CN204397133U - Broad gap vertical docking one side CO2 welds special purpose copper liner - Google Patents
Broad gap vertical docking one side CO2 welds special purpose copper liner Download PDFInfo
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- CN204397133U CN204397133U CN201420814604.5U CN201420814604U CN204397133U CN 204397133 U CN204397133 U CN 204397133U CN 201420814604 U CN201420814604 U CN 201420814604U CN 204397133 U CN204397133 U CN 204397133U
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- shaped body
- bar
- special purpose
- blind hole
- broad gap
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Abstract
The utility model discloses a kind of broad gap vertical docking one side CO2 and weld special purpose copper liner, comprise bar-shaped body, described bar-shaped body at least comprises a binding face, groove is offered on described binding face, along bar-shaped body length direction, passage is offered along its length in described bar-shaped body inside, the side wall surface of described bar-shaped body offers blind hole, and the end of described blind hole is connected with described passage.The utility model can effectively improve welded seam area toughness and prevent the decline of heat affected area toughness, stop generate field trash.
Description
Technical field
The utility model relates to welding technology field, particularly relates to a kind of broad gap vertical docking one side CO
2welding special purpose copper liner.
Background technology
Broad gap vertical docking one side CO
2vertical position of welding welding when weldering (calling broad gap weldering in the following text) main purpose is joint ultra-wide gap 8 ~ 23 ㎜ large for hull.Current hull closes up greatly welding many employings ceramic substrate CO
2weldering and electro-gas (enclosed) welding, for the former its clearance requirement at 5 ~ 8 ㎜, the groove gap scene of ultra-wide adopts " putting on flesh " (i.e. groove built-up welding) technique, and heap postwelding finishing groove is to standard clearance (10 below ㎜), and its production efficiency is had a greatly reduced quality.For the weld seam in ultra-wide gap, if directly carry out welding, affecting backing run and can produce serious segregation and field trash due to ceramic substrate, even produces the crackle of macroscopic view.When gap is 12 ㎜, sealing run surface forming is very poor, and too much skull causes foundary weight water, and cause generation incompletely filling, in addition, overheated weld seam has melted darker ceramic substrate, and the shaping difference of sealing run is dark-coloured in ash.And 8 ㎜ are not more than for the latter's electro-gas (enclosed) welding clearance requirement, when gap reaches 12 ㎜, can produce hot straining embrittlement and heat affected area impact flexibility does not reach requirement due to the large weld heat-affected zone of weld heat input, therefore a lot of shipyard is limited to use.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of broad gap vertical docking one side CO not producing field trash and deviation when welding
2welding special purpose copper liner.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of broad gap vertical docking one side CO
2welding special purpose copper liner, comprise bar-shaped body, described bar-shaped body at least comprises a binding face, groove is offered on described binding face, along bar-shaped body length direction, passage is offered along its length in described bar-shaped body inside, the side wall surface of described bar-shaped body offers blind hole, and the end of described blind hole is connected with described passage.
Further, described passage is opened in the center of described bar-shaped body.
Further, ceramic material is filled in described groove.
Further, described bar-shaped body is cuboid, and described groove and described blind hole are opened on two adjacent side wall surfaces of cuboid.
The beneficial effects of the utility model are: first, the utility model is owing to adopting copper lining, therefore just do not deposit ceramic substrate to be in the prior art melted and to stir and produce the problem of field trash, thus effectively stop to produce field trash and deviation, secondly, while carrying out single track backing welding, copper lining is cooled, forcing functions reduces weld heat input, filling capping thereafter adopts multi-pass welding, weld heat input controls at below 2kJ/ ㎜, heat affected area would not produce overheated structure, there is not hot straining embrittlement problem simultaneously, effectively can improve the impact flexibility of welded seam area and effectively prevent the decline of heat affected area toughness, finally adopt copper lining, after welding, appearance of weld is attractive in appearance, stingless, beautiful, and on macrospecimen, backing run crystal grain is tiny and even.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment special purpose copper liner;
Fig. 2 is the structural representation after the special purpose copper liner laminating mother metal of the utility model preferred embodiment;
Fig. 3 is the structural representation that the utility model preferred embodiment adopts welding tractor;
Fig. 4 is the structural representation of the utility model preferred embodiment multi-pass welding.
Label declaration:
1, bar-shaped body; 2, passage; 3, blind hole; 4, groove; 5, mother metal; 6, welding tractor; 101, backing welding; 102, second weldering; 103, the 3rd road weldering.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
The design of the utility model most critical is: provide a kind of broad gap vertical docking one side CO
2welding special purpose copper liner, and cooling processing is carried out to copper lining.The utility model is stopped field trash and is generated, and effectively prevents the decline of heat affected area toughness simultaneously.
A kind of broad gap vertical docking one side CO as shown in Figures 1 and 2
2welding special purpose copper liner, this copper lining comprises bar-shaped body 1, described bar-shaped body 1 at least comprises a binding face, groove 4 is offered with civilian dress ceramic material on described binding face, along bar-shaped body 1 length direction, described bar-shaped body 1 inside offers passage 2 along its length, the side wall surface of described bar-shaped body 1 offers blind hole 3, and the end of described blind hole 3 is connected with described passage 2.
From foregoing description, the beneficial effects of the utility model are: first, the utility model is owing to adopting copper lining rapid heat dissipation, therefore the problem producing field trash in the prior art because overheated ceramic substrate is melted stirring is not just deposited, thus effectively stop field trash, secondly, adopt copper copper lining, appearance of weld rule after welding, neat, on macrospecimen, backing run crystal grain is tiny and even.
Together consult Fig. 3 and Fig. 4, welding tractor 6 is adopted to carry out single-sided welding, binding face for the back side of mother metal 5 groove side of fitting using the liner as carrying molten welding slag, opening part to blind hole 3 adds cooling water, cooling water flows through whole copper lining by passage 2, thus the heat that copper lining during welding absorbs is taken away, realize the forcing functions to backing run.In the present embodiment, carry out second weldering 102 and the 3rd road weldering 103 after carrying out backing welding 101 respectively, when carrying out second weldering 102 and the 3rd road welds 103, backing welding 101 adopts the above-mentioned cooling processing means adding cooling water in copper lining.
Further, described passage 2 is opened in the center of described bar-shaped body 1.
From foregoing description, the center that passage 2 is opened in bar-shaped body 1 make cooling water can evenly the heat of absorption all directions, avoid causing amount of localized heat overheated, certainly, in some other embodiment, be also arranged to binary channels or multichannel.From foregoing description, in the present embodiment, water cooling is the preferred type of cooling, adopts water cooling effectively can reduce the cost of cooling medium, and water cooling operation is simultaneously ripe, stability is higher, in some other embodiment, certainly also can adopt other the type of cooling, such as air cooling.
Further, described groove 4 fills ceramic material.
From foregoing description, when welding, groove 4 is aimed at weld seam and is welded, and can form comparison rule, neat bead contour after welding like this at the back side of groove because ceramic material part is melted.
Further, described bar-shaped body 1 is cuboid, described groove 4 is opened on two adjacent side wall surfaces of cuboid with described blind hole 3, the length of this bar-shaped body 1 is generally 500 ~ 700 ㎜, blind hole 3 openend and groove 4 lay respectively at two adjacent sides, such convenience is add water in copper lining carrying out cooling, in addition, makes brass pay somebody's debt and expect repayment later sliceable use at the weld seam facing length.
Please refer to Fig. 1 to Fig. 4, embodiment one of the present utility model is: the above-mentioned broad gap that realizes founds docking one side CO
2the special purpose copper liner of welding procedure, this copper lining comprises bar-shaped body 1, described bar-shaped body 1 at least comprises a binding face, on described binding face, groove 4 is offered along bar-shaped body 1 length direction, described bar-shaped body 1 inside offers passage 2 along its length, the side wall surface of described bar-shaped body 1 offers blind hole 3, the end of described blind hole 3 is connected with described passage 2, described passage 2 is opened in the center of described bar-shaped body 1, the cross section of described groove 4 is square, described bar-shaped body 1 is cuboid, described groove 4 is opened on two adjacent side wall surfaces of cuboid with described blind hole 3, the length of this bar-shaped body 1 is generally 500 ~ 700 ㎜, blind hole 3 openend and groove 4 lay respectively at two adjacent sides.
In sum, the utility model can effectively be stopped to produce field trash and deviation, overheated structure would not be produced with heat affected zone, the impact flexibility that effectively can improve welded seam area and the toughness preventing heat affected area decline, adopt this special purpose copper liner to weld, its appearance of weld is attractive in appearance, stingless, beautiful.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a broad gap vertical docking one side CO2 welds special purpose copper liner, it is characterized in that, comprise bar-shaped body, described bar-shaped body at least comprises a binding face, groove is offered on described binding face, along bar-shaped body length direction, passage is offered along its length in described bar-shaped body inside, and the side wall surface of described bar-shaped body offers blind hole, and the end of described blind hole is connected with described passage.
2. broad gap according to claim 1 vertical docking one side CO2 welds special purpose copper liner, it is characterized in that: described passage is opened in the center of described bar-shaped body.
3. broad gap according to claim 1 vertical docking one side CO2 welds special purpose copper liner, it is characterized in that: fill ceramic material in described groove.
4. the vertical docking of the broad gap according to any one of claim 1-3 one side CO2 welds special purpose copper liner, and it is characterized in that: described bar-shaped body is cuboid, described groove and described blind hole are opened on two adjacent side wall surfaces of cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420814604.5U CN204397133U (en) | 2014-12-19 | 2014-12-19 | Broad gap vertical docking one side CO2 welds special purpose copper liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420814604.5U CN204397133U (en) | 2014-12-19 | 2014-12-19 | Broad gap vertical docking one side CO2 welds special purpose copper liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204397133U true CN204397133U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420814604.5U Expired - Fee Related CN204397133U (en) | 2014-12-19 | 2014-12-19 | Broad gap vertical docking one side CO2 welds special purpose copper liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204397133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526111A (en) * | 2014-12-19 | 2015-04-22 | 福建省马尾造船股份有限公司 | Wide-gap vertical butt-joint single face CO2 welding technology and copper gasket special for welding technology |
-
2014
- 2014-12-19 CN CN201420814604.5U patent/CN204397133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526111A (en) * | 2014-12-19 | 2015-04-22 | 福建省马尾造船股份有限公司 | Wide-gap vertical butt-joint single face CO2 welding technology and copper gasket special for welding technology |
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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 |
Granted publication date: 20150617 Termination date: 20201219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |