The utility model provides a pour part among tunnel slot moving die carrier, construct both sides by equidistant range at M shape steel, and the same a plurality of left sides of structure are pour the subassembly and are pour the subassembly constitution with a plurality of right sides, subassembly and right side are pour to the left side, and to pour the subassembly all be including the gallows,with installation a plurality of pneumatic cylinders above that, tunnel cable channel -section steel mould, tunnel lateral sulcus steel mould and tunnel signal cable channel -section steel mould, thegallows is connected with M shape steel structure respectively through top lead screw and bottom lead screw, the pneumatic cylinder is located tunnel cable channel -section steel mould, the top of tunnel lateral sulcus steel mould and tunnel signal cable channel -section steel mould, tunnel cable channel -section steel mould, tunnel lateral sulcus steel mould and tunnel signal cable channel -section steel mould all are the bottom surface that fix at the gallows. The utility model discloses can appear the both sides that the steel constructs at M and once only pour a plurality of slots, reducible secondary track circuit drops into, effectively increases productivity and production efficiency.