Assembly type component lifting device

The utility model relates to the technical field of lifting devices, in particular to an assembly type component lifting device which comprises a main body frame, two sets of fixing blocks are fixedly connected to the two sides of the main body frame respectively, plug pins are movably connected to the middles of the two sets of fixing blocks, and connecting shafts are movably connected to the two ends of the main body frame. The middle of the connecting shaft is movably connected with expansion frames, the two sides of each expansion frame are fixedly connected with fixing columns, one end of each expansion frame is movably connected with a rotating shaft, the outer wall of each rotating shaft is movably connected with a transmission wheel, and the improved lifting device is characterized in that the two expansion frames are symmetrically distributed so that the two expansion frames can be unfolded and folded; the space is saved, storage and transportation are convenient, through the belt transmission struct