Ultrasonic phased array detection device for circumferential weld

Abstract

The utility model discloses an ultrasonic phased array detection device for a circumferential weld, which comprises a frame used for placing a workpiece; the detector is used for detecting a welding seam; the oscillator oscillates the welding seam when approaching the welding seam; the spray head blows external high-pressure gas to a welding seam; and the moving assembly drives the detector, the oscillator and the spray head to move in the hemispherical space. The beneficial effects of the utility model are that through cooperative operation of the moving assembly and the arc-shaped assembly, multi-angle detection of a workpiece is facilitated, and the detection precision is effectively improved; and through the combined action of the oscillator and the spray head, welding slag can be conveniently cleaned, and the detection precision is indirectly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a welding seam detection technical field, especially a kind of annular welding seam ultrasonic phased array detection device. BACKGROUND

[0002] In prior art, for example, the document with application number 202320130479.5 and application name a kind of annular welding seam ultrasonic detection device, the document is moved downward by driving motor and ultrasonic detector, so that it is close to welding part, then according to the diameter of annular welding, dial moving block is moved horizontally, drives ultrasonic detector to move, adjusts its position and annular welding seam corresponding;The detection angle of ultrasonic detector by the structure has greater limitation, and in reality, welding seam is mostly inclined plane, which affects the detection quality. UTILITY MODEL CONTENT

[0003] Therefore, it is necessary to provide a kind of annular welding seam ultrasonic phased array detection device for the above technical problems;

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme;Including;

[0005] Frame, for placing workpiece;

[0006] Detector, for detecting welding seam;

[0007] Oscillator, when oscillator is close to welding seam, oscillate welding seam;

[0008] Spray head, high-pressure gas from outside is blown to welding seam;

[0009] Moving assembly;Moving assembly drives detector, oscillator and spray head to move in hemispherical space.

[0010] Further, the moving assembly includes a linear motor mounted on the upper end of the frame, a rotary motor mounted on the telescopic end of the linear motor, an electric telescopic rod mounted on the telescopic end of the rotary motor, and an arc-shaped assembly mounted on the telescopic end of the electric telescopic rod.

[0011] Further, the arc-shaped assembly includes an arc-shaped slide rail mounted on the telescopic end of the electric telescopic rod, an arc-shaped slide block mounted in the arc-shaped slide rail, a step motor mounted on the side wall of the arc-shaped slide block, a gear mounted on the rotating end of the step motor, an arc-shaped rack meshing with the gear mounted on the arc-shaped slide rail, and a connecting rod mounted on the bottom of the arc-shaped slide block.

[0012] Further, the electric telescopic rod and the connecting rod each have one;The detector, oscillator and spray head are connected to the lower end of the connecting rod, and the detector, oscillator and spray head are arranged horizontally.

[0013] Further, the electric telescopic rod and the connecting rod are respectively provided with two, the detector is fixedly connected with one of the connecting rods, and the oscillator and the spray head are connected with the other connecting rod.

[0014] Further, the oscillator is connected with the connecting rod through the elastic sheet.

[0015] Through the arrangement of the elastic sheet, the oscillator can more fully play the vibration performance, and the connecting rod can be buffered.

[0016] Further, the moving range of the connecting rod is a sector, and the central angle of the sector is 90 degrees.

[0017] Further, the connecting rod is a long rod, and the movement only drives the detector, the oscillator and the spray head to change the angle.

[0018] Further, the connecting rod is a short rod, and the movement of the short rod drives the detector, the oscillator and the spray head to change the angle and also to change the arc displacement.

[0019] Compared with the prior art, the technical scheme has the following beneficial effects: through the cooperation of the moving assembly and the arc assembly, the workpiece can be detected at multiple angles, and the detection accuracy is effectively improved.

[0020] Through the joint action of the oscillator and the spray head, the welding slag can be cleaned, and the detection accuracy is indirectly improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the annular welding seam ultrasonic phased array detection device;

[0022] Figure 2 It is a partial schematic view of the arc assembly;

[0023] Figure 3 It is an enlarged schematic view of the detector;

[0024] Figure 4 It is a schematic view of the moving assembly;

[0025] In the figure, 1 is a frame; 2 is a workpiece; 3 is a detector; 4 is an oscillator; 5 is a spray head; 6 is a moving assembly; 61 is a linear motor; 62 is a rotary motor; 63 is an electric telescopic rod; 631 is an arc assembly; 6311 is an arc-shaped sliding rail; 6312 is an arc-shaped sliding block; 6313 is a stepping motor; 6314 is a gear; 6315 is a connecting rod; 6316 is an arc-shaped rack; 41 is an elastic sheet; 111 is a long rod; and 112 is a short rod. DETAILED DESCRIPTION

[0026] To solve the above technical problems;

[0027] The embodiment of the present application provides a kind of annular weld ultrasonic phased array detection device, please refer to Figures 1-4 : including;

[0028] Frame 1 for placing workpiece 2;

[0029] Detector 3 for detecting weld;

[0030] Oscillator 4;When oscillator 4 approaches weld, oscillate weld;

[0031] Spray head 5;High pressure gas from outside is blown to weld;

[0032] Moving assembly 6;Moving assembly 6 drives detector 3, oscillator 4, spray head 5 to move in hemispherical space.

[0033] Specifically in practical application, workpiece 2 can be placed to frame 1 specified position for detection artificially, also can set a conveyor belt through frame 1, workpiece 2 can also be delivered to the position of detection by the movement of conveyor belt, when workpiece 2 moves to position, control moving assembly 6 work drives detector 3, oscillator 4, spray head 5 to move, facilitate to detect workpiece 2 of moving from different angles, also can detect weld of different height;

[0034] Contact oscillator 4 with the position of weld before detection, through vibration, can separate slag from weld;Spray head 5 is communicated with high pressure air pump from outside, high pressure air is sprayed out through spray head 5, convenient for slag cleaning, facilitate later detection, spray head 5 and detector 3 need not contact weld and can work, oscillator 4 is contacted, so the position of oscillator 4 is lower.

[0035] Refer to Figure 1 And Figure 4 , moving assembly 6 includes linear motor 61 installed on the upper end of frame 1, linear motor 61 telescopic end is installed with rotating motor 62, rotating motor 62 telescopic end is installed with electric telescopic rod 63, electric telescopic rod 63 telescopic end is installed with arc-shaped assembly 631.

[0036] Specifically in practical application, through the telescopic of linear motor 61, rotating motor 62, electric telescopic rod 63 and arc-shaped assembly 631 can be driven to move in vertical direction, through the rotation of rotating motor 62, arc-shaped assembly 631 can be driven to do circular motion.

[0037] Refer to Figure 1 、 Figure 2 And Figure 3, the arc-shaped assembly 631 comprises an arc-shaped slide rail 6311 mounted at the telescopic end of the electric telescopic rod 63, an arc-shaped slide block 6312 is mounted in the arc-shaped slide rail 6311, a stepping motor 6313 is mounted on the side wall of the arc-shaped slide block 6312, a gear 6314 is mounted at the rotating end of the stepping motor 6313, an arc-shaped rack 6316 meshing with the gear 6314 is mounted on the arc-shaped slide rail 6311, and a connecting rod 6315 is mounted at the bottom of the arc-shaped slide block 6312.

[0038] Specifically in actual application, the arc-shaped slide rail 6311 is distributed on a quarter circle, an arc-shaped groove is formed in the arc-shaped slide rail 6311 and matched with the arc-shaped slide block 6312, the arc-shaped slide block 6312 can move along the arc-shaped groove, the stepping motor 6313 drives the gear 6314 to rotate, the gear 6314 meshes with the arc-shaped rack 6316 to generate a reaction force, the arc-shaped slide block 6312 is driven to move along the arc-shaped groove, and the connecting rod 6315 also moves.

[0039] With reference to Figure 1 and Figure 3 , one electric telescopic rod 63 and one connecting rod 6315 are arranged; the detector 3, the oscillator 4 and the spray head 5 are connected to the lower end of the connecting rod 6315, and the detector 3, the oscillator 4 and the spray head 5 are arranged horizontally.

[0040] Specifically in actual application, the detector 3, the oscillator 4 and the spray head 5 are arranged on the same connecting rod 6315, so that one connecting rod 6315 and one electric telescopic rod 63 can be saved, and the inspection operation can still be completed;

[0041] Through the horizontal arrangement of the detector 3, the oscillator 4 and the spray head 5, interference in the vertical direction can be avoided, the oscillator 4 is first brought into contact with the weld, then the spray head 5 is rotated around the weld, and finally the detection is performed.

[0042] With reference to Figure 1 and Figure 3 , two electric telescopic rods 63 and two connecting rods 6315 are arranged, the detector 3 is fixedly connected to one of the connecting rods 6315, and the oscillator 4 and the spray head 5 are connected to the other connecting rod 6315.

[0043] Specifically in actual application, through the arrangement that the detector 3 is fixedly connected to one of the connecting rods 6315, the detector 3 can be brought as close as possible to the weld, and the detection precision is improved.

[0044] With reference to Figure 1 and Figure 4 , the oscillator 4 is connected to the connecting rod 6315 through the elastic sheet 41.

[0045] Specific in practical application, through the setting of the elastic sheet 41, the oscillator 4 can more fully play the vibration performance, and the connecting rod 6315 can also play a buffering role.

[0046] Referring to Figure 1 and Figure 2 , the moving range of the connecting rod 6315 is a sector, and the central angle of the sector is 90 degrees.

[0047] Specific in practical application, the detection instrument 3, the oscillator 4 and the nozzle 5 can be driven to adjust the detection angle by the moving mode.

[0048] Referring to Figure 1 and Figure 2 , the connecting rod 6315 is a long rod 111, and the movement of the long rod 111 only drives the detection instrument 3, the oscillator 4 and the nozzle 5 to change the angle.

[0049] Specific in practical application, when the rotation center of the detection instrument 3, the oscillator 4 and the nozzle 5 coincides with the center of the arc-shaped slide rail 6311, it is a long rod 111, and when the long rod 111 is used, the step motor 6313 drives the detection instrument 3, the oscillator 4 and the nozzle 5 to adjust the angle.

[0050] Referring to Figure 1 and Figure 2 , the connecting rod 6315 is a short rod 112, and the movement of the short rod 112 drives the detection instrument 3, the oscillator 4 and the nozzle 5 to change the angle and also to displace in an arc shape.

[0051] Specific in practical application, when the short rod 112 is shorter than the long rod 111, the detection instrument 3, the oscillator 4 and the nozzle 5 change the angle and also displace in an arc shape, and the electrical appliance in the application is electrically connected with the external controller.

Claims

1. An ultrasonic phased array detection device for circumferential welds, characterized in that, include; Frame (1), used to place workpiece (2); The testing instrument (3) is used to inspect welds; Oscillator (4), when oscillator (4) approaches the weld, it vibrates the weld; The nozzle (5) blows high-pressure gas from the outside towards the weld; The moving component (6) drives the detector (3), oscillator (4), and nozzle (5) to move within the hemispherical space.

2. The ultrasonic phased array detection device for circumferential welds according to claim 1, characterized in that, The moving component (6) includes a linear motor (61) mounted on the upper end of the frame (1), a rotary motor (62) mounted on the telescopic end of the linear motor (61), an electric telescopic rod (63) mounted on the telescopic end of the rotary motor (62), and an arc-shaped component (631) mounted on the telescopic end of the electric telescopic rod (63).

3. The ultrasonic phased array detection device for circumferential welds according to claim 2, characterized in that, The arc-shaped component (631) includes an arc-shaped slide rail (6311) installed at the telescopic end of the electric telescopic rod (63), an arc-shaped slider (6312) installed inside the arc-shaped slide rail (6311), a stepper motor (6313) installed on the side wall of the arc-shaped slider (6312), a gear (6314) installed on the rotating end of the stepper motor (6313), an arc-shaped rack (6316) that meshes with the gear (6314) installed on the arc-shaped slide rail (6311), and a connecting rod (6315) installed at the bottom of the arc-shaped slider (6312).

4. The ultrasonic phased array detection device for circumferential welds according to claim 3, characterized in that, Each of the electric telescopic rod (63) and the connecting rod (6315) is provided; the detector (3), the oscillator (4) and the nozzle (5) are connected to the lower end of the connecting rod (6315), and the detector (3), the oscillator (4) and the nozzle (5) are arranged horizontally.

5. The ultrasonic phased array detection device for circumferential welds according to claim 4, characterized in that, Two electric telescopic rods (63) and two connecting rods (6315) are provided. The detector (3) is fixedly connected to one of the connecting rods (6315), and the vibrator (4) and the nozzle (5) are connected to the other connecting rod (6315).

6. The ultrasonic phased array detection device for circumferential welds according to claim 4 or 5, characterized in that, The oscillator (4) is connected to the connecting rod (6315) via an elastic sheet (41).

7. The ultrasonic phased array detection device for circumferential welds according to claim 6, characterized in that, The moving range of the connecting rod (6315) is a sector with a central angle of 90 degrees.

8. The ultrasonic phased array detection device for circumferential welds according to claim 7, characterized in that, The connecting rod (6315) is a long rod (111). The movement of (111) only causes the detector (3), oscillator (4) and nozzle (5) to change angle.

9. The ultrasonic phased array detection device for circumferential welds according to claim 7, characterized in that, The connecting rod (6315) is a short rod (112). The movement of the short rod (112) causes the detector (3), oscillator (4) and nozzle (5) to change angles and undergo arc displacement.

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