CN103278563A - Probe rotary type ultrasonic flaw detection device - Google Patents
Probe rotary type ultrasonic flaw detection device Download PDFInfo
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- CN103278563A CN103278563A CN2013102138632A CN201310213863A CN103278563A CN 103278563 A CN103278563 A CN 103278563A CN 2013102138632 A CN2013102138632 A CN 2013102138632A CN 201310213863 A CN201310213863 A CN 201310213863A CN 103278563 A CN103278563 A CN 103278563A
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Abstract
The invention provides a probe rotary type ultrasonic flaw detection device. An ultrasonic flaw detector is embedded into an ultrasonic rotary machine head in a modularized manner to form an ultrasonic flaw detection module. The ultrasonic flaw detector and the ultrasonic rotary machine head rotate together to remove relative movement between the ultrasonic flaw detector and the ultrasonic rotary machine head; and the ultrasonic flaw detector and the ultrasonic rotary machine head are fixedly connected by a coaxial cable. The ultrasonic flaw detection module can carry out digital processing and compression on a flaw detection signal and then the flaw detection signal is transmitted to a fixed transmitter in a wireless manner; and then the flaw detection signal is uploaded to a computer by the fixed transmitter to be subjected to treatment and waveform display. According to the probe rotary type ultrasonic flaw detection device disclosed by the invention, the contact problem of electric brush coupling and signal attenuation and anti-interference problems of capacitance coupling in a traditional probe rotary type ultrasonic flaw detection device are solved, the signal to noise ratio of flaw detection is improved and the rotary speed of a probe can also be improved.
Description
Technical field
The present invention relates to detection range, particularly specifically the Dynamic Non-Destruction Measurement apparatus field of metal, nonmetal tubing bar is a kind of probe rotary ultrasonic ware failure detector.
Background technology
The equipment that uses ultrasound wave that the pipe bar is detected a flaw at present mainly is divided into two classes: a class is that the tubing spiral is preceding and then ultrasonic probe is motionless; Another kind of is that ultrasonic probe rotates and tubing straight ahead mode.
First kind equipment tubing spiral advances and mechanically is difficult to realize stable rotation at a high speed because tubing is rotated in, and therefore is generally used for the low speed tube ndt.The rotation of second kind equipment probe can reach very high speed, and the tubing straight ahead can realize flaw detection at a high speed.
Be in the state of rotatablely moving owing to pop one's head in the tradition probe rotary type ultraphonic wave inspection, and the UT (Ultrasonic Testing) instrument remains static, and has dual mode to pop one's head in usually and is connected with instrument.A kind of is the brush coupling, just by the slip ring on the rotating head and brush probe signal is extracted; Another kind is capacitive coupling, and this electric capacity one is extremely fixing, and the rotating head rotation is followed in the other end, realizes that by electric capacity non-contact signal connects.
The brush coupling scheme are to have the contact to connect, and brush and slip ring wear and tear easily, can cause loose contact after the wearing and tearing, tend to cause a lot of undesired signals to occur, simultaneously, brush is vibrations also can occur to cause loose contact in high-speed slide, has limited the operating rate of brush mode.Capacitive coupling has solved the defective that the contact connects, but instrument and probe have directly sealed in an electric capacity, and this electric capacity is realized having bigger stray inductance by large-area copper sheet, can cause the decay of transponder pulse signal and echoed signal and wave form distortion takes place, influence flaw detection signal to noise ratio (S/N ratio).Secondly, introduce big chip capacitor and under industrial environment, be easy to be subjected to signal interference such as motor/frequency converter, field adjustable difficulty.At last, rotation electric capacity is very high to requirement on machining accuracy, and at a high speed the level sheet of rotation produces distortion in environmental change such as temperature easily, contact with static level sheet and to make condenser failure, influence the electric capacity life-span, the back maintenance of breaking down need be dismantled host header, difficulty is installed, and maintenance cost is very high.
Summary of the invention
In view of this, the present invention proposes a kind of probe rotary ultrasonic ware failure detector, can avoid the shortcoming of tradition probe rotary ultrasonic ware failure detector poor reliability, anti-interference difference.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of probe rotary ultrasonic ware failure detector is provided, comprises ultrasonic rotating head and ultra-sonic defect detector, wherein, described UT (Ultrasonic Testing) Modularly is embedded in the described ultrasonic rotating head, forms the UT (Ultrasonic Testing) module.
Further, in described probe rotary ultrasonic ware failure detector, described UT (Ultrasonic Testing) module comprises high-voltage pulse generating circuit module, ultrasound echo signal conditioning circuit module at least, in High Speed Data Acquisition Circuit module, data compression circuit module and the digital signal processing circuit module one.
Further, in described probe rotary ultrasonic ware failure detector, described ultrasonic rotating head also comprises: power supplier, for described ultrasonic rotating head provides power supply;
Mechanical driving device is for described ultrasonic rotating head provides power;
Supply water and packoff, comprise flaw detection coupling rotation water tank, be provided with probe in the described flaw detection coupling rotation water tank, the ultrasound wave that described probe sends is by being coupled between water and the measured object, in the flaw detection coupling rotation water tank certain hydraulic pressure is arranged, prevent from producing bubble between probe and the measured object.
Further, in described probe rotary ultrasonic ware failure detector, described ultrasonic rotating head also comprises: the probe regulating device, it is adjusting screw that fixedly there are probe, the outside in the inboard, can regulate described probe positions by described adjusting screw.
Further, in described probe rotary ultrasonic ware failure detector, described ultrasonic rotating head also comprises: radio transmitting device, be used for the data wireless after the UT (Ultrasonic Testing) resume module is transferred to fixedly forwarder, described fixedly forwarder is fixed on the inwall of described ultrasonic rotating head, and data are sent to computing machine by fixing forwarder again.
Further, in described probe rotary ultrasonic ware failure detector, described radio transmitting device also comprises the signal frequency adjustment module, for the high-frequency signal that the low frequency ultrasound signal is modulated into more than the 2GHz.
Further, in described probe rotary ultrasonic ware failure detector, described mechanical driving device comprises:
The three-jaw centring means is used for adjusting the axle center of locating measured object, passes described ultrasonic flaw detecting device to determine that measured object is stablized;
Steel pipe centering guide pin bushing is used for the measured object axle center is located;
Drive motor is used for providing power;
Main shaft and main shaft driving device are used for driving described ultrasonic rotating head rotation.
Further, in described probe rotary ultrasonic ware failure detector, described power supplier adopts frequency electromagnetic waves to carry out non-contact power supply, and it comprises:
The high-frequency electromagnetic wave transmitting device is fixed on the shell of described ultrasonic flaw detecting device, is used for external AC is converted to frequency electromagnetic waves;
The high-frequency electromagnetic wave receiving device is after being used for receiving the high-frequency electromagnetic wave energy, after overcommutation, filtering, voltage transitions, for described each module of probe rotary ultrasonic ware failure detector provides power supply.
A kind of probe rotary ultrasonic ware failure detector provided by the invention, it is embedded in the ultra-sonic defect detector Modularly in the ultrasonic rotating head, forms the UT (Ultrasonic Testing) module.Make it to rotate together, removed relative motion between the two, between can to use concentric cable to carry out fixedly connected.And the UT (Ultrasonic Testing) module can handle the flaw detection signal digital compression back and be transferred to fixedly on the forwarder by wireless mode, uploads to by fixing forwarder that computing machine is handled and the waveform demonstration.Contact problems and capacity coupled signal attenuation and anti-interference problem that it has solved traditional probe rotary ultrasonic ware failure detector center brush coupling have simultaneously improved the flaw detection signal to noise ratio (S/N ratio), and can improve the probe rotational speed.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of probe rotary ultrasonic ware failure detector of the present invention.
Wherein, each illustration is as follows:
1, ultrasonic rotating head 2, UT (Ultrasonic Testing) module 3, power supplier
41, three-jaw centring means 42, steel pipe centering guide pin bushing 43, drive motor
44, main shaft and main shaft driving device 51, flaw detection coupling rotation water tank
52, dash packoff 53, flaw detection coupling water cavity 6, probe regulating device
7, radio transmitting device 8, concentric cable 9, probe connecting line 10, measured object
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.
Basic thought of the present invention is: design a kind of probe rotary ultrasonic ware failure detector, it is embedded in the ultra-sonic defect detector Modularly in the ultrasonic rotating head 1, forms UT (Ultrasonic Testing) module 2.Make it to rotate together, removed relative motion between the two, between can to use concentric cable 8 to carry out fixedly connected.And UT (Ultrasonic Testing) module 2 can handle the flaw detection signal digital compression back and be transferred to fixedly on the forwarder by wireless mode, uploads to by fixing forwarder that computing machine is handled and the waveform demonstration.Thereby avoid the shortcoming of tradition probe rotary ultrasonic ware failure detector poor reliability, anti-interference difference.
Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
As shown in Figure 1, a kind of probe rotary ultrasonic ware failure detector comprises ultrasonic rotating head 1 and ultra-sonic defect detector, and described ultra-sonic defect detector Modularly is embedded in the described ultrasonic rotating head 1, forms UT (Ultrasonic Testing) module 2.Do like this when using, ultrasonic rotating head 1 and ultra-sonic defect detector rotate together, have avoided relative motion between the two, and it is fixedly connected to use concentric cable 8 to carry out between the two.Solved contact problems and capacity coupled signal attenuation and the anti-interference problem of traditional probe rotary ultrasonic ware failure detector center brush coupling so simultaneously, improved the flaw detection signal to noise ratio (S/N ratio), and can improve the probe rotational speed.
In the present embodiment, described UT (Ultrasonic Testing) module 2 comprises high-voltage pulse generating circuit module, ultrasound echo signal conditioning circuit module at least, in High Speed Data Acquisition Circuit module, data compression circuit module and the digital signal processing circuit module one.Wherein, the data compression that the data compression circuit module can be gathered UT (Ultrasonic Testing) module 2 guarantees simultaneously that to 1/100 of raw data the data transfer rate after the compression does not change with the flaw detection parameter.Certainly signal can transmit with simulating signal or the non-compressed digital signal of modulation, and the frequency of transmission also can change on demand.
Preferably.Described ultrasonic rotating head 1 also comprises: power supplier 3, mechanical driving device, water supply and packoff, probe regulating device 6 and signal wireless transmission device 7.
Wherein, described power supplier 3 is for described ultrasonic rotating head 1 provides power supply; Preferably can adopt frequency electromagnetic waves to carry out non-contact power supply, can be from the stationary part wireless transmission of ultrasonic rotating head 1 to its rotating part.Described power supplier 3 comprises: the high-frequency electromagnetic wave transmitting device, be fixed on the shell of described ultrasonic flaw detecting device, and be used for external AC is converted to frequency electromagnetic waves; The high-frequency electromagnetic wave receiving device is after being used for receiving the high-frequency electromagnetic wave energy, after overcommutation, filtering, voltage transitions, for described each module of probe rotary ultrasonic ware failure detector provides power supply.Certainly, power supplier 3 also is not limited to by non-contact power supply, also can power by modes such as internal battery, brushes.
Described mechanical driving device is for described ultrasonic rotating head 1 provides power; It comprises: three-jaw centring means 41, be used for adjusting the axle center of locating measured object 10, and pass described ultrasonic flaw detecting device to determine that measured object 10 is stablized; Steel pipe centering guide pin bushing 42 is used for measured object 10 axle center are located; Drive motor 43 is used for providing power; Main shaft and main shaft driving device 44 are used for driving described ultrasonic rotating head 1 rotation.
Described water supply and packoff, comprise flaw detection coupling rotation water tank 51, be provided with probe in the described flaw detection coupling rotation water tank 51, the ultrasound wave that described probe sends is by coupling between water and the measured object 10, in the flaw detection coupling rotation water tank 51 certain hydraulic pressure is arranged, prevent from producing bubble between probe and the measured object 10.
Described probe regulating device 6, it is adjusting screw that fixedly there are probe, the outside in the inboard, can regulate described probe positions by described adjusting screw.And it can regulate probe from three dimensions respectively.First is the probe degree of depth, can regulate the water layer thickness between probe and the measured object 10, and second and the 3rd the vertical and horizontal angle that direction is respectively probe can realize that by regulating probe orientation probe focuses on, and finds optimal incident angle in fact.
Described ultrasonic rotating head 1 also comprises: radio transmitting device 7, be used for the data wireless after UT (Ultrasonic Testing) module 2 is handled is transferred to fixedly forwarder, described fixedly forwarder is fixed on the inwall of described ultrasonic rotating head 1, and data are sent to computing machine by fixing forwarder again.Computing machine can be used for the flaw detection waveform and show, the control of flaw detection parameter, data recording playback etc.Described radio transmitting device 7 also comprises the signal frequency adjustment module, and the high-frequency signal for the low frequency ultrasound signal being modulated into more than the 2GHz with the low-frequency band of avoiding being disturbed easily, has improved anti-interference greatly.
Adopt probe rotary ultrasonic ware failure detector flaw detection using method of the present invention as follows:
At first, to be detected steel pipe (can certainly be other metal/non-metal pipe bars, present embodiment measured object 10 is example with the steel pipe) enter from an end straight line of failure detector, at three-jaw centring means 41, control such as steel pipe centering guide pin bushing 42 grades down, guarantee the stable failure detector that passes in steel pipe axle center, drive motor 43 drives main shaft driving device and rotates at a high speed, the water inlet of water supply and packoff is full of water with water cavity soon under the driving of water pump, form flaw detection coupling water cavity 53, and at centrifugal force, under the effect of the pressure of water pump and dash packoff 52, flaw detection coupling rotation water tank 51 can be good at surrounding steel pipe, satisfies the requirement of steel tube flaw detection water coupling.
On the probe regulating device 6 a plurality of ultrasonic probes can be set, probe emission ultrasound wave, coupling arrives and is visited steel pipe through water, and reflection wave is got back to probe and received by probe, advances the connection of probe connecting line 9, signal is transferred to UT (Ultrasonic Testing) module 2, amplify through signal, high-speed sampling is after signals such as data compression are handled, data are launched by the wireless transmission antenna through being modulated to radio frequency, receive wireless signal by the fixedly forwarder of outside at last.By data line data are sent to computing machine from fixing forwarder again.Simultaneously, the configuration parameter that computer operation produces is sent in the described ultrasonic rotating head 1 by same paths, realizes the control to UT (Ultrasonic Testing) module 2.
A kind of probe rotary ultrasonic ware failure detector provided by the invention, it is embedded in the ultra-sonic defect detector Modularly in the ultrasonic rotating head 1, forms UT (Ultrasonic Testing) module 2.Make it to rotate together, removed relative motion between the two, between can to use concentric cable 8 to carry out fixedly connected.And UT (Ultrasonic Testing) module 2 can handle the flaw detection signal digital compression back and be transferred to fixedly on the forwarder by wireless mode, uploads to by fixing forwarder that computing machine is handled and the waveform demonstration.Contact problems and capacity coupled signal attenuation and anti-interference problem that it has solved traditional probe rotary ultrasonic ware failure detector center brush coupling have simultaneously improved the flaw detection signal to noise ratio (S/N ratio), and can improve the probe rotational speed.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a probe rotary ultrasonic ware failure detector comprises ultrasonic rotating head (1) and ultra-sonic defect detector, and it is characterized in that: described ultra-sonic defect detector Modularly is embedded in the described ultrasonic rotating head (1), forms UT (Ultrasonic Testing) module (2).
2. probe rotary ultrasonic ware failure detector according to claim 1, it is characterized in that, described UT (Ultrasonic Testing) module (2) comprises high-voltage pulse generating circuit module, ultrasound echo signal conditioning circuit module at least, in High Speed Data Acquisition Circuit module, data compression circuit module and the digital signal processing circuit module one.
3. probe rotary ultrasonic ware failure detector according to claim 1 is characterized in that, described ultrasonic rotating head (1) also comprises:
Power supplier (3) is for described ultrasonic rotating head provides power supply;
Mechanical driving device is for described ultrasonic rotating head provides power;
Supply water and packoff, comprise flaw detection coupling rotation water tank (51), be provided with probe in the described flaw detection coupling rotation water tank (51), the ultrasound wave that described probe sends is by coupling between water and the measured object (10), in the flaw detection coupling rotation water tank certain hydraulic pressure is arranged, prevent from producing bubble between probe and the measured object.
4. probe rotary ultrasonic ware failure detector according to claim 3 is characterized in that, described ultrasonic rotating head (1) also comprises:
Probe regulating device (6), it is adjusting screw that fixedly there are probe, the outside in the inboard, can regulate described probe positions by described adjusting screw.
5. probe rotary ultrasonic ware failure detector according to claim 3 is characterized in that, described ultrasonic rotating head (1) also comprises:
Radio transmitting device (7) is used for the data wireless after the UT (Ultrasonic Testing) resume module is transferred to fixedly forwarder, and described fixedly forwarder is fixed on the inwall of described ultrasonic rotating head, and data are sent to computing machine by fixing forwarder again.
6. probe rotary ultrasonic ware failure detector according to claim 3 is characterized in that, described radio transmitting device (7) also comprises the signal frequency adjustment module, for the high-frequency signal that the low frequency ultrasound signal is modulated into more than the 2GHz.
7. probe rotary ultrasonic ware failure detector according to claim 3 is characterized in that described mechanical driving device comprises:
Three-jaw centring means (41) is used for adjusting the axle center of locating measured object (10), passes described ultrasonic flaw detecting device to determine that measured object (10) is stablized;
Steel pipe centering guide pin bushing (42) is used for the location, axle center with measured object (10);
Drive motor (43) is used for providing power;
Main shaft and main shaft driving device (44) are used for driving described ultrasonic rotating head (1) rotation.
8. probe rotary ultrasonic ware failure detector according to claim 3 is characterized in that, described power supplier (3) adopts frequency electromagnetic waves to carry out non-contact power supply, and it comprises:
The high-frequency electromagnetic wave transmitting device is fixed on the shell of described ultrasonic flaw detecting device, is used for external AC is converted to frequency electromagnetic waves;
The high-frequency electromagnetic wave receiving device is after being used for receiving the high-frequency electromagnetic wave energy, after overcommutation, filtering, voltage transitions, for described each module of probe rotary ultrasonic ware failure detector provides power supply.
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| CN2013102138632A CN103278563A (en) | 2013-05-22 | 2013-05-22 | Probe rotary type ultrasonic flaw detection device |
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| CN2013102138632A CN103278563A (en) | 2013-05-22 | 2013-05-22 | Probe rotary type ultrasonic flaw detection device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535649A (en) * | 2014-12-25 | 2015-04-22 | 刘凯 | Unmanned intelligent detection machine for cracks |
| CN105548505A (en) * | 2016-02-04 | 2016-05-04 | 安徽师范大学 | Test device for active layer material based on ultrasonic and temperature field |
| CN106383174A (en) * | 2016-08-22 | 2017-02-08 | 合肥德泰科通测控技术有限公司 | An ultrasonic wave fracture detecting method for an external wall of a metal tube |
| CN107064306A (en) * | 2017-04-18 | 2017-08-18 | 微美光速资本投资管理（北京）有限公司 | A kind of ultrasound holography detection device and application method |
| CN108680647A (en) * | 2018-08-06 | 2018-10-19 | 中国计量大学 | A kind of ultrasonic flaw detection robot for large-size spherical tank steel vessel |
| CN105738472B (en) * | 2016-03-01 | 2018-12-14 | 武汉中科创新技术股份有限公司 | A kind of rotating detector ultrasonic flaw detecting device |
| CN110132591A (en) * | 2019-06-11 | 2019-08-16 | 淮南巧天机械设备技术有限公司 | A kind of high-precision rotation axis fault detection positioning device |
| CN110208461A (en) * | 2019-05-29 | 2019-09-06 | 华纬科技股份有限公司 | A kind of rotary defect-detecting equipment |
| CN110243942A (en) * | 2019-07-08 | 2019-09-17 | 嘉兴林升液压工具有限公司 | A kind of Pipe Cutting tubing non-destructive testing device |
| CN111103356A (en) * | 2019-12-26 | 2020-05-05 | 常州超声电子有限公司 | Solid shaft ultrasonic flaw detection system, flaw detection method and data processing method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535649A (en) * | 2014-12-25 | 2015-04-22 | 刘凯 | Unmanned intelligent detection machine for cracks |
| CN105548505A (en) * | 2016-02-04 | 2016-05-04 | 安徽师范大学 | Test device for active layer material based on ultrasonic and temperature field |
| CN105738472B (en) * | 2016-03-01 | 2018-12-14 | 武汉中科创新技术股份有限公司 | A kind of rotating detector ultrasonic flaw detecting device |
| CN106383174A (en) * | 2016-08-22 | 2017-02-08 | 合肥德泰科通测控技术有限公司 | An ultrasonic wave fracture detecting method for an external wall of a metal tube |
| CN107064306A (en) * | 2017-04-18 | 2017-08-18 | 微美光速资本投资管理（北京）有限公司 | A kind of ultrasound holography detection device and application method |
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| CN108680647B (en) * | 2018-08-06 | 2020-10-30 | 中国计量大学 | Ultrasonic flaw detection robot for large spherical tank steel container |
| CN110208461A (en) * | 2019-05-29 | 2019-09-06 | 华纬科技股份有限公司 | A kind of rotary defect-detecting equipment |
| CN110208461B (en) * | 2019-05-29 | 2024-05-31 | 华纬科技股份有限公司 | Rotary flaw detection equipment |
| CN110132591A (en) * | 2019-06-11 | 2019-08-16 | 淮南巧天机械设备技术有限公司 | A kind of high-precision rotation axis fault detection positioning device |
| CN110243942A (en) * | 2019-07-08 | 2019-09-17 | 嘉兴林升液压工具有限公司 | A kind of Pipe Cutting tubing non-destructive testing device |
| CN111103356A (en) * | 2019-12-26 | 2020-05-05 | 常州超声电子有限公司 | Solid shaft ultrasonic flaw detection system, flaw detection method and data processing method |
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