Three-dimensional warehouse system

A container storage system, comprising:

• a rack comprising a track structure and defining at least one load-bearing platform, the track structure comprising a plurality of running tracks, and the at least one load-bearing platform being located below the running tracks;
• a plurality of containers, each container configured to store goods, and at least part of the containers being stacked and placed on the at least one load-bearing platform;
• a carrier vehicle configured to move back and forth on the running tracks to perform storage and retrieval operations to containers in the container storage system;
• and
• a track-switching device configured to switch the carrier vehicle from a current running track where the carrier vehicle is located to a target running track;
• wherein the track-switching device comprises:
• a transition track connected with an end of each running track;
• and
• a track-switching vehicle located on the transition track and movable back and forth on the transition track, the track-switching vehicle configured to receive the carrier vehicle and transport the carrier vehicle along the transition track to the target running track;
• wherein the track-switching vehicle comprises a vehicle body and a moving mechanism mounted on the vehicle body, the moving mechanism is connected with a driving device, and the driving device drives the moving mechanism to drive the track-switching vehicle to move back and forth on the transition track;
• wherein the track-switching vehicle is provided with docking rails on its vehicle body, and the docking rails are configured to be docked with the running track to receive the carrier vehicle.

A container storage system, comprising:

• a rack comprising a track structure and defining at least one load-bearing platform, the track structure comprising a plurality of running tracks, and the at least one load-bearing platform being located below the running tracks;
• a plurality of containers, each container configured to store goods, and at least part of the containers being stacked and placed on the at least one load-bearing platform;
• a carrier vehicle configured to move back and forth on the running tracks to perform storage and retrieval operations to containers in the container storage system, and
• a track-switching device configured to switch the carrier vehicle from a current running track where the carrier vehicle is located to a target running track;
• wherein the track-switching device comprises:
• a transition track connected with an end of each running track;
• and
• a track-switching vehicle located on the transition track and movable back and forth on the transition track, the track-switching vehicle configured to receive the carrier vehicle and transport the carrier vehicle along the transition track to the target running track;
• wherein the track-switching vehicle comprises a vehicle body and a moving mechanism mounted on the vehicle body, the moving mechanism is connected with a driving device, and the driving device drives the moving mechanism to drive the track-switching vehicle to move back and forth on the transition track;
• wherein the moving mechanism of the track-switching vehicle comprises a two-axle roller assembly and a roller driving device, the roller driving device comprises a motor and a transmission pair, the transmission pair connects the roller driving device and roller axles, both ends of each roller axle are provided with rollers, the roller driving device drives the roller axles to rotate through the transmission pair, and the roller axles drives the rollers to rotate.