Balanced floating mechanism for cantilever

The utility model discloses a balancing and floating mechanism for a cantilever, the balancing and floating mechanism for the cantilever comprises a power module, a transfer plate, the cantilever and an elastic support assembly, the power module drives the transfer plate to move, the cantilever is installed on the transfer plate, the cantilever extends outwards, the elastic support assembly is arranged on the transfer plate close to one end of the cantilever, and the elastic support assembly is connected with the power module. The elastic supporting assembly comprises mounting plates, connecting shafts, roller mounting seats, belleville springs, supporting wheels and supporting plates, the two mounting plates are mounted on the transfer plate, the extending ends of the mounting plates are sleeved with the movable connecting shafts, the lower portions, penetrating through the mounting plates, of the connecting shafts are fixedly provided with the roller mounting seats, and the connecting shafts are sleeved wit