Brake safety detection device of automatic ladder

The utility model relates to the technical field of elevator safety, in particular to a brake safety detection device of an automatic ladder, which comprises an escalator body, a handrail part, a main controller, an electric signal collector, a test component and a test piece, the electric signal collector is used for collecting a power signal of the escalator body, the electric signal collector is in signal connection with the main controller, the test assembly is used for providing real-time three-dimensional coordinates of a test piece and transmitting coordinate data to the main controller, and the test assembly is detachably arranged on the handrail part or an exit of the escalator body or an entrance of the escalator body. According to the braking safety detection device of the automatic ladder, the test assembly can be started to collect and obtain the moving condition of the test piece when the escalator body is powered off, the moving distance, the moving time and the moving speed of the test piece a