Backing plate device
A backing plate and lifting device technology, applied in arc welding equipment, manufacturing tools, welding equipment, etc., can solve problems such as gap deviation, easy damage to the groove belt, and inability to obtain the shape of the welding back bead
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[0059] [Backing device]
[0060] Embodiments of the backing device of the present invention will be described in detail with reference to the drawings. In the description of the embodiment, the longitudinal direction is the direction parallel to the weld groove of the steel plate to be welded, and the width direction is the direction perpendicular to the weld groove and the plane of the backing copper plate.
[0061] Such as figure 1 As shown, the backing plate device 10 of the present invention is used in a single-sided welding device 1 for connecting steel plates E, E, which are formed on one side with a length of 10 to 30 m, and is welded using flux, that is, backing plate flux. (such as single-sided submerged arc welding) devices.
[0062] The backing device 10 of the present invention has a first backing member 11a and a second backing member 11b. Either one of the first backing member 11a and the second backing member 11b is disposed directly under the weld groove M, ...
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