tower crane of enable use T-type crane and Luffing crane

摘要

Disclosed is a T-type tower crane for moving the hook by a trolley horizontally moved along the jib, and a roughing tower crane capable of rotating the jib in which the hook is lifted by the wire at the end is rotated up and down. Can be selected according to the workplace environment,;Multipurpose tower crane according to an embodiment of the present invention,;A mast mounted vertically on the ground,;Counter jib is rotatably mounted in the left and right directions due to the driving of the turning device on the top of the mast,;A jib rotatably fixed in a vertical direction on a counter jib,;A trolley mounted horizontally on the jib for use as a T-type tower crane, the hook being lifted up and down by a hoist wire,;An upper tower mounted at the top of the mast and supporting jibs and counter jibs,;One end is fixed to the upper tower and the other end is fixed to the front of the jib, the jib suspension for supporting the jib,;A counterweight fixed to the counter jib and maintaining a balance for the center of gravity movement of the jib according to the weight lifting;;A hoist winch mounted on a counter jib and lifting a hook vertically by a hoist wire wound on a winch when the driving motor for the hoist is driven;;A roughing winch mounted on a counter jib for use as a roughing tower crane, and rotating the jib in an up and down direction by a roughing wire wound around the winch when the driving motor for roughing is driven;;Including a trolley winch mounted on the jib and horizontally moving the trolley along the jib by a trolley wire wound on the winch when the drive motor for the trolley is driven,;Depending on the environment of the workplace, it can be used either as T type tower crane or roughing type tower crane.;T and roughing tower cranes, winches, jibs, hoists