Small-clear-distance tunnel secondary lining trolley side mold horizontal transverse moving structure

The utility model discloses a small-clear-distance tunnel secondary lining trolley side mold horizontal transverse moving structure, a side mold is movably connected with a top mold through a rotating arm, the rotating arm is formed by a rotating pin shaft penetrating through a rotating arm plate and a rotating sleeve, an annular groove is machined in the outer ring of the rotating sleeve, and a side mold transverse moving oil cylinder and a long sliding sleeve are arranged on a top mold cross beam of the top mold; one end of the rotating arm is installed in the long sliding sleeve of the top mold cross beam through a rotating pin shaft and connected with the rotating hoop on the piston rod of the side mold transverse moving oil cylinder in an embedded and matched mode through the annular groove, and the other end of the rotating arm is connected with the side mold. It is guaranteed that after the secondary lining trolley is demolded, the side mold and the secondary lining concrete wall face have enough dista