CN206804593U - A kind of contactless vacant analysis device - Google Patents
A kind of contactless vacant analysis device Download PDFInfo
- Publication number
- CN206804593U CN206804593U CN201720486897.2U CN201720486897U CN206804593U CN 206804593 U CN206804593 U CN 206804593U CN 201720486897 U CN201720486897 U CN 201720486897U CN 206804593 U CN206804593 U CN 206804593U
- Authority
- CN
- China
- Prior art keywords
- sound wave
- computer
- analysis device
- wave
- contactless
- 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
Abstract
The utility model discloses a kind of contactless vacant analysis device, including detection device, sound wave retracting device and signal analysis device, sound wave retracting device to be connected with signal analysis device；Detection device detects sound wave and forms supersonic guide-wave through being propagated in track plates, supersonic guide-wave is converted into acoustic signals and exported to signal analysis device by sound wave retracting device recovery supersonic guide-wave, sound wave retracting device to the track plates output detection sound wave of high-speed railway；Signal analysis device is analyzed acoustic signals, and obtains the position of coming to nothing of track plates.The advantages of the utility model and beneficial effect are：The detection efficiency of contactless vacant analysis device is improved, reduces testing cost；It intuitively can accurately judge the position of coming to nothing of track plates；The fatigue strength of staff is reduced, and also eliminates risk of the site operation personnel by radiation such as the electromagnetic waves of high-speed railway.
Description
Technical field
Detection field is the utility model is related to, more particularly to a kind of contactless vacant analysis device.
Background technology
China is combined by original innovation, integrated innovation and assimilating advanced foreign technologies and further refine them, independent research CRTSIII
The new nothing of type how track plates, and be successfully applied to military yellow intercity high speed with into filling intercity high speed.Non-fragment orbit, which eliminates tradition, to be had
The sleeper and railway roadbed of tiny fragments of stone, coal, etc. track, using the prefabricated direct supporting rail of armoured concrete slab, and between top plate and soleplate
CA mortars or self-compacting concrete bed course are filled as packed layer, is a kind of slab track structure of brand-new comprehensive support.
Fragment-free track slab in use, often due to the aspects such as effect of construction quality, train load and temperature
The reason for, occur between top plate and packed layer and be mutually disengaged (that is, the phenomenon come to nothing) so that the stress of structure is disliked
Change.When serious, track plates are also possible that warping phenomenon, further endanger the traffic safety of train.
Existing detection technique is detected using far infrared imaging or electromagnetic wave technology more, but far infrared is imaged
Technology is had a great influence by ambient temperature, is unsuitable for working on the high-speed railway positioned at field, and electromagnetic wave technology is then easy to
Influenceed by metal medium, cause result error, and there is complicated reinforcing bar in track plates, therefore to utilizing electromagnetic wave
Technology carries out detection and causes great obstacle.
Utility model content
In order to solve the above problems, the utility model provides a kind of contactless vacant analysis device.The technical program profit
With Air Coupling ultrasonic transducer and ultrasonic receiver respectively as detection device and sound wave retracting device, realize non-contact
Formula vacant analysis device can reach rapid automatized detection on the premise of not contacting track plates and being coupled without using couplant
The effect of the cavity defect of track plates, and cavity defect detection sensitivity is high, while also improve contactless vacant analysis
The detection efficiency of device, reduces testing cost.
Come to nothing metewand and positional information by using computer disposal, to coming to nothing, position is accurately positioned, and is led to
Cross display and fasten display in two-dimensional coordinate, staff is intuitively accurately judged the position of coming to nothing of track plates.
By using computer remote controlled in wireless locomotive, detection device and sound wave retracting device so that staff
Can remote operation locomotive track plates are checked, reduce the fatigue strength of staff, and also eliminate scene
Risk of the operating personnel by radiation such as the electromagnetic waves of high-speed railway.
A kind of contactless vacant analysis device in the utility model, including detection device, sound wave retracting device and letter
Number analytical equipment, the sound wave retracting device are connected with the signal analysis device；Rail of the detection device to high-speed railway
Guidance tape output detection sound wave, the detection sound wave form supersonic guide-wave, the sound wave retracting device through being propagated in the track plates
The supersonic guide-wave is reclaimed, the supersonic guide-wave is converted into acoustic signals and exported to the signal by the sound wave retracting device
Analytical equipment；The signal analysis device is analyzed the acoustic signals, and obtains the position of coming to nothing of the track plates.
In such scheme, the detection sound wave and supersonic guide-wave are respectively ultrasonic wave.
In such scheme, the detection device is Air Coupling ultrasonic transducer, and the sound wave retracting device is ultrasonic wave
Receiver.
In such scheme, the signal analysis device includes computer, and the computer divides the acoustic signals
Analyse, rated power is set with the computer, the rated power is consistent with the power for detecting sound wave, and the computer passes through
The acoustic signals calculate the power for obtaining the supersonic guide-wave, and the computer is by the power of the supersonic guide-wave and the volume
Determine power to be divided by, obtain the metewand that comes to nothing.
In such scheme, the signal analysis device also includes signal amplifier, the signal amplifier respectively with it is described
Computer connects with the sound wave retracting device, after the acoustic signals for the sound wave retracting device to be exported amplify, output
To the computer.
In such scheme, the signal analysis device also includes position sychronisation, the position sychronisation with it is described
Computer connects, and the position sychronisation is used in real time to the computer export position signalling.
In such scheme, the signal analysis device also includes long-distance management system and display, the remote management system
System is connected with the computer, for computer described in remote control；The display is connected with the computer, the calculating
The metewand that comes to nothing is exported to the display and shown by machine.
In such scheme, in addition to locomotive, the locomotive is located on the track of the high-speed railway and can be along described
The axial movement of track, the detection device, sound wave recovery and position sychronisation are separately fixed on the locomotive, described
There is gap between detection device and sound wave retracting device and the track plates.
In such scheme, the locomotive is connected with the computer, and the computer controls the movement of the locomotive
Or stop；The detection device and sound wave retracting device form angle of inclination with the track plates respectively, and symmetrically arrange
On the locomotive.
A kind of Method of Void, comprises the following steps：
S1. staff, which operates computer, makes detection device output detection sound wave, detects track of the sound wave through high-speed railway
Plate upper surface is passed to the inside of track plates；
S2. operation computer makes locomotive be moved on the track of high-speed railway again, and detection device is with the movement
Car moves on the bearing of trend of the track, and is sequentially output detection to each position of track plates along the bearing of trend of track
Ultrasonic wave；
If S3. detect propagation path of the sound wave inside track plates do not occur coming to nothing position when, detection sound wave will be in track
There is a small amount of reflection and not reflected even in intralamellar part, and now sound wave retracting device will receive the less supersonic guide-wave of intensity even
Supersonic guide-wave is not received；If coming to nothing occurs in propagation path of the detection sound wave inside track plates during position, detection sound wave will
Occurs stronger sound wave reflection on position coming to nothing, now the sound wave retracting device supersonic guide-wave larger by intensity is received；
S4. supersonic guide-wave is converted into acoustic signals by the sound wave retracting device, and is exported after signal amplifier amplifies
To the computer, the computer calculates the power for obtaining the supersonic guide-wave, the computer by the acoustic signals
The power of the supersonic guide-wave and the rated power are divided by, obtain the metewand that comes to nothing；
S5. position sychronisation exports the positional information of the locomotive to the computer；The computer is by institute
The positional information for stating locomotive is shown by display；
S6. the computer also by metewand and the positional information of coming to nothing over the display with two-dimensional coordinate system
Form show, wherein, transverse axis is the positional information, and the longitudinal axis is the metewand that comes to nothing.
The advantages of the utility model and beneficial effect are：The utility model provides a kind of contactless vacant analysis dress
Put, realize on the premise of not contacting track plates and being coupled without using couplant, rapid automatized detection track can be reached
The effect of the cavity defect of plate, cavity defect detection sensitivity is high, and improves the detection of contactless vacant analysis device
Efficiency, reduce testing cost；To coming to nothing, position is accurately positioned, and fastens display in two-dimensional coordinate by display, is made
Staff intuitively can accurately judge the position of coming to nothing of track plates；Staff can remote operation locomotive to track plates
Checked, reduce the fatigue strength of staff, and also eliminate electromagnetism of the site operation personnel by high-speed railway
The risk of the radiation such as ripple.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of contactless vacant analysis device of the utility model；
Fig. 2 is a kind of flow chart of Method of Void of the utility model；
Fig. 3 is the experimental data of the first analog orbit plate in a kind of Method of Void of the utility model；
Fig. 4 is the experimental data of the second analog orbit plate in a kind of Method of Void of the utility model；
Fig. 5 is the experimental data of the 3rd analog orbit plate in a kind of Method of Void of the utility model.
In figure：1st, detection device 2, sound wave retracting device 3, signal analysis device 4, high-speed railway 5, locomotive 31,
Computer 32, signal amplifier 33, position sychronisation 34, long-distance management system 35, display 41, track plates 42, rail
Road
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this
Enclose.
As shown in figure 1, the utility model is a kind of contactless vacant analysis device, including the recovery of detection device 1, sound wave
Device 2 and signal analysis device 3, sound wave retracting device 2 are connected with signal analysis device 3；Detection device 1 is to high-speed railway 4
The output detection sound wave of track plates 41, detection sound wave form supersonic guide-wave through being propagated in track plates 41, and the recovery of sound wave retracting device 2 is super
Supersonic guide-wave is converted into acoustic signals and exported to signal analysis device 3 by guided Waves, sound wave retracting device 2；Signal analysis fills
Put 3 pairs of acoustic signals to analyze, and obtain the position of coming to nothing of track plates 41.
Preferably, it is respectively ultrasonic wave to detect sound wave and supersonic guide-wave.
Preferably, detection device 1 is Air Coupling ultrasonic transducer, and sound wave retracting device 2 is ultrasonic receiver.
Specifically, signal analysis device 3 includes computer 31, computer 31 is analyzed acoustic signals, computer 31
Rated power is inside set with, rated power is consistent with the power for detecting sound wave, and computer 31 is calculated by acoustic signals to be surpassed
The power of supersonic guide-wave is divided by by the power of guided Waves, computer 31 with rated power, obtains the metewand that comes to nothing.
Further, signal analysis device 3 also includes signal amplifier 32, signal amplifier 32 respectively with computer 31 and
Sound wave retracting device 2 connects, and after the acoustic signals for sound wave retracting device 2 to be exported amplify, exports to computer 31；Pass through
Supersonic guide-wave is avoided to cause acoustic signals also weaker due to the energy dropoff in transmit process using signal amplifier 32 so that
Computer 31 is difficult to the accurate power for obtaining or calculating supersonic guide-wave.
Further, signal analysis device 3 also includes position sychronisation 33, and position sychronisation 33 connects with computer 31
Connect, position sychronisation 33 is used in real time to the outgoing position signal of computer 31.
Further, signal analysis device 3 also includes long-distance management system 34 and display 35, long-distance management system 34 with
Computer 31 connects, the data exported for remote control computer 31 or reception computer 31；Display 35 and computer 31
Connection, the metewand that will come to nothing of computer 31 are exported to display 35 and shown.
Preferably, contactless vacant analysis device also includes locomotive 5, and locomotive 5 is located at the track 42 of high-speed railway 4
Above and locomotive 5 can be separately fixed at along the axial movement of track 42, detection device 1, sound wave recovery and position sychronisation 33
On, there is gap between detection device 1 and sound wave retracting device 2 and track plates 41.
Further, locomotive 5 is connected with computer 31, and computer 31 controls the movement or stopping of locomotive 5；Detection dress
Put 1 and sound wave retracting device 2 form angle of inclination with track plates 41 respectively, and be symmetrically arranged on locomotive 5, detection dress
Propagation path and the track plates 41 for putting the detection sound wave of 1 output form an inclination angle, detection sound wave touch come to nothing position when
Reflection will be produced, and into the symmetrical supersonic guide-wave of propagation path of propagation path and detection sound wave, and can smoothly transmit
To sound wave retracting device 2；Wherein, position sychronisation 33 is exported for representing that detection device 1 and sound wave reclaim to computer 31
The position signalling of the current location of device 2, computer 31 are also shown the position signalling by display 35.
As shown in Fig. 2 a kind of Method of Void, comprises the following steps：
S1. staff, which operates computer 31, makes the output detection sound wave of detection device 1, and detection sound wave is through high-speed railway 4
The upper surface of track plates 41 is passed to the inside of track plates 41；
S2. operation computer 31 makes locomotive 5 be moved on the track 42 of high-speed railway 4 again, and detection device 1 is with shifting
Motor-car 5 moves on the bearing of trend of track 42, and defeated successively to each position of track plates 41 along the bearing of trend of track 42
Go out detecting ultrasonic ripple；
If S3. detect propagation path of the sound wave track plates 41 inside do not occur coming to nothing position when, detecting sound wave will be in-orbit
There is a small amount of reflection and not reflected even in the inside of guidance tape 41, and now sound wave retracting device 2 will receive the less ultrasound of intensity and lead
Ripple does not even receive supersonic guide-wave；If coming to nothing occurs in propagation path of the detection sound wave inside track plates 41 during position, visit
Stronger sound wave will be occurred and reflects coming to nothing by surveying sound wave on position, now sound wave retracting device 2 will receive larger super of intensity
Guided Waves；
S4. supersonic guide-wave is converted into acoustic signals by sound wave retracting device 2, and export after the amplification of signal amplifier 32 to
Computer 31, computer 31 calculate the power for obtaining supersonic guide-wave by acoustic signals, and computer 31 is by the power of supersonic guide-wave
It is divided by with rated power, obtains the metewand that comes to nothing；
S5. position sychronisation 33 exports the positional information of locomotive 5 to computer 31；Computer 31 is by locomotive 5
Positional information shown by display 35；
S6. computer 31 will also come to nothing metewand and positional information is shown on display 35 in the form of two-dimensional coordinate system
Show, wherein, transverse axis is positional information, and the longitudinal axis is the metewand that comes to nothing；
Wherein, inspection software is provided with computer 31, for coming to nothing metewand and positional information is handled, and with
The form of two-dimensional coordinate system will come to nothing assess curve show, come to nothing assess curve by the assessment of coming to nothing in each positional information
Coefficient is formed；The technical program cavity defect detection sensitivity is high, and position of coming to nothing can be accurately positioned.
The specific experiment data of above-mentioned technical proposal：
1st, three analog orbit plates are prepared, as the track plates 41 of high-speed railway 4, wherein, first analog orbit plate
Thickness is 20mm, and the thickness of second analog orbit plate is 200mm, and the thickness of the 3rd analog orbit plate is 200mm；
2nd, using non-contact vacant analysis device to first analog orbit plate, if its testing result is as shown in figure 3, setting
It is that (wherein the setting can be adjusted according to operating mode or experience when coming to nothing condition that may be present that the metewand that comes to nothing, which is more than 0.3,
Section), come to nothing metewand of first analog orbit plate at 11~14mm can be intuitively found out on a display screen more than 0.3,
Also it is that first analog orbit plate has phenomenon of coming to nothing at 11~14mm；
3rd, using non-contact vacant analysis device to second analog orbit plate, if its testing result is as shown in figure 4, setting
It is that when coming to nothing condition that may be present, can intuitively find out first simulation rail on a display screen that the metewand that comes to nothing, which is more than 0.6,
Come to nothing metewand of the guidance tape at 16~21mm is more than 0.6, and also as first analog orbit plate exists at 16~21mm
Come to nothing phenomenon；
4th, using non-contact vacant analysis device to second analog orbit plate, if its testing result is as shown in figure 5, setting
It is that when coming to nothing condition that may be present, can intuitively find out first simulation rail on a display screen that the metewand that comes to nothing, which is more than 0.6,
Come to nothing metewand of the guidance tape at 16~21mm is more than 0.6, and also as first analog orbit plate exists at 16~21mm
Come to nothing phenomenon.
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 made etc., the utility model should be included in
Protection domain within.
Claims (9)
1. a kind of contactless vacant analysis device, it is characterised in that including detection device, sound wave retracting device and signal analysis
Device, the sound wave retracting device are connected with the signal analysis device；The detection device is defeated to the track plates of high-speed railway
Go out and detect sound wave, the detection sound wave forms supersonic guide-wave through being propagated in the track plates, and the sound wave retracting device reclaims institute
Supersonic guide-wave is stated, the supersonic guide-wave is converted into acoustic signals and exported to the signal analysis and filled by the sound wave retracting device
Put；The signal analysis device is analyzed the acoustic signals, and obtains the position of coming to nothing of the track plates.
2. a kind of contactless vacant analysis device according to claim 1, it is characterised in that described to detect sound wave and surpass
Guided Waves are respectively ultrasonic wave.
3. a kind of contactless vacant analysis device according to claim 1, it is characterised in that the detection device is sky
Gas coupling ultrasonic transducer, the sound wave retracting device are ultrasonic receiver.
A kind of 4. contactless vacant analysis device according to claim 1, it is characterised in that the signal analysis device
Including computer, the computer is analyzed the acoustic signals, and rated power, the volume are set with the computer
It is consistent with the power for detecting sound wave to determine power, and the computer calculates the work(for obtaining the supersonic guide-wave by the acoustic signals
The power of the supersonic guide-wave and the rated power are divided by by rate, the computer, obtain the metewand that comes to nothing.
A kind of 5. contactless vacant analysis device according to claim 4, it is characterised in that the signal analysis device
Also include signal amplifier, the signal amplifier is connected with the computer and the sound wave retracting device respectively, for inciting somebody to action
After the acoustic signals amplification of the sound wave retracting device output, export to the computer.
A kind of 6. contactless vacant analysis device according to claim 4, it is characterised in that the signal analysis device
Also include position sychronisation, the position sychronisation is connected with the computer, and the position sychronisation is used for real-time
To the computer export position signalling.
A kind of 7. contactless vacant analysis device according to claim 4, it is characterised in that the signal analysis device
Also include long-distance management system and display, the long-distance management system is connected with the computer, for described in remote control
Computer；The display is connected with the computer, and the computer exports the metewand that comes to nothing to the display
Device is shown.
8. a kind of contactless vacant analysis device according to claim 6, it is characterised in that also including locomotive, institute
Locomotive is stated to be located on the track of the high-speed railway and can return along the axial movement of the track, the detection device, sound wave
Receive and position sychronisation is separately fixed on the locomotive, the detection device and sound wave retracting device and the track plates
Between there is gap.
A kind of 9. contactless vacant analysis device according to claim 8, it is characterised in that the locomotive with it is described
Computer connects, and the computer controls the movement or stopping of the locomotive；The detection device and sound wave retracting device point
Angle of inclination is not formed with the track plates, and is symmetrically arranged on the locomotive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486897.2U CN206804593U (en) | 2017-05-04 | 2017-05-04 | A kind of contactless vacant analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486897.2U CN206804593U (en) | 2017-05-04 | 2017-05-04 | A kind of contactless vacant analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804593U true CN206804593U (en) | 2017-12-26 |
Family
ID=60739360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486897.2U Active CN206804593U (en) | 2017-05-04 | 2017-05-04 | A kind of contactless vacant analysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932424A (en) * | 2019-04-04 | 2019-06-25 | 福州大禹电子科技有限公司 | A kind of plank bulge detection method and system |
| WO2022160606A1 (en) * | 2021-01-27 | 2022-08-04 | 同济大学 | Defect detection apparatus for track slab, and detection method therefor |
-
2017
- 2017-05-04 CN CN201720486897.2U patent/CN206804593U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932424A (en) * | 2019-04-04 | 2019-06-25 | 福州大禹电子科技有限公司 | A kind of plank bulge detection method and system |
| CN109932424B (en) * | 2019-04-04 | 2021-09-03 | 福州大禹电子科技有限公司 | Method and system for detecting wood board bulge |
| WO2022160606A1 (en) * | 2021-01-27 | 2022-08-04 | 同济大学 | Defect detection apparatus for track slab, and detection method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105783799B (en) | A kind of fragment-free track slab gap depth lossless detection method and equipment based on vibration | |
| EP2748736B1 (en) | System for monitoring the condition of structural elements and method of developing such a system | |
| Jing et al. | Developments, challenges, and perspectives of railway inspection robots | |
| CN108344801B (en) | Equipment and method for detecting mortar bonding quality of CRTS II slab ballastless track | |
| CN102043015B (en) | Ultrasonic guided wave device and method for detecting defect at rail bottom of steel rail at long distance | |
| CN103693072B (en) | Metal magnetic memory Railroad's Temperature Stress detecting device | |
| CN206804593U (en) | A kind of contactless vacant analysis device | |
| CN102564363B (en) | Multi-probe electromagnetic ultrasonic detection device and detection method for detecting wheel pedal surface defects of high-speed train | |
| CN106959339A (en) | A kind of contactless vacant analysis device and Method of Void | |
| WO2019185873A1 (en) | System and method for detecting and associating railway related data | |
| CN103031787A (en) | Method and device for fully automatically and accurately monitoring changes of geometric parameters of track | |
| CN106770657A (en) | For the detection method that subway tunnel railway roadbed comes to nothing | |
| Huang et al. | Behavior and control of the ballastless track-subgrade vibration induced by high-speed trains moving on the subgrade bed with mud pumping | |
| CN203544024U (en) | Steel rail temperature stress detection apparatus via metal magnetic memory technology | |
| CN207215758U (en) | Fault of construction Fast nondestructive evaluation car under high-speed iron rail | |
| CN103675099A (en) | Rail flange defect monitoring system and method based on magnetostrictive torsional guided waves | |
| Hu et al. | Detection of defect in ballastless track based on impact echo method combined with improved SAFT algorithm | |
| CN109164173B (en) | Method and device for dynamically and nondestructively detecting ballastless track defects in multiple channels | |
| Burger et al. | Large scale implementation of guided wave based broken rail monitoring | |
| Ramadas et al. | Sizing of interface delamination in a composite T-joint using time-of-flight of Lamb waves | |
| CN208888186U (en) | A kind of device of multichannel Dynamic Non-Destruction Measurement non-fragment orbit defect | |
| Li et al. | Ultrasonic SH guided wave detection of the defects of switch rails with 3D finite element method | |
| Zhou et al. | Contemporary inspection and monitoring for high-speed rail system | |
| CN209103356U (en) | A kind of wind driven generator base quality data collection system based on ultrasound computed tomography | |
| CN103969334B (en) | Large-size concrete component defect stress ripple method for quick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200506 Address after: 215300 Room No. 232 Yuanfeng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: NONGTAIKE (KUNSHAN) TESTING TECHNOLOGY Co.,Ltd. Address before: 200433 room 30, No. 318, Lane three, 502, Shanghai, Yangpu District Patentee before: Pan Yongdong |
|
| TR01 | Transfer of patent right |