Engine air leakage checking and measuring device

The utility model discloses an engine air leakage checking and measuring device which comprises a base, the top of the base is fixedly connected with a fixing plate, one side of the fixing plate is sequentially provided with a pressure gauge A and a pressure gauge B from top to bottom, the pressure gauge A is provided with an air pipe A, the pressure gauge B is provided with an air pipe B, and the other end of the air pipe A and the other end of the air pipe B are fixedly provided with connecting nozzles. A nitrogen tank is arranged on one side of the top of the base. The engine cylinder air leakage detection device is simple in operation, can rapidly detect the air leakage condition of an engine cylinder, improves the detection effect, facilitates the insertion of a connecting nozzle on an air pipe A or an air pipe B through the opening, can elastically clamp the inserted connecting nozzle through the elastic clamping pad, guarantees the insertion stability, and improves the detection efficiency. And therefo