The crane trolley has four drives, 4 sets of balancing trolleys, the large trolley drives eight drives, 16 sets of balancing trolleys, A3 working level, drive with full vehicle frequency conversion, built-in three-in-one drive. European crane technology is combined with domestic crane technology, and based on the design concepts of modularity, low energy consumption, maintenance-free, safety, easy operation, etc., the configuration, structure and control system are optimized based on common principles. taps to create a new type of tap. This crane has the characteristics of segmented transportation, distributed wheel pressure, video surveillance, backup rope breakage protection, large lifting height, ultra-long span, low rail height, etc., and can widely meet the needs of various industries.