Slurry loss prevention and water prevention construction device for trenchless pipe outer shell forming

The utility model discloses a slurry loss prevention and water prevention construction device for a trenchless pipe outer shell, which comprises a pipe jacking machine and a plurality of pipe sections connected with the pipe jacking machine, and further comprises a mold section arranged between the pipe jacking machine and the first pipe section, the mold comprises an inner mold and an outer mold which are arranged together in a sleeved mode, the inner mold and the outer mold are connected in a closed mode at the advancing ends of mold sections, and a first pouring cavity used for pouring a shell is formed between the inner mold and the outer mold. The shell and the outer edge of the pipe joint are spaced to form a second pouring cavity; the inner mold is provided with a plurality of first grouting holes communicated with the first pouring cavity, the multiple grouting holes are connected with squeezing equipment, each pipe joint is provided with a plurality of second grouting holes communicated with the seco