Cavitation alarm device of engine cooling system

The utility model discloses an engine cooling system cavitation alarm device, and relates to the technical field of automobile cooling system cavitation alarm equipment, in particular to an engine cooling system cavitation alarm device which comprises an expansion kettle, one side of the upper surface of the expansion kettle is fixedly connected with two clamping assemblies, and the two clamping assemblies are fixedly connected with the expansion kettle. The expansion kettle is connected with a mounting shell in a clamped mode through a clamping assembly, the clamping assembly comprises a mounting block, and a mounting groove is formed in the front face of the mounting block. According to the cavitation alarm device for the engine cooling system, through the arrangement of the pressing head, the spring, the clamping block A, the clamping block B, the mounting bases, the limiting bolt, the sensor and the alarm, when the cavitation alarm device is used, a worker can insert the clamping block A and the clamping