CN202886336U - Electromagnetic ultrasonic transducer and online flaw detection system comprising same - Google Patents
Electromagnetic ultrasonic transducer and online flaw detection system comprising same Download PDFInfo
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- CN202886336U CN202886336U CN 201220464118 CN201220464118U CN202886336U CN 202886336 U CN202886336 U CN 202886336U CN 201220464118 CN201220464118 CN 201220464118 CN 201220464118 U CN201220464118 U CN 201220464118U CN 202886336 U CN202886336 U CN 202886336U
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- electromagnet ultrasonic
- ultrasonic changer
- locating part
- buffer arm
- detection
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Abstract
The utility model provides an electromagnetic ultrasonic transducer and an online flaw detection system comprising the same, wherein the electromagnetic ultrasonic transducer is provided with a detection bottom surface, a limit member is connected to the side wall of the electromagnetic ultrasonic transducer and is arranged towards the detection bottom surface in an extending manner, the bottom surface of the limit member is lower than the detection bottom surface, the distance d between the bottom surface of the limit member and the detection bottom surface is more than 0mm and is not more than 1mm, and the bottom surface of the limit member is in contact with the surface of a detected object in the working state of the electromagnetic ultrasonic transducer. According to the electromagnetic ultrasonic transducer, the limit member arranged on the electromagnetic ultrasonic transducer is used for limiting the distance between the detection bottom surface of the electromagnetic ultrasonic transducer and the detected object, the detection signal to noise ratio of the electromagnetic ultrasonic transducer is ensured, the flaw detection precision is improved, the collision between the detection bottom surface of the electromagnetic ultrasonic transducer and the surface of the detected object is prevented, and the damage to the detection bottom surface due to collision is prevented.
Description
Technical field
The utility model relates to the nondestructive testing technique field, in particular to a kind of electromagnet ultrasonic changer and comprise the line flaw detection system of this transducer.
Background technology
In the nondestructive examination field, piezoelectric supersonic commonly used and electromagnetic acoustic survey metal material such as steel plate layering, shrinkage porosite, hole, be mingled with, the defectives such as bubble, implosion satisfy the growing market demand to high-quality steel such as ship steel, Steel for Pressure Vessels.But the piezoelectric ultrasonic failure detector in use exist the flaw detection steel plate temperature range narrow, need to consume a large amount of coupling pure water or other couplant, easily be disturbed and the problem such as erroneous judgement occur and replaced by electromagnetic ultrasonic defect detection device gradually.Electromagnetic ultrasonic defect detection device does not use couplant, does not need and is detected object contact, can be to body in motion, and rough surface, there is the object of rust deposite and skin of paint directly to detect and interference-free, detection accuracy is high.
RU2298180 discloses the defective of surveying online steel plate with a plurality of electromagnet ultrasonic changers, each electromagnet ultrasonic changer has an independence and vertical mobile cylinder to drive the electromagnet ultrasonic changer VTOL (vertical take off and landing), adopts this structure can electromagnet ultrasonic changer be put into operation or does not put into operation and visit the size of steel plate or different test surface territories to satisfy different quilts.WO2007/013836A1 discloses pressurized air and has passed electromagnet ultrasonic changer and make it and visited and form one deck mattress between the steel plate, when steel plate is up beated, Distance Shortened between electromagnet ultrasonic changer and the steel plate, air cushion layer reduces, and pressure increases and then drives electromagnet ultrasonic changer follows the steel plate rising automatically.This structure in use, arrive the moment of working position at electromagnet ultrasonic changer from waiting for the position, electromagnet ultrasonic changer and steel plate bump and cause easily the wearing and tearing of searching surface, and, the pressurized air that is used to form mattress can be because the Partial Blocking of compressed air line or other reason reduce compressed-air actuated flow, pressure is inadequate, and the electromagnet ultrasonic changer imbalance makes it contact with steel plate and this detection bottom surface of wearing and tearing.And the huge air supply system of said system needs, its structure is very complicated.
The utility model content
The utility model aims to provide a kind of electromagnet ultrasonic changer and comprises the line flaw detection system of this transducer, surveys the easily technical matters of wearing and tearing with being detected the thing collision of bottom surface in the prior art to solve.
To achieve these goals, according to an aspect of the present utility model, a kind of electromagnet ultrasonic changer is provided, has the detection bottom surface, be connected with locating part on the sidewall of electromagnet ultrasonic changer, locating part extends the ground setting towards surveying the bottom surface, and the bottom surface of locating part is lower than surveys the bottom surface, the bottom surface of locating part is 0mm＜d≤1mm with the scope apart from d of surveying the bottom surface, the bottom surface of locating part under the duty of electromagnet ultrasonic changer with the Surface Contact that is detected thing.
Further, locating part respectively is provided with a plurality of on the respective side walls of electromagnet ultrasonic changer.
Further, locating part comprises tracking wheel, and the bottom surface of tracking wheel is the bottom surface of locating part, and the rotation of tracking wheel is parallel to surveys the bottom surface.
Further, the bottom surface of locating part is 0.2mm≤d≤0.6mm with the scope apart from d of surveying the bottom surface.
According on the other hand of the present utility model, a kind of line flaw detection system is provided, comprise signal generation and disposal system that electromagnet ultrasonic changer, the jacking system of control electromagnet ultrasonic changer lifting, control electromagnet ultrasonic changer are detected a flaw and operated, electromagnet ultrasonic changer is according to foregoing electromagnet ultrasonic changer.
Further, also comprise snubber assembly, snubber assembly comprises buffer arm, scroll wheel, the first resilient snubber and the buffer arm coupling assembling that is connected connecting buffer arm, one end of buffer arm is hinged on the sidewall of electromagnet ultrasonic changer, scroll wheel rollably is arranged on the other end of buffer arm, the bottom surface of scroll wheel is lower than the bottom surface of buffer arm, the rotary middle spindle of scroll wheel is parallel to the sidewall hinged with buffer arm of electromagnet ultrasonic changer, the first resilient snubber is connected between buffer arm and the buffer arm coupling assembling, wherein, the bottom surface of scroll wheel has the state that is lower than the locating part bottom surface at the off working state upper/lower positions of electromagnet ultrasonic changer, and the state that equals the locating part bottom surface at electromagnet ultrasonic changer duty upper/lower positions.
Further, jacking system comprises frame, is hinged on the jacking system coupling assembling on the frame, the chain that the end connection jacking system coupling assembling other end is fixed on the drive unit on the frame and connects electromagnet ultrasonic changer and jacking system coupling assembling, wherein, drive unit drives the lifting of electromagnet ultrasonic changer.
Further, be connected with horizontally disposed the second resilient snubber between the side side away from the close electromagnet ultrasonic changer of an end of surveying the bottom surface and buffer arm coupling assembling of the sidewall of electromagnet ultrasonic changer.
Further, the first resilient snubber and/or the second resilient snubber are spring.
Further, be provided with the balance elastic component parallel with the driving direction of drive unit between frame and the electromagnet ultrasonic changer.
Electromagnet ultrasonic changer of the present utility model and comprise the line flaw detection system of this transducer, connect the locating part that extends towards surveying the bottom surface by the sidewall at electromagnet ultrasonic changer, and so that the bottom surface of locating part is lower than the detection bottom surface, adopt this structure to be detected thing when surface when electromagnet ultrasonic changer drops to, the bottom surface of locating part is detected on the thing with being detected the thing Surface Contact and being supported on, limit the detection bottom surface of electromagnet ultrasonic changer and be detected distance between the thing, guaranteed the detection signal to noise ratio (S/N ratio) of electromagnet ultrasonic changer, improved the flaw detection precision, prevent simultaneously the detection bottom surface and the collision that is detected the thing surface of electromagnet ultrasonic changer, prevented the infringement to the detection bottom surface that causes because of collision.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
The line flaw detection system that Fig. 1 shows according to embodiment of the present utility model is in the off working state partial structurtes synoptic diagram in lower time;
Fig. 2 a shows the partial structurtes synoptic diagram under in running order according to line flaw detection system shown in Figure 1; And
Fig. 2 b shows the structural representation in the scope shown in the A among Fig. 2 a.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Shown in Fig. 1 to Fig. 2 b, electromagnet ultrasonic changer 10 according to embodiment of the present utility model, has the bottom surface 12 of detection, be connected with locating part 11 on the sidewall of electromagnet ultrasonic changer 10, locating part 11 extends the ground setting towards surveying bottom surface 12, the bottom surface of locating part 11 is lower than surveys bottom surface 12, and the bottom surface of locating part 11 has round and smooth surface to reduce being detected the wearing and tearing of thing 40, and it is 0mm＜d≤1mm that the bottom surface of locating part 11 is lower than the scope apart from d of surveying bottom surface 12.Preferably, 0.2mm≤d≤0.6mm.Preferably, locating part 11 respectively arranges one on the respective side walls of electromagnet ultrasonic changer 10, or only respectively arranges a pair of on relative pair of sidewalls.Alternatively, locating part 11 is along being detected distance on the direction that thing 40 moves less than the minimum bending radius that is detected thing, is used for preventing from being detected thing 40 when uneven, can not scratch to survey bottom surface 12 and damage electromagnet ultrasonic changer 10.Preferably, locating part 11 comprises tracking wheel, and the bottom surface of tracking wheel is the bottom surface of locating part 11, and the rotary middle spindle line parallel of tracking wheel arranges in surveying bottom surface 12.Be detected thing 40 and be metal.
The electromagnet ultrasonic changer 10 of present embodiment, connect the locating part 11 that extends towards surveying bottom surface 12 by the sidewall at electromagnet ultrasonic changer 10, and so that locating part 11 is lower than detection bottom surface 12, adopt this structure when electromagnet ultrasonic changer 10 drops to when being detected thing 40 surface, the bottom surface of locating part 11 is detected on the thing 40 with being detected thing 40 Surface Contacts and being supported on, limit the detection bottom surface 12 of electromagnet ultrasonic changer 10 and be detected distance between the thing 40, guaranteed the detection signal to noise ratio (S/N ratio) of electromagnet ultrasonic changer 10, improved the flaw detection precision, also prevent simultaneously the detection bottom surface 12 and the collision that is detected thing 40 surfaces of electromagnet ultrasonic changer 10, prevented the infringement to detection bottom surface 12 that causes because of collision.
Embodiment of the present utility model also provides a kind of line flaw detection system, comprise signal generation and disposal system that electromagnet ultrasonic changer 10, the jacking system of control electromagnet ultrasonic changer 10 liftings, control electromagnet ultrasonic changer 10 are detected a flaw and operated, wherein, electromagnet ultrasonic changer 10 is above-mentioned electromagnet ultrasonic changer 10.
In a specific embodiment, jacking system comprises frame 30, be hinged on jacking system coupling assembling 52, an end on the frame 30 connects jacking system coupling assembling 52 other ends and is fixed on drive unit 60 on the frame 30, and the chain that connects electromagnet ultrasonic changer 10 and jacking system coupling assembling 52, wherein, drive unit 60 is preferably cylinder.The lower end of two chains is hinged on the upper surface of electromagnet ultrasonic changer 10, and the lower end away from the sidewall of cylinder one side and buffer arm coupling assembling 51 of electromagnet ultrasonic changer 10 is hinged.Preferably, be provided with the balance elastic component 70 parallel with the driving direction of drive unit 60 between frame 30 and the electromagnet ultrasonic changer 10, such as spring.
The line flaw detection system of present embodiment, when cylinder 60 is in original state, chain is in tension, to bear the weight of electromagnet ultrasonic changer 10, when wanting to carry out detection operations, start cylinder, the piston elongation of cylinder, the pushing piston web member moves downward, at this moment, electromagnet ultrasonic changer 10 descends to being detected thing 40 with its gravity, drops on the surface that tracking wheel contact when being detected on the thing 40 is detected thing 40 at electromagnet ultrasonic changer 10, avoid surveying bottom surface 12 and the collision that is detected between the thing 40, prevented the damage that detection bottom surface 12 causes because of collision.
In order the further detection bottom surface 12 to electromagnet ultrasonic changer 10 to protect; present embodiment also comprises snubber assembly; snubber assembly comprises buffer arm 20; scroll wheel 21; the first resilient snubber 22 and the buffer arm coupling assembling 51 that is connected connecting buffer arm 20; one end of buffer arm 20 is hinged on the sidewall of electromagnet ultrasonic changer 10; scroll wheel 21 rollably is arranged on the other end of buffer arm 20; the bottom surface of scroll wheel 21 is lower than the bottom surface of buffer arm 20; the sidewall hinged with buffer arm 20 that the rotary middle spindle of scroll wheel 21 is parallel to electromagnet ultrasonic changer 10; the first resilient snubber 22 is connected between buffer arm 20 and the buffer arm coupling assembling 51; the first resilient snubber 22 imposes downward power to buffer arm 20 in the rotation process of buffer arm 20; preferably; the first resilient snubber 22 vertically arranges; wherein; the bottom surface of scroll wheel 21 has the state that is lower than locating part 11 bottom surfaces at the off working state upper/lower positions of electromagnet ultrasonic changer 10, and the state that equals locating part 11 bottom surfaces at electromagnet ultrasonic changer 10 duty upper/lower positions.Preferably, buffer arm 20 comprises two first paragraphs that are oppositely arranged and second segment, the opposite end of first paragraph and second segment is side walls hinged with electromagnet ultrasonic changer 10 respectively, the other end of first paragraph and second segment is connected with the 3rd section that arranges with the parallel sidewalls of electromagnet ultrasonic changer 10, and scroll wheel 21 is articulated on the 3rd section.Preferably, the first resilient snubber 22 is spring.
Adopt the line flaw detection system of present embodiment, being detected thing 40 comes with the certain speed motion, start cylinder, electromagnet ultrasonic changer 10 moves towards the direction that is detected thing 40, drive buffer arm coupling assembling 51, buffer arm 20 and scroll wheel 21 move together, because being lower than at the off working state upper/lower positions, the end away from electromagnet ultrasonic changer 10 of buffer arm 20 surveys bottom surface 12, the bottom surface of scroll wheel 21 is lower than the bottom surface of buffer arm 20, when descending, scroll wheel 21 contacts first and is detected thing 40 surfaces, and drive buffer arm 20 by relative rotation occurs with the hinged effect of electromagnet ultrasonic changer 10 and between the electromagnet ultrasonic changer 10, and then generation buffer arm 20 is being detected thing 40 lip-deep displacements, until the contact of the bottom surface of locating part 11 is detected thing 40 surfaces, reduced the impulsive force that electromagnet ultrasonic changer 10 descends, prolong the life-span of tracking wheel, further prevented from surveying the collision of bottom surface 12.Buffer arm 20 is in the moving process that is detected thing 40 surfaces, push the first resilient snubber 22, because the elastic reaction of the first resilient snubber 22 has slowed down counterrotating speed between buffer arm 20 and the electromagnet ultrasonic changer 10, slowed down further the speed that electromagnet ultrasonic changer 10 descends; When detection was finished exhaust hood and driven electromagnet ultrasonic changer 10 and move upward, buffer arm 20 rotated under the effect of the first resilient snubber 22, and the end moves to the below of surveying bottom surface 12, to get back to original state.
When being detected thing 40 for the whole contacts of the tracking wheel that prevents electromagnet ultrasonic changer 10, electromagnet ultrasonic changer 10 is along rotating with the hinged axle of buffer arm coupling assembling 51, the end of guaranteeing electromagnet ultrasonic changer 10, is with to be detected thing 40 parallel, be connected with horizontally disposed the second resilient snubber 23 between the side side away from the close electromagnet ultrasonic changer 10 of an end of surveying bottom surface 12 and buffer arm coupling assembling 51 of the sidewall of electromagnet ultrasonic changer 10 in the present embodiment, such as spring.
From above description, can find out, electromagnet ultrasonic changer 10 of the present utility model and comprise the line flaw detection system of this transducer, connect the locating part 11 that extends towards surveying bottom surface 12 by the sidewall at electromagnet ultrasonic changer 10, and so that the bottom surface of locating part 11 is lower than detection bottom surface 12, adopt this structure when electromagnet ultrasonic changer 10 drops to when being detected thing 40 surface, the bottom surface of locating part 11 is detected on the thing 40 with being detected thing 40 Surface Contacts and being supported on, prevent the detection bottom surface 12 and the collision that is detected thing 40 surfaces of electromagnet ultrasonic changer 10, prevented the infringement to detection bottom surface 12 that causes because of collision.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. electromagnet ultrasonic changer, has detection bottom surface (12), it is characterized in that, be connected with locating part (11) on the sidewall of described electromagnet ultrasonic changer (10), described locating part (11) extends ground and arranges towards described detection bottom surface (12), the bottom surface of described locating part (11) is lower than described detection bottom surface (12), the scope apart from d of the bottom surface of described locating part (11) and described detection bottom surface (12) is 0mm＜d≤1mm, the bottom surface of described locating part (11) under the duty of described electromagnet ultrasonic changer (10) be detected the Surface Contact of thing (40).
2. electromagnet ultrasonic changer according to claim 1 is characterized in that, described locating part (11) respectively is provided with a plurality of on the respective side walls of described electromagnet ultrasonic changer (10).
3. electromagnet ultrasonic changer according to claim 1, it is characterized in that, described locating part (11) comprises tracking wheel, and the bottom surface of described tracking wheel is the bottom surface of described locating part (11), and the rotation of described tracking wheel is parallel to described detection bottom surface (12).
4. each described electromagnet ultrasonic changer in 3 according to claim 1 is characterized in that the scope apart from d of the bottom surface of described locating part (11) and described detection bottom surface (12) is 0.2mm≤d≤0.6mm.
5. line flaw detection system, comprise electromagnet ultrasonic changer (10), control described electromagnet ultrasonic changer (10) lifting jacking system, control the detect a flaw signal of operation of described electromagnet ultrasonic changer (10) and occur and disposal system, it is characterized in that described electromagnet ultrasonic changer (10) is each described electromagnet ultrasonic changer (10) in 4 according to claim 1.
6. line flaw detection according to claim 5 system, it is characterized in that, also comprise snubber assembly, described snubber assembly comprises buffer arm (20), scroll wheel (21), the first resilient snubber (22) and the buffer arm coupling assembling (51) that is used to connect described buffer arm (20), one end of described buffer arm (20) is hinged on the sidewall of described electromagnet ultrasonic changer (10), described scroll wheel (21) rollably is arranged on the other end of described buffer arm (20), the bottom surface of described scroll wheel (21) is lower than the bottom surface of described buffer arm (20), the rotary middle spindle of described scroll wheel (21) is parallel to the sidewall hinged with described buffer arm (20) of described electromagnet ultrasonic changer (10), described the first resilient snubber (22) is connected between described buffer arm (20) and the described buffer arm coupling assembling (51), wherein
The bottom surface of described scroll wheel (21) has the state that is lower than described locating part (11) bottom surface at the off working state upper/lower positions of described electromagnet ultrasonic changer (10), and the state that equals described locating part (11) bottom surface at described electromagnet ultrasonic changer (10) duty upper/lower positions.
7. line flaw detection according to claim 6 system, it is characterized in that, described jacking system comprises frame (30), be hinged on jacking system coupling assembling (52), an end on the described frame (30) connects described jacking system coupling assembling (52) other end and is fixed on the drive unit (60) on the frame and connects described electromagnet ultrasonic changer (10) and the chain of described jacking system coupling assembling (52), wherein, described drive unit (60) drives the lifting of described electromagnet ultrasonic changer (10).
8. line flaw detection according to claim 6 system, it is characterized in that, be connected with horizontally disposed the second resilient snubber (23) between the side side away from the close described electromagnet ultrasonic changer (10) of an end of described detection bottom surface (12) and described buffer arm coupling assembling (51) of the sidewall of described electromagnet ultrasonic changer (10).
9. line flaw detection according to claim 8 system is characterized in that described the first resilient snubber (22) and/or described the second resilient snubber (23) are spring.
10. line flaw detection according to claim 7 system is characterized in that, is provided with the balance elastic component (70) parallel with the driving direction of described drive unit between described frame (30) and the described electromagnet ultrasonic changer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464118 CN202886336U (en) | 2012-09-12 | 2012-09-12 | Electromagnetic ultrasonic transducer and online flaw detection system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220464118 CN202886336U (en) | 2012-09-12 | 2012-09-12 | Electromagnetic ultrasonic transducer and online flaw detection system comprising same |
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| Publication Number | Publication Date |
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| CN202886336U true CN202886336U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220464118 Expired - Lifetime CN202886336U (en) | 2012-09-12 | 2012-09-12 | Electromagnetic ultrasonic transducer and online flaw detection system comprising same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866205A (en) * | 2012-09-12 | 2013-01-09 | 田志恒 | Electromagnetic ultrasonic transducer and online flaw detection system with same |
| CN107607626A (en) * | 2017-09-13 | 2018-01-19 | 中国石油天然气集团公司管材研究所 | Electromagnet ultrasonic changer and the equipment with electromagnet ultrasonic changer automatic detection steel plate |
-
2012
- 2012-09-12 CN CN 201220464118 patent/CN202886336U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866205A (en) * | 2012-09-12 | 2013-01-09 | 田志恒 | Electromagnetic ultrasonic transducer and online flaw detection system with same |
| WO2014040543A1 (en) * | 2012-09-12 | 2014-03-20 | 田立 | Electromagnetic ultrasonic transducer and on-line inspection system comprising same |
| CN102866205B (en) * | 2012-09-12 | 2015-07-15 | 田志恒 | Electromagnetic ultrasonic transducer and online flaw detection system with same |
| US9804131B2 (en) | 2012-09-12 | 2017-10-31 | Zhiheng Tian | Electromagnetic ultrasonic transducer and on-line inspection system comprising same |
| CN107607626A (en) * | 2017-09-13 | 2018-01-19 | 中国石油天然气集团公司管材研究所 | Electromagnet ultrasonic changer and the equipment with electromagnet ultrasonic changer automatic detection steel plate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20150715 |
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| RGAV | Abandon patent right to avoid regrant |