Mobile charging robot and charging method

The invention belongs to the technical field of track mobile charging, and discloses a mobile charging robot and a charging method.The charging method of the mobile charging robot comprises a sliding contact line, a guide rail, a charging robot body and a current collector, and the sliding contact line and the guide rail are oppositely arranged; the charging robot body is connected with a sliding contact line through a current collector, a controller connected with the current collector is further arranged in the charging robot body, and the charging robot body is controlled to put down a charging line according to a control instruction of the controller through the second mileage distance and the first mileage distance. The sliding contact line is connected with the vehicle to be charged through the charging robot body. The method is not affected by the positioning precision in male and female plug-in, the safety performance in the charging process is improved, the charging efficiency is improved, the chargi