Safety belt reminding and buckling device for front limb beam of double-guide-beam bridge girder erection machine

A safety belt reminding buckling device for a fore limb beam of a double-guide-beam bridge girder erection machine comprises hinged supports fixedly connected to the two ends of a bridge girder erection machine guide rail, the two ends of a rubber-coated steel wire rope are fixedly connected with the two hinged supports through chucks respectively, adjusting screws are installed on the hinged supports, the two ends of a guide wire are fixedly connected with the two adjusting screws respectively, and a copper pipe is sleeved outside the rubber-coated steel wire rope. The distance between the copper pipe and the guide wire is smaller than the diameter of the safety buckle, an audible and visual alarm and an object measuring sensor are arranged on the guide beam, the object measuring sensor is connected with the input end of the controller, the copper pipe, the guide wire and the direct-current power source are connected with the input end of the controller in series through wires, and the audible and visual ala