Dolly is transported to oil

The utility model discloses a dolly is transported to oil, including the automobile body, be equipped with the oil tank on the automobile body, be equipped with the gear pump above the oil tank, correspond the driving motor who is connected with the gear pump to and circuit component, circuit component including the outer hydraulic fluid port that is used for being connected with outside oil container, set up interior hydraulic fluid port in the oil tank, enter the oil pipe way and go out the oil pipe way, enter the oil pipe way and connect gradually outer hydraulic fluid port, first solenoidvalve, gear pump, the interior hydraulic fluid port of second solenoid valve, it connects gradually interior hydraulic fluid port, third solenoid valve, gear pump, fourth solenoid valve, outer hydraulic fluid port to go out the oil pipe way. The utility model discloses an oil feed, the automation mechanized operation of producing oil can be realized to a gear pump, and it can only one -way delivering oil defect to have ov