Rail-mounted mobile charging pile, in-place detection method and mobile charging system

The invention belongs to the technical field of rail-mounted mobile charging, and discloses a rail-mounted mobile charging pile, an in-place detection method and a mobile charging system.The rail-mounted mobile charging pile comprises a charging pile body, a gun rack and a charging connecting device, and the charging connecting device comprises a cable connected with the charging pile body; the charging gun head is connected to one end, far away from the charging pile body, of the cable; the gun rack comprises a gun rack body and a detection device, and the gun rack body is connected with the charging pile body and used for hanging the charging gun head; the detection device is arranged on the gun rack body and is used for detecting whether the charging gun head is hung on the gun rack body or not; a controller and a cable winding mechanism connected with the cable are arranged in the charging pile body, and the controller is used for receiving a detection signal of the detection device and controlling rotati