Handheld TOFD scanning frame with automatic coupling agent adding function and design method

A technology of automatic addition and design methods, which is applied to instruments, measuring devices, scientific instruments, etc., to achieve the effects of improving work efficiency, saving costs, and improving coupling performance

Pending Publication Date: 2020-05-29
SHENZHEN TAIKE TEST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method provides an external couplant spray device, which can reduce the workload of the staff, but it also requires the staff to carry two sets of equipment at the same time to carry out the operation

Method used

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  • Handheld TOFD scanning frame with automatic coupling agent adding function and design method
  • Handheld TOFD scanning frame with automatic coupling agent adding function and design method
  • Handheld TOFD scanning frame with automatic coupling agent adding function and design method

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings.

[0026] Such as figure 1 As shown, the overall structure of the hand-held TOFD scanning frame that can automatically add coupling agent includes: an adaptive ultrasonic probe support structure 1, an adjustable T-shaped body structure 2, a walking structure with encoding function 3, and a hand-held structure 4; The self-adaptive ultrasound probe support structure 1 , the walking structure 3 with encoding function and the handheld structure 4 are respectively connected with the adjustable T-shaped body structure 2 .

[0027] Such as figure 2 As shown, the above-mentioned adaptive ultrasonic probe support structure 1 is composed of a movable limit box 101, a return spring 102, a wedge connecting frame 103 and a liquid injectable wedge 105; The conne...

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Abstract

The invention discloses a handheld TOFD scanning frame with an automatic coupling agent adding function and a design method. The handheld TOFD scanning frame comprises a self-adaptive ultrasonic probesupport structure, an adjustable T-shaped machine body structure, a walking structure with a coding function and a handheld structure. The method comprises the steps that a coupling agent conveying channel is designed for a wedge block carrying an ultrasonic probe, the wedge block is perforated, wherein an ultrasonic probe mounting hole is perpendicular to an upper surface of the wedge block, andthe coupling agent conveying channel is perpendicular to a lower surface of the wedge block; according to the contact condition of the wedge block and the surface of a scanning area, the hole openingposition and the conveying channel diameter of the wedge block coupling agent conveying channel are designed; a reasonable working moving speed of the scanning frame is designed according to a detection regulation; and the flow performance requirement of a coupling agent delivery pump is designed according to the contact area of the wedge block and the detection surface and the working moving speed of the scanning frame. Through the stable operation of the scanning frame, the smearing quality of the coupling agent is controlled, and the coupling performance of the ultrasonic probe is improvedthrough a uniform coupling layer medium.

Description

technical field [0001] The invention relates to the technical field of ultrasonic flaw detection tools, in particular to a hand-held TOFD scanning frame capable of automatically adding coupling agent and a design method. Background technique [0002] Ultrasonic time-of-flight diffraction (TOFD, Time Of Flight Diffraction) is a method that relies on the diffraction energy obtained from the "end angle" and "end point" inside the test piece to detect defects. The scanning frame is the TOFD detection process. An essential tool, which can carry the ultrasonic probe to move on the surface of the material to be tested, so as to realize the ultrasonic scanning of the detected object. [0003] At present, ordinary scanning racks generally require operators to manually apply coupling agent in the scanning area of ​​the detected butt joint in advance before the next scanning operation can be carried out. [0004] Since manual application of the couplant cannot ensure the uniformity of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/28G01N29/22G01N29/07G01N29/265
CPCG01N29/07G01N29/226G01N29/265G01N29/28G01N2291/011G01N2291/023G01N2291/0289
Inventor 曾成刚曾康洋滕艳何传军
Owner SHENZHEN TAIKE TEST
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