Non-excavation pipeline lining welding equipment

The invention relates to trenchless pipeline lining welding equipment. The trenchless pipeline lining welding equipment comprises a welding device, a feeding device and a clamping device; the clamping device is used for clamping a pipeline lining to be matched with the welding device to conduct the welding procedure, and the feeding device is used for pushing the welded pipeline lining into a pipeline needing to be repaired. The clamping device comprises a first clamping area and a second clamping area, the first clamping area and the second clamping area are each provided with a pipeline lining, and the opposite end faces of the two pipeline linings abut against each other to form a welding seam; the welding device comprises a welding gun and a driving device, and the driving device is used for driving the welding seam to be welded; the feeding device comprises a first feeding position and a second feeding position, the feeding device moves from the first feeding position to the second feeding position, the