CN206732401U - A kind of tubing welding protection device - Google Patents
A kind of tubing welding protection device Download PDFInfo
- Publication number
- CN206732401U CN206732401U CN201720223547.7U CN201720223547U CN206732401U CN 206732401 U CN206732401 U CN 206732401U CN 201720223547 U CN201720223547 U CN 201720223547U CN 206732401 U CN206732401 U CN 206732401U
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- China
- Prior art keywords
- lining board
- copper lining
- connecting rod
- montant
- protection device
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a kind of tubing welding protection device; the device includes copper lining board and support bar component; the support bar component includes connecting rod, cross bar and montant; the connecting rod is vertical at the bottom of the copper lining board; the montant be arranged in parallel with connecting rod; montant is connected with connecting rod by cross bar, and the support bar component internal is provided with intake tunnel, exhalant canal and inlet channel；The position contacted on the copper lining board with pipe material inner wall is the arc being engaged with pipe material inner wall, chilled(cooling) water return (CWR) is provided with inside copper lining board, the chilled(cooling) water return (CWR) is connected with the intake tunnel and exhalant canal, copper lining board is provided with groove, multiple passages are provided with the groove, passage is connected with the inlet channel.The structure of tubing welding protection device of the present utility model is simple, easy to operate, the welding back side can effectively be protected in tubing welding process.
Description
Technical field
It the utility model is related to a kind of device of welding process protection, and in particular to a kind of tubing welding protection device.
Background technology
In welding engineering, tubing welding protection is always insoluble problem.Delineate isolated area method but can only
For local welding and fixed welding.In welding, the back side typically using the cooling of band groove copper lining board plus atmosphere protection, leads to sheet material
Cross atmosphere protection to avoid aoxidizing, welding pool is reacted in a stable environment, ensure the pure of seam organization
Net and performance；Weld seam is accelerated cooling by the copper lining board type of cooling, on the one hand make tissue quick solidification, protected in spite of atmosphere
Shield, weld seam by ambient temperature, humidity, etc. microenvironment can also react, tissue coagulation accelerate weld seam can be avoided to expose
Aoxidized in air ambient, on the other hand can improve the tissue intensity of weld seam.And tubing welding when, welding gun carries atmosphere
Protection, welding front to be protected, the welding back side is difficult to adopt conventional equipment and protected due to being present in inside tubing,
Or protection is not in place.Meanwhile, it is necessary to which relative to welding gun and back-protective phase ceaselessly occurs for tubing in tube forming welding process
To movement, when particularly being welded to high kind tubing, the protection for welding the back side is more important, it is necessary to which gas can be realized by designing one kind
The device of body protection plus cooling realizes comprehensive protection to weld seam, improves the welding quality of product.
The content of the invention
According to the above-mentioned problems of the prior art, the utility model provides a kind of tubing welding protection device, the device
It is simple in construction, it is easy to operate, the welding back side can effectively be protected in tubing welding process.
Above-mentioned purpose is realized by following proposal：
A kind of tubing welding protection device, it is characterised in that the device includes copper lining board and support bar component, the support
Bar assembly includes connecting rod, cross bar and montant, and the connecting rod is vertical at the bottom of the copper lining board, and the montant is with being connected
Bar is be arranged in parallel, and montant is connected with connecting rod by cross bar, and the support bar component internal is provided with intake tunnel, exhalant canal
And inlet channel；The position contacted on the copper lining board with pipe material inner wall is the arc that is engaged with pipe material inner wall, in copper lining board
Portion is provided with chilled(cooling) water return (CWR), and the chilled(cooling) water return (CWR) is connected with the intake tunnel and exhalant canal, and copper lining board is provided with groove, should
Multiple passages are provided with groove, passage is connected with the inlet channel.
According to above-mentioned tubing welding protection device, it is characterised in that described device also includes spring lever, the spring lever
One end and the connection bar assembly connection, the other end is provided with roller.
According to above-mentioned tubing welding protection device, it is characterised in that be provided with and add in the junction of the cross bar and montant
Strengthening tendons.
The beneficial effects of the utility model：
The structure of tubing welding protection device of the present utility model is simple, easy to operate, can in tubing welding process,
The welding back side is effectively protected.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 side view.
Fig. 3 is Fig. 1 top view.
Embodiment
As shown in Figure 1, 2, 3, a kind of tubing welding protection device provided by the utility model includes copper lining board 1 and support bar
Component.Support bar component includes connecting rod 2, cross bar 3 and the montant 4 being fixedly connected, wherein, connecting rod 2 is arranged at copper lining board 1
Bottom, and it is vertical with copper lining board 1.Montant 4 and connecting rod 2 are parallel to each other, and montant 4 is connected with connecting rod 2 by cross bar 3.Support
Intake tunnel, exhalant canal and inlet channel are provided with inside bar assembly.The length of cross bar and montant is set according to welding pipe length
It is fixed.The stability of device can be ensured by being fixedly connected.Reinforcement can be set in the junction of cross bar and montant, ensures cross bar in a fixed length
Bending phenomenon occurs when spending.The position contacted on copper lining board 1 with pipe material inner wall is the arc being engaged with pipe material inner wall, is easy to
Coordinate close, raising protecting effect with pipe material inner wall, and be avoided that scuffing tube wall.The inside of copper lining board 1 is provided with chilled(cooling) water return (CWR) 5,
Chilled(cooling) water return (CWR) 5 is connected with the intake tunnel and exhalant canal of support bar component.Chilled(cooling) water return (CWR) can make copper by cooling water
Liner plate cooling down, so that the tube wall cooling down contacted with liner plate, welding position quickly cool down, weld bond is avoided to be connect with air
Touch, adverse reaction occurs.As shown in Fig. 2 processing fluted 6 on copper lining board 1, multiple passages 7, passage 7 are provided with groove 6
It is connected with the inlet channel of support bar component.The logical protection gas of passage, uniform high-efficiency can be provided to longer back of weld scope
Protection, uniformly protection combines gas with cooling, preferably improves weld seam welding quality.Copper lining board length can be adjusted according to protecting effect
Whole, width general warranty groove can cover weld seam, and chilled(cooling) water return (CWR) and passage are easily laid out.
When cross bar is long, it may occur that the phenomenon of flexural deformation, be bonded effect of the copper lining board with tube wall is influenceed, now can be
Spring lever 8 is installed, one end of spring lever 8 is provided with roller 9, spring-compressed, rolling with being connected bar assembly connection, the other end under copper lining board
Wheel is contacted with pipe material inner wall, and copper lining board is played a supportive role.
Tubing welding protection device of the present utility model when in use, by support bar component and roller, by copper lining board by
Weld is extended inside pipe, and groove is directed at weld seam, cooling water and protective gas are led into support bar component, welding operation is
It can start.
Claims (3)
1. a kind of tubing welding protection device, it is characterised in that the device includes copper lining board and support bar component, the support bar
Component includes connecting rod, cross bar and montant, and the connecting rod is vertical at the bottom of the copper lining board, the montant and connecting rod
Be arranged in parallel, montant is connected with connecting rod by cross bar, and the support bar component internal be provided with intake tunnel, exhalant canal and
Inlet channel；The position contacted on the copper lining board with pipe material inner wall is the arc that is engaged with pipe material inner wall, inside copper lining board
Provided with chilled(cooling) water return (CWR), the chilled(cooling) water return (CWR) is connected with the intake tunnel and exhalant canal, and copper lining board is provided with groove, and this is recessed
Multiple passages are provided with groove, passage is connected with the inlet channel.
2. tubing welding protection device according to claim 1, it is characterised in that described device also includes spring lever, institute
The one end and the connection bar assembly connection, the other end for stating spring lever are provided with roller.
3. tubing welding protection device according to claim 1, it is characterised in that in the junction of the cross bar and montant
Provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223547.7U CN206732401U (en) | 2017-03-09 | 2017-03-09 | A kind of tubing welding protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720223547.7U CN206732401U (en) | 2017-03-09 | 2017-03-09 | A kind of tubing welding protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206732401U true CN206732401U (en) | 2017-12-12 |
Family
ID=60557258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720223547.7U Active CN206732401U (en) | 2017-03-09 | 2017-03-09 | A kind of tubing welding protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206732401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773402A (en) * | 2019-03-27 | 2019-05-21 | 东北石油大学 | The ring liner device of small-bore pipeline welding |
-
2017
- 2017-03-09 CN CN201720223547.7U patent/CN206732401U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773402A (en) * | 2019-03-27 | 2019-05-21 | 东北石油大学 | The ring liner device of small-bore pipeline welding |
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