Skid-mounted refueling device capable of avoiding oil leakage

The utility model provides a skid-mounted refueling device capable of avoiding oil leakage, which relates to the technical field of surveying and mapping and comprises a refueling machine, an upper gas collection tank and a main oil tank body. The device is characterized in that an upper gas collection tank is arranged at the rear part of the oiling machine and is fixed at the upper part of the head end of the main oil tank body; the back of the oiling machine fixedly communicates with an oil pump module, side air suction pipelines are fixed to the two sides of the oiling machine and the oil pump module, head air inlet holes are formed in the head ends of the side air suction pipelines, tail end ball valves of the side air suction pipelines are fixedly connected with valve body control rods, and limiting bolts penetrate through the tail portions of the valve body control rods in a sliding mode. The upper gas collection tank is pumped to be in a vacuum or low-pressure state by the oil pump module in advance, t