CN208255144U - A kind of online nondestructive monitoring device in obturation hole crack - Google Patents
A kind of online nondestructive monitoring device in obturation hole crack Download PDFInfo
- Publication number
- CN208255144U CN208255144U CN201820441429.8U CN201820441429U CN208255144U CN 208255144 U CN208255144 U CN 208255144U CN 201820441429 U CN201820441429 U CN 201820441429U CN 208255144 U CN208255144 U CN 208255144U
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- Prior art keywords
- obturation
- converter
- energy converter
- monitoring device
- signal
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of pair of online nondestructive monitoring devices in obturation hole crack, belong to coal mine, metal mine monitoring device field.A kind of online nondestructive monitoring device in obturation hole crack, main body include a pair of of sound detecting pipe, power amplifier, gain amplifier, power supply, A/D converter, D/A converter and computer, and transmitting transducer is respectively provided in a pair of of sound detecting pipe and receives energy converter.The electric impulse signal of input is converted to acoustical signal by transmitting transducer to radiate to obturation, acoustical signal is captured after transmiting obturation by reception energy converter, and signal is finally transferred to computer and is handled.Sound wave transmission method is applied in obturation internal void cranny development monitoring process, can intuitively reflect the testing result of obturation structure monitoring section.The device has certain directive significance to the development of research obturation hole crack and its stability.
Description
Technical field
The utility model relates to belong to coal mine, metal mine monitoring device field, and in particular to a kind of pair of obturation hole
The online nondestructive monitoring device in crack.
Background technique
In filling and injecting slurry solidification process, the internal flaws such as interlayer, cavity, isolation can be generated, in the phase of obturation and country rock
During interaction, defect can further develop again, will cause influence to strength of filling mass characteristic.
Commonly predominantly detecting means to obturation at present includes: that live coring analysis, filling body stress and deformation are online
Monitoring and borehole television are pried through, these methods presently, there are take a long time, larger workload, the problems such as monitoring accuracy is low, and
The development characteristics in obturation internal void crack cannot be intuitively reflected, therefore, it is online to seek a kind of obturation hole crack
Nondestructive monitoring device can provide theoretical foundation for the strength development of obturation.
Utility model content
In order to solve above-mentioned problems of the prior art, the utility model proposes a kind of obturation hole cracks to exist
Line nondestructive monitoring device when the device is propagated in obturation using ultrasonic wave, such as encounters cavity, crack or isolation, then
Some parameters of wave can change.The calculating for the signal for receiving wave distortion is analyzed by computer, determines obturation
Hole fractured zones developmental condition.
Its technical solution includes:
The online nondestructive monitoring device in a kind of obturation hole crack comprising a pair of of sound detecting pipe, power amplifier, gain are put
Big device, power supply, A/D converter, D/A converter, computer and auxiliary installation fitting, fill respectively in a pair of of sound detecting pipe
There is transmitting transducer and receives energy converter；
Assisting installation fitting includes clip, earth anchor, reinforcing bar and steel plate；
Digital signal is issued by the computer and supplies the power amplifier through the D/A converter, then by the output
Signal supplies the transmitting transducer, and the electric impulse signal of input is converted to acoustical signal by the transmitting transducer, the acoustical signal
Obturation, which is penetrated, by oil liquid coupling reaches the reception energy converter；
The reception energy converter is amplified received signal by the gain amplifier, and is converted by the A/D
Device gives the computer, and the computer is used to record measured value, will emit signal and receives storage among signal cooperation progress
It deposits and numerical Analysis.
Further, each sound detecting pipe is all made of metal material, and the oils full of mobility is described as couplant in pipe
The bottom of sound detecting pipe is closed, and nozzle is provided with lid, and two sound detecting pipes are symmetrical and are parallel to each other pre-arranged in fill area, instead
To use the clip lock ring on the inside of the reinforcing bar.
Further, the reinforcing bar is vertically fixed on bottom plate side by way of making earth anchor, when bottom plate out-of-flatness, institute
It states reinforcing bar to be first fixed on the steel plate, then the steel plate is placed on bottom plate.
Further, the transmitting transducer and the reception energy converter are to be changed using loop type made of piezoelectric material
Energy device, the transmitting transducer and reception energy converter can be in the sound detecting pipes with the same drop of liter.
Advantageous effects brought by the utility model:
The online nondestructive monitoring device in the utility model kind obturation hole crack, sound wave transmission method is applied in obturation
In hole cranny development monitoring process, the top-down detection to obturation structure monitoring section, obturation structure are realized
The problems such as happening part in uniformity and its hole crack, development degree can intuitively reflect by testing result, and to obturation
Integrality influence degree it is low, to obturation hole cranny development research have certain directive significance.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is the online nondestructive monitoring device schematic diagram of sounding pipe mounting structure and obturation hole crack；
Fig. 2 is ground pilework schematic top plan view；
Fig. 3 is ground pile A-A diagrammatic cross-section；
In figure, 1, the sound detecting pipe of transmitting transducer is installed, 2, the sound detecting pipe for receiving energy converter, 3, power amplification are installed
Device, 4, A/D converter, 5, power supply, 6, D/A converter, 7, gain amplifier, 8, computer, 9, clip, 10, earth anchor, 11, hair
Penetrate energy converter, 12, reception energy converter, 13, reinforcing bar, 14, steel plate.
Specific embodiment
The utility model proposes a kind of online nondestructive monitoring devices in obturation hole crack, in order to make the utility model
Advantage, technical solution are clearer, clear, With reference to embodiment, are described further to the utility model.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, a kind of online nondestructive monitoring device in obturation hole crack, main body includes being equipped with
The sound detecting pipe 1 of transmitting transducer 11 and sound detecting pipe 2, power amplifier 3, A/D converter 4, the electricity for being equipped with reception energy converter 12
Source 5, D/A converter 6, gain amplifier 7 and computer 8, auxiliary installation fitting includes clip 9, earth anchor 10, reinforcing bar 13 and steel
Plate 14.
A pair of of sound detecting pipe is symmetrical and is parallel to each other pre-arranged in fill area, tube spacing 2.5m, reversed using clip 9
Lock ring is in reinforcing bar 13 inside fixed using earth anchor 10, to prevent pipe shaft from the feelings such as bending or flattening during filling and injecting slurry
Condition.The closing of sounding bottom of the tube, top is sealed using plastic lid.
Reinforcing bar 13 is vertically fixed on bottom plate side by ground pile, and when bottom plate out-of-flatness, reinforcing bar need to be first fixed on to steel plate 14
On, then steel plate 14 is placed on bottom plate.
Transmitting transducer 11 and the cable for receiving 12 synchronous slide of energy converter and signal transmission cable are controlled from sounding
It is drawn at tube top end closure, controlling cable and computer 8 are direct-connected, and transmitting transducer signal transmission cable and power amplifier 3 connect
It connects, receives transducer signal transmission line and connect with gain amplifier 7, cable is placed in PVC cable protection pipe, and PVC cable is protected
Pillar is embedded in bottom plate side.
Digital signal is issued by computer 8 and supplies power amplifier 3 through D/A converter 6, then the output signal is supplied and is sent out
Energy converter 11 is penetrated, the electric impulse signal of input is converted to acoustical signal and radiated to obturation by transmitting transducer 11, and acoustical signal is being filled
Internal propagation is filled out, is captured after transmiting obturation by reception energy converter 12, and is counted from the signal for receiving energy converter 12 by one
The gain amplifier 7 that calculation machine 8 drives amplifies, and is transferred to computer 8 by A/D converter 4.
Computer 8, which recorded, summarizes data, Drawing of Curve, image the work such as shows, prints, and provides analytical table, high
Reappear to precision obturation internal void cranny development state.
The part that do not address in the utility model uses or uses for reference prior art and can be realized.
Although herein more has used transmitting transducer, received the terms such as energy converter, use is not precluded
A possibility that other terms, the simple replacement that those skilled in the art do these terms under the enlightenment of the utility model,
Within should be covered by the scope of the present utility model.
Claims (4)
1. a kind of online nondestructive monitoring device in obturation hole crack comprising power amplifier, gain amplifier, power supply, A/D
Converter, D/A converter, computer, auxiliary installation fitting and a pair of of sound detecting pipe, it is characterised in that:
It is respectively provided with transmitting transducer in a pair of of sound detecting pipe and receives energy converter；
Assisting installation fitting includes clip, earth anchor, reinforcing bar and steel plate；
Digital signal is issued by the computer and supplies the power amplifier through the D/A converter, then by the power amplification
The output signal that device obtains supplies the transmitting transducer, and the electric impulse signal of input is converted to sound by the transmitting transducer to be believed
Number, which penetrates obturation by oil liquid coupling and reaches the reception energy converter；
The reception energy converter is amplified received signal by the gain amplifier, and is sent by the A/D converter
To the computer, the computer be used to record measured value, will transmitting signal and receive signal cooperation carry out intermediate storage and
Numerical Analysis.
2. a kind of online nondestructive monitoring device in obturation hole crack according to claim 1, it is characterised in that: Mei Gesheng
Test tube is all made of metal material, and the oils full of mobility is closed as couplant, the bottom of the sound detecting pipe in pipe, and nozzle is set
It is equipped with lid, two sound detecting pipes are symmetrical and are parallel to each other pre-arranged in fill area, reversely using the clip lock ring in steel
On the inside of muscle.
3. a kind of online nondestructive monitoring device in obturation hole crack according to claim 1, it is characterised in that: the steel
Muscle is vertically fixed on bottom plate side by way of making earth anchor, and when bottom plate out-of-flatness, the reinforcing bar is first fixed on the steel plate
On, then the steel plate is placed on bottom plate.
4. a kind of online nondestructive monitoring device in obturation hole crack according to claim 1, it is characterised in that: the hair
Penetrate energy converter and the receptions energy converter be using loop type energy converter made of piezoelectric material, the transmitting transducer with connect
Receiving energy converter can be in the sound detecting pipe with the same drop of liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441429.8U CN208255144U (en) | 2018-03-30 | 2018-03-30 | A kind of online nondestructive monitoring device in obturation hole crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441429.8U CN208255144U (en) | 2018-03-30 | 2018-03-30 | A kind of online nondestructive monitoring device in obturation hole crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255144U true CN208255144U (en) | 2018-12-18 |
Family
ID=64639620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820441429.8U Expired - Fee Related CN208255144U (en) | 2018-03-30 | 2018-03-30 | A kind of online nondestructive monitoring device in obturation hole crack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255144U (en) |
-
2018
- 2018-03-30 CN CN201820441429.8U patent/CN208255144U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20190330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |