Lower cabinet body of tramcar driving position

The utility model discloses a lower cabinet body of a tramcar driving position. The lower cabinet body comprises a left cabinet, a middle cabinet and a right cabinet, wherein the left cabinet, the middle cabinet and the right cabinet are in clamping connection to form a U-shaped lower cabinet body; a plurality of rows of long strip-type heat sink strips are arranged on a cabinet door of the left cabinet; the right cabinet adopts a folded manner; commonly used buttons are arranged on the cabinet door, on the inner side, of the middle cabinet. The lower cabinet body of the driving position adopts a through and long heat radiation structure which can meet the heat radiation requirement of inside equipment and keep an electrical cabinet from external impurities; the right cabinet adopts the folded manner, so that the limited space of the cab can be efficiently utilized, the equipment in the right cabinet can be ensured to be mounted, and a driver can be convenient to enter in or exit the driving position through the area; a functional area of the commonly used buttons which are frequently used in the driving process is arranged on the right side cabinet door of the lower cabinet body of the driving position, so that the better driving comfort can be achieved; compared with the conventional mode that the functional area of the commonly used buttons is arranged on the driver seat armrest, the cost can be reduced.