Phased array ultrasonic detection auxiliary positioning device

Abstract

The utility model relates to the technical field of non-destructive testing, in particular to a phased array ultrasonic testing auxiliary positioning device which comprises a clamping device clamped on the surface of a phased array ultrasonic testing probe, the clamping device comprises a first body and a second body, the first body and the second body intersect and form a certain angle, the first body is provided with a wire beam laser bulb, and the second body is provided with a wire beam. The first body is further provided with a first through hole, the wire beam laser bulb is coaxially provided with a limiting adjustable gear, the limiting adjustable gear penetrates through the first through hole and is higher than the upper surface of the first body, the side face, away from the first body, of the second body is an inclined face, and the inclined face is provided with a first window for wire beam laser to penetrate through. According to the phased array ultrasonic detection auxiliary positioning device provided by the invention, the linear beam laser is fully utilized, and the actual scanning path is accurately displayed, so that the front end distance of the probe can be adjusted in real time, and the deviation between the actual scanning path and the to-be-scanned path is prevented from exceeding the standard requirement.

Description

Technical Field

[0001] The present application relates to the technical field of nondestructive testing, and in particular to a phased array ultrasonic testing auxiliary positioning device. Background Art

[0002] At present, weld defect detection usually places a scanner equipped with a probe on the surface of the workpiece to be inspected, and then pushes the scanner to move at a constant speed along the length of the weld. The probe signal is transmitted to the phased array instrument in real time, and the structure and location of the defect can be known through the scanning map on the instrument. During the weld inspection process, if the relative position of the probe and the weld changes, it will have a very large impact on the size and position measurement of the weld defect. Among them, the standard NB / T 47013.15-2021 stipulates that "during scanning, the deviation between the actual scanning path and the intended scanning path should not exceed 5% of the probe front end distance". Especially when the probe front end distance setting value is small, the error allowed by the inspector's actual scanning path is extremely small, which brings great challenges to the inspector's operation. Summary of the invention

[0003] In order to solve the technical problem of difficult probe positioning in the prior art, the present application proposes a phased array ultrasonic detection auxiliary positioning device, which makes full use of linear beam laser to improve the positioning accuracy.

[0004] The present application proposes a phased array ultrasonic detection auxiliary positioning device, including a clamp 1 clamped on the surface of a phased array ultrasonic detection probe 6. The clamp 1 includes a first body 11 and a second body 12, and the first body 11 and the second body 12 intersect and form a certain angle. A linear laser bulb 2 is provided in the first body 11 and near the second body 12. The first body 11 also has a first through hole 3. The linear laser bulb 2 is coaxially provided with a limit adjustable gear 4, which passes through the first through hole 3 and is higher than the upper surface of the first body 11. The side of the second body 12 away from the first body 11 is an inclined surface, and the inclined surface is provided with a first window 121.

[0005] Particularly, the first body 11 and the second body 12 intersect and form a right angle.

[0006] Particularly, a power source 5 for supplying power to the linear beam laser bulb 2 is also disposed in the first body 11 .

[0007] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present application.

[0008] The above technical solution has the following advantages or beneficial effects: This application proposes a phased array ultrasonic detection auxiliary positioning device, which makes full use of the line beam laser to accurately display the actual scanning path, and then can adjust the probe front end distance in real time to avoid the deviation between the actual scanning path and the intended scanning path exceeding the standard requirements. Of course, any technical solution of this application does not necessarily achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art description. Obviously, for those skilled in the art, other drawings can be obtained based on the provided drawings without creative work.

[0010] Figure 1 It is a structural schematic diagram of a phased array ultrasonic detection auxiliary positioning device according to an embodiment of the present application.

[0011] Among them, there are a clamp 1; a first body 11; a second body 12; a first window 121; a linear beam laser bulb 2; a first through hole 3; a limit adjustable gear 4; a power supply 5; and a phased array ultrasonic detection probe 6. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present application are clearly and completely described below in conjunction with the drawings of the present application. Obviously, the described embodiments are only part of the embodiments of the present application and are intended to be used to explain the inventive concept. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0013] The orientation or position relationship indicated by the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", "center", "longitudinal", "lateral", "length direction", "width direction", "thickness direction", etc. used in the description are based on the orientation or position relationship shown in the drawings and are only for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation.

[0014] The terms "first", "second", etc. used in the description are only used for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" or "second" may explicitly or implicitly include one or more of the features. The term "plurality" means two or more, unless otherwise clearly and specifically specified.

[0015] Unless otherwise clearly specified and limited, the terms "connected", "connected" and the like used in the description should be understood in a broad sense, for example, it can be fixedly connected, detachably connected, or integrated; it can be mechanically connected, electrically connected; it can be directly connected, indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments can be understood according to specific circumstances.

[0016] Unless otherwise clearly specified and limited, when a first feature is "above", "below" or "above" a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above", "above" or "above" a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is "below", "below" or "below" a second feature, it may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "below", "below" or "below" a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0017] refer to Figure 1 A specific embodiment of the present application proposes a phased array ultrasonic detection auxiliary positioning device, the auxiliary positioning device includes a clamp 1, the clamp 1 includes a first body 11 and a second body 12, the first body 11 and the second body 12 intersect and form a certain angle, preferably a right angle. A linear beam laser bulb 2 is provided in the first body 11 and near the second body 12. The first body 11 also has a first through hole 3. The linear beam laser bulb 2 is coaxially provided with a limit adjustable gear 4, which passes through the first through hole 3 and is higher than the upper surface of the first body 11. The side of the second body 12 away from the first body 11 is an inclined surface, and the inclined surface is provided with a first window 121. Furthermore, it also includes a power supply 5 for supplying power to the linear beam laser bulb 2, and the power supply 5 is arranged in the first body 11.

[0018] The method of using the auxiliary positioning device is as follows: when scanning is required, first clamp the clamp 1 of the auxiliary positioning device on the surface of the phased array ultrasonic detection probe 6 and keep the two from being displaced, and adjust the angle of the line beam laser bulb 2 by rotating the adjustable limit gear 4, so that the line beam laser emitted by the line beam laser bulb 2 is irradiated on the surface of the workpiece to be tested through the first window 121. The actual scanning path can be accurately displayed by the line beam laser, and then the front end distance of the probe can be adjusted in real time to avoid the deviation between the actual scanning path and the intended scanning path exceeding the standard requirements. During actual scanning, when the front end distance of the probe is too large or too small, the laser will deviate from the position of the intended scanning path. The probe position can be adjusted according to the fixed laser position to ensure that the deviation of the front end from the scanning path does not exceed 5% of the front end distance of the probe, thereby reducing the number of re-detection times, greatly improving the validity of the data, and improving the efficiency of on-site detection.

[0019] Implementation Example 1

[0020] 1. Set the probe front end distance in the phased array instrument according to the on-site workpiece parameters. For example, the probe front end distance from the weld center is set to -20mm.

[0021] 2. Clamp the auxiliary positioning device stably above the probe with the clamp, measure the position 20mm from the front end of the probe with a ruler, and rotate the limit adjustable gear to fix the position of the beam laser at 20mm from the front end of the probe.

[0022] 3. Before scanning, when determining the intended scanning path, adjust the probe position to ensure that the linear laser is always located in the center of the weld.

[0023] 4. During scanning, visually check the position of the line beam laser. When the line beam laser position deviates from the center of the weld, adjust the probe position in real time to return the line beam laser to the center of the weld, and ensure that the front end distance of the probe of the actual path is always maintained at -20mm from the center of the weld to meet the standard requirement of "during scanning, the deviation between the actual scanning path and the intended scanning path should not exceed 5% of the front end distance of the probe".

[0024] The auxiliary positioning device of the present application can be manufactured using existing technology and materials. Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limitations of the present application. Without departing from the spirit and scope of the present application, the present application will also have various changes and improvements, and these changes and improvements all fall within the scope of the present application to be protected.

Claims

1. A phased array ultrasonic detection auxiliary positioning device, comprising a holder (1) clamped on the surface of a phased array ultrasonic detection probe (6), characterized in that: The clamp (1) comprises a first body (11) and a second body (12), the first body (11) and the second body (12) intersecting and forming a certain angle, a linear beam laser bulb (2) being arranged in the first body (11) and near the second body (12), the first body (11) also having a first through hole (3), a limit adjustable gear (4) being arranged coaxially with the linear beam laser bulb (2), the limit adjustable gear (4) passing through the first through hole (3) and being higher than the upper surface of the first body (11), the side surface of the second body (12) away from the first body (11) being an inclined surface, and the inclined surface having a first window (121) being arranged.

2. The phased array ultrasonic detection auxiliary positioning device according to claim 1, characterized in that: The first body (11) and the second body (12) intersect and form a right angle.

3. The phased array ultrasonic detection auxiliary positioning device according to claim 1, characterized in that: A power source (5) for supplying power to the linear beam laser bulb (2) is also provided in the first body (11).

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