CN216669844U - Magnetic wheel driven crawling ultrasonic scanner - Google Patents
Magnetic wheel driven crawling ultrasonic scanner Download PDFInfo
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- CN216669844U CN216669844U CN202123003142.8U CN202123003142U CN216669844U CN 216669844 U CN216669844 U CN 216669844U CN 202123003142 U CN202123003142 U CN 202123003142U CN 216669844 U CN216669844 U CN 216669844U
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Abstract
A magnetic wheel driven crawling ultrasonic scanner belongs to the technical field of ultrasonic nondestructive testing. The problem of carrying out nondestructive inspection on the welding seam and the plate of the large ferrous metal welding part is solved. The flaw detection scanning device comprises a driving device and a flaw detection scanning frame, wherein the driving device is a double-body driving device formed by connecting two driving trolleys in parallel through a hinge; the flaw detection scanning frame is a welding seam flaw detection scanning frame or a plate flaw detection scanning frame and is connected with the two driving trolleys through a connecting mechanism. The driving trolleys are magnetic wheel crawling driving trolleys, and each driving trolley comprises a trolley body, a powerful magnetic wheel, a transmission mechanism and a handle; a speed reducing motor in the vehicle body is connected with a powerful magnetic wheel shaft through a transmission mechanism; two strong magnetic wheels are arranged at the end parts of the strong magnetic wheel shafts at the outer sides of the two driving trolleys. The ultrasonic flaw detection device has the characteristics of compact structure, convenience in operation and high flaw detection scanning precision, and is suitable for carrying out ultrasonic nondestructive detection on welding seams and plates of black metal large-sized welded pipelines, spherical tanks, ship bodies and steel box girders.
Description
Technical Field
The utility model belongs to the technical field of ultrasonic nondestructive testing, and mainly relates to a magnetic wheel drive crawling ultrasonic scanner for carrying out nondestructive flaw detection on welding seams and plates of large ferrous metal welding parts.
Background
The method is characterized in that ultrasonic nondestructive detection is carried out on welding seams of large black metal welded pipelines, spherical tanks, ship bodies and steel box girders and defects such as corrosion and cracks in plates, and generally, the defects are detected at the welding seams of large ferromagnetic steel members needing detection by manually holding ultrasonic nondestructive detection equipment. Or the detection is carried out on the plate material of the whole component by a handheld detection device. The components have large volume, different shapes and high height, so that the detection work is difficult. The operator needs the cooperation of manned hanging basket or scaffold frame just can accomplish the operation. The detection method has the advantages of high difficulty, high cost, more potential safety hazards and difficulty in ensuring the detection quality.
Disclosure of Invention
The utility model aims to provide a magnetic wheel driven crawling ultrasonic scanner which can be used for accurately scanning ultrasonic flaw detection of welding seams and plates at various positions of a large ferrous metal welding part.
The utility model is realized by the following technical scheme, which comprises a driving device and a flaw detection scanning frame, and is characterized in that: the driving device is a double-body driving device formed by connecting a driving trolley A and a driving trolley B in parallel through a hinge; the flaw detection scanning frame is a welding seam flaw detection scanning frame or a plate flaw detection scanning frame and is connected with the driving trolley A and the driving trolley B through a connecting mechanism;
the driving trolleys are magnetic wheel crawling driving trolleys, and the two driving trolleys comprise trolley bodies, powerful magnetic wheels and handles; a speed reducing motor in the vehicle body is connected with a powerful magnetic wheel shaft through a transmission mechanism; two strong magnetic wheels are arranged at the end parts of the strong magnetic wheel shafts at the outer sides of the two driving trolleys;
the hinges connecting the two driving trolleys on the inner sides of the driving trolley A and the driving trolley B are conical hinges; the concave end cone hinge and the convex end cone hinge are respectively connected with the two driving trolleys and are connected and locked through locking bolts;
one side of the connecting mechanism is sleeved on an annular hinge connecting sleeve which is positioned on the vehicle body and is concentric with the powerful magnetic wheel shaft through two annular hinges, and a cam locking device is arranged on the connecting mechanism; the other side of the connecting mechanism is connected with the flaw detection scanning frame through a bolt and a connecting locking block.
The welding seam flaw detection scanning frame consists of two parts which are connected through a movable joint, and the two parts of flaw detection scanning frame are respectively connected with the car bodies of the two driving trolleys through connecting mechanisms; and the scanning probes are arranged on the welding seam flaw detection scanning frame through the loading arm.
The plate flaw detection scanning frame is provided with a transverse axial driving slide rail, and the transverse axial driving slide rail is connected with the car bodies of the two driving trolleys through a connecting mechanism; a probe loading arm sliding block is arranged on the transverse axial driving sliding rail, and a transverse axial driving motor for driving the probe loading arm sliding block to reciprocate is arranged at one end of the transverse axial driving sliding rail; the probe loading arm provided with the scanning probe is connected with the probe loading arm sliding block.
The driving device is connected with a portable power supply through a driving cable, and the portable power supply is connected with a controller of the driving device through a control cable.
When the double-body crawling weld joint scanner works, the double-body crawling weld joint scanner is placed on the surface of a part to be detected, a portable power supply and a controller are connected, the positions and the postures of the driving trolley and the flaw detection scanning frame are adjusted, and locking is carried out, so that scanning operation can be carried out. For the welding seam on the cylindrical surface, the two trolleys are in a certain angle to adapt to the cylindrical surface by adjusting the conical hinge. The driving trolley of the welding seam flaw detection scanning frame linearly travels along the welding seam direction, and a plurality of scanning probes on the scanning frame carry out multi-directional flaw detection scanning on the welding seam. The plate flaw detection scanning frame is driven by the driving trolley, and when the plate flaw detection scanning frame runs forwards in a stepping mode, the transverse axial driving motor on the scanning frame drives the scanning probe to scan back and forth once every time the plate flaw detection scanning frame moves forwards, so that the whole plate can be scanned comprehensively. The controller can adjust the running speed and the running direction of the device, and the effect and the precision of the operation are ensured. The scanning probe is connected with the ultrasonic imaging equipment, and the scanning result is automatically collected, processed and stored.
The utility model has the advantages that the driving device is formed by two driving trolleys in parallel, the conical hinge between the two driving trolleys and the movable joint between the two parts of the probing type scanning frame can adapt to the requirements of scanning surfaces of different welding seams to be adjusted, the contact area between the powerful magnetic wheel and the walking surface is ensured, and the accurate position between the scanning probe and the welding seam is ensured. The powerful magnetic wheel can keep the driving device to operate stably and accurately, and can carry out flaw detection scanning on a plane welding seam, an inner and outer cylindrical surface welding seam, a vertical plane welding seam and a top surface overhead welding seam. And the plate materials with various shapes of the member can be subjected to all-round flaw detection and scanning. Auxiliary equipment such as a scaffold is not needed, and the flaw detection of the large-sized welding part can be carried out on the ground through automatically controlling the magnetic wheel to drive the ultrasonic scanner. The ultrasonic flaw detection device has the characteristics of compact structure, convenience in operation, wide adaptability and high flaw detection scanning precision, and is suitable for carrying out ultrasonic nondestructive detection on the welding seams of large-size black metal welded pipelines, spherical tanks, ship bodies and steel box girders, and the defects of corrosion, cracks and the like in plates.
Drawings
FIG. 1 is a schematic structural diagram of the present invention, namely a structural diagram of a scanning frame for detecting flaws of welding seams;
FIG. 2 is a schematic structural view of a scanning rack for flaw detection of sheet material, wherein the controller and the portable power supply are not shown;
FIG. 3 is a schematic view of the structure of the driving cart;
FIG. 4 is a schematic view of the structure of the connecting device;
FIG. 5 is a schematic view of two drive carts connected in parallel;
fig. 6 is a cross-sectional view D-D of fig. 5, i.e., a schematic view of a tapered attachment hinge.
In the figure, 1 is a detected pipe fitting, 2 is a welding seam flaw detection scanning frame, 3 is a driving trolley A, 4 is a driving cable, 5 is a control cable, 6 is a controller, 7 is a portable power supply, 8 is a pressure spring probe loading arm, 9 is a connecting mechanism, 10 is a hinge, 11 is a crawler cable joint, 12 is a transverse axial driving slide rail, 13 is a probe loading arm sliding block, 14 is a driving trolley B, 15 is a transverse axial driving motor, and 16 is a probe loading arm; 1.1 is a pipe welding seam, 3.1 is a powerful magnetic wheel, 3.2 is a vehicle body, 3.3 is a handle, 3.4 is outlet arrowroot, 3.5 is an annular hinge connecting sleeve, 9.1 is an annular hinge, 9.2 is a cam locking device, 9.3 is a bolt, 9.4 is a connecting device beam, 9.5 is a connecting locking block, 10.1 is a screw, 10.2 is a convex end cone hinge, 10.3 is a concave end cone hinge, and 10.4 is a locking bolt.
Detailed Description
The specific implementation mode of the utility model is described in the following with the accompanying drawings, and the magnetic wheel driving ultrasonic scanner comprises a driving device and a flaw detection scanning frame; the driving device is a double-body driving device formed by connecting a driving trolley A3 and a driving trolley B14 in parallel through a hinge 10; the flaw detection scanning frame is a welding seam flaw detection scanning frame 2 or a plate flaw detection scanning frame and is connected with a driving trolley A3 and a driving trolley B14 through a connecting mechanism 9.
The driving trolleys are magnetic wheel crawling driving trolleys, and the two driving trolleys comprise a trolley body 3.2, powerful magnetic wheels 3.1 and handles 3.3; a speed reducing motor in the vehicle body 3.2 is connected with a powerful magnetic wheel shaft through a transmission mechanism; two strong magnetic wheels 3.1 are arranged at the end parts of the strong magnetic wheel shafts at the outer sides of the two driving trolleys. The hinges 10 connecting the two driving carriages inside the driving carriage a3 and the driving carriage B14 are conical hinges; the concave end cone hinge 10.3 and the convex end cone hinge 10.2 are respectively connected with the two driving trolleys, and the concave end cone hinge 10.3 and the convex end cone hinge 10.2 are connected and locked through a locking bolt 10.4.
One side of the connecting mechanism 9 is sleeved on an annular hinge connecting sleeve 3.5 which is positioned on the vehicle body 3.2 and is concentric with the powerful magnetic wheel shaft through two annular hinges 9.1, and is provided with a cam locking device 9.2; the other side of the connecting mechanism 9 is connected with the flaw detection scanning frame through a bolt 9.3 and a connecting locking block 9.5.
The welding seam flaw detection scanning frame 2 consists of two parts which are connected through a movable joint, and the two parts of flaw detection scanning frame are respectively connected with the car bodies 3.2 of the two driving trolleys through a connecting mechanism 9; and a probe loading arm 16 provided with 2-10 scanning probes is arranged on the welding seam flaw detection scanning frame 2. The plate flaw detection scanning frame is provided with a transverse axial driving slide rail 12, and the transverse axial driving slide rail is connected with the car bodies 3.2 of the two driving trolleys through a connecting mechanism 9; a probe loading arm sliding block 13 is arranged on the transverse axial driving sliding rail, and a transverse axial driving motor 15 for driving the probe loading arm sliding block 13 to reciprocate is arranged at one end of the transverse axial driving sliding rail; a probe loading arm 16 provided with 1 scanning probe is connected with the probe loading arm slide block 13.
The drive device is connected to a portable power supply 7 via a drive cable 4, and the portable power supply 7 is connected to a controller 6 of the drive device via a control cable 5.
Claims (4)
1. The utility model provides a magnetic wheel drive supersound scanner of crawling, includes drive arrangement and the scanning frame of detecting a flaw, characterized by: the driving device is a double-body driving device formed by connecting a driving trolley A (3) and a driving trolley B (14) in parallel through a hinge (10); the flaw detection scanning frame is a welding seam flaw detection scanning frame (2) or a plate flaw detection scanning frame and is connected with a driving trolley A (3) and a driving trolley B (14) through a connecting mechanism (9);
the driving trolleys are magnetic wheel crawling driving trolleys, and the two driving trolleys comprise trolley bodies (3.2), powerful magnetic wheels (3.1) and handles (3.3); a speed reducing motor in the vehicle body (3.2) is connected with a powerful magnetic wheel shaft through a transmission mechanism; two strong magnetic wheels (3.1) are arranged at the end parts of the strong magnetic wheel shafts at the outer sides of the two driving trolleys;
the hinges (10) connecting the two driving trolleys at the inner sides of the driving trolley A (3) and the driving trolley B (14) are conical hinges; the concave end cone hinge (10.3) and the convex end cone hinge (10.2) are respectively connected with the two driving trolleys, and the concave end cone hinge (10.3) and the convex end cone hinge (10.2) are connected and locked through a locking bolt (10.4);
one side of the connecting mechanism (9) is sleeved on an annular hinge connecting sleeve (3.5) which is positioned on the vehicle body (3.2) and is concentric with the powerful magnetic wheel shaft through two annular hinges (9.1), and is provided with a cam locking device (9.2); the other side of the connecting mechanism (9) is connected with the flaw detection scanning frame through a bolt (9.3) and a connecting locking block (9.5).
2. The magnetic wheel drive crawling ultrasonic scanner of claim 1, wherein: the welding seam flaw detection scanning frame (2) consists of two parts which are connected through a movable joint, and the two parts of flaw detection scanning frame are respectively connected with the car bodies (3.2) of the two driving trolleys through a connecting mechanism (9); the scanning probes are arranged on the welding seam flaw detection scanning frame (2) through loading arms.
3. The magnetic wheel drive crawling ultrasonic scanner of claim 1, wherein: the plate flaw detection scanning frame is provided with a transverse axial driving slide rail (12), and the transverse axial driving slide rail (12) is connected with the vehicle bodies (3.2) of the two driving trolleys through a connecting mechanism (9); a probe loading arm sliding block (13) is arranged on the transverse axial driving sliding rail (12), and a transverse axial driving motor (15) for driving the probe loading arm sliding block (13) to reciprocate is arranged at one end of the transverse axial driving sliding rail (12); a probe loading arm (16) provided with a scanning probe is connected with a probe loading arm sliding block (13).
4. The magnetic wheel drive crawling ultrasonic scanner of claim 1, wherein: the driving device is connected with a portable power supply (7) through a driving cable (4), and the portable power supply (7) is connected with a controller (6) of the driving device through a control cable (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003142.8U CN216669844U (en) | 2021-12-02 | 2021-12-02 | Magnetic wheel driven crawling ultrasonic scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003142.8U CN216669844U (en) | 2021-12-02 | 2021-12-02 | Magnetic wheel driven crawling ultrasonic scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216669844U true CN216669844U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003142.8U Active CN216669844U (en) | 2021-12-02 | 2021-12-02 | Magnetic wheel driven crawling ultrasonic scanner |
Country Status (1)
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|---|---|
| CN (1) | CN216669844U (en) |
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2021
- 2021-12-02 CN CN202123003142.8U patent/CN216669844U/en active Active
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