CN205111109U - A flexible gas protection device for pipeline welding - Google Patents
A flexible gas protection device for pipeline welding Download PDFInfo
- Publication number
- CN205111109U CN205111109U CN201520818000.2U CN201520818000U CN205111109U CN 205111109 U CN205111109 U CN 205111109U CN 201520818000 U CN201520818000 U CN 201520818000U CN 205111109 U CN205111109 U CN 205111109U
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- Prior art keywords
- supporting component
- component
- protective device
- flexible
- flexible gas
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Abstract
The utility model discloses a flexible gas protection device for pipeline welding, including supporting component, seal assembly and aeration component, the supporting component seals for both ends or the cylindrical barrel of confined not, aeration component is located in the barrel, aeration component's air cock tip passes the inner wall of barrel stretches out outside the supporting component, seal assembly is including fixing two tight pulleys at aeration component both ends and setting up respectively are in the round ring packing shirt rim that the tight pulley outer lane was made by flexible material. The utility model discloses a flexible gas protection device simple structure, convenient assembling saves time, by the sealed chamber that two seal assembly enclose, reducible argon gas aeration quantity, shortens towards the argon time, saves the argon gas, simultaneously the utility model discloses a seal assembly includes to have certain flexibility in the round ring packing shirt rim of being made by flexible material when using, and the protection effect is better.
Description
Technical field
The present invention relates to a kind of gas shield device, specifically a kind of flexible gas protective device for steel pipeline welding.
Background technology
In pipe prefabrication production process, pipeline welding is a kind of requisite means of production.Traditional back side argon-filled protection; from one end of pipe to weld argon filling, this technique protected effect is good, but complex operation, difficulty; inflationtime and aeration quantity cannot be grasped, directly cause argon gas waste, add construction cost, also affect efficiency and pipeline welding quality.
A kind of water soluble paper protection in addition, although protected effect is better, uses flexibly, cannot reuse, once can only use and can not take out, and installation bothers, time-consuming, efficiency is lower in addition.
Summary of the invention
Goal of the invention: the object of the invention is for the deficiencies in the prior art, provide a kind of assemble simple, save argon gas and the good flexible gas protective device of protected effect.
Technical scheme: the flexible gas protective device for pipeline welding of the present invention, comprise supporting component, black box and inflatable component, the cylindrical tube that described supporting component is closed at both ends or does not close, described inflatable component is positioned at described cylindrical shell, the valve end of described inflatable component, through the inwall of described cylindrical shell, is stretched out outside described supporting component; Described black box comprises two fast pulleys being fixed on described inflatable component two ends and is separately positioned on the annular seal shirt rim of being made up of flexible material described fast pulley outer ring, and the diameter of described sealing shirt rim is greater than the diameter of pipeline to be welded; The valve external part of described inflatable component is between two fast pulleys, and extension elongation is less than the height of described sealing shirt rim.
Specific works process of the present invention is; during pipeline welding; this flexible gas protective device is loaded at two pipe fittings counterpart place; the black box at supporting component two ends forms one section of annular seal space between two pipes; in this section of annular seal space, be filled with argon gas by the valve of inflatable component, argon gas is dispersed in annular seal space, starts welding operation; weld this flexible gas protective device of rear taking-up, recycling.
The present invention further preferably technical scheme is, the two ends of described supporting component are also provided with guidance set, described guidance set comprises the some leads being evenly distributed on described supporting component end, with be arranged on each lead end free rolling ball on described lead, described lead is fixed on the end of described supporting component by fixed block, described ball overlays on the inwall of pipeline to be welded, and rolls along the inwall of described pipeline to be welded.After welding completes, the ball promoting guidance set rolls along steel pipe inner wall, by taking out flexible gas protective device in steel pipe.
Preferably, described supporting component two ends are distributed with 4 leads respectively, and the axle center of ball arbitrarily on the lead of 4, one end is positioned at same plane.
Preferably, described fast pulley outer ring is respectively arranged with twice annular seal shirt rim.
Preferably, described fast pulley Desing of Interference Joint or be welded on the end of described supporting component.
Preferably, the cylinder body outer wall of described supporting component is also provided with oxygen concentration checkout gear.
Preferably, described sealing shirt rim by flexible carbon fibre material, flexible graphite material wherein one make.
Beneficial effect: (1) flexible gas protective device of the present invention structure is simple, and easy to assembly, save time, the annular seal space surrounded by two black boies, can reduce argon gas aeration quantity, shortens and rushes the argon time, saves argon gas; Black box of the present invention comprises the annular seal shirt rim of being made up of flexible material simultaneously, and have certain flexibility in use, protected effect is better;
(2) the present invention is provided with guidance set at the two ends of supporting component, after steel-pipe welding completes, conveniently can take out flexible gas protective device, be convenient to recycling, improve the service life of device;
(3) the present invention is also provided with oxygen concentration checkout gear in the annular seal space that two black boies surround, and can get information about oxygen concentration in annular seal space, reduces argon gas aeration quantity further, increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of flexible gas protective device of the present invention;
Fig. 2 is the sectional view of flexible gas protective device of the present invention;
Fig. 3 is the side view of flexible gas protective device of the present invention.
Detailed description of the invention
Below by accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1: a kind of flexible gas protective device for pipeline welding, as shown in the figure: comprise supporting component 1, black box 2, inflatable component 3 and guidance set 4.
The cylindrical tube that supporting component 1 is closed at both ends or does not close, cylinder body outer wall is provided with oxygen concentration checkout gear; Inflatable component 3 is positioned at cylindrical shell, and the valve end of inflatable component 3, through the inwall of cylindrical shell, is stretched out outside supporting component 1;
Black box 2 comprises Desing of Interference Joint at two fast pulleys 21 at inflatable component two ends and be separately positioned on the twice annular seal shirt rim 22 of being made up of flexible carbon fibre material fast pulley 21 outer ring, and the diameter of sealing shirt rim 22 is greater than the diameter of pipeline to be welded; The valve external part of inflatable component 3 is between two fast pulleys 21, and extension elongation is less than the height of sealing shirt rim 22.
Guidance set 4 is arranged on the two ends of described supporting component 1, each guidance set 4 includes 4 leads 41 being evenly distributed on supporting component 1 end, with be arranged on each lead 41 end free rolling ball 42 on lead 41, the axle center of the ball 42 on the lead of 4, any one end is positioned at same plane, lead 41 is fixed on the end of supporting component 1 by fixed block, ball 42 overlays on the inwall of pipeline to be welded, and rolls along the inwall of pipeline to be welded.
Embodiment 2: a kind of flexible gas protective device for pipeline welding, as shown in the figure: comprise supporting component 1, black box 2, inflatable component 3 and guidance set 4.
The cylindrical tube that supporting component 1 is closed at both ends or does not close, cylinder body outer wall is provided with oxygen concentration checkout gear; Inflatable component 3 is positioned at cylindrical shell, and the valve end of inflatable component 3, through the inwall of cylindrical shell, is stretched out outside supporting component 1;
Black box 2 comprises two fast pulleys 21 being weldingly fixed on inflatable component two ends and is separately positioned on the twice annular seal shirt rim 22 of being made up of flexible graphite material fast pulley 21 outer ring, and the diameter of sealing shirt rim 22 is greater than the diameter of pipeline to be welded; The valve external part of inflatable component 3 is between two fast pulleys 21, and extension elongation is less than the height of sealing shirt rim 22.
Guidance set 4 is arranged on the two ends of described supporting component 1, each guidance set 4 includes 4 leads 41 being evenly distributed on supporting component 1 end, with be arranged on each lead 41 end free rolling ball 42 on lead 41, the axle center of the ball 42 on the lead of 4, any one end is positioned at same plane, lead 41 is fixed on the end of supporting component 1 by fixed block, ball 42 overlays on the inwall of pipeline to be welded, and rolls along the inwall of pipeline to be welded.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.
Claims (7)
1. the flexible gas protective device for pipeline welding, it is characterized in that, comprise supporting component, black box and inflatable component, the cylindrical tube that described supporting component is closed at both ends or does not close, described inflatable component is positioned at described cylindrical shell, the valve end of described inflatable component, through the inwall of described cylindrical shell, is stretched out outside described supporting component; Described black box comprises two fast pulleys being fixed on described inflatable component two ends and is separately positioned on the annular seal shirt rim of being made up of flexible material described fast pulley outer ring, and the diameter of described sealing shirt rim is greater than the diameter of pipeline to be welded; The valve external part of described inflatable component is between two fast pulleys, and extension elongation is less than the height of described sealing shirt rim.
2. the flexible gas protective device for pipeline welding according to claim 1; it is characterized in that; the two ends of described supporting component are also provided with guidance set; described guidance set comprises the some leads being evenly distributed on described supporting component end; with be arranged on each lead end free rolling ball on described lead; described lead is fixed on the end of described supporting component by fixed block; described ball overlays on the inwall of pipeline to be welded, and rolls along the inwall of described pipeline to be welded.
3. the flexible gas protective device for pipeline welding according to claim 2, is characterized in that, described supporting component two ends are distributed with 4 leads respectively, and the axle center of ball arbitrarily on the lead of 4, one end is positioned at same plane.
4. the flexible gas protective device for pipeline welding according to claim 1, is characterized in that, described fast pulley outer ring is respectively arranged with twice annular seal shirt rim.
5. the flexible gas protective device for pipeline welding according to claim 1, is characterized in that, described fast pulley Desing of Interference Joint or be welded on the end of described supporting component.
6. the flexible gas protective device for pipeline welding according to claim 1, is characterized in that, the cylinder body outer wall of described supporting component is also provided with oxygen concentration checkout gear.
7. the flexible gas protective device for pipeline welding according to claim 1, is characterized in that, described sealing shirt rim by flexible carbon fibre material, flexible graphite material wherein one make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520818000.2U CN205111109U (en) | 2015-10-20 | 2015-10-20 | A flexible gas protection device for pipeline welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520818000.2U CN205111109U (en) | 2015-10-20 | 2015-10-20 | A flexible gas protection device for pipeline welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205111109U true CN205111109U (en) | 2016-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520818000.2U Withdrawn - After Issue CN205111109U (en) | 2015-10-20 | 2015-10-20 | A flexible gas protection device for pipeline welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205111109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195935A (en) * | 2015-10-20 | 2015-12-30 | 南京奥特电气股份有限公司 | Flexible gas protection device for pipeline welding |
-
2015
- 2015-10-20 CN CN201520818000.2U patent/CN205111109U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195935A (en) * | 2015-10-20 | 2015-12-30 | 南京奥特电气股份有限公司 | Flexible gas protection device for pipeline welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20170426 |