CN110587215A - Pull rod device for adjusting gap by assembling large-diameter pipeline welded junction - Google Patents
Pull rod device for adjusting gap by assembling large-diameter pipeline welded junction Download PDFInfo
- Publication number
- CN110587215A CN110587215A CN201910820026.3A CN201910820026A CN110587215A CN 110587215 A CN110587215 A CN 110587215A CN 201910820026 A CN201910820026 A CN 201910820026A CN 110587215 A CN110587215 A CN 110587215A
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- China
- Prior art keywords
- spiral sleeve
- pull rod
- rod device
- handed thread
- screw
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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
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention particularly relates to a pull rod device for adjusting a gap by assembling a large-diameter pipeline welded junction, which is characterized in that: the connecting lug plate comprises connecting lug plates, screw rods, bolts and spiral sleeve pipes, wherein the spiral sleeve pipes are pipe fittings of which two ends are provided with internal threads and the internal threads are matched with the screw rods; the two screws are respectively a right-handed thread screw and a left-handed thread screw, and the heads of the screws are provided with U-shaped connecting parts. The pull rod device adopting the structure and the method has the advantages that compared with the traditional large-diameter pipeline weld crater assembly gap adjusting method, the pull rod device is simple in structure and convenient to manufacture and install, the weld crater gap of the large-diameter pipeline is finely adjusted through the spiral sleeve, the assembly is safe and reliable, short in time consumption, high in efficiency and high in adjusting precision, and the pull rod device has higher popularization and use values.
Description
Technical Field
The invention relates to the field of metallurgical industry construction, in particular to a pull rod device for adjusting a gap by assembling a large-diameter pipeline welded junction.
Background
At present, metallurgical engineering single set scale is bigger and bigger more and more, and in the engineering implementation, the heavy-calibre pipeline accounts for and also increases correspondingly, and when the pipeline is prefabricated, need according to design data requirement, with the pipe cutting, the back is polished to the groove, with the pipeline accessory group to right, because there is not the group to the platform, when ground carries out the group of great bore pipeline weld joint to right, for quality standard requirements such as satisfying group to clearance, unfitness of butt joint, adopt crow bar, chain block to carry out position adjustment through the manual work usually. Crowbar cooperation back chain is drawn and is dragged and increase workman intensity of labour promptly and can't the accurate adjustment weld opening clearance again, influences welding quality, if draw and take place the back chain fracture when dragging, then harm workman personal safety.
Disclosure of Invention
The invention aims to overcome the defects and provides a pull rod device for adjusting the gap of a large-diameter pipeline welded junction group.
In order to achieve the above object, the present invention is realized by:
a pull rod device for adjusting gaps of large-diameter pipeline welded junction groups comprises connecting lug plates, screw rods, bolts and spiral sleeves, wherein the spiral sleeves are pipe fittings of which two ends are provided with internal threads and the internal threads are matched with the screw rods; the two screws are respectively a right-handed thread screw and a left-handed thread screw, and the heads of the screws are provided with U-shaped connecting parts.
The pull rod device for the large-diameter pipeline welded junction group to adjust the gap is hollow in the middle of the spiral sleeve, and after two ends of the pull rod device are connected with the screw rod, the screwing-in condition of the screw rod can be observed through the hollow in the middle.
The use method of the pull rod device comprises
Step 1, forming a circular hole in the centers of two connecting lug plates;
step 2, the two pin shafts respectively penetrate through the central circular holes of the two connecting lug plates and then are respectively connected with the U-shaped connecting parts of the right-handed thread screw and the left-handed thread screw,
step 3, screwing the screw threads of the right-handed thread screw rod and the left-handed thread screw rod into two ends of the spiral sleeve and exposing the screw threads to a length of not less than 10 mm;
step 4, respectively welding the bottoms of the two connecting lug plates on the inner walls of the pipelines at two sides of the pipe orifice to be welded, wherein the welding line is a parallel intermittent welding line;
step 5, rotating the spiral sleeve to draw the pipe orifices to be welded at two sides close; the welding openings to be welded are drawn close by rotating the spiral sleeve, so that the gaps of the welding openings meet the requirements;
step 6, carrying out misalignment correction: and the wedge is used for correcting the misalignment of the pipe orifice so as to ensure the welding quality of the welded junction, thereby finishing the gap adjustment.
The pull rod device adopting the structure and the method has the advantages that compared with the traditional large-diameter pipeline weld crater assembly gap adjusting method, the pull rod device is simple in structure and convenient to manufacture and install, the weld crater gap of the large-diameter pipeline is finely adjusted through the spiral sleeve, the assembly is safe and reliable, short in time consumption, high in efficiency and high in adjusting precision, and the pull rod device has higher popularization and use values.
Drawings
Fig. 1 is a schematic structural view of the pull rod device.
Fig. 2 is a schematic structural view of the pull rod device after being adjusted in place.
Fig. 3 is a schematic view of the use state of the pull rod device.
Detailed Description
The invention is further illustrated by the following specific examples.
As shown in fig. 1 ~ and fig. 3, a pull rod device for adjusting gap of large-diameter pipeline welded junction group comprises a connecting lug plate 1, two screws 2,3, a bolt 4 and a spiral sleeve 5, wherein the spiral sleeve 5 is a pipe fitting with internal threads at two ends and matched with the screws 2 and 3, the screws 2 and 3 are respectively connected with two ends of the spiral sleeve 5 through thread engagement, the other ends of the screws 2 and 3 are connected with the connecting lug plate 1 through the bolt 4, the connecting lug plate 1 is also provided with two screws which are respectively connected with pipeline ports 6 and 8 to be connected at two ends in a welding manner, the two screws 2 and 3 are respectively a right-handed thread screw and a left-handed thread screw, and the heads of the screws 2 and 3 are provided with U-shaped connecting parts.
The pull rod device for the large-diameter pipeline weld joint group to adjust the gap is characterized in that the middle of the spiral sleeve 5 is hollowed, and after two ends of the spiral sleeve are connected with the screws 2 and 3, the screwing-in conditions of the screws 2 and 3 can be observed through the hollowed middle.
The use method of the pull rod device comprises
Step 1, forming a circular hole in the centers of two connecting lug plates;
step 2, the two pin shafts respectively penetrate through the central circular holes of the two connecting lug plates and then are respectively connected with the U-shaped connecting parts of the right-handed thread screw and the left-handed thread screw,
step 3, screwing the screw threads of the right-handed thread screw rod and the left-handed thread screw rod into two ends of the spiral sleeve and exposing the screw threads to a length of not less than 10 mm;
step 4, respectively welding the bottoms of the two connecting lug plates on the inner walls of the pipelines at two sides of the pipe orifice to be welded, wherein the welding line is a parallel intermittent welding line;
step 5, rotating the spiral sleeve to draw the pipe orifices to be welded at two sides close; the welding openings to be welded are drawn close by rotating the spiral sleeve, so that the gaps of the welding openings meet the requirements;
step 6, carrying out misalignment correction: and the wedge is used for correcting the misalignment of the pipe orifice so as to ensure the welding quality of the welded junction, thereby finishing the gap adjustment.
The pull rod device adopting the structure and the method has the advantages that compared with the traditional large-diameter pipeline weld crater assembly gap adjusting method, the pull rod device is simple in structure and convenient to manufacture and install, the weld crater gap of the large-diameter pipeline is finely adjusted through the spiral sleeve, the assembly is safe and reliable, short in time consumption, high in efficiency and high in adjusting precision, and the pull rod device has higher popularization and use values.
Claims (3)
1. The utility model provides a pull rod device that is used for heavy-calibre pipeline welded junction group to adjust clearance which characterized by: the connecting lug plate comprises connecting lug plates, screw rods, bolts and spiral sleeve pipes, wherein the spiral sleeve pipes are pipe fittings of which two ends are provided with internal threads and the internal threads are matched with the screw rods; the two screws are respectively a right-handed thread screw and a left-handed thread screw, and the heads of the screws are provided with U-shaped connecting parts.
2. The pull rod device for adjusting the gap of the large-diameter pipeline welded junction group according to claim 1, which is characterized in that: the middle part of the spiral sleeve is hollowed, and after the two ends of the spiral sleeve are connected with the screw rod, the screwing-in condition of the screw rod can be observed through the hollowed part in the middle part.
3. The method of using the tie rod assembly of claim 1, wherein: comprises that
Step 1, forming a circular hole in the centers of two connecting lug plates;
step 2, the two pin shafts respectively penetrate through the central circular holes of the two connecting lug plates and then are respectively connected with the U-shaped connecting parts of the right-handed thread screw and the left-handed thread screw,
step 3, screwing the screw threads of the right-handed thread screw rod and the left-handed thread screw rod into two ends of the spiral sleeve and exposing the screw threads to a length of not less than 10 mm;
step 4, respectively welding the bottoms of the two connecting lug plates on the inner walls of the pipelines at two sides of the pipe orifice to be welded, wherein the welding line is a parallel intermittent welding line;
step 5, rotating the spiral sleeve to draw the pipe orifices to be welded at two sides close; the welding openings to be welded are drawn close by rotating the spiral sleeve, so that the gaps of the welding openings meet the requirements;
step 6, carrying out misalignment correction: and the wedge is used for correcting the misalignment of the pipe orifice so as to ensure the welding quality of the welded junction, thereby finishing the gap adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910820026.3A CN110587215A (en) | 2019-08-31 | 2019-08-31 | Pull rod device for adjusting gap by assembling large-diameter pipeline welded junction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910820026.3A CN110587215A (en) | 2019-08-31 | 2019-08-31 | Pull rod device for adjusting gap by assembling large-diameter pipeline welded junction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110587215A true CN110587215A (en) | 2019-12-20 |
Family
ID=68856868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910820026.3A Pending CN110587215A (en) | 2019-08-31 | 2019-08-31 | Pull rod device for adjusting gap by assembling large-diameter pipeline welded junction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110587215A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643239A (en) * | 2021-01-28 | 2021-04-13 | 中国二十二冶集团有限公司 | Fixing device for butt-joint assembly connection of pipelines and pipeline butt-joint method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091377A (en) * | 1995-06-14 | 1997-01-07 | Eihou Bussan Kk | Jig for preventing deformation of welding base metal |
| JPH10258393A (en) * | 1997-03-14 | 1998-09-29 | Fujita Corp | Fixing device of welding part backing metal of steel beam end |
| CN202910514U (en) * | 2012-11-16 | 2013-05-01 | 南车二七车辆有限公司 | Lateral wall assembling pressing device of concave-bottom double-layer train special for transporting cars |
| KR20130060713A (en) * | 2011-11-30 | 2013-06-10 | 현대중공업 주식회사 | A magnet holder structure for welding rail |
| CN203125045U (en) * | 2013-03-22 | 2013-08-14 | 西安煤矿机械有限公司 | Positioning pulling rod for adjacent boards |
| CN206732420U (en) * | 2016-12-23 | 2017-12-12 | 海安汇珏网络通信设备有限公司 | A kind of drawing horse structure of welding tooling |
| CN206854900U (en) * | 2017-05-10 | 2018-01-09 | 大连船舶工程技术研究中心有限公司 | Pull bar frock for fixation steel plate |
-
2019
- 2019-08-31 CN CN201910820026.3A patent/CN110587215A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH091377A (en) * | 1995-06-14 | 1997-01-07 | Eihou Bussan Kk | Jig for preventing deformation of welding base metal |
| JPH10258393A (en) * | 1997-03-14 | 1998-09-29 | Fujita Corp | Fixing device of welding part backing metal of steel beam end |
| KR20130060713A (en) * | 2011-11-30 | 2013-06-10 | 현대중공업 주식회사 | A magnet holder structure for welding rail |
| CN202910514U (en) * | 2012-11-16 | 2013-05-01 | 南车二七车辆有限公司 | Lateral wall assembling pressing device of concave-bottom double-layer train special for transporting cars |
| CN203125045U (en) * | 2013-03-22 | 2013-08-14 | 西安煤矿机械有限公司 | Positioning pulling rod for adjacent boards |
| CN206732420U (en) * | 2016-12-23 | 2017-12-12 | 海安汇珏网络通信设备有限公司 | A kind of drawing horse structure of welding tooling |
| CN206854900U (en) * | 2017-05-10 | 2018-01-09 | 大连船舶工程技术研究中心有限公司 | Pull bar frock for fixation steel plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643239A (en) * | 2021-01-28 | 2021-04-13 | 中国二十二冶集团有限公司 | Fixing device for butt-joint assembly connection of pipelines and pipeline butt-joint method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20191220 |