Rapid leak detection device for automobile air cylinder

The utility model relates to a rapid leak detection device for an automobile air cylinder, which comprises a bottom frame, a support frame arranged above the bottom frame, a V-shaped support block fixed on the support frame, a V-shaped pressing block arranged above the V-shaped support block, support columns fixed at the tops of two ends of the bottom frame, a mounting frame fixed at the tops of the support columns, and a detection water tank fixed at the top of the bottom frame. A valve is arranged at the outer end of the air inlet pipe; a pressure gauge is arranged on the air inlet pipe on the inner side of the valve; an air delivery hose is fixed at the inner end of the air inlet pipe, and is connected with a quick-change connector; and the support frame is connected with a lifting cylinder, and the lifting cylinder is fixed on the mounting frame. By arranging the lifting cylinder, the support frame for supporting and placing the air cylinder can be driven to lift into and out of the water tank, and whethe