Crane power system, control method and tire crane

The invention relates to the field of engineering machinery, and discloses a crane power system, a control method and a tire crane, the crane power system comprises a loading hydraulic system and a braking hydraulic system, and the crane power system further comprises an engine, a gearbox, a main oil pump, a power takeoff, a power takeoff oil cylinder and an oil cylinder control system, the main oil pump is used for pumping a hydraulic oil pump of a hydraulic oil source to the loading hydraulic system, the power takeoff is connected with the gearbox and the main oil pump, the power takeoff can be switched between an off state and an on state under the driving of the power takeoff oil cylinder, the oil cylinder control system comprises an oil inlet oil way, and the oil outlet end of the oil inlet oil way is connected with the power takeoff oil cylinder; and the oil inlet end is connected with a brake hydraulic system. Oil consumption of the crane in the running process is effectively reduced, the running capac