CN216731782U

CN216731782U - AUT track installation reference line drawing device

Info

Publication number: CN216731782U
Application number: CN202122853934.8U
Authority: CN
Inventors: 孙远超; 曹健; 石志华; 黄孔春; 陶学刚; 刘建波; 刘磊; 柳章龙
Original assignee: Zhejiang Youerte Testing Technology Co ltd; Xuzhou Dongfang Engineering Detection Co ltd
Current assignee: Zhejiang Youerte Testing Technology Co ltd; Xuzhou Dongfang Engineering Detection Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-06-14
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses an AUT (autonomous underwater vehicle) track installation reference line drawing device, and relates to the technical field of track installation; the device comprises a bottom plate, a plurality of idler wheels positioned below the bottom plate, two positioning wheels positioned on one side of the idler wheels and used for being matched with the end part of a pipeline, a drawing head positioned on the lower side of the bottom plate and used for drawing on the pipeline, a spring used for pressing the drawing head on the wall of the pipeline, and an adjusting mechanism used for adjusting the elasticity of the spring. When the device is used, the positioning wheel abuts against the end part of the pipeline, then the roller abuts against the pipe wall, the handle is held by hand, the spring is contracted, the drawing head is tightly pressed on the pipe wall, the device is pushed, the roller moves on the pipe wall, the positioning wheel moves along the end part of the pipeline, the positioning wheel has the function of keeping the distance from the drawing head to the end part of the pipeline unchanged, after the device moves for a circle, the drawing head draws a circle on the pipe wall, and the drawing of the reference line is completed.

Description

AUT track installation reference line drawing device

Technical Field

The utility model belongs to the technical field of rail installation, and particularly relates to an AUT rail installation reference line drawing device.

Background

With the comprehensive application of automatic welding in the construction of long-distance pipelines, the AUT detection is widely popularized. AUT is the best detection technology of full-automatic welding, but the AUT detection accuracy also receives the track installation precision factor influence, and national standard GB/T50818-2013 stipulates that the track installation can not be greater than +/-0.5 mm from the central line distance error of welding seam, and present automatic welding directly carries out welding, and the precision is low, and in order to guarantee high-precision welding, a reference line with higher precision needs to be drawn before pipeline welding.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides an AUT track installation reference line drawing device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a device is drawn to AUT track installation reference line, includes the bottom plate, a plurality of gyro wheels that are located the bottom plate below, two be located gyro wheel one side be used for with pipeline tip complex locating wheel, be located the drawing head that the bottom plate downside was used for drawing on the pipeline, be used for compressing tightly the drawing head again on the wall of pipeline, be used for adjusting the adjustment mechanism of the elasticity of spring.

Preferably, the lower side of the bottom plate is provided with two rotating shafts, the rotating shafts are fixedly connected to the lower side of the bottom plate through connecting pieces, and the two ends of each rotating shaft are rotatably connected with the rollers.

Preferably, a handle is fixed to the upper side of the bottom plate.

Preferably, the handle is connected to the base plate by screws.

Preferably, the drawing head is made of diamond.

Preferably, the adjusting mechanism comprises a guide pipe penetrating through the bottom plate, a first nut in threaded sleeve connection with one end of the guide pipe, a second nut in threaded sleeve connection with the other end of the guide pipe, an adjusting pipe in threaded connection with the first nut, and an adjusting bolt in threaded connection with the adjusting pipe; one end of the drawing head passes through the second screw cap and is positioned in the guide pipe; one end of the spring is abutted against the adjusting bolt, the other end of the spring is abutted against the drawing head, the first nut and the second nut are respectively abutted against two opposite sides of the bottom plate, and the adjusting pipe is abutted against the guide pipe.

Preferably, a guide groove is formed in the guide pipe, one end, close to the second nut, of the guide groove is located on the end face of the guide pipe, a limiting key is fixedly connected to the drawing head, and the limiting key is connected to the guide groove in a sliding mode.

The utility model has the beneficial effects that: when the device is used, the positioning wheel abuts against the end of the pipeline, then the idler wheel abuts against the pipe wall, the handle is held by the hand, the spring contracts, the drawing head is pressed on the pipe wall, the device is pushed, the idler wheel moves on the pipe wall, the positioning wheel moves along the end of the pipeline, the positioning wheel is used for keeping the distance between the drawing head and the end of the pipeline unchanged, after the device moves for a circle, the drawing head draws a circle on the pipe wall, and the reference line drawing is completed.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is a schematic diagram of the embodiment when it is drawn.

In the figure: the drawing device comprises a bottom plate 1, a roller 2, a pipeline 3, a positioning wheel 4, a drawing head 5, a spring 6, a rotating shaft 7, a handle 8, a guide pipe 9, a first nut 10, a second nut 11, an adjusting pipe 12 and an adjusting bolt 13.

Detailed Description

The utility model is explained in further detail below with reference to the figures and the detailed description:

the embodiment is as follows:

referring to fig. 1 to 3, an AUT track installation reference line drawing device includes a bottom plate 1, a plurality of rollers 2 located below the bottom plate 1, two positioning wheels 4 located at one side of the rollers 2 and used for being matched with the end of a pipeline 3, a drawing head 5 located at the lower side of the bottom plate 1 and used for drawing on the pipeline 3, a spring 6 used for pressing the drawing head 5 against the wall of the pipeline 3, and an adjusting mechanism used for adjusting the elasticity of the spring 6.

Two rotating shafts 7 are arranged on the lower side of the bottom plate 1, the rotating shafts 7 are fixedly connected to the lower side of the bottom plate 1 through connecting pieces, and the two ends of each rotating shaft 7 are rotatably connected with the idler wheels 2.

A handle 8 is fixedly connected with the upper side of the bottom plate 1.

The handle 8 is connected to the base plate 1 by screws.

The drawing head 5 is made of diamond.

The adjusting mechanism comprises a guide pipe 9 penetrating through the bottom plate 1, a first nut 10 in threaded sleeve connection with one end of the guide pipe 9, a second nut 11 in threaded sleeve connection with the other end of the guide pipe 9, an adjusting pipe 12 in threaded connection with the first nut 10, and an adjusting bolt 13 in threaded connection with the adjusting pipe 12;

one end of the drawing head 5 passes through the second screw cap 11 and is positioned in the guide pipe 9;

one end of the spring 6 is abutted against the adjusting bolt 13, the other end of the spring is abutted against the drawing head 5, the first nut 10 and the second nut 11 are respectively abutted against two opposite sides of the bottom plate 1, and the adjusting pipe 12 is abutted against the guide pipe 9.

Be equipped with the guide way in the stand pipe 9, the one end that the guide way is close to second nut 11 is located the terminal surface of stand pipe 9, and the rigid coupling has spacing key on drawing head 5, and spacing key sliding connection is in the guide way.

Principle of embodiment:

when the drawing head is used, the positioning wheel 4 abuts against the end part of the pipeline 3, then the roller 2 abuts against the pipe wall, the handle 8 is held by a hand, the spring 6 contracts, and the drawing head 5 is tightly pressed on the pipe wall, which is shown in figure 3; promote this device, gyro wheel 2 moves on the pipe wall, and locating wheel 4 moves along the pipeline tip, and the effect of locating wheel 4 is for draw head 5 unchangeable apart from the distance of pipeline tip, after this device motion a week, draw head 5 and carve a circle on the pipe wall, the reference line is carved and is accomplished.

When the drawing head is assembled, the adjusting pipe 12, the first screw cap and the guide pipe are assembled together, then the guide pipe penetrates through the bottom plate, then the drawing head is inserted into the guide pipe, then the second screw cap is sleeved on the drawing head, the second screw cap is screwed, a spring is placed in the guide pipe, and then the adjusting bolt is installed.

Claims

1. The device is characterized by comprising a bottom plate, a plurality of rollers positioned below the bottom plate, two positioning wheels positioned on one side of the rollers and used for being matched with the end part of a pipeline, a drawing head positioned on the lower side of the bottom plate and used for drawing on the pipeline, a spring used for pressing the drawing head on the wall of the pipeline, and an adjusting mechanism used for adjusting the elasticity of the spring.

2. The device for drawing the AUT track installation reference line according to claim 1, wherein two rotating shafts are arranged on the lower side of the bottom plate, the rotating shafts are fixedly connected to the lower side of the bottom plate through connecting pieces, and the rollers are rotatably connected to two ends of each rotating shaft.

3. The device for drawing the AUT track installation reference line according to claim 1, wherein a handle is fixedly connected to the upper side of the bottom plate.

4. The AUT rail mounting reference line drawing device of claim 3, wherein the handle is connected to the base plate by a screw.

5. The device of claim 1, wherein the drawing head is made of diamond.

6. The AUT track installation reference line drawing device of claim 1, wherein the adjusting mechanism comprises a guide pipe penetrating through the bottom plate, a first nut threadedly sleeved at one end of the guide pipe, a second nut threadedly sleeved at the other end of the guide pipe, an adjusting pipe threadedly connected in the first nut, and an adjusting bolt threadedly connected in the adjusting pipe;

one end of the drawing head passes through the second screw cap and is positioned in the guide pipe;

one end of the spring is abutted against the adjusting bolt, the other end of the spring is abutted against the drawing head, the first nut and the second nut are respectively abutted against two opposite sides of the bottom plate, and the adjusting pipe is abutted against the guide pipe.

7. The device for drawing the AUT track installation reference line according to claim 6, wherein a guide groove is formed in the guide tube, one end of the guide groove, which is close to the second nut, is positioned on the end surface of the guide tube, and a limit key is fixedly connected to the drawing head and is slidably connected in the guide groove.