CN110261491A - A kind of spiral steel pipe internal flaw reflectoscope - Google Patents
A kind of spiral steel pipe internal flaw reflectoscope Download PDFInfo
- Publication number
- CN110261491A CN110261491A CN201910507425.4A CN201910507425A CN110261491A CN 110261491 A CN110261491 A CN 110261491A CN 201910507425 A CN201910507425 A CN 201910507425A CN 110261491 A CN110261491 A CN 110261491A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- probe
- cylinder
- spiral steel
- pipe internal
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 239000000523 sample Substances 0.000 claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 8
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 10
- 230000007547 defect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/275—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving both the sensor and the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention relates to ultrasonic examination technical fields, more particularly to a kind of spiral steel pipe internal flaw reflectoscope, structure includes cylinder, end socket, main shaft, probe holder, battery and controller, cylinder both ends are respectively connected with an end socket, the both ends of main shaft are connected with two end sockets by bearing respectively, probe holder is equipped with the two rows of ultrasonic probes being parallel to each other, and two rows of ultrasonic probe interactions arrange and form the scanning area of overlapping；Battery and controller are placed in probe holder, controller and supersonic detector wireless telecommunications；Ultrasonic probe is enclosed type wireless coupling formula ultrasonic probe.Compared with prior art, the invention has the advantages that 1) device and spiral steel pipe rotate synchronously, helix tube spins after a week, the length of traveling setting starts the flaw detection operation of second segment, so circulation is finished until entire steel pipe is detected, and detection signal is wirelessly transmitted to supersonic detector.2) it is applicable in the spiral welded pipe of 159mm or more.
Description
Technical field
The present invention relates to ultrasonic examination technical fields more particularly to a kind of spiral steel pipe internal flaw ultrasonic inspection to fill
It sets.
Background technique
Pipeline is widely used in the every field such as petroleum, chemical industry, ship, machine-building, the energy, geology, such as seamless
Steel pipe is all indispensable in various industries, and, the nothing more stringent to its quality requirement in the application such as petroleum casing pipe and delivery pipe
The defects of seam steel pipe can generate pit, folding, slight crack or de- muscle during production, these defects can band in use
Carry out unnecessary loss, therefore, requires to carry out non-destructive testing seamless steel pipe in many applications, general most common method is super
Sound wave non-destructive testing.
Ultrasonic detecting equipment currently on the market there are many, be to be detected outside steel pipe mostly, detection mode
There are mainly two types of: the first is that steel pipe rotates, and ultrasonic probe cooperation, such detection mode can be divided into two again
Class, one kind make forward travel while rotating for steel pipe, and ultrasonic probe is fixed at this time, and another kind of is steel pipe
It rotates, and ultrasonic probe makees straight ahead movement；Second is that steel pipe only makees straight ahead movement, and ultrasonic wave is visited
Head circumference makes rotating motion around steel pipe.Both the above detection mode can satisfy the needs of industrial detection to a certain extent, still
Be difficult to the shortcomings that overcoming there is also some: 1) when using steel pipe rotate the detection mode detected when, due to steel pipe
Weight it is big, cause steel pipe rotary movement caused by convolution error it is big；And since steel pipe weight is big, the inertia in rotary motion
Greatly, speed when rotary motion cannot be too fast, and detection efficiency is caused to decline；2) when using ultrasonic probe rotate into
When the detection mode of row detection, additional signal coupling apparatus (such as brush coupling) is needed to avoid probe signal in detection device
The winding of line；No matter 3) detected using which kind of above mode, control steel pipe movement is required, the volume of integral device is caused
Huge, structure is complicated, higher cost.
Application No. is 201410172309.9 Chinese inventions to disclose a kind of pipeline internal flaw reflectoscope, main
It to include supersonic detection device, control circuit board and computer, control circuit board and computer collective effect regulate and control ultrasound detection
The running of device, supersonic detection device include walking on z-axis stepper motor and vertical direction with the concentric y-axis of z-axis stepper motor
Into motor, the top of z-axis stepper motor is equipped with a top plate, and top plate passes through a screw nut driving mechanism and z-axis stepper motor phase
Connection, the bottom end of z-axis stepper motor are connected with the bottom end of y-axis stepper motor, and the other end of y-axis stepper motor is equipped with a probe
The end of clamping device, clamping device of popping one's head in is equipped with several ultrasonic probes.Using ultrasonic probe in steel pipe to be measured into
Row ultrasonic examination detection, steel pipe to be measured are fixed.
Summary of the invention
The object of the present invention is to provide a kind of spiral steel pipe internal flaw reflectoscopes, overcome the prior art not
Foot, suitable for detecting a flaw on the inside of spiral steel pipe, when spiral steel pipe rotates in place, device synchronous can turn with spiral steel pipe
It is dynamic, but ultrasonic probe remains downwards, and when carrying out carrying out flaw detection, when helix tube spins after a week, the walking in device is electric
Machine starting travels to next section of flaw detection region, so recycles, and finishes until entire steel pipe is detected, detection signal is wirelessly passed
It is defeated to arrive supersonic detector, carry out post analysis processing.
To achieve the above object, the invention is realized by the following technical scheme:
A kind of spiral steel pipe internal flaw reflectoscope, structure include cylinder, end socket, main shaft, probe holder, battery and control
Device processed, the cylinder both ends are respectively connected with an end socket, and main shaft is set in cylinder, and the both ends of main shaft are logical with two end sockets respectively
It crosses bearing to be connected, probe holder eccentric setting on main shaft, probe holder is equipped with the two rows of ultrasonic probes being parallel to each other,
Two rows of ultrasonic probe interaction arrangements form the scanning area of overlapping；The battery and controller are placed in probe holder, control
Device processed is communicated wirelessly with supersonic detector；Be provided with 2 ~ 6 flaw detection windows on the cylinder, between adjacent flaw detection window between
The width of spacer is not more than 3mm, and ultrasonic probe is enclosed type wireless coupling formula ultrasonic probe.
Single-chip microcontroller is equipped in the controller, single-chip microcontroller is separately connected motor-drive circuit, power signal amplifier, relay
Device, optoelectronic switch and multiplexed signal sampling device, the motor-drive circuit connect movable motor, and power signal amplifier connects nothing
Line sender unit, relay are electrically connected with reversal valve, and reversal valve is connected with cylinder by gas circuit, the multiplexed signal sampling
Device is electrically connected with multiplex ultrasonic probe.
Two rows of ultrasonic probe spacing are 3 ~ 5mm on the probe holder.
The two sides of the probe holder are respectively equipped with movable motor crane, between the movable motor crane and probe holder
It is connected with cylinder, the lower end of movable motor crane connects movable motor, and movable motor connects rubber wheel.
The movable motor is DC servo motor.
The cylinder is equipped with the rubber ring band that two circles increase friction.
The rubber ring band is equipped with decorative pattern.
Compared with prior art, the beneficial effects of the present invention are: 1) device cylinder can with the ultrasonic probe inside device
Neatly relative rotation, when spiral steel pipe rotates in place, device and spiral steel pipe are rotated synchronously, and ultrasonic probe remains
Direction is downward, and when helix tube spins after a week, the length of the movable motor starting traveling setting in device starts the spy of second segment
Hurt operation, so recycle, finished until entire steel pipe is detected, detection signal is wirelessly transmitted to supersonic detector, is carried out
Data Analysis Services.2) compact structure, the quality testing of the spiral welded pipe of application diameter 159mm or more.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention.
Fig. 2 is in Fig. 1 along line A-A cross-sectional view.
Fig. 3 is two rows of ultrasonic probe distribution schematic diagrams of the invention.
Fig. 4 is controller architecture schematic block diagram of the present invention.
Fig. 5 is that the present invention implements status diagram.
Fig. 6 is present invention flaw detection area schematic.
In figure: 1- cylinder, 2- end socket, 3- main shaft, 4- probe holder, 5- battery, 6- controller, 7- bearing, 8- ultrasonic wave
Probe, 9- supersonic detector, 10- flaw detection window, 11- interval body, 12- movable motor crane, 13- cylinder, 14- walking electricity
Machine, 15- rubber wheel, 16- rubber ring band, 17- rotary bracket, 18- steel pipe to be measured, 19- failure detector, 20- zero mark lamp.
Specific embodiment
Preparation method of the invention is described further below with reference to embodiment:
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
It is connected directly, it can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
See Fig. 1 to Fig. 3, be a kind of spiral steel pipe internal flaw reflectoscope example structure schematic diagram of the present invention,
Structure includes cylinder 1, end socket 2, main shaft 3, probe holder 4, battery 5 and controller 6, and 1 both ends of cylinder are respectively connected with an end socket 2
It connects, main shaft 3 is set in cylinder 1, and the both ends of main shaft 3 are connected with two end sockets 2 by bearing 7 respectively, and probe holder 4 is in main shaft 3
Upper eccentric setting, probe holder 4 are equipped with the two rows of ultrasonic probes 8 being parallel to each other, two rows of ultrasonic probe spacing on probe holder
For 5mm.Battery 5 and controller 6 are placed in probe holder 4, and controller 6 is communicated wirelessly with supersonic detector 9, data
It wirelessly transmits, avoids the interference of wired pair of movement；4 flaw detection windows 10 are provided on cylinder 1, between adjacent flaw detection window
The width of interval body 11 is not more than 3mm, and the width of interval body 11 is less than the spacing of two rows of ultrasonic probes, can avoid producing detection
Raw interference.Ultrasonic probe 8 is enclosed type wireless coupling formula ultrasonic probe, can effectively improve the stability of circumferential sensitivity,
Probe is not contacted with workpiece, no abrasion, and life of equipment is long.
The two sides of probe holder are respectively provided with a movable motor crane 12, between movable motor crane 12 and probe holder 4
It is connected with cylinder 13, the lower end of movable motor crane 12 connects movable motor 14, and movable motor drives rubber wheel 15.Work as cylinder
When 13 movement, movable motor 14 is moved down, the walking function of realization device.Movable motor 14 is DC servo motor, convenient accurate
Control distance travelled and traveling speed.
Cylinder 1 is equipped with the rubber ring band 16 that two circles increase friction, and the friction of cylinder 1 Yu spiral steel pipe inner wall can be improved
Power.To further enhance frictional force, decorative pattern is also provided on rubber ring band 16.
See Fig. 4, is controller architecture schematic block diagram of the present invention, is equipped with STM32 single-chip microcontroller in controller, single-chip microcontroller connects respectively
Motor-drive circuit, power signal amplifier, relay, optoelectronic switch and multiplexed signal sampling device are connect, motor-drive circuit connects
Movable motor is connect, power signal amplifier connects radio signal senders, and relay is electrically connected with reversal valve, reversal valve and cylinder
It is connected by gas circuit, multiplexed signal sampling device is electrically connected with multiplex ultrasonic probe.
See Fig. 5, Fig. 6, is that the present invention implements status diagram, the present invention and defect detection on ultrasonic basis on the outside of traditional tube body
It compares, there is apparent superiority.The present invention has higher detection speed, can carry out precise defect location online, can be with
Carry out the defects detection (longitudinally, laterally, lamination defect, thickness measuring etc.) in a variety of orientation.Standard configuration of the present invention contains 6-8 inspection
Probing head channel, and can increase by concrete condition, more defects detections can be covered, support higher detection speed.In addition
Since by the way of full Wireless, system follow-up maintenance cost is very low, eliminating capacitance coupling type fault detection system will often stop
The trouble of machine maintenance, replacement capacitive coupling piece etc..
Ultrasonic probe highest frequency reaches 10MHz or more, and the two rows of interaction of ultrasonic probe 8 arrangements form the scanning area of overlapping
Domain avoids signal from omitting；Multiplexed signal sampling device is connected with ultrasonic probe, for adjusting the super of the sending of ultrasonic probe 4
The amplitude of acoustic signals simultaneously filters out noise, and processed ultrasonic echo information is wirelessly transmitted to super by power signal amplifier
Sonic analyzer, multiplexed signal sampling device have the function of the acquisition of multiplexer channel signal parallel, and sample frequency reaches 50Msps or more.
A kind of flaw detection process of spiral steel pipe internal flaw reflectoscope of the present invention is as follows, first by steel pipe 18 to be measured
It is placed on rotary bracket 17, and failure detector 19 is placed in one end of 18 inside of steel pipe to be measured, manual setting is detected a flaw well dress
The angles and positions set, supersonic detector 9 are located at nearby, and zero mark lamp 20 is arranged in one end of steel pipe.Starting rotation
Bracket 17, steel pipe 18 to be measured are rotated around own axes, and failure detector 19 is rotated synchronously in 18 inner wall of steel pipe to be measured, are visited in ultrasonic wave
Between first 8 and steel pipe inner wall plus water or couplant, ultrasonic probe 8 send scanning signal to monolithic through multiplexed signal sampling device
Machine, single-chip microcontroller handle echo information, amplify through power signal amplifier, are sent by radio signal senders, ultrasonic wave
Defectoscope in signal coordinate and echo information stored and analyzed and shown.When optoelectronic switch receives zero point mark
When remembering 20 signal of lamp, indicate that scanning in one week is completed, rotary bracket 17 stops rotating.Failure detector 19 can be moved manually at this time
Next scanning area, or control cylinder movement are moved, failure detector is moved to next scanning area by movable motor,
Terminate until completing all 6 sweep intervals, flaw detection.
The present invention is the ultrasonic fault detection system based on wireless transmission, and flaw detection signal is sent in a manner of digital radio transmission
It is handled to supersonic detector, there is no carbon brush or capacitance sheets etc. to be easy the link by electrical noise interference, can mention significantly
The signal-to-noise ratio of height flaw detection, guarantees the sensitivity of flaw detection, effectively prevent reporting by mistake or fail to report.
Embodiment described above is only purpose, the technical scheme and beneficial effects for the present invention will be described in detail and the tool chosen
Body example, but should in no way limit the protection scope of invention, it is all without violating the spirit and principles of the present invention, it is made
Various modifications, equivalent replacement and improvement should all be fallen under the scope of the present invention.
Claims (7)
1. a kind of spiral steel pipe internal flaw reflectoscope, which is characterized in that structure includes cylinder, end socket, main shaft, probe
Frame, battery and controller, the cylinder both ends are respectively connected with an end socket, and main shaft is set in cylinder, the both ends point of main shaft
It is not connected with two end sockets by bearing, probe holder eccentric setting on main shaft, probe holder is equipped with and is parallel to each other
Two rows of ultrasonic probes, two rows of ultrasonic probe interactions arrange and form the scanning area of overlapping；The battery and controller
It is placed in probe holder, controller is communicated wirelessly with supersonic detector；2 ~ 6 flaw detection windows are provided on the cylinder,
The width of interval body is not more than 3mm between adjacent flaw detection window, and ultrasonic probe is enclosed type wireless coupling formula ultrasonic probe.
2. a kind of spiral steel pipe internal flaw reflectoscope according to claim 1, which is characterized in that the control
It is equipped with single-chip microcontroller in device, single-chip microcontroller is separately connected motor-drive circuit, power signal amplifier, relay, optoelectronic switch and more
Road signal picker, the motor-drive circuit connect movable motor, and power signal amplifier connects radio signal senders, after
Electric appliance is electrically connected with reversal valve, and reversal valve is connected with cylinder by gas circuit, the multiplexed signal sampling device and multiplex ultrasonic
Probe electrical connection.
3. a kind of spiral steel pipe internal flaw reflectoscope according to claim 1, which is characterized in that the probe
Two rows of ultrasonic probe spacing are 3 ~ 5mm on frame.
4. a kind of spiral steel pipe internal flaw reflectoscope according to claim 1, which is characterized in that the probe
The two sides of frame are respectively equipped with movable motor crane, are connected with cylinder between the movable motor crane and probe holder, walking
The lower end of motor crane connects movable motor, and movable motor connects rubber wheel.
5. a kind of spiral steel pipe internal flaw reflectoscope according to claim 2, which is characterized in that the walking
Motor is DC servo motor.
6. a kind of spiral steel pipe internal flaw reflectoscope according to claim 1, which is characterized in that the cylinder
It is equipped with the rubber ring band that two circles increase friction.
7. a kind of spiral steel pipe internal flaw reflectoscope according to claim 6, which is characterized in that the rubber
Annulus is equipped with decorative pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507425.4A CN110261491A (en) | 2019-06-12 | 2019-06-12 | A kind of spiral steel pipe internal flaw reflectoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507425.4A CN110261491A (en) | 2019-06-12 | 2019-06-12 | A kind of spiral steel pipe internal flaw reflectoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110261491A true CN110261491A (en) | 2019-09-20 |
Family
ID=67917894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507425.4A Pending CN110261491A (en) | 2019-06-12 | 2019-06-12 | A kind of spiral steel pipe internal flaw reflectoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110261491A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460171A (en) * | 2022-01-21 | 2022-05-10 | 浙江省疾病预防控制中心 | Equipment based on ultrasonic wave and radiographic inspection combine together |
| CN115616081A (en) * | 2022-11-18 | 2023-01-17 | 张家港嘉园钢铁制品有限公司 | Ultrasonic flaw detection system for seamless steel pipe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013210296A (en) * | 2012-03-30 | 2013-10-10 | Jfe Steel Corp | Self-propelled flaw detection device |
| CN105699485A (en) * | 2016-01-22 | 2016-06-22 | 钢研纳克检测技术有限公司 | Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology |
| CN210401329U (en) * | 2019-06-12 | 2020-04-24 | 中冶辽宁德龙钢管有限公司 | Wireless coupling type ultrasonic flaw detection device |
-
2019
- 2019-06-12 CN CN201910507425.4A patent/CN110261491A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013210296A (en) * | 2012-03-30 | 2013-10-10 | Jfe Steel Corp | Self-propelled flaw detection device |
| CN105699485A (en) * | 2016-01-22 | 2016-06-22 | 钢研纳克检测技术有限公司 | Rotary type ultrasonic flaw detection device based on radio frequency/microwave technology |
| CN210401329U (en) * | 2019-06-12 | 2020-04-24 | 中冶辽宁德龙钢管有限公司 | Wireless coupling type ultrasonic flaw detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460171A (en) * | 2022-01-21 | 2022-05-10 | 浙江省疾病预防控制中心 | Equipment based on ultrasonic wave and radiographic inspection combine together |
| CN115616081A (en) * | 2022-11-18 | 2023-01-17 | 张家港嘉园钢铁制品有限公司 | Ultrasonic flaw detection system for seamless steel pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103969330B (en) | A kind of pipe interior defect reflectoscope | |
| WO2017096770A1 (en) | Driving device of all-directional automatic weld seam flaw detection instrument and application thereof | |
| CN103217477B (en) | Axle radial ultrasonic automatic flaw detecting device and control method | |
| CN101650339B (en) | Special eddy current flaw detector of cylinder sleeve | |
| CN106248794B (en) | A kind of metal cylinder components automated ultrasonic flaw detecting machine | |
| CN110261491A (en) | A kind of spiral steel pipe internal flaw reflectoscope | |
| CN102914593B (en) | Method for detecting ultrasonic TOFD (time of flight diffraction) imaging of shaft pressing position | |
| CN206583855U (en) | Annular element through transmission technique ultrasonic testing system | |
| CN201060179Y (en) | Aqueous medium ultrasonic inspection machine | |
| CN102818842A (en) | Ultrasonic automatic detection system of tubing with variable wall thickness and step | |
| CN201984056U (en) | Hollow-axle ultrasonic flaw-detecting machine | |
| CN208297425U (en) | Tube ndt device with automatic cleaning function | |
| CN105717195B (en) | Partition board main weld detecting system and detection method | |
| CN204740869U (en) | Nuclear reactor pressure vessel takes over to hand over and passes through an ultrasonic examination device | |
| CN116989709B (en) | Pipe measuring device and system | |
| CN203732507U (en) | Ultrasonic angle adjustment device for water immersion method ultrasonic testing | |
| CN204203170U (en) | Dividing plate main weld detection system | |
| CN104198585B (en) | Large, honeycomb C interlayer surface of revolution component ultrasonic C scanning device | |
| CN204241426U (en) | A kind of reflectoscope of non-uniform shaft disc type work | |
| CN102221577A (en) | Movable high-accuracy silk material ultrasonic detection system | |
| JPH0365697A (en) | Ultrasonic profile measuring apparatus for wear of control rod | |
| CN208953490U (en) | A kind of concrete filled steel tube ultrasound examination bracket | |
| CN208721616U (en) | A kind of ultrasonic probe scanning bracket seat for railway rail seam inspection | |
| CN210401329U (en) | Wireless coupling type ultrasonic flaw detection device | |
| CN110196285A (en) | A kind of large ring multi-panel array ultrasonic automatic detection device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |