CN103481005A - Alignment assisting mechanism for welding radial stud of pipeline - Google Patents
Alignment assisting mechanism for welding radial stud of pipeline Download PDFInfo
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- CN103481005A CN103481005A CN201310366626.XA CN201310366626A CN103481005A CN 103481005 A CN103481005 A CN 103481005A CN 201310366626 A CN201310366626 A CN 201310366626A CN 103481005 A CN103481005 A CN 103481005A
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- screw
- ball
- clamping plate
- side clamping
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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
- B23K37/0426—Fixtures for other work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses an alignment assisting mechanism for welding a radial stud of a pipeline. The conventional stud welding can hardly guarantee the radial direction of a stud alignment pipeline. Two welding sleeves are arranged in welding sleeve mounting holes corresponding to a positioning block respectively; two guide rods are in threaded connection with the two ends of a guide rod mounting hole of the positioning block respectively; two lateral clamping plates are symmetrically sleeved on the corresponding guide rods; one ends of a left-handed ball screw and a right-handed ball screw penetrate ball screw mounting holes of the corresponding lateral clamping plates respectively, a rolling bearing is sleeved on each of the ends respectively, and the heads are fixed to the two ends of a lead screw connecting sleeve respectively; the two rolling bearings are arranged in bearing mounting holes corresponding to the positioning block respectively; the middle part of the left-handed ball screw is in threaded connection with a left-handed ball nut; the middle part of the right-handed ball screw is in threaded connection with a right-handed ball nut; the left-handed ball nut and the right-handed ball nut are fixedly connected with the corresponding lateral clamping plates respectively. The alignment assisting mechanism can adapt to alignment positioning of pipelines with different diameters and different pipeline parts.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of centering auxiliary body, be specifically related to a kind of pipeline radial bolts welding centering auxiliary body.
Background technology
According to domestic and international statistics, approximately the process units equipment breakdown of 41% oil, chemical industry equicontinuity manufacturing enterprise is caused by corrosion.For the reason of technology and economy, process units equipment and pipeline exist corrosion to be inevitable, and key is how can monitor in time its etch state and to eliminate accident potential.Particularly processing under the changeable trend of crude oil in poor quality or material composition, how to grasp in time corrosion variation tendency and the rule of process units equipment and pipeline, and take in advance anti-corrosion measure, be that the Important Project technical problem solved is badly in need of in domestic and international enterprise, be related to process units and can stablely cover with excellent operation.
Raising along with the IT application in enterprises degree, the operation total state monitored data of petroleum chemical enterprise is widely used in accident forecast, fault alarm, this make on-line real time monitoring equipment must without dead angle be arranged on all pipeline key positions, become the necessary means of process control.At present online corrosion monitor must rely on pipeline radially weld bolt complete field conduct.But the quality of traditional stud weld often relies on master worker's operation handicraft, be difficult to guarantee that bolt aligns the radial direction of pipeline; When a plurality of bolt of welding, also be difficult to guarantee aligned with each other and parallel simultaneously.Again because the pipe diameter series of China GB standard code is various, current existing radial alignment mechanism can't realize the function that diameter is adjustable.And the position occurred frequently of corrosive pipeline concentrates on threeway, elbow, the more first-class special pipelines of size, the radial location of bolt is more difficult thus, by the artificial visually examine, can't meet the field conduct requirement.Therefore, need a kind of multi-functional welding auxiliary body that can be applicable to various pipe diameters and also can make radial location to threeway, elbow, big or small first-class special pipeline badly.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, provide a kind of pipeline radial bolts to weld centering auxiliary body, to guarantee accurately installing smoothly of on-line real time monitoring equipment.
The present invention includes welding location accessory part, auxiliary centering assembly and active centering assembly.
Described welding location accessory part comprises locating piece and welded sleeve.The middle part of described locating piece offers two welded sleeve installing holes along vertical end face direction, and an end offers the guide post installing hole along the vertical side direction, and the other end end face is symmetrically arranged with two bearing blocks; Offer a bearing mounting hole on each bearing block, the axis of the axis of bearing mounting hole and guide post installing hole be arranged in parallel, and guide post installing hole inwall has been attacked screw thread; Two welded sleeves are separately positioned in corresponding welded sleeve installing hole.
Described auxiliary centering assembly comprises guide post and side clamping plate.One end car of described guide post has screw thread, and two guide posts are separately positioned on the two ends of the guide post installing hole of locating piece, and all with the guide post installing hole, is threaded.One end of described side clamping plate offers side clamping plate sliding eye, and the other end offers the ball-screw installing hole, the coplanar setting of axial line of the axial line of side clamping plate sliding eye and ball-screw installing hole; The hole wall outer place that the side clamping plate are positioned at the ball-screw installing hole is provided with the mount pad of along the circumferential direction uniform a plurality of arcs; The side clamping plate sliding eye kink by separately is on corresponding guide post respectively for two side clamping plate, and two side clamping plate are symmetricly set on the both sides of locating piece.
A described active centering assembly comprises screw mandrel branch sleeve, left-handed ball-screw and left-handed ball nut, and another active centering assembly comprises screw mandrel branch sleeve, dextrorotation ball-screw and dextrorotation ball nut.Left-handed ball-screw and dextrorotation ball-screw are symmetricly set on the both sides of locating piece, one end arranges through the ball-screw installing hole of respective side clamping plate respectively, and all cover has a rolling bearing, head stretches into respectively the two ends inwall of screw mandrel branch sleeve, and bores and hold dog screw and screw mandrel branch sleeve to fix by fluting; The shaft shoulder laminating of sidewall of each rolling bearing and corresponding left-handed ball-screw or dextrorotation ball-screw, another sidewall is fitted with the sidewall that is arranged on corresponding left-handed ball-screw or the circlip for shaft on the dextrorotation ball-screw; Two rolling bearings are separately positioned in the bearing mounting hole that locating piece is corresponding.The middle part of left-handed ball-screw is threaded with left-handed ball nut, the middle part of dextrorotation ball-screw is threaded with the dextrorotation ball nut, and left-handed ball nut all is fixedly connected with a plurality of mount pads of respective side clamping plate by side clamping plate fastening bolt with the dextrorotation ball nut; The other end end face of left-handed ball-screw and dextrorotation ball-screw all is fixedly installed the leading screw catch.
Beneficial effect of the present invention:
The present invention is towards the pipeline of national Specification, can adapt to the centering location at different pipe diameters and different pipelines position, has good versatility and to the universality of the particular surroundings such as high temperature, humidity.For the pipe diameter series of national Specification, the present invention is applicable to 45～530 millimeters of little external diameter series pipe diameters, 48～457 millimeters of large external diameter series pipe diameters, and nominal diameter is 40～450 millimeters.For different pipeline positions, the present invention is applicable to the positions such as straight tube, threeway, concentric reducer, elbow, and can meet the bolt welding location at these positions under different-diameter.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
The A-A cutaway view that Fig. 2 is Fig. 1;
The structural representation that Fig. 3 is side clamping plate in the present invention;
Fig. 4-1 is the bolt welding position schematic diagram of straight tee (ST.TEE) pipeline;
The bolt welding position schematic diagram that Fig. 4-2 are the skew T pipeline;
The bolt welding position schematic diagram that Fig. 4-3 are the elbow pipeline;
The bolt welding position schematic diagram that Fig. 4-4 are the concentric reducer pipeline.
In figure: 1, locating piece, 2, welded sleeve, 3, guide post, 4, side clamping plate, 5, the screw mandrel branch sleeve, 6, left-handed ball-screw, 7, left-handed ball nut, 8, dextrorotation ball-screw, 9, the dextrorotation ball nut, 10, rolling bearing, 11, fluting cone end dog screw, 12, circlip for shaft, 13, side clamping plate fastening bolt, 14, the leading screw catch.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As illustrated in fig. 1 and 2, a kind of pipeline radial bolts welding centering auxiliary body comprises welding location accessory part, auxiliary centering assembly and centering assembly initiatively.
Welding location accessory part comprises locating piece 1 and welded sleeve 2.The middle part of locating piece 1 offers two welded sleeve installing holes along vertical end face direction, and an end offers the guide post installing hole along the vertical side direction, and the other end end face is symmetrically arranged with two bearing blocks; Offer a bearing mounting hole on each bearing block, the axis of the axis of bearing mounting hole and guide post installing hole be arranged in parallel, and guide post installing hole inwall has been attacked screw thread; Two welded sleeves 2 are separately positioned in corresponding welded sleeve installing hole.
As shown in figs. 1 and 3, auxiliary centering assembly comprises guide post 3 and side clamping plate 4.One end car of guide post 3 has screw thread, and two guide posts 3 are separately positioned on the two ends of the guide post installing hole of locating piece, and all with the guide post installing hole, is threaded.One end of side clamping plate 4 offers side clamping plate sliding eye 4-1, and the other end offers ball-screw installing hole 4-2, the axial line of side clamping plate sliding eye 4-1 and the coplanar setting of axial line of ball-screw installing hole 4-2; The hole wall outer place that side clamping plate 4 are positioned at ball-screw installing hole 4-2 is provided with the mount pad 4-3 of three along the circumferential direction uniform arcs; The side clamping plate sliding eye 4-1 kink by separately is on corresponding guide post 3 respectively for two side clamping plate 4, and two side clamping plate 4 are symmetricly set on the both sides of locating piece 1.
As illustrated in fig. 1 and 2, an active centering assembly comprises screw mandrel branch sleeve 5, left-handed ball-screw 6 and left-handed ball nut 7, and another active centering assembly comprises screw mandrel branch sleeve 5, dextrorotation ball-screw 8 and dextrorotation ball nut 9.Left-handed ball-screw 6 and dextrorotation ball-screw 8 are symmetricly set on the both sides of locating piece 1, one end arranges through the ball-screw installing hole 4-2 of respective side clamping plate respectively, and all cover has a rolling bearing 10, head stretches into respectively the two ends inwall of screw mandrel branch sleeve 5, and bores end dog screw 11 by fluting and fix with screw mandrel branch sleeve 5; The shaft shoulder laminating of sidewall of each rolling bearing 10 and corresponding left-handed ball-screw 6 or dextrorotation ball-screw 8, another sidewall is fitted with the sidewall that is arranged on corresponding left-handed ball-screw 6 or the circlip for shaft 12 on dextrorotation ball-screw 8; Two rolling bearings 10 are separately positioned in the bearing mounting hole of locating piece 1 correspondence.The middle part of left-handed ball-screw 6 is threaded with left-handed ball nut 7, the middle part of dextrorotation ball-screw 8 is threaded with dextrorotation ball nut 9, and left-handed ball nut 7 all is fixedly connected with three mount pad 4-3 of respective side clamping plate by side clamping plate fastening bolt 13 with dextrorotation ball nut 9; The other end end face of left-handed ball-screw 6 and dextrorotation ball-screw 8 all is fixedly installed leading screw catch 14.
Normal straight tube welding centering.Select the welded sleeve 2 in suitable aperture before welding job according to the diameter of weld bolt.Locating piece 1 is adjacent to the straight tube outer wall, rotate left-handed ball-screw 6, drive 8 rotations of dextrorotation ball-screw through screw mandrel branch sleeve 5, making left-handed ball nut 7 and dextrorotation ball nut 9 drive respectively corresponding side clamping plate 4 symmetries moves to centre, until two side clamping plate 4 clamp the straight tube outer wall, now the vertical and crossing straight tube center line of the center line of welded sleeve 2, complete the pipeline radial alignment.
Threeway welding centering is as shown in Fig. 4-1 and 4-2.Branch pipe tee connection commonly used has two kinds of straight tee (ST.TEE) and skew Ts, and its welding position is all the A position.Select the welded sleeve 2 in suitable aperture before welding job according to the diameter of weld bolt.Locating piece 1 is adjacent to the A position, rotate left-handed ball-screw 6, drive 8 rotations of dextrorotation ball-screw through screw mandrel branch sleeve 5, making left-handed ball nut 7 and dextrorotation ball nut 9 drive respectively corresponding side clamping plate 4 symmetries moves to centre, until two side clamping plate 4 clamp the threeway outer wall, now the vertical and crossing threeway center line of the center line of welded sleeve 2, complete the pipeline radial alignment.
Elbow welding centering is as shown in Fig. 4-3.The elbow welding position is middle part overleaf generally, i.e. A position in Fig. 4-3.Select the welded sleeve 2 in suitable aperture before welding job according to the diameter of weld bolt.The center of two welded sleeves 2 on locating piece 1, over against elbow A position, is adjacent to locating piece 1 and elbow, now rotates left-handed ball-screw 6 and dextrorotation ball-screw 8 and make two side clamping plate 4 clamp the elbow both sides, welding gun is stretched into to welded sleeve and complete bolt welding.
Concentric reducer welding centering is as shown in Fig. 4-4.The concentric reducer welding position is generally at frustum close little head part, i.e. A position in Fig. 4-4.Select the welded sleeve 2 in suitable aperture before welding job according to the diameter of weld bolt.Pull down guide post 3, side clamping plate 4 and locating piece 1 can be rotated around left-handed ball-screw 6 or dextrorotation ball-screw 8.Turnover side clamping plate 4, then rotate left-handed ball-screw 6, drive 8 rotations of dextrorotation ball-screw through screw mandrel branch sleeve 5, make left-handed ball nut 7 and dextrorotation ball nut 9 drive respectively the pipeline outer wall that corresponding side clamping plate 4 clamp pipe with small pipe diameter, upset locating piece 1 makes it be close to the concentric reducer frustum, completes the pipeline radial alignment.
Claims (1)
1. a pipeline radial bolts welding centering auxiliary body, comprise welding location accessory part, auxiliary centering assembly and active centering assembly, it is characterized in that:
Described welding location accessory part comprises locating piece and welded sleeve; The middle part of described locating piece offers two welded sleeve installing holes along vertical end face direction, and an end offers the guide post installing hole along the vertical side direction, and the other end end face is symmetrically arranged with two bearing blocks; Offer a bearing mounting hole on each bearing block, the axis of the axis of bearing mounting hole and guide post installing hole be arranged in parallel, and guide post installing hole inwall has been attacked screw thread; Two welded sleeves are separately positioned in corresponding welded sleeve installing hole;
Described auxiliary centering assembly comprises guide post and side clamping plate; One end car of described guide post has screw thread, and two guide posts are separately positioned on the two ends of the guide post installing hole of locating piece, and all with the guide post installing hole, is threaded; One end of described side clamping plate offers side clamping plate sliding eye, and the other end offers the ball-screw installing hole, the coplanar setting of axial line of the axial line of side clamping plate sliding eye and ball-screw installing hole; The hole wall outer place that the side clamping plate are positioned at the ball-screw installing hole is provided with the mount pad of along the circumferential direction uniform a plurality of arcs; The side clamping plate sliding eye kink by separately is on corresponding guide post respectively for two side clamping plate, and two side clamping plate are symmetricly set on the both sides of locating piece;
A described active centering assembly comprises screw mandrel branch sleeve, left-handed ball-screw and left-handed ball nut, and another active centering assembly comprises screw mandrel branch sleeve, dextrorotation ball-screw and dextrorotation ball nut; Left-handed ball-screw and dextrorotation ball-screw are symmetricly set on the both sides of locating piece, one end arranges through the ball-screw installing hole of respective side clamping plate respectively, and all cover has a rolling bearing, head stretches into respectively the two ends inwall of screw mandrel branch sleeve, and bores and hold dog screw and screw mandrel branch sleeve to fix by fluting; The shaft shoulder laminating of sidewall of each rolling bearing and corresponding left-handed ball-screw or dextrorotation ball-screw, another sidewall is fitted with the sidewall that is arranged on corresponding left-handed ball-screw or the circlip for shaft on the dextrorotation ball-screw; Two rolling bearings are separately positioned in the bearing mounting hole that locating piece is corresponding; The middle part of left-handed ball-screw is threaded with left-handed ball nut, the middle part of dextrorotation ball-screw is threaded with the dextrorotation ball nut, and left-handed ball nut all is fixedly connected with a plurality of mount pads of respective side clamping plate by side clamping plate fastening bolt with the dextrorotation ball nut; The other end end face of left-handed ball-screw and dextrorotation ball-screw all is fixedly installed the leading screw catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310366626.XA CN103481005B (en) | 2013-08-21 | 2013-08-21 | Alignment assisting mechanism for welding radial stud of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310366626.XA CN103481005B (en) | 2013-08-21 | 2013-08-21 | Alignment assisting mechanism for welding radial stud of pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103481005A true CN103481005A (en) | 2014-01-01 |
| CN103481005B CN103481005B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310366626.XA Expired - Fee Related CN103481005B (en) | 2013-08-21 | 2013-08-21 | Alignment assisting mechanism for welding radial stud of pipeline |
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| Country | Link |
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| CN (1) | CN103481005B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438402A (en) * | 2015-11-25 | 2016-03-30 | 武昌船舶重工集团有限公司 | Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform |
| CN112077523A (en) * | 2020-09-20 | 2020-12-15 | 江西省崇仁县群力电器设备有限公司 | Transformer header welding angle positioning tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243868A (en) * | 1979-05-02 | 1981-01-06 | General Atomic Company | Orbital arc-welding apparatus of split construction |
| JPS59232667A (en) * | 1983-06-16 | 1984-12-27 | Kusakabe Kikai Kk | Melt cutting and welding device for circumferential wall of pipe |
| US5310982A (en) * | 1993-04-26 | 1994-05-10 | Hobart Brothers Company | T-joint welding fixture |
| JPH10193112A (en) * | 1996-12-27 | 1998-07-28 | Ishikawajima Harima Heavy Ind Co Ltd | Stubbed tube automatic welding machine |
| WO2012093612A1 (en) * | 2011-01-07 | 2012-07-12 | 三菱重工業株式会社 | Method for forming cylindrical component by welding, and welding device |
| CN102689081A (en) * | 2011-03-24 | 2012-09-26 | 巴布日立工业株式会社 | Tig welding device |
| US20120299288A1 (en) * | 2011-05-24 | 2012-11-29 | Electric Power Research Institute, Inc. | FUNCTIONALLY GRADED COMPOSITIONAL CONTROL METHODS TO ELIMINATE DISSIMILAR METAL WELDS (DMWs) DURING MANUFACTURE OF INTEGRAL HEADERS |
-
2013
- 2013-08-21 CN CN201310366626.XA patent/CN103481005B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4243868A (en) * | 1979-05-02 | 1981-01-06 | General Atomic Company | Orbital arc-welding apparatus of split construction |
| JPS59232667A (en) * | 1983-06-16 | 1984-12-27 | Kusakabe Kikai Kk | Melt cutting and welding device for circumferential wall of pipe |
| US5310982A (en) * | 1993-04-26 | 1994-05-10 | Hobart Brothers Company | T-joint welding fixture |
| JPH10193112A (en) * | 1996-12-27 | 1998-07-28 | Ishikawajima Harima Heavy Ind Co Ltd | Stubbed tube automatic welding machine |
| WO2012093612A1 (en) * | 2011-01-07 | 2012-07-12 | 三菱重工業株式会社 | Method for forming cylindrical component by welding, and welding device |
| CN102689081A (en) * | 2011-03-24 | 2012-09-26 | 巴布日立工业株式会社 | Tig welding device |
| US20120299288A1 (en) * | 2011-05-24 | 2012-11-29 | Electric Power Research Institute, Inc. | FUNCTIONALLY GRADED COMPOSITIONAL CONTROL METHODS TO ELIMINATE DISSIMILAR METAL WELDS (DMWs) DURING MANUFACTURE OF INTEGRAL HEADERS |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438402A (en) * | 2015-11-25 | 2016-03-30 | 武昌船舶重工集团有限公司 | Installation method of large stern roller bearing blocks of anchor handling tug supply (AHTS) vessel for ocean engineering platform |
| CN112077523A (en) * | 2020-09-20 | 2020-12-15 | 江西省崇仁县群力电器设备有限公司 | Transformer header welding angle positioning tool |
| CN112077523B (en) * | 2020-09-20 | 2022-06-21 | 武汉华特电气设备有限公司 | Transformer header welding angle positioning tool |
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| Publication number | Publication date |
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| CN103481005B (en) | 2015-03-25 |
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