CN103433664B - 360 degree of welding stresses encircle equipment and welding procedure in advance - Google Patents
360 degree of welding stresses encircle equipment and welding procedure in advance Download PDFInfo
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- CN103433664B CN103433664B CN201310307256.2A CN201310307256A CN103433664B CN 103433664 B CN103433664 B CN 103433664B CN 201310307256 A CN201310307256 A CN 201310307256A CN 103433664 B CN103433664 B CN 103433664B
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Abstract
The present invention relates to rotating welding equipment and welding machine technique, disclose a kind of 360 degree of welding stresses and encircle equipment and welding procedure in advance.Equipment comprises track underframe (1), holds folder positioning disk, and track underframe (1) is provided with firm banking (2) and movable base (7), firm banking (2) is installed left rotation device (3), and left rotation device (3) and a left side are held and pressed from both sides positioning disk (4) and be connected; Movable base (7) is upper installs right rotation device (8), and right rotation device (8) and the right side are held and pressed from both sides positioning disk (6) and be connected.Technique comprises: workpiece is fixed, and workpiece rotates, workpiece welding etc.The present invention is pressed from both sides positioning disk by whirligig and is combined with holding, workpiece can be rotated arbitrarily, by utilizing weldering to answer deformation characteristic, reasonably arranging the order of welding, producing the girder steel element possessing regulation camber, make camber natural stability, changing unfavorable deformation factor is favorable factor, has efficiency high, stabilization, linear smooth and easy, the advantages such as Stability Analysis of Structures.
Description
Technical field
The present invention relates to rotating welding equipment and welding machine technique, particularly related to a kind of 360 degree of welding stresses and encircleed equipment and welding procedure in advance.
Background technology
At present, tradition girder steel generally all makes on tooling platform or moulding bed, and a lot of girder steel needs for structure, need make camber, but for the restriction of frock, freely can not weld with level order on demand, make the distortion of welding stress and encircle reverse in advance, make on the one hand to encircle in advance and be cancelled, also the special-shaped characteristic sum workload strengthening component blanking on the other hand and be welded, make the making of pre-arch be difficult to hold, cause component assembly Quality Down, affect overall structure.The distortion of welding is disadvantageous, but is applied to by welding deformation on pre-arch, but can reach and become unfavorable into favourable, reach best welding effect.
Summary of the invention
The present invention is directed to the restriction due to the condition of frock in prior art, workpiece generally all places downhand welding on the ground, or overhead welding, weld seam after welding is owing to being always partial to the bottom with workpiece under gravity, and welding process can not freely be welded with level order on demand, cause the distortion of welding stress and encircle reverse in advance, affect the shortcomings such as the overall construction intensity of workpiece, provide and a kind of press from both sides positioning disk by whirligig and be combined with holding, workpiece can be rotated arbitrarily, deformation characteristic is answered by utilizing weldering, the rational order arranging welding, produce the girder steel element possessing regulation camber, make camber natural stability, changing unfavorable deformation factor is favorable factor, there is efficiency high, stabilization, linear smooth and easy, 360 degree of welding stresses of the advantages such as Stability Analysis of Structures encircle equipment and welding procedure in advance.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
360 degree of welding stresses encircle equipment in advance, comprise track underframe, hold folder positioning disk, track underframe is provided with firm banking and movable base, the described folder positioning disk that holds comprises a left side and holds folder positioning disk and folder positioning disk is held on the right side, firm banking installs left rotation device, and left rotation device and a left side are held and are pressed from both sides positioning disk and be connected; Movable base is installed right rotation device, right rotation device and the right side are held and are pressed from both sides positioning disk and be connected.
As preferably, a described left side is held folder positioning disk and is held with right the holding device pressing from both sides and positioning disk arranges respectively more than a group, and holding device is connected with workpiece to be welded.
As preferably, described holding device comprises fastening screw, and one end of fastening screw presss from both sides positioning disk and is rotationally connected with holding, and the other end is connected with workpiece to be welded.
As preferably, described fastening screw is also provided with positioning fixture, positioning fixture presss from both sides the chute that positioning disk is arranged and is connected with holding.Holding device can hold out against fixing according to the eccentric situation Unequal distance of workpiece, and the gravity axis of workpiece to be welded all adopts fastening screw to fix holding any position within the scope of folder positioning disk.
As preferably, a described left side is held folder positioning disk and press from both sides that groove positioning disk being also equipped with respectively more than four groups is interior hooks tight screw rod with right holding.
As preferably, described movable base is provided with base locking device, and the right side is held folder positioning disk and is provided with right positioning disk locking device.
360 degree of welding stresses encircle welding procedure in advance, comprise following operation:
A, calculate the position of centre of gravity of workpiece to be welded, workpiece to be welded is put into according to calculating center of gravity and holds folder positioning disk;
B, with hooking tight screw rod in groove, workpiece to be welded to be fixed for the first time;
C, slowly rotate workpiece to be welded;
D, according to the eccentric torque of electric current and the correction of power full-scale reading;
E, revised after, control the fastening screw of holding device and hold out against;
F, start to turn to optimum welding position, welding.
According to electric current and the eccentric torque of power full-scale reading correction in step D, be specially: first workpiece is roughly estimated gravity axis according to section form, by trade union college to holding on folder positioning disk, slow circumvolve workpiece, when selecting electric current and power least count, namely now moment of torsion is minimum, is marked on workpiece interface by now holding the gravity vertical clamping a disk center, and now workpiece gravity axis is positioned in the gravity vertical of holding and clamping a disk center.
Slow circumvolve workpiece again, when selecting electric current and power full-scale reading, namely now moment of torsion is maximum, is marked on workpiece interface by now holding the gravity vertical clamping a disk center, and now workpiece gravity axis is positioned in the gravity vertical of holding and clamping a disk center.
Obtain the intersection point of above-mentioned two gravity verticaies on workpiece, be the gravity axis of workpiece.Regulating workpiece center of gravity by this gravity axis, making workpiece gravity axis consistent with holding the center pressing from both sides positioning disk.
As preferably, in described process B, by locked for all locking devices.
As preferably, described holding device adopts pneumatic type to screw equipment and holds out against locking.
This patent adopts the method for the gravity-center adjustable of brief and practical, by the workpiece that special-shaped for difference center of gravity differs, is fixed on rotating disk, reach desirable welding procedure and station, to reach the utilization of welding stress deformation, become unfavorable into favourable, making quality and efficiency all significantly improve.This patent is adopted to hold folder positioning disk and fixture, the component of various profiled-cross-section can be fixed, and gravity axis can be found fast, make it the running of efficient stable, reduce the frequency of utilization to the lifting purlin car that workshop manufactures, the occupancy reducing place and safety work aspect has very large benefit simultaneously.
The present invention is owing to have employed above technical scheme, there is significant technique effect: the present invention is pressed from both sides positioning disk by whirligig and is combined with holding, and workpiece can being rotated arbitrarily, answering deformation characteristic by utilizing weldering, the rational order arranging welding, produce the girder steel element possessing regulation camber, make camber natural stability, changing unfavorable deformation factor is favorable factor, there is efficiency high, stabilization, linear smooth and easy, the advantages such as Stability Analysis of Structures.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the sectional view in the A-A face in Fig. 1.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein folder positioning disk is held on 1-track underframe, 2-firm banking, 3-left rotation device, 4-left side, folder positioning disk is held on 5-holding device, 6-right side, 7-movable base, 8-right rotation device, 9-workpiece to be welded, 10-hook tight screw rod, 51-positioning fixture, 52-fastening screw, 53-strong magnetic antiskid disk, 71-base locking device, 72-right positioning disk locking device.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with accompanying drawing 1 to Fig. 2:
Embodiment 1
360 degree of welding stresses encircle equipment in advance, comprise track underframe 1, hold folder positioning disk, track underframe 1 is provided with firm banking 2 and movable base 7, the described folder positioning disk that holds comprises a left side and holds folder positioning disk 4 and hold with the right side and press from both sides positioning disk 6, firm banking 2 is installed left rotation device 3, left rotation device 3 and a left side are held and are pressed from both sides positioning disk 4 and be connected; Movable base 7 is installed right rotation device 8, right rotation device 8 and the right side are held and are pressed from both sides positioning disk 6 and be connected.
A left side is held folder positioning disk 4 and is held with right the holding device 5 pressing from both sides and positioning disk 6 arranges respectively four groups, and holding device 5 is connected with workpiece 9 to be welded.Holding device 5 comprises fastening screw 52, and one end of fastening screw 52 presss from both sides positioning disk and is rotationally connected with holding, and the other end is connected with workpiece 9 to be welded.
Fastening screw 52 is also provided with positioning fixture 51, and positioning fixture 51 presss from both sides the chute that positioning disk is arranged and is connected with holding.Holding device 5 can hold out against fixing according to the eccentric situation Unequal distance of workpiece, and the gravity axis of workpiece to be welded all adopts fastening screw 52 to fix holding any position within the scope of folder positioning disk.
A left side is held folder positioning disk 4 and the right side and is held press from both sides and positioning disk 6 is also equipped with respectively four groups of grooves are interior hooks tight screw rod 10.Movable base 7 is provided with base locking device 71, and the right side is held folder positioning disk 6 and is provided with right positioning disk locking device 72.
360 degree of welding stresses encircle welding procedure in advance, comprise following operation:
A, calculate the position of centre of gravity of workpiece 9 to be welded, workpiece 9 to be welded is put into according to calculating center of gravity and holds folder positioning disk;
B, with hooking tight screw rod 10 in groove, workpiece 9 to be welded to be fixed for the first time;
C, slowly rotate workpiece 9 to be welded;
D, according to the eccentric torque of electric current and the correction of power full-scale reading;
E, revised after, control the fastening screw 52 of holding device 5 and hold out against;
F, start to turn to optimum welding position, welding.
According to electric current and the eccentric torque of power full-scale reading correction in step D, be specially: first workpiece is roughly estimated gravity axis according to section form, by trade union college to holding on folder positioning disk, slow circumvolve workpiece, when selecting electric current and power least count, namely now moment of torsion is minimum, is marked on workpiece interface by now holding the gravity vertical clamping a disk center, and now workpiece gravity axis is positioned in the gravity vertical of holding and clamping a disk center.
Slow circumvolve workpiece again, when selecting electric current and power full-scale reading, namely now moment of torsion is maximum, is marked on workpiece interface by now holding the gravity vertical clamping a disk center, and now workpiece gravity axis is positioned in the gravity vertical of holding and clamping a disk center.
Obtain the intersection point of above-mentioned two gravity verticaies on workpiece, be the gravity axis of workpiece.Regulating workpiece center of gravity by this gravity axis, making workpiece gravity axis consistent with holding the center pressing from both sides positioning disk.
This technique is mainly used in the welding procedure of field of steel structure, is particularly useful for the beam-type member with certain slenderness ratio.Pre-arch is a kind of form or the needs of structure manufacture, welding deformation is a kind of phenomenon in welding process, when two forms and phenomenon deviate from, there will be back setting effect, thus make making more difficult, make final Components Shape be difficult to hold, and utilize the advantage of this equipment, employing welding sequence controls, and welding deformation is conformed to and encircles direction in advance, can play a multiplier role.As: when welding I-beam in prior art, because workpiece is all placed on the ground, therefore, the contraction that during welding, steel plate produces or stretching are easily subject to the restriction on ground, cause the distortion of welding stress and encircle reverse in advance, affecting the overall construction intensity of workpiece.Meanwhile, during due to plane-welding, weld seam is when liquid due to Action of Gravity Field, and the lower member side focused mostly on when welding, causes the weld strength of connecting portion to reach optimum state.And by by work piece on 360 degree of rotary welding devices time, weld when can accomplish workpiece angle at 45 ° with ground completely, reach the effect of ship shape weld seam, meanwhile, when the welding job of workpiece side completes, can weld when opposite side weld seam does not solidify completely immediately by controlling 360 degree of rotary welding devices, be conducive to the welding efficiency improving member integrated, and structural strength, and produce the girder steel element possessing regulation camber, make camber natural stability.
In process B, by locked for all locking devices.Holding device 5 adopts pneumatic type to screw equipment and holds out against locking.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: a left side is held and pressed from both sides positioning disk 4 and hold with right the holding device 5 press from both sides and positioning disk 6 arranges respectively eight groups, and the tight screw rods 10 of hook in eight groups of grooves.This patent is adopted to hold folder positioning disk and fixture, the component of various profiled-cross-section can be fixed, and gravity axis can be found fast, make it the running of efficient stable, reduce the frequency of utilization to the lifting purlin car that workshop manufactures, the occupancy reducing place and safety work aspect has very large benefit simultaneously.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (3)
1.360 degree of welding stresses encircle welding procedure in advance, it is characterized in that: comprise following operation:
A, calculate the position of centre of gravity of workpiece to be welded (9), workpiece to be welded (9) is put into according to calculating center of gravity and holds folder positioning disk, hold folder positioning disk to comprise a left side and hold folder positioning disk (4) and hold press from both sides positioning disk (6) with the right side, a left side is held folder positioning disk (4) and is held with the right side holding device (5) pressing from both sides and positioning disk (6) arranges respectively more than a group, holding device (5) comprises fastening screw (52), one end of fastening screw (52) presss from both sides positioning disk and is rotationally connected with holding, and the other end is connected with workpiece to be welded (9); A left side is held folder positioning disk (4) and the right side and is held and press from both sides that groove positioning disk (6) being also equipped with respectively more than four groups is interior hooks tight screw rod (10);
B, with hooking tight screw rod (10) in groove, workpiece to be welded (9) to be fixed for the first time;
C, slowly rotate workpiece to be welded (9);
D, according to the eccentric torque of electric current and the correction of power full-scale reading;
E, revised after, control holding device (5) fastening screw (52) hold out against;
F, start to turn to optimum welding position, welding.
2. 360 degree of welding stresses according to claim 1 encircle welding procedure in advance, it is characterized in that: in described process B, by locked for all locking devices.
3. 360 degree of welding stresses according to claim 1 encircle welding procedure in advance, it is characterized in that: described holding device (5) adopts pneumatic type to screw equipment and holds out against locking.
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| CN201310307256.2A CN103433664B (en) | 2013-07-18 | 2013-07-18 | 360 degree of welding stresses encircle equipment and welding procedure in advance |
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| CN201310307256.2A CN103433664B (en) | 2013-07-18 | 2013-07-18 | 360 degree of welding stresses encircle equipment and welding procedure in advance |
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| CN103433664A CN103433664A (en) | 2013-12-11 |
| CN103433664B true CN103433664B (en) | 2015-11-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106225968B (en) * | 2016-07-28 | 2019-02-19 | 中国神华能源股份有限公司 | Weld constraint stress test method and welding constraint stress test device manufacturing method |
| CN106624545B (en) * | 2016-12-07 | 2018-08-31 | 航天科工哈尔滨风华有限公司电站设备分公司 | A kind of anti-deformation welding fixture |
| CN110736315A (en) * | 2019-11-27 | 2020-01-31 | 衡阳市晋宏精细化工有限公司 | drying rack with overturning function for gold plating |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232366A (en) * | 1989-04-21 | 1990-12-12 | Nissan Motor | Method and apparatus for assembling vehicle body |
| CN201231389Y (en) * | 2008-07-31 | 2009-05-06 | 撫順永茂建築機械有限公司 | Standard-joint rotary blending tyre of column crane |
| CN102962623A (en) * | 2012-12-19 | 2013-03-13 | 南车四方车辆有限公司 | End beam welding positioner and end beam welding method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10180457A (en) * | 1996-12-27 | 1998-07-07 | Nec Kansai Ltd | Device and method for assembling shadow mask structure |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232366A (en) * | 1989-04-21 | 1990-12-12 | Nissan Motor | Method and apparatus for assembling vehicle body |
| CN201231389Y (en) * | 2008-07-31 | 2009-05-06 | 撫順永茂建築機械有限公司 | Standard-joint rotary blending tyre of column crane |
| CN102962623A (en) * | 2012-12-19 | 2013-03-13 | 南车四方车辆有限公司 | End beam welding positioner and end beam welding method |
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Owner name: ZHEJIANG CTB CORRUGATED STEEL WEB CO., LTD. Free format text: FORMER OWNER: HANGZHOU BOSHU CIVIL ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20141124 |
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Free format text: CORRECT: ADDRESS; FROM: 311215 HANGZHOU, ZHEJIANG PROVINCE TO: 314422 HANGZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20141124 Address after: 314422, No. 168-2, village, town, Hangzhou, Xiaoshan District, Zhejiang Applicant after: Zhejiang CTB Corrugated Steel Web Co., Ltd. Address before: Hangzhou City, Zhejiang province 311215 Xiaoshan economic and Technological Development Zone, North Building 2 room 1711 Ning'an Applicant before: Hangzhou Boshu Civil Engineering Technology Co., Ltd. |
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