Gantry crane can travel

 Be traveling  bridge gantry crane ,  gantry crane is used to this reprint shipment and use of the stack in the warehouse, almost electric powered are generally used only in the infrequent use of very small load on the crane only with human promote.
        On the ground with electric gantry cranes, comparing the high days traveling on the ceiling crane rail equipment required fee less, but at the same load and the same span, the gantry crane's weight is far ceiling cranes large, and thus gantry crane in motion, you need to consume more current. In many cases, especially in the working crane frequent, we think the ceiling overhead traveling cranes on the better, because the ceiling crane  overhead gantry crane  boom cable cost savings amount of current, with the accumulation of time to exceed its orbit equipment costs a lot.
         Moreover days without prejudice to the crane rail on the ground transportation, and can allow a greater speed, this condition when traveling a long distance is very important. But gantry crane travel speed, but subject to limited regulation of safety at work.
        Electric gantry crane can be made whole door-shaped or semi-gantry, for 5-150 deadweight tons, span (varies with load) of 5-30 meters, door height of 5-10 meters. In order to reduce the span sake,  hoist gantry crane  can add one or two outstretched arms outstretched arm.