Vehicle battery pack automatic quick-change system and quick-change control method thereof

The invention relates to a vehicle battery pack automatic quick-change system and a quick-change control method thereof, a battery support and a piling car are arranged in a battery bin, the lowest layer of the battery support is a cache mechanism, and a battery pack storage position is arranged above the cache mechanism; a wheel lifting mechanism is arranged on the battery replacing platform and can vertically move the vehicle chassis support. The battery replacing vehicle can move back and forth between the lower portion of the battery support and the lower portion of the vehicle chassis support, and a quick-changing lock assembly is arranged on the battery replacing vehicle and can lock or unlock the battery pack full of electricity or lack of electricity and the vehicle chassis support. The temporary storage mechanism vertically lifts the battery pack with insufficient power to separate the battery pack from the battery replacing vehicle, so that the battery replacing vehicle is in an idle state; and the