CN201214170Y - Back face protection device for welding stainless steel tube longitudinal seam - Google Patents
Back face protection device for welding stainless steel tube longitudinal seam Download PDFInfo
- Publication number
- CN201214170Y CN201214170Y CNU2008200777871U CN200820077787U CN201214170Y CN 201214170 Y CN201214170 Y CN 201214170Y CN U2008200777871 U CNU2008200777871 U CN U2008200777871U CN 200820077787 U CN200820077787 U CN 200820077787U CN 201214170 Y CN201214170 Y CN 201214170Y
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- protection
- welding
- supporting rod
- gas
- protection device
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- Arc Welding In General (AREA)
Abstract
The utility model relates to the technical field of the protection device of the welding stainless-steel welding tube, and in particular relates to a longitudinal-seam opposite-side protection device of the welding stainless-steel tube, which improves the welding-seam opposite-side protection effect when producing the welding stainless-steel tube. The protection device comprises a hollow supporting rod with both ends being closed that can pass through the welding steel tube, wherein, the supporting rod is mounted on a supporting-rod seat, and a plurality of protection-gas dispatching valves are arranged inside the supporting rod, and the top part of the supporting rod is provided with a protection-gas discharging hole, and a sealing tape is arranged at the contact part between the supporting rod and the welding steel tube, and each protection-gas dispatching valve is respectively connected with a gas dispatching distance switch, and the supporting rod is communicated with a protection-gas conveying copper tube. The protection device has the advantages that the protection device not only can save the protection gas, but also can satisfy the welding protection effect, and has low production and maintenance cost, thereby being convenient for the long-term application on the spot.
Description
Technical field
The utility model relates to the technical field of the protective device of soldering stainless steel welded tube, is specifically related to a kind of welded stainless steel pipe longitudinal joint reverse side protective device.
Background technology
When welding large-caliber stainless steel pipe longitudinal seam automatically, generally all require butt welded seam to carry out the reverse side gas shield.Because stainless steel tube specification many (tens of kinds of specifications are arranged) is produced in welding, the long (〉 6m of longitudinal seam), make the protection of weld seam reverse side become the difficult point of producing the stainless steel welded still pipe.
At present, two kinds of protections of general employing when stainless steel welded pipe is produced in welding, it is a kind of that the effect of doing like this is the waste protective gas in order to fill the protective gas Global Macros in steel pipe to be welded, and the protection effect is also undesirable; Another kind is to drag the boxlike protection, and its advantage is to save protective gas, and shortcoming is to drag box easily by electrical arc erosion, makes welding normally not carry out, and drags the boxlike protection to need to have strengthened entreprise cost with machinery and electric device.
Summary of the invention
The utility model provides a kind of welded stainless steel pipe longitudinal joint reverse side protective device in order to improve the weld seam reverse side protection effect of producing welded stainless steel pipe.
The utility model adopts following technical scheme to realize:
A kind of welded stainless steel pipe longitudinal joint reverse side protective device; it is characterized in that comprising the support bar of the closed at both ends that can be through at the hollow within the welded still pipe; support bar is installed on the supporting rod seat; some protection gas dispensing valves are set in the support bar; support bar top has protection gas discharge orifice; the contact site of support bar and welded still pipe is provided with band, and each protection gas dispensing valve correspondence is connected with the distribution travel switch, and support bar carries copper pipe to be communicated with protection gas.
The utlity model has following beneficial effect: both saved protective gas, satisfied the welding protection effect again, and making and maintenance cost are not high, be convenient to on-the-spot long-term the use.1, compare with the steel pipe integral gas-filled protective, can save protective gas in a large number, because steel pipe specification difference, solar term are more than 80%.2, compare with dragging the boxlike protection, do not have electric driver, design and produce cost and reduce, and can avoid the electronic boxlike that drags to be stopped production, make that production is more smooth by electrical arc erosion.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure: the 1-welded still pipe, the 2-welding gun, the 3-welding tractor, 4-distribution travel switch, the 5-supporting rod seat, 6-protection gas dispensing valve, 7-protection gas discharge orifice, the 8-band, 9-protection gas is carried copper pipe, 10-support bar
The specific embodiment
Welded stainless steel pipe longitudinal joint reverse side protective device; it is characterized in that comprising the support bar 10 of the closed at both ends that can be through at the hollow within the welded still pipe 1; support bar 10 is installed on the supporting rod seat 5; some protection gas dispensing valves 6 are set in the support bar 10; support bar 10 tops have protection gas discharge orifice 7; support bar 10 is provided with band 8 with the contact site of welded still pipe 1, and each protection gas dispensing valve 6 correspondence is connected with distribution travel switch 4, and support bar 10 carries copper pipe 9 to be communicated with protector.
Claims (1)
1, a kind of welded stainless steel pipe longitudinal joint reverse side protective device; it is characterized in that comprising the support bar (10) of the closed at both ends that can be through at the hollow within the welded still pipe (1); support bar (10) is installed on the supporting rod seat (5); some protection gas dispensing valves (6) are set in the support bar (10); support bar (10) top has protection gas discharge orifice (7); support bar (10) is provided with band (8) with the contact site of welded still pipe (1); each protection gas dispensing valve (6) correspondence is connected with distribution travel switch (4), and support bar (10) carries copper pipe (9) to be communicated with protection gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200777871U CN201214170Y (en) | 2008-07-02 | 2008-07-02 | Back face protection device for welding stainless steel tube longitudinal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200777871U CN201214170Y (en) | 2008-07-02 | 2008-07-02 | Back face protection device for welding stainless steel tube longitudinal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201214170Y true CN201214170Y (en) | 2009-04-01 |
Family
ID=40519381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200777871U Expired - Fee Related CN201214170Y (en) | 2008-07-02 | 2008-07-02 | Back face protection device for welding stainless steel tube longitudinal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201214170Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632318A (en) * | 2012-03-20 | 2012-08-15 | 江苏武进不锈股份有限公司 | Gas protection device for inner wall of stainless steel welded pipe |
| CN103831514A (en) * | 2014-03-31 | 2014-06-04 | 成都振中电气有限公司 | Argon arc welding core rod |
| CN104368921A (en) * | 2014-11-19 | 2015-02-25 | 长沙成进汽车配件有限公司 | In-pipe welding seam gas protection device used for stainless steel pipe machine |
| CN105252121A (en) * | 2015-11-19 | 2016-01-20 | 安徽大盘特种装备车辆有限公司 | Welding structure for inner container longitudinal seam of stainless steel gas cylinder and welding method |
| CN108994489A (en) * | 2018-08-22 | 2018-12-14 | 天津市管道工程集团有限公司 | A kind of weld root protective device that solder yield can be improved |
| CN109382598A (en) * | 2018-10-26 | 2019-02-26 | 中船西江造船有限公司 | A kind of titanium steel soldering test gas shield tooling |
-
2008
- 2008-07-02 CN CNU2008200777871U patent/CN201214170Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632318A (en) * | 2012-03-20 | 2012-08-15 | 江苏武进不锈股份有限公司 | Gas protection device for inner wall of stainless steel welded pipe |
| CN103831514A (en) * | 2014-03-31 | 2014-06-04 | 成都振中电气有限公司 | Argon arc welding core rod |
| CN103831514B (en) * | 2014-03-31 | 2015-12-30 | 成都振中电气有限公司 | Argon arc welding plug |
| CN104368921A (en) * | 2014-11-19 | 2015-02-25 | 长沙成进汽车配件有限公司 | In-pipe welding seam gas protection device used for stainless steel pipe machine |
| CN105252121A (en) * | 2015-11-19 | 2016-01-20 | 安徽大盘特种装备车辆有限公司 | Welding structure for inner container longitudinal seam of stainless steel gas cylinder and welding method |
| CN108994489A (en) * | 2018-08-22 | 2018-12-14 | 天津市管道工程集团有限公司 | A kind of weld root protective device that solder yield can be improved |
| CN108994489B (en) * | 2018-08-22 | 2023-05-12 | 天津市管道工程集团有限公司 | Welding seam reverse side protection device capable of improving welding qualification rate |
| CN109382598A (en) * | 2018-10-26 | 2019-02-26 | 中船西江造船有限公司 | A kind of titanium steel soldering test gas shield tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20120702 |