CN209640294U - A kind of novel electromagnetic ultrasonic guide wave scanning equipment - Google Patents
A kind of novel electromagnetic ultrasonic guide wave scanning equipment Download PDFInfo
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- CN209640294U CN209640294U CN201920225953.6U CN201920225953U CN209640294U CN 209640294 U CN209640294 U CN 209640294U CN 201920225953 U CN201920225953 U CN 201920225953U CN 209640294 U CN209640294 U CN 209640294U
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Abstract
The utility model relates to a kind of electromagnetic ultrasonic guide wave flaw detection devices, it in particular is a kind of novel electromagnetic ultrasonic guide wave scanning equipment, including encoder, coil interface, bearing wheel I, bearing side wheel I, bearing side wheel II, bracket I, bearing wheel II, bracket II, flexible coil, shell, spring supporting column I, spring I, encoder bracket II, mileage wheel, bearing side wheel III, coil floor, encoder bracket I, spring supporting column II, spring II and bearing side wheel IV, bearing wheel I and bearing wheel II have been respectively fixedly connected between the bracket I and the both ends of bracket II；It may not need couplant, without being pre-processed to surface of test piece, structure is simple, defect can accurately be shown in Acoustic Wave Propagation direction, the position of the scanning equipment direction of motion, solved the problems, such as brought by the position as electromagnetic ultrasonic guide wave technology scanning defect and the defects count that may occur simultaneously judgement inaccuracy.
Description
Technical field
The utility model relates to a kind of electromagnetic ultrasonic guide wave flaw detection devices, are in particular a kind of novel electromagnetic acoustics
Guided wave scanning equipment.
Background technique
Pipeline, storage tank, plate etc. are widely used in the industrial production.But due to severe working environment and for a long time
Work online, the large scale industries structure such as industrial pipeline, storage tank and plate be easy to appear crackle, corrosion the defects of, cause safety it is hidden
Suffer from.Corresponding measure is taken by detecting defect, economic benefit can be improved, avoid accident.Therefore, to industrial pipeline, storage
The large scale industries such as tank and plate structure is periodically carried out non-destructive testing to be of great significance with on-line monitoring for a long time.
Ultrasonic detecting technology is the detection technique that frequency of usage highest, application range are most wide in current field of non destructive testing.
According to the type of ultrasonic wave, ultrasound detection is divided into bulk wave detection and Guided waves.Compared with other ultrasonic detecting technologies, guided wave inspection
Survey method have the advantage that guided wave in communication process by the constraint of dielectric boundaries, energy decay along propagation path it is small, therefore
It may be implemented to detect over long distances；Supersonic guide-wave sound field energy 100% covers waveguide sections, it can be found that any position in detection range
The defect set；The wave structure of guided wave is complex, corresponding wave structure can be selected by scheme control, to different types of defect
It is identified.
Common guided wave detection technology mainly has two kinds of piezoelectric supersonic technology, electromagnetic acoustic technology.Piezoelectric supersonic guided wave skill
Art conversion efficiency is high, can be realized long range defects detection.But couplant is needed, test point is fixed, and working efficiency is low, is being tied
On structure, piezoelectricity guided wave sensor needs fixture, and structure is complicated, volume is big, at high cost.
Utility model content
The purpose of the utility model is to provide a kind of novel electromagnetic ultrasonic guide wave scanning equipments, using electromagnetic acoustic technology
Non-contact measurement may not need couplant, without pre-processing surface of test piece, can be adapted for detecting pipeline, storage tank, plate
Etc. a variety of industrial structures.
The purpose of this utility model is achieved through the following technical solutions:
A kind of novel electromagnetic ultrasonic guide wave scanning equipment, including encoder, coil interface, bearing wheel I, bearing side wheel I,
Bearing side wheel II, bracket I, bearing wheel II, bracket II, flexible coil, shell, spring supporting column I, spring I, encoder bracket
II, mileage wheel, bearing side wheel III, coil floor, encoder bracket I, spring supporting column II, spring II and bearing side wheel IV, institute
It states and has been respectively fixedly connected with bearing wheel I and bearing wheel II between bracket I and the both ends of bracket II, the middle-end of bracket I and bracket II
Between be fixedly connected with shell, the outside of bracket I is fixedly connected with bearing side wheel I and bearing side wheel II, and the outside of bracket II is solid
Surely it is connected with bearing side wheel III and bearing side wheel IV, flexible coil and coil floor are fixedly connected on the shell, coil interface
It is connected with flexible coil and coil floor, encoder bracket I is fixedly connected on the side of shell, and the upper end of encoder bracket II is solid
Determine connecting spring support column I and spring supporting column II, spring supporting column I and spring supporting column II are slidably connected at encoder branch
On frame I, spring I and spring II are respectively installed on spring supporting column I and spring supporting column II, spring I and spring II are respectively positioned on
Between encoder bracket I and encoder bracket II, encoder is fixedly connected on encoder bracket II, the rotation axis of encoder is worn
Encoder bracket II is crossed, mileage wheel is fixedly connected in the rotation axis of encoder.
As advanced optimizing for the technical program, a kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model,
It is solid that the flexible coil is provided with coil fixation hole I, coil fixation hole II, coil fixation hole III, coil interface fixation hole, coil
Determine hole IV and tortuous coil.
As advanced optimizing for the technical program, a kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model,
The novel electromagnetic ultrasonic guide wave scanning equipment further includes hand the turn of the screw I, hand the turn of the screw II, hand the turn of the screw III and hand the turn of the screw
IV, it is respectively corresponded by hand the turn of the screw I, hand the turn of the screw II, hand the turn of the screw III and hand the turn of the screw IV across coil fixation hole IV, line
Flexible coil is fixedly connected on the shell with coil fixation hole II by screw thread by circle fixation hole III, coil fixation hole I.
As advanced optimizing for the technical program, a kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model,
Coil floor corresponding interface fixation hole is provided on the coil floor, coil interface is connected with coil interface fixation hole, line
Circle interface is connected with coil floor corresponding interface fixation hole.
As advanced optimizing for the technical program, a kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model,
The novel electromagnetic ultrasonic guide wave scanning equipment further includes nut I and nut II, and nut I and nut II are connected by screw thread respectively
It connects on spring supporting column I and spring supporting column II, the lower end surface and encoder bracket I of nut I and nut II contact.
As advanced optimizing for the technical program, a kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model,
The axle center of the mileage wheel is located on the symmetry axis of IV vertical direction of bearing side wheel III and bearing side wheel.
As advanced optimizing for the technical program, a kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model,
The bearing side wheel I and bearing side wheel II and bearing side wheel III and bearing side wheel IV are symmetrical arranged.
A kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model has the beneficial effect that
A kind of novel electromagnetic ultrasonic guide wave scanning equipment of the utility model, using the contactless survey of electromagnetic acoustic technology
Amount, may not need couplant, and without pre-processing to surface of test piece, structure is simple, can accurately show defect in Acoustic Wave Propagation
Direction, the scanning equipment direction of motion position, solve due to electromagnetic ultrasonic guide wave technology scanning defect position and may be simultaneously
Problem brought by the defects count judgement inaccuracy of appearance.
Detailed description of the invention
The utility model is described in more detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the novel electromagnetic ultrasonic guide wave scanning equipment front view of the utility model；
Fig. 2 is the structural schematic diagram of the novel electromagnetic ultrasonic guide wave scanning equipment top view of the utility model；
Fig. 3 is the structural schematic diagram of the novel electromagnetic ultrasonic guide wave scanning equipment left view of the utility model；
Fig. 4 is the structural schematic diagram of the novel electromagnetic ultrasonic guide wave scanning equipment right view of the utility model；
Fig. 5 is the structural schematic diagram of the novel electromagnetic ultrasonic guide wave scanning equipment flexible coil of the utility model；
Fig. 6 is the structural schematic diagram of the novel electromagnetic ultrasonic guide wave scanning equipment coil floor of the utility model.
In figure: encoder 2；Nut I 3；Hand the turn of the screw I 4；Coil interface 5；Bearing wheel I 6；Hand the turn of the screw II 7；Upper casing 8；
Bearing side wheel I 9；Bearing side wheel II 10；Bracket I 11；Hand the turn of the screw III 12；Bearing wheel II 13；Hand the turn of the screw IV 14；Bracket II
15；Nut II 16；Screw I 17；Screw II 18；Flexible coil 19；Screw III 20；Screw IV 21；Shell 22；Spring supporting column I
23；Spring I 24；Encoder bracket II 25；Mileage wheel 26；Bearing side wheel III 27；Coil floor 28；Encoder bracket I 29；Coil
Fixation hole I 30；Coil fixation hole II 31；Coil fixation hole III 32；Coil interface fixation hole 33；Coil fixation hole IV 34；It is tortuous
Coil 35；Coil floor fixation hole I 36；Coil floor fixation hole II 37；Coil floor corresponding interface fixation hole 38；Spring supporting
Column II 39；Spring II 40；Bearing side wheel IV 41；Encoder interfaces 42.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Specific embodiment 1:
Illustrate present embodiment, a kind of novel electromagnetic ultrasonic guide wave scanning equipment, including encoder below with reference to Fig. 1-6
2, coil interface 5, bearing wheel I 6, bearing side wheel I 9, bearing side wheel II 10, bracket I 11, bearing wheel II 13, bracket II 15, flexibility
Coil 19, shell 22, spring supporting column I 23, spring I 24, encoder bracket II 25, mileage wheel 26, bearing side wheel III 27, coil
Bottom plate 28, encoder bracket I 29, spring supporting column II 39, spring II 40 and bearing side wheel IV 41, the bracket I 11 and bracket
Bearing wheel I 6 and bearing wheel II 13 are respectively fixedly connected between II 15 both ends, between bracket I 11 and the middle-end of bracket II 15
It is fixedly connected with shell 22, the outside of bracket I 11 is fixedly connected with bearing side wheel I 9 and bearing side wheel II 10, bracket II 15
Outside is fixedly connected with bearing side wheel III 27 and bearing side wheel IV 41, and flexible coil 19 and coil floor 28 are fixedly connected with
On shell 22, coil interface 5 is connected with flexible coil 19 and coil floor 28, and encoder bracket I 29 is fixedly connected on shell 22
Side, the upper end of encoder bracket II 25 is fixedly connected with spring supporting column I 23 and spring supporting column II 39, spring supporting column I
23 and spring supporting column II 39 be slidably connected on encoder bracket I 29, spring supporting column I 23 and spring supporting column II 39
On be respectively installed with spring I 24 and spring II 40, spring I 24 and spring II 40 are respectively positioned on encoder bracket I 29 and encoder branch
Between frame II 25, encoder 2 is fixedly connected on encoder bracket II 25, the rotation axis of encoder 2 passes through encoder bracket II
25, mileage wheel 26 is fixedly connected in the rotation axis of encoder 2；In order to excite electromagnetic ultrasonic guide wave, flexible coil 19 is using bent
Broken line coil structures, the opposite adjacent wires spacing of current direction are half-wavelength；By solving the characteristic equation of guided wave in pipeline, really
Determine guided wave frequency and the velocity of sound, wavelength can be calculated according to formula λ=c/f, so that it is determined that coil-span, is made of PCB technology；It is logical
It crosses welding to connect coil interface 5 and coil interface fixation hole 33, by welding 38 phase of coil interface 5 and interface fixation hole
Connection is fixed with hand the turn of the screw I 4, hand the turn of the screw II 7, hand the turn of the screw III 12 and hand the turn of the screw IV 14 are corresponding across flexible coil
Hole 34, coil fixation hole 32, coil fixation hole 30, coil fixation hole 31 are fixed on shell 22；Coil interface 5 and encoder connect
Mouth 42 using thunder, do not lead to after receiving energy converter and reception device reception processing by connecting line connecting detection equipment, echo-signal
Host computer is crossed to show.
Specific embodiment 2:
Illustrate that present embodiment, present embodiment are described further embodiment one below with reference to Fig. 1-6, it is described soft
Property coil 19 is provided with coil fixation hole I 30, coil fixation hole II 31, coil fixation hole III 32, coil interface fixation hole 33, line
Enclose fixation hole IV 34 and tortuous coil 35.
Specific embodiment 3:
Illustrate that present embodiment, present embodiment are described further embodiment two below with reference to Fig. 1-6, it is described new
The electromagnetic ultrasonic guide wave scanning equipment of type further includes hand the turn of the screw I 4, hand the turn of the screw II 7, hand the turn of the screw III 12 and hand the turn of the screw IV
14, it respectively corresponds and is fixed across coil by hand the turn of the screw I 4, hand the turn of the screw II 7, hand the turn of the screw III 12 and hand the turn of the screw IV 14
Hole IV 34, coil fixation hole III 32, coil fixation hole I 30 and coil fixation hole II 31 are fixed by flexible coil 19 by screw thread
It is connected on shell 22.
Specific embodiment 4:
Illustrate that present embodiment, present embodiment are described further embodiment three below with reference to Fig. 1-6, states coil
Coil floor corresponding interface fixation hole 38 is provided on bottom plate 28, coil interface 5 is connected with coil interface fixation hole 33, coil
Interface 5 is connected with coil floor corresponding interface fixation hole 38.
Specific embodiment 5:
Illustrate that present embodiment, present embodiment are described further embodiment four below with reference to Fig. 1-6, it is described new
The electromagnetic ultrasonic guide wave scanning equipment of type further includes nut I 3 and nut II 16, and nut I 3 and nut II 16 are connected by screw thread respectively
It connects on spring supporting column I 23 and spring supporting column II 39, the lower end surface and encoder bracket I 29 of nut I 3 and nut II 16 connect
Touching.
Specific embodiment 6:
Illustrate present embodiment below with reference to Fig. 1-6, present embodiment is described further embodiment five, in described
The axle center of journey wheel 26 is located on the symmetry axis of IV 41 vertical direction of bearing side wheel III 27 and bearing side wheel；Avoid scanning equipment in pipe
Mileage axis can not be bonded with tube wall when road structure is detected a flaw, and cause to receive information inaccuracy, top passes through bullet with spring supporting column I 23
Spring I 24, spring supporting column II 39 pass through spring II 40, fixed with nut I 3 and nut II 16.
Specific embodiment 7:
Illustrate that present embodiment, present embodiment are described further embodiment six below with reference to Fig. 1-6, the axis
It holds side wheel I 9 and bearing side wheel II 10 and bearing side wheel III 27 and bearing side wheel IV 41 is symmetrical arranged.
The novel electromagnetic ultrasonic guide wave scanning equipment of one kind of the utility model, its working principle is that:
The different types of supersonic guide-wave of coil excitation of different parameters can be used, this is led using tortuous coil ultrasound
Wave, adjacent wire spacing are the half-wavelength of supersonic guide-wave, and wavelength can be calculated by formula λ=c/f, according to torsion mode guided wave
It is 3200m/s, wavelength 6mm that characteristic equation, which finds out velocity of wave c,；When the novel electromagnetic ultrasonic guide wave scanning equipment works, outside
Magnet is added inside shell 22, is connected coil interface 5 and coil interface fixation hole 33 by welding, is connect coil by welding
Mouth 5 is connected with interface fixation hole 38, with hand the turn of the screw I 4, hand the turn of the screw II 7, hand the turn of the screw III 12 and IV 14 pairs of hand the turn of the screw
Flexible coil fixation hole 34, coil fixation hole 32, coil fixation hole 30, coil fixation hole 31 should be passed through to be fixed on shell 22；
When applying when carrying out flaw detection scanning, electromagnetic ultrasonic guide wave scanning equipment excites guided wave in component inside to be measured, and guided wave is in component
Middle propagation forms echo-signal when encountering defect；In coil interface 5 and encoder interfaces 42 using thunder on connecting line does not connect
Position machine, echo-signal are shown after receiving sensor and reception device reception processing by host computer.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (7)
1. a kind of novel electromagnetic ultrasonic guide wave scanning equipment, including encoder (2), coil interface (5), bearing wheel I (6), axis
Hold side wheel I (9), bearing side wheel II (10), bracket I (11), bearing wheel II (13), bracket II (15), flexible coil (19), shell
(22), spring supporting column I (23), spring I (24), encoder bracket II (25), mileage wheel (26), bearing side wheel III (27), line
Enclose bottom plate (28), encoder bracket I (29), spring supporting column II (39), spring II (40) and bearing side wheel IV (41), feature
It is: has been respectively fixedly connected with bearing wheel I (6) and bearing wheel II between the bracket I (11) and the both ends of bracket II (15)
(13), it is fixedly connected between bracket I (11) and the middle-end of bracket II (15) shell (22), the outside of bracket I (11) is fixed to be connected
It is connected to bearing side wheel I (9) and bearing side wheel II (10), bearing side wheel III (27) and axis are fixedly connected on the outside of bracket II (15)
Hold side wheel IV (41), flexible coil (19) and coil floor (28) are fixedly connected on shell (22), coil interface (5) with it is soft
Property coil (19) is connected with coil floor (28), and encoder bracket I (29) is fixedly connected on the side of shell (22), encoder branch
The upper end of frame II (25) is fixedly connected with spring supporting column I (23) and spring supporting column II (39), spring supporting column I (23) and spring
Support column II (39) is slidably connected on encoder bracket I (29), on spring supporting column I (23) and spring supporting column II (39)
Be respectively installed with spring I (24) and spring II (40), spring I (24) and spring II (40) be respectively positioned on encoder bracket I (29) and
It between encoder bracket II (25), is fixedly connected on encoder bracket II (25) encoder (2), the rotation axis of encoder (2)
Across encoder bracket II (25), mileage wheel (26) are fixedly connected in the rotation axis of encoder (2).
2. the novel electromagnetic ultrasonic guide wave scanning equipment of one kind according to claim 1, it is characterised in that: the flexible wires
Circle (19) is provided with coil fixation hole I (30), coil fixation hole II (31), coil fixation hole III (32), coil interface fixation hole
(33), coil fixation hole IV (34) and tortuous coil (35).
3. the novel electromagnetic ultrasonic guide wave scanning equipment of one kind according to claim 2, it is characterised in that: described novel
Electromagnetic ultrasonic guide wave scanning equipment further includes hand the turn of the screw I (4), hand the turn of the screw II (7), hand the turn of the screw III (12) and hand the turn of the screw
IV (14) are respectively corresponded by hand the turn of the screw I (4), hand the turn of the screw II (7), hand the turn of the screw III (12) and hand the turn of the screw IV (14)
Pass through spiral shell across coil fixation hole IV (34), coil fixation hole III (32), coil fixation hole I (30) and coil fixation hole II (31)
Flexible coil (19) is fixedly connected on shell (22) by line.
4. the novel electromagnetic ultrasonic guide wave scanning equipment of one kind according to claim 3, it is characterised in that: the coil base
Coil floor corresponding interface fixation hole (38) is provided on plate (28), coil interface (5) is connected with coil interface fixation hole (33)
It connects, coil interface (5) is connected with coil floor corresponding interface fixation hole (38).
5. the novel electromagnetic ultrasonic guide wave scanning equipment of one kind according to claim 4, it is characterised in that: described novel
Electromagnetic ultrasonic guide wave scanning equipment further includes nut I (3) and nut II (16), and nut I (3) and nut II (16) pass through spiral shell respectively
Line is connected on spring supporting column I (23) and spring supporting column II (39), the lower end surface and volume of nut I (3) and nut II (16)
Code device bracket I (29) contacts.
6. the novel electromagnetic ultrasonic guide wave scanning equipment of one kind according to claim 5, it is characterised in that: the mileage wheel
(26) axle center is located on bearing side wheel III (27) and the symmetry axis of bearing side wheel IV (41) vertical direction.
7. the novel electromagnetic ultrasonic guide wave scanning equipment of one kind according to claim 6, it is characterised in that: the bearing side
It takes turns I (9) and bearing side wheel II (10) and bearing side wheel III (27) and bearing side wheel IV (41) is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225953.6U CN209640294U (en) | 2019-02-23 | 2019-02-23 | A kind of novel electromagnetic ultrasonic guide wave scanning equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225953.6U CN209640294U (en) | 2019-02-23 | 2019-02-23 | A kind of novel electromagnetic ultrasonic guide wave scanning equipment |
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| CN209640294U true CN209640294U (en) | 2019-11-15 |
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| CN201920225953.6U Active CN209640294U (en) | 2019-02-23 | 2019-02-23 | A kind of novel electromagnetic ultrasonic guide wave scanning equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059479A (en) * | 2019-12-28 | 2020-04-24 | 北京工业大学 | Pipeline defect phonon diagnosis system and implementation method |
-
2019
- 2019-02-23 CN CN201920225953.6U patent/CN209640294U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059479A (en) * | 2019-12-28 | 2020-04-24 | 北京工业大学 | Pipeline defect phonon diagnosis system and implementation method |
| CN111059479B (en) * | 2019-12-28 | 2021-11-12 | 北京工业大学 | Pipeline defect phonon diagnosis system and implementation method |
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