CN109881655B - Deep sea static cone penetration probe calibration device - Google Patents
Deep sea static cone penetration probe calibration device Download PDFInfo
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- CN109881655B CN109881655B CN201910321549.3A CN201910321549A CN109881655B CN 109881655 B CN109881655 B CN 109881655B CN 201910321549 A CN201910321549 A CN 201910321549A CN 109881655 B CN109881655 B CN 109881655B
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- 239000000523 sample Substances 0.000 title claims abstract description 78
- 230000003068 static effect Effects 0.000 title claims abstract description 22
- 230000035515 penetration Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 11
- 239000003921 oil Substances 0.000 claims 8
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
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- 238000009931 pascalization Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
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Abstract
The invention discloses a deep sea static cone penetration probe calibration device which comprises a probe frame, a compression spring, a lifting mechanism and a fully packaged and high-pressure-resistant measuring mechanism, wherein a center rod is arranged on the probe frame, the compression spring is arranged on the center rod, a replaceable probe fixing piece is arranged on the measuring mechanism, a fixing rod is arranged at the bottom of the compression spring, a probe is arranged between the fixing rod and the measuring mechanism, the top of the lifting mechanism is fixedly connected with the measuring mechanism, the center lines of the fixing rod, the center rod, the compression spring, the measuring mechanism and the lifting mechanism are aligned and coaxial, the probe, the lifting mechanism and the measuring mechanism are all electrically connected with an external power supply, and the probe, the lifting mechanism and the measuring mechanism are all connected with external signals.
Description
Technical Field
The invention belongs to the field of underwater geological in-situ exploration, and relates to an underwater static sounding probe calibration device.
Background
Static sounding is an in-situ test method in engineering geological survey, and can be used for dividing soil layers, judging soil layer types and finding out the uniformity of soft and hard interlayers and soil layers in horizontal and vertical directions; and evaluating engineering properties of foundation soil. The static sounding is to use quasi static force to press a sounding head with cone tip resistance sensor, side wall friction sensor and pore water sensor into the earth at uniform speed, the resistance of the probe is different naturally due to different hardness of various earth in stratum, the sensor inputs the penetration resistance with different magnitudes into the recording instrument through electric signals to record, and then obtains soil layer parameters through qualitative and statistical correlation between penetration resistance, pore water pressure and engineering geological features of the earth.
With the development of ocean engineering, the importance of ocean static sounding is also gradually revealed. Because of extremely high pressure in deep sea, and quite different from land environment, the current global ocean static sounding research and development companies are mainly concentrated in developed countries in Europe such as Holland Hui corporation, holland Van Baurg corporation and the like, and the calibration of the deep sea static sounding probe has no definite equipment and method, so the invention is a calibration device for deep sea static sounding.
Disclosure of Invention
The invention aims to solve the problems that the deep sea static cone penetration probe cone tip resistance and the side wall friction force can be calibrated, errors caused by uneven force distribution in the force transmission process are avoided, and the probe stress variation is avoided.
The invention discloses a deep sea static cone penetration probe calibration device which comprises a probe frame, a compression spring, a lifting mechanism and a fully packaged and high-pressure-resistant measuring mechanism, wherein a center rod is arranged on the probe frame, the compression spring is arranged on the center rod, a replaceable probe fixing piece is arranged on the measuring mechanism, a fixing rod is arranged at the bottom of the compression spring, a probe is arranged between the fixing rod and the measuring mechanism, the top of the lifting mechanism is fixedly connected with the measuring mechanism, the central lines of the fixing rod, the center rod, the compression spring, the measuring mechanism and the lifting mechanism are aligned and coaxial, the probe, the lifting mechanism and the measuring mechanism are all electrically connected with an external power supply, and the probe, the lifting mechanism and the measuring mechanism are all connected with external signals.
Preferably, the probe frame comprises a support bottom plate, a support lower support rod, a support upper plate, a support upper support rod and a support cross beam, wherein the support lower support rod is used for connecting the support bottom plate and the support upper plate, the support upper support rod is used for connecting the support cross beam and the support upper plate, and the center rod is arranged at the bottom of the support cross beam.
Preferably, the lifting mechanism comprises a gear motor and a lifting machine, the gear motor is arranged at the top of the support bottom plate, the lifting machine is arranged at the top of the support upper plate, a coupler and a bevel gear are arranged at the output end of the gear motor, the bevel gear is arranged at the input end of the lifting machine, the gear motor is connected with the lifting machine through the bevel gear, a lifting rod at the output end of the lifting machine is connected with the measuring mechanism, and the central lines of the lifting rod, the probe and the central rod are on the same straight line.
Preferably, the outside of gear motor is equipped with first guard shield, still be equipped with the oil bag compensator on the support bottom plate, the inside of first guard shield fills oil, first guard shield still communicates with the oil bag compensator through oil pipe.
Preferably, the measuring mechanism comprises a circuit cabin, a second protective cover and a force sensor, wherein the force sensor is fixed on the inner wall of the second protective cover, a force transmission element is embedded on the second protective cover, the force sensor is in contact with the force transmission element, a probe fixing piece is in contact with the force transmission element, a watertight cabin penetrating piece is arranged between the circuit cabin and the second protective cover, oil is filled in the second protective cover, the second protective cover is also communicated with the oil bag compensator through an oil pipe, a signal acquisition circuit board is arranged in the circuit cabin, the force sensor is in signal connection with the signal acquisition circuit board, the signal acquisition circuit board is in signal connection with the outside through a signal wire, and the central lines of the force sensor, the lifting rod, the probe and the central rod are in a straight line.
Preferably, a first protection end cover is arranged at the top of the circuit cabin, and the signal wire passes through the first protection end cover.
Preferably, a second protection end cover is arranged on the first protection cover, and a first sealing ring is arranged between the second protection end cover and the coupler.
Preferably, a third protection end cover is arranged on the second protection cover, a sealing gasket is further arranged between the third protection end cover and the second protection cover, and a second sealing ring is arranged between the third protection end cover and the force transmission element.
Preferably, the probe and the gear motor are connected with external signals through the signal wire.
The invention has the beneficial effects that:
According to the deep sea static sounding probe calibration device, the device is placed in the pressurizing equipment capable of simulating deep sea pressure, the pressurizing equipment is pressurized after the pressurizing equipment is inspected, the pressure in the pressurizing equipment is increased to the specified pressure, measurement is started, the measuring mechanism moves upwards under the action of the lifting mechanism, the pressure-resistant spring is sleeved on the center rod at the top of the probe, the probe transmits force to the pressure-resistant spring, the pressure-resistant spring plays a role in buffering to prevent the probe from being subjected to too severe force variation, in addition, the cone tip resistance or the side wall friction force of the probe can be measured by replacing different probe fixing pieces, the data of the measuring mechanism and the measured probe are read, so that the calibration work of the probe is completed, the problem of overlarge measurement precision error caused by shaking can be avoided due to the fact that the fixing rod, the center rod, the pressure-resistant spring, the measuring mechanism and the lifting mechanism are aligned and coaxial, the measuring mechanism are in direct contact with the probe, the problem of uneven force transmission caused by various parts is reduced, and the measurement precision is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of a deep sea static cone penetration probe calibration device;
FIG. 2 is a schematic diagram showing the internal structure of a first protective cover of the deep sea static cone penetration probe calibration device;
Fig. 3 is a schematic diagram of a partial structure of a deep sea static cone penetration probe calibration device according to the present invention.
In the figure, 1 is a compression spring, 2 is a central rod, 3 is a probe fixing piece, 4 is a fixing rod, 5 is a probe, 6 is a support bottom plate, 7 is a support lower support rod, 8 is a support upper plate, 9 is a support upper support rod, 10 is a support cross beam, 11 is a gear motor, 12 is an elevator, 13 is a coupler, 14 is a bevel gear, 15 is a lifting rod, 16 is a first protection cover, 17 is an oil bag compensator, 18 is an oil pipe, 19 is a circuit cabin, 20 is a second sealing ring, 21 is a second protection cover, 22 is a force sensor, 23 is a force transmission element, 24 is a watertight cabin penetrating piece, 25 is a signal acquisition circuit board, 26 is a signal wire, 27 is a first protection end cover, 28 is a second protection end cover, 29 is a first sealing ring, 30 is a third protection end cover, and 31 is a sealing gasket.
Detailed Description
For a better understanding of the technical content of the present invention, specific examples are provided below and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the deep sea static sounding probe calibration device of the invention comprises a probe frame, a compression spring 1, a lifter 12 mechanism and a fully packaged and high pressure resistant measuring mechanism, wherein the probe frame is provided with a central rod 2, the compression spring 1 is arranged on the central rod 2, the measuring mechanism is provided with a replaceable probe fixing piece 3, the bottom of the compression spring 1 is provided with a fixing rod 4, a probe 5 is arranged between the fixing rod 4 and the measuring mechanism, the top of the lifter 12 mechanism is fixedly connected with the measuring mechanism, the central lines of the fixing rod 4, the central rod 2, the compression spring 1, the measuring mechanism and the lifter 12 mechanism are aligned and coaxial, the probe 5, the lifter 12 mechanism and the measuring mechanism are all electrically connected with an external power supply, the probe 5, the lifter 12 mechanism and the measuring mechanism are all connected with external signals, the device is placed in a pressurizing device capable of simulating deep sea pressure, the pressurizing device is pressurized after the device is inspected, the pressure in the pressurizing device is raised to a specified pressure, measurement is started, the measuring mechanism moves upwards under the action of the lifter 12, the probe 5 transmits force to the compression spring 1 because the compression spring 1 is sleeved on the center rod 2 at the top of the probe 5, the compression spring 1 plays a role in buffering to prevent the probe 5 from excessively violent force variation, in addition, the cone tip resistance or the side wall friction of the probe 5 can be measured by replacing different probe fixing pieces 3, the calibration work of the probe 5 is completed by reading the data of the measuring mechanism and the measured probe 5, and the measuring mechanism is fixedly connected with the lifter 12, the problem that measurement accuracy error is too big that can avoid rocking to bring is solved, moreover because dead lever 4, center pole 2, compression spring 1, measuring mechanism and lift 12 construct the central line alignment and coaxial, and measuring mechanism and probe 5 direct contact have reduced the inhomogeneous problem of force transfer that multiple part contacted and brought, have effectively improved measuring accuracy, and this device not only can be applicable to the probe calibration work under the high hydrostatic pressure environment, but also can realize automatic calibration.
Specifically, the probe frame comprises a support bottom plate 6, a support lower support rod 7, a support upper plate 8, a support upper support rod 9 and a support cross beam 10, wherein the support lower support rod 7 is used for connecting the support bottom plate 6 and the support upper plate 8, the support upper support rod 9 is used for connecting the support cross beam 10 and the support upper plate 8, and the center rod 2 is arranged at the bottom of the support cross beam 10.
Specifically, the elevator 12 comprises a gear motor 11 and an elevator 12, the gear motor 11 is arranged at the top of the bracket bottom plate 6, the elevator 12 is arranged at the top of the bracket upper plate 8, the output end of the gear motor 11 is provided with a coupler 13 and a bevel gear 14, the input end of the elevator 12 is provided with the bevel gear 14, the gear motor 11 is connected with the elevator 12 through the bevel gear 14, an elevator rod 15 at the output end of the elevator 12 is connected with the measuring mechanism, the central lines of the elevator rod 15, the probe 5 and the center rod 2 are on the same straight line, and the bevel gear 14 at the input end of the elevator 12 rotates through the effect of the coupler 13 and the bevel gear 14 at the output end of the gear motor 11, so that the elevator rod 15 of the elevator 12 ascends or descends, thereby realizing the change of load, and when the pressure borne by the spring 1 is zero, the calibration under different working conditions is completed.
Specifically, the outside of gear motor 11 is equipped with first guard shield 16, still be equipped with oil bag compensator 17 on the support bottom plate 6, the inside of first guard shield 16 fills oil, first guard shield 16 still communicates with oil bag compensator 17 through oil pipe 18, through oil bag compensator 17 with the cooperation of first guard shield 16 can avoid first guard shield 16 is impaired under the deep sea high pressure environment, ensures the interior pressure after first guard shield 16 fills oil is the same with external pressure, ensures the reliability of this device work.
Specifically, the measuring mechanism includes a circuit cabin 19, a second protecting cover 21 and a force sensor 22, the force sensor 22 is fixed on the inner wall of the second protecting cover 21, a force transmission element 23 is embedded on the second protecting cover 21, the force sensor 22 is in contact with the force transmission element 23, the probe fixing part 3 is in contact with the force transmission element 23, a watertight penetration cabin part 24 is arranged between the circuit cabin 19 and the second protecting cover 21, oil is filled in the second protecting cover 21, the second protecting cover 21 is also communicated with the oil bag compensator 17 through the oil pipe 18, a signal acquisition circuit board 25 is arranged in the circuit cabin 19, the force sensor 22 is in signal connection with the signal acquisition circuit board 25, the signal acquisition circuit board 25 is in signal connection with the outside through a signal wire 26, the center lines of the force sensor 22, the lifting rod 15, the probe 5 and the center rod 2 are in a straight line, the matching of the second protecting cover 21 can be avoided through the oil bag compensator 17 and the second protecting cover 21, the inner pressure sensor 21 is not in the straight line with the force transmission device, the force sensor 2 can be guaranteed to be in the same straight line, the force transmission accuracy of the probe is guaranteed, the force sensor is guaranteed to be in the straight line between the probe and the probe fixing part 2 and the force transmission device, and the force sensor 2 is not in the straight line through the straight line, and the force transmission between the force sensor and the force sensor 2 is guaranteed.
Specifically, the top of circuit cabin 19 is equipped with first protection end cover 27, signal line 26 passes first protection end cover 27, be equipped with second protection end cover 28 on the first protection cover 16, second protection end cover 28 with be equipped with first sealing washer 29 between the shaft coupling 13, be equipped with third protection end cover 30 on the second protection cover 21, third protection end cover 30 with still be equipped with sealing washer 31 between the second protection cover 21, third protection end cover 30 with force transmission element 23 is equipped with second sealing washer 20, can effectually seal this device, ensures the phenomenon of oil leak does not appear, can ensure the reliability of this device work moreover, moreover second sealing washer 20 can adopt radial seal's sealing washer, consequently can not influence the transmission of axial force.
Specifically, the probe 5 and the gear motor 11 are both connected with external signals through the signal line 26.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (4)
1. The utility model provides a deep sea static cone penetration test probe calibration device, its characterized in that includes probe frame, resistance to compression spring, elevating system and encapsulation are complete and high pressure resistant measuring mechanism, be equipped with the center pole on the probe frame, resistance to compression spring locates on the center pole, be equipped with removable probe mounting on the measuring mechanism, resistance to compression spring's bottom is equipped with the dead lever, the dead lever with be equipped with the probe between the measuring mechanism, elevating system's top with measuring mechanism fixed connection, the dead lever, center pole, resistance to compression spring, measuring mechanism and elevating system's central line align and coaxial, probe, elevating system and measuring mechanism all are connected with external power supply electricity, probe, elevating system and measuring mechanism all are connected with external signal, the probe frame includes support bottom plate, support down-holder support, support upper plate and support crossbeam, support down-holder is used for connecting support bottom plate and support upper plate, the center pole is located the bottom of support crossbeam, elevating system includes gear reducer motor and elevating system, elevating system includes the elevating gear reducer and is equipped with the elevating system, the gear housing end is equipped with the output shaft housing, elevating system is equipped with the output end to the elevator, the output shaft housing is equipped with, the novel oil-filled hydraulic oil pump is characterized in that an oil bag compensator is further arranged on the support bottom plate, oil is filled in the first protective cover, the first protective cover is communicated with the oil bag compensator through an oil pipe, the measuring mechanism comprises a circuit cabin, a second protective cover and a force sensor, the force sensor is fixed on the inner wall of the second protective cover, a force transmission element is embedded on the second protective cover, the force sensor is in contact with the force transmission element, a probe fixing piece is in contact with the force transmission element, a watertight cabin penetrating piece is arranged between the circuit cabin and the second protective cover, oil is filled in the second protective cover, the second protective cover is also communicated with the oil bag compensator through the oil pipe, a signal acquisition circuit board is arranged in the circuit cabin, the force sensor is in signal connection with the signal acquisition circuit board, the signal acquisition circuit board is in signal connection with an external signal, the center line of the force sensor, a lifting rod, a probe and a center rod is arranged on the first protective cover, and a first sealing ring is arranged between the second protective cover and the first sealing ring.
2. The deep sea static cone penetration probe calibration device according to claim 1, wherein a first protection end cover is arranged at the top of the circuit cabin, and the signal wire penetrates through the first protection end cover.
3. The deep sea static cone penetration probe calibration device according to claim 1, wherein a third protection end cover is arranged on the second protection cover, a sealing gasket is further arranged between the third protection end cover and the second protection cover, and a second sealing ring is arranged between the third protection end cover and the force transmission element.
4. The deep sea static cone penetration probe calibration device according to claim 1, wherein the probe and the gear motor are connected with external signals through the signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321549.3A CN109881655B (en) | 2019-04-22 | 2019-04-22 | Deep sea static cone penetration probe calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321549.3A CN109881655B (en) | 2019-04-22 | 2019-04-22 | Deep sea static cone penetration probe calibration device |
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| CN109881655A CN109881655A (en) | 2019-06-14 |
| CN109881655B true CN109881655B (en) | 2024-05-17 |
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| CN201910321549.3A Active CN109881655B (en) | 2019-04-22 | 2019-04-22 | Deep sea static cone penetration probe calibration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112281795B (en) * | 2020-09-18 | 2022-01-28 | 磐索地勘科技(广州)有限公司 | Deep sea static sounding probe calibration device and method |
| CN112301994B (en) * | 2020-09-18 | 2022-03-29 | 广州中勘工程科技有限公司 | Multi-parameter static sounding probe calibration device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761694A (en) * | 2017-10-30 | 2018-03-06 | 中国科学院深海科学与工程研究所 | A kind of underwater hole pressure touching methods probe |
| CN109238562A (en) * | 2018-10-31 | 2019-01-18 | 东南大学 | One kind is for inspection and caliberating device in hole pressure touching methods probe chamber |
| CN209585007U (en) * | 2019-04-22 | 2019-11-05 | 中国科学院深海科学与工程研究所 | A kind of deep-sea static sounding probe caliberating device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7810381B2 (en) * | 2008-06-11 | 2010-10-12 | Gregg Drilling & Testing, Inc. | Hydrostatically compensated deep sea probe with shear strain gauges |
| WO2017027447A1 (en) * | 2015-08-11 | 2017-02-16 | Intrasen, LLC | Groundwater monitoring system and method |
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- 2019-04-22 CN CN201910321549.3A patent/CN109881655B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761694A (en) * | 2017-10-30 | 2018-03-06 | 中国科学院深海科学与工程研究所 | A kind of underwater hole pressure touching methods probe |
| CN109238562A (en) * | 2018-10-31 | 2019-01-18 | 东南大学 | One kind is for inspection and caliberating device in hole pressure touching methods probe chamber |
| CN209585007U (en) * | 2019-04-22 | 2019-11-05 | 中国科学院深海科学与工程研究所 | A kind of deep-sea static sounding probe caliberating device |
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