CN107490623B - Ultrasonic scanner and its detection method - Google Patents
Ultrasonic scanner and its detection method Download PDFInfo
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- CN107490623B CN107490623B CN201710847614.7A CN201710847614A CN107490623B CN 107490623 B CN107490623 B CN 107490623B CN 201710847614 A CN201710847614 A CN 201710847614A CN 107490623 B CN107490623 B CN 107490623B
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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
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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
- G01N29/223—Supports, positioning or alignment in fixed situation
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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
- G01N29/24—Probes
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- 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
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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- 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
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention belongs to ultrasonic non-destructive inspection techniques fields, it is related to a kind of ultrasonic scanner, it includes girder, arched arm, magnet-wheel mechanism, encoder and probe loading arm, girder includes long-armed, galianconism and the long-armed connector that the long-armed angle between galianconism can be simultaneously adjusted with galianconism of connection, and two ends of girder are respectively connected with arched arm；The both ends of arched arm are connected with magnet-wheel mechanism by linking arm respectively, and the encoder for recording distance is provided on arched arm；Magnet-wheel mechanism includes magnet pulley and demagnetization device, and linking arm can be adjusted positioned at the distance between the magnet pulley at arched arm both ends and angle, and demagnetization device is fixed on the connecting arm；Loading arm of popping one's head in includes the second sliding block, loading arm and probe fixing bracket, and probe loading arm can slide on girder length direction, and probe loading arm can be dismantled and be replaced.The present invention can realize that flexibility is good to the scanning of three kinds of straight weld, girth joint and fillet weld weld seams simultaneously, and accuracy and reliability are high.
Description
Technical field
The invention belongs to ultrasonic non-destructive inspection techniques field, it is related to a kind of ultrasonic scanner and its detection method.
Background technology
The side such as product quality detection, the equipment safety performance inspection of Ultrasonic Nondestructive method in many industrial circles
There is irreplaceable importance in face.With the development of non-destructive testing technology, ultrasound detection gradually to can be imaged, recordable side
To development.For important, complicated structural member, imageable advanced supersonic detection method such as ultrasonic phase array (PAUT) and ultrasound
Time difference diffraction approach (TOFD) increasingly becomes mainstream detection method.And high-precision, portable, multiduty mechanical scanning device are to realize
The key components of engineering application, scanner are mainly used for clamping probe and are moved in detection faces, realized to work to be checked
The high-precision ultrasound of part detects.Scanner at present mainly can three kinds of representative configurations of scanning：Tablet docking, different curvature pipe pair
It connects and the fillet welding crack structure of different angles, existing scanner can only be directed to one or two kinds of structure and carry out scanning at present,
And existing scanner design structure is generally more complex, is not easy to disassemble and maintain, and can not ensure that accurately scanning detects,
Limit its use under complex working conditions.
Invention content
In view of the deficiencies of the prior art, a kind of ultrasonic scanner of present invention offer and its detection method, can be realized simultaneously
The scanning of three kinds of weld seams of fillet weld of the straight weld of tablet docking, the circumferential weld of pipe docking and different angles, uses modularization
Design, it is simple in structure, be easily installed adjustment and later maintenance, and simple operation, accuracy are high.
The invention is realized in this way：
A kind of ultrasonic scanner comprising girder, arched arm, magnet-wheel mechanism, encoder and probe loading arm, the master
Beam includes long-armed, galianconism and the long-armed connector with galianconism of connection, the connector be configured to adjust it is described it is long-armed with it is short
Angle between arm, the long-armed first side are equipped with the first sliding groove, and the long-armed second side is equipped with second sliding slot, institute
The first end for stating connector is fixedly connected with the first end of the galianconism, and the second end of the connector is equipped with the first sliding block,
First sliding block is clamped into the first sliding groove and can be slided in the first sliding groove and rotation, the long-armed first end
Portion is equipped with the block for preventing the connector from sliding, and the second end of the long-armed the second end and the galianconism is respectively and fixedly provided with
The arched arm；The both ends of the arched arm are connect by linking arm with the magnet-wheel mechanism respectively, and the arched arm is connected with
The encoder for recording distance；The magnet-wheel mechanism includes magnet pulley and demagnetization device, the magnet pulley with it is described
The bottom end of linking arm is hinged, the linking arm can adjust positioned at the distance between the magnet pulley at the arched arm both ends with
Angle, the demagnetization device are fixed on the linking arm；The probe loading arm includes the second sliding block, loading arm and is used for
The probe fixing bracket of probe is clamped.
Preferably, the loading arm include fixed arm, travelling arm and be connected and fixed arm and travelling arm elastic element and
The top of sliding equipment, second sliding block is connected in the second sliding slot, the lower part of second sliding block by handle with
The fixed arm is connected and fixed, and the lower part of the travelling arm is connect with the probe fixing bracket, the elastic component and skate machine
Structure is configured to make probe to fit together with workpiece to be checked.
Preferably, the straight beam that the girder is integrally formed.
Preferably, the upper surface of the straight beam, described long-armed and galianconism upper surface are equipped with graduation mark, the straight beam
Side and lower surface are equipped with sliding slot.
Preferably, the probe loading arm is the loading arm that can be replaced.
Preferably, the linking arm is H-type structure.
Preferably, the fixed arm is L-type structure.
Preferably, the length of the girder can extend, and the girder is equipped at least one probe loading arm.
A kind of detection method using above-mentioned ultrasonic scanner comprising following steps：
S1, it is detected according to the structure of workpiece to be checked selection girder and probe loading arm, specific choice mode is as follows：
1. when detecting tablet docking structure, long-armed and galianconism is adjusted to horizontality or is changed to straight beam, chosen
Ultrasonic phase array or the corresponding probe loading arm of ultrasonic time difference diffraction approach carry out scanning to straight weld；
2. when detection pipe docking structure, long-armed and galianconism is adjusted to horizontality or is changed to straight beam, chosen super
Sound phased array or the corresponding probe loading arm of ultrasonic time difference diffraction approach carry out scanning to girth joint；
3. when detecting fillet weld structural member, the long-armed angle between galianconism is adjusted by rotating connector, makes it
It is consistent with fillet weld angle, the corresponding probe loading arm of ultrasonic phase array is chosen, scanning is carried out to fillet weld；
S2, when detecting tablet docking structure, be adjusted to horizontality by long-armed with galianconism or be changed to straight beam, will surpass
Sound phased array probe or ultrasonic time difference diffraction approach probe are mounted on corresponding probe loading arm, and magnet pulley is adsorbed on workpiece to be checked
Surface, the elastic component and sliding equipment of adjustment probe loading arm make probe be bonded with workpiece to be checked, and sliding probe is to straight weld
Scanning is carried out, after scanning, is removed from workpiece to be checked ultrasonic scanner using demagnetization device；
When detection pipe docking structure, long-armed and galianconism is adjusted to horizontality or is changed to straight beam, utilizes connection
Arm adjusts the distance between magnet pulley with angle to adapt to the curvature of pipe docking structure, by ultrasonic phase array probe or ultrasonic time difference
Diffraction approach probe is mounted on corresponding probe loading arm, and magnet pulley is adsorbed on workpiece surface to be checked, adjustment probe loading arm
Elastic component and sliding equipment make probe be bonded with workpiece to be checked, and sliding probe carries out scanning to girth joint, after scanning,
Ultrasonic scanner is removed from workpiece to be checked using demagnetization device；
When detecting fillet weld structural member, the long-armed angle between galianconism is adjusted by rotating connector, make its with
Fillet weld angle is consistent, and ultrasonic phase array probe is mounted on probe loading arm, and magnet pulley is adsorbed on workpiece surface to be checked, adjusts
The elastic component and sliding equipment of whole probe loading arm make probe be bonded with workpiece to be checked, pop one's head in along the long-armed sliding of girder, right
Fillet weld carries out scanning, after scanning, is removed from workpiece to be checked ultrasonic scanner using demagnetization device.
Compared with prior art, the invention has the advantages that：
Three kinds of straight weld, girth joint and fillet weld can be achieved at the same time by the design of girder and arched arm in 01 present invention
The scanning of weld seam, without scanner is needed to change, simple operation, detection cycle is short, efficient；
2. the girder length of the present invention can extend, it can be attached to several different types of probe loading arms, Neng Goutong simultaneously
, it can be achieved that different dimension workpiece scannings, practicability is stronger, operation is more convenient for the scanning of a variety of ultrasonic methods of Shi Shixian；
3. the long-armed angle between galianconism can be adjusted, scanning, positioning can be carried out to the fillet welding crack structure of different angles
Accurately, flexibility is good, shortens detection time, improves accuracy and reliability；
4. probe loading arm can be replaced, different types of probe can be loaded, can realize a variety of supersonic detection methods, pacified
It is convenient to fill, easy to operate；
5. using modularized design, simple in structure, light weight is portable, can be applicable in the working condition of various complexity, and
It is easily installed adjustment and the repair in later stage and maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of ultrasonic scanner of the present invention；
Fig. 2 is the structural schematic diagram of another embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another embodiment of the present invention；
Fig. 4 is the schematic diagram of the probe loading arm of the present invention；And
Fig. 5 is the schematic diagram of the linking arm of the present invention.
Specific implementation mode
Below with reference to the attached drawing exemplary embodiment that the present invention will be described in detail, feature and aspect.It is identical attached in attached drawing
Icon note indicates functionally the same or similar element.Although the various aspects of embodiment are shown in the accompanying drawings, unless special
It does not point out, it is not necessary to attached drawing drawn to scale.
As shown in Figure 1, a kind of ultrasonic scanner comprising girder 1, arched arm 2, magnet-wheel mechanism 3, encoder 4 and spy
Head loading arm 5, girder 1 include long-armed 11, galianconism 12 and the connector 13 of connection long-armed 11 and galianconism 12, and connector 13 configures
For adjusting the angle between long-armed 11 and galianconism 12, the angle between long-armed 11 and galianconism 12 is 0-180 °, long-armed 11 with it is short
The upper surface of arm 12 is equipped with graduation mark (not shown), and long-armed 11 first side is equipped with the first sliding groove, and the of long-armed 11
Two side faces are equipped with second sliding slot, and the first end of connector 13 is fixedly connected with the first end of galianconism 12, and the second of connector 13
End is equipped with the first sliding block, and the first sliding block is clamped into the first sliding groove and can slide and rotate, the first of long-armed 11 in the first sliding groove
End is equipped with the block for preventing connector 13 from sliding, and long-armed 11 the second end is respectively and fixedly provided with arc with the second end of galianconism 12
Arm 2.
The both ends of arched arm 2 are connect by linking arm 32 with magnet-wheel mechanism 3 respectively, arched arm 2 be connected with for record away from
From encoder 4.
Magnet-wheel mechanism 3 includes magnet pulley 31 and demagnetization device (not shown), and magnet pulley 31 is hinged with linking arm 32,
As shown in figure 5, linking arm 32 is H-type structure, the upper end of linking arm 32 is connected to arched arm 2, bottom end and the magnetism of linking arm 32
Wheel 31 is hinged, and linking arm 32 can be adjusted positioned at the distance between the magnet pulley 31 at 2 both ends of arched arm and angle, to realization pair
The scanning of the pipe docking structure of different curvature, demagnetization device are fixed on linking arm 32, and demagnetization device is configured to scanner
It is removed from ferromagnetic workpiece surface without wearing workpiece.
Consolidate as shown in figure 4, probe loading arm 5 includes the second sliding block 51, loading arm 52 and the probe for probe to be clamped
Determine frame 53, loading arm 52 includes fixed arm 521, travelling arm 522 and the elastic element for being connected and fixed arm 521 and travelling arm 522
The top of (not shown) and sliding equipment 523, the second sliding block 51 is connected in second sliding slot, the lower part of the second sliding block 51
It is connected and fixed by handle 511 and fixed arm 521, fixed arm 521 is L-type structure, and travelling arm 522 can be relatively fixed the cunning of arm 521
Dynamic, the lower part of travelling arm 522 is connect with probe fixing bracket 53, and being configured to of elastic element and sliding equipment 523 makes probe
It is more bonded with workpiece to be checked.Probe loading arm 5 can be replaced according to the type of required probe.
Preferably, as shown in Figure 2,3, girder 1 can replace with integrally formed straight beam, and the upper surface of straight beam is equipped with scale
Line, the side and lower surface of straight beam are equipped with sliding slot.
Preferably, the first sliding groove and second sliding slot are T-type sliding slot.
Preferably, the length of girder 1 can extend, and girder 1 can subsidiary at least one probe loading arm 5.
The operation principle of the present invention is described further with reference to embodiments：
As shown in Figure 1, girder 1 includes long-armed 11, galianconism 12 and connector 13, ultrasound phase-control is clamped in probe loading arm 5
The top of battle array (PAUT) probe, the second sliding block 51 of loading arm 5 of popping one's head in is connected in the second sliding slot of long-armed 11 second side, is visited
Head loading arm can be slided along long-armed 11 length direction, and to drive ultrasonic phase array (PAUT) to pop one's head in, completion surpasses weld seam
Sound scanning works.When long-armed 11 are horizontal with galianconism 12, it can be achieved that the ultrasonic phase array (PAUT) of plate docking structure is swept
It looks into；The distance between the magnet pulley 31 at 2 both ends of arched arm and angle are adjusted, adapts it to the curvature of pipe, it can be achieved that pipe is to binding
Ultrasonic phase array (PAUT) scanning of structure；Simultaneously rotating connector 13 and galianconism 12 are slided, is adjusted between long-armed 11 and galianconism 12
Angle, it can be achieved that fillet weld ultrasonic phase array (PAUT) scanning.
In another embodiment, as shown in Fig. 2, ultrasonic phase is clamped in the straight beam that girder 1 is integrally formed, probe loading arm 5
It controls battle array (PAUT) to pop one's head in, the top of the second sliding block 51 of loading arm 5 of popping one's head in is connected in the sliding slot of straight beam side, loading arm of popping one's head in
5 can slide along the length direction of straight beam, to drive ultrasonic phase array (PAUT) pop one's head in, it can be achieved that plate docking structure ultrasonic phase
Control battle array (PAUT) scanning；The distance between the magnet pulley 31 at 2 both ends of arched arm and angle are adjusted, the curvature of pipe is adapted it to, it can
Realize ultrasonic phase array (PAUT) scanning of pipe docking structure.
In another embodiment, as shown in figure 3, the straight beam that girder 1 is integrally formed, when ultrasound is clamped in probe loading arm 5
Poor diffraction approach (TOFD) probe, the top of the second sliding block 51 of loading arm 5 of popping one's head in are connected in the sliding slot of straight beam lower surface, pop one's head in
Loading arm 5 can be slided along the length direction of straight beam, to drive ultrasonic time difference diffraction approach (TOFD) to pop one's head in, it can be achieved that plate is to binding
Ultrasonic time difference diffraction approach (TOFD) scanning of structure；The distance between the magnet pulley 31 at 2 both ends of arched arm and angle are adjusted, keeps it suitable
Should pipe curvature, it can be achieved that pipe docking structure ultrasonic time difference diffraction approach (TOFD) scanning.
To sum up, probe loading arm 5 is interchangeable loading arm, the scanning of a variety of ultrasonic methods can be realized, for example, passing through
Probe loading arm 5 is replaced to replace probe, it can be achieved that ultrasonic phase array (PAUT) and ultrasonic time difference diffraction approach (TOFD) etc. are swept
The conversion of checking method, without replacing scanner；Angle between long-armed 11 and galianconism 12 can be adjusted, and can realize straight weldering simultaneously
The scanning of seam, girth joint and fillet weld, it is easy to operate without replacing scanner, it is time saving and energy saving；The length of girder 1 can be with
Extend, can subsidiary several different types of probe loading arms simultaneously, can be achieved at the same time the scanning of a variety of ultrasonic methods, it can be achieved that
The scanning of different dimension workpieces, practicability is stronger, and operation is more convenient.
Preferably, connection type of the invention uses nut bolt or pin.
Preferably, the present invention is hand-held scanner, can also be designed as mechanical automatic scanning device as needed.
Finally it should be noted that：Above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail referring to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify to the technical solution recorded in previous embodiment, or to which part or all technical features into
Row equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (7)
1. a kind of ultrasonic scanner comprising girder, arched arm, magnet-wheel mechanism, encoder and probe loading arm, feature exist
In：
The girder includes long-armed, galianconism and the long-armed connector with galianconism of connection, and the connector is configured to adjust institute
The long-armed angle between galianconism is stated, the long-armed first side is equipped with the first sliding groove, and the long-armed second side is equipped with
Second sliding slot, the first end of the connector are fixedly connected with the first end of the galianconism, and the second end of the connector is set
There is the first sliding block, first sliding block is clamped into the first sliding groove and can slide and rotate in the first sliding groove, described
Long-armed first end is equipped with the block for preventing the connector from sliding, the long-armed the second end and the second of the galianconism
End is respectively and fixedly provided with the arched arm；
The both ends of the arched arm are connect by linking arm with the magnet-wheel mechanism respectively, and the arched arm is connected with for recording
The encoder of distance；
The magnet-wheel mechanism includes magnet pulley and demagnetization device, and the bottom end of the magnet pulley and the linking arm is hinged, described
Linking arm can be adjusted positioned at the distance between the magnet pulley at the arched arm both ends and angle, and the demagnetization device is fixed
On the linking arm；And
The probe loading arm includes the second sliding block, loading arm and the probe fixing bracket for probe to be clamped, the loading arm
Including fixed arm, travelling arm and the elastic element and sliding equipment that are connected and fixed arm and travelling arm, second sliding block it is upper
Portion is connected in the second sliding slot, and the lower part of second sliding block is connected and fixed by handle and the fixed arm, the cunning
The lower part of swing arm is connect with the probe fixing bracket, and the elastic component and sliding equipment are configured to make probe and work to be checked
Part fits together.
2. ultrasonic scanner according to claim 1, it is characterised in that：The long-armed upper surface with galianconism is equipped with scale
Line.
3. ultrasonic scanner according to claim 1, it is characterised in that：The probe loading arm is the load that can be replaced
Arm.
4. ultrasonic scanner according to claim 1, it is characterised in that：The linking arm is H-type structure.
5. ultrasonic scanner according to claim 1, it is characterised in that：The fixed arm is L-type structure.
6. ultrasonic scanner according to claim 1, it is characterised in that：The length of the girder can extend, the master
Beam is equipped at least one probe loading arm.
7. a kind of detection method using the ultrasonic scanner as described in claim 1-6 is any, it is characterised in that：It includes following
Step,
S1, it being detected according to the structure of workpiece to be checked selection girder and probe loading arm, specific choice mode is as follows,
1. when detecting tablet docking structure, it is adjusted to horizontality with galianconism by long-armed, when choosing ultrasonic phase array or ultrasound
The corresponding probe loading arm of poor diffraction approach carries out scanning to straight weld；
2. when detection pipe docking structure, it is adjusted to horizontality with galianconism by long-armed, chooses ultrasonic phase array or ultrasonic time difference
The corresponding probe loading arm of diffraction approach realizes the scanning to girth joint；
3. when detecting fillet weld structural member, the long-armed angle between galianconism is adjusted by rotating connector, makes itself and angle
Weld seam angle is consistent, chooses the corresponding probe loading arm of ultrasonic phase array, and scanning is carried out to fillet weld；
S2, when detecting tablet docking structure, horizontality is adjusted to galianconism by long-armed, by ultrasonic phase array probe or ultrasound
Time difference diffraction approach probe is mounted on corresponding probe loading arm, and magnet pulley is adsorbed on workpiece surface to be checked, adjustment probe load
The elastic component and sliding equipment of arm make probe be bonded with workpiece to be checked, and sliding probe carries out scanning to straight weld, and scanning finishes
Afterwards, ultrasonic scanner is removed from workpiece to be checked using demagnetization device；
When detection pipe docking structure, it is adjusted to horizontality with galianconism by long-armed, using between linking arm adjusting magnet pulley
Distance adapts to the curvature of pipe docking structure with angle, by ultrasonic phase array probe or ultrasonic time difference diffraction approach probe be mounted on pair
On the probe loading arm answered, magnet pulley is adsorbed on workpiece surface to be checked, the elastic component and sliding equipment of adjustment probe loading arm
Probe is set to be bonded with workpiece to be checked, sliding probe, carrying out scanning to girth joint will be ultrasonic using demagnetization device after scanning
Scanner is removed from workpiece to be checked；
When detecting fillet weld structural member, the long-armed angle between galianconism is adjusted by rotating connector, makes itself and fillet welding
It is consistent to stitch angle, ultrasonic phase array probe is mounted on probe loading arm, magnet pulley is adsorbed on workpiece surface to be checked, and adjustment is visited
The elastic component and sliding equipment of head loading arm make probe be bonded with workpiece to be checked, pop one's head in along the long-armed sliding of girder, to fillet welding
Seam carries out scanning, after scanning, is removed from workpiece to be checked ultrasonic scanner using demagnetization device.
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| CN115184473B (en) * | 2022-07-21 | 2024-04-26 | 西安热工研究院有限公司 | T-shaped end-face fastener phased array cylindrical surface guided wave ultrasonic detection combined probe |
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