Electric wheel edge brake for crane

The utility model relates to the technical field of brakes, in particular to an electric wheel edge brake for a crane. Comprising a base, brake arms are rotationally connected to the left side and the right side of the base correspondingly, brake shoes are rotationally connected to the bottoms of the two brake arms correspondingly, a transmission box is rotationally connected to the top of the brake arm located on the left side, and a transmission mechanism is arranged in the transmission box; a driven box and a driving box are fixedly connected to the right side of the transmission box in sequence from front to back; the brake has the advantages that the sucker, the fixing bolt, the clamping rod and the rotating handle are used in cooperation, an operator rotates the rotating handle to adjust the brake to be in a brake releasing state, the sucker is limited through the clamping rod and the fixing bolt, and the brake is kept in the brake releasing state; an operator can conveniently adjust the braking state o