CN101419195A - Fully-coupled dry hole acoustic wave test probe - Google Patents
Fully-coupled dry hole acoustic wave test probe Download PDFInfo
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- CN101419195A CN101419195A CNA2008100489474A CN200810048947A CN101419195A CN 101419195 A CN101419195 A CN 101419195A CN A2008100489474 A CNA2008100489474 A CN A2008100489474A CN 200810048947 A CN200810048947 A CN 200810048947A CN 101419195 A CN101419195 A CN 101419195A
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Abstract
The invention relates to a full coupled test probe for dry hole sound wave, and belongs to the field of nondestructive examination equipment manufacture of engineering. The full coupled test probe for the dry hole sound wave comprises a sound wave probe and a pressurizing water bag, wherein the top at one sealed end of the pressurizing water bag is provided with a vent hole of which the diameter is not more than 1 millimeter. An end part of the sound wave probe is provided with a connecting device; and the pressurizing water bag is sleeved outside the sound wave probe. Air in the pressurizing water bag can be directed exhausted by the vent hole; and the pressurizing water bag is filled with water at the same time to ensure internal coupling between the sound wave probe and the pressurizing water bag. The vent hole at the top of the pressurizing water bag has double uses, namely, after the air is exhausted, the vent hole continuously keeps continuous small amount of spilling water, so as to solve coupling (external coupling) between the outer wall of the pressurizing water bag and the wall of the hole. The test probe realizes full coupling of the sound wave prove, the pressurizing water bag and the wall of the hole so that the tested data are stable and reliable, and meets the requirement of rapid detection.
Description
Technical field
The present invention relates to a kind of fully-coupled dry hole acoustic wave test probe, belong to the engineering non-destructive detecting device and make the field.
Background technology
Sonic test is one of elastic wave method of testing, this method is to launch sound wave with the method for electromagnetic exciting to medium (rock, rock mass, concrete structures), the sound wave of receiver media physical characteristics modulation on certain space length, by observation with analyze parameters,acoustics such as the velocity of propagation of sound wave in different medium, amplitude, frequency, solve the relevant issues in the Geotechnical Engineering.
Sonic detection emission, receiving transducer generally are by hole medium---water, realize and the hole wall good coupling, the application of this technology in dry hole is subjected to very big restriction, in engineering reality, the dry hole that needs to detect often runs into, usually carry out sonic detection because the coupling of sonic probe and hole wall is bad in dry hole, cause sonic detection to be difficult to carry out, this has just greatly limited the scope of this technical method solution engineering problem.For solving this type of problem, Chinese patent publication number ZL2006 2 0163832.6, name is called novel dry hole sonic test probe, it has proposed the method for suit pressure (hydraulic) water capsule outside sonic probe, this method is because in the design, the air that the vent port of this design only limits to satisfy in the water pocket that will pressurize is discharged, thus coupling in only realizing, but fail to solve the coupling (promptly outer coupling) of pressurization water pocket and hole wall, cause the unfavorable result of test effect.
Summary of the invention
At above-mentioned existing problems, the object of the present invention is to provide a kind of can in dry hole, the realization to pop one's head in the sonic test of borehole wall unity couping.
Its technical solution is as follows: fully-coupled dry hole acoustic wave test probe, comprise that sonic probe, pressurization water pocket, coupling arrangement, threeway, pressurization water pocket are cylindric, pressurization water pocket one end is opening-like, the other end is closed, seal the top of an end at the pressurization water pocket, have vent port, the sonic probe end is provided with coupling arrangement, coupling arrangement is provided with intake tunnel and cable passage, and water inlet pipe is connected with intake tunnel on the coupling arrangement by three-way connection.The pressurization water pocket is sleeved on outside the sonic probe, and the openend of pressurization water pocket is positioned on the coupling arrangement and with it and is tightly connected.Open exhaust bore dia ≦ 1mm at pressurization water pocket closure tip.The position that is arranged on the inlet opening on the water inlet pipe places the pressurization water pocket.The pressurization water pocket adopts styrene-butadiene rubber to make.
Owing to adopted above technical scheme, unity couping acoustic detecting head of dry hole of the present invention has the following advantages:
Air in the 1 pressurization water pocket can directly be discharged air by the vent port on the pressurization water pocket, can make simultaneously in the pressurization water pocket to be full of water, and to guarantee the interior coupling between sonic probe and the pressurization water pocket, it has changed the exhaust mode of former sound wave probe from structure.
2 have realized that the hole of vent port on pressurization water pocket top is dual-purpose: after promptly arrange gas, continue to keep continuously spilling water in a small amount, solved the coupling (being coupled) of pressurization water pocket outer wall and hole wall outward.
3 the present invention are at Chinese patent publication number ZL2006 2 0163832.6, name is called on the basis of " novel dry hole sonic test probe ", further solution has solved the coupled problem between sonic probe, pressurization water pocket and the borehole wall comprehensively, thereby realized the unity couping between sonic probe, pressurization water pocket and the borehole wall, thereby make test data reliable and stable, satisfied the requirement of fast detecting simultaneously.
4 because the pressurization water pocket is the aperture overflow, and it can ensure in the hole and the working-yard environment, but using water wisely again.
5 pressurization water pockets adopt styrene-butadiene rubber, and its wearing quality is good, can satisfy high strength continuous working needs.
Description of drawings
Accompanying drawing is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, unity couping acoustic detecting head of dry hole of the present invention is described in further detail.
See accompanying drawing
The unity couping acoustic detecting head of dry hole, it is by pressurization water pocket 3, sonic probe 2, water inlet pipe and coupling arrangement 5 constitute, pressurization water pocket 3 adopts styrene-butadiene rubber to make, pressurization water pocket 3 is cylindric, pressurization water pocket 3 one ends are opening-like, the other end is closed, top at pressurization water pocket 3 sealings one end, have vent port 1, vent port 1 Zhi Jing ≦ 1mm, sonic probe 2 ends are provided with coupling arrangement 5, and coupling arrangement 5 is provided with intake tunnel 4 and cable passage 6, pressurization water pocket 3 is sleeved on outside the sonic probe 2, and the openend of pressurization water pocket 3 is positioned on the coupling arrangement 5 and with it and is tightly connected.Water inlet pipe is connected on the intake tunnel of coupling arrangement 5, cable is connected with sonic probe 2 by the cable passage 6 in the coupling arrangement 5, be provided with packoff between cable and the cable passage 6, pressurization water pocket 3 can utilize self properties of materials to realize and the sealing of sonic probe 2, also can seal pressurization water pocket 3 and sonic probe 2 by add-on device.
Unity couping acoustic detecting head of dry hole 2 principle of work of the present invention:
The sonic probe 2 that is with pressurization water pocket 3 is connected with testing tool by connecting line, the water inlet pipe that will be connected again on the sonic probe 2 is connected with pressure release duct with pedal high-pressure sprayer water delivering orifice respectively by three-way connection, the pedal high-pressure sprayer plays a part pressurization water pocket 3 is pressurizeed and supplies water, the pressure release duct mounted valve, in pressurization water pocket 3, carry current by the pedal high-pressure sprayer, pressurization expansion water pocket makes pressurization water pocket 3 outer walls closely paste hole wall; Under the effect of pedal high-pressure sprayer, the water-filled while is got rid of the air that pressurization produces in the pressurization water pocket 3 automatically in the pressurization water pocket 3, a spot of water serves as couplant by vent port 1 slow being seeped on pressurization water pocket 3 outer walls between hole wall and pressurization water pocket 3 outer walls simultaneously.A kind of environment that is similar to couplant (as water) of local creation in dry hole.When hydraulic pressure was suitable, pressurization water pocket 3 was fully adherent.By observe receiving the acoustic signals that produces through the hole wall modulation, its waveform Mintrop wave is clear, and take-off is clear-cut, can satisfy fully on-the-spot accurately, the requirement of fast detecting.
After a check point detection finished, the water body snap-out release with in the pressurization water pocket 3 made the unity couping acoustic detecting head of dry hole separate and move to down a bit with hole wall and detects.When discharging hydraulic pressure, stop pressurization, open the release pipeline valve.Current when discharging hydraulic pressure are connected to water butt by flexible pipe, flow into the pedal high-pressure sprayer again, and are recycling.
Claims (4)
1 fully-coupled dry hole acoustic wave test probe, comprise sonic probe, pressurization water pocket, it is characterized in that: pressurization water pocket (3) is cylindric, pressurization water pocket (3) one ends are opening-like, the other end is closed, top at pressurization water pocket (3) sealing one end, have vent port (1), sonic probe (2) end is provided with coupling arrangement (5), be provided with intake tunnel (4) and cable passage (6) in the coupling arrangement (5), pressurization water pocket (3) is sleeved on outside the sonic probe (2), and the openend of pressurization water pocket (3) is positioned at coupling arrangement (5) and upward and with it is tightly connected.
2 fully-coupled dry hole acoustic wave test probes as claimed in claim 1 is characterized in that: the straight footpath ≦ 1mm of vent port (1) that opens at pressurization water pocket (3) closure tip.
3 fully-coupled dry hole acoustic wave test probes as claimed in claim 1 is characterized in that: water inlet pipe is connected with intake tunnel (4) on the coupling arrangement (5) by three-way connection.
4 fully-coupled dry hole acoustic wave test probes as claimed in claim 1, the water pocket (3) that it is characterized in that pressurizeing adopt styrene-butadiene rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100489474A CN101419195B (en) | 2008-08-22 | 2008-08-22 | Fully-coupled dry hole acoustic wave test probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100489474A CN101419195B (en) | 2008-08-22 | 2008-08-22 | Fully-coupled dry hole acoustic wave test probe |
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| CN101419195A true CN101419195A (en) | 2009-04-29 |
| CN101419195B CN101419195B (en) | 2011-05-11 |
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| CN2008100489474A Active CN101419195B (en) | 2008-08-22 | 2008-08-22 | Fully-coupled dry hole acoustic wave test probe |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782554A (en) * | 2010-02-26 | 2010-07-21 | 中国水电顾问集团华东勘测设计研究院 | Full-split single pore sound wave test device and debugging method thereof |
| CN102928516A (en) * | 2012-10-23 | 2013-02-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Ultrasonic probe water sac for detecting composite material parts |
| CN101769150B (en) * | 2010-02-02 | 2013-10-16 | 长江工程地球物理勘测武汉有限公司 | Downhole ejector rod with quick-change connectors for sound wave (television) logging instrument |
| CN104278983A (en) * | 2014-09-30 | 2015-01-14 | 中国电建集团西北勘测设计研究院有限公司 | Coupling device for sound-wave all-around testing dry hole probe |
| CN104713950A (en) * | 2015-03-31 | 2015-06-17 | 中国科学院武汉岩土力学研究所 | Acoustic wave test coupling device and test method thereof |
| CN105467014A (en) * | 2015-12-31 | 2016-04-06 | 中国科学院武汉岩土力学研究所 | Device and method for automatically testing loose circle of surrounding rock in dry hole |
| CN106094013A (en) * | 2016-08-25 | 2016-11-09 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of dry hole sound wave constant voltage water spray coupling deep hole test device |
| CN110361449A (en) * | 2019-07-18 | 2019-10-22 | 湖北三江航天江北机械工程有限公司 | Variable cross-section engine jet pipe ultrasonic detecting probe and detection method |
| CN110700819A (en) * | 2019-10-12 | 2020-01-17 | 重庆市市政设计研究院 | Anhydrous drilling sound wave detection and water pressure test integrated device |
| CN114994747A (en) * | 2022-07-07 | 2022-09-02 | 中国电建集团西北勘测设计研究院有限公司 | Gravity type dry hole sound wave probe |
-
2008
- 2008-08-22 CN CN2008100489474A patent/CN101419195B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769150B (en) * | 2010-02-02 | 2013-10-16 | 长江工程地球物理勘测武汉有限公司 | Downhole ejector rod with quick-change connectors for sound wave (television) logging instrument |
| CN101782554A (en) * | 2010-02-26 | 2010-07-21 | 中国水电顾问集团华东勘测设计研究院 | Full-split single pore sound wave test device and debugging method thereof |
| CN102928516A (en) * | 2012-10-23 | 2013-02-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Ultrasonic probe water sac for detecting composite material parts |
| CN104278983A (en) * | 2014-09-30 | 2015-01-14 | 中国电建集团西北勘测设计研究院有限公司 | Coupling device for sound-wave all-around testing dry hole probe |
| CN104713950A (en) * | 2015-03-31 | 2015-06-17 | 中国科学院武汉岩土力学研究所 | Acoustic wave test coupling device and test method thereof |
| CN104713950B (en) * | 2015-03-31 | 2017-11-14 | 中国科学院武汉岩土力学研究所 | Sonic test coupling device and method of testing |
| CN105467014A (en) * | 2015-12-31 | 2016-04-06 | 中国科学院武汉岩土力学研究所 | Device and method for automatically testing loose circle of surrounding rock in dry hole |
| CN106094013A (en) * | 2016-08-25 | 2016-11-09 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of dry hole sound wave constant voltage water spray coupling deep hole test device |
| CN110361449A (en) * | 2019-07-18 | 2019-10-22 | 湖北三江航天江北机械工程有限公司 | Variable cross-section engine jet pipe ultrasonic detecting probe and detection method |
| CN110700819A (en) * | 2019-10-12 | 2020-01-17 | 重庆市市政设计研究院 | Anhydrous drilling sound wave detection and water pressure test integrated device |
| CN110700819B (en) * | 2019-10-12 | 2023-08-18 | 重庆市市政设计研究院 | Anhydrous drilling sound wave detection and pressurized water test integrated device |
| CN114994747A (en) * | 2022-07-07 | 2022-09-02 | 中国电建集团西北勘测设计研究院有限公司 | Gravity type dry hole sound wave probe |
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| CN101419195B (en) | 2011-05-11 |
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Address after: 430010 Yangtze River Water Conservancy Commission Design Building 2206, 1863 Jiefang Avenue, Wuhan City, Hubei Province Patentee after: Changjiang Geophysical Exploration & Testing (Wuhan) Co.,Ltd. Address before: 430010 Hubei city of Wuhan province Zhao Jiang'an District No. 27 Patentee before: CHANGJIANG ENGINEERING GEOPHYSICAL SURVEY WUHAN Co.,Ltd. |
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