Water jetting equipment for static-pressure pile sinking construction

The utility model discloses water jetting equipment for static-pressure pile sinking construction. The water jetting equipment comprises a water jetting pipe and a water pump, wherein the upper end of the water jetting pipe is communicated with the water outlet of the water pump through a water supply pipe. The water jetting equipment is characterized by further comprising a pipe pile top cover, a water return pipe, a water collecting sedimentation tank and a water storage pond, wherein the pipe pile top cover is arranged above the pile top of a pipe pile; the cavity of the pipe pile top cover is communicated with the cavity of the pipe pile; the water inlet end of the water return pipe is communicated with the cavity of the pipe pile top cover; the water outlet end of the water return pipe is communicated with the water collecting sedimentation tank; the water collecting sedimentation tank is communicated with the water storage pond; and the water inlet of the water pump is communicated with the water storag