JP2007190611A5 - - Google Patents

Claims (7)

A welding machine beam provided horizontally, a welding carriage supported in a cantilevered manner so as to be able to run on the welding machine beam, and a welding nozzle fixed to the welding carriage; A linear rail and a linear gear rack provided on the upper surface in parallel along the length direction, and the welding carriage has a bearing engaged with the linear rail on the upper surface of the welder beam, and a tooth profile of the linear gear rack. A pinion that engages and a wheel that rolls on an upper plane along the linear gear rack, wherein a portion of the welding carriage is opposite the side of the welder beam adjacent to the linear rail. A traveling apparatus for a welding machine, wherein the traveling apparatus is supported by hanging along a side surface.   Wheels rolling on the upper plane along the linear gear rack are respectively provided at both ends of a frame provided along the length direction of the welder beam, and the center portion of the frame is the welding carriage. The welding machine traveling device according to claim 1, wherein the welding device is supported at one point.   Protruding portions are provided along the longitudinal direction on the side surface of the welding machine beam adjacent to the linear rail, and a fall prevention bracket is provided with one end fixed to the welding carriage and the other end engageable with the protruding portion. The traveling device for a welding machine according to claim 1, wherein the traveling device is a welding machine. The traveling device for a welding machine according to claim 3, wherein the fall prevention bracket is provided corresponding to the number of the bearings . The bearing provided on the welding carriage has a gap penetrating in the length direction of the linear rail provided on the welder beam, and a dustproof cover is provided to cover the upper part of the linear rail through the gap. The traveling device for a welding machine according to any one of claims 1 to 4, wherein the traveling device is a welding machine.   The traveling device for a welding machine according to any one of claims 1 to 5, wherein a cable processing device is disposed between a linear rail and a linear gear rack provided on the upper surface of the welder beam. .   The welding machine according to any one of claims 1 to 6, wherein the welding machine beam has a surface processed for attaching the linear rail and the linear gear rack to an upper surface thereof. Traveling device.