Anti-falling polyurethane sieve plate rail base

The utility model discloses an anti-falling polyurethane sieve plate rail base, and particularly relates to the technical field of sieve plate rail bases, the anti-falling polyurethane sieve plate rail base comprises a rail base body installed on a sieve plate, and a fixing assembly used for being connected with the sieve plate is arranged at the top of the rail base body; the fixing assembly comprises a mounting plate, the mounting plate is mounted at the top of the sieve plate, a mounting hole is formed in the end, away from the sieve plate, of the mounting plate in a penetrating mode, and a hexagon socket screw is arranged in the mounting hole. The steel plate is installed in the rail seat body in an embedded mode, and drilling and tapping are conducted in the steel plate, so that the strength of the rail seat body can be enhanced, the situation that the rail seat body is twisted and fractured is avoided, and then the rail seat body is embedded into the installation holes in the two adjacent sieve plates t