CN213091568U - Test block for detecting rubber longitudinal wave angle probe - Google Patents
Test block for detecting rubber longitudinal wave angle probe Download PDFInfo
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- CN213091568U CN213091568U CN202021667164.7U CN202021667164U CN213091568U CN 213091568 U CN213091568 U CN 213091568U CN 202021667164 U CN202021667164 U CN 202021667164U CN 213091568 U CN213091568 U CN 213091568U
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- longitudinal wave
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Abstract
The utility model relates to a test block for rubber longitudinal wave angle probe detection, one end of the test block is provided with a concentric circular arc I and a concentric circular arc II to form a fan-shaped step surface, and the lower side of the test block is tangent to the circular arc II; the other end is respectively provided with an inclined plane which forms a certain included angle with the upper edge and the lower edge to form a triangular block; a plurality of transverse through holes are arranged at a certain distance from the vertical edge of the triangular block. The utility model is suitable for an ultrasonic detection of rubber materials and component has solved the technical problem that ultrasonic detection time measuring probe capability test, detecting system adjusted of rubber materials and component.
Description
Technical Field
The utility model belongs to the detection field, concretely relates to test block that is used for oblique probe detection of rubber longitudinal wave.
Background
Vulcanized rubber components are widely used in various industries or industrial products for sealing, supporting, damping, etc. The vulcanized rubber member is produced through mixing, forming and vulcanizing. Air, inclusions and the like introduced in the kneading process remain in the member, and defects such as pores, inclusions, delamination and the like exist in the member, and these defects lead to accelerated failure of the rubber member during use. The internal defects of the rubber component in a certain thickness range can be detected by adopting an ultrasonic detection method. But lacks a test block suitable for ultrasonic testing of rubber members.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test block that is used for oblique probe detection of rubber longitudinal wave, the technical problem that solve is: the technical problem of lack of adjustment for a probe performance test and detection system is solved.
In order to solve the technical problem, the utility model provides a test block that is used for rubber longitudinal wave oblique probe to detect which characterized in that: one end of the test block is provided with a first arc and a second arc which are concentric to form a fan-shaped step surface, and the lower edge of the test block is tangent to the second arc; the other end is respectively provided with an inclined plane which forms a certain included angle with the upper edge and the lower edge to form a triangular block; a plurality of transverse through holes are arranged at a certain distance from the vertical edge of the triangular block.
Has the advantages that: the utility model is suitable for an ultrasonic detection of rubber materials and component has solved the technical problem that ultrasonic detection time measuring probe capability test, detecting system adjusted of rubber materials and component.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will be made in further detail with respect to the embodiments of the present invention.
The utility model provides a test block for oblique probe detection of rubber longitudinal wave, for the vulcanized rubber test block, wide W1 is 30mm, high H is 50mm, one end has radius R1, R2 to be 25mm and 50mm circular arc 1 and circular arc 2 respectively, forms a sectorial step face for the incident point of test probe, and the thickness W2 of circular arc two is 25 mm; the other end of the vulcanized rubber test block is respectively provided with an inclined plane which forms a certain included angle with the upper edge and the lower edge to form a triangular block, the upper included angle alpha 1 and the lower included angle alpha 2 are respectively 30 degrees and 60 degrees, the distance between the upper included angle alpha 1 and the lower included angle alpha 2 and the vertical edge of the triangular block is 25mm, three phi 3mm transverse through holes 4, 5 and 6 are arranged, the distances between the transverse through holes 4, 5 and 6 and the upper surface are respectively 10mm, 30mm and 45mm, the upper side length L1 and the lower side length L2 of the vulcanized rubber test block are respectively 250mm and 200mm, and the lower edge of the test block is tangent to the second arc.
(1) As shown in fig. 1, the radius R1 of the first arc is 25mm, the radius R2 of the second arc is 50mm, since the incident point 3 of the ultrasonic wave of the probe is located on the upper surface, firstly, near the dot corresponding to the arc on the upper surface, the highest reflected echo of the second arc is found, the distance X from the end of the second arc to the front end of the probe is measured on the upper surface, and the value of X is subtracted from the radius R2, so that the front edge distance of the probe, that is, the incident point of the ultrasonic wave of the probe can be obtained; and (3) placing the probe near an incident point 3 of ultrasonic waves of the probe, finding the highest echo of the first arc and the second arc, and adjusting the detection range and the scanning speed.
(2) The diameters of the transverse through holes 4, 5 and 6 are 3mm, the distances from the upper surface to the upper surface are respectively 10mm, 30mm and 45mm, the horizontal distance L3 from the transverse through holes to the vertical side of the triangular block is 25mm, one transverse through hole is selected, the probes are moved on the upper surface and the lower surface of the test block to enable the main sound beam to be aligned to the transverse through hole, the distances from the probe position to the end parts of the upper surface and the lower surface are measured, and the refraction angle of the probe sound beam can be obtained through calculation.
(3) When the longitudinal wave inclined probe is adopted for detection, the probes are moved on the upper surface and the lower surface of the test block to enable the main sound beam to be aligned to the transverse through holes, the wave heights of the transverse through holes with different depths are tested one by one, and the required distance-wave amplitude curve can be detected.
(4) When the longitudinal wave straight probe is adopted for detection, the probes are moved on the upper surface and the lower surface of the test block and the inclined planes 7 and 8 to enable the main sound beam to be aligned with the transverse through holes, the wave heights of the transverse through holes with different depths are tested one by one, and the required distance-amplitude curve can be detected.
The test block material is vulcanized rubber material.
The test block is molded by die casting.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a test block that is used for oblique probe detection of rubber longitudinal wave which characterized in that: one end of the test block is provided with a first arc and a second arc which are concentric to form a fan-shaped step surface, and the lower edge of the test block is tangent to the second arc; the other end is respectively provided with an inclined plane which forms a certain included angle with the upper edge and the lower edge to form a triangular block; a plurality of transverse through holes are arranged at a certain distance from the vertical edge of the triangular block.
2. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the test block is made of vulcanized rubber.
3. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the test block is molded by die casting.
4. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the radius R1 of the first circular arc is 25mm, and the radius R2 of the second circular arc is 50 mm.
5. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the test piece has a width W1 of 30mm and a height H of 50 mm.
6. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the thickness W2 of arc two is 25 mm.
7. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the included angles alpha 1 and alpha 2 between the other end of the vulcanized rubber test block and the upper and lower edges are respectively 30 degrees and 60 degrees.
8. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: the upper and lower side lengths L1 and L2 of the vulcanized rubber test block are 250mm and 200mm respectively.
9. The test block for rubber longitudinal wave inclination probe detection according to claim 1, characterized in that: three transverse through holes with the diameter of 3mm are arranged at the position 25mm away from the vertical edge of the triangular block.
10. The test block for rubber longitudinal wave inclination probe detection according to claim 9, characterized in that: the distances from the three transverse through holes to the upper surface are respectively 10mm, 30mm and 45 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667164.7U CN213091568U (en) | 2020-08-12 | 2020-08-12 | Test block for detecting rubber longitudinal wave angle probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021667164.7U CN213091568U (en) | 2020-08-12 | 2020-08-12 | Test block for detecting rubber longitudinal wave angle probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213091568U true CN213091568U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021667164.7U Active CN213091568U (en) | 2020-08-12 | 2020-08-12 | Test block for detecting rubber longitudinal wave angle probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213091568U (en) |
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2020
- 2020-08-12 CN CN202021667164.7U patent/CN213091568U/en active Active
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