CN220399312U

CN220399312U - Flaw detection device for welded joint of metal pipe

Info

Publication number: CN220399312U
Application number: CN202321983750.6U
Authority: CN
Inventors: 欧阳�; 欧俊杰; 梁勇
Original assignee: Hefei Feiyang Machinery Manufacturing Co ltd
Current assignee: Hefei Feiyang Machinery Manufacturing Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-26
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a flaw detection device for welded joints of metal pipes, which comprises a frame, wherein a Y-shaped base is arranged in the frame, rubber rollers for driving the pipes to rotate along the axes of the rubber rollers are respectively and rotatably arranged at two sides of the top of the Y-shaped base, an upper base is movably arranged on the frame right above the Y-shaped base, support arms are respectively and rotatably arranged at two ends of the bottom of the upper base, balls are rotatably arranged on the support arms, a detection probe is arranged at the bottom of the upper base between the two support arms, and a flaw marking assembly is arranged on the upper base outside the detection probe. The utility model can detect the pipe circumferentially and axially completely, and mark the flaw through the seal ring when detecting the flaw, and has the advantage of high flaw detection efficiency.

Description

Flaw detection device for welded joint of metal pipe

Technical Field

The utility model relates to the technical field of pipe flaw detection, in particular to a metal pipe welded seam flaw detection device.

Background

With the improvement of the production quality and the processing technology of the welded pipe, the welding pipe has extremely wide application in water supply, heating, gas supply and the like, and the pipe needs to bear certain pressure no matter in water supply, heating, gas supply and the like, so that manufacturers are required to carry out flaw detection operation on the welded pipe after the pipe is welded and produced, and the safety of the use of the pipe is ensured to the greatest extent.

Currently, the main X-ray detector has a relatively wide application range for flaw detection of pipes. When the actual flaw detection operation is carried out, especially when the pipe with longer pipe length and larger dead weight is subjected to flaw detection, the handheld flaw detection instrument is very inconvenient to operate, omission occurs easily, the detection efficiency is lower, when the welding flaw is detected, the flaw detection instrument only appears on an instrument display screen, and a worker is required to manually mark the pipe, so that more defects are caused. For this reason, the inventors propose a metal pipe welded joint flaw detection device.

Disclosure of Invention

The utility model aims to provide a flaw detection device for a welded joint of a metal pipe, which can be used for comprehensively and thoroughly detecting the circumferential direction and the axial direction of the pipe, and can be used for marking the flaw position through a seal ring when the flaw is detected, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a metal tubular product welded joint flaw detection device, includes the frame, frame internally mounted has Y type base, Y type base top both sides are rotated respectively and are installed the rubber roll that is used for driving tubular product along its axle center rotation, movable mounting goes up the base in the frame directly over the Y type base, go up the base bottom both ends and rotate respectively and install the support arm, rotate on the support arm and install the ball, two detect the probe is installed to the bottom of going up the base between the support arm, install flaw marking assembly on the outside last base of detect the probe.

Preferably, the frame comprises a bottom plate and a top plate, and four corners of the bottom plate and the top plate are fixedly connected through air cylinders.

Preferably, the Y-shaped base is fixedly connected to the top of the bottom plate, and a linear motor for driving the upper base to axially reciprocate along the pipe is arranged at the bottom of the top plate right above the Y-shaped base.

Preferably, the flaw marking assembly comprises a hollow ring body, the top of the hollow ring body is fixedly connected with the upper base through a micro cylinder, and a seal ring is arranged at the bottom of the hollow ring body.

Preferably, the hollow ring body is made of elastic materials, and the top of the hollow ring body is provided with a material injection port.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the rubber roller which continuously rotates in the same direction can drive the pipe to continuously rotate along the axis of the rubber roller, and the linear motor can drive the detection probe to continuously linearly reciprocate along the axial direction of the pipe, so that the detection probe can comprehensively detect the circumferential direction and the axial direction of the pipe;

2. according to the utility model, the rotatable support arm is arranged on the upper base, and the ball is arranged on the support arm, so that the ball is kept in contact with the outer wall of the pipe when in operation, and the device has good detection stability when detecting pipes with different diameters;

3. the utility model can mark the welding flaw of the pipe by the seal ring, thereby improving the detection efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a flaw marking assembly according to the present utility model;

FIG. 3 is a schematic structural view of the hollow ring body of the present utility model.

In the figure: 1. a Y-shaped base; 2. printing a circle; 3. a rubber roller; 4. a bottom plate; 5. a top plate; 6. a cylinder; 7. an upper base; 8. a support arm; 9. a ball; 10. a detection probe; 11. a linear motor; 12. a hollow ring body; 121. a material injection port; 13. and a micro cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a metal tubular product welded seam flaw detection device, which comprises a frame, frame internally mounted has Y type base 1, Y type base 1 top both sides are rotated respectively and are installed the rubber roller 3 that is used for driving tubular product along its axle center rotation, the rotation of rubber roller 3 passes through motor drive (not shown in the figure), two rubber rollers 3 syntropy rotate, movable mounting goes up base 7 in the frame directly over the Y type base 1, go up base 7 including the diaphragm, diaphragm both sides downward sloping is provided with the lug, go up base 7 bottom both ends and rotate respectively and install support arm 8, the round pin axle rotates between support arm 8 and the lug and connects, install ball 9 on the support arm 8, detect probe 10 is installed to the bottom of going up base 7 between two support arms 8, install flaw mark assembly on the outer last base 7 of detect probe 10.

As shown in FIG. 1, the frame comprises a bottom plate 4 and a top plate 5, four corners of the bottom plate 4 and the top plate 5 are fixedly connected through air cylinders 6, guide posts are further arranged at the four corners of the bottom plate 4, and guide holes for the guide posts to pass through are respectively formed in the top plate 5.

As shown in FIG. 1, the top of the bottom plate 4 is fixedly connected with a Y-shaped base 1, and the bottom of a top plate 5 right above the Y-shaped base 1 is provided with a linear motor 11 for driving an upper base 7 to reciprocate along the axial direction of the pipe.

As shown in fig. 2 and 3, the flaw marking assembly comprises a hollow ring body 12, the top of the hollow ring body 12 is fixedly connected with an upper base 7 through a micro cylinder 13, a seal ring 2 is installed at the bottom of the hollow ring body 12, the seal ring 2 is made of sponge, the hollow ring body 12 is made of elastic material, such as silicon rubber, a material injection port 121 is formed in the top of the hollow ring body 12, before use, pigment is injected into the hollow ring body 12 through the material injection port 121, pigment is soaked in the seal ring 2, and when the flaw marking assembly works, the hollow ring body 12 is driven to descend through the micro cylinder 13, so that the seal ring 2 is contacted with the outer wall of a pipe, and the pigment is marked on the outer wall of the pipe.

When the detection device is used, a pipe is placed at the top of the Y-shaped base 1, the rubber roller 3 respectively supports the outer walls of the two sides of the bottom of the pipe, the height of the top plate 5 is adjusted through the air cylinder 6, the support arms 8 respectively support the outer parts of the two sides of the top of the pipe, the balls 9 are in contact with the outer walls of the pipe, the stability of detection is improved, the rubber roller 3 is continuously rotated to drive the pipe to rotate along the axis of the rubber roller, and therefore the circumferential direction of the pipe is comprehensively detected through the detection probe 10; the upper base 7 is driven by the linear motor 11 to move along the axial direction of the pipe, so that the axial direction of the pipe is comprehensively detected by the detection probe 10.

When a welding defect is detected, the hollow ring body 12 is driven to descend by the micro cylinder 13, so that the seal ring 2 prints pigment on the outer wall of the pipe for marking.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a metal tubular product welded seam flaw detection device, includes the frame, frame internally mounted has Y base (1), its characterized in that: the automatic detection device is characterized in that rubber rollers (3) used for driving the pipe to rotate along the axis of the rubber rollers are respectively rotatably arranged on two sides of the top of the Y-shaped base (1), an upper base (7) is movably arranged on a frame right above the Y-shaped base (1), support arms (8) are respectively rotatably arranged at two ends of the bottom of the upper base (7), balls (9) are rotatably arranged on the support arms (8), detection probes (10) are arranged at the bottoms of the upper base (7) between the support arms (8), and flaw marking assemblies are arranged on the upper base (7) outside the detection probes (10).

2. The metal pipe weld joint inspection apparatus according to claim 1, wherein: the machine frame comprises a bottom plate (4) and a top plate (5), and four corners of the bottom plate (4) and the top plate (5) are fixedly connected through air cylinders (6).

3. The metal pipe weld joint flaw detection apparatus according to claim 2, wherein: the top of the bottom plate (4) is fixedly connected with the Y-shaped base (1), and a linear motor (11) for driving the upper base (7) to axially reciprocate along the pipe is arranged at the bottom of the top plate (5) right above the Y-shaped base (1).

4. The metal pipe weld joint inspection apparatus according to claim 1, wherein: the flaw marking assembly comprises a hollow ring body (12), the top of the hollow ring body (12) is fixedly connected with the upper base (7) through a micro cylinder (13), and a seal ring (2) is arranged at the bottom of the hollow ring body (12).

5. The metal pipe weld joint inspection apparatus according to claim 4, wherein: the hollow ring body (12) is made of elastic materials, and a material injection opening (121) is formed in the top of the hollow ring body (12).