Linear bearing sliding platform

The utility model discloses a linear bearing sliding platform which comprises a bottom plate, a group of uniformly distributed supporting columns are fixed on the upper side of the bottom plate, and the linear bearing sliding platform is characterized in that moving rings are connected with the supporting columns in a sliding mode, each moving ring is fixedly connected with the side wall of a U-shaped plate, and the U-shaped plate is connected with the supporting columns in a sliding mode. The end parts of the two sides of the U-shaped plate are fixedly connected with the two ends of a guide rod respectively; each guide rod penetrates through a limiting ring, the two limiting rings are fixedly connected with square blocks respectively, the two ends of one square block are fixed to one end of a limiting rod respectively, the other end of the limiting rod is fixed to the other square block, and the two limiting rods penetrate through the two ends of a transverse rod of a T-shaped rod respectively. The upper end