In the bustling urban landscape, the scarcity of parking spaces has become an urgent issue. The 7 - layer vertical rotary parking system, a type of multi level parking system, also known as a rotary car parking device, is designed to optimize space utilization and improve parking efficiency. Operating Principle The 7 - layer vertical rotary parking system operates based on a simple yet ingenious mechanism. The system consists of multiple circular platforms stacked vertically. When a vehicle needs to be parked, the driver drives the car onto the designated entry platform. Then, the control system calculates the most suitable parking position according to the available spaces. These platforms can rotate both horizontally and vertically. Through a smooth rotation process, the entry platform moves the vehicle to an empty position within the system. When the vehicle needs to be retrieved, the control system quickly locates the vehicle's position. Subsequently, these platforms…