Three-vehicle-type side wall clamp flexible switching system capable of saving space

The utility model provides a space-saving three-vehicle type side wall clamp flexible switching system which comprises a first switching system, and the first switching system comprises a working guide rail which is located at a working position and can translate in the Y direction; the two fixed guide rails are fixedly located on the two opposite sides in the length direction of the working guide rail respectively and connected with the working guide rail in a bearing mode, and the two fixed guide rails are located on the same straight line; the two sets of storage guide rails are located on the sides, away from the working guide rail, of the two fixed guide rails respectively and connected with the corresponding fixed guide rails in a bearing mode, one set of storage guide rails is composed of two storage guide rails which are the same in length and parallel to each other, and the two storage guide rails of the same set of storage guide rails can horizontally move in the Y direction at the same time; and th