Rectangular tube assembly welding expanding device
An expansion device and rectangular tube technology, which is applied in the field of rectangular tube group welding expansion device, can solve the problems of reducing labor intensity and high safety hazards, huge manpower and financial resources, and high processing quality requirements, so as to reduce labor intensity and reduce safety. Hidden dangers, the effect of improving product quality
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[0025] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.
[0026] Such as Figure 1 to Figure 3 As shown in the figure, a welding expansion device for rectangular tube assembly includes two expansion brackets 1, an expansion block 2 is arranged between the two expansion brackets 1, the expansion block 2 is provided with a certain taper, and the expansion block 2 is lowered The two expansion brackets 1 will be expanded outward.
[0027] Both sides of each expansion bracket 2 of the present invention are symmetrically provided with an arc groove 7, and the center of the arc groove 7 is outward, and a support leg 5 is slidably connected in each arc groove 7, and one end of the support leg 5 is provided with a sliding shaft , the sliding shaft cooperates with the arc groove 7, the supporting legs 5 are opened, and the ends of the supporting legs 5 are equipped ...
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