CN102922194B - Large-aperture pipe circular seam line-up clamp and large-aperture pipe circular seam line-up clamping method - Google Patents
Large-aperture pipe circular seam line-up clamp and large-aperture pipe circular seam line-up clamping method Download PDFInfo
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- CN102922194B CN102922194B CN201210406500.6A CN201210406500A CN102922194B CN 102922194 B CN102922194 B CN 102922194B CN 201210406500 A CN201210406500 A CN 201210406500A CN 102922194 B CN102922194 B CN 102922194B
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Abstract
The invention discloses a large-aperture pipe circular seam line-up clamp, which comprises a sleeve body, wherein the sleeve body is a steel piece; two tightening and adjusting mechanisms are arranged on the sleeve body along the circumferential direction; each tightening and adjusting mechanism is positioned in a circumferential section which is spaced from an end of the sleeve body by a certain distance and comprises a plurality of groups of adjusting bolts uniformly arranged along the circumference of the tightening and adjusting mechanism; ends of bolted caps of all the adjusting bolts face the axial lead direction of the sleeve body; a circle of groove is formed in the outer wall of an axial center section of the sleeve body; and a plurality of observation holes are uniformly formed along the circumferential direction of the groove. The invention also discloses a large-aperture pipe circular seam line-up clamping method, which is implemented by using the line-up clamp. By the line-up clamp and the line-up clamping method, large-aperture pipe circular seams can be assembled and welded, workpieces are connected with one another firmly and reliably, and the line-up clamp is easy to operate.
Description
Technical field
The invention belongs to petroleum drilling and mining pipe manufacturer technical field, relate to a kind of large-diameter pipe subring seam line-up clamp, the invention still further relates to the counterpart method of a kind of large-diameter pipe subring seam.
Background technology
When interior pressure, external pressure are larger, when pipe-pipe the docking of petroleum drilling and mining pipe, pipe-flange are docked, while the position ensureing workpiece and size, butt welded seam proposes harsh requirement, weld seam must meet the requirement of intensity, toughness, impact, fatigue etc., therefore, this welding line joint is necessary for the groove weld joint of full penetration.This kind of workpiece group to, welding manner is: rely on contra-aperture device to connect workpiece during combination, the linearity of adjustment workpiece and axiality, transmitting torque when workpiece rotates; After adjusting to the right place in various sizes and position, the location of workpiece and connection rely on contra-aperture device to realize, and do not adopt the mode of spot welding; During welding, welding gun is in downhand position (i.e. 12 positions) all the time, and workpiece continuously rotates, and contra-aperture device and workpiece keep rotating simultaneously, until the welding bead that formation one is complete.Because the automatic contra-aperture device complicated structure of existing fluid pressure type, overall dimensions are comparatively large, hydraulic control pipeline or various cable more, when workpiece rotates, contra-aperture device is easy to loosen thus affect counterpart quality.In addition, more pipeline also counteracts that workpiece continuously rotates.This type of contra-aperture device is only applicable to the welding operating mode that pipe is motionless, welding head rotates around 360 °, pipe.
As can be seen here, the automatic contra-aperture device of existing fluid pressure type has certain limitation, therefore, must develop a kind of new large-diameter pipe subring seam line-up clamp, meet actual needs.
Summary of the invention
The object of this invention is to provide a kind of large-diameter pipe subring seam line-up clamp, solve the contra-aperture device unreasonable structure adopted in prior art, use inconvenience, affect the problem that welding equipment is installed and used.
Another object of the present invention is to provide the counterpart method of a kind of large-diameter pipe subring seam, solves in prior art and does not have special contra-aperture device, adopt artificial counterpart, the problem that operating efficiency is low.
The technical solution adopted in the present invention is, a kind of large-diameter pipe subring seam line-up clamp, comprise the sleeve body of steelwork, sleeve body is circumferentially provided with two covers and holds out against-guiding mechanism, often cover hold out against-guiding mechanism is positioned at circumferential cross-section apart from sleeve body termination certain distance, often cover hold out against-guiding mechanism comprises the many groups adjusting bolt circumferentially evenly arranged, the nuts termination of all adjusting bolts is towards the direction of axis line of sleeve body; The outer wall of the axial center section of sleeve body is provided with a circle groove, is evenly provided with multiple peep hole along groove circumference.
Another technical scheme of the present invention is, a kind of counterpart method of large-diameter pipe subring seam, and the line-up clamp that profit is above-mentioned is implemented according to following steps:
Step 1, one end of the sleeve body of line-up clamp loaded longer workpiece one treat in bonding tip, the groove of sleeve body is just in below weld seam, hold out against-each adjusting bolt overhang of guiding mechanism according to this side of internal diameter size adjustment of workpiece, make sleeve body be fixed on workpiece one;
Step 2, then the termination point casing to be welded of another shorter workpiece two is contained on the other end of sleeve body, holds out against-each adjusting bolt overhang of guiding mechanism according to the internal diameter size adjustment opposite side of workpiece two, make workpiece two be fixed on sleeve body;
Step 3, situation by the heavy caliber pipe of two end pieces during peep hole observation group pair whether centering, the overhang of timely each adjusting bolt of fine adjustment, make both sides workpiece group to the gap at place to be welded become, axiality, groove misalignment, linearity state parameter, meet the requirement of weld procedure specification, make the sleeve body of both sides workpiece and line-up clamp firmly, reliably link together simultaneously.
The invention has the beneficial effects as follows: can meet group to, welding time, workpiece firm and reliable connection, ensures the position of related features that large-diameter pipe subring seam group is right to meet fixed point welding and continuous welding, the group solving large-diameter pipe subring seam, to, Welding Problems, does not affect any use of welding equipment completely.
Accompanying drawing explanation
Fig. 1 is large-diameter pipe subring of the present invention seam line-up clamp structural representation;
Fig. 2 is the A-A line of vision schematic cross-section in Fig. 1;
Fig. 3 is the B-B line of vision schematic cross-section in Fig. 1;
Fig. 4 is the C-C line of vision schematic cross-section in Fig. 1;
Fig. 5 is that the counterpart method of large-diameter pipe subring of the present invention seam implements the right scheme of installation of workpiece group;
Fig. 6 is the A-A line of vision schematic cross-section in Fig. 5;
Fig. 7 is the B-B line of vision schematic cross-section in Fig. 5;
Fig. 8 is the C-C line of vision schematic cross-section in Fig. 6.
In figure, 1. sleeve body, 2. adjusting bolt, 3. groove, 4. peep hole, 5. workpiece one, 6. workpiece two.
Detailed description of the invention
See Fig. 1, Fig. 2, Fig. 3, Fig. 4, large-diameter pipe subring seam line-up clamp structure of the present invention is, comprise the sleeve body 1 of steelwork, sleeve body 1 is circumferentially provided with two covers and holds out against-guiding mechanism, often cover hold out against-guiding mechanism is positioned at circumferential cross-section apart from sleeve body 1 termination certain distance, often cover hold out against-guiding mechanism comprises the preferred 6-8 group of quantity of the many groups adjusting bolt 2(adjusting bolt 2 circumferentially evenly arranged), the nuts termination of all adjusting bolts 2 is towards the direction of axis line of sleeve body 1, two covers hold out against-each adjusting bolt 2 of guiding mechanism circumferentially direction also successively interval arrange, the outer wall in axial centre (centre) cross section of sleeve body 1 is provided with a circle groove 3, is evenly provided with the preferred 3-6 of quantity of multiple peep hole 4(peep hole 4 along groove 3 circumference).
Sleeve body 1 has some strength and rigidity, can bear moment of torsion, meets the welding requirements of pipe group to rear synchronous axial system.The external diameter of sleeve body 1 is less than the internal diameter of two workpiece that will align, and is convenient to load, take out workpiece, is convenient to again the time shortening clamping time and adjust linearity, axiality.
With one end hold out against-adjusting bolt 2 of guiding mechanism is in a circumference, hold out against-guiding mechanism in each adjusting bolt 2 be used for fixing heavy caliber pipe, and the longitudinal space position of workpiece accurately can be controlled by the length of stretching out the outer wall of sleeve body 1 of adjustment adjusting bolt 2, be convenient to the axiality of accurately locating both sides heavy caliber pipe, in order to avoid cause two heavy caliber pipe misalignments, weld seam is made to produce the problem such as weld defect, the shaping difference of back of weld.
The angle that the circumferential whole discrepancy of each adjusting bolt 2 of the holding out against of two ends-guiding mechanism is certain, to stagger successively setting, be used for easily connecting, the relative position of fixing both sides workpiece, meet the moment of torsion of needs when both sides workpiece rotates, and the locus of workpiece can be controlled by adjusting the overhang of adjusting bolt 2, meeting axiality, linearity, the weld groove unfitness of butt joint of group to the both sides workpiece required for, welding.
Groove 3 be in two heavy caliber pipes docking middle, welding bead position, ensure welding work pieces time, welding bead not with sleeve body 1 surface contact, adhesion, make back of weld well shaping, weld seam inside not easily produces weld defect, ensure that good welding quality.
Each peep hole 4 is for the situation of the heavy caliber pipe whether centering of two end pieces during observation group pair; During welding, also can the shaping situation of field observation weld appearance, situation according to the observation, the welding quality of workpiece is improved or improved to adjustment welding condition in real time.
The counterpart method of large-diameter pipe subring seam of the present invention, utilizes above-mentioned line-up clamp, see Fig. 5, Fig. 6, Fig. 7, Fig. 8, implements according to following steps:
Step 1, one end of the sleeve body 1 of line-up clamp loaded longer workpiece one treat in bonding tip, the groove 3 of sleeve body 1 is just in below weld seam, hold out against-each adjusting bolt 2 overhang of guiding mechanism according to this side of internal diameter size adjustment of workpiece, make sleeve body 1 be fixed on workpiece one;
Step 2, then the termination point casing to be welded of another shorter workpiece two is contained on the other end of sleeve body 1, holds out against-each adjusting bolt 2 overhang of guiding mechanism according to the internal diameter size adjustment opposite side of workpiece two, workpiece two is fixed on sleeve body 1.
Step 3, situation by the heavy caliber pipe of two end pieces during peep hole 4 observation group pair whether centering, the overhang of each adjusting bolt 2 of timely fine adjustment, make both sides workpiece group to the state parameter such as gap, axiality, groove misalignment, linearity at the place to be welded become, meet the requirement of weld procedure specification, make the sleeve body 1 of both sides workpiece and line-up clamp firmly, reliably link together simultaneously.Subsequent step just can come into effect the butt welding of two workpiece.
Device and method of the present invention, compared with prior art: one is simple, convenient, and reliable solve the group before two heavy caliber tube weldings to problem, solve original automatic line-up clamp complicated structure, the problem of welding gun fixed point automatic welding cannot be realized, effectively improve Product jointing quality, efficiency, and reduce the labour intensity of workman; Two is require lower to group to person's level of skill, does not need spot welding because of during group pair, does not just propose special requirement to welding technical ability; Three is by peep hole, overall process can monitor the various situations of weld seam in welding process, adjust welding condition in real time, ensure that the welding quality of workpiece; Four are reduction of the requirement to welding procedure, the present invention can meet the needs that the workpiece continuous rotation of welding gun in downhand position welds, do not need welding gun at the weld procedure specification of all the other positions, greatly reduce the difficulty of welding procedure, also greatly reduce welding difficulty in the whole process of welding simultaneously, the uninterrupted Full-automatic welding of workpiece whole piece weld seam is complete, meets the particular/special requirement of complex working condition girth welding.
Claims (1)
1. the counterpart method of a large-diameter pipe subring seam, it is characterized in that, a kind of large-diameter pipe subring is utilized to stitch line-up clamp, its structure is: the sleeve body (1) comprising steelwork, circumferentially respectively be provided with in sleeve body (1) two ends and a set ofly hold out against-guiding mechanism, often cover hold out against-guiding mechanism is positioned at circumferential cross-section apart from sleeve body (1) termination certain distance, often cover hold out against-guiding mechanism comprises the many groups adjusting bolt (2) circumferentially evenly arranged, the nuts termination of all adjusting bolts (2) is towards the direction of axis line of sleeve body (1); The external diameter of described sleeve body (1) is less than the internal diameter of two heavy caliber pipes that will align; Each adjusting bolt (2) of the holding out against of described two ends-guiding mechanism staggers setting successively; The outer wall of the axial center section of sleeve body (1) is provided with a circle groove (3), is evenly provided with multiple peep hole (4) along groove (3) circumference,
Utilize aforesaid large-diameter pipe subring to stitch line-up clamp, this method is implemented according to following steps:
Step 1, one end of the sleeve body (1) of line-up clamp loaded longer heavy caliber pipe treat in bonding tip, the groove of sleeve body (1) (3) is just in below weld seam, hold out against-each adjusting bolt (2) overhang of guiding mechanism according to this side of internal diameter size adjustment of this heavy caliber pipe, make sleeve body (1) be fixed in this heavy caliber pipe inner circle;
Step 2, then the termination point casing to be welded of shorter second heavy caliber pipe is contained on the other end of sleeve body (1), hold out against-each adjusting bolt (2) overhang of guiding mechanism according to the internal diameter size of second heavy caliber pipe adjustment opposite side, make second heavy caliber pipe be fixed on sleeve body (1);
Step 3, heavy caliber pipe whether centering by large-diameter pipe subring seam line-up clamp two ends during peep hole (4) observation group pair, the overhang of each adjusting bolt of timely fine adjustment (2), make both sides large-diameter pipe subgroup to the gap at place to be welded become, axiality, groove misalignment, linearity state parameter, meet the requirement of weld procedure specification, make the heavy caliber pipe of large-diameter pipe subring seam line-up clamp both sides and sleeve body (1) firmly, reliably link together simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406500.6A CN102922194B (en) | 2012-10-23 | 2012-10-23 | Large-aperture pipe circular seam line-up clamp and large-aperture pipe circular seam line-up clamping method |
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| CN201210406500.6A CN102922194B (en) | 2012-10-23 | 2012-10-23 | Large-aperture pipe circular seam line-up clamp and large-aperture pipe circular seam line-up clamping method |
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| CN102922194A CN102922194A (en) | 2013-02-13 |
| CN102922194B true CN102922194B (en) | 2015-05-20 |
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| CN104339120B (en) * | 2014-10-31 | 2016-02-03 | 茂名重力石化机械制造有限公司 | The self-tightening type line-up clamp of rapid-cooling heat exchanger pipe splicing |
| CN105834622A (en) * | 2016-05-26 | 2016-08-10 | 永胜机械工业（昆山）有限公司 | Pressure vessel barrel section assembling device |
| CN105806935B (en) * | 2016-05-27 | 2024-03-12 | 三峡大学 | Quick detection device for weld defects of large-scale metal round pipe |
| CN109317914B (en) * | 2018-10-24 | 2021-02-26 | 浙江青鸟机械有限公司 | Motorcycle exhaust funnel bending welding fixing device and exhaust funnel splicing process |
| CN109570891B (en) * | 2018-12-03 | 2024-04-16 | 中铁上海工程局集团有限公司 | High-precision, simple and convenient steel pipe butt joint device and steel pipe butt joint method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165160A (en) * | 1991-07-22 | 1992-11-24 | Poncelet George V | Apparatus and method for axially aligning straight or curved conduits |
| CN202174381U (en) * | 2011-06-23 | 2012-03-28 | 杨述军 | Novel pipeline orifice alignment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06281057A (en) * | 1993-03-29 | 1994-10-07 | Chiyoda Corp | Pipe circumferential joint welding method and pipe fit-up device |
| JPH07328796A (en) * | 1994-06-08 | 1995-12-19 | Japan Steel & Tube Constr Co Ltd | Tube clamp device |
| JP3380525B2 (en) * | 2000-06-20 | 2003-02-24 | 川崎重工業株式会社 | Pipe body groove assembly device |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5165160A (en) * | 1991-07-22 | 1992-11-24 | Poncelet George V | Apparatus and method for axially aligning straight or curved conduits |
| CN202174381U (en) * | 2011-06-23 | 2012-03-28 | 杨述军 | Novel pipeline orifice alignment device |
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Effective date of registration: 20210114 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: Baoji Oilfield Machinery Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co., Ltd Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |