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19-11-2014 дата публикации

Internal supporting and external hooping non-fixing-and-spot-welding girth welder applicable to one-side welding with back formation

Номер: CN104148868A
Автор: LUO DEYANG, LYU QIBING, ZHANG XI, SHEN GANG, MING ZHU, WANG FAKE, YANG WULIN, LIU HONGWEI
Принадлежит:

The invention relates to a welding tool, in particular to an internal supporting and external hooping non-fixing-and-spot-welding girth welder applicable to one-side welding with back formation. The internal supporting and external hooping non-fixing-and-spot-welding girth welder comprises a base platform; an assembly base capable of rotating around a support point is mounted over the base platform. A fixed rotating block is mounted at the right end of the upper surface of the assembly base. The fixed rotating block is connected with an inner supporting device and a first clamping mechanism. A first drive motor is mounted at the upper end of the fixed rotating block. The internal supporting and external hooping non-fixing-and-spot-welding girth welder has the advantages that three or more rotors can be welded with the welder, one-side girth welding with back formation is adopted, no fixing and spot welding process is not preliminarily required during girth welding, welding efficiency is ...

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Номер записи: 1
05-11-2014 дата публикации

Longitudinal seam welding machine suitable for thin-wall small-diameter suspended single-face welding and double-face forming

Номер: CN104128736A
Автор: LUO DEYANG, LYU QIBING, ZHANG XI, LIU YU, FENG JIANWEI, LI LISHENG
Принадлежит:

The invention relates to welding equipment, in particular to a longitudinal seam welding machine suitable for thin-wall small-diameter suspended single-face welding and double-face forming. The longitudinal seam welding machine comprises a rack. The rack is provided with a work-piece locating device, folding and pressing devices, a central spindle supporting device, a central spindle device, a centering device and a walking gantry welding device. The first folding and pressing device and the second folding and pressing device are located on a sliding rail and connected with a horizontal air cylinder. The central spindle device is located above the locating device. According to the technical scheme, acting force is exerted on a longitudinal seam of a rolling pipe from left and right, under the effect of the misalignment-preventing centering device, seam alignment of a work-piece can be finished without manual adjustment, the straightness of butt seams can be ensured, and the phenomena that ...

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Номер записи: 2