CN207263106U - A kind of Four component seismic technology probe - Google Patents
A kind of Four component seismic technology probe Download PDFInfo
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- CN207263106U CN207263106U CN201721036195.0U CN201721036195U CN207263106U CN 207263106 U CN207263106 U CN 207263106U CN 201721036195 U CN201721036195 U CN 201721036195U CN 207263106 U CN207263106 U CN 207263106U
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- cylinder
- probe
- guide sleeve
- component seismic
- seismic technology
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- 239000000523 sample Substances 0.000 title claims abstract description 37
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 239000010453 quartz Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- -1 cylinder Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model proposes a kind of Four component seismic technology probe, including cylinder, probe cap, seal plug and four sensors, probe cap and the seal plug top with cylinder and bottom end opening phase configuration respectively, probe cap is provided with central through hole, cable one end is pierced by probe by central through hole, the other end is connected with four sensors, circumferentially uniform intervals are equipped with eight ribs on the inner wall of cylinder interlude, corresponding two rib is connected with the both ends of sensor respectively, rib is radially set along cylinder, and four sensors are radially laid successively in cylinder.The utility model apparatus structure simplifies, using reliable, can effectively improve the reliability of observation data.
Description
Technical field
The utility model belongs to the technical field of earthquake deformation observation instrument, more particularly to a kind of Four component seismic technology
Probe.
Background technology
Drilling Deformation Observation is the important observation method of Research on Crustal movement.Recent domestic earthquake science bound pair drills
Strain observation technology is attached great importance to, and the development of Four component seismic technology is even more to have obtained State Seismological Bureau and seismic monitoring department
Support energetically, obtain some anomaly before earthquakes signals in recent years, be current most promising short term and imminent abnormality monitoring instrument, not
To be expected to realize that rapid earthquake information report and earthquake pre-warning are forecast by large-scale platform net construction, hundred are successfully installed.
Instrument currently used for strain measurement have a variety of, basic working methods be in a long metallic cylinder,
Radially mounted multiple sensors, foot of hole is fixedly arranged at using couplant, obtains maximum principal strain, the minimum of earth's crust basement rock
Principal strain and its azimuth of maximum principal strain.Domestic and international common measurement method has two kinds：Measuring the adjacent angle of original paper is
120 ° of three-component deformeter, four component strain instrument of 45 ° of adjacent angle.In Borehole strain observation, it is special that measurement is learned domesticly
Family Su Kai's proposes first, in the same plane of the rock medium of homogeneous isotropism, any one group of orthogonal stress value
And another group of orthogonal stress value and equal, in the industry cycle referred to as " self-test " of borehole strain, i.e.,：ε1+ε3=ε2+
ε4.But " self-test " effect is undesirable during majority is applied with quasi-instrument on the spot, it is also believed to observation instrument mechanics and transmits not
Uniformly, the reliability deficiency of data is caused.
The content of the invention
The technical problem to be solved by the utility model is to for above-mentioned problem, there is provided a kind of four components drilling
Deformeter is popped one's head in, and is effectively improved the reliability of observation data, is obtained good " self-test " effect.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of Four component seismic technology is visited
Head, it is characterised in that including cylinder, probe cap, seal plug and four sensors, the probe cap and seal plug respectively with
The top of cylinder and bottom end opening phase configuration, probe cap are provided with central through hole, and cable one end is pierced by probe by central through hole, separately
One end is connected with four sensors, and circumferentially uniform intervals are equipped with eight ribs on the inner wall of cylinder interlude, corresponding
Two ribs be connected respectively with the both ends of sensor, rib along cylinder radially set, four sensors in cylinder radially
Lay successively.
By such scheme, the sensor is tri-electrode capacitance displacement sensor, including fixed seat, the first external polar plate, in
One end of pole plate, the second external polar plate, guiding axis and guide sleeve, the fixed seat and guide sleeve respectively with described corresponding two
Rib is connected, and fixed seat is connected with one end of the first quartz pushrod, and the other end is connected with first, second external polar plate successively, guide sleeve
The other end be equipped with connection blind hole, one end of the guiding axis and the connection blind hole phase configuration, the other end and the second quartz pushrod
One end be connected, the other end of the second quartz pushrod is connected with the middle pole plate, and middle pole plate is between first, second external polar plate.
By such scheme, the guide sleeve is internally provided with motor and adjusting screw rod, during one end of the guiding axis is arranged on
Heart screw hole, the output shaft of the motor and one end of the adjusting screw rod are connected, the other end and the center screw bolt.
Elastic ring plate, the both ends difference of the elasticity ring plate are equipped with by such scheme, between the guiding axis and guide sleeve
It is connected with guiding axis and guide sleeve.
By such scheme, the cross sectional shape of the elasticity ring plate is " Ω ".
By such scheme, the end face outside of the rib is equipped with one end of engaging raised line, the fixed seat and guide sleeve
End face is equipped with engaging groove, and the engaging raised line and engaging recess are put.
By such scheme, the contact surface of the probe cap and seal plug and cylinder is equipped with rubber "O"-ring, probe cap
Central through hole in be equipped with rubber sealing boot.
The beneficial effects of the utility model are：A kind of Four component seismic technology probe is provided, uses distribution accurate eight
A rib, makes four strain measurement elements obtain accurate position indexing, and strip rib can make stress transfer is relatively uniform can
Lean on, drilling strain gauge is obtained accurate " self-test " result.
Brief description of the drawings
Fig. 1 is the positive sectional view of the utility model one embodiment.
Fig. 2 is the sectional view along A-A of Fig. 1.
Wherein：1st, cylinder；2nd, probe cap；3rd, seal plug；4th, tri-electrode capacitance displacement sensor；5th, cable；6th, rubber
"O"-ring；7th, rubber sealing boot；8th, rib；9th, fixed seat；10th, the first external polar plate；11st, middle pole plate；12nd, the second external polar plate；
13rd, guiding axis；14th, guide sleeve；15th, the first quartz pushrod；16th, the second quartz pushrod；17th, motor；18th, adjusting screw rod；19th, it is elastic
Ring plate.
Embodiment
To more fully understand the utility model, with reference to the accompanying drawings and examples to the utility model further description.
As shown in Figure 1 and Figure 2, a kind of Four component seismic technology probe, including cylinder 1, probe cap 2,3 and of seal plug
Four sensors, probe cap and the seal plug top with cylinder and bottom end opening phase configuration, probe cap and seal plug respectively
Sealed with the contact surface of cylinder equipped with rubber "O"-ring 6, probe cap is provided with central through hole, and rubber is equipped with central through hole
Glue sealing shroud 7,5 one end of cable are pierced by probe by central through hole, and the other end is connected with four sensors, sensor is measured
Information is by cable transmission, and circumferentially uniform intervals are equipped with eight ribs 8, corresponding two ribs on the inner wall of cylinder interlude
Bar is connected with the both ends of sensor respectively, and rib is radially set along cylinder, and four sensors are radially laid successively in cylinder,
The angle of two neighboring sensor diametrically is 45 °.
Sensor is tri-electrode capacitance displacement sensor 4, including fixed seat 9, the first external polar plate 10, middle pole plate 11, second
One end of external polar plate 12, guiding axis 13 and guide sleeve 14, fixed seat and guide sleeve is connected with corresponding two rib respectively, Gu
Reservation is connected with one end of the first quartz pushrod 15, and the other end is connected with first, second external polar plate successively, and the other end of guide sleeve is set
There is connection blind hole, one end insertion connection blind hole of guiding axis is connected with guide sleeve, one end phase of the other end and the second quartz pushrod 16
Even, the other end of the second quartz pushrod is connected with middle pole plate, and middle pole plate is between first, second external polar plate.Above structure composition
Tri-electrode capacitance displacement sensor, the radial variations that shell is stressed are converted to voltage signal, and probe is transported to by cable
Outside.
Guide sleeve is internally provided with motor 17 and adjusting screw rod 18, and one end of guiding axis is arranged on center screw, motor
One end of output shaft and adjusting screw rod is connected, the other end and center screw bolt.Motor start-up drives adjusting screw rod to rotate,
And then promote guiding axis to be moved horizontally along connection blind hole, the position of pole plate in adjusting.
Elastic ring plate 19 is equipped between guiding axis and guide sleeve, its cross sectional shape is " Ω ", and the both ends of elastic ring plate are distinguished
It is connected with guiding axis and guide sleeve, provides an axial prestress for guiding axis, prevent flutter effect measurement result.
The end face outside of rib, which is equipped with, engages raised line, and one end end face of fixed seat and guide sleeve is equipped with engaging groove,
Engaging raised line and engaging groove fasten.
When using this probe, motor drives adjusting screw rod to drive guiding axis axially micro-shifting, to pole in adjusting
The position of plate in the measurements, when pole plate is located at the centre position of the first and second external polar plates in the middle, output signal is shown as zero point.
The electric signal of the displacement measurement in any three directions by conversion, can calculate the maximum of installation position rock
Principal strain, minimum principal strain and its direction, can obtain four groups of result of calculations, when four groups of result of calculations are consistent, be able to verify that instrument
Device working state of system is normal, realizes the inspection to observation system reliability.The present invention can effectively improve drilling strain gauge
Certificate authenticity, measures applied to continuous earth's crust rock strain.
Claims (7)
1. a kind of Four component seismic technology probe, it is characterised in that including cylinder, probe cap, seal plug and four sensings
Device, the top with cylinder and bottom end opening phase configuration, probe cap are provided with central through hole, line respectively for the probe cap and seal plug
Cable one end is pierced by probe by central through hole, and the other end is connected with four sensors, along week on the inner wall of cylinder interlude
Be equipped with eight ribs to uniform intervals, corresponding two rib is connected with the both ends of sensor respectively, rib along cylinder radially
Set, four sensors are radially laid successively in cylinder.
2. a kind of Four component seismic technology probe according to claim 1, it is characterised in that the sensor is three poles
Plate capacitance displacement sensor, including fixed seat, the first external polar plate, middle pole plate, the second external polar plate, guiding axis and guide sleeve, it is described
One end of fixed seat and guide sleeve is connected with corresponding two rib respectively, fixed seat and one end phase of the first quartz pushrod
Even, the other end is connected with first, second external polar plate successively, and the other end of guide sleeve, which is equipped with, connects blind hole, and the one of the guiding axis
End and the connection blind hole phase configuration, the other end is connected with one end of the second quartz pushrod, the other end of the second quartz pushrod with it is described
Middle pole plate is connected, and middle pole plate is between first, second external polar plate.
3. a kind of Four component seismic technology probe according to claim 2, it is characterised in that set inside the guide sleeve
There are motor and adjusting screw rod, one end of the guiding axis is arranged on center screw, the output shaft of the motor and the adjusting
One end of screw rod is connected, the other end and the center screw bolt.
4. a kind of Four component seismic technology probe according to claim 2, it is characterised in that the guiding axis is with being oriented to
Elastic ring plate is equipped between set, the both ends of the elasticity ring plate are connected with guiding axis and guide sleeve respectively.
5. a kind of Four component seismic technology probe according to claim 4, it is characterised in that the elasticity ring plate is cut
Face shape is " Ω ".
A kind of 6. Four component seismic technology probe according to claim 4, it is characterised in that the outboard end of the rib
Face, which is equipped with, engages raised line, and one end end face of the fixed seat and guide sleeve is equipped with engaging groove, the engaging raised line and card
Recess is closed to put.
7. a kind of Four component seismic technology probe according to claim 1, it is characterised in that the probe cap and sealing
The contact surface of plug and cylinder is equipped with rubber "O"-ring, and rubber sealing boot is equipped with the central through hole of probe cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721036195.0U CN207263106U (en) | 2017-08-18 | 2017-08-18 | A kind of Four component seismic technology probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721036195.0U CN207263106U (en) | 2017-08-18 | 2017-08-18 | A kind of Four component seismic technology probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207263106U true CN207263106U (en) | 2018-04-20 |
Family
ID=61925314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721036195.0U Expired - Fee Related CN207263106U (en) | 2017-08-18 | 2017-08-18 | A kind of Four component seismic technology probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207263106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388955A (en) * | 2017-08-18 | 2017-11-24 | 武汉地震科学仪器研究院有限公司 | A kind of Four component seismic technology probe |
-
2017
- 2017-08-18 CN CN201721036195.0U patent/CN207263106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388955A (en) * | 2017-08-18 | 2017-11-24 | 武汉地震科学仪器研究院有限公司 | A kind of Four component seismic technology probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190625 Address after: 437000 No. 11 Qinglong Road, Xian'an Economic Development Zone, Xianning City, Hubei Province Co-patentee after: SHANDONG EARTHQUAKE FORECASTING RESEARCH CENTER Patentee after: WUHAN INSTITUTE OF SEISMOLOGIC INSTRUMENT Co.,Ltd. Address before: 437000 No. 11 Qinglong Road, Xian'an Economic Development Zone, Xianning City, Hubei Province Patentee before: WUHAN INSTITUTE OF SEISMOLOGIC INSTRUMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |