CN102848088A - Welding method of transformer oil tank - Google Patents

Welding method of transformer oil tank Download PDF

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Publication number
CN102848088A
CN102848088A CN2011101821492A CN201110182149A CN102848088A CN 102848088 A CN102848088 A CN 102848088A CN 2011101821492 A CN2011101821492 A CN 2011101821492A CN 201110182149 A CN201110182149 A CN 201110182149A CN 102848088 A CN102848088 A CN 102848088A
Authority
CN
China
Prior art keywords
welding
oil tank
transformer
welding method
speed
Prior art date
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.)
Pending
Application number
CN2011101821492A
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Chinese (zh)
Inventor
李静
李忠顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TBEA Shenyang Transformer Group Co Ltd
Original Assignee
TBEA Shenyang Transformer Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TBEA Shenyang Transformer Group Co Ltd filed Critical TBEA Shenyang Transformer Group Co Ltd
Priority to CN2011101821492A priority Critical patent/CN102848088A/en
Publication of CN102848088A publication Critical patent/CN102848088A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a welding method of a transformer oil tank. The welding method of the transformer oil tank includes the steps of grouping the materials which form the transformer oil tank according to pattern requirements; assembling a welding torch device with a function of self-travelling; adjusting welding current and travelling speed of the welding torch device and angular parameters of a welding torch; and performing welding. The quality of weld lines welded by the welding method is high, the formed weld lines are attractive and meet the needs of power plants, use is facilitated, and operating efficiency is high, namely complex workpiece position adjustment and a welding device adjustment and preparation process are omitted, so that time is saved.

Description

The welding method of oil tank of transformer
Technical field
The present invention relates to a kind of manufacturing process of oil tank of transformer, specifically a kind of welding method of oil tank of transformer.
Background technology
Transformer is the capital equipment of each high-power station, transformer station, a transformer price is up to ten thousand yuan of 3000-4000, power plant not only requires the inherent quality of transformer reliable, and is also more and more higher to its appearance requirement simultaneously, so the moulding of fuel tank bonding wire is attractive in appearance most important.Traditional welding method is to adopt manual electric arc welding or manual gas shielded arc welding; bonding wire after the welding exists that welding point is many, the bonding wire Size of welds is inhomogeneous, Size of welds is asymmetric, ripple is inhomogeneous, the surperficial problem such as rough and uneven in surface of bonding wire; particularly the welding bonding wire between transformer oil tank wall and the external reinforcing plate accounts for more than 80% of total bonding wire amount, and the aesthetic measure of its bonding wire has determined transformer overall appearance quality.Though the transformer factory that abroad has has adopted large-scale automatic soldering device to solve problems, but it is expensive very large to purchase automatic soldering device, need simultaneously to take certain working area, particularly need a certain amount of preparation time before the welding, exist efficient to hang down problem, be not suitable for the rhythm of production of our domestic enterprise.
Summary of the invention
For above shortcomings part in the prior art, the technical problem to be solved in the present invention provides a kind of welding method that had not only solved the bad problem of bonding wire moulding but also improved the oil tank of transformer of welding efficiency.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The welding method of oil tank of transformer of the present invention may further comprise the steps:
The material that forms oil tank of transformer is grouping by the pattern requirement;
Assembling has the weldering device of automatic walking function;
Adjust welding current, the speed of travel and the angle of welding gun parameter of weldering device;
Carry out welding operation.
The weldering device that described assembling has automatic walking function is: welding gun is installed on the dolly, the welding gun head is extended by a side of carriage walking direction; The side that dolly has a welding gun head is provided with the absorption contact that can reliably contact with material to be welded.
In welding current, the speed of travel and the angle of welding gun parameter step of adjusting weldering device with carry out between the welding operation step further comprising the steps of:
The dolly trial run checks whether its speed of travel satisfies the speed of welding requirement;
As satisfy the speed of welding requirement, and then carry out test weld, whether what check weld seam or welded junction part linearly satisfies technological requirement;
As satisfy technological requirement, and then continue and carry out the welding operation step, formally weld.
The inventive method is further comprising the steps of:
Weld seam for irregular angle on the fuel tank arranges trolley track;
Position and angle that the dolly matching track is installed the locking device of welding gun by conversion are carried out welding operation.
The inventive method also can further may further comprise the steps: position and the angle of the locking device by adjusting welding gun, the welding tractor road wheel can't arrive the weld seam at position.
Described track is located on the fuel tank steel plate materials or is placed on the support.
The present invention has following beneficial effect and advantage:
1. adopt welding method of the present invention, compare with adopting traditional manual electric arc welding or manual gas shielded arc welding, the bonding wire quality is good, and the bonding wire moulding is attractive in appearance, satisfies power plant's customer demand.
2. compare with adopting large-scale automatic soldering device, the inventive method is easy to use, and high efficiency does not namely need the complicated adjustment location of workpiece and welder to adjust set-up procedure, saves time.
3. compare with adopting large-scale automatic soldering device, the inventive method is saved and is opened money, reduces manufacturing cost, and external one of the large-scale automatic soldering device that adopts needs millions of approximately, only needs several thousand yuan and implement this method.
4. compare with adopting large-scale automatic soldering device, the inventive method is saved Active workings.Large-scale automatic soldering device needs independent operating area, and the device that the present invention adopts is small and exquisite, and operating process is to be placed on the fuel tank tank wall, takies hardly other Active workings.
Description of drawings
Fig. 1 is the welder working state schematic representation that the present invention uses.
Wherein 1 is the fuel tank stiffener, and 2 is tank wall, and 3 is road wheel, and 4 are the absorption contact, and 5 is welding gun, and 6 is locking device.
The specific embodiment
The welding method of oil tank of transformer of the present invention may further comprise the steps:
The material that forms oil tank of transformer is grouping by the pattern requirement; Assembling has the weldering device of automatic walking function; Weld after adjusting welding current, carriage walking speed and angle of welding gun parameter.
Present embodiment welds fuel tank stiffeners 1 as example take the tank wall 2 at fuel tank.
At first, the steel plate materials (such as the steel plate that cuts out by the size on the drawing etc.) that forms oil tank of transformer is grouping by the pattern requirement, and spot welding is fixed;
Secondly, carry out automatic welding preparation, the welding tractor that can realize automatic welding places on the appropriate location of oil tank wall 2, drives welding gun stabilized walking and at the uniform velocity straight line welding for making dolly, and the absorption contact 4 on the dolly need reliably be adsorbed on the fuel tank stiffener 1.
The gas protecting welding gun 5 that will satisfy again the bonding power requirement fits together with dolly with automatic welding; be about to welding gun 5 and be fixedly installed in assigned address on the dolly by locking device 6; after the installation, make welding gun 5 heads and carriage walking perpendicular direction and form certain and adjustable angle with weld seam to be welded.
Before implementing formal welding, adjust the speed of travel (being speed of welding) of suitable dolly, suitable welding current, weldingvoltage and angle of welding gun parameter, make dolly trial run (test weld), check whether bonding wire satisfies technological requirement; As satisfy technological requirement, and then implement above welding operation step, formally weld.
In practical operation, the road wheel 3 of dolly drives carriage walking, and then drive welding gun 5 prolongs bonding wire direction enforcement welding.
Weld seam (such as non-90 degree angle weld seams) for other irregular angles on the fuel tank, automatic walking trolley can cooperate homemade track (track adsorbable on the fuel tank steel plate materials or place support), by position and the angle that the locking device 6 of welding gun is installed in conversion, still can carry out the operation of automatic welding.Almost can be applicable to the automatic welding of all straight beads.
Position and the angle of the locking device 6 of installation welding gun that also can be by adjusting automatic welding carriage, automatic welding carriage road wheel 3 can't arrive the weld seam at position.
It is the automatic welding carriage of HIT-22, HIT-16 etc. that dolly adopts model, and its speed of travel (being speed of welding) adjustable range is 0-900mm/min.
The present invention is owing to adopt automatic uniform speed straight line moving dolly to cooperate welding gun to realize welding; compare with the manual electric arc welding of adopting system or manual gas shielded arc welding; the bonding wire inherent quality is good; the bonding wire moulding is attractive in appearance; satisfy power plant's customer demand; compare with the large-scale automatic soldering device of employing; easy to use, flexible; raise the efficiency, namely do not need the complicated adjustment location of workpiece and welder to adjust set-up procedure, save time; and can save out money; reduce manufacturing cost, external one of the large-scale automatic soldering device that adopts needs millions of approximately, and implementing this method only needs several thousand yuan.Large-scale automatic soldering device needs independent operating area, and the device that this method adopts is small and exquisite, and operating process is to be placed on the fuel tank tank wall, takies hardly other Active workings.

Claims (7)

1. the welding method of an oil tank of transformer is characterized in that may further comprise the steps:
The material that forms oil tank of transformer is grouping by the pattern requirement;
Assembling has the weldering device of automatic walking function;
Adjust welding current, the speed of travel and the angle of welding gun parameter of weldering device;
Carry out welding operation.
2. by the welding method of oil tank of transformer claimed in claim 1, it is characterized in that:
The weldering device that described assembling has automatic walking function is: welding gun is installed on the dolly, the welding gun head is extended by a side of carriage walking direction.
3. by the welding method of oil tank of transformer claimed in claim 2, it is characterized in that:
The side that dolly has a welding gun head is provided with the absorption contact that can reliably contact with material to be welded.
4. by the welding method of oil tank of transformer claimed in claim 1, it is characterized in that:
In welding current, the speed of travel and the angle of welding gun parameter step of adjusting weldering device with carry out between the welding operation step further comprising the steps of:
The dolly trial run checks whether its speed of travel satisfies the speed of welding requirement;
As satisfy the speed of welding requirement, and then carry out test weld, whether what check weld seam or welded junction part linearly satisfies technological requirement;
As satisfy technological requirement, and then continue and carry out the welding operation step, formally weld.
5. by the welding method of oil tank of transformer claimed in claim 1, it is characterized in that: further comprising the steps of:
Weld seam for irregular angle on the fuel tank arranges trolley track;
Position and angle that the dolly matching track is installed the locking device of welding gun by conversion are carried out welding operation.
6. by the welding method of oil tank of transformer claimed in claim 5, it is characterized in that: further comprising the steps of: position and the angle of the locking device by adjusting welding gun, the welding tractor road wheel can't arrive the weld seam at position.
7. by the welding method of oil tank of transformer claimed in claim 5, it is characterized in that: described track is located on the fuel tank steel plate materials or is placed on the support.
CN2011101821492A 2011-06-30 2011-06-30 Welding method of transformer oil tank Pending CN102848088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101821492A CN102848088A (en) 2011-06-30 2011-06-30 Welding method of transformer oil tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101821492A CN102848088A (en) 2011-06-30 2011-06-30 Welding method of transformer oil tank

Publications (1)

Publication Number Publication Date
CN102848088A true CN102848088A (en) 2013-01-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011101821492A Pending CN102848088A (en) 2011-06-30 2011-06-30 Welding method of transformer oil tank

Country Status (1)

Country Link
CN (1) CN102848088A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106346158A (en) * 2016-11-11 2017-01-25 成都陵川特种工业有限责任公司 Automobile spare part end welding technological process
CN107870611A (en) * 2016-09-28 2018-04-03 横河电机株式会社 Workshop analogue means and workshop analogy method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5693286A (en) * 1995-08-17 1997-12-02 Koike Sanso Kogyo Co., Ltd. Cart mounting a welding torch or cutting torch
CN1188702A (en) * 1997-01-23 1998-07-29 日铁溶接工业株式会社 Double-electrode signle gas protective arc welding method and device
EP0897775A1 (en) * 1995-12-20 1999-02-24 Sumiju Technocenter Co., Ltd. Machining vehicle
CN1672848A (en) * 2005-04-01 2005-09-28 刘宪福 Automatic welding machine for annular seam in specially shaped tank
US20100176106A1 (en) * 2006-02-06 2010-07-15 Kim Hardam Christensen Carriage for Automating Welding, Brazing, Cutting and Surface Treatment Processes
CN201769011U (en) * 2010-07-30 2011-03-23 武汉一冶钢结构有限责任公司 Automatic welding tractor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5693286A (en) * 1995-08-17 1997-12-02 Koike Sanso Kogyo Co., Ltd. Cart mounting a welding torch or cutting torch
EP0897775A1 (en) * 1995-12-20 1999-02-24 Sumiju Technocenter Co., Ltd. Machining vehicle
CN1188702A (en) * 1997-01-23 1998-07-29 日铁溶接工业株式会社 Double-electrode signle gas protective arc welding method and device
CN1672848A (en) * 2005-04-01 2005-09-28 刘宪福 Automatic welding machine for annular seam in specially shaped tank
US20100176106A1 (en) * 2006-02-06 2010-07-15 Kim Hardam Christensen Carriage for Automating Welding, Brazing, Cutting and Surface Treatment Processes
CN201769011U (en) * 2010-07-30 2011-03-23 武汉一冶钢结构有限责任公司 Automatic welding tractor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
沈阳变压器厂: "自动焊接在大型变压器油箱上的应用", 《变压器》 *
高宏武: "CO_2半自动焊接小车在电力变压器油箱制造中的应用", 《变压器》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN107870611A (en) * 2016-09-28 2018-04-03 横河电机株式会社 Workshop analogue means and workshop analogy method
CN106346158A (en) * 2016-11-11 2017-01-25 成都陵川特种工业有限责任公司 Automobile spare part end welding technological process

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Application publication date: 20130102