CN216899105U

CN216899105U - Structure for calibrating boiler barrel datum line by utilizing communicating pipe

Info

Publication number: CN216899105U
Application number: CN202220589850.XU
Authority: CN
Inventors: 姚燕琴
Original assignee: WUXI HUAGUANG INDUSTRIAL BOILER CO LTD
Current assignee: WUXI HUAGUANG INDUSTRIAL BOILER CO LTD
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-05
Anticipated expiration: 2032-03-17

Abstract

The utility model belongs to the technical field of measurement, and relates to a structure for calibrating a boiler barrel reference line by utilizing a communicating pipe, which comprises a roller carrier, wherein rollers are arranged on the roller carrier, a boiler barrel is placed between the rollers during calibration, and the outer wall of the boiler barrel is provided with a water pipe through an adjustable pipe clamp; the adjustable pipe clamp comprises a right-adjusting pipe clamp and a left-adjusting pipe clamp, the right-adjusting pipe clamp and the left-adjusting pipe clamp are positioned on the outer wall of the boiler barrel, and the horizontal center lines of the right-adjusting pipe clamp and the left-adjusting pipe clamp are positioned on the same straight line; the utility model has simple structure, low cost of used tools and simple and convenient operation, and the transparent water pipe with scales can omit measurement with a measuring tool; the fixed water pipe of pipe clamp with adjustable application has broken traditional calibration and has examined the supplementary condition restriction of other one when fixing a reference line, uses this structure calibration location reference line, only needs alone just can accomplish, reduces the cost of labor.

Description

Structure for calibrating boiler barrel datum line by utilizing communicating pipe

Technical Field

The utility model belongs to the technical field of measurement, and relates to a structure for calibrating a boiler barrel reference line by utilizing a communicating pipe.

Background

In the manufacturing process of the boiler barrel, the accurate division of a positioning datum line of the center of the boiler barrel is of great importance; the traditional scribing method is as follows: placing a flat bridge ruler at one end of the drum, aligning by using a level meter to ensure that hanging lines at two ends of the flat bridge ruler are tangent to the outer wall of the drum, finding out a central point sample punching hole at the top of the drum by using the outer radius length of two ends of the drum, and drawing a straight line by taking the sample punching holes at the two ends as a reference, namely a longitudinal central line on the formal drum; and dividing the outer circumference of the drum body into four equal parts according to the longitudinal center line to form another three drum longitudinal center lines.

However, each drum has an allowable deviation, when the deviation of the inner diameter of the drum is within a limit deviation specified in the manufacturing requirements of the GBT/16507 water tube boiler, and the drum is not in an ideal state when being placed on a roller frame, and when a certain angle exists, accumulated errors are easy to generate, so that the longitudinal datum line is deviated, and the subsequent scribing of the tube hole datum line is influenced.

Whether the operation method for marking the longitudinal center line of the boiler barrel is correct and reasonable directly influences the manufacture of the whole boiler barrel; if the error occurs, the pipe hole is out of tolerance and the whole drum shell section is scrapped; the method is a common problem in the actual manufacturing process, and in the process flow, the marking and the hole arrangement are used as a key stopping point and are an important inspection item in the boiler manufacturing inspection; the correct and reasonable marking operation method of the longitudinal datum line of the boiler barrel directly influences the manufacture of the whole boiler barrel.

Disclosure of Invention

The utility model aims to provide a structure for calibrating a boiler barrel datum line by utilizing a communicating pipe, which can solve the problems that accumulated errors are easy to generate when a certain angle exists due to an unsatisfactory position of a boiler barrel arranged on a roller frame, the longitudinal datum line is deviated, and the subsequent scribing of a pipe hole datum line is influenced.

According to the technical scheme provided by the utility model: a structure for calibrating a boiler barrel datum line by utilizing a communicating pipe comprises a roller carrier, wherein rollers are arranged on the roller carrier, a boiler barrel is placed between the rollers during calibration, and a water pipe is arranged on the outer wall of the boiler barrel through an adjustable pipe clamp;

the adjustable pipe clamp comprises a right-adjusting pipe clamp and a left-adjusting pipe clamp, the right-adjusting pipe clamp and the left-adjusting pipe clamp are located on the outer wall of the boiler barrel, and the horizontal center lines of the right-adjusting pipe clamp and the left-adjusting pipe clamp are located on the same straight line.

Preferably, the water pipe material is transparent soft plastics, and the surface marks the scale.

Preferably, the length of the water pipe is more than one half of the circumference of the boiler barrel, when the boiler is used, tap water is filled in the water pipe, a red or yellow dominant coloring agent is added into the tap water, and the left height and the right height of the tap water in the water pipe are respectively a left water line and a right water line.

Preferably, the adjustable pipe clamp is made of plastic and is provided with strong adhesive glue.

Preferably, the adjustable pipe clamp is provided with saw teeth.

Preferably, the adjustable pipe clamp is an arc-shaped iron sheet hoop.

Preferably, the adjustable pipe clamp is magnetically attracted to the outer wall of the drum by using iron.

Preferably, transparent hard plastic pipes with scale marks are respectively arranged at two ends of the water pipe.

The structure for calibrating the datum line of the boiler barrel by utilizing the communicating pipe is simple in structure, low in cost of used tools and simple and convenient to operate, and the water pipe with scales can be used for omitting measurement by a measuring tool; the adjustable pipe clamp is used for fixing the water pipe, the condition limitation that another person is needed for assisting in calibrating and checking the positioning reference line in the prior art is broken through, the calibration of the positioning reference line by using the structure can be completed by only one person, and the labor cost is reduced; the method has strong operability, and is suitable for calibrating the longitudinal positioning reference line of the boiler barrel and the longitudinal positioning reference line of the large-caliber collecting box.

By using the principle of a communicating vessel: when the same liquid in the communicating vessel does not flow, the liquid level in each container is level, the precision of the longitudinal positioning reference line is improved, the accumulated error is reduced, the manufacturing quality of the boiler barrel is improved, and the boiler is safely and safely used.

Drawings

FIG. 1 is a block diagram of the present invention.

A drum 1; a water pipe 2; a right waterline 31; a left water line 32; an adjustable pipe clamp 4; a right-hand pipe clamp 41; a left-hand pipe clamp 42; and a roller frame 5.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, the utility model is a structure for calibrating a boiler barrel datum line by utilizing a communicating pipe, which comprises a roller carrier 5, wherein rollers are arranged on the roller carrier 5, a boiler barrel 1 is placed between the rollers during calibration, and the outer wall of the boiler barrel 1 is provided with a water pipe 2 through an adjustable pipe clamp 4;

the adjustable pipe clamp 4 comprises a right-adjusting pipe clamp 41 and a left-adjusting pipe clamp 42, the right-adjusting pipe clamp 41 and the left-adjusting pipe clamp 42 are located on the outer wall of the boiler barrel 1, and the horizontal center lines of the right-adjusting pipe clamp 41 and the left-adjusting pipe clamp 42 are located on the same straight line.

The outer side of the boiler barrel 1 is equidistantly divided into four quadrants, namely a quadrant I, a quadrant II, a quadrant III and a quadrant IV, wherein the quadrant I is vertically distributed with the quadrant III, and the quadrant II is horizontally distributed with the quadrant IV; the four quadrants are used as the reference lines of the scribing row holes of the boiler barrel 1.

Preferably, the water pipe 2 is made of transparent soft plastic, and a graduated scale is marked on the outer surface of the water pipe; adopt transparent soft plastics to be convenient for water pipe 2 to bend and observe the inside solution of water pipe 2, the scale is used for reading out the water level altitude difference that measures directly perceivedly.

Preferably, the length of the water pipe 2 is greater than one half of the circumference of the drum 1, when in use, tap water is filled in the water pipe 2, a red or yellow dominant coloring agent is added into the tap water, and the left height and the right height of the tap water in the water pipe 2 are respectively a left water level line 31 and a right water level line 32; the coloring agent is added, so that the position of the water line 3 can be displayed clearly; the tap water can be replaced by warm water with the temperature of more than 25 ℃ in cold winter; is more beneficial to softening the water pipe 2, increases the toughness thereof and is better attached to the circumferential outer surface of the boiler barrel 1.

Preferably, the adjustable pipe clamp 4 is made of plastic and is provided with strong adhesive glue; and the adhesive tape is provided with strong adhesive glue, thereby being beneficial to repeated disassembly.

Preferably, the adjustable pipe clamp 4 is provided with saw teeth; the adjustable pipe clamp 4 can be flexibly adjusted according to the pipe diameters of different water pipes 2, and the universal distribution is strong.

Preferably, the adjustable pipe clamp 4 is an arc-shaped iron sheet hoop; the adjustable pipe clamp 4 is magnetically attracted to the outer wall of the drum 1 by iron.

Preferably, transparent hard plastic pipes with scale marks are respectively arranged at two ends of the water pipe 2; the water level line can be conveniently observed and displayed by being attached to the circumference quadrants at the two sides of the boiler barrel 1.

The working principle is as follows:

after the boiler barrel 1 is initially adjusted, the water pipe 2 is wound on the longitudinal central lines of quadrants II and IV on the outer wall of the boiler barrel 1, tap water is filled in the water pipe 2, the longitudinal central line of the quadrant II on one side of the boiler barrel 1 is taken as a reference, the left water level 31 of the tap water in the water pipe 2 is leveled with the longitudinal central line of the quadrant II by using the adjustable pipe clamp 4, and the water pipe is positioned and fixed; and then the water pipe 2 is surrounded on the outer wall of the boiler barrel 1 along the circumferential direction and is tightly attached to the longitudinal reference line of the quadrant IV, the height difference value of the right water level line 32 of tap water in the water pipe 2 and the original longitudinal central line of the quadrant IV is read out according to the surface scale of the water pipe 2, the original quadrant II and the original quadrant IV on the two sides of the boiler barrel 1 are regulated according to half of the height difference value, then marking is carried out again, and the original sample flushing mark is ground to prevent confusion.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.

Claims

1. A structure for calibrating a boiler barrel datum line by utilizing a communicating pipe is characterized by comprising a roller carrier (5), wherein rollers are arranged on the roller carrier (5), a boiler barrel (1) is placed between the rollers during calibration, and a water pipe (2) is arranged on the outer wall of the boiler barrel (1) through an adjustable pipe clamp (4);

the adjustable pipe clamp (4) comprises a right-adjusting pipe clamp (41) and a left-adjusting pipe clamp (42), the right-adjusting pipe clamp (41) and the left-adjusting pipe clamp (42) are located on the outer wall of the boiler barrel (1), and horizontal center lines of the right-adjusting pipe clamp (41) and the left-adjusting pipe clamp (42) are located on the same straight line.

2. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: the water pipe (2) is made of transparent soft plastic, and a graduated scale is marked on the outer surface of the water pipe.

3. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: the length of the water pipe (2) is larger than one half of the perimeter of the boiler barrel (1), when the boiler is used, tap water is filled in the water pipe (2), a red or yellow dominant coloring agent is added into the tap water, and the left height and the right height of the tap water in the water pipe (2) are respectively a left water level line (31) and a right water level line (32).

4. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: the adjustable pipe clamp (4) is made of plastic and is provided with strong adhesive glue.

5. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: the adjustable pipe clamp (4) is provided with sawteeth.

6. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: the adjustable pipe clamp (4) is an arc-shaped iron sheet hoop.

7. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: the adjustable pipe clamp (4) is magnetically attracted to the outer wall of the drum (1) by iron.

8. The structure for calibrating the reference line of the drum by using the communicating pipe as claimed in claim 1, wherein: transparent hard plastic pipes with scale marks are respectively arranged at two ends of the water pipe (2).