CN219245455U - Rock sample longitudinal and transverse wave measuring probe structure - Google Patents
Rock sample longitudinal and transverse wave measuring probe structure Download PDFInfo
- Publication number
- CN219245455U CN219245455U CN202223325244.6U CN202223325244U CN219245455U CN 219245455 U CN219245455 U CN 219245455U CN 202223325244 U CN202223325244 U CN 202223325244U CN 219245455 U CN219245455 U CN 219245455U
- Authority
- CN
- China
- Prior art keywords
- transverse wave
- longitudinal
- wafer
- probe
- rock sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a rock sample longitudinal and transverse wave measuring probe structure, which comprises a base body and a probe shell which are arranged together, wherein a longitudinal wave wafer and a transverse wave wafer are arranged in a gap between the base body and the probe shell, the longitudinal wave wafer is annular, the annular interior is a transverse wave wafer formed by splicing 4 quarter round wafers, a drainage tube penetrates from the probe shell, then penetrates through the transverse wave wafer and extends to a bearing surface of the base body, and a lead wire of the longitudinal wave wafer and the transverse wave wafer penetrates from a gap between the probe shell and the drainage tube. The probe structure disclosed by the utility model integrates the longitudinal wave probe and the transverse wave probe, the transverse wave wafer is circular, and the longitudinal wave wafer is annular, so that the longitudinal wave and the transverse wave can be directly generated, and the detection efficiency is improved; the drainage tube is added in the probe structure, so that the pore pressure of the rock sample can be changed in the testing process, and the drainage slot communicated with the drainage tube is arranged on the bearing surface of the substrate, so that liquid or gas in the drainage tube can be better coupled with the tested rock sample.
Description
Technical Field
The utility model belongs to the field of ultrasonic rock physical detection, and particularly relates to a core longitudinal and transverse wave speed measuring probe structure in the field.
Background
In the field of oil engineering rock acoustic property experiments and acoustic wave tests, the longitudinal and transverse wave time differences or acoustic wave propagation speeds of cores and other test pieces need to be accurately measured, the longitudinal and transverse wave time differences are easy to test, and the transverse wave time differences are difficult to test.
In the prior art, longitudinal wave probes and transverse wave probes are generally adopted for detection respectively, which is equivalent to twice detection, so that the detection efficiency is low. In another scheme, the longitudinal wave piezoelectric wafers and the transverse wave piezoelectric wafers are arranged on a wedge, the wedge is provided with a horizontal plane and an inclined plane, the longitudinal wave piezoelectric wafers are arranged on the horizontal plane, and the transverse wave piezoelectric wafers are arranged on the inclined plane, but a large number of transverse wave signals exist in longitudinal wave signals received by the scheme, and the head wave positions of transverse waves are hardly distinguished.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a rock sample longitudinal and transverse wave measuring probe structure, which can directly acquire longitudinal and transverse wave waveforms of a rock sample (rock core) under high-temperature and high-pressure conditions, read longitudinal and transverse wave time difference and further calculate longitudinal and transverse wave speeds of the measured rock sample.
The utility model adopts the following technical scheme:
in a rock sample longitudinal and transverse wave measuring probe structure, the improvement is that: the probe comprises a base body and a probe shell which are arranged together, wherein a longitudinal wave wafer and a transverse wave wafer are arranged in a gap between the base body and the probe shell, the longitudinal wave wafer is annular, the annular interior is a transverse wave wafer formed by splicing 4 quarter round wafers, a drainage tube penetrates through the probe shell and extends to a bearing surface of the base body, wires of the longitudinal wave wafer and the transverse wave wafer penetrate through a gap between the probe shell and the drainage tube, an insulating sleeve, an insulating ring and a locking nut are arranged on the probe shell, a connecting piece is sleeved outside the insulating sleeve, and the insulating ring is tightly pressed on the connecting piece by the locking nut.
Further, the base body and the probe shell are connected through threads, and an O-shaped sealing ring is arranged at the joint of the base body and the probe shell.
Furthermore, the basal body and the drainage tube are both made of stainless steel.
Further, a drainage groove communicated with the drainage tube is arranged on the pressure-bearing surface of the basal body.
Further, the longitudinal wave wafer and the transverse wave wafer lie in a single plane.
Further, a matching layer is provided between the longitudinal wave wafer, the transverse wave wafer and the substrate.
Further, the matching layer is made of organic glass.
Furthermore, the longitudinal wave wafer and the transverse wave wafer are adhered and connected with the matching layer and the matrix through high-temperature resistant glue.
Furthermore, the lead adopts a shielding wire, and high temperature resistant glue is filled in a gap between the lead and the probe shell as well as between the lead and the drainage tube.
Furthermore, the insulating sleeve and the insulating ring are made of PEEK materials, and high-temperature resistant insulating glue is added between the probe shell and the insulating sleeve as well as between the probe shell and the insulating ring.
The beneficial effects of the utility model are as follows:
the probe structure disclosed by the utility model integrates the longitudinal wave probe and the transverse wave probe, the transverse wave wafer is circular, and the longitudinal wave wafer is annular, so that the longitudinal wave and the transverse wave can be directly generated, and the detection efficiency is improved; the drainage tube is added into the probe structure, so that the pore pressure of the rock sample can be changed in the testing process, and the drainage slot communicated with the drainage tube is arranged on the bearing surface of the substrate, so that liquid or gas in the drainage tube can be better coupled with the tested rock sample; set up insulating cover and insulating ring between probe casing and connecting piece, probe structure passes through connecting piece and reation kettle body coupling, has guaranteed the insulation of probe casing and reation kettle body when testing for the test effect is better.
Drawings
FIG. 1 is a schematic illustration of the structure of the disclosed probe;
FIG. 2 is a layout of a shear wave wafer and a longitudinal wave wafer in the disclosed probe structure;
FIG. 3 is a schematic view of the structure of the drainage groove of the pressure bearing surface of the substrate in the probe structure disclosed by the utility model.
Reference numerals: 1-substrate, 2-probe shell, 3-transverse wave wafer, 4-longitudinal wave wafer, 5-matching layer, 6-insulating sleeve, 7-connector, 8-insulating ring, 9-lock nut, 10-drainage tube, 11-O-shaped sealing ring, 12-wire and 13-drainage groove.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the probe comprises a base body 1 and a probe shell 2 which are installed together, wherein the base body is made of stainless steel. The base body and the probe shell are connected through threads, and an O-shaped sealing ring 11 is arranged at the joint of the base body and the probe shell for sealing. In the gap between the base body and the probe shell, a longitudinal wave wafer 4 and a transverse wave wafer 3 are arranged, as shown in fig. 2, the longitudinal wave wafer and the transverse wave wafer are positioned on a plane, the longitudinal wave wafer is annular, the annular interior is a transverse wave wafer formed by splicing 4 quarter-round wafers, in order to enable the energy of the longitudinal wave wafer and the transverse wave wafer to be transmitted better, a matching layer 5 is arranged among the longitudinal wave wafer, the transverse wave wafer and the base body, and the matching layer is made of organic glass. The longitudinal wave wafer and the transverse wave wafer are adhered and connected with the matching layer and the matrix through high-temperature resistant glue. After penetrating from the probe shell, the drainage tube 10 passes through the transverse wave wafer and extends to the bearing surface of the substrate, as shown in fig. 3, and a drainage groove 13 communicated with the drainage tube is arranged on the bearing surface of the substrate, and can ensure that the coupling effect of liquid or gas in the drainage tube and a rock sample is better. The drainage tube is made of stainless steel and can bear 30Mpa pressure.
The lead 12 of the longitudinal wave wafer and the transverse wave wafer penetrates from the gap between the probe shell and the drainage tube, the lead adopts a shielding wire resistant to high temperature of 175 ℃, and high temperature resistant glue is filled in the gap between the lead and the probe shell and the drainage tube, so that good sealing is ensured.
In addition, an insulating sleeve 6, an insulating ring 8 and a locking nut 9 are arranged on the probe shell, a connecting piece 7 is sleeved outside the insulating sleeve, and the insulating ring is pressed on the connecting piece by the locking nut. The insulating sleeve and the insulating ring are made of PEEK materials with high strength and good temperature resistance, and in order to enable the connecting piece to be fixed firmly, the locking nut is used for locking, and meanwhile high-temperature resistant insulating glue is added between the probe shell and the insulating sleeve as well as between the probe shell and the insulating ring.
When testing, the probe structure disclosed by the embodiment is connected with the reaction kettle body through the connecting piece, one end of the drainage tube is arranged in the reaction kettle body after passing through the pressure bearing surface of the base body, and the center of the drainage tube is communicated with the drainage groove on the pressure bearing surface of the base body. Because the connecting piece is not contacted with the probe shell, the insulation between the connecting piece and the probe shell is good, and the substrate and the reaction kettle body are also kept insulated.
Claims (10)
1. A rock sample longitudinal and transverse wave measuring probe structure which is characterized in that: the probe comprises a base body and a probe shell which are arranged together, wherein a longitudinal wave wafer and a transverse wave wafer are arranged in a gap between the base body and the probe shell, the longitudinal wave wafer is annular, the annular interior is a transverse wave wafer formed by splicing 4 quarter round wafers, a drainage tube penetrates through the probe shell and extends to a bearing surface of the base body, wires of the longitudinal wave wafer and the transverse wave wafer penetrate through a gap between the probe shell and the drainage tube, an insulating sleeve, an insulating ring and a locking nut are arranged on the probe shell, a connecting piece is sleeved outside the insulating sleeve, and the insulating ring is tightly pressed on the connecting piece by the locking nut.
2. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: the base body is connected with the probe shell through threads, and an O-shaped sealing ring is arranged at the joint of the base body and the probe shell.
3. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: the matrix and the drainage tube are made of stainless steel.
4. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: and a drainage groove communicated with the drainage tube is arranged on the pressure-bearing surface of the basal body.
5. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: the longitudinal wave wafer and the transverse wave wafer lie in a single plane.
6. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: and a matching layer is arranged among the longitudinal wave wafer, the transverse wave wafer and the substrate.
7. The rock sample longitudinal and transverse wave measurement probe structure according to claim 6, wherein: the matching layer is made of organic glass.
8. The rock sample longitudinal and transverse wave measurement probe structure according to claim 6, wherein: the longitudinal wave wafer and the transverse wave wafer are adhered and connected with the matching layer and the matrix through high-temperature resistant glue.
9. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: the lead adopts a shielding wire, and high temperature resistant glue is filled in a gap between the lead and the probe shell and the drainage tube.
10. The rock sample longitudinal and transverse wave measurement probe structure according to claim 1, wherein: the insulating sleeve and the insulating ring are made of PEEK materials, and high-temperature resistant insulating glue is added between the probe shell and the insulating sleeve and between the probe shell and the insulating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325244.6U CN219245455U (en) | 2022-12-12 | 2022-12-12 | Rock sample longitudinal and transverse wave measuring probe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223325244.6U CN219245455U (en) | 2022-12-12 | 2022-12-12 | Rock sample longitudinal and transverse wave measuring probe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219245455U true CN219245455U (en) | 2023-06-23 |
Family
ID=86839819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223325244.6U Active CN219245455U (en) | 2022-12-12 | 2022-12-12 | Rock sample longitudinal and transverse wave measuring probe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219245455U (en) |
-
2022
- 2022-12-12 CN CN202223325244.6U patent/CN219245455U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201110844Y (en) | Rock core vertical and horizontal wave velocity measuring probe | |
| CN110243935A (en) | A kind of GIS epoxy insulation internal flaw ultrasonic detection method and system | |
| CN109959477B (en) | Internal stress ultrasonic longitudinal wave detection method and system for GIS basin-type insulator epoxy test block | |
| WO2021008229A1 (en) | Testing method for non-contact measurement of rock wave velocity in fidelity environment | |
| CN109613119A (en) | A kind of acoustic-electric seeps quasi- triaxial cell and the test method of comprehensive monitoring | |
| CN110487635B (en) | Rapid testing system and method for core resistivity and wave velocity under loading state | |
| CN103267802A (en) | Quick acoustic wave detecting device of natural gas hydrate fidelity core | |
| CN113654702A (en) | Method for detecting residual stress of GIS basin-type insulator | |
| CN219245455U (en) | Rock sample longitudinal and transverse wave measuring probe structure | |
| CN114624098A (en) | Corrosion hydrogen charging dynamic loading tensile test device and method | |
| CN203324108U (en) | Active and passive combined acoustic testing and transfusive testing association system for rock triaxial test | |
| CN205297542U (en) | Well cementation cement bond strength testing arrangement | |
| CN118641320A (en) | Graded true triaxial pressure head for measuring longitudinal and transverse wave velocity | |
| CN101520340B (en) | Penetration soil layer original position elastic wave testing device | |
| CN116256432A (en) | Rock sample longitudinal and transverse wave measuring probe structure | |
| CN113075238B (en) | Microwave water content testing device and method under high-pressure environment | |
| CN104500053A (en) | Compound probe for rock sample testing | |
| CN102996118A (en) | Sound wave logging instrument with sound insulation function | |
| CN209841994U (en) | Positioning device for detecting power cable fault and laying route under sea surface | |
| CN111198399A (en) | Sediment compaction sound velocity anisotropy measuring device | |
| CN207557165U (en) | Realize the working electrode of Deep-sea high voltage water solution system electro-chemical test | |
| CN203414065U (en) | Probe seat apparatus used for measuring thickness of steel tube and applied in ultrasonic-wave rotated diagnostic machine | |
| Patel et al. | Partial discharge detection-an overview | |
| CN104931561A (en) | Electrochemical testing device capable of realizing acoustic emission monitoring under high temperature and high pressure water environment | |
| WO2022252494A1 (en) | Groove pipe device for tunnel surrounding rock internal micro-fracture development characteristics and monitoring method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |