CN219015710U - Groundwater surveys device based on static sounding technique - Google Patents
Groundwater surveys device based on static sounding technique Download PDFInfo
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- CN219015710U CN219015710U CN202220975660.1U CN202220975660U CN219015710U CN 219015710 U CN219015710 U CN 219015710U CN 202220975660 U CN202220975660 U CN 202220975660U CN 219015710 U CN219015710 U CN 219015710U
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- outer sleeve
- force transmission
- transmission column
- water
- friction cylinder
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- 230000003068 static effect Effects 0.000 title claims abstract description 21
- 239000003673 groundwater Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 239000004575 stone Substances 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000000523 sample Substances 0.000 description 7
- 230000035515 penetration Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000011835 investigation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a groundwater survey device based on a static sounding technology, which comprises a cone head and a friction cylinder, wherein the cone head is connected to the lower end of the friction cylinder, a force transmission column is arranged in the friction cylinder, a pressure sensing beam is arranged in the force transmission column, a strain gauge is arranged on the pressure sensing beam, and the lower end of the force transmission column is connected with the friction cylinder; the upper end of the force transmission column is connected with a second outer sleeve, an electromagnetic valve is arranged in the second outer sleeve, and a second permeable stone is arranged at the water inlet of the electromagnetic valve; the upper end of the second outer sleeve is connected with a first outer sleeve, and the upper end of the first outer sleeve is provided with a hole for the cable to pass through; the first outer sleeve and the second outer sleeve are internally provided with water sampling containers, the upper half part of each water sampling container is positioned in the first outer sleeve, and the lower half part of each water sampling container is positioned in the second outer sleeve and communicated with the water outlet of the electromagnetic valve; the electromagnetic valve is connected with a cable and led out from the hole of the first outer sleeve. The pressure sensing beam is detachably connected with the force transmission column. The utility model improves the efficiency and the speed of groundwater detection.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering investigation, and particularly relates to a groundwater investigation device.
Background
The static sounding technology is to press a sounding rod with a touch probe into a test soil layer by using a pressure device, and to test cone tip resistance, side wall friction resistance and the like of the soil by using a measuring system, so that certain basic physical and mechanical properties of the soil, such as deformation film quantity of the soil, allowable bearing capacity of the soil and the like, can be determined.
The aquifer and groundwater problems are particularly important in geotechnical engineering surveys, where the underground project involves aquifers, it is necessary to define the type of aquifer and determine the hydrogeological parameters. In the prior art, in order to obtain the parameter in engineering, a hydrological observation hole is required to be arranged independently or a traditional pore-pressure static cone penetration test probe is required to be used, but the drilling measurement process is complex, long in time consumption and high in cost, and the traditional pore-pressure static cone penetration test probe is high in cost and is not commonly used.
At present, most underground water sampling methods are used for sampling a monitoring well, but the method needs a large number of holes to be drilled, has high cost, is easy to disturb a water body, increases turbidity of the water sample, and causes inaccurate water quality detection results.
Disclosure of Invention
The utility model aims to provide a ground water surveying device based on a static sounding technology, which aims to solve the problem that a ground water sampling method in the prior art is complex.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the underground water surveying device based on the static cone penetration technique comprises a cone head and a friction cylinder, wherein the cone head is connected to the lower end of the friction cylinder, a force transmission column is arranged in the friction cylinder, a cavity is formed in the force transmission column, a pressure sensing beam is arranged in the cavity, the upper end and the lower end of the pressure sensing beam are respectively connected with the upper end and the lower end of the force transmission column, strain gauges are arranged on the pressure sensing beam, and the lower end of the force transmission column is connected with the friction cylinder; the upper end of the force transmission column is connected with a second outer sleeve, an electromagnetic valve is arranged in the second outer sleeve, the electromagnetic valve is provided with a water inlet and a water outlet, and a second permeable stone is arranged at the water inlet; the upper end of the second outer sleeve is connected with a first outer sleeve, and the upper end of the first outer sleeve is provided with a hole for the cable to pass through; the first outer sleeve and the second outer sleeve are internally provided with water sampling containers, the upper half part of each water sampling container is positioned in the first outer sleeve, and the lower half part of each water sampling container is positioned in the second outer sleeve and communicated with the water outlet of the electromagnetic valve; the electromagnetic valve is connected with a cable and led out from the hole of the first outer sleeve.
The pressure sensing beam is detachably connected with the force transmission column.
Still be provided with hole pressure sensor in the second outer sleeve, hole pressure sensor is located the solenoid valve below, and hole pressure sensor's water inlet is provided with first permeable stone, and the solenoid valve is connected with another route cable.
The cone head is connected with the friction cylinder through a first thread, a second bulge with external threads is arranged at the top of the cone head, a threaded hole is formed in the bottom of the force transmission column, and the cone head is connected with the threaded hole of the force transmission column through the external threads of the second bulge.
The top of the force transmission column is provided with a threaded hole, the bottom of the second outer sleeve is provided with a first bulge, the first bulge is provided with external threads, and the second outer sleeve is connected with the threaded hole at the top of the force transmission column through threads.
The water sampling container is a disposable water sampling bag.
A first water-stop rubber ring is arranged between the lower part of the friction cylinder and the force transmission column, and a second water-stop rubber ring is arranged between the upper part of the friction cylinder and the force transmission column.
A third water stop rubber ring is arranged between the hole of the first outer sleeve and the cable.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages:
1. the utility model solves the defect that the existing single-bridge and double-bridge probes cannot take water samples in China, and samples underground water in the penetration process of the static cone penetration probe, so that the utility model can be used for detecting water quality, does not need to drill holes additionally, greatly saves cost, reduces workload and improves detection efficiency and speed.
2. The utility model can utilize the pore-pressure static sounding sensor to ascertain the water level and the water head height of the aquifer, and has simple operation and quick test.
3. The underground water surveying device based on the static sounding technology has the advantages of simple structure, small volume, convenient processing and convenient carrying.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a device for measuring groundwater based on static sounding technique according to the present utility model.
Detailed Description
The utility model is further explained below with reference to the drawings.
As shown in fig. 1, the utility model relates to a ground water surveying device based on static sounding technology, which comprises a cone head 1, a friction cylinder 2, a first outer sleeve 16, a second outer sleeve 20, a water sampling container 14 and a cable 15, wherein:
the cone head 1 is connected to the lower end of the friction cylinder 2;
a force transmission column 7 is arranged in the friction cylinder 2, a cavity is arranged in the force transmission column 7, a pressure sensing beam 3 is arranged in the cavity, the upper end and the lower end of the pressure sensing beam 3 are respectively and detachably connected with the upper end and the lower end of the force transmission column 7, a strain gage 4 is arranged on the pressure sensing beam 3, and the lower end of the force transmission column 7 is connected with the friction cylinder 2;
the second outer sleeve 20 is connected to the upper end of the force transmission column 7, a pore pressure sensor 9 and an electromagnetic valve 11 are arranged in the second outer sleeve 20 from bottom to top, a first permeable stone 10 is arranged at a water inlet of the pore pressure sensor 9, a water inlet 12 and a water outlet 13 are arranged at the electromagnetic valve 11, and a second permeable stone 17 is arranged at the water inlet 12;
the first outer sleeve 16 is connected to the upper end of the second outer sleeve 20, and a hole for the cable 15 to pass through is formed in the upper end of the first outer sleeve 16;
the upper half part of the water sampling container 14 is positioned in the first outer sleeve 16, and the lower half part is positioned in the second outer sleeve 20 and communicated with the water outlet 13 of the electromagnetic valve 11;
the cable 15 is connected with the hole pressure sensor 9 and the electromagnetic valve 11 respectively in two paths, and is led out from the hole of the first outer sleeve 16.
The conical head 1 is connected with the friction cylinder 2 through a first thread 6, a second bulge 18 with an external thread is arranged at the top of the conical head 1, a threaded hole is formed in the bottom of the force transmission column 7, and the conical head 1 is connected with the threaded hole of the force transmission column 7 through the external thread of the second bulge 18.
A threaded hole is formed in the top of the force transmission column 7, a first protrusion 8 is arranged at the bottom of the second outer sleeve 20, the first protrusion 8 is provided with external threads, and the second outer sleeve 20 is connected with the threaded hole in the top of the force transmission column 7 through threads.
The water sampling container 14 is a disposable water sampling bag, and after sampling, the disposable water sampling bag is taken out by unscrewing the first outer sleeve 16.
A first water-stop rubber ring 5 is arranged between the lower part of the friction cylinder 2 and the force transmission column 7, a second water-stop rubber ring 21 is arranged between the upper part of the friction cylinder 2 and the force transmission column 7, and a third water-stop rubber ring 22 is arranged between the hole of the first outer sleeve 16 and the cable 15.
The application method of the utility model is as follows:
step a, penetrating a groundwater survey device to a specified depth, and stopping the penetration;
step b, opening the electromagnetic valve 11 to enable underground water to enter from the water inlet 12 of the electromagnetic valve 11, then entering the water sampling container 14 from the water outlet 13 of the electromagnetic valve, and then closing the electromagnetic valve 11;
step c, in the water taking process of the step b, pore water pressure is measured by using a pore pressure sensor 9;
step d, retrieving the ground surface by the groundwater survey device, detaching the first outer sleeve 16, taking out the water sampling container 14, and hermetically storing;
and e, repeating the steps to sample at another depth.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The utility model provides a groundwater surveys device based on static sounding technique which characterized in that: the friction device comprises a cone head (1) and a friction cylinder (2), wherein the cone head (1) is connected to the lower end of the friction cylinder (2), a force transmission column (7) is arranged in the friction cylinder (2), a cavity is formed in the force transmission column (7), a pressure sensing beam (3) is arranged in the cavity, the upper end and the lower end of the pressure sensing beam (3) are respectively connected with the upper end and the lower end of the force transmission column (7), strain gauges (4) are arranged on the pressure sensing beam (3), and the lower end of the force transmission column (7) is connected with the friction cylinder (2); the upper end of the force transmission column (7) is connected with a second outer sleeve (20), an electromagnetic valve (11) is arranged in the second outer sleeve (20), the electromagnetic valve (11) is provided with a water inlet (12) and a water outlet (13), and a second permeable stone (17) is arranged at the water inlet (12); the upper end of the second outer sleeve (20) is connected with a first outer sleeve (16), and the upper end of the first outer sleeve (16) is provided with a hole for the cable (15) to pass through; the first outer sleeve (16) and the second outer sleeve (20) are internally provided with a water sampling container (14), the upper half part of the water sampling container (14) is positioned in the first outer sleeve (16), and the lower half part of the water sampling container is positioned in the second outer sleeve (20) and is communicated with the water outlet (13) of the electromagnetic valve (11); the electromagnetic valve (11) is connected with a cable (15) and is led out from the hole of the first outer sleeve (16).
2. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: the pressure sensing beam (3) is detachably connected with the force transmission column (7).
3. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: still be provided with hole pressure sensor (9) in the second outer sleeve, hole pressure sensor (9) are located solenoid valve (11) below, and the water inlet of hole pressure sensor (9) is provided with first permeable stone (10), and solenoid valve (11) are connected with another cable (15).
4. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: the cone head (1) is connected with the friction cylinder (2) through a first thread (6), a second bulge (18) with external threads is arranged at the top of the cone head (1), a threaded hole is formed in the bottom of the force transmission column (7), and the cone head (1) is connected with the threaded hole of the force transmission column (7) through the external threads of the second bulge (18).
5. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: a threaded hole is formed in the top of the force transmission column (7), a first bulge (8) is arranged at the bottom of the second outer sleeve (20), the first bulge (8) is provided with external threads, and the second outer sleeve (20) is connected with the threaded hole in the top of the force transmission column (7) through threads.
6. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: the water sampling container (14) is a disposable water sampling bag.
7. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: a first water-stop rubber ring (5) is arranged between the lower part of the friction cylinder (2) and the force transmission column (7), and a second water-stop rubber ring (21) is arranged between the upper part of the friction cylinder (2) and the force transmission column (7).
8. The apparatus for groundwater survey based on static sounding technology according to claim 1, wherein: a third water-stop rubber ring (22) is arranged between the hole of the first outer sleeve (16) and the cable (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220975660.1U CN219015710U (en) | 2022-04-25 | 2022-04-25 | Groundwater surveys device based on static sounding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220975660.1U CN219015710U (en) | 2022-04-25 | 2022-04-25 | Groundwater surveys device based on static sounding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219015710U true CN219015710U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220975660.1U Active CN219015710U (en) | 2022-04-25 | 2022-04-25 | Groundwater surveys device based on static sounding technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219015710U (en) |
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2022
- 2022-04-25 CN CN202220975660.1U patent/CN219015710U/en active Active
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