Flaw detection device for large ring piece

Abstract

The utility model discloses a flaw detection device for a large ring piece, which relates to the technical field of flaw detection devices, and comprises a bottom plate and a support frame, the bottom plate is provided with a mounting groove, a driving motor is fixedly mounted in the mounting groove, the output end of the driving motor is connected with a placing plate, the placing plate is provided with a rubber layer, and the rubber layer is fixedly connected with the support frame. The support frame is fixedly mounted on the bottom plate, the support frame is connected with a connecting plate through a moving mechanism, the connecting plate is fixedly provided with a servo electric cylinder, the output end of the servo electric cylinder is connected with a mounting frame, the mounting frame is connected with two side plates through an adjusting assembly, and one end of each side plate is provided with an ultrasonic flaw detection head; according to the utility model, the distance between the ultrasonic flaw detection heads can be adjusted according to the thickness of the ring piece, and more reflection signals can be obtained from different angles and paths through flaw detection on two sides, so that parameters such as the position and the shape of a defect can be more accurately judged.

Description

TECHNICAL FIELD

[0001] The utility model relates to flaw detection device technical field, concretely is the flaw detection device of large ring piece. BACKGROUND

[0002] Large ring piece is widely used in aerospace, railway bridge, petroleum natural gas, wind power nuclear energy etc. core key field, needs to use detection device to check and detect in the manufacturing process of large ring piece, prevents the crack, gap etc. that ring piece workpiece exists inside to influence later processing quality.

[0003] In the related art, the quality of the ring piece is detected by the ultrasonic detector, and whether the ring piece has defects is detected by using the reflection of ultrasonic waves on different planes. SUMMARY

[0004] The utility model discloses a flaw detection device of large ring piece to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The flaw detection device of large ring piece comprises:

[0007] The bottom plate is provided with a mounting groove, and a driving motor is fixedly installed in the mounting groove.

[0008] The support frame is fixedly installed on the bottom plate, and a connecting plate is connected to the support frame through a moving mechanism.

[0009] Preferably, the bottom plate is provided with a placing groove, and the placing plate is slidingly connected in the placing groove.

[0010] Preferably, a plurality of pulleys are installed on the placing plate, and a rotating groove for sliding connection of the pulleys is formed at the lower end of the placing groove.

[0011] Preferably, the moving mechanism comprises a first servo motor, a threaded rod and a moving block.

[0012] Preferably, one end of the support frame is fixedly provided with a mounting plate, and the first servo motor is fixedly installed on the mounting plate.

[0013] Preferably, the adjusting assembly comprises a second servo motor, a support plate, two moving plates and a gear, the support plate is fixedly connected with the mounting frame, a connecting groove for rotating connection of the gear is formed in the support plate, the second servo motor is installed in the mounting frame and connected with the gear, one side of each of the two moving plates is provided with a rack engaged with the gear, through holes for the moving plates to pass through are formed on both sides of the connecting groove, and one end of each of the two side plates is connected with the moving plate.

[0014] Preferably, a controller is fixedly installed on the bottom plate and electrically connected with the driving motor, the first servo motor, the second servo motor and the ultrasonic flaw detector.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The driving motor is arranged, the ring part can be driven to rotate, and the ring part can be detected in all directions.

[0017] 2、The moving mechanism is arranged, the ultrasonic flaw detector can be moved and adjusted according to the diameter of the ring part, different-diameter ring parts can be adapted, the detection range is enlarged, the ultrasonic flaw detector can be in good contact with the surface of the ring part, errors are reduced, the servo cylinder is arranged, the ultrasonic flaw detector can be adjusted according to the height of the ring part to detect the ring part, and different ring parts can be detected.

[0018] 3、The adjusting assembly is arranged, the distance between the ultrasonic flaw detectors can be adjusted according to the thickness of the ring part, the ultrasonic flaw detectors on the two sides can detect the inner side and the outer side of the ring part at the same time, the detection efficiency can be improved, more reflection signals can be acquired from different angles and paths through detection on the two sides, and the position, size, shape and other parameters of defects can be more accurately judged. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a profile structure diagram of the utility model;

[0020] Figure 2 It is a sectional view of the utility model;

[0021] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0022] Figure 4 It is a sectional structure schematic view of the support frame.

[0023] In the figure: 1, the base plate; 2, the installation slot; 3, the drive motor; 4, the placement plate; 5, the rubber layer; 6, the support frame; 7, the connecting plate; 8, the servo cylinder; 9, the installation frame; 10, the side plate; 11, the ultrasonic flaw detection head; 12, the placement slot; 13, the pulley; 14, the rotating slot; 15, the first servo motor; 16, the threaded rod; 17, the moving block; 18, the moving slot; 19, the mounting plate; 20, the second servo motor; 21, the support plate; 22, the moving plate; 23, the gear; 24, the connecting slot; 25, the rack; 26, the through hole; 27, the controller. DETAILED DESCRIPTION

[0024] 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 protection scope of the utility model.

[0025] Please refer to Figures 1-4 The flaw detection device for large ring pieces comprises:

[0026] The base plate 1 is provided with an installation slot 2, and a drive motor 3 is fixedly installed in the installation slot 2. The installation slot 2 facilitates the installation and fixation of the drive motor 3. The output end of the drive motor 3 is connected with a placement plate 4. The placement plate 4 facilitates the placement of the ring piece. The base plate 1 is provided with a placement slot 12, and the placement plate 4 is slidingly connected in the placement slot 12. The placement plate 4 is provided with a rubber layer 5. The placement friction can be improved by the rubber layer 5, and the placement stability of the ring piece is improved.

[0027] The placement plate 4 is provided with a plurality of pulleys 13, and the lower end of the placement slot 12 is provided with a rotating slot 14 for the sliding connection of the pulleys 13. When the drive motor 3 drives the rotation of the placement plate 4, the pulleys 13 slide in the rotating slot 14. The friction of the rotation of the placement plate 4 can be reduced, and the load of the drive motor 3 can be reduced.

[0028] The support frame 6 is fixedly installed on the base plate 1. The support frame 6 is connected with a connecting plate 7 through a moving mechanism. The moving mechanism comprises a first servo motor 15, a threaded rod 16 and a moving block 17. The support frame 6 is provided with a moving slot 18 for the rotating connection of the threaded rod 16. The moving block 17 is threadedly connected with the threaded rod 16. The first servo motor 15 is installed at one end of the support frame 6. The output end of the first servo motor 15 is connected with the extended end of the threaded rod 16 penetrating the moving slot 18. The connecting plate 7 is connected with the moving block 17.

[0029] When the distance of the ultrasonic flaw detection head 11 is adjusted according to the diameter of the ring piece, the first servo motor 15 drives the moving block 17 to move in the moving groove 18 through the threaded rod 16, so as to drive the ultrasonic flaw detection head 11 to move and adjust, which can adapt to ring pieces of different diameters, expand the detection range, ensure good contact between the ultrasonic flaw detection head 11 and the surface of the ring piece, reduce errors, and through the setting of the servo cylinder 8, the ultrasonic flaw detection head 11 can detect the ring piece according to the height of the ring piece, so as to adapt to the detection of different ring pieces.

[0030] The connecting plate 7 is fixedly provided with a servo cylinder 8, the output end of the servo cylinder 8 is connected with a mounting frame 9, two side plates 10 are connected with the mounting frame 9 through an adjusting assembly, the adjusting assembly comprises a second servo motor 20, a supporting plate 21, two moving plates 22 and a gear 23, the supporting plate 21 is fixedly connected with the mounting frame 9, the supporting plate 21 is provided with a connecting groove 24 for rotating connection of the gear 23, the second servo motor 20 is installed in the mounting frame 9, and the second servo motor 20 is connected with the gear 23, one side of each of the two moving plates 22 is provided with a rack 25 engaged with the gear 23, and the connecting groove 24 is provided with a through hole 26 through which the moving plate 22 penetrates, one end of each of the two side plates 10 is connected with the moving plate 22, and one end of each of the two side plates 10 is provided with an ultrasonic flaw detection head 11.

[0031] When the distance between the ultrasonic flaw detection heads 11 is adjusted, the second servo motor 20 drives the gear 23 to rotate, the gear 23 drives the two moving plates 22 to move through the rack 25, and the distance between the two side plates 10 is adjusted, so that the distance between the ultrasonic flaw detection heads 11 is adjusted, the distance between the ultrasonic flaw detection heads 11 can be adjusted according to the thickness of the ring piece, the ultrasonic flaw detection heads 11 on the two sides can detect the inner side and the outer side of the ring piece at the same time, the detection efficiency is improved, more reflection signals can be obtained from different angles and paths through detection on the two sides, so that the position, size and nature of the defect can be more accurately judged, and the servo cylinder 8 can drive the ultrasonic flaw detection head 11 to adjust the height, so that different height ring pieces can be detected.

[0032] The supporting frame 6 is fixedly provided with an installation plate 19 at one end, and the first servo motor 15 is fixedly installed on the installation plate 19, so that the first servo motor 15 is conveniently installed and fixed.

[0033] Further, the bottom plate 1 is fixedly provided with a controller 27, the controller 27 is electrically connected with the driving motor 3, the first servo motor 15, the second servo motor 20 and the ultrasonic flaw detection head 11, the controller 27 can observe the detection data of the ring piece, and can control and adjust the driving motor 3, the first servo motor 15, the second servo motor 20 and the ultrasonic flaw detection head 11.

Claims

1. An apparatus for detecting flaws in a large ring, characterized by comprising: Include: The bottom plate (1) is provided with mounting groove (2), the mounting groove (2) is fixedly installed with drive motor (3), the drive motor (3) output end is connected with the placement plate (4), the placement plate (4) is equipped with rubber layer (5); Support frame (6), the support frame (6) is fixedly installed on the bottom plate (1), the support frame (6) is connected with connecting plate (7) through moving mechanism, the connecting plate (7) is fixedly installed with servo cylinder (8), the servo cylinder (8) output end is connected with installation frame (9), the installation frame (9) is connected with two side plates (10) through adjusting assembly, two side plates (10) one end is installed with ultrasonic flaw detection head (11).

2. The apparatus for detecting flaws in a large ring member according to claim 1, wherein: The bottom plate (1) is provided with placing groove (12), the placing plate (4) is connected in the placing groove (12) slidingly.

3. The apparatus for detecting flaws in a large ring member according to claim 2, wherein: The placing plate (4) is provided with a plurality of pulleys (13), and the placing groove (12) is provided with a rotating groove (14) at the lower end for the pulley (13) sliding connection.

4. The apparatus for detecting flaws in a large ring member according to claim 1, wherein: The moving mechanism includes first servo motor (15), threaded rod (16) and moving block (17), the support frame (6) is provided with moving groove (18) for threaded rod (16) rotation connection, the moving block (17) is threadedly connected with threaded rod (16), the first servo motor (15) is installed on one end of the support frame (6), and the first servo motor (15) output end is connected with the extension end of threaded rod (16) penetrating moving groove (18), the connecting plate (7) is connected with the moving block (17).

5. The apparatus for detecting flaws in a large ring member according to claim 4, wherein: The support frame (6) is fixedly installed with mounting plate (19) on one end, and the first servo motor (15) is fixedly installed on the mounting plate (19).

6. The apparatus for detecting flaws in a large ring member according to claim 1, wherein: The adjusting assembly includes second servo motor (20), support plate (21), two moving plates (22) and gear (23), the support plate (21) is fixedly connected with the installation frame (9), the support plate (21) is provided with connecting groove (24) for gear (23) rotation connection, the second servo motor (20) is installed in the installation frame (9), and the second servo motor (20) is connected with the gear (23), two moving plates (22) are provided with rack (25) on one side, which is engaged with the gear (23), the connecting groove (24) is provided with through hole (26) on both sides, and the moving plate (22) penetrates, two side plates (10) are connected with one end of the moving plate (22).

7. The apparatus for detecting flaws in a large ring member according to any one of claims 1 to 6, characterized by: The bottom plate (1) is fixedly installed with controller (27), and the controller (27) is electrically connected between the drive motor (3), the first servo motor (15), the second servo motor (20) and the ultrasonic flaw detection head (11).

Images