OVERHEAD CRANE Russian patent published in 2023 - IPC B66C17/00 

FIELD: crane manufacturing.

SUBSTANCE: overhead crane is a bridge consisting of two main and two end beams, along the main beams of which a cargo trolley resting on wheels with a moving mechanism and a cargo winch moves. The main beams have an I-beam cross section and are interconnected by cross braces located along the length of the beams from their inner side. The cargo trolley consists of the upper and lower parts, interconnected by vertical ties, with the possibility of dismantling, located on the outside of the main beams of the bridge. On the upper part of the cargo trolley, a mechanism for its movement and a cargo winch for the lifting mechanism are installed. On the lower part of the cargo trolley, along the axis of the bridge, a chain hoist of the crane cargo system is installed. At the edges of the upper and lower parts of the cargo trolley, rope elements are installed - a block crane system that provides rope pulling from the drum of the cargo winch to the pulley block of the crane cargo system.

EFFECT: increased efficiency of manufacturing and use of the metal structure of the crane bridge of medium and heavy lifting capacity.

4 cl, 8 dwg