CN109277729A - A kind of steel-pipe welding protection gas tooling - Google Patents
A kind of steel-pipe welding protection gas tooling Download PDFInfo
- Publication number
- CN109277729A CN109277729A CN201811215390.9A CN201811215390A CN109277729A CN 109277729 A CN109277729 A CN 109277729A CN 201811215390 A CN201811215390 A CN 201811215390A CN 109277729 A CN109277729 A CN 109277729A
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- CN
- China
- Prior art keywords
- sealing element
- steel
- tooling
- gas
- pipe welding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The invention discloses a kind of steel-pipe weldings to protect gas tooling; including left sealing element and right sealing element; the left sealing element and right sealing element and steel pipe inner wall tight fit; and at least one sealing element is equipped with and runs through through-hole; gas tube is set in the through-hole; the back of the left sealing element and/or right sealing element is equipped with the fixed part for fixed traction part, and the fixed part is connect with the traction piece being arranged in outside steel pipe.Tooling provided by the invention has that structure is simple, easy to use, the advantages of reducing protection gas usage amount, reducing production cost, opposite homogeneous tube punching protection gas can save protection gas dosage more than half, charge-air mass is guaranteed；Inflationtime is reduced, welder's efficiency is improved, reduces the welding preparation time；It reduces protection gas to use, improves volumetric efficiency, reduce security risk, guarantee welding quality.
Description
Technical field
The present invention relates to welding tooling technical fields, and in particular to a kind of steel-pipe welding protection gas tooling.
Background technique
During shipbuilding, be related to high-volume steel-pipe welding construction, steel pipe site welding amount is big, and freeze position and
Difficulty is big, and welding efficiency is difficult to improve；Steel-pipe welding process wants overall process to rush protective gas simultaneously, and the usage amount of protective gas is big
Production cost is caused stress, and a large amount of protective gas are spread at the construction field (site), there are some potential safety problemss.Therefore, how
The use of protective gas is reduced in welding process at the scene and can guarantee that Pipe Welding Quality is that current site operation is badly in need of solving
The problem of.
Summary of the invention
It is an object of the present invention to overcome defect existing in the prior art, provide a kind of structure it is simple, it is easy to use,
Protection gas usage amount is reduced, a kind of steel-pipe welding protection gas tooling of production cost is reduced.
To achieve the above object, the technical scheme is to design a kind of steel-pipe weldings to protect gas tooling, including left close
Sealing and right sealing element, the left sealing element and right sealing element and steel pipe inner wall tight fit, and at least one sealing element is equipped with
Through through-hole, gas tube is set, the back of the left sealing element and/or right sealing element is equipped with for fixing in the through-hole
The fixed part of traction piece, the fixed part are connect with the traction piece being arranged in outside steel pipe.In use, first by inflated hose from wherein
The other end of a piece steel pipe wears the nozzle welded to needs, and inflated hose is connect with the gas tube on sealing element, is then distinguished
Left sealing element and right sealing element are promoted in the nozzle of steel pipe to be welded, air charging system is started, it will be between right-left seal part
Space is full of protective gas, starts to weld, after the completion of welding, be removed the tooling out of steel pipe by traction piece；The tooling it
Between form separate space, reduce inflationtime and aeration quantity, ensure that the welding quality of steel pipe nozzle.
In order to facilitate the disassembly of sealing element and the leakproofness of raising sealing element, preferred technical solution is the sealing element
The sealing ring made of clamping plate and flexible material forms, and the outer diameter of the clamping plate is less than pipe diameter, sandwiched sealing among clamping plate
Circle, the gas tube run through clamping plate.
Further preferred technical solution is that the sealing ring is the round sheet sponge with a thickness of 5-10 centimetres.Sponge
Material is as sealing ring, small with the frictional force of steel pipe inner wall while sealing effect is good, more convenient when drawing removes.
Further preferred technical solution is that the sealing ring is the air bag being folded in clamping plate, and the inflating port of air bag is set
It sets in clamping plate plane.
In order to make the tooling adapt to the steel-pipe welding construction of different tube diameters, further preferred technical solution is the gas
Capsule is multi-layer annular air bag, wherein every layer of annular air-pocket has independent aeration aperture.
In order to make the tooling adapt to the steel-pipe welding construction of different tube diameters, preferred technical solution is that the sealing element is
Round sheet sealing element made of flexible material, the sealing element is equipped with the notch along its radial direction, locating for notch
Diameter and the diameter vertical with notch are reference axis, the first quartile region or the 4th for the rounded seal that the reference axis divides
Quadrant area opens up the arc groove of a quarter perimeter length, and the arc groove and rounded seal are concentric；With the arc
The corresponding fourth quadrant of slot or the first quartile area seals back side are equipped with sliding block, and the sliding block can be slided in arc groove
It is dynamic, so that sealing element is partly overlapped.
In order to reduce the aeration quantity of protection gas, guarantees enough protection gas air pressures, connect outside air not with welding junction
Touching guarantees welding quality, while reducing the removal difficulty that rear seal is completed in welding, and further preferred technical solution is institute
It states left sealing element to connect with the opposite face of right sealing element by gag lever post, makes the distance between the left sealing element and right sealing element be
10-20cm。
The advantages and beneficial effects of the present invention are: Aerated tool equipment provided by the invention have structure it is simple, it is easy to use,
The advantages of reducing protection gas usage amount, reducing production cost, opposite homogeneous tube punching protection gas can save protection gas dosage more than half,
Charge-air mass is guaranteed；Inflationtime is reduced, welder's efficiency is improved, reduces the welding preparation time；It reduces protection gas to use, improve
Volumetric efficiency reduces security risk, guarantees welding quality；Be arranged Grazing condition can partly overlapping sealing element and multi-layer airbag type it is close
Seal avoids making multiple toolings, reduces the loss of material so that the tooling adapts to different tube diameters steel-pipe welding and uses, and improves
Working efficiency further decreases production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of steel-pipe welding protection gas tooling embodiment 1 of the present invention；
Fig. 2 is the structural schematic diagram of steel-pipe welding protection gas tooling embodiment 2 of the present invention；
Fig. 3 is the structural schematic diagram of steel-pipe welding protection gas tooling embodiment 3 of the present invention
Fig. 4 is the structural schematic diagram of steel-pipe welding protection gas tooling embodiment 4 of the present invention.
In figure: 1, left sealing element；2, right sealing element；3, gas tube；4, link；5, gag lever post；6, clamping plate；7, sponge；8,
Air bag；9, inflating port；10, notch；11, arc groove.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of steel pipe argon arc welding Aerated tool equipment of the invention, including left sealing element 1 and right sealing element 2, institute
Left sealing element and right sealing element and steel pipe inner wall tight fit are stated, left sealing element, which is equipped with, runs through through-hole, and argon is arranged in the through-hole
The back of gas gas tube 3, the left sealing element and/or right sealing element is equipped with the link 4 for fixed traction part, the extension
Ring is connect with the traction piece being arranged in outside steel pipe.The opposite face of the left sealing element and right sealing element is connected by gag lever post 5, is made
The distance between left sealing element and right sealing element are 10-20cm.
Gag lever post can be a straight-bar, and two blind holes, limit are arranged on the opposite position of left sealing element and right sealing element
Blind hole is inserted at the both ends of position straight-bar, and limitation right-left seal part is close to each other, and the distance between control right-left seal part avoids distance
It is too small, it protects the distance between welding sequence or right-left seal part excessive without enough argon gas, causes certain argon gas
Waste increases production cost.
Embodiment 2
As shown in Figure 2, embodiment 2 the difference from embodiment 1 is that, the sealing element is made of clamping plate 6 and flexible material
Sealing ring composition, the outer diameter of the clamping plate 6 is less than pipe diameter, and sandwiched sealing ring among clamping plate, the gas tube is through folder
Plate.The sealing ring is the round sheet sponge 7 with a thickness of 5-10 centimetres.The clamping plate makes clamping plate by bolt and nut cooperation
It is fixed with sponge sealing ring.
Embodiment 3
As shown in figure 3, embodiment 3 the difference from example 2 is that, the sealing ring is the air bag being folded in clamping plate 6
8, the inflating port 9 of air bag is arranged in clamping plate plane.The air bag is shellring shape air bag, wherein every layer of annular air-pocket has list
Only inflating port.
Embodiment 4
As shown in figure 4, embodiment 4 the difference from embodiment 1 is that, the sealing element be flexible material made of circular piece
Shape sealing element, the sealing element are equipped with the notch 10 along its radial direction, with diameter locating for notch and vertical with notch
Diameter is reference axis, the first quartile region or fourth quadrant region for the rounded seal that the reference axis divides open up four/
The arc groove 11 of one perimeter length, the arc groove and rounded seal are concentric；In four-quadrant corresponding with the arc groove
Limit or the first quartile area seals back side are equipped with sliding block 12, and the sliding block can slide in arc groove, make sealing element part
Overlapping.
The embodiment is placed into steel pipe and is welded in use, first by the cut sealing on sealing element, when needing to weld
When compared with small diameter tube steel pipe, the sliding block of sealing element behind is inserted into arc groove, is that sliding block slides in arc groove, makes the sealing element shape
At the circumference of infundibulate sealing element and the caliber tight fit of steel pipe after, then next welding is carried out, in order to avoid leakage
Corresponding sealing joint strip etc. can also be arranged in incision site in bucket shape sealing element incision site gas leakage；Or the sealing of the embodiment
It is not provided with notch on part, refolding after rounded seal symmetrical fold is first only opened into funneling, the overlapping of sealing element afterwards
Region fixed funneling by way of button or others is sealed in the nozzle of push-in steel pipe.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of steel-pipe welding protects gas tooling, which is characterized in that including left sealing element and right sealing element, the left sealing element and
Right sealing element and steel pipe inner wall tight fit, and at least one sealing element is equipped with and runs through through-hole, and gas tube is arranged in the through-hole,
The back of the left sealing element and/or right sealing element be equipped with for fixed traction part fixed part, the fixed part with set
Set the traction piece connection outside steel pipe.
2. steel-pipe welding according to claim 1 protects gas tooling, which is characterized in that the sealing element is by clamping plate and flexibility
The composition of sealing ring made of material, the outer diameter of the clamping plate are less than pipe diameter, sandwiched sealing ring among clamping plate, the gas tube
Through clamping plate.
3. steel-pipe welding according to claim 2 protects gas tooling, which is characterized in that the sealing ring is with a thickness of 5-10
Centimetre round sheet sponge.
4. steel-pipe welding according to claim 2 protects gas tooling, which is characterized in that the sealing ring is to be folded in clamping plate
The inflating port of interior air bag, air bag is arranged in clamping plate plane.
5. steel-pipe welding according to claim 4 protects gas tooling, which is characterized in that the air bag is multi-layer annular gas
Capsule, wherein every layer of annular air-pocket has independent inflating port.
6. steel-pipe welding according to claim 1 protects gas tooling, which is characterized in that the sealing element is flexible material system
At round sheet sealing element, the sealing element be equipped with along its radial direction notch, with diameter locating for notch and with cut
The vertical diameter of mouth is reference axis, and the first quartile region or fourth quadrant region for the rounded seal that the reference axis divides are opened
If the arc groove of a quarter perimeter length, the arc groove and rounded seal are concentric；Corresponding with the arc groove
Fourth quadrant or the first quartile area seals back side are equipped with sliding block, and the sliding block can slide in arc groove, make sealing element
It partly overlaps.
7. according to claim 1 any one steel-pipe welding described in -6 protect gas tooling, which is characterized in that the left sealing element and
The opposite face of right sealing element is connected by gag lever post, and making the distance between left sealing element and right sealing element is 10-20cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215390.9A CN109277729B (en) | 2018-10-18 | 2018-10-18 | Steel pipe welding protective gas tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811215390.9A CN109277729B (en) | 2018-10-18 | 2018-10-18 | Steel pipe welding protective gas tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109277729A true CN109277729A (en) | 2019-01-29 |
| CN109277729B CN109277729B (en) | 2020-12-04 |
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ID=65176702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811215390.9A Active CN109277729B (en) | 2018-10-18 | 2018-10-18 | Steel pipe welding protective gas tool |
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| Country | Link |
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| CN (1) | CN109277729B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587081A (en) * | 2019-09-02 | 2019-12-20 | 新兴铸管股份有限公司 | Steel pipe continuous argon arc welding weld back protection device |
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|---|---|---|---|---|
| CN2821298Y (en) * | 2005-06-22 | 2006-09-27 | 郑凌风 | Seal spacer |
| CN102133680A (en) * | 2011-01-29 | 2011-07-27 | 中国石化集团第十建设公司 | Gas replacement and protection device for welding nonferrous metal and nonferrous metal alloy composite pipelines |
| CN104110555A (en) * | 2014-06-30 | 2014-10-22 | 武汉圣禹排水系统有限公司 | Pipeline internal leakage repair pipe |
| CN204366249U (en) * | 2014-12-09 | 2015-06-03 | 中国海洋石油总公司 | For the pipe plugging of argon protection welding |
| CN204975638U (en) * | 2015-07-07 | 2016-01-20 | 湖南省工业设备安装有限公司 | A solar term device that be used for pipeline aerify protection weld |
| CN105665888A (en) * | 2016-04-20 | 2016-06-15 | 中国十九冶集团有限公司 | Gas saving structure for pipeline argon arc welding |
| CN206216096U (en) * | 2016-12-06 | 2017-06-06 | 中石化中原油建工程有限公司 | One kind welding back of the body gas shielded device |
| CN106944776A (en) * | 2017-05-12 | 2017-07-14 | 烟台杰瑞石油装备技术有限公司 | A kind of plugging device for welded pipe line internal protection gas |
| CN108194754A (en) * | 2017-12-20 | 2018-06-22 | 中冶天工集团有限公司 | A kind of temporary blocking device and method for blocking suitable for different-diameter pipeline |
-
2018
- 2018-10-18 CN CN201811215390.9A patent/CN109277729B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2821298Y (en) * | 2005-06-22 | 2006-09-27 | 郑凌风 | Seal spacer |
| CN102133680A (en) * | 2011-01-29 | 2011-07-27 | 中国石化集团第十建设公司 | Gas replacement and protection device for welding nonferrous metal and nonferrous metal alloy composite pipelines |
| CN104110555A (en) * | 2014-06-30 | 2014-10-22 | 武汉圣禹排水系统有限公司 | Pipeline internal leakage repair pipe |
| CN204366249U (en) * | 2014-12-09 | 2015-06-03 | 中国海洋石油总公司 | For the pipe plugging of argon protection welding |
| CN204975638U (en) * | 2015-07-07 | 2016-01-20 | 湖南省工业设备安装有限公司 | A solar term device that be used for pipeline aerify protection weld |
| CN105665888A (en) * | 2016-04-20 | 2016-06-15 | 中国十九冶集团有限公司 | Gas saving structure for pipeline argon arc welding |
| CN206216096U (en) * | 2016-12-06 | 2017-06-06 | 中石化中原油建工程有限公司 | One kind welding back of the body gas shielded device |
| CN106944776A (en) * | 2017-05-12 | 2017-07-14 | 烟台杰瑞石油装备技术有限公司 | A kind of plugging device for welded pipe line internal protection gas |
| CN108194754A (en) * | 2017-12-20 | 2018-06-22 | 中冶天工集团有限公司 | A kind of temporary blocking device and method for blocking suitable for different-diameter pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587081A (en) * | 2019-09-02 | 2019-12-20 | 新兴铸管股份有限公司 | Steel pipe continuous argon arc welding weld back protection device |
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| CN109277729B (en) | 2020-12-04 |
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