CN104777235A - Arc surface/inclined surface type test workpiece for ultrasonic non-destructive testing of electric contacts of low-voltage apparatuses - Google Patents
Arc surface/inclined surface type test workpiece for ultrasonic non-destructive testing of electric contacts of low-voltage apparatuses Download PDFInfo
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- CN104777235A CN104777235A CN201510167804.5A CN201510167804A CN104777235A CN 104777235 A CN104777235 A CN 104777235A CN 201510167804 A CN201510167804 A CN 201510167804A CN 104777235 A CN104777235 A CN 104777235A
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Abstract
The invention discloses an arc surface/inclined surface type test workpiece for ultrasonic non-destructive testing of electric contacts of low-voltage apparatuses. The arc surface/inclined surface type test workpiece comprises a test block, wherein the test block is a cuboid; the lower surface and the side surfaces of the cuboid are planes; the upper surface of the cuboid is formed by connecting a first plane, a first inclined surface with an inclination angle of 1-10 degrees, a second inclined surface with an inclination angle of 10-20 degrees, a cylindrical surface with an arc radius of 10-50 mm and a second plane in sequence. According to the arc surface/inclined surface type test workpiece, the shape characteristic of the electric contacts in the field of low-voltage apparatuses is fully considered and an ultrasonic scanning technology can be matched so as to calibrate the detectability of the workpieces with inclined surfaces or arc surfaces through an ultrasonic probe; the arc surface/inclined surface type test workpiece is capable of overcoming the defects of the test blocks specified in other standards and improving the working efficiency, and has high popularization and application values.
Description
Technical field
The invention belongs to UT (Ultrasonic Testing) equipment technology field, more particularly, relate to a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece.
Background technology
Ultrasound examination is one of lossless detection method be most widely used at present.It has, and penetration power is strong, equipment is light, testing cost is low, detection efficiency is high, and immediately can know the advantages such as testing result.In reality detects, because detected parts are different, and need to adopt different UT (Ultrasonic Testing) standards.But at present, in low voltage electrical apparatus industry, the surface configuration of electrical contact, except common plane, also has the shape such as inclined-plane and arc surface, existing standard testing block function singleness, does not take into full account the surface configuration of workpiece for measurement.Do not have Special test block to carry out ultrasonic probe in Ultrasonic Detection and detect the demarcation of the performance index of inclined-plane and cambered surface, bring inconvenience to testing.
Summary of the invention
For above-mentioned defect of the prior art, the object of the invention is to design a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, this workpiece takes into full account the surface configuration of electrical contact, there is provided testing standard to the electrical contact of inclined-plane and arc surface shape, supplement the deficiency of existing testing standard.
For realizing above-mentioned object, the technical solution used in the present invention is,
The invention provides a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, comprise test block, described test block is rectangular parallelepiped, the rectangular parallelepiped lower surface of described test block and side surface are plane, and the face of cylinder and second plane of to be the second inclined-plane, the arc radius of 10 ~ 20 ° be the first inclined-plane, angle of inclination that the rectangular parallelepiped upper surface of described test block is 1 ~ 10 ° by the first plane, angle of inclination 10 ~ 50mm are connected in sequence.
Preferably, described first plane and described second plane length is 2 ~ 5mm, width is 10 ~ 20mm.
Preferably, described first inclined-plane and described second inclined-plane projected length is in the horizontal plane 2 ~ 8mm, width is 10 ~ 20mm.
Preferably, described face of cylinder projected length is in the horizontal plane 5 ~ 10mm, width is 10 ~ 20mm.
Preferably, the length of described rectangular parallelepiped be 13 ~ 40mm, wide for 10mm, height be 5 ~ 20mm.
Owing to have employed technique scheme, following beneficial effect can be obtained:
Workpiece of the present invention has taken into full account the features of shape of Low Voltage Electrical Apparatus electrical contact, ultrasound scanning can be coordinated, complete ultrasonic probe to demarcate the detectability with inclined-plane or arc surface workpiece, the present invention can make up the deficiency of the test block specified in other multiple standards, increase work efficiency, have highly application value.
Accompanying drawing explanation
Fig. 1 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece front view of one embodiment of the invention;
Fig. 2 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece vertical view of one embodiment of the invention;
In figure: 1 is the first plane, 2 is the first inclined-plane, and 3 is the second inclined-plane, and 4 is the face of cylinder, and 5 is the second plane.
Embodiment
Be further described technical scheme of the present invention below, the following description is only the use understanding technical solution of the present invention, and be not used in and limit scope of the present invention, protection scope of the present invention is as the criterion with claims.
As shown in Figure 1, the present invention is a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, comprise test block, described test block is rectangular parallelepiped, the rectangular parallelepiped lower surface of described test block and side surface are plane, and the face of cylinder 4 and second plane 5 of to be the second inclined-plane 3, the arc radius of 10 ~ 20 ° be the first inclined-plane 2, angle of inclination that the rectangular parallelepiped upper surface of described test block is 1 ~ 10 ° by the first plane 1, angle of inclination 10 ~ 50mm are connected in sequence.
In the present embodiment, described first plane 1 and described second plane 5 length is 2 ~ 5mm, width is 10 ~ 20mm.
In the present embodiment, described first inclined-plane 2 and described second inclined-plane 3 projected length are in the horizontal plane 2 ~ 8mm, the equal 10 ~ 20mm of width.
In the present embodiment, the described face of cylinder 4 projected length is in the horizontal plane 5 ~ 10mm, width is 10 ~ 20mm.
In the present embodiment, the length of described rectangular parallelepiped be 13 ~ 40mm, wide for 10mm, height be 5 ~ 20mm.
As a preferred implementation, described workpiece is rectangular parallelepiped test block, the rectangular parallelepiped lower surface of described test block and side surface are plane, and the rectangular parallelepiped upper surface of described test block is that the face of cylinder 4 of 25mm and the second plane 5 are from left to right formed by connecting successively by second inclined-plane 3 on 2,10 °, first inclined-plane of 1,5 °, the first plane, arc radius.
As a preferred implementation, described test block total length is 20mm, wherein: first, second plane 1,5 length at two ends, left and right is 2mm, and first, second inclined-plane 2,3 projected length is in the horizontal plane 4mm, and the face of cylinder 4 projected length is in the horizontal plane 8mm.
First, second inclined-plane 2,3 described can complete the demarcation of probe to inclined-plane, and the described face of cylinder 4 can complete the demarcation of probe to arc surface.
As a preferred implementation, as shown in Figure 2, be the vertical view of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, described workpiece is the test block of rectangular parallelepiped, and the length of described rectangular parallelepiped is 20mm, the wide 10mm of being, height are 5mm.Described rectangular parallelepiped lower surface and side surface are plane, and the face of cylinder 4 and second plane 5 of to be the second inclined-plane 3, the arc radius of 10 ° be the first inclined-plane 2, angle of inclination that upper surface is 5 ° by the first plane 1, angle of inclination 25mm are connected in sequence.Described first plane 1 and described second plane 5 length is 2mm, width is 10mm, described first inclined-plane 2 and described second inclined-plane 3 projected length is in the horizontal plane 4mm, width is 10mm, the described face of cylinder 4 projected length is in the horizontal plane 8mm, width is 10mm.Described first inclined-plane 2 and described second inclined-plane 3 can complete the demarcation of ultrasonic probe to inclined-plane, and the described face of cylinder 4 can complete the demarcation of probe to arc surface.
Test piece of the present invention has taken into full account the features of shape of Low Voltage Electrical Apparatus electrical contact, ultrasound scanning can be coordinated, complete ultrasonic probe to demarcate the detectability with inclined-plane or arc surface workpiece, the present invention can make up the deficiency of the test block specified in other multiple standards, increase work efficiency, have highly application value.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (5)
1. a low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, it is characterized in that, comprise test block, described test block is rectangular parallelepiped, the rectangular parallelepiped lower surface of described test block and side surface are plane, and the face of cylinder and second plane of to be the second inclined-plane, the arc radius of 10 ~ 20 ° be the first inclined-plane, angle of inclination that the rectangular parallelepiped upper surface of described test block is 1 ~ 10 ° by the first plane, angle of inclination 10 ~ 50mm are connected in sequence.
2. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece as claimed in claim 1, is characterized in that, described first plane and described second plane length is 2 ~ 5mm, width is 10 ~ 20mm.
3. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece as claimed in claim 1, is characterized in that, described first inclined-plane and described second inclined-plane projected length is in the horizontal plane 2 ~ 8mm, width is 10 ~ 20mm.
4. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece as claimed in claim 1, it is characterized in that, described face of cylinder projected length is in the horizontal plane 5 ~ 10mm, width is 10 ~ 20mm.
5. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece as described in any one of claim 1-4, is characterized in that, the length of described rectangular parallelepiped be 13 ~ 40mm, wide for 10mm, height be 5 ~ 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167804.5A CN104777235B (en) | 2015-04-10 | 2015-04-10 | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167804.5A CN104777235B (en) | 2015-04-10 | 2015-04-10 | Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece |
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| CN104777235A true CN104777235A (en) | 2015-07-15 |
| CN104777235B CN104777235B (en) | 2017-10-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548371A (en) * | 2016-01-20 | 2016-05-04 | 上海和伍精密仪器股份有限公司 | Test block for ultrasonic non-destructive testing of electrical contact of low-voltage electric appliance as well as combination and application thereof |
| CN112108946A (en) * | 2020-08-03 | 2020-12-22 | 西安交通大学 | Single-parameter cylindrical surface projection double-sided forming grinding method for rear cutter face on side of slotting cutter |
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| JP3662482B2 (en) * | 2000-07-31 | 2005-06-22 | 財団法人鉄道総合技術研究所 | Calibration specimen for ultrasonic inspection of rail welds |
| CN101435800A (en) * | 2008-12-24 | 2009-05-20 | 河南电力试验研究院 | Test block special for butt-jointed seam ultrasonic wave climbing flaw detection of heterogeneity steel minor diameter tube |
| CN103267807A (en) * | 2013-05-03 | 2013-08-28 | 上海和伍新材料科技有限公司 | Method and device for calibrating probe in ultrasonic detection equipment |
| CN203422355U (en) * | 2013-07-17 | 2014-02-05 | 浙江方圆金属材料检测有限公司 | Defect simulation and comparison test cube for ultrasonic detection |
| CN204536284U (en) * | 2015-04-10 | 2015-08-05 | 上海和伍新材料科技有限公司 | A kind of low-voltage electrical apparatus electrical contact UT (Ultrasonic Testing) stepped ramp type test piece |
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2015
- 2015-04-10 CN CN201510167804.5A patent/CN104777235B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3662482B2 (en) * | 2000-07-31 | 2005-06-22 | 財団法人鉄道総合技術研究所 | Calibration specimen for ultrasonic inspection of rail welds |
| CN101435800A (en) * | 2008-12-24 | 2009-05-20 | 河南电力试验研究院 | Test block special for butt-jointed seam ultrasonic wave climbing flaw detection of heterogeneity steel minor diameter tube |
| CN103267807A (en) * | 2013-05-03 | 2013-08-28 | 上海和伍新材料科技有限公司 | Method and device for calibrating probe in ultrasonic detection equipment |
| CN203422355U (en) * | 2013-07-17 | 2014-02-05 | 浙江方圆金属材料检测有限公司 | Defect simulation and comparison test cube for ultrasonic detection |
| CN204536284U (en) * | 2015-04-10 | 2015-08-05 | 上海和伍新材料科技有限公司 | A kind of low-voltage electrical apparatus electrical contact UT (Ultrasonic Testing) stepped ramp type test piece |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548371A (en) * | 2016-01-20 | 2016-05-04 | 上海和伍精密仪器股份有限公司 | Test block for ultrasonic non-destructive testing of electrical contact of low-voltage electric appliance as well as combination and application thereof |
| CN105548371B (en) * | 2016-01-20 | 2019-03-08 | 上海和伍精密仪器股份有限公司 | Low-voltage electrical apparatus electrical contact Ultrasonic Nondestructive test block and combinations thereof and application |
| CN112108946A (en) * | 2020-08-03 | 2020-12-22 | 西安交通大学 | Single-parameter cylindrical surface projection double-sided forming grinding method for rear cutter face on side of slotting cutter |
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| CN104777235B (en) | 2017-10-13 |
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