CN209745890U - longitudinal wave probe sound beam spread angle testing device - Google Patents
longitudinal wave probe sound beam spread angle testing device Download PDFInfo
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- CN209745890U CN209745890U CN201920232394.1U CN201920232394U CN209745890U CN 209745890 U CN209745890 U CN 209745890U CN 201920232394 U CN201920232394 U CN 201920232394U CN 209745890 U CN209745890 U CN 209745890U
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Abstract
The utility model discloses a longitudinal wave probe sound beam spread angle's testing arrangement, include: an ultrasonic flaw detector; the device comprises a base body test block, a semi-sphere test block and a longitudinal wave probe, wherein the semi-sphere test block is rotatably embedded on the base body test block and is used for installing the longitudinal wave probe to be tested; and the angle gauge is used for indicating the angle of the longitudinal wave probe. Therefore, adopt the utility model discloses well longitudinal wave probe sound beam spread angle's testing arrangement just can work alone, and only probe of the longitudinal wave probe that awaits measuring can not receive the influence of other probes to simplify the measurement procedure of longitudinal wave probe.
Description
Technical Field
The utility model relates to a longitudinal wave probe survey technical field, more specifically say, relate to a longitudinal wave probe sound beam spread angle's testing arrangement.
background
In the detection of the ultrasonic diffraction time difference method, the-12 dB sound beam diffusion angle of a longitudinal wave probe needs to be measured so as to avoid the detection omission caused by the fact that the sound beam cannot completely cover the workpiece. At present, the commonly used method for measuring the spread angle of the sound beam is carried out by adopting two probes of an ultrasonic diffraction time difference method, the instrument is set to be in a state of transmitting and receiving, and the measurement is carried out by utilizing an R100 circular arc of a CSK test block.
Therefore, how to simplify the measurement procedure of the longitudinal wave probe becomes a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem that the measurement procedure of simplifying the longitudinal wave probe, for this reason, the utility model provides a testing arrangement of longitudinal wave probe sound beam spread angle.
in order to achieve the above object, the utility model provides a following technical scheme:
A longitudinal wave probe sound beam spread angle testing device comprises:
An ultrasonic flaw detector;
The device comprises a base body test block, a semi-sphere test block and a longitudinal wave probe, wherein the semi-sphere test block is rotatably embedded on the base body test block and is used for installing the longitudinal wave probe to be tested; and
And the angle gauge is used for indicating the angle of the longitudinal wave probe.
In one embodiment of the present invention, the substrate testing block is made of carbon steel.
In one embodiment of the present invention, the longitudinal wave probe to be measured is disposed at the center of the hemisphere testing block.
in one embodiment of the present invention, a coupling agent is disposed between the hemisphere testing block and the substrate testing block.
According to the above technical scheme, use the utility model discloses a during testing arrangement of longitudinal wave probe acoustic beam spread angle, step 1: assembling and connecting a longitudinal wave probe to be detected with an angle instrument; step 2: connecting a longitudinal wave probe to be detected with an ultrasonic flaw detector through a probe line, wherein the flaw detector is set to be in a self-transmitting and self-receiving state; and step 3: placing a longitudinal wave probe to be detected on a hemisphere test block, applying a coupling agent, enabling ultrasonic waves to pass through the hemisphere test block through the longitudinal wave probe to be detected to reach a matrix test block, keeping an angle meter at zero degree, enabling the incident angle of a main sound beam of the longitudinal wave probe to be detected and a matrix cuboid test block to be 90 degrees, and adjusting the height of an ultrasonic echo at the position to be 80 percent of a full screen; and 4, step 4: rotating the hemisphere test block in one direction until the echo height of the ultrasonic wave is reduced to 1/4 of the echo height in the step 3, and recording the angle alpha 1 of the angle instrument at the moment; and 5: reversely rotating the hemisphere test block until the ultrasonic echo height is reduced to 1/4 of the echo height in the step 3, and recording the angle alpha 2 of the angle instrument at the moment, wherein the angle alpha 1 and the angle alpha 2 are the set of half diffusion angles; each group of half diffusion angles alpha 3 and alpha 4 of other directions can be measured sequentially through the steps; α 5 and α 6. Therefore, adopt the utility model discloses well longitudinal wave probe sound beam spread angle's testing arrangement just can work alone, and only probe of the longitudinal wave probe that awaits measuring can not receive the influence of other probes to simplify the measurement procedure of longitudinal wave probe.
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view structural diagram of a device for testing a spread angle of a longitudinal wave probe acoustic beam provided in an embodiment of the present invention;
Fig. 2 is a schematic top view of a device for testing a spread angle of a longitudinal wave probe acoustic beam according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a longitudinal wave probe apparatus for testing a spread angle of an acoustic beam provided by an embodiment of the present invention when the apparatus is turned to a first direction;
Fig. 4 is a schematic structural view of the longitudinal wave probe acoustic beam spread angle testing device of the embodiment of the present invention, which rotates in the opposite direction, for measuring the liquid level;
In the figure, 1. a substrate test block; 2. a hemisphere test block; 3. a longitudinal wave probe to be detected; 4. an angle gauge; 5. and a probe line.
Detailed Description
the core of the utility model lies in providing a longitudinal wave probe sound beam spread angle's testing arrangement, simplifies the measurement procedure of longitudinal wave probe.
the embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 4, an apparatus for testing a divergence angle of a sound beam of a longitudinal wave probe according to an embodiment of the present invention includes:
An ultrasonic flaw detector;
The device comprises a substrate testing block 1, wherein a hemispheroid testing block 2 is rotatably embedded on the substrate testing block 1, and the hemispheroid testing block 2 is used for installing a longitudinal wave probe 3 to be tested; and
And the angle instrument 4 is used for indicating the angle of the longitudinal wave probe.
Assembling and connecting the longitudinal wave probe 3 to be detected with an angle instrument 4; connecting a longitudinal wave probe 3 to be detected with an ultrasonic flaw detector through a probe line 5, wherein the flaw detector is set to be in a self-transmitting and self-receiving state; placing a longitudinal wave probe 3 to be detected on a hemispheroid test block 2, applying a coupling agent, enabling ultrasonic waves to pass through the hemispheroid test block 2 through the longitudinal wave probe 3 to be detected to reach a base body test block 1, keeping an angle meter 4 at zero degree, enabling the incident angle of a main sound beam of the longitudinal wave probe 3 to be detected and the base body cuboid test block to be 90 degrees, and adjusting the height of an ultrasonic echo at the position to be 80 percent of a full screen; rotating the hemisphere testing block 2 towards the first direction until the echo height of the ultrasonic wave is reduced to 1/4, and recording the angle alpha 1 of the angle instrument 4 at the moment; reversely rotating the hemisphere testing block 2 until the ultrasonic echo height is reduced to 1/4 of the echo height in the step 3, and recording the angle alpha 2 of the angle instrument 4 at the moment, wherein the alpha 1 and the alpha 2 are the set of half diffusion angles;
rotating the hemisphere testing block 2 in the second direction until the echo height of the ultrasonic wave is reduced to 1/4 of the echo height in the step 3, and recording the angle alpha 3 of the angle instrument 4 at the moment; reversely rotating the hemisphere testing block 2 until the ultrasonic echo height is reduced to 1/4 of the echo height, and recording the angle alpha 4 of the angle instrument 4 at the moment, wherein the angles alpha 3 and alpha 4 are the other half diffusion angle;
rotating the hemispheroid testing block 2 in the third direction until the ultrasonic echo height is reduced to 1/4 of the echo height in the step 3, and recording the angle alpha 5 of the angle instrument 4 at the moment; and reversely rotating the hemisphere testing block 2 until the ultrasonic echo height is reduced to 1/4 of the echo height, and recording angles alpha 6, alpha 5 and alpha 6 of the angle meter 4 at the moment, wherein the angles are the final half diffusion angles. Therefore, adopt the utility model discloses well longitudinal wave probe sound beam spread angle's testing arrangement just can work alone, and only 3 probes of longitudinal wave probe that await measuring can not receive the influence of other probes to simplify the measurement procedure of longitudinal wave probe.
The embodiment of the utility model provides an in base member test piece 1 form by carbon steel processing.
In order to ensure the measurement precision, the longitudinal wave probe 3 to be measured is arranged at the center of the hemispheroid test block 2.
in order to reduce friction, a coupling agent is arranged between the hemispheroid testing block 2 and the base body testing block 1.
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A longitudinal wave probe sound beam spread angle testing device is characterized by comprising:
An ultrasonic flaw detector;
the device comprises a base body test block, a semi-sphere test block and a longitudinal wave probe, wherein the semi-sphere test block is rotatably embedded on the base body test block and is used for installing the longitudinal wave probe to be tested; and
And the angle gauge is used for indicating the angle of the longitudinal wave probe.
2. The device for testing the angle of divergence of a sound beam of a longitudinal wave probe according to claim 1, wherein the base test block is machined from carbon steel.
3. the device for testing the sound beam spread angle of the longitudinal wave probe according to claim 1, wherein the longitudinal wave probe to be tested is arranged at the center of the hemisphere testing block.
4. The device for testing the sound beam spread angle of a longitudinal wave probe according to claim 1, wherein a coupling agent is provided between the hemisphere test block and the base test block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232394.1U CN209745890U (en) | 2019-02-22 | 2019-02-22 | longitudinal wave probe sound beam spread angle testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920232394.1U CN209745890U (en) | 2019-02-22 | 2019-02-22 | longitudinal wave probe sound beam spread angle testing device |
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| CN209745890U true CN209745890U (en) | 2019-12-06 |
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| CN201920232394.1U Active CN209745890U (en) | 2019-02-22 | 2019-02-22 | longitudinal wave probe sound beam spread angle testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632969A (en) * | 2019-02-22 | 2019-04-16 | 国电锅炉压力容器检验有限公司 | A kind of test device and test method of longitudinal wave probe acoustic beam angle of flare |
-
2019
- 2019-02-22 CN CN201920232394.1U patent/CN209745890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632969A (en) * | 2019-02-22 | 2019-04-16 | 国电锅炉压力容器检验有限公司 | A kind of test device and test method of longitudinal wave probe acoustic beam angle of flare |
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Address after: No. 2096, Beijing New Energy Technology Research Institute Patentee after: Guoneng boiler and Pressure Vessel Inspection Co.,Ltd. Address before: No. 2096, Beijing New Energy Technology Research Institute Patentee before: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION Co.,Ltd. |