Semi-automatic gas shield welding construction technology for aluminum conductors
A construction process and technology of aluminum conductors, which are applied in manufacturing tools, welding equipment, arc welding equipment, etc., can solve the problems of complicated preparation process, low labor efficiency, burners caused by strong acid and alkali, and reduce slag inclusion and unwelded welding. The probability of penetration defects, the guarantee of welding quality, and the effect of improving the quality of welds
Inactive Publication Date: 2013-06-19
SICHUAN NO 3 ELECTRIC POWER CONSTR
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Problems solved by technology
[0003] During installation and construction, the traditional welding process is oxygen welding and manual tungsten argon arc welding; oxygen welding requires auxiliary special flux, and the preparation process before welding is complicated. During welding, one is serious burning of alloy elements, and the other is poor weld formation. , The third is that the welding deformation is large, and the fourth is that the welding wire has to undergo chemical cleaning processes such as alkali washing and acid neutralization, which brings unsafe factors to welders caused by strong acid and alkali burns
Manual argon arc welding requires special welding equipment, the welding speed is slow and the labor efficiency is low, the strong arc heat radiation is harmful to the welder, and the welding wire also has a chemical cleaning process
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[0019] like figure 1 , figure 2 Shown is a semi-self gas shielded welding construction process for tubular aluminum conductors provided by the present invention with safe operation, high production efficiency and guaranteed welding quality. The construction process includes the following steps:
[0020] a. Assembly of aluminum conductors: Assemble the tubular aluminum conductors 1 that need to be welded and connected as required;
[0021] b. Preparation of welding equipment. While assembling the aluminum conductor, first install the U-shaped wire feeder, soft plastic wire guide sleeve and air-cooled welding torch on the four-wheel wire feeder of the semi-automatic gas shielded welding equipment, and then install the four-wheel wire feeder. The sending machine is installed on the positive pole of the semi-automatic DC gas shielded welding equipment to form a DC reverse connection state, and the arc force soft and hard selection button of the semi-automatic DC gas shielded we...
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Abstract
The invention discloses semi-automatic gas shield welding construction technologies and particularly discloses a semi-automatic gas shield welding construction technology for aluminum conductors, belonging to the technical field of arc welding production of non-ferrous metals. The invention provides the semi-automatic gas shield welding construction technology for the tubular aluminum conductors which has safety for operation, high production efficiency and ensured welding quality. The construction technology comprises the following steps of: firstly assembling the tubular aluminum conductorsneeded to be welded, meanwhile, mounting a U-shaped wire-feeding wheel, a flexible plastic wire-guiding sleeve and an air-cooling welding gun on a four-wheel wire feeder, then mounting the four-wheelwire feeder on the positive pole of semi-automatic gas shield welding equipment; and cleaning the range of 30-50 mm away from the periphery of welding junction parts of the tubular aluminum conductors, preheating the welding junction parts which are eligibly cleaned to the temperature not lower than 200 DEG C, switching on the welding power source of the semi-automatic direct-current gas shield welding equipment, carrying out welding on welding junctions till a whole welding junction is finished welding.
Description
technical field [0001] The invention relates to a construction process for semi-automatic gas shielded welding, in particular to a construction technology for semi-automatic gas shielded welding of aluminum conductors, and belongs to the technical field of arc welding production of non-ferrous metals. Background technique [0002] Aluminum conductors made of aluminum materials have been widely used in the power industry as electrical energy carriers. Tubular aluminum conductors are used in the indoor and outdoor overhead busbars of substations, and the connecting lines from generators of thermal power plants to main transformers. The power plant generator lead wire is generally a closed tubular aluminum conductor, the middle pipe is a conductor, the outer pipe is a closed shell, and the conductor and the shell are supported by a porcelain bottle, which we call aluminum busbar; aluminum busbar equipment is due to transportation problems due to manufacturing considerations , ...
Claims
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IPC IPC(8): B23K9/16B23K9/133B23K9/235
Inventor 谭立国龙晓周周建军陈伟孙勇
Owner SICHUAN NO 3 ELECTRIC POWER CONSTR
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