CN218917475U - Full-sealing fixing device for ultrasonic probe - Google Patents
Full-sealing fixing device for ultrasonic probe Download PDFInfo
- Publication number
- CN218917475U CN218917475U CN202320031684.6U CN202320031684U CN218917475U CN 218917475 U CN218917475 U CN 218917475U CN 202320031684 U CN202320031684 U CN 202320031684U CN 218917475 U CN218917475 U CN 218917475U
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- ultrasonic probe
- annular magnet
- spring
- cylindrical shell
- transformer
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Abstract
The utility model discloses a full-sealed fixing device for an ultrasonic probe, which is characterized in that an annular magnet is fixedly connected with the front end of a cylinder shell, the annular magnet is coaxial with the cylinder shell, the rear end of the cylinder shell is connected with an end cover by threads, the front end of the annular magnet is fixedly connected with an annular rubber sealing ring, a spring is positioned in the cylinder shell, one end of the spring can prop against the rear end of the ultrasonic probe, the other end of the spring can prop against the end part of the end cover, the annular magnet is used for being adsorbed on a part to be tested of a transformer by magnetic force, the annular rubber sealing ring is positioned between the annular magnet and the part to be tested of the transformer, and the spring is used for pressing the ultrasonic probe positioned at the inner ring of the annular magnet on the part to be tested of the transformer by elastic force. The utility model has simple installation and certain waterproof and dustproof capabilities.
Description
Technical Field
The utility model relates to the technical field of transformer detection, in particular to a full-sealing fixing device of an ultrasonic probe.
Background
Transformers are one of the important devices in the power grid, and whether they can work normally directly affects the stability of the operation of the power supply system. The existing operation and maintenance of the transformer are divided into two types, namely power failure overhaul and an on-line monitoring method in the operation process. The power failure overhaul can affect the power supply, and the overhaul can be performed only when the transformer has obvious faults or the operation life is longer. The on-line monitoring method does not influence the normal operation of the transformer, and is a simple and reasonable operation and maintenance method. Ultrasonic detection of sound waves inside a transformer is an online monitoring method, and the internal condition of the transformer can be judged by analyzing sound wave characteristics. The existing ultrasonic probe fixing device is connected through bolts, so that the implementation is complex and difficult; the fixing device is opened in a large area, so that the tightness and the waterproofness are poor.
Disclosure of Invention
The utility model aims to provide a full-sealing fixing device for an ultrasonic probe, which is simple and convenient to install and has certain waterproof and dustproof capabilities.
The utility model provides a full-sealed fixing device for an ultrasonic probe, which comprises an annular magnet, a cylindrical shell, a spring and an end cover, wherein the annular magnet is fixedly connected with the front end of the cylindrical shell, the annular magnet is coaxial with the cylindrical shell, the rear end of the cylindrical shell is in threaded connection with the end cover, the front end of the annular magnet is fixedly connected with an annular rubber sealing ring, the spring is positioned in the cylindrical shell, one end of the spring can prop against the rear end of the ultrasonic probe, the other end of the spring can prop against the end of the end cover, the annular magnet is used for being adsorbed on a part to be tested of a transformer through magnetic force, the annular rubber sealing ring is positioned between the annular magnet and the part to be tested of the transformer, and the spring is used for pressing the ultrasonic probe positioned at the inner ring of the annular magnet on the part to be tested of the transformer through elastic force.
The utility model has the beneficial effects that:
the ultrasonic probe fixing device provided by the utility model can tightly prop the probe against the surface of the transformer, and has a good waterproof and dustproof effect. Because the spring is used, the ultrasonic probe can adapt to ultrasonic probes with different lengths, and has better adaptability to different ultrasonic probes. When in actual use, the ultrasonic probe is placed in the hole of the device, the spring is placed, the end cover is screwed up, the device is sucked on the surface of the transformer, and the use and the disassembly are very convenient.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of the installation state of the present utility model;
the device comprises a 1-annular rubber sealing ring, a 2-ultrasonic probe, a 3-annular magnet, a 4-cylindrical shell, a 5-wire, a 6-spring, a 7-end cover, an 8-groove, a 9-gap area and a 10-transformer.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and specific examples:
the full-sealed fixing device of the ultrasonic probe as shown in fig. 1-3 comprises an annular magnet 3, a cylindrical shell 4, a spring 6 and an end cover 7, wherein the annular magnet 3 is fixedly connected with the front end of the cylindrical shell 4, the annular magnet 3 is coaxial with the cylindrical shell 4, the rear end of the cylindrical shell 4 is in threaded connection with the end cover 7, the front end of the annular magnet 3 is fixedly connected with an annular rubber sealing ring 1, the spring 6 is positioned in the cylindrical shell 4, one end of the spring 6 can prop against the rear end of the ultrasonic probe 2, the other end of the spring 6 can prop against the end of the end cover 7, a handle is arranged on the end cover 7, the annular magnet 3 is used for being adsorbed on a part to be detected of a transformer 10 through magnetic force, the annular rubber sealing ring 1 is positioned between the annular magnet 3 and the part to be detected of the transformer 10, and the spring 6 is used for pressing the ultrasonic probe 2 positioned on the part to be detected of the transformer 10 through elasticity, the ultrasonic probe 2 with long axial length is positioned on the annular magnet 3 and an inner ring of the cylindrical shell 4, the ultrasonic probe 2 with short axial length is positioned on the inner ring of the annular magnet 3. In use, the ring magnet 3 will be attracted to the surface of the ferrous transformer. Therefore, the annular rubber sealing ring can be tightly attached to the surface of the iron transformer to play a role in sealing.
In the above technical solution, the rear end side surface of the cylindrical housing 4 is provided with the groove 8, and the wire 5 of the ultrasonic probe 2 is led out from the groove 8. The cylinder housing 4 is a plastic cylinder, and the slot 8 is a rectangular narrow slot from which the wire 5 of the ultrasonic probe 2 is led out. The grooves 8 are open in a direction towards the ground. Under the action of gravity, rainwater and dust hardly enter the device, and waterproof and dustproof effects to a certain extent can be achieved.
In the above technical scheme, the front end of the ring magnet 3 is bonded with the ring rubber sealing ring 1 through glue. The ring magnet 3 is bonded with the front end of the cylinder housing 4 by glue.
In the above technical solution, the inner side surface of the rear end of the cylindrical shell 4 is an internal thread, and the outer side surface of the front end of the end cover 7 is a corresponding external thread. The cap 7 is screwed and fixed to the rear end of the cylindrical housing 4, and then the cylindrical housing 4 is sealed and covered.
In the above-mentioned technical solution, the front end of the cylindrical housing 4 is sleeved from the rear end of the ring magnet 3 and is flush with the front end of the ring magnet 3, and the outer side surface of the front end of the cylindrical housing 4 is bonded to the inner side surface of the ring magnet 3.
In the above technical solution, the ultrasonic probe 2 is a cylindrical probe, and the axis of the ultrasonic probe 2 deviates from the axis of the cylindrical housing 4 to one side, so that a gap area 9 is provided between the ultrasonic probe 2 and the cylindrical housing 4, and the gap area is used for routing the wires 5 of the ultrasonic probe 2. And when the ultrasonic probe 2 is assembled, the wires 5 are conveniently routed.
The annular rubber sealing ring 1 and the annular magnet 3 are bonded by glue. Glue is also used to bond the ring magnet 3 and the plastic cylinder. The plastic cylinder and the end cover 7 are connected by screw threads. The spring 6 is arranged between the end cover 7 and the ultrasonic probe 2, is not fixed, and is convenient to replace the spring with a proper size according to the length of the ultrasonic probe.
When the ultrasonic probe is actually used, firstly, the annular magnet 3 is attracted to the surface of an iron transformer, the annular rubber sealing ring 1 is positioned between the annular magnet 3 and the part to be tested of the transformer 10, the ultrasonic probe 2 is placed in the cylindrical shell 4, a lead wire of the ultrasonic probe 2 is led out through the plastic cylindrical end groove 8, the spring 6 is placed in the cylindrical shell 4, finally, the end cover 7 is covered and screwed, the spring 6 presses the ultrasonic probe 2 on the part to be tested of the transformer 10 through elasticity, and the detection of the ultrasonic probe 2 on the part to be tested of the transformer 10 is realized.
In fig. 2, it appears that the end cap would press against the lead of the ultrasonic probe, but the threads actually seen are internal threads of the plastic barrel, and the end cap is sized to be reasonably designed so as not to press against the lead of the probe.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (8)
1. An ultrasonic probe totally enclosed fixing device which characterized in that: the ultrasonic testing device comprises an annular magnet (3), a cylindrical shell (4), a spring (6) and an end cover (7), wherein the annular magnet (3) is fixedly connected with the front end of the cylindrical shell (4), the annular magnet (3) is coaxial with the cylindrical shell (4), the rear end of the cylindrical shell (4) is connected with the end cover (7) through threads, the annular rubber sealing ring (1) is fixedly connected with the front end of the annular magnet (3), the spring (6) is located the cylindrical shell (4), one end of the spring (6) can prop against the rear end of the ultrasonic probe (2), the other end of the spring (6) can prop against the end part of the end cover (7), the annular magnet (3) is used for being adsorbed on a part to be tested of a transformer (10) through magnetic force, the annular rubber sealing ring (1) is located between the annular magnet (3) and the part to be tested of the transformer (10), and the spring (6) is used for pressing the ultrasonic probe (2) located the inner ring of the annular magnet (3) on the part to be tested of the transformer (10) through elasticity.
2. The ultrasonic probe hermetically sealed fixture of claim 1, wherein: a groove (8) is formed in the side face of the rear end of the cylindrical shell (4), and the lead (5) of the ultrasonic probe (2) is led out of the groove (8).
3. The ultrasonic probe hermetically sealed fixture of claim 2, wherein: the opening direction of the groove (8) faces the ground.
4. The ultrasonic probe hermetically sealed fixture of claim 1, wherein: the front end of the annular magnet (3) is bonded with the annular rubber sealing ring (1) through glue.
5. The ultrasonic probe hermetically sealed fixture of claim 1, wherein: the annular magnet (3) is bonded with the front end of the cylinder shell (4) through glue.
6. The ultrasonic probe hermetically sealed fixture of claim 1, wherein: the inner side surface of the rear end of the cylinder shell (4) is an internal thread, and the outer side surface of the front end of the end cover (7) is a corresponding external thread.
7. The ultrasonic probe hermetically sealed fixture of claim 5, wherein: the front end of the cylinder shell (4) is sleeved from the rear end of the annular magnet (3) and is flush with the front end of the annular magnet (3), and the outer side surface of the front end of the cylinder shell (4) is bonded with the inner side surface of the annular magnet (3).
8. The ultrasonic probe hermetically sealed fixture of claim 1 or 5, wherein: the ultrasonic probe (2) is a cylindrical probe, and the axial center of the ultrasonic probe (2) deviates from the axial center of the cylindrical shell (4) to one side, so that a gap area (9) is formed between the ultrasonic probe (2) and the cylindrical shell (4), and the gap area is used for routing a lead (5) of the ultrasonic probe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320031684.6U CN218917475U (en) | 2023-01-06 | 2023-01-06 | Full-sealing fixing device for ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320031684.6U CN218917475U (en) | 2023-01-06 | 2023-01-06 | Full-sealing fixing device for ultrasonic probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218917475U true CN218917475U (en) | 2023-04-25 |
Family
ID=86049992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320031684.6U Active CN218917475U (en) | 2023-01-06 | 2023-01-06 | Full-sealing fixing device for ultrasonic probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218917475U (en) |
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2023
- 2023-01-06 CN CN202320031684.6U patent/CN218917475U/en active Active
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