Click image to view full size image
BZ type jib crane consists of a column, a variable section arm, a slewing bearing drive, and an electric hoist or winch. The jib crane is fixed on the concrete foundation by the base anchor bolt, and the motor drives the reducer gear to mesh with the slewing bearing to drive the cantilever rotation, and the electric hoist or the hoisting machine performs the round-trip operation on the sealing arm steel beam.
link:https://www.kinocranes.sg/jib-crane/jib-crane-by-capacity/jib-hoist-crane.html
Jib Hoist Crane | Kenancranes