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CN-224231720-U - Welding seam detection device for metal structure manufacturing

CN224231720UCN 224231720 UCN224231720 UCN 224231720UCN-224231720-U

Abstract

The utility model provides a welding seam detection device for manufacturing a metal structure, which relates to the technical field of welding seam detection and comprises a base, wherein a portal frame is fixedly arranged at the top of the base, an electric guide rail is fixedly arranged at the inner top of the portal frame, an electric push rod is fixedly arranged at the bottom of a mobile station of the electric guide rail, the bottom end of the electric push rod is fixedly connected with a mounting head, an ultrasonic probe is arranged below the mounting head, and a mounting plate is fixedly connected at the top of the base. When the device detects the steel pipe, the steel pipe is clamped on the clamping assembly, the steel pipe is fixed through the clamping assembly, the adjustment state of the steel pipe can be rotated so as to detect the welding line, the angle of the ultrasonic probe can be adjusted through the adjustment assembly so as to adapt to the state of the welding line of the steel pipe, the ultrasonic probe can face the welding line at a proper angle, and the problem that the defect of the welding line at some positions cannot be detected due to the angle problem is avoided.

Inventors

  • WANG PENGYANG

Assignees

  • 范嘉杰

Dates

Publication Date
20260512
Application Date
20250520

Claims (7)

  1. 1. A weld line detection device for manufacturing a metal structure, comprising: the ultrasonic probe comprises a base (1), wherein a portal frame (11) is fixedly arranged at the top of the base (1), an electric guide rail (12) is fixedly arranged at the top in the portal frame (11), an electric push rod (13) is fixedly arranged at the bottom of a moving platform of the electric guide rail (12), an installation head (14) is fixedly connected to the bottom end of the electric push rod (13), an ultrasonic probe (15) is arranged below the installation head (14), and an installation plate (16) is fixedly connected to the top of the base (1); The adjusting assembly is arranged on the mounting head (14) and used for adjusting the angle of the ultrasonic probe (15), and comprises a connecting block (2), a deflection plate (21), a protective cover (22), a bevel gear a (23), a stepping motor (24) and a bevel gear b (25); The clamping assembly is arranged on the mounting plate (16) and used for clamping a workpiece, and comprises a rotating disc (3), a mounting cylinder (31), a moving groove (32), a scissor frame (33) and a supporting plate (34).
  2. 2. The welding seam detection device for manufacturing a metal structure according to claim 1, wherein a connecting block (2) is fixedly connected to the bottom of the mounting head (14), a deflection plate (21) is fixedly connected to the top of the ultrasonic probe (15), the deflection plate (21) is rotatably connected to the inside of the connecting block (2), a protection cover (22) is fixedly installed on one side of the connecting block (2), a rotating shaft of the deflection plate (21) extends to the inside of the protection cover (22) and is fixedly connected with a bevel gear a (23), a stepping motor (24) is arranged in the inside of the mounting head (14), a driving shaft of the stepping motor (24) extends to the inside of the protection cover (22) and is fixedly connected with a bevel gear b (25), and the bevel gear b (25) is meshed with the bevel gear a (23).
  3. 3. The welding seam detection device for metal structure manufacturing according to claim 1, wherein a rotating disc (3) is arranged on one side of the mounting plate (16), a mounting cylinder (31) is fixedly connected to one side of the rotating disc (3), three equally-spaced moving grooves (32) are formed in the outer portion of the mounting cylinder (31), a pair of scissors frames (33) are respectively arranged in the three moving grooves (32), and supporting plates (34) are respectively connected to two ends of the top of each scissors frame (33).
  4. 4. The welding seam detection device for manufacturing metal structures according to claim 1, wherein retainers (35) are fixedly installed at two opposite ends of the inside of the installation cylinder (31), a rotary rod (36) is rotatably connected between the two retainers (35), threads (37) are formed on the outer portion, close to one end, of the rotary rod (36), and a moving ring (38) is connected to the outer portion of the threads (37) in a threaded manner.
  5. 5. The welding seam detection apparatus for metal structure manufacturing according to claim 4, wherein both ends of the bottom of the three scissors frames (33) are respectively connected to the moving ring (38) and the holder (35) on the side close to the rotating disk (3).
  6. 6. The welding seam detection device for manufacturing metal structures according to claim 1, wherein an installation cavity (39) is formed in the rotating disc (3), a driving motor a (310) is fixedly installed on the inner wall of the installation cavity (39), a driving motor b (311) is fixedly installed on one side of the installation plate (16), and a driving shaft of the driving motor b (311) is connected with one side of the rotating disc (3).
  7. 7. The welding seam detection device for manufacturing metal structures according to claim 1, wherein a host machine (4) is arranged in the base (1), a mounting frame (41) and a control panel (42) are fixedly arranged on one side of the portal frame (11), and a display screen (43) is fixedly arranged on one side of the mounting frame (41).

Description

Welding seam detection device for metal structure manufacturing Technical Field The utility model relates to the technical field of weld joint detection, in particular to a weld joint detection device for manufacturing a metal structure. Background In modern industry, steel pipe system is widely used as an important component of fluid transmission, the welding quality of the connecting part, especially between the steel pipe and the flange, directly affects the safety and reliability of the whole system, and the current flaw detection method widely used in China is still manual flaw detection, according to the continuous moving position of an ultrasonic probe on a nondestructive detection device on the outer surface of the steel pipe, so as to ensure the incident position of ultrasonic beams, finally judging the nature of weld defects according to echo waveforms, but in the manual flaw detection process, most of the ultrasonic probes are held by a hand-held nondestructive detection device to detect, generally, a worker holds the steel pipe to be detected by one hand, and then holds the ultrasonic probe by the other hand to continuously move and detect on the outer surface of the steel pipe, so that the whole position is likely to shake due to shaking of the hands of the worker during detection, and the whole position cannot be well fixed, thereby affecting the whole detection efficiency and detection accuracy. According to the problem, through searching the motion-stable type welding seam nondestructive testing device disclosed in China patent publication No. CN202121952758.7, the detection position of the ultrasonic probe can be effectively adjusted according to the thickness of the steel pipe and the fixed position of the steel pipe, the ultrasonic probe can be ensured to be in contact with the surface of the steel pipe, further the nondestructive testing accuracy is ensured, however, some problems still exist in the actual use process, the direction of the ultrasonic probe of the device is fixed, and when the welding seam of some flanged steel pipes or three-way steel pipes is detected, the ultrasonic probe cannot be aligned to the welding seam, so that the limitation of the detection device is larger, and the arc-shaped welding seam can only be detected with poor practicability. Disclosure of utility model The technical problem to be solved by the utility model is to provide the welding seam detection device for manufacturing the metal structure, when the steel pipe is detected, the steel pipe is clamped on the clamping assembly, the steel pipe is fixed through the clamping assembly, the adjustment state of the steel pipe can be rotated so as to detect the welding seam, the angle of the ultrasonic probe can be adjusted through the adjustment assembly so as to adapt to the state of the welding seam of the steel pipe, the ultrasonic probe can be aligned to the welding seam at a proper angle, and the problem that the welding seam defect at some positions cannot be detected due to the angle problem is avoided. The technical problems to be solved by the utility model are realized by adopting the following technical scheme: The welding seam detection device for manufacturing the metal structure comprises a base, wherein a portal frame is fixedly arranged at the top of the base, an electric guide rail is fixedly arranged at the inner top of the portal frame, an electric push rod is fixedly arranged at the bottom of a mobile station of the electric guide rail, an installation head is fixedly connected to the bottom end of the electric push rod, an ultrasonic probe is arranged below the installation head, and an installation plate is fixedly connected to the top of the base; The adjusting component is arranged on the mounting head and used for adjusting the angle of the ultrasonic probe, and comprises a connecting block, a deflection plate, a protective cover, a bevel gear a, a stepping motor and a bevel gear b; The clamping assembly is arranged on the mounting plate and used for clamping a workpiece and comprises a rotating disc, a mounting cylinder, a moving groove, a shear rest and a supporting plate. Further, the installation head bottom fixedly connected with connecting block, ultrasonic probe top fixedly connected with deflector, deflector rotate connect in inside the connecting block, connecting block one side fixedly mounted has the protection casing, deflector's axis of rotation extends to inside the protection casing and fixedly connected with bevel gear a, the inside step motor that is equipped with of installation head, step motor's drive shaft extends to inside the protection casing and fixedly connected with bevel gear b, bevel gear b with bevel gear a meshing is connected. Further, a rotary disk is arranged on one side of the mounting plate, a mounting cylinder is fixedly connected to one side of the rotary disk, three equidistant moving grooves are formed in the outer portion of the mounting cyli