CN218674872U - Stainless steel seamless steel pipe device of detecting a flaw - Google Patents

Abstract

The utility model relates to the technical field of flaw detection of seamless steel pipes, in particular to a flaw detection device for stainless steel seamless steel pipes. , the positioning frame is provided with a flaw detection mechanism for steel pipe detection. The flaw detection mechanism includes a movable sleeve arranged on one side of the positioning frame, and a flaw detector body slidably arranged on the top of the support frame. Rotate the connected limiting circular plate. The utility model makes the operation of the steel pipe more convenient and fast during flaw detection, which is beneficial to improve the work efficiency of the inspectors, reduces the labor intensity of the inspectors, avoids the trouble of the inspectors for the flaw detection of the steel pipe, which is time-consuming and laborious, and brings great convenience to the inspectors. It is very inconvenient, and steel pipes with different diameters can be positioned at the same time, which expands the application range of the flaw detection device and improves the practicability of the flaw detection device.

Description

A stainless steel seamless steel pipe flaw detection device

technical field

The utility model relates to the technical field of flaw detection of seamless steel pipes, in particular to a flaw detection device for stainless steel seamless steel pipes.

Background technique

Stainless steel seamless steel pipe is a long steel material with a hollow section and no joints around it, which has strong corrosion resistance. At present, after the production of stainless steel seamless steel pipe is completed, it is often inspected by inspectors with hand-held ultrasonic flaw detection devices. The inspectors need to rotate the steel pipe to conduct a comprehensive inspection when inspecting the steel pipe. Came great inconvenience, has reduced the work efficiency of inspector, has increased its labor intensity simultaneously, and practicability is relatively poor.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a flaw detection device for stainless steel seamless steel pipes, which solves the problem of time-consuming and labor-intensive inspection of steel pipe flaws by inspectors, and brings great inconvenience to the use of inspectors. The purpose of reducing the labor intensity of testing personnel and improving their work efficiency.

In order to solve the above technical problems, the utility model provides the following technical solutions: a flaw detection device for stainless steel seamless steel pipe, including a detection platform, a support frame fixed on the detection platform, and a support frame fixed at the bottom of the support frame and fixed to the detection platform A positioning frame, the positioning frame is provided with a flaw detection mechanism for detecting steel pipes;

The flaw detection mechanism includes a movable sleeve arranged on one side of the positioning frame, and a flaw detector body slidably arranged on the top of the support frame. One end of the movable sleeve is fixed with a limiting circular plate that is rotatably connected to the inside of the positioning frame, and the movable sleeve The pipe is provided with a positioning assembly for positioning the steel pipe, and the flaw detection mechanism also includes a drive assembly provided on the flaw detector body for driving it to move with the limit circular plate.

Further, the positioning assembly includes a movable cross bar arranged on the inside of the movable sleeve, and a limiting chute opened on one side of the limiting circular plate and slidably connected with the movable cross bar, and one end of the movable cross bar is provided with a screw thread The inner side of the thread groove is threaded with a rotating screw, and one end of the rotating screw runs through the limiting circular plate and is fixed with a screw cap.

Further, both ends of the movable crossbar are fixed with limit push blocks, and one side of the limit push block is provided with a matching movable contact rod, and the movable contact rod passes through the movable sleeve and is slidably connected with it.

Further, a limit baffle is fixed at one end of the movable contact rod, a limit spring fixed to the movable sleeve is fixed on one side of the limit baffle, and an anti-slip protrusion is fixed at the other end of the movable contact rod.

Further, the drive assembly includes a servo motor fixedly installed on the top of the support frame, and a sliding cross bar slidably arranged on the top of the support frame and fixed to the flaw detector body. The output end of the servo motor is fixed with a rotating shaft, and one end of the rotating shaft is A threaded rod that is rotationally connected with the support frame through a bearing is fixed, and the threaded rod runs through the sliding cross bar and is threadedly connected with it.

Further, a transmission belt is connected to the rotating shaft through a pulley, and the bottom of the transmission belt is connected to an endless pulley fixed to the limiting circular plate.

The utility model provides a stainless steel seamless steel pipe flaw detection device, which has the following beneficial effects:

1. The utility model performs a more comprehensive flaw detection operation on the rotating steel pipe by setting a flaw detection mechanism. The steel pipe is positioned on the outside of the movable casing through the positioning component, and then when the flaw detector body is driven by the drive component to move linearly, the limit circle The plate drives the steel pipe to rotate, so that the operation of the steel pipe during flaw detection is more convenient and fast, which is conducive to improving the work efficiency of the inspectors, reducing the labor intensity of the inspectors, and avoiding the trouble of the inspectors on the steel pipe flaw detection, which is time-consuming and laborious. The use of personnel has brought great inconvenience.

2. The utility model can locate the steel pipes of different diameters by setting the positioning components, put the steel pipes on the outside of the movable casing, and then rotate the screw cap to drive the rotating screw to rotate, while the rotating screw rotates, it pushes the movable cross bar and its upper part The limit push block moves, the limit push block pushes the movable contact rod to move, and the movable contact rod drives the anti-slip protrusion at the end to contact with the inner wall of the steel pipe, so that the steel pipes of different diameters can be positioned, and the flaw detection device is expanded The scope of use improves the practicability of the flaw detection device.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the front three-dimensional sectional view of the utility model;

Fig. 3 is a side perspective sectional view of the utility model;

Fig. 4 is an exploded view of the structure of the flaw detection mechanism of the present invention.

In the figure: 1. Inspection platform; 2. Support frame; 3. Positioning frame; 4. Flaw detection mechanism; 41. Movable casing; 42. Flaw detector body; 43. Limiting circular plate; 44. Positioning component; 441. Mobility Cross bar; 442, limit chute; 443, thread groove; 444, rotating screw rod; 445, screw cap; 446, limit push block; 45, drive assembly; 451, servo motor; 452, rotating shaft; 453, threaded rod; 454, drive belt; 455, endless pulley; 456, sliding cross bar.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-Figure 4, the utility model provides a technical solution: a stainless steel seamless steel pipe flaw detection device, including a detection platform 1, a support frame 2 fixed on the detection platform 1, and a support frame 2 The bottom is a positioning frame 3 fixed to the detection platform 1, and a flaw detection mechanism 4 for detecting steel pipes is arranged on the positioning frame 3.

The flaw detection mechanism 4 is used to perform a more comprehensive flaw detection operation on the rotating steel pipe. The steel pipe is positioned outside the movable casing 41 through the positioning component 44, and then when the flaw detector body 42 is driven by the drive component 45 to move linearly, the limit circular plate 43 drives the steel pipe to rotate, so as to carry out comprehensive flaw detection on the steel pipe, avoiding the trouble of the inspection personnel to detect the steel pipe flaw, which is time-consuming and laborious, and brings great inconvenience to the use of the inspection personnel.

The flaw detection mechanism 4 includes a movable sleeve 41 arranged on one side of the positioning frame 3 , and a flaw detector body 42 slidably arranged on the top of the support frame 2 . 43. The movable sleeve 41 is provided with a positioning assembly 44 for positioning the steel pipe. The flaw detection mechanism 4 also includes a drive assembly 45 provided on the flaw detector body 42 for driving it and the limit circular plate 43 to move. The flaw detector body 42 It is an ultrasonic flaw detector, which is common knowledge of those skilled in the art, and its internal structure will not be described in detail in this proposal.

The driving assembly 45 includes a servo motor 451 fixedly installed on the top of the support frame 2, and a sliding cross bar 456 slidably arranged on the top of the support frame 2 and fixed to the flaw detector body 42. The output end of the servo motor 451 is fixed with a rotating shaft 452, and the rotating shaft One end of 452 is fixed with a threaded rod 453 that is rotatably connected with the support frame 2 through a bearing. The threaded rod 453 runs through the sliding cross bar 456 and is threadedly connected with it. There is an annular pulley 455 fixed with the limit circular plate 43. When the servo motor 451 is running, the output end of the servo motor 451 drives the rotating shaft 452 to rotate, and the rotating shaft 452 drives the threaded rod 453 at one end to rotate. When the threaded rod 453 rotates Drive the sliding crossbar 456 to slide on the support frame 2, the sliding crossbar 456 drives the flaw detector body 42 at the bottom to move, and at the same time, the rotating shaft 452 drives the transmission belt 454 to run through the pulley, and the transmission belt 454 drives the annular pulley 455 at the bottom Rotate, the annular pulley 455 drives the limit circular plate 43 on one side and the movable sleeve 41 to rotate, the movable sleeve 41 drives the steel pipe positioned outside it to rotate, and at the same time, the servo motor 451 is set to be able to rotate forward and reverse, thereby driving the flaw detection The instrument body 42 performs reciprocating motion, so that the flaw detector body 42 can perform flaw detection on the steel pipe more comprehensively.

The positioning assembly 44 includes a movable cross bar 441 arranged on the inside of the movable sleeve 41, and a limiting chute 442 provided on one side of the limiting circular plate 43 and slidingly connected with the movable cross bar 441. One end of the movable cross bar 441 is provided with a thread Groove 443, threaded groove 443 inner thread is connected with rotating screw rod 444, and one end of rotating screw rod 444 runs through the limit circular plate 43 and is fixed with screw cap 445, and the two ends of movable cross bar 441 are all fixed limit push block 446, limit push block 446 One side is provided with matching movable rods 447 around it, and the slopes around one side of the limit push block 446 match the slopes of the four movable rods 447 respectively. The movable rods 447 run through the movable sleeve 41 and connect with them. Slidingly connected, one end of the movable contact rod 447 is fixed with a limit baffle 448, and one side of the limit baffle 448 is fixed with a limit spring fixed with the movable sleeve 41, and when the movable contact rod 447 drives the limit baffle 448 to move, the limit The baffle plate 448 squeezes the limit spring, and the limit spring produces elastic deformation and is compressed, which is beneficial to provide a limit for the movement position of the movable contact rod 447, and after the flaw detection is completed, the limit push block 446 is separated from the movable contact rod 447 Afterwards, the limit spring recovers elastic deformation, and the limit spring promotes the movement of the limit baffle plate 448, and the limit baffle plate 448 drives the movable contact rod 447 to move, so that the movable contact rod 447 returns to its original position, and the movable contact rod 447 other ends are fixed with The anti-slip protrusion 449 is made of anti-slip material, which increases the friction between the anti-slip protrusion 449 and the inner wall of the steel pipe, so that the steel pipe is positioned more stably.

In this embodiment, when performing flaw detection operations on stainless steel seamless steel pipes, first put the steel pipes on the outside of the movable sleeve 41, then rotate the screw cap 445, and the screw cap 445 drives the rotating screw 444 on one side to rotate, and the rotating screw 444 Rotate inside the threaded groove 443 of the movable crossbar 441, because the rotating screw rod 444 is threadedly connected with the threaded groove 443, the rotating screw rod 444 rotates and pushes the movable crossbar 441 to move linearly, and one end of the movable crossbar 441 is in the limit chute 442 The inner side slides, and the movable cross bar 441 drives the limit push blocks 446 at both ends to move, and the limit push blocks 446 respectively promote the movable resisting rods 447 around it to move, and the movable resisting rods 447 drive the limit baffle 448 to move, and the limit stops The plate 448 squeezes the limit spring, and the limit spring produces elastic deformation and is compressed. At the same time, the movable resisting rod 447 drives the anti-slip protrusion 449 at its end to move, and the anti-slip protrusion 449 moves to contact with the inner wall of the steel pipe, thereby the steel pipe is protected. position;

After the steel pipe is positioned, start the servo motor 451, the output end of the servo motor 451 drives the rotating shaft 452 to rotate, and the rotating shaft 452 drives the threaded rod 453 at one end to rotate. When rotating, the sliding cross bar 456 is driven to slide on the support frame 2, and the sliding cross bar 456 drives the flaw detector body 42 at the bottom to move, and the flaw detector body 42 detects flaws on the steel pipe, while the rotating shaft 452 drives the transmission belt 454 to run through the pulley. Drive belt 454 drives the endless belt pulley 455 rotations of its bottom, and annular belt pulley 455 drives the limit circular plate 43 of its one side to rotate in positioning frame 3, and the limit circular plate 43 drives the movable sleeve pipe 41 of its one side to rotate, and movable The casing 41 drives the steel pipe positioned outside it to rotate, so that the flaw detection of the steel pipe is more comprehensive.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a stainless steel seamless steel pipe device of detecting a flaw, is including examining test table (1), fixed setting in support frame (2) of examining on test table (1) to and set up in support frame (2) bottom and with examine fixed locating frame (3) of test table (1), its characterized in that: a flaw detection mechanism (4) for detecting the steel pipe is arranged on the positioning frame (3);

flaw detection mechanism (4) are including setting up in movable sleeve (41) of locating frame (3) one side to and slide and set up in flaw detector body (42) at support frame (2) top, movable sleeve (41) one end is fixed with spacing plectane (43) of being connected with locating frame (3) inboard rotation, is provided with locating component (44) that are used for the steel pipe location on movable sleeve (41), and flaw detection mechanism (4) are still including setting up drive assembly (45) that are used for driving its and spacing plectane (43) activity on flaw detector body (42).

2. The flaw detector for a stainless steel seamless steel pipe according to claim 1, characterized in that: the positioning assembly (44) comprises a movable cross rod (441) arranged on the inner side of the movable sleeve (41) and a limiting sliding groove (442) arranged on one side of a limiting circular plate (43) and connected with the movable cross rod (441) in a sliding mode, a thread groove (443) is formed in one end of the movable cross rod (441), a rotating screw rod (444) is connected to the inner side of the thread groove (443) in a threaded mode, and one end of the rotating screw rod (444) penetrates through the limiting circular plate (43) and is fixed with a screw cap (445).

3. The flaw detector for a stainless steel seamless steel pipe according to claim 2, characterized in that: the two ends of the movable cross rod (441) are respectively fixed with a limiting push block (446), the periphery of one side of the limiting push block (446) is respectively provided with a movable abutting rod (447) matched with the limiting push block, and the movable abutting rod (447) penetrates through the movable sleeve (41) and is connected with the movable sleeve in a sliding mode.

4. The flaw detection apparatus for a stainless steel seamless steel pipe according to claim 3, characterized in that: one end of the movable abutting rod (447) is fixed with a limiting baffle plate (448), one side of the limiting baffle plate (448) is fixed with a limiting spring fixed with the movable sleeve (41), and the other end of the movable abutting rod (447) is fixed with an anti-skid bulge (449).

5. The flaw detector for a stainless steel seamless steel pipe according to claim 1, characterized in that: drive assembly (45) including servo motor (451) of fixed mounting in support frame (2) top to and slide and set up in support frame (2) top and with fixed slip horizontal pole (456) of flaw detector body (42), servo motor (451) output is fixed with rotation axis (452), and rotation axis (452) one end is fixed with threaded rod (453) of being connected with support frame (2) through the bearing rotation, and threaded rod (453) run through slip horizontal pole (456) and rather than threaded connection.

6. The flaw detection apparatus for a stainless steel seamless steel pipe according to claim 5, characterized in that: the rotating shaft (452) is connected with a transmission belt (454) through belt wheel transmission, and the bottom of the transmission belt (454) is connected with an annular belt wheel (455) fixed with a limiting circular plate (43) in a transmission manner.

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