CN109884189A - A kind of ultrasonic flaw detecting device - Google Patents
A kind of ultrasonic flaw detecting device Download PDFInfo
- Publication number
- CN109884189A CN109884189A CN201910297338.0A CN201910297338A CN109884189A CN 109884189 A CN109884189 A CN 109884189A CN 201910297338 A CN201910297338 A CN 201910297338A CN 109884189 A CN109884189 A CN 109884189A
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- China
- Prior art keywords
- probe
- shaft coupling
- detecting device
- main body
- ultrasonic flaw
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of ultrasonic flaw detecting device comprising a main body, one swing coupling piece, an induction shaft coupling and a probe.Main body has a sleeve；Swinging coupling piece, there is a first end and a second end, first end to connect with main body；Induction shaft coupling is connected to second end；One probe connection is placed in induction shaft coupling, when probe touches the boss side of workpiece surface during the traversing flaw detection, induction shaft coupling can relative sleeve swing, so that main body opposite piece is lifted, detected a flaw with complying with the variation of shape of workpiece surface.
Description
Technical field
The present invention relates to a kind of failure detector, in particular to a kind of ultrasonic wave that can be complied with workpiece configurations and detect a flaw
Failure detector.
Background technique
Ultrasonic probe visits workpiece in the case where being not directly contacted with workpiece surface, using ultrasonic technology
Wound, can check inside workpiece defect, to ensure workpiece quality.
It detects a flaw however, the mode of existing ultrasonic examination is placed directly against workpiece surface using ultrasonic probe, such as work
When part is the tubing or bar of rotation, workpiece surface is if out-of-flatness, then ultrasonic probe is easy to rub or hit with it, in turn
Lead to the damage of ultrasonic probe, therefore, the damage of ultrasonic probe how is avoided during flaw detection, to be solved for the present invention
One of certainly the problem of.
Summary of the invention
To solve the above problems, touching the convex of workpiece in probe present invention discloses a kind of ultrasonic flaw detecting device
When platform side, probe, which can generate, swings and then lifts the height or distance relative to workpiece of popping one's head in, with comply with workpiece configurations into
Row flaw detection, and can be avoided probe damage.
In order to achieve the above object, providing a kind of ultrasonic flaw detecting device in the embodiment of the present invention comprising a main body, one swing
Coupling piece, an induction shaft coupling and a probe.Main body, is axially arranged with a sleeve, and sleeve has an axis hole；Swing coupling piece tool
There are a first end and a second end, first end to connect with main body；Induction shaft coupling is connected to second end；Probe downlink connection is placed in sense
Shaft coupling is answered, when probe touches the boss side of workpiece surface during traversing flaw detection, induction shaft coupling can be opposite
Sleeve is swung, and so that main body opposite piece is lifted, is detected a flaw with complying with the variation of shape of workpiece surface.
In another embodiment, swinging coupling piece has a flexible structure between first end and second end.
In another embodiment, flexible structure is located at the outer peripheral edge for swinging coupling piece, and swings coupling piece with a mesoporous
Run through first end and second end.
In another embodiment, the opposite periphery for swinging coupling piece of flexible structure is indent helicla flute.
In another embodiment, including a sensing unit is set between induction shaft coupling and sleeve and one electrically connects
It is connected to the controller of sensing unit, sensing unit generates sensor signal to controller when incuding shaft coupling and barrel contacts,
So that controller control main body lifts.
In another embodiment, sensing unit is the periphery that several metal salient points are located on induction shaft coupling, and sleeve is gold
Belong to material.
It in another embodiment, swings and is equipped with a radial expansion structure between coupling piece and probe, so that probe meets workpiece
It can bounce back with respect to main body when the boss on surface.
In another embodiment, induction shaft coupling includes a beam barrel and a shaft member, and beam barrel, which is connected to, swings the of coupling piece
Two ends, shaft member one end are connected to beam barrel, and the other end is connected to probe, radial expansion structure be a compressed spring and be set to beam barrel with
Between shaft member.
It is axially arranged with several induction pieces in another embodiment, in beam barrel and controller is electrically connected, compressed spring is set to
In beam barrel, when compressed spring is in compression process, the induction pieces can perceive probe retraction degree, so as to controller control
The lifting degree of main body.
In another embodiment, induction shaft coupling further includes one first stop part and one second stop part, the first stop part
Set is fixed in beam barrel and in contrast to the one end for swinging coupling piece, and the second stop part is fixed on the end of shaft member and compressed spring supports
Pressure, under normal conditions, the first stop part is mutually kept out with the second stop part, when probe retraction, the first stop part and the second backstop
Part is disengaged from each other.
Therefore, the present invention has flexible structure because swinging coupling piece, when so that probe touching the boss side of workpiece, and
It can lift or pull-up is popped one's head in, to comply with the surface shape of workpiece, carry out complete carrying out flaw detection.
Furthermore the present invention also has radial expansion structure, and so that probe is generated when touching the boss of workpiece and inspire letter
Number, and then control device is made to do discrepancy retracting action, to avoid probe damage, letter is inspired in case of radial expansion structure repeatedly generates
Number, then the surface that can perceive workpiece is out-of-flatness, and then device can be popped one's head in adjust automatically and the height relationships of workpiece.
Detailed description of the invention
Fig. 1 is the schematic diagram of ultrasonic flaw detecting device appearance of the present invention.
Fig. 2 is ultrasonic flaw detecting device structural decomposition diagram of the present invention.
Fig. 3 is ultrasonic flaw detecting device diagrammatic cross-section of the present invention.
Fig. 4 is the partial enlargement diagram of Fig. 3 of the present invention.
Fig. 5 is ultrasonic flaw detecting device of the present invention flaw detection operation schematic diagram, when display probe meets the boss of workpiece, and makes to visit
Head is generated and is inside contracted.
Fig. 6 is ultrasonic flaw detecting device of the present invention flaw detection operation schematic diagram, and display probe lifts relative to workpiece and is lifted.
Fig. 7 is ultrasonic flaw detecting device of the present invention flaw detection operation schematic diagram, when display probe meets the boss side of workpiece, and
Probe is set to generate swing.
Fig. 8 is that ultrasonic flaw detecting device of the present invention is detected a flaw operation schematic diagram, and display probe corresponds to workpiece and pull-up and adjusts
To boss.
In figure: ultrasonic flaw detecting device 100；Main body 10；Sleeve 11；Axis hole 12；First engaging portion 13；Swing coupling piece
20；First end 21；Second end 22；Mesoporous 23；Flexible structure 24；Incude shaft coupling 30；Beam barrel 31；Second engaging portion 311；Induction
Part 312；Shaft member 32；First stop part 33；Second stop part 34；Probe 40；Set screw 50；Radial expansion structure 60；Control
Device 70；Sensing unit 80；Metal salient point 81；Workpiece 1；Boss 2.
Specific embodiment
Referring to each attached drawing detailed description of the present invention exemplary embodiment, and it is not intended to technical principle of the invention
It is limited to specifically disclosed embodiment, and the scope of the present invention is only limited by claim, covers substitution, is modified and is waited
Jljl.
It please refers to shown in Fig. 1 to Fig. 8, the present invention is a kind of ultrasonic flaw detecting device 100 comprising a main body 10, one pendulum
Dynamic coupling piece 20, one incudes shaft coupling 30 and a probe 40, ultrasonic flaw detecting device 100 can using probe 40 with it is non-contact in
The surface of workpiece 1 carries out ultrasonic examination without direct contact workpiece 1, to detect inside workpiece 1 with the presence or absence of defect.And work
Part 1 is solid bar in the present invention, and solid bar is installed in board, can generate rotation when detection.
Main body 10, is axially arranged with a sleeve 11, and sleeve 11 has an axis hole 12.In addition, main body 10 is in 12 inner shaft of axis hole
To one first engaging portion 13 of projection, in the embodiment of the present invention, sleeve 11 is metal material.
Coupling piece 20 is swung, there is a first end 21 and a second end 22, coupling piece 20 is swung and is penetrated through with a mesoporous 23
In first end 21 and second end 22.First end 21 is connected to main body 10, and further, first end 21 is located at axis hole 12 and utilizes
23 one end of hole is socketed on the first engaging portion 13, makes to swing coupling piece 20 and main body 10 links, wherein first end 21 can be through only
It pays screw 50 and is locked in the first engaging portion 13.In the embodiment of the present invention, swinging coupling piece 20 has a flexible structure 24
Between first end 21 and second end 22, as shown in Figures 2 and 3, flexible structure 24 is to be located at the outer peripheral edge for swinging coupling piece 20,
And opposite outer circumference edge is indent helicla flute so that swing stress and strain of the coupling piece 20 at flexible structure 24 be it is non-linear,
When causing to swing 20 22 stress of second end of coupling piece, bending force of the second end 22 relative to first end 21 can be promoted, make to swing
Coupling piece 20 swings ability in having in sleeve 11.
The present invention further includes a radial expansion structure 60, is set to and swings between coupling piece 20 and probe 40, to pop one's head in
It when the boss 2 on 40 chance 1 surfaces of workpiece, and can bounce back with respect to main body 10, cause to damage to avoid colliding between probe 40 and boss 2
It is bad.In the embodiment of the present invention, radial expansion structure 60 be compressed spring, be set to induction shaft coupling 30 in, but not as
Limitation.
Incude shaft coupling 30, is connected to the second end 22 for swinging coupling piece 20.In the embodiment of the present invention, shaft coupling is incuded
30 include a beam barrel 31, a shaft member 32, the first stop part 33 and one second stop part 34.31 one end of beam barrel is convexly equipped with one second knot
Conjunction portion 311 will swing coupling piece 20 and beam barrel using the set screw 50 to be connected to the other end of mesoporous 23, and also
31 connections, make beam barrel 31 be connected to the second end 22 for swinging coupling piece 20.And 32 one end of shaft member is connected to beam barrel 31, the other end is then
It is connected to probe 40, so that probe 40 is connected to induction shaft coupling 30, wherein radial expansion structure 60 is set to beam barrel 31 and shaft member 32
Between.
First stop part 33, is hollow annular construction member with the end, and the first 33 sets of stop part is fixed in beam barrel 31 and in contrast to pendulum
One end of dynamic coupling piece 20.Second stop part 34 is generally fixed on the end of shaft member 32, and radial expansion structure in short cylindrical block
60 are set in beam barrel 31 and press on the second stop part 34, and under normal conditions, the first stop part 33 is mutually supported with the second stop part 34
Gear, radial expansion structure 60 is limited to avoid its abjection in beam barrel 31, and when probe 40 encounters boss 2 and generates retraction
When, the first stop part 33 is then disengaged from each other with the second stop part 34.
In addition, the present invention further includes a controller 70, and several induction pieces 312 and controller 70 are axially arranged in beam barrel 31
Electrical connection when the 40 retraction degree of perception probe in 60 compression process of radial expansion structure, and then makes controller 70 according to pressure
Contracting spring degree, and the lifting degree such as the driving device (not drawing in figure) of air pressure or oil pressure control main body 10 is utilized, that is,
When probe 40 encounters the biggish boss 2 of outer diameter, controller 70 then can control driving device and correspond to adjustment main body 10 relative to
The distance of workpiece 1.
Further, the present invention further includes a sensing unit 80, is set between induction shaft coupling 30 and sleeve 11, and electricity
Property is connected to controller 70.Wherein, sensing unit 80 is the beam barrel 31 that a plurality of metal salient points 81 are located on induction shaft coupling 30
Periphery.When pop one's head in 40 touch 2 side of boss of workpiece 1 during the traversing flaw detection when, induction shaft coupling 30 is because can be by
Swing coupling piece 20 flexible structure 24 and relative sleeve 11 generate swing, so that the sensing unit 80 of 31 periphery of beam barrel contacts at
Sensor signal is generated after the inner wall of axis hole 12, and sends sensor signal to controller 70 and handles, and controls controller 70
Driving device, and 10 opposite piece 1 of main body is enable to lift, to comply with the surface shape of workpiece 1, carry out complete flaw detection inspection
It surveys, prevents probe 40 from knocking workpiece 1 and causing to damage.
As shown in figure 5, due to the relationship of radial expansion structure 60, so that probe 40 touches work in flaw detection displacement process
When the boss 2 of part 1, probe 40 and can opposite main body 10 generate retraction, avoid the direct collision of probe 40 and workpiece 1 whereby and damage
Wound, further, since workpiece can be perceived such as more than 60 several retractions of radial expansion structure by being equipped with induction pieces 312 in beam barrel 31
1 surface is out-of-flatness, and so probe 40 needs further adjustment between the contact relation workpiece 1, to be controlled using controller 70
It makes and adjusts height or distance of the probe 40 relative to workpiece 1, as shown in fig. 6, probe 40 lifts relative to workpiece 1 and is lifted.
As shown in Figures 7 and 8, e.g. convex when probe 40 touches the boss 2 of workpiece 1 during traversing flaw detection
The side wall of platform 2, then probe 40 can generate swing according to touching, and make to incude the swing of 30 relative sleeve 11 of shaft coupling, keep induction single
The metal salient point 81 of member 80 generates induction after touching the inner wall of axis hole 12, and then controls main body 10 through controller 70 and make it
Probe 40 is lifted far from workpiece 1, then continues to detect a flaw on the surface for being moved to boss 2, in this way, can be suitable
It answers the shape on 1 surface of workpiece to detect a flaw, reaches the complete carrying out flaw detection for workpiece 1.
Therefore, the present invention is according to aforementioned structure feature, and has the advantage that
1. the present invention has flexible structure 24 through coupling piece 20 is swung, when touching 2 side of boss to perceive probe 40, and
Can lift or pull-up probe 40, to comply with the surface shape of workpiece 1, carry out complete carrying out flaw detection.
2. the present invention is equipped with radial expansion structure 60 between swing coupling piece 20 and probe 40 and touches probe 40
Retraction can be generated when the boss 2 of workpiece 1, avoid 40 damage of probe.
3. the present invention when probe 40 inside contracts, can perceive the neck-in of compressed spring, using induction pieces 312 to carry out
The corresponding of 40 opposite pieces 1 of popping one's head in adjusts, in addition, can perceive 1 surface of workpiece when meeting probe more than 40 times retractions as injustice
It is whole, further adjust height or distance of the probe 40 relative to workpiece 1.
Although the present invention is explained with a most preferred embodiment, be skillful in this those skilled in the art can not depart from spirit of that invention with
Under the scope of make various various forms of changes.Embodiment provided above is only to illustrate the present invention, non-to limit this hair
Bright range.Such as various modifications or change that spirit of that invention is engaged in are not disobeyed, all belong to scope of the present invention patent.
Claims (10)
1. a kind of ultrasonic flaw detecting device, characterized by comprising:
One main body, is axially arranged with a sleeve, and the sleeve has an axis hole；
One swings coupling piece, has a first end and a second end, and the first end is connect with the main body；
One induction shaft coupling, is connected to the second end；And
One probe, is connected to described in the induction shaft coupling, when the probe touches workpiece surface during traversing flaw detection
Boss side when, the induction shaft coupling sleeve can be swung relatively, so that the main body opposite piece is lifted, with
The variation for complying with the shape of workpiece surface is detected a flaw.
2. ultrasonic flaw detecting device as described in claim 1, which is characterized in that the swing coupling piece has a flexible structure
Between the first end and the second end.
3. ultrasonic flaw detecting device as claimed in claim 2, which is characterized in that the flexible structure is located at the swing shaft coupling
The outer peripheral edge of part, and there is the swing coupling piece mesoporous to run through the first end and the second end.
4. ultrasonic flaw detecting device as claimed in claim 3, which is characterized in that the relatively described swing shaft coupling of the flexible structure
The periphery of part is indent helicla flute.
5. ultrasonic flaw detecting device as claimed in claim 2, it is characterised in that further include that a sensing unit is set to the sense
Answer between shaft coupling and the sleeve and one be electrically connected in the sensing unit controller, the sensing unit is in institute
Sensor signal is generated when stating induction shaft coupling and the barrel contacts and sends the controller to, so that the controller controls institute
Main body is stated to lift.
6. ultrasonic flaw detecting device as claimed in claim 5, which is characterized in that the sensing unit is several metal salient point rings
Set on the periphery of the induction shaft coupling, the sleeve is metal material.
7. ultrasonic flaw detecting device as described in claim 1, which is characterized in that between the swing coupling piece and the probe
Equipped with a radial expansion structure, so that being capable of the relatively described main body retraction when boss of the probe chance workpiece surface.
8. ultrasonic flaw detecting device as claimed in claim 7, which is characterized in that the induction shaft coupling includes a beam barrel and one
Shaft member, the beam barrel are connected to the second end for swinging coupling piece, and described shaft member one end is connected to the beam barrel, and the other end connects
It is connected to the probe, the radial expansion structure is a compressed spring and is set between the beam barrel and the shaft member.
9. ultrasonic flaw detecting device as claimed in claim 8, it is characterised in that further include a controller, axial direction in the beam barrel
It is electrically connected equipped with several induction pieces and the controller, the compressed spring is set in the beam barrel, when the compressed spring
In compression process, the equal induction pieces can perceive the probe and inside contract degree, so that the controller controls the main body
Lifting degree.
10. ultrasonic flaw detecting device as claimed in claim 9, it is characterised in that the induction shaft coupling, which further includes one first, to be stopped
Block piece and one second stop part, the first stop part set be fixed in the beam barrel and in contrast to it is described swing coupling piece one end,
Second stop part is fixed on the end of the shaft member and is compressed by the compressed spring, under normal conditions, first backstop
Part is mutually kept out with second stop part, when probe retraction, first stop part and second stop part that
This is detached from；Further include that a sensing unit is set between the induction shaft coupling and the sleeve, the sensing unit with it is described
Controller electrical connection, the sensing unit generate sensor signal to described when the induction shaft coupling and the barrel contacts
Controller lifts so that the controller controls the main body；The sensing unit is that several metal salient points are located on the sense
The periphery of shaft coupling is answered, the sleeve is metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297338.0A CN109884189A (en) | 2019-04-15 | 2019-04-15 | A kind of ultrasonic flaw detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297338.0A CN109884189A (en) | 2019-04-15 | 2019-04-15 | A kind of ultrasonic flaw detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109884189A true CN109884189A (en) | 2019-06-14 |
Family
ID=66937256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910297338.0A Withdrawn CN109884189A (en) | 2019-04-15 | 2019-04-15 | A kind of ultrasonic flaw detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109884189A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1130512A (en) * | 1997-07-09 | 1999-02-02 | Ueda Nippon Musen Kk | Measurement surface-following thickness meter probe |
| CN1928545A (en) * | 2006-09-18 | 2007-03-14 | 中国第二重型机械集团公司 | Ultrasonic online flaw detecting equipment |
| CN105229437A (en) * | 2013-05-07 | 2016-01-06 | 阿特拉斯·科普柯工业技术公司 | For the sensor unit of ultrasonic communication |
| CN105806961A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Elastic coupling device of ultrasonic testing probe |
| CN206020535U (en) * | 2016-08-31 | 2017-03-15 | 西安隆基硅材料股份有限公司 | Probe detector |
-
2019
- 2019-04-15 CN CN201910297338.0A patent/CN109884189A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1130512A (en) * | 1997-07-09 | 1999-02-02 | Ueda Nippon Musen Kk | Measurement surface-following thickness meter probe |
| CN1928545A (en) * | 2006-09-18 | 2007-03-14 | 中国第二重型机械集团公司 | Ultrasonic online flaw detecting equipment |
| CN105229437A (en) * | 2013-05-07 | 2016-01-06 | 阿特拉斯·科普柯工业技术公司 | For the sensor unit of ultrasonic communication |
| CN105806961A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Elastic coupling device of ultrasonic testing probe |
| CN206020535U (en) * | 2016-08-31 | 2017-03-15 | 西安隆基硅材料股份有限公司 | Probe detector |
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Application publication date: 20190614 |