CN105195935B - Flexible gas protection device for pipeline welding - Google Patents
Flexible gas protection device for pipeline welding Download PDFInfo
- Publication number
- CN105195935B CN105195935B CN201510685772.8A CN201510685772A CN105195935B CN 105195935 B CN105195935 B CN 105195935B CN 201510685772 A CN201510685772 A CN 201510685772A CN 105195935 B CN105195935 B CN 105195935B
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- CN
- China
- Prior art keywords
- protection device
- gas protection
- component
- flexible gas
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/006—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a flexible gas protection device for pipeline welding. The flexible gas protection device comprises a supporting component, sealing components and an air inflation component, wherein the supporting component is a cylinder of which the two ends are closed or not closed; the air inflation component is positioned inside the cylinder; the end part of an air faucet of the air inflation component penetrates through the inner wall of the cylinder, and extends out of the supporting component; each sealing component comprises two fixed wheels fixed at the two ends of the air inflation component, and ring-shaped sealing skirt edges respectively arranged on the outer rings of the fixed wheels and made of flexible material. According to the flexible gas protection device, the structure is simple, the assembling is convenient, and time is saved; by virtue of a sealed cavity defined by the two sealing components, the argon inflating volume can be reduced, the argon filling time is shortened, and argon is saved; besides, each sealing component comprises the ring-shaped sealing skirt edges made of flexible material, so that the device has certain flexibility during use, and is better in protection effect.
Description
Technical field
The present invention relates to a kind of gas shield device, specifically a kind of flexible gas protection dress for steel pipeline welding
Put.
Background technology
The pipeline welding in pipe prefabrication production process is a kind of requisite means of production.Traditional back side argon filling is protected
Shield, from one end of pipe to weld argon filling, this technique protected effect is good, but cumbersome, difficulty, it is impossible to grasp inflation
Time and aeration quantity, directly result in argon and waste, increased construction cost, have an effect on efficiency and pipeline welding quality.
There is a kind of water soluble paper protection in addition, although protected effect preferably, is used flexibly, but cannot be reused, only
Energy first use can not take out, and install troublesome, time-consuming, less efficient.
The content of the invention
Goal of the invention：Present invention aim at being directed to the deficiencies in the prior art, there is provided one kind assembling is simple, save argon and
The good flexible gas protection device of protected effect.
Technical scheme：Flexible gas protection device for pipeline welding of the present invention, including support component, sealing group
Part and inflatable component, the support component is closed at both ends or the cylindrical tube do not closed, and the inflatable component is located at described
In cylinder, the valve end of the inflatable component is stretched out outside the support component through the inwall of the cylinder；The sealing group
Part includes being fixed on two fast pulleys at the inflatable component two ends and is separately positioned on the fast pulley outer ring by flexible material
Annular seal shirt rim made by material, the diameter with diameter greater than pipeline to be welded of the sealing shirt rim；The inflatable component
Valve external part is located between two fast pulleys, and extension elongation is less than the height of the sealing shirt rim.
Specific work process of the present invention is, during pipeline welding, the flexible gas protection device is loaded at two pipe fittings boil on the nape opposite the mouth,
The black box at support component two ends forms one section of annular seal space between two pipes, is filled to this section of sealing intracavity from the valve of inflatable component
Enter argon, argon is dispersed in sealing intracavity, starts welding operation, and the flexible gas protection device is taken out after the completion of welding, repeats
Utilize.
Further preferably technical scheme is that the two ends of the support component are additionally provided with guidance set, described to the present invention
Guidance set includes being evenly distributed on some lead columns of the support component end, and is arranged on each guiding column end in institute
Free rolling ball in lead column is stated, the lead column is fixed on the end of the support component, the rolling by fixed block
Pearl is overlayed on the inwall of pipeline to be welded, and the inwall along the pipeline to be welded is rolled.After the completion of welding, promote and be oriented to
The ball of component is rolled along steel pipe inner wall, by taking-up flexible gas protection device in steel pipe.
Preferably, the support component two ends are distributed with respectively 4 lead columns, and the rolling arbitrarily in the lead column of one end 4
The axle center of pearl is generally aligned in the same plane.
Preferably, it is respectively arranged with twice annular seal shirt rim on the fast pulley outer ring.
Preferably, the fast pulley Desing of Interference Joint or it is welded on the end of the support component.
Preferably, it is additionally provided with oxygen concentration detection means on the cylinder body outer wall of the support component.
Preferably, the sealing shirt rim is made up of flexible carbon fibre material, flexible graphite material one of which.
Beneficial effect：（1）The flexible gas protection device simple structure of the present invention, it is easy to assembly, it is time-consuming, it is close by two
The annular seal space that sealing assembly is surrounded, can reduce argon aeration quantity, and shortening is rushed the argon time, saves argon；While the sealing group of the present invention
Part includes the annular seal shirt rim being fabricated from a flexible material, and when in use with certain flexibility, protected effect is preferable；
（2）The present invention is provided with guidance set at the two ends of support component, can be after the completion of steel-pipe welding, conveniently
Flexible gas protection device is taken out, is easy to recycling, improve the service life of device；
（3）The sealing intracavity that the present invention is surrounded in two black boies is additionally provided with oxygen concentration detection means, can be directly perceived
Understanding sealing intracavity oxygen concentration, further reduce argon aeration quantity, improve work efficiency.
Description of the drawings
Fig. 1 is the structural representation of flexible gas protection device of the present invention；
Fig. 2 is the sectional view of flexible gas protection device of the present invention；
Fig. 3 is the side view of flexible gas protection device of the present invention.
Specific embodiment
Technical solution of the present invention is described in detail below by accompanying drawing, but protection scope of the present invention is not limited to
The embodiment.
Embodiment 1：A kind of flexible gas protection device for pipeline welding, as shown in the figure：Including support component 1, close
Sealing assembly 2, inflatable component 3 and guidance set 4.
Support component 1 is closed at both ends or the cylindrical tube do not closed, and oxygen concentration detection is provided with cylinder body outer wall
Device；Inflatable component 3 is located in cylinder, and the valve end of inflatable component 3 is stretched out outside support component 1 through the inwall of cylinder；
Black box 2 includes Desing of Interference Joint in two fast pulleys 21 at inflatable component two ends and is separately positioned on fast pulley
21 outer rings twice annular seal shirt rim 22 by made by flexible carbon fibre material, sealing shirt rim 22 with diameter greater than adapter to be welded
The diameter in road；The valve external part of inflatable component 3 is located between two fast pulleys 21, and extension elongation is less than sealing shirt rim 22
Highly.
Guidance set 4 is arranged on the two ends of the support component 1, and each guidance set 4 includes being evenly distributed on support
4 lead columns 41 of the end of component 1, and each end of lead column 41 free rolling ball 42 in lead column 41 is arranged on,
The axle center of the ball 42 arbitrarily in the lead column of one end 4 is generally aligned in the same plane, and lead column 41 is fixed on support group by fixed block
The end of part 1, ball 42 is overlayed on the inwall of pipeline to be welded, and the inwall along pipeline to be welded is rolled.
Embodiment 2：A kind of flexible gas protection device for pipeline welding, as shown in the figure：Including support component 1, close
Sealing assembly 2, inflatable component 3 and guidance set 4.
Support component 1 is closed at both ends or the cylindrical tube do not closed, and oxygen concentration detection is provided with cylinder body outer wall
Device；Inflatable component 3 is located in cylinder, and the valve end of inflatable component 3 is stretched out outside support component 1 through the inwall of cylinder；
Black box 2 includes being weldingly fixed on two fast pulleys 21 at inflatable component two ends and is separately positioned on fast pulley
21 outer rings twice annular seal shirt rim 22 by made by flexible graphite material, sealing shirt rim 22 with diameter greater than pipeline to be welded
Diameter；The valve external part of inflatable component 3 is located between two fast pulleys 21, and extension elongation is less than the height of sealing shirt rim 22
Degree.
Guidance set 4 is arranged on the two ends of the support component 1, and each guidance set 4 includes being evenly distributed on support
4 lead columns 41 of the end of component 1, and each end of lead column 41 free rolling ball 42 in lead column 41 is arranged on,
The axle center of the ball 42 arbitrarily in the lead column of one end 4 is generally aligned in the same plane, and lead column 41 is fixed on support group by fixed block
The end of part 1, ball 42 is overlayed on the inwall of pipeline to be welded, and the inwall along pipeline to be welded is rolled.
As described above, although the present invention has been represented and described with reference to specific preferred embodiment, it must not be explained
It is to the restriction of itself of the invention.Under the premise of the spirit and scope of the present invention defined without departing from claims, can be right
In the form and details various changes can be made for it.
Claims (7)
1. a kind of flexible gas protection device for pipeline welding, it is characterised in that including support component, black box and fill
Pneumatic module, the support component is closed at both ends cylindrical tube, and the inflatable component is located in the cylinder, the inflation group
Stretch out outside the support component through the inwall of the cylinder valve end of part；The black box is described including being fixed on
Two fast pulleys at inflatable component two ends and to be separately positioned on the annular that the fast pulley outer ring is fabricated from a flexible material close
Envelope shirt rim, the diameter with diameter greater than pipeline to be welded of the sealing shirt rim；The valve external part of the inflatable component is located at two
Between individual fast pulley, and extension elongation is less than the height of the sealing shirt rim.
2. the flexible gas protection device for pipeline welding according to claim 1, it is characterised in that the support group
The two ends of part are additionally provided with guidance set, and the guidance set includes being evenly distributed on some guiding of the support component end
Post, and each guiding column end free rolling ball in the lead column is arranged on, the lead column is solid by fixed block
The end of the support component is scheduled on, the ball is overlayed on the inwall of pipeline to be welded, and along the pipeline to be welded
Inwall is rolled.
3. the flexible gas protection device for pipeline welding according to claim 2, it is characterised in that the support group
Part two ends are distributed with respectively 4 lead columns, and the axle center of the ball arbitrarily in the lead column of one end 4 is generally aligned in the same plane.
4. the flexible gas protection device for pipeline welding according to claim 1, it is characterised in that the fast pulley
Twice annular seal shirt rim is respectively arranged with outer ring.
5. the flexible gas protection device for pipeline welding according to claim 1, it is characterised in that the fast pulley
Desing of Interference Joint is welded on the end of the support component.
6. the flexible gas protection device for pipeline welding according to claim 1, it is characterised in that the support group
Oxygen concentration detection means is additionally provided with the cylinder body outer wall of part.
7. the flexible gas protection device for pipeline welding according to claim 1, it is characterised in that the sealed skirt
While being made up of flexible carbon fibre material, flexible graphite material one of which.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685772.8A CN105195935B (en) | 2015-10-20 | 2015-10-20 | Flexible gas protection device for pipeline welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685772.8A CN105195935B (en) | 2015-10-20 | 2015-10-20 | Flexible gas protection device for pipeline welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105195935A CN105195935A (en) | 2015-12-30 |
| CN105195935B true CN105195935B (en) | 2017-04-26 |
Family
ID=54944063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510685772.8A Active CN105195935B (en) | 2015-10-20 | 2015-10-20 | Flexible gas protection device for pipeline welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105195935B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355544B (en) * | 2017-08-11 | 2023-09-29 | 岳阳高澜节能装备制造有限公司 | Be used for stainless steel pipeline welded inflatable seal device |
| CN107498157B (en) * | 2017-08-14 | 2020-03-27 | 陕西专壹知识产权运营有限公司 | Self-moving pipeline welding gas storage device |
| CN108723554B (en) * | 2018-05-22 | 2020-10-27 | 中国石油天然气第一建设有限公司 | High-efficiency low-consumption pipeline welding internal protection device |
| CN108705171B (en) * | 2018-06-26 | 2023-12-19 | 芜湖三花制冷配件有限公司 | Pipe fitting welding protection device and welding method thereof |
| CN112097122A (en) * | 2020-08-17 | 2020-12-18 | 江西省天然气集团有限公司 | Natural gas line isolating device |
| CN112139749A (en) * | 2020-09-23 | 2020-12-29 | 中国航发贵州黎阳航空动力有限公司 | Welding tool and welding method for annular cylinder mounting seat |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201102129Y (en) * | 2007-11-06 | 2008-08-20 | 大庆石油管理局 | Argon-in tube protection energy conservation equipment |
| CN201841368U (en) * | 2010-10-19 | 2011-05-25 | 广东火电工程总公司 | Air inflation protecting device for welding of pipeline |
| CN203459867U (en) * | 2013-08-12 | 2014-03-05 | 辽河石油勘探局 | Internal opening aligning machine with argon filling function |
| CN203696208U (en) * | 2014-03-06 | 2014-07-09 | 中国化学工程第十一建设有限公司 | Argon filling protection mechanism for minor-caliber pipeline welding |
| CN204148733U (en) * | 2014-08-15 | 2015-02-11 | 中国石油天然气第一建设公司 | A kind of local argon-filled protection device for pipeline welding |
| CN204366249U (en) * | 2014-12-09 | 2015-06-03 | 中国海洋石油总公司 | For the pipe plugging of argon protection welding |
| CN204413369U (en) * | 2015-01-27 | 2015-06-24 | 江苏中核华瑞建设有限公司 | A kind of built-in argon-filling device for pipeline and pipeline welding |
| CN204603546U (en) * | 2015-04-30 | 2015-09-02 | 黑龙江省安装工程公司 | Pipeline welding inside filled argon protection device |
| CN205111109U (en) * | 2015-10-20 | 2016-03-30 | 南京奥特电气股份有限公司 | A flexible gas protection device for pipeline welding |
-
2015
- 2015-10-20 CN CN201510685772.8A patent/CN105195935B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105195935A (en) | 2015-12-30 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170926 Address after: 211200 No. 1 Zhongxing West Road, Lishui economic and Technological Development Zone, Jiangsu, Nanjing Patentee after: Nanjing Ott Automation Co., Ltd. Address before: 211100 Jiangning economic and Technological Development Zone, Jiangsu Province, West Pavilion Road, Shimizu Patentee before: Nanjing Auto Electric Co., Ltd. |
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| TR01 | Transfer of patent right |