CN219946198U

CN219946198U - Be applied to on-spot pipeline tee bend opening marking off specialized tool

Info

Publication number: CN219946198U
Application number: CN202321474551.2U
Authority: CN
Inventors: 夏国振; 隋大涛; 钟大正; 李善斌; 隋萌萌
Original assignee: SEPCO Electric Power Construction Co Ltd
Current assignee: SEPCO Electric Power Construction Co Ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-03
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a special tool for scribing a three-way opening of a field pipeline, which mainly relates to the field of pipeline construction; the device comprises a fixed disc which is used for being connected with a flange on a branch pipe or an equipment interface flange, wherein a connecting bolt is arranged on the fixed disc, one end of the fixed disc is provided with a central shaft, a scribing block is arranged on the central shaft, a scribing gauge is arranged on the scribing block, the scribing block is rotationally connected with the central shaft, and the scribing block can slide along the axis direction of the central shaft; the utility model can improve the scribing precision and the scribing efficiency.

Description

Be applied to on-spot pipeline tee bend opening marking off specialized tool

Technical Field

The utility model relates to the field of pipeline construction, in particular to a special tool for scribing a three-way opening of a field pipeline.

Background

In pipeline installation, especially when main pipe and branch pipe are installed on site, the on-site tapping is required, and traditional solution adopts the square to lead to main pipe department by the branch pipe, and many marks are connected with the mark, accomplish the marking off, but in the marking off in-process, because the butt joint face has the radian, the deviation appears easily when hand drawing, inefficiency.

To solve the above problems, the existing patent names are: the utility model discloses a special scribing tool for a three-way opening of a pipeline (with the publication number of CN 218518642U), but the special scribing tool is fixed on the pipeline to be opened for use, correction is needed before scribing, the scribing center is ensured to be positioned on the central line of a branch pipe or an equipment interface flange, and great improvement space still exists for scribing precision and scribing efficiency.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a special tool for scribing a three-way opening of a field pipeline, which can improve scribing precision and scribing efficiency.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a be applied to on-spot pipeline tee bend opening marking off specialized tool, is including being used for with flange or the equipment interface flange joint's on the branch pipe fixed disc, be equipped with connecting bolt on the fixed disc, the one end of fixed disc is equipped with the center pin, be equipped with the marking off frame on the center pin, be equipped with the marking gauge on the marking off frame, the marking off frame rotates with the center pin to be connected, and the marking off frame can slide along the axis direction of center pin.

Preferably, a limiting block is arranged at one end of the central shaft, which is far away from the fixed disc.

Preferably, one end of the scribing frame is provided with a mounting sleeve which is matched with the central shaft.

Preferably, the horizontal distance between the scribing compass and the central shaft is adjustable.

Preferably, one end of the fixed disc far away from the central shaft is annularly provided with a plurality of internal limiting clamping blocks in an array manner.

Preferably, a fixed diagonal bracing is arranged between the central shaft and the fixed disc.

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

according to the utility model, the fixed disc is fixed on the flange on the branch pipe or the flange of the equipment interface through the connecting bolt, so that the central axis is ensured to be collinear with the axis of the branch pipe or the equipment interface, correction is not needed, then the scribing gauge is moved to the parent pipe, the scribing is completed after the scribing gauge rotates for one circle along the central axis, then the scribing device is disassembled, and the scribing precision at the next position is carried out, so that the scribing efficiency can be improved.

Drawings

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

fig. 2 is a usage state reference diagram of the present utility model.

The reference numbers in the drawings: 1. a fixed disc; 2. a connecting bolt; 3. a central shaft; 4. a line drawing frame; 5. marking a gauge; 6. a limiting block; 7. a mounting sleeve; 8. an internal limit clamping block; 9. fixing the diagonal bracing; 10. an equipment interface flange; 11. a main pipe.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

Examples: referring to fig. 1, the utility model discloses a special tool for scribing a three-way opening of a field pipeline, which comprises a fixed disc 1 used for being connected with a flange on a branch pipe or an equipment interface flange, wherein the fixed disc 1 is provided with a connecting bolt 2, the position of the connecting bolt 2 corresponds to the position of a bolt hole of the flange on the branch pipe or the equipment interface flange, one end of the fixed disc 1 is provided with a central shaft 3, and one end of the central shaft 3 is welded at the center of the fixed disc 1.

The center shaft 3 is provided with a scribing frame 4, the scribing frame 4 is provided with a downward extending scribing gauge 5, the scribing frame 4 is rotationally connected with the center shaft 3, and the scribing frame 4 can slide along the axis direction of the center shaft 3.

Preferably, in order to avoid the falling off of the scribing frame, a limiting block 6 is disposed at one end of the central shaft 3 far away from the fixed disc 1, and the limiting block 6 can be directly welded on the central shaft 3 or fixed on the central shaft 3 through a screw.

Preferably, in order to facilitate the installation of the scribing frame, one end of the scribing frame 4 is welded with an installation sleeve 7 adapted to the central shaft 3, and the installation sleeve 7 can rotate around the central shaft 3 and also can slide along the axis line of the central shaft 3.

Preferably, in order to obtain the tracks with different diameters, the horizontal distance between the scribing compass 5 and the central shaft 3 is adjustable, the scribing frame 4 can adopt a telescopic rod with one end fixed on the scribing compass 5 and adjustable length, the telescopic rod is provided with locking screws for locking the length of the telescopic rod, the number of the telescopic rods is two, and the two telescopic rods are arranged in parallel.

Preferably, the one end annular array that center pin 3 was kept away from to fixed disc 1 is equipped with a plurality of inside spacing fixture block 8, and in flange or the equipment interface flange on the branch pipe were gone into to fixture block 8, and the inner wall butt of the one end and the flange of fixture block 8 can prevent that fixed disc 1 from rocking, further promotes the marking off precision.

Preferably, in order to ensure the coaxiality of the central shaft and the fixed disc, fixed diagonal braces 9 are welded between the central shaft 3 and the fixed disc 1, and the number of the fixed diagonal braces 9 can be four, and the fixed diagonal braces are arranged in an annular array, so that the central shaft 3 can be prevented from being deformed.

As shown in figure 2, when the utility model is used, the fixed disc 1 is fixed on the equipment interface flange 10 through the connecting bolt 2, so that the central shaft 3 and the axis line of the equipment interface are ensured to be collinear, correction is not needed, then the scribing compass 5 is moved to the position of the main pipe 11 (such as an overground ring pipe), and after the scribing compass 5 rotates around the central shaft 3 for one circle, scribing is completed, the utility model is removed, the next scribing is carried out, the operation is convenient and quick, the scribing precision can be improved, and the scribing efficiency is improved.

Claims

1. Be applied to on-spot pipeline tee bend opening marking off specialized tool, its characterized in that: including being used for with flange or equipment interface flange joint's on the branch pipe fixed disc (1), be equipped with connecting bolt (2) on fixed disc (1), the one end of fixed disc (1) is equipped with center pin (3), be equipped with on center pin (3) and draw line frame (4), be equipped with on draw line frame (4) and draw rule (5), draw line frame (4) are connected with center pin (3) rotation, and draw line frame (4) can slide along the axis direction of center pin (3).

2. The special tool for scribing a three-way opening of a field pipeline according to claim 1, wherein the special tool is characterized in that: one end of the central shaft (3) far away from the fixed disc (1) is provided with a limiting block (6).

3. The special tool for scribing a three-way opening of a field pipeline according to claim 1, wherein the special tool is characterized in that: one end of the scribing frame (4) is provided with a mounting sleeve (7) which is matched with the central shaft (3).

4. The special tool for scribing a three-way opening of a field pipeline according to claim 1, wherein the special tool is characterized in that: the horizontal distance between the scribing compass (5) and the central shaft (3) is adjustable.

5. The special tool for scribing a three-way opening of a field pipeline according to claim 1, wherein the special tool is characterized in that: one end of the fixed disc (1) far away from the central shaft (3) is annularly provided with a plurality of internal limiting clamping blocks (8).

6. The special tool for scribing a three-way opening of a field pipeline according to claim 1, wherein the special tool is characterized in that: a fixed diagonal brace (9) is arranged between the central shaft (3) and the fixed disc (1).