CN210514184U - Steel pipe centering device for steel pipe ultrasonic flaw detection - Google Patents

Abstract

The utility model provides a steel pipe centring means for steel pipe ultrasonic inspection, including two fixing bases of position relatively fixed, the vertical direction of each fixing base is equipped with a propelling movement component, and two propelling movement component propelling movement ends are just right, and each propelling movement component propelling movement end is equipped with a sliding seat, rotates on each sliding seat and is provided with a bearing roller, and two bearing roller axis levels are just parallel to each other, and each bearing roller side circumferencial direction is equipped with one and the V type groove that the steel pipe corresponds, and two V type grooves are just to forming steel pipe centering space. A steel pipe centring means for steel pipe ultrasonic inspection, center the steel pipe through two bearing rollers, prevent effectively that the shake from taking place in the steel pipe testing process, solve because of the shake produces the inaccurate problem of detection, improve the detection accuracy of detecting a flaw.

Description

Steel pipe centering device for steel pipe ultrasonic flaw detection

Technical Field

The utility model belongs to steel pipe detection area that detects a flaw especially relates to a steel pipe centering device for steel pipe ultrasonic inspection.

Background

In the process of high-speed ultrasonic rotary flaw detection of the steel pipe, the ultrasonic signals are very sensitive to the state detection of the steel pipe, so that the stability of the steel pipe to be detected has high requirements, the problems of false alarm, missing report and the like of the detection signals can be caused by the vibration of the steel pipe and the bending of the steel pipe, and the detection precision is further influenced.

Disclosure of Invention

In view of this, the utility model aims at providing a steel pipe centring means for steel pipe ultrasonic inspection to prevent to wait to detect the steel pipe shake, guarantee to detect and stably go on.

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

the utility model provides a steel pipe centring means for steel pipe ultrasonic inspection, including two fixing bases of position relatively fixed, one of them fixing base is directly over another fixing base, the vertical direction of each fixing base is equipped with a propelling movement component, two propelling movement component propelling movement ends are just right, each propelling movement component propelling movement end is equipped with a sliding seat, it is provided with a bearing roller to rotate on each sliding seat, two bearing roller axis levels are just parallel to each other, each bearing roller side circumferencial direction is equipped with one and the V type groove that the steel pipe corresponds, two V type grooves are just to forming steel pipe centering space.

Furthermore, two the fixing base is connected with the guide arm, and the vertical direction of each sliding seat is equipped with the guiding hole that matches with this guide arm, and the guiding hole setting of two sliding seats is worn out simultaneously to the guide arm.

Furthermore, each sliding seat is fixedly provided with a centering roller corresponding to the carrier roller, and the carrier roller is rotatably arranged on the centering roller.

Furthermore, a copper sleeve matched with the guide rod is arranged in the guide hole.

Furthermore, the upper end and the lower end of each guide rod are respectively provided with a pair of limiting rings for limiting the sliding position of the sliding seat.

Further, the pushing element is an oil cylinder.

Compared with the prior art, a steel pipe centering device for steel pipe ultrasonic inspection have following advantage:

a steel pipe centring means for steel pipe ultrasonic inspection, center the steel pipe through two bearing rollers, prevent effectively that the shake from taking place in the steel pipe testing process, solve because of the shake produces the inaccurate problem of detection, improve the detection accuracy of detecting a flaw.

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 perspective view of a steel pipe centering device for ultrasonic flaw detection of a steel pipe according to the present embodiment;

FIG. 2 is a front view of the steel pipe centering apparatus for ultrasonic flaw detection of steel pipes according to the present embodiment.

Description of reference numerals:

1-a push member; 2-a fixed seat; 3-sealing a dustproof structure; 4-a guide rod; 5-carrying roller; 6-centering rollers; 7-a sliding seat; 8-a limit ring.

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, a steel pipe centering device for ultrasonic flaw detection of a steel pipe includes two fixing bases 2, the two fixing bases 2 are respectively and fixedly mounted on a device, one of the fixing bases 2 is directly above the other fixing base 2, a pushing element 1 is arranged in the vertical direction of each fixing base 2, and pushing ends of the two pushing elements 1 are opposite to each other. Each propelling movement component 1 propelling movement end is equipped with a sliding seat 7, and sliding seat 7 moves at its vertical direction that matches propelling movement component 1 effect down, rotates on each sliding seat 7 and is provided with a bearing roller 5, and two bearing rollers 5 axis are parallel, and 5 axial side circumferencial direction of each bearing roller is equipped with one and the V type groove that the steel pipe corresponds, and two V type grooves are just to forming steel pipe centering space. During the utensil check, pass the steel pipe by between two bearing rollers, two bearing roller positions have both been removed in the action of propelling movement component 1 for when two bearing rollers contact with the steel pipe respectively, also be the steel pipe and two bearing rollers 5 when total four contact points, the action is stopped to the propelling movement component push rod, and the bearing roller position is fixed, because bearing roller 5 position is unchangeable, consequently has carried out the injecing to the steel pipe shake through bearing roller 5, solves because the shake produces the inaccurate emergence of detection. For improving the sliding seat and remove the straightness nature, and then improve two sliding seat 7 just proofreadedly nature, two fixing base 2 is connected with guide arm 4, and the vertical direction of each sliding seat 7 is equipped with the guiding hole that matches with this guide arm 4, and the guiding hole setting of two sliding seat 7 is worn out simultaneously to guide arm 4. In this embodiment, two guide rods 4 are provided, one of the two guide rods is arranged on one axial end side of the carrier roller 5, the other guide rod is arranged on the other axial end side of the carrier roller, and the guide structure formed by the guide rods and the guide holes improves the moving linearity of the sliding seat 7, ensures that the two carrier rollers are opposite, and further improves the centering effect on steel pipes with different diameters. Because sliding seat 7 and guide arm 4 slidable mounting relation, consequently, in this embodiment, set up the copper sheathing that matches with guide arm 4 in the guiding hole of sliding seat 7, both ends have set up separately with the sealed dustproof construction 3 of copper sheathing about sliding seat 7, this sealed dustproof construction is including setting up the sealed fixed block on sliding seat 7, and the sealing washer that sets up in this sealed fixed block, the sealing washer setting is worn out to guide arm 4, be used for preventing because the inside jam that causes guide arm 4 and centering roller guide arm copper sheathing of dust infiltration copper sheathing, this sealed dustproof construction is common seal structure, do not describe herein repeatedly.

In this embodiment, each sliding seat 7 is fixedly provided with a centering roller 6 corresponding to the carrier roller 5, the carrier roller 5 is rotatably mounted on the centering roller 6, and a bearing is arranged between the carrier roller 5 and the centering roller 6.

In this embodiment, a pair of limiting rings 8 for limiting the sliding stroke of the sliding seat 7 is respectively arranged at the upper end and the lower end of each guide rod 4. Prevent the sliding seat 7 from striking the fixed seat 2 when the movement amount is too large, and then striking the equipment.

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 (6)

1. The utility model provides a steel pipe centring means for steel pipe ultrasonic inspection which characterized in that: including two fixing bases (2) of position relatively fixed, one of them fixing base (2) is directly over another fixing base (2), each fixing base (2) vertical direction is equipped with a propelling movement component (1), two propelling movement components (1) propelling movement end is just right, each propelling movement component (1) propelling movement end is equipped with a sliding seat (7), it is provided with a bearing roller (5) to rotate on each sliding seat (7), two bearing rollers (5) axis levels just are parallel to each other, each bearing roller (5) axle side circumferencial direction is equipped with one and the V type groove that the steel pipe corresponds, two V type grooves are just to forming steel pipe centering space.

2. The steel pipe centering device for ultrasonic flaw detection of steel pipes according to claim 1, characterized in that: two fixing base (2) are connected with guide arm (4), and each sliding seat (7) vertical direction is equipped with the guiding hole that matches with this guide arm (4), and the guiding hole setting of two sliding seats (7) is worn out simultaneously in guide arm (4).

3. The steel pipe centering device for ultrasonic flaw detection of steel pipes according to claim 2, characterized in that: each sliding seat (7) is fixedly provided with a centering roller (6) corresponding to the carrier roller (5), and the carrier roller (5) is rotatably arranged on the centering roller (6).

4. The steel pipe centering device for ultrasonic flaw detection of steel pipes according to claim 2, characterized in that: and a copper sleeve matched with the guide rod (4) is arranged in the guide hole.

5. The steel pipe centering device for ultrasonic flaw detection of steel pipes according to claim 2, characterized in that: the upper end and the lower end of each guide rod (4) are respectively provided with a pair of limiting rings (8) for limiting the sliding position of the sliding seat (7).

6. A steel pipe centering device for ultrasonic flaw detection of steel pipes according to any one of claims 1 to 5, characterized in that: the pushing element (1) is an oil cylinder.

Images