Electric locking device

The utility model relates to the technical field of safety devices, in particular to an electric locking device which comprises a lock body, a lock catch, a lower box body and an upper box body, the lock body is fixed at the bottom of a top cover of the lower box body, the lock body comprises a hook reset spring, a shifting wheel, a hook and a hook bolt, the hook is of a long-strip-shaped structure, and the hook bolt is connected with the lock catch. A wedge-shaped block of a wedge-shaped structure is formed on the upper portion of the inner wall of the lock catch, and the two sides of the bottom end of the lock catch penetrate through the bottom of the upper box body to be connected with the bottom of the wedge-shaped block in a clamped mode; the length of the cross section of the shifting wheel is larger than the distance between the inner walls of the hooks on the two sides, the width of the cross section of the shifting wheel is smaller than the distance between the inner walls of the hooks on the two sid