Crawler crane for use in both road and rail, has two endless tracks with track wheels that are stable on tracks to ride at bottom of tracks on ground, and two brake-equipped rail wheels to move crane on rail

摘要

The crane has two endless tracks (1) with track wheels, where the track wheels are stable on the tracks to ride at the bottom of tracks on the ground (3). Two brake-equipped rail wheels (2) are provided to move the crane on a rail, where the tracks are laterally mounted to a base.