Foundation pit supporting auxiliary construction equipment for house building

The foundation pit supporting auxiliary construction equipment for the house building comprises a bottom plate and one or more supporting sets, and a plurality of fixing nails used for fixing the bottom plate are distributed above the bottom plate; the supporting sets are sequentially fixed to the upper portion of the middle of the bottom plate in an overlaid mode from bottom to top, each supporting set comprises main supporting columns, side supporting rods, side supporting plates, sliding sleeves and auxiliary rods, at least two main supporting columns are connected end to end through a fixing structure, and the bottom of the lowest main supporting column is connected to the upper portion of the bottom plate; at least four side supporting rods are evenly distributed on the periphery of the main supporting column, the ends, away from the main supporting column, of the side supporting rods are connected to the side supporting plates, the sliding sleeves are slidably connected to the peripheries of the side su