Positioning device for fire-fighting maintenance

The utility model relates to the technical field of fire fighting, and discloses a fire-fighting maintenance positioning device which comprises a base, vertical plates are fixedly connected to the front side and the rear side of the top of the base, a plurality of fixing rods are fixedly connected to the middles of the front sides of the vertical plates, clamping arms are rotatably connected to the peripheries of the fixing rods, and check blocks are slidably connected to the middles of the clamping arms. The ends, away from the fixing rods, of the clamping arms are rotationally connected with clamping wheels, the front side and the rear side of the check block are rotationally connected with rotating discs, the top of the front side of the vertical plate is fixedly connected with a telescopic air cylinder, the left side of the telescopic air cylinder is fixedly connected with a push rod, and the end, away from the telescopic air cylinder, of the push rod is fixedly connected with a mounting block. According