Inverted siphon construction joint copper sheet water-stop belt fixing device for three-pipe-one-connection concrete structure

The invention discloses a three-pipe-one-connection concrete structure inverted siphon construction joint copper sheet water stop belt fixing device which comprises an arc steel plate, an inner mold trolley, an inner mold trolley, a copper sheet water stop nose, an inner mold trolley, an outer mold trolley, a copper sheet water stop nose and a copper sheet water stop belt, wherein one side of the arc steel plate is integrally connected with the inner mold trolley; the arc steel wing plate comprises a first steel wing plate and a second steel wing plate which are both perpendicularly fixed to the same side of the arc steel plate, the first steel wing plate is tightly attached to the copper sheet for water stopping, and the second steel wing plate is flush with the top face of the internal mold trolley; the rectangular connecting plate is connected with the arc steel plate, the first steel wing plate and the second steel wing plate into a whole; one right-angle side of the triangular connecting plate is connect