AN APPARATUS WITH IMPROVED ON LOAD STABILITY AND SAFETY FOR LIFTING AND SHIFTING GAS TURBINE ROTORS.

摘要

A lifting apparatus (A) with improved on load stability and safety for lifting and shifting gas turbine rotors consists of an I-beam (1) connected to a crane hook (6) by slings (5) which passes over a sheave (7) assembled in a carriage (14). A carriage assembly (2) for lifting rotors consists of a carriage (16) having a lifting screw (13) fixed to it. A carriage assembly (3) for slings (5) consists of a carriage (14) having a sheave (7) fixed to it by pin (15). A stopper plate (4) is assembled on the top of the I-beam (1) when slings (11) are rigged to the lifting hooks (8). The lifting screw is provided for vertical adjustment of the hook (8). The I-beam (1) is connected to the slings (5) at two points for making the apparatus stable and safe.