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CN-224216629-U - Pressure vessel welding seam detection device

CN224216629UCN 224216629 UCN224216629 UCN 224216629UCN-224216629-U

Abstract

The utility model relates to the technical field of weld joint detection, in particular to a pressure vessel weld joint detection device. The technical scheme includes that the ultrasonic detection device comprises a bottom frame and a detection frame, wherein the detection frame is connected to the upper end of the bottom frame in a sliding mode and is of an arc structure, an ultrasonic detection head is fixed in the middle position of the inner side of the detection frame, a pair of range finders are fixed on the inner side wall of the detection frame, a group of traveling wheels are connected in a rotating mode in the bottom frame, a base is fixed on the inner side wall of the bottom frame and corresponds to the traveling wheels, driving equipment for driving the traveling wheels to rotate is fixed in the base, and rotating wheels are connected to the side wall of the bottom frame and located above the traveling wheels in a rotating mode. When the ultrasonic detection head is used for nondestructive detection, the linear welding line detection can be realized by utilizing the sliding of the detection frame, and the pressure container can be driven to automatically transmit by utilizing the rotation of the rotating wheel, so that the circumferential welding line detection is realized, excessive overturning and the operation of moving the pressure container are not required, and the detection difficulty is reduced.

Inventors

  • WANG JUNJIE

Assignees

  • 烟台市特种设备检验研究院

Dates

Publication Date
20260508
Application Date
20241107

Claims (6)

  1. 1. The utility model provides a pressure vessel welding seam detection device, includes underframe (1) and detection frame (3), its characterized in that detection frame (3) sliding connection is in underframe (1) upper end, and is circular arc structure, detection frame (3) inboard intermediate position is fixed with supersound detection head (31), detection frame (3) inside wall is fixed with a pair of distancer (32), underframe (1) internal rotation is connected with a set of wheel (4) of marcing, underframe (1) inside wall and with the corresponding position of wheel (4) of marcing are fixed with base (41), base (41) internal fixation has the driving equipment that drives wheel (4) rotation, underframe (1) lateral wall and be located wheel (4) top rotation of marcing are connected with rotor (5), underframe (1) lateral wall and with rotor (5) corresponding position install expansion plate (51), expansion plate (51) inboard is fixed with mounting bracket (52), rotor (5) rotation is connected between expansion plate (51) lateral wall and telescopic cylinder (55) are fixed with between the underframe (1).
  2. 2. The welding seam detection device of the pressure container according to claim 1, wherein a driving rotating shaft (53) is rotatably connected between the mounting frames (52), a driving motor (54) for driving the driving rotating shaft (53) to rotate is fixed on the outer side of the mounting frames (52), and the rotating wheels (5) are fixed on the driving rotating shaft (53) and are distributed at equal intervals.
  3. 3. The welding seam detection device of the pressure container according to claim 1, wherein the rotating wheel (5) and the traveling wheel (4) are distributed up and down and are perpendicular to each other in rotation direction, and the upper end of the traveling wheel (4) is lower than the bottom of the rotating wheel (5).
  4. 4. The welding seam detection device of the pressure container, as set forth in claim 1, characterized in that a group of hydraulic cylinders (61) are fixed in the middle of the bottom frame (1), supporting plates (6) are fixed at the output ends of the hydraulic cylinders (61), the supporting plates (6) are located between the traveling wheels (4), the upper ends of the supporting plates (6) are of V-shaped structures, guide holes are formed in the outer sides of the supporting plates (6), and guide rods (62) are fixed at the bottom of the bottom frame (1) and correspond to the guide holes.
  5. 5. The welding seam detection device of the pressure container of claim 1, wherein end frames (2) are fixed at two ends of the bottom frame (1), and the upper ends of the end frames (2) are of circular arc structures.
  6. 6. The welding seam detection device of the pressure container, as set forth in claim 1, is characterized in that the upper ends of two sides of the bottom frame (1) are provided with rail grooves (11), rail blocks (12) are connected in a sliding manner in the rail grooves (11), a bottom sliding frame (33) is fixed at the bottom of the detection frame (3), the upper ends of the rail blocks (12) are fixed with the bottom sliding frame (33), threaded rods (13) are connected in a rotating manner in the rail grooves (11), the threaded rods (13) penetrate through the rail blocks (12) and are connected with the rail blocks (12) in a threaded manner, synchronous motors (14) are fixed at the ends of the rail grooves (11), and the output ends of the synchronous motors (14) are fixed at the ends of the threaded rods (13).

Description

Pressure vessel welding seam detection device Technical Field The utility model relates to the technical field of weld joint detection, in particular to a pressure vessel weld joint detection device. Background The weld joint detection device is an important device for detecting the quality of a welded joint, and is widely applied to various industries such as electric power, petrifaction, boiler pressure vessels, steel structures, military industry, aerospace, railway traffic, automobiles, mechanical manufacturing and the like, and the main functions of the device are to detect quality problems in welding such as cracks, unfused, incomplete penetration, slag inclusion, air holes and the like, so as to ensure that the quality of the welded joint meets standard requirements. In order to ensure the integrity of the container, the weld joint detection of the pressure container does not cause sludge damage to the container, a method of non-damage detection is often needed, mainly an ultrasonic weld joint defect detection head is used for detection, and in the detection process, if no auxiliary equipment is used for carrying out position conversion on the pressure container or the detection head, the pressure container or the detection head needs to be moved or carried during the detection, even multi-angle rotation is needed, the operation is very inconvenient, and the detection efficiency is reduced. Disclosure of Invention The utility model aims to provide a welding line detection device for a pressure container, which is used for solving the problems in the background technology. The ultrasonic detection device comprises a bottom frame and a detection frame, wherein the detection frame is connected to the upper end of the bottom frame in a sliding mode, an ultrasonic detection head is fixed in the middle of the inner side of the detection frame, a pair of distance meters are fixed on the inner side wall of the detection frame, a group of traveling wheels are connected in a rotating mode in the bottom frame, a base is fixed on the inner side wall of the bottom frame and corresponds to the traveling wheels, driving equipment for driving the traveling wheels to rotate is fixed in the base, the side wall of the bottom frame is connected with rotating wheels in a rotating mode above the traveling wheels, a telescopic plate is arranged on the side wall of the bottom frame and corresponds to the rotating wheels, an installation frame is fixed on the inner side of the telescopic plate, the rotating wheels are connected between the installation frame in a rotating mode, and a telescopic cylinder is fixed between the outer side of the telescopic plate and the side wall of the bottom frame. Preferably, the drive rotating shaft is rotationally connected between the mounting frames, a drive motor for driving the drive rotating shaft to rotate is fixed on the outer sides of the mounting frames, and the rotating wheels are fixed on the drive rotating shaft and distributed at equal intervals. Preferably, the rotating wheel and the travelling wheel are distributed up and down and the rotating directions are mutually perpendicular, and the upper end of the travelling wheel is lower than the bottom of the rotating wheel. Preferably, a group of hydraulic cylinders are fixed in the middle of the bottom frame, a supporting plate is fixed at the output end of the hydraulic cylinders and positioned between the traveling wheels, the upper end of the supporting plate is of a V-shaped structure, guide holes are formed in the outer side of the supporting plate, and guide rods are fixed at the bottom of the bottom frame and correspond to the guide holes. Preferably, end frames are fixed at two ends of the bottom frame, and the upper ends of the end frames are of arc structures. Preferably, the track groove has all been seted up to underframe both sides upper end, sliding connection has the track piece in the track groove, the detection frame bottom is fixed with the bottom sliding frame, track piece upper end is fixed with the bottom sliding frame, the track inslot internal rotation is connected with the threaded rod, the threaded rod passes the track piece and with track piece threaded connection, track groove end fixing has synchronous motor, and synchronous motor output is fixed at the threaded rod tip. Compared with the prior art, the ultrasonic welding line detection device has the advantages that when the ultrasonic detection head is used for carrying out non-destructive detection, the linear welding line detection can be realized by utilizing the sliding of the detection frame, and the pressure container can be driven to automatically transmit by utilizing the rotation of the rotating wheel, so that the circumferential welding line detection is realized, excessive overturning and moving of the pressure container are not needed, and the detection difficulty is reduced. Drawings FIG. 1 is a schematic top view of a pressure vessel w