CN102941393B - Circumferential seam single-pass electro-gas welding machine - Google Patents

Circumferential seam single-pass electro-gas welding machine Download PDF

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Publication number
CN102941393B
CN102941393B CN201210482442.5A CN201210482442A CN102941393B CN 102941393 B CN102941393 B CN 102941393B CN 201210482442 A CN201210482442 A CN 201210482442A CN 102941393 B CN102941393 B CN 102941393B
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CN
China
Prior art keywords
welding
welding machine
cantilever
track
roller frame
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CN201210482442.5A
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Chinese (zh)
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CN102941393A (en
Inventor
朱小明
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南京奥特电气股份有限公司
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Priority to CN201210482442.5A priority Critical patent/CN102941393B/en
Publication of CN102941393A publication Critical patent/CN102941393A/en
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Abstract

The invention discloses a circumferential seam single-pass electro-gas welding machine which is mainly composed of a walking track, a cantilever welding machine, an electro-gas welding head, a front side water-cooling slide block, a back-side forming device, a roller frame base, a driving roller frame and a driven roller frame. The cantilever welding machine is installed on the walking track; the electro-gas welding head and the front side water-cooling slide block are integrated to be installed on the cantilever welding machine; the driving roller frame and the driven roller frame are installed on the roller frame base; a barrel to be welded is placed on the roller frame; and the back-side forming device is installed in the barrel during welding. The circumferential seam single-pass electro-gas welding machine has the advantages that the problem of low efficiencies brought by a layer upon layer stacking welding process is solved so that efficiencies are improved; and simultaneously, welding qualities are high, welding control is accurate, and technological blank of the electro-gas welding machine is filled.

Description

A kind of circumferential weld single track electrogas welding machine

Technical field

The present invention relates to a kind of pipeline welding process equipment, the degree of accuracy is said and is related to a kind of circumferential weld single track electrogas welding machine, belongs to automatic welding equipment technical field.

Background technology

The girth welding of current cylindrical shell generally adopts submerged arc welding, and gas protects the techniques such as welding, argon arc welding, and its common feature is all the welding that is layering.Owing to being the welding that is layering, thus the common drawback of this welding is caused to be exactly that efficiency is not high.And for the higher electro-gas (enclosed) welding welding procedure of efficiency, also all can not be applied to both at home and abroad at present in Circumferential Welds In Cylinders welding.

Summary of the invention

Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of circumferential weld single track electrogas welding machine, solve the problem that efficiency that the welding procedure that is layering brings is not high, improve efficiency, also have welding quality high simultaneously, welding controls the advantages such as accurate.

In order to solve above technical problem, the invention provides a kind of circumferential weld single track electrogas welding machine, primarily of walking track, cantilever welding machine, pneumoelectric welding head, front water-cooled slide block, bead formed on back device, turning rolls base, active roller frame and return idler frame composition, described walking track and turning rolls base be arranged in parallel, described cantilever welding machine is installed on described walking track by motor-driven walking dolly, described cantilever welding machine have elevating mechanism and cantilever telescoping mechanism, described elevating mechanism and cantilever telescoping mechanism are installed in " ten " word shape, described cantilever telescoping mechanism drives lifting by described elevating mechanism, described pneumoelectric welding head is arranged on the end of described cantilever telescoping mechanism, and described pneumoelectric welding head is also provided with the front water-cooled slide block of fitting with drum surface to be welded, described active roller frame and return idler frame are arranged on described turning rolls base, and described active roller frame is by driven by servomotor, described bead formed on back device is arranged on the inside of cylindrical shell to be welded, to coordinate and is adjacent to cylindrical shell by being arranged on adhesive parts on bead formed on back device and treats welding line with described pneumoelectric welding head.

The technical scheme that the present invention limits further is: aforesaid circumferential weld single track electrogas welding machine, described bead formed on back device is primarily of tumbler casing, adhesive parts, spring compression mechanism and adjusting rod assembly composition, described adjusting rod assembly installed by described tumbler casing, and described adjusting rod assembly end is connected with the spring compression mechanism of installing adhesive parts.When welding revolution, tumbler casing ensures vertical position all the time, guarantees copper pad invariant position.The laminating degree of copper pad and welded cylinder inner surface can be regulated, the optimum position of bead formed on back during to reach welding by spring compression mechanism.The effect of adjusting rod assembly is the position regulating copper pad, in order to the welding bead formed on back of satisfied different barrel dliameter.

Aforesaid circumferential weld single track electrogas welding machine, described adhesive parts is copper pad, and arranges water-cooled interface on described copper pad.

Aforesaid circumferential weld single track electrogas welding machine, described welding head is primarily of cross governor motion, accurate wig-wag, welding gun clamp system and cooling extensible member composition, described welding gun clamp system and cooling extensible member are arranged on described cross governor motion, described cooling extensible member is installed front water-cooled slide block, by cooling the laminating degree of extensible member adjustable front water-cooled slide block and welded barrel outer surface, the optimum position of front water-cooled slide block during to reach welding, described accurate wig-wag is arranged on the cross governor motion at the described welding gun clamp system back side.

Aforesaid circumferential weld single track electrogas welding machine, the elevating mechanism of described cantilever welding machine comprises reducing motor and screw rod, described reducing motor is arranged on the top of described cantilever welding machine, described reducing motor is connected with described cantilever telescoping mechanism by described screw rod, drive the lifting of described cantilever telescoping mechanism, the rising of the pneumoelectric welding head be arranged on cantilever telescoping mechanism can be realized and stretch, in order to the welding of satisfied different barrel dliameter.

Further, aforesaid circumferential weld single track electrogas welding machine, the road wheel of described walking dolly is provided with retaining mechanism.

The invention has the beneficial effects as follows: the present invention controls to send the motor servo driver of pulse signal to active roller frame by PLC, control the pivotal real-time rotate speed of roller, reach the speed of gyration precisely controlling welding cylindrical shell, guarantee weld arc length is constant, meet the molding time of welding, ensure the inside and outside quality requirement of weld seam.Solve the problem that efficiency that the welding procedure that is layering brings is not high, improve efficiency, also have welding quality high simultaneously, welding controls the advantages such as accurate, has filled up the blank of technique.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 is the side schematic view of turning rolls base.

Detailed description of the invention

embodiment 1

A kind of circumferential weld single track electrogas welding machine that the present embodiment provides, as depicted in figs. 1 and 2, primarily of parts compositions such as walking track 1, cantilever welding machine 2, pneumoelectric welding head 3, front water-cooled slide block 4, bead formed on back device 5, turning rolls base 6, active roller frame 7, return idler framves 8.Cantilever welding machine 2 is installed on walking track 1; Pneumoelectric welding head 3 and front water-cooled slide block 4 form and are integrally arranged on cantilever welding machine 2; Turning rolls base 6 is equipped with active roller frame 7 and return idler frame 8, active roller frame 7, by driven by servomotor, turns round the accurate control of rotating speed with satisfied welding cylindrical shell; Cylindrical shell to be welded is then placed on turning rolls; During welding, bead formed on back device 5 is installed on inner barrel.Cantilever welding machine 2 is moved on walking track 1 by driven by motor walking dolly, can be pinned by cantilever welding machine 2 by retaining mechanism at commitment positions; Cantilever welding machine 2 is also furnished with lifting mechanism and cantilever telescoping mechanism, and lifting mechanism and cantilever telescoping mechanism are installed in " ten " word shape, the rising of the pneumoelectric welding head 3 be arranged on cantilever telescoping mechanism can be realized and stretch, in order to the welding of satisfied different barrel dliameter.

The welding head 3 of the present embodiment is primarily of compositions such as cross governor motion, accurate wig-wag, welding gun clamp system, cooling extensible members.By cross governor motion, regulate the exact position of welding gun; Front water-cooled slide block 4 is arranged on cooling extensible member, the laminating degree of adjustable front water-cooled slide block 4 and welded barrel outer surface, the optimum position of front water-cooled slide block 4 during to reach welding.Bead formed on back device 5 forms primarily of tumbler casing 9, copper pad 11, spring compression mechanism 12, adjusting rod assembly 10, when welding revolution, tumbler casing ensures vertical position all the time, guarantee copper pad invariant position, the laminating degree of copper pad and welded cylinder inner surface can be regulated, the optimum position of bead formed on back during to reach welding by spring compression mechanism.The effect of adjusting rod assembly is the position regulating copper pad, in order to the welding bead formed on back of satisfied different barrel dliameter.

When welding, cantilever welding machine 2 is locked after moving on walking track 1 and requiring the position of welding; Regulate pneumoelectric welding head 3, desired location when welding gun and water-cooled slide block 4 being adjusted to welding; Regulate bead formed on back device 5, make copper pad reach the required correct position of welding; Can weld by operation requirements.During real-time welding, current value feeds back to PLC, the motor servo driver of pulse signal to active roller frame 7 is sent by PLC, control the pivotal real-time rotate speed of roller, reach the speed of gyration precisely controlling welding cylindrical shell, guarantee weld arc length is constant, meet the molding time of welding, ensure the inside and outside quality requirement of weld seam.

In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.

Claims (6)

1. a circumferential weld single track electrogas welding machine, primarily of walking track, cantilever welding machine, pneumoelectric welding head, front water-cooled slide block, bead formed on back device, turning rolls base, active roller frame and return idler frame composition, described walking track and turning rolls base be arranged in parallel, described cantilever welding machine is installed on described walking track by motor-driven walking dolly, described cantilever welding machine have elevating mechanism and cantilever telescoping mechanism, described elevating mechanism and cantilever telescoping mechanism are installed in " ten " word shape, described cantilever telescoping mechanism drives lifting by described elevating mechanism, it is characterized in that: described pneumoelectric welding head is arranged on the end of described cantilever telescoping mechanism, described pneumoelectric welding head is also provided with the front water-cooled slide block of fitting with drum surface to be welded, described active roller frame and return idler frame are arranged on described turning rolls base, and described active roller frame is by driven by servomotor, described bead formed on back device is arranged on the inside of cylindrical shell to be welded, to coordinate and is adjacent to cylindrical shell by being arranged on adhesive parts on bead formed on back device and treats welding line with described pneumoelectric welding head.
2. circumferential weld single track electrogas welding machine according to claim 1, it is characterized in that: described bead formed on back device is primarily of tumbler casing, adhesive parts, spring compression mechanism and adjusting rod assembly composition, described adjusting rod assembly installed by described tumbler casing, and described adjusting rod assembly end is connected with the spring compression mechanism of installing adhesive parts.
3. circumferential weld single track electrogas welding machine according to claim 2, is characterized in that: described adhesive parts is copper pad, and arranges water-cooled interface on described copper pad.
4. circumferential weld single track electrogas welding machine according to claim 1, it is characterized in that: described pneumoelectric welding head is primarily of cross governor motion, accurate wig-wag, welding gun clamp system and cooling extensible member composition, described welding gun clamp system and cooling extensible member are arranged on described cross governor motion, described cooling extensible member is installed front water-cooled slide block, described accurate wig-wag is arranged on the cross governor motion at the described welding gun clamp system back side.
5. circumferential weld single track electrogas welding machine according to claim 1, it is characterized in that: the elevating mechanism of described cantilever welding machine comprises reducing motor and screw rod, described reducing motor is arranged on the top of described cantilever welding machine, described reducing motor is connected with described cantilever telescoping mechanism by described screw rod, drives the lifting of described cantilever telescoping mechanism.
6. circumferential weld single track electrogas welding machine according to claim 1, is characterized in that: the road wheel of described walking dolly is provided with retaining mechanism.
CN201210482442.5A 2012-11-23 2012-11-23 Circumferential seam single-pass electro-gas welding machine CN102941393B (en)

Priority Applications (1)

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CN102941393B true CN102941393B (en) 2015-07-22

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CN103223540A (en) * 2013-05-08 2013-07-31 安徽工业大学 Automatic welding method for horizontal boiler inner ring seam
CN104227197A (en) * 2013-06-06 2014-12-24 天津港航安装工程有限公司 Welding method and welding device for outer ring weld joints of steel pipe piles
CN103286416A (en) * 2013-06-18 2013-09-11 申达电气集团有限公司 Automatic welding equipment of transformer oil conservator
CN105195870B (en) * 2015-10-20 2018-07-06 南京奥特电气股份有限公司 EGW and GMAW composite welding systems
CN106425199A (en) * 2016-11-06 2017-02-22 合肥齐飞信息技术有限公司 Vehicle body welding manipulator for vehicle production
CN108274184A (en) * 2018-04-01 2018-07-13 上海外高桥造船有限公司 Welding system for straight tube
CN109202215A (en) * 2018-10-31 2019-01-15 中国冶集团有限公司 Push pipe pipeline automatic welding connection device and welding method

Citations (8)

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Publication number Priority date Publication date Assignee Title
DE19601659C1 (en) * 1996-01-18 1997-02-20 Udo Prof Dr Franz Vertical welding in protective gas with strip electrode fed horizontally
CN1714978A (en) * 2004-06-30 2006-01-04 上海锅炉厂有限公司 Process and device for automatic argon arc welding and narrow gap burial arc welding for circular pipe header seam
CN1994648A (en) * 2006-08-07 2007-07-11 新疆石油工程建设有限责任公司 Electrogas arc welding method for vertical line of large-scale floating roof tank reverse construction
CN201493599U (en) * 2009-09-02 2010-06-02 南京奥特电气有限公司 NC self application electro-gas welding trolley
CN102423827A (en) * 2011-11-22 2012-04-25 深圳市瑞凌实业股份有限公司 Welding gun swinging device for vertical electrogas welder
CN102581449A (en) * 2011-11-22 2012-07-18 深圳市瑞凌实业股份有限公司 Twin-wire vertical electrogas welding system with low welding heat input and welding method
CN102672311A (en) * 2012-06-07 2012-09-19 中国东方电气集团有限公司 Electro-gas vertical welding automatic moving type robot system
CN202951953U (en) * 2012-11-23 2013-05-29 南京奥特电气股份有限公司 Circumferential seam single-pass electro-gas welding machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601659C1 (en) * 1996-01-18 1997-02-20 Udo Prof Dr Franz Vertical welding in protective gas with strip electrode fed horizontally
CN1714978A (en) * 2004-06-30 2006-01-04 上海锅炉厂有限公司 Process and device for automatic argon arc welding and narrow gap burial arc welding for circular pipe header seam
CN1994648A (en) * 2006-08-07 2007-07-11 新疆石油工程建设有限责任公司 Electrogas arc welding method for vertical line of large-scale floating roof tank reverse construction
CN201493599U (en) * 2009-09-02 2010-06-02 南京奥特电气有限公司 NC self application electro-gas welding trolley
CN102423827A (en) * 2011-11-22 2012-04-25 深圳市瑞凌实业股份有限公司 Welding gun swinging device for vertical electrogas welder
CN102581449A (en) * 2011-11-22 2012-07-18 深圳市瑞凌实业股份有限公司 Twin-wire vertical electrogas welding system with low welding heat input and welding method
CN102672311A (en) * 2012-06-07 2012-09-19 中国东方电气集团有限公司 Electro-gas vertical welding automatic moving type robot system
CN202951953U (en) * 2012-11-23 2013-05-29 南京奥特电气股份有限公司 Circumferential seam single-pass electro-gas welding machine

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