CN111001976A - Opening aligning device for large-diameter thin-wall pipeline and using method thereof - Google Patents
Opening aligning device for large-diameter thin-wall pipeline and using method thereof Download PDFInfo
- Publication number
- CN111001976A CN111001976A CN201811567749.9A CN201811567749A CN111001976A CN 111001976 A CN111001976 A CN 111001976A CN 201811567749 A CN201811567749 A CN 201811567749A CN 111001976 A CN111001976 A CN 111001976A
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- Prior art keywords
- jacking
- pipe fitting
- rods
- unit
- butt
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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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to the field of auxiliary equipment or processes for welding, in particular to a mouth aligning device for a large-diameter thin-walled pipeline and a using method thereof, wherein the mouth aligning device for the large-diameter thin-walled pipeline comprises a top support unit (1) and is characterized in that the top support unit (1) comprises support rods (11), top support rods (12), connecting rods (13) and jacks (14), the two support rods (11) are arranged in parallel, two ends of each support rod (11) are respectively screwed into one top support rod (12), the two support rods (11) are connected through at least two connecting rods (13), and one jack (14) is fixed on each connecting rod (13).
Description
Technical Field
The invention relates to the field of auxiliary equipment or processes for welding, in particular to a butt joint device for a large-diameter thin-wall pipeline and a using method thereof.
Background
In the construction of metallurgical pipelines (dust removal), large-caliber thin-walled pipelines (the outer diameter D is 1020-5020 mm, and the wall thickness sigma is less than or equal to 12 mm) are easy to deform at the caliber part due to the thin wall thickness, so that the construction difficulty of butt welding seams is high. In the construction process of the previous project, the butt joint operation is often carried out by adopting a welding wedge beating mode, the construction method is easy to cause the defects that the butt joint part is locally deformed, the welding seam is irregular in rounding, the damage to the painted paint is large, and the work of later-stage cutting, polishing and the like is increased. The large-diameter thin-wall pipeline aligning tool can synchronously splice diagonal weld joints, can meet the requirement of ensuring the size of the circumference of the weld joints through simple disassembly and assembly of the tool, does not cause damage to the pipeline basically, can adapt to the butt joint requirement of pipelines with similar size and calibers, and is easy to find in a measure material construction site.
Disclosure of Invention
The invention discloses a butt joint device for a large-diameter thin-wall pipeline and a using method thereof, and aims to overcome the defects of the prior art and provide a welding auxiliary tool which is simple to manufacture, low in cost, safe, reliable and capable of improving efficiency.
The invention achieves the purpose by the following technical scheme:
the utility model provides a to mouthful device for big pipe diameter thin wall pipeline, includes the shore unit, characterized by: the jacking unit comprises supporting rods, jacking rods, connecting rods and jacks, wherein the two supporting rods are arranged in parallel, internal threads are respectively arranged at two ends of each supporting rod, external threads matched with the internal threads of the supporting rods are arranged on the outer side surfaces of the jacking rods, the two ends of each supporting rod are respectively screwed into one jacking rod, the two supporting rods are connected through at least two connecting rods, one jack is fixed on each connecting rod, and the jacking ends of the jacks are arranged in a back-to-back mode.
The butt joint device for the large-diameter thin-wall pipeline is characterized in that: the connecting rod is channel steel with the cross section shaped like Contraband.
The using method of the aligning device for the large-diameter thin-wall pipeline is characterized in that: the method is implemented in sequence according to the following steps:
① putting in, namely screwing a top stay bar into the supporting bar to retract the jacking end of the jack, and putting the top stay unit into the butt weld joint of the pipe fittings to be welded;
② straightening, namely screwing out the top stay bar to make the outer end of the top stay bar abut against the inner side wall of the pipe fitting, so as to support the top stay unit on the inner side wall of the pipe fitting, make the jacking end of the jack extend out and abut against the inner side wall of the pipe fitting, and straighten the opposite angle of the butt weld of the pipe fitting;
③ spot welding on the outside of the pipe;
④ repeating the steps of detaching the jacking unit, installing the jacking unit to another position of the butt-welded pipe fitting, and spot-welding the jacking end of the jack to the other position of the butt-welded pipe fitting and the outer part of the pipe fitting until the butt-welded pipe fitting is completely butted.
The invention solves the problem of butt joint work of the large-diameter thin-wall pipeline during welding, and has the following beneficial effects:
1. the manufacturing is simple, the cost is low, and the recycling property is high;
2. the roundness of the butt welding seam can be ensured, and the welding quality is high;
3. the defect that a welding wedge beating mode is adopted originally is overcome, the beating mode is adopted, the assembly difficulty of the upper weld crater is extremely high, an operator needs to set up a scaffold and beat the scaffold upwards, the efficiency is low, and danger exists; the invention improves the butt joint operability and safety of all angles of the welding line and also improves the working efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A butt joint device for large-diameter thin-walled pipelines comprises a top support unit 1, as shown in figure 1, the butt joint device has the following specific structure: the top bracing unit 1 comprises supporting rods 11, top bracing rods 12, connecting rods 13 and jacks 14, wherein the two supporting rods 11 are arranged in parallel, internal threads are respectively arranged at two ends of each supporting rod 11, external threads matched with the internal threads of the supporting rods 11 are arranged on the outer side surfaces of the top bracing rods 12, the two ends of each supporting rod 11 are screwed into one top bracing rod 12 respectively, the two supporting rods 11 are connected through at least two connecting rods 13, one jack 14 is fixed on each connecting rod 13, and the jacking ends of the jacks 14 are arranged in a back-to-back mode.
In this embodiment: the connecting rod 13 is a channel steel with the cross section shaped like Contraband.
When the method is used, the steps are implemented in sequence as follows:
① putting in, namely screwing the top supporting rod 12 into the supporting rod 11 to retract the jacking end of the jack 14, and putting the top supporting unit 1 into the butt-joint welding seam of the pipe fitting 2 to be welded;
② straightening, namely screwing out the top brace 12 to enable the outer end of the top brace 12 to prop against the inner side wall of the pipe fitting 2, so as to support the top brace unit 1 on the inner side wall of the pipe fitting 2, enable the jacking end of the jack 14 to extend out and prop against the inner side wall of the pipe fitting 2, and straighten the opposite angle of the butt weld of the pipe fitting 2;
③ spot welding, the spot welding is carried out on the outside of the pipe fitting 2;
④ repeating the steps of detaching the jacking unit 1, installing the jacking unit 1 to another position of the butt weld of the pipe 2, enabling the jacking end of the jack 14 to abut against another position of the butt weld of the pipe 2 and performing spot welding on the outside of the pipe 2, and repeating the steps until the butt joint of the whole weld of the pipe 2 is completed.
Claims (3)
1. The utility model provides a to mouthful device for big pipe diameter thin wall pipeline, includes shore unit (1), characterized by: the jacking unit (1) comprises supporting rods (11), jacking rods (12), connecting rods (13) and jacks (14), wherein the two supporting rods (11) are arranged in parallel, internal threads are respectively arranged at two ends of each supporting rod (11), external threads matched with the internal threads of the supporting rods (11) are arranged on the outer side faces of the jacking rods (12), the two ends of each supporting rod (11) are screwed into one jacking rod (12) respectively, the two supporting rods (11) are connected through at least two connecting rods (13), one jack (14) is fixed on each connecting rod (13), and jacking ends of the jacks (14) are arranged in a back-to-back mode.
2. The aligning device for the large-diameter thin-wall pipeline as claimed in claim 1, wherein: the connecting rod (13) is a channel steel with the cross section shaped like Contraband.
3. The use method of the aligning device for the large-diameter thin-wall pipeline as claimed in claim 1 or 2 is characterized in that: the method is implemented in sequence according to the following steps:
① placing in the way that a jacking rod (12) is screwed into the supporting rod (11) to retract the jacking end of the jack (14), and the jacking unit (1) is placed at the butt weld joint of the pipe fitting (2) to be welded;
② straightening, namely screwing out the top stay bar (12) to enable the outer end of the top stay bar (12) to prop against the inner side wall of the pipe fitting (2), thereby supporting the top stay unit (1) on the inner side wall of the pipe fitting (2), enabling the jacking end of the jack (14) to extend out and prop against the inner side wall of the pipe fitting (2), and straightening the opposite angle of the butt weld of the pipe fitting (2) to be flat;
③ spot welding, namely spot welding on the outer part of the pipe fitting (2);
④ repeating the steps of detaching the jacking unit (1), installing the jacking unit (1) to the other position of the butt-jointed seam of the pipe fitting (2), enabling the jacking end of the jack (14) to abut against the other position of the butt-jointed seam of the pipe fitting (2) and performing spot welding on the outside of the pipe fitting (2), and repeating the steps until the butt-jointed seam of the whole pipe fitting (2) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567749.9A CN111001976A (en) | 2018-12-21 | 2018-12-21 | Opening aligning device for large-diameter thin-wall pipeline and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567749.9A CN111001976A (en) | 2018-12-21 | 2018-12-21 | Opening aligning device for large-diameter thin-wall pipeline and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111001976A true CN111001976A (en) | 2020-04-14 |
Family
ID=70110570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567749.9A Pending CN111001976A (en) | 2018-12-21 | 2018-12-21 | Opening aligning device for large-diameter thin-wall pipeline and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111001976A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770023A (en) * | 2022-05-23 | 2022-07-22 | 徐州夏尔智能焊接研究院有限公司 | Full-automatic intelligent welding machine |
| CN115255295A (en) * | 2022-07-06 | 2022-11-01 | 栋梁铝业有限公司 | Aluminum alloy continuous casting ingot forming die based on multi-field coupling |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR991269A (en) * | 1949-05-13 | 1951-10-03 | Louvroil Montbard Aulnoye | Improvements in the manufacture of welded containers |
| SU634895A1 (en) * | 1977-06-07 | 1978-11-30 | Павлодарское Ремонто-Строительное Специализированное Управление Треста "Казцветметремонт" | Cylindrical shell assembling arrangement |
| US4177914A (en) * | 1978-02-06 | 1979-12-11 | Midcon Pipeline Equipment Co. | Rotary internal pipe clamp apparatus |
| US6119916A (en) * | 1998-10-23 | 2000-09-19 | Proline Pipe Equipment Inc. | Internal backup ring system |
| CN202571707U (en) * | 2012-03-21 | 2012-12-05 | 无锡圣贝尔机电有限公司 | Anti-deformation device for cylinder welding |
| CN103341531A (en) * | 2013-07-19 | 2013-10-09 | 中国水利水电第六工程局有限公司 | Inner support device for manufacturing penstock |
-
2018
- 2018-12-21 CN CN201811567749.9A patent/CN111001976A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR991269A (en) * | 1949-05-13 | 1951-10-03 | Louvroil Montbard Aulnoye | Improvements in the manufacture of welded containers |
| SU634895A1 (en) * | 1977-06-07 | 1978-11-30 | Павлодарское Ремонто-Строительное Специализированное Управление Треста "Казцветметремонт" | Cylindrical shell assembling arrangement |
| US4177914A (en) * | 1978-02-06 | 1979-12-11 | Midcon Pipeline Equipment Co. | Rotary internal pipe clamp apparatus |
| US6119916A (en) * | 1998-10-23 | 2000-09-19 | Proline Pipe Equipment Inc. | Internal backup ring system |
| CN202571707U (en) * | 2012-03-21 | 2012-12-05 | 无锡圣贝尔机电有限公司 | Anti-deformation device for cylinder welding |
| CN103341531A (en) * | 2013-07-19 | 2013-10-09 | 中国水利水电第六工程局有限公司 | Inner support device for manufacturing penstock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770023A (en) * | 2022-05-23 | 2022-07-22 | 徐州夏尔智能焊接研究院有限公司 | Full-automatic intelligent welding machine |
| CN115255295A (en) * | 2022-07-06 | 2022-11-01 | 栋梁铝业有限公司 | Aluminum alloy continuous casting ingot forming die based on multi-field coupling |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200414 |