CN209624307U - A kind of engineering geological investigation device - Google Patents
A kind of engineering geological investigation device Download PDFInfo
- Publication number
- CN209624307U CN209624307U CN201822002546.7U CN201822002546U CN209624307U CN 209624307 U CN209624307 U CN 209624307U CN 201822002546 U CN201822002546 U CN 201822002546U CN 209624307 U CN209624307 U CN 209624307U
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- shell
- end cover
- engineering geological
- mark post
- investigation device
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Abstract
The utility model provides a kind of engineering geological investigation device, shell including tubular, the threaded one end of shell is connected with hollow end cap, and multiple limbers are offered in end cap, for circulation of supplying water, the first probe or the second probe are provided in shell, two pillows can be used for different situations switching, to solve the difficulty of the prior art, be made in hydrogeological investigation, ground soil permeability can accurately be understood, provide foundation for engineering investigation design.Belong to engineering geology technical field.
Description
Technical field
The utility model relates to a kind of engineering geological investigation devices, belong to engineering geology technical field.
Background technique
In the Hydrogeologic Survey of all kinds of engineerings, the Penetration Signature of foundation soil is the emphasis of survey, and design
With the component part of key parameter in construction.The conventional field test for determining infiltration coefficient mainly have bailing test, water injection test,
Water lifting test etc., these method major defects are that the test period is long, and labor intensive and material resources are more, by field work conditionality
Greatly.
A kind of stratum osmotic coefficient is disclosed in notification number CN107153038A, the patent of the day for announcing 20170912 quickly to survey
Fixed probe and its application method, probe are equipped with resistance-type hydraulic pressure sensor and including analog to digital conversion circuits and circuit for signal conditioning structure
At circuit board, output signal is connected to portable computer by communication cable and USB plug.The resistance-type hydraulic pressure of probe passes
Sensor enters slug test by calibration, in test probe be placed in the water range of disturbance under water barrel or under water filling water pump it
Outside.
Probe in above-mentioned patent is greatly improved water lifting test efficiency and precision, has application in engineering geological investigation
Extensively, can industrialization prospect.But this probe can only be tested in saturated aqueous layer, the soil layer if necessary to detection contains
Water shortage after inserting a probe into soil layer, cannot make hydraulic pressure sensor show that the reality of soil layer can be aqueous into the water in probe
Amount, has that the scope of application is small.
Summary of the invention
The purpose of this utility model is that: provide a kind of engineering geological investigation device is made with solving the difficulty of the prior art
In hydrogeological investigation, ground soil permeability can be accurately understood, provide foundation for engineering investigation design.
To solve the above problems, such a engineering geological investigation device of proposed adoption, the shell including tubular, the one of shell
End is threaded with hollow end cap, and multiple limbers are offered in end cap, for circulation of supplying water, is provided with the first spy in shell
Head or the second probe；
First probe includes hydraulic pressure sensor, support rod and first end cover, and first end cover is covered on the shell
The other end, one end of support rod pass through the through-hole opened up in first end cover and extend in shell, and hydraulic pressure sensor is fixed on described
On one end of support rod, and sealed between support rod and the inner wall of shell by gasket, one end of hydraulic pressure sensor and cable
It is connected, threading hole of the other end through opening up in first end cover of cable extends to the outside of shell, and is arranged on the other end of cable
There is connectivity port；
Second probe includes floating ball, mark post and second end cover, and second end cover is covered on the other end of the shell, marks
Mark post through-hole of the one end of bar through opening up in second end cover extends in end cap, and floating ball is fixed on one end of the mark post, described
Water injection hole is also provided in second end cover.
In aforementioned engineering geological investigation device, the hydraulic pressure sensor is located in end cap, and one end of the support rod is arranged
There is gasket, and gasket pressure is set between support rod and the inner wall of shell, by the sealing point of the inner space of end cap and shell
Every；
In aforementioned engineering geological investigation device, the open at one end of the shell is set as taper type, the gasket be with
The taper type for closing shell end opening, after support rod is inserted into shell, the gasket outside hydraulic pressure sensor is bonded housing bottom, will
Shell and end cap completely cut off, and the water in end cap cannot be introduced into shell, further improve measurement accuracy；
In aforementioned engineering geological investigation device, is offered on the inside of the first end cover and set the first of shell end for card
Annular slot, the other end of the shell are arranged in first annular card slot, to realize the connection of first end cover and shell, are realized
Support rod and shell it is relatively fixed, position of the hydraulic pressure sensor in end cap is constant, improve measurement accuracy；
In aforementioned engineering geological investigation device, is offered on the inside of the second end cover and set the second of shell end for card
Annular slot, the other end of the shell are arranged in the second annular slot, to realize the connection of second end cover and shell；
It is arranged with the sliding sleeve for mark post fitting sliding in aforementioned engineering geological investigation device, outside the mark post, and sliding sleeve
The inside of second end cover is fixed in one end, and by using above-mentioned technical proposal, after shell is caught in the second card slot, sliding sleeve and shell are protected
Hold relatively fixed, mark post can only slide along sliding sleeve length direction, avoid mark post from shaking, cause staff that can not accurately hold mark
The position of bar；
In aforementioned engineering geological investigation device, graduation mark, staff are marked with along length direction on the mark post
The change in location that can see mark post in time according to graduation mark achieves the beneficial effect for improving measurement accuracy.
Compared with prior art, the advantages of the utility model has structure simple, is convenient for operation, can be realized to unsaturation
The detection in water-bearing layer, calculates infiltration coefficient, improves the scope of application of investigation arrangement, makes in hydrogeological investigation, can be accurate
Understand ground soil permeability, provides foundation for engineering investigation design.
Detailed description of the invention
Structural schematic diagram when Fig. 1 is the first probe of shell assembly described in the utility model；
Structural schematic diagram when Fig. 2 is the second probe of shell assembly described in the utility model.
Specific embodiment
It is practical to this below in conjunction with embodiment to keep the purpose of this utility model, technical solution and advantage clearer
Novel technical solution is clearly and completely described, it is clear that described embodiment is only that the utility model a part is implemented
Example, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, fall within the protection scope of the utility model.
Embodiment:
Referring to attached drawing 1 and Fig. 2, the present embodiment provides a kind of engineering geological investigation devices, the shell 1 including tubular, shell 1
Threaded one end be connected with hollow end cap 2, multiple limbers 21 are offered in end cap 2, are set for circulation of supplying water, in shell 1
It is equipped with the first probe 3 or the second probe 4；
First probe 3 includes hydraulic pressure sensor 31, support rod 32 and first end cover 35, and first end cover 35 is covered on the shell
The other end of body 1, one end of support rod 32 pass through the through-hole opened up in first end cover 35 and extend in shell 1, hydraulic pressure sensor
31 are fixed on one end of the support rod 32, and are sealed between support rod 32 and the inner wall of shell 1 by gasket 36, preferably
Ground, the hydraulic pressure sensor 31 are located in end cap 2, and one end of the support rod 32 is arranged with gasket 36, and gasket 36 is pressed
Between support rod 32 and the inner wall of shell 1, by the inner space sealed separation of end cap 2 and shell 1, the shell 1
Open at one end to be set as taper type, the gasket 36 is the cooperation open-ended taper type of shell 1, to guarantee sealing effect,
Hydraulic pressure sensor 31 is connected with one end of cable 33, and threading hole of the other end through opening up in first end cover 35 of cable 33 extends to shell
The outside of body 1, and connectivity port 34 is provided on the other end of cable 33；
Second probe 4 includes floating ball 42, mark post 43 and second end cover 45, and second end cover 45 is covered on the another of the shell 1
The mark post through-hole of the one end through opening up in second end cover 45 of one end, mark post 43 extends in end cap 2, and floating ball 42 is fixed on the mark post
On 43 one end, water injection hole 41 is also provided in the second end cover 45.
The inside of first end cover 35 offers the first annular card slot 37 that 1 end of shell is set for card, the shell 1 it is another
One end is arranged in first annular card slot 37, to realize the connection of first end cover 35 Yu shell 1；Also it opens the inside of second end cover 45
Equipped with the second annular slot 46 for setting 1 end of shell for card, the other end of the shell 1 is arranged in the second annular slot 46
It is interior, to realize the connection of second end cover 45 Yu shell 1, the sliding sleeve 44 for the fitting sliding of mark post 43 is arranged with outside mark post 43, and sliding
The inside of second end cover 45 is fixed in one end of set 44, is marked with graduation mark along length direction on the mark post 43.
The application method of above-mentioned engineering geological investigation device is as follows:
S1. it cuts the earth and samples at place to be detected, determine the water content of soil layer；
If S2-1. soil layer to be measured is saturated aqueous layer, the first probe 3 is inserted into shell 1 and is installed, by cable 33
Port 34 is connected with data processing equipment；
S3-1. shell 1 is inserted into soil and is reached designated position, the variation of hydraulic pressure is examined by hydraulic pressure sensor 31 in end cap 2
Data processing equipment is surveyed and is transmitted to, when stable water pressure, the as hydraulic pressure value of designated position is scaled the infiltration system of soil layer
Number；
If S2-2. soil moisture in layer to be measured is low, moisture content is lower than 20%, and the second probe 4 is inserted into shell 1 and is installed
It is good, so that the lower surface of floating ball 42 is contacted the inner sidewall of end cap 2, writes down the number that 43 high scale line of mark post is located at second end cover 45
Value；
S3-2. shell 1 is inserted into soil and is reached designated position, a certain amount of water is gradually injected in shell 1, simultaneously
Start timing；Since water is deposited in end cap 2, floating ball 42 will float, when the water in shell 1 and end cap 2 is along soil layer gap
After flowing away, floating ball 42 will be bonded 2 inner sidewall of end cap again, staff can be spent from the variation of 43 position of mark post when
Between, the infiltration coefficient of soil layer is calculated, realizes the detection to unsaturated water-bearing layer.
Above embodiments are only to illustrate rather than limit the technical solution of the utility model, although referring to above-described embodiment pair
The utility model is described in detail, it will be apparent to an ordinarily skilled person in the art that: still can to the utility model into
Row modification or equivalent replacement should all without departing from any modification or partial replacement of the spirit and scope of the utility model
Cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of engineering geological investigation device, it is characterised in that: the shell (1) including tubular, the threaded one end connection of shell (1)
Have hollow end cap (2), offered in end cap (2) multiple limbers (21), the first probe (3) or the are provided in shell (1)
Two probes (4)；
First probe (3) includes hydraulic pressure sensor (31), support rod (32) and first end cover (35), first end cover (35) lid
The other end set on the shell (1), one end of support rod (32) pass through the through-hole opened up on first end cover (35) and extend to shell
In body (1), hydraulic pressure sensor (31) is fixed on one end of the support rod (32), and support rod (32) and shell (1) is interior
It is sealed between wall by gasket (36), hydraulic pressure sensor (31) is connected with one end of cable (33), the other end of cable (33)
Threading hole through opening up on first end cover (35) extends to the outside of shell (1), and is provided with connection on the other end of cable (33)
Port (34)；
Second probe (4) includes floating ball (42), mark post (43) and second end cover (45), and second end cover (45) is covered on described
The other end of shell (1), mark post through-hole of the one end through opening up on second end cover (45) of mark post (43) extend in end cap (2), float
Ball (42) is fixed on one end of the mark post (43), is also provided with water injection hole (41) on the second end cover (45).
2. a kind of engineering geological investigation device according to claim 1, it is characterised in that: the hydraulic pressure sensor (31) is located at
In end cap (2), one end of the support rod (32) is arranged with gasket (36), and gasket (36) pressure be set to support rod (32) with
Between the inner wall of shell (1), by the inner space sealed separation of end cap (2) and shell (1).
3. a kind of engineering geological investigation device according to claim 2, it is characterised in that:
The open at one end of the shell (1) is set as taper type, and the gasket (36) is cooperation shell (1) open-ended cone
Platform shape.
4. a kind of engineering geological investigation device according to claim 1, it is characterised in that: the inside of the first end cover (35)
It offers for blocking the first annular card slot (37) for setting shell (1) end, the other end of the shell (1) is arranged in first annular
In card slot (37), to realize the connection of first end cover (35) Yu shell (1).
5. a kind of engineering geological investigation device according to claim 1, it is characterised in that: the inside of the second end cover (45)
It offers for blocking the second annular slot (46) for setting shell (1) end, the other end of the shell (1) is arranged in the second annular
In card slot (46), to realize the connection of second end cover (45) Yu shell (1).
6. a kind of engineering geological investigation device according to claim 1, it is characterised in that: be arranged with confession outside the mark post (43)
The sliding sleeve (44) of mark post (43) fitting sliding, and the inside of second end cover (45) is fixed in one end of sliding sleeve (44).
7. a kind of engineering geological investigation device according to claim 1, it is characterised in that: along from height on the mark post (43)
Degree direction is marked with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002546.7U CN209624307U (en) | 2018-11-30 | 2018-11-30 | A kind of engineering geological investigation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822002546.7U CN209624307U (en) | 2018-11-30 | 2018-11-30 | A kind of engineering geological investigation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624307U true CN209624307U (en) | 2019-11-12 |
Family
ID=68444776
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822002546.7U Active CN209624307U (en) | 2018-11-30 | 2018-11-30 | A kind of engineering geological investigation device |
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| CN (1) | CN209624307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406366A (en) * | 2018-11-30 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of engineering geological investigation device and its application method |
-
2018
- 2018-11-30 CN CN201822002546.7U patent/CN209624307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406366A (en) * | 2018-11-30 | 2019-03-01 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of engineering geological investigation device and its application method |
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