Reading-check-billing data storage cabinet of electric power company and data storage method thereof

The invention discloses a reading-check-billing data storage cabinet of an electric power company. The reading-check-billing data storage cabinet comprises a combined cabinet body, a main console and a data transfer vehicle, wherein the combined cabinet body comprises multiple storage units; the main console comprises a controller and a data storage system; the data storage system comprises a data delivery mechanism, a data outlet, a data reception mechanism, a data inlet, a data filing mechanism and a data recycling part; the data transfer vehicle comprises a bottom plate, a motor, a roller, a bracket and a support plate; a connection rope is arranged on the support plate; a pulley is arranged at the top end of the bracket; a coiling wheel is arranged in the bottom plate; an output shaft of the motor is sleeved with a sleeve; a connecting rod is sleeved in the sleeve; a second driven gear is arranged on the coiling wheel; a driving gear is arranged on the output shaft of the motor; and a telescopic mechanism