Ultrasonic probe sector-scanning device
An ultrasonic probe and fan-scanning technology, which is used in measurement devices, material analysis using sonic/ultrasonic/infrasonic waves, instruments, etc., can solve problems such as the limitation of ultrasonic detection of workpieces, and achieve the effect of convenient replacement and novel structural design.
Inactive Publication Date: 2015-02-25
NANTONG UNION DIGITAL TECH DEV +1
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Problems solved by technology
When the surface quality of the workpiece is poor or has a special-shaped surface, the probe often cannot form a good coupling with the workpiece during the moving process, so the ultrasonic testing of many workpieces is limited
Method used
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[0024] In order to clarify the design scheme and technical effect of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] Such as figure 1 , figure 2 Shown in the embodiment, a kind of ultrasonic probe sector scanning device comprises the following components:
[0026] 1) plexiglass wedge 1;
[0027] Such as figure 1 As shown in the transverse sectional view, the plexiglass wedge 1 has a trapezoidal cross-section and is provided with a slope 13 for attaching the workpiece. The inside of the wedge 1 is provided with a mounting hole embedded in the mounting shaft 3 of the reflector, and the inner wall of the mounting hole is smooth.
[0028] 2) Reflector mounting axis 3;
[0029] The reflector mounting shaft 3 is made of the same material as the wedge 1, both being plexiglass, and a reflector 2 is embedded inside the shaft body.
[0030] The reflector mounting shaft 3 ...
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The invention discloses an ultrasonic probe sector-scanning device. The ultrasonic probe sector-scanning device is characterized by comprising a reflector mounting shaft, a wedge and an ultrasonic probe; a reflector is embedded in the reflector mounting shaft; one end of the reflector is connected with a drive device which drives the reflector to rotate; the wedge is provided with an oblique face onto which a workpiece is attached; the wedge is internally provided with a mounting hole in which the reflector mounting shaft is embedded; the ultrasonic probe is fixed on the wedge; the emitting end of the ultrasonic probe faces the reflector arranged in the reflector mounting shaft. A gap between the inner wall of the mounting hole and the reflector mounting shaft is filled with coupling agent. The reflector rotates to reflect acoustic wave to the surface of the workpiece, thus detecting a specific-area part of the workpiece; the defect that the moving probe fails to well fit the workpiece is overcome. The ultrasonic probe sector-scanning device is especially applicable to detecting complex workpieces; the ultrasonic probe sector-scanning device is novel in structural design, simple, low in manufacturing cost, convenient to operate and suitable for popularization and application.
Description
technical field [0001] The invention belongs to the field of mechanical technician manufacturing, and in particular relates to an ultrasonic testing device for workpiece flaw detection. Background technique [0002] In the process of ultrasonic testing of workpieces, conventional probes can only emit a column of beams equivalent to the size of the probe chip, which is the detection range of the probe. When a large-area workpiece needs to be detected, the probe needs to move back and forth on the workpiece to reach the specified range. detection range. When the surface quality of the workpiece is poor or there are special-shaped surfaces, the probe often cannot form a good coupling with the workpiece during the moving process, so the ultrasonic testing of many workpieces is limited. Contents of the invention [0003] Aiming at the problems existing in the prior art, the technical purpose of the present invention is to provide an ultrasonic probe fan scan device that can sc...
Claims
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Inventor 朱汉俊张广清沈鸿飞
Owner NANTONG UNION DIGITAL TECH DEV