CN209308003U - A kind of hole pressure touching methods probe that can be used in deep-sea - Google Patents
A kind of hole pressure touching methods probe that can be used in deep-sea Download PDFInfo
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- CN209308003U CN209308003U CN201821819937.1U CN201821819937U CN209308003U CN 209308003 U CN209308003 U CN 209308003U CN 201821819937 U CN201821819937 U CN 201821819937U CN 209308003 U CN209308003 U CN 209308003U
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- pressure
- hydraulic pressure
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- sea
- pressure chamber
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- 239000000523 sample Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011148 porous material Substances 0.000 claims abstract description 26
- 241001149930 Protura <class> Species 0.000 claims abstract description 13
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 102000010637 Aquaporins Human genes 0.000 claims 1
- 108010063290 Aquaporins Proteins 0.000 claims 1
- 230000002706 hydrostatic effect Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000011065 in-situ storage Methods 0.000 abstract description 7
- 239000013535 sea water Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of hole pressure touching methods probes that can be used in deep-sea, including conehead and pore water pressure force checking device, hydraulic pressure chamber is equipped in probe, permeable hole is provided on conehead, hydraulic pressure chamber is divided into preceding hydraulic pressure chamber and rear hydraulic pressure chamber by pore water pressure force checking device, preceding hydraulic pressure chamber is connected to by one first water-permeable passage with permeable hole, hydraulic pressure chamber is connected to by one second water-permeable passage with outside afterwards, and pore water pressure force checking device includes including primary diaphragm, secondary diaphragm, differential pressure measurement element and absolute pressure measuring cell.The hole pressure touching methods probe of the utility model complements each other by using differential pressure pick-up and absolute pressure sensor, i.e., differential pressure measurement element range is small but high resolution for measuring the difference of pore water pressure and hydrostatic pressure improves the precision problem of measurement.Absolute pressure measuring cell range is big but resolution ratio is small, for measuring hydrostatic pressure in seawater, facilitates realization calibrated in situ, has combined the requirement of measuring range and measurement accuracy.
Description
Technical field
The utility model belongs to deep water soil in-situ testing field, hole pressure touching methods under specially a kind of high confining pressure environment
Equipment.
Background technique
Pore water pressure static sounding is that one kind that later 1970s early eighties rise in the world is new
Type in-situ testing technique.The element for measuring pore water pressure in conjunction with standard static sounding probe, is allowed to measuring cone by it
Resistance while sidewall friction power, measures the excess pore water pressure of the soil generated in penetration process.Hole pressure touching methods are available
In dividing soil layer, Seines types are determined, find out that soft or hard interlayer and soil layer in uniformity both horizontally and vertically, evaluate foundation soil
Engineering characteristic.
Major part deep water original position pore pressure equipment need to face following potential problem at present: resolution ratio and the contradiction of range are (i.e.
Then resolution ratio is low greatly for range, and then range is small for high resolution, cannot be considered in terms of), precision is lower, is unable to calibrated in situ etc..Specifically such as
Shown in attached drawing 2, u is sensor for pore water pressure measured pressure value at depth h in sea bed, contains the quiet pore pressure u in deep-seahWith super pore pressure △ u.
Ocean geotechnical engineering, especially deep-sea geotechnical engineering, since the depth of water is big, quiet pore pressure uhGreatly, if this will lead to ordinary sensors
Meet range demand, resolution accuracy just not can guarantee.And when measuring static point resistance and sidewall friction power, if design
Improper, both power can influence each other, and lead to the inaccuracy of measurement.
Problem above will affect the accuracy of measurement data.Therefore it proposes more to stablize high-precision deep water pore pressure original position
Observation technology scheme is of great significance to Ocean Technology in China is improved.
Utility model content
The utility model aim is to provide a kind of wide range, high-precision and the hole pressure touching methods for being able to achieve calibrated in situ
Probe, to solve the above problems.
To achieve the above object, the utility model discloses a kind of hole pressure touching methods probe that can be used in deep-sea, packets
Conehead and pore water pressure force checking device are included, is equipped with hydraulic pressure chamber in the probe, on the conehead of described probe one end
It is provided with permeable hole, forms a sealed chamber between the primary diaphragm and secondary diaphragm, the sealed chamber is by the hydraulic pressure
Chamber is divided into preceding hydraulic pressure chamber and rear hydraulic pressure chamber, and the preceding hydraulic pressure chamber is connected to by one first water-permeable passage with the permeable hole, institute
The outside that rear hydraulic pressure chamber is connected to the probe other end by one second water-permeable passage is stated, the pore water pressure force checking device includes
Primary diaphragm, secondary diaphragm, differential pressure measurement element and absolute pressure measuring cell, the primary diaphragm are arranged by nearby hydraulic pressure chamber, institute
It states secondary diaphragm to be arranged close to rear hydraulic pressure chamber, the both ends of the differential pressure measurement element connect with primary diaphragm and secondary diaphragm respectively
It connects, the absolute pressure measuring cell is connect with the primary diaphragm.
Further, the input terminal of first water-permeable passage and the second water-permeable passage is provided with permeable filter.
Further, the primary diaphragm and secondary diaphragm pass through described in formed Nian Jie with the sealing of the cavity wall of the hydraulic pressure chamber
Sealed chamber.
Further, the primary diaphragm and secondary diaphragm are silicon diaphragm.
It further, further include a static point resistance detection device, the static point resistance detection device includes the first deformation column
With static point resistance sensor, the first deformation column is mounted on the conehead, and the static point resistance sensor is arranged described
On first deformation column.
Further, further include one side wall friction force checking device, the sidewall friction force checking device include friction cylinder,
Second deformation column and sidewall friction sensor, the second deformation column are socketed on the probe, and the friction cylinder is socketed in institute
It states on the second deformation column, the sidewall friction sensor setting is on the second deformation column.
Further, first annular groove, the sidewall friction sensor are provided on the outer wall of the second deformation column
The bottom surface of the first annular groove is set.
Further, a second annular groove is provided on the outer wall of the probe, the second deformation column sleeve connects setting
In the second annular groove.
Further, the first deformation column is socketed with close to the end of the second deformation column to the static point resistance sensor
The seal ring assembly of sealing.
Compared with the prior art, the advantages of the utility model are:
The hole pressure touching methods probe of the utility model complements each other by using differential pressure pick-up and absolute pressure sensor, i.e.,
Differential pressure measurement element range is small but high resolution, for measuring the difference of pore water pressure and hydrostatic pressure, actually excess pore water
Pressure improves the precision problem of measurement.Absolute pressure measuring cell range is big but resolution ratio is small, for measuring hydrostatic pressing in seawater
Power facilitates realization calibrated in situ, has combined the requirement of measuring range and measurement accuracy.Meanwhile the static sounding probe is also
Static point resistance and sidewall friction power can be measured respectively.
Below with reference to accompanying drawings, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is that the structure for the hole pressure touching methods probe that can be used in deep-sea disclosed in the preferred embodiment in the utility model is shown
It is intended to；
Fig. 2 is pore water pressure composition schematic diagram in deep-sea disclosed by the utility model.
Marginal data:
1, conehead；
2, pore water pressure force checking device；21, permeable filter；22, permeable hole；23, the first water-permeable passage；24, the first film
Piece；25, secondary diaphragm；26, sealed chamber；27, differential pressure measurement element；28, absolute pressure measuring cell；29, the second water-permeable passage；
3, static point resistance detection device；31, the first deformation column；32, static point resistance sensor；
4, sidewall friction force checking device；41, friction cylinder；42, the second deformation column；43, sidewall friction sensor；44,
One annular groove；
5, sealing ring forms；
6, hydraulic pressure chamber；61, preceding hydraulic pressure chamber；62, rear hydraulic pressure chamber；
7, second annular groove.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figure 1, the utility model discloses a kind of hole pressure touching methods probe that can be used in deep-sea first, including
Conehead 1 and pore water pressure force checking device 2, probe is interior to be equipped with hollow hydraulic pressure chamber 6, and the head position of probe is arranged in conehead 1,
Be provided with the permeable hole 22 that be connected to of outside, pore water pressure force checking device 2 by hydraulic pressure chamber 6 be divided into it is mutual it is disconnected before
Hydraulic pressure chamber 61 and rear hydraulic pressure chamber 62, preceding hydraulic pressure chamber 61 are connected to by one first water-permeable passage 23 with permeable hole 22, rear hydraulic pressure chamber 62
By one second water-permeable passage 29 with outside be connected to, wherein the input port of the second water-permeable passage 29 be located at pop one's head in tail portion, second
The input terminal (input terminal of the first water-permeable passage 23 is permeable hole 22) of water-permeable passage 29 and the first water-permeable passage 23 is provided with
Permeable filter 21, such as permeable stone prevent impurity from entering blocking probe to filter to the hydraulic pressure for entering hydraulic pressure chamber 6.Pore water
Pressure-detecting device 2 includes primary diaphragm 24, secondary diaphragm 25, differential pressure measurement element 27 and absolute pressure measuring cell 28, the first film
Piece 24 and secondary diaphragm 25 (pass through silicon rubber waterproof coating and water with one sealed chamber 26 of the affixed formation of the cavity wall of hydraulic pressure chamber 6
The cavity wall of chamber 6 is pressed to seal bonding), so that the cavity wall with hydraulic pressure chamber 6 forms a confined space, primary diaphragm 24 is by nearby hydraulic pressure
Chamber 61 is arranged, and secondary diaphragm 25 is arranged close to rear hydraulic pressure chamber 62, the both ends of differential pressure measurement element 27 respectively with primary diaphragm 24 and
Secondary diaphragm 25 is fitted and connected, and absolute pressure measuring cell 28 is fitted and connected with primary diaphragm 24, acts on first by measuring hydraulic pressure
The deformation occurred on diaphragm 24 and secondary diaphragm 25 to measure the water pressure at 25 both ends of primary diaphragm 24 and secondary diaphragm indirectly.
When work, the pore water in soil is entered by the first permeable filter 21, via the permeable hole 22 of probe head and
One water-permeable passage 23, acts on primary diaphragm 24.Hydrostatic pressure is entered by the second water-permeable passage 29 of tail portion of popping one's head in, and is acted on
On secondary diaphragm 25, the differential pressure measurement element 27 small but with high accuracy in primary diaphragm 24 and the setting range of secondary diaphragm 25, due to
Numerical value very big hydrostatic pressure in two sides is cancelled out each other, because measuring the difference of hydrostatic pressure and pore water pressure, as super hole at this time
Gap water pressure △ u.Because of the problem of measured value is differential pressure, ensure that the precision of measurement.Range is provided at secondary diaphragm 25
Greatly, but the low absolute pressure measuring cell 28 of precision, measure hydrostatic pressure uh.Asking for wide range and pinpoint accuracy is combined
Topic, can also carry out calibrated in situ.
Resistance when for measuring probe injection further includes in the present embodiment a static point resistance detection device 3, cone
Resistance detection device 3 includes the first deformation column 31 and static point resistance sensor 32, and the first deformation column 31 is mounted on 1 end of conehead
At permeable hole 22, static point resistance sensor 32 setting first deformation column 31 on, when pop one's head in downward injection when, the cone of conehead 1
The resistance being subject to passes to the first deformation column 31, and the static point resistance sensor 32 by being set on the first deformation column 31 is surveyed
Measure the power.Wherein the first deformation column 31 can not only bear the resistance from cone, be alternatively arranged as the branch of the first water-permeable passage 23
Support, wherein the first deformation column 31 is socketed with sealing ring composition 5 close to the end of the second deformation column 42, to pass to static point resistance
Sensor 32 seals.
It further include that one side wall is rubbed in the present embodiment meanwhile in order to measure sidewall friction power of the measuring probe in injection
Force checking device 4 is wiped, sidewall friction force checking device 4 includes that friction cylinder 41, second deforms column 42 and sidewall friction sensor 43,
Second deformation column 42 is socketed on the lateral wall of probe, and friction cylinder 41 is socketed in the second deformation column 42 and puts on, sidewall friction sensing
The setting of device 43 is on the second deformation column 42.When pop one's head in downward injection when, friction cylinder 41 is passed it to by sidewall friction power
On second deformation column 42, the sidewall friction sensor 43 being set on the second deformation column 42 can measure the power.Wherein,
Two deformation columns 42 deform column 31 with first and are spaced a distance setting, this kind of double-bridge structure ensure that static point resistance rubs with side wall
The measurement for wiping power is independent of each other.Meanwhile second axial dipole field of the column 42 on probe is deformed in order to prevent, in the present embodiment,
It is provided with a second annular groove 7 on the outer wall of probe, column 42 is embedding is set in second annular groove 7 for the second deformation.Meanwhile
Influence in order to avoid friction cylinder 41 to sidewall friction sensor 43, second deformation column 42 outer wall on be provided with it is first annular recessed
Slot 44, sidewall friction sensor 43 are bonded setting with the bottom of first annular groove 44 to detect the deformation of the second deformation column 42
Amount.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for the skill of this field
For art personnel, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of hole pressure touching methods probe that can be used in deep-sea, which is characterized in that examined including conehead (1) and pore water pressure
It surveys device (2), is equipped with hydraulic pressure chamber (6) in the probe, be provided with permeable hole on the conehead (1) of described probe one end
(22), the pore water pressure force checking device (2) includes primary diaphragm (24), secondary diaphragm (25), differential pressure measurement element (27)
With absolute pressure measuring cell (28), formed a sealed chamber (26) between the primary diaphragm (24) and secondary diaphragm (25), it is described
The hydraulic pressure chamber (6) is divided into preceding hydraulic pressure chamber (61) and rear hydraulic pressure chamber (62), the preceding hydraulic pressure chamber (61) by sealed chamber (26)
It is connected to by one first water-permeable passage (23) with the permeable hole (22), the rear hydraulic pressure chamber (62) passes through one second water-permeable passage
(29) it is connected to the outside of the probe other end, the primary diaphragm (24) is arranged by nearby hydraulic pressure chamber (61), the secondary diaphragm
(25) close to rear hydraulic pressure chamber (62) be arranged, the both ends of the differential pressure measurement element (27) respectively with primary diaphragm (24) and the second film
Piece (25) connection, the absolute pressure measuring cell (28) connect with the primary diaphragm (24).
2. the hole pressure touching methods probe according to claim 1 that can be used in deep-sea, which is characterized in that described first thoroughly
The input terminal of aquaporin (23) and the second water-permeable passage (29) is provided with permeable filter (21).
3. the hole pressure touching methods probe according to claim 1 that can be used in deep-sea, which is characterized in that first film
Piece (24) and secondary diaphragm (25) form the sealed chamber (26) by Nian Jie with the cavity wall sealing of the hydraulic pressure chamber (6).
4. the hole pressure touching methods probe according to claim 1 that can be used in deep-sea, which is characterized in that first film
Piece (24) and secondary diaphragm (25) are silicon diaphragm.
5. the hole pressure touching methods probe according to claim 1 to 4 that can be used in deep-sea, which is characterized in that also wrap
A static point resistance detection device (3) is included, the static point resistance detection device (3) includes that the first deformation column (31) and static point resistance pass
Sensor (32), first deformation column (31) are mounted on the conehead (1), and the static point resistance sensor (32) is arranged in institute
It states on the first deformation column (31).
6. the hole pressure touching methods probe according to claim 5 that can be used in deep-sea, which is characterized in that further include side
Wall friction force checking device (4), the sidewall friction force checking device (4) include friction cylinder (41), second deformation column (42) and
Sidewall friction sensor (43), second deformation column (42) are socketed on the probe, and the friction cylinder (41) is socketed in institute
It states on the second deformation column (42), sidewall friction sensor (43) setting is in second deformation column (42).
7. the hole pressure touching methods probe according to claim 6 that can be used in deep-sea, which is characterized in that described second becomes
It is provided on the outer wall of shape column (42) first annular groove (44), the sidewall friction sensor (43) is arranged in first ring
The bottom surface of connected in star (44).
8. the hole pressure touching methods probe according to claim 6 that can be used in deep-sea, which is characterized in that the probe
It is provided on outer wall a second annular groove (7), the second deformation column (42) socket is arranged in the second annular groove (7)
It is interior.
9. the hole pressure touching methods probe according to claim 6 that can be used in deep-sea, which is characterized in that described first becomes
Shape column (31) is socketed with the sealing ring group to the static point resistance sensor (32) sealing close to the end of the second deformation column (42)
At (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819937.1U CN209308003U (en) | 2018-11-06 | 2018-11-06 | A kind of hole pressure touching methods probe that can be used in deep-sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819937.1U CN209308003U (en) | 2018-11-06 | 2018-11-06 | A kind of hole pressure touching methods probe that can be used in deep-sea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308003U true CN209308003U (en) | 2019-08-27 |
Family
ID=67672446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821819937.1U Withdrawn - After Issue CN209308003U (en) | 2018-11-06 | 2018-11-06 | A kind of hole pressure touching methods probe that can be used in deep-sea |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209308003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252505A (en) * | 2018-11-06 | 2019-01-22 | 长沙矿冶研究院有限责任公司 | A kind of hole pressure touching methods probe that can be used in deep-sea |
| CN110607790A (en) * | 2019-10-23 | 2019-12-24 | 中国海洋大学 | Deep sea static sounding probe |
-
2018
- 2018-11-06 CN CN201821819937.1U patent/CN209308003U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252505A (en) * | 2018-11-06 | 2019-01-22 | 长沙矿冶研究院有限责任公司 | A kind of hole pressure touching methods probe that can be used in deep-sea |
| CN109252505B (en) * | 2018-11-06 | 2024-03-22 | 长沙矿冶研究院有限责任公司 | Pore-pressure static cone penetration probe applicable to deep sea |
| CN110607790A (en) * | 2019-10-23 | 2019-12-24 | 中国海洋大学 | Deep sea static sounding probe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190827 Effective date of abandoning: 20240322 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190827 Effective date of abandoning: 20240322 |