Phased array welding seam automatic detection device

Abstract

The utility model discloses an automatic phased array welding seam detection device which comprises a movable chassis, a rotating ring is arranged on the movable chassis, a phased array ultrasonic detector is arranged on the inner wall of the rotating ring, driving wheels are symmetrically arranged on the movable chassis, the driving wheels are in contact with the outer wall of an object to be detected, and the phased array ultrasonic detector is arranged on the inner wall of the rotating ring. And a bearing plate is arranged on the outer wall of the upper side of the movable chassis. According to the automatic detection device for the phased array welding seam, the phased array ultrasonic detector circumferentially rotates around the outer wall of the object to be detected to detect the welding seam, when other welding seams are detected, the driving wheel rotates to drive the movable chassis to move to the position of the next welding seam, and a new round of detection is carried out on the welding seam, so that the detection efficiency is greatly improved. Therefore, the workload of manually moving the device or replacing the position can be saved, multiple welding seams of the whole to-be-detected object can be detected through one-time connection, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of weld detection technology, specifically relates to a phased array weld automatic detection device. BACKGROUND

[0002] As an advanced nondestructive testing technology, phased array ultrasonic testing technology can greatly improve the detection efficiency, and can realize the simplification of the detection mechanism by replacing mechanical scanning with electronic scanning, therefore, the phased array detection technology is very suitable for the detection of complex structures, and has a good application scene in the detection of welds

[0003] The application number: CN202321171330.8 the application proposes a kind of phased array weld automatic detection device, by installing tightening band to provide detection path for probe, but there is usually not only one weld on the object to be detected, when detecting multiple welds, usually need to adjust multiple times to carry out new round of detection, in this way, the efficiency of detection is lower, and the workload required by manual adjustment is larger, it is not conducive to the detection work of multiple welds of the same object to be detected.

[0004] To sum up, the above technical problems should be solved, to improve the detection efficiency of weld, reduce the workload of manual. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of phased array weld automatic detection device, to solve the problem that multiple welds cannot be detected, leading to the low efficiency of weld detection and the large workload of workers.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of phased array weld automatic detection device, including mobile chassis, the mobile chassis is provided with rotating ring, the inner wall of the rotating ring is provided with phased array ultrasonic detector, the mobile chassis is symmetrically provided with driving wheel, the driving wheel is touched with the outer wall of the object to be detected, the outer wall of the mobile chassis upside is provided with support plate.

[0007] Preferably, the mobile chassis is provided with mounting groove, the driving gear is rotatably installed in the mounting groove, the outer wall of the rotating ring is provided with the tooth opening in the form of circumferential array, the driving gear is engaged with the tooth opening, and the driving motor is fixedly installed at one end of the driving gear.

[0008] Preferably, the rotating ring and the phased array ultrasonic detector are provided with electric telescopic rod, the outer wall of the rotating ring relative to both sides is provided with guide slot, the mobile chassis is symmetrically provided with fixed rod about the outer wall of the driving ring relative to both sides, the outer wall of the fixed rod near one side is provided with guide rod, and the guide rod is slidably installed in the guide slot.

[0009] Preferably, the mobile chassis is provided with an extension rod at each end, the extension rod is obliquely arranged, and one end of the extension rod is provided with an adjusting port, the driving wheel is provided with an adjusting rod, the adjusting rod is slidingly installed in the adjusting port, a top spring is arranged between the adjusting port and the adjusting rod, and the driving wheel is provided with a driving power supply.

[0010] Preferably, the driving wheel is located obliquely above the object to be detected and is inclined towards the side close to the object to be detected.

[0011] Preferably, the mobile chassis is provided with a mounting hole, a threaded seat is rotatably installed in the mounting hole, and the outer wall of the lower side of the supporting plate is provided with a threaded rod, which is screwedly installed in the threaded seat.

[0012] Preferably, the mobile chassis is provided with a rotating wheel, and the rotating wheel is symmetrically arranged about the rotating ring.

[0013] The technical effects and advantages of the utility model are as follows: the two ends of the object to be detected are lifted to a certain height and fixed in a circular shape, the mobile chassis is driven to move, the rotating ring is sleeved on the outer wall of the object to be detected, the phased array ultrasonic detector is adjusted to contact the outer wall of the object to be detected by the electric telescopic rod, the driving gear is driven to rotate, the rotating ring is driven to rotate by the toothed port, and then the phased array ultrasonic detector rotates circumferentially along the outer wall of the object to be detected, the weld is detected, when there are multiple welds on the same object to be detected, the driving wheel is rotated to drive the mobile chassis to move until the position of the next weld, and the weld is detected again, so that the workload of manually moving the device or replacing the position can be saved, the multiple welds of the object to be detected can be detected by one connection, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a mobile chassis cross-sectional structure schematic view of the utility model;

[0016] Figure 3 It is an adjusting port internal structure schematic view of the utility model;

[0017] Figure 4 It is a threaded rod installation schematic view of the utility model.

[0018] In the figure: 1, mobile chassis; 2, rotating ring; 3, phased array ultrasonic detector; 4, drive wheel; 5, support plate; 6, mounting groove; 7, drive gear; 8, tooth opening; 9, guide groove; 10, fixed rod; 11, guide rod; 12, extension rod; 13, adjusting port; 14, adjusting rod; 15, top spring; 16, mounting hole; 17, threaded seat; 18, threaded rod; 19, rotating wheel. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The utility model provides a kind of phased array weld automatic detection device as shown in Figures 1-4 In the figure: 1, mobile chassis; 2, rotating ring; 3, phased array ultrasonic detector; 4, drive wheel; 5, support plate; 6, mounting groove; 7, drive gear; 8, tooth opening; 9, guide groove; 10, fixed rod; 11, guide rod; 12, extension rod; 13, adjusting port; 14, adjusting rod; 15, top spring; 16, mounting hole; 17, threaded seat; 18, threaded rod; 19, rotating wheel. First, the two ends of the object to be detected are lifted to a certain height and fixed by the circular shape, then the mobile base is placed under the object to be detected, the drive wheel 4 provided on the mobile chassis 1 will automatically adjust the relative position of the drive wheel 4 under the cooperation of the spring and the adjusting rod 14, so that it is in contact with the outer wall of the object to be detected, after driving the drive wheel 4 to rotate, the device as a whole can be moved, and the rotating ring 2 is sleeved on the outer wall of the object to be detected, the phased array ultrasonic detector 3 is adjusted to contact the outer wall of the object to be detected by the electric telescopic rod, and then the weld detection can be carried out, the drive power is started to drive the drive gear 7 to rotate, the rotating ring 2 is driven to rotate by the tooth opening 8, and the phased array ultrasonic detector 3 rotates around the outer wall of the object to be detected, and the weld detection is carried out, when there are multiple welds on the same object to be detected, the drive wheel 4 can be rotated to drive the mobile chassis 1 to move until the position of the next weld, and a new round of detection of the weld is carried out, in this way, the workload of manually moving the device or changing the position can be saved, and the multiple welds of the entire object to be detected can be detected by one connection, and the detection efficiency is improved.

[0021] Specifically, the mobile chassis 1 is provided with a mounting groove 6, the driving gear 7 is rotatably installed in the mounting groove 6, the outer wall of the rotating ring 2 is provided with a circumferential array of toothed openings 8, the driving wheel 4 is engaged with the toothed openings 8, and one end of the driving wheel 4 is fixedly installed with a driving motor. The electric telescopic rod is arranged between the rotating ring 2 and the phased array ultrasonic detector 3, the outer wall of the rotating ring 2 is provided with a guide groove 9 on opposite sides, the fixed rod 10 is symmetrically arranged on the mobile chassis 1 relative to the rotating ring 2, the guide rod 11 is arranged on the fixed rod 10 and is slidably installed in the guide groove 9. The mounting groove 6 arranged on the mobile chassis 1 is used to install the driving gear 7, and the driving gear 7 is connected with the driving motor to ensure that the driving gear 7 can provide power for the rotation of the rotating ring 2, the guide groove 9 is arranged on the outer wall of the rotating ring 2, when the rotating ring 2 drives the phased array ultrasonic detector 3 to rotate for weld detection, the relative position of the rotating ring 2 can be limited by the fixed rod 10 arranged on the mobile chassis 1, and the guide rod 11 is arranged to make the rotating ring 2 always rotate at a predetermined position, thereby achieving the purpose of driving the phased array ultrasonic detector 3 to rotate circumferentially; wherein the pressure sensor is arranged on the rotating ring 2, one end of the electric telescopic rod is fixedly connected with the rotating ring 2, and the output end is fixedly connected with the phased array ultrasonic detector 3, when the position of the phased array ultrasonic detector 3 is adjusted according to the diameter of the object to be detected, the phased array ultrasonic detector 3 can be contacted with the outer wall of the object to be detected by cooperation of the pressure sensor and the electric telescopic rod, and the data of the pressure sensor can avoid too tight connection and cause inconvenience for detection.

[0022] Specific, the two ends of the mobile chassis 1 are provided with extension rods 12, the extension rods 12 are inclined to be provided, and one end of the extension rods 12 is provided with an adjusting port 13, the driving wheels 4 are provided with adjusting rods 14, the adjusting rods 14 are slidingly installed in the adjusting port 13, the adjusting port 13 and the adjusting rod 14 are provided with a top spring 15, and the driving wheels 4 are provided with a driving power source. The mobile chassis 1 is provided with rotating wheels 19, and the rotating wheels 19 are symmetrically arranged about the rotating ring 2. The driving wheels 4 are located obliquely above the object to be detected, and are inclined to the side close to. The mobile chassis 1 is provided with mounting holes 16, the threaded seats 17 are rotatably installed in the mounting holes 16, the outer walls of the lower sides of the supporting plates 5 are provided with threaded rods 18, and the threaded rods 18 are threadedly installed in the threaded seats 17. The mobile chassis 1 is provided with extension rods 12, the driving wheels 4 are slidingly installed in the adjusting ports 13 provided on the extension rods 12, and the adjusting ports 13 are rectangular grooves. When the object to be detected moves with the mobile chassis 1, the top spring 15 will drive the driving wheels 4 to closely contact the outer wall of the object to be detected, and under the energy supply of the driving power source, the rotating driving mobile chassis 1 moves until the phased array ultrasonic detector 3 provided on the rotating ring 2 is aligned with the weld, and the detection is performed. When the weld is changed, the driving wheels 4 can be rotated to drive the mobile chassis 1 to move to the position of the next weld, and a new round of detection is performed. In order to ensure the moving effect of the mobile chassis 1 driven by the driving wheels 4, the driving wheels 4 are located in the forward direction and the end direction of the mobile chassis 1, and structures for increasing friction, such as rubber sleeves, rubber blocks, etc. are arranged on the outer walls of the driving wheels 4. The oppositely arranged driving wheels 4 are always located obliquely above the object to be detected, so that the driving wheels 4 can maintain stable connection with the object to be detected during movement, and the moving effect of the mobile chassis 1 is ensured. Before the mobile chassis 1 moves, the supporting plate 5 is also provided, and the height of the supporting plate 5 can be adjusted by rotating the threaded seat 17 to drive the threaded rod 18 to ascend or descend, so that the height of the supporting plate 5 is matched with the pipe diameter of the object to be detected, and the use is facilitated.

[0023] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A phased array weld seam automatic detection apparatus, characterized by: Including mobile chassis (1), be provided with rotating ring (2) on mobile chassis (1), the inner wall of rotating ring (2) is provided with phased array ultrasonic detector (3), mobile chassis (1) is provided with drive wheel (4) symmetrically, drive wheel (4) is touched with the outer wall of object to be detected, the outer wall of mobile chassis (1) upside is provided with support plate (5).

2. A phased array weld seam automatic detection device according to claim 1, characterized in that: The mounting groove (6) is set up in the mobile chassis (1), the drive gear (7) is rotatably installed in the mounting groove (6), the outer wall of rotating ring (2) is provided with the tooth (8) of circumferential array, the drive gear (7) is engaged with the tooth (8), one end of drive gear (7) is fixedly installed with drive motor.

3. A phased array weld seam automatic detection device according to claim 2, characterized in that: The electric telescopic rod is arranged between the rotating ring (2) and the phased array ultrasonic detector (3), the outer wall of the opposite sides of the rotating ring (2) is provided with the guide groove (9), the fixed rod (10) is symmetrically arranged on the mobile chassis (1) about the rotating ring (2), the guide rod (11) is arranged on the fixed rod (10), and the guide rod (11) is slidably installed in the guide groove (9).

4. The phased array weld seam automatic detection device of claim 1, wherein: The extension rod (12) is arranged at both ends of the mobile chassis (1), the extension rod (12) is arranged obliquely, and one end of the extension rod (12) is provided with an adjusting port (13), the adjusting rod (14) is arranged on the drive wheel (4), the adjusting rod (14) is slidably installed in the adjusting port (13), the top spring (15) is arranged between the adjusting port (13) and the adjusting rod (14), and the drive power is arranged on the drive wheel (4).

5. A phased array weld seam automatic detection device according to claim 3, characterized in that: The drive wheel (4) is located obliquely above the object to be detected, and is inclined to the side close to.

6. A phased array seam automatic detection device according to claim 1, characterized in that: The mounting hole (16) is arranged on the mobile chassis (1), the threaded seat (17) is rotatably installed in the mounting hole (16), the outer wall of the lower side of the support plate (5) is provided with the threaded rod (18), and the threaded rod (18) is screwedly installed in the threaded seat (17).

7. The phased array seam automatic detection device of claim 1, wherein: The rotating wheel (19) is arranged on the mobile chassis (1), and the rotating wheel (19) is symmetrically arranged about the rotating ring (2).

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