CN204536285U - A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block - Google Patents
A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block Download PDFInfo
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- CN204536285U CN204536285U CN201520217037.XU CN201520217037U CN204536285U CN 204536285 U CN204536285 U CN 204536285U CN 201520217037 U CN201520217037 U CN 201520217037U CN 204536285 U CN204536285 U CN 204536285U
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Abstract
The utility model provides a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block, described test block comprises the supporter of thickness block and this thickness block of carrying, described supporter comprises counterbore and entity part, described counterbore is divided into the first groove and the second groove, and described thickness block is embedded in the first groove of described counterbore; The lower surface of described entity is provided with two tapped through holes, and the position that described tapped through hole is used for described test block is fixed.The utility model solves the problem that when detection contact touches bridge faying face, detected intensity is on the weak side, has highly application value.
Description
Technical field
The utility model belongs to UT (Ultrasonic Testing) equipment technology field, more particularly, relates to a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block.
Background technology
Ultrasound examination is one of lossless detection method be most widely used at present.Indispensable element when standard testing block is Ultrasonic NDT, it is mainly used in probe, the performance test of detector, the adjustment of sensitivity, and the work of the aspect such as the adjustment of measurement range.
But, there is certain drawback in use in existing calibrated bolck.Such as, carrying out the timing signal of popping one's head in utilizing test block, particularly at the detection field of low-voltage electrical apparatus electric contact, using conventional standard testing block and scaling method, bring some inconvenience to follow-up test.Traditional standard testing block, carrying out probe timing signal, adopting A type display pulse reflection method to detect, usually with the elevation carrection of standard testing block upper surface echo for according to the gain of setting up pulse producer, after gain setting, with this standard, workpiece is detected.But, at Low Voltage Electrical Apparatus, when utilizing Ultrasonic Nondestructive, usual detection be the faying face of the contact probe bridge of electric contact, non-upper surface, so, if still demarcate according to original standard and method, then the test signal intensity obtained can obviously weaken, and affects the judgement of test result.
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 electric contact Ultrasonic Nondestructive test block of design, described test block can solve the deficiency of traditional standard test block, can Fast Calibration probe all kinds of indexs, simultaneously can not affect actual testing result because of the difference of demarcation face and actual detection faces, ensure that the accuracy of test result.
For realizing above-mentioned object, the technical solution adopted in the utility model is,
The utility model provides a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block, comprise the supporter of thickness block and the described thickness block of carrying, described supporter comprises counterbore and entity two parts, wherein: described counterbore comprises the first groove and the second groove, first, second groove described is set in turn in the upper surface of described entity by order from top to bottom; Described thickness block is embedded in the first groove of described counterbore, and described second groove makes to retain a gap between thickness block and entity; The lower surface both ends of described entity are respectively arranged with tapped through hole, and the position that described tapped through hole is used for described test block entirety is fixed.
Preferably, the shape of described thickness block is rectangular parallelepiped or right cylinder, but is not limited to rectangular parallelepiped or right cylinder, needs to ensure that described thickness block has constant uniform thickness.
Preferably, the mating shapes of described first groove and described thickness block.
Preferably, the length of described thickness block or the length of diameter and described first groove or diameter match.
Preferably, the length of described second groove or diameter are than the length of thickness block or the little 4 ~ 8mm of diameter, and shape is identical with the shape of the first groove.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block described in the utility model, ultrasound scanning can be coordinated, complete ultrasonic probe to the demarcation detecting thickness, particularly in the Ultrasonic Nondestructive field of low-voltage electrical apparatus, solve the problem that when detection contact touches bridge faying face, detected intensity is on the weak side, have highly application value.
Accompanying drawing explanation
Fig. 1 is the test block assembly center section plan of the utility model one embodiment;
Fig. 2 is thickness block vertical view and the front view of the utility model one embodiment, and wherein (a) is vertical view, and (b) is front view;
Fig. 3 is thickness block vertical view and the front view of another embodiment of the utility model, and wherein (a) is vertical view, and (b) is front view;
Fig. 4 is the thickness block supporter sectional view of the utility model one embodiment;
In figure: 1 is supporter, 2 is the first retaining thread hole, and 3 is the second groove, and 4 is thickness block, and 5 is the second retaining thread hole, and 6 is the first groove.
Embodiment
Be further described the technical solution of the utility model below, the following description is only the use understanding technical solutions of the utility model, and be not used in and limit scope of the present utility model, protection domain of the present utility model is as the criterion with claims.
As Figure 1-4, a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block, described test block comprises thickness block 4, carries the supporter 1 of this thickness block 4, wherein:
Described supporter 1 comprises counterbore and entity two parts, and described counterbore comprises the first groove 6 and the second groove 3, and first, second groove 6,3 described is set in turn in the upper surface of described entity by order from top to bottom; Described thickness block 4 is embedded in described first groove 6, and described second groove 3 is for support thickness block 4; Described second groove 3, makes the gap leaving more than 5mm between thickness block 4 and supporter 1; The lower surface both ends of described entity are respectively arranged with the first retaining thread hole 2 and the second retaining thread hole 5, and the effect in described first retaining thread hole 2 and the second retaining thread hole 5 is fixed the position of test block entirety.
As a preferred implementation, as described in as shown in (a), (b) in Fig. 2, the shape of thickness block 4 is rectangular parallelepiped, or the shape of thickness block 4 is right cylinder as described in as shown in (a), (b) in Fig. 3, but be not limited to rectangular parallelepiped or right cylinder, need to ensure that thickness block 4 has constant uniform thickness.
Shape, the size of described first groove 6 and described thickness block 4 match.
The length of described second groove 3 or diameter are than the length of thickness block 4 or the little 4 ~ 8mm of diameter, and shape is identical with the shape of the first groove 6.
As a preferred implementation, the length of the length of described thickness block 4 or diameter and described first groove 6 or equal diameters, make thickness block 4 just be arranged in described first groove 6.
The above-mentioned test block of the utility model may be used for low-voltage electrical apparatus electric contact Ultrasonic Nondestructive and demarcates, when specifically using:
Step one: the thickness block 4 of test block is embedded in the first groove 6 of supporter 1, thus it is overall to form test block;
Step 2: test block entirety is bolted be fixed on and measures in tank;
Step 3: utilize Ultrasonic Nondestructive equipment, adopts A type display pulse reflection method, obtains the reflection echo of thickness block 4 lower surface;
Step 4: the gain panel of regulating impulse generator, the reflection echo signal height of thickness block 4 lower surface that step 3 is obtained reaches 80% of full width, and full width is 1V;
Step 5: the gain determining pulse producer, and the standard of carrying out subsequent workpiece detection as ultrasonic probe.
Utilizing the gain of probe now and pulse producer to arrange, can ensureing that probe obtains good signal and image when detecting workpiece.
A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block described in the utility model, ultrasound scanning can be coordinated, complete ultrasonic probe to the demarcation detecting thickness, particularly in the Ultrasonic Nondestructive field of low-voltage electrical apparatus, solve the problem that when detection contact touches bridge faying face, detected intensity is on the weak side, have highly application value.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (4)
1. a low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block, it is characterized in that, comprise the supporter of thickness block and the described thickness block of carrying, described supporter comprises counterbore and entity two parts, wherein: described counterbore comprises the first groove and the second groove, first, second groove described is set in turn in the upper surface of described entity by order from top to bottom; Described thickness block is embedded in the first groove of described counterbore, and described second groove is provided between thickness block and entity and retains a gap; The lower surface both ends of described entity are respectively arranged with tapped through hole, and the position that described tapped through hole is used for described test block entirety is fixed.
2. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block as claimed in claim 1, it is characterized in that, the shape of described thickness block is rectangular parallelepiped or right cylinder, and described thickness block has constant uniform thickness.
3. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block as claimed in claim 1, it is characterized in that, the mating shapes of described first groove and described thickness block, length or the diameter of the length of described thickness block or diameter and described first groove match.
4. a kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block as described in any one of claim 1-3, it is characterized in that, the mating shapes of described second groove and the first groove, the length of the second groove or diameter are than the length of described thickness block or the large 4 ~ 8mm of diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520217037.XU CN204536285U (en) | 2015-04-10 | 2015-04-10 | A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520217037.XU CN204536285U (en) | 2015-04-10 | 2015-04-10 | A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536285U true CN204536285U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520217037.XU Withdrawn - After Issue CN204536285U (en) | 2015-04-10 | 2015-04-10 | A kind of low-voltage electrical apparatus electric contact Ultrasonic Nondestructive test block |
Country Status (1)
| Country | Link |
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| CN (1) | CN204536285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777238A (en) * | 2015-04-10 | 2015-07-15 | 上海和伍新材料科技有限公司 | Test block for low-voltage apparatus electric contact ultrasonic non-destructive test and calibration method thereof |
-
2015
- 2015-04-10 CN CN201520217037.XU patent/CN204536285U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777238A (en) * | 2015-04-10 | 2015-07-15 | 上海和伍新材料科技有限公司 | Test block for low-voltage apparatus electric contact ultrasonic non-destructive test and calibration method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 200240 Shanghai city Minhang District Jianchuan road 953 Lane 322 building Patentee 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 Patentee before: Shanghai Hiwave Advanced Materials Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20170815 |
|
| AV01 | Patent right actively abandoned |