Battery replacement robot device and full-automatic battery replacement method thereof

According to the battery replacing robot device and the full-automatic battery replacing method thereof, intelligent battery replacing is achieved only by adopting a single body structure, the structure and the battery replacing process are simple, and meanwhile the overall intelligent level of a battery replacing cabinet is improved. The device comprises a cabinet body and a robot chassis, the robot chassis is arranged at the bottom of the cabinet body and used for freely walking to a designated position according to requirements; a plurality of battery cabins are arranged in the cabinet body, openings of the battery cabins are formed in the two side faces of the cabinet body, and the battery cabins on the two side faces are arranged in a front-back staggered mode; the automatic translation door is used for automatically opening and closing the battery compartment; the charging device further comprises a battery in-place detection switch, and the battery in-place detection switch is of a mechanical push rod