CN105301100A - Device for fixing complex workpiece in ultrasonic non-destructive testing - Google Patents
Device for fixing complex workpiece in ultrasonic non-destructive testing Download PDFInfo
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- CN105301100A CN105301100A CN201510744341.4A CN201510744341A CN105301100A CN 105301100 A CN105301100 A CN 105301100A CN 201510744341 A CN201510744341 A CN 201510744341A CN 105301100 A CN105301100 A CN 105301100A
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Abstract
The invention provides a device for fixing a complex workpiece in ultrasonic non-destructive testing. The device comprises an ultrasonic probe, a workpiece clamp and a reflection component. The ultrasonic probe is located above the reflection component and used for transmitting ultrasonic waves into water in the vertical direction. The workpiece clamp is used for clamping and fixing a workpiece to be tested. The workpiece clamp is provided with a slope clamping groove. The reflection component is inserted into the slope clamping groove so as to be fixed to the workpiece clamp. The ultrasonic waves transmitted by the ultrasonic probe in the vertical direction are transmitted to the workpiece to be tested after being reflected by the reflection component. Due to the fact that the tested face of the workpiece to be tested is vertical, it can be ensured that the ultrasonic waves are perpendicular to the tested face. According to the device, the purpose of vertical incidence of the ultrasonic waves to the surface of the workpiece to be tested can be achieved for the bent complex workpiece by adding the reflection component.
Description
Technical field
The present invention relates to Ultrasonic Nondestructive field, concrete, relate to a kind of fixing means for detecting bending workpieces and device.
Background technology
Ultrasound examination is a kind of usual way in Non-Destructive Testing, is also the detection means that electrical contact weld layer welding quality is commonly used.When carrying out Ultrasonic Nondestructive, the position of measured workpiece should be fixed, and ultrasound wave should impinge perpendicularly on the surface of measured workpiece.At Low Voltage Electrical Apparatus, the shape of detected electric contact, except more common butterfly, template, also has a kind of common bender's piece installing, this type of workpiece composition more complicated, when ultrasonic probe impinges perpendicularly on the water surface, tested measuring point and ultrasonic probe cannot keep plumbness.When ultrasound wave cannot impinge perpendicularly on surface of the work, not by other instrument, the accurate detection to measured workpiece cannot be realized.
As the Chinese invention patent application that publication number is CN104749257A (application number 201310752628.2), disclose ultrasound wave angle regulator in a kind of water seaoning Ultrasonic Detection, the water logging ultrasonic non-destructive inspection techniques field that this invention belongs to nuclear power station small-bore tubing shape equipment inside surface is ultrasound wave angle regulator in a kind of water seaoning ultrasonic detection equipment.This invention uses two ultrasonic probes, according to scanning needs, switches location and quantitative ultrasound probe; The ultrasonic incident angle of remote adjustment, realizes the location to small-bore tubing weld seam multiple angles of incidence degree and quantitative ultrasonic examination.But to Low Voltage Electrical Apparatus, complicated pad adopts conventional detection method to carry out Detection results still can not reach requirement; To the Ultrasonic Detection of this type of pad, in practical application, also not good solution.
Summary of the invention
The present invention is directed to the Ultrasonic NDT of bending class electric contact common in Low Voltage Electrical Apparatus, design the stationary installation of complex part in a kind of Ultrasonic Nondestructive, realize the Ultrasonic NDT to the pad adopting conventional method to detect.
For realizing above-mentioned object, the technical solution used in the present invention is:
A stationary installation for complex part in Ultrasonic Nondestructive, described device comprises ultrasonic probe, workholder and reflection part, wherein: described ultrasonic probe is positioned at above described reflection part, for vertically launching ultrasound wave in water; Described workholder is used for gripping measured workpiece; Described workholder is provided with inclined-plane draw-in groove, described reflection part inserts in described inclined-plane draw-in groove, thus is fixed on described workholder; The ultrasound wave that described ultrasonic probe vertically sends, after the reflection of described reflection part, directive measured workpiece in the horizontal direction, because the detected face of measured workpiece is vertical, therefore can ensure that ultrasound wave is vertical with detected face.
Preferably, described ultrasonic probe and reflection part angle at 45 °, described reflection part and surface level angle at 45 °.
Preferably, the surface level angle at 45 ° of described inclined-plane draw-in groove and workholder, and ensure that the region between the border of inclined-plane draw-in groove and the detected face of measured workpiece of placing does not have structure barrier, to ensure the region that the sound wave of ultrasonic probe reaches detected.
More preferably, the width of described inclined-plane draw-in groove is consistent with the width of reflection part.
More preferably, the material of described reflection part is stainless steel, with this, the thickness of stainless steel steel disc, between 1mm ~ 2mm, can ensure that ultrasound wave can at stainless steel surfaces, reflection occur and can not cause too much loss.
Preferably, described workholder is according to the configuration design of measured workpiece, and the detected face of measured workpiece is placed perpendicular to surface level.
More preferably, described workholder adopts 3D printing type to make.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention be directed to the stationary installation of a kind of complex part in Ultrasonic Nondestructive field, particularly for bending class workpiece, the ultrasonic probe of vertical incidence cannot arrive detected face and detect, apparatus of the present invention, by adding reflection part, the object making ultrasound wave impinge perpendicularly on measured workpiece surface can be reached.
Accompanying drawing explanation
Fig. 1 is the equipments overall structure figure of one embodiment of the present invention;
In figure: ultrasonic probe 1, workholder 2, measured workpiece 3, catoptron 4;
Fig. 2 a, Fig. 2 b are the measured workpiece schematic diagram of one embodiment of the invention;
In figure: the first structure 5, second structure 6, the tested measuring point 9 of the 3rd structure the 7, first tested measuring point 8, second, the 3rd tested measuring point 10;
Fig. 3 a is the testing result detecting the second tested measuring point 9 after adopting device of the present invention;
Fig. 3 b is the testing result adopting disruptive method to detect the second check point 9.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As shown in Figure 1, a kind of stationary installation for complex part in Ultrasonic Detection, described device comprises: ultrasonic probe 1, workholder 2, measured workpiece 3 and catoptron 4, wherein:
Described ultrasonic probe 1 is positioned at the top of catoptron 4, and angle at 45 ° with catoptron 4, the ultrasound wave that guarantee ultrasonic probe vertically sends is after the reflection of this reflection part, can directive measured workpiece in the horizontal direction, because the detected face of measured workpiece is vertical, therefore can ensure that ultrasound wave is vertical with detected face.
Described workholder 2, for gripping measured workpiece 3, workholder 2 is provided with inclined-plane draw-in groove, and described catoptron 4 inserts in described inclined-plane draw-in groove;
In the present embodiment, the surface level angle at 45 ° of described inclined-plane draw-in groove and workholder 2, thus make to be inserted in the catoptron 4 in inclined-plane draw-in groove and surface level angle at 45 °; Structure barrier is not had, to ensure that the ultrasound wave of ultrasonic probe 1 directly reaches detected region between the border simultaneously ensureing inclined-plane draw-in groove and the region in the detected face of placing detected workpiece.
In the present embodiment, described workholder 2 adopts 3D printing type to prepare.
In the present embodiment, described workholder 2 is according to the configuration design of measured workpiece 3, and the tested face of weld vertical and horizontal face of measured workpiece is placed.
In the present embodiment, described catoptron 4 adopts stainless steel steel disc, and its thickness range is 1.0mm ~ 2mm.
As shown in Fig. 2 a, 2b, the first structure 5, second structure 6 on described measured workpiece 3, the 3rd structure 7 form three pads altogether, are the tested measuring point 9 of the first tested measuring point 8, second, the 3rd tested measuring point 10 respectively.When detection the first tested measuring point 8, conventional method can be adopted, measured workpiece 3 is fixed, and ensures that ultrasonic probe 1 is placed in directly over the first measured point 8.Same, when detection the 3rd tested measuring point 10, conventional method can be adopted, measured workpiece 3 is fixed, and ensures that ultrasonic probe 1 is placed in directly over the 3rd measured point 10.
But when detection the second tested measuring point 9, due to the complicacy of the second measured point 9, the surface of the second structure 6 is circular arcs, if be inaccurate from left incident ultrasound wave result as shown in Figure 2 a; If from the direct incident ultrasound wave in right as shown in Figure 2 b, the first structure 5 will block ultrasonic beam, makes ultrasonic beam cannot arrive the position of wishing detection.Thus adopt conventional fixing means to detect after fixing for measured workpiece 3, cannot realize; The wave beam of ultrasonic probe 1 cannot impinge perpendicularly on tested solder joint.
After utilizing device as shown in Figure 1, the ultrasonic beam vertical direction of ultrasonic probe 1 is transmitted on catoptron 4, by the reflex of catoptron 4, makes ultrasonic beam vertically arrive the second measured point 9, realize the detection to the solder joint adopting conventional method to detect.
As shown in Figure 3 a, be the testing result detecting the second tested measuring point 9 after adopting described device, Fig. 3 b adopts destructive detection method, measured workpiece is manually broken by force the straight testing result later utilizing identical equipment.Contrast known, adopt apparatus of the present invention to carry out the result that detects and destructive testing result consistance better.
The foregoing is only section Example of the present invention, not do any restriction to technical scope of the present invention, all any amendments made within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the stationary installation for complex part in Ultrasonic Detection, it is characterized in that, described device comprises ultrasonic probe, workholder and reflection part, wherein: described ultrasonic probe is positioned at above described reflection part, for vertically launching ultrasound wave in water; Described workholder is used for gripping measured workpiece; Described workholder is provided with inclined-plane draw-in groove, described reflection part inserts in described inclined-plane draw-in groove, thus is fixed on described workholder;
The ultrasound wave that described ultrasonic probe vertically sends, after the reflection of described reflection part, directive measured workpiece in the horizontal direction, because the detected face of measured workpiece is vertical, therefore can ensure that ultrasound wave is vertical with detected face.
2. a kind of stationary installation for complex part in Ultrasonic Detection according to claim 1, is characterized in that, described ultrasonic probe and reflection part angle at 45 °, described reflection part and surface level angle at 45 °.
3. a kind of stationary installation for complex part in Ultrasonic Detection according to claim 2, it is characterized in that, the surface level angle at 45 ° of described inclined-plane draw-in groove and workholder, and ensure that the region between the border of inclined-plane draw-in groove and the detected face of measured workpiece of placing does not have structure barrier, to ensure the region that the sound wave of ultrasonic probe reaches detected.
4. a kind of stationary installation for complex part in Ultrasonic Detection according to claim 3, it is characterized in that, the width of described inclined-plane draw-in groove is consistent with the width of described reflection part.
5. a kind of stationary installation for complex part in Ultrasonic Detection according to any one of claim 1-4, it is characterized in that, the material of described reflection part is stainless steel steel disc.
6. a kind of stationary installation for complex part in Ultrasonic Detection according to claim 5, it is characterized in that, the thickness of described stainless steel steel disc is between 1mm ~ 2mm.
7. a kind of stationary installation for complex part in Ultrasonic Detection according to any one of claim 1-4, is characterized in that, described workholder is according to the configuration design of measured workpiece, and the detected face of weld vertical and horizontal face of detected workpiece is placed.
8. a kind of stationary installation for complex part in Ultrasonic Detection according to claim 7, is characterized in that, described workholder adopts 3D printing type to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744341.4A CN105301100A (en) | 2015-11-05 | 2015-11-05 | Device for fixing complex workpiece in ultrasonic non-destructive testing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744341.4A CN105301100A (en) | 2015-11-05 | 2015-11-05 | Device for fixing complex workpiece in ultrasonic non-destructive testing |
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| CN105301100A true CN105301100A (en) | 2016-02-03 |
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| CN201510744341.4A Pending CN105301100A (en) | 2015-11-05 | 2015-11-05 | Device for fixing complex workpiece in ultrasonic non-destructive testing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548866A (en) * | 2018-03-29 | 2018-09-18 | 深圳市安思科电子科技有限公司 | A kind of supersonic detector that the Effect on Detecting with automated packing function is good |
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| CN203606325U (en) * | 2013-10-17 | 2014-05-21 | 航天海鹰(镇江)特种材料有限公司 | Ultrasonic wave detection device for composite material structural member with hollow cavity |
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| CN204302239U (en) * | 2014-12-30 | 2015-04-29 | 中核武汉核电运行技术股份有限公司 | The ultrasonic angular adjustment apparatus of a kind of water logging that can demarcate under water |
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| CN108548866A (en) * | 2018-03-29 | 2018-09-18 | 深圳市安思科电子科技有限公司 | A kind of supersonic detector that the Effect on Detecting with automated packing function is good |
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