CN205581063U - Low voltage apparatus electrical contact ultrasonic wave nondestructive test is with test piece and combination thereof - Google Patents
Low voltage apparatus electrical contact ultrasonic wave nondestructive test is with test piece and combination thereof Download PDFInfo
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- CN205581063U CN205581063U CN201620052336.7U CN201620052336U CN205581063U CN 205581063 U CN205581063 U CN 205581063U CN 201620052336 U CN201620052336 U CN 201620052336U CN 205581063 U CN205581063 U CN 205581063U
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Abstract
The utility model discloses a low voltage apparatus field electrical contact nondestructive test is with test piece and combination, the test piece is by the triplex: the first portion is type part, and the second portion is ring shape seal part, and the third part is sealed lid, ring shape seal part install type type part bottom, circular sealed lid sets up type type part top, ring shape seal part be located type type part between the sealed lid, type type part wholly is type structure, and upper and lower two parts of type all are cylinder or cuboid, the inside trapezoidal hole that all is equipped with of type part. Test piece exclusive use is an arbitrary test piece or the arbitrary combination of a plurality of tests piece wherein. The utility model discloses can supply the convenient use of measurement personnel in probe, the capability test of check out test set, the adjustment of sensitivity, the work of adjustment when detecting the particular form work piece and measuring range's aspects such as adjustment.
Description
Technical field
This utility model belongs to ultrasonic examination equipment technology field, more specifically, relates to a kind of low-voltage electrical apparatus electrical contact Non-Destructive Testing test block and combinations thereof.
Background technology
Ultrasound examination is one of lossless detection method of being most widely used at present.It has, and penetration power is strong, equipment is light, testing cost is low, detection efficiency is high, it is possible to immediately know the advantages such as testing result.
In the Non-Destructive Testing industry of low-voltage electrical apparatus, the quality of welding quality is the ratio of brazing area foundation as evaluation sweeping image by measuring C.In actually detected, often it is not enough to record the sensitivity of detection equipment and other relevant testing conditions quantitatively only by the various regulation buttons on detection device panel, this measures with regard to specified rate and follow-up checking brings difficulty, is also inconvenient to measure the performance of detecting system simultaneously.
Existing test block has international standard test block and national standard test block, but reference block often structure is complicated, and different reference blocks due to composition its main uses of difference different, testing staff select and use time the most inconvenient.
Find through retrieval, Chinese patent CN104777235A, disclose a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive cambered surface plagiohedral test piece, including test block, described test block is cuboid, described cuboid lower surface and side surface are plane, and upper surface is connected in sequence by the face of cylinder that the second inclined-plane that the first inclined-plane that the first plane, angle of inclination are 1～10 °, angle of inclination are 10～20 °, arc radius are 10～50mm and the second plane.This invention takes into full account the features of shape of Low Voltage Electrical Apparatus electrical contact, it is possible to coordinates ultrasound scanning, completes ultrasound probe and demarcate the power of test with inclined-plane or arc surface workpiece；The deficiency of the test block of regulation in other multiple standards can be made up, improve work efficiency, have highly application value.
Although more than invention can provide a set of ratio more complete test block, but when actually used, still can not complete the demarcation to detecting system according to scanning result rapidly, meanwhile, can not carry out the performance test of detection equipment easily.
Utility model content
For above-mentioned defect of the prior art, the purpose of this utility model is a kind of low-voltage electrical apparatus electrical contact Ultrasonic Nondestructive test block of design and combinations thereof, it is available for testing staff to be convenient to use in probe, the detection performance test of equipment, the adjustment of sensitivity, adjustment during detection special shape workpiece and the work of the aspect such as adjustment of the scope of measurement.
For achieving the above object, the technical solution adopted in the utility model is:
This utility model provides a kind of low-voltage electrical apparatus electrical contact Ultrasonic Nondestructive test block, and described test block is made up of three parts: Part I is convex parts, and Part II is annular seal parts, and Part III is for sealing lid；Described annular seal parts are arranged on described convex feature bottom, and described sealing lid is arranged on described convex component top, and described annular seal parts are between described convex parts, described sealing lid；Described convex parts refer to overall in convex structure, and two parts up and down of convex are all cylinder or cuboid；Described convex components interior is equipped with trapezoidal hole.
Further, the described cylinder of convex parts or the bottom of cuboid are provided with toroidal cavity, and are provided with screwed hole；Described annular seal parts are arranged in described toroidal cavity；Described sealing covers and is provided with screwed hole, and the corresponding threaded holes bottom described screwed hole and described convex cylinder or cuboid closes, thus described three parts is fixed as one by screw.
In an optimal way: described test block, two parts up and down of its convex parts are cylinder, and cylinder upper surface is plane, and inside is provided with trapezoidal hole, and this kind of structured testing block is referred to as plane test block.
Further, described plane test block is divided into two kinds, during use optionally one or both:
The first: plane test block, there is inside its cylinder a trapezoidal hole, and trapezoidal hole and exterior cylindrical coaxial；Described trapezoidal hole is blind hole, and the cylindrical upper surface of distance from top of described trapezoidal hole has a thickness；The described trapezoidal hole base diameter of described test block is bigger than described trapezoidal hole top diameter；
The second: plane test block, is provided with upper and lower two trapezoidal holes, the i.e. first trapezoidal hole, the second trapezoidal hole inside its cylinder；Described second trapezoidal hole is positioned at the lower position of described first trapezoidal hole；The top of described second trapezoidal hole is the bottom of described first trapezoidal hole；The top of described first trapezoidal hole to cylinder upper surface has a thickness, and described first trapezoidal hole base diameter is bigger than described first trapezoidal hole top diameter；The base diameter of described second trapezoidal hole is more than the top diameter of described second trapezoidal hole.
In an optimal way: described test block, two parts up and down of its convex parts are cylinder, and the cylindrical upper surface of upper part is sphere；This kind of structured testing block is referred to as Spherical Test block.
Further, described Spherical Test block, it is provided with a trapezoidal hole inside its cylinder, described trapezoidal hole is coaxial with described cylinder；There is a thickness in the center of circle, top of the internal trapezoidal hole of described test block to described sphere；Described test block trapezoidal hole base diameter is more than described trapezoidal hole top diameter.
In an optimal way: described test block, the top half of its convex parts is class cuboid, and the latter half is cuboid；The upper surface that described class cuboid refers to cuboid is the face of cylinder, and it is projected as square；This kind of structured testing block is referred to as face of cylinder test block.
Further, being provided with a trapezoidal hole inside the test block of the described face of cylinder, the center of described trapezoidal hole is the center of described class cuboid；There is a thickness in the center of circle, top of the internal trapezoidal hole of described test block to the described face of cylinder；Described test block trapezoidal hole base diameter is slightly larger than described trapezoidal hole top diameter.
This utility model also provides for the combination of a kind of above-mentioned Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block, and the combination of described test block is a set of test block, including multiple test blocks, is divided into 3 groups by the shape of upper surface: set of planes, sphere group and face of cylinder group；Wherein set of planes is at least 2 plane test blocks, and sphere group is 1 Spherical Test block, and face of cylinder group is 1 face of cylinder test block；During use, test block is used alone wherein any one test block or multiple test block combination in any；
Described at least 2 plane test blocks, there is inside the cylinder of at least one of which plane test block a trapezoidal hole (i.e. the first plane test block), inside the cylinder of at least one plane test block, be provided with about first, second two trapezoidal hole (i.e. the second plane test block).Particular number selects according to actual needs.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
This utility model Non-Destructive Testing test block, both can a whole set of use, wherein any one test block or its combination in any can also be used alone, ultrasound scanning can be coordinated, corresponding ratio of brazing area can be obtained after each test block of scanning, complete the demarcation to probe and the work to aspects such as the adjustment of the detection performance test of equipment and sensitivity.This utility model is simple, easy to use, the test block of regulation in alternative multiple standards, improves work efficiency, has highly application value.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of the assembly of one set of planes test block of this utility model；
Fig. 2 is this utility model test block ring structure schematic diagram；
Fig. 3 is the understructure schematic diagram of this utility model test block；
Fig. 4 (a)-Fig. 4 (g) is the sectional view of this utility model set of planes 1#-7# test block Part I；
Fig. 5 is the sectional view of this utility model set of planes 8# test block Part I；
Fig. 6 (a), Fig. 6 (b) are this utility model sphere group 9# test block Part I sectional view and axonometric drawing；
Fig. 7 (a), Fig. 7 (b) are this utility model cylinder cells 10# test block Part I sectional view and axonometric drawing；
In figure: convex cylinder or convex cuboid 1, annular seal parts 2, seal lid 3, trapezoidal hole 4, the upper surface 5 of convex parts, the top 6 of trapezoidal hole and the bottom 7 of trapezoidal hole, the first trapezoidal hole 8 and the second trapezoidal hole 9.
Detailed description of the invention
Being further described the technical solution of the utility model below, the following description only understands that technical solutions of the utility model are used, and is not used in restriction scope of the present utility model, and protection domain of the present utility model is as the criterion with claims.
As shown in Fig. 1-Fig. 7, a kind of combination of low-voltage electrical apparatus electrical contact Ultrasonic Nondestructive test block, including a set of totally 10 test blocks, shape according to test block upper surface is different, it is divided into plane, sphere and 3 groups of the face of cylinder, wherein set of planes is 8 plane test blocks, and sphere group is 1 Spherical Test block, and face of cylinder group is 1 face of cylinder test block.
8 plane test blocks of set of planes are divided into two classes, the 1st class to be 1# test block, 2# test block, 3# test block, 4# test block, 5# test block, 6# test block, 7# test block according to the difference of internal structure again；2nd class is 8# test block.Sphere group is 9# test block.Face of cylinder group is 10# test block.The constraint that this set test block does not the most determine, can use a whole set of 10 test blocks as test block, it is also possible to be used alone the most any one or more combinations during use.Adding man-hour, each test block can individually be processed.
Each test block is made up of three parts: 1#, 2#, 3#, 4#, 5#, 6#, 7#, 8# test block Part I convex parts, two parts up and down of convex are all cylinders, 9# tests Part I convex parts, convex top is divided into cylinder (cylinder upper surface 5 is sphere), and bottom is divided into cylinder；10# test block Part I convex parts, the upper part of convex is class square, and lower part is cuboid；Part II is annular seal parts 2 (such as circular ring shaped rubber sealing gasket), and Part III is for sealing lid 3 (such as circular seal lid).Described annular seal parts 2 are arranged on described convex feature bottom, and described sealing lid 3 is arranged on described convex parts 2 top, and described annular seal parts 2 are between described convex parts, described sealing lid 3；Described convex components interior is equipped with trapezoidal hole 4 (vertical sectional shape in hole).
Hereinafter the structure of each test block above-mentioned is described in detail by way of example:
As shown in Figure 1, installation diagram for the plane test block in this utility model one embodiment, the most above-mentioned set of planes test block 1#, 2#, 3#, 4#, 5#, 6#, 7#, each test block is made up of three parts, Part I is convex cylinder 1 (convex parts), Part II is annular seal parts 2, and Part III is circular seal lid 3.Part I convex cylinder 1 bottom surface of described test block is provided with toroidal cavity, and is provided with screwed hole；Described annular seal parts 2 are arranged in described toroidal cavity；Described circular seal lid 3 is provided with the corresponding threaded holes bottom screwed hole, described screwed hole and described convex cylinder 1 and closes；By screw, described three parts are fixed as one.
As Fig. 4 (a) show the sectional view of 1# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 and cylinder are coaxial；The top 6 of described trapezoidal hole 4 is 1.5mm to the distance of cylindrical upper surface 5；Trapezoidal hole top 6 diameter of a circle is 15mm, and bottom 7 diameter of a circle is 17mm；Being computed, the area of described trapezoidal hole top 6 circle is 15 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.09, i.e. 9%.
As Fig. 4 (b) show the sectional view of 2# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 and cylinder are coaxial；The top 6 of described trapezoidal hole is 1.5mm to the distance of cylindrical upper surface 5；Trapezoidal hole top 6 diameter of a circle is 20mm, and bottom 7 diameter of a circle is 22mm；Being computed, the area of described trapezoidal hole top 6 circle is 20 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.16, i.e. 16%.
As Fig. 4 (c) show the sectional view of 3# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 and cylinder are coaxial；The top 66 of described trapezoidal hole is 1.5mm to the distance of cylindrical upper surface 5；A diameter of 25mm of trapezoidal hole top circle 6, a diameter of 27mm of bottom circle 7；Being computed, the area of described trapezoidal hole top 6 circle is 25 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.25, i.e. 25%.
As Fig. 4 (d) show the sectional view of 4# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal 4 holes and cylinder are coaxial；The top 6 of described trapezoidal hole is 1.5mm to the distance of cylindrical upper surface 5；Trapezoidal hole top 6 diameter of a circle is 30mm, a diameter of 32mm of bottom circle 6；Being computed, the area of described trapezoidal hole top 6 circle is 30 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.36, i.e. 36%.
As Fig. 4 (e) show the sectional view of 5# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 and cylinder are coaxial；The top 6 of described trapezoidal hole is 1.5mm to the distance of cylindrical upper surface 5；Trapezoidal hole top 6 diameter of a circle is 35mm, and bottom 7 diameter of a circle is 37mm；Being computed, the area of described trapezoidal hole top 6 circle is 35 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.49, i.e. 49%.
As Fig. 4 (f) show the sectional view of 6# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 and cylinder are coaxial；The top 6 of described trapezoidal hole is 1.5mm to the distance of cylindrical upper surface 5；Trapezoidal hole top 6 diameter of a circle is 40mm, and bottom 7 diameter of a circle is 42mm；Being computed, the area of described trapezoidal hole top 6 circle is 40 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.64, i.e. 64%.
As Fig. 4 (g) show the sectional view of 7# test block Part I.A diameter of 50mm of convex cylinder upper surface 5；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 and cylinder are coaxial；The top 6 of described trapezoidal hole is 1.5mm to the distance of cylindrical upper surface 5；Trapezoidal hole top 6 diameter of a circle is 45mm, and bottom 7 diameter of a circle is 47mm；Being computed, the area of described trapezoidal hole top 6 circle is 45 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.81, i.e. 81%.
It is illustrated in figure 5 the installation diagram for the plane test block in this utility model one embodiment, the i.e. sectional view of set of planes 8# test block Part I.The cylindrical a diameter of 50mm of 8# test block upper part；Inside is provided with first trapezoidal hole the 8, second trapezoidal hole 9, and upper and lower 2 trapezoidal holes, described trapezoidal hole and cylinder are coaxial；The top of described first trapezoidal hole 8 is 2mm to the distance of cylindrical upper surface 5；Described first trapezoidal hole 8 top diameter of a circle is 20mm, and bottom diameter of a circle is 45mm；Described second trapezoidal hole 9 top diameter of a circle is 45mm, and bottom diameter of a circle is 47mm.
Fig. 6 (a), Fig. 6 (b) are sectional view and the axonometric drawing of the sphere group 9# test block Part I in this utility model one embodiment；Described 9# test block Part I is convex parts, and top half and the latter half of described convex are cylinder；Described convex upper part upper surface 5 is sphere, and described spherical radius is 150mm；Inside is provided with trapezoidal hole 4, and described trapezoidal hole 4 is coaxial with cylinder；End face 6 center of trapezoidal hole and sphere 5 have a distance, and this distance is 2mm；Described trapezoidal hole top 6 diameter of a circle is 45mm, and bottom described trapezoidal hole, 7 diameter of a circles are 47mm.
Fig. 7 (a), Fig. 7 (b) are sectional view and the axonometric drawing of the cylinder cells 10# test block Part I in this utility model one embodiment；Described 10# test block Part I is convex parts, and the top half of described convex is class cuboid, and the latter half is cuboid；The upper surface 5 of described class cuboid is the face of cylinder, and face of cylinder radius is 150mm, and it is projected as square；Being provided with trapezoidal hole 4 inside 10# test block, the center of described trapezoidal hole 4 is the center of described class cuboid；The center of circle of top 6 circle of described trapezoidal hole is 2mm to the distance on the described face of cylinder；Described trapezoidal hole top 6 diameter of a circle is 40mm, and bottom described trapezoidal hole, 7 diameter of a circles are 42mm.
Utilize the 1# test block in the combination of Ultrasonic Nondestructive equipment Inspection test block of the present utility model.Defining the area that total area of detection is the cylindrical upper surface of upper part 5 of 1# test block Part I, the area of top 6 circle of the internal trapezoidal hole of 1# test block orientates defect area as, and the ratio of brazing area that detection obtains is 91%, and non-ratio of brazing area is 9%.The area of described trapezoidal hole top 6 circle is 15 with the area ratio of the cylindrical upper surface of upper part 5 of described 1# test block Part I2/502=0.09, i.e. 9%.
In like manner, the use principle that 2#～7# test block is single is identical with 1# test block.
When combining and be used for multiple times 1#～7# test block, according to the difference between the actually detected rate that calculated theoretical ratio of brazing area and detection obtain, the most linear test of performance test etc. of detection equipment can be completed.
Set of planes 8# test block is can to use as test block when ultrasonic detecting equipment detection inclined-plane workpiece as the test block on demarcation inclined-plane.
Sphere group 9# test block is can to use as test block when ultrasonic detecting equipment detection spherical workpiece as the test block of demarcation sphere.
Sphere group 10# test block is can to use as test block when ultrasonic detecting equipment detection spherical workpiece as the test block on the demarcation face of cylinder.
In another embodiment, can also be only with two plane test blocks, a Spherical Test block, the combination of one cylinder cells test block, plane test block is can to use as test block when ultrasonic detecting equipment detection inclined-plane workpiece as the test block on demarcation inclined-plane.Spherical Test block is can to use as test block when ultrasonic detecting equipment detection spherical workpiece as the test block of demarcation sphere.Spherical Test block is can to use as test block when ultrasonic detecting equipment detection spherical workpiece as the test block on the demarcation face of cylinder.
This utility model can coordinate ultrasound scanning, completes the demarcation of ultrasound probe and detecting system；Detecting system can be used to detect test block of the present utility model, directly obtain corresponding ratio of brazing area, and when can use multiple test block, the performance test of completion system, can be as the test block of the workpiece of the special shapes such as inclined-plane workpiece, spherical workpiece, face of cylinder workpiece. simultaneously.This utility model is simple, be easy to get, the test block of regulation in alternative multiple standards, improves work efficiency, has highly application value.
The types of the concrete size of each test block in above-described embodiment, the number of combination and test block etc. are that this utility model is used for illustrating; it is not used to limit this utility model protection domain; each test block of this utility model can also be other dimensional parameters, combination; the most not affecting essence of the present utility model, this is to be very easy to realize to those skilled in the art.
Although content of the present utility model has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as restriction of the present utility model.After those skilled in the art have read foregoing, multiple amendment of the present utility model and replacement all be will be apparent from.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (10)
1. a Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block, it is characterised in that: described test block is made up of three parts: Part I is convex parts, and Part II is annular seal parts, and Part III is for sealing lid；Described annular seal parts are arranged on described convex feature bottom, and described sealing lid is arranged on described convex component top, and described annular seal parts are between described convex parts, described sealing lid；Described convex parts refer to overall in convex structure, and two parts up and down of convex are all cylinder or cuboid；Described convex components interior is equipped with trapezoidal hole.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 1, it is characterised in that: the described cylinder of convex parts or the bottom of cuboid are provided with toroidal cavity, and are provided with screwed hole；Described annular seal parts are arranged in described toroidal cavity；Described sealing covers and is provided with screwed hole, and the corresponding threaded holes bottom described screwed hole and described convex cylinder or cuboid closes, thus described three parts is fixed as one by screw.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 1, it is characterized in that: described test block, two parts up and down of its convex parts are cylinder, and cylinder upper surface is plane, inside is provided with trapezoidal hole, and this kind of structured testing block is referred to as plane test block.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 3, it is characterised in that: described plane test block is divided into two kinds, during use optionally one or both:
The first: plane test block, there is inside its cylinder a trapezoidal hole, and trapezoidal hole and exterior cylindrical coaxial；Described trapezoidal hole is blind hole, and the cylindrical upper surface of distance from top of described trapezoidal hole has a thickness；The described trapezoidal hole base diameter of described test block is bigger than described trapezoidal hole top diameter；
The second: plane test block, is provided with upper and lower two trapezoidal holes, the i.e. first trapezoidal hole, the second trapezoidal hole inside its cylinder, described second trapezoidal hole is positioned at the lower position of described first trapezoidal hole；The top of described second trapezoidal hole is the bottom of described first trapezoidal hole；The top of described first trapezoidal hole to cylinder upper surface has a thickness, and described first trapezoidal hole base diameter is bigger than described first trapezoidal hole top diameter；The base diameter of described second trapezoidal hole is more than the top diameter of described second trapezoidal hole.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 1, it is characterised in that: described test block, two parts up and down of its convex parts are cylinder, and the cylindrical upper surface of upper part is sphere；This kind of structured testing block is referred to as Spherical Test block.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 5, it is characterised in that: described Spherical Test block, it is provided with a trapezoidal hole inside its cylinder, described trapezoidal hole is coaxial with described cylinder；There is a thickness in the center of circle, top of the internal trapezoidal hole of described test block to described sphere；Described test block trapezoidal hole base diameter is more than described trapezoidal hole top diameter.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 1, it is characterised in that: described test block, the top half of its convex parts is class cuboid, and the latter half is cuboid；The upper surface that described class cuboid refers to cuboid is the face of cylinder, and it is projected as square；This kind of structured testing block is referred to as face of cylinder test block.
Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 7, it is characterised in that: being provided with a trapezoidal hole inside the test block of the described face of cylinder, the center of described trapezoidal hole is the center of described class cuboid；There is a thickness in the center of circle, top of the internal trapezoidal hole of described test block to the described face of cylinder；Described test block trapezoidal hole base diameter is slightly larger than described trapezoidal hole top diameter.
9. the combination of the Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block described in an any one of the claims 1-8, it is characterized in that: the combination of described test block is a set of test block, including multiple test blocks, it is divided into 3 groups by the shape of upper surface: set of planes, sphere group and face of cylinder group；Wherein set of planes is at least 2 plane test blocks, and sphere group is 1 Spherical Test block, and face of cylinder group is 1 face of cylinder test block；During use, test block is used alone wherein any one test block or multiple test block combination in any.
The combination of Low Voltage Electrical Apparatus electrical contact Non-Destructive Testing test block the most according to claim 9, it is characterized in that: described at least 2 plane test blocks, inside the cylinder of at least one of which plane test block, there is a trapezoidal hole, inside the cylinder of at least one plane test block, be provided with about first, second two trapezoidal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620052336.7U CN205581063U (en) | 2016-01-20 | 2016-01-20 | Low voltage apparatus electrical contact ultrasonic wave nondestructive test is with test piece and combination thereof |
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| CN201620052336.7U CN205581063U (en) | 2016-01-20 | 2016-01-20 | Low voltage apparatus electrical contact ultrasonic wave nondestructive test is with test piece and combination thereof |
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| CN205581063U true CN205581063U (en) | 2016-09-14 |
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Cited By (1)
| 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 |
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2016
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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 |
| 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 |
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