Large pipeline welding windproof device and pipeline welding equipment

The utility model relates to the technical field of large pipeline welding, in particular to a large pipeline welding anti-wind device and pipeline welding equipment, the large pipeline welding anti-wind device comprises a supporting main body, and the supporting main body is detachably connected with an operation platform in a pipeline; the wind shielding component is arranged on the supporting main body, the wind shielding component is in a long strip shape, and the length of the wind shielding component is arranged in the circumferential direction of the inner wall of the pipeline; the wind shielding component is attached to the inner wall of the pipeline. The supporting body and the wind shielding component jointly shield part of a gap between the working platform and the inner wall of the pipeline. The large pipeline welding windproof device can be conveniently arranged on a working platform, the wind shielding component can make close contact with the inner wall of the pipeline, so that the wind shieldi