CN219881624U - Pipeline welding auxiliary assembly - Google Patents

Abstract

The utility model discloses pipeline welding auxiliary equipment, which comprises a gas pipeline and an iron pipeline for placing the gas pipeline, wherein the gas pipeline is made of rigid materials or soft materials, an air inlet device is arranged on a pipeline at the left side of the gas pipeline, a high-temperature resistant air bag is arranged on a pipeline at the left side of the air inlet device, an air outlet device is arranged on a pipeline at the right side of the high Wen Qinang resistance, a movable sealing piece is sleeved on the right side of the gas pipeline and moves on the gas pipeline, so that the movable sealing piece moves to one end outside the iron pipeline when the gas pipeline is arranged inside the iron pipeline and seals one end outside the iron pipeline, and the air inlet device, the high-temperature resistant air bag and the air outlet device are placed inside the iron pipeline through the gas pipeline and the air inlet device charges the high-temperature resistant air bag.

Description

Pipeline welding auxiliary assembly

Technical Field

The utility model relates to the field of pipeline welding, in particular to pipeline welding auxiliary equipment.

Background

At present, for welding various pipelines, such as various copper pipes and titanium alloy pipes, protective gas is filled for welding in order to prevent oxidation of the inner wall of the pipeline in the high-temperature process; however, because the sizes of the pipelines are different, the sealing device is long in time consumption for manual working of the sealing device on site by a mechanic, the sealing effect is unstable, the sealing device cannot be reused, the air charging time is long, and the waste of the protective gas is serious, so that the auxiliary pipeline welding equipment is provided.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The utility model provides a pipeline welding auxiliary assembly, includes gas piping and is used for the iron pipe that gas piping placed, gas piping is rigid material or soft material constitution, and gas piping's left side department pipeline is provided with air inlet unit, air inlet unit's left side department pipeline is provided with high temperature resistant gasbag, and high Wen Qinang's right side department pipeline is provided with the device of giving vent to anger, gas piping's right side department cover is equipped with movable seal spare, and movable seal spare removes on gas piping for gas piping moves to the outside one end department of iron pipe when setting up in the iron pipe to seal the outside one end department of iron pipe, air inlet unit, high temperature resistant gasbag and air outlet unit place in the iron pipe inside through gas piping, and air inlet unit aerifys high temperature resistant gasbag.

Preferably, a first air inlet pipe and a second air inlet pipe are arranged on the pipeline at the outer side edge of the air pipeline, and the first air inlet pipe and the second air inlet pipe are connected through the pipeline.

Preferably, the top end of the movable sealing member is vertically provided with a bolt, the bolt rotates on the movable sealing member, and the movable sealing member is locked when being moved to one end outside the iron pipe through the bolt.

Preferably, a pressure regulating valve is arranged at the joint between the gas pipeline and the first gas inlet pipe and the second gas inlet pipe respectively, the pressure regulating valve is connected with the first gas inlet pipe and the second gas inlet pipe respectively through pipelines, and the feeding amounts of the protective gas and the compressed gas are regulated through the pressure regulating valve.

Compared with the prior art, the utility model has the beneficial effects that: the high temperature resistant air bag seals one end of the iron pipe after expanding, the movable sealing piece seals one end of the outer part of the iron pipe, a protection cavity is formed in the middle of the iron pipe and is filled with protection gas through a protection gas inlet, so that the oxidation protection of the middle welding seam is realized, after the welding operation is finished, the movable sealing piece is loosened, the high temperature resistant air bag is deflated through the air outlet device, the device can be taken out for reuse, the device can locally protect the welding part of the pipe, the welding seam is sealed front and back, then the protection gas is filled, the oxidation inside the pipe welding is prevented, the quick clamping and the disassembly can be realized, the sealing is reliable, the quick operation in all directions of a welder is convenient, the high temperature is resistant, the protection gas is saved, and the device is compatible with various types of pipes.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

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 diagram of a pipe welding auxiliary device;

FIG. 2 is another schematic structural view of a pipe welding auxiliary device;

fig. 3 is a schematic view of still another construction of a pipe welding auxiliary device.

The figure shows: 1. a high temperature resistant air bag, 2, an air outlet device, 3, an air inlet device, 4, a movable sealing piece, 5, an air pipeline, 6 and a pressure regulating valve, 7, a first air inlet pipe, 8, a second air inlet pipe, 9, bolts, 10, an iron pipe, 11, a welding seam, 12 and a gas pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in the embodiment of the utility model, a pipeline welding auxiliary device comprises a gas pipeline 5 and an iron pipeline 10 for placing the gas pipeline 5, wherein the gas pipeline 5 is made of rigid materials, a pipeline at the left side of the gas pipeline 5 is provided with an air inlet device 3, a pipeline at the left side of the air inlet device 3 is provided with a high-temperature-resistant air bag 1, a pipeline at the right side of the high-temperature-resistant air bag 1 is provided with an air outlet device 2, a movable sealing piece 4 is sleeved at the right side of the gas pipeline 5, the movable sealing piece 4 moves on the gas pipeline 5, when the gas pipeline 5 is arranged inside the iron pipeline 10, the movable sealing piece 4 moves to one end outside the iron pipeline 10, and seals one end outside the iron pipeline 10, the air inlet device 3, the high-temperature-resistant air bag 1 and the air outlet device 2 are placed inside the iron pipeline 10 through the gas pipeline 5, and the air inlet device 3 inflates the high-temperature-resistant air bag 1, one end of the iron pipeline 10 is sealed after the high-temperature-resistant air bag 1 is inflated, one end of the movable sealing piece 4 is sleeved at the right side of the iron pipeline 10, the movable sealing piece 4 is moved on the gas pipeline 5, when the movable sealing piece 4 is arranged inside the iron pipeline 10, the middle part is sealed by the movable sealing piece is formed, and the air sealing piece is completely, and the air leakage protection device is completely sealed by the high-temperature-resistant sealing device is completely, and the air sealing device is completely sealed, and can be completely sealed by the middle sealing device after the air sealing device is opened, and can be completely sealed;

the gas pipeline 12 is made of soft materials, the left side pipeline of the gas pipeline 12 is provided with the gas inlet device 3, the left side pipeline of the gas inlet device 3 is provided with the high temperature resistant airbag 1, the right side pipeline of the high temperature resistant airbag 1 is provided with the gas outlet device 2, the right side of the gas pipeline 12 is sleeved with the movable sealing piece 4, the movable sealing piece 4 moves on the gas pipeline 12, the movable sealing piece 4 moves to one end outside the iron pipeline 10 when the gas pipeline 12 is arranged inside the iron pipeline 10 and seals one end outside the iron pipeline 10, the gas inlet device 3, the high temperature resistant airbag 1 and the gas outlet device 2 are placed inside the iron pipeline 10 through the gas pipeline 12, the gas inlet device 3 inflates the high temperature resistant airbag 1, one end of the iron pipeline 10 is sealed after the high temperature resistant airbag 1 is inflated, the movable sealing piece 4 seals one end outside the iron pipeline 10, the middle of the iron pipeline 10 forms a protection cavity and fills the protection gas, so that the oxidation protection of the most middle welding seam is realized, and after the operation is completed, the high temperature resistant airbag 1 can be repeatedly welded by the gas outlet device 2.

The pipeline is provided with a first air inlet pipe 7 and a second air inlet pipe 8 at the outer side edge of the gas pipeline 5, the first air inlet pipe 7 and the second air inlet pipe 8 are connected through pipelines, and protective gas and compressed gas are transferred to the gas pipeline 5 through the first air inlet pipe 7 and the second air inlet pipe 8 and are filled into the middle of the iron pipeline 10 to form the interior of the protective cavity.

The top end of the movable sealing piece 4 is vertically provided with a bolt 9, the bolt 9 rotates on the movable sealing piece 4, and the movable sealing piece 4 is locked when being moved to one end outside the iron pipe 10 through the bolt 9.

The connection part between the gas pipeline 5 and the first gas inlet pipe 7 and the second gas inlet pipe 8 is provided with a pressure regulating valve 6, the pressure regulating valve 6 is connected with the first gas inlet pipe 7 and the second gas inlet pipe 8 through pipelines, and the feeding amounts of protective gas and compressed gas are regulated through the pressure regulating valve 6.

The iron pipe 10 is formed with a weld 11, and the weld 11 is located at the outside of the iron pipe 10.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (4)

1. The utility model provides a pipeline welding auxiliary assembly, its characterized in that includes gas piping and is used for the iron pipe that gas piping placed, gas piping is rigid material or soft material to constitute, and gas piping's left side department pipeline is provided with air inlet unit, air inlet unit's left side department pipeline is provided with high temperature resistant gasbag, and high Wen Qinang's right side department pipeline is provided with the air outlet unit, gas piping's right side department cover is equipped with movable seal spare, and movable seal spare removes on gas piping for gas piping moves to the outside one end department of iron pipe when setting up in the iron pipe to seal the outside one end department of iron pipe, air inlet unit, high temperature resistant gasbag and air outlet unit are placed in the iron pipe inside through gas piping, and air inlet unit aerifys high temperature resistant gasbag.

2. The pipe welding auxiliary device according to claim 1, wherein the pipe at the outer side of the gas pipe is provided with a first gas inlet pipe and a second gas inlet pipe, and the first gas inlet pipe and the second gas inlet pipe are connected by a pipe.

3. A pipe welding auxiliary device according to claim 1, wherein the movable seal is provided with a bolt vertically at the top end thereof, and the bolt is rotated on the movable seal and locked when the movable seal is moved to the outer end of the iron pipe by the bolt.

4. The pipe welding auxiliary device according to claim 2, wherein pressure regulating valves are provided at the junctions of the gas pipes with the first and second gas inlet pipes, respectively, and the pressure regulating valves are connected with the first and second gas inlet pipes, respectively, by pipes, and the inflow amounts of the shielding gas and the compressed gas are regulated by the pressure regulating valves.