CN112756831A

CN112756831A - Gas pipeline fusion welding device

Info

Publication number: CN112756831A
Application number: CN202110011533.XA
Authority: CN
Inventors: 程龙祥; 叶胜军
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-05-07

Abstract

The invention relates to the technical field of pipeline fusion welding, in particular to a gas pipeline fusion welding device, which comprises a lower box body and an upper box body which are connected in a rotating mode through hinges, wherein two lower limiting columns are arranged on the front side and the rear side of the lower box body in a symmetrical mode, a clamping groove is formed in the front portion of the lower box body, a heating ring is arranged inside the lower box body, a sealing ring is arranged on the lower limiting column, an upper limiting column is arranged on the upper box body in a symmetrical mode, the heating ring coaxial with the upper limiting column is arranged in the middle of the inside of the upper box body, a mounting groove is formed in the middle of the front portion of the upper box body, a buckle is arranged in the mounting groove, the buckle is connected with the mounting groove in a rotating mode, a flange and a. The invention mainly aims to provide a gas pipeline welding device for welding in a closed environment.

Description

Gas pipeline fusion welding device

Technical Field

The invention relates to the technical field of pipeline welding, in particular to a gas pipeline welding device.

Background

Along with the high-speed development of economic construction and the great improvement of the living standard of people, town gas is developed at a high speed, the demand of the market on gas pipelines is greatly increased, the gas transportation of cities and towns is carried out through the gas pipelines, the gas pipelines are usually made of plastics and are connected by adopting hot-melt welding, the existing welding device is directly exposed outside for welding, but because the gas belongs to inflammable gas, the requirements of the gas pipelines on temperature and humidity during welding are high, and the quality of a welding interface is influenced by the direct exposed welding. In view of this, we propose a gas pipeline welding device.

Contents of the invention

The invention aims to provide a gas pipeline welding device to solve the problem that the existing welding device in the background art is directly exposed for welding, but because gas belongs to flammable gas, the requirements of the gas pipeline on temperature and humidity during welding are high, and the quality of a welding interface is affected by the direct exposed welding.

In order to achieve the purpose, the invention provides the following technical scheme:

a gas pipeline welding device comprises a lower box body and an upper box body which are rotationally connected by a hinge, two lower limiting columns are symmetrically arranged at the front side and the rear side of the lower box body, a clamping groove is arranged in the middle of the front part of the lower box body, a heating ring coaxial with the lower limiting column is arranged in the middle of the inner part of the lower box body, the cylindrical surface of the lower limit column is provided with a sealing ring, the front side and the rear side of the upper box body are symmetrically provided with upper limit columns which are the same as the lower limit columns, a heating ring coaxial with the upper limiting column is arranged in the middle of the interior of the upper box body, an installation groove is arranged in the middle of the front part of the upper box body, install the buckle in the mounting groove, the buckle with the mounting groove rotates to be connected, the bottom of buckle is provided with the flange just the buckle the flange with draw-in groove looks adaptation, two windows have been seted up to the top symmetry of going up the box.

Preferably, gaskets are symmetrically arranged at four corners of the bottom of the lower box body.

Preferably, a handle is arranged in the middle of the top of the upper box body.

Preferably, a transparent glass with a matched size is installed in the window.

Preferably, the window is connected with the glass through glue bonding.

Preferably, the sealing ring is made of rubber materials.

Compared with the prior art, the beneficial effects of the invention are as follows:

1. the welding of the gas pipeline is carried out in the closed box body, so that the welding safety is higher, and the quality of a welding interface is better.

2. The upper part of the box body is provided with the window, welding conditions can be visually seen through the window, and the welding progress is easy to control.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall appearance of the present invention;

fig. 3 is an overall cross-sectional schematic view of the invention.

In the figure: 1. a housing; 2. a handle; 21. a button; 3. an air outlet head; 4. an inner barrel; 5. a rear cover; 6. a motor; 7. a fan blade; 8. a heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention type, "plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a gas pipeline welding set, include lower box 1 and last box 2 by the hinge rotation connection, bilateral symmetry is provided with two lower spacing post 12 around lower box 1, draw-in groove 13 has been seted up in the middle of lower box 1's the front portion, install the heating ring 3 with spacing post 12 coaxial line down in the middle of lower box 1's inside, install sealing ring 4 on the face of cylinder of spacing post 12 down, bilateral symmetry is provided with the last spacing post 21 the same with lower spacing post 12 around last box 2, install the heating ring 3 with last spacing post 21 coaxial line in the middle of going up box 2's inside, go up box 2's the middle mounting groove 24 of having seted up in the middle of the front portion, install buckle 5 in the mounting groove 24, buckle 5 rotates with mounting groove 24 to be connected, buckle 5's bottom is provided with flange and buckle 5's flange and draw-in groove 13 looks adaptation, two windows 22 have been seted up to last box.

Furthermore, gaskets 11 are symmetrically arranged at four corners of the bottom of the lower box body 1. The bottom of the lower box body 1 is prevented from being corroded by direct contact with the ground.

Further, a handle 23 is installed at the top middle of the upper case 2. The device is convenient to move.

Further, a transparent glass with a suitable size is installed in the window 22. The welding condition can be visually seen through the glass, and the welding progress is easy to control.

Further, the window 22 is connected to the glass by glue. Ensuring the sealing of the joint.

Further, the seal ring 4 is made of a rubber material. The sealing effect is achieved.

Specifically, when the device is used, the device is firstly connected with an external power supply, the heating ring 3 is electrified and heated, the sealing ring 4 is sleeved on the outer circular surface of the gas pipeline, then the gas pipeline sleeved with the sealing ring 4 is placed on the lower limiting column 12, two sections of gas pipelines to be welded are sleeved, the joint is placed on the heating ring 3, the upper box body 2 and the lower box body 1 are closed, and then the flange of the buckle 5 on the upper box body 2 is inserted into the clamping groove 13, so that the whole box body is folded and the inside is kept in a closed state, and the inside of the box body is kept dry. The operator observes the progress of the welding of the gas pipe through the glass of the window 22. And after the welding is finished, the buckle 5 in the clamping groove 13 is moved away, the welded gas pipe is taken out, and the welding is finished.

The foregoing shows and describes the basic principles, essential features, and advantages of the forms of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the above-described embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a gas pipeline fusion welding device, includes lower box (1) and last box (2) of being connected by hinge rotation, its characterized in that: the front side and the rear side of the lower box body (1) are symmetrically provided with two lower limiting columns (12), the middle of the front part of the lower box body (1) is provided with a clamping groove (13), the middle of the inner part of the lower box body (1) is provided with a heating ring (3) which is coaxial with the lower limiting columns (12), the cylindrical surface of the lower limiting columns (12) is provided with a sealing ring (4), the front side and the rear side of the upper box body (2) are symmetrically provided with upper limiting columns (21) which are the same as the lower limiting columns (12), the middle of the inner part of the upper box body (2) is provided with a heating ring (3) which is coaxial with the upper limiting columns (21), the middle of the front part of the upper box body (2) is provided with a mounting groove (24), a buckle (5) is arranged in the mounting groove (24), the buckle (5) is rotatably connected with the mounting groove (24), the bottom of the buckle (5) is provided with a flange, and, two windows (22) are symmetrically arranged at the top of the upper box body (2).

2. The gas pipe welding device according to claim 1, wherein: gaskets (11) are symmetrically arranged at four corners of the bottom of the lower box body (1).

3. The gas pipe welding device according to claim 1, wherein: and a handle (23) is arranged in the middle of the top of the upper box body (2).

4. The gas pipe welding device according to claim 1, wherein: transparent glass with the matched size is arranged in the window (22).

5. The gas pipe welding device according to claim 4, wherein: the window (22) is connected with the glass through glue bonding.

6. The gas pipe welding device according to claim 1, wherein: the sealing ring (4) is made of rubber materials.