Multistorey garage for buses and method of using same

A multistorey garage for buses, comprising:

• an elevator platform movable between a ground floor of the multistorey garage and an elevated level, comprising a storage and retrieval device and a safety leveling device,
• an elevator transmission system positioned on a top floor of the multistorey garage, the elevator transmission system and the elevator platform being arranged symmetrically with respect to a horizontal central axis of the multistorey garage, the elevator transmission system comprising:
• a main transmission frame,
• a traction wheel mounted on the main transmission frame,
• two motors, one of the two motors being mounted at one side of the traction wheel, and the other of the two motors being mounted at the other side of the traction wheel,
• a transition wheel mounted on the main transmission frame and positioned between the traction wheel and the motor at the one side of the traction wheel, and
• a steering wheel set comprising at least three steering wheels separately mounted on a middle beam, a front end beam, and the main transmission frame of the elevator transmission system,
• a counterweight,
• a steel cable set connected to the elevator transmission system, the counterweight, and the elevator platform,
• a vehicle supporting plate in each parking space of the multistorey garage, and
• a charging device mounted on each vehicle supporting plate;
• wherein the storage and retrieval device comprises:
• a framework,
• two chain boxes respectively mounted at two ends of the framework,
• a chain wheel,
• two parallel chains respectively disposed in the two chain boxes, which are wound around and engaged with the chain wheel,
• two chain pins respectively disposed in the two chain boxes, which are mounted on the parallel chains respectively at a preset distance from a central line of symmetry,
• a motor, and
• a transmission shaft.