Nondestructive testing device for welding seam of pipeline

Abstract

The utility model belongs to the technical field of detection devices, and particularly relates to a pipeline weld joint nondestructive detection device which comprises a bottom plate, a fixing mechanism used for fixing a pipeline is arranged on the bottom plate, and the fixing mechanism comprises a clamping assembly arranged on the bottom plate and used for clamping the pipeline; the adjusting assembly comprises an arc-shaped groove formed in the bottom plate, a first circular block is slidably connected into the arc-shaped groove, a second circular block is fixedly connected to the bottom of the first circular block, a rectangular block is fixedly connected to the top of the first circular block, a first sliding groove is formed in the top of the rectangular block, and a pair of first sliding blocks is slidably connected into the first sliding groove. The problems that when welding detection is conducted on a pipeline, only a straight pipe can be fixed through a traditional fixing mode, a bent pipe is difficult to fix effectively, the bent pipe may shake in the detection process due to unstable fixing, the precision of detection equipment is affected, and the detection result is inaccurate are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection device, specifically a pipeline weld nondestructive testing device. BACKGROUND

[0002] The detection of pipeline weld is used for testing whether the quality of pipeline weld is qualified, and the commonly used nondestructive testing methods are one, the ray detection is a detection method for finding the internal defects of an object by using the ray penetration, the ray can make the film photosensitive or excite certain materials to emit fluorescence, the ray attenuates according to certain rules in the process of penetrating the object, and the high pressure danger should be paid attention to during operation, two, the ultrasonic detection uses the sound to detect the quality of the object.

[0003] In the prior art, when the pipeline is welded and detected, the traditional fixing mode can only fix the straight pipe, and it is difficult to effectively fix the elbow pipe, and the unstable fixing can cause the elbow pipe to shake in the detection process, affect the precision of the detection equipment, and cause the detection result to be inaccurate.

[0004] Therefore, the utility model provides a pipeline weld nondestructive testing device. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiency of the prior art, the traditional fixing mode can only fix the straight pipe when the pipeline is welded and detected, it is difficult to effectively fix the elbow pipe, and the unstable fixing can cause the elbow pipe to shake in the detection process, affect the precision of the detection equipment, and cause the detection result to be inaccurate.

[0006] The utility model solves the technical scheme that the utility model discloses a pipeline weld nondestructive testing device, including the bottom plate, be used for fixing the fixed mechanism of pipeline and be provided with on the bottom plate, the fixed mechanism includes: the clamping assembly is set up on the bottom plate and is used for clamping the pipeline, the adjusting assembly includes the arc slot that is set up on the bottom plate, the first round piece is slidably connected in the arc slot, the second round piece is fixedly connected on the first round piece bottom, the first round piece top is fixedly connected with the rectangular block, the first sliding slot is seted up on the rectangular block top, a pair of first sliding blocks are slidably connected in the first sliding slot, the first sliding block top is fixedly connected with the clamping plate, the both sides of the rectangular block are all connected with the threaded rod through the threaded hole screw thread, and the threaded rod one end is rotatably connected on the first sliding block side wall, the bottom plate bottom is provided with the drive assembly for driving the second round piece to move.

[0007] Preferably, the drive assembly includes a gear rotatably connected to the bottom plate through a first rotating shaft, the gear is fixedly connected to a connecting plate at the bottom, and the other end of the connecting plate is fixedly connected to the bottom of the second round piece.

[0008] Preferably, the bottom plate is provided with a second sliding groove in the bottom, a rack is slidably connected in the second sliding groove through a second sliding block, the rack is in meshing connection with a gear, the bottom plate is fixedly connected with an electric push rod through a first fixed block, the electric push rod is fixedly connected with a second fixed block at the telescopic end, and the second fixed block is fixedly connected to the side wall of the rack.

[0009] Preferably, the clamping assembly comprises a pair of third sliding grooves formed in the bottom plate, third sliding blocks are slidably connected in the third sliding grooves, and arc-shaped plates are fixedly connected to the third sliding blocks.

[0010] Preferably, the clamping assembly comprises a pair of third sliding grooves formed in the bottom plate, third sliding blocks are slidably connected in the third sliding grooves, and arc-shaped plates are fixedly connected to the third sliding blocks.

[0011] Preferably, the third sliding block is fixedly connected with a square block at the bottom, a third fixed block is fixedly connected to the side wall of the square block, and the third fixed block is rotatably connected to one end of the connecting rod through a third rotating shaft.

[0012] The pipe welding seam nondestructive testing device has the following beneficial effects:

[0013] 1. The pipe welding seam nondestructive testing device, through the clamping assembly, can be fixed to the pipe, and the pipe can be adjusted according to the bending degree, so that the problem that the traditional fixing mode can only fix the straight pipe and cannot effectively fix the elbow pipe, the elbow pipe may shake in the detection process due to unstable fixation, the precision of the detection equipment is affected, and the detection result is inaccurate.

[0014] 2. The pipe welding seam nondestructive testing device, through the motor driving the driving rod to rotate, a pair of connecting rods can be driven to rotate through the supporting rod, the square block, the third sliding block and a pair of arc-shaped plates can be moved through the pair of connecting rods, the spacing between the pair of arc-shaped plates can be adjusted according to the rotation of the driving rod, and the problem that the traditional clamping mode in the prior art is not simple and convenient to clamp and is relatively cumbersome to disassemble can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 is the perspective view of the utility model;

[0017] Figure 2 is the gear schematic view in the utility model;

[0018] Figure 3It is the first circular block schematic view in the utility model;

[0019] Figure 4 It is the motor schematic view in the utility model;

[0020] Figure 5 It is the electric push rod schematic view in the utility model;

[0021] Figure 6 It is the bottom plate schematic view of the utility model;

[0022] In the drawing: 1, bottom plate;2, arc slot;3, first circular block;4, second circular block;5, rectangular block;6, first sliding slot;7, first sliding block;8, clamping plate;9, threaded rod;10, gear;11, connecting plate;12, second sliding slot;13, rack;14, electric push rod;15, second fixed block;16, third sliding slot;17, third sliding block;18, arc plate;19, motor;20, drive rod;21, support rod;22, connecting rod;23, square block;24, third fixed block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1 to 6 Indicated, the pipeline weld joint nondestructive testing device of the utility model embodiment, including bottom plate 1, the fixed mechanism for fixing pipeline is set up on bottom plate 1, and the fixed mechanism includes: clamping assembly, is set up on bottom plate 1 for clamping pipeline;Adjusting assembly, including the arc slot 2 that is opened on bottom plate 1, the first circular block 3 is slidably connected in arc slot 2, the second circular block 4 is fixedly connected in the bottom of first circular block 3, the rectangular block 5 is fixedly connected in the top of first circular block 3, the first sliding slot 6 is opened in the top of rectangular block 5, a pair of first sliding block 7 is slidably connected in first sliding slot 6, the clamping plate 8 is fixedly connected in the top of first sliding block 7, the threaded rod 9 is screw-connected in the both sides of rectangular block 5 through threaded hole, and the threaded rod 9 one end is rotatably connected on the side wall of first sliding block 7, the drive assembly for driving second circular block 4 to move is set up in the bottom of bottom plate 1, when working, through the clamping plate 8 that is set up, can move under the drive of drive assembly, namely can make the angle of a pair of clamping plate 8 change, to be able to fix pipeline under the cooperation of clamping assembly, can be adjusted according to the bending degree of pipeline, to solve the problem that the traditional fixed mode can only fix straight pipe when welding detection is carried out to pipeline, it is difficult to effectively fix elbow pipe, and the inaccuracy of detection equipment is caused by unstable fixation, which can cause elbow pipe to shake in the detection process, affect the precision of detection equipment, and lead to inaccurate detection results.

[0025] The driving assembly comprises a gear 10 rotatably connected to the bottom of the bottom plate 1 through a first rotating shaft, a connecting plate 11 fixed to the bottom of the gear 10, the other end of the connecting plate 11 is fixed to the top of the second circular block 4, a second sliding groove 12 is formed in the bottom of the bottom plate 1, a rack 13 is slidably connected in the second sliding groove 12 through a second sliding block, the rack 13 is engaged with the gear 10, an electric push rod 14 is fixed to the bottom of the bottom plate 1 through a first fixing block, the telescopic end of the electric push rod 14 is fixed with a second fixing block 15, and the second fixing block 15 is fixed to the side wall of the rack 13, in operation, the second fixing block 15 is moved by the electric push rod 14, so that the gear 10 is driven to rotate by the second fixing block 15, so that the first circular plate connected with the connecting plate 11 is driven to slide in the arc-shaped groove 2 by the rotation of the gear 10, so that the position of the pair of clamping plates 8 can be changed, so that the worker can adjust at any time when fixing the pipe with different bending degrees, and it is suitable for most pipes.

[0026] The clamping assembly comprises a pair of third sliding grooves 16 formed in the bottom plate 1, a third sliding block 17 is slidably connected in the third sliding groove 16, an arc-shaped plate 18 is fixed to the third sliding block 17, an electric motor 19 is fixed to the bottom of the bottom plate 1 through an L-shaped rod, a driving rod 20 is arranged at the output end of the electric motor 19, the top of the driving rod 20 is rotatably connected to the bottom of the bottom plate 1, a supporting rod 21 is fixed to the driving rod 20, a connecting rod 22 is rotatably connected to the supporting rod 21 through a pair of second rotating shafts, a square block 23 is fixed to the bottom of the third sliding block 17, a third fixing block 24 is fixed to the side wall of the square block 23, the third fixing block 24 is rotatably connected to one end of the connecting rod 22 through a third rotating shaft, in operation, the driving rod 20 is rotated by the electric motor 19, so that a pair of connecting rods 22 is driven to rotate by the supporting rod 21, so that the square block 23, the third sliding block 17 and a pair of arc-shaped plates 18 are moved by the pair of connecting rods 22, so that the distance between the pair of arc-shaped plates 18 is adjusted by the rotation of the driving rod 20, so that the problem of inconvenient clamping and cumbersome disassembly in the prior art is solved.

[0027] Working principle: through the setting of the clamping plate 8 can be driven by the driving assembly moves, namely can let a pair of clamping plate 8 angle changes, so can be in the cooperation of pipe fixing assembly, can be adjusted according to the pipe bending degree, so as to solve in the pipe welding detection, the traditional fixed mode can only be fixed to straight pipe, it is difficult to effectively fix the elbow, fixed unstable may lead to elbow in the detection process, affect the precision of detection equipment, lead to the problem of inaccurate detection result, through the setting of the electric push rod 14 drive second fixed block 15 moves, so as to be able to drive the gear 10 through the second fixed block 15, so as to be able to drive the first circular plate through the rotation of the gear 10, the second circular plate connected by the connecting plate 11 in the arc slot 2 slides, so as to be able to let a pair of clamping plate 8 position changes, namely can let the staff in the pipe of different bending degree fixed, can be adjusted at any time, suitable for most pipes, through the setting of the motor 19 drive driving rod 20 rotates, so as to be able to drive a pair of connecting rods 22 through the support rod 21, namely can drive square block 23, third sliding block 17 and a pair of arc plates 18 through a pair of connecting rods 22, so as to be able to let the interval between a pair of arc plates 18 adjust with the rotation of the driving rod 20, namely can solve the problem of traditional clamping mode in the prior art is not simple enough, disassembly is more cumbersome.

[0028] The above-mentioned front, rear, left, right, top and bottom are based on the observation angle of the person in the drawings of the specification, and the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and the like. Figure 1

[0029] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0030] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.​

Claims

1. A device for non-destructive testing of a pipe weld, comprising a base plate (1), characterised in that: The bottom plate (1) is provided with a fixing mechanism for fixing the pipeline, the fixing mechanism comprises: The clamping assembly is arranged on the bottom plate (1) for clamping the pipeline; The adjusting assembly comprises an arc-shaped slot (2) formed on the bottom plate (1), the first circular block (3) is slidably connected in the arc-shaped slot (2), the second circular block (4) is fixedly connected to the bottom of the first circular block (3), the rectangular block (5) is fixedly connected to the top of the first circular block (3), the first sliding slot (6) is formed in the top of the rectangular block (5), a pair of first sliding blocks (7) are slidably connected in the first sliding slot (6), the clamping plate (8) is fixedly connected to the top of the first sliding block (7), the threaded rods (9) are threadedly connected to the both sides of the rectangular block (5) through the threaded holes, one end of the threaded rod (9) is rotatably connected to the side wall of the first sliding block (7), and the bottom plate (1) is provided with a driving assembly for driving the second circular block (4) to move.

2. A device for non-destructive testing of a pipe weld according to claim 1, characterized in that: The driving assembly comprises a gear (10) rotatably connected to the bottom of the bottom plate (1) through a first rotating shaft, the bottom of the gear (10) is fixedly connected with a connecting plate (11), and the other end of the connecting plate (11) is fixedly connected to the bottom of the second circular block (4).

3. A device for non-destructive testing of a pipe weld according to claim 2, characterized in that: The bottom plate (1) is provided with a second sliding slot (12), the second sliding slot (12) is slidably connected with a rack (13) through a second sliding block, the rack (13) is in meshing connection with the gear (10), the bottom plate (1) is fixedly connected with an electric push rod (14) through a first fixing block, the telescopic end of the electric push rod (14) is fixedly connected with a second fixing block (15), and the second fixing block (15) is fixedly connected to the side wall of the rack (13).

4. A device for non-destructive testing of a pipe weld according to claim 1, characterized in that: The clamping assembly comprises a pair of third sliding slots (16) formed on the bottom plate (1), the third sliding slots (16) are slidably connected with third sliding blocks (17), and the arc-shaped plates (18) are fixedly connected to the third sliding blocks (17).

5. A device for non-destructive testing of a pipe weld according to claim 4, characterized in that: The bottom plate (1) is fixedly connected with a motor (19) through an L-shaped rod, the output end of the motor (19) is provided with a driving rod (20), the top of the driving rod (20) is rotatably connected to the bottom of the bottom plate (1), the supporting rod (21) is fixedly connected to the driving rod (20), and the connecting rod (22) is rotatably connected to one end of the supporting rod (21) through a pair of second rotating shafts.

6. A device for non-destructive testing of a pipe weld according to claim 5, characterized in that: The third sliding blocks (17) are fixedly connected with square blocks (23), the third fixing blocks (24) are fixedly connected to the side walls of the square blocks (23), and the third fixing blocks (24) are rotatably connected to one end of the connecting rod (22) through a third rotating shaft.

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