TOWER CRANE TOWER HEAD Russian patent published in 2009 - IPC B66C23/26 

FIELD: transport.

SUBSTANCE: tower crane tower head comprises 3D metal structure narrowing to the upper part and provided with eyelets in its lower part for jointing to the crane tower frame. It also comprises cargo cable unit, mounting crow brace cable unit and repair crow brace cable unit, all attached at the tower crane head. Cargo cable unit is located on the central lengthwise axis of the aforesaid head. Mounting crow brace cable and repair crow brace cable units are arranged on head rear side. Aforesaid head lateral sides have brackets attached thereto to fasten the mounting crow brace on the left or right sides. The L.H. or R.H bracket accommodates by-pass block arranged at an angle to the head vertical plane of symmetry. Note that the mounting crow brace cable unit is inclined from the head central lengthwise axis of symmetry towards the by-pass block fastened on the bracket.

EFFECT: increased head versatility and ease of mounting.

7 dwg