CN103837596A - Adjustable T-type characteristic guided wave welding line detecting device - Google Patents
Adjustable T-type characteristic guided wave welding line detecting device Download PDFInfo
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- CN103837596A CN103837596A CN201310563691.1A CN201310563691A CN103837596A CN 103837596 A CN103837596 A CN 103837596A CN 201310563691 A CN201310563691 A CN 201310563691A CN 103837596 A CN103837596 A CN 103837596A
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Abstract
The invention relates to an adjustable T-type characteristic guided wave welding line detecting device. The adjustable T-type characteristic guided wave welding line detecting device comprises a T-type main frame with a scale strip, a guided wave receiving probe loading arm with a reverse-T-type sliding block, two guided wave stimulating probe loading arms with reverse-T-type sliding blocks, two magnetism gauge bases with the reverse-T-type sliding blocks, two guided wave stimulating probes with sliding grooves, and a guided wave receiving probe with a sliding groove, wherein the two guided wave stimulating probes are parallelly arranged on the two sides of a to-be-detected welding line; the guided wave receiving probe is placed on the to-be-detected welding line, the three probes are arranged in a triangle manner and are fixed by a device magnetism gauge base, the probes and a to-be-detected body are contacted in a rigidity manner, a built-in spring is provided with pressing force, and the positions of the three guided wave probes are adjusted and are suitable for different width standards of the welding lines. The adjustable T-type characteristic guided wave welding line detecting device provided by the invention has the advantages that the two guided wave stimulating probes are simultaneously stimulated, the echo intensity in a required guided wave mode is greatly strengthened, the reflectivity is improved, meanwhile, the external disturbance is reduced, a measuring range is widened, and the detection efficiency and the detection accuracy are improved.
Description
Technical field
The present invention relates to a kind of weld defect feature guided wave detection device, be particularly related to a kind of T-shaped adjustable feature guided wave detection device, in the time utilizing feature guided wave to carry out weld seam nondestructive examination, adjustable feature guided wave detection device can be adjusted according to weld seam size, realize the detection in the straight bead region to plate class weld assembly, belong to nondestructive examination field.
Background technology
Welding is the crucial interconnection technique of many large-scale components, commissure there will be the defects such as crackle, incomplete tusion, pore, undercut, by China's current law standard and common practice, in mechanical equipment manufacture process, generally need to carry out the ultrasonic or ray detection of some for the butt-weld forming after welding, with products quality guarantee.
Traditional ultrasonic detecting technology is pointwise scanning method, not only wastes time and energy, and has certain blind area.Ray technology is widely used in the detection of pressure tight seam, but it is long to detect setup time, and dangerous large, testing cost is high.In addition, above two kinds of methods can only realize offline inspection, and testing process comprises the operations such as shut-down, turned letter, cleaning, rust cleaning (even tearing insulation open) and detection, have the deficiencies such as testing cost is high, detection time is long.
Ultrasonic guided wave detecting is the development in recent years Non-Destructive Testing new method of getting up, single pass can be measured and in whole thickness range, comprise inner and surperficial all defect, and can realize defect location and size measurement simultaneously, be widely used as pipeline, rail etc. in the defeated structure of a lot of large-scale length.
Supersonic guide-wave is applied to seam inspection, must, by fixing weld seam guided wave detection probe also compacting on tested weld assembly, be coupled with the rigidity of weld assembly to meet probe.The present invention has developed a kind of adjustable detection device, makes probe installation in welded joints can not be subject to weld shape and big or small restriction.Meanwhile, receive back wave intensity in order to increase, the present invention adopts two probes to be symmetrically arranged in weld seam both sides excitation simultaneously, has got good effect, has greatly improved the length that can survey weld seam, for the efficient detection of remote weld seam provides possibility.
Summary of the invention
The object of this invention is to provide a kind of easy operating, easy to adjust, Stability Analysis of Structures, really fixing, the adjustable feature guided wave detection device of the flaw detection in the straight bead region applicable to plate class weld assembly of accurate positioning.
Object of the present invention is implemented by following technical scheme: the T-shaped adjustable feature guided wave detection device of described one comprises a T-shaped body frame 1, receiving transducer loading arm 2, two incentive probe loading arm 3A, 3B, two Magnetic gauge stand 4A, 4B, two guided wave incentive probe 5A, 5B and a guided wave receiving transducer 5C; Described body frame 1 is T font, is made up of guided wave incentive probe frame 6 and guided wave receiving transducer frame 7; On described guided wave incentive probe frame 6 and guided wave receiving transducer frame 7, be respectively equipped with inverted T shape chute 16A, 16B as moving track; Described incentive probe loading arm 3A, 3B are arranged on respectively on the inverted T shape chute 16A of guided wave incentive probe frame 6 left and right, Magnetic gauge stand 4A, 4B are also arranged on respectively on the inverted T shape chute 16A of guided wave incentive probe frame 6, and are arranged on respectively the outside of incentive probe loading arm 3A, 3B; Described receiving transducer loading arm 2 is arranged on the inverted T shape chute 16B of guided wave receiving transducer frame 7; On described T-shaped body frame 1, the upper surface of inverted T shape chute 16A is carved with scale strip 8A to guarantee the accuracy of incentive probe loading arm 3A, 3B sliding position, and the upper surface of inverted T shape chute 16B is carved with scale strip 8B to guarantee the accuracy of receiving transducer loading arm 2 sliding positions; Described incentive probe loading arm 3, receiving transducer loading arm 2 and Magnetic gauge stand 4 are connected with moving track by T-shaped slide block 9 respectively; Described incentive probe loading arm 3 is made up of T-shaped slide block 9, clamping device 10, Compress Spring 11, metal connecting link 12, straight pin 13; Described T-shaped slide block 9 is rigidly connected by two metal connecting links 12 with clamping device 10; On described clamping device 10 symmetria bilateralis positions, processed respectively the mounting hole 14 of two levels, straight pin 13 is connected with guided wave probe 5 by mounting hole 14; Described guided wave incentive probe 5A, 5B and guided wave receiving transducer 5C shell both sides are respectively with the sliding tray 15 of two vertical direction, guided wave incentive probe 5A, 5B are connected with straight pin 13 on clamping device 10 by sliding tray 15 respectively with guided wave receiving transducer 5C, make guided wave incentive probe 5A, 5B and guided wave receiving transducer 5C do the motion in vertical direction by sliding tray 15; Described clamping device is installed Compress Spring 11 directly over 10 inner sides, for compressing guided wave probe.
Have certain degree of hardness indeformable for alleviator weight guarantees body frame simultaneously, described T-shaped body frame 1 material is selected industrial aluminum profile.
Described guided wave incentive probe 5A, 5B are arranged on respectively on the clamper 10 being connected with incentive probe loading arm 3A, 3B, guided wave receiving transducer 5C is arranged on and leads on the clamper 10 that receiving transducer loading arm 2 is connected, guided wave incentive probe 5A, 5B are symmetrically distributed on the steel plate of weld seam both sides and guided wave receiving transducer 5C arranges in welded joints, and guided wave receiving transducer 5C and guided wave incentive probe 5A, 5B are the Chinese character pin-shaped echoed signal stablized, energy is high and clutter is few of arranging.
The connecting link 12B of described receiving transducer loading arm 2, than the short 4mm of connecting link 12A of incentive probe loading arm 3, makes guided wave receiving transducer 5C and guided wave incentive probe 5A, 5B poor in sustained height, better to agree with weld seam and dull and stereotyped difference in height; Described Magnetic gauge stand 4A, 4B than guided wave incentive probe 5A, 5B at high 2mm, Magnetic gauge stand 4A, 4B are the mini gauge stand of size 28*28*26mm, the suction of at least 30 kilograms can be provided, can compress after Magnetic gauge stand 4A, 4B are sucked and pop one's head in and reach Maximum Contact face.
When described Magnetic gauge stand 4A, 4B open, two Compress Springs 11 of the parallel distribution of installing by clamping device 10 inner sides, can be pressed in guided wave incentive probe 5A, 5B and guided wave receiving transducer 5C on detected weld and both sides subject thereof, detect; When Magnetic gauge stand 4A, 4B close, guided wave probe 5 all unclamps with subject, can freely adjust position.
When described T-shaped adjustable feature guided wave detection device work, guided wave incentive probe 5A, 5B are encouraged simultaneously, form feature guided wave in weld seam, receive guided wave echo, for further analyzing and processing by guided wave receiving transducer 5C.
The invention has the advantages that: the inverted T shape chute on body frame and T-shaped slide block are slidably matched energy free adjustment probe positions to adapt to the detected weld of different size.Two guided wave incentive probe parallel arrangements are in weld seam to be checked both sides, and guided wave receiving transducer is positioned on weld seam to be checked, and three probes are Chinese character pin-shaped arranges, and fix with device institute carrying magnetic gauge stand, probe is contacted with treating corpse or other object for laboratory examination and chemical testing rigidity, and provide snap-in force by built-in spring.Three guided wave probe positions are adjustable, thereby can adapt to different weld width specifications.When detection, two guided wave incentive probes encourage simultaneously, can greatly strengthen echo strength, the raising reflectivity of required guided wave modal, greatly cut down external disturbance simultaneously, reduce other mode, thereby greatly increase measurement range, improve detection efficiency and precision.This structure of the detecting device is simple, easy to operate, reliable and stable, and applicability is stronger.
Accompanying drawing explanation
The adjustable feature guided wave of Fig. 1 detection device structural representation.
The vertical view of Fig. 2 Fig. 1.
The left view of Fig. 3 Fig. 1.
The T-shaped body frame schematic diagram of Fig. 4.
Fig. 5 receiving transducer loading arm structural representation.
Fig. 6 does not install the receiving transducer loading arm structural representation of straight pin.
Fig. 7 receiving transducer loading arm diagrammatic cross-section.
Fig. 8 incentive probe loading arm structural representation.
Fig. 9 does not install the incentive probe loading arm structural representation of straight pin.
Figure 10 incentive probe loading arm diagrammatic cross-section.
Figure 11 sonde configuration schematic diagram.
In Figure 12 embodiment, guided wave incentive probe receives signal schematic representation.
In figure, T-shaped body frame-1, receiving transducer loading arm-2, incentive probe loading arm-3A, incentive probe loading arm-3B, Magnetic gauge stand-4A, Magnetic gauge stand-4B, guided wave incentive probe-5A, guided wave incentive probe-5B, guided wave receiving transducer-5C, guided wave incentive probe frame-6, guided wave receiving transducer frame-7, scale strip-8, T-shaped slide block-9, clamping device-10, Compress Spring-11, metal connecting link-12A, metal connecting link-12B, straight pin-13, mounting hole-14, sliding tray-15, inverted T shape chute-16A, inverted T shape chute-16B.
Embodiment
In order to deepen the understanding of the present invention; below in conjunction with specific embodiment; the adjustable feature guided wave of the one detection device that the present invention is proposed is described in further detail, and illustrated embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
The T-shaped adjustable feature guided wave detection device of described one comprises a T-shaped body frame 1, receiving transducer loading arm 2, two incentive probe loading arm 3A, 3B, two Magnetic gauge stand 4A, 4B, two guided wave incentive probe 5A, 5B and a guided wave receiving transducer 5C; Described body frame 1 is T font, is made up of guided wave incentive probe frame 6 and guided wave receiving transducer frame 7; On described guided wave incentive probe frame 6 and guided wave receiving transducer frame 7, be respectively equipped with inverted T shape chute 16A, 16B as moving track; Described incentive probe loading arm 3A, 3B are arranged on respectively on the inverted T shape chute 16A of guided wave incentive probe frame 6 left and right, Magnetic gauge stand 4A, 4B are also arranged on respectively on the inverted T shape chute 16A of guided wave incentive probe frame 6, and are arranged on respectively the outside of incentive probe loading arm 3A, 3B; Described receiving transducer loading arm 2 is arranged on the inverted T shape chute 16B of guided wave receiving transducer frame 7; On described T-shaped body frame 1, the upper surface of inverted T shape chute 16A is carved with scale strip 8A to guarantee the accuracy of incentive probe loading arm 3A, 3B sliding position, and the upper surface of inverted T shape chute 16B is carved with scale strip 8B to guarantee the accuracy of receiving transducer loading arm 2 sliding positions; Described incentive probe loading arm 3, receiving transducer loading arm 2 and Magnetic gauge stand 4 are connected with moving track by T-shaped slide block 9 respectively; Described incentive probe loading arm 3 is made up of T-shaped slide block 9, clamping device 10, Compress Spring 11, metal connecting link 12, straight pin 13; Described T-shaped slide block 9 is rigidly connected by two metal connecting links 12 with clamping device 10; On described clamping device 10 symmetria bilateralis positions, processed respectively the mounting hole 14 of two levels, straight pin 13 is connected with guided wave probe 5 by mounting hole 14; Described guided wave incentive probe 5A, 5B and guided wave receiving transducer 5C shell both sides are respectively with the sliding tray 15 of two vertical direction, guided wave incentive probe 5A, 5B are connected with straight pin 13 on clamping device 10 by sliding tray 15 respectively with guided wave receiving transducer 5C, make guided wave incentive probe 5A, 5B and guided wave receiving transducer 5C do the motion in vertical direction by sliding tray 15; Described clamping device is installed Compress Spring 11 directly over 10 inner sides, for compressing guided wave probe.
Have certain degree of hardness indeformable for alleviator weight guarantees body frame simultaneously, described T-shaped body frame 1 material is selected industrial aluminum profile.
Guided wave incentive probe 5A, 5B shown in Figure 10 and guided wave receiving transducer 5C are arranged on respectively in corresponding clamping device 10, and respectively guided wave incentive probe 5A, 5B and guided wave receiving transducer 5C are fixed by straight pin 13 and sliding tray 15.
By the T-shaped slide block 9 that slides, change respectively receiving transducer loading arm 2, two incentive probe loading arm 3A, 3B and two Magnetic gauge stand 4A, the position of 4B, realize incentive probe loading arm 3A, 3B and Magnetic gauge stand 4A, the position of 4B on guided wave incentive probe frame 6 and the stepless adjustment of the position of receiving transducer loading arm 2 on guided wave receiving transducer frame 7, thereby make guided wave incentive probe 5A, 5B is symmetrically distributed on the rational position of weld seam both sides, guided wave receiving transducer 5C arranges rational position in welded joints, and make guided wave receiving transducer 5C and guided wave incentive probe 5A, 5B is Chinese character pin-shaped and arranges.
Make Magnetic gauge stand 4A, 4B press onboard and open magnetic switch, Magnetic gauge stand 4A, 4B are sucked onboard, thereby whole device is sucked in detected pieces to reach fixing object.
The Compress Spring 11 of installing directly over clamping device 10 inner sides that connect by receiving transducer loading arm 2, and being slidably matched of sliding tray 15 and straight pin 13, regulate the contact force between guided wave receiving transducer 5C and detected weld, guarantee both best rigidity couplings.
The Compress Spring 11 of installing directly over clamping device 10 inner sides that connected separately by incentive probe loading arm 3A, 3B, and being slidably matched of sliding tray 15 and straight pin 13, regulate respectively the contact force of guided wave incentive probe 5A, 5B and detected weld both sides subject, guarantee the best rigidity coupling of guided wave incentive probe and subject.
Encourage guided wave incentive probe 5A, 5B simultaneously, in weld seam, form feature guided wave, receive guided wave echo by guided wave receiving transducer 5C, as shown in figure 12, for further analyzing and processing.
After detection finishes, close respectively the magnetic switch of Magnetic gauge stand 4A, 4B, make this T-shaped adjustable feature guided wave detection device depart from subject.
Claims (4)
1. a T-shaped adjustable feature guided wave detection device, is characterized in that: comprise a T-shaped body frame (1), a receiving transducer loading arm (2), incentive probe loading arm A, incentive probe loading arm B, Magnetic gauge stand A, Magnetic gauge stand B, guided wave incentive probe A, guided wave incentive probe B and a guided wave receiving transducer C(5); Described body frame (1) is T font, is made up of guided wave incentive probe frame (6) and guided wave receiving transducer frame (7); On described guided wave incentive probe frame (6) and guided wave receiving transducer frame (7), be respectively equipped with inverted T shape chute A, T-shaped chute B as moving track; Described incentive probe loading arm A, incentive probe loading arm B are arranged on respectively on the inverted T shape chute A of guided wave incentive probe frame (6) left and right, Magnetic gauge stand A, Magnetic gauge stand B are also arranged on respectively on the inverted T shape chute A of guided wave incentive probe frame (6), and are arranged on respectively the outside of incentive probe loading arm A, incentive probe loading arm B; Described receiving transducer loading arm (2) is arranged on the inverted T shape chute B of guided wave receiving transducer frame (7); On described T-shaped body frame (1), the upper surface of inverted T shape chute A is carved with scale strip A to guarantee the accuracy of incentive probe loading arm A, incentive probe loading arm B sliding position, and the upper surface of inverted T shape chute B is carved with scale strip B to guarantee the accuracy of receiving transducer loading arm (2) sliding position; Described incentive probe loading arm (3), receiving transducer loading arm (2) and Magnetic gauge stand (4) are connected with moving track by T-shaped slide block (9) respectively; Described incentive probe loading arm (3) is made up of T-shaped slide block (9), clamping device (10), Compress Spring (11), metal connecting link (12), straight pin (13); Described T-shaped slide block (9) is rigidly connected by two metal connecting links (12) with clamping device (10); On described clamping device (10) symmetria bilateralis position, processed respectively the mounting hole (14) of two levels, straight pin (13) is connected with guided wave probe (5) by mounting hole (14); Described guided wave incentive probe A, guided wave incentive probe B and guided wave receiving transducer C shell both sides are respectively with the sliding tray (15) of two vertical direction, guided wave incentive probe A, guided wave incentive probe B are connected by the upper straight pin (13) of sliding tray (15) and clamping device (10) respectively with guided wave receiving transducer C, make guided wave incentive probe A, guided wave incentive probe B and guided wave receiving transducer C do the motion in vertical direction by sliding tray (15); Described clamping device (10) is installed Compress Spring (11) directly over inner side, for compressing guided wave probe.
2. the T-shaped adjustable feature guided wave detection device of one according to claim 1, is characterized in that: described T-shaped body frame (1) material is selected industrial aluminum profile.
3. the T-shaped adjustable feature guided wave detection device of one according to claim 1, it is characterized in that: described guided wave incentive probe A, guided wave incentive probe B is arranged on respectively and incentive probe loading arm A, on the connected clamper (10) of incentive probe loading arm B, guided wave receiving transducer C is arranged on and leads on the clamper (10) that receiving transducer loading arm (2) is connected, guided wave incentive probe A, guided wave incentive probe B is symmetrically distributed on the steel plate of weld seam both sides and guided wave receiving transducer C arranges in welded joints, guided wave receiving transducer C and guided wave incentive probe A, guided wave incentive probe B is Chinese character pin-shaped arranging and is stablized, the echoed signal that energy is high and clutter is few.
4. the T-shaped adjustable feature guided wave detection device of one according to claim 1, it is characterized in that: the connecting link B of described receiving transducer loading arm (2) is than the short 4mm of the connecting link of incentive probe loading arm (3) (12) A, make guided wave receiving transducer C and guided wave incentive probe A, B is poor in sustained height for guided wave incentive probe, better to agree with weld seam and dull and stereotyped difference in height; Described Magnetic gauge stand A, Magnetic gauge stand B than guided wave incentive probe A, guided wave incentive probe B at high 2mm, Magnetic gauge stand A, Magnetic gauge stand B are the gauge stand of size 28*28*26mm, the suction of at least 30 kilograms can be provided, can compress after Magnetic gauge stand 4A, 4B are sucked and pop one's head in and reach Maximum Contact face.
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| CN201310563691.1A CN103837596A (en) | 2014-03-27 | 2014-03-27 | Adjustable T-type characteristic guided wave welding line detecting device |
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| CN201310563691.1A CN103837596A (en) | 2014-03-27 | 2014-03-27 | Adjustable T-type characteristic guided wave welding line detecting device |
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| CN104075987A (en) * | 2014-07-22 | 2014-10-01 | 华北电力大学（保定） | Electrochemistry test probe |
| CN104267098A (en) * | 2014-10-10 | 2015-01-07 | 克拉玛依市金牛工程建设有限责任公司 | Sound field test device adopting synchronous excitation of ultrasonic array probes |
| CN104764809A (en) * | 2015-02-09 | 2015-07-08 | 四川大学 | Adjustable acoustic emission testing sensor positioning device used for rock damage test |
| CN106248791A (en) * | 2016-08-22 | 2016-12-21 | 合肥德泰科通测控技术有限公司 | A kind of method of metallic conduit ultrasonic listening slight crack |
| CN108931581A (en) * | 2018-09-11 | 2018-12-04 | 合肥工业大学 | A kind of road surface self-regulation nondestructive inspection trolley based on ultrasonic pulse |
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Cited By (6)
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| CN108931581A (en) * | 2018-09-11 | 2018-12-04 | 合肥工业大学 | A kind of road surface self-regulation nondestructive inspection trolley based on ultrasonic pulse |
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Application publication date: 20140604 |