Bus pull ring power generation system

The invention discloses a bus pull ring power generation system which comprises a plurality of pull ring power generation devices and a storage battery. Each pull ring power generation device comprises a shell, a vertical shaft, a rotary device, a flywheel and a direct-current generator, the shells are fixed beside bus pull rings, the vertical shafts are fixed to the inner walls of the shells, each rotary device comprises a rotary shell and a volute spiral spring, one end of the inner side of each volute spiral spring is fixed to the corresponding vertical shaft, the other ends of the inner sides of the volute spiral springs are fixed to the rotary shells, the rotary shells can rotate around the vertical shafts, one end of each pull rope is fixed to the corresponding rotary shell, the other ends of the pull ropes are fixed to the bus pull rings, outer wheels of the flywheels are fixedly connected with the rotary shells, inner wheels of the flywheels are fixedly connected with input shafts of the direct-current generators, and the output ends of the direct-current generators are connected with the storage battery. The bus pull ring power generation system is simple in structure, convenient to use and low in price, energy saving and environmental protection are achieved, car engine fuel oil can be saved, and the cost performance is high.