Underground water accumulation prevention charging pile for new energy vehicle

An underground water accumulation prevention charging pile for a new energy vehicle comprises a pre-assembling barrel arranged underground, a charging pile body arranged in the pre-assembling barrel and a top cover used for sealing the top of the pre-assembling barrel, a sealing strip is fixed to the top of the inner wall of the pre-assembling barrel in the circumferential direction, and a lifting table is arranged at the bottom of the pre-assembling barrel through a lifting driving mechanism; the shape and size of the lifting table are matched with the inner section of the preassembling cylinder, a bottom sealing groove is formed in the circumferential direction of the lifting table, the charging pile body is fixedly arranged on the lifting table, the top cover is erected above the lifting table, and a top sealing groove is formed in the circumferential direction of the top cover; the top sealing groove and the bottom sealing groove can be in sealing fit with the sealing strips respectively. The water accumu