CN210294173U

CN210294173U - Flaw detection device for internal defects of steel pipe

Info

Publication number: CN210294173U
Application number: CN201921112118.8U
Authority: CN
Inventors: 吴立春
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-10
Anticipated expiration: 2029-07-16

Abstract

The utility model provides a flaw detection device for internal defects of steel pipes, which comprises a box body with an open top, wherein two tops are arranged in the box body; the upper part of the box body is provided with a support, the support is provided with a sliding block in a sliding manner, the sliding block is provided with two supporting plates, the two supporting plates form a V-shaped groove structure with a downward opening, each supporting plate is provided with an ultrasonic probe in a threaded manner, the detection end of each ultrasonic probe is downwards arranged towards the interior of the box body, and the two ultrasonic probes are symmetrically arranged on a vertical plane where the center line of the V-shaped groove is located; the backup pad still is equipped with the nozzle, and the nozzle passes through hose external water source. A steel pipe internal defect device of detecting a flaw, adopt two probe structures, and then increased the steel pipe area of detection of detecting a flaw, improve production efficiency, and set up the nozzle in this device, regard as the couplant through the water film, realize the automatic operation mode of detecting a flaw, further improved efficiency.

Description

Flaw detection device for internal defects of steel pipe

Technical Field

The utility model belongs to the steel pipe field of detecting a flaw especially relates to a steel pipe internal defect device of detecting a flaw.

Background

The steel pipe internal defect detects and often adopts the ultrasonic flaw detector to accomplish, and common structure is for scribbling the couplant on the steel pipe surface, then detects a flaw to the steel pipe through an ultrasonic probe, and this mode of detecting a flaw needs the manual work to scribble the couplant, and for improving area and the accurate nature of detecting a flaw, the single probe mode of detecting a flaw needs probe reciprocating motion for production efficiency reduces.

Disclosure of Invention

In view of this, the utility model aims at providing a steel pipe internal defect device of detecting a flaw to realize automatic and accurate completion steel pipe internal defect and detect a flaw.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a flaw detection device for internal defects of steel pipes comprises a box body with an open top, wherein two centers are arranged in the box body in a right-to-right mode;

the upper part of the box body is provided with a support, the support is provided with a sliding block in a sliding manner, the support is provided with a driving structure for driving the sliding block to horizontally and linearly move, the sliding block is provided with two supporting plates, the two supporting plates are respectively arranged in an inclined manner, the two supporting plates form a V-shaped groove structure with a downward opening, the central line of the V-shaped groove and the connecting line of two tops are arranged in parallel, each supporting plate is provided with an ultrasonic probe in a threaded manner, the detection end of each ultrasonic probe is downwards arranged towards the interior of the box body, and the two ultrasonic probes are symmetrically; the backup pad still is equipped with the nozzle, and the nozzle passes through hose external water source.

Furthermore, the two nozzles are arranged on two sides of the plane where the two ultrasonic probes are located, and the two nozzles are respectively inclined downwards and are arranged right opposite to the middle positions of the two ultrasonic probes.

Furthermore, the driving mechanism is a screw sliding table driving mechanism.

Further, the nozzle is a low pressure atomizing nozzle.

Furthermore, the threaded connection end of the ultrasonic probe, which is used for being connected with the supporting plate, extends upwards out of the supporting plate, and a holding part is fixedly arranged on the threaded connection end.

Further, the V-shaped groove is a 90-degree groove.

Compared with the prior art, a steel pipe internal defect device of detecting a flaw have following advantage:

a steel pipe internal defect device of detecting a flaw, adopt two probe structures, detect a flaw through these two probes, and then increased the steel pipe area of detection that detects a flaw, the operation of detecting a flaw of probe reciprocating motion when avoiding single probe to detect, guarantee to detect a flaw under the precision prerequisite, improve production efficiency, and set up the nozzle in this device, regard as the couplant through the water film, realize the automatic mode of operation of detecting a flaw, further improved efficiency.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a front view of a flaw detection device for internal defects of a steel pipe according to an embodiment of the present invention;

fig. 2 is a left side view of the flaw detection device for internal defects of steel pipes according to the embodiment of the present invention.

Description of reference numerals:

1-a water tank; 2-top; 3-a scaffold; 4-a drive mechanism; 5-a nozzle; 6-a threaded connection end; 7-a slide block; 8-holding the part; 9-a support plate; 10-a hose; 11-ultrasonic probe.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and 2, the flaw detection device for internal defects of steel pipes comprises a box body 1 with an open top, two apexes 2 are arranged in the box body 1 in a facing manner, one of the apexes 2 is matched with a driving motor, and under the action of the driving motor, the apex 2 rotates to further drive the steel pipes fixed on the two apexes 2 to rotate; the upper part of the box body 1 is provided with a support 3, the support 3 is provided with a sliding block 7 in a sliding manner, the support 3 is provided with a driving structure 4 for driving the sliding block 7 to horizontally and linearly move, the driving structure is preferably a screw sliding table driving mechanism, a screw of the screw sliding table driving mechanism is horizontally arranged, so that the sliding block 7 linearly and reciprocally moves on the screw is realized, the sliding block 7 is provided with two supporting plates 9, the two supporting plates 9 are respectively obliquely arranged, the two supporting plates form a V-shaped groove structure with a downward opening, the central line of the V-shaped groove is parallel to the connecting line of two tops 2, the V-shaped groove is preferably a 90-degree V-shaped groove structure, each supporting plate 9 is provided with an ultrasonic probe 11 in a threaded manner, the detection end of each ultrasonic probe 11 is downwards; the supporting plate 9 is further provided with a nozzle 5, the nozzle 5 is preferably a low-pressure atomizing nozzle, and the nozzle 5 is externally connected with a water source through a hose 10. During flaw detection, the steel pipe rotates, the sliding block 7 moves linearly, the ultrasonic probe performs ultrasonic detection on the whole steel pipe, and in the flaw detection process, the ultrasonic probe moves axially, so that the flaw detection area of the steel pipe is increased by the two ultrasonic probe detection modes, and the flaw detection accuracy is improved.

In this embodiment, two nozzles 5 are provided, the two nozzles 5 are disposed on two sides of a plane where the two ultrasonic probes 11 are located, and the two nozzles 5 are respectively disposed obliquely downward and opposite to the middle position of the two ultrasonic probes 11. The structure ensures that the flaw detection position on the surface of the steel pipe is covered with a water film, thereby ensuring that flaw detection is carried out smoothly.

In this embodiment, the threaded end 6 of the ultrasonic probe 11, which is used for being connected with the supporting plate 9, extends upwards out of the supporting plate 9, and the threaded end 6 is fixedly provided with the holding part 8. The structure is convenient for adjusting the distance between the ultrasonic probe and the steel pipe, on one hand, the distance can be adjusted according to different diameters of the steel pipe, and the universality of the device is improved; and on the other hand, the gap between the ultrasonic probe and the steel pipe is finely adjusted, so that the steel pipe is ensured to be accurately subjected to flaw detection under the action of the water coupling agent.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a steel pipe internal defect detection device which characterized in that: comprises a box body (1) with an open top, wherein two apexes (2) are arranged in the box body (1) in a right-facing way;

the upper part of the box body (1) is provided with a support (3), the support (3) is provided with a sliding block (7) in a sliding manner, the support (3) is provided with a driving structure (4) for driving the sliding block (7) to move horizontally and linearly, the sliding block (7) is provided with two supporting plates (9), the two supporting plates (9) are respectively arranged in an inclined manner, the two supporting plates form a V-shaped groove structure with a downward opening, the central line of the V-shaped groove is parallel to the connecting line of the two tops (2), each supporting plate (9) is provided with an ultrasonic probe (11) in a threaded manner, the detection end of each ultrasonic probe (11) is downwards arranged towards the interior of the box body, and the two ultrasonic probes (11) are; the supporting plate (9) is further provided with a nozzle (5) which is arranged downwards, and the nozzle (5) is externally connected with a water source through a hose (10).

2. The apparatus for detecting flaws inside a steel pipe according to claim 1, wherein: the two nozzles (5) are arranged on two sides of a plane where the two ultrasonic probes (11) are located, and the two nozzles (5) are respectively arranged obliquely downwards and just face the middle positions of the two ultrasonic probes (11).

3. The apparatus for detecting flaws inside a steel pipe according to claim 1, wherein: the driving structure (4) is a screw sliding table driving mechanism.

4. The apparatus for detecting flaws inside a steel pipe according to claim 1, wherein: the nozzle (5) is a low-pressure atomizing nozzle.

5. The apparatus for detecting flaws inside a steel pipe according to claim 1, wherein: the threaded connection end of the ultrasonic probe (11) for connecting with the support plate (9) extends upwards out of the corresponding support plate (9), and a holding part (8) is fixedly arranged on the threaded connection end.

6. The apparatus for detecting flaws inside a steel pipe according to claim 1, wherein: the V-shaped groove is a 90-degree groove.