water into the first water seepage pipe 1 and the second water seepage pipe 2, and controlling the water outlet valve 407, the one-way valve 304 and the booster pump 305 to be opened by the control box 6 to perform a penetration test;
the specific method comprises the following steps: the water inlet valve 801 is opened, the inside of the first water seepage pipe 1 and the inside of the second water seepage pipe 2 are filled with test water through the water inlet pipe 8, and the control box 6 opens the water outlet valve 407, so that the test water in the second water seepage pipe 2 permeates into the ground through the water outlet pipe 401, the telescopic water pipe 402 and the water seepage head 404; the control box 6 opens the check valve 304, starts the booster pump 305, when the test water in the second water seepage pipe 2 is continuously reduced, the test water in the first water seepage pipe 1 is continuously introduced into the second water seepage pipe 2 through the first water seepage pipe 401, the second water seepage pipe 402 and the third water seepage pipe 403, so that the water shortage phenomenon of the second water seepage pipe 2 is prevented, the booster pump 405 boosts the water outlet pressure of the second water seepage pipe 2, and the permeation efficiency is improved.
S4, the water level change conditions in the first water seepage pipe 1 and the second water seepage pipe 2 are transmitted to the control box 6 through the water level monitor 7, and a tester reads data.
The specific method comprises the following steps: the water level monitor 7 detects the change of the water level inside the first water seepage pipe 1 and the second water seepage pipe 2, transmits signals to the control box 6, displays the water seepage amount by the control box 6, records the water seepage amount of each time period by a tester, and calculates and analyzes the data.
It should be noted that the electrical devices used in the whole device are all common devices, which belong to the existing mature technology, and the control circuit can be realized by simple programming by those skilled in the art, which belong to the common knowledge in the field, and only be used without improvement, and the present invention is mainly used to protect the mechanical device, so the present invention does not explain the control mode and the circuit connection in detail.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. A testing device for soil moisture infiltration rate comprises a first infiltration pipe (1) and a second infiltration pipe (2); the water seepage device is characterized in that a second water seepage pipe (2) is fixedly connected to the right side of the first water seepage pipe (1), a water passing mechanism (3) is arranged on the rear side of the lower end of the first water seepage pipe (1), the water passing mechanism (3) is connected with the second water seepage pipe (2), a water seepage mechanism (4) is arranged at the lower end of the second water seepage pipe (2), a supporting mechanism (5) is arranged in the middle of the first water seepage pipe (1) and the second water seepage pipe (2), and a control box (6) is arranged on the left side;
the water passing mechanism (3) comprises a first water passing pipe (301), a second water passing pipe (302) and a third water passing pipe (303), the lower end of the first water permeating pipe (1) is communicated with the first water passing pipe (301), the first water passing pipe (301) is communicated with the second water passing pipe (302), the upper end of the second water passing pipe (302) is communicated with the third water passing pipe (303), and the rear end of the third water passing pipe (303) is communicated with the rear side of the upper end of the second water permeating pipe (304).
2. The soil moisture infiltration rate testing device for the soil moisture is characterized in that a check valve (304) is arranged on the first water through pipe (301), a booster pump (305) is arranged on the second water through pipe (302), and the booster pump (305) is installed at the rear end of the first water through pipe (1) through a support plate.
3. The soil moisture infiltration rate testing device according to claim 1, wherein the infiltration mechanism (4) comprises an outlet pipe (401), a telescopic water pipe (402), a connecting pipe (403) and an infiltration water head (404), the lower end of the second infiltration pipe (2) is communicated with the outlet pipe (401), the outlet pipe (401) is provided with an outlet valve (407), the lower end of the outlet pipe (401) is connected with the connecting pipe (403), the lower end of the connecting pipe (403) is connected with the telescopic water pipe (402), and the lower end of the telescopic water pipe (402) is connected with the infiltration water head (404).
4. The soil moisture infiltration rate testing device for the soil moisture of claim 3, wherein the outer side of the upper end of the lower end of the water infiltration water head (404) is fixedly connected with a connecting rod (405), the left end and the right end of the connecting rod (405) are fixedly connected with positioning support rods (406), and the lower ends of the positioning support rods (406) are sharp.
5. The soil moisture infiltration rate testing device for the soil moisture in accordance with claim 1, wherein the supporting mechanism (5) comprises a fixing block (501), a supporting rod (502), a supporting plate (503) and an auxiliary supporting rod (504), the fixing block (501) is fixedly connected to the middle portions of the first infiltration pipe (1) and the second infiltration pipe (2), the supporting rod (502) is hinged to the left end and the right end of the fixing block (501), the supporting plate (503) is hinged to the lower end of the supporting rod (502), and the auxiliary supporting rod (504) is screwed to the front end and the rear end of the supporting plate (503).
6. The soil moisture infiltration rate testing device for the soil moisture of claim 5, wherein the left end and the right end of the fixing block (501) are hinged to hinged seats (505), hinged grooves (507) are formed in the outer sides of the hinged seats (505), hinged rods are fixedly connected in the hinged grooves (507), the upper ends of the supporting rods (502) are inserted into the hinged grooves (507) and are rotatably connected with the hinged rods, connecting seats (506) are fixedly connected to the upper ends of the supporting plates (503), connecting grooves (508) are formed in the upper ends of the connecting seats, rotating rods are fixedly connected to the connecting grooves (508), and the lower ends of the supporting rods (502) are inserted into the connecting grooves (508) and are rotatably connected with the rotating rods.
7. The soil moisture infiltration rate testing device for the soil moisture in accordance with claim 1, wherein a water level monitor (7) is installed on the left side inside each of the first infiltration pipe (1) and the second infiltration pipe (2), and the water level monitor (7) is in signal connection with the control box (6) through a lead.
8. The soil moisture infiltration rate testing device for the soil moisture in accordance with claim 1, wherein the upper ends of the first infiltration pipe (1) and the second infiltration pipe (2) are communicated with a water inlet pipe (8), the water inlet pipe (8) is provided with a water inlet valve (801), and the control box (6) is in signal connection with the water inlet valve, the water passing mechanism (3) and the water infiltration mechanism (7).
9. The use method of the device for testing the infiltration rate of the soil moisture is characterized by comprising the following steps:
s1, moving a first water seepage pipe (1) and a second water seepage pipe (2) to positions to be tested, and cleaning the upper end face of a contact area of test soil and a water seepage head (404);
s2, supporting a first water seepage pipe (1) and a second water seepage pipe (2) by using a supporting mechanism (5), and enabling a water seepage head (404) to be vertically connected with the surface of the tested soil through a connecting rod (405) and a positioning support rod (406);
s3, filling test water into the first water seepage pipe (1) and the second water seepage pipe (2), and controlling a water outlet valve (407), a one-way valve (304) and a booster pump (305) to be opened by a control box (6) to perform a penetration test;
and S4, the water level change conditions in the first water seepage pipe (1) and the second water seepage pipe (2) are transmitted to a control box (6) through a water level monitor (7), and a tester reads data.
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| CN202010608219.5A CN111735747A (en) | 2020-06-29 | 2020-06-29 | Be used for soil moisture infiltration rate testing arrangement |
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| CN202010608219.5A CN111735747A (en) | 2020-06-29 | 2020-06-29 | Be used for soil moisture infiltration rate testing arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324068A (en) * | 2022-01-13 | 2022-04-12 | 水利部交通运输部国家能源局南京水利科学研究院 | Automatic change soil dyeing spike experimental apparatus |
| CN117169089A (en) * | 2023-11-03 | 2023-12-05 | 东北农业大学 | Tension infiltration instrument for detecting soil permeability |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201464336U (en) * | 2009-06-26 | 2010-05-12 | 中国科学院遗传与发育生物学研究所 | Portable soil constant pressure permeameter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114324068A (en) * | 2022-01-13 | 2022-04-12 | 水利部交通运输部国家能源局南京水利科学研究院 | Automatic change soil dyeing spike experimental apparatus |
| CN117169089A (en) * | 2023-11-03 | 2023-12-05 | 东北农业大学 | Tension infiltration instrument for detecting soil permeability |
| CN117169089B (en) * | 2023-11-03 | 2024-01-26 | 东北农业大学 | Tension infiltration instrument for detecting soil permeability |
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