CN212301421U - Eddy current testing probe with scales - Google Patents
Eddy current testing probe with scales Download PDFInfo
- Publication number
- CN212301421U CN212301421U CN202020950805.3U CN202020950805U CN212301421U CN 212301421 U CN212301421 U CN 212301421U CN 202020950805 U CN202020950805 U CN 202020950805U CN 212301421 U CN212301421 U CN 212301421U
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- probe
- eddy current
- rod
- probe rod
- scaled
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Abstract
The utility model relates to a take eddy current testing probe of scale belongs to eddy current testing application technology field for railway rail's nondestructive test. Including vortex detector (1) and lead wire (11), handle (2) to and be fixed in probe rod (3) of handle (2) one end portion, and set up in probe (4) of another tip of probe rod, its characterized in that: scales (31) for measuring the depth of the probe rod (3) extending into the measured steel rail are arranged on the surface of the probe rod (3); wherein, the device also comprises a scale positioner (32) which can slide and fix on the probe rod (3). When the detection is carried out at the bottom of the rail, an operator can know the extending distance of the probe at any time, the length of the fixed probe extending into the rail bottom can be flexibly adjusted, the condition of the rail bottom can be clearly determined, and the defect of eddy current detection and flaw detection caused by the blocking of foreign matters is avoided.
Description
Technical Field
The utility model relates to a be used for eddy current testing to use technical field, relate to eddy current testing and be applied to the nondestructive test of railway rail, especially relate to a take vortex detection probe of scale.
Background
The eddy current detection technology is applied to nondestructive inspection of steel rails, and is used for detecting dark flaws inside the steel rails or tiny cracks on the surfaces of the steel rails, so that the eddy current detection technology has a strong technical advantage. Particularly, in the use process of the steel rail, various defects such as cracks and the like are easy to appear due to the action of stress, destructive accidents are easy to cause due to the defects which are difficult to observe by actual naked eyes, the eddy current detection has the advantages of high speed and high sensitivity, and can be used for detecting in a high-temperature state, a narrow area of a workpiece and a deep hole wall, and the like, so that great convenience is brought to the nondestructive inspection of the steel rail, and the technical difficulty of manual operation is saved.
For the detection of the bottom of the steel rail, the steel rail often needs to stretch into the gap space on the lower side of the rail, an operator can hardly find the depth of the gap space on the bottom by naked eyes, and in the detection process, the length of the probe stretching into the gap space on the bottom is not easy to be determined, so that the trouble of determining the position is easily caused.
Moreover, since the bottom position of the device cannot be seen by an operator, the shape of the bottom gap space and whether the device has a foreign object blockage cannot be determined, and detection errors possibly caused by the foreign object blockage can be caused.
To above shortcoming problem, the utility model discloses a following technical scheme improves.
Disclosure of Invention
The utility model aims at providing a take eddy current testing probe of scale, the technical scheme who provides is:
the utility model provides a take eddy current testing probe of scale, the probe is applied to eddy current testing instrument, connects in eddy current testing appearance (1) through lead wire (11), including handle (2) to and be fixed in probe rod (3) of handle (2) one end, and set up in probe (4) of another tip of probe rod, its characterized in that: scales (31) for measuring the depth of the probe rod (3) extending into the measured steel rail are arranged on the surface of the probe rod (3);
wherein, the device also comprises a scale positioner (32) which can slide and fix on the probe rod (3).
The utility model provides a take vortex detection probe of scale which characterized in that: the probes (4) are formed by arranging cross-shaped non-directional coils (41) in an array manner.
The utility model provides a take vortex detection probe of scale which characterized in that: the scale positioner (32) is provided with a positioning sensor (321) which transmits position information to the eddy current detector (1) through a lead (11).
The utility model provides a take vortex detection probe of scale which characterized in that: the positioning sensor (321) and the scale positioner (32) form a whole and are fixed on the probe rod (3) in a sliding way through an adjusting screw (33).
The utility model provides a take vortex detection probe of scale which characterized in that: the eddy current detector is characterized by further comprising a video device (5) fixedly arranged at one end of the probe (4), and video information is transmitted to the eddy current detector (1) through a lead and a lead (11) in the probe rod (3).
The utility model provides a take vortex detection probe of scale which characterized in that: the video device (5) is rotatably connected through a rotating connecting device (53) and can be fixed with the probe rod (2) in an adjustable mode at different angles.
The utility model provides a take vortex detection probe of scale which characterized in that: the rotary connecting device (53) is formed by rotationally connecting a fixed rod (531) arranged on the video device (5) with a ball head (532) arranged on the probe rod (2).
The utility model provides a take vortex detection probe of scale which characterized in that: the video device (5) further comprises a video head (51) and an LED lamp (52) used for illuminating the video head (51).
According to the technical scheme, the utility model discloses following beneficial effect has: the strip-shaped eddy current testing probe is provided with the scale device, so that the depth of the probe extending into the rail bottom is determined when the rail bottom is tested, and an operator can determine the length of the probe extending into the rail bottom in the using process. And the scale positioner of the eddy current test probe scale device can be fixed on the probe rod in a sliding manner, so that an operator can know the extending distance of the probe at any time, and the length of the fixed probe extending into the rail bottom can be flexibly adjusted. And the video device arranged at the end part of the eddy current detection probe can clearly determine the rail bottom condition when an operator acts, so that the eddy current detection fault caused by the blocking of foreign matters is avoided.
Drawings
Fig. 1 is a front view schematically illustrating the overall structure of the preferred embodiment of the present invention.
Fig. 2 is a schematic top view of the overall structure of the preferred embodiment of the present invention.
Fig. 3 is an exploded view of the overall structure of the preferred embodiment of the present invention.
In the figure, 1 eddy current tester, 2 handle, 3 probe, 4 probe, 5 video device, 11 lead, 31 scale, 32 scale locator, 33 screw, 41 coil, 51 video head, 52 LED lamp, 53 rotation connecting device, 321 positioning sensor, 531 fixed rod, 532 bulb.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example 1:
as shown in fig. 1, 2 and 3, a graduated eddy current testing probe, which is applied to an eddy current testing instrument and is connected to an eddy current testing instrument (1) through a lead (11), comprises a handle 2, a probe rod 3 fixed at one end of the handle 2, and a probe 4 arranged at the other end of the probe rod, wherein the surface of the probe rod 3 is provided with a graduation 31 for measuring the depth of the probe rod 3 extending into a tested steel rail; the device also comprises a scale positioner 32 which can slide and position on the probe rod 3.
Wherein the probe 4 is composed of an array of cruciform non-directional coils 41.
The scale positioner 32 is provided with a positioning sensor 321 which transmits position information to the eddy current tester 1 via a lead 11. The positioning sensor 321 is integrated with the scale positioner 32 and slidably fixed to the probe rod 3 by an adjusting screw 33.
The vortex detection probe with the scales further comprises a video device 5 fixedly arranged at one end of the probe 4, and video information is transmitted to the vortex detector 1 through an internal lead of a probe rod 3 and a lead 11. The video device (5) is rotatably connected through a rotating connecting device (53) and can be fixed with the probe rod (2) in an adjustable way at different angles. The rotating connection device 53 is a fixed rod 531 arranged on the video device 5 and is rotatably connected with a ball 532 arranged on the probe rod 2.
The video device 5 further comprises a video head 51 and an LED lamp 52 for illuminating the video head 51.
The above is one of the embodiments of the present invention. Furthermore, it is to be understood that all equivalent or simple changes in the structure, features and principles described in the present patent concepts are included in the scope of the present patent.
Claims (8)
1. The utility model provides a take eddy current testing probe of scale, the probe is applied to eddy current testing instrument, connects in eddy current testing appearance (1) through lead wire (11), including handle (2) and be fixed in probe rod (3) of handle (2) one end portion, and set up in probe (4) of another tip of probe rod, its characterized in that: scales (31) for measuring the depth of the probe rod (3) extending into the measured steel rail are arranged on the surface of the probe rod (3);
wherein, the device also comprises a scale positioner (32) which can slide and fix on the probe rod (3).
2. A scaled eddy current inspection probe according to claim 1, wherein: the probes (4) are formed by arranging cross-shaped non-directional coils (41) in an array manner.
3. A scaled eddy current inspection probe according to claim 1, wherein: the scale positioner (32) is provided with a positioning sensor (321) which transmits position information to the eddy current detector (1) through a lead (11).
4. A scaled eddy current inspection probe according to claim 3, wherein: the positioning sensor (321) and the scale positioner (32) form a whole and are fixed on the probe rod (3) in a sliding way through an adjusting screw (33).
5. A scaled eddy current inspection probe according to claim 1, wherein: the eddy current detector is characterized by further comprising a video device (5) fixedly arranged at one end of the probe (4), and video information of the video device (5) is transmitted to the eddy current detector (1) through an internal wire and a lead (11) of the probe rod (3).
6. A scaled eddy current inspection probe according to claim 5, wherein: the video device (5) is rotatably connected through a rotating connecting device (53) and can be fixed with the probe rod (3) in an adjustable and different angle mode.
7. A scaled eddy current inspection probe according to claim 6, wherein: the rotary connecting device (53) is formed by rotationally connecting a fixed rod (531) arranged on the video device (5) with a ball head (532) arranged on the probe rod (3).
8. A scaled eddy current inspection probe according to claim 5, wherein: the video device (5) further comprises a video head (51) and an LED lamp (52) used for illuminating the video head (51).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020950805.3U CN212301421U (en) | 2020-05-29 | 2020-05-29 | Eddy current testing probe with scales |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020950805.3U CN212301421U (en) | 2020-05-29 | 2020-05-29 | Eddy current testing probe with scales |
Publications (1)
Publication Number | Publication Date |
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CN212301421U true CN212301421U (en) | 2021-01-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020950805.3U Active CN212301421U (en) | 2020-05-29 | 2020-05-29 | Eddy current testing probe with scales |
Country Status (1)
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CN (1) | CN212301421U (en) |
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2020
- 2020-05-29 CN CN202020950805.3U patent/CN212301421U/en active Active
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