CN212780653U - Combined test block for probe wheel calibration and static test - Google Patents
Combined test block for probe wheel calibration and static test Download PDFInfo
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- CN212780653U CN212780653U CN202021545778.8U CN202021545778U CN212780653U CN 212780653 U CN212780653 U CN 212780653U CN 202021545778 U CN202021545778 U CN 202021545778U CN 212780653 U CN212780653 U CN 212780653U
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Abstract
The utility model relates to a combination test block for visiting wheel calibration and static test, its characterized in that: the test device comprises a calibration test block, a damage test block and a comprehensive test block which are integrally formed; the upper surfaces of the calibration test block, the damage test block and the comprehensive test block are positioned on the same horizontal plane; the comprehensive test block is arranged at the forefront, and the calibration test block and the damage test block are sequentially arranged at the rear of the comprehensive test block, or the damage test block and the calibration test block are sequentially arranged at the rear of the comprehensive test block. The combined test block for the probe wheel calibration and the static test is suitable for the calibration of the probe wheel before the static index test and the test of multiple static indexes, and the accuracy and the test efficiency of the probe wheel static index test are improved.
Description
Technical Field
The utility model relates to an ultrasonic flaw detection technical field especially relates to a combination test block for visiting wheel calibration and static test.
Background
The static indexes of the probe wheel comprise various numerical values such as central frequency, sensitivity allowance, sound beam width, refraction angle, resolution, distance amplitude curve, signal-to-noise ratio, wheel skin attenuation and the like. According to the existing standard and test block, three standard test blocks, namely CSK-1A test block, WGT-3 test block and GTS-60 test block, are needed for testing the indexes. The CSK-1A test block is used for testing the center frequency and the resolution of the probe wheel, the WGT-3 test block is used for testing the sensitivity allowance, the sound beam width, the refraction angle, the distance wave amplitude curve and the like of the probe wheel, and the GTS-60 test block is used for testing the signal-to-noise ratio (comprehensive performance index) of the probe wheel.
In order to improve the flaw detection efficiency and accuracy of the probe wheel, nine single probes are arranged in the probe wheel and comprise a 0-degree straight probe, two 37-degree inclined probes and six 70-degree inclined probes, wherein the 0-degree straight probe is arranged in the middle, the two 37-degree inclined probes are symmetrically arranged on the front side and the rear side of the 0-degree straight probe, and the six 70-degree inclined probes are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the 0-degree straight probe, and the front side of the front 37-degree inclined probe and the rear side of the rear 37-degree inclined probe. Due to the symmetry of the probe inside the probe wheel, in order to obtain more accurate test data of the static indexes of the nine channels of the probe wheel, the three test blocks and the probe wheel need to be overturned and adjusted for many times, the cost and the operation difficulty of the whole test process are obviously improved, and the test efficiency is very low. On the other hand, after the test block is replaced or turned over every time, the levelness of the probe wheel is not consistent between two adjacent tests, so that the consistency of the whole test process is caused, and the accuracy of the whole test result is reduced.
Disclosure of Invention
The utility model aims to solve the problem that a combination test block for visiting wheel calibration and static test is provided, this kind of combination test block is applicable to the test of visiting wheel calibration and multinomial static index before the static index test, improves efficiency of software testing, accuracy and the uniformity of visiting the static index test of wheel. The technical scheme is as follows:
a combination test block for probe wheel calibration and static testing, characterized in that: the test device comprises a calibration test block, a damage test block and a comprehensive test block which are integrally formed; the upper surfaces of the calibration test block, the damage test block and the comprehensive test block are positioned on the same horizontal plane; the comprehensive test block is arranged at the forefront, and the calibration test block and the damage test block are sequentially arranged at the rear of the comprehensive test block, or the damage test block and the calibration test block are sequentially arranged at the rear of the comprehensive test block.
The probe wheel is provided with nine single probes, and comprises a 0-degree straight probe, two 37-degree oblique probes and six 70-degree oblique probes, wherein the 0-degree straight probe is arranged in the middle, the two 37-degree oblique probes are symmetrically arranged on the front side and the rear side of the 0-degree straight probe, and the six 70-degree oblique probes are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the 0-degree straight probe, and the front side of the front 37-degree oblique probe and the rear side of the rear 37-degree oblique probe.
The calibration test block is used for calibrating the horizontal height of the probe wheel, and the accuracy of the test of the static indexes of the probe wheel is improved. When carrying out the calibration of spy wheel level, will visit the wheel support through adjustable and arrange the intermediate position of test block in, visit wheel connection instrument, according to the actual echo condition of nine probes to the calibration test block, when carrying out the calibration of spy wheel level in real time, will visit the wheel support through adjustable and arrange the intermediate position of test block in, visit wheel connection instrument, according to the actual echo condition of nine probes to the calibration test block, adjust in real time and visit the wheel for the level of combination test block, relative position, gradient etc..
In order to guarantee the effective contact area of the probe wheel, the utility model discloses an optimal scheme is regarded as, the width more than or equal to 50mm of combination test block.
As a further preferred scheme of the present invention, the calibration block is 280mm long and 110mm high; the calibration test block is provided with two first transverse through holes and two second transverse through holes along the front and back directions, the two first transverse through holes are respectively positioned at the front side and the back side of the two second transverse through holes, and the two first transverse through holes and the two second transverse through holes are respectively symmetrical in the front and back directions along the central axis plane of the calibration test block; the diameters of the first transverse through hole and the second transverse through hole are both 3mm, the depth of the first transverse through hole is 40mm, the depth of the second transverse through hole is 80mm, the distance between the two first transverse through holes is 239.8mm, and the distance between the two second transverse through holes is 161.7 mm.
The depth in the specification refers to the vertical distance from the circle center of each transverse through hole to the upper surface of the combined test block.
The positions of the two first transverse through holes and the two second transverse through holes are kept symmetrical, the two first transverse through holes are used for detecting echoes of a 70-degree probe (comprising 4 inclined 70-degree probes), the two second transverse through holes are used for detecting echoes of a 37-degree probe, and a 0-degree straight probe directly detects bottom surface echoes.
As a further preferred scheme of the utility model, the damage test block is provided with a plurality of artificial damage traces and a plurality of threaded transverse through holes, the artificial damage traces are arranged on the upper surface of the damage test block and extend to two sides of the rail head, and the plurality of threaded transverse through holes are sequentially arranged on the rail web along the front-back direction; the edge of the orifice of the threaded transverse through hole is provided with at least one screw hole crack extending along the surface of the rail web of the damage test block; a first flat bottom hole is arranged in the area of the artificial damage trace, and the axis of the first flat bottom hole faces to the middle of the damage test block and inclines downwards by 26 degrees; and two ends of the rail web of the damage test block are respectively provided with a second flat bottom hole, the axis of the second flat bottom hole faces to the middle part of the damage test block and inclines upwards by 20 degrees, and the upper end of the second flat bottom hole is 50mm away from the upper surface of the damage test block.
When flaw detection is carried out, the sound beam scanning range of a 0-degree straight probe is from a rail head to a rail bottom, and all horizontal cracks can be detected; the acoustic beam scanning range of the 37-degree inclined probe is the lower jaw, the rail waist and the rail bottom of the rail head, and the damage of the rail bottom and the thread transverse through hole can be detected; the sound beam scanning range of the 70-degree oblique probes is a rail head of a steel rail, wherein two 70-degree oblique probes positioned on the front side and the rear side of the rail head are incident along the steel rail to mainly detect the middle area of the rail head, and four 70-degree oblique probes on the left front side, the right front side, the left rear side and the right rear side are used for respectively detecting the two sides and the lower jaw of the rail head.
For the damage test block, each manual damage trace, each first flat bottom hole and two second flat bottom holes are symmetrically arranged, and each static index of the detection wheel can be quickly and effectively tested only by moving the detection wheel back and forth along the damage test block. The first flat bottom hole is used for testing the signal-to-noise ratios of four 70-degree oblique probes on the left front side, the right front side, the left rear side and the right rear side, and the second flat bottom hole is used for testing the signal-to-noise ratios of two 70-degree oblique probes on the front side and the rear side.
As a further preferable aspect of the present invention, the screw hole cracks include at least one of: a horizontal crack of length 5 mm; the first inclined crack inclines at 37 degrees to the horizontal plane, has the length of 3mm and extends upwards or downwards; and the second inclined crack is inclined at 25 degrees from the horizontal plane, has the length of 3mm and extends upwards or downwards. The horizontal crack is used for detecting a 0-degree straight probe, the first inclined crack is used for detecting a 37-degree inclined probe, and the second inclined crack further perfects the signal-to-noise ratio detection of the 37-degree probe on the basis of the existing first inclined crack.
In order to further improve the detectability of visiting the wheel after the calibration leveling, perfect comprehensive properties evaluation of visiting the wheel, as the utility model discloses still further preferred scheme, the rail end of impairment test block also is equipped with artifical injury vestige, is equipped with the horizontal grooving of rail jaw R4H2 on the artifical injury vestige of the rail end of impairment test block.
As a further preferred aspect of the present invention, the comprehensive test block is provided with a plurality of third transverse through holes, a fourth transverse through hole, a fifth transverse through hole and an arc-shaped front end surface; the third transverse through holes are sequentially arranged along the same vertical line from top to bottom; the fourth transverse through holes are arranged in front of the plurality of third transverse through holes, and the depth of the fourth transverse through holes is 80 mm; the fifth transverse through hole is arranged in front of the fourth transverse through hole, the depth of the fifth transverse through hole is 55mm, one end part of the fifth transverse through hole is provided with a coaxial circumferential surface, and the radius of the circumferential surface is larger than that of the fifth transverse through hole; the bottom of synthesizing the test block still is equipped with the downward bar groove of opening, and the groove width in bar groove is 2mm, the groove depth 6mm, and the last border of preceding terminal surface is connected with the preceding edge of the upper surface in synthesis test block, and the lower border of preceding terminal surface is connected with the preceding edge of the notch in bar groove, and the radius of preceding terminal surface is 100 mm.
The third transverse through holes are sequentially arranged from top to bottom along the same vertical line and are used for testing the refraction angle, the sensitivity allowance and the sound beam width of each probe of 37 degrees and 70 degrees. The fourth transverse through hole is used for testing the sound beam width of the 0-degree straight probe. The bore surface of the fifth transverse through bore and the coaxial circumferential surface at one end of the fifth transverse through bore are used to simultaneously test the resolution of the 37 probe and the 70 probe. The front face was used to test the center frequency of the 37 probe and the 70 probe.
The strip-shaped groove is used for testing the reflection surface emission waves of a probe of 0 degree to the horizontal plane where the groove bottom of the strip-shaped groove is located and the horizontal plane where the front edge of the notch of the strip-shaped groove is located. In addition, the bottom surface of the composite test block was used to test the center frequency of a 0 ° straight probe.
As a further preferable scheme of the utility model, the length of the comprehensive test block is 555mm, and the height of the comprehensive test block is 110 mm; the diameters of the third transverse through holes and the fourth transverse through holes are both 3mm, the number of the third transverse through holes is four, and the depths of the four third transverse through holes are respectively 15mm, 35mm, 65mm and 85mm from top to bottom; the radius of the fifth transverse through hole is 22mm, and the radius of the circumferential surface is 25 mm. Wherein, the third transverse through holes with the depths of 15mm and 35mm are used for testing the refraction angle of the 70-degree probe, and the third transverse through holes with the depths of 65mm and 85mm are used for testing the refraction angle of the 37-degree probe; in addition, the third transverse through hole having a depth of 65mm was also used to test the margins of sensitivity and the beam width of the 37 ° probe and the 70 ° probe.
As a still further preferred embodiment of the present invention, the fourth transverse through hole is located at 135mm in front of the vertical line where the third transverse through hole is located.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses a combination test block for visiting wheel calibration and static test includes the calibration test block, the damage test block and comprehensive test block, because the calibration test block, the damage test block, the upper surface of comprehensive test block is in same horizontal plane, visit the wheel and can enough carry out the calibration work of level before carrying out the static index test, visit the wheel again and can directly upwards move to the damage test block and comprehensive test block at same front and back place and carry out corresponding static index test after the calibration is accomplished, repeated calibration work need not carry out again, long when the operation of reducing repeated calibration, improve the efficiency of the test of visiting wheel static index, avoid the error that calibration and produce many times simultaneously, improve accuracy and the uniformity of visiting the test of wheel static index greatly.
Drawings
FIG. 1 is a top view of a calibration block according to a first preferred embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of a damaged test block according to a first preferred embodiment of the present invention;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 4;
FIG. 6 is a top view of a composite test block according to a first preferred embodiment of the present invention;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a plan view of a damaged test block according to a second preferred embodiment of the present invention;
FIG. 9 is a front view of FIG. 8;
fig. 10 is a cross-sectional view taken along line B-B of fig. 9.
Detailed Description
The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings.
Example one
A combined test block for probe wheel calibration and static test comprises a calibration test block 1, a damage test block 2 and a comprehensive test block 3 which are integrally formed, wherein the comprehensive test block 3 is arranged at the forefront, and the calibration test block 1 and the damage test block 2 are sequentially arranged at the rear of the comprehensive test block 3; the upper surfaces of the calibration test block 1, the damage test block 2 and the comprehensive test block 3 are positioned on the same horizontal plane, and the width of the upper surface of the whole combined test block is 60 mm.
As shown in fig. 1 and 2, the calibration block 1 is 280mm long and 110mm high; the calibration test block 1 is provided with two first transverse through holes 11 and two second transverse through holes 12 along the front and back directions, the two first transverse through holes 11 are respectively positioned at the front side and the back side of the two second transverse through holes 12, and the two first transverse through holes 11 and the two second transverse through holes 12 are respectively symmetrical in the front and back directions along the central axis plane of the calibration test block 1; the diameter of first horizontal through-hole 11 and second horizontal through-hole 12 is 3mm, and the degree of depth of first horizontal through-hole 11 is 40mm, and the degree of depth of second horizontal through-hole 12 is 80mm, and two first horizontal through-holes 11 are 239.8mm apart, and two second horizontal through-holes 12 are 161.7mm apart.
As shown in FIGS. 3 to 5, the lesion test block 2 is 600mm long and 176mm high; the damage test block 2 is provided with a plurality of artificial damage traces 21 and three threaded transverse through holes 22, 23 and 24; the plurality of artificial damage traces 21 are respectively arranged on the upper surface of the damage test block 2, extend to two sides of the rail head and are arranged at the rail bottom of the damage test block 2; four first flat bottom holes 251, 252, 253 and 254 are arranged in the area of the artificial damage trace 21 on the upper surface of the damage test block 2, the axes of the four first flat bottom holes face to the middle part of the damage test block 2 and incline downwards by 26 degrees, and the diameter of each first flat bottom hole is 4mm and the length of each first flat bottom hole is 20 mm; wherein, the orifices of the first flat bottom holes 251, 252 are away from the rear end 116mm of the damage test block 2, the orifices of the first flat bottom holes 253, 254 are away from the front end 116mm of the damage test block 2, the orifices of the first flat bottom holes 251, 253 are away from the left side of the rail head of the damage test block 2 by 12mm, and the orifices of the first flat bottom holes 252, 254 are away from the right side of the rail head of the damage test block 2 by 12 mm; a rail jaw R4H2 transverse notch 211 is arranged in the area of the artificial damage trace 21 at the rail bottom of the damage test block 2; two ends of the rail waist of the damage test block 2 are respectively provided with second flat bottom holes 261 and 262, the axes of the two second flat bottom holes face to the middle part of the damage test block 2 and incline upwards by 20 degrees, the upper end of each second flat bottom hole is 50mm away from the upper surface of the damage test block 2, the upper end of each second flat bottom hole 261 is 70mm away from the rear end of the rail waist of the damage test block 2, and the upper end of each second flat bottom hole 262 is 70mm away from the front end of the rail waist of the damage test block 2; the threaded transverse through holes 22, 23 and 24 are sequentially arranged on the rail web of the damage test block 2 from back to front, the depth of each threaded transverse through hole is 97mm, and the diameter of each threaded transverse through hole is 31 mm; a second inclined crack 221 is arranged at the edge of the hole opening of the threaded transverse through hole 22, the second inclined crack 221 is inclined at an angle of 25 degrees with the horizontal plane, has a length of 3mm, and extends upwards towards the rear end of the damage test block 2 along the rail web surface of the damage test block 2; two first inclined cracks 231 and 232 are arranged at the edge of the hole opening of the threaded transverse through hole 23, the two first inclined cracks 231 and 232 are inclined at an angle of 37 degrees with the horizontal plane and have a length of 3mm, the first inclined crack 231 extends upwards towards the rear end of the damage test block 2 along the rail web surface of the damage test block 2, and the first inclined crack 232 extends upwards towards the front end of the damage test block 2 along the rail web surface of the damage test block 2; the drill way border of screw thread horizontal through-hole 24 is equipped with a horizontal crack 241 and a second inclined crack 242, and horizontal crack 241 length 5mm just extends towards the rear end level of impairment test piece 2 along the rail web surface of impairment test piece 2, and second inclined crack 242 is 25 slopes, length for 3mm and upwards extends towards the front end of impairment test piece 2 along the rail web surface of impairment test piece 2 with the horizontal plane.
As shown in fig. 6 to 7, the test block 3 had a length of 555mm and a height of 110 mm; the comprehensive test block 3 is provided with four third transverse through holes 31, 32, 33 and 34, a fourth transverse through hole 35, a fifth transverse through hole 36 and an arc-shaped front end surface 37; the diameters of the third transverse through holes 31, 32, 33 and 34 and the fourth transverse through holes 35 are all 3mm, the third transverse through holes 31, 32, 33 and 34 are sequentially arranged from top to bottom along the same vertical line, the depths of the four third transverse through holes 31, 32, 33 and 34 are respectively 15mm, 35mm, 65mm and 85mm from top to bottom, the fourth transverse through holes 35 are positioned 135mm in front of the vertical line where each third transverse through hole is positioned, and the depth of the fourth transverse through holes 35 is 80 mm; the fifth transverse through hole 36 is positioned 130mm in front of the vertical line where the fourth transverse through hole 35 is positioned, the depth of the fifth transverse through hole 36 is 55mm, and the radius of the fifth transverse through hole 36 is 22 mm; one end of each fifth transverse through hole 36 is provided with a coaxial circumferential surface 361, and the radius of the circumferential surface 361 is 25 mm; the bottom of the comprehensive test block 3 is also provided with a strip-shaped groove 38 with a downward opening, the groove width of the strip-shaped groove 38 is 2mm, the groove depth is 6mm, the upper edge of the front end face 37 is connected with the front edge of the upper surface of the comprehensive test block 3, the lower edge of the front end face 37 is connected with the front edge of the notch of the strip-shaped groove 38, and the radius of the front end face 37 is 100 mm.
Example two
In some dynamic index test operations of the probe wheel, in order to adjust the probe wheel to a proper state and set the gain and zero positions of each channel, the damage test block 2 in the first embodiment can be adjusted for calibration before the rail ultrasonic flaw detector is used, and meanwhile, the weight of the test block is greatly reduced. Therefore, in the present embodiment, in the case that other parts are the same as those in the first embodiment, the difference is that: as shown in fig. 8 to 10, the damage test block 2 is 340mm long, and a plurality of artificial damage tracks 21 are only arranged on the upper surface of the damage test block 2 and extend to two sides of the rail head; two thread transverse through holes 22 ' and 23 ' are sequentially arranged on the rail web of the damage test block 2 from back to front, the thread transverse through holes 22 ' and 23 ' are symmetrical from front to back along the middle shaft surface of the damage test block 2, the distance between the thread transverse through holes 22 ' and 23 ' is 150mm, the depth of each thread transverse through hole 22 ' and the diameter of each thread transverse through hole 23 ' are both 97mm, and the diameter of each thread transverse through hole 22 ' and the diameter of each thread transverse through hole are both 31; the edge of the hole opening of the threaded transverse through hole 22 ' is provided with a first inclined crack 221 ' and two second inclined cracks 222 ' and 223 ', the first inclined crack 221 ' is inclined at 37 degrees from the horizontal plane, has a length of 3mm and extends upwards towards the rear end of the damage test block 2 along the rail waist surface of the damage test block 2, the second inclined crack 222 ' is inclined at 25 degrees from the horizontal plane, has a length of 3mm and extends upwards towards the front end of the damage test block 2 along the rail waist surface of the damage test block 2, and the second inclined crack 223 ' is inclined at 25 degrees from the horizontal plane, has a length of 3mm and extends downwards towards the front end of the damage test block 2 along the rail waist surface of the damage test block 2; the drill way border of screw thread horizontal through-hole 23 ' is equipped with a horizontal crack 231 ' and a first inclined crack 232 ', and horizontal crack 231 ' is long 5mm and extends towards the rear end level of impairment test block 2 along the rail web surface of impairment test block 2, and first inclined crack 232 ' is 37 slopes, length with the horizontal plane, and upwards extends towards the front end of impairment test block 2 along the rail web surface of impairment test block 2.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A combination test block for probe wheel calibration and static testing, characterized in that: the test device comprises a calibration test block, a damage test block and a comprehensive test block which are integrally formed; the upper surfaces of the calibration test block, the damage test block and the comprehensive test block are positioned on the same horizontal plane; the comprehensive test block is arranged at the forefront, and the calibration test block and the damage test block are sequentially arranged at the rear of the comprehensive test block, or the damage test block and the calibration test block are sequentially arranged at the rear of the comprehensive test block.
2. The modular block of claim 1 wherein: the width of the combined test block is more than or equal to 50 mm.
3. The modular block of claim 1 or 2, wherein: the length of the calibration test block is 280mm, and the height of the calibration test block is 110 mm; the calibration test block is provided with two first transverse through holes and two second transverse through holes along the front and back directions, the two first transverse through holes are respectively positioned at the front side and the back side of the two second transverse through holes, and the two first transverse through holes and the two second transverse through holes are respectively symmetrical in the front and back directions along the central axis plane of the calibration test block; the diameters of the first transverse through hole and the second transverse through hole are both 3mm, the depth of the first transverse through hole is 40mm, the depth of the second transverse through hole is 80mm, the distance between the two first transverse through holes is 239.8mm, and the distance between the two second transverse through holes is 161.7 mm.
4. The modular block of claim 1 or 2, wherein: the rail head is characterized in that the damage test block is provided with a plurality of artificial damage traces and a plurality of threaded transverse through holes, the artificial damage traces are arranged on the upper surface of the damage test block and extend to two sides of the rail head, and the threaded transverse through holes are sequentially arranged on the rail web along the front-back direction; the edge of the orifice of the threaded transverse through hole is provided with at least one screw hole crack extending along the surface of the rail web of the damage test block; a first flat bottom hole is arranged in the area of the artificial damage trace, and the axis of the first flat bottom hole faces to the middle of the damage test block and inclines downwards by 26 degrees; and two ends of the rail web of the damage test block are respectively provided with a second flat bottom hole, the axis of the second flat bottom hole faces to the middle part of the damage test block and inclines upwards by 20 degrees, and the upper end of the second flat bottom hole is 50mm away from the upper surface of the damage test block.
5. The modular block of claim 4 wherein: the screw hole crack includes at least one of: a horizontal crack of length 5 mm; the first inclined crack inclines at 37 degrees to the horizontal plane, has the length of 3mm and extends upwards or downwards; and the second inclined crack is inclined at 25 degrees from the horizontal plane, has the length of 3mm and extends upwards or downwards.
6. The modular block of claim 5 wherein: and the rail bottom of the damage test block is also provided with an artificial damage trace, and the artificial damage trace of the rail bottom of the damage test block is provided with a rail jaw R4H2 transverse notch.
7. The modular block of claim 1 or 2, wherein: the comprehensive test block is provided with a plurality of third transverse through holes, a fourth transverse through hole, a fifth transverse through hole and an arc-shaped front end surface; the third transverse through holes are sequentially arranged along the same vertical line from top to bottom; the fourth transverse through holes are arranged in front of the plurality of third transverse through holes, and the depth of the fourth transverse through holes is 80 mm; the fifth transverse through hole is arranged in front of the fourth transverse through hole, the depth of the fifth transverse through hole is 55mm, one end part of the fifth transverse through hole is provided with a coaxial circumferential surface, and the radius of the circumferential surface is larger than that of the fifth transverse through hole; the bottom of synthesizing the test block still is equipped with the downward bar groove of opening, and the groove width in bar groove is 2mm, the groove depth 6mm, and the last border of preceding terminal surface is connected with the preceding edge of the upper surface in synthesis test block, and the lower border of preceding terminal surface is connected with the preceding edge of the notch in bar groove, and the radius of preceding terminal surface is 100 mm.
8. The modular block of claim 7 wherein: the length of the comprehensive test block is 555mm, and the height of the comprehensive test block is 110 mm; the diameters of the third transverse through holes and the fourth transverse through holes are both 3mm, the number of the third transverse through holes is four, and the depths of the four third transverse through holes are respectively 15mm, 35mm, 65mm and 85mm from top to bottom; the radius of the fifth transverse through hole is 22mm, and the radius of the circumferential surface is 25 mm.
9. The modular block of claim 8 wherein: the fourth transverse through hole is located 135mm in front of the vertical line where the third transverse through hole is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545778.8U CN212780653U (en) | 2020-07-30 | 2020-07-30 | Combined test block for probe wheel calibration and static test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545778.8U CN212780653U (en) | 2020-07-30 | 2020-07-30 | Combined test block for probe wheel calibration and static test |
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| CN212780653U true CN212780653U (en) | 2021-03-23 |
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| CN202021545778.8U Active CN212780653U (en) | 2020-07-30 | 2020-07-30 | Combined test block for probe wheel calibration and static test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763583A (en) * | 2021-04-07 | 2021-05-07 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
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2020
- 2020-07-30 CN CN202021545778.8U patent/CN212780653U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763583A (en) * | 2021-04-07 | 2021-05-07 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
| CN112763583B (en) * | 2021-04-07 | 2021-08-03 | 成都飞机工业（集团）有限责任公司 | Calibration block for ultrasonic phased array sector scanning and manufacturing and using methods |
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