Ultrasonic and radiographic inspection equipment and method for pipeline welding seam

Abstract

The invention discloses ultrasonic and radiographic inspection equipment and method for a pipeline welding seam, and belongs to the field of pipeline welding seams. Comprising a base; the four supporting rods are fixedly connected to the four corners of the bottom of the base; the number of the fixing seats is two, and the fixing seats are symmetrically and fixedly connected to the base. The mounting hole is formed in the fixed seat; the clamping assembly is arranged on the mounting hole and used for fixing the pipeline; the rotating ring is arranged between the two fixed seats; the two welding machines are symmetrically and movably arranged on the inner wall of the rotating ring; the clamping assembly is arranged on the rotating ring and used for clamping the welding machine; and the rotating assembly is arranged on the base and used for rotating the rotating ring. The ultrasonic and radiographic inspection equipment and method for the pipeline welding seam have the beneficial effect that the ultrasonic and radiographic inspection equipment and method for the pipeline welding seam are provided.

Description

Technical Field

[0001] The present application relates to the field of pipeline welds, and in particular to an ultrasonic and radiographic flaw detection device and method for pipeline welds. Background Art

[0002] In order to timely discover defects in the surface, parent material and welds before pipeline construction or after welding, and to ensure its safety after operation, it is necessary to inspect the internal and external conditions of the pipeline. Therefore, it is necessary to use appropriate flaw detection equipment for inspection, and damage to the pipeline can be avoided during the inspection process.

[0003] The structure of the product can refer to a pipeline ultrasonic and appearance inspection device disclosed in Chinese patent document 202223299858.1, in which a driving wheel is installed at the bottom of the support frame, and a fan blade is fixedly installed at one end of the connecting shaft away from the pulley mechanism; it is installed on the top of the support frame by bolts, and the output shaft of the telescopic cylinder is connected to a guide plate, and the two ends of the guide plate are movably penetrated by a support rod, a through groove is provided on the guide plate outside the support rod, and a movable plate is fixed on the top of the support rod; a limit plate is fixed on the bottom of the support rod, and a flaw detection head is installed on the inner wall of the limit plate, and an air nozzle is provided on the side of the flaw detection head. This non-destructive testing equipment can adopt contact ultrasonic testing and non-contact appearance testing, which can realize the detection of internal defects of the pipeline base material and welds and appearance damage of the pipeline and welds, and facilitate quick viewing of the damage location. At the same time, before the detection, the dust adhering to the outer wall of the pipeline can be cleaned, thereby improving the accuracy of the detection.

[0004] However, in this patent, the pipeline needs to be welded first and then taken to the detection platform for detection, which reduces work efficiency.

[0005] An ultrasonic and radiographic flaw detection device and method for pipeline welds are now provided. Summary of the invention

[0006] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0007] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide an ultrasonic and radiographic flaw detection device and method for pipeline welds, including: a base; four support rods, which are fixedly connected to the four corners of the bottom of the base; two fixing seats, which are symmetrically fixed to the base; a mounting hole, which is opened on the fixing seat; a clamping assembly, which is arranged on the mounting hole and used to fix the pipeline;

[0008] A rotating ring is arranged between two fixed seats; two welding machines are arranged and are symmetrically and movably arranged on the inner wall of the rotating ring; a clamping assembly is arranged on the rotating ring and is used to clamp the welding machine; a rotating assembly is arranged on the base and is used to rotate the rotating ring; two moving rings are arranged and are symmetrically arranged above the base; a flaw detector is arranged on the rotating ring; a sliding rod is fixedly connected to the moving ring; a sliding groove is opened on the base, and the sliding rod is slidably installed on the sliding groove; a moving assembly is arranged on the base and is used to move the rotating ring back and forth.

[0009] Before welding is required, two pipes can be inserted into two mounting holes respectively, and then the first crank can be rotated, and then the fixed screw rod can be rotated, and under the action of the limit rod, the clamping plate can be lowered and the pipe can be clamped and fixed, and the two pipes can be connected to each other, and then the servo motor can be driven, so that the output shaft of the servo motor drives the second gear 28 to rotate. Since the second gear is meshed with the first gear, and under the action of the two mounting rods located on the annular groove, the first gear is rotated, so that the rotating ring is rotated, thereby driving the two welding machines to rotate back and forth in a small amplitude, and under the action of the two welding machines rotating back and forth, the connection of the two pipe fittings can be stably welded. And the second crank can be rotated, so that the second disc is rotated, so that the bidirectional screw rod is rotated, and under the action of the two oppositely rotating threaded grooves on the bidirectional screw rod, the two fixed plates can be moved closer or farther from each other, so as to facilitate the disassembly and installation of the welding machine. At the same time, when the output shaft of the servo motor rotates, under the action of the first worm gear and the first worm gear, the rotating rod rotates, and under the action of the second worm gear and the second worm gear, the rotating rod rotates, so that the disc rotates back and forth, and under the action of the two discs and the belt, the first screw rod rotates back and forth, so that the sliding rod moves back and forth, so that the moving ring moves back and forth, so that the flaw detector moves back and forth, under the action of the flaw detector, whether the quality of the pipeline meets the standard is checked, and the flaw detector is a prior art.

[0010] Furthermore, the clamping assembly includes a clamping plate, the clamping plate is arranged in the mounting hole, a fixing screw is threadedly connected to the clamping plate, a limiting rod is fixedly connected to the clamping plate, and the limiting rod is slidably mounted with the fixing seat.

[0011] Furthermore, a first turntable is fixedly connected to the top of the fixed screw, and a first crank is fixedly connected to the centrifugal end of the first turntable.

[0012] Furthermore, the fixing assembly includes two fixing plates and a bidirectional screw, the two fixing plates are arranged on one side of the inner part of the rotating ring, the two thread grooves with opposite rotation directions on the bidirectional screw are respectively threadedly connected to the two fixing plates, and the bidirectional screw is rotatably installed on the rotating ring, and a limit strip is fixed on the rotating ring, the limit strip passes through the two fixing plates, and the limit strip and the fixing plate are slidably installed.

[0013] Furthermore, a second turntable is fixedly connected to the top of the bidirectional screw rod, and a second crank is fixedly connected to the eccentric end of the second turntable.

[0014] Furthermore, the rotating assembly includes a first gear and a second gear, the first gear is fixedly connected to the rotating ring, a servo motor is fixedly connected to the base, and the second gear is fixedly connected to the output shaft of the servo motor, the first gear is meshed with the second gear, two annular grooves are symmetrically opened on the rotating ring, two mounting rods are symmetrically fixedly connected to the base, and the other end of the mounting rod is located on the annular groove.

[0015] Furthermore, the moving assembly includes a first screw rod, which is rotatably installed between two inner walls of the slide groove, and the first screw rod is threadedly connected to the slide rod, and a driving assembly for driving the first screw rod to rotate is arranged on the base.

[0016] Further, the driving assembly includes a first worm wheel and a first worm, a rotating rod is rotatably mounted on the base, the first worm is fixedly connected to the output shaft of the servo motor, and the first worm wheel is fixedly connected to the rotating rod, and the first worm wheel is meshed with the first worm, a second worm is fixedly connected to the other end of the rotating rod, a mounting plate is fixedly connected to the bottom of the base, and a rotating rod is rotatably mounted on the mounting plate, and a second worm wheel is fixedly connected to the rotating rod, the second worm wheel is meshed with the second worm, and a linkage assembly is arranged between the rotating rod and the lead screw.

[0017] Furthermore, the linkage assembly includes two discs and a belt, the two discs are respectively fixed to the screw rod and the rotating rod, and the belt drive is installed between the two discs.

[0018] Step 1: insert the two pipes into the two mounting holes respectively, then rotate the first crank, and then rotate the fixing screw, and under the action of the limit rod, the clamping plate descends and clamps and fixes the pipes, so that the two pipes are in contact with each other;

[0019] Step 2: Then the servo motor can be driven, so that the output shaft of the servo motor drives the second gear 28 to rotate. Since the second gear is meshed with the first gear and the two mounting rods are located on the annular groove, the first gear rotates, so that the rotating ring rotates, thereby driving the two welding machines to rotate back and forth in a small amplitude. Under the action of the back and forth rotation of the two welding machines, the connection of the two pipe fittings is stably welded;

[0020] Step 3: When the output shaft of the servo motor rotates, under the action of the first worm gear and the first worm gear, the rotating rod rotates, and under the action of the second worm gear and the second worm gear, the rotating rod rotates, so that the disc rotates back and forth, and under the action of the two discs and the belt, the first screw rod rotates back and forth, so that the sliding rod moves back and forth, so that the moving ring moves back and forth, so that the flaw detector moves back and forth, and under the action of the flaw detector, whether the quality of the pipeline meets the standard is checked.

[0021] The beneficial effect of the present application is that: an ultrasonic and radiographic flaw detection device and method for pipeline welds are provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0023] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0024] In the attached picture:

[0025] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0026] Figure 2 It is a cross-sectional view;

[0027] Figure 3 is a cross-sectional view of the base;

[0028] Figure 4 is a cross-sectional view of the rotating ring;

[0029] Figure 5 yes Figure 1 A magnified view of part A;

[0030] Figure 6 yes Figure 2 A magnified view of part B;

[0031] Figure 7 yes Figure 3Enlarged view of part C;

[0032] Figure 8 yes Figure 4 Enlarged view of part D.

[0033] Reference numerals:

[0034] 1. Base; 2. Support rod; 3. Slide rod; 4. Slide groove; 5. Welding machine; 6. Rotating ring; 7. Flaw detector; 8. Moving ring; 9. First crank; 10. First turntable; 11. Fixed screw; 12. Fixed seat; 13. First gear; 14. Rotating rod; 15. Second turntable; 16. First screw rod; 17. Second crank; 18. Mounting plate; 19. Second worm gear; 20. Disc; 21. Belt; 22. Clamping plate; 23. Limit rod; 24. Bidirectional screw rod; 25. Fixed plate; 26. Mounting rod; 27. Servo motor; 28. Second gear; 29. ​​First worm; 30. Second worm; 31. Annular groove; 32. First worm gear; 33. Rotating rod; 34. Limit strip; 35. Mounting hole. DETAILED DESCRIPTION

[0035] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0036] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0037] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0038] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0039] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0040] Reference Figure 1-8, an ultrasonic and radiographic flaw detection device and method for pipeline welds, comprising: a base 1, a support rod 2, a fixed seat 12, a mounting hole 35, a clamping assembly, a rotating ring 6, a welding machine 5, a clamping assembly, a rotating assembly, a moving ring 8, a flaw detector 7, a sliding rod 3, a sliding groove 4, and a moving assembly. The support rods 2 are set to four and fixed at the four corners of the bottom of the base 1.

[0041] The number of fixed seats 12 is two and they are symmetrically fixed to the base 1. The mounting hole 35 is provided on the fixed seat 12. The clamping assembly is provided on the mounting hole 35 for fixing the pipe. The rotating ring 6 is provided between the two fixed seats 12. The number of welding machines 5 is two and they are symmetrically and movably provided on the inner wall of the rotating ring 6. The clamping assembly is provided on the rotating ring 6 for clamping the welding machine 5. The rotating assembly is provided on the base 1 for rotating the rotating ring 6. The number of moving rings 8 is two and they are symmetrically provided above the base 1. The flaw detector 7 is provided on the rotating ring 6. The sliding rod 3 is fixed to the moving ring 8. The slide groove 4 is provided on the base 1, and the sliding rod 3 is slidably installed on the slide groove 4. The moving assembly is provided on the base 1 for moving the rotating ring 6 back and forth.

[0042] The clamping assembly includes a clamping plate 22, which is disposed in the mounting hole 35, and a fixing screw 11 is threadedly connected to the clamping plate 22, and a limit rod 23 is fixedly connected to the clamping plate 22, and the limit rod 23 is slidably installed with the fixing seat 12. The top of the fixing screw 11 is fixedly connected to the first rotating disk 10, and the first crank 9 is fixedly connected to the centrifugal end of the first rotating disk 10.

[0043] The fixing assembly includes two fixing plates 25 and a bidirectional screw 24. The two fixing plates 25 are arranged on one side of the inner part of the rotating ring 6. Two thread grooves with opposite rotation directions on the bidirectional screw 24 are respectively threadedly connected with the two fixing plates 25, and the bidirectional screw 24 is rotatably mounted on the rotating ring 6. The rotating ring 6 is fixed with a limit bar 34, which passes through the two fixing plates 25, and the limit bar 34 is slidably mounted with the fixing plates 25. The top of the bidirectional screw 24 is fixed with a second rotating disk 15, and the eccentric end of the second rotating disk 15 is fixed with a second crank 17.

[0044] The rotating assembly includes a first gear 13 and a second gear 28. The first gear 13 is fixedly connected to the rotating ring 6. A servo motor 27 is fixedly connected to the base 1, and the second gear 28 is fixedly connected to the output shaft of the servo motor 27. The first gear 13 is meshed with the second gear 28. Two annular grooves 31 are symmetrically provided on the rotating ring 6. Two mounting rods 26 are symmetrically fixedly connected to the base 1, and the other end of the mounting rod 26 is located on the annular groove 31.

[0045] The moving assembly includes a first screw rod 16 , which is rotatably mounted between two inner walls of the slide groove 4 , and is threadedly connected to the slide rod 3 , and a driving assembly for driving the first screw rod 16 to rotate is provided on the base 1 .

[0046] The driving assembly includes a first worm wheel 32 and a first worm 29, a rotating rod 33 is rotatably mounted on the base 1, the first worm 29 is fixedly connected to the output shaft of the servo motor 27, and the first worm wheel 32 is fixedly connected to the rotating rod 33, and the first worm wheel 32 is meshed with the first worm 29, and the second worm 30 is fixedly connected to the other end of the rotating rod 33, a mounting plate 18 is fixedly connected to the bottom of the base 1, and a rotating rod 14 is rotatably mounted on the mounting plate 18, and a second worm wheel 19 is fixedly connected to the rotating rod 14, and the second worm wheel 19 is meshed with the second worm 30, and a linkage assembly is arranged between the rotating rod 14 and the lead screw.

[0047] The linkage assembly includes two discs 20 and a belt 21 . The two discs 20 are fixedly connected to the screw rod and the rotating rod 14 respectively, and the belt 21 is installed between the two discs 20 for transmission.

[0048] Working process: Before welding is required, two pipes can be inserted into two mounting holes 35 respectively, and then the first crank 9 can be rotated, and then the fixing screw 11 can be rotated, and under the action of the limit rod 23, the clamping plate 22 can be lowered and the pipe can be clamped and fixed, and the two pipes can be connected to each other. Then the servo motor 27 can be driven, so that the output shaft of the servo motor 27 drives the second gear 28 to rotate. Since the second gear 28 is meshed with the first gear 13, and under the action of the two mounting rods 26 located on the annular groove 31, the first gear 13 is rotated, so that the rotating ring 6 is rotated, thereby driving the two welding machines 5 to rotate back and forth in a small amplitude. Under the action of the two welding machines 5 rotating back and forth, the connection of the two pipe fittings can be stably welded. And the second crank 17 can be rotated, so that the second disc 20 is rotated, so that the bidirectional screw rod 24 is rotated, and under the action of the two oppositely rotating threaded grooves on the bidirectional screw rod 24, the two fixing plates 25 can be moved closer or farther from each other, so as to facilitate the disassembly and installation of the welding machine 5. At the same time, when the output shaft of the servo motor 27 rotates, under the action of the first worm gear 32 and the first worm gear 32, the rotating rod 33 rotates, and under the action of the second worm 30 and the second worm gear 19, the rotating rod 14 rotates, so that the disc 20 rotates back and forth, and under the action of the two discs 20 and the belt 21, the first screw rod 16 rotates back and forth, so that the slide rod 3 moves back and forth, so that the moving ring 8 moves back and forth, so that the flaw detector 7 moves back and forth, under the action of the flaw detector 7, whether the quality of the pipeline meets the standard is checked. The flaw detector 7 is a prior art.

[0049] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. An ultrasonic and radiographic flaw detection device for pipeline welds, comprising: Pedestal; Four support rods are provided and fixedly connected to the four corners of the bottom of the base; Features: The ultrasonic and radiographic flaw detection equipment for pipeline welds also includes: Two fixing seats are provided and are symmetrically fixed on the base; The mounting hole is provided on the fixing seat; A clamping assembly, arranged on the mounting hole, for fixing the pipeline; A rotating ring is arranged between two fixed seats; The welding machines are provided in two pieces and are symmetrically and movably arranged on the inner wall of the rotating ring; A clamping assembly, arranged on the rotating ring, for clamping the welding machine; A rotating assembly, disposed on the base, and used for rotating the rotating ring; The movable rings are provided in two numbers and are symmetrically arranged above the base; A flaw detector, disposed on the rotating ring; A sliding rod, fixedly connected to the moving ring; A slide groove is provided on the base, and a slide rod is slidably mounted on the slide groove; The moving assembly is arranged on the base and is used for moving the rotating ring back and forth.

2. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 1 is characterized in that: The clamping assembly comprises a clamping plate, the clamping plate is arranged in the mounting hole, a fixing screw is threadedly connected to the clamping plate, a limiting rod is fixedly connected to the clamping plate, and the limiting rod is slidably mounted with the fixing seat.

3. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 1 is characterized in that: The top of the fixed screw is fixedly connected to a first rotating disk, and the centrifugal end of the first rotating disk is fixedly connected to a first crank.

4. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 1 is characterized in that: The fixing assembly includes two fixing plates and a bidirectional screw rod. The two fixing plates are arranged on one side of the inner part of the rotating ring. The two thread grooves with opposite rotation directions on the bidirectional screw rod are respectively threadedly connected to the two fixing plates, and the bidirectional screw rod is rotatably installed on the rotating ring. A limit strip is fixed on the rotating ring. The limit strip passes through the two fixing plates, and the limit strip is slidably installed with the fixing plates.

5. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 4 is characterized in that: A second rotating disk is fixedly connected to the top of the bidirectional screw rod, and a second crank is fixedly connected to the eccentric end of the second rotating disk.

6. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 1, characterized in that: The rotating assembly includes a first gear and a second gear, the first gear is fixedly connected to the rotating ring, a servo motor is fixedly connected to the base, and the second gear is fixedly connected to the output shaft of the servo motor, the first gear is meshed with the second gear, two annular grooves are symmetrically provided on the rotating ring, two mounting rods are symmetrically fixedly connected to the base, and the other end of the mounting rod is located on the annular groove.

7. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 1, characterized in that: The moving assembly includes a first screw rod, which is rotatably installed between two inner walls of the slide groove, and the first screw rod is threadedly connected to the slide rod, and a driving assembly for driving the first screw rod to rotate is arranged on the base.

8. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 7 is characterized in that: The driving assembly includes a first worm wheel and a first worm, a rotating rod is rotatably mounted on the base, the first worm is fixedly connected to the output shaft of the servo motor, and the first worm wheel is fixedly connected to the rotating rod, and the first worm wheel is meshed with the first worm, a second worm is fixedly connected to the other end of the rotating rod, a mounting plate is fixedly connected to the bottom of the base, a rotating rod is rotatably mounted on the mounting plate, and a second worm wheel is fixedly connected to the rotating rod, the second worm wheel is meshed with the second worm, and a linkage assembly is arranged between the rotating rod and the lead screw.

9. The ultrasonic and radiographic flaw detection equipment for pipeline welds according to claim 8, characterized in that: The linkage assembly comprises two discs and a belt. The two discs are respectively fixed on a screw rod and a rotating rod, and the belt transmission is installed between the two discs.

10. The ultrasonic and radiographic flaw detection method for pipeline welds according to claim 9, characterized in that: A flaw detection device comprising any one of claims 1 to 8; Step 1: insert the two pipes into the two mounting holes respectively, then rotate the first crank, and then rotate the fixing screw, and under the action of the limit rod, the clamping plate descends and clamps and fixes the pipes, so that the two pipes are in contact with each other; Step 2: Then the servo motor can be driven, so that the output shaft of the servo motor drives the second gear 28 to rotate. Since the second gear is meshed with the first gear and the two mounting rods are located on the annular groove, the first gear rotates, so that the rotating ring rotates, thereby driving the two welding machines to rotate back and forth in a small amplitude. Under the action of the back and forth rotation of the two welding machines, the connection of the two pipe fittings is stably welded; Step 3: When the output shaft of the servo motor rotates, under the action of the first worm gear and the first worm gear, the rotating rod rotates, and under the action of the second worm gear and the second worm gear, the rotating rod rotates, so that the disc rotates back and forth, and under the action of the two discs and the belt, the first screw rod rotates back and forth, so that the sliding rod moves back and forth, so that the moving ring moves back and forth, so that the flaw detector moves back and forth, and under the action of the flaw detector, whether the quality of the pipeline meets the standard is checked.

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