Oiling device of explosive on-site mixed loading truck

The utility model relates to the technical field of oil filling equipment, in particular to an oil filling device of an explosive on-site mixed loading truck, which comprises an oil storage tank, an oil conveying pipe is fixedly mounted at the side end part of the oil storage tank, a first interface is movably mounted at the side end part of the oil conveying pipe, and a second protective cover is rotatably mounted on the circumferential surface of the first interface. The first protective cover is rotated, the connecting plate drives the fixing block to rotate around the rotating shaft, when the sector plate rotates by a certain angle, the sector plate and the fixing plate are matched to seal the inner wall of the second connector, and meanwhile, the fixing rod is fixed to the second connector under the elastic action of the spring rod. The fixing rod slides in the mounting hole to enable the tail end of the fixing rod to enter the threaded opening, the inner wall of the second connector can be sealed and pr