CN213363627U - Test block cross bore dipperstick for ultrasonic testing - Google Patents
Test block cross bore dipperstick for ultrasonic testing Download PDFInfo
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- CN213363627U CN213363627U CN202022690580.5U CN202022690580U CN213363627U CN 213363627 U CN213363627 U CN 213363627U CN 202022690580 U CN202022690580 U CN 202022690580U CN 213363627 U CN213363627 U CN 213363627U
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Abstract
The utility model discloses a test block cross bore dipperstick for ultrasonic testing, including the main scale of standard cross bore dipperstick for ultrasonic testing, the auxiliary scale of standard cross bore dipperstick for the detection etc, the main scale of standard cross bore dipperstick for ultrasonic testing and the auxiliary scale parallel arrangement of standard cross bore dipperstick for the detection, and can be relative along axial displacement, the one end of the scanning face location chi on the auxiliary scale is articulated with the one end of the auxiliary scale of standard cross bore dipperstick for the detection, the other end of the scanning face location chi on the auxiliary scale is the free end, the scanning face location chi cross arrangement on the length measuring chi on the scanning face location chi and the auxiliary scale, and the scanning face location chi homoenergetic on the scanning face location chi on the length measuring chi and the auxiliary scale can be along the axial relative movement of other side, the one end vertical fixation of the reference column on the main scale is at the main scale of standard cross bore dipperstick for ultrasonic testing. The utility model discloses can be used for accurate measurement test block cross bore centre of a circle and scanning face height, probe forward position/incident point and cross bore centre of a circle horizontal distance or outer arc length.
Description
Technical Field
The utility model relates to a test block cross bore dipperstick for ultrasonic testing for the accurate test block cross bore centre of a circle and scanning face height of measuring, probe forward position/incident point and cross bore centre of a circle horizontal distance or outer arc are long.
Background
The performance indexes (probe deflection angle, deviation, incidence point, sound beam angle and the like; test block size precision and the like) of the ultrasonic probe and the test block directly influence the A-type pulse reflection ultrasonic sound beam directivity and the effectiveness of defect positioning and quantification. Standards have more stringent control requirements for probe performance indicators, such as: when the central frequency of a single crystal inclined probe is less than 2MHz in NB/T47013.3-2015, the deviation of an actually measured sound beam angle and a nominal value is less than or equal to 3 degrees when the central frequency is more than or equal to 2MHz, the deviation of the actually measured sound beam angle and the nominal value is less than or equal to 2 degrees when the central frequency is more than or equal to 2MHz, and the measurement of the sound beam angle is obtained by the measurement of a standard reflector (a transverse hole, an arc surface, a flat bottom hole and a notch) of a calibration test block through instrument calculation, so the size error of the standard reflector of the test block has great influence on the performance index of the probe.
In the ultrasonic detection process of the welded joint of the pressure-bearing equipment, parameters such as the depth, the incident point and the like of a standard transverse hole reflector of a test block are mostly measured by adopting a steel plate ruler/vernier caliper, and when parameters such as the transverse hole depth, the horizontal offset and the like of non-planar test blocks such as GS, RB-C, RB-L and the like are measured, the positioning claw of the vernier caliper is basically linear, and the measuring point cannot be accurately positioned; (2) the size radius of the transverse hole is small, and the distance between the center of the transverse hole and the surface of the test block cannot be directly measured; (3) the depth of the RB-L transverse hole and the horizontal deviation value cannot be measured and verified; in addition, NB/T47013.3-2015 requires that the error of the shape and the size of the test block is less than or equal to +/-0.05 mm, and after the test block is polished, if a steel plate ruler/vernier caliper is still adopted in the process of checking the corrosion and the mechanical damage of the surface of the test block, the error of the measurement result is larger. Therefore, aiming at the characteristics of the A-type pulse reflection ultrasonic detection standard transverse hole reflector, the measuring tool with higher operability is adopted, so that the test block measuring accuracy can be improved, the operating processes of probe performance index verification, DAC \ TCG manufacturing, test block annual check and the like are standardized, and the measuring result is convenient for implementing the standard requirement.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem, make things convenient for witnessed inspections work, standardize ultrasonic testing standard cross bore and measure the working process, the utility model provides a test block cross bore dipperstick for ultrasonic testing.
The utility model discloses a following technical scheme realizes:
a test block cross hole measuring scale for ultrasonic detection comprises a main scale of a standard cross hole measuring scale for ultrasonic detection, an auxiliary scale of the standard cross hole measuring scale for detection, a scanning surface positioning scale on the auxiliary scale, a length measuring scale on the scanning surface positioning scale, a cross hole limiting column and a positioning column on the main scale; the scale is arranged on a main scale of the standard transverse hole measuring scale for ultrasonic detection and an auxiliary scale of the standard transverse hole measuring scale for detection, the main scale of the standard transverse hole measuring scale for ultrasonic detection and the auxiliary scale of the standard transverse hole measuring scale for ultrasonic detection are arranged in parallel and can move along the axial direction relatively, one end of a scanning surface positioning scale on the auxiliary scale is hinged with one end of the auxiliary scale of the standard transverse hole measuring scale for detection, the other end of the scanning surface positioning scale on the auxiliary scale is a free end, a length measuring scale on the scanning surface positioning scale and the scanning surface positioning scale on the auxiliary scale are arranged in a cross mode, the length measuring scale on the scanning surface positioning scale and the scanning surface positioning scale on the auxiliary scale can move relatively along the axial direction of the other side, and one end of a positioning column on the main scale is vertically fixed on the main scale of the standard transverse hole measuring scale for ultrasonic detection.
The utility model discloses further improvement lies in, and the reference column on the spacing post of cross bore and the main scale passes through bolted connection, and the cross bore of cross bore test block is inserted to the other end of the spacing post of cross bore, reaches the purpose at fixed centre of a circle zero point.
The utility model discloses further improvement lies in, according to the cross bore diameter of cross bore test block, chooses for use the spacing post of cross bore of different external diameter size.
The utility model discloses a further improvement lies in, and the scale zero point of the main scale of standard cross bore dipperstick is located the centre of a circle of the reference column on the main scale for ultrasonic testing.
The utility model discloses further improvement lies in, and the slip recess on the main scale flank of tooth of main scale that the auxiliary scale of standard cross bore dipperstick for the detection passes through standard cross bore dipperstick for the ultrasonic testing assembles with the main scale.
The utility model discloses further improvement lies in, and the scanning face positioning rule on the auxiliary ruler has the settlement width, when the non-plane scanning face/circular arc scanning face was measured, plays and scans the tangent purpose of face, fixed measuring point with sweeping.
The utility model discloses further improvement lies in, is equipped with the slide between scanning face location chi on the auxiliary scale and the length measuring chi of scanning on the face location chi, carries on spacingly and adjusts the blade through scanning face location chi and the spacing post of length measuring chi.
The utility model discloses further improvement lies in, has the scale on scanning the survey length chi on the face location chi, and the scale zero point is located flank of tooth leftmost end, scans the spacing post of face location chi and survey length chi through the regulation, measures probe forward position/incident point and cross bore centre of a circle distance.
The utility model discloses further improvement lies in, sweeps survey length chi on the face location chi and can change for having flexible ruler as required for measure convex sweep the outer arc length between the probe forward position/incident point and the cross bore centre of a circle of looking into the face.
The utility model discloses at least, following profitable technological effect has:
the utility model provides a pair of test block cross bore dipperstick for ultrasonic testing can select the spacing post of cross bore according to the cross bore in different apertures, through reference column threaded connection on the spacing post of cross bore and the main scale, adjusts the height of scanning face positioning chi, thereby scans the tangent survey point of confirming of face through scanning face positioning chi flank of tooth and non-planar test block, cooperation main scale and auxiliary scale, reference slide caliper reading method realize direct, the accurate measurement of reading cross bore centre of a circle and scanning face height.
Specifically, cross holes with different apertures can be selected according to needs to select the diameter of the cross hole limiting column, and the scale collocation of the main scale and the auxiliary scale is reasonably planned according to measurement requirements.
Furthermore, the measurement of the front edge/incident point of the probe and the center of the cross hole can be realized by adjusting the limiting column between the scanning surface positioning ruler and the length measuring ruler. In addition, the outer arc length between the front edge/incident point of the arc test block probe and the center of the cross hole can be measured by replacing the flexible length measuring ruler, and the outer arc length is compared with instrument display data for verification.
Drawings
FIG. 1 is a front view of a standard cross-hole measuring ruler for ultrasonic testing;
FIG. 2 is a top view of a standard cross-hole measuring ruler for ultrasonic testing;
fig. 3 is a left side view of a standard cross-hole measuring ruler for ultrasonic testing.
Description of reference numerals:
1 is a main scale of a standard transverse hole measuring scale for ultrasonic detection; 2, an auxiliary ruler of the standard cross hole measuring ruler for ultrasonic detection; 3 is a scanning surface positioning ruler on the auxiliary ruler; 4, a length measuring ruler on the scanning surface positioning ruler; 5, a limit column of the scanning surface positioning ruler and the length measuring ruler; 6 is a transverse hole limiting column; 7 is a positioning column on the main ruler; 8 is a transverse through hole test block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper", "lower", "left" and "right" used are generally described with reference to the direction in fig. 1;
in the utility model, the information of the size, the scale and the like of the main ruler, the auxiliary ruler and the length measuring ruler is not fixed, and the reasonable planning can be carried out by referring to the working requirement during the use;
as shown in fig. 1, the utility model provides a pair of test block cross bore dipperstick for ultrasonic testing, including main scale 1 of standard cross bore dipperstick for ultrasonic testing, auxiliary scale 2 of standard cross bore dipperstick for detection, scanning face positioning rule 3 on the auxiliary scale, scanning face positioning rule on 4, scanning face positioning rule and the spacing post 5 of length measuring rule, the reference column 7 on the spacing post 6 of cross bore and the main scale.
As shown in fig. 1, the main scale 1 of the standard cross hole measuring scale for ultrasonic testing and the auxiliary scale 2 of the standard cross hole measuring scale for testing are both located at the centers of circles of the positioning 7 columns on the cross hole limiting column 6 and the main scale, when the cross hole height of the cross through hole test block 8 is read, the auxiliary scale 2 of the standard cross hole measuring scale for testing can be located in the tooth surface groove of the main scale 1 of the standard cross hole measuring scale for ultrasonic testing and slide, the main scale 1 of the standard cross hole measuring scale for ultrasonic testing and the auxiliary scale 2 of the standard cross hole measuring scale for testing are used in a matching way, the vernier caliper is used for the reading method, and the scale scales can be arranged according to the requirement by using the vernier caliper for the measuring precision.
As shown in figure 2, when measuring non-planar test blocks such as RB-L, RB-C, GS and the like, according to the diameter of a transverse hole of a transverse through hole test block 8, a positioning column on a main ruler 7 is connected with a transverse hole limiting column 6 through threads, the transverse hole limiting column 6 is inserted into the transverse hole of the transverse through hole test block 8, a scanning surface positioning ruler 3 on an auxiliary ruler is adjusted to enable a ruler surface to be tangent with a scanning surface, a measuring point of the non-planar scanning surface can be found, and therefore the circle center and the height of the scanning surface are read according to the method.
As shown in fig. 2, when the distance between the transverse hole and the front edge/incidence point of the probe needs to be measured, since the zero point of the length measuring scale 4 on the scanning surface positioning scale is located at the leftmost side of the scale surface, the left end of the length measuring scale 4 on the scanning surface positioning scale is flush with the front edge of the probe by adjusting the limiting columns 5 of the scanning surface positioning scale and the length measuring scale, and the horizontal distance between the front edge/incidence point of the probe and the center of the transverse hole can be read through the scales on the scale surface.
As shown in fig. 2, when the scanning surface is not horizontal (such as an RB-L test block), the length measuring ruler 4 on the scanning surface positioning ruler can be replaced by a ruler with certain flexibility according to the requirement, and the outer arc length between the front edge/incident point of the probe and the center of the cross hole can be read through the scale on the tooth surface, so that the display reading of the instrument can be verified.
Claims (9)
1. A test block cross hole measuring scale for ultrasonic detection is characterized by comprising a main scale (1) of a standard cross hole measuring scale for ultrasonic detection, an auxiliary scale (2) of the standard cross hole measuring scale for ultrasonic detection, a scanning surface positioning scale (3) on the auxiliary scale, a length measuring scale (4) on the scanning surface positioning scale, a cross hole limiting column (6) and a positioning column (7) on the main scale; wherein the content of the first and second substances,
the main scale (1) of the standard cross hole measuring scale for ultrasonic detection and the auxiliary scale (2) of the standard cross hole measuring scale for detection are both provided with scales, the main scale (1) of the standard cross hole measuring scale for ultrasonic detection and the auxiliary scale (2) of the standard cross hole measuring scale for detection are arranged in parallel, and can move relatively along the axial direction, one end of a scanning surface positioning ruler (3) on the auxiliary ruler is hinged with one end of the auxiliary ruler (2) of the standard cross hole measuring ruler for detection, the other end of the scanning surface positioning ruler (3) on the auxiliary ruler is a free end, a length measuring ruler (4) on the scanning surface positioning ruler is crosswise arranged with the scanning surface positioning ruler (3) on the auxiliary ruler, and the length measuring ruler (4) on the scanning surface positioning ruler and the scanning surface positioning ruler (3) on the auxiliary ruler can relatively move along the axial direction of the other side, and one end of the positioning column (7) on the main ruler is vertically fixed on the main ruler (1) of the standard cross hole measuring ruler for ultrasonic detection.
2. The test block cross hole measuring scale for ultrasonic testing according to claim 1, wherein the cross hole limiting column (6) is connected with the positioning column (7) on the main scale through a bolt, and the other end of the cross hole limiting column (6) is inserted into the cross hole of the cross through hole test block (8) to achieve the purpose of fixing the zero point of the circle center.
3. The test block cross-hole measuring scale for ultrasonic testing according to claim 2, characterized in that cross-hole limiting columns (6) with different outer diameter sizes are selected according to the cross-hole diameter of the cross-through-hole test block (8).
4. The test block cross hole measuring scale for ultrasonic testing as claimed in claim 1, wherein the scale zero point of the main scale (1) of the standard cross hole measuring scale for ultrasonic testing is located at the center of the positioning column (7) on the main scale.
5. The ultrasonic test specimen transverse bore measuring scale according to claim 1, wherein the auxiliary scale (2) of the standard transverse bore measuring scale for test is assembled with the main scale through a slide groove on the tooth surface of the main scale (1) of the standard transverse bore measuring scale for ultrasonic test.
6. The ultrasonic testing test block cross hole measuring scale according to claim 1, characterized in that the scanning surface positioning rule (3) on the auxiliary rule has a set width, and when the non-planar scanning surface/circular arc scanning surface is used for measurement, the scanning surface positioning rule is tangent to the scanning surface to fix the measuring point.
7. The test block cross hole measuring scale for ultrasonic testing according to claim 1, wherein a slide way is arranged between the scanning surface positioning rule (3) on the auxiliary rule and the length measuring rule (4) on the scanning surface positioning rule, and the limit column (5) of the scanning surface positioning rule and the length measuring rule is used for limiting and adjusting the rule body.
8. The ultrasonic testing test block cross hole measuring scale according to claim 7, wherein the length measuring ruler (4) on the scanning surface positioning ruler is provided with scales, the zero point of the scales is located at the leftmost end of the tooth surface, and the distance between the front edge/incident point of the probe and the center of the cross hole is measured by adjusting the limiting columns (5) of the scanning surface positioning ruler and the length measuring ruler.
9. The test block cross hole measuring scale for ultrasonic testing as claimed in claim 1, wherein the length measuring ruler (4) on the scanning surface positioning ruler can be replaced by a flexible ruler as required for measuring the outer arc length between the front edge/incident point of the probe of the circular arc scanning surface and the center of the cross hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022690580.5U CN213363627U (en) | 2020-11-19 | 2020-11-19 | Test block cross bore dipperstick for ultrasonic testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022690580.5U CN213363627U (en) | 2020-11-19 | 2020-11-19 | Test block cross bore dipperstick for ultrasonic testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213363627U true CN213363627U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022690580.5U Active CN213363627U (en) | 2020-11-19 | 2020-11-19 | Test block cross bore dipperstick for ultrasonic testing |
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| Country | Link |
|---|---|
| CN (1) | CN213363627U (en) |
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- 2020-11-19 CN CN202022690580.5U patent/CN213363627U/en active Active
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