Anti-shaking device for multi-layer mechanical parking garage

The utility model relates to an anti-shaking device, belongs to the technical field of three-dimensional parking garages, in particular to a multi-layer mechanical parking garage anti-shaking device which comprises a parking disc and four stand columns, the stand columns are arranged at the four corners of the parking disc and fixedly installed on the ground, and sliding grooves are formed in the side wall faces, close to the parking disc, of the four stand columns. The sliding grooves penetrate through the side walls of the stand columns to communicate with the interiors of the sliding grooves, limiting blocks are movably installed in the stand columns and are rectangular blocks matched with the interiors of the stand columns, the four limiting blocks all penetrate through the sliding grooves to be fixedly connected with the parking disc, and the parking disc is provided with a limiting mechanism and a transmission mechanism. The limiting mechanism comprises a movable groove, a baffle, a limiting groove and