Walking device based on stable lift-off of electromagnetic ultrasonic detection probe

Abstract

The utility model discloses a walking device based on stable lift-off of an electromagnetic ultrasonic detection probe, relates to the technical field of electromagnetic ultrasonic detection probes, and aims to solve the problem of unstable performance caused by larger magnetism and inconvenience in movement of a permanent magnet during detection. A mounting groove is formed in the mounting seat, a vertical hole is formed in the mounting groove, the detection probe is arranged in the mounting groove, rotating shafts are mounted at the two ends of the mounting seat respectively, and pulleys are rotationally mounted on the rotating shafts respectively; clamping structures are mounted on the mounting base, the number of the clamping structures is two, and the clamping structures are symmetrically distributed on the two sides with the center line of the mounting base as the center; the clamping structure comprises a vertical plate, a turntable and a rubber ball; the vertical plate is mounted on the mounting seat, the rotating disc is rotatably mounted on the vertical plate through a pin shaft, and the rubber ball is mounted on the rotating disc and abuts against the detection probe.

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic ultrasonic testing probes, specifically a walking device based on the stable lifting of an electromagnetic ultrasonic testing probe. Background Technology

[0002] Stress is the driving force behind equipment damage developing into failure. In the field of industrial equipment, fatigue-resistant manufacturing is the future development direction of high-end manufacturing, the core of which is to avoid and eliminate stress concentration. Stress concentration scanning and control are particularly important for large-scale equipment and critical storage and transportation equipment. By identifying stress concentration areas through stress scanning, targeted stress relief treatments can be carried out to reduce the generation of defects and prevent damage propagation leading to failure. By screening key potential hazard areas through stress scanning, the defect detection rate can be improved in a targeted manner.

[0003] Electromagnetic ultrasonic technology, as a non-destructive testing method, is applied to stress detection in equipment. Utilizing the principle of electromagnetic induction, ultrasonic signals are introduced into the material, and stress information within the material is obtained by measuring changes in the echo signal. To achieve high sensitivity and high resolution, the probe needs to use a permanent magnet and maintain a stable distance (lift height) from the workpiece surface. However, the strong magnetism of the permanent magnet during testing makes movement difficult and leads to performance instability. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a walking device based on the stable lifting of an electromagnetic ultrasonic testing probe, thereby solving the problem mentioned in the background technology where the strong magnetism of the permanent magnet makes movement inconvenient and performance unstable during testing.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a walking device based on the stable lifting of an electromagnetic ultrasonic detection probe, including a mounting base and a detection probe. The mounting base has a mounting groove and a vertical hole. The detection probe is placed in the mounting groove. Rotating shafts are respectively installed at both ends of the mounting base, and pulleys are rotatably installed on the rotating shafts.

[0006] The mounting base is equipped with two clamping structures, which are symmetrically distributed on both sides with the center line of the mounting base as the center.

[0007] The clamping structure includes a vertical plate, a turntable, and a rubber ball;

[0008] The upright plate is mounted on the mounting base, the turntable is rotatably mounted on the upright plate via a pin, the rubber ball is mounted on the turntable, and the rubber ball is pressed against the detection probe.

[0009] Preferably, the rotating shaft is mounted on the mounting base via a snap-fit ​​structure. The snap-fit ​​structure is correspondingly arranged to the rotating shaft. The snap-fit ​​structure includes a slot and a block. The slot is formed on the mounting base, and the block is mounted on the rotating shaft and snaps into the slot.

[0010] Preferably, a U-shaped elastic element is installed inside the card block, and the U-shaped elastic element is configured correspondingly to the card block.

[0011] Preferably, rubber blocks are installed on both sides of the mounting groove, and the rubber blocks contact the side wall of the detection probe.

[0012] Preferably, grooves are provided on both sides of the mounting groove, and the rubber blocks are respectively installed in the grooves.

[0013] Preferably, arc-shaped blocks are installed on both sides of the U-shaped elastic element, and arc-shaped grooves are opened on both sides of the locking block, with the arc-shaped blocks locking into the arc-shaped grooves.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] An external device drives the detection probe into the mounting slot on the mounting base. When inspecting the workpiece surface, the device drives the detection probe to move the mounting base, causing the pulley to rotate on the mounting base via a shaft and travel along the workpiece surface. Using this method, when performing electromagnetic ultrasonic stress testing on the equipment, the distance between the electromagnetic ultrasonic probe and the workpiece surface can be stabilized through the traveling device. It also facilitates probe movement during testing, achieving convenient and efficient scanning while protecting the probe material from damage. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the mounting groove, recess, and rubber block structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the mounting base, rotating shaft, and pulley structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the card block, U-shaped elastic tip and arc block of this utility model.

[0020] in:

[0021] 1-Mounting base; 2-Mounting groove; 3-Vertical hole; 4-Arc groove; 5-Detection probe; 6-Rotating shaft; 7-Pulley; 8-Groove; 9-Rubber block; 10-Snap-fit ​​structure; 11-Snap slot; 12-Snap block; 13-U-shaped elastic element; 14-Arc block; 15-Clamping structure; 16-Upright plate; 17-Turntable; 18-Rubber ball. Detailed Implementation

[0022] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0023] All components of this utility model are general standard parts or parts known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods.

[0024] See Figure 1-4 This is a schematic diagram of the structure of this utility model. An embodiment of this utility model provides a walking device based on the stable lifting of an electromagnetic ultrasonic detection probe, including a mounting base 1 and a detection probe 5. The mounting base 1 has a mounting groove 2 and a vertical hole 3. The detection probe 5 is placed in the mounting groove 2. Rotating shafts 6 are respectively installed at both ends of the mounting base 1, and pulleys 7 are rotatably installed on the rotating shafts 6.

[0025] The mounting base 1 is equipped with two clamping structures 15, which are symmetrically distributed on both sides with the center line of the mounting base 1 as the center.

[0026] The clamping structure 15 includes a vertical plate 16, a turntable 17, and a rubber ball 18;

[0027] The upright plate 16 is mounted on the mounting base 1, the turntable 17 is rotatably mounted on the upright plate 16 via a pin, the rubber ball 18 is mounted on the turntable 17, and the rubber ball 18 is pressed against the detection probe 5.

[0028] It should be noted that in this embodiment, the shaft 6 and the pulley 7 are fitted with a clearance, and the clearance distance is 0.1-0.2mm. The small clearance distance facilitates the pulley 7 to rotate along the shaft 6 and allows for stable rotation. All materials used except for the detection probe 5 are high-strength polytetrafluoroethylene plastic. After the detection probe 5 is installed in the mounting groove 2, the distance between the bottom of the probe and the workpiece surface in contact with the pulley 7 is 0.5mm.

[0029] Specifically, during use, external equipment drives the detection probe 5 into the mounting groove 2 on the mounting base 1, causing the turntable 17 to rotate inward on the vertical plate 16 via a pin, so that the rubber ball 18 presses against the detection probe 5, fixing the detection probe 5 in the mounting groove 2 on the mounting base 1. When inspecting the workpiece surface, the equipment drives the detection probe 5 to move the mounting base 1, causing the pulley 7 to rotate on the mounting base 1 via the rotating shaft 6, moving along the workpiece surface. Using this method, when performing electromagnetic ultrasonic stress testing on the equipment, the distance between the electromagnetic ultrasonic probe and the workpiece surface can be stabilized through the walking device, which also facilitates probe movement during testing, achieving convenient and efficient scanning, while protecting the probe material from damage.

[0030] The rotating shaft 6 is mounted on the mounting base 1 via a snap-fit ​​structure 10. The snap-fit ​​structure 10 is correspondingly set to the rotating shaft 6. The snap-fit ​​structure 10 includes a slot 11 and a block 12. The slot 11 is opened on the mounting base 1, and the block 12 is installed on the rotating shaft 6. The block 12 is snapped into the slot 11. A U-shaped elastic element 13 is installed in the block 12. The U-shaped elastic element 13 is correspondingly set to the block 12. Arc-shaped blocks 14 are installed on both sides of the U-shaped elastic element 13. Arc-shaped grooves 4 are opened on both sides of the block 12. The arc-shaped blocks 14 are snapped into the arc-shaped grooves 4.

[0031] Rubber blocks 9 are installed on both sides of the mounting groove 2. The rubber blocks 9 contact the side wall of the detection probe 5. Grooves 8 are opened on both sides of the mounting groove 2, and the rubber blocks 9 are installed in the grooves 8 respectively.

[0032] It should be noted that, in this embodiment, all structural materials mentioned except for the rubber block 9 are made of high-strength polytetrafluoroethylene plastic. The length of the rubber block 9 is 1-2 mm longer than that of the groove 8, and the U-shaped elastic element 13 increases the elasticity of the locking block 12.

[0033] Specifically, during use, when the detection probe 5 is placed into the mounting groove 2 on the mounting base 1, the rubber block 9 is compressed into the groove 8. The rubber block 9 increases the friction between the detection probe 5 and the mounting groove 2, preventing it from falling off when lifted. This allows the U-shaped elastic element 13 to be placed into the locking block 12, and the arc-shaped block 14 to be locked into the arc groove 4, fixing the U-shaped elastic element 13 in the locking block 12. The locking block 12 is then locked into the locking groove 11 on the mounting base 1, allowing the pulley 7 to be installed on the mounting base 1. Conversely, the damaged pulley 7 can be removed and replaced.

[0034] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0035] The working process and principle of this utility model are as follows: In use, the U-shaped elastic element 13 is manually placed into the locking block 12, causing the arc-shaped block 14 to engage with the arc-shaped groove 4, thus fixing the U-shaped elastic element 13 within the locking block 12. The locking block 12 then engages with the slot 11 on the mounting base 1, allowing the pulley 7 to be mounted on the mounting base 1. Conversely, a damaged pulley 7 can be removed and replaced. When the detection probe 5 is placed into the mounting groove 2 on the mounting base 1, the rubber block 9 is compressed into the groove 8. The rubber block 9 increases the friction between the detection probe 5 and the mounting groove 2, preventing it from falling off during lifting. Simultaneously, the turntable 17 rotates inward on the vertical plate 16 via a pin, causing the rubber ball 18 to press firmly against the detection probe 5. This method makes the detection probe 5 more stable when fixed in the mounting groove 2 on the mounting base 1. During the detection, the external equipment drives the detection probe 5 to move the mounting base 1 while the external equipment is inspecting the workpiece surface. This causes the pulley 7 to rotate on the mounting base 1 via the rotating shaft 6 and travel along the workpiece surface. By using this method, the distance between the electromagnetic ultrasonic probe and the workpiece surface can be stabilized through the walking device when the equipment is performing electromagnetic ultrasonic stress testing. It also facilitates the movement of the probe during the detection, achieving the purpose of convenient and efficient scanning. At the same time, it protects the probe material from damage (the load-bearing capacity of the detection probe 5 is not on the mounting base 1, but there is an upward traction force from the external equipment, and the mounting base 1 is only an auxiliary structure).

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A walking device based on stable lift-off of an electromagnetic acoustic detection probe, comprising a mounting seat (1) and a detection probe (5), characterized in that: The mounting seat (1) is provided with a mounting groove (2), the mounting groove (2) is provided with a vertical hole (3), the detection probe (5) is placed in the mounting groove (2), and the both ends of the mounting seat (1) are respectively provided with a rotating shaft (6), and the rotating shaft (6) is respectively provided with a pulley (7) rotatably installed on it. The mounting seat (1) is provided with a clamping structure (15), the number of the clamping structure (15) is two, and the clamping structure (15) is symmetrically distributed on both sides of the center line of the mounting seat (1); The clamping structure (15) comprises a vertical plate (16), a rotating disc (17) and a rubber ball (18); The vertical plate (16) is installed on the mounting seat (1), the rotating disc (17) is rotatably installed on the vertical plate (16) through a pin shaft, the rubber ball (18) is installed on the rotating disc (17), and the rubber ball (18) abuts against the detection probe (5).

2. The walking device based on the stable lift-off of an electromagnetic acoustic detection probe according to claim 1, characterized in that: The rotating shaft (6) is installed on the mounting seat (1) through a clamping structure (10), the clamping structure (10) is arranged in correspondence with the rotating shaft (6), the clamping structure (10) comprises a clamping groove (11) and a clamping block (12), the clamping groove (11) is arranged on the mounting seat (1), and the clamping block (12) is arranged on the rotating shaft (6).

3. The walking device based on the stable lift-off of an electromagnetic acoustic detection probe according to claim 2, characterized in that: The clamping block (12) is provided with a U-shaped elastic piece (13) arranged in the clamping block (12).

4. The walking device based on the stable lift-off of an electromagnetic acoustic detection probe according to claim 1, characterized in that: The mounting groove (2) is provided with a rubber block (9) arranged on both sides, and the rubber block (9) is in contact with the side wall of the detection probe (5).

5. The walking device based on the stable lift-off of an electromagnetic acoustic detection probe according to claim 4, characterized in that: The mounting groove (2) is provided with a recess (8) arranged on both sides, and the rubber block (9) is arranged in the recess (8).

6. The walking device based on the stable lift-off of an electromagnetic acoustic detection probe according to claim 3, characterized in that: The U-shaped elastic piece (13) is provided with an arc-shaped block (14) arranged on both sides, and the clamping block (12) is provided with an arc-shaped groove (4) arranged on both sides, and the arc-shaped block (14) is clamped in the arc-shaped groove (4).

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