Wire stringing device for crossing frame

The invention discloses a stringing device for a crossing frame, which comprises a wire clamping assembly and a shell, two long sliding rails are arranged on the shell, a first sliding block and a second sliding block are slidably connected to each long sliding rail, each first sliding block is connected with a first translation rod, each second sliding block is connected with a second translation rod, each first translation rod is fixedly connected with a limiting clamp, and each limiting clamp is fixedly connected with a second translation rod. The second translation rod is fixedly connected with a locked piece; the fork-shaped mechanism comprises two wire clamping insulating plates, two ends of each wire clamping insulating plate are respectively provided with a wire clamping assembly, the wire clamping assembly arranged in the middle is provided with a wire stringing piece, the wire stringing support comprises a rod sleeve, a rod body is arranged in the rod sleeve, the top end of the rod body is provided