Crane supporting leg locking pin for railway rescue

The utility model discloses a crane landing leg locking pin for railway rescue, which relates to the technical field of crane landing leg locking pins and comprises a rescue crane locking pin body, the rescue crane locking pin body comprises a landing leg frame, and a locking pin mechanism is fixedly mounted on the inner side surface of the top of the landing leg frame. The locking pin mechanism comprises a pushing unit, an attaching deformation anti-skid unit is arranged at one end of the pushing unit, the pushing unit comprises a protective sleeve shell, a rotating device is fixedly installed on the inner side surface of the protective sleeve shell, and a threaded rotating rod is fixedly connected to the output end of the rotating device. The device is matched with a rotator at the same time to rotate a threaded rotating rod, so that a sliding block on the outer side surface of the threaded rotating rod slides, when the sliding block slides towards one side, a swing supporting pushing arm on the outer side