Pipeline nondestructive testing device

Abstract

The utility model discloses a pipeline nondestructive testing device, which belongs to the technical field of pipeline testing and comprises a base. The left side and the right side of the base are each provided with a supporting base. A moving seat and a mounting frame are mounted on the base and between the supporting seats on the two sides in a sliding manner; the moving seat and the supporting seat are arranged oppositely, and pipeline positioning mechanisms are symmetrically arranged on the moving seat and the supporting seat on one side; the pipeline positioning mechanism comprises a rotating motor and a rotating disc in transmission connection with the output end of the rotating motor. Four mounting grooves which are distributed in a cross-shaped structure are formed in the inner side of the rotating disc; the inner wall of each mounting groove is provided with a fixing assembly used for fixing a to-be-tested pipeline. Ultrasonic equipment and an industrial camera are respectively mounted on the inner wall of one side, close to the to-be-detected pipeline, of the mounting frame; the pipeline nondestructive testing device disclosed by the utility model can be used for fixing pipelines with different diameters, and the ultrasonic equipment can complete the detection operation on the pipelines at one time, so that the detection efficiency is improved.

Description

Technical Field

[0001] The utility model specifically relates to a pipeline nondestructive testing device, belonging to the technical field of pipeline testing. Background Art

[0002] With the cumulative construction of oil and gas pipelines in my country, in order to ensure the normal use of the pipelines and reduce the occurrence of disasters, non-destructive testing is often required; commonly used testing methods include ultrasonic testing, penetration testing, and X-ray testing.

[0003] In Chinese patent announcement number CN219084839U, a non-destructive testing tool is disclosed. When an ultrasonic device detects a pipeline, the non-destructive testing tool slides between two relatively arranged mounting rings, and a driving member provides power, so that the ultrasonic device can achieve rapid movement between the two relatively arranged mounting rings under the joint action of the mounting seat and the driving member, so that it can perform ultrasonic non-destructive testing while avoiding collision with the pipeline, causing damage to the equipment and the pipeline, thereby achieving efficient testing while ensuring the stability of equipment movement, extending the service life of the equipment, and improving the work efficiency of non-destructive testing; however, the non-destructive testing tool can only perform testing operations on the pipeline between the two mounting rings during testing; if a comprehensive test of the pipeline is to be performed, the pipeline needs to be repeatedly disassembled, fixed, and the position of the pipeline needs to be adjusted, so that the entire testing process takes a long time, which reduces the efficiency of the test, and therefore a pipeline non-destructive testing device is needed to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the utility model proposes a pipeline non-destructive testing device, which can fix pipelines of different diameters, and the pipelines are fixed inside the moving stroke of the ultrasonic equipment, so that the ultrasonic equipment can complete the detection operation of the pipeline at one time, thereby improving the detection efficiency; at the same time, in conjunction with the industrial camera for visual inspection, it can conduct a comprehensive inspection of the damage on the outer surface of the pipeline.

[0005] The utility model of pipeline nondestructive testing device comprises a base; a support base is respectively arranged on the left and right sides of the base; a moving base and a mounting frame are slidably installed on the base between the support bases on both sides; the moving base is arranged opposite to the support base, and pipeline positioning mechanisms are symmetrically arranged on the moving base and the support base on one side;

[0006] The pipeline positioning mechanism includes a rotating motor and a turntable drivingly connected to the output end of the rotating motor; the inner side of the turntable is provided with four installation grooves distributed in a cross-shaped structure; the inner wall of each installation groove is provided with a fixing component for fixing the pipeline to be measured;

[0007] The mounting frame is symmetrically arranged on both sides of the pipeline to be tested, and an ultrasonic device and an industrial camera are respectively installed on the inner wall of the mounting frame close to the pipeline to be tested;

[0008] A first screw transmission mechanism and a second screw transmission mechanism are also installed between the support seats on both sides, and the first screw transmission mechanism is arranged in parallel below the second screw transmission mechanism; the first screw transmission mechanism and the second screw transmission mechanism are respectively connected to the moving seat and the mounting frame.

[0009] Furthermore, the first screw transmission mechanism and the second screw transmission mechanism have the same structure, and both the first screw transmission mechanism and the second screw transmission mechanism are composed of a reduction motor and a screw.

[0010] Furthermore, the screw of the first screw transmission mechanism is threadedly connected to the moving seat.

[0011] Furthermore, a screw nut is threadedly mounted on the screw of the second screw transmission mechanism; and the top of the mounting frame is fixedly connected to the screw nut.

[0012] Furthermore, a first guide rail is provided at the center of the base along its length direction; a first guide slide is slidably mounted on the first guide rail; and the movable base is fixedly mounted on the first guide slide.

[0013] Furthermore, on the base, a second guide rail is respectively arranged on the front and rear sides of the first guide rail, and the second guide rail is arranged parallel to the first guide rail; second guide slides are symmetrically arranged on the second guide rails on both sides; and the bottom of the mounting frame is fixedly connected to the second guide slide.

[0014] Furthermore, the fixing assembly includes a guide rod arranged in the installation groove; a fixing spring is sleeved on the outer side of the guide rod; one end of the guide rod is connected to the installation groove, and the other end of the guide rod is connected to a movable plate; an anti-slip pad is installed on the side of the movable plate away from the fixing spring.

[0015] Compared with the prior art, the pipeline nondestructive testing device of the utility model can fix pipelines of different diameters, and fix the pipelines within the travel range of the ultrasonic equipment, so that the ultrasonic equipment can complete the detection operation of the pipeline at one time, avoiding the operation of repeatedly fixing the pipeline, so that the time required for the entire detection process is less, and the effect of improving the detection efficiency is achieved; and by setting an industrial camera to cooperate with the detection, and connecting the industrial camera to an external industrial computer, it is possible to perform visual detection operations on the outer surface of the pipeline, which can facilitate comprehensive detection of whether the outer surface of the pipeline is damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation structure of the pipeline to be tested in Example 1 of the utility model.

[0017] Figure 2 This is a schematic diagram of the overall structure of Example 1 of the present utility model.

[0018] Figure 3 It is a front view structural schematic diagram of Example 1 of the utility model.

[0019] Figure 4 It is a side structural schematic diagram of Example 1 of the utility model.

[0020] Figure 5 This is a schematic diagram of the first screw transmission mechanism and the movable seat installation structure of Example 1 of the utility model.

[0021] Figure 6 This is a schematic diagram of the installation structure of the second screw transmission mechanism and the mounting frame of Example 1 of the utility model.

[0022] The components in the accompanying drawings are marked as: 1-base, 2-support base, 3-first screw transmission mechanism, 4-second screw transmission mechanism, 5-movable base, 6-rotating motor, 7-turntable, 8-mounting slot, 9-fixing assembly, 901-guide rod, 902-fixing spring, 903-movable plate, 904-anti-slip pad, 10-screw nut, 11-mounting frame, 12-ultrasonic equipment, 13-industrial camera, 14-first guide rail, 15-first guide slide, 16-second guide rail, 17-second guide slide, 18-pipeline to be tested. DETAILED DESCRIPTION

[0023] Embodiment 1:

[0024] like Figures 1 to 6 The pipeline nondestructive testing device shown includes a base 1; a support base 2 is respectively arranged on the left and right sides of the base 1; a moving base 5 and a mounting frame 11 are slidably installed on the base 1 between the support bases 2 on both sides; the moving base 5 is arranged opposite to the support base 2, and pipeline positioning mechanisms are symmetrically arranged on the moving base 5 and the support base 2 on one side; the pipeline positioning mechanism can be used to fix the pipeline 18 to be tested between the moving base 5 and the support base 2; and the spacing between the pipeline positioning mechanisms on both sides can be adjusted by the moving base 5, so as to cooperate with the detection of pipelines of different lengths;

[0025] The pipeline positioning mechanism includes a rotating motor 6 and a rotating disk 7 which is transmission-connected to the output end of the rotating motor 6; four installation grooves 8 distributed in a cross-shaped structure are opened on the inner side of the rotating disk 7; a fixing component 9 for fixing the pipeline 18 to be tested is arranged on the inner wall of each installation groove 8; the fixing component 9 is used to fix the pipeline 18 to be tested, and the rotating disk 7 is driven to rotate by the rotating motor 6, thereby driving the fixing component 9 and the pipeline 18 to be tested to rotate, so as to facilitate comprehensive detection of the pipeline; in addition, in order to facilitate the use of the fixing component 9, the diameter of the rotating disk 7 can be set to be larger or smaller than the outer diameter of the pipeline 18 to be tested;

[0026] The mounting frame 11 is symmetrically arranged on both sides of the pipeline 18 to be tested, and an ultrasonic device 12 and an industrial camera 13 are respectively installed on the inner wall of the mounting frame 11 close to the pipeline 18 to be tested; the ultrasonic device 12 and the industrial camera 13 are symmetrically arranged on both sides of the pipeline 18 to be tested through the mounting frame 11, and the ultrasonic device 12 can be used to perform ultrasonic testing on the pipeline; and the industrial camera 13 is configured and connected to an external industrial computer to achieve comprehensive testing of the outer surface of the pipeline;

[0027] A first screw transmission mechanism 3 and a second screw transmission mechanism 4 are also installed between the support seats 2 on both sides, and the first screw transmission mechanism 3 is arranged in parallel below the second screw transmission mechanism 4; the first screw transmission mechanism 3 and the second screw transmission mechanism 4 are respectively connected to the moving seat 5 and the mounting frame 11; the first screw transmission mechanism 3 and the second screw transmission mechanism 4 can be used to drive the moving seat 5 and the mounting frame 11 to move on the base 1.

[0028] In another embodiment, the first screw transmission mechanism 3 and the second screw transmission mechanism 4 have the same structure, and the first screw transmission mechanism 3 and the second screw transmission mechanism 4 are both composed of a reduction motor and a screw, one end of the screw is transmission-connected to the output end of the reduction motor, and the other end extends from the support seat on the proximal side to the support seat on the far side of the other side, and is rotationally connected to the support seat at the far end through a bearing. The screw of the first screw transmission mechanism 3 is threadedly connected to the moving seat 5, which can drive the moving seat 5 to move back and forth on the base 1. A screw nut 10 is threadedly installed on the screw of the second screw transmission mechanism 4; the top of the mounting frame 11 is fixedly connected to the screw nut 10, which can drive the mounting frame 11 to move back and forth on the base 1.

[0029] In another embodiment, a first guide rail 14 is provided in the center of the base 1 along its length direction; a first guide slide 15 is slidably mounted on the first guide rail 14; the mobile seat 5 is fixedly mounted on the first guide slide 15, which can play a guiding role when the mobile seat 5 moves back and forth, so that the movement of the mobile seat 5 is more stable. On the base 1, a second guide rail 16 is respectively provided on the front and rear sides of the first guide rail 14, and the second guide rail 16 is arranged parallel to the first guide rail 14; second guide slides 17 are symmetrically arranged on the second guide rails 16 on both sides; the bottom of the mounting frame 11 is fixedly connected to the second guide slide 17, which can play a guiding role when the mounting frame 11 moves back and forth, so that the movement of the mounting frame 11 is more stable, thereby improving the stability of the detection.

[0030] In another embodiment, the fixing assembly 9 includes a guide rod 901 arranged in the mounting groove 8; a fixing spring 902 is sleeved on the outer side of the guide rod 901; one end of the guide rod 901 is connected to the mounting groove 8, and the other end of the guide rod is connected to a movable plate 903; an anti-skid pad 904 is installed on the side of the movable plate 903 away from the fixing spring 902; the guide rod 901 is arranged in the mounting groove 8, and one end of the guide rod is connected to the inner wall of the mounting groove 8 near the center of the turntable 7, the other end of the guide rod 901 is slidably connected to the movable plate 903, and the movable plate 903 is fixedly connected to the fixing spring 902, and moving the movable plate 903 can drive the fixing spring 902 to move, thereby realizing the compression of the fixing spring 902; wherein, in order to facilitate the movement of the movable plate 903 on the guide rod 901, coaxial moving holes (not shown) are provided on the movable plate 903 and the anti-skid point 904.

[0031] The working principle of the pipeline nondestructive testing device of the utility model is as follows:

[0032] 1) First, use a lifting device to lift the pipeline 18 to the pipeline nondestructive testing device, and pass the pipeline 18 through the mounting frame 11, so that one end of the pipeline 18 is in contact with the pipeline positioning mechanism on the support seat 2, and then assemble;

[0033] 2) During assembly, the movable plate 903 on the turntable 7 connected to the support seat 2 is moved, so that the movable plate 903 and the anti-skid pad 904 move in the direction of the fixed spring 902, and the fixed spring 902 is in a compressed state at this time; the fixed component 9 is located inside the pipeline 18 to be tested, and one end of the pipeline 18 to be tested is close to the inner side of the turntable 7 on the support seat 2, the movable plate 903 is loosened, and the end of the pipeline 18 to be tested is fitted with the inner wall of the turntable 7, and the anti-skid pad 904 is tightly fitted with the inner wall of the pipeline 18 to be tested under the reaction force of the fixed spring 902;

[0034] 3) The movable seat 5 is moved by the first screw transmission mechanism 3, and the turntable 7 connected to the movable seat 5 is adjusted to a suitable position according to the actual size of the pipeline 18 to be tested; the movable plate 903 on the turntable 7 connected to the movable seat 5 is moved to move the anti-skid pad 904 in the direction of the fixed spring 902. At this time, the fixed spring 902 is in a compressed state, so that the fixed component 9 on the movable seat 5 is located inside the pipeline 18 to be tested, and the position of the movable seat 5 is finely adjusted by the first screw transmission mechanism 3 so that the end of the pipeline 18 to be tested is close to the inner side of the turntable 7 on the movable seat 5, the movable plate 903 is released, and the end of the pipeline 18 to be tested is fitted with the inner wall of the turntable 7, and the anti-skid pad 904 is tightly fitted with the inner wall of the pipeline 18 to be tested under the reaction force of the fixed spring 902;

[0035] Remove the lifting device and wait for inspection;

[0036] 4) The second screw transmission mechanism 4 drives the screw nut 10 to move, and the mounting brackets 11 on both sides of the pipeline 18 to be tested will drive the ultrasonic device 12 and the industrial camera 13 to move, and the ultrasonic device 12 performs non-destructive testing on the pipeline 18 to be tested, and the industrial camera 13 performs visual testing on the outer surface of the pipeline 18 to be tested;

[0037] 5) Start the rotary motor 6 to make the turntable 7 drive the fixed component 9 and the pipeline 18 to be tested to rotate, so that the pipeline 18 to be tested is rotated to a suitable position, and repeat step 4) to make the industrial camera 13 continue to perform visual inspection operations on the pipeline to be tested.

[0038] The pipeline nondestructive testing device of the utility model can fix pipelines of different diameters through the coordinated arrangement of the first screw transmission mechanism 3, the second screw transmission mechanism 4, the moving seat 5, the rotating motor 6, the turntable 7, the mounting groove 8, the fixing assembly 9, the screw nut 10, the mounting frame 11 and the ultrasonic device 12, and the pipelines are fixed within the travel of the ultrasonic device 12, so that the ultrasonic device 12 can complete the detection operation of the pipeline at one time, avoiding the operation of repeatedly fixing the pipeline, so that the time required for the entire detection process is shorter, and the effect of improving the detection efficiency is achieved; and by arranging the industrial camera 13 for coordinated detection and connecting the industrial camera 13 to the external industrial computer, the outer surface of the pipeline can be visually inspected, which can facilitate comprehensive detection of whether the outer surface of the pipeline is damaged.

[0039] The above embodiments are only preferred implementations of the present utility model, so all equivalent changes or modifications made according to the structures, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A pipeline nondestructive testing device, characterized in that: It comprises a base; a support base is respectively arranged on the left and right sides of the base; a moving base and a mounting frame are slidably installed between the support bases on both sides of the base; the moving base is arranged opposite to the support base, and a pipeline positioning mechanism is symmetrically arranged on the moving base and the support base on one side; The pipeline positioning mechanism includes a rotating motor and a turntable drivingly connected to the output end of the rotating motor; the inner side of the turntable is provided with four installation grooves distributed in a cross-shaped structure; the inner wall of each installation groove is provided with a fixing component for fixing the pipeline to be measured; The mounting frame is symmetrically arranged on both sides of the pipeline to be tested, and an ultrasonic device and an industrial camera are respectively installed on the inner wall of the mounting frame close to the pipeline to be tested; A first screw transmission mechanism and a second screw transmission mechanism are also installed between the support seats on both sides, and the first screw transmission mechanism is arranged in parallel below the second screw transmission mechanism; the first screw transmission mechanism and the second screw transmission mechanism are respectively connected to the moving seat and the mounting frame.

2. The pipeline nondestructive testing device according to claim 1 is characterized in that: The first screw transmission mechanism and the second screw transmission mechanism have the same structure, and both the first screw transmission mechanism and the second screw transmission mechanism are composed of a reduction motor and a screw.

3. The pipeline nondestructive testing device according to claim 1 or 2, characterized in that: The lead screw of the first lead screw transmission mechanism is threadedly connected to the moving seat.

4. The pipeline nondestructive testing device according to claim 1, characterized in that: A screw nut is threadedly mounted on the screw of the second screw transmission mechanism; and the top of the mounting frame is fixedly connected to the screw nut.

5. The pipeline nondestructive testing device according to claim 1, characterized in that: A first guide rail is arranged in the center of the base along its length direction; a first guide slide is slidably mounted on the first guide rail; and the movable base is fixedly mounted on the first guide slide.

6. The pipeline nondestructive testing device according to claim 1, characterized in that: On the base, a second guide rail is respectively arranged on the front and rear sides of the first guide rail, and the second guide rail is arranged parallel to the first guide rail; second guide slides are symmetrically arranged on the second guide rails on both sides; and the bottom of the mounting frame is fixedly connected to the second guide slide.

7. The pipeline nondestructive testing device according to claim 1, characterized in that: The fixing assembly includes a guide rod arranged in the installation groove; a fixing spring is sleeved on the outer side of the guide rod; one end of the guide rod is connected to the installation groove, and the other end of the guide rod is connected to a movable plate; an anti-slip pad is installed on the side of the movable plate away from the fixing spring.

Images