Flaw detection device for stainless steel welded pipeline

Abstract

The utility model discloses a stainless steel welded pipeline flaw detection device which comprises a workbench and a stainless steel pipeline, the outer wall of the workbench is fixedly connected with a support, the top end of the workbench is fixedly connected with a stand column, the outer wall of the support is provided with an adjusting device, the outer wall of the support is fixedly connected with a bearing plate, and the bearing plate is fixedly connected with the stainless steel pipeline. The top end of the bearing plate is fixedly connected with a motor, the output shaft penetrates through and is rotationally connected into the support, the motor drives the output shaft to rotate, the output shaft rotates to drive a rotating disc to rotate, the rotating disc drives a fixing block to rotate through a connecting rod, and the fixing block drives a first ultrasonic detection probe to rotate on the inner wall of the stainless steel pipeline. The inner wall of the stainless steel pipeline is comprehensively detected, a rotating disc drives a sliding block to move on the inner wall of a sliding rail through a fixing rod, the sliding block moves to drive a second ultrasonic detection probe to surround the outer wall of the stainless steel pipeline to do circular motion, the detection effect on the stainless steel pipeline is further improved, and the practicability of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical fields, specifically is a kind of stainless steel welded pipeline flaw detection device. BACKGROUND

[0002] During the laying of stainless steel pipeline, the welding method can be used to connect the stainless steel pipeline. The joint formed during the welding process for connecting the pipeline is called a weld. Since the weld often has defects, it is necessary to detect the pipeline to detect the weld defects and avoid safety accidents.

[0003] Publication No. CN220207532U discloses a pipeline flaw detection positioning device, comprising a horizontal plate, a slide is provided on the horizontal plate, two sliding blocks are installed in the slide, two clamps are installed on the two sliding blocks, pulleys are provided on the two clamps, a sliding control assembly is provided in the slide to control the forward or reverse movement of the two sliding blocks, a support plate is provided above the slide, an electric telescopic rod is provided on the support plate, and a mounting connector for installing an ultrasonic probe is provided at the top of the electric telescopic rod. The sliding blocks installed on the horizontal plate can move forward or backward, and the clamps and pulleys are provided on the sliding blocks to assist in positioning the ultrasonic probe provided on the horizontal plate. Push the handrail provided on the horizontal plate to make the pulley slide along the pipeline to be detected, which is convenient and labor-saving. Springs and elastic sheets are provided in the mounting connector of the ultrasonic probe, which makes the movement of the ultrasonic probe smooth and not jammed when the weld is uneven.

[0004] In the above technical solution, the ultrasonic probe located at the bottom is used to detect the pipeline, and the detection position is relatively single, which makes it difficult to detect other positions of the pipeline, and only the outside of the pipeline can be detected, making it difficult to detect the inside of the pipeline. Utility model content

[0005] The utility model aims to provide a kind of stainless steel welded pipeline flaw detection device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of stainless steel welded pipeline flaw detection device, including workbench and stainless steel pipeline, the outer wall of the workbench is fixedly connected with support, the top of the workbench is fixedly connected with stand, the outer wall of the support is provided with adjusting device, the outer wall of the support is fixedly connected with receiving plate, the top of the receiving plate is fixedly connected with motor, the outer wall of the motor is fixedly connected with output shaft, the output shaft is penetrated and rotationally connected in the interior of support, the output shaft is fixedly connected with rotating disc at the end away from motor.

[0007] As a further preferred of the technical solution, the rotating disc is rotatably connected to the outer wall of the support near one end of the output shaft, and the outer wall of the rotating disc is fixedly connected with a connecting rod, and one end of the connecting rod away from the rotating disc is fixedly connected with a fixed block.

[0008] As a further preferred of the technical solution, the bottom end of the fixed block is fixedly connected with a first ultrasonic detection probe, the top end of the workbench is fixedly connected with a connecting block, and the top end of the connecting block is fixedly connected with a fixed ring.

[0009] As a further preferred of the technical solution, the inner wall of the fixed ring is provided with a sliding rail, the inner wall of the sliding rail is slidably connected with a sliding block, the bottom end of the sliding block is fixedly connected with a second ultrasonic detection probe, the outer wall of the sliding block is fixedly connected with a fixed rod, and one end of the fixed rod away from the sliding block is fixedly connected to the outer wall of the rotating disc.

[0010] As a further preferred of the technical solution, the outer wall of the stand is provided with a fixing device, the outer wall of the stand is fixedly connected with a connecting arm, and one end of the connecting arm away from the stand is fixedly connected with a connecting ring.

[0011] As a further preferred of the technical solution, the inner wall of the connecting ring is provided with a movable cavity, the inner wall of the movable cavity is slidably connected with an arc-shaped clamping plate, the outer wall of one end of the arc-shaped clamping plate inside the movable cavity is fixedly connected with a spring, and one end of the spring away from the arc-shaped clamping plate is fixedly connected with the inner wall of the movable cavity.

[0012] As a further preferred of the technical solution, the outer wall of one end of the arc-shaped clamping plate outside the movable cavity is provided with a movable groove, and the inner wall of the movable groove is rotatably connected with a rotating roller.

[0013] The utility model provides a kind of stainless steel welded pipeline flaw detection device, with the following beneficial effects:

[0014] (1) the utility model discloses a motor drives output shaft to rotate, and the output shaft drives rotating disc to rotate, and the rotating disc drives fixed block to rotate by connecting rod, and the fixed block drives first ultrasonic detection probe to rotate on the inner wall of stainless steel pipeline, and the inner wall of stainless steel pipeline is detected comprehensively, and the rotating disc drives sliding block to move on the inner wall of sliding rail by fixed rod, and the sliding block drives second ultrasonic detection probe to make circular motion around the outer wall of stainless steel pipeline, to further improve the detection effect of stainless steel pipeline, greatly increase the practicability of device.

[0015] (2) the utility model discloses that when arc-shaped clamping plate is extruded to extrude spring, arc-shaped clamping plate moves in the inside of movable cavity, and spring is extruded and provides a counter-supporting force to arc-shaped clamping plate by its own elastic force, to further drive arc-shaped clamping plate to clamp and fix stainless steel pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole three-dimensional appearance structure schematic view of the utility model;

[0017] Fig. 2 It is the whole cross section structure schematic view of the utility model;

[0018] Fig. 3 It is the adjusting device structure schematic view of the utility model;

[0019] Fig. 4 It is the fixed device structure schematic view of the utility model.

[0020] In the drawing: 1, workbench;2, support;3, stand;4, stainless steel pipeline;5, adjusting device;51, receiving plate;52, motor;53, output shaft;54, turntable;55, connecting rod;56, fixed block;57, first ultrasonic detection probe;58, connecting block;59, fixed ring;510, sliding rail;511, sliding block;512, second ultrasonic detection probe;513, fixed rod;6, fixed device;61, connecting arm;62, connecting ring;63, movable cavity;64, spring;65, arc clamping plate;66, movable slot;67, rotating roller. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides technical scheme: as Figs. 1 to 4 The utility model discloses a stainless steel welded pipeline flaw detection device, which comprises a workbench 1 and a stainless steel pipeline 4, the outer wall of the workbench 1 is fixedly connected with a support 2, the top end of the workbench 1 is fixedly connected with a stand 3, the outer wall of the support 2 is provided with an adjusting device 5, the outer wall of the support 2 is fixedly connected with a receiving plate 51, the top end of the receiving plate 51 is fixedly connected with a motor 52, the outer wall of the motor 52 is fixedly connected with an output shaft 53, the output shaft 53 penetrates and is rotatably connected to the inside of the support 2, and the end, away from the motor 52, of the output shaft 53 is fixedly connected with a turntable 54.

[0023] The end, close to the output shaft 53, of the turntable 54 is rotatably connected to the outer wall of the support 2, the outer wall of the turntable 54 is fixedly connected with a connecting rod 55, and the end, away from the turntable 54, of the connecting rod 55 is fixedly connected with a fixed block 56.

[0024] Through the turntable 54, the turntable 54 rotates to drive the connecting rod 55 to rotate, and the connecting rod 55 rotates to drive the first ultrasonic detection probe 57 to rotate.

[0025] The bottom end of the fixed block 56 is fixedly connected with a first ultrasonic detection probe 57, and the top end of the workbench 1 is fixedly connected with a connecting block 58.

[0026] The first ultrasonic detection probe 57 can comprehensively detect the inner wall of the stainless steel pipeline 4 by rotating.

[0027] The inner wall of the fixed ring 59 is provided with a sliding rail 510, the inner wall of the sliding rail 510 is slidably connected with a sliding block 511, the bottom end of the sliding block 511 is fixedly connected with a second ultrasonic detection probe 512, the outer wall of the sliding block 511 is fixedly connected with a fixed rod 513, and the end, away from the sliding block 511, of the fixed rod 513 is fixedly connected to the outer wall of the rotating disc 54.

[0028] The second ultrasonic detection probe 512 can detect the outer wall of the stainless steel pipeline 4 by moving the sliding block 511 in the inner wall of the sliding rail 510.

[0029] The outer wall of the stand column 3 is provided with a fixing device 6, the outer wall of the stand column 3 is fixedly connected with a connecting arm 61, and the end, away from the stand column 3, of the connecting arm 61 is fixedly connected with a connecting ring 62.

[0030] The fixing device 6 can clamp and fix stainless steel pipelines 4 of different sizes, thereby improving the practicability of the device.

[0031] The inner wall of the connecting ring 62 is provided with a movable cavity 63, the inner wall of the movable cavity 63 is slidably connected with an arc-shaped clamping plate 65, the outer wall of one end of the arc-shaped clamping plate 65, located inside the movable cavity 63, is fixedly connected with a spring 64, and the end, away from the arc-shaped clamping plate 65, of the spring 64 is fixedly connected with the inner wall of the movable cavity 63.

[0032] The arc-shaped clamping plate 65 moves in the inner wall of the movable cavity 63 to press the spring 64, so as to adjust the position of the arc-shaped clamping plate 65.

[0033] The outer wall of one end of the arc-shaped clamping plate 65, located outside the movable cavity 63, is provided with a movable groove 66, and the inner wall of the movable groove 66 is rotatably connected with a rotating roller 67.

[0034] The rotating roller 67 moves to facilitate the movement of the stainless steel pipeline 4, thereby improving the detection efficiency of the stainless steel pipeline 4.

[0035] The utility model provides a kind of stainless steel welded pipeline flaw detection device, specific working principle is as follows:

[0036] In use, the stainless steel pipe 4 to be detected is inserted into the inside of the connecting ring 62, the stainless steel pipe 4 extrudes the arc-shaped clamping plate 65, the arc-shaped clamping plate 65 is extruded to extrude the spring 64, at the same time, the arc-shaped clamping plate 65 moves in the inside of the movable cavity 63, the spring 64 is extruded to provide a reverse supporting force to the arc-shaped clamping plate 65 by the elastic force of the spring 64, thereby driving the arc-shaped clamping plate 65 to clamp and fix the stainless steel pipe 4, moving the stainless steel pipe 4 drives the rotating roller 67 to rotate in the inside of the movable groove 66, until the first ultrasonic detection probe 57 and the second ultrasonic detection probe 512 reach the position to be detected, the motor 52 is started, the motor 52 drives the output shaft 53 to rotate, the output shaft 53 drives the rotating disc 54 to rotate, the rotating disc 54 drives the fixed block 56 to rotate through the connecting rod 55, the fixed block 56 drives the first ultrasonic detection probe 57 to rotate on the inner wall of the stainless steel pipe 4, and the inner wall of the stainless steel pipe 4 is detected comprehensively, the rotating disc 54 drives the sliding block 511 to move on the inner wall of the sliding rail 510 by the fixed rod 513, the sliding block 511 moves to drive the second ultrasonic detection probe 512 to do the circular motion around the outer wall of the stainless steel pipe 4, and the detection effect of the stainless steel pipe 4 is further improved, and the practicability of the device is greatly improved.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be subject to various changes, modifications, substitutions and alterations without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for detecting defects in a welded stainless steel pipe comprising a worktable (1) and a stainless steel pipe (4), characterized in that: The outer wall of the workbench (1) is fixedly connected with a support (2), the top end of the workbench (1) is fixedly connected with a stand (3), the outer wall of the support (2) is provided with an adjusting device (5), the outer wall of the support (2) is fixedly connected with a bearing plate (51), the top end of the bearing plate (51) is fixedly connected with a motor (52), the outer wall of the motor (52) is fixedly connected with an output shaft (53), the output shaft (53) penetrates and is rotatably connected to the inside of the support (2), and the end, away from the motor (52), of the output shaft (53) is fixedly connected with a rotating disc (54).

2. The device for detecting defects in a welded stainless steel pipe according to claim 1, wherein: The end, close to the output shaft (53), of the rotating disc (54) is rotatably connected to the outer wall of the support (2), the outer wall of the rotating disc (54) is fixedly connected with a connecting rod (55), and the end, away from the rotating disc (54), of the connecting rod (55) is fixedly connected with a fixed block (56).

3. The apparatus for inspecting a welded stainless steel pipe according to claim 2, wherein: The bottom end of the fixed block (56) is fixedly connected with a first ultrasonic detection probe (57), the top end of the workbench (1) is fixedly connected with a connecting block (58), and the top end of the connecting block (58) is fixedly connected with a fixed ring (59).

4. The apparatus for inspecting a welded stainless steel pipe according to claim 3, wherein: The inner wall of the fixed ring (59) is provided with a sliding rail (510), the inner wall of the sliding rail (510) is slidably connected with a sliding block (511), the bottom end of the sliding block (511) is fixedly connected with a second ultrasonic detection probe (512), the outer wall of the sliding block (511) is fixedly connected with a fixed rod (513), and the end, away from the sliding block (511), of the fixed rod (513) is fixedly connected to the outer wall of the rotating disc (54).

5. A device for inspecting a welded stainless steel pipe according to claim 4, wherein: The outer wall of the stand (3) is provided with a fixing device (6), the outer wall of the stand (3) is fixedly connected with a connecting arm (61), and the end, away from the stand (3), of the connecting arm (61) is fixedly connected with a connecting ring (62).

6. A device for inspecting a welded stainless steel pipe according to claim 5, wherein: The inner wall of the connecting ring (62) is provided with a movable cavity (63), the inner wall of the movable cavity (63) is slidably connected with an arc-shaped clamping plate (65), the outer wall of the end, inside the movable cavity (63), of the arc-shaped clamping plate (65) is fixedly connected with a spring (64), and the end, away from the arc-shaped clamping plate (65), of the spring (64) is fixedly connected with the inner wall of the movable cavity (63).

7. A device for inspecting a welded stainless steel pipe according to claim 6, wherein: The outer wall of the end, outside the movable cavity (63), of the arc-shaped clamping plate (65) is provided with a movable groove (66), and the inner wall of the movable groove (66) is rotatably connected with a rotating roller (67).

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