Flange bolt lock type end plate

The utility model provides a flange bolt lock type end plate which comprises an end plate body arranged at the ends of an upper pile and a lower pile needing pile splicing and a flange plate portion integrally formed with the outer edge of the end plate body, a plurality of penetrating holes used for connecting the upper pile and the lower pile are formed in the flange plate portion, and a plurality of steel bar penetrating holes are formed in one side of the plate face of the end plate body. One side of the steel bar penetrating hole is communicated with a bolt hole for tensioning, one end of the steel bar penetrating hole is provided with a steel bar upset head nest hole for locking the steel bar upset head to resist tension to generate stress, and the other side, far away from the steel bar upset head nest hole, of the end plate body is provided with an apron board groove for inserting and welding an apron board. The flange bolt-lock type end plate is used as a mechanical connector for a concrete pile, and