Double-face double-arc perforation welding device for aluminum alloy spiral tube
A double-sided double-arc and perforated welding technology, which is applied in welding equipment, arc welding equipment, metal processing equipment, etc., can solve the problems of complex process, time-consuming and labor-consuming, high cost, etc., achieve uniform weld seam, reduce welding defects, Effect of reducing welding cost
Inactive Publication Date: 2017-05-17
JIANGSU JINXIN ELECTRIC CO LTD
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Problems solved by technology
[0003] The aluminum alloy spiral pipe is one of the key components of GIL, but the spiral seam welding of the spiral pipe has become one of the difficulties to be overcome. In the prior art, it is generally necessary to make a bevel along the spiral seam firs
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[0008] Such as figure 1 As shown, the present invention includes a workpiece 2 that is arranged on a spiral welded pipe forming machine 1 and rotates and moves linearly. A welding torch is respectively arranged on the inside and outside of the spiral weld of the workpiece 2. The main welding torch 3 and the auxiliary welding torch 4 are arranged on the spiral welded pipe forming machine 1 respectively, and the main welding torch 3 and the auxiliary welding torch 4 are arranged opposite to each other.
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The invention discloses a double-face double-arc perforation welding device for an aluminum alloy spiral tube and relates to the field of spiral tube production. The welding device comprises a workpiece which is arranged on a spiral welded tube forming machine and performs rotary motion and linear motion. The inner side and the outer side of a spiral welding seam of the workpiece are each provided with a welding gun. The welding gun located at the outer side is a main welding gun, and the welding gun located at the inner side is a subsidiary welding gun. The main welding gun and the subsidiary welding gun are arranged on the spiral welded tube forming machine in an opposite manner. According to the double-face double-arc perforation welding device for the aluminum alloy spiral tube, the double-face double-arc perforation welding mode is adopted, so that an inner welding seam and an outer welding seam of the spiral tube are formed through one step; welding difficulty faced by a welder is lowered; welding deformation is reduced; welding speed is increased; welding efficiency is improved; welding defects are decreased; energy and welding materials are saved; and welding cost is reduced.
Description
technical field [0001] The invention relates to the field of spiral pipe production, in particular to an aluminum alloy spiral pipe double-sided double-arc perforation welding device. Background technique [0002] With the continuous development of the power system, the high-voltage (UHV) power transmission and transformation busbar system (GIL) has shown excellent usability in the power grid due to its advantages of high reliability and long maintenance cycle, and has contributed to the development of China's power industry. It has made remarkable contributions and increasingly shows its immeasurable development prospects. [0003] The aluminum alloy spiral pipe is one of the key components of GIL, but the spiral seam welding of the spiral pipe has become one of the difficulties to be overcome. In the prior art, it is generally necessary to make a bevel along the spiral seam first, and then pass the welding torch along the outer surface of the spiral seam. After welding, i...
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Login to View More IPC IPC(8): B23K9/032
CPCB23K9/0325
Inventor 李兴康汤金根李永全刘璐
Owner JIANGSU JINXIN ELECTRIC CO LTD