Civil air defense door leaf splicing frame welding platform

The utility model discloses a civil air defense door leaf splicing frame welding platform which comprises a bottom plate, an installation frame, a fixing assembly and a limiting piece. The mounting rack is mounted on the upper surface of the bottom plate and used for supporting a civil air defense door frame; the fixing assemblies are installed on one side of the upper surface of the bottom plate, each fixing assembly comprises a positioning pin, a fixing piece and a fixing bolt, the positioning pins are installed on the upper surface of the bottom plate, the fixing pieces and the positioning pins are installed in a matched mode, the fixing pieces are fixed to the frame in an abutting mode, and the fixing bolts are used for fixing the fixing pieces; the multiple limiting pieces are installed on the upper surface of the bottom plate and used for limiting the frame. According to the civil air defense door leaf splicing frame welding platform, the structure is compact, the frame is convenient to install, and the