ELEVATOR Russian patent published in 2015 - IPC B66F1/08 B66F7/00 B66F3/24 B66F11/00 

FIELD: construction.

SUBSTANCE: elevator relates to lifting gears with a pitch method of lifting (lowering) mainly of large-sized heavy-weight superstructures of railway bridges and can be used mainly at construction or removal of large-sized railway bridges with spans of a formed type with inclined portals on both ends of a truss. The elevator includes vertical racks on which there installed horizontally from above is a cross-beam having attachment assemblies of a load-carrying element, hydraulic power elements. A load-carrying element includes vertical perforated hoses contacting to pick-up and movable supporting beams supported from bolsters reinstalled into openings of perforation of vertical perforated tie-rods. Power elements representing hydraulic jacks attach the pick-up beam and the movable supporting beam; with that, the elevator is equipped with working platforms arranged on the pick-up and movable supporting beams, which have exits to stairs fixed on vertical racks of the elevator. In order to perform these works, at least two elevators are required.

EFFECT: invention provides cheapening of an elevator design and improvement of its operating reliability.

7 dwg