Simplified positioning pipe pre-assembling platform for cantilever pre-assembling

The invention provides a simplified positioning pipe pre-assembling platform for cantilever pre-assembling. The simplified positioning pipe pre-assembling platform comprises a workbench, a ground rail, a positioning end, a stand column sliding table tool, a pipe support sliding table tool and a positioning pulley. The ground rail is fixedly installed on the workbench, and the positioning pulley is slidably connected with the ground rail; the positioning end is fixed at the end of the ground rail; the stand column sliding table tool comprises a sliding table, a toggle clamp and a positioning pillow, the sliding table is in sliding connection with the ground rail, the toggle clamp is fixed to the sliding table and used for fixing a stand column part, and the positioning pillow is fixed to the sliding table and used for bearing a part to be installed; the pipe support sliding table tool comprises a wedge sliding block, a positioning pillow, a sliding table and a toggle clamp, the sliding table is in sliding conn