A steel structure weld detector

By introducing protective components and limiting structures into the steel structure weld inspection instrument, the problem of equipment damage under complex working conditions has been solved, and the stability of the equipment and the durability of the cables have been improved.

CN224581536UActive Publication Date: 2026-07-31JILIN YEXIN ENG TESTING CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JILIN YEXIN ENG TESTING CO LTD
Filing Date
2025-08-28
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing steel structure weld inspection instruments lack targeted impact resistance, drop protection, and cable stress protection under complex working conditions, making the equipment prone to damage and affecting the continuity of inspection and service life.

Method used

The protective components include a fixed plate, connecting column, slider, spring, connecting rod, and limit ring. The elastic deformation absorbs the impact force and the limit ring restricts the cable, improving the durability and stability of the equipment.

Benefits of technology

It effectively protects equipment from damage caused by drops, impacts, and cable dragging, improving the equipment's continuous working efficiency and cable durability in complex environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of testing instrument technology and discloses a steel structure weld seam testing instrument, including a testing machine. A testing head is provided on one side of the testing machine, and a protective component is provided on the side wall of the testing machine. The protective component includes multiple fixing plates, each with a connecting column fixedly connected to one side. A slider with symmetrical upper and lower sides is slidably connected to the outer wall of the connecting column. A spring is provided on one side of each slider, with one end fixedly connected to the side wall of the slider and the other end fixedly connected to the side wall of the fixing plate. In this utility model, the fixing blocks compress the slider to slide on the outer wall of the connecting column, thereby causing the spring to undergo elastic deformation. The elastic deformation of the spring absorbs and buffers the impact force, thus achieving the effect of elastic protection. This solves the problem of equipment damage caused by accidental drops, collisions, and cable dragging in complex working conditions of existing steel structure weld seam testing instruments, improving the continuous working efficiency of the equipment in harsh environments.
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Description

Technical Field

[0001] This utility model relates to the field of testing instruments, and in particular to a steel structure weld testing instrument. Background Technology

[0002] In modern industry, steel structures are widely used in major projects such as construction, bridges, ships, petrochemicals, and pressure vessels due to their advantages of high strength and high stability. As a key part of the connection of steel structures, the quality of welds directly affects the safety and service life of the entire structure. During the welding process, welds are prone to defects such as cracks, incomplete penetration, porosity, and inclusions due to factors such as improper process parameters and operational errors. If these defects are not detected in time, they can lead to serious consequences such as structural failure and safety accidents.

[0003] In existing technologies, steel structure weld inspection instruments are mainly based on physical detection principles to detect weld defects. Commonly used technologies include ultrasonic testing, magnetic particle testing, and penetrant testing. In terms of mechanical structure, traditional inspection instruments typically consist of a main unit, a probe, connecting cables, and a basic operation panel. The main unit integrates signal transmission, reception, and processing modules. The probe, as the core component of the inspection, directly contacts the weld surface and transmits the detection signal to the main unit for analysis and processing via cables.

[0004] However, existing steel structure weld inspection instruments are not durable enough under complex working conditions. Their main unit shells are mostly made of ordinary plastic or simple metal materials, lacking targeted impact and drop protection designs. The connection between the probe and the cable is also not effectively stress-protected. In outdoor high-altitude operations, heavy industrial workshops and other scenarios, the equipment is prone to shell damage, internal component damage or cable breakage due to accidental drops, collisions or frequent cable dragging, which seriously affects the continuity of inspection work and the service life of the equipment. Therefore, a steel structure weld inspection instrument is proposed to solve the above problems. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a steel structure weld inspection instrument, which aims to improve the problem that existing steel structure weld inspection instruments are prone to damage due to accidental drops, collisions, or cable dragging under complex working conditions due to the lack of targeted impact-resistant and drop-proof designs and cable stress protection treatment, thus affecting the continuity of inspection and service life.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A steel structure weld inspection instrument includes an inspection machine, a detection head is provided on one side of the inspection machine, and a protective component is provided on the side wall of the inspection machine; The protective assembly includes multiple fixed plates, each fixed plate having a connecting post fixedly connected to one side. A slider with symmetrical upper and lower sides is slidably connected to the outer wall of each connecting post. A spring is provided on one side of each slider, with one end fixedly connected to the side wall of the slider and the other end fixedly connected to the side wall of the fixed plate. Connecting rods are rotatably connected inside each slider, and a fixed block is rotatably connected to one side of each connecting rod. An anti-compression block is fixedly connected to one side of each fixed block. A limit assembly is provided on one side of the testing machine.

[0007] As a further description of the above technical solution: The limiting component includes a fixing frame and a nut. One side of the fixing frame is fixedly connected to the side wall of the testing machine, and one side of the nut is fixedly connected to the side wall of the fixing frame.

[0008] As a further description of the above technical solution: The nut has an internal threaded connection to a screw rod, and a knob is fixedly connected to one end of the screw rod.

[0009] As a further description of the above technical solution: The other end of the screw is rotatably connected to a sliding block, and one side of the sliding block is slidably connected inside the fixed frame.

[0010] As a further description of the above technical solution: A plurality of springs are provided on one side of the sliding block. One end of each spring is fixedly connected to the side wall of the sliding block, and the other end is fixedly connected to a support plate.

[0011] As a further description of the above technical solution: One side of the support plate is slidably connected inside the fixed frame, and one side of the support plate is fixedly connected to a limit ring.

[0012] As a further description of the above technical solution: The limiting ring is semi-circular and made of rubber.

[0013] This utility model has the following beneficial effects: 1. In this utility model, the fixed block squeezes the slider to slide on the outer wall of the connecting column, thereby causing the spring to undergo elastic deformation. The elastic deformation of the spring absorbs and buffers the impact force, thereby achieving the effect of elastic protection. This solves the problem of equipment damage caused by accidental drops, collisions and cable dragging in complex working conditions of existing steel structure weld inspection instruments, and improves the continuous working efficiency of the equipment in harsh environments.

[0014] 2. In this utility model, by rotating the knob, the sliding block is driven to slide inside the fixed frame, thereby driving the limiting ring to contact the cable, thus achieving the limiting effect on the cable. This solves the problem in the prior art that the cable is prone to frequent dragging and bending due to lack of limiting, which leads to breakage. It improves the durability of the equipment cable and the continuous efficiency of the testing work. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of a steel structure weld inspection instrument proposed in this utility model; Figure 2 This is a schematic diagram of the back of the inspection machine of a steel structure weld inspection instrument proposed in this utility model; Figure 3 This is a schematic diagram of the structure of the fixing plate of the steel structure weld inspection instrument proposed in this utility model; Figure 4 This is a schematic diagram of the side of the inspection machine of a steel structure weld inspection instrument proposed in this utility model; Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0016] Legend: 1. Testing machine; 2. Testing head; 3. Fixing plate; 4. Connecting column; 5. Slider; 6. Spring 1; 7. Connecting rod; 8. Fixing block; 9. Anti-compression block; 10. Fixing frame; 11. Nut; 12. Screw; 13. Knob; 14. Sliding block; 15. Spring 2; 16. Support plate; 17. Limiting ring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Reference Figure 1 - Figure 3 The present invention provides an embodiment of a steel structure weld inspection instrument, including an inspection machine 1, an inspection head 2 on one side of the inspection machine 1, which is responsible for detailed detection and data collection of steel structure welds, and a protective component on the side wall of the inspection machine 1 to protect the inspection machine 1 from external damage during use. The protective assembly includes multiple fixed plates 3, forming a stable support frame. Each fixed plate 3 is fixedly connected to a connecting column 4 on one side. The outer wall of the connecting column 4 is slidably connected to upper and lower symmetrical sliders 5. A spring 6 is provided on one side of the slider 5 to absorb and buffer impact force, ensuring the stability of the testing machine 1. One end of the spring 6 is fixedly connected to the side wall of the slider 5, and the other end is fixedly connected to the side wall of the fixed plate 3. Each slider 5 is rotatably connected to a connecting rod 7. Each connecting rod 7 is rotatably connected to a fixed block 8 on one side. A pressure-resistant block 9 is fixedly connected to one side of the fixed block 8. The presence of the pressure-resistant block 9 effectively avoids external forces from compressing the protective assembly, ensuring its long-term stable operation. A limit component is provided on one side of the testing machine 1 to ensure that the equipment cable can be accurately positioned during operation. Reference Figure 4 and Figure 5 The limiting component includes a fixed frame 10 and a nut 11. The fixed frame 10 is fixedly connected to the side wall of the testing machine 1 on one side, providing a stable support platform. The nut 11 is fixedly connected to the side wall of the fixed frame 10 on one side. A screw 12 is threaded inside the nut 11, and its internal thread structure can be tightly engaged with the screw 12. A knob 13 is fixedly connected to one end of the screw 12, and a sliding block 14 is rotatably connected to the other end of the screw 12. The sliding block 14 is slidably connected to the inside of the fixed frame 10 on one side. Multiple springs 15 are provided on one side of the sliding block 14. The function of these springs 15 is to ensure that the sliding block 14 can slide smoothly and has a certain compressive strength. One end of each of the multiple springs 15 is fixedly connected to the side wall of the sliding block 14, and the other end is fixedly connected to a support plate 16, thereby providing good support force and stability. One side of the support plate 16 is slidably connected to the inside of the fixed frame 10, and a limiting ring 17 is fixedly connected to one side of the support plate 16. The limiting ring 17 is semi-circular, made of rubber, and has a clear positioning function to limit the cable.

[0019] Working principle: When using this steel structure weld inspection instrument, the pressure block 9 squeezes the fixed block 8, which in turn drives the connecting rod 7 to deflect, causing the slider 5 to slide on the outer wall of the connecting column 4. Under the sliding of the slider 5, the spring 6 is squeezed, causing the spring 6 to undergo elastic deformation and store elastic potential energy. Then, the elastic restoring force of the spring 6 absorbs and buffers the impact force, protecting the inspection machine 1. When it is necessary to organize and store the inspection head 2, the operator presses the inspection head 2 into the inner wall of the limiting ring 17. By rotating the knob 13, the slider 14 is driven to slide inside the fixed frame 10, which in turn drives the limiting ring 17 to contact the outer wall of the cable, squeezing the second spring 15 and causing the second spring 15 to undergo elastic deformation, thereby achieving the limiting effect on the cable.

[0020] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A steel construction weld detector comprising a detector machine (1), characterized in that: The testing machine (1) is provided with a testing head (2) on one side, and a protective component is provided on the side wall of the testing machine (1); The protective assembly includes multiple fixed plates (3), each fixed plate (3) is fixedly connected to a connecting column (4) on one side, and the outer wall of the connecting column (4) is slidably connected to upper and lower symmetrical sliders (5). A spring (6) is provided on one side of the slider (5), one end of the spring (6) is fixedly connected to the side wall of the slider (5), and the other end is fixedly connected to the side wall of the fixed plate (3). Each slider (5) is rotatably connected to a connecting rod (7), and each connecting rod (7) is rotatably connected to a fixed block (8) on one side. A pressure-resistant block (9) is fixedly connected to one side of the fixed block (8). A limit component is provided on one side of the testing machine (1).

2. A steel structure weld detector according to claim 1, characterized in that: The limiting component includes a fixing frame (10) and a nut (11). One side of the fixing frame (10) is fixedly connected to the side wall of the testing machine (1), and one side of the nut (11) is fixedly connected to the side wall of the fixing frame (10).

3. A steel structure weld detector according to claim 2, characterized in that: The nut (11) is internally threaded with a screw (12), and a knob (13) is fixedly connected to one end of the screw (12).

4. A steel structure weld detector according to claim 3, characterized in that: The other end of the screw (12) is rotatably connected to a sliding block (14), and one side of the sliding block (14) is slidably connected inside the fixed frame (10).

5. A steel structure weld detector according to claim 4, characterized in that: A plurality of springs (15) are provided on one side of the sliding block (14). One end of each spring (15) is fixedly connected to the side wall of the sliding block (14), and the other end is fixedly connected to a support plate (16).

6. A steel structure weld detector according to claim 5, characterized in that: The support plate (16) is slidably connected to the inside of the fixed frame (10) on one side, and a limit ring (17) is fixedly connected to one side of the support plate (16).

7. A steel structure weld inspection instrument according to claim 6, characterized in that: The limiting ring (17) is semi-circular and made of rubber.