Buried pipeline flaw detection device

Abstract

The utility model belongs to the technical field of pipeline flaw detection, and discloses a buried pipeline flaw detection device which comprises a supporting frame, the inner wall of the supporting frame is fixedly connected with two supporting plates in a symmetrical structure, the outer walls of the two supporting plates are both provided with mounting holes, the inner walls of the two mounting holes are both connected with two supporting seats in a sliding mode, and the supporting seats are connected with the supporting frames in a sliding mode. And two roller shafts are arranged between the two supporting plates, the two ends of the two roller shafts are rotationally connected with the supporting seats correspondingly, and the sides, close to the outer sides, of the two supporting plates are fixedly connected with second motors correspondingly. Two second motors drive two-way threaded rods to rotate correspondingly, at the moment, supporting bases on the two-way threaded rods move towards the two ends of the two-way threaded rods, the supporting bases move to drive roller shafts to move, and therefore the distance between the two roller shafts is adjusted, and a pipeline can fall to the top of a discharging plate through a discharging hole and roll downwards along the discharging plate; and therefore, an operator can conveniently take the pipeline, and automatic discharging is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline flaw detection, and more specifically to a buried pipeline flaw detection device. Background Art

[0002] Nondestructive testing uses the acoustic, optical, magnetic and electrical properties of materials to detect whether there are defects or unevenness in the object being tested, without damaging or affecting the performance of the object being tested, and provides information such as the size, location, nature and quantity of the defects to ensure the performance of the pipeline and to inspect and repair the pipeline. In the production of natural gas pipelines, nondestructive testing of the surface of the natural gas pipeline is also required, so nondestructive testing equipment is needed for detection and processing.

[0003] In the existing technology, such as the document with the announcement number CN217466858U, a non-destructive flaw detection device for natural gas pipelines is specifically disclosed. In this document, the device can roll the pipeline to be detected through a roller to perform all-round detection of the pipeline. However, after the device detects a pipeline with a larger diameter, it is not convenient to unload the pipeline, resulting in a long unloading process and reduced work efficiency. For this reason, we propose a buried pipeline flaw detection device. Utility Model Content

[0004] The main purpose of the utility model is to provide a buried pipeline flaw detection device, which solves the technical problem that after detecting a large-diameter pipeline, it is inconvenient to unload the large-diameter pipeline, resulting in a long unloading process and reduced work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides a buried pipeline flaw detection device, including a support frame, the inner wall of the support frame is a symmetrical structure and is fixedly connected to two support plates, the outer walls of the two support plates are provided with mounting holes, the inner walls of the two mounting holes are slidably connected to two support seats, two roller shafts are provided between the two support plates, the two ends of the two roller shafts are respectively rotatably connected to the support seats, the two support plates are fixedly connected to a second motor on the outer side, the two second motor output ends are fixedly connected to a two-way threaded rod, the two two-way threaded rod ends are rotatably connected to a support block, the two support block ends are respectively fixedly connected to the outer wall of the support plate, the two two-way threaded rod ends pass through the two support seats and are threadedly connected thereto, the outer walls of the two support seats on one side are fixedly connected to a first machine base, the two first machine base bottoms are fixedly connected to a first motor, and the two first motor output ends are respectively fixedly connected to the roller shafts.

[0006] Preferably, a second installation cavity is provided on the top of the support frame, the two support plates are respectively fixedly connected to the inner wall of the second installation cavity, a feed hole is opened at the bottom of the inner wall of the second installation cavity, and the feed hole is located below the two rollers.

[0007] Preferably, two guide plates are fixedly connected to one side of the two support plates that are relatively close to each other in a symmetrical structure, and the lower ends of the two guide plates are inclined inwards.

[0008] Preferably, a fixing frame is fixedly connected to the top of the two support plates, a limiting hole is provided on the outer wall of the fixing frame, a screw is rotatably connected to the inner wall of the fixing frame, a second machine base is fixedly connected to the outer wall of the fixing frame, a third motor is fixedly connected to the top of the second machine base, and the output end of the third motor is fixedly connected to the screw.

[0009] Preferably, the outer wall of the screw is threadedly connected to a fixing seat, one end of the fixing seat is slidably connected to the inner wall of the limiting hole, the inner wall of the fixing seat is threadedly connected to an adjusting handwheel, and the bottom of the adjusting handwheel is fixedly connected to an ultrasonic flaw detection probe.

[0010] Preferably, a first installation cavity is provided on the inner wall of the support frame, and a blanking plate is fixedly connected to the inner wall of the first installation cavity.

[0011] The beneficial effects of the present invention are:

[0012] 1. The two second motors drive the two-way threaded rods to rotate respectively. At this time, the support seats on the two two-way threaded rods move to both ends. The movement of the support seats drives the rollers to move, so as to adjust the distance between the two rollers, so that the pipe can fall through the discharge hole to the top of the discharge plate and roll down along the discharge plate, so that the operator can take the pipe and realize automatic unloading, so that the operator can quickly load the material and improve the detection efficiency.

[0013] 2. By turning the adjusting hand wheel, the adjusting hand wheel pushes the ultrasonic flaw detection probe downward, so that the position of the ultrasonic flaw detection probe can be adjusted according to the diameter of the pipeline.

[0014] 3. The two first motors drive the rollers to rotate respectively, which can drive the pipeline to roll. The third motor drives the screw to rotate, so that the fixed seat slides along the inner wall of the limit hole. The fixed seat drives the ultrasonic flaw detection probe to move, so that the ultrasonic flaw detection probe moves along the surface of the pipeline, thereby improving the accuracy and efficiency of pipeline detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2This is a schematic diagram of the overall structure of the support frame of the utility model;

[0017] Figure 3 It is a partial structural schematic diagram of the utility model.

[0018] In the figure: 1. support frame; 2. feed hole; 3. first installation cavity; 4. second installation cavity; 5. feed plate; 6. support plate; 7. guide plate; 8. roller; 9. installation hole; 10. support seat; 11. first machine base; 12. first motor; 13. second motor; 14. bidirectional threaded rod; 15. support block; 16. fixing frame; 17. limiting hole; 18. screw; 19. second machine base; 20. third motor; 21. fixing seat; 22. adjusting hand wheel; 23. ultrasonic flaw detection probe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] like Figure 1 , Figure 2 and Figure 3 As shown, a buried pipeline flaw detection device includes a support frame 1, the inner wall of the support frame 1 is symmetrically structured and fixedly connected to two support plates 6, the outer walls of the two support plates 6 are each provided with a mounting hole 9, the inner walls of the two mounting holes 9 are slidably connected to two support seats 10, two roller shafts 8 are provided between the two support plates 6, the two ends of the two roller shafts 8 are respectively rotatably connected to the support seats 10, the outer side of the two support plates 6 are both fixedly connected to a second motor 13, the output ends of the two second motors 13 are both fixedly connected to a bidirectional threaded rod 14, the ends of the two bidirectional threaded rods 14 are both rotatably connected to a support block 15, the ends of the two support blocks 15 are respectively fixedly connected to the outer walls of the support plates 6, and the ends of the two bidirectional threaded rods 14 are penetrated Two support seats 10 are passed through and threadedly connected thereto, wherein the outer walls of the two support seats 10 on one side are fixedly connected with a first machine seat 11, and the bottoms of the two first machine seats 11 are fixedly connected with a first motor 12, and the output ends of the two first motors 12 are respectively fixedly connected with the roller shaft 8, and the two second motors 13 are used to drive the bidirectional threaded rods 14 to rotate respectively. At this time, the support seats 10 on the two bidirectional threaded rods 14 move toward their two ends, and the roller shaft 8 is driven to move by the movement of the support seats 10, thereby adjusting the distance between the two roller shafts 8, so that the pipeline can fall through the discharge hole 2 to the top of the discharge plate 5, and roll downward along the discharge plate 5, so as to facilitate the operator to take the pipeline and realize automatic unloading.

[0021] like Figure 1 and Figure 2As shown, a second mounting cavity 4 is provided on the top of the support frame 1, and two support plates 6 are respectively fixedly connected to the inner walls of the second mounting cavity 4. A feed discharge hole 2 is opened at the bottom of the inner wall of the second mounting cavity 4, and the feed discharge hole 2 is located below the two roller shafts 8. A first mounting cavity 3 is provided on the inner wall of the support frame 1, and a feed discharge plate 5 is fixedly connected to the inner wall of the first mounting cavity 3. Two guide plates 7 are fixedly connected to the relatively close sides of the two support plates 6 in a symmetrical structure, and the lower ends of the two guide plates 7 are inclined inwards.

[0022] like Figure 1 and Figure 3 As shown, a fixing frame 16 is fixedly connected to the top of the two support plates 6, a limiting hole 17 is provided on the outer wall of the fixing frame 16, a screw 18 is rotatably connected to the inner wall of the fixing frame 16, a second machine base 19 is fixedly connected to the outer wall of the fixing frame 16, a third motor 20 is fixedly connected to the top of the second machine base 19, an output end of the third motor 20 is fixedly connected to the screw 18, a fixing seat 21 is threadedly connected to the outer wall of the screw 18, one end of the fixing seat 21 is slidably connected to the inner wall of the limiting hole 17, an adjusting hand wheel 22 is threadedly connected to the inner wall of the fixing seat 21, an ultrasonic flaw detection probe 23 is fixedly connected to the bottom of the adjusting hand wheel 22, and the adjusting hand wheel 22 is rotated to push the ultrasonic flaw detection probe 23 downward, so that the position of the ultrasonic flaw detection probe 23 can be adjusted according to the diameter of the pipeline.

[0023] Working principle: Place the pipeline between the two rollers 8, and use the two first motors 12 to drive the rollers 8 to rotate respectively, so as to drive the pipeline to roll, and use the third motor 20 to drive the screw 18 to rotate, so that the fixing seat 21 slides along the inner wall of the limiting hole 17, and the ultrasonic flaw detection probe 23 is driven to move by the fixing seat 21, so that the ultrasonic flaw detection probe 23 moves along the surface of the pipeline, thereby improving the accuracy and efficiency of pipeline detection;

[0024] By rotating the adjusting hand wheel 22, the adjusting hand wheel 22 pushes the ultrasonic flaw detection probe 23 to move downward, so that the position of the ultrasonic flaw detection probe 23 can be adjusted according to the diameter of the pipeline;

[0025] After detection, the two second motors 13 respectively drive the bidirectional threaded rods 14 to rotate. At this time, the support seats 10 on the two bidirectional threaded rods 14 move toward their two ends, and the movement of the support seats 10 drives the roller 8 to move, thereby adjusting the distance between the two rollers 8, so that the pipe can fall through the discharge hole 2 to the top of the discharge plate 5, and roll downward along the discharge plate 5, so that the operator can take the pipe and realize automatic unloading.

[0026] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A buried pipeline flaw detection device, comprising a support frame (1), characterized in that: The inner wall of the support frame (1) is symmetrically structured and fixedly connected to two support plates (6); the outer walls of the two support plates (6) are provided with mounting holes (9); the inner walls of the two mounting holes (9) are slidably connected to two support seats (10); two roller shafts (8) are provided between the two support plates (6); the two ends of the two roller shafts (8) are rotatably connected to the support seats (10); the outer sides of the two support plates (6) are fixedly connected to second motors (13); the output ends of the two second motors (13) are fixedly connected to bidirectional threaded rods (11); 4), the ends of the two bidirectional threaded rods (14) are rotatably connected to support blocks (15), the ends of the two support blocks (15) are respectively fixedly connected to the outer wall of the support plate (6), the ends of the two bidirectional threaded rods (14) pass through two support seats (10) and are threadedly connected thereto, the outer walls of the two support seats (10) on one side are both fixedly connected to a first machine base (11), the bottoms of the two first machine bases (11) are both fixedly connected to a first motor (12), and the output ends of the two first motors (12) are respectively fixedly connected to a roller shaft (8).

2. The buried pipeline flaw detection device according to claim 1 is characterized in that: A second installation cavity (4) is provided at the top of the support frame (1), and the two support plates (6) are respectively fixedly connected to the inner wall of the second installation cavity (4). A feed hole (2) is provided at the bottom of the inner wall of the second installation cavity (4), and the feed hole (2) is located below the two roller shafts (8).

3. The buried pipeline flaw detection device according to claim 1 is characterized in that: Two guide plates (7) are fixedly connected to one side of the two support plates (6) that is relatively close to each other in a symmetrical structure, and the lower ends of the two guide plates (7) are both inclined inwards.

4. The buried pipeline flaw detection device according to claim 3 is characterized in that: A fixing frame (16) is fixedly connected to the top of the two support plates (6); a limiting hole (17) is provided on the outer wall of the fixing frame (16); a screw rod (18) is rotatably connected to the inner wall of the fixing frame (16); a second machine base (19) is fixedly connected to the outer wall of the fixing frame (16); a third motor (20) is fixedly connected to the top of the second machine base (19); and an output end of the third motor (20) is fixedly connected to the screw rod (18).

5. The buried pipeline flaw detection device according to claim 4 is characterized in that: The outer wall of the screw rod (18) is threadedly connected to a fixing seat (21), one end of the fixing seat (21) is slidably connected to the inner wall of the limiting hole (17), the inner wall of the fixing seat (21) is threadedly connected to an adjusting hand wheel (22), and the bottom of the adjusting hand wheel (22) is fixedly connected to an ultrasonic flaw detection probe (23).

6. The buried pipeline flaw detection device according to claim 1, characterized in that: The inner wall of the support frame (1) is provided with a first installation cavity (3), and the inner wall of the first installation cavity (3) is fixedly connected with a blanking plate (5).

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