CN114226915A - Self-supporting device for back liner of longitudinal seam submerged-arc welding of large-diameter long cylinder of thin plate - Google Patents
Self-supporting device for back liner of longitudinal seam submerged-arc welding of large-diameter long cylinder of thin plate Download PDFInfo
- Publication number
- CN114226915A CN114226915A CN202210075116.6A CN202210075116A CN114226915A CN 114226915 A CN114226915 A CN 114226915A CN 202210075116 A CN202210075116 A CN 202210075116A CN 114226915 A CN114226915 A CN 114226915A
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- China
- Prior art keywords
- base
- fire
- arc welding
- thin plate
- supporting frame
- Prior art date
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- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 45
- 230000004907 flux Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/035—Seam welding; Backing means; Inserts with backing means disposed under the seam
-
- 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
- B23K9/18—Submerged-arc welding
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a back gasket self-supporting device for longitudinal seam submerged arc welding of a large-diameter long cylinder of a thin plate, which comprises a base and two rollers, wherein one end of the base is provided with a supporting frame with the height consistent with that of the top end of the base, two sides of the top end of the supporting frame are respectively provided with a bearing seat, one end of the base, which is far away from the supporting frame, is provided with the same bearing seat symmetrical with the bearing seat on the supporting frame, two ends of each roller are respectively provided with a shaft, and the two rollers are respectively connected with the bearing seats in parallel through the shafts and are arranged on the base; the invention solves the problem of weld joint repair caused by deformation in the welding process of the longitudinal seam submerged-arc welding of the large-diameter long cylinder of the thin plate in one step, improves the efficiency, reduces the repair cost and improves the welding quality.
Description
Technical Field
The invention relates to the field of welding, in particular to a back gasket self-supporting device for longitudinal seam submerged-arc welding of a large-diameter long cylinder of a thin plate.
Background
When the longitudinal seam of the large-diameter long cylinder of the thin plate is welded by submerged arc welding, the waste welding flux is generally laid on the ground or a rigid support to be used as a back liner to protect the back surface from being welded through, and then a workpiece to be welded is placed on the welding flux liner. However, in the welding process, welding deformation is certainly generated due to the long welding piece with thin plate length, and the middle deformation is larger, but the ground or rigid support for supporting the welding agent cannot deform along with the deformation of the welding piece, so that the failure of the local liner action and the welding defects such as welding penetration and the like are easily generated, the repair is caused, the production efficiency is reduced, and the cost is increased; the liner laid during longitudinal seam submerged-arc welding of the large-diameter long cylinder of the thin plate is generally rigidly supported by the longitudinal seam of the traditional submerged-arc welding, the position of the liner cannot be adjusted, and the liner is separated from the cylinder body when the cylinder deforms in the welding process, so that the liner loses effect and the welding seam is repaired.
Disclosure of Invention
The invention provides a back gasket self-supporting device for longitudinal seam submerged arc welding of a large-diameter long cylinder with a thin plate, aiming at the defects, wherein the back gasket self-supporting device comprises a base and two rollers, one end of the base is provided with a supporting frame with the height consistent with that of the top end of the base, two sides of the top end of the supporting frame are respectively provided with a bearing seat, one end of the base, far away from the supporting frame, is provided with the same bearing seat symmetrical with the bearing seat on the supporting frame, two ends of each roller are respectively provided with a shaft, and the two rollers are respectively arranged on the base in parallel and connected with the bearing seats through the shafts; and one end of the base is provided with a motor, and an output shaft of the motor is connected with a shaft on one of the rollers.
Preferably, a welding flux tray is arranged between the two rollers, a fire fighting belt is arranged at one end of the welding flux tray, a fire fighting belt outer joint is arranged on the fire fighting belt, and a gas rope joint is connected to the fire fighting belt outer joint.
Preferably, the bottom end of the fire hose is provided with a fire hose bracket for supporting the fire hose.
Preferably, the flux tray is a hard asbestos cloth material.
Has the advantages that: compared with the prior art, the fire-fighting belt of the fire-fighting article is used as the inflatable cushion, so that compressed air with certain pressure is filled in the fire-fighting belt, the cylinder section, the welding flux and the welding flux tray are pressed on the fire-fighting belt, the fire-fighting belt can generate certain deformation, and when the cylinder section is locally deformed, the fire-fighting belt is locally bulged due to the reduction of the pressure, so that the welding flux is always tightly attached to the cylinder section, and the function of the cushion cannot be lost; the flux tray 5 is made of hard asbestos cloth material, and the material can resist high temperature and has certain rigidity, can maintain a certain shape and cannot damage the flux due to high temperature; the invention solves the problem of weld joint repair caused by deformation in the welding process of the longitudinal seam submerged-arc welding of the large-diameter long cylinder of the thin plate in one step, improves the efficiency, reduces the repair cost and improves the welding quality.
Drawings
FIG. 1 is a top view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
In the drawings: 1-base, 2-shaft, 3-bearing seat, 4-roller, 5-welding flux tray, 6-fire fighting belt, 7-fire fighting belt external joint, 8-air rope joint, 9-supporting frame, 10-motor and 12-fire fighting belt bracket.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
Referring to the attached drawings of the specification, in the embodiment of the invention, the self-supporting device for the back gasket of the longitudinal seam submerged arc welding of the long and round cylinder with the large diameter comprises a base 1 and two rollers 4, wherein one end of the base 1 is provided with a supporting frame 9 with the same height as the top end of the base 1, two sides of the top end of the supporting frame 9 are respectively provided with a bearing seat 3, one end of the base 1, which is far away from the supporting frame 9, is provided with a bearing seat 13 which is symmetrical to the bearing seat 13 on the supporting frame 9, two ends of each roller 4 are respectively provided with a shaft 2, and the two rollers 4 are respectively arranged on the base 1 in parallel and connected with the bearing seats 3 through the shafts 2; one end of the base 1 is provided with a motor 10, and an output shaft of the motor 10 is connected with a shaft 2 on one of the rollers 4.
Furthermore, a welding flux tray 5 is arranged between the two rollers 4, one end of the welding flux tray 5 is provided with a fire belt 6, the fire belt 6 is provided with a fire belt external joint 7, the fire belt external joint 7 is connected with a gas rope joint 8, and the fire belt external joint 7 is used for fixing the gas rope joint; the fire-fighting belt 6 adopts the fire-fighting article fire-fighting belt 6 as an inflatable cushion, and like this, the compressed air with certain pressure is filled in the fire-fighting belt 6, and the shell ring, the welding flux and the welding flux tray 5 are pressed on the upper side, and the fire-fighting belt 6 can generate certain deformation, and when the local deformation of the shell ring occurs, the fire-fighting belt 6 is locally bulged because of the pressure reduction, thereby ensuring that the welding flux and the shell ring are always attached tightly, and the cushion can not be lost.
Further, the bottom of fire hose 6 is provided with fire hose support 12 that is used for supporting fire hose 6, the fire hose support is the rigidity recess, has guaranteed that fire hose 6 can upwards take place to warp, can not control or warp downwards, has guaranteed that fire hose 6 lifts the effect of solder flux.
Further, the flux tray 5 is made of a hard asbestos cloth material, which is resistant to high temperature and has a certain rigidity, and can maintain a certain shape without being damaged by high temperature.
The invention solves the problem of weld joint repair caused by deformation in the welding process of the longitudinal seam submerged-arc welding of the large-diameter long cylinder of the thin plate in one step, improves the efficiency, reduces the repair cost and improves the welding quality.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Claims (4)
1. The utility model provides a sheet metal major diameter long cylinder longitudinal joint submerged arc welding back liner is from holding up tight device which characterized in that: the roller type rotary drum comprises a base (1) and two rollers (4), wherein a supporting frame (9) which is consistent with the top end of the base (1) in height is arranged at one end of the base (1), bearing seats (3) are respectively arranged at two sides of the top end of the supporting frame (9), the same bearing seats (13) which are symmetrical with the bearing seats (13) on the supporting frame (9) are arranged at one end, far away from the supporting frame (9), of the base (1), shafts (2) are respectively arranged at two ends of each roller (4), and the two rollers (4) are respectively arranged on the base (1) in parallel and connected with the bearing seats (3) through the shafts (2); one end of the base (1) is provided with a motor (10), and an output shaft of the motor (10) is connected with a shaft (2) on one of the rollers (4).
2. The self-supporting device for the back liner of the large-diameter long cylindrical longitudinal seam submerged arc welding of the thin plate according to claim 1, is characterized in that: two be provided with solder flux tray (5) between cylinder (4), the one end of solder flux tray (5) is provided with fire-fighting belt (6), be provided with fire-fighting belt external joint (7) on fire-fighting belt (6), it is provided with gas rope joint (8) to connect on fire-fighting belt external joint (7).
3. The self-supporting device for the back liner of the large-diameter long cylindrical longitudinal seam submerged arc welding of the thin plate according to claim 1, is characterized in that: the bottom end of the fire-fighting belt (6) is provided with a fire-fighting belt bracket (12) for supporting the fire-fighting belt (6).
4. The self-supporting device for the back liner of the large-diameter long cylindrical longitudinal seam submerged arc welding of the thin plate according to claim 1, is characterized in that: the flux tray (5) is made of hard asbestos cloth material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210075116.6A CN114226915A (en) | 2022-01-22 | 2022-01-22 | Self-supporting device for back liner of longitudinal seam submerged-arc welding of large-diameter long cylinder of thin plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210075116.6A CN114226915A (en) | 2022-01-22 | 2022-01-22 | Self-supporting device for back liner of longitudinal seam submerged-arc welding of large-diameter long cylinder of thin plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114226915A true CN114226915A (en) | 2022-03-25 |
Family
ID=80746932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210075116.6A Pending CN114226915A (en) | 2022-01-22 | 2022-01-22 | Self-supporting device for back liner of longitudinal seam submerged-arc welding of large-diameter long cylinder of thin plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114226915A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5592298A (en) * | 1979-01-06 | 1980-07-12 | Sumitomo Metal Ind Ltd | Gas pressure control method of welding gas backing |
| CN101829866A (en) * | 2009-03-13 | 2010-09-15 | 尹克芳 | Novel graphite slider-type circumferential soldering flux cushion |
| CN203003319U (en) * | 2013-01-07 | 2013-06-19 | 浙江诚信医化设备有限公司 | Air bag type soldering flux cushion structure for submerged arc welding |
| CN104551354A (en) * | 2014-12-25 | 2015-04-29 | 渤海船舶重工有限责任公司 | Protective anti-oxidation welding method of liner plate or air blowpipe |
| CN110480133A (en) * | 2019-08-01 | 2019-11-22 | 安徽中联绿建钢构科技有限公司 | A kind of submerged-arc welding single face welding and double face shaping technique |
-
2022
- 2022-01-22 CN CN202210075116.6A patent/CN114226915A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5592298A (en) * | 1979-01-06 | 1980-07-12 | Sumitomo Metal Ind Ltd | Gas pressure control method of welding gas backing |
| CN101829866A (en) * | 2009-03-13 | 2010-09-15 | 尹克芳 | Novel graphite slider-type circumferential soldering flux cushion |
| CN203003319U (en) * | 2013-01-07 | 2013-06-19 | 浙江诚信医化设备有限公司 | Air bag type soldering flux cushion structure for submerged arc welding |
| CN104551354A (en) * | 2014-12-25 | 2015-04-29 | 渤海船舶重工有限责任公司 | Protective anti-oxidation welding method of liner plate or air blowpipe |
| CN110480133A (en) * | 2019-08-01 | 2019-11-22 | 安徽中联绿建钢构科技有限公司 | A kind of submerged-arc welding single face welding and double face shaping technique |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220325 |