CN203696280U - Big aperture pipe welding argon filling protection mechanism - Google Patents
Big aperture pipe welding argon filling protection mechanism Download PDFInfo
- Publication number
- CN203696280U CN203696280U CN201420098962.0U CN201420098962U CN203696280U CN 203696280 U CN203696280 U CN 203696280U CN 201420098962 U CN201420098962 U CN 201420098962U CN 203696280 U CN203696280 U CN 203696280U
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- China
- Prior art keywords
- argon
- air inlet
- cover body
- inlet pipe
- protective cover
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- Expired - Fee Related
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Abstract
The utility model discloses a big aperture pipe welding argon filling protection mechanism, which comprises a barrel-shaped protective cover body, wherein the top portion of the barrel-shaped protective cover body is of an arc shape, an air inlet pipe is arranged on the bottom portion of the protective cover body, an air inlet and an argon filling soft pipe are arranged on the outer end of the air inlet pipe, argon diffusion holes are arranged on the pipe wall of the air inlet pipe, the pipe wall of the air inlet pipe is arranged in the protective cover body, and an air inlet switch is arranged on the pipe wall of the air inlet pipe, and the pipe wall of the air inlet pipe is arranged outside the protective cover. The big aperture pipe welding argon filling protection mechanism is simple in structure, simple and convenient to operate, uses the protective cover body as an argon filling inner cavity, is small in the argon filling inner cavity, can reduce construction cost, is excellent in protection effect of argon, can effectively guarantee welding quality, and is safe and reliable. Two layers of argon distribution baffle plates are arranged below the air inlet pipe in the protective cover body, gas screen holes are arranged on the argon distribution baffle plates, and the argon distribution baffle plates are 20-40 mesh copper wire gauzes, can guarantee stability of argon in the protective cover body, and guarantees welding quality. The argon diffusion holes are arranged on the side surface and the bottom surface of the air inlet pipe, can reduce impulsive force of the argon, enables the argon to be uniformly distributed, and enables the argon to steadily enter the inner portion of the protective cover body.
Description
Technical field
The utility model belongs to welding protection device technique field, and particularly a kind of large diameter pipeline welds argon-filled protection mechanism.
Background technology
At present, in chemical plant installations, stainless steel pipes welding capacity is increasing, and these pipelines adopt the weldering of argon Electricity Federation or full argon welding to connect more.In welding engineering, because the caliber of large diameter pipeline is excessive, if adopt full argon welding manner (being that inner cavity of pipe is full of argon gas), there is the unstable and excessive problem of argon gas consumption of argon shield quality, make welding protection high cost.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, easy and simple to handle and safe and reliable large diameter pipeline and welds argon-filled protection mechanism.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of large diameter pipeline welds argon-filled protection mechanism, comprise that top is the tubbiness protection cover body of circular arc, protection cover body bottom is provided with air inlet pipe, and air inlet pipe outer end is provided with air inlet and argon filling flexible pipe; The tube wall that air inlet pipe is positioned at protection cover body is provided with argon gas diffusion hole, and air inlet pipe is positioned at the external tube wall of protective cover and is provided with air inlet switch.
Described protection cover body inside is provided with the uniform dividing plate of argon gas, and the uniform dividing plate of argon gas is provided with gas mesh; The uniform dividing plate of argon gas is positioned at air inlet pipe top.
The uniform dividing plate of described argon gas is two layers, and is 20～40 object copper mesh.
Described argon gas diffusion hole is positioned at side and the bottom surface of air inlet pipe.
The diameter of described argon gas diffusion hole is 1.0mm～1.5mm, and air inlet pipe diameter is 8mm～15mm.
The length of described protection cover body bottom surface is that 80～120mm, width are 20mm.
End, described air inlet pipe outer end is provided with handle.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model comprises that top is the tubbiness protection cover body of circular arc, and protection cover body bottom is provided with air inlet pipe, and air inlet pipe outer end is provided with air inlet and argon filling flexible pipe; The tube wall that air inlet pipe is positioned at protection cover body is provided with argon gas diffusion hole; air inlet pipe is positioned at the external tube wall of protective cover and is provided with air inlet switch; it is simple in structure; easy and simple to handle, protection cover body is as argon filling inner chamber, and argon filling inner chamber is little; can reduce construction cost; argon-filled protection is effective, can effectively guarantee welding quality, and safe and reliable.
2, be provided with two layers of uniform dividing plate of argon gas being positioned at above air inlet pipe in protection cover body inside, the uniform dividing plate of argon gas is provided with gas mesh, and the uniform dividing plate of argon gas is 20～40 object copper mesh, can guarantee to protect the stability of argon gas in cover body, guarantees welding quality.
3, argon gas diffusion hole is positioned at side and the bottom surface of air inlet pipe, can reduce argon gas impulse force, and argon gas is evenly distributed, and steadily enters protection cover body inside.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is use view of the present utility model.
The specific embodiment
Large diameter pipeline welding argon-filled protection mechanism as shown in Figure 1, Figure 2 and Figure 3, it comprises that top is the tubbiness protection cover body 1 of circular arc, the length of protection cover body 1 bottom surface is that 80～120mm, width are 20mm.Be provided with air inlet pipe 2 in protection cover body 1 bottom; air inlet pipe 2 left ends are positioned at protection cover body 1, right-hand member is positioned at outside protection cover body 1; the left end tube wall that air inlet pipe 2 is positioned at protection cover body 1 is provided with argon gas diffusion hole 7; argon gas diffusion hole 7 is positioned at side and the bottom surface of air inlet pipe 2; can reduce argon gas impulse force; argon gas is evenly distributed, steadily enters protection cover body 1 inside.Air inlet pipe 2 right-hand members are provided with air inlet 4 and the argon filling flexible pipe 5 being connected with air inlet 4; The right-hand member that air inlet pipe 2 is positioned at outside protection cover body 1 is also provided with air inlet switch 3, and air inlet pipe 2 ends are provided with operating handle 6, are convenient to hand-held.Be provided with two layers of uniform dividing plate 8 of argon gas being positioned at above air inlet pipe 2 in protection cover body 1 inside, the uniform dividing plate 8 of argon gas is provided with gas mesh 9, and the uniform dividing plate 8 of argon gas is 20～40 object copper mesh, can guarantee to protect the stability of cover body 1 interior argon gas.
In the present embodiment, the diameter of argon gas diffusion hole 7 is 1.0mm～1.5mm, and the diameter of air inlet pipe 2 is 8mm～15mm, and the diameter of air inlet pipe 2 can be preferably 10mm.
Large diameter pipeline welding argon-filled protection mechanism is as shown in Figure 4 used view, and the top arc diameter of protection cover body 1 and preceding pipeline 10 or rear pipeline 11 equal diameters, to guarantee protecting cover body 1 to contact tightly with preceding pipeline 10 and rear pipeline 11.The utility model use procedure is: first, by coaxially staggered relatively to preceding pipeline 10 and rear pipeline 11, and between preceding pipeline 10 and rear pipeline 11, reserve soldered 12; Secondly, hand-held handle 6 puts it in pipeline, guarantees that protection cover body 1 is corresponding with soldered 12, and makes to protect the arch section of cover body 1 and inner-walls of duct to keep 1～2mm gap; Then,, to the interior applying argon gas of protection cover body 1, then weld.
Arch section and the inner-walls of duct of protection cover body 1 keep 1～2mm gap, can avoid on the one hand argon gas to run off too much, can guarantee again on the other hand to protect the interior formation pressure-fired of cover body 1, to prevent that extraneous air from sneaking into.
Claims (7)
1. a large diameter pipeline welding argon-filled protection mechanism, is characterized in that, comprises that top is the tubbiness protection cover body of circular arc, and protection cover body bottom is provided with air inlet pipe, and air inlet pipe outer end is provided with air inlet and argon filling flexible pipe; The tube wall that air inlet pipe is positioned at protection cover body is provided with argon gas diffusion hole, and air inlet pipe is positioned at the external tube wall of protective cover and is provided with air inlet switch.
2. large diameter pipeline as claimed in claim 1 welds argon-filled protection mechanism, it is characterized in that: described protection cover body inside is provided with the uniform dividing plate of argon gas, and the uniform dividing plate of argon gas is provided with gas mesh; The uniform dividing plate of argon gas is positioned at air inlet pipe top.
3. large diameter pipeline as claimed in claim 2 welds argon-filled protection mechanism, it is characterized in that: the uniform dividing plate of described argon gas is two layers, and is 20～40 object copper mesh.
4. the welding of the large diameter pipeline as described in claim 1,2 or 3 argon-filled protection mechanism, is characterized in that: described argon gas diffusion hole is positioned at side and the bottom surface of air inlet pipe.
5. large diameter pipeline as claimed in claim 4 welds argon-filled protection mechanism, it is characterized in that: the diameter of described argon gas diffusion hole is 1.0mm～1.5mm, and air inlet pipe diameter is 8mm～15mm.
6. large diameter pipeline as claimed in claim 5 welds argon-filled protection mechanism, it is characterized in that: the length of described protection cover body bottom surface is that 80～120mm, width are 20mm.
7. large diameter pipeline as claimed in claim 6 welds argon-filled protection mechanism, it is characterized in that: end, described air inlet pipe outer end is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098962.0U CN203696280U (en) | 2014-03-06 | 2014-03-06 | Big aperture pipe welding argon filling protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098962.0U CN203696280U (en) | 2014-03-06 | 2014-03-06 | Big aperture pipe welding argon filling protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203696280U true CN203696280U (en) | 2014-07-09 |
Family
ID=51046779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098962.0U Expired - Fee Related CN203696280U (en) | 2014-03-06 | 2014-03-06 | Big aperture pipe welding argon filling protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203696280U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449790A (en) * | 2019-08-22 | 2019-11-15 | 中船黄埔文冲船舶有限公司 | A kind of inner wall of the pipe welding protective device |
| CN111889853A (en) * | 2020-07-30 | 2020-11-06 | 哈尔滨锅炉厂有限责任公司 | Gas protection device for deep-melting TIG welding and use method thereof |
-
2014
- 2014-03-06 CN CN201420098962.0U patent/CN203696280U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449790A (en) * | 2019-08-22 | 2019-11-15 | 中船黄埔文冲船舶有限公司 | A kind of inner wall of the pipe welding protective device |
| CN110449790B (en) * | 2019-08-22 | 2021-12-28 | 中船黄埔文冲船舶有限公司 | Pipeline inner wall welding protection device |
| CN111889853A (en) * | 2020-07-30 | 2020-11-06 | 哈尔滨锅炉厂有限责任公司 | Gas protection device for deep-melting TIG welding and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20210306 |