Fuel tank body adjusting method, system and device

The invention discloses a method, a system and a device for adjusting a fuel tank body. The method comprises the following steps: acquiring tension data of each lifting seat of the fuel tank body; according to the tension data of each lifting base and a preset tension threshold value, the vertical moving direction of each lifting base is obtained; acquiring line operation condition data when the vehicle runs; according to the line operation condition data and a preset rule, obtaining adjustment data of a fuel tank body; the displacement of each lifting seat in the fuel tank body is adjusted through the control module according to the vertical moving direction of each lifting seat and the adjustment data of the fuel tank body, so that the liquid level in the fuel tank body is kept stable; according to the method, the inclination position of fuel oil in the fuel oil tank body is fed back through the tension value of the lifting seat, the lifting seat is controlled by the control module to move vertically, the p