CN203140950U - Welding back protective gas supply device - Google Patents
Welding back protective gas supply device Download PDFInfo
- Publication number
- CN203140950U CN203140950U CN 201220747211 CN201220747211U CN203140950U CN 203140950 U CN203140950 U CN 203140950U CN 201220747211 CN201220747211 CN 201220747211 CN 201220747211 U CN201220747211 U CN 201220747211U CN 203140950 U CN203140950 U CN 203140950U
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- China
- Prior art keywords
- main
- air supply
- supply plant
- roller
- gas air
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to a welding back protective gas supply device which is arranged at a to-be-welded joint of a cylindrical workpiece and comprises an anti-deformation assembly, a main traveling trolley with a guide line and a driven traveling trolley with a gas supply pipe. The anti-deformation assembly is connected to the to-be-welded joint, and both the main traveling trolley and the driven traveling trolley are arranged on the anti-deformation assembly in a rolling manner; and when the to-be-welded joint is subjected to welding, the main traveling trolley moves on the anti-deformation assembly, the driven traveling trolley moves along with the main traveling trolley and supplies gas, the back joint is protected, and the gas supply pipe and the guide line are aligned to each other during movement so as to guarantee that the gas can be supplied accurately. Compared with the prior art, the welding back protective gas supply device has the advantages of safety, reliability, capabilities of saving cost and reducing welding deformation, wide application range and the like.
Description
Technical field
The utility model relates to a kind of welding equipment, especially relates to a kind of welding backing gas air supply plant.
Background technology
At present when thin plate stainless steel cylinder longitudinal joint automatic feeding TIG weldering (tungsten inert-gas welding), majority is to adopt reverse side manually to send argon gas or the back side and reverse side to weld simultaneously, can guarantee product quality although it is so, but bring certain harm for product and operating personnel, operating personnel weld in the cylindrical shell the inside or supply gas; Barrel wall is thinner, may produce distortion owing to personnel walk about, roll; The gas shielded arc welding wind speed can not be greater than 2m/s, so air quality and mobile poor in the cylindrical shell.
Relevant document also discloses backside gas and has protected welder, but majority is that kind situations how are also inapplicable for product yield is few for welding or structure are too complicated automatically.
Summary of the invention
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of safe and reliable, save cost, be fit to the welding backing gas air supply plant that scope is wide, reduce welding deformation.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of welding backing gas air supply plant; this device is arranged on the commissure to be welded of cylindrical shell workpiece; described air supply plant comprise the anti-deformation assembly, the band index wire main walking dolly and the band snorkel from walking dolly; described anti-deformation assembly is connected commissure to be welded, and described main walking dolly and all roll from walking dolly is arranged on the anti-deformation assembly.
Described anti-deformation assembly comprises two symmetrically arranged weldments, and described weldment is fixed on the cylindrical shell workpiece by screw bolt and nut.
Described weldment comprises angle steel and the connecting plate that is connected.
Described angle steel is provided with two, and two angle steel end part aligning are linked to be channel-section steel, and leaves the gap between two angle steel, and connecting plate is welded on the end of two angle steel.
Described gap is 10-20mm.
Described main walking dolly comprises main car body, index wire, push rod, main roller and main magnet, and described index wire, push rod, main roller and main magnet all are arranged on the main car body.
Described main roller is provided with six, and wherein, four main rollers are connected with the anti-deformation assembly, and move at the anti-deformation assembly, and two main rollers are connected with the cylindrical shell workpiece, and move at the cylindrical shell workpiece.
Describedly comprise from car body, snorkel, from roller with from magnet from walking dolly, described snorkel, all be arranged on from car body from roller with from magnet.
Describedly be provided with six from roller, wherein, four are connected with the anti-deformation assembly from roller, and move at the anti-deformation assembly, and two are connected with the cylindrical shell workpiece from roller, and move at the cylindrical shell workpiece.
Described main magnet and be oppositely arranged from the magnet heteropole.
Compared with prior art, the utlity model has following advantage:
One, suitable scope is wide: be fit to the many products of the few kind of product yield and manually weld, this installs highly versatile, and cost of manufacture is low.
Two, safe and reliable: as need someone not operate in the cylindrical shell, as long as at weld seam face Synchronization Control backing gas.
Three, simple to operate: as long as the positive dolly that promotes gets final product the reverse side protection, simple to operate.
Four, save cost: save the back side and send protective gas or welding operation personnel.
Five, reduce welding deformation: do not need the people in cylinder, to walk about, rigidly fix when welding but also increase anti-deformation device, reduce welding deformation.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is the enlarged drawing at I place among Fig. 2.
Number in the figure: 1, cylindrical shell workpiece, 2, angle steel, 3, connecting plate, 4, bolt, 5, nut, 6, main car body, 7, main roller, 8, push rod, 9, index wire, 10, snorkel, 11, main magnet, 12, from car body, 13, from roller, A, treat welding line.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
A kind of welding backing gas air supply plant; this device is arranged on the commissure to be welded of cylindrical shell workpiece; air supply plant comprise the anti-deformation assembly, the band index wire main walking dolly and the band snorkel from walking dolly; the anti-deformation assembly is connected commissure to be welded, and main walking dolly and all roll from walking dolly is arranged on the anti-deformation assembly.
As shown in Figure 1, the anti-deformation assembly comprises two symmetrically arranged weldments, and weldment is fixed on the cylindrical shell workpiece 1 by bolt 4 and nut 5.Weldment comprises angle steel 2 and the connecting plate 3 that is connected.Angle steel 2 is provided with two, and two angle steel 2 end part aligning are linked to be channel-section steel, and two 2 in angle steel leave the gap, and connecting plate 3 is welded on the end of two angle steel 2.Gap between angle steel can be set at 10-20mm according to the size for the treatment of welding line, and the present embodiment gap is 15mm.This anti-deformation assembly can effectively prevent the welding deformation of cylindrical shell workpiece, simultaneously to operating personnel's the guide effect that is welded with, and can be used as main walking dolly and from the Crane Rail of walking dolly.
As shown in Figure 1-Figure 3, main walking dolly comprises main car body 6, index wire 9, push rod 8, main roller 7 and main magnet 11, and index wire 9, push rod 8, main roller 7 and main magnet 11 all are arranged on the main car body 6.Main roller 7 is provided with six, and wherein, four main rollers are connected with the anti-deformation assembly, and move at the anti-deformation assembly, and two main rollers are connected with the cylindrical shell workpiece, and move at the cylindrical shell workpiece.
Comprise from car body 12, snorkel 10, from roller 13 with from magnet from walking dolly, snorkel 10, all be arranged on from car body 12 from roller 13 with from magnet.Be provided with six from roller, wherein, four are connected with the anti-deformation assembly from roller, and move at the anti-deformation assembly, and two are connected with the cylindrical shell workpiece from roller, and move at the cylindrical shell workpiece.
Can to follow main walking dolly automatically from walking dolly and move in order to make, utilize the magnet suction, main magnet 11 and be oppositely arranged from the magnet heteropole.
Above-mentioned welding with the operation principle of backing gas air supply plant is: adjust index wire and snorkel relative position before the welding; when treating the welding line place and welding; operating personnel take the welding gun welding on the other hand; another hand promotes main walking dolly by push rod; following main walking dolly from walking dolly moves and supplies gas and reach the protection sealing run; simultaneously operating personnel check the index wire on the main walking dolly, guarantee the reverse side correct position of supplying gas.
Because workpiece longitudinal seam length greater than 0.8 meter, should be welded to both sides from treating that welding line is middle for reducing welding stress.
The utility model welding does not need the people to walk about in the cylindrical shell workpiece with the backing gas air supply plant when welding, and rigidly fixes when welding but also increase the anti-deformation assembly, reduces welding deformation.
Claims (10)
1. welding backing gas air supply plant; this device is arranged on the commissure to be welded of cylindrical shell workpiece; it is characterized in that; described air supply plant comprise the anti-deformation assembly, the band index wire main walking dolly and the band snorkel from walking dolly; described anti-deformation assembly is connected commissure to be welded, and described main walking dolly and all roll from walking dolly is arranged on the anti-deformation assembly.
2. a kind of welding backing gas air supply plant according to claim 1 is characterized in that, described anti-deformation assembly comprises two symmetrically arranged weldments, and described weldment is fixed on the cylindrical shell workpiece by screw bolt and nut.
3. a kind of welding backing gas air supply plant according to claim 2 is characterized in that, described weldment comprises angle steel and the connecting plate that is connected.
4. a kind of welding backing gas air supply plant according to claim 3 is characterized in that, described angle steel is provided with two, and two angle steel end part aligning are linked to be channel-section steel, and leaves the gap between two angle steel, and connecting plate is welded on the end of two angle steel.
5. a kind of welding backing gas air supply plant according to claim 4 is characterized in that, described gap is 10-20mm.
6. a kind of welding backing gas air supply plant according to claim 1; it is characterized in that; described main walking dolly comprises main car body, index wire, push rod, main roller and main magnet, and described index wire, push rod, main roller and main magnet all are arranged on the main car body.
7. a kind of welding backing gas air supply plant according to claim 6; it is characterized in that; described main roller is provided with six; wherein; four main rollers are connected with the anti-deformation assembly; and move at the anti-deformation assembly, two main rollers are connected with the cylindrical shell workpiece, and move at the cylindrical shell workpiece.
8. a kind of welding backing gas air supply plant according to claim 6; it is characterized in that; describedly comprise from car body, snorkel, from roller with from magnet from walking dolly, described snorkel, all be arranged on from car body from roller with from magnet.
9. a kind of welding backing gas air supply plant according to claim 8; it is characterized in that; describedly be provided with six from roller; wherein; four are connected with the anti-deformation assembly from roller; and move at the anti-deformation assembly, two are connected with the cylindrical shell workpiece from roller, and move at the cylindrical shell workpiece.
10. a kind of welding backing gas air supply plant according to claim 8 is characterized in that, described main magnet and be oppositely arranged from the magnet heteropole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747211 CN203140950U (en) | 2012-12-29 | 2012-12-29 | Welding back protective gas supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747211 CN203140950U (en) | 2012-12-29 | 2012-12-29 | Welding back protective gas supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203140950U true CN203140950U (en) | 2013-08-21 |
Family
ID=48968506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220747211 Expired - Lifetime CN203140950U (en) | 2012-12-29 | 2012-12-29 | Welding back protective gas supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203140950U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953015A (en) * | 2018-01-14 | 2018-04-24 | 宝鸡中铁宝桥天元实业发展有限公司 | Automatic submerged-arc welding method and its automatic welding equipment for steel pipe arch bridge arch rib circumferential weld |
-
2012
- 2012-12-29 CN CN 201220747211 patent/CN203140950U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953015A (en) * | 2018-01-14 | 2018-04-24 | 宝鸡中铁宝桥天元实业发展有限公司 | Automatic submerged-arc welding method and its automatic welding equipment for steel pipe arch bridge arch rib circumferential weld |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |