Lifting device facilitating slab conveying

The lifting device comprises a base, supporting columns are fixedly connected to the four corners of the upper surface of the base, partition plates are fixedly connected to the side faces of the supporting columns, containing grooves are formed in the upper surfaces of the supporting columns, and limiting discs are movably connected to the inner walls of the containing grooves; the upper surface of the limiting disc is fixedly connected with a supporting rod, and the top end of the supporting rod is fixedly connected with a supporting plate. By means of the base plate and the limiting plate, slabs can be conveniently stacked, by means of the fixed plate, the movable plate and the base plate, the base plate can conveniently drive the slabs to move through the movable plate, follow-up slabs can be conveniently placed on the fixed plate through the base plate, and by means of the supporting plate, the disc and the fixed plate, the fixed plate can conveniently rotate, and the moving angle of the slabs can be con