Cylindrical single-ring underground garage

The utility model discloses a cylindrical underground garage which comprises a cylindrical underground space structure, a parking layer is arranged in the cylindrical underground space structure, anda parking space and a first reference structure associated with the parking space are arranged on the parking layer; the lifting device is provided with a lifting mechanism, at least one layer of vehicle carrying platform capable of rotating in the circumferential direction, a vehicle carrying space located on the vehicle carrying platform and a second reference structure associated with the vehicle carrying space; the trackless conveying mechanism is movably arranged on the vehicle carrying platform and is provided with a conveying mechanism body; the device comprises a jacking device, a walking mechanism, a power mechanism and a remote control device. The control device is used for controlling lifting of the lifting mechanism and rotation of the vehicle carrying platform; when the jacking device is in the contra