Nondestructive testing device for weld joint of PE (Polyethylene) pipeline
By designing a non-destructive testing device for PE pipe welds that includes an outer and an inner fixing ring, the problem of the inability to detect welds on the inner wall of pipes in existing technologies has been solved. This device achieves high-precision non-destructive testing of welds on both the inner and outer walls of pipes and adaptability to multiple sizes, thereby improving work efficiency.
Patent Information
- Application Number
- CN202422390759.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-09-29
AI Technical Summary
Existing non-destructive testing equipment for pipelines cannot inspect welds on the inner wall of pipelines, has low inspection accuracy, cannot adapt to pipelines of different sizes, and is inconvenient to use.
A non-destructive testing device for PE pipe welds was designed, comprising an outer fixing ring and an inner fixing ring. The inner fixing ring is equipped with a clamping block, a sliding plate, an ultrasonic flaw detector, and a lighting lamp. Through the cooperation of a cylinder and a controller, non-destructive testing of the welds inside and outside the pipe can be achieved, and it can adapt to pipes of different sizes.
It enables non-destructive testing of welds inside and outside pipelines, improving testing accuracy and work efficiency. It can be used on pipelines of different sizes, reducing the risk of damage to pipelines.
Smart Images
Figure CN223650498U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PE pipeline technical field, concretely is PE pipeline weld nondestructive testing device. BACKGROUND
[0002] PE pipeline is polyethylene pipeline, its application range is wide, from being used for natural gas small section yellow pipe to 48in diameter thick wall black pipe for industry and city pipeline, big diameter hollow wall pipe is used as the rainwater drainage pipe and other sewer pipeline's substitute made of concrete grows rapidly, has the characteristics of excellent resistance to most of life and industry chemicals.
[0003] The existing pipeline nondestructive testing device cannot detect the pipeline as a whole during use, can only detect the weld of the outer surface of the pipeline, cannot nondestructively detect the inner wall weld, is difficult to further improve the detection precision of pipeline weld nondestructive testing, and cannot be adjusted and used according to pipelines of different thicknesses, is inconvenient to use, and is single-function, therefore, we provide PE pipeline weld nondestructive testing device. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem of overcoming the existing defects, provides PE pipeline weld nondestructive testing device, can detect the inner and outer welds of the pipeline, so as to achieve nondestructive testing, improve the detection precision of pipeline weld nondestructive testing, improve work efficiency, and also realize the effect of using on pipelines of different sizes, so that the detection precision of pipeline weld is improved, and the problems in the background art can be effectively solved.
[0005] To achieve the above object, the utility model provides the following technical scheme: PE pipeline weld nondestructive testing device, including outer fixed ring and inner fixed ring;
[0006] The inner fixed ring is arranged in the outer fixed ring, the inner wall right side of the inner fixed ring is uniformly provided with a holding block, the inner wall left side of the inner fixed ring is symmetrically provided with a moving frame, the inner wall upper end of the inner fixed ring is fixedly installed with a positioning block, the positioning block is provided with a moving groove, the moving groove in the positioning block is provided with a sliding plate, the ultrasonic flaw detector and the illuminating lamp are sequentially arranged below the sliding plate;
[0007] The left end of the positioning block is symmetrically installed with a cylinder two, the output end of the cylinder two is fixedly connected with a connecting plate, one end of the connecting plate is fixedly connected with the outer end of the sliding plate, the ultrasonic flaw detector and the illuminating lamp are sequentially installed on the right side lower end of the sliding plate, the input end of the air pump of the cylinder two and the input end of the illuminating lamp are electrically connected with the output end of the external controller, and the output end of the ultrasonic flaw detector is electrically connected with the input end of the external controller.
[0008] When the pipeline weld needs to be nondestructively detected, the external controller starts the cylinder two, the cylinder two in turn moves the sliding plate in the one end of the positioning block through the connecting plate, and then moves the ultrasonic flaw detector and the illuminating lamp to the position to be detected, so that the pipeline inner and outer welds can be detected through the cooperation of the ultrasonic flaw detector and the illuminating lamp, nondestructive detection is achieved, the detection precision of the pipeline weld nondestructive detection is improved, and the work efficiency is improved.
[0009] Further, the front and rear ends of the moving groove on the positioning block are both provided with a sliding groove, the sliding groove is in sliding connection with a sliding bar, and the sliding bar is fixedly connected with one end of the sliding plate.
[0010] The cooperation of the sliding bar and the sliding groove can increase the stability of the sliding plate in the positioning block.
[0011] Further, the right side of the inner fixed ring inner wall is uniformly provided with the cylinder one, the output shaft of the cylinder one is fixedly connected with one end of the holding block, the two sides of the cylinder one are provided with the telescopic rod one on the inner fixed ring inner wall, the other end of the telescopic rod one is fixedly connected with the holding block, and the gas pump input end of the cylinder one is electrically connected with the output end of the external controller.
[0012] The external controller starts the cylinder one, the cylinder one in turn fixes the pipeline to be detected by means of the holding block, the effect of being used on pipelines of different sizes is achieved, and the detection precision of the pipeline weld is improved.
[0013] Further, the rubber pad is further arranged.
[0014] The rubber pad can play a protection role and prevent the holding block from damaging the pipeline when the holding block fixes the pipeline.
[0015] Further, the inner wall of the outer fixed ring is fixedly provided with an annular connecting sliding plate, the outer wall of the inner fixed ring is provided with an annular sliding groove, the annular connecting sliding plate is in sliding connection with the annular sliding groove on the outer wall of the inner fixed ring, the inner fixed ring is fixedly provided with a fixed plate, the fixed plate is provided with a handle, and the handle is provided with anti-slip lines.
[0016] When the other end surface of the pipeline needs to be detected, the handle is held, the inner fixed ring can be driven to rotate under the cooperation of the annular connecting sliding plate and the annular sliding groove, the whole pipeline weld can be detected, and the work efficiency is improved.
[0017] Further, the left side of the inner fixed ring inner wall is symmetrically provided with the telescopic rod two, the other end of the telescopic rod two is fixedly connected with a moving frame, a spring is sleeved on the telescopic rod two, and the inner end of the moving frame is rotatably connected with a moving wheel through a connecting rod.
[0018] The mobile wheel can move along with the movement of the device, reduces friction, facilitates detection, and reduces the labor of workers.
[0019] Compared with the prior art, the PE pipeline weld nondestructive testing device has the following advantages:
[0020] 1. When the pipeline weld needs to be nondestructively detected, the external controller starts the cylinder two, and the cylinder two in turn moves the sliding plate in the one end of the positioning block through the connecting plate, and then moves the ultrasonic flaw detector and the illuminating lamp to the position to be detected, so that the pipeline inner and outer welds can be detected through the cooperation of the ultrasonic flaw detector and the illuminating lamp, thereby achieving nondestructive detection, improving the detection accuracy of the pipeline weld nondestructive testing, and improving the work efficiency.
[0021] 2. The external controller starts the cylinder one, and the cylinder one in turn fixes the pipeline to be detected by the holding block, realizes the effect of being used on pipelines of different sizes, and achieves the effect of improving the pipeline weld detection accuracy.
[0022] 3. When the other end surface of the pipeline needs to be detected, the handle is held, and then the inner fixing ring can be driven to rotate under the cooperation of the annular connecting sliding plate and the annular sliding groove, so that the whole pipeline weld can be detected, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a structural schematic view of the utility model.
[0024] Figure 2 It is a structural side view schematic view of the utility model.
[0025] Figure 3 It is a structural side view schematic view of the utility model. Figure 2 It is an enlarged schematic view of structure A of the utility model.
[0026] In the figure: 1 external fixing ring, 2 inner fixing ring, 3 annular connecting sliding plate, 4 fixed plate, 5 handle, 6 cylinder one, 7 telescopic rod one, 8 holding block, 9 rubber pad, 10 moving frame, 11 mobile wheel, 12 spring, 13 telescopic rod two, 14 positioning block, 15 sliding bar, 16 sliding plate, 17 ultrasonic flaw detector, 18 illuminating lamp, 19 cylinder two, 20 connecting plate. DETAILED DESCRIPTION
[0027] 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 scope of protection of the utility model.
[0028] Please refer to Figures 1-3 The embodiment provides a technical scheme: a PE pipeline weld nondestructive testing device, comprising an outer fixing ring 1 and an inner fixing ring 2.
[0029] The inner fixing ring 2 is arranged in the inner part of the outer fixing ring 1, the right side of the inner wall of the inner fixing ring 2 is uniformly provided with a holding block 8, the left side of the inner wall of the inner fixing ring 2 is symmetrically provided with a moving frame 10, the upper end of the inner wall of the inner fixing ring 2 is fixedly installed with a positioning block 14, the positioning block 14 is provided with a moving groove, the moving groove in the positioning block 14 is provided with a sliding plate 16, and the ultrasonic flaw detector 17 and the illuminating lamp 18 are sequentially arranged below the sliding plate 16.
[0030] The left end of the positioning block 14 is symmetrically installed with a cylinder 2 19, the output end of the cylinder 2 19 is fixedly connected with a connecting plate 20, one end of the connecting plate 20 is fixedly connected with the outer end of the sliding plate 16, the right side lower end of the sliding plate 16 is installed with the ultrasonic flaw detector 17 and the illuminating lamp 18 which are sequentially installed, the input end of the air pump of the cylinder 2 19 and the input end of the illuminating lamp 18 are electrically connected with the output end of an external controller, and the output end of the ultrasonic flaw detector 17 is electrically connected with the input end of the external controller.
[0031] When pipeline weld needs to be nondestructively detected, the external controller starts the cylinder 2 19, the cylinder 2 19 further moves the sliding plate 16 in the one end of the positioning block 14 through the connecting plate 20, and then the ultrasonic flaw detector 17 and the illuminating lamp 18 are moved to the position to be detected, the pipeline inner and outer welding positions can be detected through the cooperation of the ultrasonic flaw detector 17 and the illuminating lamp 18, so that nondestructive detection is achieved, the detection precision of pipeline weld nondestructive detection is improved, and the work efficiency is improved.
[0032] The front and rear ends of the moving groove in the positioning block 14 are both provided with a sliding groove, the sliding grooves are in sliding connection with sliding strips 15, and the sliding strips 15 are both fixedly connected with one end of the sliding plate 16.
[0033] The cooperation of the sliding strips 15 and the sliding grooves can increase the stability of the sliding plate 16 in the inner part of the positioning block 14.
[0034] The right side of the inner wall of the inner fixing ring 2 is uniformly provided with a cylinder 1 6, the output shaft of the cylinder 1 6 is fixedly connected with one end of the holding block 8, the two sides of the cylinder 1 6 are provided with telescopic rods 1 7 on the inner wall of the inner fixing ring 2, the other ends of the telescopic rods 1 7 are fixedly connected with the holding block 8, and the air pump input end of the cylinder 1 6 is electrically connected with the output end of an external controller.
[0035] The external controller starts the cylinder 1 6, the cylinder 1 6 further fixes the pipeline to be detected by means of the holding block 8, the effect of being used on pipelines of different sizes is achieved, and the detection precision of pipeline weld is improved.
[0036] The inner side of each holding block 8 is fixedly connected with a rubber pad 9.
[0037] The rubber pad 9 can prevent the holding block 8 from damaging the pipeline when fixing the pipeline.
[0038] The inner wall of the outer fixing ring 1 is fixedly installed with an annular connecting sliding plate 3, the outer wall of the inner fixing ring 2 is provided with an annular sliding groove, the annular connecting sliding plate 3 is in sliding connection with the annular sliding groove on the outer wall of the inner fixing ring 2, the inner fixing ring 2 is fixedly installed with a fixing plate 4, the fixing plate 4 is installed with a handle 5, and the handle 5 is provided with anti-skid lines.
[0039] When other end surfaces of the pipeline need to be detected, the handle 5 is held, and then the inner fixing ring 2 can be driven to rotate under the cooperation of the annular connecting sliding plate 3 and the annular sliding groove, so that the whole pipeline weld can be detected, and the working efficiency is improved.
[0040] The inner wall of the inner fixing ring 2 is symmetrically installed with an extension rod two 13 on the left side, the other end of the extension rod two 13 is fixedly connected with a moving frame 10, the extension rod two 13 is sleeved with a spring 12, and the inner end of the moving frame 10 is rotationally connected with a moving wheel 11 through a connecting rod.
[0041] The moving wheel 11 can move along with the movement of the device, reduce friction, facilitate detection, and reduce the labor of workers.
[0042] The working principle of the PE pipeline weld nondestructive testing device is as follows: when the pipeline weld needs to be nondestructively detected, the external controller starts the cylinder two 19, the cylinder two 19 then moves the sliding plate 16 at one end in the positioning block 14 through the connecting plate 20, and then moves the ultrasonic flaw detector 17 and the illuminating lamp 18 to the position to be detected, the pipeline inner and outer welds can be detected through the cooperation of the ultrasonic flaw detector 17 and the illuminating lamp 18, so that nondestructive detection is achieved, the detection accuracy of the pipeline weld nondestructive testing is improved, the working efficiency is improved, the cooperation of the sliding strip 15 and the sliding groove can increase the stability of the sliding plate 16 in the positioning block 14, the external controller starts the cylinder one 6, the cylinder one 6 then fixes the pipeline to be detected by the holding block 8, the effect of being used on pipelines of different sizes is realized, the detection accuracy of the pipeline weld is improved, the rubber pad 9 can prevent the holding block 8 from damaging the pipeline when fixing the pipeline, when other end surfaces of the pipeline need to be detected, the handle 5 is held, and then the inner fixing ring 2 can be driven to rotate under the cooperation of the annular connecting sliding plate 3 and the annular sliding groove, so that the whole pipeline weld can be detected, and the working efficiency is improved, the moving wheel 11 can move along with the movement of the device, reduce friction, facilitate detection, and reduce the labor of workers.
[0043] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation made by using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A device for non-destructive testing of a weld of a PE pipe, characterized in that It comprises an outer fixed ring (1) and an inner fixed ring (2); The inner wall of the outer fixed ring (1) is provided with the inner fixed ring (2), the right side of the inner wall of the inner fixed ring (2) is uniformly provided with a holding block (8), the left side of the inner wall of the inner fixed ring (2) is symmetrically provided with a moving frame (10), the upper end of the inner wall of the inner fixed ring (2) is fixedly installed with a positioning block (14), the positioning block (14) is provided with a moving groove, the moving groove of the positioning block (14) is provided with a sliding plate (16), and the ultrasonic flaw detector (17) and the illuminating lamp (18) are sequentially arranged below the sliding plate (16). The left end of the positioning block (14) is symmetrically installed with a second air cylinder (19), the output end of the second air cylinder (19) is fixedly connected with a connecting plate (20), one end of the connecting plate (20) is fixedly connected with the outer end of the sliding plate (16), the right side of the lower end of the sliding plate (16) is installed with the ultrasonic flaw detector (17) and the illuminating lamp (18) which are sequentially installed, the air pump input end of the second air cylinder (19) and the input end of the illuminating lamp (18) are electrically connected with the output end of the external controller, and the output end of the ultrasonic flaw detector (17) is electrically connected with the input end of the external controller.
2. The PE pipe weld non-destructive testing apparatus of claim 1, wherein: The front and rear ends of the moving groove on the positioning block (14) are both provided with a sliding groove on the positioning block (14), the sliding grooves are slidably connected with sliding rods (15), and one end of each sliding rod (15) is fixedly connected with the sliding plate (16).
3. The PE pipe weld non-destructive testing apparatus of claim 1, wherein: The right side of the inner wall of the inner fixed ring (2) is uniformly installed with a first air cylinder (6), one end of the output shaft of the first air cylinder (6) is fixedly connected with the holding block (8), the two sides of the first air cylinder (6) are installed with telescopic rods (7) on the inner wall of the inner fixed ring (2), and the other end of each telescopic rod (7) is fixedly connected with the holding block (8).
4. The PE pipe weld non-destructive testing apparatus of claim 1, wherein: The inner side of each holding block (8) is fixedly connected with a rubber pad (9).
5. The PE pipe weld non-destructive testing apparatus of claim 1, wherein: The inner wall of the outer fixed ring (1) is fixedly installed with an annular connecting sliding plate (3), the outer wall of the inner fixed ring (2) is provided with an annular sliding groove, the annular connecting sliding plate (3) is slidably connected with the annular sliding groove on the outer wall of the inner fixed ring (2), the inner fixed ring (2) is fixedly installed with a fixed plate (4), the fixed plate (4) is installed with a handle (5), and the handle (5) is provided with anti-skid lines.
6. The PE pipe weld non-destructive testing apparatus of claim 1, wherein: The left side of the inner wall of the inner fixed ring (2) is symmetrically installed with telescopic rods (13), the other end of each telescopic rod (13) is fixedly connected with the moving frame (10), the telescopic rod (13) is sleeved with a spring (12), and the inner end of the moving frame (10) is rotatably connected with a moving wheel (11) through a connecting rod.