CN107817299A - A kind of ring automatic ultrasonic phased array lossless detection method and device - Google Patents
A kind of ring automatic ultrasonic phased array lossless detection method and device Download PDFInfo
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- CN107817299A CN107817299A CN201710950744.3A CN201710950744A CN107817299A CN 107817299 A CN107817299 A CN 107817299A CN 201710950744 A CN201710950744 A CN 201710950744A CN 107817299 A CN107817299 A CN 107817299A
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- 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
- G01N29/262—Arrangements for orientation or scanning by relative movement of the head and the sensor by electronic orientation or focusing, e.g. with phased arrays
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- 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
- G01N29/04—Analysing solids
-
- 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
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
Abstract
The invention discloses a kind of ring automatic ultrasonic phased array lossless detection method and device, this method to comprise the following steps：S1, ring and ultrasonic phase array, which are popped one's head in, to be placed in collecting tank, and certain lift-off distance is provided between probe and ring periphery；S2, the internal flaw for detecting the nearly periphery of ring：The half that the depth of focus for setting probe is ring wall thickness δ, start to detect, ring rotates to an angle α around its axis at interval of certain time Δ t, repeat to detect after rotation every time, untill ring rotation is turned around, then ultrasonic phase array probe moves axially downwards distance, delta z along ring, repeats to detect, untill ultrasonic phase array probe is moved to ring bottom margin；S3, the internal flaw for detecting the nearly inner hole surface of ring：The depth of focus for setting ultrasonic phase array to pop one's head in be ring wall thickness δ, and remaining is with step S2, i.e. the ultrasonic signal acquisition and record of completion ring.The present invention can effectively detect the defects of all directions inside ring.
Description
Technical field
The invention belongs to Ultrasonic Nondestructive technical field, and in particular to a kind of ring automatic ultrasonic phased array is lossless
Detection method and device, suitable for the automatic detection of various sizes ring.
Background technology
Ring is widely used in the industrial circles such as machinery, automobile, train, ship, petrochemical industry, Aero-Space, generating,
Consist predominantly of all kinds of rings such as bearer ring, gear ring, flange ring, train wheel and rim, gas turbine ring.In the last few years,
With industrial expansion, every profession and trade is increasing to the demand of ring, performance requirement also more and more higher.Ring is in process
In easily cracked, foldings, white point, shrinkage cavity, the defects of being mingled with, it is necessary to be detected after ring shapes.Ring at present
Detection method mainly carries out artificial ultrasound examination after semifinishing, using normal probe, angle probe, double crystal probe to ring
End face and periphery carry out artificial detection.However, artificial detection has many limitations and shortcoming, it can not increasingly meet ring
The speed of part production and required precision.Therefore Huan Duan factories urgently wish to introduce into ultrasonic wave automated detection system to detect ring
Quality.
Ultrasonic wave automated detection system is applied very few in the Non-Destructive Testing of ring quality at present, and it studies main concentrate
In water logging B-scan and C-scan automatic checkout system, according to the acoustic beam diameter of probe, it is specified that scanning stepping-in amount accordingly, carry out certainly
Dynamic image checking.But the problem of existing is, no matter takes normal probe also or focusing probe, its acoustic beam propagation direction are each perpendicular to
Ring end face or periphery, and ring internal flaw and non-directional, when defect bearing of trend and acoustic beam the direction of propagation not
Unanimously, especially shape angle at 45 ° when, the accuracy of detection of normal probe or focusing probe can decline.
The content of the invention
It is an object of the invention to provide a kind of ring automatic ultrasonic phased array lossless detection method and device, and it can be real
Existing ring ultrasound automation Non-Destructive Testing, can effectively detect the defects of all directions inside ring, and ensure to detect
High efficiency and high accuracy.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of ring automatic ultrasonic phased array lossless detection method, comprises the following steps：
S1, ring and ultrasonic phase array, which are popped one's head in, to be placed in the collecting tank equipped with couplant, and ring can be around its own axle
Line rotates, and ultrasonic phase array probe can axially move along a straight line along ring, and the initial position of ultrasonic phase array probe is located at ring
Periphery top edges, certain lift-off distance, ultrasonic phase array probe are provided between ultrasonic phase array probe and ring periphery
It is connected with a ultrasonic phase array detector, the ultrasonic phase array detector is connected with an industrial computer；
S2, the internal flaw for detecting the nearly periphery of ring：
The half that S201, the depth of focus for setting ultrasonic phase array to pop one's head in are ring wall thickness δ；
S202, ultrasonic phase array detector are super according to probe type and the excitation ultrasonic phase array probe transmitting of array number sequential
Acoustical signal, sector scan area, while the ultrasonic reflection echo that will be received by ultrasonic phase array probe are internally formed in ring
Signal is transferred to industrial computer, forms one section of sector scan sectional view, and inside ring during existing defects, ultrasonic reflection echo is lacking
Sunken place forms flaw echo, can determine the depth and size of defect according to the position of flaw echo and amplitude, and by defect
Depth and size reaction are in the sector scan sectional view of industrial computer；
S203, ring rotate to an angle α around its axis at interval of certain time Δ t, every time repeat step after rotation
S202, untill ring rotation is turned around；
S204, ultrasonic phase array probe move axially downwards distance, delta z along ring, and 50%S≤Δ z≤85%S, S is super
The covering sector width of sound phased array probe, repeat step S202 and step S203, until ultrasonic phase array probe is moved to ring
Untill bottom margin；
S3, the internal flaw for detecting the nearly inner hole surface of ring：The depth of focus for setting ultrasonic phase array to pop one's head in is ring wall thickness
δ, repeat step S202-S204, that is, complete the ultrasonic signal acquisition and record of ring.
By above-mentioned technical proposal, in step S1, lift-off distance between ultrasonic phase array probe and ring periphery for 2~
3mm。
By above-mentioned technical proposal, in rapid S203, Δ t is 0.02s, and α is 0.5 °~1 °.
By above-mentioned technical proposal, the ultrasonic phase array probe is popped one's head in for angle acoustic beam ultrasonic phase array, its focus types
For sector, the type of focusing is real depth, and wave mode is shear wave, the minimum angles θ of angle acoustic beam probe1For 30 °~40 °, maximum
Angle, θ2For 50 °~65 °.
Accordingly, the present invention also provides a kind of for realizing above-mentioned ring automatic ultrasonic phased array lossless detection method
Ring automatic ultrasonic phased array the cannot-harm-detection device, including the collecting tank equipped with couplant, be arranged in the collecting tank
Turn round detection platform, the R axles servomotor that the driving revolution detection platform rotates around its own axis, z-axis line module, drive
The z-axis servomotor of detection platform axial movement is turned round, on the z-axis line module in the dynamic z-axis line module edge
Ultrasonic phase array probe, with the ultrasonic phase array probe connection ultrasonic phase array detector, with the ultrasonic phase array
The industrial computer of detector connection and the switch board being connected with the industrial computer, the switch board are watched with R axles servomotor and z-axis
Motor connection is taken, ring is coaxial to be fixedly installed in revolution detection platform, the initial bit set of the ultrasonic phase array probe
Certain lift-off distance is provided between ring periphery top edges, ultrasonic phase array probe and ring periphery.
By above-mentioned technical proposal, the device is also watched including x-axis module, y-axis module, x-axis servomotor and y-axis
Motor is taken, the x-axis servomotor and y-axis servomotor are connected with switch board respectively, and the x-axis servomotor is used to drive y
Axis module laterally moves on x-axis module, and the y-axis servomotor is used to drive z-axis line module in y-axis
Property module on vertically move, the horizontal and vertical plane for being mutually perpendicular to and forming and turn round detection platform axis hang down
Directly.
By above-mentioned technical proposal, the device also includes noise filter, and the noise filter is arranged on switch board and institute
Have between servomotor.
By above-mentioned technical proposal, it is provided for fixing the scroll chuck of ring in the revolution detection platform.
By above-mentioned technical proposal, the probe clip for installing ultrasonic phase array probe is provided with the z-axis line module
Tool.
By above-mentioned technical proposal, the couplant is water.
The present invention, have the advantages that：The present invention is entered using ultrasonic phase array probe in ring periphery to ring
Row sector scan, for sustained height only with different depth twice is focused on, the first time depth of focus is the half of ring wall thickness, main
Nearly periphery ring internal flaw is detected, second of depth of focus is the thickness of ring, is predominantly detected in nearly inner hole surface ring
Portion's defect, probe need to only move axially in ring.The present invention realizes ring ultrasound automation Non-Destructive Testing, can effectively examine
The defects of all directions inside ring are measured, and ensure the high efficiency and high accuracy of detection.Ring internal flaw is simultaneously directionless
Property, when the bearing of trend of defect and the direction of propagation of acoustic beam are inconsistent, the defects of especially inclination angle is 45 °, using the present invention
Sector scan area is formed, with having Acoustic Wave Propagation on the direction of method phase angle, when defect has directionality, always has and prolongs with defect
The consistent transmitted wave in direction is stretched, may be such that flaw echo returns along original route, and is received by popping one's head in, forging defect can be utilized
Echo correlation formula accurately calculates size and the position of defect, greatly improves accuracy of detection, reduces loss, the present invention can be effective
Detect the flat hole defect that inclination angle is 45 °.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of ring automatic ultrasonic phased array the cannot-harm-detection device in the present invention；
Fig. 2 is the ultrasonic phase array scanning principle schematic of the present invention；
Fig. 3 is displacement diagram of being popped one's head in the present invention；
Fig. 4 is schematic diagram of the present invention when detecting the flat hole defect that inclination angle is 45 °.
In figure：1- frames, 2-y axis module, 3-z axis module, 4-x axis module, 5-X axles servomotor,
6- noise filters, 7- switch boards, 8- industrial computers, 9- ultrasonic phase arrays detector, 10- probe grippers, 11- ultrasonic phase arrays are visited
Head, 12- rings, 13-R axles servomotor, 14- revolutions detection platform, 15- scroll chucks, 16- collecting tanks.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
In the preferred embodiment, as shown in Figure 1-Figure 3, a kind of ring automatic ultrasonic phased array Non-Destructive Testing
Method, comprise the following steps：
S1, ring 12 and ultrasonic phase array probe 11 be placed in the collecting tank 16 equipped with couplant, ring 12 can be around
Its own axis rotates, and ultrasonic phase array probe 11 can axially move along a straight line along ring 12, ultrasonic phase array probe 11 just
Beginning, position was located at the periphery top edges of ring 12, and ultrasonic phase array is popped one's head in and is provided with certain lift-off between 11 and the periphery of ring 12
Distance, ultrasonic phase array probe 11 are connected with a ultrasonic phase array detector 9, and ultrasonic phase array detector 9 connects with an industrial computer 8
Connect；
S2, the internal flaw for detecting 12 nearly periphery of ring：
S201, the half that the depth of focus of ultrasonic phase array probe 11 is the wall thickness δ of ring 12 is set；
S202, ultrasonic phase array detector 9 are according to probe type and the hair of array number sequential excitation ultrasonic phase array probe 11
Ultrasonic signal is penetrated, sector scan area, while the ultrasound that will be received by ultrasonic phase array probe 11 are internally formed in ring 12
Reflection echo signal is transferred to industrial computer 8, forms one section of sector scan sectional view, when 12 inside existing defects of ring, ultrasound
Reflection echo forms flaw echo in fault location, and the depth and chi of defect can be determined according to the position of flaw echo and amplitude
It is very little, and by the depth of defect and size reaction in the sector scan sectional view of industrial computer 8；
S203, ring 12 rotate to an angle α around its axis at interval of certain time Δ t, every time repeat step after rotation
S202, untill the rotation of ring 12 is turned around；
S204, ultrasonic phase array probe 11 move axially downwards distance, delta z, 50%S≤Δ z≤85%S, S along ring 12
For the covering sector width of ultrasonic phase array probe 11, repeat step S202 and step S203, until ultrasonic phase array probe 11 moves
Move untill the bottom margin of ring 12；
S3, the internal flaw for detecting 12 nearly inner hole surface of ring：The depth of focus for setting ultrasonic phase array probe 11 is ring
12 wall thickness δ, repeat step S202-S204, that is, complete the ultrasonic signal acquisition and record of ring 12.
In a preferred embodiment of the invention, as shown in figure 1, in step S1, outside ultrasonic phase array probe 11 and ring 12
Lift-off distance between disc is 2~3mm.
In a preferred embodiment of the invention, as shown in figure 1, in rapid S203, Δ t is 0.02s, and α is 0.5 °~1 °.
In a preferred embodiment of the invention, as shown in Fig. 2 ultrasonic phase array probe 11 is angle acoustic beam ultrasonic phase array
Probe 11, and match somebody with somebody angled acoustic beam probe voussoir.The focus types of angle acoustic beam ultrasonic phase array probe is fan-shaped, focusing side
Formula is real depth, and wave mode is shear wave, the minimum angles θ of angle acoustic beam probe1For 30 °~40 °, maximum angle θ2For 50 °~
65°.The present invention uses angle acoustic beam phased array probe, and its ultrasonic wave launched is shear wave, and scanning face is sector, and sound beam direction can
Become, detection ring in method phase angle theta1~θ2Direction on have Acoustic Wave Propagation, as shown in figure 4, can effective detection go out diameter
The flat hole defect for being 45 ° for 1mm, inclination angle.
Accordingly, the present invention also provides a kind of ring automatic ultrasonic phased array the cannot-harm-detection device, as shown in figure 1, bag
Include equipped with couplant collecting tank 16, be arranged in collecting tank 16 revolution detection platform 14, driving revolution detection platform 14 around
The R axles servomotor 13 of its own axis rotation, z-axis line module 3, driving z-axis line module 3 are along the revolution axle of detection platform 14
Ultrasonic phase array probe 11 and ultrasonic phase array probe 11 to mobile z-axis servomotor, on z-axis line module 3
The ultrasonic phase array detector 9 of connection, the industrial computer 8 being connected with ultrasonic phase array detector 9 and the control being connected with industrial computer 8
Cabinet 7 processed, switch board 7 are connected with R axles servomotor 13 and z-axis servomotor, and ring 12 is coaxial to be fixedly installed on revolution detection
On platform 14, the initial position of ultrasonic phase array probe 11 is located at the periphery top edges of ring 12, ultrasonic phase array probe 11
Certain lift-off distance is provided between the periphery of ring 12.
In a preferred embodiment of the invention, as shown in figure 1, the device also includes x-axis module 4, y-axis module
2nd, X-axis servomotor 5 and y-axis servomotor, X-axis servomotor 5 and y-axis servomotor are connected with switch board 7 respectively, and X-axis is watched
Take motor 5 to be used to drive y-axis module 2 to laterally move on x-axis module 4, y-axis servomotor is used to drive z-axis
Linear module 3 vertically moves on y-axis module 2, and the horizontal and vertical plane for being mutually perpendicular to and forming detects with revolution
The axis of platform 14 is vertical.In the present embodiment, x-axis module and y-axis module are installed in frame 1, z-axis line mould
Group is arranged on y-axis module.In the present embodiment, the rotating speed of ring determines according to the repeated sampling frequency of detector, stepping
Distance determines according to acoustic beam area coverage, can greatly improve detection efficiency.
In a preferred embodiment of the invention, as shown in figure 1, the device also includes noise filter 6, noise filter 6
It is arranged between switch board 7 and all servomotors, for eliminating noise caused by servomotor to ultrasound examination result
Influence.
In a preferred embodiment of the invention, as shown in figure 1, being provided for fixing ring 12 in revolution detection platform 14
Scroll chuck 15.
In a preferred embodiment of the invention, as shown in figure 1, being provided with z-axis line module 3 for installing ultrasound phase-control
The probe gripper 10 of battle array probe 11.
In a preferred embodiment of the invention, as shown in figure 1, couplant is water.
When mounted, as shown in figure 1, revolution detection platform is located above collecting tank, detected ring is located at the present invention
Turn round on the upper surface of detection platform, fixed by scroll chuck；Turn round detection platform and pass through cable and R axles servomotor, control
Cabinet processed, industrial computer connection, control and drive ring to rotate；Ultrasonic phase array probe is fixed in probe gripper, by proprietary
Phased array connecting line is connected with ultrasonic phase array detector；Ultrasonic phase array detector is transmitted with industrial computer by EPA
Data；Probe gripper is fixed in the mobile unit of z-axis line module, can be moved vertically along z-axis, while z-axis can be along x-axis
Moved horizontally with y-axis, so as to realize three-dimensional motion of the probe in x-axis, y-axis and z-axis；Linear module is arranged in frame, is led to
Cross cable to be connected with servomotor, switch board, industrial computer, control and drive ultrasonic phase array probe movement；Noise filter leads to
Cable is crossed to be connected with servomotor and switch board.
The present invention comprises the following steps when detecting ring：
1st, apparatus for initializing：Device and ring to be measured are carried out by matching positioning by linear adjustment module, by ultrasound phase-control
Battle array probe placement is in the cylindrical top edges of ring, as initial position, and label probe initial position (i.e. zero quarter in ring
Line), the water filling into coupling water collecting groove is until water surface covering probe；
The 2nd, detection parameters are set：Start ultrasonic phase array detector, setting focus types are fan-shaped, the type of focusing is true
Depth, wave mode are shear wave, frequency probe f, array number n, further according to the size of ring, including outer diameter D, wall thickness δ, height h,
Determine the minimum angles θ of angle acoustic beam probe1With maximum angle θ2, general 30 °≤θ1≤40°、50°≤θ2≤65°；
3rd, gather and record detection signal：
The 3.1st, the half that the depth of focus is δ/2, i.e. ring wall thickness is set；
3.2nd, ultrasonic phase array detector launches ultrasonic signal according to probe type and array number sequential excitation ultrasonic probe,
Sector scan area is internally formed in ring, while the ultrasonic reflection echo-signal received is transferred to by industry control by ultrasonic probe
Machine, form one section of sector scan sectional view；
3.3rd, inside ring during existing defects, ultrasonic reflection echo can form flaw echo in fault location, according to defect
The position of echo and amplitude can determine the depth and size of defect, and by upper computer software that the depth of defect and size is anti-
Should be in industry control generator terminal sector scan sectional view；
3.4th, detection platform is turned round by R axles Serve Motor Control and drives ring every 0.02s anglec of rotation α, α=0.5 °
~1 °, 3.2~step 3.3 of repeat step, untill the circle of revolution detection platform driving ring rotation one；
3.5th, by the linear module of z-axis Serve Motor Control drive ultrasonic phase array probe along ring short transverse move away from
From Δ z, moving direction points to ring bottom, and the area of coverage width S that Δ z pops one's head according to ultrasonic phase array determines, 50%S≤Δ z
≤ 85%S, 3.2~step 3.4 of repeat step, untill probe is moved to ring bottom margin；
The 3.6th, the thickness that the depth of focus is δ, i.e. ring is set, 3.2~step 3.5 of repeat step, complete the ultrasound of ring
Signal acquisition and record；
3.7th, can determine to lack according to the ring anglec of rotation, the axial displacement of probe, the position of flaw echo and amplitude
The particular location and size being trapped in ring, show that the complete Ultrasonic C of a width sweeps figure in industrial computer by upper computer software, examine
Time-consuming t=0.02 × (360/ α) of survey × ([h/ Δs z]+1]) × 2；
4th, testing result is preserved：Ring ultrasonic phase array Non-Destructive Testing result is stored in industrial computer, is shown as Ultrasonic C
The form of figure, the positions and dimensions information of attendant disadvantages are swept, and the sector scan sectional view of each defect can be obtained.
The present invention carries out automatic ultrasonic in the ring to external diameter D=826mm, wall thickness δ=124mm, height h=121mm
When phased array detects, the device is installed by Fig. 1 annexation, detecting step includes：
1st, apparatus for initializing：Device and ring to be measured are carried out by matching positioning by linear adjustment module, by ultrasound phase-control
Battle array probe placement is in the cylindrical top edges of ring, as initial position, and label probe initial position (i.e. zero quarter in ring
Line), the water filling into coupling water collecting groove is until water surface covering probe；
The 2nd, detection parameters are set：Start ultrasonic phase array detector, setting focus types are fan-shaped, the type of focusing is true
Depth, wave mode are shear wave, frequency f, array number n, the minimum angles θ of ultrasonic phase array probe1With maximum angle θ2According to ring
Outer diameter D, wall thickness δ, height h choose and set, typically as D, δ, h increase, f reduce, n increases, and θ1Slightly increase, θ2Reduce,
Because the external diameter of ring is 826mm, wall thickness 124mm, is highly 121mm, belongs to middle-size and small-size ring, choose and ultrasonic phase is set
The frequency f for controlling battle array probe is 4MHz, array number n is 16, sets the minimum angles θ of angle acoustic beam1For 35 °, maximum angle θ2For
60°；
3rd, gather and record detection signal：
The 3.1st, the half that the depth of focus is ring wall thickness, i.e. 62mm are set；
3.2nd, ultrasonic phase array detector launches ultrasonic signal according to probe type and array number sequential excitation ultrasonic probe,
As shown in Fig. 2 it is internally formed sector scan area, while the ultrasonic reflection echo-signal that will be received by ultrasonic probe in ring
Industrial computer is transferred to, forms one section of sector scan sectional view；
3.3rd, inside ring during existing defects, ultrasonic reflection echo can form flaw echo in fault location, according to defect
The position of echo and amplitude can determine the depth and size of defect, and by upper computer software that the depth of defect and size is anti-
Should be in industry control generator terminal sector scan sectional view；
3.4th, by R axles Serve Motor Control turn round detection platform drive ring every the 0.02s anglecs of rotation α, α=
0.5 °, 3.2~step 3.3 of repeat step, untill the circle of revolution detection platform driving ring rotation one；
3.5th, by the linear module of z-axis Serve Motor Control drive ultrasonic phase array probe along ring short transverse move away from
From Δ z, moving direction points to ring bottom, and the area of coverage width S that Δ z pops one's head according to ultrasonic phase array determines, works as ultrasound phase-control
After the model of battle array probe determines, its area of coverage width S determines, S=8mm, Δ z=5mm, 3.2~step of repeat step
3.4, untill probe is moved to ring bottom margin；
The 3.6th, the thickness that the depth of focus is ring is set, be i.e. 124mm, 3.2~step 3.5 of repeat step, complete ring
Ultrasonic signal acquisition and record；
3.7th, can determine to lack according to the ring anglec of rotation, the axial displacement of probe, the position of flaw echo and amplitude
The particular location and size being trapped in ring, show that the complete Ultrasonic C of a width sweeps figure in industrial computer by upper computer software, examine
Survey total time-consuming 720s, i.e., 12 minutes；
4th, testing result is preserved：Ring ultrasonic phase array Non-Destructive Testing result is stored in industrial computer, is shown as Ultrasonic C
The form of figure, the positions and dimensions information of attendant disadvantages are swept, and the sector scan sectional view of each defect can be obtained.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of ring automatic ultrasonic phased array lossless detection method, it is characterised in that comprise the following steps：
S1, ring and ultrasonic phase array, which are popped one's head in, to be placed in the collecting tank equipped with couplant, and ring can revolve around its own axis
Turn, ultrasonic phase array probe can axially move along a straight line along ring, and it is cylindrical that the initial position that ultrasonic phase array is popped one's head in is located at ring
Face top edges, certain lift-off distance, ultrasonic phase array probe and one are provided between ultrasonic phase array probe and ring periphery
Ultrasonic phase array detector is connected, and the ultrasonic phase array detector is connected with an industrial computer；
S2, the internal flaw for detecting the nearly periphery of ring：
The half that S201, the depth of focus for setting ultrasonic phase array to pop one's head in are ring wall thickness δ；
S202, ultrasonic phase array detector are according to probe type and array number sequential excitation ultrasonic phase array probe transmitting ultrasound letter
Number, it is internally formed sector scan area, while the ultrasonic reflection echo-signal that will be received by ultrasonic phase array probe in ring
Industrial computer is transferred to, forms one section of sector scan sectional view, inside ring during existing defects, ultrasonic reflection echo is in fault location
Flaw echo is formed, can determine the depth and size of defect according to the position of flaw echo and amplitude, and by the depth of defect
With size reaction in the sector scan sectional view of industrial computer；
S203, ring rotate to an angle α around its axis at interval of certain time Δ t, every time repeat step S202 after rotation, directly
Untill ring rotation is turned around；
S204, ultrasonic phase array probe move axially downwards distance, delta z along ring, and 50%S≤Δ z≤85%S, S is ultrasonic phase
The covering sector width of battle array probe, repeat step S202 and step S203 are controlled, until ultrasonic phase array probe is moved to ring bottom
Untill edge；
S3, the internal flaw for detecting the nearly inner hole surface of ring：The depth of focus for setting ultrasonic phase array to pop one's head in is ring wall thickness δ, weight
Multiple step S202-S204, that is, complete the ultrasonic signal acquisition and record of ring.
2. ring automatic ultrasonic phased array lossless detection method according to claim 1, it is characterised in that step S1
In, the lift-off distance between ultrasonic phase array probe and ring periphery is 2~3mm.
3. ring automatic ultrasonic phased array lossless detection method according to claim 1, it is characterised in that step S203
In, Δ t is 0.02s, and α is 0.5 °~1 °.
4. ring automatic ultrasonic phased array lossless detection method according to claim 1, it is characterised in that the ultrasound
Phased array probe is popped one's head in for angle acoustic beam ultrasonic phase array, and its focus types is sector, and the type of focusing is real depth, and wave mode is
Shear wave, the minimum angles θ of angle acoustic beam probe1For 30 °~40 °, maximum angle θ2For 50 °~65 °.
A kind of 5. ring for being used to realize ring automatic ultrasonic phased array lossless detection method any one of claim 1-4
Part automatic ultrasonic phased array the cannot-harm-detection device, it is characterised in that including the collecting tank equipped with couplant, be arranged on the receipts
Collect the revolution detection platform in groove, the R axles servomotor that the driving revolution detection platform rotates around its own axis, z-axis line
Property module, driving z-axis line module z-axis servomotor along revolution detection platform axial movement, installed in the z-axis line
Property module on ultrasonic phase array probe, with the ultrasonic phase array detector of ultrasonic phase array probe connection, with it is described super
The industrial computer of sound phased array detector connection and the switch board being connected with the industrial computer, the switch board and R axles servo electricity
Machine is connected with z-axis servomotor, and ring is coaxial to be fixedly installed in revolution detection platform, and the ultrasonic phase array is popped one's head in first
Beginning, position was located at ring periphery top edges, and ultrasonic phase array is popped one's head in and is provided with certain lift-off distance between ring periphery.
6. ring automatic ultrasonic phased array the cannot-harm-detection device according to claim 5, it is characterised in that the device is also
Including x-axis module, y-axis module, x-axis servomotor and y-axis servomotor, the x-axis servomotor and y-axis servo
Motor is connected with switch board respectively, and the x-axis servomotor is used to drive y-axis module to do transverse direction on x-axis module
Mobile, the y-axis servomotor is used to drive z-axis line module to vertically move on y-axis module, the transverse direction and vertical
It is vertical with the axis for turning round detection platform to the plane for being mutually perpendicular to and forming.
7. ring automatic ultrasonic phased array the cannot-harm-detection device according to claim 6, it is characterised in that the device is also
Including noise filter, the noise filter is arranged between switch board and all servomotors.
8. ring automatic ultrasonic phased array the cannot-harm-detection device according to claim 5, it is characterised in that the revolution
It is provided for fixing the scroll chuck of ring in detection platform.
9. ring automatic ultrasonic phased array the cannot-harm-detection device according to claim 5, it is characterised in that the z-axis
The probe gripper for installing ultrasonic phase array probe is provided with linear module.
10. ring automatic ultrasonic phased array the cannot-harm-detection device according to claim 5, it is characterised in that the coupling
Mixture is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109373944A (en) * | 2018-12-04 | 2019-02-22 | 湖南大学 | A kind of air foil bearing air-film thickness measuring system based on ultrasound and method |
| CN109668959A (en) * | 2019-02-28 | 2019-04-23 | 国电科学技术研究院有限公司 | Retaining ring ultrasonic phase array automatic detection device and automatic testing method |
| CN110579536A (en) * | 2019-09-28 | 2019-12-17 | 西安交通大学 | Multi-probe ultrasonic flaw detection device suitable for large ring piece |
| CN110579535A (en) * | 2019-09-28 | 2019-12-17 | 西安交通大学 | size-variable annular working water tank structure for ultrasonic scanning of large ring piece |
| CN110609093A (en) * | 2019-11-01 | 2019-12-24 | 南京高速齿轮制造有限公司 | Phased array ultrasonic detection device for detecting transmission parts |
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| CN112033675A (en) * | 2020-08-31 | 2020-12-04 | 马鞍山钢铁股份有限公司 | Method for detecting movement fault of inner ring of rolling bearing of metallurgical vehicle |
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| CN114113326A (en) * | 2021-12-24 | 2022-03-01 | 安泰天龙(北京)钨钼科技有限公司 | Phased array ultrasonic detection method and device of composite connection structure |
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| CN109115873A (en) * | 2018-07-27 | 2019-01-01 | 中国工程物理研究院化工材料研究所 | A kind of annular multiaxis scanning equipment for complex configuration revolving body ultrasound detection |
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| CN110579536A (en) * | 2019-09-28 | 2019-12-17 | 西安交通大学 | Multi-probe ultrasonic flaw detection device suitable for large ring piece |
| CN110609093A (en) * | 2019-11-01 | 2019-12-24 | 南京高速齿轮制造有限公司 | Phased array ultrasonic detection device for detecting transmission parts |
| CN111189919A (en) * | 2020-01-21 | 2020-05-22 | 岭澳核电有限公司 | Nuclear power station pipeline welding seam detection device |
| CN111189919B (en) * | 2020-01-21 | 2023-08-25 | 岭澳核电有限公司 | Nuclear power station pipeline welding seam detection device |
| CN111307953A (en) * | 2020-03-31 | 2020-06-19 | 奥瑞视（北京）科技有限公司 | Ultrasonic detection device and detection method for large-scale revolving body |
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| CN112730620A (en) * | 2021-02-02 | 2021-04-30 | 武汉理工大学 | Ring forging ultrasonic detection method based on 5G signal transmission |
| CN112730620B (en) * | 2021-02-02 | 2023-09-26 | 武汉理工大学 | Ring forging ultrasonic detection method based on 5G signal transmission |
| CN113686961A (en) * | 2021-08-17 | 2021-11-23 | 武汉理工大学 | Curved surface part ultrasonic full-focusing defect quantitative detection method and system |
| CN114113326A (en) * | 2021-12-24 | 2022-03-01 | 安泰天龙(北京)钨钼科技有限公司 | Phased array ultrasonic detection method and device of composite connection structure |
| CN114441640A (en) * | 2022-01-28 | 2022-05-06 | 中国科学院合肥物质科学研究院 | Ultrasonic inspection apparatus for nondestructive inspection of workpiece |
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