CN219474525U

CN219474525U - Longitudinal circumferential seam misalignment measuring instrument

Info

Publication number: CN219474525U
Application number: CN202320082180.7U
Authority: CN
Inventors: 王琛; 陆帅; 代长伟; 岑威威
Original assignee: Nanjing Sanfang Chemical Equipment Supervision Co ltd
Current assignee: Nanjing Sanfang Chemical Equipment Supervision Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-08-04
Anticipated expiration: 2033-01-12

Abstract

The utility model provides a longitudinal circumferential seam misalignment measuring instrument which relates to the technical field of longitudinal circumferential seam welding, wherein the instrument comprises a frame, and a digital display, a laser range finder and a roller mechanism are arranged on the frame; the laser range finder comprises a laser probe, wherein the laser probe emits laser downwards to receive returning laser; the roller mechanism comprises at least one distance transmission roller and at least one adjustable roller, wherein a length sensor or an angle sensor is arranged on the distance transmission roller, and the length distance of the roller can be acquired; the adjustable roller can move horizontally along the frame to adjust the distance between the distance transmission roller and the adjustable roller. The utility model has the following beneficial effects: 1. the measurement is convenient, and the method is suitable for measuring the welding seams of equipment with different specifications; 2. the method is simple and flexible, and can be used for carrying out full-data recording analysis on the weld joint.

Description

Longitudinal circumferential seam misalignment measuring instrument

Technical Field

The utility model relates to the technical field of longitudinal girth welding, in particular to a longitudinal girth misalignment measuring instrument.

Background

The welded pipe is an important pipe in the petroleum and natural gas industry, and plays an irreplaceable role in the petroleum and natural gas exploitation and transportation process. The welded pipe is divided into a straight welded pipe and a spiral welded pipe, the welded pipe is formed by rolling a steel plate and then welding, the pit of the welded pipe, the surplus height of the welded seam and the misalignment amount of the welded seam are important parameters for measuring the quality of the welded pipe, and the follow-up processing and the field construction use of the welded pipe can be greatly influenced.

The traditional misalignment measuring tool can only adopt a local extraction point method for measurement, has single measurement mode and does not have the capability of recording the misalignment of the full weld.

Disclosure of Invention

The utility model aims to provide a longitudinal circular seam misalignment measuring instrument, which is used for solving the problem that the conventional misalignment measuring mode cannot carry out full-welded seam measurement record.

The utility model is realized in the following way: the device comprises a frame, wherein a digital display instrument, a laser range finder and a roller mechanism are arranged on the frame;

the laser range finder comprises a laser probe, wherein the laser probe emits laser downwards to receive returning laser;

the roller mechanism comprises at least one distance transmission roller and at least one adjustable roller, wherein an angle encoder is arranged on the distance transmission roller and can calculate the length distance of the roller; the adjustable roller can move horizontally along the frame to adjust the distance between the distance transmission roller and the adjustable roller.

Preferably, a switch is provided on the frame.

Preferably, a calibration button is arranged on the digital display.

Preferably, the digital display is provided with an upper limit adjusting button and a lower limit adjusting button.

Preferably, the numerical unit of the digital display instrument is mm, and the precision is 0.1mm.

Preferably, the frame and the roller mechanism are made of rigid materials.

Preferably, the laser range finder is slidable up and down along the frame.

Preferably, a USB interface is provided on the digital display.

By adopting the technical scheme, the utility model has the following beneficial effects: 1. the measurement is convenient, and the method is suitable for measuring the welding seams of equipment with different specifications; 2. the method is simple and flexible, and can be used for carrying out full-data recording analysis on the weld joint.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1-frame, 2-digital display, 3-laser range finder, 4-distance transmission roller, 5-adjustable roller, 6-switch, 7-calibration button, 8-upper and lower limit adjustment button, 9-USB interface.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the utility model provides a longitudinal circular seam misalignment measuring instrument, which comprises a frame 1, wherein a digital display instrument 2, a laser range finder 3 and a roller mechanism are arranged on the frame 1. The frame 1 comprises a bottom plate and a bracket, the digital display 2 is arranged on the bracket, and the roller mechanism is arranged at the lower part of the bottom plate.

The laser range finder 3 of the present utility model includes a laser probe that emits laser light downward and receives back-transmitted laser light, so that distance data in the Y-axis direction can be calculated.

The roller mechanism of the utility model comprises at least one distance transmission roller 4 and at least one adjustable roller 5, wherein the distance transmission roller 4 is provided with an angle encoder, and the circumference of the distance transmission roller 4 can be converted and calculated into the horizontal length distance of the X axis which rolls. The adjustable rollers 5 are horizontally movable along the frame to adjust the spacing between the distance-transferring rollers 4 and the adjustable rollers 5. Further, the distance transmission roller 4 and the adjustable roller 5 are the same in size. The adjustable roller 5 can be fixedly arranged at different horizontal positions, and is convenient to adjust the horizontal position by screw rod adjustment, air cylinder adjustment and other installation modes.

The laser range finder 3 can slide up and down along the frame 1, and can swing back and forth by an angle, and the sliding mechanism and the swinging mechanism can be visible in the market.

Further, the utility model is provided with a switch 6 on the frame 1 or the digital display 2. A calibration button 7 is provided on the digital display 2. The digital display 2 is provided with an upper limit adjustment button 8 and a lower limit adjustment button 8.

Further, the numerical unit of the digital display instrument is mm, and the precision is 0.1mm.

Furthermore, the frame 1 and the roller mechanism are made of rigid materials.

Further, the digital display 2 is provided with a USB interface 9.

The utility model comprises the following operation steps:

1. taking out the calibration horizontal plate, adjusting the distance between the distance transmission roller and the adjustable roller according to the equipment specification, and adjusting the height and the angle of the laser probe according to the width of the welding seam;

2. opening a switch button on the digital display instrument;

3. placing the device on a horizontal plate and zeroing;

4. and (3) adjusting the device after the zero setting correction is finished, adjusting the upper limit value and the lower limit value, marking the initial measuring position of the device to start sliding along the edge of the welding seam, recording the measured length through the distance transmission roller, and measuring the difference between the laser distance meter and the reference.

5. And importing data into a computer through a USB interface, wherein the distance is X-axis, and the misalignment amount is Y-axis, so that a misalignment amount data graph of the whole welding seam can be obtained.

The utility model has the following beneficial effects: 1. the measurement is convenient, and the method is suitable for measuring the welding seams of equipment with different specifications; 2. the method is simple and flexible, and can be used for carrying out full-data recording analysis on the weld joint.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The longitudinal circumferential seam misalignment measuring instrument is characterized by comprising a frame, wherein a digital display instrument, a laser range finder and a roller mechanism are arranged on the frame;

2. The apparatus of claim 1, wherein a switch is provided on the frame.

3. The instrument for measuring the longitudinal girth misalignment amount according to claim 1, wherein a calibration button is provided on the digital display.

4. The instrument for measuring the misalignment of the longitudinal girth according to claim 1, wherein the digital display is provided with upper and lower limit adjusting buttons.

5. The longitudinal circumferential seam misalignment measuring instrument of claim 1 wherein the digital display has a numerical unit of mm and an accuracy of 0.1mm.

6. The machine frame and the roller mechanism are made of rigid materials.

7. The apparatus of claim 1, wherein said laser rangefinder is slidable up and down said frame.

8. The instrument for measuring the longitudinal girth misalignment amount according to claim 1, wherein a USB interface is provided on the digital display.