A user-friendly tool for inspecting weld toes

Abstract

This utility model provides a convenient weld toe inspection tool, belonging to the field of weld toe inspection tools. It includes a mounting frame, with a detection plate vertically mounted on one side of the frame. The bottom surface of the detection plate is the workpiece contact surface, and the left side of the detection plate is the detection surface. The angle between the detection surface and the workpiece contact surface is defined as the detection angle. An inspection lamp is installed inside the mounting frame. The beam emitted by the inspection lamp forms an illumination area with a vertical range of 4mm centered on the vertex of the detection angle at the detection angle. The beneficial effect of this utility model is that it combines the angle design of the detection plate with the light source projection principle, allowing operators to visually inspect whether the weld toe is qualified. It is particularly suitable for rapid batch inspection scenarios, thereby effectively improving the efficiency of welding quality inspection.

Description

Technical Field

[0001] This utility model belongs to the field of weld toe inspection tools, specifically relating to a convenient weld toe inspection tool. Background Technology

[0002] In welding quality control, the forming quality of the weld toe directly affects the mechanical properties and service safety of the weld. As a critical transition point between the weld and the base metal, the weld toe's geometry directly relates to stress distribution and the initiation location of fatigue cracks, serving as a crucial basis for assessing the reliability of welded structures. Therefore, weld toe inspection is of great significance in welding inspection, not only helping to identify potential quality hazards but also providing data support for structural optimization and life prediction. According to ISO 6520-1:2007, weld toes requiring inspection can be categorized into four inspection angles based on whether they are butt welds or fillet welds: 90°, 100°, 110°, and 150°.

[0003] Traditional weld toe inspection methods mostly rely on manual visual inspection or general measuring tools, which have problems such as inconvenience in operation, strong subjectivity in judgment, and low inspection efficiency. Especially in complex working conditions and high-requirement inspection environments, accurately and quickly judging the quality of weld toes has become a technical challenge.

[0004] Therefore, there is an urgent need for a weld toe inspection tool that is simple in structure, easy to operate, and highly adaptable, in order to improve the efficiency of weld quality inspection and the consistency of the inspection process. Utility Model Content

[0005] The technical problem solved by this utility model is to provide a convenient weld toe inspection tool to improve the efficiency of weld quality inspection and the consistency of the inspection process.

[0006] To solve the aforementioned technical problems, the present invention provides the following technical solution: a convenient weld toe inspection tool, comprising a mounting frame, a detection plate vertically mounted on one side of the mounting frame, the bottom surface of the detection plate serving as the workpiece contact surface, the left side of the detection plate serving as the detection surface, and the angle between the detection surface and the workpiece contact surface serving as the detection angle; a detection lamp is installed inside the mounting frame, and the beam emitted by the detection lamp forms an illumination area with a vertical range of 4mm centered on the vertex of the detection angle at the detection angle. Based on this, when using this weld toe inspection tool to inspect weld quality, the tool can first be placed on the surface of the base material to be inspected, with the bottom surface of the detection plate in contact with the surface of the base material, and the detection surface of the detection plate facing and in contact with the weld toe to be inspected; then the detection lamp is turned on, and the position of the light emitted from the detection lamp is observed from the direction directly facing the detection plate. If the weld quality is qualified, the light will shine through from above the contact point between the detection surface and the weld; conversely, if the weld quality is unqualified, the light will shine through from below the contact point between the detection surface and the weld.

[0007] Furthermore, the bottom surface of the mounting frame is provided with a mounting base plate, and the mounting base plate is equipped with an adsorption magnet, which can be used to place and fix the entire weld toe inspection tool on the surface of the base material to be inspected.

[0008] Furthermore, the left side of the detection plate extends beyond the left side of the mounting frame to avoid interference from the mounting frame.

[0009] Furthermore, the detection angle is 90 degrees and is used to inspect the weld toe of the corresponding grade.

[0010] Alternatively, the detection angle is 100 degrees and is used to inspect the weld toe of the corresponding grade.

[0011] Alternatively, the detection angle is 110 degrees, and it is used to inspect the weld toe of the corresponding grade.

[0012] Alternatively, the inspection angle is 150 degrees and is used to inspect the weld toe of the corresponding grade.

[0013] As can be seen from the above technical solutions, this utility model has the following advantages: This utility model combines the angle design of the detection plate with the principle of light source projection, allowing operators to determine whether the weld toe is qualified by observing the position of the light transmission. Simultaneously, brightly colored powders such as red lead powder can be applied to the weld inspection area, and the qualification of the weld toe can be determined by observing the position of the powder on the inspection surface. Furthermore, throughout the entire inspection process, the tool is intuitive to use, and different models can be selected to adapt to different angle requirements, making it particularly suitable for rapid batch inspection scenarios, thereby effectively improving the efficiency of welding quality inspection. Attached Figure Description

[0014] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 (The detection angle is 90 degrees, looking from back to front); Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 (The detection angle is 90 degrees, viewed from front to back); Figure 3 This is a schematic diagram of the structure of the present invention. Figure 3 (Detection angle is 100 degrees); Figure 4 This is a schematic diagram of the structure of the present invention. Figure 4 (Detection angle is 110 degrees); Figure 5 This is a schematic diagram of the structure of the present invention. Figure 5 (Detection angle is 150 degrees); Figure 6 This is a schematic diagram of the structure of this utility model when used for inspecting fillet welds; Figure 7 This is a schematic diagram of the structure of this utility model used for detecting butt welding.

[0016] In the diagram: 1. Detection lamp; 2. Detection plate; 3. Detection surface; 4. Workpiece contact surface; 5. Mounting base plate; 6. Adsorption magnet; 7. Mounting frame. Detailed Implementation

[0017] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0018] like Figures 1 to 5 As shown, this utility model provides a convenient weld toe inspection tool, which includes a mounting frame 7. The mounting frame 7 is preferably rectangular in shape, and the material of the mounting frame 7 is preferably made of high-strength lightweight metal material to ensure that it has good wear resistance and anti-interference performance.

[0019] Meanwhile, this utility model provides a mounting base plate 5 on the bottom surface of the mounting frame 7, and an adsorption magnet 6 is mounted on the mounting base plate 5. The adsorption magnet 6 can be used to place and fix the entire weld toe inspection tool onto the surface of the base material to be inspected. A detection plate 2 is vertically arranged on the front of the mounting frame 7, with the bottom surface of the detection plate 2 designated as the workpiece contact surface 4, and the left side surface of the detection plate 2 designated as the detection surface 3. The angle between the detection surface 3 and the workpiece contact surface 4 is designated as the detection angle. Furthermore, the detection surface 3 (i.e., the left side surface) of the detection plate 2 extends beyond the left side of the mounting frame 7 to avoid interference from the mounting frame 7. The angle between the workpiece contact surface 4 (i.e., the bottom surface) and the detection surface 3 (i.e., the left side surface) of the detection plate 2 can be designed as four types: 90 degrees, 100 degrees, 110 degrees, and 150 degrees, each corresponding to one of the four inspection standards.

[0020] An inspection lamp 1 is installed at an angle inside the mounting frame 7. The inspection lamp 1 preferably uses an LED light source with a control switch and power supply. The beam emitted by the inspection lamp 1 forms an illumination area with a vertical range of 4mm centered on the vertex of the inspection angle. It should be noted that the height of the beam emitted by the inspection lamp 1 at the inspection surface 3 needs to be designed according to the specific weld inspection standards, and is generally selected based on the height of the qualified weld toe.

[0021] Therefore, when using this weld toe inspection tool to inspect the quality of welds, the following weld toe inspection methods can be adopted: Step 1: Select the inspection angle size of a convenient weld toe inspection tool according to the inspection level of the weld to be inspected; Step two, as Figure 6 , Figure 7 As shown, the mounting frame 7 of the easy-to-use weld toe inspection tool is placed on the surface of the base material to be inspected, and the bottom surface of the inspection plate 2 of the easy-to-use weld toe inspection tool is in contact with the surface of the base material to be inspected, and the inspection surface 3 of the inspection plate 2 is in contact with the root of the weld toe to be inspected. Step 3: Turn on the inspection lamp 1 and observe the light transmission of the inspection lamp 1 from the direction facing the inspection plate 2. If the light of the inspection lamp 1 shines through from above the contact point between the weld and the inspection surface 3, the weld grade inspection is qualified; if the light of the inspection lamp 1 shines through from below the contact point between the weld and the inspection surface 3, the weld grade inspection is unqualified.

[0022] Alternatively, the following weld toe inspection method can be used: Step 1: Select the inspection angle size of a convenient weld toe inspection tool according to the inspection level of the weld to be inspected, and apply the inspection powder to the area of ​​the weld to be inspected. Step 2: Place the mounting frame 7 of the easy-to-use weld toe inspection tool on the surface of the base material to be inspected, and make the bottom surface of the inspection plate 2 of the easy-to-use weld toe inspection tool contact the surface of the base material to be inspected, and the inspection surface 3 of the inspection plate 2 contact the root of the weld toe to be inspected. Step 3: Using a convenient weld toe inspection tool, scrape the weld along the weld extension direction. If the position of the inspection powder on the inspection surface 3 is only at the root of the inspection surface 3, the weld grade inspection is qualified; if the position of the inspection powder on the inspection surface 3 is 2mm higher than the workpiece contact surface, that is, about 3mm above the workpiece contact surface 4, the weld grade inspection is unqualified.

[0023] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A convenient weld toe inspection tool, comprising a mounting frame (7), characterized in that, One side of the installation frame (7) is vertically provided with a detection plate (2), the bottom surface of the detection plate (2) is provided as a workpiece contact surface (4), the left side surface of the detection plate (2) is provided as a detection surface (3), and the included angle between the detection surface (3) and the workpiece contact surface (4) is provided as a detection angle; the inside of the installation frame (7) is provided with a detection lamp (1), and the light beam emitted by the detection lamp (1) forms an irradiation area with an upper and lower range of 4mm at the detection angle with the vertex of the detection angle as the center.

2. The tool for convenient examination of a weld toe according to claim 1, characterized in that, The bottom surface of the installation frame (7) is provided with a mounting bottom plate (5), and the mounting bottom plate (5) is provided with a suction magnet (6).

3. The convenient-to-use weld toe inspection tool of claim 1, wherein, The left side surface of the detection plate (2) protrudes from the left side of the installation frame (7).

4. The convenient-to-use weld toe inspection tool of claim 1, wherein, The detection angle is 90 degrees.

5. The convenient-to-use weld toe inspection tool of claim 1, wherein, The detection angle is 100 degrees.

6. The convenient-to-use weld toe inspection tool of Claim 1, wherein, The detection angle is 110 degrees.

7. The convenient-to-use weld toe inspection tool of Claim 1, wherein, The detection angle is 150 degrees.

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