CN211741168U - Bolt inner hole detection probe - Google Patents
Bolt inner hole detection probe Download PDFInfo
- Publication number
- CN211741168U CN211741168U CN201922425653.5U CN201922425653U CN211741168U CN 211741168 U CN211741168 U CN 211741168U CN 201922425653 U CN201922425653 U CN 201922425653U CN 211741168 U CN211741168 U CN 211741168U
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- connecting block
- ultrasonic
- hole
- lower connecting
- bolt hole
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Abstract
The utility model belongs to the technical field of nuclear power maintenance, concretely relates to bolt hole test probe and ultrasonic detection device. Bolt hole test probe includes: the ultrasonic welding device comprises an outer frame, a lower connecting block, an upper connecting block, an ultrasonic component and a plurality of connecting rods; in the embodiment of the disclosure, the lower connecting block detachable that inlays the supersound part is connected in the frame to can be when the supersound part goes wrong, only change the supersound part, need not to change whole test probe, the maintenance cost has been reduced, in addition, the bolt hole test probe of the embodiment of the disclosure is when probing into the bolt hole, interval between lower connecting block and the last connecting block can be according to the change of bolt hole internal diameter size, so that the not unidimensional bolt hole of adaptation that the bolt hole test probe can be nimble.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power maintenance, concretely relates to bolt hole test probe.
Background
The bolt with the inner hole is widely applied to nuclear power, petrochemical industry and other industries as a connecting piece, the bolt works in special severe environments such as high temperature and high pressure, impact, vibration, corrosion and the like for a long time, cracks, corrosion, screw rod or thread abrasion or mechanical damage are easy to form, and the bolt is one of important stress-vulnerable components in main equipment, so that the bolt with the inner hole needs to be subjected to full-volume ultrasonic inspection regularly. In the related art, the ultrasonic part needs to be fixed on the shell of the probe in a gluing mode and the like, and the probe is used for detecting the inner hole of the bolt.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the bolt inner hole detection probe is provided.
According to an aspect of the embodiments of the present disclosure, there is provided a bolt bore detection probe, including: the ultrasonic welding device comprises an outer frame, a lower connecting block, an upper connecting block, an ultrasonic component and a plurality of connecting rods;
the ultrasonic part is embedded in the upper surface of the upper connecting block and is used for transmitting detection ultrasonic waves;
the upper connecting block and the lower connecting block are arranged in the outer frame, and a spring is connected between the lower surface of the upper connecting block and the upper surface of the lower connecting block;
the side surfaces of the lower connecting block and the upper connecting block radially penetrate through at least one connecting rod respectively, and the connecting rods can be detached from the lower connecting block or the upper connecting block;
a plurality of first through holes are formed in one side of the outer frame, a plurality of second through holes are formed in the other side, opposite to one side of the outer frame, and each first through hole is opposite to one second through hole;
one end of each connecting rod is inserted into a first through hole, the other end of each connecting rod is inserted into a second through hole opposite to the first through hole, and each connecting rod can move up and down in the inserted first through hole and second through hole;
when the upper connecting block and the lower connecting block are extruded in opposite directions, the upper connecting block and the lower connecting block can be close to each other.
In one possible implementation, the bolt bore inspection probe further includes: the quick-connection plug, the connecting cable and the ultrasonic generator are connected;
the ultrasonic part is connected with the quick-connection plug through a cable embedded in the lower connecting block, the quick-connection plug is connected with the ultrasonic generator through a connecting cable, and the ultrasonic part transmits ultrasonic waves under the control of the ultrasonic generator.
In one possible implementation, the bolt inner hole detection probe further comprises a wedge block;
the ultrasonic part is embedded in the wedge, and the wedge is embedded in the upper surface of the lower connecting block.
In a possible implementation, the connecting rod is connected with the lower connecting block through threads.
In a possible implementation manner, the connecting rod is connected with the upper connecting block through threads.
The beneficial effects of the utility model reside in that: in the embodiment of the disclosure, the lower connecting block detachable that inlays the supersound part is connected in the frame to can be when the supersound part goes wrong, only change the supersound part, need not to change whole test probe, the maintenance cost has been reduced, in addition, the bolt hole test probe of the embodiment of the disclosure is when probing into the bolt hole, interval between lower connecting block and the last connecting block can be according to the change of bolt hole internal diameter size, so that the not unidimensional bolt hole of adaptation that the bolt hole test probe can be nimble.
Drawings
FIG. 1 is a side view of a bolt bore inspection probe shown in accordance with an exemplary embodiment.
FIG. 2 is a top view of a bolt bore inspection probe shown in accordance with an exemplary embodiment.
FIG. 3 is a schematic diagram illustrating the connection of a lower connection block and an upper connection block in a bolt bore inspection probe according to an exemplary embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a side view of a bolt bore inspection probe shown in accordance with an exemplary embodiment. FIG. 2 is a top view of a bolt bore inspection probe shown in accordance with an exemplary embodiment. FIG. 3 is a schematic diagram illustrating the connection of a lower connection block and an upper connection block in a bolt bore inspection probe according to an exemplary embodiment. As shown in fig. 1 to 3, the bolt inner hole inspection probe includes: frame 1, upper connecting block 3, lower connecting block 2, supersound part 6, a plurality of connecting rod 4.
In the embodiment of the present disclosure, the ultrasonic component may be, for example, an element such as a piezoelectric ceramic wafer capable of emitting an ultrasonic wave when excited by an electrical signal, and the ultrasonic generator may be connected to the ultrasonic component and may send the electrical signal to the ultrasonic component to cause the ultrasonic component to radiate the ultrasonic wave. The embodiments of the present disclosure do not limit the types of the ultrasonic part and the ultrasonic generator. The upper connecting block and the lower connecting block can be, for example, a cuboid or an irregular polygon similar to a cuboid, and the shape of the upper connecting block and the lower connecting block is not limited in the embodiment of the disclosure.
The ultrasonic member 6 may be embedded in the upper surface of the upper connecting block 3, for example, a groove may be provided on the upper surface of the upper connecting block 3, and the ultrasonic member 6 may be disposed in the groove, for example, by means of adhesion; for another example, a groove may be formed in the upper surface of the upper connection block 3, the ultrasonic member 6 may be embedded in the upper surface of the wedge 5, and the wedge 5 may be disposed in the groove in the upper surface of the upper connection block 3. In a possible implementation mode, the ultrasonic part can be slightly lower than the upper surface of the upper connecting block, so that the ultrasonic part can be effectively prevented from being collided and abraded in detection, and the ultrasonic part can be effectively protected.
The upper connecting block 3 and the lower connecting block 2 may be disposed in the outer frame 1, as shown in fig. 3, a spring 8 may be connected between a lower surface of the upper connecting block 3 and an upper surface of the lower connecting block 2, and in one possible implementation, a plurality of springs may be connected between the upper connecting block 3 and the lower connecting block 2.
The side surfaces of the lower connecting block 2 and the upper connecting block 3 respectively penetrate through at least one connecting rod 4; for example, the connecting rod 4 may be a threaded rod, a plurality of threaded holes radially penetrating the upper connecting block 3 may be formed in a side surface of the upper connecting block 3 (e.g., a position near both ends of the upper connecting block 3), each connecting rod 4 may be screwed into one threaded hole, a plurality of threaded holes radially penetrating the upper connecting block 3 may also be formed in a side surface of the lower connecting block 2 (e.g., a position near both ends of the lower connecting block 2), and each connecting rod 4 may be screwed into one threaded hole. For another example, the connecting rod 4 may be penetratingly connected to the through holes at the side surfaces of the upper connecting block 3 and the lower connecting block 2 in a clearance fit manner.
One side of the outer frame 1 is provided with a plurality of first through holes, the other side of the outer frame 1, which is opposite to one side of the outer frame 1, is provided with a plurality of second through holes, and each first through hole is opposite to one second through hole; one end of each connecting rod 4 is inserted into a first through hole, the other end of each connecting rod 4 is inserted into a second through hole opposite to the first through hole, and each connecting rod 4 can move up and down in the inserted first through hole and second through hole; under the condition that the upper connecting block 3 and the lower connecting block 2 are not extruded, two ends of a connecting rod 4 penetrating through the upper connecting block 3 can be respectively pressed against the upper ends of the inserted first through hole and the inserted second through hole, and two ends of the connecting rod 4 penetrating through the lower connecting block 2 can be respectively pressed against the lower ends of the inserted first through hole and the inserted second through hole; when the upper connecting block 3 and the lower connecting block 2 are extruded in opposite directions, the upper connecting block 3 and the lower connecting block 2 can be close to each other. Like this, when the bolt hole test probe probes into the bolt hole, and under the bolt hole formed the extruded condition to last connecting block 3 and connecting block 2 down, go up connecting block 3 and connecting block 2 down and can draw close together to adapt to the size of bolt hole, make the smooth entering bolt hole of bolt hole test probe detect.
In the embodiment of the disclosure, the lower connecting block detachable that inlays the supersound part is connected in the frame to can be when the supersound part goes wrong, only change the supersound part, need not to change whole test probe, the maintenance cost has been reduced, in addition, the bolt hole test probe of the embodiment of the disclosure is when probing into the bolt hole, interval between lower connecting block and the last connecting block can be according to the change of bolt hole internal diameter size, so that the not unidimensional bolt hole of adaptation that the bolt hole test probe can be nimble.
In one possible implementation, the bolt bore detection probe may further include: a quick-connect plug 10, a connecting cable 9, an ultrasonic generator (not shown in the figure);
the ultrasonic part can be connected with a quick-connection plug 10 through a cable embedded in the lower connecting block 2, the quick-connection plug 10 is connected with an ultrasonic generator through a connecting cable 9, and the ultrasonic part emits ultrasonic waves under the control of the ultrasonic generator.
In a possible implementation manner, two end portions of the upper surface of the upper connecting block 3 may have inclined surfaces, and an end portion of the lower surface of the lower connecting block 2 may also have inclined surfaces, so that the bolt inner hole detection probe can be more easily inserted into the bolt inner hole.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (5)
1. The utility model provides a bolt hole test probe which characterized in that, bolt hole test probe includes: the ultrasonic welding device comprises an outer frame, a lower connecting block, an upper connecting block, an ultrasonic component and a plurality of connecting rods;
the ultrasonic part is embedded in the upper surface of the upper connecting block and is used for transmitting detection ultrasonic waves;
the upper connecting block and the lower connecting block are arranged in the outer frame, and a spring is connected between the lower surface of the upper connecting block and the upper surface of the lower connecting block;
the side surfaces of the lower connecting block and the upper connecting block radially penetrate through at least one connecting rod respectively, and the connecting rods can be detached from the lower connecting block or the upper connecting block;
a plurality of first through holes are formed in one side of the outer frame, a plurality of second through holes are formed in the other side, opposite to one side of the outer frame, and each first through hole is opposite to one second through hole;
one end of each connecting rod is inserted into a first through hole, the other end of each connecting rod is inserted into a second through hole opposite to the first through hole, and each connecting rod can move up and down in the inserted first through hole and second through hole;
when the upper connecting block and the lower connecting block are extruded in opposite directions, the upper connecting block and the lower connecting block can be close to each other.
2. The bolt bore inspection probe of claim 1, further comprising: the quick-connection plug, the connecting cable and the ultrasonic generator are connected;
the ultrasonic part is connected with the quick-connection plug through a cable embedded in the lower connecting block, the quick-connection plug is connected with the ultrasonic generator through a connecting cable, and the ultrasonic part transmits ultrasonic waves under the control of the ultrasonic generator.
3. The bolt bore inspection probe of claim 1, further comprising a wedge;
the ultrasonic part is embedded in the wedge, and the wedge is embedded in the upper surface of the lower connecting block.
4. The bolt bore inspection probe of claim 1, wherein the connecting rod is threadably connected to the lower connecting block.
5. The bolt bore inspection probe of claim 1, wherein the connecting rod is threadably connected to the upper connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425653.5U CN211741168U (en) | 2019-12-30 | 2019-12-30 | Bolt inner hole detection probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425653.5U CN211741168U (en) | 2019-12-30 | 2019-12-30 | Bolt inner hole detection probe |
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| Publication Number | Publication Date |
|---|---|
| CN211741168U true CN211741168U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922425653.5U Active CN211741168U (en) | 2019-12-30 | 2019-12-30 | Bolt inner hole detection probe |
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| CN (1) | CN211741168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710734A (en) * | 2020-12-09 | 2021-04-27 | 东莞理工学院 | Bolt damage ultrasonic detection method and system based on GOLD codes |
-
2019
- 2019-12-30 CN CN201922425653.5U patent/CN211741168U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710734A (en) * | 2020-12-09 | 2021-04-27 | 东莞理工学院 | Bolt damage ultrasonic detection method and system based on GOLD codes |
| CN112710734B (en) * | 2020-12-09 | 2022-10-25 | 东莞理工学院 | Bolt damage ultrasonic detection method and system based on GOLD codes |
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