In order to minimize the affection of the failure of the frequency-varying hoist of Type-SSJ900 Bridge Girder Erector on construction,the design thinking and working principles for the frequency-varying hoist are introduced and the methods minimizing the affection of equipment failures are studied in detail.

Dynamical function of loadamatic lifting mechanism;

Fuzzy optimization design of hoisting mechanism for tower crane based on genetic algorithm and neural network;

Investigation and analysis of tower crane hoisting mechanism out-of-control accident;

Dynamic analysis of lifting process of crane s hoisting mechanism based on ANSYS;

The idea of visualization is brought into the design calculation,data visualization and COM interface technique are adopted,and program is prepared based on VC language,in order to design the lifting mechanism of bridge crane.

Development of visualization CAD software for hoisting mechanism of crane;

This article focuses on the main hoisting equipment of 75t/5t overhead travelling crane for nuclear power plant to Pakistan CHASHMA fuel plantI,ntroduce the key technologiesf,eatures and design ideas on the main hoisting equipment.