Lifting type welding platform for pipe fitting assembly

The invention discloses a lifting type welding platform for pipe fitting assembly, and relates to the technical field of building welding. The pipe fitting assembling device comprises a channel steel plate, supporting assemblies and a clamping assembly, the two symmetrically-distributed supporting assemblies are arranged at the top of the channel steel plate, the distance between the two supporting assemblies is adjusted through a supporting adjusting mechanism, and a first pipe fitting and a second pipe fitting which wait to be assembled together are supported on the two supporting assemblies correspondingly; clamping assemblies are arranged on the two sides of the first pipe fitting and the two sides of the second pipe fitting correspondingly, and the distance between the clamping assemblies on the two sides is adjusted through a clamping adjusting mechanism. By arranging the supporting assembly and the clamping assembly, the welding platform can be used for assembly welding of pipelines and pipe fittings,