Liftable vehicle-mounted illuminating lamp

The utility model relates to the technical field of lighting equipment, in particular to a liftable vehicle-mounted lighting lamp which comprises a fixing plate fixedly connected with the bottom wall of a car hopper, a supporting frame is arranged on the upper surface of the fixing plate, and the supporting frame is connected with a mounting plate. A driving part used for driving the mounting plate to move up and down is arranged between the mounting plate and the supporting frame, an illuminating lamp body is fixedly mounted on the mounting plate, a pair of moving blocks arranged on the two opposite sides of the mounting plate correspondingly is arranged on the fixing plate, and fixing rods are arranged on the sides, close to the fixing plate, of the two moving blocks correspondingly; the fixing plate is provided with a fixing hole allowing the fixing rod to be inserted in a sliding mode, the end, away from the fixing plate, of the fixing rod is fixedly connected with a first sliding block, and the side, clo