Abstract：Research purposes： As the structural characteristics of metro vehicles, the train should be jacked by the equipment for jacking the train in fixed formation to improve the work efficiency of maintenance operation. Through analyzing and comparing the different methods of jacking train, this paper researches on the performance and mechanism of equipment for jacking the train in fixed formation in order to choose the reasonable type of the equipment for jacking the train in fixed formation in metro depot.
Research conclusions ： The paper suggested that the equipment for jacking the train in fixed formation was the indispensable equipment in metro depot. And we should pay attention to the issues that refereed to the equipment for jacking the train in fixed formation in the process of the technical design in metro depot. When we chose the type of equipment for jacking the train in fixed formation, we should pay attention to the synchronization of operation of the equipment to ensure safe operation. When train was long, it could be divided into two units for maintenance operation to improve the safety coefficient of maintenance operation.
2008, Vol. 25 
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