CN211553858U - Automatic moving device for internal penetration type eddy current testing probe - Google Patents
Automatic moving device for internal penetration type eddy current testing probe Download PDFInfo
- Publication number
- CN211553858U CN211553858U CN201922016180.3U CN201922016180U CN211553858U CN 211553858 U CN211553858 U CN 211553858U CN 201922016180 U CN201922016180 U CN 201922016180U CN 211553858 U CN211553858 U CN 211553858U
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- eddy current
- probe
- moving device
- automatic moving
- winding
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Abstract
The automatic moving device of the internally-penetrated eddy current testing probe comprises a frame (2), a front supporting wheel (4), a rear supporting wheel (5), a pressing wheel (3), a direct current speed reducing motor (6) and a winding belt (1). A pressing wheel (3) and a winding (1) of a probe fixing part of the internally-penetrated eddy current detection probe; a direct current speed reducing motor (6) which provides power for the winding belt (1) and is fixed on the frame; can cooperate the defect that interior formula eddy current testing probe detected the pipe fitting, make winding (1) can freely stretch out and draw back and can make interior formula eddy current testing probe stop on the optional position through the cooperation of two pinch rollers (3) and direct current gear motor (6). When the internal-through type eddy current testing probe automatic moving device is used for testing, the internal-through type eddy current testing probe automatic moving device not only can realize quick and uniform movement, but also can eliminate inevitable shaking when a person holds the probe in hand during conventional testing, so that a measuring signal is more accurate, the problems of missing testing, misjudgment and the like of defects are effectively overcome, and the automation of pipe fitting defect testing is realized.
Description
Technical Field
The patent relates to the technical application in the field of electromagnetic detection, in particular to an automatic moving device of an inner penetrating type eddy current detection probe.
Background
The eddy current detection technology has a good application prospect in the production of the modern petrochemical industry, and because the pressure pipeline is widely applied to the petrochemical industry, cracks and corrosion in the pipeline are common defects in the petrochemical production process, great potential safety hazards can be generated in the further development of the pressure pipeline, and unpredictable loss is brought. At present, the advanced detection method for the pipeline defects mainly comprises rays, magnetic leakage, ultrasonic waves, acoustic emission, eddy currents and the like. Compared with other detection methods, the eddy current method does not need pretreatment and intermediate media for workpieces, can realize non-contact detection, is convenient, quick and environment-friendly to detect, but the hand shake inevitably affects the detection effect of the probe and causes errors when the probe is manually moved for detection.
Disclosure of Invention
In view of the above disadvantages, the device aims to automatically detect the defect rapidly and uniformly during detection, and also can eliminate the inevitable jitter when a conventional detector holds the probe by hand, so that the measurement signal is more accurate, and the problems of missed detection, erroneous judgment and the like of the defect are effectively overcome.
In order to achieve the purpose, the technical scheme provided by the device is as follows:
the automatic moving device of the internally-penetrated eddy current detection probe utilizes the winding tape (1) as a moving carrier of the internally-penetrated probe, and the movement of the internally-penetrated probe is realized by stretching the winding tape (1). Through the cooperation of the two pinch rollers (3) and the direct-current speed reduction motor (6), the winding belt (1) can enable the internally-penetrated eddy current detection probe to stay at any position. The power that winding (1) removed comes from a direct current gear motor (6), is fixed with two pinch rollers (3) above direct current gear motor (6), and winding (1) is compressed tightly between pinch roller (3) and the U type wheel on the motor shaft. The two pinch rollers (3) are placed in front and at the back, and the advance and retreat of the tape can be controlled by the pinch rollers. In order to avoid the problem that the roll tape (1) is possibly derailed in the retracting process, two blocking pieces are additionally arranged on two sides of the wheel gap of the two pressing wheels (3), the roll tape is limited in the pressing force and U-shaped wheel effective working area, the problem that the roll tape is derailed is effectively solved, and the stability of the device is improved.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
FIG. 1 is a front view of an automatic moving device of an internally-penetrated eddy current inspection probe;
FIG. 2 is a side view of an automatic moving device of an internally-penetrated eddy current inspection probe;
FIG. 3 is a top view of an automatic moving device of an internally-penetrated eddy current inspection probe;
1-winding belt, 2-frame, 3-pinch roller, 4-front supporting wheel, 5-rear supporting wheel and 6-DC speed reducing motor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Will be detected the pipe fitting and put in front supporting wheel (4), back supporting wheel (5) on, direct current gear motor (6) are supplied power by the transformer, interior formula vortex detection probe that wears is fixed at the winding head, open switch, direct current gear motor (6) begin to rotate, take winding (1) out from the winding box, drive interior formula vortex detection probe that wears and stretch into the pipeline, pass through the built-up connection between the switch after the detection is accomplished, can realize the antiport of direct current gear motor (6), interior formula vortex detection probe that wears is taken out in following the pipeline, detection achievement.
In addition, the embodiment is described in the specification, but the implementation process does not only include an independent technical solution, and for the sake of clarity, a skilled person may partially modify the above embodiment according to a specific working condition to achieve a better detection effect.
Claims (4)
1. An automatic moving device of an inner penetrating type eddy current testing probe comprises a frame (2); a front support wheel (4); a rear support wheel (5); a pressing wheel (3) and a winding (1) of a probe fixing part of the internally-penetrated eddy current detection probe; a direct current speed reducing motor (6) which provides power for the winding belt (1) and is fixed on the frame; the method is characterized in that: can cooperate the defect that interior formula eddy current testing probe detected the pipe fitting, make winding (1) can freely stretch out and draw back and can make interior formula eddy current testing probe stop on the optional position through the cooperation of two pinch rollers (3) and direct current gear motor (6).
2. The automatic moving device of the internally-penetrated eddy current testing probe according to claim 1, wherein the power part is powered by a direct current speed reduction motor (6), and the tape (1) is driven by the friction force between the pressing wheel (3) and the front supporting wheel (4) to stretch the tape (1).
3. The automatic moving device of the internally-penetrated eddy current testing probe according to claim 1 or 2, wherein the probe can be driven by a direct current speed reduction motor (6) to move in the pipeline.
4. The automatic moving device of the internally-penetrated eddy current inspection probe according to claim 1 or 2, wherein two pressing wheels (3) are fixed above the direct current speed reduction motor (6), and the winding (1) is pressed between the pressing wheels (3) and a U-shaped wheel on a motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016180.3U CN211553858U (en) | 2019-11-20 | 2019-11-20 | Automatic moving device for internal penetration type eddy current testing probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016180.3U CN211553858U (en) | 2019-11-20 | 2019-11-20 | Automatic moving device for internal penetration type eddy current testing probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553858U true CN211553858U (en) | 2020-09-22 |
Family
ID=72502016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922016180.3U Expired - Fee Related CN211553858U (en) | 2019-11-20 | 2019-11-20 | Automatic moving device for internal penetration type eddy current testing probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553858U (en) |
-
2019
- 2019-11-20 CN CN201922016180.3U patent/CN211553858U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20211120 |