Carrying frame rail separation device

The embodiment of the utility model provides a rail dividing device of a carrying frame. The rail dividing device of the carrying frame comprises a deflector rod and a rail changing baffle. The deflector rod is axially and rotatably mounted on the outer side of the first guide rail, far away from the test rail, in the conveying rail; the first end of the rail changing baffle is fixedly installed between the second guide rail of the conveying rail close to the test rail and the third guide rail of the test rail close to the conveying rail, and the second end of the rail changing baffle is fixedly installed outside the fourth guide rail of the test rail away from the conveying rail. In the transportation direction of the test rail, the fixing position of the first end is located in front ofthe fixing position of the second end, and the fixing position of the deflector rod is located between the fixing position of the first end of the rail changing baffle and the fixing position of the second end of the rail cha