CN206906273U - A kind of Shock stress Wave detecting system - Google Patents
A kind of Shock stress Wave detecting system Download PDFInfo
- Publication number
- CN206906273U CN206906273U CN201720653318.9U CN201720653318U CN206906273U CN 206906273 U CN206906273 U CN 206906273U CN 201720653318 U CN201720653318 U CN 201720653318U CN 206906273 U CN206906273 U CN 206906273U
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- Prior art keywords
- stress wave
- support body
- shock stress
- flexible connector
- impulse source
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a kind of Shock stress Wave detecting system.The system includes：Impact frame, impulse source, Flexible Connector, surface probe and collection analysis equipment；Impact frame includes：Support body and support bar；Support bar is fixedly connected through support rod through-hole with support body；Impulse source attack space is provided with the middle part of support body, the inwall of support body is provided with fixator；The middle part of Flexible Connector is fixedly connected through the through hole on impulse source with impulse source；The both ends of Flexible Connector are connected with the fixator of support body respectively；Surface probe is arranged on around the impact frame, and its one end abuts with the surface of testing medium, and its other end and collection analysis equipment connect, during surface for hitting testing medium when impulse source, measurement Shock stress Wave data, and it is sent to collection analysis equipment；Collection analysis equipment, for analyzing the Shock stress Wave data received, obtain analysis result.The accuracy and accuracy of defects detection can be effectively improved using the utility model.
Description
Technical field
The application is related to technical field of nondestructive testing, more particularly to a kind of Shock stress Wave detecting system.
Background technology
Shock stress Wave detection technique is one emerging technology of field of non destructive testing, is characterized in simple to operate, consumption
Energy is small, and use range is wide.Shock stress Wave detection technique has been widely used in concrete nondestructive testing, nondestructive quality detection of pile foundation
Field.
But impact stress wave detecting method of the prior art also has some defects, for example, stress wave occurring source produces
Raw stress wave directive property is bad, and the waveform that signal acquiring system obtains is not accurate enough, therefore the standard of its final testing result
True property and accuracy be not high.
Utility model content
In view of this, the utility model provides a kind of Shock stress Wave detecting system, scarce so as to effectively improve
Fall into the accuracy and accuracy of detection.
What the technical solution of the utility model was specifically realized in：
A kind of Shock stress Wave detecting system, the system include：Impact frame, impulse source, Flexible Connector, one or more
Surface probe and collection analysis equipment；
The impact frame includes：Support body and support bar；The support rod through-hole passed through for support bar is provided with the support body；
The support bar is fixedly connected through the support rod through-hole with the support body；The bottom of the support bar and the table of testing medium
Face abuts；The impulse source attack space passed through for the impulse source and Flexible Connector is provided with the middle part of the support body, it is described
The opposite sides of the inwall of support body is respectively arranged with fixator；
The through hole passed through for Flexible Connector is provided with the impulse source；
The middle part of the Flexible Connector is fixedly connected through the through hole with the impulse source；The Flexible Connector
Fixator of the both ends respectively with the inwall of the support body is connected；
The surface probe is arranged on around the impact frame, the table of described surface probe one end and testing medium
Face is abutted, and its other end is connected with the collection analysis equipment；The surface probe is used to work as what is be connected with Flexible Connector
When impulse source hits the surface of testing medium, Shock stress Wave data are measured, and obtained Shock stress Wave data hair will be measured
Give the collection analysis equipment；
The collection analysis equipment, for analyzing the Shock stress Wave data received, obtain analysis result.
Preferably, one end away from Flexible Connector passes through the support body on the fixator, pass through regulating bolt and institute
Support body is stated to be fixedly connected；The regulating bolt adjusted by movement in the horizontal direction connected Flexible Connector by
Range degree.
Preferably, the fixator be provided with the junction of the connector it is hook-shaped for what is be fixedly connected with connector
Structure.
Preferably, the end set of one end that the support bar is connected with support body has screw thread, and consolidated by nut and support body
Fixed connection.
Preferably, the collection analysis equipment still further comprises：Vasculum and analyzer；
The vasculum, for receiving Shock stress Wave data from the surface probe, and should by the impact received
Reeb data are sent to the analyzer；
The analyzer, for the Shock stress Wave received data to be shown by time-domain curve, and by fast
Time-domain curve is transformed to frequency curve by fast Fourier transformation, and the thickness of testing medium and the ripple of Shock stress Wave is calculated
Speed；It can be additionally used in the parameter for receiving user's input.
Preferably, usb data capture card is provided with the vasculum；
The usb data capture card is connected with the surface probe, and is connected by USB interface with analyzer, is used for
Shock stress Wave data are received from the surface probe, and the Shock stress Wave data received are sent to the analysis
Device.
Preferably, the surface probe is acceleration transducer or displacement transducer.
Preferably, the impulse source is steel ball, a diameter of 2~10 millimeters of the steel ball；
The Flexible Connector is rubber band.
Preferably, the impact frame is made using stainless steel material.
As above it is visible, in the Shock stress Wave detecting system in the utility model, due to impulse source is arranged on into impact
The middle part of frame, and be connected impulse source with impact frame by Flexible Connector, therefore, needing to carry out Shock stress Wave detection
When, impulse source can hit the surface (instantaneous single contact) of testing medium rapidly under the drive of Flexible Connector, in medium
Inside produces Shock stress Wave, and stress wave after multiple reflections, will gradually decay, and surface probe will measure obtained impact
Stress wave is sent to after the collection analysis equipment, and collection analysis equipment can be divided according to the Shock stress Wave received
Analysis, obtains analysis result, the information such as particular location, size the defects of so as to detect media interior, and can have
Effect ground improves the accuracy and accuracy of defects detection, can be widely applied to detection the defects of to media interior.Moreover,
Shock stress Wave detecting system in the utility model is simple in construction, Simple portable, and directive property is good.
Brief description of the drawings
Fig. 1 is overall structure and the operation principle signal of the Shock stress Wave detecting system in the utility model embodiment
Figure.
Fig. 2 is the top view of the impact frame in the utility model embodiment.
Fig. 3 is the side view of the impact frame in the utility model embodiment.
Embodiment
For the technical solution of the utility model and advantage is more clearly understood, below in conjunction with drawings and the specific embodiments,
The utility model is described in further detail.
Fig. 1 is overall structure and the operation principle signal of the Shock stress Wave detecting system in the utility model embodiment
Figure.Fig. 2 is the top view of the impact frame in the utility model embodiment.Fig. 3 is the impact frame in the utility model embodiment
Side view.As shown in FIG. 1 to 3, the Shock stress Wave detecting system in the utility model embodiment includes：Impact frame 11, punching
Hit source 12, Flexible Connector 13, one or more surface probes 14 and collection analysis equipment 15；
The impact frame 11 includes：Support body 111 and support bar 112；It is provided with the support body 111 logical for support bar 112
The support rod through-hole 113 crossed；The support bar 112 is fixedly connected through the support rod through-hole 113 with the support body 111；Institute
The bottom for stating support bar 112 abuts with the surface of testing medium 10；The middle part of the support body 111 is provided with for the impulse source 12
The impulse source attack space 114 passed through with Flexible Connector 13, the opposite sides of the inwall of the support body 111 are respectively arranged with admittedly
Determine device 115；
The through hole passed through for Flexible Connector 13 is provided with the impulse source 12；
The middle part of the Flexible Connector 13 is fixedly connected through the through hole with the impulse source 12；The elastic connection
Fixator 115 of the both ends of part 13 respectively with the inwall of the support body 111 is connected；
The surface probe 14 be arranged on it is described impact frame 11 around, described one end of surface probe 14 with it is to be measured
The surface of medium 10 is abutted, and its other end is connected with the collection analysis equipment 15；The surface probe 14 is used to work as and bullet
Property the impulse source 12 that connects of connector 13 when hitting the surface of testing medium 10, measure Shock stress Wave data, and will measure
To Shock stress Wave data be sent to the collection analysis equipment 15；
The collection analysis equipment 15, for analyzing the Shock stress Wave data received, obtain analysis result.
In above-mentioned Shock stress Wave detecting system of the present utility model, due to impulse source is arranged in impact frame
Portion, and be connected impulse source with impact frame by Flexible Connector, therefore, can when needing to carry out Shock stress Wave detection
First to pull impulse source so that the remote impact frame (for example, pulling up impulse source, and being drawn to predetermined altitude) of impulse source, when
When being drawn to a certain precalculated position, impulse source is discharged so that impulse source hits rapidly Jie to be measured under the drive of Flexible Connector
The surface (instantaneous single contact) of matter, so as to produce Shock stress Wave in media interior.Because the spread speed of compressional wave is most fast, meet
It can be reflected first during to the defects of media interior, back wave will be anti-to media interior direction again after reaching dielectric surface
Penetrate, stress wave after multiple reflections, will gradually decay.Surface probe is after this ripple reflected repeatedly is received, by shape
Into a cycle signal, the cycle of the periodic signal is relevant with the depth of defect, and depth more large period is longer.Surface probe is surveyed
The Shock stress Wave measured is sent to after the collection analysis equipment, and collection analysis equipment can be according to the impact received
Stress wave is analyzed, and obtains analysis result, the letter such as particular location, size the defects of so as to detect media interior
Breath.
In addition, preferably, in a specific embodiment of the present utility model, the impulse source can be steel ball, described
A diameter of 2~10 millimeters (mm) of steel ball.
In addition, preferably, in a specific embodiment of the present utility model, the Flexible Connector can be rubber band,
Can also be other flexible Flexible Connectors.
In addition, preferably, in a specific embodiment of the present utility model, connect on the fixator 115 away from elasticity
One end of fitting passes through the support body 111, is fixedly connected by regulating bolt 116 with the support body 111；The regulating bolt
116 can adjust the stress degree of connected Flexible Connector 13 (for example, can rotate by movement in the horizontal direction
Regulating bolt, to adjust the tight degree of connected rubber band).
In addition, preferably, in a specific embodiment of the present utility model, one end of the fixator passes through welding etc.
Mode is fixedly connected with the regulating bolt.
In addition, preferably, in a specific embodiment of the present utility model, the company of the fixator and the connector
The place of connecing is provided with the hook formation for being fixedly connected with connector, consequently facilitating being connected with the Flexible Connector.
In addition, preferably, in a specific embodiment of the present utility model, one end that the support bar is connected with support body
End set have screw thread, and be fixedly connected by nut with support body.Therefore, after support bar is passed through into support rod through-hole,
The threaded portion that support body upper and lower sides can be located in the body of rod is fixed with nut respectively.Hence in so as to different medium knots
When structure is detected, the length of support bar stretching can be adjusted by way of rotating above-mentioned nut, it is whole so as to easily adjust
The height of individual impact frame.
In addition, preferably, in a specific embodiment of the present utility model, the surface probe can be sensitivity
Acceleration transducer or displacement transducer high, signal to noise ratio is high.
In addition, preferably, in a specific embodiment of the present utility model, the collection analysis equipment can also enter one
Step includes：Vasculum and analyzer；
The vasculum, for receiving Shock stress Wave data from the surface probe, and should by the impact received
Reeb data are sent to the analyzer；
The analyzer, for the Shock stress Wave received data to be shown by time-domain curve, and by fast
Time-domain curve is transformed to frequency curve by fast Fourier transformation, and the thickness of testing medium and the ripple of Shock stress Wave is calculated
Speed；It can be additionally used in the parameter for receiving user's input.
In addition, preferably, in a specific embodiment of the present utility model, usb data is provided with the vasculum
Capture card, the usb data capture card is connected with the surface probe, and is connected by USB interface with analyzer, is used for
Shock stress Wave data are received from the surface probe, and the Shock stress Wave data received are sent to the analysis
Device.
In the technical solution of the utility model, the detection range of above-mentioned Shock stress Wave detecting system can be 100
~10000 millimeters (mm), you can detect the defects of testing medium internal depth is 100~10000mm, the reflection formed
The frequency range of ripple is 5~100kHz, and sample frequency can be (corresponding in 200kHz (the defects of corresponding to 50mm depths) and 10kHz
In the 1000mm depths the defects of) between arbitrarily select.In addition, preferably, in the technical solution of the utility model, in order that collection
The data signal arrived is smooth, can also preset highest sample frequency and be not less than 400kHz.
In addition, preferably, in a specific embodiment of the present utility model, the impact frame can use stainless steel
Material is made, and can also use other metal materials with enough rigidity, and does surface anti-corrosion processing.
In summary, in the technical solution of the utility model, due to impulse source to be arranged on to the middle part of impact frame, and
Impulse source is connected with impact frame by Flexible Connector, therefore, when needing to carry out Shock stress Wave detection, can first be pulled
Impulse source so that impulse source, when being drawn to a certain precalculated position, discharges impulse source so that impulse source is in bullet away from impact frame
Property connector drive under the rapid surface (instantaneous single contact) for hitting testing medium, produce impact stress in media interior
Ripple, it can reflect during the defects of running into media interior, back wave will be anti-to media interior direction again after reaching dielectric surface
Penetrate, stress wave after multiple reflections, will gradually decay；Surface probe is after the above-mentioned ripple reflected repeatedly is received, by shape
Into a cycle signal, the cycle of the periodic signal is relevant with the depth of defect, and depth more large period is longer.Surface probe will
Measure obtained Shock stress Wave to be sent to after the collection analysis equipment, collection analysis equipment can rush according to what is received
Hit stress wave to be analyzed, obtain analysis result, the letter such as particular location, size the defects of so as to detect media interior
Breath, and the accuracy and accuracy of defects detection can be effectively improved, it can be widely applied to lack media interior
Sunken detection.Moreover, the Shock stress Wave detecting system in the utility model is simple in construction, Simple portable, directive property is good.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc., the utility model should be included in
Within the scope of protection.
Claims (9)
1. a kind of Shock stress Wave detecting system, it is characterised in that the system includes：Impact frame, impulse source, Flexible Connector,
One or more surface probe and collection analysis equipment；
The impact frame includes：Support body and support bar；The support rod through-hole passed through for support bar is provided with the support body；It is described
Support bar is fixedly connected through the support rod through-hole with the support body；The bottom of the support bar and the surface of testing medium are supported
Connect；The impulse source attack space passed through for the impulse source and Flexible Connector, the support body are provided with the middle part of the support body
The opposite sides of inwall be respectively arranged with fixator；
The through hole passed through for Flexible Connector is provided with the impulse source；
The middle part of the Flexible Connector is fixedly connected through the through hole with the impulse source；The both ends of the Flexible Connector
The fixator with the inwall of the support body is connected respectively；
The surface probe is arranged on around the impact frame, and the surface of described surface probe one end and testing medium is supported
Connect, its other end is connected with the collection analysis equipment；The surface probe is used for when the impact being connected with Flexible Connector
When the surface of testing medium is hit in source, Shock stress Wave data are measured, and the Shock stress Wave data that measurement is obtained are sent to
The collection analysis equipment；
The collection analysis equipment, for analyzing the Shock stress Wave data received, obtain analysis result.
2. system according to claim 1, it is characterised in that：
One end away from Flexible Connector passes through the support body on the fixator, is fixed and connected by regulating bolt and the support body
Connect；The regulating bolt adjusts the stress degree of connected Flexible Connector by movement in the horizontal direction.
3. system according to claim 2, it is characterised in that：
The fixator is provided with the hook formation for being fixedly connected with connector with the junction of the connector.
4. system according to claim 1, it is characterised in that：
The end set of one end that the support bar is connected with support body has screw thread, and is fixedly connected by nut with support body.
5. system according to claim 1, it is characterised in that the collection analysis equipment still further comprises：Vasculum
And analyzer；
The vasculum, for receiving Shock stress Wave data, and the Shock stress Wave that will be received from the surface probe
Data are sent to the analyzer；
The analyzer, for the Shock stress Wave received data to be shown by time-domain curve, and pass through quick Fu
In leaf transformation time-domain curve is transformed to frequency curve, the thickness of testing medium and the velocity of wave of Shock stress Wave is calculated；Also
Available for the parameter for receiving user's input.
6. system according to claim 5, it is characterised in that：
Usb data capture card is provided with the vasculum；
The usb data capture card is connected with the surface probe, and is connected by USB interface with analyzer, for from institute
State surface probe and receive Shock stress Wave data, and the Shock stress Wave data received are sent to the analyzer.
7. system according to claim 1, it is characterised in that：
The surface probe is acceleration transducer or displacement transducer.
8. system according to claim 1, it is characterised in that：
The impulse source is steel ball, a diameter of 2~10 millimeters of the steel ball；
The Flexible Connector is rubber band.
9. system according to claim 1, it is characterised in that：
The impact frame is made using stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653318.9U CN206906273U (en) | 2017-06-06 | 2017-06-06 | A kind of Shock stress Wave detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653318.9U CN206906273U (en) | 2017-06-06 | 2017-06-06 | A kind of Shock stress Wave detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN206906273U true CN206906273U (en) | 2018-01-19 |
Family
ID=61287073
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653318.9U Withdrawn - After Issue CN206906273U (en) | 2017-06-06 | 2017-06-06 | A kind of Shock stress Wave detecting system |
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| CN (1) | CN206906273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703161A (en) * | 2017-06-06 | 2018-02-16 | 中冶建筑研究总院有限公司 | A kind of Shock stress Wave detecting system |
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2017
- 2017-06-06 CN CN201720653318.9U patent/CN206906273U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703161A (en) * | 2017-06-06 | 2018-02-16 | 中冶建筑研究总院有限公司 | A kind of Shock stress Wave detecting system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180119 Effective date of abandoning: 20201201 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180119 Effective date of abandoning: 20201201 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |