Collapse detection alarm device

The utility model discloses a collapse detection alarm device. A line pipe is fixedly arranged in the road surface, a metal ball is fixedly arranged in the road surface, a connecting line is fixedly bound on the metal ball, and the connecting line is inserted into the line pipe in a penetrating manner; the street lamp is fixedly installed on the road surface, a clamping block is fixedly installed in a lamp tube of the street lamp, a pressing block is placed on the clamping block, one end of the connecting wire is fixedly installed at the bottom of the pressing block, a baffle is fixedly installed in the street lamp and located under the pressing block, a wire passing hole is formed in the baffle, a button is fixedly installed on the baffle, and an alarm lamp is fixedly installed on one side outside the street lamp. The button is fixedly installed on an electric wire of the alarm lamp. According to the collapse detection alarm device, passersby and vehicles can be reminded through the alarm lamp in real time w