CN104777235B - Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece - Google Patents
Low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece Download PDFInfo
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- CN104777235B CN104777235B CN201510167804.5A CN201510167804A CN104777235B CN 104777235 B CN104777235 B CN 104777235B CN 201510167804 A CN201510167804 A CN 201510167804A CN 104777235 B CN104777235 B CN 104777235B
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Abstract
The present invention announces a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, including test block, the test block is cuboid, the cuboid lower surface and side surface are plane, and the face of cylinder and the second plane that upper surface is 1~10 ° of the first inclined-plane by the first plane, angle of inclination, angle of inclination is 10~20 ° the second inclined-plane, arc radius are 10~50mm are connected in sequence.The present invention takes into full account the features of shape of Low Voltage Electrical Apparatus electrical contact, can coordinate ultrasound scanning, completes ultrasonic probe and the detectability with inclined-plane or arc surface workpiece is demarcated;The deficiency of test block specified in other multiple standards can be made up, operating efficiency is improved, has highly application value.
Description
Technical field
It is to be related to a kind of low-voltage electrical apparatus electric contact more specifically the invention belongs to ultrasonic examination equipment technology field
Ultrasonic Nondestructive cambered surface plagiohedral test piece.
Background technology
Ultrasound examination is one of lossless detection method for being most widely used at present.It has that penetration power is strong, equipment is light
Just, testing cost is low, detection efficiency is high, it is possible to the advantages of knowing testing result immediately.In actually detected, due to being detected
Part is different, and needs to use different ultrasonic examination standards.But at present, in low voltage electrical apparatus industry, the table of electrical contact
Face shape is single except common plane, the also shape such as inclined-plane and arc surface, existing standard testing block function, without abundant
Consider the surface configuration of workpiece for measurement.There is no Special test block to carry out the performance of ultrasonic probe detection inclined-plane and cambered surface in ultrasound detection
The demarcation of index, inconvenience is brought to detection work.
The content of the invention
For above-mentioned defect of the prior art, the purpose of the present invention be a kind of low-voltage electrical apparatus electric contact ultrasonic wave of design without
Detection cambered surface plagiohedral test piece is damaged, the workpiece takes into full account the surface configuration of electrical contact, to inclined-plane and arc surface shape
Electrical contact testing standard is provided, supplement the deficiency of existing testing standard.
To realize above-mentioned purpose, the technical solution adopted by the present invention is,
The present invention provides a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, including surveys
Test block, the test block is cuboid, and the cuboid lower surface of the test block and side surface are plane, the test block
Cuboid upper surface is 1~10 ° of the first inclined-plane by the first plane, angle of inclination, angle of inclination is 10~20 ° second is oblique
Face, arc radius are that the 10~50mm face of cylinder and the second plane are connected in sequence.
Preferably, the length of first plane and second plane is that 2~5mm, width are 10~20mm.
Preferably, the projected length of first inclined-plane and second inclined-plane in the horizontal plane is 2~8mm, width
It is 10~20mm.
Preferably, the projected length of the face of cylinder in the horizontal plane is that 5~10mm, width are 10~20mm.
Preferably, a length of 13~40mm of the cuboid, a width of 10mm, a height of 5~20mm.
By adopting the above-described technical solution, 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, ultrasonic wave can be coordinated to sweep
Technology is retouched, ultrasonic probe is completed and the detectability with inclined-plane or arc surface workpiece is demarcated, the present invention can make up
The deficiency of test block specified in other multiple standards, improves operating efficiency, has highly application value.
Brief description of the drawings
Fig. 1 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece of one embodiment of the invention
Front view;
Fig. 2 is the low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece of one embodiment of the invention
Top view;
In figure:1 is the first plane, and 2 be the first inclined-plane, and 3 be the second inclined-plane, and 4 be the face of cylinder, and 5 be the second plane.
Embodiment
Technical scheme is further described below, the following description is only to understand technical solution of the present invention
It is used, is not used in restriction the scope of the present invention, protection scope of the present invention is defined by claims.
As shown in figure 1, the present invention tests work for a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral
Part, including test block, the test block are cuboid, and the cuboid lower surface of the test block and side surface are plane, institute
State the cuboid upper surface of test block by the first plane 1, the first inclined-plane 2 that angle of inclination is 1~10 °, angle of inclination be 10~
20 ° of the second inclined-plane 3, the plane 5 of the face of cylinder 4 and second that arc radius is 10~50mm are connected in sequence.
In the present embodiment, the length of first plane 1 and second plane 5 be 2~5mm, width be 10~
20mm。
In the present embodiment, the projected length of first inclined-plane 2 and second inclined-plane 3 in the horizontal plane is 2~
Equal 10~the 20mm of 8mm, width.
In the present embodiment, the projected length of the face of cylinder 4 in the horizontal plane is that 5~10mm, width are 10~20mm.
In the present embodiment, a length of 13~40mm, a width of 10mm, a height of 5~20mm of the cuboid.
As a preferred embodiment, the workpiece is cuboid test block, the cuboid lower surface of the test block
And side surface is plane, the cuboid upper surface of the test block is by the first plane 1,5 ° of the first inclined-plane 2, the second of 10 °
Inclined-plane 3, arc radius are from left to right formed by connecting successively for the 25mm plane 5 of the face of cylinder 4 and second.
As a preferred embodiment, the test block total length is 20mm, wherein:The first, second of left and right ends
Plane 1,5 length are 2mm, and first, second 2,3 projected length in the horizontal plane of inclined-plane is 4mm, and the face of cylinder 4 is in level
Projected length on face is 8mm.
First, second inclined-plane 2,3 can complete the demarcation popped one's head in inclined-plane, and the face of cylinder 4 can complete probe
Demarcation to arc surface.
As a preferred embodiment, as shown in Fig. 2 oblique for low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface
The top view of face type test piece, the workpiece is the test block of cuboid, a length of 20mm of the cuboid, a width of 10mm,
A height of 5mm.The cuboid lower surface and side surface are plane, and upper surface is by the first plane 1, first that angle of inclination is 5 °
Inclined-plane 2, angle of inclination be 10 ° the second inclined-plane 3, arc radius be 25mm the plane 5 of the face of cylinder 4 and second be sequentially connected and
Into.The length of first plane 1 and second plane 5 is that 2mm, width are 10mm, first inclined-plane 2 and described
The projected length of second inclined-plane 3 in the horizontal plane is that 4mm, width are 10mm, the projection of the face of cylinder 4 in the horizontal plane
Length is that 8mm, width are 10mm.First inclined-plane 2 and second inclined-plane 3 can complete mark of the ultrasonic probe to inclined-plane
Fixed, the face of cylinder 4 can complete the demarcation popped one's head in arc surface.
Test piece of the present invention has taken into full account the features of shape of Low Voltage Electrical Apparatus electrical contact, can coordinate ultrasound
Ripple scanning technique, completes ultrasonic probe and the detectability with inclined-plane or arc surface workpiece is demarcated, the present invention can be with
The deficiency of test block specified in other multiple standards is made up, operating efficiency is improved, has highly application value.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (2)
1. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, it is characterised in that including surveying
Test block, the test block is cuboid, and the cuboid lower surface of the test block and side surface are plane, the test block
Cuboid upper surface is 1~10 ° of the first inclined-plane by the first plane, angle of inclination, angle of inclination is 10~20 ° second is oblique
Face, arc radius are that the 10~50mm face of cylinder and the second plane are connected in sequence;
The length of first plane and second plane is that 2~5mm, width are 10~20mm;
The projected length of first inclined-plane and second inclined-plane in the horizontal plane be 2~8mm, width be 10~
20mm;
The projected length of the face of cylinder in the horizontal plane is that 5~10mm, width are 10~20mm.
2. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece as claimed in claim 1,
Characterized in that, a length of 13~40mm of the cuboid, a width of 10mm, a height of 5~20mm.
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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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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 CN104777235A (en) | 2015-07-15 |
CN104777235B true CN104777235B (en) | 2017-10-13 |
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Families Citing this family (2)
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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 |
CN112108946B (en) * | 2020-08-03 | 2022-10-25 | 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 |
Citations (5)
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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
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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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Address after: 200240 Shanghai city Minhang District Jianchuan road 953 Lane 322 building Applicant after: SHANGHAI HEWU PRECISION APPARATUS CO., LTD. Address before: No. 955 Cangyuan science and Technology Park, 200240 Shanghai city Minhang District Jianchuan Road Building 9 floor, I enjoy my home Applicant before: Shanghai Hiwave Advanced Materials Technology Co., Ltd. |
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