CN104625347A - Throttling protection device for bottom argon arc welding in power station pipe fabrication - Google Patents
Throttling protection device for bottom argon arc welding in power station pipe fabrication Download PDFInfo
- Publication number
- CN104625347A CN104625347A CN201510045778.9A CN201510045778A CN104625347A CN 104625347 A CN104625347 A CN 104625347A CN 201510045778 A CN201510045778 A CN 201510045778A CN 104625347 A CN104625347 A CN 104625347A
- Authority
- CN
- China
- Prior art keywords
- arc welding
- connecting ring
- argon arc
- bottom argon
- curved roof
- Prior art date
- 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
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
- B23K9/325—Devices for supplying or evacuating shielding gas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a throttling protection device for bottom argon arc welding in power station pipe fabrication. The throttling protection device for bottom argon arc welding in power station pipe fabrication comprises a gas guide structure, a sealing structure and a connection ring. The sealing structure comprises annular structures located at the two ends of the exterior of the connection ring. A gas filling cavity is formed between the two annular structures and the outer wall of the connection ring. The gas guide structure comprises a gas guide tube and a gas inlet pipe which are connected together. The gas guide tube is annular, arranged outside the connection ring in a sleeving mode and located in the gas filling cavity. The gas guide tube is provided with a plurality of gas outlet holes. By means of the throttling protection device for bottom argon arc welding in power station pipe fabrication, argon can be saved, time is saved, labor intensity is lowered, and efficiency is increased.
Description
Technical field
The present invention relates to welding auxiliary equipment manufacturing technology field, especially Power Plant Pipe Preparation bottom argon arc welding solar term protective device.
Background technology
At present, Power Plant Pipe Preparation welding adopts bottom argon arc welding substantially, the welding method of arc welding or submerged-arc welding filling, capping.When factory's welding bottom argon arc welding; traditional guard method needs carefully to paste shutoff with adhesive tape to multiple port of welding pipe arrangement and perforate, gap to do argon gas room; then filling argon replaces air to be carried out; stand-by period also wants 30 to 60 minutes; and argon gas decompression table reaches the most about 25 to 30L/min flow, until air chamber be full of completely spread all over argon gas after can welding.Especially caliber is greater than the pipe arrangement of 700mm, can waste a large amount of production energy and time.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose Power Plant Pipe Preparation bottom argon arc welding solar term protective device, energy saver argon gas can saved, save time, reduce labour intensity, raise the efficiency.
In order to realize foregoing invention object, the invention provides following technical scheme:
Power Plant Pipe Preparation bottom argon arc welding solar term protective device, comprises gas-guiding structure, hermetically-sealed construction and connecting ring,
Described hermetically-sealed construction comprises the loop configuration laying respectively at the outside two ends of described connecting ring, for gas fills chamber between two described loop configuration and described connecting ring outer wall,
Described gas-guiding structure comprises the wireway and air inlet pipe that link together,
Described wireway is annular, is enclosed within outside described connecting ring, is positioned at described gas and fills chamber,
Described wireway is distributed with some ventholes.
Further, described loop configuration comprises along two sidewalls of its axial distribution and the curved roof between two described sidewalls,
Described curved roof has polylith, distributes around described loop configuration, is connected with back-moving spring between described curved roof and described connecting ring.
Further, described hermetically-sealed construction also comprises stretching structure, and described stretching structure comprises swing arm and some stay cords,
Described swing arm is arranged on described connecting ring axle center place, and described stay cord one end is connected with described curved roof through described connecting ring, the other end is connected with described swing arm.
Further, described stretching structure also comprises some guide pin bushings and some guide rods,
Described guide pin bushing is arranged on corresponding position, described curved roof position and passes described connecting ring sidewall,
Described guide rod is through described guide pin bushing, and one end is connected with described curved roof, the other end is connected with described stay cord.
Further, described stretching structure also comprises handle and supporting construction,
Described handle and described swing arm are connected to form T-shaped structure, pin is provided with in described handle one end, described supporting construction connects described swing arm and described connecting ring, and in described supporting construction side, described swing arm is provided with some pin-and-holes, described pin-and-hole coordinates with described pin.
Further, described hermetically-sealed construction also comprises sealant, and described sealant is wrapped in described loop configuration outside, between described curved roof and pipe arrangement inwall.
Power Plant Pipe Preparation bottom argon arc welding solar term protective device of the present invention, be applied to the bottom argon arc welding technique in pipe arrangement welding, only need carry out applying argon gas protection to the inner annular zonule of pipe arrangement soldering opening (namely gas fills chamber), argon gas consumption can be saved in actual production more than at least 80%, better reduce production cost rate; Without the need to being filled with argon replaces air for a long time, argon gas is filled with flow can reach high-quality welding quality according to welding procedure standard 10 to 12L/min, improves and produces effect.
Accompanying drawing explanation
Fig. 1 is the schematic front view of Power Plant Pipe Preparation bottom argon arc welding solar term protective device of the present invention;
Fig. 2 is the cross-sectional schematic that Power Plant Pipe Preparation bottom argon arc welding solar term protective device of the present invention is arranged in two pipe arrangement interfaces;
Fig. 3 is the cross-sectional schematic of wireway of the present invention.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
Power Plant Pipe Preparation bottom argon arc welding solar term protective device as Figure 1-3, comprises gas-guiding structure, hermetically-sealed construction and connecting ring 10,
Hermetically-sealed construction comprises and lays respectively at for gas fills chamber 9 between loop configuration 11, two loop configuration 11 at the outside two ends of connecting ring 10 and connecting ring 10 outer wall,
Gas-guiding structure comprises the wireway 12 and air inlet pipe 13 that link together,
Wireway 12 is annular, is enclosed within outside connecting ring 10, is positioned at gas and fills chamber 9,
Wireway 12 is distributed with some ventholes 14, and the concrete number of venthole 14, aperture and setting position can be determined according to actual conditions, arrange 20 ventholes 14 in the present embodiment.
Loop configuration 11 comprises two sidewalls along its axial distribution and the curved roof between two sidewalls 2, and curved roof 2 can along the radial motion of sidewall, and and snug engagement,
Curved roof 2 has polylith, distribute around loop configuration 11, polylith curved roof 2 connects can form annulus, and each curved roof 2 is equipped with back-moving spring 3 with being connected between connecting ring 10, the magnitude setting of curved roof 2 specifically can be arranged according to the fixed effect of this device, arranges four in the present embodiment.
Hermetically-sealed construction also comprises stretching structure, and stretching structure comprises swing arm 7 and some stay cords 6,
Swing arm 7 is arranged on connecting ring 10 axle center place and coaxial with connecting ring 10, and stay cord 6 one end is connected with curved roof 2 through connecting ring 10, the other end is connected with swing arm 7, and the number of stay cord 6 is corresponding with the number of curved roof 2.
Stretching structure also comprises some guide pin bushings 4 and some guide rods 5, and the number of the number uniform arcuate shape top board 2 of guide pin bushing 4 and guide rod 5 is corresponding,
Guide pin bushing 4 is arranged on corresponding position, curved roof 2 position and radially across connecting ring 10 sidewall,
Guide rod 5 is through guide pin bushing 4, and one end is connected with curved roof 2, the other end is connected with stay cord 6, and guide rod 5 and guide pin bushing 4 are slidably matched.
Stretching structure also comprises handle and supporting construction 15,
Handle is shaft-likely be connected to form T-shaped structure with swing arm 7, be provided with pin 8 in handle one end, supporting construction 15 connects swing arm 7 and connecting ring 10, and swing arm 7 can rotate in supporting construction 15, in supporting construction 15 side, swing arm 7 is provided with some pin-and-holes, pin-and-hole coordinates with pin 8.
Hermetically-sealed construction also comprises sealant 1, and sealant 1 is wrapped in loop configuration 11 outside, between curved roof 2 and pipe arrangement inwall, in the present embodiment, sealant 1 is the heat-resisting asbestos of aluminate.
During use, first by rotatable handle certain angle, each curved roof 2 condenses at the effect Xia Xiang center of stay cord 6, treat that the pin 8 that each curved roof 2 arrives on certain position back handle coordinates with the pin-and-hole in supporting construction 15, curved roof 2 is fixed, then sealant 1 is wrapped in outside curved roof 2, finally the present invention is put into the interface of two pipe arrangements 100, each loop configuration 11 is corresponding with pipe arrangement 100 nozzle position, unclamp pin 8, curved roof 2 radial direction under the effect of back-moving spring 3 struts, the present invention is fixed, air inlet pipe 13 passes into argon gas and welds.Sealant 1 is compressed by curved roof 2, plays sealing function.Weld rear rotary handle and shunk curved roof 2, fixator pins 8 has been taken out.
Power Plant Pipe Preparation bottom argon arc welding solar term protective device of the present invention, be applied to the bottom argon arc welding technique in pipe arrangement welding, only need carry out applying argon gas protection to the inner annular zonule of pipe arrangement soldering opening (namely gas fills chamber 9), argon gas consumption can be saved in actual production more than at least 80%, better reduce production cost rate; Without the need to being filled with argon replaces air for a long time, argon gas is filled with flow can reach high-quality welding quality according to welding procedure standard 10 to 12L/min, improves and produces effect.
Claims (6)
1. Power Plant Pipe Preparation bottom argon arc welding solar term protective device, is characterized in that, comprises gas-guiding structure, hermetically-sealed construction and connecting ring,
Described hermetically-sealed construction comprises the loop configuration laying respectively at the outside two ends of described connecting ring, for gas fills chamber between two described loop configuration and described connecting ring outer wall,
Described gas-guiding structure comprises the wireway and air inlet pipe that link together,
Described wireway is annular, is enclosed within outside described connecting ring, is positioned at described gas and fills chamber,
Described wireway is distributed with some ventholes.
2. Power Plant Pipe Preparation bottom argon arc welding solar term protective device as claimed in claim 1, it is characterized in that, described loop configuration comprises along two sidewalls of its axial distribution and the curved roof between two described sidewalls,
Described curved roof has polylith, distributes around described loop configuration, is connected with back-moving spring between described curved roof and described connecting ring.
3. Power Plant Pipe Preparation bottom argon arc welding solar term protective device as claimed in claim 2, it is characterized in that, described hermetically-sealed construction also comprises stretching structure, and described stretching structure comprises swing arm and some stay cords,
Described swing arm is arranged on described connecting ring axle center place, and described stay cord one end is connected with described curved roof through described connecting ring, the other end is connected with described swing arm.
4. Power Plant Pipe Preparation bottom argon arc welding solar term protective device as claimed in claim 3, it is characterized in that, described stretching structure also comprises some guide pin bushings and some guide rods,
Described guide pin bushing is arranged on corresponding position, described curved roof position and passes described connecting ring sidewall,
Described guide rod is through described guide pin bushing, and one end is connected with described curved roof, the other end is connected with described stay cord.
5. Power Plant Pipe Preparation bottom argon arc welding solar term protective device as described in claim 3 or 4, it is characterized in that, described stretching structure also comprises handle and supporting construction,
Described handle and described swing arm are connected to form T-shaped structure, pin is provided with in described handle one end, described supporting construction connects described swing arm and described connecting ring, and in described supporting construction side, described swing arm is provided with some pin-and-holes, described pin-and-hole coordinates with described pin.
6. Power Plant Pipe Preparation bottom argon arc welding solar term protective device as claimed in claim 2, it is characterized in that, described hermetically-sealed construction also comprises sealant, described sealant be wrapped in described loop configuration outside, between described curved roof and pipe arrangement inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510045778.9A CN104625347B (en) | 2015-01-29 | 2015-01-29 | Throttling protection device for bottom argon arc welding in power station pipe fabrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510045778.9A CN104625347B (en) | 2015-01-29 | 2015-01-29 | Throttling protection device for bottom argon arc welding in power station pipe fabrication |
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| Publication Number | Publication Date |
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| CN104625347A true CN104625347A (en) | 2015-05-20 |
| CN104625347B CN104625347B (en) | 2017-04-12 |
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| CN201510045778.9A Active CN104625347B (en) | 2015-01-29 | 2015-01-29 | Throttling protection device for bottom argon arc welding in power station pipe fabrication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522266A (en) * | 2016-02-02 | 2016-04-27 | 云南昆船第一机械有限公司 | Butt joint circular seam reverse side gas shielding device for barrel fusion welding |
| CN109352148A (en) * | 2018-11-12 | 2019-02-19 | 南通航运职业技术学院 | A kind of narrow clearance welding gun |
| CN109352146A (en) * | 2018-11-12 | 2019-02-19 | 南通航运职业技术学院 | A kind of mariages narrow clearance welding gun |
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| US4562334A (en) * | 1984-06-05 | 1985-12-31 | The United States Of America As Represented By The United States Department Of Energy | Gas shielding apparatus |
| EP0795371B1 (en) * | 1996-03-13 | 1999-11-10 | Werner Jankus | Inert gas enclosure for gas flooding into bent vessel parts or pipes to be welded |
| CN101318253A (en) * | 2008-06-25 | 2008-12-10 | 阮继成 | Inside-tube gas flushing device for gas shielded arc welding |
| CN201333599Y (en) * | 2009-01-22 | 2009-10-28 | 中国化学工程第三建设有限公司 | Protective gas sealing device in a pipeline welding pipe |
| CN203171121U (en) * | 2013-03-29 | 2013-09-04 | 四川川润动力设备有限公司 | Welding gas protecting cover |
| CN204449577U (en) * | 2015-01-29 | 2015-07-08 | 阜新华通管道有限公司 | Power Plant Pipe Preparation bottom argon arc welding solar term protective device |
-
2015
- 2015-01-29 CN CN201510045778.9A patent/CN104625347B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4562334A (en) * | 1984-06-05 | 1985-12-31 | The United States Of America As Represented By The United States Department Of Energy | Gas shielding apparatus |
| EP0795371B1 (en) * | 1996-03-13 | 1999-11-10 | Werner Jankus | Inert gas enclosure for gas flooding into bent vessel parts or pipes to be welded |
| CN101318253A (en) * | 2008-06-25 | 2008-12-10 | 阮继成 | Inside-tube gas flushing device for gas shielded arc welding |
| CN201333599Y (en) * | 2009-01-22 | 2009-10-28 | 中国化学工程第三建设有限公司 | Protective gas sealing device in a pipeline welding pipe |
| CN203171121U (en) * | 2013-03-29 | 2013-09-04 | 四川川润动力设备有限公司 | Welding gas protecting cover |
| CN204449577U (en) * | 2015-01-29 | 2015-07-08 | 阜新华通管道有限公司 | Power Plant Pipe Preparation bottom argon arc welding solar term protective device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522266A (en) * | 2016-02-02 | 2016-04-27 | 云南昆船第一机械有限公司 | Butt joint circular seam reverse side gas shielding device for barrel fusion welding |
| CN109352148A (en) * | 2018-11-12 | 2019-02-19 | 南通航运职业技术学院 | A kind of narrow clearance welding gun |
| CN109352146A (en) * | 2018-11-12 | 2019-02-19 | 南通航运职业技术学院 | A kind of mariages narrow clearance welding gun |
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| Publication number | Publication date |
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| CN104625347B (en) | 2017-04-12 |
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