Automobile radiator fixing device

The utility model provides an automobile radiator fixing device which comprises an in-out seat and fixing frames, the in-out seat is arranged on the left side of the upper end face of an automobile radiator body, installation mechanisms are symmetrically arranged on the left end face and the right end face of the automobile radiator body, the fixing frames are symmetrically arranged on the left side and the right side of the automobile radiator body, and adjusting assemblies are arranged on the left end faces of the installation mechanisms. According to the automobile radiator, the double-thread lead screw rotates clockwise, so that the front moving piece and the rear moving piece can drive the two groups of rear clamping blocks and the front clamping blocks to move towards the inner side, the two groups of fixing seats are fixed, and therefore the situation that the automobile radiator body is loosened in the using process is avoided, and when the double-thread lead screw rotates anticlockwise, the double-th