BS80A lateral top bending block

The utility model discloses a BS80A lateral top bending block, which relates to the technical field of steel rail straightening and comprises a top bending block, a profiling convex block is arranged on one side of the top bending block, the top bending block is mounted in a mounting groove, the mounting groove is mounted at the output end of a hydraulic cylinder, a bearing plate is mounted on a base of the hydraulic cylinder, and a plurality of rail wheels are rotatably connected to two sides of the bearing plate. The rail wheels abut against rails used in cooperation with the rail wheels, and the rails are installed on the bottom frame. According to the top bending block designed by the utility model, the convex block imitating the bending radian of the steel waist of the steel rail is arranged on one side of the top bending block, and the convex block can be fully attached to the outline of the steel waist of the steel rail during straightening, so that the top bending block is prevented from falling off a