The utility model relates to a cable carrying crane of applicable different main push -towing rope centre -to -centre spacing, including the main couple, be equipped with hydraulic hoist on the main couple and construct, the main couple includes a plurality of trusss festival section, and the connecting plate of oriented outer extension is welded respectively to the left and right sides at the upper chord of every truss festival section and the both ends of lower chord, a plurality of screws have been predetermine on the connecting plate, the main couple saves the mutual butt joint of sectionby a plurality of trusss and forms, and two adjacent trusss festival section high strength bolt for the connecting plate through upper chord and lower chord tip connect.