CN204075612U - A kind of welding device of large diameter steel pipe - Google Patents
A kind of welding device of large diameter steel pipe Download PDFInfo
- Publication number
- CN204075612U CN204075612U CN201420223473.3U CN201420223473U CN204075612U CN 204075612 U CN204075612 U CN 204075612U CN 201420223473 U CN201420223473 U CN 201420223473U CN 204075612 U CN204075612 U CN 204075612U
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- CN
- China
- Prior art keywords
- steel pipe
- carrying roller
- support pedestal
- axial support
- large diameter
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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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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000003466 welding Methods 0.000 title claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 238000003032 molecular docking Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A welding device for large diameter steel pipe, comprises the axial support pedestal for supporting steel pipe, and on this axial support pedestal, distribution arranges the axial displacement carrying roller of steel pipe and radial carrying roller; Also be provided with the annular girder being positioned at steel pipe periphery at axial support pedestal, the item that on described annular girder, annular spread arranges radial fixing steel pipe docking end pushes away and item pressure mold.This welder structural design is compact, it once can complete the welding operation of plurality of sections of steel pipes, substantially increase production efficiency and improve counterpart precision, maximum counterpart deviation from circular from is made to be 2mm, and labor strength can be alleviated, improve job site occupational health condition, this welder can meet enterprise automation, mechanization production needs, comprehensively reduces production cost.
Description
Technical field
The utility model belongs to the manufacturing technology of main support component of science of bridge building, Wharf Engineering, is specifically related to a kind of large diameter steel pipe forms steel-pipe pile welding device in docking welding.
Background technology
In prior art, steel-pipe pile is the main support component of science of bridge building, Wharf Engineering, and the length of pipe section of steel-pipe pile can reach tens of rice on request, when actual steel-pipe pile is produced in workshop, first needing to roll length is the pipeline section that about 2.5m diameter does not wait, after external welding in longitudinal joint, then carry out the axis splicing of pipeline section, for convenience of road transport, in workshop, processing length is generally 12.5m, after being transported to assembled scene, be assembled into specific length, finally form the steel-pipe pile of length on request.When being grouping welding to the steel-pipe pile pipeline section of segmentation, adopt following traditional handicraft: the simple and easy carrying roller arranging respective numbers in place, workshop by the length of single steel pipe and splicing length always; Then tire at the bottom of levelling, to look for straight rear formation steel pipe docking is carried out to carrying roller; Carrying out alignment clearance adjustment, first hanging the two ends of steel pipe pipeline section with overhead traveling crane, steel pipe pipeline section is being hung on assembled carrying roller, then to sling by the waist steel pipe pipe nipple with overhead traveling crane, vertical shift, the alignment clearance of adjustment tube coupling; The radial ovality of last counterpart and faulting of slab ends adjustment, L-type numeral point is welded in the faulting of slab ends lower of side pipe port, with sledgehammer, iron wedge is driven in the gap of opposite side pipe end and L-type numeral, iron wedge coordinates with L-type numeral, carry out adjustment faulting of slab ends height, measure with guiding ruler again, reach the object that two pipe outer walls are concordant, then spot welding sealing.Above-mentioned technique is outmoded, wastes time and energy, and docking two-port needs about 1.5 hours, and hammer blow is large, and site operation personnel fatiguability, affects construction worker's occupational health, there is potential safety hazard.
Utility model content
The utility model provides the welding device of the rational large diameter steel pipe of a kind of compact conformation, it once can complete the welding operation of plurality of sections of steel pipes, substantially increase production efficiency and improve counterpart precision, maximum counterpart deviation from circular from is made to be 2mm, and labor strength can be alleviated, improve job site occupational health condition, this welder can meet enterprise automation, mechanization production needs, comprehensively reduces production cost.
The technical scheme that the utility model adopts is as follows:
A welding device for large diameter steel pipe, is characterized in that described welder comprises the axial support pedestal for supporting steel pipe, and on this axial support pedestal, distribution arranges the axial displacement carrying roller of steel pipe and radial carrying roller;
Also be provided with the annular girder being positioned at steel pipe periphery at axial support pedestal, on described annular girder, annular spread arranges pushing tow and the item pressure mold of radial fixing steel pipe docking end.
In detailed description of the invention, described axial support pedestal is steel structure fixed pedestal, this axial support pedestal is extended along the axial direction of steel pipe, one end docking of this axial support pedestal arranges the welding equipment moved axially along steel pipe, and annular girder is fixedly installed on the one end near the axial support pedestal catching up with welding equipment.
In one embodiment, described axial displacement carrying roller be perpendicular to steel shaft to and horizontally disposed V-type carrying roller, the middle part of this V-type carrying roller has the recess of adjustment steel pipe automatic centering.
In one embodiment, described radial carrying roller comprises the adjusting center carrying roller be oppositely arranged, and this adjusting center carrying roller pushes away device by hydraulic pressure item and arranges along guidance set pushing tow carrying roller base.
In one embodiment, form the adjustable setting of spacing of the adjusting center carrying roller of one group of radial carrying roller.
In another embodiment, described annular girder is equilateral polygon steel constructed beam, this annular girder is uniformly distributed arrange hydraulic-driven item and push away device installing hole and the fluid pressure drive device installing fixed radial pushing tow.
Again in an embodiment, the end of two steel pipes to be welded carries out aiming at rear fixing item pressure mold by the front end assembling of described fluid pressure drive device.
It is spacing that the utility model can adopt hydraulic driving mode to realize when the movement of steel pipe and welding, the group that can be applicable to φ 1000mm ~ φ 1800mm steel pipe to interior boxing use, the control of hydraulic jack adopts infrared ray or travel switch to control.The mode that moves axially of steel-pipe pile adopts axial displacement carrying roller and its drive unit, whole equipment reasonable in design compact.
The welding device of this large diameter steel pipe extends welding sequence to the group of steel pipe to counterpart operation, inner ring welding sequence and lifting by mobile device and completes the group of steel pipe to docking welding.When after the first handling steel tubes to axial support pedestal, by the driving of axial displacement carrying roller the weld port of steel pipe moved to the counterpart position in annular girder, this position can be located automatically by infra-red detection; Second lifting steel pipes, to the other end on axial support pedestal, by rotation or the hydraulically powered lifting of radial carrying roller, and then moves the second steel pipe by axial displacement carrying roller and realizes docking of weld port with the second steel pipe; The pushing tow arranged by circumference distribution on annular girder and top pressure mold, under hydraulic-driven, two adjacent port of steel pipes are carried out aliging and fixing, the fixing welding of craft port weld seam can be carried out after the detection of counterpart precision is qualified, next step inner ring welder sequence after fixing welding completes, can be entered; The welding equipment moved axially along steel pipe can be utilized directly to be deep into welding position in inner ring welder sequence, by the rotatable engagement of radial carrying roller, complete inner ring welding.Namely lifting extends welding sequence is repeat above-mentioned operation, 3rd steel pipe is welded port with the group of the second steel pipe, now, only need the first and second steel pipe axial displacements of will have been welded by axial displacement carrying roller, the placement location vacating the 3rd steel pipe in the side of annular girder can carry out follow-up welding sequence.
The beneficial effects of the utility model are, the welding apparatus structure of this large diameter steel pipe is compact to design, it once can complete the welding operation of plurality of sections of steel pipes, substantially increase production efficiency and improve counterpart precision, maximum counterpart deviation from circular from is made to be 2mm, and labor strength can be alleviated, improve job site occupational health condition, this welder can meet enterprise automation, mechanization production needs, comprehensively reduces production cost.
Below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the welding device of this large diameter steel pipe forms primarily of axial support pedestal, annular girder and welding equipment.The axial support pedestal of supporting steel pipe is steel structure fixed pedestal, and this axial support pedestal is extended along the axial direction of steel pipe, and on this axial support pedestal, distribution arranges the axial displacement carrying roller of steel pipe and radial carrying roller; Also be provided with the annular girder being positioned at steel pipe periphery at axial support pedestal, on described annular girder, annular spread arranges pushing tow and the item pressure mold of radial fixing steel pipe docking end.One end docking of axial support pedestal arranges the welding equipment moved axially along steel pipe, and annular girder is fixedly installed on the one end near the axial support pedestal catching up with welding equipment.
Axial displacement carrying roller be perpendicular to steel shaft to and horizontally disposed V-type carrying roller, the middle part of this V-type carrying roller has the recess of adjustment steel pipe automatic centering.Radial carrying roller comprises the adjusting center carrying roller be oppositely arranged, and this adjusting center carrying roller is arranged along guidance set pushing tow carrying roller base by hydraulic top pushing device.Form the adjustable setting of spacing of the adjusting center carrying roller of one group of radial carrying roller.Annular girder is equilateral polygon steel constructed beam, this annular girder is uniformly distributed and arranges hydraulic-driven thrustor installing hole and the fluid pressure drive device installing fixed radial pushing tow.The end of two steel pipes to be welded carries out aiming at rear fixing top pressure mold by the front end assembling of fluid pressure drive device.In embody rule as shown in Figure 4, annular girder is positive 12 side's polygon box band base support structure, and base support structure connects form with pedestal be bearing pin precision positioning, bolted.On annular girder, uniform 6 hydraulic cylinders install bore, use in order to installing pushing tow hydraulic cylinder.Inner with uniform 6 the 50t hydraulic cylinder installing holes of central shaft, hydraulic cylinder is installed and is adopted sleeve type, has external screw thread bottom hydraulic cylinder, adopts special nut to install location.Assembling top, the front end pressure mold of this hydraulic cylinder, fixing after the end of two steel pipes to be welded being carried out aligning.Annular girder bottom is welded with the base in strap bolt hole, and all corresponding 4 alignment pin in each grade bolt hole, convenient, accurate adjustment height is to adapt to the steel-pipe pile of different-diameter.
Accompanying drawing explanation
Fig. 1 is a status architecture schematic diagram of the utility model detailed description of the invention;
Fig. 2 is another status architecture schematic diagram of the utility model detailed description of the invention;
Fig. 3 is the structural representation of annular girder in the utility model detailed description of the invention;
Fig. 4 is the structural representation of axial displacement carrying roller in the utility model detailed description of the invention;
Claims (7)
1. a welding device for large diameter steel pipe, is characterized in that described welder comprises the axial support pedestal for supporting steel pipe, and on this axial support pedestal, distribution arranges the axial displacement carrying roller of steel pipe and radial carrying roller;
Also be provided with the annular girder being positioned at steel pipe periphery at axial support pedestal, on described annular girder, annular spread arranges pushing tow and the top pressure mold of radial fixing steel pipe docking end.
2. the welding device of large diameter steel pipe according to claim 1, it is characterized in that described axial support pedestal is steel structure fixed pedestal, this axial support pedestal is extended along the axial direction of steel pipe, one end docking of this axial support pedestal arranges the welding equipment moved axially along steel pipe, and annular girder is fixedly installed on the one end near the axial support pedestal catching up with welding equipment.
3. the welding device of large diameter steel pipe according to claim 1, it is characterized in that described axial displacement carrying roller for perpendicular to steel shaft to and horizontally disposed V-type carrying roller, the middle part of this V-type carrying roller has the recess of adjustment steel pipe automatic centering.
4. the welding device of large diameter steel pipe according to claim 1, is characterized in that described radial carrying roller comprises the adjusting center carrying roller be oppositely arranged, and this adjusting center carrying roller is arranged along guidance set pushing tow carrying roller base by hydraulic top pushing device.
5. the welding device of large diameter steel pipe according to claim 1, is characterized in that the adjustable setting of spacing of the adjusting center carrying roller of the radial carrying roller of formation one group.
6. the welding device of large diameter steel pipe according to claim 1, it is characterized in that described annular girder is equilateral polygon steel constructed beam, this annular girder is uniformly distributed and hydraulic-driven item is set pushes away device installing hole and the fluid pressure drive device installing fixed radial pushing tow.
7. the welding device of large diameter steel pipe according to claim 6, is characterized in that the end of two steel pipes to be welded carries out aiming at rear fixing item pressure mold by the front end assembling of described fluid pressure drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223473.3U CN204075612U (en) | 2014-05-05 | 2014-05-05 | A kind of welding device of large diameter steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223473.3U CN204075612U (en) | 2014-05-05 | 2014-05-05 | A kind of welding device of large diameter steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075612U true CN204075612U (en) | 2015-01-07 |
Family
ID=52168375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420223473.3U Expired - Lifetime CN204075612U (en) | 2014-05-05 | 2014-05-05 | A kind of welding device of large diameter steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204075612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081666A (en) * | 2014-05-05 | 2015-11-25 | 天津港航安装工程有限公司 | Pairing welding method for large-diameter steel pipes and pairing welding apparatus for same |
| CN105382480A (en) * | 2015-11-26 | 2016-03-09 | 天津冀恒新材料科技有限公司 | Steel pipe welding clamp |
-
2014
- 2014-05-05 CN CN201420223473.3U patent/CN204075612U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081666A (en) * | 2014-05-05 | 2015-11-25 | 天津港航安装工程有限公司 | Pairing welding method for large-diameter steel pipes and pairing welding apparatus for same |
| CN105382480A (en) * | 2015-11-26 | 2016-03-09 | 天津冀恒新材料科技有限公司 | Steel pipe welding clamp |
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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: 20150107 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhang Jianfu Document name: Notice of Termination of Patent Rights |