关键词: 特种汽车；主副燃油箱；燃油切换系统；侧坡行驶安全性

Abstract: For special vehicles limited by the installation space and range of various requirements, the main and auxiliary fuel tanks are usually arranged on the left and right sides, which also brings the vehicle in the side slope driving or damage to the fuel tank and other conditions, can not ensure the normal running of the vehicle. This paper provides a kind of special automobile fuel switching system, can realize the main fuel tank and oil switch, ensure vehicle main fuel tank and each other and with the function of redundancy as, in order to improve the range of the vehicle, solve the vehicle travels side slope fuel tank fuel overflow problems in unilateral, ensure the safety of the car travels in the side slope.

Key words: Special vehicle; Main and auxiliary fuel tanks; Fuel switching system; Side slope driving safety