CN203870071U - Sensor device adopting ultrasonic guided wave to detect welding seam - Google Patents
Sensor device adopting ultrasonic guided wave to detect welding seam Download PDFInfo
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- CN203870071U CN203870071U CN201420101610.6U CN201420101610U CN203870071U CN 203870071 U CN203870071 U CN 203870071U CN 201420101610 U CN201420101610 U CN 201420101610U CN 203870071 U CN203870071 U CN 203870071U
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- weld seam
- welding seam
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Abstract
The utility model discloses a sensor fixing device adopting an ultrasonic guided wave to detect a welding seam. The device comprises a plurality of sensing units, a fixing strap and two clamping units, wherein the length direction of the fixing strap is perpendicular to the welding seam; the plurality of sensing units arranged side by side are symmetrically arranged on the welding seam and welding plates on two sides of the welding seam 4; the upper ends of the plurality of sensing units are fixed below the middle of the fixing strap respectively, the lower ends are propped against the welding seam bulged in an arc manner and the welding plates on two sides of the welding seam, and the clamping units fix two ends of the fixing strap on the welding plates respectively; and sensors are embedded in sensor clamps. The sensor fixing device adopting the ultrasonic guide wave to detect the welding seam is simple in structure, convenient to operate, stable, reliable and higher in practicability, and the sensors mounted on the welding seam and the welding plates on two sides of the welding seam are not limited by the shape and the size of the welding seam, so that echo receiving strength is increased, the measurable welding seam length is greatly increased, and a reliable way for efficient detection of the remote welding seam is provided; and besides, the measurement range is increased, and the detection efficiency and accuracy are improved.
Description
Technical field
The utility model relates to the cannot-harm-detection device of a kind of weld seam, and particularly a kind of sensor device that adopts ultrasonic guided wave detecting butt-weld defect, belongs to technical field of nondestructive testing.
Background technology
Welding is by heating, pressurization, or both and use, makes two workpiece produce processing technology and the connecting mode of combination between atom.Commissure there will be the defects such as crackle, incomplete tusion, pore, undercut, need to apply the product of welding processing at boats and ships, plant equipment, pressure vessel and welding structural element etc., by current law requirement and common practice, 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 removing heat-insulation layer) 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 detecting sensor also compacting on tested weld assembly, be coupled with the rigidity of weld assembly to meet probe.Existing weld seam guided wave detecting sensor adopt hand-held fixing in welded joints with the welding plate of weld seam both sides on, hand-held fixing relatively effort, can not ensure that sensor base presses in welded joints in the welding plate with weld seam both sides, affects seam inspection effect.
Utility model content
The purpose of this utility model is to provide the sensor fastening device of the ultrasonic guided wave detecting weld seam of a kind of easy operating, easy to adjust, Stability Analysis of Structures, really fixing and accurate positioning.
The utility model is achieved by the following technical programs:
A kind of sensor fastening device of ultrasonic guided wave detecting weld seam, comprise several sensing units 1, fixed band 2 and two grip unit 3, fixed band 2 length directions are perpendicular to weld seam 4, along fixed band 2 length directions, several sensing units 1 are side by side symmetricly set in the welding plate 5 of weld seam 4 and weld seam 4 both sides, 5 sensing unit 1 upper ends are separately fixed at subordinate in fixed band 2, several sensing units 1 lower end is resisted against respectively in the weld seam 4 of curved projection and the welding plate 5 of weld seam both sides, and grip unit 3 is separately fixed at fixed band 2 two ends in welding plate 5; Described sensing unit 1 comprises clamp of sensor 11,12 and 2 set screw 13 of sensor, and sensor 12 is inlaid in clamp of sensor 11.
The purpose of this utility model can also further realize by following technical measures.
The sensor fastening device of aforesaid ultrasonic guided wave detecting weld seam, wherein said clamp of sensor 11 is the flute profile that Open Side Down, the relative medial surface of the described flute profile two symmetrical groove 111 that traps out that concaves respectively; Sensor 12 two ends are provided with the guiding raised line 121 matching with groove 111, and the guiding raised line 121 at sensor 12 two ends is embedded in respectively in the groove 111 of clamp of sensor 11; The sensor 12 extended coaxial cable interface posts 122 of upside central authorities are embedded in the pilot hole 112 of clamp of sensor 11 upsides; 2 set screw 13 are screwed in clamp of sensor 11 two ends through the rear symmetry of fixed band 2 respectively, under push away sensor 12 and make sensor 12 base abuts in the welding plate 5 of weld seam 4 or weld seam both sides.
The sensor fastening device of aforesaid ultrasonic guided wave detecting weld seam, wherein said grip unit 3 comprises 31,1 upper 32,2 lower housing screw 33 of housing screw of segmental support, 34 and 2 lower bolsters 35 of upper padding plate, upper housing screw 32 through horizontal sides 311 on segmental support, is pushed down upper padding plate 34, fixed band 2 one end and welding plate 5 upsides vertically downward successively; Two lower housing screws 33, respectively vertically upward through horizontal sides 312 and lower bolster 35 under segmental support, are pushed down the downside of welding plate 5; Described two lower housing screws 33 are symmetricly set on housing screw 32 both sides.
The sensor fastening device of aforesaid ultrasonic guided wave detecting weld seam, wherein said fixed band 2 is provided with respectively and set screw 13, circular hole that coaxial cable interface post 122 is corresponding, and the material of fixed band 2 is flexible material; Described sensor 12 is piezoelectric sensor.
The utility model is simple in structure, easy to operate, reliable and stable, applicability is stronger, make to be arranged on weld seam and weld seam both sides each sensor be not subject to weld shape and big or small restriction.Meanwhile, receive back wave intensity in order to have increased, the utility model has improved the length that can survey weld seam greatly, for the efficient detection of remote weld seam provides a kind of reliable approach.Multiple sensors are fixed on location and the compression of the fixed band in welding plate by two ends, sensor is contacted with treating corpse or other object for laboratory examination and chemical testing rigidity, when detection, several 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 increased measurement range, improved detection efficiency and precision.
Advantage and disadvantage of the present utility model, by for illustration and explanation the non-limitative illustration by preferred embodiment below, these embodiment, only provide as an example with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1;
Fig. 3 is the B-B cutaway view Amplified image of Fig. 1;
Fig. 4 is the vertical view of sensor;
Fig. 5 is the front view of fixed band.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1～Fig. 5, the present embodiment is for detection of the butt-weld 4 of two welding plates 5, comprise 5 sensing units 1, fixed band 2 and two grip unit 3, along fixed band 2 length directions, 5 sensing units 1 are side by side symmetricly set in the welding plate 5 of weld seam 4 and weld seam 4 both sides, 5 sensing unit 1 upper ends are separately fixed at subordinate in fixed band 2, and lower end abutment is in the weld seam 4 of curved projection and the welding plate 5 of weld seam both sides.Fixed band 2 length directions are perpendicular to weld seam 4, and grip unit 3 is separately fixed at fixed band 2 two ends in welding plate 5.
Clamp of sensor 11 is the flute profile that Open Side Down, the relative medial surface of the described flute profile two symmetrical groove 111 that traps out that concaves respectively; Sensor 12 two ends are provided with the guiding raised line 121 matching with groove 111, and the guiding raised line 121 at sensor 12 two ends is embedded in respectively in the groove 111 of clamp of sensor 11.The sensor 12 extended coaxial cable interface posts 122 of upside central authorities are embedded in the pilot hole 112 of clamp of sensor 11 upsides, and such structure is positioned in clamp of sensor 11 sensor 12 horizontal directions completely.2 set screw 13 are screwed in clamp of sensor 11 two ends through fixed band 2 symmetries respectively, and set screw pushes away sensor 12 under 13 bottoms, makes sensor 12 base abuts in the welding plate 5 of weld seam 4 or weld seam both sides.Fixed band 2 is made for flexible material, and the present embodiment adopts ABS engineering plastics, also can adopt leather, rubber etc. to have flexible flexible material, further improves the mechanical couplings of sensor 12 bottom butt welded seams 4 and welding plate 5; Sensor 12 adopts piezoelectric sensor.
Groove 111 and the interchangeable setting of guiding raised line 121, groove 111 is arranged on sensor 12 two ends, and guiding raised line 121 is arranged on 11 liang of relative medial surfaces of clamp of sensor.
Grip unit 3 comprises 31,1 upper 32,2 lower housing screw 33 of housing screw of segmental support, 34 and 2 lower bolsters 35 of upper padding plate, upper housing screw 32 through horizontal sides 311 on segmental support, is pushed down upper padding plate 34, fixed band 2 one end and welding plate 5 upsides vertically downward successively; Two lower housing screws 33, respectively vertically upward through horizontal sides 312 and lower bolster 35 under segmental support, are pushed down the downside of welding plate 5.Two lower housing screws 33 are symmetricly set on housing screw 32 both sides.Such structure can be strained and fixed and be with 2.
Fixing means of the present utility model is as follows:
1) first sensor 12 is inlaid in clamp of sensor 11, then by 5 clamp of sensors 11 and be emitted on the weld seam 4 of curved projection and the welding plate 5 of weld seam both sides on, make wherein 1 sensor 12 base abuts for acknowledge(ment) signal at the weld seam 4 of curved projection in the heart, 2 are inclined at the weld seam 4 for sensor 12 both sides of acknowledge(ment) signal for sensor 12 symmetries of launching, another 2 welding plates 5 that are resisted against respectively weld seam 4 both sides for sensor 12 bottoms of launching.
2) fixed band 2 middle parts are placed on sensor 12 tops, then the set screw 13 of 2 one group are passed respectively to the set screw hole 21 of fixed band 2 correspondences, be screwed in corresponding clamp of sensor 11 upsides; Coaxial cable interface post 122 stretches out corresponding circular hole 22.
3) first segmental support 31 opening parts that install upper housing screw 32 and lower housing screw 33 are stuck on welding plate 5 edges, then insert respectively 34 and 2 lower bolsters 35 of 1 upper padding plate at the upper and lower sides of welding plate 5, then fixed band 2 two ends are inserted in respectively between upper padding plate 34 downsides and welding plate 5 upsides.Tighten again the upper and lower upper housing screw 32 of segmental support 31 and lower housing screw 33, fixed band 2 one end are fixed.
4) be with after 2 other ends repeating step 3 being strained and fixed), fixed band 2 other ends are fixed.
5) adjusting behind the position of each sensor 12, tighten one by one set screw 13, each sensor 12 bottoms are pressed on respectively in the welding plate 5 of weld seam 4 and weld seam 4 both sides.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (6)
1. the sensor device of a ultrasonic guided wave detecting weld seam, it is characterized in that: comprise several sensing units (1), fixed band (2) and two grip unit (3), fixed band (2) length direction is perpendicular to weld seam (4), along fixed band (2) length direction, several sensing units (1) are side by side symmetricly set in the welding plate (5) of weld seam (4) and weld seam (4) both sides, several sensing units (1) upper end is separately fixed at subordinate in fixed band (2), several sensing units (1) lower end is resisted against respectively in the weld seam (4) of curved projection and the welding plate (5) of weld seam both sides, grip unit (3) is separately fixed at fixed band (2) two ends in welding plate (5), described sensing unit (1) comprises clamp of sensor (11), sensor (12) and 2 set screw (13), and sensor (12) is inlaid in clamp of sensor (11).
2. the sensor fastening device of ultrasonic guided wave detecting weld seam as claimed in claim 1, it is characterized in that: described clamp of sensor (11) is the flute profile that Open Side Down the relative medial surface of the described flute profile two symmetrical groove (111) that traps out that concaves respectively; Sensor (12) two ends are provided with the guiding raised line (121) matching with groove (111), and the guiding raised line (121) at sensor (12) two ends is embedded in respectively in the groove (111) of clamp of sensor (11); Sensor (12) the upside extended coaxial cable interface posts of central authorities (122) are embedded in the pilot hole (112) of clamp of sensor (11) upside; 2 set screw (13) push away sensor (12) under being screwed in clamp of sensor (11) two ends through symmetry after fixed band (2) respectively, make sensor (12) base abuts in the welding plate (5) of weld seam (4) or weld seam both sides.
3. the sensor fastening device of ultrasonic guided wave detecting weld seam as claimed in claim 1, it is characterized in that: described grip unit (3) comprises segmental support (31), 1 upper housing screw (32), 2 lower housing screws (33), upper padding plate (34) and 2 lower bolsters (35), upper housing screw (32) through horizontal sides (311) on segmental support, is pushed down upper padding plate (34), fixed band (2) one end and welding plate (5) upside vertically downward successively; Two lower housing screws (33) vertically upward through horizontal sides (312) and lower bolster (35) under segmental support, are pushed down the downside of welding plate (5) respectively.
4. the sensor fastening device of ultrasonic guided wave detecting weld seam as claimed in claim 3, is characterized in that: described two lower housing screws (33) are symmetricly set on housing screw (32) both sides.
5. the sensor device of ultrasonic guided wave detecting weld seam as claimed in claim 1, it is characterized in that: described fixed band (2) is provided with respectively and set screw (13), circular hole that coaxial cable interface post (122) is corresponding, and the material of fixed band (2) is flexible material.
6. the sensor device of ultrasonic guided wave detecting weld seam as claimed in claim 1, is characterized in that: described sensor (12) is piezoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101610.6U CN203870071U (en) | 2014-03-07 | 2014-03-07 | Sensor device adopting ultrasonic guided wave to detect welding seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101610.6U CN203870071U (en) | 2014-03-07 | 2014-03-07 | Sensor device adopting ultrasonic guided wave to detect welding seam |
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| Publication Number | Publication Date |
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| CN203870071U true CN203870071U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420101610.6U Expired - Fee Related CN203870071U (en) | 2014-03-07 | 2014-03-07 | Sensor device adopting ultrasonic guided wave to detect welding seam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901112A (en) * | 2014-03-07 | 2014-07-02 | 镇江天颐装备科技有限公司 | Sensor device for detecting welding line by ultrasonic guided waves and fixing method |
-
2014
- 2014-03-07 CN CN201420101610.6U patent/CN203870071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901112A (en) * | 2014-03-07 | 2014-07-02 | 镇江天颐装备科技有限公司 | Sensor device for detecting welding line by ultrasonic guided waves and fixing method |
| CN103901112B (en) * | 2014-03-07 | 2016-06-29 | 镇江天颐装备科技有限公司 | The sensor device of ultrasonic guided wave detecting weld seam and fixing means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200307 |