Pressure pipeline welding opening detection device

Abstract

The utility model relates to the technical field of welding detection, in particular to a pressure pipeline welding opening detection device which comprises a first limiting seat, the end portion of the first limiting seat is rotationally connected with a second limiting seat, and the inner side wall of the second limiting seat is movably connected with a first gear ring. Compared with a traditional pressure pipeline welding opening detection device, the pressure pipeline welding opening detection device is provided with a first limiting seat, a second limiting seat, a first gear ring, a second gear ring, a detection assembly, a servo motor and a driving wheel according to requirements; the detection assembly comprises a mounting block fixedly arranged on the inner side wall of a first gear ring and used for supporting and limiting the outer surfaces of an ultrasonic generator and a detection probe, a servo motor is started to drive a driving wheel to be matched with the first gear ring and a second gear ring, and a first limiting seat and a second limiting seat improve the rotation stability of the first gear ring and the second gear ring; therefore, the positions of the ultrasonic generator and the detection probe can be periodically adjusted conveniently, and the convenience and efficiency of multi-point detection positioning are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding detection technical field especially relates to a pressure pipeline welding joint detection device. BACKGROUND

[0002] Pipe pressure welding is a kind of welding technology for connecting pressure pipeline, and is widely used in industry, construction and other fields. Pipe pressure welding mainly includes resistance welding, friction welding, cold pressure welding, diffusion welding and the like. After pipe welding is completed, detection device needs to be used to check and test pipe welding joint and related parts to determine whether the welding quality meets the design requirements and relevant standards, so as to ensure the safety and reliability of pipe use.

[0003] The existing pressure pipeline welding joint detection device usually adopts ultrasonic detection or ray detection. The ultrasonic detection device usually includes ultrasonic generator and detection probe, the ultrasonic generator emits ultrasonic wave, when the ultrasonic wave propagates in pipe material, reflection and refraction occur when encountering different medium interfaces, when the ultrasonic wave enters welding joint, if there is defect such as crack, incomplete penetration and the like, ultrasonic wave will be reflected at defect interface because of the different acoustic impedance of defect and matrix material, part of ultrasonic wave returns to detection probe. The detection probe receives the reflected ultrasonic wave signal and converts it into electric signal, and the signal waveform and amplitude are displayed through external instrument, and the position, size and nature of defect are judged according to the time, amplitude and other characteristics of reflected signal.

[0004] In the use process of the existing pressure pipeline welding joint detection device, since the pipe welding joint is annular, the detection personnel usually manually adjust the position of ultrasonic generator and detection probe supported on the pipe welding joint to carry out detection, when the number of welding joints to be detected is large, the position adjustment of ultrasonic generator and detection probe is time-consuming and laborious, thereby affecting the detection efficiency of pipe welding joint. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that in the use process of the existing pressure pipeline welding joint detection device, since the pipe welding joint is annular, the detection personnel usually manually adjust the position of ultrasonic generator and detection probe supported on the pipe welding joint to carry out detection, when the number of welding joints to be detected is large, the position adjustment of ultrasonic generator and detection probe is time-consuming and laborious, thereby affecting the detection efficiency of pipe welding joint.

[0006] The utility model discloses a technical scheme for a pressure pipeline welding joint detection device, which comprises a first limiting seat, a second limiting seat rotatably connected to the end of the first limiting seat, a first tooth ring movably connected to the inner side wall of the second limiting seat, a second tooth ring movably connected to the inner side wall of the second limiting seat, a detection assembly provided on the inner side wall of the first tooth ring, the detection assembly comprising a mounting block fixedly arranged on the inner side wall of the first tooth ring, an ultrasonic generator fixedly arranged in the middle of the mounting block, a detection probe fixedly arranged on the side wall of the mounting block close to the ultrasonic generator, a servo motor fixedly arranged on the side wall of the first limiting seat, and a drive wheel fixedly arranged at the output end of the servo motor.

[0007] Preferably, a first slot is formed in the inner side wall of the first limiting seat for the sliding of the first tooth ring, a second slot is formed in the inner side wall of the second limiting seat for the sliding of the second tooth ring, the two ends of the first slot and the second slot are sequentially communicated, the external dimensions of the first tooth ring and the second tooth ring are respectively matched with the internal dimensions of the first slot and the second slot, and the stability of the rotation of the first tooth ring and the second tooth ring is improved.

[0008] Preferably, a third slot is formed in the side wall of the first limiting seat close to the drive wheel, the third slot and the first slot are communicated, the drive wheel and the first tooth ring are engaged, and the first tooth ring and the second tooth ring are both in the form of a semicircular ring and have the same external dimensions.

[0009] Preferably, a clamping block is fixedly arranged on the side wall of the first limiting seat, a clamping hoop is rotatably connected to the side wall of the second limiting seat close to the clamping block, the clamping block is in the form of L, the external dimension of the clamping hoop is matched with the internal dimension of the clamping block, and the stability of the butt joint of the first limiting seat and the second limiting seat is improved.

[0010] Preferably, the external dimensions of the first limiting seat and the second limiting seat are the same, the first limiting seat and the second limiting seat are symmetrically distributed, and the inner side of the mounting block is in the form of a circular arc and is matched with the internal dimensions of the first tooth ring and the second tooth ring.

[0011] Preferably, a storage battery is arranged in the interior of the mounting block, the ultrasonic generator and the detection probe are coupled, and a display screen is coupled to the output end of the detection probe.

[0012] The utility model discloses the beneficial effects of:

[0013] Compared with a traditional pressure pipeline welding interface detection device, by setting a first limiting seat, a first limiting seat, a first tooth ring, a second tooth ring, a detection assembly, a servo motor and a driving wheel according to the needs, the detection assembly comprises a mounting block fixed on the inner side wall of the first tooth ring for supporting the outer surface of the limiting ultrasonic generator and the detection probe, the servo motor is started to drive the driving wheel to cooperate with the first tooth ring and the second tooth ring, the first limiting seat and the second limiting seat improve the stability of the rotation of the first tooth ring and the second tooth ring, thereby facilitating the periodic adjustment of the position of the ultrasonic generator and the detection probe, thereby improving the convenience and efficiency of multi-point detection positioning; secondly, by setting the clamping block and the clamp, the outer dimension of the clamp is matched with the inner dimension of the clamping block, and the clamp is clamped in the clamping block to improve the stability of the butt joint of the first limiting seat and the second limiting seat. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 A pressure pipeline welding interface detection device overall three-dimensional structure schematic view of the utility model is shown;

[0015] Fig. 2 A pressure pipeline welding interface detection device first limiting seat structure schematic view of the utility model is shown;

[0016] Fig. 3 A pressure pipeline welding interface detection device second limiting seat structure schematic view of the utility model is shown;

[0017] Fig. 4 A pressure pipeline welding interface detection device first tooth ring structure schematic view of the utility model is shown.

[0018] The reference signs are explained: 1, first limiting seat; 2, second limiting seat; 3, first tooth ring; 4, second tooth ring; 5, detection assembly; 501, mounting block; 502, ultrasonic generator; 503, detection probe; 6, servo motor; 7, driving wheel; 8, first notch; 9, second notch; 10, clamping block; 11, clamp; 12, third notch. DETAILED DESCRIPTION

[0019] The utility model is further explained in combination with the drawings and examples.

[0020] Please refer to Figs. 1-4The utility model provides a pressure pipeline welding interface detection device, including first limit seat 1, the end of first limit seat 1 is hinged and is connected with second limit seat 2, the inner side wall of second limit seat 2 is movably connected with first gear ring 3, the inner side wall of second limit seat 2 is movably connected with second gear ring 4, and detection assembly 5 is arranged on the inner side wall of first gear ring 3, and detection assembly 5 includes mounting block 501 fixed by welding on the inner side wall of first gear ring 3, the middle of mounting block 501 is fixed with ultrasonic generator 502 by bolt, ultrasonic generator 502 can emit ultrasonic wave when being connected power supply, the side wall of mounting block 501 close to ultrasonic generator 502 is fixed with detection probe 503 by bolt, and detection probe 503 is used to detect reflected ultrasonic wave, the side wall of first limit seat 1 is fixed with servo motor 6 by bolt, the output of servo motor 6 is fixed with driving wheel 7 through coupling, and detection personnel can drive driving wheel 7 with first gear ring 3, second gear ring 4 is cooperated by starting servo motor 6, and the stability of rotation of first gear ring 3 and second gear ring 4 is improved by the support limit of first limit seat 1 and second limit seat 2, to facilitate the position of ultrasonic generator 502 and detection probe 503 to be adjusted periodically, to improve the convenience and efficiency of multi-point detection positioning.

[0021] Please refer to Figs. 1-4 The inner side wall of first limit seat 1 is provided with first slot 8 for the sliding of first gear ring 3, and the inner side wall of second limit seat 2 is provided with second slot 9 for the sliding of second gear ring 4, and the two ends of first slot 8 and second slot 9 are sequentially communicated, the external dimensions of first gear ring 3 and second gear ring 4 are respectively matched with the internal dimensions of first slot 8 and second slot 9, the stability of rotation of first gear ring 3 and second gear ring 4 is improved, the side wall of first limit seat 1 close to driving wheel 7 is provided with third slot 12, third slot 12 and first slot 8 are communicated, driving wheel 7 and first gear ring 3 are engaged, and first gear ring 3 and second gear ring 4 are both semicircular rings and have the same external dimensions.

[0022] Please refer to Figs. 1-3 The side wall of first limit seat 1 is fixed with clamping block 10, and the side wall of second limit seat 2 close to clamping block 10 is rotatably connected with clamping hoop 11, clamping block 10 is L-shaped, the external dimension of clamping hoop 11 is matched with the internal dimension of clamping block 10, and the stability of butt joint of first limit seat 1 and second limit seat 2 is improved.

[0023] Please refer to Figs. 3-4 The external dimensions of first limit seat 1 and second limit seat 2 are same, and first limit seat 1 and second limit seat 2 are symmetrically distributed, the inner side of mounting block 501 is circular arc-shaped and is matched with the internal dimensions of first gear ring 3 and second gear ring 4 respectively, the inside of mounting block 501 is provided with battery, ultrasonic generator 502 and detection probe 503 are coupled, and the output end of detection probe 503 is coupled with display screen.

[0024] In operation, first, the operator carries the device to the designated position, turns on the first limiting seat 1 and the second limiting seat 2, and then slides the first tooth ring 3 and the second tooth ring 4 into the first slot 8 and the second slot 9, respectively. Then, the operator sets the first limiting seat 1 and the second limiting seat 2 on the pipe welding interface, and then rotates the clamp 11 to clamp the clamp 10. Thus, the stability of the first limiting seat 1 and the second limiting seat 2 is improved. The first limiting seat 1 and the second limiting seat 2 are set on the outer surface of the first slot 8 and the second slot 9 to support the limiting, thereby improving the stability of the first limiting seat 1 and the second limiting seat 2. When detection is needed, the operator starts the ultrasonic generator 502 to emit ultrasonic waves, which propagate in the pipe material. When the ultrasonic waves encounter different medium interfaces, reflection and refraction occur. When the ultrasonic waves enter the welding joint, if there are defects such as cracks and incomplete welding, the ultrasonic waves will be reflected at the defect interface due to the difference in acoustic impedance between the defect and the matrix material. Part of the ultrasonic waves returns to the ultrasonic generator 502, which converts the reflected ultrasonic wave signal into an electrical signal and displays the signal waveform and amplitude on the external display screen. The detector determines the position, size, and nature of the defect according to the time and amplitude of the reflected signal. During detection, the operator starts the servo motor 6 to drive the drive wheel 7 to rotate, which improves the convenience of adjusting the position of the detection assembly 5, thereby reducing the difficulty of adjusting the position of the operator and improving the convenience and efficiency of multi-point detection positioning.

[0025] Through the above steps, the first limiting seat 1, the first limiting seat 1, the first tooth ring 3, the second tooth ring 4, the detection assembly 5, the servo motor 6, and the drive wheel 7 are set according to the requirements. The detection assembly 5 includes the mounting block 501 fixed on the inner side wall of the first tooth ring 3 to support the outer surface of the ultrasonic generator 502 and the detection probe 503. The operator starts the servo motor 6 to drive the drive wheel 7 to cooperate with the first tooth ring 3 and the second tooth ring 4. The first limiting seat 1 and the second limiting seat 2 improve the stability of the first tooth ring 3 and the second tooth ring 4 by supporting the limiting, thereby facilitating the periodic adjustment of the position of the ultrasonic generator 502 and the detection probe 503, and improving the convenience and efficiency of multi-point detection positioning.

Claims

1. A pressure pipeline welding joint detection device, comprising a first limiting seat (1); characterized in that: The end of the first limiting seat (1) is rotationally connected with the second limiting seat (2), the inner side wall of the second limiting seat (2) is movably connected with the first tooth ring (3), the inner side wall of the second limiting seat (2) is movably connected with the second tooth ring (4), the inner side wall of the first tooth ring (3) is provided with a detection assembly (5), the detection assembly (5) comprises a mounting block (501) fixed on the inner side wall of the first tooth ring (3), the middle of the mounting block (501) is fixed with an ultrasonic generator (502), the side wall of the mounting block (501) close to the ultrasonic generator (502) is fixed with a detection probe (503), the side wall of the first limiting seat (1) is fixed with a servo motor (6), and the output end of the servo motor (6) is fixed with a driving wheel (7).

2. A pressure pipe weld inspection apparatus according to claim 1, characterised in that: The inner side wall of the first limiting seat (1) is provided with a first slot (8) for sliding the first tooth ring (3), the inner side wall of the second limiting seat (2) is provided with a second slot (9) for sliding the second tooth ring (4), and the two ends of the first slot (8) and the second slot (9) are communicated in sequence, and the outer dimensions of the first tooth ring (3) and the second tooth ring (4) are matched with the inner dimensions of the first slot (8) and the second slot (9) respectively.

3. A pressure pipe weld inspection apparatus according to claim 2, characterised in that: The side wall of the first limiting seat (1) close to the driving wheel (7) is provided with a third slot (12), the third slot (12) and the first slot (8) are communicated, the driving wheel (7) and the first tooth ring (3) are engaged, and the first tooth ring (3) and the second tooth ring (4) are both semicircular rings and have the same outer dimensions.

4. A pressure pipe weld inspection apparatus according to claim 1, wherein: The side wall of the first limiting seat (1) is fixed with a clamping block (10), the side wall of the second limiting seat (2) close to the clamping block (10) is rotationally connected with a clamping hoop (11), the clamping block (10) is L-shaped, and the outer dimension of the clamping hoop (11) is matched with the inner dimension of the clamping block (10).

5. A pressure pipe weld inspection apparatus according to claim 1, wherein: The outer dimensions of the first limiting seat (1) and the second limiting seat (2) are the same, the first limiting seat (1) and the second limiting seat (2) are symmetrically distributed, and the inner side of the mounting block (501) is arc-shaped and matched with the inner dimensions of the first tooth ring (3) and the second tooth ring (4) respectively.

6. A pressure pipe weld inspection apparatus according to claim 1, wherein: The inside of the mounting block (501) is provided with a battery, the ultrasonic generator (502) and the detection probe (503) are coupled, and the output end of the detection probe (503) is coupled with a display screen.

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