Phased array scanning device for small-diameter tube

Abstract

The utility model belongs to the technical field of small-diameter tube detection, and particularly relates to a small-diameter tube phased array scanning device which comprises a mounting seat, mounting columns are fixedly mounted at the front end and the rear end of the upper surface of the mounting seat respectively, and adjusting devices are arranged in the mounting columns. The adjusting device comprises a first motor, a rotating rod, a driving gear, a driven gear, a rotating rod and a swing rod. According to the phased array scanning device for the small-diameter tube, when the small-diameter tube is detected, the gradient of a fixed ring is adjusted according to the gradient of the small-diameter tube, and at the moment, a first motor is started to control a driving gear to rotate, so that a driven gear drives a rotating rod to rotate, a swing rod drives the fixed ring to swing, and the inclination angle of the fixed ring is adjusted; then, a second motor is started, a rotating gear ring is controlled to rotate, a rotating ring is driven to rotate, the rotating ring drives the phased array ultrasonic detector to conduct circular motion around the small-diameter pipe in the middle, and therefore all-dimensional detection is conducted on the whole periphery of the small-diameter pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of small-diameter pipe detection, in particular to a phased array scanning device for small-diameter pipes. Background Technique

[0002] As disclosed in a phased array ultrasonic detection device and its working method for small-diameter pipe welds (application number: 202011168048.5) on the Chinese Patent Network, in order to solve the problem that during the detection process of small-diameter pipes, when the distance error does not meet the requirements, repeated measurement and loading / unloading are required, resulting in complex operations. At the same time, when detecting larger-diameter pipes, there are many components in the detection mechanism, and it is easy to loosen and fall during on-site use. A compensation block is arranged inside the fixed ring rail. By setting compensation blocks of different sizes, the detection of pipes of different sizes can be satisfied, thereby saving components and being more convenient for loading and unloading.

[0003] However, this detection mechanism detects the small-diameter pipe inside the fixed ring rail by installing the detection probe on the fixed ring rail. However, this fixed ring rail cannot adjust the inclination angle, which is not convenient for detecting small-diameter pipes with different inclinations. In addition, the detection probe is fixed on the fixed ring rail and cannot detect the small-diameter pipe comprehensively. Content of the Utility Model

[0004] Based on the technical problems that the existing small-diameter pipe detection mechanism is not convenient for detecting small-diameter pipes with different inclination degrees and not convenient for comprehensively detecting small-diameter pipes, the utility model proposes a phased array scanning device for small-diameter pipes.

[0005] A phased array scanning device for small-diameter pipes proposed by the utility model includes a mounting base. Installation columns are respectively and fixedly installed at the front and rear ends of the upper surface of the mounting base. An adjusting device is arranged inside the installation column. The adjusting device includes a first motor, a rotating rod, a driving gear, a driven gear, a rotating rod and a swinging rod. When the first motor is started, the rotating shaft drives the rotating rod and the driving gear to rotate. The driving gear drives the driven gear and the rotating rod to rotate. The rotating rod drives the swinging rod to swing.

[0006] Preferably, the first motor is fixedly installed inside the installation column at the rear. The rotating rod is fixedly connected to the rotating shaft of the first motor. The driving gear is fixedly installed on the front surface of the rotating rod. The rotating rod is rotatably connected inside the installation column at the front.

[0007] Through the above technical solution, when the first motor is started, the rotating shaft drives the rotating rod to rotate, and then drives the driving gear to rotate.

[0008] Preferably, the rotating rod is rotatably connected to the upper end inside the mounting post, the driven gear is fixedly installed on the outer surface of the rotating rod, the outer surface of the driven gear meshes with the outer surface of the driving gear, the swing rod is fixedly installed on the outer surface of the rotating rod, and the swing rod is located between the two mounting posts.

[0009] Through the above technical solution, the rotating rod is stuck inside the mounting post to rotate, the swing rod is stuck between the two mounting posts to swing, and when the driving gear rotates, it drives the driven gear to rotate.

[0010] Preferably, a fixing ring is fixedly installed on the outer surface of the swing rod, a rotating toothed ring is rotatably connected inside the fixing ring, a rotating ring is fixedly installed on the upper surface of the rotating toothed ring, and a phased array ultrasonic detector is fixedly installed on the upper surface of the rotating ring.

[0011] Through the above technical solution, the rotating toothed ring and the rotating ring are stuck inside the fixing ring to rotate, and the rotating ring drives the phased array ultrasonic detector to perform a circular motion around the small diameter pipe in the middle.

[0012] Preferably, an arc plate is fixedly installed on the upper surface of the swing rod, a second motor is fixedly installed on the outer surface of the arc plate, a fixing round rod is fixedly installed at the lower end of the rotating shaft of the second motor, and the outer surface of the fixing round rod is rotatably connected to the inside of the swing rod.

[0013] Through the above technical solution, when the second motor is started, the rotating shaft drives the fixing round rod to rotate, and the arc plate moves along with the swing rod.

[0014] Preferably, a rotating gear is fixedly installed on the lower surface of the fixing round rod, and the outer surface of the rotating gear meshes with the outer surface of the rotating toothed ring.

[0015] Through the above technical solution, the fixing round rod drives the rotating gear to rotate, and when the rotating gear rotates, it controls the rotating toothed ring to rotate.

[0016] The beneficial effects in the present utility model are as follows:

[0017] By setting the adjusting device, when detecting a small-diameter pipe, first adjust the inclination of the fixed ring according to the inclination of the small-diameter pipe. At this time, start the first motor to drive the rotating rod to rotate by the rotating shaft, and then drive the driving gear to rotate. When the driving gear rotates, it drives the driven gear to rotate, so that the rotating rod rotates. The rotating rod is stuck and rotates inside the mounting post, and the swing rod is stuck and swings between the two mounting posts, thereby driving the fixed ring to swing and adjusting the inclination angle of the fixed ring until the inclination of the small-diameter pipe to be detected is level with the fixed ring. Then start the second motor to drive the fixed round rod to rotate by the rotating shaft. The fixed round rod drives the rotating gear to rotate, controls the rotating toothed ring to rotate, drives the rotating ring to rotate, and the rotating ring drives the phased array ultrasonic detector to perform a circular motion around the middle small-diameter pipe, so as to perform a full-range detection on the entire periphery of the small-diameter pipe, achieving the effects of facilitating the detection of small-diameter pipes with different inclinations and facilitating full-range detection. Description of the Drawings

[0018] Figure 1 Schematic diagram of a phased array scanning device for small-diameter pipes proposed by the present utility model;

[0019] Figure 2 Cross-sectional view of the fixed ring structure of a phased array scanning device for small-diameter pipes proposed by the present utility model;

[0020] Figure 3 Three-dimensional view of the fixed ring structure of a phased array scanning device for small-diameter pipes proposed by the present utility model.

[0021] In the figure: 1, mounting base; 2, mounting post; 3, first motor; 4, rotating rod; 5, driving gear; 6, driven gear; 7, rotating rod; 8, swing rod; 81, fixed ring; 82, rotating toothed ring; 83, rotating ring; 84, phased array ultrasonic detector; 85, arc plate; 86, second motor; 87, fixed round rod; 88, rotating gear. Specific Embodiments

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Refer to Figures 1-3, A phased array scanning device for small-diameter pipes, including a mounting base 1. At the front and rear ends of the upper surface of the mounting base 1, mounting columns 2 are respectively fixedly installed. In order to facilitate the adjustment of the inclination of the small-diameter pipe detection mechanism, an adjustment device is arranged inside the mounting column 2. The adjustment device includes a first motor 3, a rotating rod 4, a driving gear 5, a driven gear 6, a rotating rod 7 and a swinging rod 8. When the first motor 3 is started, the rotating shaft drives the rotating rod 4 and the driving gear 5 to rotate. The driving gear 5 drives the driven gear 6 and the rotating rod 7 to rotate. The rotating rod 7 drives the swinging rod 8 to swing.

[0024] In order to facilitate the rotation of the driving gear 5 by the first motor 3, the first motor 3 is fixedly installed inside the rear mounting column 2. The rotating rod 4 is fixedly connected to the rotating shaft of the first motor 3. The driving gear 5 is fixedly installed on the front surface of the rotating rod 4. The rotating rod 4 is rotatably connected inside the front mounting column 2. When the first motor 3 is started, the rotating shaft drives the rotating rod 4 to rotate, and then drives the driving gear 5 to rotate.

[0025] In order to facilitate the control of the swinging rod 8 to swing between the two mounting columns 2, the rotating rod 7 is rotatably connected inside the upper end of the mounting column 2. The driven gear 6 is fixedly installed on the outer surface of the rotating rod 7. The outer surface of the driven gear 6 meshes with the outer surface of the driving gear 5. The swinging rod 8 is fixedly installed on the outer surface of the rotating rod 7. The swinging rod 8 is located between the two mounting columns 2. The rotating rod 7 is stuck inside the mounting column 2 and rotates, so that the swinging rod 8 is stuck between the two mounting columns 2 and swings. When the driving gear 5 rotates, it drives the driven gear 6 to rotate.

[0026] In order to facilitate the control of the phased array ultrasonic detector 84 to perform circular motion around the middle small-diameter pipe, a fixed ring 81 is fixedly installed on the outer surface of the swinging rod 8. A rotating toothed ring 82 is rotatably connected inside the fixed ring 81. A rotating ring 83 is fixedly installed on the upper surface of the rotating toothed ring 82. A phased array ultrasonic detector 84 is fixedly installed on the upper surface of the rotating ring 83. The rotating toothed ring 82 and the rotating ring 83 are stuck inside the fixed ring 81 and rotate. The rotating ring 83 drives the phased array ultrasonic detector 84 to perform circular motion around the middle small-diameter pipe.

[0027] In order to facilitate the control of the fixed round rod 87 to rotate by the second motor 86, an arc plate 85 is fixedly installed on the upper surface of the swinging rod 8. A second motor 86 is fixedly installed on the outer surface of the arc plate 85. The lower end of the rotating shaft of the second motor 86 is fixedly installed with a fixed round rod 87. The outer surface of the fixed round rod 87 is rotatably connected to the inside of the swinging rod 8. When the second motor 86 is started, the rotating shaft drives the fixed round rod 87 to rotate, and the arc plate 85 moves along with the swinging rod 8.

[0028] To facilitate the control of the rotation of the rotating gear ring 82, a rotating gear 88 is fixedly installed on the lower surface of the fixed circular rod 87. The outer surface of the rotating gear 88 meshes with the outer surface of the rotating gear ring 82. The fixed circular rod 87 drives the rotating gear 88 to rotate, and when the rotating gear 88 rotates, it controls the rotation of the rotating gear ring 82.

[0029] By setting the adjusting device, when detecting the small-diameter pipe, first adjust the inclination of the fixed ring 81 according to the inclination of the small-diameter pipe. At this time, start the first motor 3, so that the rotating shaft drives the rotating rod 4 to rotate, and then drives the driving gear 5 to rotate. When the driving gear 5 rotates, it drives the driven gear 6 to rotate, so that the rotating rod 7 rotates. The rotating rod 7 rotates within the mounting column 2, and the swinging rod 8 swings between the two mounting columns 2, thereby driving the fixed ring 81 to swing and adjusting the inclination angle of the fixed ring 81 until the inclination of the small-diameter pipe to be detected is equal to that of the fixed ring 81. Then start the second motor 86, so that the rotating shaft drives the fixed circular rod 87 to rotate. The fixed circular rod 87 drives the rotating gear 88 to rotate, controls the rotation of the rotating gear ring 82, drives the rotating ring 83 to rotate, and the rotating ring 83 drives the phased array ultrasonic detector 84 to perform a circular motion around the middle small-diameter pipe, thereby performing a full-range detection on the entire periphery of the small-diameter pipe, achieving the effects of facilitating the detection of small-diameter pipes with different inclinations and facilitating full-range detection.

[0030] Working principle: When detecting the small-diameter pipe, first adjust the inclination of the fixed ring 81 according to the inclination of the small-diameter pipe. At this time, start the first motor 3, so that the rotating shaft drives the rotating rod 4 to rotate, and then drives the driving gear 5 to rotate. When the driving gear 5 rotates, it drives the driven gear 6 to rotate, so that the rotating rod 7 rotates. The rotating rod 7 rotates within the mounting column 2, and the swinging rod 8 swings between the two mounting columns 2, thereby driving the fixed ring 81 to swing and adjusting the inclination angle of the fixed ring 81 until the inclination of the small-diameter pipe to be detected is equal to that of the fixed ring 81. Then start the second motor 86, so that the rotating shaft drives the fixed circular rod 87 to rotate. The fixed circular rod 87 drives the rotating gear 88 to rotate, controls the rotation of the rotating gear ring 82, drives the rotating ring 83 to rotate, and the rotating ring 83 drives the phased array ultrasonic detector 84 to perform a circular motion around the middle small-diameter pipe, thereby performing a full-range detection on the entire periphery of the small-diameter pipe.

[0031] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A small-diameter tube phased array scanning device, comprising a mounting base (1), characterized in that: The front and rear ends of the upper surface of the mounting seat (1) are respectively fixedly mounted with mounting columns (2); an adjusting device is arranged inside the mounting column (2); the adjusting device comprises a first motor (3), a rotating rod (4), a driving gear (5), a driven gear (6), a rotating rod (7) and a swinging rod (8); when the first motor (3) is started, the rotating shaft drives the rotating rod (4) and the driving gear (5) to rotate; the driving gear (5) drives the driven gear (6) and the rotating rod (7) to rotate; and the rotating rod (7) drives the swinging rod (8) to swing.

2. The small-diameter tube phased array scanning device according to claim 1, characterized in that: The first motor (3) is fixedly mounted inside the mounting column (2) located at the rear, the rotating rod (4) is fixedly connected to the rotating shaft of the first motor (3), the driving gear (5) is fixedly mounted on the front end surface of the rotating rod (4), and the rotating rod (4) is rotatably connected inside the mounting column (2) located at the front.

3. The small-diameter tube phased array scanning device according to claim 1, characterized in that: The rotating rod (7) is rotatably connected to the interior of the upper end of the mounting column (2); the driven gear (6) is fixedly mounted on the outer surface of the rotating rod (7); the outer surface of the driven gear (6) is meshed with the outer surface of the driving gear (5); the swing rod (8) is fixedly mounted on the outer surface of the rotating rod (7); and the swing rod (8) is located between the two mounting columns (2).

4. The small-diameter tube phased array scanning device according to claim 1, characterized in that: A fixed ring (81) is fixedly mounted on the outer surface of the swing rod (8), a rotating gear ring (82) is rotatably connected inside the fixed ring (81), a rotating ring (83) is fixedly mounted on the upper surface of the rotating gear ring (82), and a phased array ultrasonic detector (84) is fixedly mounted on the upper surface of the rotating ring (83).

5. The small-diameter tube phased array scanning device according to claim 4, characterized in that: A circular arc plate (85) is fixedly mounted on the upper surface of the swing rod (8), a second motor (86) is fixedly mounted on the outer surface of the circular arc plate (85), a fixed round rod (87) is fixedly mounted on the lower end of the rotating shaft of the second motor (86), and the outer surface of the fixed round rod (87) is rotatably connected to the inside of the swing rod (8).

6. The small-diameter tube phased array scanning device according to claim 5, characterized in that: A rotating gear (88) is fixedly mounted on the lower surface of the fixed round rod (87), and the outer surface of the rotating gear (88) is meshed with the outer surface of the rotating gear ring (82).

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