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Handheld far field eddy current probe pushing and pulling device

A far-field eddy current and hand-held technology, which is applied to instruments, scientific instruments, and material analysis through electromagnetic means, can solve problems such as the rhythm and speed of hand exchange are difficult to be uniform, workers affect work progress, and affect signal stability. Reduce the influence of human factors on the signal, reduce physical exertion, and achieve uniform movement speed

Pending Publication Date: 2019-09-17
NORTHWEST BRANCH OF CHINA DATANG CORP SCI & TECH RES INST
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  • Abstract
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AI Technical Summary

Problems solved by technology

In far-field eddy current testing, the probe is usually pushed into and pulled out of the nozzle of the inspected workpiece by manual exchange of hands. This method is difficult to evenly exchange the rhythm and speed of the hand exchange, which affects the stability of the signal and easily leads to misjudgment or missed detection. , also cause the fatigue of the workers and affect the progress of the work

Method used

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  • Handheld far field eddy current probe pushing and pulling device
  • Handheld far field eddy current probe pushing and pulling device

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Embodiment Construction

[0027] A hand-held far-field eddy current probe 1 pusher of the present invention includes a housing 3, characterized in that the housing 3 is provided with a passage for the probe 1 to pass through, and both ends of the passage are provided with cleaning device;

[0028] The housing 3 is also provided with clamping driving devices in pairs, and the channel passes through the area between the same pair of clamping driving devices, and the clamping driving devices are all connected with the probe 1 passing through the channel by rolling friction , the clamping drive devices are all fixedly connected to the housing 3 through the adjustment device, and the same pair of clamping drive devices are symmetrically arranged up and down in the vertical direction;

[0029] A handle 8 is also provided on the housing 3 .

[0030] The clamping drive devices all include a clamping wheel 5, the peripheral surface of the clamping wheel 5 is provided with an annular groove towards the center o...

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Abstract

The invention discloses a handheld far field eddy current probe pushing and pulling device, which relates to the field of far field eddy current detection, in particular to the handheld far field eddy current probe pushing and pulling device. The device comprises a shell and is characterized in that the shell is provided with a channel through which a probe penetrates; two ends of the channel are independently provided with a cleaning device; clamping and driving devices are arranged in the shell in pairs; the channel penetrates through an area between the same pair of clamping and driving devices; and the clamping and driving devices are in rolling friction connection with the probe which penetrates through the channel. The device has the advantages of small volume and light weight, is simple in operation, can be held with one hand, and can be suitable for small-space far field eddy current detection operation, the movement speed of the probe is even, the influence of human factors on a signal can be greatly lowered, the physical power consumption of workers is greatly reduced, and the quality and the speed of detection work are improved. The device has a simple structure and is convenient for cleaning after use and later-period disassembling and maintenance.

Description

technical field [0001] The invention relates to the field of far-field eddy current detection, in particular to a handheld far-field eddy current probe pusher. Background technique [0002] At present, horizontal heat exchangers are widely used in the power industry, chemical industry, pharmaceutical industry, etc., and the heat exchange tubes in the heat exchanger need to be carefully maintained. The widely used testing method is eddy current testing. In far-field eddy current testing, the probe is usually pushed into and pulled out of the nozzle of the inspected workpiece by manual exchange of hands. This method is difficult to evenly exchange the rhythm and speed of the hand exchange, which affects the stability of the signal and easily leads to misjudgment or missed detection. , It also causes the fatigue of workers and affects the progress of work. Contents of the invention [0003] In order to solve the above problems, the present invention provides a far-field eddy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/90
CPCG01N27/902G01N27/9006
Inventor 祝鹏勃李秀广许正斌
Owner NORTHWEST BRANCH OF CHINA DATANG CORP SCI & TECH RES INST
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